diff options
| author | Thomas Bushnell <thomas@gnu.org> | 1999-04-26 05:58:44 +0000 |
|---|---|---|
| committer | Thomas Bushnell <thomas@gnu.org> | 1999-04-26 05:58:44 +0000 |
| commit | 86297c41a26f18d924e64fc93321c59cbc4c48dd (patch) | |
| tree | 376954c6b95b735d361875319a1a2a9db6a27527 /linux/src/drivers/scsi/advansys.c | |
| parent | 851137902d3e7ad87af177487df3eea53e940a1c (diff) | |
1998-11-30 OKUJI Yoshinori <okuji@kuicr.kyoto-u.ac.jp>
Clean up linux emulation code to make it architecture-independent
as much as possible.
* linux: Renamed from linuxdev.
* Makefile.in (objfiles): Add linux.o instead of linuxdev.o.
(MAKE): New variable. Used for the linux.o target.
* configure.in: Add AC_CHECK_TOOL(MAKE, make).
* i386/i386/spl.h: Include <i386/ipl.h>, for compatibility with
OSF Mach 3.0. Suggested by Elgin Lee <ehl@funghi.com>.
* linux/src: Renamed from linux/linux.
* linux/dev: Renamed from linux/mach.
* linux/Drivers.in (AC_INIT): Use dev/include/linux/autoconf.h,
instead of mach/include/linux/autoconf.h.
* Makefile.in (all): Target ../linux.o instead of ../linuxdev.o.
* linux/dev/drivers/block/genhd.c: Include <machine/spl.h> instead
of <i386/ipl.h>.
* linux/dev/drivers/net/auto_irq.c: Remove unneeded header files,
<i386/ipl.h> and <i386/pic.h>.
* linux/dev/init/main.c: Many i386-dependent codes moved to ...
* linux/dev/arch/i386/irq.c: ... here.
* linux/dev/arch/i386/setup.c: New file.
* linux/dev/arch/i386/linux_emul.h: Likewise.
* linux/dev/arch/i386/glue/timer.c: Merged into sched.c.
* linux/dev/arch/i386/glue/sched.c: Include <machine/spl.h> instead
of <i386/ipl.h>, and moved to ...
* linux/dev/kernel/sched.c: ... here.
* linux/dev/arch/i386/glue/block.c: Include <machine/spl.h> and
<linux_emul.h>, instead of i386-dependent header files, and
moved to ...
* linux/dev/glue/blocl.c: ... here.
* linux/dev/arch/i386/glue/net.c: Include <machine/spl.h> and
<linux_emul.h>, instead of i386-dependent header files, and
moved to ...
* linux/dev/glue/net.c: ... here.
* linux/dev/arch/i386/glue/misc.c: Remove `x86' and moved to ...
* linux/dev/glue/misc.c: ... here.
* linux/dev/arch/i386/glue/kmem.c: Moved to ...
* linux/dev/glue/kmem.c: ... here.
Diffstat (limited to 'linux/src/drivers/scsi/advansys.c')
| -rw-r--r-- | linux/src/drivers/scsi/advansys.c | 15547 |
1 files changed, 15547 insertions, 0 deletions
diff --git a/linux/src/drivers/scsi/advansys.c b/linux/src/drivers/scsi/advansys.c new file mode 100644 index 0000000..5b7b4e0 --- /dev/null +++ b/linux/src/drivers/scsi/advansys.c @@ -0,0 +1,15547 @@ +/* $Id: advansys.c,v 1.1 1999/04/26 05:54:04 tb Exp $ */ +#define ASC_VERSION "3.1E" /* AdvanSys Driver Version */ + +/* + * advansys.c - Linux Host Driver for AdvanSys SCSI Adapters + * + * Copyright (c) 1995-1998 Advanced System Products, Inc. + * All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that redistributions of source + * code retain the above copyright notice and this comment without + * modification. + * + * There is an AdvanSys Linux WWW page at: + * http://www.advansys.com/linux.html + * + * The latest version of the AdvanSys driver is available at: + * ftp://ftp.advansys.com/pub/linux/linux.tgz + * + * Please send questions, comments, bug reports to: + * bobf@advansys.com (Bob Frey) + */ + +/* + + Documentation for the AdvanSys Driver + + A. Linux Kernel Testing + B. Adapters Supported by this Driver + C. Linux v1.2.X - Directions for Adding the AdvanSys Driver + D. Linux v1.3.1 - v1.3.57 - Directions for Adding the AdvanSys Driver + E. Linux v1.3.58 and Newer - Upgrading the AdvanSys Driver + F. Source Comments + G. Driver Compile Time Options and Debugging + H. Driver LILO Option + I. Release History + J. Known Problems or Issues + K. Credits + L. AdvanSys Contact Information + + A. Linux Kernel Testing + + This driver has been tested in the following Linux kernels: v1.2.13, + v1.3.57, v2.0.33, v2.1.77. These kernel versions are major releases + of Linux or the latest Linux kernel versions available when this version + of the driver was released. The driver should also work in earlier + versions of the Linux kernel. Beginning with v1.3.58 the AdvanSys driver + is included with all Linux kernels. Please refer to sections C, D, and + E for instructions on adding or upgrading the AdvanSys driver. + + B. Adapters Supported by this Driver + + AdvanSys (Advanced System Products, Inc.) manufactures the following + RISC-based, Bus-Mastering, Fast (10 Mhz) and Ultra (20 Mhz) Narrow + (8-bit transfer) SCSI Host Adapters for the ISA, EISA, VL, and PCI + buses and RISC-based, Bus-Mastering, Ultra (20 Mhz) Wide (16-bit + transfer) SCSI Host Adapters for the PCI bus. + + The CDB counts below indicate the number of SCSI CDB (Command + Descriptor Block) requests that can be stored in the RISC chip + cache and board LRAM. A CDB is a single SCSI command. The driver + detect routine will display the number of CDBs available for each + adapter detected. The number of CDBs used by the driver can be + lowered in the BIOS by changing the 'Host Queue Size' adapter setting. + + Connectivity Products: + ABP510/5150 - Bus-Master ISA (240 CDB) (Footnote 1) + ABP5140 - Bus-Master ISA PnP (16 CDB) (Footnote 1, 3) + ABP5142 - Bus-Master ISA PnP with floppy (16 CDB) (Footnote 4) + ABP920 - Bus-Master PCI (16 CDB) + ABP930 - Bus-Master PCI (16 CDB) (Footnote 5) + ABP930U - Bus-Master PCI Ultra (16 CDB) + ABP930UA - Bus-Master PCI Ultra (16 CDB) + ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2) + ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2) + + Single Channel Products: + ABP542 - Bus-Master ISA with floppy (240 CDB) + ABP742 - Bus-Master EISA (240 CDB) + ABP842 - Bus-Master VL (240 CDB) + ABP940 - Bus-Master PCI (240 CDB) + ABP940U - Bus-Master PCI Ultra (240 CDB) + ABP970 - Bus-Master PCI MAC/PC (240 CDB) + ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB) + ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB) + + Multi Channel Products: + ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel) + ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel) + ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel) + ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel) + ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel) + + Footnotes: + 1. This board has been shipped by HP with the 4020i CD-R drive. + The board has no BIOS so it cannot control a boot device, but + it can control any secondary SCSI device. + 2. This board has been sold by Iomega as a Jaz Jet PCI adapter. + 3. This board has been sold by SIIG as the i540 SpeedMaster. + 4. This board has been sold by SIIG as the i542 SpeedMaster. + 5. This board has been sold by SIIG as the Fast SCSI Pro PCI. + + C. Linux v1.2.X - Directions for Adding the AdvanSys Driver + + These directions apply to v1.2.13. For versions that follow v1.2.13. + but precede v1.3.57 some of the changes for Linux v1.3.X listed + below may need to be modified or included. A patch is available + for v1.2.13 from the AdvanSys WWW and FTP sites. + + There are two source files: advansys.h and advansys.c. Copy + both of these files to the directory /usr/src/linux/drivers/scsi. + + 1. Add the following line to /usr/src/linux/arch/i386/config.in + after "comment 'SCSI low-level drivers'": + + bool 'AdvanSys SCSI support' CONFIG_SCSI_ADVANSYS y + + 2. Add the following lines to /usr/src/linux/drivers/scsi/hosts.c + after "#include "hosts.h"": + + #ifdef CONFIG_SCSI_ADVANSYS + #include "advansys.h" + #endif + + and after "static Scsi_Host_Template builtin_scsi_hosts[] =": + + #ifdef CONFIG_SCSI_ADVANSYS + ADVANSYS, + #endif + + 3. Add the following lines to /usr/src/linux/drivers/scsi/Makefile: + + ifdef CONFIG_SCSI_ADVANSYS + SCSI_SRCS := $(SCSI_SRCS) advansys.c + SCSI_OBJS := $(SCSI_OBJS) advansys.o + else + SCSI_MODULE_OBJS := $(SCSI_MODULE_OBJS) advansys.o + endif + + 4. (Optional) If you would like to enable the LILO command line + and /etc/lilo.conf 'advansys' option, make the following changes. + This option can be used to disable I/O port scanning or to limit + I/O port scanning to specific addresses. Refer to the 'Driver + LILO Option' section below. Add the following lines to + /usr/src/linux/init/main.c in the prototype section: + + extern void advansys_setup(char *str, int *ints); + + and add the following lines to the bootsetups[] array. + + #ifdef CONFIG_SCSI_ADVANSYS + { "advansys=", advansys_setup }, + #endif + + 5. If you have the HP 4020i CD-R driver and Linux v1.2.X you should + add a fix to the CD-ROM target driver. This fix will allow + you to mount CDs with the iso9660 file system. Linux v1.3.X + already has this fix. In the file /usr/src/linux/drivers/scsi/sr.c + and function get_sectorsize() after the line: + + if(scsi_CDs[i].sector_size == 0) scsi_CDs[i].sector_size = 2048; + + add the following line: + + if(scsi_CDs[i].sector_size == 2340) scsi_CDs[i].sector_size = 2048; + + 6. In the directory /usr/src/linux run 'make config' to configure + the AdvanSys driver, then run 'make vmlinux' or 'make zlilo' to + make the kernel. If the AdvanSys driver is not configured, then + a loadable module can be built by running 'make modules' and + 'make modules_install'. Use 'insmod' and 'rmmod' to install + and remove advansys.o. + + D. Linux v1.3.1 - v1.3.57 - Directions for Adding the AdvanSys Driver + + These directions apply to v1.3.57. For versions that precede v1.3.57 + some of these changes may need to be modified or eliminated. A patch + is available for v1.3.57 from the AdvanSys WWW and FTP sites. + Beginning with v1.3.58 this driver is included with the Linux + distribution eliminating the need for making any changes. + + There are two source files: advansys.h and advansys.c. Copy + both of these files to the directory /usr/src/linux/drivers/scsi. + + 1. Add the following line to /usr/src/linux/drivers/scsi/Config.in + after "comment 'SCSI low-level drivers'": + + dep_tristate 'AdvanSys SCSI support' CONFIG_SCSI_ADVANSYS $CONFIG_SCSI + + 2. Add the following lines to /usr/src/linux/drivers/scsi/hosts.c + after "#include "hosts.h"": + + #ifdef CONFIG_SCSI_ADVANSYS + #include "advansys.h" + #endif + + and after "static Scsi_Host_Template builtin_scsi_hosts[] =": + + #ifdef CONFIG_SCSI_ADVANSYS + ADVANSYS, + #endif + + 3. Add the following lines to /usr/src/linux/drivers/scsi/Makefile: + + ifeq ($(CONFIG_SCSI_ADVANSYS),y) + L_OBJS += advansys.o + else + ifeq ($(CONFIG_SCSI_ADVANSYS),m) + M_OBJS += advansys.o + endif + endif + + 4. Add the following line to /usr/src/linux/include/linux/proc_fs.h + in the enum scsi_directory_inos array: + + PROC_SCSI_ADVANSYS, + + 5. (Optional) If you would like to enable the LILO command line + and /etc/lilo.conf 'advansys' option, make the following changes. + This option can be used to disable I/O port scanning or to limit + I/O port scanning to specific addresses. Refer to the 'Driver + LILO Option' section below. Add the following lines to + /usr/src/linux/init/main.c in the prototype section: + + extern void advansys_setup(char *str, int *ints); + + and add the following lines to the bootsetups[] array. + + #ifdef CONFIG_SCSI_ADVANSYS + { "advansys=", advansys_setup }, + #endif + + 6. In the directory /usr/src/linux run 'make config' to configure + the AdvanSys driver, then run 'make vmlinux' or 'make zlilo' to + make the kernel. If the AdvanSys driver is not configured, then + a loadable module can be built by running 'make modules' and + 'make modules_install'. Use 'insmod' and 'rmmod' to install + and remove advansys.o. + + E. Linux v1.3.58 and Newer - Upgrading the AdvanSys Driver + + To upgrade the AdvanSys driver in a Linux v1.3.58 and newer + kernel, first check the version of the current driver. The + version is defined by the manifest constant ASC_VERSION at + the beginning of advansys.c. The new driver should have a + ASC_VERSION value greater than the current version. To install + the new driver rename advansys.c and advansys.h in the Linux + kernel source tree drivers/scsi directory to different names + or save them to a different directory in case you want to revert + to the old version of the driver. After the old driver is saved + copy the new advansys.c and advansys.h to drivers/scsi, rebuild + the kernel, and install the new kernel. No other changes are needed. + + F. Source Comments + + 1. Use tab stops set to 4 for the source files. For vi use 'se tabstops=4'. + + 2. This driver should be maintained in multiple files. But to make + it easier to include with Linux and to follow Linux conventions, + the whole driver is maintained in the source files advansys.h and + advansys.c. In this file logical sections of the driver begin with + a comment that contains '---'. The following are the logical sections + of the driver below. + + --- Linux Version + --- Linux Include Files + --- Driver Options + --- Debugging Header + --- Asc Library Constants and Macros + --- Adv Library Constants and Macros + --- Driver Constants and Macros + --- Driver Structures + --- Driver Data + --- Driver Function Prototypes + --- Linux 'Scsi_Host_Template' and advansys_setup() Functions + --- Loadable Driver Support + --- Miscellaneous Driver Functions + --- Functions Required by the Asc Library + --- Functions Required by the Adv Library + --- Tracing and Debugging Functions + --- Asc Library Functions + --- Adv Library Functions + + 3. The string 'XXX' is used to flag code that needs to be re-written + or that contains a problem that needs to be addressed. + + 4. I have stripped comments from and reformatted the source for the + Asc Library and Adv Library to reduce the size of this file. This + source can be found under the following headings. The Asc Library + is used to support Narrow Boards. The Adv Library is used to + support Wide Boards. + + --- Asc Library Constants and Macros + --- Adv Library Constants and Macros + --- Asc Library Functions + --- Adv Library Functions + + G. Driver Compile Time Options and Debugging + + In this source file the following constants can be defined. They are + defined in the source below. Both of these options are enabled by + default. + + 1. ADVANSYS_ASSERT - Enable driver assertions (Def: Enabled) + + Enabling this option adds assertion logic statements to the + driver. If an assertion fails a message will be displayed to + the console, but the system will continue to operate. Any + assertions encountered should be reported to the person + responsible for the driver. Assertion statements may proactively + detect problems with the driver and facilitate fixing these + problems. Enabling assertions will add a small overhead to the + execution of the driver. + + 2. ADVANSYS_DEBUG - Enable driver debugging (Def: Disabled) + + Enabling this option adds tracing functions to the driver and + the ability to set a driver tracing level at boot time. This + option will also export symbols not required outside the driver to + the kernel name space. This option is very useful for debugging + the driver, but it will add to the size of the driver execution + image and add overhead to the execution of the driver. + + The amount of debugging output can be controlled with the global + variable 'asc_dbglvl'. The higher the number the more output. By + default the debug level is 0. + + If the driver is loaded at boot time and the LILO Driver Option + is included in the system, the debug level can be changed by + specifying a 5th (ASC_NUM_IOPORT_PROBE + 1) I/O Port. The + first three hex digits of the pseudo I/O Port must be set to + 'deb' and the fourth hex digit specifies the debug level: 0 - F. + The following command line will look for an adapter at 0x330 + and set the debug level to 2. + + linux advansys=0x330,0,0,0,0xdeb2 + + If the driver is built as a loadable module this variable can be + defined when the driver is loaded. The following insmod command + will set the debug level to one. + + insmod advansys.o asc_dbglvl=1 + + Debugging Message Levels: + 0: Errors Only + 1: High-Level Tracing + 2-N: Verbose Tracing + + I don't know the approved way for turning on printk()s to the + console. Here's a program I use to do this. Debug output is + logged in /var/adm/messages. + + main() + { + syscall(103, 7, 0, 0); + } + + I found that increasing LOG_BUF_LEN to 40960 in kernel/printk.c + prevents most level 1 debug messages from being lost. + + 3. ADVANSYS_STATS - Enable statistics (Def: Enabled >= v1.3.0) + + Enabling this option adds statistics collection and display + through /proc to the driver. The information is useful for + monitoring driver and device performance. It will add to the + size of the driver execution image and add minor overhead to + the execution of the driver. + + Statistics are maintained on a per adapter basis. Driver entry + point call counts and transfer size counts are maintained. + Statistics are only available for kernels greater than or equal + to v1.3.0 with the CONFIG_PROC_FS (/proc) file system configured. + + AdvanSys SCSI adapter files have the following path name format: + + /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)] + + This information can be displayed with cat. For example: + + cat /proc/scsi/advansys/0 + + When ADVANSYS_STATS is not defined the AdvanSys /proc files only + contain adapter and device configuration information. + + H. Driver LILO Option + + If init/main.c is modified as described in the 'Directions for Adding + the AdvanSys Driver to Linux' section (B.4.) above, the driver will + recognize the 'advansys' LILO command line and /etc/lilo.conf option. + This option can be used to either disable I/O port scanning or to limit + scanning to 1 - 4 I/O ports. Regardless of the option setting EISA and + PCI boards will still be searched for and detected. This option only + affects searching for ISA and VL boards. + + Examples: + 1. Eliminate I/O port scanning: + boot: linux advansys= + or + boot: linux advansys=0x0 + 2. Limit I/O port scanning to one I/O port: + boot: linux advansys=0x110 + 3. Limit I/O port scanning to four I/O ports: + boot: linux advansys=0x110,0x210,0x230,0x330 + + For a loadable module the same effect can be achieved by setting + the 'asc_iopflag' variable and 'asc_ioport' array when loading + the driver, e.g. + + insmod advansys.o asc_iopflag=1 asc_ioport=0x110,0x330 + + If ADVANSYS_DEBUG is defined a 5th (ASC_NUM_IOPORT_PROBE + 1) + I/O Port may be added to specify the driver debug level. Refer to + the 'Driver Compile Time Options and Debugging' section above for + more information. + + I. Release History + + BETA-1.0 (12/23/95): + First Release + + BETA-1.1 (12/28/95): + 1. Prevent advansys_detect() from being called twice. + 2. Add LILO 0xdeb[0-f] option to set 'asc_dbglvl'. + + 1.2 (1/12/96): + 1. Prevent re-entrancy in the interrupt handler which + resulted in the driver hanging Linux. + 2. Fix problem that prevented ABP-940 cards from being + recognized on some PCI motherboards. + 3. Add support for the ABP-5140 PnP ISA card. + 4. Fix check condition return status. + 5. Add conditionally compiled code for Linux v1.3.X. + + 1.3 (2/23/96): + 1. Fix problem in advansys_biosparam() that resulted in the + wrong drive geometry being returned for drives > 1GB with + extended translation enabled. + 2. Add additional tracing during device initialization. + 3. Change code that only applies to ISA PnP adapter. + 4. Eliminate 'make dep' warning. + 5. Try to fix problem with handling resets by increasing their + timeout value. + + 1.4 (5/8/96): + 1. Change definitions to eliminate conflicts with other subsystems. + 2. Add versioning code for the shared interrupt changes. + 3. Eliminate problem in asc_rmqueue() with iterating after removing + a request. + 4. Remove reset request loop problem from the "Known Problems or + Issues" section. This problem was isolated and fixed in the + mid-level SCSI driver. + + 1.5 (8/8/96): + 1. Add support for ABP-940U (PCI Ultra) adapter. + 2. Add support for IRQ sharing by setting the SA_SHIRQ flag for + request_irq and supplying a dev_id pointer to both request_irq() + and free_irq(). + 3. In AscSearchIOPortAddr11() restore a call to check_region() which + should be used before I/O port probing. + 4. Fix bug in asc_prt_hex() which resulted in the displaying + the wrong data. + 5. Incorporate miscellaneous Asc Library bug fixes and new microcode. + 6. Change driver versioning to be specific to each Linux sub-level. + 7. Change statistics gathering to be per adapter instead of global + to the driver. + 8. Add more information and statistics to the adapter /proc file: + /proc/scsi/advansys[0...]. + 9. Remove 'cmd_per_lun' from the "Known Problems or Issues" list. + This problem has been addressed with the SCSI mid-level changes + made in v1.3.89. The advansys_select_queue_depths() function + was added for the v1.3.89 changes. + + 1.6 (9/10/96): + 1. Incorporate miscellaneous Asc Library bug fixes and new microcode. + + 1.7 (9/25/96): + 1. Enable clustering and optimize the setting of the maximum number + of scatter gather elements for any particular board. Clustering + increases CPU utilization, but results in a relatively larger + increase in I/O throughput. + 2. Improve the performance of the request queuing functions by + adding a last pointer to the queue structure. + 3. Correct problems with reset and abort request handling that + could have hung or crashed Linux. + 4. Add more information to the adapter /proc file: + /proc/scsi/advansys[0...]. + 5. Remove the request timeout issue form the driver issues list. + 6. Miscellaneous documentation additions and changes. + + 1.8 (10/4/96): + 1. Make changes to handle the new v2.1.0 kernel memory mapping + in which a kernel virtual address may not be equivalent to its + bus or DMA memory address. + 2. Change abort and reset request handling to make it yet even + more robust. + 3. Try to mitigate request starvation by sending ordered requests + to heavily loaded, tag queuing enabled devices. + 4. Maintain statistics on request response time. + 5. Add request response time statistics and other information to + the adapter /proc file: /proc/scsi/advansys[0...]. + + 1.9 (10/21/96): + 1. Add conditionally compiled code (ASC_QUEUE_FLOW_CONTROL) to + make use of mid-level SCSI driver device queue depth flow + control mechanism. This will eliminate aborts caused by a + device being unable to keep up with requests and eliminate + repeat busy or QUEUE FULL status returned by a device. + 2. Incorporate miscellaneous Asc Library bug fixes. + 3. To allow the driver to work in kernels with broken module + support set 'cmd_per_lun' if the driver is compiled as a + module. This change affects kernels v1.3.89 to present. + 4. Remove PCI BIOS address from the driver banner. The PCI BIOS + is relocated by the motherboard BIOS and its new address can + not be determined by the driver. + 5. Add mid-level SCSI queue depth information to the adapter + /proc file: /proc/scsi/advansys[0...]. + + 2.0 (11/14/96): + 1. Change allocation of global structures used for device + initialization to guarantee they are in DMA-able memory. + Previously when the driver was loaded as a module these + structures might not have been in DMA-able memory, causing + device initialization to fail. + + 2.1 (12/30/96): + 1. In advansys_reset(), if the request is a synchronous reset + request, even if the request serial number has changed, then + complete the request. + 2. Add Asc Library bug fixes including new microcode. + 3. Clear inquiry buffer before using it. + 4. Correct ifdef typo. + + 2.2 (1/15/97): + 1. Add Asc Library bug fixes including new microcode. + 2. Add synchronous data transfer rate information to the + adapter /proc file: /proc/scsi/advansys[0...]. + 3. Change ADVANSYS_DEBUG to be disabled by default. This + will reduce the size of the driver image, eliminate execution + overhead, and remove unneeded symbols from the kernel symbol + space that were previously added by the driver. + 4. Add new compile-time option ADVANSYS_ASSERT for assertion + code that used to be defined within ADVANSYS_DEBUG. This + option is enabled by default. + + 2.8 (5/26/97): + 1. Change version number to 2.8 to synchronize the Linux driver + version numbering with other AdvanSys drivers. + 2. Reformat source files without tabs to present the same view + of the file to everyone regardless of the editor tab setting + being used. + 3. Add Asc Library bug fixes. + + 3.1A (1/8/98): + 1. Change version number to 3.1 to indicate that support for + Ultra-Wide adapters (ABP-940UW) is included in this release. + 2. Add Asc Library (Narrow Board) bug fixes. + 3. Report an underrun condition with the host status byte set + to DID_UNDERRUN. Currently DID_UNDERRUN is defined to 0 which + causes the underrun condition to be ignored. When Linux defines + its own DID_UNDERRUN the constant defined in this file can be + removed. + 4. Add patch to AscWaitTixISRDone(). + 5. Add support for up to 16 different AdvanSys host adapter SCSI + channels in one system. This allows four cards with four channels + to be used in one system. + + 3.1B (1/9/98): + 1. Handle that PCI register base addresses are not always page + aligned even though ioremap() requires that the address argument + be page aligned. + + 3.1C (1/10/98): + 1. Update latest BIOS version checked for from the /proc file. + 2. Don't set microcode SDTR variable at initialization. Instead + wait until device capabilities have been detected from an Inquiry + command. + + 3.1D (1/21/98): + 1. Improve performance when the driver is compiled as module by + allowing up to 64 scatter-gather elements instead of 8. + + 3.1E (5/1/98): + 1. Set time delay in AscWaitTixISRDone() to 1000 ms. + 2. Include SMP locking changes. + 3. For v2.1.93 and newer kernels use CONFIG_PCI and new PCI BIOS + access functions. + 4. Update board serial number printing. + 5. Try allocating an IRQ both with and without the SA_INTERRUPT + flag set to allow IRQ sharing with drivers that do not set + the SA_INTERRUPT flag. Also display a more descriptive error + message if request_irq() fails. + 5. Update to latest Asc and Adv Libraries. + + J. Known Problems or Issues + + 1. Remove conditional constants (ASC_QUEUE_FLOW_CONTROL) around + the queue depth flow control code when mid-level SCSI changes + are included in Linux. + + K. Credits + + Nathan Hartwell <mage@cdc3.cdc.net> provided the directions and + basis for the Linux v1.3.X changes which were included in the + 1.2 release. + + Thomas E Zerucha <zerucha@shell.portal.com> pointed out a bug + in advansys_biosparam() which was fixed in the 1.3 release. + + Erik Ratcliffe <erik@caldera.com> has done testing of the + AdvanSys driver in the Caldera releases. + + Rik van Riel <H.H.vanRiel@fys.ruu.nl> provided a patch to + AscWaitTixISRDone() which he found necessary to make the + driver work with a SCSI-1 disk. + + Mark Moran <mmoran@mmoran.com> has helped test Ultra-Wide + support in the 3.1A driver. + + L. AdvanSys Contact Information + + Mail: Advanced System Products, Inc. + 1150 Ringwood Court + San Jose, CA 95131 + Operator: 1-408-383-9400 + FAX: 1-408-383-9612 + Tech Support: 1-800-525-7440/1-408-467-2930 + BBS: 1-408-383-9540 (14400,N,8,1) + Interactive FAX: 1-408-383-9753 + Customer Direct Sales: 1-800-525-7443/1-408-383-5777 + Tech Support E-Mail: support@advansys.com + FTP Site: ftp.advansys.com (login: anonymous) + Web Site: http://www.advansys.com + +*/ + + +/* + * --- Linux Version + */ + +/* Convert Linux Version, Patch-level, Sub-level to LINUX_VERSION_CODE. */ +#define ASC_LINUX_VERSION(V, P, S) (((V) * 65536) + ((P) * 256) + (S)) + +#ifndef LINUX_VERSION_CODE +#include <linux/version.h> +#endif /* LINUX_VERSION_CODE */ + + +/* + * --- Linux Include Files + */ + +#include <linux/config.h> +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +#ifdef MODULE +#include <linux/module.h> +#endif /* MODULE */ +#endif /* version >= v1.3.0 */ +#include <linux/string.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/head.h> +#include <linux/types.h> +#include <linux/ioport.h> +#include <linux/delay.h> +#include <linux/malloc.h> +#include <linux/mm.h> +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +#include <linux/proc_fs.h> +#endif /* version >= v1.3.0 */ +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,1,23) +#include <linux/init.h> +#endif /* version >= v2.1.23 */ +#include <asm/io.h> +#include <asm/system.h> +#include <asm/dma.h> +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) +#include "../block/blk.h" +#else /* version >= v1.3.0 */ +#include <linux/blk.h> +#include <linux/stat.h> +#endif /* version >= v1.3.0 */ +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,1,95) +#include <asm/spinlock.h> +#endif /* version >= 2.1.95 */ +#include "scsi.h" +#include "hosts.h" +#include "sd.h" +#include "advansys.h" +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,1,93) +#ifdef CONFIG_PCI +#include <linux/pci.h> +#endif /* CONFIG_PCI */ +#else /* version < v2.1.93 */ +/* + * For earlier than v2.1.93 the driver has its own PCI configuration. + * If PCI is not needed in a kernel before v2.1.93 this define can be + * turned-off to make the driver object smaller. + */ +#define ASC_CONFIG_PCI +#endif /* version < v2.1.93 */ + +/* + * If Linux eventually defines a DID_UNDERRUN, the constant here can be + * removed. The current value of zero for DID_UNDERRUN results in underrun + * conditions being ignored. + */ +#define DID_UNDERRUN 0 + + +/* + * --- Driver Options + */ + +/* Enable driver assertions. */ +#define ADVANSYS_ASSERT + +/* Enable driver tracing. */ +/* #define ADVANSYS_DEBUG */ + +/* + * Because of no /proc to display them, statistics are disabled + * for versions prior to v1.3.0. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) +#undef ADVANSYS_STATS /* Disable statistics */ +#else /* version >= v1.3.0 */ +#define ADVANSYS_STATS /* Enable statistics. */ +#endif /* version >= v1.3.0 */ + + +/* + * --- Debugging Header + */ + +#ifdef ADVANSYS_DEBUG +#define STATIC +#else /* ADVANSYS_DEBUG */ +#define STATIC static +#endif /* ADVANSYS_DEBUG */ + + +/* + * --- Asc Library Constants and Macros + */ + +#define ASC_LIB_VERSION_MAJOR 1 +#define ASC_LIB_VERSION_MINOR 22 +#define ASC_LIB_SERIAL_NUMBER 113 + +typedef unsigned char uchar; + +#ifndef NULL +#define NULL (0) +#endif +#ifndef TRUE +#define TRUE (1) +#endif +#ifndef FALSE +#define FALSE (0) +#endif +#define REG register +#define rchar REG __s8 +#define rshort REG __s16 +#define rint REG __s32 +#define rlong REG __s32 +#define ruchar REG __u8 +#define rushort REG __u16 +#define ruint REG __u32 +#define rulong REG __u32 +#define NULLPTR (void *)0 +#define FNULLPTR (void *)0UL +#define EOF (-1) +#define EOS '\0' +#define ERR (-1) +#define UB_ERR (uchar)(0xFF) +#define UW_ERR (uint)(0xFFFF) +#define UL_ERR (ulong)(0xFFFFFFFFUL) +#define iseven_word(val) ((((uint)val) & (uint)0x0001) == 0) +#define isodd_word(val) ((((uint)val) & (uint)0x0001) != 0) +#define toeven_word(val) (((uint)val) & (uint)0xFFFE) +#define biton(val, bits) (((uint)(val >> bits) & (uint)0x0001) != 0) +#define bitoff(val, bits) (((uint)(val >> bits) & (uint)0x0001) == 0) +#define lbiton(val, bits) (((ulong)(val >> bits) & (ulong)0x00000001UL) != 0) +#define lbitoff(val, bits) (((ulong)(val >> bits) & (ulong)0x00000001UL) == 0) +#define absh(val) ((val) < 0 ? -(val) : (val)) +#define swapbyte(ch) ((((ch) << 4) | ((ch) >> 4))) +#ifndef GBYTE +#define GBYTE (0x40000000UL) +#endif +#ifndef MBYTE +#define MBYTE (0x100000UL) +#endif +#ifndef KBYTE +#define KBYTE (0x400) +#endif +#define HI_BYTE(x) (*((__u8 *)(&x)+1)) +#define LO_BYTE(x) (*((__u8 *)&x)) +#define HI_WORD(x) (*((__u16 *)(&x)+1)) +#define LO_WORD(x) (*((__u16 *)&x)) +#ifndef MAKEWORD +#define MAKEWORD(lo, hi) ((__u16) (((__u16) lo) | ((__u16) hi << 8))) +#endif +#ifndef MAKELONG +#define MAKELONG(lo, hi) ((__u32) (((__u32) lo) | ((__u32) hi << 16))) +#endif +#define SwapWords(dWord) ((__u32) ((dWord >> 16) | (dWord << 16))) +#define SwapBytes(word) ((__u16) ((word >> 8) | (word << 8))) +#define BigToLittle(dWord) ((__u32) (SwapWords(MAKELONG(SwapBytes(LO_WORD(dWord)), SwapBytes(HI_WORD(dWord)))))) +#define LittleToBig(dWord) BigToLittle(dWord) +#define AscPCIConfigVendorIDRegister 0x0000 +#define AscPCIConfigDeviceIDRegister 0x0002 +#define AscPCIConfigCommandRegister 0x0004 +#define AscPCIConfigStatusRegister 0x0006 +#define AscPCIConfigRevisionIDRegister 0x0008 +#define AscPCIConfigCacheSize 0x000C +#define AscPCIConfigLatencyTimer 0x000D +#define AscPCIIOBaseRegister 0x0010 +#define AscPCICmdRegBits_IOMemBusMaster 0x0007 +#define ASC_PCI_ID2BUS(id) ((id) & 0xFF) +#define ASC_PCI_ID2DEV(id) (((id) >> 11) & 0x1F) +#define ASC_PCI_ID2FUNC(id) (((id) >> 8) & 0x7) +#define ASC_PCI_MKID(bus, dev, func) ((((dev) & 0x1F) << 11) | (((func) & 0x7) << 8) | ((bus) & 0xFF)) +#define ASC_PCI_VENDORID 0x10CD +#define ASC_PCI_DEVICEID_1200A 0x1100 +#define ASC_PCI_DEVICEID_1200B 0x1200 +#define ASC_PCI_DEVICEID_ULTRA 0x1300 +#define ASC_PCI_REVISION_3150 0x02 +#define ASC_PCI_REVISION_3050 0x03 + +#define ASC_DVCLIB_CALL_DONE (1) +#define ASC_DVCLIB_CALL_FAILED (0) +#define ASC_DVCLIB_CALL_ERROR (-1) + +#define PortAddr unsigned short /* port address size */ +#define Ptr2Func ulong +#define inp(port) inb(port) +#define inpw(port) inw(port) +#define inpl(port) inl(port) +#define outp(port, byte) outb((byte), (port)) +#define outpw(port, word) outw((word), (port)) +#define outpl(port, long) outl((long), (port)) +#define ASC_MAX_SG_QUEUE 7 +#define ASC_MAX_SG_LIST SG_ALL + +#define ASC_CS_TYPE unsigned short +#ifndef asc_ptr_type +#define asc_ptr_type +#endif + +#ifndef ASC_GET_PTR2FUNC +#define ASC_GET_PTR2FUNC(fun) (Ptr2Func)(fun) +#endif +#define FLIP_BYTE_NIBBLE(x) (((x<<4)& 0xFF) | (x>>4)) +#define ASC_IS_ISA (0x0001) +#define ASC_IS_ISAPNP (0x0081) +#define ASC_IS_EISA (0x0002) +#define ASC_IS_PCI (0x0004) +#define ASC_IS_PCI_ULTRA (0x0104) +#define ASC_IS_PCMCIA (0x0008) +#define ASC_IS_MCA (0x0020) +#define ASC_IS_VL (0x0040) +#define ASC_ISA_PNP_PORT_ADDR (0x279) +#define ASC_ISA_PNP_PORT_WRITE (ASC_ISA_PNP_PORT_ADDR+0x800) +#define ASC_IS_WIDESCSI_16 (0x0100) +#define ASC_IS_WIDESCSI_32 (0x0200) +#define ASC_IS_BIG_ENDIAN (0x8000) +#define ASC_CHIP_MIN_VER_VL (0x01) +#define ASC_CHIP_MAX_VER_VL (0x07) +#define ASC_CHIP_MIN_VER_PCI (0x09) +#define ASC_CHIP_MAX_VER_PCI (0x0F) +#define ASC_CHIP_VER_PCI_BIT (0x08) +#define ASC_CHIP_MIN_VER_ISA (0x11) +#define ASC_CHIP_MIN_VER_ISA_PNP (0x21) +#define ASC_CHIP_MAX_VER_ISA (0x27) +#define ASC_CHIP_VER_ISA_BIT (0x30) +#define ASC_CHIP_VER_ISAPNP_BIT (0x20) +#define ASC_CHIP_VER_ASYN_BUG (0x21) +#define ASC_CHIP_VER_PCI 0x08 +#define ASC_CHIP_VER_PCI_ULTRA_3150 (ASC_CHIP_VER_PCI | 0x02) +#define ASC_CHIP_VER_PCI_ULTRA_3050 (ASC_CHIP_VER_PCI | 0x03) +#define ASC_CHIP_MIN_VER_EISA (0x41) +#define ASC_CHIP_MAX_VER_EISA (0x47) +#define ASC_CHIP_VER_EISA_BIT (0x40) +#define ASC_CHIP_LATEST_VER_EISA ((ASC_CHIP_MIN_VER_EISA - 1) + 3) +#define ASC_MAX_LIB_SUPPORTED_ISA_CHIP_VER 0x21 +#define ASC_MAX_LIB_SUPPORTED_PCI_CHIP_VER 0x0A +#define ASC_MAX_VL_DMA_ADDR (0x07FFFFFFL) +#define ASC_MAX_VL_DMA_COUNT (0x07FFFFFFL) +#define ASC_MAX_PCI_DMA_ADDR (0xFFFFFFFFL) +#define ASC_MAX_PCI_DMA_COUNT (0xFFFFFFFFL) +#define ASC_MAX_ISA_DMA_ADDR (0x00FFFFFFL) +#define ASC_MAX_ISA_DMA_COUNT (0x00FFFFFFL) +#define ASC_MAX_EISA_DMA_ADDR (0x07FFFFFFL) +#define ASC_MAX_EISA_DMA_COUNT (0x07FFFFFFL) +#ifndef inpw_noswap +#define inpw_noswap(port) inpw(port) +#endif +#ifndef outpw_noswap +#define outpw_noswap(port, data) outpw(port, data) +#endif +#define ASC_SCSI_ID_BITS 3 +#define ASC_SCSI_TIX_TYPE uchar +#define ASC_ALL_DEVICE_BIT_SET 0xFF +#ifdef ASC_WIDESCSI_16 +#undef ASC_SCSI_ID_BITS +#define ASC_SCSI_ID_BITS 4 +#define ASC_ALL_DEVICE_BIT_SET 0xFFFF +#endif +#ifdef ASC_WIDESCSI_32 +#undef ASC_SCSI_ID_BITS +#define ASC_SCSI_ID_BITS 5 +#define ASC_ALL_DEVICE_BIT_SET 0xFFFFFFFFL +#endif +#if ASC_SCSI_ID_BITS == 3 +#define ASC_SCSI_BIT_ID_TYPE uchar +#define ASC_MAX_TID 7 +#define ASC_MAX_LUN 7 +#define ASC_SCSI_WIDTH_BIT_SET 0xFF +#elif ASC_SCSI_ID_BITS == 4 +#define ASC_SCSI_BIT_ID_TYPE ushort +#define ASC_MAX_TID 15 +#define ASC_MAX_LUN 7 +#define ASC_SCSI_WIDTH_BIT_SET 0xFFFF +#elif ASC_SCSI_ID_BITS == 5 +#define ASC_SCSI_BIT_ID_TYPE ulong +#define ASC_MAX_TID 31 +#define ASC_MAX_LUN 7 +#define ASC_SCSI_WIDTH_BIT_SET 0xFFFFFFFF +#else +#error ASC_SCSI_ID_BITS definition is wrong +#endif +#define ASC_MAX_SENSE_LEN 32 +#define ASC_MIN_SENSE_LEN 14 +#define ASC_MAX_CDB_LEN 12 +#define ASC_SCSI_RESET_HOLD_TIME_US 60 +#define SCSICMD_TestUnitReady 0x00 +#define SCSICMD_Rewind 0x01 +#define SCSICMD_Rezero 0x01 +#define SCSICMD_RequestSense 0x03 +#define SCSICMD_Format 0x04 +#define SCSICMD_FormatUnit 0x04 +#define SCSICMD_Read6 0x08 +#define SCSICMD_Write6 0x0A +#define SCSICMD_Seek6 0x0B +#define SCSICMD_Inquiry 0x12 +#define SCSICMD_Verify6 0x13 +#define SCSICMD_ModeSelect6 0x15 +#define SCSICMD_ModeSense6 0x1A +#define SCSICMD_StartStopUnit 0x1B +#define SCSICMD_LoadUnloadTape 0x1B +#define SCSICMD_ReadCapacity 0x25 +#define SCSICMD_Read10 0x28 +#define SCSICMD_Write10 0x2A +#define SCSICMD_Seek10 0x2B +#define SCSICMD_Erase10 0x2C +#define SCSICMD_WriteAndVerify10 0x2E +#define SCSICMD_Verify10 0x2F +#define SCSICMD_WriteBuffer 0x3B +#define SCSICMD_ReadBuffer 0x3C +#define SCSICMD_ReadLong 0x3E +#define SCSICMD_WriteLong 0x3F +#define SCSICMD_ReadTOC 0x43 +#define SCSICMD_ReadHeader 0x44 +#define SCSICMD_ModeSelect10 0x55 +#define SCSICMD_ModeSense10 0x5A +#define SCSI_TYPE_DASD 0x00 +#define SCSI_TYPE_SASD 0x01 +#define SCSI_TYPE_PRN 0x02 +#define SCSI_TYPE_PROC 0x03 +#define SCSI_TYPE_WORM 0x04 +#define SCSI_TYPE_CDROM 0x05 +#define SCSI_TYPE_SCANNER 0x06 +#define SCSI_TYPE_OPTMEM 0x07 +#define SCSI_TYPE_MED_CHG 0x08 +#define SCSI_TYPE_COMM 0x09 +#define SCSI_TYPE_UNKNOWN 0x1F +#define SCSI_TYPE_NO_DVC 0xFF +#define ASC_SCSIDIR_NOCHK 0x00 +#define ASC_SCSIDIR_T2H 0x08 +#define ASC_SCSIDIR_H2T 0x10 +#define ASC_SCSIDIR_NODATA 0x18 +#define SCSI_SENKEY_NO_SENSE 0x00 +#define SCSI_SENKEY_UNDEFINED 0x01 +#define SCSI_SENKEY_NOT_READY 0x02 +#define SCSI_SENKEY_MEDIUM_ERR 0x03 +#define SCSI_SENKEY_HW_ERR 0x04 +#define SCSI_SENKEY_ILLEGAL 0x05 +#define SCSI_SENKEY_ATTENTION 0x06 +#define SCSI_SENKEY_PROTECTED 0x07 +#define SCSI_SENKEY_BLANK 0x08 +#define SCSI_SENKEY_V_UNIQUE 0x09 +#define SCSI_SENKEY_CPY_ABORT 0x0A +#define SCSI_SENKEY_ABORT 0x0B +#define SCSI_SENKEY_EQUAL 0x0C +#define SCSI_SENKEY_VOL_OVERFLOW 0x0D +#define SCSI_SENKEY_MISCOMP 0x0E +#define SCSI_SENKEY_RESERVED 0x0F +#define SCSI_ASC_NOMEDIA 0x3A +#define ASC_SRB_HOST(x) ((uchar)((uchar)(x) >> 4)) +#define ASC_SRB_TID(x) ((uchar)((uchar)(x) & (uchar)0x0F)) +#define ASC_SRB_LUN(x) ((uchar)((uint)(x) >> 13)) +#define PUT_CDB1(x) ((uchar)((uint)(x) >> 8)) +#define SS_GOOD 0x00 +#define SS_CHK_CONDITION 0x02 +#define SS_CONDITION_MET 0x04 +#define SS_TARGET_BUSY 0x08 +#define SS_INTERMID 0x10 +#define SS_INTERMID_COND_MET 0x14 +#define SS_RSERV_CONFLICT 0x18 +#define SS_CMD_TERMINATED 0x22 +#define SS_QUEUE_FULL 0x28 +#define MS_CMD_DONE 0x00 +#define MS_EXTEND 0x01 +#define MS_SDTR_LEN 0x03 +#define MS_SDTR_CODE 0x01 +#define MS_WDTR_LEN 0x02 +#define MS_WDTR_CODE 0x03 +#define MS_MDP_LEN 0x05 +#define MS_MDP_CODE 0x00 +#define M1_SAVE_DATA_PTR 0x02 +#define M1_RESTORE_PTRS 0x03 +#define M1_DISCONNECT 0x04 +#define M1_INIT_DETECTED_ERR 0x05 +#define M1_ABORT 0x06 +#define M1_MSG_REJECT 0x07 +#define M1_NO_OP 0x08 +#define M1_MSG_PARITY_ERR 0x09 +#define M1_LINK_CMD_DONE 0x0A +#define M1_LINK_CMD_DONE_WFLAG 0x0B +#define M1_BUS_DVC_RESET 0x0C +#define M1_ABORT_TAG 0x0D +#define M1_CLR_QUEUE 0x0E +#define M1_INIT_RECOVERY 0x0F +#define M1_RELEASE_RECOVERY 0x10 +#define M1_KILL_IO_PROC 0x11 +#define M2_QTAG_MSG_SIMPLE 0x20 +#define M2_QTAG_MSG_HEAD 0x21 +#define M2_QTAG_MSG_ORDERED 0x22 +#define M2_IGNORE_WIDE_RESIDUE 0x23 + +typedef struct { + uchar peri_dvc_type:5; + uchar peri_qualifier:3; +} ASC_SCSI_INQ0; + +typedef struct { + uchar dvc_type_modifier:7; + uchar rmb:1; +} ASC_SCSI_INQ1; + +typedef struct { + uchar ansi_apr_ver:3; + uchar ecma_ver:3; + uchar iso_ver:2; +} ASC_SCSI_INQ2; + +typedef struct { + uchar rsp_data_fmt:4; + uchar res:2; + uchar TemIOP:1; + uchar aenc:1; +} ASC_SCSI_INQ3; + +typedef struct { + uchar StfRe:1; + uchar CmdQue:1; + uchar Reserved:1; + uchar Linked:1; + uchar Sync:1; + uchar WBus16:1; + uchar WBus32:1; + uchar RelAdr:1; +} ASC_SCSI_INQ7; + +typedef struct { + ASC_SCSI_INQ0 byte0; + ASC_SCSI_INQ1 byte1; + ASC_SCSI_INQ2 byte2; + ASC_SCSI_INQ3 byte3; + uchar add_len; + uchar res1; + uchar res2; + ASC_SCSI_INQ7 byte7; + uchar vendor_id[8]; + uchar product_id[16]; + uchar product_rev_level[4]; +} ASC_SCSI_INQUIRY; + +typedef struct asc_req_sense { + uchar err_code:7; + uchar info_valid:1; + uchar segment_no; + uchar sense_key:4; + uchar reserved_bit:1; + uchar sense_ILI:1; + uchar sense_EOM:1; + uchar file_mark:1; + uchar info1[4]; + uchar add_sense_len; + uchar cmd_sp_info[4]; + uchar asc; + uchar ascq; + uchar fruc; + uchar sks_byte0:7; + uchar sks_valid:1; + uchar sks_bytes[2]; + uchar notused[2]; + uchar ex_sense_code; + uchar info2[4]; +} ASC_REQ_SENSE; + +#define ASC_SG_LIST_PER_Q 7 +#define QS_FREE 0x00 +#define QS_READY 0x01 +#define QS_DISC1 0x02 +#define QS_DISC2 0x04 +#define QS_BUSY 0x08 +#define QS_ABORTED 0x40 +#define QS_DONE 0x80 +#define QC_NO_CALLBACK 0x01 +#define QC_SG_SWAP_QUEUE 0x02 +#define QC_SG_HEAD 0x04 +#define QC_DATA_IN 0x08 +#define QC_DATA_OUT 0x10 +#define QC_URGENT 0x20 +#define QC_MSG_OUT 0x40 +#define QC_REQ_SENSE 0x80 +#define QCSG_SG_XFER_LIST 0x02 +#define QCSG_SG_XFER_MORE 0x04 +#define QCSG_SG_XFER_END 0x08 +#define QD_IN_PROGRESS 0x00 +#define QD_NO_ERROR 0x01 +#define QD_ABORTED_BY_HOST 0x02 +#define QD_WITH_ERROR 0x04 +#define QD_INVALID_REQUEST 0x80 +#define QD_INVALID_HOST_NUM 0x81 +#define QD_INVALID_DEVICE 0x82 +#define QD_ERR_INTERNAL 0xFF +#define QHSTA_NO_ERROR 0x00 +#define QHSTA_M_SEL_TIMEOUT 0x11 +#define QHSTA_M_DATA_OVER_RUN 0x12 +#define QHSTA_M_DATA_UNDER_RUN 0x12 +#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13 +#define QHSTA_M_BAD_BUS_PHASE_SEQ 0x14 +#define QHSTA_D_QDONE_SG_LIST_CORRUPTED 0x21 +#define QHSTA_D_ASC_DVC_ERROR_CODE_SET 0x22 +#define QHSTA_D_HOST_ABORT_FAILED 0x23 +#define QHSTA_D_EXE_SCSI_Q_FAILED 0x24 +#define QHSTA_D_EXE_SCSI_Q_BUSY_TIMEOUT 0x25 +#define QHSTA_D_ASPI_NO_BUF_POOL 0x26 +#define QHSTA_M_WTM_TIMEOUT 0x41 +#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42 +#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43 +#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44 +#define QHSTA_M_TARGET_STATUS_BUSY 0x45 +#define QHSTA_M_BAD_TAG_CODE 0x46 +#define QHSTA_M_BAD_QUEUE_FULL_OR_BUSY 0x47 +#define QHSTA_M_HUNG_REQ_SCSI_BUS_RESET 0x48 +#define QHSTA_D_LRAM_CMP_ERROR 0x81 +#define QHSTA_M_MICRO_CODE_ERROR_HALT 0xA1 +#define ASC_FLAG_SCSIQ_REQ 0x01 +#define ASC_FLAG_BIOS_SCSIQ_REQ 0x02 +#define ASC_FLAG_BIOS_ASYNC_IO 0x04 +#define ASC_FLAG_SRB_LINEAR_ADDR 0x08 +#define ASC_FLAG_WIN16 0x10 +#define ASC_FLAG_WIN32 0x20 +#define ASC_FLAG_ISA_OVER_16MB 0x40 +#define ASC_FLAG_DOS_VM_CALLBACK 0x80 +#define ASC_TAG_FLAG_EXTRA_BYTES 0x10 +#define ASC_TAG_FLAG_DISABLE_DISCONNECT 0x04 +#define ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX 0x08 +#define ASC_TAG_FLAG_DISABLE_CHK_COND_INT_HOST 0x40 +#define ASC_SCSIQ_CPY_BEG 4 +#define ASC_SCSIQ_SGHD_CPY_BEG 2 +#define ASC_SCSIQ_B_FWD 0 +#define ASC_SCSIQ_B_BWD 1 +#define ASC_SCSIQ_B_STATUS 2 +#define ASC_SCSIQ_B_QNO 3 +#define ASC_SCSIQ_B_CNTL 4 +#define ASC_SCSIQ_B_SG_QUEUE_CNT 5 +#define ASC_SCSIQ_D_DATA_ADDR 8 +#define ASC_SCSIQ_D_DATA_CNT 12 +#define ASC_SCSIQ_B_SENSE_LEN 20 +#define ASC_SCSIQ_DONE_INFO_BEG 22 +#define ASC_SCSIQ_D_SRBPTR 22 +#define ASC_SCSIQ_B_TARGET_IX 26 +#define ASC_SCSIQ_B_CDB_LEN 28 +#define ASC_SCSIQ_B_TAG_CODE 29 +#define ASC_SCSIQ_W_VM_ID 30 +#define ASC_SCSIQ_DONE_STATUS 32 +#define ASC_SCSIQ_HOST_STATUS 33 +#define ASC_SCSIQ_SCSI_STATUS 34 +#define ASC_SCSIQ_CDB_BEG 36 +#define ASC_SCSIQ_DW_REMAIN_XFER_ADDR 56 +#define ASC_SCSIQ_DW_REMAIN_XFER_CNT 60 +#define ASC_SCSIQ_B_SG_WK_QP 49 +#define ASC_SCSIQ_B_SG_WK_IX 50 +#define ASC_SCSIQ_W_REQ_COUNT 52 +#define ASC_SCSIQ_B_LIST_CNT 6 +#define ASC_SCSIQ_B_CUR_LIST_CNT 7 +#define ASC_SGQ_B_SG_CNTL 4 +#define ASC_SGQ_B_SG_HEAD_QP 5 +#define ASC_SGQ_B_SG_LIST_CNT 6 +#define ASC_SGQ_B_SG_CUR_LIST_CNT 7 +#define ASC_SGQ_LIST_BEG 8 +#define ASC_DEF_SCSI1_QNG 4 +#define ASC_MAX_SCSI1_QNG 4 +#define ASC_DEF_SCSI2_QNG 16 +#define ASC_MAX_SCSI2_QNG 32 +#define ASC_TAG_CODE_MASK 0x23 +#define ASC_STOP_REQ_RISC_STOP 0x01 +#define ASC_STOP_ACK_RISC_STOP 0x03 +#define ASC_STOP_CLEAN_UP_BUSY_Q 0x10 +#define ASC_STOP_CLEAN_UP_DISC_Q 0x20 +#define ASC_STOP_HOST_REQ_RISC_HALT 0x40 +#define ASC_TIDLUN_TO_IX(tid, lun) (ASC_SCSI_TIX_TYPE)((tid) + ((lun)<<ASC_SCSI_ID_BITS)) +#define ASC_TID_TO_TARGET_ID(tid) (ASC_SCSI_BIT_ID_TYPE)(0x01 << (tid)) +#define ASC_TIX_TO_TARGET_ID(tix) (0x01 << ((tix) & ASC_MAX_TID)) +#define ASC_TIX_TO_TID(tix) ((tix) & ASC_MAX_TID) +#define ASC_TID_TO_TIX(tid) ((tid) & ASC_MAX_TID) +#define ASC_TIX_TO_LUN(tix) (((tix) >> ASC_SCSI_ID_BITS) & ASC_MAX_LUN) +#define ASC_QNO_TO_QADDR(q_no) ((ASC_QADR_BEG)+((int)(q_no) << 6)) + +typedef struct asc_scisq_1 { + uchar status; + uchar q_no; + uchar cntl; + uchar sg_queue_cnt; + uchar target_id; + uchar target_lun; + ulong data_addr; + ulong data_cnt; + ulong sense_addr; + uchar sense_len; + uchar extra_bytes; +} ASC_SCSIQ_1; + +typedef struct asc_scisq_2 { + ulong srb_ptr; + uchar target_ix; + uchar flag; + uchar cdb_len; + uchar tag_code; + ushort vm_id; +} ASC_SCSIQ_2; + +typedef struct asc_scsiq_3 { + uchar done_stat; + uchar host_stat; + uchar scsi_stat; + uchar scsi_msg; +} ASC_SCSIQ_3; + +typedef struct asc_scsiq_4 { + uchar cdb[ASC_MAX_CDB_LEN]; + uchar y_first_sg_list_qp; + uchar y_working_sg_qp; + uchar y_working_sg_ix; + uchar y_res; + ushort x_req_count; + ushort x_reconnect_rtn; + ulong x_saved_data_addr; + ulong x_saved_data_cnt; +} ASC_SCSIQ_4; + +typedef struct asc_q_done_info { + ASC_SCSIQ_2 d2; + ASC_SCSIQ_3 d3; + uchar q_status; + uchar q_no; + uchar cntl; + uchar sense_len; + uchar extra_bytes; + uchar res; + ulong remain_bytes; +} ASC_QDONE_INFO; + +typedef struct asc_sg_list { + ulong addr; + ulong bytes; +} ASC_SG_LIST; + +typedef struct asc_sg_head { + ushort entry_cnt; + ushort queue_cnt; + ushort entry_to_copy; + ushort res; + ASC_SG_LIST sg_list[ASC_MAX_SG_LIST]; +} ASC_SG_HEAD; + +#define ASC_MIN_SG_LIST 2 + +typedef struct asc_min_sg_head { + ushort entry_cnt; + ushort queue_cnt; + ushort entry_to_copy; + ushort res; + ASC_SG_LIST sg_list[ASC_MIN_SG_LIST]; +} ASC_MIN_SG_HEAD; + +#define QCX_SORT (0x0001) +#define QCX_COALEASE (0x0002) + +typedef struct asc_scsi_q { + ASC_SCSIQ_1 q1; + ASC_SCSIQ_2 q2; + uchar *cdbptr; + ASC_SG_HEAD *sg_head; +} ASC_SCSI_Q; + +typedef struct asc_scsi_req_q { + ASC_SCSIQ_1 r1; + ASC_SCSIQ_2 r2; + uchar *cdbptr; + ASC_SG_HEAD *sg_head; + uchar *sense_ptr; + ASC_SCSIQ_3 r3; + uchar cdb[ASC_MAX_CDB_LEN]; + uchar sense[ASC_MIN_SENSE_LEN]; +} ASC_SCSI_REQ_Q; + +typedef struct asc_scsi_bios_req_q { + ASC_SCSIQ_1 r1; + ASC_SCSIQ_2 r2; + uchar *cdbptr; + ASC_SG_HEAD *sg_head; + uchar *sense_ptr; + ASC_SCSIQ_3 r3; + uchar cdb[ASC_MAX_CDB_LEN]; + uchar sense[ASC_MIN_SENSE_LEN]; +} ASC_SCSI_BIOS_REQ_Q; + +typedef struct asc_risc_q { + uchar fwd; + uchar bwd; + ASC_SCSIQ_1 i1; + ASC_SCSIQ_2 i2; + ASC_SCSIQ_3 i3; + ASC_SCSIQ_4 i4; +} ASC_RISC_Q; + +typedef struct asc_sg_list_q { + uchar seq_no; + uchar q_no; + uchar cntl; + uchar sg_head_qp; + uchar sg_list_cnt; + uchar sg_cur_list_cnt; +} ASC_SG_LIST_Q; + +typedef struct asc_risc_sg_list_q { + uchar fwd; + uchar bwd; + ASC_SG_LIST_Q sg; + ASC_SG_LIST sg_list[7]; +} ASC_RISC_SG_LIST_Q; + +#define ASC_EXE_SCSI_IO_MAX_IDLE_LOOP 0x1000000UL +#define ASC_EXE_SCSI_IO_MAX_WAIT_LOOP 1024 +#define ASCQ_ERR_NO_ERROR 0 +#define ASCQ_ERR_IO_NOT_FOUND 1 +#define ASCQ_ERR_LOCAL_MEM 2 +#define ASCQ_ERR_CHKSUM 3 +#define ASCQ_ERR_START_CHIP 4 +#define ASCQ_ERR_INT_TARGET_ID 5 +#define ASCQ_ERR_INT_LOCAL_MEM 6 +#define ASCQ_ERR_HALT_RISC 7 +#define ASCQ_ERR_GET_ASPI_ENTRY 8 +#define ASCQ_ERR_CLOSE_ASPI 9 +#define ASCQ_ERR_HOST_INQUIRY 0x0A +#define ASCQ_ERR_SAVED_SRB_BAD 0x0B +#define ASCQ_ERR_QCNTL_SG_LIST 0x0C +#define ASCQ_ERR_Q_STATUS 0x0D +#define ASCQ_ERR_WR_SCSIQ 0x0E +#define ASCQ_ERR_PC_ADDR 0x0F +#define ASCQ_ERR_SYN_OFFSET 0x10 +#define ASCQ_ERR_SYN_XFER_TIME 0x11 +#define ASCQ_ERR_LOCK_DMA 0x12 +#define ASCQ_ERR_UNLOCK_DMA 0x13 +#define ASCQ_ERR_VDS_CHK_INSTALL 0x14 +#define ASCQ_ERR_MICRO_CODE_HALT 0x15 +#define ASCQ_ERR_SET_LRAM_ADDR 0x16 +#define ASCQ_ERR_CUR_QNG 0x17 +#define ASCQ_ERR_SG_Q_LINKS 0x18 +#define ASCQ_ERR_SCSIQ_PTR 0x19 +#define ASCQ_ERR_ISR_RE_ENTRY 0x1A +#define ASCQ_ERR_CRITICAL_RE_ENTRY 0x1B +#define ASCQ_ERR_ISR_ON_CRITICAL 0x1C +#define ASCQ_ERR_SG_LIST_ODD_ADDRESS 0x1D +#define ASCQ_ERR_XFER_ADDRESS_TOO_BIG 0x1E +#define ASCQ_ERR_SCSIQ_NULL_PTR 0x1F +#define ASCQ_ERR_SCSIQ_BAD_NEXT_PTR 0x20 +#define ASCQ_ERR_GET_NUM_OF_FREE_Q 0x21 +#define ASCQ_ERR_SEND_SCSI_Q 0x22 +#define ASCQ_ERR_HOST_REQ_RISC_HALT 0x23 +#define ASCQ_ERR_RESET_SDTR 0x24 +#define ASC_WARN_NO_ERROR 0x0000 +#define ASC_WARN_IO_PORT_ROTATE 0x0001 +#define ASC_WARN_EEPROM_CHKSUM 0x0002 +#define ASC_WARN_IRQ_MODIFIED 0x0004 +#define ASC_WARN_AUTO_CONFIG 0x0008 +#define ASC_WARN_CMD_QNG_CONFLICT 0x0010 +#define ASC_WARN_EEPROM_RECOVER 0x0020 +#define ASC_WARN_CFG_MSW_RECOVER 0x0040 +#define ASC_WARN_SET_PCI_CONFIG_SPACE 0x0080 +#define ASC_IERR_WRITE_EEPROM 0x0001 +#define ASC_IERR_MCODE_CHKSUM 0x0002 +#define ASC_IERR_SET_PC_ADDR 0x0004 +#define ASC_IERR_START_STOP_CHIP 0x0008 +#define ASC_IERR_IRQ_NO 0x0010 +#define ASC_IERR_SET_IRQ_NO 0x0020 +#define ASC_IERR_CHIP_VERSION 0x0040 +#define ASC_IERR_SET_SCSI_ID 0x0080 +#define ASC_IERR_GET_PHY_ADDR 0x0100 +#define ASC_IERR_BAD_SIGNATURE 0x0200 +#define ASC_IERR_NO_BUS_TYPE 0x0400 +#define ASC_IERR_SCAM 0x0800 +#define ASC_IERR_SET_SDTR 0x1000 +#define ASC_IERR_RW_LRAM 0x8000 +#define ASC_DEF_IRQ_NO 10 +#define ASC_MAX_IRQ_NO 15 +#define ASC_MIN_IRQ_NO 10 +#define ASC_MIN_REMAIN_Q (0x02) +#define ASC_DEF_MAX_TOTAL_QNG (0xF0) +#define ASC_MIN_TAG_Q_PER_DVC (0x04) +#define ASC_DEF_TAG_Q_PER_DVC (0x04) +#define ASC_MIN_FREE_Q ASC_MIN_REMAIN_Q +#define ASC_MIN_TOTAL_QNG ((ASC_MAX_SG_QUEUE)+(ASC_MIN_FREE_Q)) +#define ASC_MAX_TOTAL_QNG 240 +#define ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG 16 +#define ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG 8 +#define ASC_MAX_PCI_INRAM_TOTAL_QNG 20 +#define ASC_MAX_INRAM_TAG_QNG 16 +#define ASC_IOADR_TABLE_MAX_IX 11 +#define ASC_IOADR_GAP 0x10 +#define ASC_SEARCH_IOP_GAP 0x10 +#define ASC_MIN_IOP_ADDR (PortAddr)0x0100 +#define ASC_MAX_IOP_ADDR (PortAddr)0x3F0 +#define ASC_IOADR_1 (PortAddr)0x0110 +#define ASC_IOADR_2 (PortAddr)0x0130 +#define ASC_IOADR_3 (PortAddr)0x0150 +#define ASC_IOADR_4 (PortAddr)0x0190 +#define ASC_IOADR_5 (PortAddr)0x0210 +#define ASC_IOADR_6 (PortAddr)0x0230 +#define ASC_IOADR_7 (PortAddr)0x0250 +#define ASC_IOADR_8 (PortAddr)0x0330 +#define ASC_IOADR_DEF ASC_IOADR_8 +#define ASC_LIB_SCSIQ_WK_SP 256 +#define ASC_MAX_SYN_XFER_NO 16 +#define ASC_SYN_MAX_OFFSET 0x0F +#define ASC_DEF_SDTR_OFFSET 0x0F +#define ASC_DEF_SDTR_INDEX 0x00 +#define ASC_SDTR_ULTRA_PCI_10MB_INDEX 0x02 +#define SYN_XFER_NS_0 25 +#define SYN_XFER_NS_1 30 +#define SYN_XFER_NS_2 35 +#define SYN_XFER_NS_3 40 +#define SYN_XFER_NS_4 50 +#define SYN_XFER_NS_5 60 +#define SYN_XFER_NS_6 70 +#define SYN_XFER_NS_7 85 +#define SYN_ULTRA_XFER_NS_0 12 +#define SYN_ULTRA_XFER_NS_1 19 +#define SYN_ULTRA_XFER_NS_2 25 +#define SYN_ULTRA_XFER_NS_3 32 +#define SYN_ULTRA_XFER_NS_4 38 +#define SYN_ULTRA_XFER_NS_5 44 +#define SYN_ULTRA_XFER_NS_6 50 +#define SYN_ULTRA_XFER_NS_7 57 +#define SYN_ULTRA_XFER_NS_8 63 +#define SYN_ULTRA_XFER_NS_9 69 +#define SYN_ULTRA_XFER_NS_10 75 +#define SYN_ULTRA_XFER_NS_11 82 +#define SYN_ULTRA_XFER_NS_12 88 +#define SYN_ULTRA_XFER_NS_13 94 +#define SYN_ULTRA_XFER_NS_14 100 +#define SYN_ULTRA_XFER_NS_15 107 + +typedef struct ext_msg { + uchar msg_type; + uchar msg_len; + uchar msg_req; + union { + struct { + uchar sdtr_xfer_period; + uchar sdtr_req_ack_offset; + } sdtr; + struct { + uchar wdtr_width; + } wdtr; + struct { + uchar mdp_b3; + uchar mdp_b2; + uchar mdp_b1; + uchar mdp_b0; + } mdp; + } u_ext_msg; + uchar res; +} EXT_MSG; + +#define xfer_period u_ext_msg.sdtr.sdtr_xfer_period +#define req_ack_offset u_ext_msg.sdtr.sdtr_req_ack_offset +#define wdtr_width u_ext_msg.wdtr.wdtr_width +#define mdp_b3 u_ext_msg.mdp_b3 +#define mdp_b2 u_ext_msg.mdp_b2 +#define mdp_b1 u_ext_msg.mdp_b1 +#define mdp_b0 u_ext_msg.mdp_b0 + +typedef struct asc_dvc_cfg { + ASC_SCSI_BIT_ID_TYPE can_tagged_qng; + ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled; + ASC_SCSI_BIT_ID_TYPE disc_enable; + ASC_SCSI_BIT_ID_TYPE sdtr_enable; + uchar chip_scsi_id:4; + uchar isa_dma_speed:4; + uchar isa_dma_channel; + uchar chip_version; + ushort pci_device_id; + ushort lib_serial_no; + ushort lib_version; + ushort mcode_date; + ushort mcode_version; + uchar max_tag_qng[ASC_MAX_TID + 1]; + uchar *overrun_buf; + uchar sdtr_period_offset[ASC_MAX_TID + 1]; + ushort pci_slot_info; + uchar adapter_info[6]; +} ASC_DVC_CFG; + +#define ASC_DEF_DVC_CNTL 0xFFFF +#define ASC_DEF_CHIP_SCSI_ID 7 +#define ASC_DEF_ISA_DMA_SPEED 4 +#define ASC_INIT_STATE_NULL 0x0000 +#define ASC_INIT_STATE_BEG_GET_CFG 0x0001 +#define ASC_INIT_STATE_END_GET_CFG 0x0002 +#define ASC_INIT_STATE_BEG_SET_CFG 0x0004 +#define ASC_INIT_STATE_END_SET_CFG 0x0008 +#define ASC_INIT_STATE_BEG_LOAD_MC 0x0010 +#define ASC_INIT_STATE_END_LOAD_MC 0x0020 +#define ASC_INIT_STATE_BEG_INQUIRY 0x0040 +#define ASC_INIT_STATE_END_INQUIRY 0x0080 +#define ASC_INIT_RESET_SCSI_DONE 0x0100 +#define ASC_INIT_STATE_WITHOUT_EEP 0x8000 +#define ASC_PCI_DEVICE_ID_REV_A 0x1100 +#define ASC_PCI_DEVICE_ID_REV_B 0x1200 +#define ASC_BUG_FIX_IF_NOT_DWB 0x0001 +#define ASC_BUG_FIX_ASYN_USE_SYN 0x0002 +#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41 +#define ASC_MIN_TAGGED_CMD 7 +#define ASC_MAX_SCSI_RESET_WAIT 30 + +typedef struct asc_dvc_var { + PortAddr iop_base; + ushort err_code; + ushort dvc_cntl; + ushort bug_fix_cntl; + ushort bus_type; + Ptr2Func isr_callback; + Ptr2Func exe_callback; + ASC_SCSI_BIT_ID_TYPE init_sdtr; + ASC_SCSI_BIT_ID_TYPE sdtr_done; + ASC_SCSI_BIT_ID_TYPE use_tagged_qng; + ASC_SCSI_BIT_ID_TYPE unit_not_ready; + ASC_SCSI_BIT_ID_TYPE queue_full_or_busy; + ASC_SCSI_BIT_ID_TYPE start_motor; + uchar scsi_reset_wait; + uchar chip_no; + char is_in_int; + uchar max_total_qng; + uchar cur_total_qng; + uchar in_critical_cnt; + uchar irq_no; + uchar last_q_shortage; + ushort init_state; + uchar cur_dvc_qng[ASC_MAX_TID + 1]; + uchar max_dvc_qng[ASC_MAX_TID + 1]; + ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1]; + ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1]; + uchar sdtr_period_tbl[ASC_MAX_SYN_XFER_NO]; + ASC_DVC_CFG *cfg; + Ptr2Func saved_ptr2func; + ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always; + char redo_scam; + ushort res2; + uchar dos_int13_table[ASC_MAX_TID + 1]; + ulong max_dma_count; + ASC_SCSI_BIT_ID_TYPE no_scam; + ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer; + uchar max_sdtr_index; + uchar host_init_sdtr_index; + ulong drv_ptr; + ulong uc_break; + ulong res7; + ulong res8; +} ASC_DVC_VAR; + +typedef int (* ASC_ISR_CALLBACK) (ASC_DVC_VAR asc_ptr_type *, ASC_QDONE_INFO *); +typedef int (* ASC_EXE_CALLBACK) (ASC_DVC_VAR asc_ptr_type *, ASC_SCSI_Q *); + +typedef struct asc_dvc_inq_info { + uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1]; +} ASC_DVC_INQ_INFO; + +typedef struct asc_cap_info { + ulong lba; + ulong blk_size; +} ASC_CAP_INFO; + +typedef struct asc_cap_info_array { + ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1]; +} ASC_CAP_INFO_ARRAY; + +#define ASC_MCNTL_NO_SEL_TIMEOUT (ushort)0x0001 +#define ASC_MCNTL_NULL_TARGET (ushort)0x0002 +#define ASC_CNTL_INITIATOR (ushort)0x0001 +#define ASC_CNTL_BIOS_GT_1GB (ushort)0x0002 +#define ASC_CNTL_BIOS_GT_2_DISK (ushort)0x0004 +#define ASC_CNTL_BIOS_REMOVABLE (ushort)0x0008 +#define ASC_CNTL_NO_SCAM (ushort)0x0010 +#define ASC_CNTL_INT_MULTI_Q (ushort)0x0080 +#define ASC_CNTL_NO_LUN_SUPPORT (ushort)0x0040 +#define ASC_CNTL_NO_VERIFY_COPY (ushort)0x0100 +#define ASC_CNTL_RESET_SCSI (ushort)0x0200 +#define ASC_CNTL_INIT_INQUIRY (ushort)0x0400 +#define ASC_CNTL_INIT_VERBOSE (ushort)0x0800 +#define ASC_CNTL_SCSI_PARITY (ushort)0x1000 +#define ASC_CNTL_BURST_MODE (ushort)0x2000 +#define ASC_CNTL_SDTR_ENABLE_ULTRA (ushort)0x4000 +#define ASC_EEP_DVC_CFG_BEG_VL 2 +#define ASC_EEP_MAX_DVC_ADDR_VL 15 +#define ASC_EEP_DVC_CFG_BEG 32 +#define ASC_EEP_MAX_DVC_ADDR 45 +#define ASC_EEP_DEFINED_WORDS 10 +#define ASC_EEP_MAX_ADDR 63 +#define ASC_EEP_RES_WORDS 0 +#define ASC_EEP_MAX_RETRY 20 +#define ASC_MAX_INIT_BUSY_RETRY 8 +#define ASC_EEP_ISA_PNP_WSIZE 16 + +typedef struct asceep_config { + ushort cfg_lsw; + ushort cfg_msw; + uchar init_sdtr; + uchar disc_enable; + uchar use_cmd_qng; + uchar start_motor; + uchar max_total_qng; + uchar max_tag_qng; + uchar bios_scan; + uchar power_up_wait; + uchar no_scam; + uchar chip_scsi_id:4; + uchar isa_dma_speed:4; + uchar dos_int13_table[ASC_MAX_TID + 1]; + uchar adapter_info[6]; + ushort cntl; + ushort chksum; +} ASCEEP_CONFIG; + +#define ASC_PCI_CFG_LSW_SCSI_PARITY 0x0800 +#define ASC_PCI_CFG_LSW_BURST_MODE 0x0080 +#define ASC_PCI_CFG_LSW_INTR_ABLE 0x0020 + +#define ASC_EEP_CMD_READ 0x80 +#define ASC_EEP_CMD_WRITE 0x40 +#define ASC_EEP_CMD_WRITE_ABLE 0x30 +#define ASC_EEP_CMD_WRITE_DISABLE 0x00 +#define ASC_OVERRUN_BSIZE 0x00000048UL +#define ASC_CTRL_BREAK_ONCE 0x0001 +#define ASC_CTRL_BREAK_STAY_IDLE 0x0002 +#define ASCV_MSGOUT_BEG 0x0000 +#define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3) +#define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4) +#define ASCV_BREAK_SAVED_CODE (ushort)0x0006 +#define ASCV_MSGIN_BEG (ASCV_MSGOUT_BEG+8) +#define ASCV_MSGIN_SDTR_PERIOD (ASCV_MSGIN_BEG+3) +#define ASCV_MSGIN_SDTR_OFFSET (ASCV_MSGIN_BEG+4) +#define ASCV_SDTR_DATA_BEG (ASCV_MSGIN_BEG+8) +#define ASCV_SDTR_DONE_BEG (ASCV_SDTR_DATA_BEG+8) +#define ASCV_MAX_DVC_QNG_BEG (ushort)0x0020 +#define ASCV_BREAK_ADDR (ushort)0x0028 +#define ASCV_BREAK_NOTIFY_COUNT (ushort)0x002A +#define ASCV_BREAK_CONTROL (ushort)0x002C +#define ASCV_BREAK_HIT_COUNT (ushort)0x002E + +#define ASCV_ASCDVC_ERR_CODE_W (ushort)0x0030 +#define ASCV_MCODE_CHKSUM_W (ushort)0x0032 +#define ASCV_MCODE_SIZE_W (ushort)0x0034 +#define ASCV_STOP_CODE_B (ushort)0x0036 +#define ASCV_DVC_ERR_CODE_B (ushort)0x0037 +#define ASCV_OVERRUN_PADDR_D (ushort)0x0038 +#define ASCV_OVERRUN_BSIZE_D (ushort)0x003C +#define ASCV_HALTCODE_W (ushort)0x0040 +#define ASCV_CHKSUM_W (ushort)0x0042 +#define ASCV_MC_DATE_W (ushort)0x0044 +#define ASCV_MC_VER_W (ushort)0x0046 +#define ASCV_NEXTRDY_B (ushort)0x0048 +#define ASCV_DONENEXT_B (ushort)0x0049 +#define ASCV_USE_TAGGED_QNG_B (ushort)0x004A +#define ASCV_SCSIBUSY_B (ushort)0x004B +#define ASCV_Q_DONE_IN_PROGRESS_B (ushort)0x004C +#define ASCV_CURCDB_B (ushort)0x004D +#define ASCV_RCLUN_B (ushort)0x004E +#define ASCV_BUSY_QHEAD_B (ushort)0x004F +#define ASCV_DISC1_QHEAD_B (ushort)0x0050 +#define ASCV_DISC_ENABLE_B (ushort)0x0052 +#define ASCV_CAN_TAGGED_QNG_B (ushort)0x0053 +#define ASCV_HOSTSCSI_ID_B (ushort)0x0055 +#define ASCV_MCODE_CNTL_B (ushort)0x0056 +#define ASCV_NULL_TARGET_B (ushort)0x0057 +#define ASCV_FREE_Q_HEAD_W (ushort)0x0058 +#define ASCV_DONE_Q_TAIL_W (ushort)0x005A +#define ASCV_FREE_Q_HEAD_B (ushort)(ASCV_FREE_Q_HEAD_W+1) +#define ASCV_DONE_Q_TAIL_B (ushort)(ASCV_DONE_Q_TAIL_W+1) +#define ASCV_HOST_FLAG_B (ushort)0x005D +#define ASCV_TOTAL_READY_Q_B (ushort)0x0064 +#define ASCV_VER_SERIAL_B (ushort)0x0065 +#define ASCV_HALTCODE_SAVED_W (ushort)0x0066 +#define ASCV_WTM_FLAG_B (ushort)0x0068 +#define ASCV_RISC_FLAG_B (ushort)0x006A +#define ASCV_REQ_SG_LIST_QP (ushort)0x006B +#define ASC_HOST_FLAG_IN_ISR 0x01 +#define ASC_HOST_FLAG_ACK_INT 0x02 +#define ASC_RISC_FLAG_GEN_INT 0x01 +#define ASC_RISC_FLAG_REQ_SG_LIST 0x02 +#define IOP_CTRL (0x0F) +#define IOP_STATUS (0x0E) +#define IOP_INT_ACK IOP_STATUS +#define IOP_REG_IFC (0x0D) +#define IOP_SYN_OFFSET (0x0B) +#define IOP_EXTRA_CONTROL (0x0D) +#define IOP_REG_PC (0x0C) +#define IOP_RAM_ADDR (0x0A) +#define IOP_RAM_DATA (0x08) +#define IOP_EEP_DATA (0x06) +#define IOP_EEP_CMD (0x07) +#define IOP_VERSION (0x03) +#define IOP_CONFIG_HIGH (0x04) +#define IOP_CONFIG_LOW (0x02) +#define IOP_SIG_BYTE (0x01) +#define IOP_SIG_WORD (0x00) +#define IOP_REG_DC1 (0x0E) +#define IOP_REG_DC0 (0x0C) +#define IOP_REG_SB (0x0B) +#define IOP_REG_DA1 (0x0A) +#define IOP_REG_DA0 (0x08) +#define IOP_REG_SC (0x09) +#define IOP_DMA_SPEED (0x07) +#define IOP_REG_FLAG (0x07) +#define IOP_FIFO_H (0x06) +#define IOP_FIFO_L (0x04) +#define IOP_REG_ID (0x05) +#define IOP_REG_QP (0x03) +#define IOP_REG_IH (0x02) +#define IOP_REG_IX (0x01) +#define IOP_REG_AX (0x00) +#define IFC_REG_LOCK (0x00) +#define IFC_REG_UNLOCK (0x09) +#define IFC_WR_EN_FILTER (0x10) +#define IFC_RD_NO_EEPROM (0x10) +#define IFC_SLEW_RATE (0x20) +#define IFC_ACT_NEG (0x40) +#define IFC_INP_FILTER (0x80) +#define IFC_INIT_DEFAULT (IFC_ACT_NEG | IFC_REG_UNLOCK) +#define SC_SEL (uchar)(0x80) +#define SC_BSY (uchar)(0x40) +#define SC_ACK (uchar)(0x20) +#define SC_REQ (uchar)(0x10) +#define SC_ATN (uchar)(0x08) +#define SC_IO (uchar)(0x04) +#define SC_CD (uchar)(0x02) +#define SC_MSG (uchar)(0x01) +#define SEC_SCSI_CTL (uchar)(0x80) +#define SEC_ACTIVE_NEGATE (uchar)(0x40) +#define SEC_SLEW_RATE (uchar)(0x20) +#define SEC_ENABLE_FILTER (uchar)(0x10) +#define ASC_HALT_EXTMSG_IN (ushort)0x8000 +#define ASC_HALT_CHK_CONDITION (ushort)0x8100 +#define ASC_HALT_SS_QUEUE_FULL (ushort)0x8200 +#define ASC_HALT_DISABLE_ASYN_USE_SYN_FIX (ushort)0x8300 +#define ASC_HALT_ENABLE_ASYN_USE_SYN_FIX (ushort)0x8400 +#define ASC_HALT_SDTR_REJECTED (ushort)0x4000 +#define ASC_MAX_QNO 0xF8 +#define ASC_DATA_SEC_BEG (ushort)0x0080 +#define ASC_DATA_SEC_END (ushort)0x0080 +#define ASC_CODE_SEC_BEG (ushort)0x0080 +#define ASC_CODE_SEC_END (ushort)0x0080 +#define ASC_QADR_BEG (0x4000) +#define ASC_QADR_USED (ushort)(ASC_MAX_QNO * 64) +#define ASC_QADR_END (ushort)0x7FFF +#define ASC_QLAST_ADR (ushort)0x7FC0 +#define ASC_QBLK_SIZE 0x40 +#define ASC_BIOS_DATA_QBEG 0xF8 +#define ASC_MIN_ACTIVE_QNO 0x01 +#define ASC_QLINK_END 0xFF +#define ASC_EEPROM_WORDS 0x10 +#define ASC_MAX_MGS_LEN 0x10 +#define ASC_BIOS_ADDR_DEF 0xDC00 +#define ASC_BIOS_SIZE 0x3800 +#define ASC_BIOS_RAM_OFF 0x3800 +#define ASC_BIOS_RAM_SIZE 0x800 +#define ASC_BIOS_MIN_ADDR 0xC000 +#define ASC_BIOS_MAX_ADDR 0xEC00 +#define ASC_BIOS_BANK_SIZE 0x0400 +#define ASC_MCODE_START_ADDR 0x0080 +#define ASC_CFG0_HOST_INT_ON 0x0020 +#define ASC_CFG0_BIOS_ON 0x0040 +#define ASC_CFG0_VERA_BURST_ON 0x0080 +#define ASC_CFG0_SCSI_PARITY_ON 0x0800 +#define ASC_CFG1_SCSI_TARGET_ON 0x0080 +#define ASC_CFG1_LRAM_8BITS_ON 0x0800 +#define ASC_CFG_MSW_CLR_MASK 0x3080 +#define CSW_TEST1 (ASC_CS_TYPE)0x8000 +#define CSW_AUTO_CONFIG (ASC_CS_TYPE)0x4000 +#define CSW_RESERVED1 (ASC_CS_TYPE)0x2000 +#define CSW_IRQ_WRITTEN (ASC_CS_TYPE)0x1000 +#define CSW_33MHZ_SELECTED (ASC_CS_TYPE)0x0800 +#define CSW_TEST2 (ASC_CS_TYPE)0x0400 +#define CSW_TEST3 (ASC_CS_TYPE)0x0200 +#define CSW_RESERVED2 (ASC_CS_TYPE)0x0100 +#define CSW_DMA_DONE (ASC_CS_TYPE)0x0080 +#define CSW_FIFO_RDY (ASC_CS_TYPE)0x0040 +#define CSW_EEP_READ_DONE (ASC_CS_TYPE)0x0020 +#define CSW_HALTED (ASC_CS_TYPE)0x0010 +#define CSW_SCSI_RESET_ACTIVE (ASC_CS_TYPE)0x0008 +#define CSW_PARITY_ERR (ASC_CS_TYPE)0x0004 +#define CSW_SCSI_RESET_LATCH (ASC_CS_TYPE)0x0002 +#define CSW_INT_PENDING (ASC_CS_TYPE)0x0001 +#define CIW_CLR_SCSI_RESET_INT (ASC_CS_TYPE)0x1000 +#define CIW_INT_ACK (ASC_CS_TYPE)0x0100 +#define CIW_TEST1 (ASC_CS_TYPE)0x0200 +#define CIW_TEST2 (ASC_CS_TYPE)0x0400 +#define CIW_SEL_33MHZ (ASC_CS_TYPE)0x0800 +#define CIW_IRQ_ACT (ASC_CS_TYPE)0x1000 +#define CC_CHIP_RESET (uchar)0x80 +#define CC_SCSI_RESET (uchar)0x40 +#define CC_HALT (uchar)0x20 +#define CC_SINGLE_STEP (uchar)0x10 +#define CC_DMA_ABLE (uchar)0x08 +#define CC_TEST (uchar)0x04 +#define CC_BANK_ONE (uchar)0x02 +#define CC_DIAG (uchar)0x01 +#define ASC_1000_ID0W 0x04C1 +#define ASC_1000_ID0W_FIX 0x00C1 +#define ASC_1000_ID1B 0x25 +#define ASC_EISA_BIG_IOP_GAP (0x1C30-0x0C50) +#define ASC_EISA_SMALL_IOP_GAP (0x0020) +#define ASC_EISA_MIN_IOP_ADDR (0x0C30) +#define ASC_EISA_MAX_IOP_ADDR (0xFC50) +#define ASC_EISA_REV_IOP_MASK (0x0C83) +#define ASC_EISA_PID_IOP_MASK (0x0C80) +#define ASC_EISA_CFG_IOP_MASK (0x0C86) +#define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000) +#define ASC_EISA_ID_740 0x01745004UL +#define ASC_EISA_ID_750 0x01755004UL +#define INS_HALTINT (ushort)0x6281 +#define INS_HALT (ushort)0x6280 +#define INS_SINT (ushort)0x6200 +#define INS_RFLAG_WTM (ushort)0x7380 +#define ASC_MC_SAVE_CODE_WSIZE 0x500 +#define ASC_MC_SAVE_DATA_WSIZE 0x40 + +typedef struct asc_mc_saved { + ushort data[ASC_MC_SAVE_DATA_WSIZE]; + ushort code[ASC_MC_SAVE_CODE_WSIZE]; +} ASC_MC_SAVED; + +#define AscGetQDoneInProgress(port) AscReadLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B) +#define AscPutQDoneInProgress(port, val) AscWriteLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B, val) +#define AscGetVarFreeQHead(port) AscReadLramWord((port), ASCV_FREE_Q_HEAD_W) +#define AscGetVarDoneQTail(port) AscReadLramWord((port), ASCV_DONE_Q_TAIL_W) +#define AscPutVarFreeQHead(port, val) AscWriteLramWord((port), ASCV_FREE_Q_HEAD_W, val) +#define AscPutVarDoneQTail(port, val) AscWriteLramWord((port), ASCV_DONE_Q_TAIL_W, val) +#define AscGetRiscVarFreeQHead(port) AscReadLramByte((port), ASCV_NEXTRDY_B) +#define AscGetRiscVarDoneQTail(port) AscReadLramByte((port), ASCV_DONENEXT_B) +#define AscPutRiscVarFreeQHead(port, val) AscWriteLramByte((port), ASCV_NEXTRDY_B, val) +#define AscPutRiscVarDoneQTail(port, val) AscWriteLramByte((port), ASCV_DONENEXT_B, val) +#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data)) ; +#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id)) ; +#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data) ; +#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id)) ; +#define AscSynIndexToPeriod(index) (uchar)(asc_dvc->sdtr_period_tbl[ (index) ]) +#define AscGetChipSignatureByte(port) (uchar)inp((port)+IOP_SIG_BYTE) +#define AscGetChipSignatureWord(port) (ushort)inpw((port)+IOP_SIG_WORD) +#define AscGetChipVerNo(port) (uchar)inp((port)+IOP_VERSION) +#define AscGetChipCfgLsw(port) (ushort)inpw((port)+IOP_CONFIG_LOW) +#define AscGetChipCfgMsw(port) (ushort)inpw((port)+IOP_CONFIG_HIGH) +#define AscSetChipCfgLsw(port, data) outpw((port)+IOP_CONFIG_LOW, data) +#define AscSetChipCfgMsw(port, data) outpw((port)+IOP_CONFIG_HIGH, data) +#define AscGetChipEEPCmd(port) (uchar)inp((port)+IOP_EEP_CMD) +#define AscSetChipEEPCmd(port, data) outp((port)+IOP_EEP_CMD, data) +#define AscGetChipEEPData(port) (ushort)inpw((port)+IOP_EEP_DATA) +#define AscSetChipEEPData(port, data) outpw((port)+IOP_EEP_DATA, data) +#define AscGetChipLramAddr(port) (ushort)inpw((PortAddr)((port)+IOP_RAM_ADDR)) +#define AscSetChipLramAddr(port, addr) outpw((PortAddr)((port)+IOP_RAM_ADDR), addr) +#define AscGetChipLramData(port) (ushort)inpw((port)+IOP_RAM_DATA) +#define AscSetChipLramData(port, data) outpw((port)+IOP_RAM_DATA, data) +#define AscGetChipLramDataNoSwap(port) (ushort)inpw_noswap((port)+IOP_RAM_DATA) +#define AscSetChipLramDataNoSwap(port, data) outpw_noswap((port)+IOP_RAM_DATA, data) +#define AscGetChipIFC(port) (uchar)inp((port)+IOP_REG_IFC) +#define AscSetChipIFC(port, data) outp((port)+IOP_REG_IFC, data) +#define AscGetChipStatus(port) (ASC_CS_TYPE)inpw((port)+IOP_STATUS) +#define AscSetChipStatus(port, cs_val) outpw((port)+IOP_STATUS, cs_val) +#define AscGetChipControl(port) (uchar)inp((port)+IOP_CTRL) +#define AscSetChipControl(port, cc_val) outp((port)+IOP_CTRL, cc_val) +#define AscGetChipSyn(port) (uchar)inp((port)+IOP_SYN_OFFSET) +#define AscSetChipSyn(port, data) outp((port)+IOP_SYN_OFFSET, data) +#define AscSetPCAddr(port, data) outpw((port)+IOP_REG_PC, data) +#define AscGetPCAddr(port) (ushort)inpw((port)+IOP_REG_PC) +#define AscIsIntPending(port) (AscGetChipStatus(port) & (CSW_INT_PENDING | CSW_SCSI_RESET_LATCH)) +#define AscGetChipScsiID(port) ((AscGetChipCfgLsw(port) >> 8) & ASC_MAX_TID) +#define AscGetExtraControl(port) (uchar)inp((port)+IOP_EXTRA_CONTROL) +#define AscSetExtraControl(port, data) outp((port)+IOP_EXTRA_CONTROL, data) +#define AscReadChipAX(port) (ushort)inpw((port)+IOP_REG_AX) +#define AscWriteChipAX(port, data) outpw((port)+IOP_REG_AX, data) +#define AscReadChipIX(port) (uchar)inp((port)+IOP_REG_IX) +#define AscWriteChipIX(port, data) outp((port)+IOP_REG_IX, data) +#define AscReadChipIH(port) (ushort)inpw((port)+IOP_REG_IH) +#define AscWriteChipIH(port, data) outpw((port)+IOP_REG_IH, data) +#define AscReadChipQP(port) (uchar)inp((port)+IOP_REG_QP) +#define AscWriteChipQP(port, data) outp((port)+IOP_REG_QP, data) +#define AscReadChipFIFO_L(port) (ushort)inpw((port)+IOP_REG_FIFO_L) +#define AscWriteChipFIFO_L(port, data) outpw((port)+IOP_REG_FIFO_L, data) +#define AscReadChipFIFO_H(port) (ushort)inpw((port)+IOP_REG_FIFO_H) +#define AscWriteChipFIFO_H(port, data) outpw((port)+IOP_REG_FIFO_H, data) +#define AscReadChipDmaSpeed(port) (uchar)inp((port)+IOP_DMA_SPEED) +#define AscWriteChipDmaSpeed(port, data) outp((port)+IOP_DMA_SPEED, data) +#define AscReadChipDA0(port) (ushort)inpw((port)+IOP_REG_DA0) +#define AscWriteChipDA0(port) outpw((port)+IOP_REG_DA0, data) +#define AscReadChipDA1(port) (ushort)inpw((port)+IOP_REG_DA1) +#define AscWriteChipDA1(port) outpw((port)+IOP_REG_DA1, data) +#define AscReadChipDC0(port) (ushort)inpw((port)+IOP_REG_DC0) +#define AscWriteChipDC0(port) outpw((port)+IOP_REG_DC0, data) +#define AscReadChipDC1(port) (ushort)inpw((port)+IOP_REG_DC1) +#define AscWriteChipDC1(port) outpw((port)+IOP_REG_DC1, data) +#define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID) +#define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data) + +STATIC int AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg); +STATIC int AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg); +STATIC void AscWaitEEPRead(void); +STATIC void AscWaitEEPWrite(void); +STATIC ushort AscReadEEPWord(PortAddr, uchar); +STATIC ushort AscWriteEEPWord(PortAddr, uchar, ushort); +STATIC ushort AscGetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort); +STATIC int AscSetEEPConfigOnce(PortAddr, ASCEEP_CONFIG *, ushort); +STATIC int AscSetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort); +STATIC int AscStartChip(PortAddr); +STATIC int AscStopChip(PortAddr); +STATIC void AscSetChipIH(PortAddr, ushort); +STATIC int AscIsChipHalted(PortAddr); +STATIC void AscAckInterrupt(PortAddr); +STATIC void AscDisableInterrupt(PortAddr); +STATIC void AscEnableInterrupt(PortAddr); +STATIC void AscSetBank(PortAddr, uchar); +STATIC int AscResetChipAndScsiBus(ASC_DVC_VAR *); +STATIC ushort AscGetIsaDmaChannel(PortAddr); +STATIC ushort AscSetIsaDmaChannel(PortAddr, ushort); +STATIC uchar AscSetIsaDmaSpeed(PortAddr, uchar); +STATIC uchar AscGetIsaDmaSpeed(PortAddr); +STATIC uchar AscReadLramByte(PortAddr, ushort); +STATIC ushort AscReadLramWord(PortAddr, ushort); +STATIC ulong AscReadLramDWord(PortAddr, ushort); +STATIC void AscWriteLramWord(PortAddr, ushort, ushort); +STATIC void AscWriteLramDWord(PortAddr, ushort, ulong); +STATIC void AscWriteLramByte(PortAddr, ushort, uchar); +STATIC ulong AscMemSumLramWord(PortAddr, ushort, rint); +STATIC void AscMemWordSetLram(PortAddr, ushort, ushort, rint); +STATIC void AscMemWordCopyToLram(PortAddr, ushort, ushort *, int); +STATIC void AscMemDWordCopyToLram(PortAddr, ushort, ulong *, int); +STATIC void AscMemWordCopyFromLram(PortAddr, ushort, ushort *, int); +STATIC ushort AscInitAscDvcVar(ASC_DVC_VAR asc_ptr_type *); +STATIC ushort AscInitFromEEP(ASC_DVC_VAR asc_ptr_type *); +STATIC ushort AscInitFromAscDvcVar(ASC_DVC_VAR asc_ptr_type *); +STATIC ushort AscInitMicroCodeVar(ASC_DVC_VAR asc_ptr_type * asc_dvc); +STATIC int AscTestExternalLram(ASC_DVC_VAR asc_ptr_type *); +STATIC uchar AscMsgOutSDTR(ASC_DVC_VAR asc_ptr_type *, uchar, uchar); +STATIC uchar AscCalSDTRData(ASC_DVC_VAR asc_ptr_type *, uchar, uchar); +STATIC void AscSetChipSDTR(PortAddr, uchar, uchar); +STATIC uchar AscGetSynPeriodIndex(ASC_DVC_VAR asc_ptr_type *, ruchar); +STATIC uchar AscAllocFreeQueue(PortAddr, uchar); +STATIC uchar AscAllocMultipleFreeQueue(PortAddr, uchar, uchar); +STATIC int AscRiscHaltedAbortSRB(ASC_DVC_VAR asc_ptr_type *, ulong); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int AscRiscHaltedAbortTIX(ASC_DVC_VAR asc_ptr_type *, uchar); +#endif /* version >= v1.3.89 */ +STATIC int AscHostReqRiscHalt(PortAddr); +STATIC int AscStopQueueExe(PortAddr); +STATIC int AscStartQueueExe(PortAddr); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int AscCleanUpDiscQueue(PortAddr); +#endif /* version >= v1.3.89 */ +STATIC int AscCleanUpBusyQueue(PortAddr); +STATIC int AscWaitTixISRDone(ASC_DVC_VAR asc_ptr_type *, uchar); +STATIC int AscWaitISRDone(ASC_DVC_VAR asc_ptr_type *); +STATIC ulong AscGetOnePhyAddr(ASC_DVC_VAR asc_ptr_type *, uchar *, + ulong); +STATIC int AscSendScsiQueue(ASC_DVC_VAR asc_ptr_type * asc_dvc, + ASC_SCSI_Q * scsiq, + uchar n_q_required); +STATIC int AscPutReadyQueue(ASC_DVC_VAR asc_ptr_type *, + ASC_SCSI_Q *, uchar); +STATIC int AscPutReadySgListQueue(ASC_DVC_VAR asc_ptr_type *, + ASC_SCSI_Q *, uchar); +STATIC int AscSetChipSynRegAtID(PortAddr, uchar, uchar); +STATIC int AscSetRunChipSynRegAtID(PortAddr, uchar, uchar); +STATIC ushort AscInitLram(ASC_DVC_VAR asc_ptr_type *); +STATIC int AscReInitLram(ASC_DVC_VAR asc_ptr_type *); +STATIC ushort AscInitQLinkVar(ASC_DVC_VAR asc_ptr_type *); +STATIC int AscSetLibErrorCode(ASC_DVC_VAR asc_ptr_type *, ushort); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int _AscWaitQDone(PortAddr, ASC_SCSI_Q *); +#endif /* version >= v1.3.89 */ +STATIC int AscIsrChipHalted(ASC_DVC_VAR asc_ptr_type *); +STATIC uchar _AscCopyLramScsiDoneQ(PortAddr, ushort, + ASC_QDONE_INFO *, ulong); +STATIC int AscIsrQDone(ASC_DVC_VAR asc_ptr_type *); +STATIC int AscCompareString(uchar *, uchar *, int); +STATIC ushort AscGetEisaChipCfg(PortAddr); +STATIC ulong AscGetEisaProductID(PortAddr); +STATIC PortAddr AscSearchIOPortAddrEISA(PortAddr); +STATIC uchar AscGetChipScsiCtrl(PortAddr); +STATIC uchar AscSetChipScsiID(PortAddr, uchar); +STATIC uchar AscGetChipVersion(PortAddr, ushort); +STATIC ushort AscGetChipBusType(PortAddr); +STATIC ulong AscLoadMicroCode(PortAddr, ushort, ushort *, ushort); +STATIC int AscFindSignature(PortAddr); +STATIC PortAddr AscSearchIOPortAddr11(PortAddr); +STATIC void AscToggleIRQAct(PortAddr); +STATIC void AscSetISAPNPWaitForKey(void); +STATIC uchar AscGetChipIRQ(PortAddr, ushort); +STATIC uchar AscSetChipIRQ(PortAddr, uchar, ushort); +STATIC ushort AscGetChipBiosAddress(PortAddr, ushort); +STATIC int DvcEnterCritical(void); +STATIC void DvcLeaveCritical(int); +STATIC void DvcInPortWords(PortAddr, ushort *, int); +STATIC void DvcOutPortWords(PortAddr, ushort *, int); +STATIC void DvcOutPortDWords(PortAddr, ulong *, int); +STATIC uchar DvcReadPCIConfigByte(ASC_DVC_VAR asc_ptr_type *, ushort); +STATIC void DvcWritePCIConfigByte(ASC_DVC_VAR asc_ptr_type *, + ushort, uchar); +STATIC ushort AscGetChipBiosAddress(PortAddr, ushort); +STATIC void DvcSleepMilliSecond(ulong); +STATIC void DvcDelayNanoSecond(ASC_DVC_VAR asc_ptr_type *, ulong); +STATIC ulong DvcGetSGList(ASC_DVC_VAR asc_ptr_type *, uchar *, + ulong, ASC_SG_HEAD *); +STATIC void DvcPutScsiQ(PortAddr, ushort, ushort *, int); +STATIC void DvcGetQinfo(PortAddr, ushort, ushort *, int); +STATIC PortAddr AscSearchIOPortAddr(PortAddr, ushort); +STATIC ushort AscInitGetConfig(ASC_DVC_VAR asc_ptr_type *); +STATIC ushort AscInitSetConfig(ASC_DVC_VAR asc_ptr_type *); +STATIC ushort AscInitAsc1000Driver(ASC_DVC_VAR asc_ptr_type *); +STATIC void AscAsyncFix(ASC_DVC_VAR asc_ptr_type *, uchar, + ASC_SCSI_INQUIRY *); +STATIC int AscTagQueuingSafe(ASC_SCSI_INQUIRY *); +STATIC void AscInquiryHandling(ASC_DVC_VAR asc_ptr_type *, + uchar, ASC_SCSI_INQUIRY *); +STATIC int AscExeScsiQueue(ASC_DVC_VAR asc_ptr_type *, ASC_SCSI_Q *); +STATIC int AscISR(ASC_DVC_VAR asc_ptr_type *); +STATIC uint AscGetNumOfFreeQueue(ASC_DVC_VAR asc_ptr_type *, uchar, + uchar); +STATIC int AscSgListToQueue(int); +STATIC int AscAbortSRB(ASC_DVC_VAR asc_ptr_type *, ulong); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int AscResetDevice(ASC_DVC_VAR asc_ptr_type *, uchar); +#endif /* version >= v1.3.89 */ +STATIC int AscResetSB(ASC_DVC_VAR asc_ptr_type *); +STATIC void AscEnableIsaDma(uchar); +STATIC ulong AscGetMaxDmaCount(ushort); + + +/* + * --- Adv Library Constants and Macros + */ + +#define ADV_LIB_VERSION_MAJOR 3 +#define ADV_LIB_VERSION_MINOR 45 + +/* d_os_dep.h */ +#define ADV_OS_LINUX + +/* + * Define Adv Library required special types. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) +#define AdvPortAddr unsigned short /* I/O Port address size */ +#else /* version >= v1,3,0 */ +#define AdvPortAddr unsigned long /* Virtual memory address size */ +#endif /* version >= v1,3,0 */ + +/* + * Define Adv Library required memory access macros. + */ +#define ADV_MEM_READB(addr) readb(addr) +#define ADV_MEM_READW(addr) readw(addr) +#define ADV_MEM_WRITEB(addr, byte) writeb(byte, addr) +#define ADV_MEM_WRITEW(addr, word) writew(word, addr) + +/* + * The I/O memory mapping function names changed in 2.1.X. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,0) +#define ioremap vremap +#define iounmap vfree +#endif /* version < v2.1.0 */ + +/* + * Define total number of simultaneous maximum element scatter-gather + * requests, i.e. ADV_TOT_SG_LIST * ADV_MAX_SG_LIST is the total number + * of simultaneous scatter-gather elements supported per wide adapter. + */ +#define ADV_TOT_SG_LIST 64 + +/* + * Define Adv Library required per request scatter-gather element limit. + */ +#define ADV_MAX_SG_LIST 64 + +/* + * Scatter-Gather Definitions per request. + * + * Because SG block memory is allocated in virtual memory but is + * referenced by the microcode as physical memory, we need to do + * calculations to insure there will be enough physically contiguous + * memory to support ADV_MAX_SG_LIST SG entries. + */ + +/* Number of SG blocks needed. */ +#define ADV_NUM_SG_BLOCK \ + ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK) + +/* Total contiguous memory needed for SG blocks. */ +#define ADV_SG_TOTAL_MEM_SIZE \ + (sizeof(ADV_SG_BLOCK) * ADV_NUM_SG_BLOCK) + +#define ASC_PAGE_SIZE PAGE_SIZE + +/* + * Number of page crossings possible for the total contiguous virtual memory + * needed for SG blocks. + * + * We need to allocate this many additional SG blocks in virtual memory to + * insure there will be space for ADV_NUM_SG_BLOCK physically contiguous + * scatter-gather blocks. + */ +#define ADV_NUM_PAGE_CROSSING \ + ((ADV_SG_TOTAL_MEM_SIZE + (ASC_PAGE_SIZE - 1))/ASC_PAGE_SIZE) + +/* + * Define Adv Library Assertion Macro. + */ + +#define ADV_ASSERT(a) ASC_ASSERT(a) + +/* a_condor.h */ +#define ADV_PCI_VENDOR_ID 0x10CD +#define ADV_PCI_DEVICE_ID_REV_A 0x2300 + +#define ASC_EEP_DVC_CFG_BEGIN (0x00) +#define ASC_EEP_DVC_CFG_END (0x15) +#define ASC_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */ +#define ASC_EEP_MAX_WORD_ADDR (0x1E) + +#define ASC_EEP_DELAY_MS 100 + +/* + * EEPROM bits reference by the RISC after initialization. + */ +#define ADV_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */ +#define ADV_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */ +#define ADV_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */ + +/* + * EEPROM configuration format + * + * Field naming convention: + * + * *_enable indicates the field enables or disables the feature. The + * value is never reset. + * + * *_able indicates both whether a feature should be enabled or disabled + * and whether a device isi capable of the feature. At initialization + * this field may be set, but later if a device is found to be incapable + * of the feature, the field is cleared. + * + * Default values are maintained in a_init.c in the structure + * Default_EEPROM_Config. + */ +typedef struct adveep_config +{ + /* Word Offset, Description */ + + ushort cfg_lsw; /* 00 power up initialization */ + /* bit 13 set - Term Polarity Control */ + /* bit 14 set - BIOS Enable */ + /* bit 15 set - Big Endian Mode */ + ushort cfg_msw; /* 01 unused */ + ushort disc_enable; /* 02 disconnect enable */ + ushort wdtr_able; /* 03 Wide DTR able */ + ushort sdtr_able; /* 04 Synchronous DTR able */ + ushort start_motor; /* 05 send start up motor */ + ushort tagqng_able; /* 06 tag queuing able */ + ushort bios_scan; /* 07 BIOS device control */ + ushort scam_tolerant; /* 08 no scam */ + + uchar adapter_scsi_id; /* 09 Host Adapter ID */ + uchar bios_boot_delay; /* power up wait */ + + uchar scsi_reset_delay; /* 10 reset delay */ + uchar bios_id_lun; /* first boot device scsi id & lun */ + /* high nibble is lun */ + /* low nibble is scsi id */ + + uchar termination; /* 11 0 - automatic */ + /* 1 - low off / high off */ + /* 2 - low off / high on */ + /* 3 - low on / high on */ + /* There is no low on / high off */ + + uchar reserved1; /* reserved byte (not used) */ + + ushort bios_ctrl; /* 12 BIOS control bits */ + /* bit 0 set: BIOS don't act as initiator. */ + /* bit 1 set: BIOS > 1 GB support */ + /* bit 2 set: BIOS > 2 Disk Support */ + /* bit 3 set: BIOS don't support removables */ + /* bit 4 set: BIOS support bootable CD */ + /* bit 5 set: */ + /* bit 6 set: BIOS support multiple LUNs */ + /* bit 7 set: BIOS display of message */ + /* bit 8 set: */ + /* bit 9 set: Reset SCSI bus during init. */ + /* bit 10 set: */ + /* bit 11 set: No verbose initialization. */ + /* bit 12 set: SCSI parity enabled */ + /* bit 13 set: */ + /* bit 14 set: */ + /* bit 15 set: */ + ushort ultra_able; /* 13 ULTRA speed able */ + ushort reserved2; /* 14 reserved */ + uchar max_host_qng; /* 15 maximum host queuing */ + uchar max_dvc_qng; /* maximum per device queuing */ + ushort dvc_cntl; /* 16 control bit for driver */ + ushort bug_fix; /* 17 control bit for bug fix */ + ushort serial_number_word1; /* 18 Board serial number word 1 */ + ushort serial_number_word2; /* 19 Board serial number word 2 */ + ushort serial_number_word3; /* 20 Board serial number word 3 */ + ushort check_sum; /* 21 EEP check sum */ + uchar oem_name[16]; /* 22 OEM name */ + ushort dvc_err_code; /* 30 last device driver error code */ + ushort adv_err_code; /* 31 last uc and Adv Lib error code */ + ushort adv_err_addr; /* 32 last uc error address */ + ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */ + ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */ + ushort saved_adv_err_addr; /* 35 saved last uc error address */ + ushort num_of_err; /* 36 number of error */ +} ADVEEP_CONFIG; + +/* + * EEPROM Commands + */ +#define ASC_EEP_CMD_DONE 0x0200 +#define ASC_EEP_CMD_DONE_ERR 0x0001 + +/* cfg_word */ +#define EEP_CFG_WORD_BIG_ENDIAN 0x8000 + +/* bios_ctrl */ +#define BIOS_CTRL_BIOS 0x0001 +#define BIOS_CTRL_EXTENDED_XLAT 0x0002 +#define BIOS_CTRL_GT_2_DISK 0x0004 +#define BIOS_CTRL_BIOS_REMOVABLE 0x0008 +#define BIOS_CTRL_BOOTABLE_CD 0x0010 +#define BIOS_CTRL_MULTIPLE_LUN 0x0040 +#define BIOS_CTRL_DISPLAY_MSG 0x0080 +#define BIOS_CTRL_NO_SCAM 0x0100 +#define BIOS_CTRL_RESET_SCSI_BUS 0x0200 +#define BIOS_CTRL_INIT_VERBOSE 0x0800 +#define BIOS_CTRL_SCSI_PARITY 0x1000 + +/* + * ASC 3550 Internal Memory Size - 8KB + */ +#define ADV_CONDOR_MEMSIZE 0x2000 /* 8 KB Internal Memory */ + +/* + * ASC 3550 I/O Length - 64 bytes + */ +#define ADV_CONDOR_IOLEN 0x40 /* I/O Port Range in bytes */ + +/* + * Byte I/O register address from base of 'iop_base'. + */ +#define IOPB_INTR_STATUS_REG 0x00 +#define IOPB_CHIP_ID_1 0x01 +#define IOPB_INTR_ENABLES 0x02 +#define IOPB_CHIP_TYPE_REV 0x03 +#define IOPB_RES_ADDR_4 0x04 +#define IOPB_RES_ADDR_5 0x05 +#define IOPB_RAM_DATA 0x06 +#define IOPB_RES_ADDR_7 0x07 +#define IOPB_FLAG_REG 0x08 +#define IOPB_RES_ADDR_9 0x09 +#define IOPB_RISC_CSR 0x0A +#define IOPB_RES_ADDR_B 0x0B +#define IOPB_RES_ADDR_C 0x0C +#define IOPB_RES_ADDR_D 0x0D +#define IOPB_RES_ADDR_E 0x0E +#define IOPB_RES_ADDR_F 0x0F +#define IOPB_MEM_CFG 0x10 +#define IOPB_RES_ADDR_11 0x11 +#define IOPB_RES_ADDR_12 0x12 +#define IOPB_RES_ADDR_13 0x13 +#define IOPB_FLASH_PAGE 0x14 +#define IOPB_RES_ADDR_15 0x15 +#define IOPB_RES_ADDR_16 0x16 +#define IOPB_RES_ADDR_17 0x17 +#define IOPB_FLASH_DATA 0x18 +#define IOPB_RES_ADDR_19 0x19 +#define IOPB_RES_ADDR_1A 0x1A +#define IOPB_RES_ADDR_1B 0x1B +#define IOPB_RES_ADDR_1C 0x1C +#define IOPB_RES_ADDR_1D 0x1D +#define IOPB_RES_ADDR_1E 0x1E +#define IOPB_RES_ADDR_1F 0x1F +#define IOPB_DMA_CFG0 0x20 +#define IOPB_DMA_CFG1 0x21 +#define IOPB_TICKLE 0x22 +#define IOPB_DMA_REG_WR 0x23 +#define IOPB_SDMA_STATUS 0x24 +#define IOPB_SCSI_BYTE_CNT 0x25 +#define IOPB_HOST_BYTE_CNT 0x26 +#define IOPB_BYTE_LEFT_TO_XFER 0x27 +#define IOPB_BYTE_TO_XFER_0 0x28 +#define IOPB_BYTE_TO_XFER_1 0x29 +#define IOPB_BYTE_TO_XFER_2 0x2A +#define IOPB_BYTE_TO_XFER_3 0x2B +#define IOPB_ACC_GRP 0x2C +#define IOPB_RES_ADDR_2D 0x2D +#define IOPB_DEV_ID 0x2E +#define IOPB_RES_ADDR_2F 0x2F +#define IOPB_SCSI_DATA 0x30 +#define IOPB_RES_ADDR_31 0x31 +#define IOPB_RES_ADDR_32 0x32 +#define IOPB_SCSI_DATA_HSHK 0x33 +#define IOPB_SCSI_CTRL 0x34 +#define IOPB_RES_ADDR_35 0x35 +#define IOPB_RES_ADDR_36 0x36 +#define IOPB_RES_ADDR_37 0x37 +#define IOPB_RES_ADDR_38 0x38 +#define IOPB_RES_ADDR_39 0x39 +#define IOPB_RES_ADDR_3A 0x3A +#define IOPB_RES_ADDR_3B 0x3B +#define IOPB_RFIFO_CNT 0x3C +#define IOPB_RES_ADDR_3D 0x3D +#define IOPB_RES_ADDR_3E 0x3E +#define IOPB_RES_ADDR_3F 0x3F + +/* + * Word I/O register address from base of 'iop_base'. + */ +#define IOPW_CHIP_ID_0 0x00 /* CID0 */ +#define IOPW_CTRL_REG 0x02 /* CC */ +#define IOPW_RAM_ADDR 0x04 /* LA */ +#define IOPW_RAM_DATA 0x06 /* LD */ +#define IOPW_RES_ADDR_08 0x08 +#define IOPW_RISC_CSR 0x0A /* CSR */ +#define IOPW_SCSI_CFG0 0x0C /* CFG0 */ +#define IOPW_SCSI_CFG1 0x0E /* CFG1 */ +#define IOPW_RES_ADDR_10 0x10 +#define IOPW_SEL_MASK 0x12 /* SM */ +#define IOPW_RES_ADDR_14 0x14 +#define IOPW_FLASH_ADDR 0x16 /* FA */ +#define IOPW_RES_ADDR_18 0x18 +#define IOPW_EE_CMD 0x1A /* EC */ +#define IOPW_EE_DATA 0x1C /* ED */ +#define IOPW_SFIFO_CNT 0x1E /* SFC */ +#define IOPW_RES_ADDR_20 0x20 +#define IOPW_Q_BASE 0x22 /* QB */ +#define IOPW_QP 0x24 /* QP */ +#define IOPW_IX 0x26 /* IX */ +#define IOPW_SP 0x28 /* SP */ +#define IOPW_PC 0x2A /* PC */ +#define IOPW_RES_ADDR_2C 0x2C +#define IOPW_RES_ADDR_2E 0x2E +#define IOPW_SCSI_DATA 0x30 /* SD */ +#define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */ +#define IOPW_SCSI_CTRL 0x34 /* SC */ +#define IOPW_HSHK_CFG 0x36 /* HCFG */ +#define IOPW_SXFR_STATUS 0x36 /* SXS */ +#define IOPW_SXFR_CNTL 0x38 /* SXL */ +#define IOPW_SXFR_CNTH 0x3A /* SXH */ +#define IOPW_RES_ADDR_3C 0x3C +#define IOPW_RFIFO_DATA 0x3E /* RFD */ + +/* + * Doubleword I/O register address from base of 'iop_base'. + */ +#define IOPDW_RES_ADDR_0 0x00 +#define IOPDW_RAM_DATA 0x04 +#define IOPDW_RES_ADDR_8 0x08 +#define IOPDW_RES_ADDR_C 0x0C +#define IOPDW_RES_ADDR_10 0x10 +#define IOPDW_RES_ADDR_14 0x14 +#define IOPDW_RES_ADDR_18 0x18 +#define IOPDW_RES_ADDR_1C 0x1C +#define IOPDW_SDMA_ADDR0 0x20 +#define IOPDW_SDMA_ADDR1 0x24 +#define IOPDW_SDMA_COUNT 0x28 +#define IOPDW_SDMA_ERROR 0x2C +#define IOPDW_RDMA_ADDR0 0x30 +#define IOPDW_RDMA_ADDR1 0x34 +#define IOPDW_RDMA_COUNT 0x38 +#define IOPDW_RDMA_ERROR 0x3C + +#define ADV_CHIP_ID_BYTE 0x25 +#define ADV_CHIP_ID_WORD 0x04C1 + +#define ADV_SC_SCSI_BUS_RESET 0x2000 + +#define ADV_INTR_ENABLE_HOST_INTR 0x01 +#define ADV_INTR_ENABLE_SEL_INTR 0x02 +#define ADV_INTR_ENABLE_DPR_INTR 0x04 +#define ADV_INTR_ENABLE_RTA_INTR 0x08 +#define ADV_INTR_ENABLE_RMA_INTR 0x10 +#define ADV_INTR_ENABLE_RST_INTR 0x20 +#define ADV_INTR_ENABLE_DPE_INTR 0x40 +#define ADV_INTR_ENABLE_GLOBAL_INTR 0x80 + +#define ADV_INTR_STATUS_INTRA 0x01 +#define ADV_INTR_STATUS_INTRB 0x02 +#define ADV_INTR_STATUS_INTRC 0x04 + +#define ADV_RISC_CSR_STOP (0x0000) +#define ADV_RISC_TEST_COND (0x2000) +#define ADV_RISC_CSR_RUN (0x4000) +#define ADV_RISC_CSR_SINGLE_STEP (0x8000) + +#define ADV_CTRL_REG_HOST_INTR 0x0100 +#define ADV_CTRL_REG_SEL_INTR 0x0200 +#define ADV_CTRL_REG_DPR_INTR 0x0400 +#define ADV_CTRL_REG_RTA_INTR 0x0800 +#define ADV_CTRL_REG_RMA_INTR 0x1000 +#define ADV_CTRL_REG_RES_BIT14 0x2000 +#define ADV_CTRL_REG_DPE_INTR 0x4000 +#define ADV_CTRL_REG_POWER_DONE 0x8000 +#define ADV_CTRL_REG_ANY_INTR 0xFF00 + +#define ADV_CTRL_REG_CMD_RESET 0x00C6 +#define ADV_CTRL_REG_CMD_WR_IO_REG 0x00C5 +#define ADV_CTRL_REG_CMD_RD_IO_REG 0x00C4 +#define ADV_CTRL_REG_CMD_WR_PCI_CFG_SPACE 0x00C3 +#define ADV_CTRL_REG_CMD_RD_PCI_CFG_SPACE 0x00C2 + +#define ADV_SCSI_CTRL_RSTOUT 0x2000 + +#define AdvIsIntPending(port) \ + (AdvReadWordRegister(port, IOPW_CTRL_REG) & ADV_CTRL_REG_HOST_INTR) + +/* + * SCSI_CFG0 Register bit definitions + */ +#define TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */ +#define PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */ +#define EVEN_PARITY 0x1000 /* Select Even Parity */ +#define WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */ +#define QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */ +#define PRIM_MODE 0x0100 /* Primitive SCSI mode */ +#define SCAM_EN 0x0080 /* Enable SCAM selection */ +#define SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */ +#define CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */ +#define OUR_ID_EN 0x0010 /* Enable OUR_ID bits */ +#define OUR_ID 0x000F /* SCSI ID */ + +/* + * SCSI_CFG1 Register bit definitions + */ +#define BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */ +#define TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */ +#define SLEW_RATE 0x1000 /* SCSI output buffer slew rate */ +#define FILTER_SEL 0x0C00 /* Filter Period Selection */ +#define FLTR_DISABLE 0x0000 /* Input Filtering Disabled */ +#define FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */ +#define FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */ +#define ACTIVE_DBL 0x0200 /* Disable Active Negation */ +#define DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */ +#define DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */ +#define TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */ +#define TERM_CTL 0x0030 /* External SCSI Termination Bits */ +#define TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */ +#define TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */ +#define CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */ + +#define CABLE_ILLEGAL_A 0x7 + /* x 0 0 0 | on on | Illegal (all 3 connectors are used) */ + +#define CABLE_ILLEGAL_B 0xB + /* 0 x 0 0 | on on | Illegal (all 3 connectors are used) */ + +/* + The following table details the SCSI_CFG1 Termination Polarity, + Termination Control and Cable Detect bits. + + Cable Detect | Termination + Bit 3 2 1 0 | 5 4 | Notes + _____________|________|____________________ + 1 1 1 0 | on on | Internal wide only + 1 1 0 1 | on on | Internal narrow only + 1 0 1 1 | on on | External narrow only + 0 x 1 1 | on on | External wide only + 1 1 0 0 | on off| Internal wide and internal narrow + 1 0 1 0 | on off| Internal wide and external narrow + 0 x 1 0 | off off| Internal wide and external wide + 1 0 0 1 | on off| Internal narrow and external narrow + 0 x 0 1 | on off| Internal narrow and external wide + 1 1 1 1 | on on | No devices are attached + x 0 0 0 | on on | Illegal (all 3 connectors are used) + 0 x 0 0 | on on | Illegal (all 3 connectors are used) + + x means don't-care (either '0' or '1') + + If term_pol (bit 13) is '0' (active-low terminator enable), then: + 'on' is '0' and 'off' is '1'. + + If term_pol bit is '1' (meaning active-hi terminator enable), then: + 'on' is '1' and 'off' is '0'. + */ + +/* + * MEM_CFG Register bit definitions + */ +#define BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */ +#define FAST_EE_CLK 0x20 /* Diagnostic Bit */ +#define RAM_SZ 0x1C /* Specify size of RAM to RISC */ +#define RAM_SZ_2KB 0x00 /* 2 KB */ +#define RAM_SZ_4KB 0x04 /* 4 KB */ +#define RAM_SZ_8KB 0x08 /* 8 KB */ +#define RAM_SZ_16KB 0x0C /* 16 KB */ +#define RAM_SZ_32KB 0x10 /* 32 KB */ +#define RAM_SZ_64KB 0x14 /* 64 KB */ + +/* + * DMA_CFG0 Register bit definitions + * + * This register is only accessible to the host. + */ +#define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */ +#define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */ +#define FIFO_THRESH_16B 0x00 /* 16 bytes */ +#define FIFO_THRESH_32B 0x20 /* 32 bytes */ +#define FIFO_THRESH_48B 0x30 /* 48 bytes */ +#define FIFO_THRESH_64B 0x40 /* 64 bytes */ +#define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */ +#define FIFO_THRESH_96B 0x60 /* 96 bytes */ +#define FIFO_THRESH_112B 0x70 /* 112 bytes */ +#define START_CTL 0x0C /* DMA start conditions */ +#define START_CTL_TH 0x00 /* Wait threshold level (default) */ +#define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */ +#define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */ +#define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */ +#define READ_CMD 0x03 /* Memory Read Method */ +#define READ_CMD_MR 0x00 /* Memory Read */ +#define READ_CMD_MRL 0x02 /* Memory Read Long */ +#define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */ + +/* a_advlib.h */ + +/* + * Adv Library Status Definitions + */ +#define ADV_TRUE 1 +#define ADV_FALSE 0 +#define ADV_NOERROR 1 +#define ADV_SUCCESS 1 +#define ADV_BUSY 0 +#define ADV_ERROR (-1) + + +/* + * ASC_DVC_VAR 'warn_code' values + */ +#define ASC_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */ +#define ASC_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */ +#define ASC_WARN_SET_PCI_CONFIG_SPACE 0x0080 /* PCI config space set error */ +#define ASC_WARN_ERROR 0xFFFF /* ADV_ERROR return */ + +#define ADV_MAX_TID 15 /* max. target identifier */ +#define ADV_MAX_LUN 7 /* max. logical unit number */ + + +/* + * AscInitGetConfig() and AscInitAsc1000Driver() Definitions + * + * Error code values are set in ASC_DVC_VAR 'err_code'. + */ +#define ASC_IERR_WRITE_EEPROM 0x0001 /* write EEPROM error */ +#define ASC_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */ +#define ASC_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */ +#define ASC_IERR_CHIP_VERSION 0x0040 /* wrong chip version */ +#define ASC_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */ +#define ASC_IERR_BAD_SIGNATURE 0x0200 /* signature not found */ +#define ASC_IERR_ILLEGAL_CONNECTION 0x0400 /* Illegal cable connection */ +#define ASC_IERR_SINGLE_END_DEVICE 0x0800 /* Single-end used w/differential */ +#define ASC_IERR_REVERSED_CABLE 0x1000 /* Narrow flat cable reversed */ +#define ASC_IERR_RW_LRAM 0x8000 /* read/write local RAM error */ + +/* + * Fixed locations of microcode operating variables. + */ +#define ASC_MC_CODE_BEGIN_ADDR 0x0028 /* microcode start address */ +#define ASC_MC_CODE_END_ADDR 0x002A /* microcode end address */ +#define ASC_MC_CODE_CHK_SUM 0x002C /* microcode code checksum */ +#define ASC_MC_STACK_BEGIN 0x002E /* microcode stack begin */ +#define ASC_MC_STACK_END 0x0030 /* microcode stack end */ +#define ASC_MC_VERSION_DATE 0x0038 /* microcode version */ +#define ASC_MC_VERSION_NUM 0x003A /* microcode number */ +#define ASCV_VER_SERIAL_W 0x003C /* used in dos_init */ +#define ASC_MC_BIOSMEM 0x0040 /* BIOS RISC Memory Start */ +#define ASC_MC_BIOSLEN 0x0050 /* BIOS RISC Memory Length */ +#define ASC_MC_HALTCODE 0x0094 /* microcode halt code */ +#define ASC_MC_CALLERPC 0x0096 /* microcode halt caller PC */ +#define ASC_MC_ADAPTER_SCSI_ID 0x0098 /* one ID byte + reserved */ +#define ASC_MC_ULTRA_ABLE 0x009C +#define ASC_MC_SDTR_ABLE 0x009E +#define ASC_MC_TAGQNG_ABLE 0x00A0 +#define ASC_MC_DISC_ENABLE 0x00A2 +#define ASC_MC_IDLE_CMD 0x00A6 +#define ASC_MC_IDLE_PARA_STAT 0x00A8 +#define ASC_MC_DEFAULT_SCSI_CFG0 0x00AC +#define ASC_MC_DEFAULT_SCSI_CFG1 0x00AE +#define ASC_MC_DEFAULT_MEM_CFG 0x00B0 +#define ASC_MC_DEFAULT_SEL_MASK 0x00B2 +#define ASC_MC_RISC_NEXT_READY 0x00B4 +#define ASC_MC_RISC_NEXT_DONE 0x00B5 +#define ASC_MC_SDTR_DONE 0x00B6 +#define ASC_MC_NUMBER_OF_QUEUED_CMD 0x00C0 +#define ASC_MC_NUMBER_OF_MAX_CMD 0x00D0 +#define ASC_MC_DEVICE_HSHK_CFG_TABLE 0x0100 +#define ASC_MC_WDTR_ABLE 0x0120 /* Wide Transfer TID bitmask. */ +#define ASC_MC_CONTROL_FLAG 0x0122 /* Microcode control flag. */ +#define ASC_MC_WDTR_DONE 0x0124 +#define ASC_MC_HOST_NEXT_READY 0x0128 /* Host Next Ready RQL Entry. */ +#define ASC_MC_HOST_NEXT_DONE 0x0129 /* Host Next Done RQL Entry. */ + +/* + * BIOS LRAM variable absolute offsets. + */ +#define BIOS_CODESEG 0x54 +#define BIOS_CODELEN 0x56 +#define BIOS_SIGNATURE 0x58 +#define BIOS_VERSION 0x5A +#define BIOS_SIGNATURE 0x58 + +/* + * Microcode Control Flags + * + * Flags set by the Adv Library in RISC variable 'control_flag' (0x122) + * and handled by the microcode. + */ +#define CONTROL_FLAG_IGNORE_PERR 0x0001 /* Ignore DMA Parity Errors */ + +/* + * ASC_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format + */ +#define HSHK_CFG_WIDE_XFR 0x8000 +#define HSHK_CFG_RATE 0x0F00 +#define HSHK_CFG_OFFSET 0x001F + +/* + * LRAM RISC Queue Lists (LRAM addresses 0x1200 - 0x19FF) + * + * Each of the 255 Adv Library/Microcode RISC queue lists or mailboxes + * starting at LRAM address 0x1200 is 8 bytes and has the following + * structure. Only 253 of these are actually used for command queues. + */ + +#define ASC_MC_RISC_Q_LIST_BASE 0x1200 +#define ASC_MC_RISC_Q_LIST_SIZE 0x0008 +#define ASC_MC_RISC_Q_TOTAL_CNT 0x00FF /* Num. queue slots in LRAM. */ +#define ASC_MC_RISC_Q_FIRST 0x0001 +#define ASC_MC_RISC_Q_LAST 0x00FF + +#define ASC_DEF_MAX_HOST_QNG 0xFD /* Max. number of host commands (253) */ +#define ASC_DEF_MIN_HOST_QNG 0x10 /* Min. number of host commands (16) */ +#define ASC_DEF_MAX_DVC_QNG 0x3F /* Max. number commands per device (63) */ +#define ASC_DEF_MIN_DVC_QNG 0x04 /* Min. number commands per device (4) */ + +/* RISC Queue List structure - 8 bytes */ +#define RQL_FWD 0 /* forward pointer (1 byte) */ +#define RQL_BWD 1 /* backward pointer (1 byte) */ +#define RQL_STATE 2 /* state byte - free, ready, done, aborted (1 byte) */ +#define RQL_TID 3 /* request target id (1 byte) */ +#define RQL_PHYADDR 4 /* request physical pointer (4 bytes) */ + +/* RISC Queue List state values */ +#define ASC_MC_QS_FREE 0x00 +#define ASC_MC_QS_READY 0x01 +#define ASC_MC_QS_DONE 0x40 +#define ASC_MC_QS_ABORTED 0x80 + +/* RISC Queue List pointer values */ +#define ASC_MC_NULL_Q 0x00 /* NULL_Q == 0 */ +#define ASC_MC_BIOS_Q 0xFF /* BIOS_Q = 255 */ + +/* ASC_SCSI_REQ_Q 'cntl' field values */ +#define ASC_MC_QC_START_MOTOR 0x02 /* Issue start motor. */ +#define ASC_MC_QC_NO_OVERRUN 0x04 /* Don't report overrun. */ +#define ASC_MC_QC_FIRST_DMA 0x08 /* Internal microcode flag. */ +#define ASC_MC_QC_ABORTED 0x10 /* Request aborted by host. */ +#define ASC_MC_QC_REQ_SENSE 0x20 /* Auto-Request Sense. */ +#define ASC_MC_QC_DOS_REQ 0x80 /* Request issued by DOS. */ + + +/* + * ASC_SCSI_REQ_Q 'a_flag' definitions + * + * The Adv Library should limit use to the lower nibble (4 bits) of + * a_flag. Drivers are free to use the upper nibble (4 bits) of a_flag. + */ +#define ADV_POLL_REQUEST 0x01 /* poll for request completion */ +#define ADV_SCSIQ_DONE 0x02 /* request done */ + +/* + * Adapter temporary configuration structure + * + * This structure can be discarded after initialization. Don't add + * fields here needed after initialization. + * + * Field naming convention: + * + * *_enable indicates the field enables or disables a feature. The + * value of the field is never reset. + */ +typedef struct adv_dvc_cfg { + ushort disc_enable; /* enable disconnection */ + uchar chip_version; /* chip version */ + uchar termination; /* Term. Ctrl. bits 6-5 of SCSI_CFG1 register */ + ushort pci_device_id; /* PCI device code number */ + ushort lib_version; /* Adv Library version number */ + ushort control_flag; /* Microcode Control Flag */ + ushort mcode_date; /* Microcode date */ + ushort mcode_version; /* Microcode version */ + ushort pci_slot_info; /* high byte device/function number */ + /* bits 7-3 device num., bits 2-0 function num. */ + /* low byte bus num. */ + ushort bios_boot_wait; /* BIOS boot time delay */ + ushort serial1; /* EEPROM serial number word 1 */ + ushort serial2; /* EEPROM serial number word 2 */ + ushort serial3; /* EEPROM serial number word 3 */ +} ADV_DVC_CFG; + +/* + * Adapter operation variable structure. + * + * One structure is required per host adapter. + * + * Field naming convention: + * + * *_able indicates both whether a feature should be enabled or disabled + * and whether a device isi capable of the feature. At initialization + * this field may be set, but later if a device is found to be incapable + * of the feature, the field is cleared. + */ +typedef struct adv_dvc_var { + AdvPortAddr iop_base; /* I/O port address */ + ushort err_code; /* fatal error code */ + ushort bios_ctrl; /* BIOS control word, EEPROM word 12 */ + Ptr2Func isr_callback; /* pointer to function, called in AdvISR() */ + Ptr2Func sbreset_callback; /* pointer to function, called in AdvISR() */ + ushort wdtr_able; /* try WDTR for a device */ + ushort sdtr_able; /* try SDTR for a device */ + ushort ultra_able; /* try SDTR Ultra speed for a device */ + ushort tagqng_able; /* try tagged queuing with a device */ + uchar max_dvc_qng; /* maximum number of tagged commands per device */ + ushort start_motor; /* start motor command allowed */ + uchar scsi_reset_wait; /* delay in seconds after scsi bus reset */ + uchar chip_no; /* should be assigned by caller */ + uchar max_host_qng; /* maximum number of Q'ed command allowed */ + uchar cur_host_qng; /* total number of queue command */ + uchar irq_no; /* IRQ number */ + ushort no_scam; /* scam_tolerant of EEPROM */ + ushort idle_cmd_done; /* microcode idle command done set by AdvISR() */ + ulong drv_ptr; /* driver pointer to private structure */ + uchar chip_scsi_id; /* chip SCSI target ID */ + /* + * Note: The following fields will not be used after initialization. The + * driver may discard the buffer after initialization is done. + */ + ADV_DVC_CFG *cfg; /* temporary configuration structure */ +} ADV_DVC_VAR; + +#define NO_OF_SG_PER_BLOCK 15 + +typedef struct asc_sg_block { + uchar reserved1; + uchar reserved2; + uchar first_entry_no; /* starting entry number */ + uchar last_entry_no; /* last entry number */ + struct asc_sg_block *sg_ptr; /* links to the next sg block */ + struct { + ulong sg_addr; /* SG element address */ + ulong sg_count; /* SG element count */ + } sg_list[NO_OF_SG_PER_BLOCK]; +} ADV_SG_BLOCK; + +/* + * ASC_SCSI_REQ_Q - microcode request structure + * + * All fields in this structure up to byte 60 are used by the microcode. + * The microcode makes assumptions about the size and ordering of fields + * in this structure. Do not change the structure definition here without + * coordinating the change with the microcode. + */ +typedef struct adv_scsi_req_q { + uchar cntl; /* Ucode flags and state (ASC_MC_QC_*). */ + uchar sg_entry_cnt; /* SG element count. Zero for no SG. */ + uchar target_id; /* Device target identifier. */ + uchar target_lun; /* Device target logical unit number. */ + ulong data_addr; /* Data buffer physical address. */ + ulong data_cnt; /* Data count. Ucode sets to residual. */ + ulong sense_addr; /* Sense buffer physical address. */ + ulong srb_ptr; /* Driver request pointer. */ + uchar a_flag; /* Adv Library flag field. */ + uchar sense_len; /* Auto-sense length. Ucode sets to residual. */ + uchar cdb_len; /* SCSI CDB length. */ + uchar tag_code; /* SCSI-2 Tag Queue Code: 00, 20-22. */ + uchar done_status; /* Completion status. */ + uchar scsi_status; /* SCSI status byte. */ + uchar host_status; /* Ucode host status. */ + uchar ux_sg_ix; /* Ucode working SG variable. */ + uchar cdb[12]; /* SCSI command block. */ + ulong sg_real_addr; /* SG list physical address. */ + struct adv_scsi_req_q *free_scsiq_link; + ulong ux_wk_data_cnt; /* Saved data count at disconnection. */ + struct adv_scsi_req_q *scsiq_ptr; + ADV_SG_BLOCK *sg_list_ptr; /* SG list virtual address. */ + /* + * End of microcode structure - 60 bytes. The rest of the structure + * is used by the Adv Library and ignored by the microcode. + */ + ulong vsense_addr; /* Sense buffer virtual address. */ + ulong vdata_addr; /* Data buffer virtual address. */ + uchar orig_sense_len; /* Original length of sense buffer. */ +} ADV_SCSI_REQ_Q; /* BIOS - 70 bytes, DOS - 76 bytes, W95, WNT - 69 bytes */ + +/* + * Microcode idle loop commands + */ +#define IDLE_CMD_COMPLETED 0 +#define IDLE_CMD_STOP_CHIP 0x0001 +#define IDLE_CMD_STOP_CHIP_SEND_INT 0x0002 +#define IDLE_CMD_SEND_INT 0x0004 +#define IDLE_CMD_ABORT 0x0008 +#define IDLE_CMD_DEVICE_RESET 0x0010 +#define IDLE_CMD_SCSI_RESET 0x0020 + +/* + * AdvSendIdleCmd() flag definitions. + */ +#define ADV_NOWAIT 0x01 + +/* + * Wait loop time out values. + */ +#define SCSI_WAIT_10_SEC 10 /* 10 seconds */ +#define SCSI_MS_PER_SEC 1000 /* milliseconds per second */ + +/* + * Device drivers must define the following functions. + */ +STATIC int DvcEnterCritical(void); +STATIC void DvcLeaveCritical(int); +STATIC void DvcSleepMilliSecond(ulong); +STATIC uchar DvcAdvReadPCIConfigByte(ADV_DVC_VAR *, ushort); +STATIC void DvcAdvWritePCIConfigByte(ADV_DVC_VAR *, ushort, uchar); +STATIC ulong DvcGetPhyAddr(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *, + uchar *, long *, int); +STATIC void DvcDelayMicroSecond(ADV_DVC_VAR *, ushort); + +/* + * Adv Library functions available to drivers. + */ +STATIC int AdvExeScsiQueue(ADV_DVC_VAR *, + ADV_SCSI_REQ_Q *); +STATIC int AdvISR(ADV_DVC_VAR *); +STATIC int AdvInitGetConfig(ADV_DVC_VAR *); +STATIC int AdvInitAsc3550Driver(ADV_DVC_VAR *); +STATIC int AdvResetSB(ADV_DVC_VAR *); + +/* + * Internal Adv Library functions. + */ +STATIC int AdvSendIdleCmd(ADV_DVC_VAR *, ushort, ulong, int); +STATIC void AdvResetChip(ADV_DVC_VAR *); +STATIC int AdvSendScsiCmd(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); +STATIC void AdvInquiryHandling(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); +STATIC int AdvInitFromEEP(ADV_DVC_VAR *); +STATIC ushort AdvGetEEPConfig(AdvPortAddr, ADVEEP_CONFIG *); +STATIC void AdvSetEEPConfig(AdvPortAddr, ADVEEP_CONFIG *); +STATIC void AdvWaitEEPCmd(AdvPortAddr); +STATIC ushort AdvReadEEPWord(AdvPortAddr, int); +STATIC void AdvResetSCSIBus(ADV_DVC_VAR *); + +/* + * PCI Bus Definitions + */ +#define AscPCICmdRegBits_BusMastering 0x0007 +#define AscPCICmdRegBits_ParErrRespCtrl 0x0040 + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) + +/* Read byte from a register. */ +#define AdvReadByteRegister(iop_base, reg_off) \ + (inp((iop_base) + (reg_off))) + +/* Write byte to a register. */ +#define AdvWriteByteRegister(iop_base, reg_off, byte) \ + (outp((iop_base) + (reg_off), (byte))) + +/* Read word (2 bytes) from a register. */ +#define AdvReadWordRegister(iop_base, reg_off) \ + (inpw((iop_base) + (reg_off))) + +/* Write word (2 bytes) to a register. */ +#define AdvWriteWordRegister(iop_base, reg_off, word) \ + (outpw((iop_base) + (reg_off), (word))) + +/* Read byte from LRAM. */ +#define AdvReadByteLram(iop_base, addr, byte) \ +do { \ + outpw((iop_base) + IOPW_RAM_ADDR, (addr)); \ + (byte) = inp((iop_base) + IOPB_RAM_DATA); \ +} while (0) + +/* Write byte to LRAM. */ +#define AdvWriteByteLram(iop_base, addr, byte) \ + (outpw((iop_base) + IOPW_RAM_ADDR, (addr)), \ + outp((iop_base) + IOPB_RAM_DATA, (byte))) + +/* Read word (2 bytes) from LRAM. */ +#define AdvReadWordLram(iop_base, addr, word) \ +do { \ + outpw((iop_base) + IOPW_RAM_ADDR, (addr)); \ + (word) = inpw((iop_base) + IOPW_RAM_DATA); \ +} while (0) + +/* Write word (2 bytes) to LRAM. */ +#define AdvWriteWordLram(iop_base, addr, word) \ + (outpw((iop_base) + IOPW_RAM_ADDR, (addr)), \ + outpw((iop_base) + IOPW_RAM_DATA, (word))) + +/* Write double word (4 bytes) to LRAM */ +/* Because of unspecified C language ordering don't use auto-increment. */ +#define AdvWriteDWordLram(iop_base, addr, dword) \ + ((outpw((iop_base) + IOPW_RAM_ADDR, (addr)), \ + outpw((iop_base) + IOPW_RAM_DATA, (ushort) ((dword) & 0xFFFF))), \ + (outpw((iop_base) + IOPW_RAM_ADDR, (addr) + 2), \ + outpw((iop_base) + IOPW_RAM_DATA, (ushort) ((dword >> 16) & 0xFFFF)))) + +/* Read word (2 bytes) from LRAM assuming that the address is already set. */ +#define AdvReadWordAutoIncLram(iop_base) \ + (inpw((iop_base) + IOPW_RAM_DATA)) + +/* Write word (2 bytes) to LRAM assuming that the address is already set. */ +#define AdvWriteWordAutoIncLram(iop_base, word) \ + (outpw((iop_base) + IOPW_RAM_DATA, (word))) + +#else /* version >= v1,3,0 */ + +/* Read byte from a register. */ +#define AdvReadByteRegister(iop_base, reg_off) \ + (ADV_MEM_READB((iop_base) + (reg_off))) + +/* Write byte to a register. */ +#define AdvWriteByteRegister(iop_base, reg_off, byte) \ + (ADV_MEM_WRITEB((iop_base) + (reg_off), (byte))) + +/* Read word (2 bytes) from a register. */ +#define AdvReadWordRegister(iop_base, reg_off) \ + (ADV_MEM_READW((iop_base) + (reg_off))) + +/* Write word (2 bytes) to a register. */ +#define AdvWriteWordRegister(iop_base, reg_off, word) \ + (ADV_MEM_WRITEW((iop_base) + (reg_off), (word))) + +/* Read byte from LRAM. */ +#define AdvReadByteLram(iop_base, addr, byte) \ +do { \ + ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \ + (byte) = ADV_MEM_READB((iop_base) + IOPB_RAM_DATA); \ +} while (0) + +/* Write byte to LRAM. */ +#define AdvWriteByteLram(iop_base, addr, byte) \ + (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \ + ADV_MEM_WRITEB((iop_base) + IOPB_RAM_DATA, (byte))) + +/* Read word (2 bytes) from LRAM. */ +#define AdvReadWordLram(iop_base, addr, word) \ +do { \ + ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \ + (word) = ADV_MEM_READW((iop_base) + IOPW_RAM_DATA); \ +} while (0) + +/* Write word (2 bytes) to LRAM. */ +#define AdvWriteWordLram(iop_base, addr, word) \ + (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \ + ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word))) + +/* Write double word (4 bytes) to LRAM */ +/* Because of unspecified C language ordering don't use auto-increment. */ +#define AdvWriteDWordLram(iop_base, addr, dword) \ + ((ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \ + ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \ + (ushort) ((dword) & 0xFFFF))), \ + (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr) + 2), \ + ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \ + (ushort) ((dword >> 16) & 0xFFFF)))) + +/* Read word (2 bytes) from LRAM assuming that the address is already set. */ +#define AdvReadWordAutoIncLram(iop_base) \ + (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA)) + +/* Write word (2 bytes) to LRAM assuming that the address is already set. */ +#define AdvWriteWordAutoIncLram(iop_base, word) \ + (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word))) + +#endif /* version >= v1,3,0 */ + +/* + * Define macro to check for Condor signature. + * + * Evaluate to ADV_TRUE if a Condor chip is found the specified port + * address 'iop_base'. Otherwise evalue to ADV_FALSE. + */ +#define AdvFindSignature(iop_base) \ + (((AdvReadByteRegister((iop_base), IOPB_CHIP_ID_1) == \ + ADV_CHIP_ID_BYTE) && \ + (AdvReadWordRegister((iop_base), IOPW_CHIP_ID_0) == \ + ADV_CHIP_ID_WORD)) ? ADV_TRUE : ADV_FALSE) + +/* + * Define macro to Return the version number of the chip at 'iop_base'. + * + * The second parameter 'bus_type' is currently unused. + */ +#define AdvGetChipVersion(iop_base, bus_type) \ + AdvReadByteRegister((iop_base), IOPB_CHIP_TYPE_REV) + +/* + * Abort an SRB in the chip's RISC Memory. The 'srb_ptr' argument must + * match the ASC_SCSI_REQ_Q 'srb_ptr' field. + * + * If the request has not yet been sent to the device it will simply be + * aborted from RISC memory. If the request is disconnected it will be + * aborted on reselection by sending an Abort Message to the target ID. + * + * Return value: + * ADV_TRUE(1) - Queue was successfully aborted. + * ADV_FALSE(0) - Queue was not found on the active queue list. + */ +#define AdvAbortSRB(asc_dvc, srb_ptr) \ + AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_ABORT, \ + (ulong) (srb_ptr), 0) + +/* + * Send a Bus Device Reset Message to the specified target ID. + * + * All outstanding commands will be purged if sending the + * Bus Device Reset Message is successful. + * + * Return Value: + * ADV_TRUE(1) - All requests on the target are purged. + * ADV_FALSE(0) - Couldn't issue Bus Device Reset Message; Requests + * are not purged. + */ +#define AdvResetDevice(asc_dvc, target_id) \ + AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_DEVICE_RESET, \ + (ulong) (target_id), 0) + +/* + * SCSI Wide Type definition. + */ +#define ADV_SCSI_BIT_ID_TYPE ushort + +/* + * AdvInitScsiTarget() 'cntl_flag' options. + */ +#define ADV_SCAN_LUN 0x01 +#define ADV_CAPINFO_NOLUN 0x02 + +/* + * Convert target id to target id bit mask. + */ +#define ADV_TID_TO_TIDMASK(tid) (0x01 << ((tid) & ADV_MAX_TID)) + +/* + * ASC_SCSI_REQ_Q 'done_status' and 'host_status' return values. + */ + +#define QD_NO_STATUS 0x00 /* Request not completed yet. */ +#define QD_NO_ERROR 0x01 +#define QD_ABORTED_BY_HOST 0x02 +#define QD_WITH_ERROR 0x04 + +#define QHSTA_NO_ERROR 0x00 +#define QHSTA_M_SEL_TIMEOUT 0x11 +#define QHSTA_M_DATA_OVER_RUN 0x12 +#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13 +#define QHSTA_M_QUEUE_ABORTED 0x15 +#define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */ +#define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */ +#define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */ +#define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */ +#define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */ +#define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */ +#define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */ +/* Note: QHSTA_M_SXFR_XFR_OFLW is identical to QHSTA_M_DATA_OVER_RUN. */ +#define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */ +#define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */ +#define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */ +#define QHSTA_M_WTM_TIMEOUT 0x41 +#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42 +#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43 +#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44 +#define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */ + +typedef int (* ADV_ISR_CALLBACK) + (ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); + +typedef int (* ADV_SBRESET_CALLBACK) + (ADV_DVC_VAR *); + +/* + * Default EEPROM Configuration structure defined in a_init.c. + */ +extern ADVEEP_CONFIG Default_EEPROM_Config; + +/* + * DvcGetPhyAddr() flag arguments + */ +#define ADV_IS_SCSIQ_FLAG 0x01 /* 'addr' is ASC_SCSI_REQ_Q pointer */ +#define ADV_ASCGETSGLIST_VADDR 0x02 /* 'addr' is AscGetSGList() virtual addr */ +#define ADV_IS_SENSE_FLAG 0x04 /* 'addr' is sense virtual pointer */ +#define ADV_IS_DATA_FLAG 0x08 /* 'addr' is data virtual pointer */ +#define ADV_IS_SGLIST_FLAG 0x10 /* 'addr' is sglist virtual pointer */ + +/* Return the address that is aligned at the next doubleword >= to 'addr'. */ +#define ADV_DWALIGN(addr) (((ulong) (addr) + 0x3) & ~0x3) + +/* + * Total contiguous memory needed for driver SG blocks. + * + * ADV_MAX_SG_LIST must be defined by a driver. It is the maximum + * number of scatter-gather elements the driver supports in a + * single request. + */ + +#ifndef ADV_MAX_SG_LIST +Forced Error: Driver must define ADV_MAX_SG_LIST. +#endif /* ADV_MAX_SG_LIST */ + +#define ADV_SG_LIST_MAX_BYTE_SIZE \ + (sizeof(ADV_SG_BLOCK) * \ + ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK)) + +/* + * A driver may optionally define the assertion macro ADV_ASSERT() in + * its d_os_dep.h file. If the macro has not already been defined, + * then define the macro to a no-op. + */ +#ifndef ADV_ASSERT +#define ADV_ASSERT(a) +#endif /* ADV_ASSERT */ + + +/* + * --- Driver Constants and Macros + */ + +#define ASC_NUM_BOARD_SUPPORTED 16 +#define ASC_NUM_IOPORT_PROBE 4 +#define ASC_NUM_BUS 4 + +/* Reference Scsi_Host hostdata */ +#define ASC_BOARDP(host) ((asc_board_t *) &((host)->hostdata)) + +/* asc_board_t flags */ +#define ASC_HOST_IN_RESET 0x01 +#define ASC_HOST_IN_ABORT 0x02 +#define ASC_IS_WIDE_BOARD 0x04 /* AdvanSys Wide Board */ +#define ASC_SELECT_QUEUE_DEPTHS 0x08 + +#define ASC_NARROW_BOARD(boardp) (((boardp)->flags & ASC_IS_WIDE_BOARD) == 0) +#define ASC_WIDE_BOARD(boardp) ((boardp)->flags & ASC_IS_WIDE_BOARD) + +#define NO_ISA_DMA 0xff /* No ISA DMA Channel Used */ + +/* + * If the Linux kernel version supports freeing initialization code + * and data after loading, define macros for this purpose. These macros + * are not used when the driver is built as a module, cf. linux/init.h. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,23) +#define ASC_INITFUNC(func) func +#define ASC_INITDATA +#define ASC_INIT +#else /* version >= v2.1.23 */ +#define ASC_INITFUNC(func) __initfunc(func) +#define ASC_INITDATA __initdata +#define ASC_INIT __init +#endif /* version >= v2.1.23 */ + +#define ASC_INFO_SIZE 128 /* advansys_info() line size */ + +/* /proc/scsi/advansys/[0...] related definitions */ +#define ASC_PRTBUF_SIZE 2048 +#define ASC_PRTLINE_SIZE 160 + +#define ASC_PRT_NEXT() \ + if (cp) { \ + totlen += len; \ + leftlen -= len; \ + if (leftlen == 0) { \ + return totlen; \ + } \ + cp += len; \ + } + +#define ASC_MIN(a, b) (((a) < (b)) ? (a) : (b)) + +/* Asc Library return codes */ +#define ASC_TRUE 1 +#define ASC_FALSE 0 +#define ASC_NOERROR 1 +#define ASC_BUSY 0 +#define ASC_ERROR (-1) + +/* Scsi_Cmnd function return codes */ +#define STATUS_BYTE(byte) (byte) +#define MSG_BYTE(byte) ((byte) << 8) +#define HOST_BYTE(byte) ((byte) << 16) +#define DRIVER_BYTE(byte) ((byte) << 24) + +/* + * The following definitions and macros are OS independent interfaces to + * the queue functions: + * REQ - SCSI request structure + * REQP - pointer to SCSI request structure + * REQPTID(reqp) - reqp's target id + * REQPNEXT(reqp) - reqp's next pointer + * REQPNEXTP(reqp) - pointer to reqp's next pointer + * REQPTIME(reqp) - reqp's time stamp value + * REQTIMESTAMP() - system time stamp value + */ +typedef Scsi_Cmnd REQ, *REQP; +#define REQPNEXT(reqp) ((REQP) ((reqp)->host_scribble)) +#define REQPNEXTP(reqp) ((REQP *) &((reqp)->host_scribble)) +#define REQPTID(reqp) ((reqp)->target) +#define REQPTIME(reqp) ((reqp)->SCp.this_residual) +#define REQTIMESTAMP() (jiffies) + +#define REQTIMESTAT(function, ascq, reqp, tid) \ +{ \ + /* + * If the request time stamp is less than the system time stamp, then \ + * maybe the system time stamp wrapped. Set the request time to zero.\ + */ \ + if (REQPTIME(reqp) <= REQTIMESTAMP()) { \ + REQPTIME(reqp) = REQTIMESTAMP() - REQPTIME(reqp); \ + } else { \ + /* Indicate an error occurred with the assertion. */ \ + ASC_ASSERT(REQPTIME(reqp) <= REQTIMESTAMP()); \ + REQPTIME(reqp) = 0; \ + } \ + /* Handle first minimum time case without external initialization. */ \ + if (((ascq)->q_tot_cnt[tid] == 1) || \ + (REQPTIME(reqp) < (ascq)->q_min_tim[tid])) { \ + (ascq)->q_min_tim[tid] = REQPTIME(reqp); \ + ASC_DBG3(1, "%s: new q_min_tim[%d] %u\n", \ + (function), (tid), (ascq)->q_min_tim[tid]); \ + } \ + if (REQPTIME(reqp) > (ascq)->q_max_tim[tid]) { \ + (ascq)->q_max_tim[tid] = REQPTIME(reqp); \ + ASC_DBG3(1, "%s: new q_max_tim[%d] %u\n", \ + (function), tid, (ascq)->q_max_tim[tid]); \ + } \ + (ascq)->q_tot_tim[tid] += REQPTIME(reqp); \ + /* Reset the time stamp field. */ \ + REQPTIME(reqp) = 0; \ +} + +/* asc_enqueue() flags */ +#define ASC_FRONT 1 +#define ASC_BACK 2 + +/* asc_dequeue_list() argument */ +#define ASC_TID_ALL (-1) + +/* Return non-zero, if the queue is empty. */ +#define ASC_QUEUE_EMPTY(ascq) ((ascq)->q_tidmask == 0) + +/* PCI configuration declarations */ + +#define PCI_BASE_CLASS_PREDEFINED 0x00 +#define PCI_BASE_CLASS_MASS_STORAGE 0x01 +#define PCI_BASE_CLASS_NETWORK 0x02 +#define PCI_BASE_CLASS_DISPLAY 0x03 +#define PCI_BASE_CLASS_MULTIMEDIA 0x04 +#define PCI_BASE_CLASS_MEMORY_CONTROLLER 0x05 +#define PCI_BASE_CLASS_BRIDGE_DEVICE 0x06 + +/* MASS STORAGE */ +#define PCI_SUB_CLASS_SCSI_CONTROLLER 0x00 +#define PCI_SUB_CLASS_IDE_CONTROLLER 0x01 +#define PCI_SUB_CLASS_FLOPPY_DISK_CONTROLLER 0x02 +#define PCI_SUB_CLASS_IPI_BUS_CONTROLLER 0x03 +#define PCI_SUB_CLASS_OTHER_MASS_CONTROLLER 0x80 + +/* NETWORK CONTROLLER */ +#define PCI_SUB_CLASS_ETHERNET_CONTROLLER 0x00 +#define PCI_SUB_CLASS_TOKEN_RING_CONTROLLER 0x01 +#define PCI_SUB_CLASS_FDDI_CONTROLLER 0x02 +#define PCI_SUB_CLASS_OTHER_NETWORK_CONTROLLER 0x80 + +/* DISPLAY CONTROLLER */ +#define PCI_SUB_CLASS_VGA_CONTROLLER 0x00 +#define PCI_SUB_CLASS_XGA_CONTROLLER 0x01 +#define PCI_SUB_CLASS_OTHER_DISPLAY_CONTROLLER 0x80 + +/* MULTIMEDIA CONTROLLER */ +#define PCI_SUB_CLASS_VIDEO_DEVICE 0x00 +#define PCI_SUB_CLASS_AUDIO_DEVICE 0x01 +#define PCI_SUB_CLASS_OTHER_MULTIMEDIA_DEVICE 0x80 + +/* MEMORY CONTROLLER */ +#define PCI_SUB_CLASS_RAM_CONTROLLER 0x00 +#define PCI_SUB_CLASS_FLASH_CONTROLLER 0x01 +#define PCI_SUB_CLASS_OTHER_MEMORY_CONTROLLER 0x80 + +/* BRIDGE CONTROLLER */ +#define PCI_SUB_CLASS_HOST_BRIDGE_CONTROLLER 0x00 +#define PCI_SUB_CLASS_ISA_BRIDGE_CONTROLLER 0x01 +#define PCI_SUB_CLASS_EISA_BRIDGE_CONTROLLER 0x02 +#define PCI_SUB_CLASS_MC_BRIDGE_CONTROLLER 0x03 +#define PCI_SUB_CLASS_PCI_TO_PCI_BRIDGE_CONTROLLER 0x04 +#define PCI_SUB_CLASS_PCMCIA_BRIDGE_CONTROLLER 0x05 +#define PCI_SUB_CLASS_OTHER_BRIDGE_CONTROLLER 0x80 + +#define PCI_MAX_SLOT 0x1F +#define PCI_MAX_BUS 0xFF +#define PCI_IOADDRESS_MASK 0xFFFE +#define ASC_PCI_VENDORID 0x10CD +#define ASC_PCI_DEVICE_ID_CNT 4 /* PCI Device ID count. */ +#define ASC_PCI_DEVICE_ID_1100 0x1100 +#define ASC_PCI_DEVICE_ID_1200 0x1200 +#define ASC_PCI_DEVICE_ID_1300 0x1300 +#define ASC_PCI_DEVICE_ID_2300 0x2300 + +/* PCI IO Port Addresses to generate special cycle */ + +#define PCI_CONFIG_ADDRESS_MECH1 0x0CF8 +#define PCI_CONFIG_DATA_MECH1 0x0CFC + +#define PCI_CONFIG_FORWARD_REGISTER 0x0CFA /* 0=type 0; 1=type 1; */ + +#define PCI_CONFIG_BUS_NUMBER_MASK 0x00FF0000 +#define PCI_CONFIG_DEVICE_FUNCTION_MASK 0x0000FF00 +#define PCI_CONFIG_REGISTER_NUMBER_MASK 0x000000F8 + +#define PCI_DEVICE_FOUND 0x0000 +#define PCI_DEVICE_NOT_FOUND 0xffff + +#define SUBCLASS_OFFSET 0x0A +#define CLASSCODE_OFFSET 0x0B +#define VENDORID_OFFSET 0x00 +#define DEVICEID_OFFSET 0x02 + +#ifndef ADVANSYS_STATS +#define ASC_STATS(shp, counter) +#define ASC_STATS_ADD(shp, counter, count) +#else /* ADVANSYS_STATS */ +#define ASC_STATS(shp, counter) \ + (ASC_BOARDP(shp)->asc_stats.counter++) + +#define ASC_STATS_ADD(shp, counter, count) \ + (ASC_BOARDP(shp)->asc_stats.counter += (count)) +#endif /* ADVANSYS_STATS */ + +#define ASC_CEILING(val, unit) (((val) + ((unit) - 1))/(unit)) + +/* If the result wraps when calculating tenths, return 0. */ +#define ASC_TENTHS(num, den) \ + (((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \ + 0 : ((((num) * 10)/(den)) - (10 * ((num)/(den))))) + +/* + * Display a message to the console. + */ +#define ASC_PRINT(s) \ + { \ + printk("advansys: "); \ + printk(s); \ + } + +#define ASC_PRINT1(s, a1) \ + { \ + printk("advansys: "); \ + printk((s), (a1)); \ + } + +#define ASC_PRINT2(s, a1, a2) \ + { \ + printk("advansys: "); \ + printk((s), (a1), (a2)); \ + } + +#define ASC_PRINT3(s, a1, a2, a3) \ + { \ + printk("advansys: "); \ + printk((s), (a1), (a2), (a3)); \ + } + +#define ASC_PRINT4(s, a1, a2, a3, a4) \ + { \ + printk("advansys: "); \ + printk((s), (a1), (a2), (a3), (a4)); \ + } + + +#ifndef ADVANSYS_DEBUG + +#define ASC_DBG(lvl, s) +#define ASC_DBG1(lvl, s, a1) +#define ASC_DBG2(lvl, s, a1, a2) +#define ASC_DBG3(lvl, s, a1, a2, a3) +#define ASC_DBG4(lvl, s, a1, a2, a3, a4) +#define ASC_DBG_PRT_SCSI_HOST(lvl, s) +#define ASC_DBG_PRT_SCSI_CMND(lvl, s) +#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) +#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) +#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) +#define ADV_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) +#define ASC_DBG_PRT_HEX(lvl, name, start, length) +#define ASC_DBG_PRT_CDB(lvl, cdb, len) +#define ASC_DBG_PRT_SENSE(lvl, sense, len) +#define ASC_DBG_PRT_INQUIRY(lvl, inq, len) + +#else /* ADVANSYS_DEBUG */ + +/* + * Debugging Message Levels: + * 0: Errors Only + * 1: High-Level Tracing + * 2-N: Verbose Tracing + */ + +#define ASC_DBG(lvl, s) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + printk(s); \ + } \ + } + +#define ASC_DBG1(lvl, s, a1) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + printk((s), (a1)); \ + } \ + } + +#define ASC_DBG2(lvl, s, a1, a2) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + printk((s), (a1), (a2)); \ + } \ + } + +#define ASC_DBG3(lvl, s, a1, a2, a3) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + printk((s), (a1), (a2), (a3)); \ + } \ + } + +#define ASC_DBG4(lvl, s, a1, a2, a3, a4) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + printk((s), (a1), (a2), (a3), (a4)); \ + } \ + } + +#define ASC_DBG_PRT_SCSI_HOST(lvl, s) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + asc_prt_scsi_host(s); \ + } \ + } + +#define ASC_DBG_PRT_SCSI_CMND(lvl, s) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + asc_prt_scsi_cmnd(s); \ + } \ + } + +#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + asc_prt_asc_scsi_q(scsiqp); \ + } \ + } + +#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + asc_prt_asc_qdone_info(qdone); \ + } \ + } + +#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + asc_prt_adv_scsi_req_q(scsiqp); \ + } \ + } + +#define ASC_DBG_PRT_HEX(lvl, name, start, length) \ + { \ + if (asc_dbglvl >= (lvl)) { \ + asc_prt_hex((name), (start), (length)); \ + } \ + } + +#define ASC_DBG_PRT_CDB(lvl, cdb, len) \ + ASC_DBG_PRT_HEX((lvl), "CDB", (uchar *) (cdb), (len)); + +#define ASC_DBG_PRT_SENSE(lvl, sense, len) \ + ASC_DBG_PRT_HEX((lvl), "SENSE", (uchar *) (sense), (len)); + +#define ASC_DBG_PRT_INQUIRY(lvl, inq, len) \ + ASC_DBG_PRT_HEX((lvl), "INQUIRY", (uchar *) (inq), (len)); +#endif /* ADVANSYS_DEBUG */ + +#ifndef ADVANSYS_ASSERT +#define ASC_ASSERT(a) +#else /* ADVANSYS_ASSERT */ + +#define ASC_ASSERT(a) \ + { \ + if (!(a)) { \ + printk("ASC_ASSERT() Failure: file %s, line %d\n", \ + __FILE__, __LINE__); \ + } \ + } + +#endif /* ADVANSYS_ASSERT */ + + +/* + * --- Driver Structures + */ + +#ifdef ADVANSYS_STATS + +/* Per board statistics structure */ +struct asc_stats { + /* Driver Entrypoint Statistics */ + ulong command; /* # calls to advansys_command() */ + ulong queuecommand; /* # calls to advansys_queuecommand() */ + ulong abort; /* # calls to advansys_abort() */ + ulong reset; /* # calls to advansys_reset() */ + ulong biosparam; /* # calls to advansys_biosparam() */ + ulong interrupt; /* # advansys_interrupt() calls */ + ulong callback; /* # calls to asc/adv_isr_callback() */ + ulong done; /* # calls to request's scsi_done function */ + ulong build_error; /* # asc/adv_build_req() ASC_ERROR returns. */ + ulong adv_build_noreq; /* # adv_build_req() adv_req_t alloc. fail. */ + ulong adv_build_nosg; /* # adv_build_req() adv_sgblk_t alloc. fail. */ + /* AscExeScsiQueue()/AdvExeScsiQueue() Statistics */ + ulong exe_noerror; /* # ASC_NOERROR returns. */ + ulong exe_busy; /* # ASC_BUSY returns. */ + ulong exe_error; /* # ASC_ERROR returns. */ + ulong exe_unknown; /* # unknown returns. */ + /* Data Transfer Statistics */ + ulong cont_cnt; /* # non-scatter-gather I/O requests received */ + ulong cont_xfer; /* # contiguous transfer 512-bytes */ + ulong sg_cnt; /* # scatter-gather I/O requests received */ + ulong sg_elem; /* # scatter-gather elements */ + ulong sg_xfer; /* # scatter-gather transfer 512-bytes */ +}; +#endif /* ADVANSYS_STATS */ + +/* + * Request queuing structure + */ +typedef struct asc_queue { + ADV_SCSI_BIT_ID_TYPE q_tidmask; /* queue mask */ + REQP q_first[ADV_MAX_TID+1]; /* first queued request */ + REQP q_last[ADV_MAX_TID+1]; /* last queued request */ +#ifdef ADVANSYS_STATS + short q_cur_cnt[ADV_MAX_TID+1]; /* current queue count */ + short q_max_cnt[ADV_MAX_TID+1]; /* maximum queue count */ + ulong q_tot_cnt[ADV_MAX_TID+1]; /* total enqueue count */ + ulong q_tot_tim[ADV_MAX_TID+1]; /* total time queued */ + ushort q_max_tim[ADV_MAX_TID+1]; /* maximum time queued */ + ushort q_min_tim[ADV_MAX_TID+1]; /* minimum time queued */ +#endif /* ADVANSYS_STATS */ +} asc_queue_t; + +/* + * Adv Library Request Structures + * + * The following two se structures are used to process Wide Board requests. + * One structure is needed for each command received from the Mid-Level SCSI + * driver. + * + * The ADV_SCSI_REQ_Q structure in adv_req_t is passed to the Adv Library + * and microcode with the ADV_SCSI_REQ_Q field 'srb_ptr' pointing to the + * adv_req_t. The adv_req_t structure 'cmndp' field in turn points to the + * Mid-Level SCSI request structure. + * + * The adv_sgblk_t structure is used to handle requests that include + * scatter-gather elements. + */ +typedef struct adv_sgblk { + ADV_SG_BLOCK sg_block[ADV_NUM_SG_BLOCK + ADV_NUM_PAGE_CROSSING]; + uchar align2[4]; /* Sgblock structure padding. */ + struct adv_sgblk *next_sgblkp; /* Next scatter-gather structure. */ +} adv_sgblk_t; + +typedef struct adv_req { + ADV_SCSI_REQ_Q scsi_req_q; /* Adv Library request structure. */ + uchar align1[4]; /* Request structure padding. */ + Scsi_Cmnd *cmndp; /* Mid-Level SCSI command pointer. */ + adv_sgblk_t *sgblkp; /* Adv Library scatter-gather pointer. */ + struct adv_req *next_reqp; /* Next Request Structure. */ +} adv_req_t; + +/* + * Structure allocated for each board. + * + * This structure is allocated by scsi_register() at the end + * of the 'Scsi_Host' structure starting at the 'hostdata' + * field. It is guaranteed to be allocated from DMA-able memory. + */ +typedef struct asc_board { + int id; /* Board Id */ + uint flags; /* Board flags */ + union { + ASC_DVC_VAR asc_dvc_var; /* Narrow board */ + ADV_DVC_VAR adv_dvc_var; /* Wide board */ + } dvc_var; + union { + ASC_DVC_CFG asc_dvc_cfg; /* Narrow board */ + ADV_DVC_CFG adv_dvc_cfg; /* Wide board */ + } dvc_cfg; + asc_queue_t active; /* Active command queue */ + asc_queue_t waiting; /* Waiting command queue */ + asc_queue_t done; /* Done command queue */ + ADV_SCSI_BIT_ID_TYPE init_tidmask; /* Target init./valid mask */ + Scsi_Device *device[ADV_MAX_TID+1]; /* Mid-Level Scsi Device */ + ushort reqcnt[ADV_MAX_TID+1]; /* Starvation request count */ +#if ASC_QUEUE_FLOW_CONTROL + ushort nerrcnt[ADV_MAX_TID+1]; /* No error request count */ +#endif /* ASC_QUEUE_FLOW_CONTROL */ + ADV_SCSI_BIT_ID_TYPE queue_full; /* Queue full mask */ + ushort queue_full_cnt[ADV_MAX_TID+1]; /* Queue full count */ + union { + ASCEEP_CONFIG asc_eep; /* Narrow EEPROM config. */ + ADVEEP_CONFIG adv_eep; /* Wide EEPROM config. */ + } eep_config; + ulong last_reset; /* Saved last reset time */ +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + /* /proc/scsi/advansys/[0...] */ + char *prtbuf; /* Statistics Print Buffer */ +#endif /* version >= v1.3.0 */ +#ifdef ADVANSYS_STATS + struct asc_stats asc_stats; /* Board statistics */ +#endif /* ADVANSYS_STATS */ + /* + * The following fields are used only for Narrow Boards. + */ + /* The following three structures must be in DMA-able memory. */ + ASC_SCSI_REQ_Q scsireqq; + ASC_CAP_INFO cap_info; + ASC_SCSI_INQUIRY inquiry; + uchar sdtr_data[ASC_MAX_TID+1]; /* SDTR information */ + /* + * The following fields are used only for Wide Boards. + */ + void *ioremap_addr; /* I/O Memory remap address. */ + ushort ioport; /* I/O Port address. */ + adv_req_t *orig_reqp; /* adv_req_t memory block. */ + adv_req_t *adv_reqp; /* Request structures. */ + adv_sgblk_t *orig_sgblkp; /* adv_sgblk_t memory block. */ + adv_sgblk_t *adv_sgblkp; /* Scatter-gather structures. */ + ushort bios_signature; /* BIOS Signature. */ + ushort bios_version; /* BIOS Version. */ + ushort bios_codeseg; /* BIOS Code Segment. */ + ushort bios_codelen; /* BIOS Code Segment Length. */ +} asc_board_t; + +/* + * PCI configuration structures + */ +typedef struct _PCI_DATA_ +{ + uchar type; + uchar bus; + uchar slot; + uchar func; + uchar offset; +} PCI_DATA; + +typedef struct _PCI_DEVICE_ +{ + ushort vendorID; + ushort deviceID; + ushort slotNumber; + ushort slotFound; + uchar busNumber; + uchar maxBusNumber; + uchar devFunc; + ushort startSlot; + ushort endSlot; + uchar bridge; + uchar type; +} PCI_DEVICE; + +typedef struct _PCI_CONFIG_SPACE_ +{ + ushort vendorID; + ushort deviceID; + ushort command; + ushort status; + uchar revision; + uchar classCode[3]; + uchar cacheSize; + uchar latencyTimer; + uchar headerType; + uchar bist; + ulong baseAddress[6]; + ushort reserved[4]; + ulong optionRomAddr; + ushort reserved2[4]; + uchar irqLine; + uchar irqPin; + uchar minGnt; + uchar maxLatency; +} PCI_CONFIG_SPACE; + + +/* + * --- Driver Data + */ + +/* Note: All driver global data should be initialized. */ + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +struct proc_dir_entry proc_scsi_advansys = +{ + PROC_SCSI_ADVANSYS, /* unsigned short low_ino */ + 8, /* unsigned short namelen */ + "advansys", /* const char *name */ + S_IFDIR | S_IRUGO | S_IXUGO, /* mode_t mode */ + 2 /* nlink_t nlink */ +}; +#endif /* version >= v1.3.0 */ + +/* Number of boards detected in system. */ +STATIC int asc_board_count = 0; +STATIC struct Scsi_Host *asc_host[ASC_NUM_BOARD_SUPPORTED] = { 0 }; + +/* Overrun buffer shared between all boards. */ +STATIC uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 }; + +/* + * Global structures required to issue a command. + */ +STATIC ASC_SCSI_Q asc_scsi_q = { { 0 } }; +STATIC ASC_SG_HEAD asc_sg_head = { 0 }; + +/* List of supported bus types. */ +STATIC ushort asc_bus[ASC_NUM_BUS] ASC_INITDATA = { + ASC_IS_ISA, + ASC_IS_VL, + ASC_IS_EISA, + ASC_IS_PCI, +}; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI +STATIC int pci_scan_method ASC_INITDATA = -1; +#endif /* ASC_CONFIG_PCI */ +#endif /* version < v2.1.93 */ + +/* + * Used with the LILO 'advansys' option to eliminate or + * limit I/O port probing at boot time, cf. advansys_setup(). + */ +STATIC int asc_iopflag = ASC_FALSE; +STATIC int asc_ioport[ASC_NUM_IOPORT_PROBE] = { 0, 0, 0, 0 }; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) +/* + * In kernels earlier than v1.3.0, kmalloc() does not work + * during driver initialization. Therefore statically declare + * 16 elements of each structure. v1.3.0 kernels will probably + * not need any more than this number. + */ +uchar adv_req_buf[16 * sizeof(adv_req_t)] = { 0 }; +uchar adv_sgblk_buf[16 * sizeof(adv_sgblk_t)] = { 0 }; +#endif /* version >= v1,3,0 */ + +#ifdef ADVANSYS_DEBUG +STATIC char * +asc_bus_name[ASC_NUM_BUS] = { + "ASC_IS_ISA", + "ASC_IS_VL", + "ASC_IS_EISA", + "ASC_IS_PCI", +}; + +STATIC int asc_dbglvl = 0; +#endif /* ADVANSYS_DEBUG */ + +/* Declaration for Asc Library internal data referenced by driver. */ +STATIC PortAddr _asc_def_iop_base[]; + + +/* + * --- Driver Function Prototypes + * + * advansys.h contains function prototypes for functions global to Linux. + */ + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +STATIC int asc_proc_copy(off_t, off_t, char *, int , char *, int); +#endif /* version >= v1.3.0 */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,70) +STATIC void advansys_interrupt(int, struct pt_regs *); +#else /* version >= v1.3.70 */ +STATIC void advansys_interrupt(int, void *, struct pt_regs *); +#endif /* version >= v1.3.70 */ +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC void advansys_select_queue_depths(struct Scsi_Host *, + Scsi_Device *); +#endif /* version >= v1.3.89 */ +STATIC void advansys_command_done(Scsi_Cmnd *); +STATIC void asc_scsi_done_list(Scsi_Cmnd *); +STATIC int asc_execute_scsi_cmnd(Scsi_Cmnd *); +STATIC int asc_build_req(asc_board_t *, Scsi_Cmnd *); +STATIC int adv_build_req(asc_board_t *, Scsi_Cmnd *, ADV_SCSI_REQ_Q **); +STATIC int adv_get_sglist(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *, Scsi_Cmnd *); +STATIC void asc_isr_callback(ASC_DVC_VAR *, ASC_QDONE_INFO *); +STATIC void adv_isr_callback(ADV_DVC_VAR *, ADV_SCSI_REQ_Q *); +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI +STATIC int asc_srch_pci_dev(PCI_DEVICE *); +STATIC uchar asc_scan_method(void); +STATIC int asc_pci_find_dev(PCI_DEVICE *); +STATIC void asc_get_pci_cfg(PCI_DEVICE *, PCI_CONFIG_SPACE *); +STATIC ushort asc_get_cfg_word(PCI_DATA *); +STATIC uchar asc_get_cfg_byte(PCI_DATA *); +STATIC void asc_put_cfg_byte(PCI_DATA *, uchar); +#endif /* ASC_CONFIG_PCI */ +#endif /* version < v2.1.93 */ +STATIC void asc_enqueue(asc_queue_t *, REQP, int); +STATIC REQP asc_dequeue(asc_queue_t *, int); +STATIC REQP asc_dequeue_list(asc_queue_t *, REQP *, int); +STATIC int asc_rmqueue(asc_queue_t *, REQP); +STATIC int asc_isqueued(asc_queue_t *, REQP); +STATIC void asc_execute_queue(asc_queue_t *); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +STATIC int asc_prt_board_devices(struct Scsi_Host *, char *, int); +STATIC int asc_prt_adv_bios(struct Scsi_Host *, char *, int); +STATIC int asc_get_eeprom_string(ushort *serialnum, uchar *cp); +STATIC int asc_prt_asc_board_eeprom(struct Scsi_Host *, char *, int); +STATIC int asc_prt_adv_board_eeprom(struct Scsi_Host *, char *, int); +STATIC int asc_prt_driver_conf(struct Scsi_Host *, char *, int); +STATIC int asc_prt_asc_board_info(struct Scsi_Host *, char *, int); +STATIC int asc_prt_adv_board_info(struct Scsi_Host *, char *, int); +STATIC int asc_prt_line(char *, int, char *fmt, ...); +#endif /* version >= v1.3.0 */ + +/* Declaration for Asc Library internal functions reference by driver. */ +STATIC int AscFindSignature(PortAddr); +STATIC ushort AscGetEEPConfig(PortAddr, ASCEEP_CONFIG *, ushort); + +#ifdef ADVANSYS_STATS +STATIC int asc_prt_board_stats(struct Scsi_Host *, char *, int); +#endif /* ADVANSYS_STATS */ + +#ifdef ADVANSYS_DEBUG +STATIC void asc_prt_scsi_host(struct Scsi_Host *); +STATIC void asc_prt_scsi_cmnd(Scsi_Cmnd *); +STATIC void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *); +STATIC void asc_prt_asc_dvc_var(ASC_DVC_VAR *); +STATIC void asc_prt_asc_scsi_q(ASC_SCSI_Q *); +STATIC void asc_prt_asc_qdone_info(ASC_QDONE_INFO *); +STATIC void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *); +STATIC void asc_prt_adv_dvc_var(ADV_DVC_VAR *); +STATIC void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *); +STATIC void asc_prt_adv_sgblock(int, ADV_SG_BLOCK *); +STATIC void asc_prt_hex(char *f, uchar *, int); +#endif /* ADVANSYS_DEBUG */ + +#ifdef ADVANSYS_ASSERT +STATIC int interrupts_enabled(void); +#endif /* ADVANSYS_ASSERT */ + + +/* + * --- Linux 'Scsi_Host_Template' and advansys_setup() Functions + */ + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +/* + * advansys_proc_info() - /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)] + * + * *buffer: I/O buffer + * **start: if inout == FALSE pointer into buffer where user read should start + * offset: current offset into a /proc/scsi/advansys/[0...] file + * length: length of buffer + * hostno: Scsi_Host host_no + * inout: TRUE - user is writing; FALSE - user is reading + * + * Return the number of bytes read from or written to a + * /proc/scsi/advansys/[0...] file. + * + * Note: This function uses the per board buffer 'prtbuf' which is + * allocated when the board is initialized in advansys_detect(). The + * buffer is ASC_PRTBUF_SIZE bytes. The function asc_proc_copy() is + * used to write to the buffer. The way asc_proc_copy() is written + * if 'prtbuf' is too small it will not be overwritten. Instead the + * user just won't get all the available statistics. + */ +int +advansys_proc_info(char *buffer, char **start, off_t offset, int length, + int hostno, int inout) +{ + struct Scsi_Host *shp; + asc_board_t *boardp; + int i; + char *cp; + int cplen; + int cnt; + int totcnt; + int leftlen; + char *curbuf; + off_t advoffset; + Scsi_Device *scd; + + ASC_DBG(1, "advansys_proc_info: begin\n"); + + /* + * User write not supported. + */ + if (inout == TRUE) { + return(-ENOSYS); + } + + /* + * User read of /proc/scsi/advansys/[0...] file. + */ + + /* Find the specified board. */ + for (i = 0; i < asc_board_count; i++) { + if (asc_host[i]->host_no == hostno) { + break; + } + } + if (i == asc_board_count) { + return(-ENOENT); + } + + shp = asc_host[i]; + boardp = ASC_BOARDP(shp); + + /* Copy read data starting at the beginning of the buffer. */ + *start = buffer; + curbuf = buffer; + advoffset = 0; + totcnt = 0; + leftlen = length; + + /* + * Get board configuration information. + * + * advansys_info() returns the board string from its own static buffer. + */ + cp = (char *) advansys_info(shp); + strcat(cp, "\n"); + cplen = strlen(cp); + /* Copy board information. */ + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + /* + * Display Wide Board BIOS Information. + */ + if (ASC_WIDE_BOARD(boardp)) { + cp = boardp->prtbuf; + cplen = asc_prt_adv_bios(shp, cp, ASC_PRTBUF_SIZE); + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + } + + /* + * Display driver information for each device attached to the board. + */ + cp = boardp->prtbuf; + cplen = asc_prt_board_devices(shp, cp, ASC_PRTBUF_SIZE); + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + /* + * Display target driver information for each device attached + * to the board. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,75) + for (scd = scsi_devices; scd; scd = scd->next) +#else /* version >= v2.1.75 */ + for (scd = shp->host_queue; scd; scd = scd->next) +#endif /* version >= v2.1.75 */ + { + if (scd->host == shp) { + cp = boardp->prtbuf; + /* + * Note: If proc_print_scsidevice() writes more than + * ASC_PRTBUF_SIZE bytes, it will overrun 'prtbuf'. + */ + proc_print_scsidevice(scd, cp, &cplen, 0); + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + } + } + + /* + * Display EEPROM configuration for the board. + */ + cp = boardp->prtbuf; + if (ASC_NARROW_BOARD(boardp)) { + cplen = asc_prt_asc_board_eeprom(shp, cp, ASC_PRTBUF_SIZE); + } else { + cplen = asc_prt_adv_board_eeprom(shp, cp, ASC_PRTBUF_SIZE); + } + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + /* + * Display driver configuration and information for the board. + */ + cp = boardp->prtbuf; + cplen = asc_prt_driver_conf(shp, cp, ASC_PRTBUF_SIZE); + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + +#ifdef ADVANSYS_STATS + /* + * Display driver statistics for the board. + */ + cp = boardp->prtbuf; + cplen = asc_prt_board_stats(shp, cp, ASC_PRTBUF_SIZE); + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; +#endif /* ADVANSYS_STATS */ + + /* + * Display Asc Library dynamic configuration information + * for the board. + */ + cp = boardp->prtbuf; + if (ASC_NARROW_BOARD(boardp)) { + cplen = asc_prt_asc_board_info(shp, cp, ASC_PRTBUF_SIZE); + } else { + cplen = asc_prt_adv_board_info(shp, cp, ASC_PRTBUF_SIZE); + } + ASC_ASSERT(cplen < ASC_PRTBUF_SIZE); + cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, cplen); + totcnt += cnt; + leftlen -= cnt; + if (leftlen == 0) { + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + return totcnt; + } + advoffset += cplen; + curbuf += cnt; + + ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); + + return totcnt; +} +#endif /* version >= v1.3.0 */ + +/* + * advansys_detect() + * + * Detect function for AdvanSys adapters. + * + * Argument is a pointer to the host driver's scsi_hosts entry. + * + * Return number of adapters found. + * + * Note: Because this function is called during system initialization + * it must not call SCSI mid-level functions including scsi_malloc() + * and scsi_free(). + */ +ASC_INITFUNC( +int +advansys_detect(Scsi_Host_Template *tpnt) +) +{ + static int detect_called = ASC_FALSE; + int iop; + int bus; + struct Scsi_Host *shp; + asc_board_t *boardp; + ASC_DVC_VAR *asc_dvc_varp = NULL; + ADV_DVC_VAR *adv_dvc_varp = NULL; + int ioport = 0; + int share_irq = FALSE; +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + PCI_DEVICE pciDevice; + PCI_CONFIG_SPACE pciConfig; +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + unsigned long pci_memory_address; +#endif /* version >= v1,3,0 */ +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + struct pci_dev *pci_devp = NULL; + int pci_device_id_cnt = 0; + unsigned int pci_device_id[ASC_PCI_DEVICE_ID_CNT] = { + ASC_PCI_DEVICE_ID_1100, + ASC_PCI_DEVICE_ID_1200, + ASC_PCI_DEVICE_ID_1300, + ASC_PCI_DEVICE_ID_2300 + }; + unsigned long pci_memory_address; +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ + int warn_code, err_code; + int ret; + + if (detect_called == ASC_FALSE) { + detect_called = ASC_TRUE; + } else { + printk("AdvanSys SCSI: advansys_detect() multiple calls ignored\n"); + return 0; + } + + ASC_DBG(1, "advansys_detect: begin\n"); + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + tpnt->proc_dir = &proc_scsi_advansys; +#endif /* version >= v1.3.0 */ + + asc_board_count = 0; + + /* + * If I/O port probing has been modified, then verify and + * clean-up the 'asc_ioport' list. + */ + if (asc_iopflag == ASC_TRUE) { + for (ioport = 0; ioport < ASC_NUM_IOPORT_PROBE; ioport++) { + ASC_DBG2(1, "advansys_detect: asc_ioport[%d] %x\n", + ioport, asc_ioport[ioport]); + if (asc_ioport[ioport] != 0) { + for (iop = 0; iop < ASC_IOADR_TABLE_MAX_IX; iop++) { + if (_asc_def_iop_base[iop] == asc_ioport[ioport]) { + break; + } + } + if (iop == ASC_IOADR_TABLE_MAX_IX) { + printk( +"AdvanSys SCSI: specified I/O Port 0x%X is invalid\n", + asc_ioport[ioport]); + asc_ioport[ioport] = 0; + } + } + } + ioport = 0; + } + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + memset(&pciDevice, 0, sizeof(PCI_DEVICE)); + memset(&pciConfig, 0, sizeof(PCI_CONFIG_SPACE)); + pciDevice.maxBusNumber = PCI_MAX_BUS; + pciDevice.endSlot = PCI_MAX_SLOT; +#endif /* ASC_CONFIG_PCI */ +#endif /* version < v2.1.93 */ + + for (bus = 0; bus < ASC_NUM_BUS; bus++) { + + ASC_DBG2(1, "advansys_detect: bus search type %d (%s)\n", + bus, asc_bus_name[bus]); + iop = 0; + + while (asc_board_count < ASC_NUM_BOARD_SUPPORTED) { + + ASC_DBG1(2, "advansys_detect: asc_board_count %d\n", + asc_board_count); + + switch (asc_bus[bus]) { + case ASC_IS_ISA: + case ASC_IS_VL: + if (asc_iopflag == ASC_FALSE) { + iop = AscSearchIOPortAddr(iop, asc_bus[bus]); + } else { + /* + * ISA and VL I/O port scanning has either been + * eliminated or limited to selected ports on + * the LILO command line, /etc/lilo.conf, or + * by setting variables when the module was loaded. + */ + ASC_DBG(1, "advansys_detect: I/O port scanning modified\n"); + ioport_try_again: + iop = 0; + for (; ioport < ASC_NUM_IOPORT_PROBE; ioport++) { + if ((iop = asc_ioport[ioport]) != 0) { + break; + } + } + if (iop) { + ASC_DBG1(1, "advansys_detect: probing I/O port %x...\n", + iop); + if (check_region(iop, ASC_IOADR_GAP) != 0) { + printk( +"AdvanSys SCSI: specified I/O Port 0x%X is busy\n", iop); + /* Don't try this I/O port twice. */ + asc_ioport[ioport] = 0; + goto ioport_try_again; + } else if (AscFindSignature(iop) == ASC_FALSE) { + printk( +"AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", iop); + /* Don't try this I/O port twice. */ + asc_ioport[ioport] = 0; + goto ioport_try_again; + } else { + /* + * If this isn't an ISA board, then it must be + * a VL board. If currently looking an ISA + * board is being looked for then try for + * another ISA board in 'asc_ioport'. + */ + if (asc_bus[bus] == ASC_IS_ISA && + (AscGetChipVersion(iop, ASC_IS_ISA) & + ASC_CHIP_VER_ISA_BIT) == 0) { + /* + * Don't clear 'asc_ioport[ioport]'. Try + * this board again for VL. Increment + * 'ioport' past this board. + */ + ioport++; + goto ioport_try_again; + } + } + /* + * This board appears good, don't try the I/O port + * again by clearing its value. Increment 'ioport' + * for the next iteration. + */ + asc_ioport[ioport++] = 0; + } + } + break; + + case ASC_IS_EISA: + iop = AscSearchIOPortAddr(iop, asc_bus[bus]); + break; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + case ASC_IS_PCI: + if (asc_srch_pci_dev(&pciDevice) != PCI_DEVICE_FOUND) { + iop = 0; + } else { + ASC_DBG2(2, + "advansys_detect: slotFound %d, busNumber %d\n", + pciDevice.slotFound, pciDevice.busNumber); + asc_get_pci_cfg(&pciDevice, &pciConfig); + iop = pciConfig.baseAddress[0] & PCI_IOADDRESS_MASK; + ASC_DBG2(1, + "advansys_detect: vendorID %X, deviceID %X\n", + pciConfig.vendorID, pciConfig.deviceID); + ASC_DBG2(2, "advansys_detect: iop %X, irqLine %d\n", + iop, pciConfig.irqLine); + } + break; +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + case ASC_IS_PCI: + while (pci_device_id_cnt < ASC_PCI_DEVICE_ID_CNT) { + if ((pci_devp = pci_find_device(ASC_PCI_VENDORID, + pci_device_id[pci_device_id_cnt], pci_devp)) == NULL) { + pci_device_id_cnt++; + } else { + break; + } + } + if (pci_devp == NULL) { + iop = 0; + } else { + ASC_DBG2(2, + "advansys_detect: devfn %d, bus number %d\n", + pci_devp->devfn, pci_devp->bus->number); + iop = pci_devp->base_address[0] & PCI_IOADDRESS_MASK; + ASC_DBG2(1, + "advansys_detect: vendorID %X, deviceID %X\n", + pci_devp->vendor, pci_devp->device); + ASC_DBG2(2, "advansys_detect: iop %X, irqLine %d\n", + iop, pci_devp->irq); + } + break; +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ + + default: + ASC_PRINT1("advansys_detect: unknown bus type: %d\n", + asc_bus[bus]); + break; + } + ASC_DBG1(1, "advansys_detect: iop %x\n", iop); + + /* + * Adapter not found, try next bus type. + */ + if (iop == 0) { + break; + } + + /* + * Adapter found. + * + * Register the adapter, get its configuration, and + * initialize it. + */ + ASC_DBG(2, "advansys_detect: scsi_register()\n"); + shp = scsi_register(tpnt, sizeof(asc_board_t)); + + /* Save a pointer to the Scsi_host of each board found. */ + asc_host[asc_board_count++] = shp; + + /* Initialize private per board data */ + boardp = ASC_BOARDP(shp); + memset(boardp, 0, sizeof(asc_board_t)); + boardp->id = asc_board_count - 1; + + /* + * Handle both narrow and wide boards. + * + * If a Wide board was detected, set the board structure + * wide board flag. Set-up the board structure based on + * the board type. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + if (asc_bus[bus] == ASC_IS_PCI && + pciConfig.deviceID == ASC_PCI_DEVICE_ID_2300) { + boardp->flags |= ASC_IS_WIDE_BOARD; + } +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + if (asc_bus[bus] == ASC_IS_PCI && + pci_devp->device == ASC_PCI_DEVICE_ID_2300) { + boardp->flags |= ASC_IS_WIDE_BOARD; + } +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ + + if (ASC_NARROW_BOARD(boardp)) { + ASC_DBG(1, "advansys_detect: narrow board\n"); + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + asc_dvc_varp->bus_type = asc_bus[bus]; + asc_dvc_varp->drv_ptr = (ulong) boardp; + asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg; + asc_dvc_varp->cfg->overrun_buf = &overrun_buf[0]; + asc_dvc_varp->iop_base = iop; + asc_dvc_varp->isr_callback = (Ptr2Func) asc_isr_callback; + } else { + ASC_DBG(1, "advansys_detect: wide board\n"); + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + adv_dvc_varp->drv_ptr = (ulong) boardp; + adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg; + adv_dvc_varp->isr_callback = (Ptr2Func) adv_isr_callback; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) + adv_dvc_varp->iop_base = iop; +#else /* version >= v1,3,0 */ + /* + * Map the board's registers into virtual memory for + * PCI slave access. Only memory accesses are used to + * access the board's registers. + * + * Note: The PCI register base address is not always + * page aligned, but the address passed to ioremap() + * must be page aligned. It is guaranteed that the + * PCI register base address will not cross a page + * boundary. + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + pci_memory_address = pciConfig.baseAddress[1]; + if ((boardp->ioremap_addr = + ioremap(pci_memory_address & PAGE_MASK, + PAGE_SIZE)) == 0) { + ASC_PRINT3( +"advansys_detect: board %d: ioremap(%lx, %d) returned NULL\n", + boardp->id, pci_memory_address, ADV_CONDOR_IOLEN); + scsi_unregister(shp); + asc_board_count--; + continue; + } + adv_dvc_varp->iop_base = (AdvPortAddr) + (boardp->ioremap_addr + + (pci_memory_address - (pci_memory_address & PAGE_MASK))); +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + pci_memory_address = pci_devp->base_address[1]; + if ((boardp->ioremap_addr = + ioremap(pci_memory_address & PAGE_MASK, + PAGE_SIZE)) == 0) { + ASC_PRINT3( +"advansys_detect: board %d: ioremap(%lx, %d) returned NULL\n", + boardp->id, pci_memory_address, ADV_CONDOR_IOLEN); + scsi_unregister(shp); + asc_board_count--; + continue; + } + adv_dvc_varp->iop_base = (AdvPortAddr) + (boardp->ioremap_addr + + (pci_memory_address - (pci_memory_address & PAGE_MASK))); +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ +#endif /* version >= v1,3,0 */ + + /* + * Even though it isn't used to access the board in + * kernels greater than or equal to v1.3.0, save + * the I/O Port address so that it can be reported and + * displayed. + */ + boardp->ioport = iop; + } + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + /* + * Allocate buffer for printing information from + * /proc/scsi/advansys/[0...]. + */ + if ((boardp->prtbuf = + kmalloc(ASC_PRTBUF_SIZE, GFP_ATOMIC)) == NULL) { + ASC_PRINT3( +"advansys_detect: board %d: kmalloc(%d, %d) returned NULL\n", + boardp->id, ASC_PRTBUF_SIZE, GFP_ATOMIC); + scsi_unregister(shp); + asc_board_count--; + continue; + } +#endif /* version >= v1.3.0 */ + + if (ASC_NARROW_BOARD(boardp)) { + /* + * Set the board bus type and PCI IRQ before + * calling AscInitGetConfig(). + */ + switch (asc_dvc_varp->bus_type) { + case ASC_IS_ISA: + shp->unchecked_isa_dma = TRUE; + share_irq = FALSE; + break; + case ASC_IS_VL: + shp->unchecked_isa_dma = FALSE; + share_irq = FALSE; + break; + case ASC_IS_EISA: + shp->unchecked_isa_dma = FALSE; + share_irq = TRUE; + break; +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + case ASC_IS_PCI: + shp->irq = asc_dvc_varp->irq_no = pciConfig.irqLine; + asc_dvc_varp->cfg->pci_device_id = pciConfig.deviceID; + asc_dvc_varp->cfg->pci_slot_info = + ASC_PCI_MKID(pciDevice.busNumber, + pciDevice.slotFound, + pciDevice.devFunc); + shp->unchecked_isa_dma = FALSE; + share_irq = TRUE; + break; +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + case ASC_IS_PCI: + shp->irq = asc_dvc_varp->irq_no = pci_devp->irq; + asc_dvc_varp->cfg->pci_device_id = pci_devp->device; + asc_dvc_varp->cfg->pci_slot_info = + ASC_PCI_MKID(pci_devp->bus->number, + PCI_SLOT(pci_devp->devfn), + PCI_FUNC(pci_devp->devfn)); + shp->unchecked_isa_dma = FALSE; + share_irq = TRUE; + break; +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ + default: + ASC_PRINT2( +"advansys_detect: board %d: unknown adapter type: %d\n", + boardp->id, asc_dvc_varp->bus_type); + shp->unchecked_isa_dma = TRUE; + share_irq = FALSE; + break; + } + } else { + /* + * For Wide boards set PCI information before calling + * AdvInitGetConfig(). + */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + shp->irq = adv_dvc_varp->irq_no = pciConfig.irqLine; + adv_dvc_varp->cfg->pci_device_id = pciConfig.deviceID; + adv_dvc_varp->cfg->pci_slot_info = + ASC_PCI_MKID(pciDevice.busNumber, + pciDevice.slotFound, + pciDevice.devFunc); + shp->unchecked_isa_dma = FALSE; + share_irq = TRUE; +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + shp->irq = adv_dvc_varp->irq_no = pci_devp->irq; + adv_dvc_varp->cfg->pci_device_id = pci_devp->device; + adv_dvc_varp->cfg->pci_slot_info = + ASC_PCI_MKID(pci_devp->bus->number, + PCI_SLOT(pci_devp->devfn), + PCI_FUNC(pci_devp->devfn)); + shp->unchecked_isa_dma = FALSE; + share_irq = TRUE; +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ + } + + /* + * Read the board configuration. + */ + if (ASC_NARROW_BOARD(boardp)) { + /* + * NOTE: AscInitGetConfig() may change the board's + * bus_type value. The asc_bus[bus] value should no + * longer be used. If the bus_type field must be + * referenced only use the bit-wise AND operator "&". + */ + ASC_DBG(2, "advansys_detect: AscInitGetConfig()\n"); + switch(ret = AscInitGetConfig(asc_dvc_varp)) { + case 0: /* No error */ + break; + case ASC_WARN_IO_PORT_ROTATE: + ASC_PRINT1( +"AscInitGetConfig: board %d: I/O port address modified\n", + boardp->id); + break; + case ASC_WARN_AUTO_CONFIG: + ASC_PRINT1( +"AscInitGetConfig: board %d: I/O port increment switch enabled\n", + boardp->id); + break; + case ASC_WARN_EEPROM_CHKSUM: + ASC_PRINT1( +"AscInitGetConfig: board %d: EEPROM checksum error\n", + boardp->id); + break; + case ASC_WARN_IRQ_MODIFIED: + ASC_PRINT1( +"AscInitGetConfig: board %d: IRQ modified\n", + boardp->id); + break; + case ASC_WARN_CMD_QNG_CONFLICT: + ASC_PRINT1( +"AscInitGetConfig: board %d: tag queuing enabled w/o disconnects\n", + boardp->id); + break; + default: + ASC_PRINT2( +"AscInitGetConfig: board %d: unknown warning: %x\n", + boardp->id, ret); + break; + } + if ((err_code = asc_dvc_varp->err_code) != 0) { + ASC_PRINT3( +"AscInitGetConfig: board %d error: init_state %x, err_code %x\n", + boardp->id, asc_dvc_varp->init_state, + asc_dvc_varp->err_code); + } + } else { + ASC_DBG(2, "advansys_detect: AdvInitGetConfig()\n"); + if ((ret = AdvInitGetConfig(adv_dvc_varp)) != 0) { + ASC_PRINT2("AdvInitGetConfig: board %d: warning: %x\n", + boardp->id, ret); + } + if ((err_code = adv_dvc_varp->err_code) != 0) { + ASC_PRINT2( +"AdvInitGetConfig: board %d error: err_code %x\n", + boardp->id, adv_dvc_varp->err_code); + } + } + + if (err_code != 0) { +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + kfree(boardp->prtbuf); +#endif /* version >= v1.3.0 */ + scsi_unregister(shp); + asc_board_count--; + continue; + } + + /* + * Save the EEPROM configuration so that it can be displayed + * from /proc/scsi/advansys/[0...]. + */ + if (ASC_NARROW_BOARD(boardp)) { + + ASCEEP_CONFIG *ep; + + /* + * Set the adapter's target id bit in the 'init_tidmask' field. + */ + boardp->init_tidmask |= + ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id); + + /* + * Save EEPROM settings for the board. + */ + ep = &boardp->eep_config.asc_eep; + + ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable; + ep->disc_enable = asc_dvc_varp->cfg->disc_enable; + ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled; + ep->isa_dma_speed = asc_dvc_varp->cfg->isa_dma_speed; + ep->start_motor = asc_dvc_varp->start_motor; + ep->cntl = asc_dvc_varp->dvc_cntl; + ep->no_scam = asc_dvc_varp->no_scam; + ep->max_total_qng = asc_dvc_varp->max_total_qng; + ep->chip_scsi_id = asc_dvc_varp->cfg->chip_scsi_id; + /* 'max_tag_qng' is set to the same value for every device. */ + ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0]; + ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0]; + ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1]; + ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2]; + ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3]; + ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4]; + ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5]; + ep->adapter_info[6] = asc_dvc_varp->cfg->adapter_info[6]; + + /* + * Modify board configuration. + */ + ASC_DBG(2, "advansys_detect: AscInitSetConfig()\n"); + switch (ret = AscInitSetConfig(asc_dvc_varp)) { + case 0: /* No error. */ + break; + case ASC_WARN_IO_PORT_ROTATE: + ASC_PRINT1( +"AscInitSetConfig: board %d: I/O port address modified\n", + boardp->id); + break; + case ASC_WARN_AUTO_CONFIG: + ASC_PRINT1( +"AscInitSetConfig: board %d: I/O port increment switch enabled\n", + boardp->id); + break; + case ASC_WARN_EEPROM_CHKSUM: + ASC_PRINT1( +"AscInitSetConfig: board %d: EEPROM checksum error\n", + boardp->id); + break; + case ASC_WARN_IRQ_MODIFIED: + ASC_PRINT1( +"AscInitSetConfig: board %d: IRQ modified\n", + boardp->id); + break; + case ASC_WARN_CMD_QNG_CONFLICT: + ASC_PRINT1( +"AscInitSetConfig: board %d: tag queuing w/o disconnects\n", + boardp->id); + break; + default: + ASC_PRINT2( +"AscInitSetConfig: board %d: unknown warning: %x\n", + boardp->id, ret); + break; + } + if (asc_dvc_varp->err_code != 0) { + ASC_PRINT3( +"AscInitSetConfig: board %d error: init_state %x, err_code %x\n", + boardp->id, asc_dvc_varp->init_state, + asc_dvc_varp->err_code); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + kfree(boardp->prtbuf); +#endif /* version >= v1.3.0 */ + scsi_unregister(shp); + asc_board_count--; + continue; + } + + /* + * Finish initializing the 'Scsi_Host' structure. + */ + /* AscInitSetConfig() will set the IRQ for non-PCI boards. */ + if ((asc_dvc_varp->bus_type & ASC_IS_PCI) == 0) { + shp->irq = asc_dvc_varp->irq_no; + } + } else { + + ADVEEP_CONFIG *ep; + + /* + * Save Wide EEP Configuration Information. + */ + ep = &boardp->eep_config.adv_eep; + + ep->adapter_scsi_id = adv_dvc_varp->chip_scsi_id; + ep->max_host_qng = adv_dvc_varp->max_host_qng; + ep->max_dvc_qng = adv_dvc_varp->max_dvc_qng; + ep->termination = adv_dvc_varp->cfg->termination; + ep->disc_enable = adv_dvc_varp->cfg->disc_enable; + ep->bios_ctrl = adv_dvc_varp->bios_ctrl; + ep->wdtr_able = adv_dvc_varp->wdtr_able; + ep->sdtr_able = adv_dvc_varp->sdtr_able; + ep->ultra_able = adv_dvc_varp->ultra_able; + ep->tagqng_able = adv_dvc_varp->tagqng_able; + ep->start_motor = adv_dvc_varp->start_motor; + ep->scsi_reset_delay = adv_dvc_varp->scsi_reset_wait; + ep->bios_boot_delay = adv_dvc_varp->cfg->bios_boot_wait; + ep->serial_number_word1 = adv_dvc_varp->cfg->serial1; + ep->serial_number_word2 = adv_dvc_varp->cfg->serial2; + ep->serial_number_word3 = adv_dvc_varp->cfg->serial3; + + /* + * Set the adapter's target id bit in the 'init_tidmask' field. + */ + boardp->init_tidmask |= + ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id); + + /* + * Finish initializing the 'Scsi_Host' structure. + */ + shp->irq = adv_dvc_varp->irq_no; + } + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + /* + * Channels are numbered beginning with 0. For AdvanSys One host + * structure supports one channel. Multi-channel boards have a + * separate host structure for each channel. + */ + shp->max_channel = 0; +#endif /* version >= v1.3.89 */ + if (ASC_NARROW_BOARD(boardp)) { + shp->max_id = ASC_MAX_TID + 1; + shp->max_lun = ASC_MAX_LUN + 1; + + shp->io_port = asc_dvc_varp->iop_base; + shp->n_io_port = ASC_IOADR_GAP; + shp->this_id = asc_dvc_varp->cfg->chip_scsi_id; + + /* Set maximum number of queues the adapter can handle. */ + shp->can_queue = asc_dvc_varp->max_total_qng; + } else { + shp->max_id = ADV_MAX_TID + 1; + shp->max_lun = ADV_MAX_LUN + 1; + + /* + * Save the I/O Port address and length even though the + * in v1.3.0 and greater kernels the region is not used + * by a Wide board. Instead the board is accessed with + * Memory Mapped I/O. + */ + shp->io_port = iop; + shp->n_io_port = ADV_CONDOR_IOLEN; + + shp->this_id = adv_dvc_varp->chip_scsi_id; + + /* Set maximum number of queues the adapter can handle. */ + shp->can_queue = adv_dvc_varp->max_host_qng; + } + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,89) + /* + * In old kernels without tag queuing support and with memory + * allocation problems set a conservative 'cmd_per_lun' value. + */ +#ifdef MODULE + shp->cmd_per_lun = 1; +#else /* MODULE */ + shp->cmd_per_lun = 4; +#endif /* MODULE */ + ASC_DBG1(1, "advansys_detect: cmd_per_lun: %d\n", shp->cmd_per_lun); +#else /* version >= v1.3.89 */ + /* + * Following v1.3.89, 'cmd_per_lun' is no longer needed + * and should be set to zero. + * + * But because of a bug introduced in v1.3.89 if the driver is + * compiled as a module and 'cmd_per_lun' is zero, the Mid-Level + * SCSI function 'allocate_device' will panic. To allow the driver + * to work as a module in these kernels set 'cmd_per_lun' to 1. + */ +#ifdef MODULE + shp->cmd_per_lun = 1; +#else /* MODULE */ + shp->cmd_per_lun = 0; +#endif /* MODULE */ + /* + * Use the host 'select_queue_depths' function to determine + * the number of commands to queue per device. + */ + shp->select_queue_depths = advansys_select_queue_depths; +#endif /* version >= v1.3.89 */ + + /* + * Set the maximum number of scatter-gather elements the + * adapter can handle. + */ + if (ASC_NARROW_BOARD(boardp)) { + /* + * Allow two commands with 'sg_tablesize' scatter-gather + * elements to be executed simultaneously. This value is + * the theoretical hardware limit. It may be decreased + * below. + */ + shp->sg_tablesize = + (((asc_dvc_varp->max_total_qng - 2) / 2) * + ASC_SG_LIST_PER_Q) + 1; + } else { + shp->sg_tablesize = ADV_MAX_SG_LIST; + } + +#ifdef MODULE + /* + * If the driver is compiled as a module, set a limit on the + * 'sg_tablesize' value to prevent memory allocation failures. + * Memory allocation errors are more likely to occur at module + * load time, then at driver initialization time. + */ + if (shp->sg_tablesize > 64) { + shp->sg_tablesize = 64; + } +#endif /* MODULE */ + + /* + * The value of 'sg_tablesize' can not exceed the SCSI + * mid-level driver definition of SG_ALL. SG_ALL also + * must not be exceeded, because it is used to define the + * size of the scatter-gather table in 'struct asc_sg_head'. + */ + if (shp->sg_tablesize > SG_ALL) { + shp->sg_tablesize = SG_ALL; + } + + ASC_DBG1(1, "advansys_detect: sg_tablesize: %d\n", + shp->sg_tablesize); + + /* BIOS start address. */ + if (ASC_NARROW_BOARD(boardp)) { + shp->base = (char *) ((ulong) AscGetChipBiosAddress( + asc_dvc_varp->iop_base, + asc_dvc_varp->bus_type)); + } else { + /* + * Fill-in BIOS board variables. The Wide BIOS saves + * information in LRAM that is used by the driver. + */ + AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_SIGNATURE, + boardp->bios_signature); + AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_VERSION, + boardp->bios_version); + AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODESEG, + boardp->bios_codeseg); + AdvReadWordLram(adv_dvc_varp->iop_base, BIOS_CODELEN, + boardp->bios_codelen); + + ASC_DBG2(1, + "advansys_detect: bios_signature %x, bios_version %x\n", + boardp->bios_signature, boardp->bios_version); + + ASC_DBG2(1, + "advansys_detect: bios_codeseg %x, bios_codelen %x\n", + boardp->bios_codeseg, boardp->bios_codelen); + + /* + * If the BIOS saved a valid signature, then fill in + * the BIOS code segment base address. + */ + if (boardp->bios_signature == 0x55AA) { + /* + * Convert x86 realmode code segment to a linear + * address by shifting left 4. + */ + shp->base = (uchar *) (boardp->bios_codeseg << 4); + } else { + shp->base = 0; + } + } + + /* + * Register Board Resources - I/O Port, DMA, IRQ + */ + + /* Register I/O port range. */ + ASC_DBG(2, "advansys_detect: request_region()\n"); + request_region(shp->io_port, shp->n_io_port, "advansys"); + + /* Register DMA Channel for Narrow boards. */ + shp->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */ + if (ASC_NARROW_BOARD(boardp)) { + /* Register DMA channel for ISA bus. */ + if (asc_dvc_varp->bus_type & ASC_IS_ISA) { + shp->dma_channel = asc_dvc_varp->cfg->isa_dma_channel; + if ((ret = + request_dma(shp->dma_channel, "advansys")) != 0) { + ASC_PRINT3( +"advansys_detect: board %d: request_dma() %d failed %d\n", + boardp->id, shp->dma_channel, ret); + release_region(shp->io_port, shp->n_io_port); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + kfree(boardp->prtbuf); +#endif /* version >= v1.3.0 */ + scsi_unregister(shp); + asc_board_count--; + continue; + } + AscEnableIsaDma(shp->dma_channel); + } + } + + /* Register IRQ Number. */ + ASC_DBG1(2, "advansys_detect: request_irq() %d\n", shp->irq); +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,70) + if ((ret = request_irq(shp->irq, advansys_interrupt, + SA_INTERRUPT, "advansys")) != 0) +#else /* version >= v1.3.70 */ + /* + * If request_irq() fails with the SA_INTERRUPT flag set, + * then try again without the SA_INTERRUPT flag set. This + * allows IRQ sharing to work even with other drivers that + * do not set the SA_INTERRUPT flag. + * + * If SA_INTERRUPT is not set, then interrupts are enabled + * before the driver interrupt function is called. + */ + if (((ret = request_irq(shp->irq, advansys_interrupt, + SA_INTERRUPT | (share_irq == TRUE ? SA_SHIRQ : 0), + "advansys", boardp)) != 0) && + ((ret = request_irq(shp->irq, advansys_interrupt, + (share_irq == TRUE ? SA_SHIRQ : 0), + "advansys", boardp)) != 0)) +#endif /* version >= v1.3.70 */ + { + if (ret == -EBUSY) { + ASC_PRINT2( +"advansys_detect: board %d: request_irq(): IRQ %d already in use.\n", + boardp->id, shp->irq); + } else if (ret == -EINVAL) { + ASC_PRINT2( +"advansys_detect: board %d: request_irq(): IRQ %d not valid.\n", + boardp->id, shp->irq); + } else { + ASC_PRINT3( +"advansys_detect: board %d: request_irq(): IRQ %d failed with %d\n", + boardp->id, shp->irq, ret); + } + release_region(shp->io_port, shp->n_io_port); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + iounmap(boardp->ioremap_addr); +#endif /* version >= v1,3,0 */ + if (shp->dma_channel != NO_ISA_DMA) { + free_dma(shp->dma_channel); + } +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + kfree(boardp->prtbuf); +#endif /* version >= v1.3.0 */ + scsi_unregister(shp); + asc_board_count--; + continue; + } + + /* + * Initialize board RISC chip and enable interrupts. + */ + if (ASC_NARROW_BOARD(boardp)) { + ASC_DBG(2, "advansys_detect: AscInitAsc1000Driver()\n"); + warn_code = AscInitAsc1000Driver(asc_dvc_varp); + err_code = asc_dvc_varp->err_code; + + if (warn_code || err_code) { + ASC_PRINT4( +"AscInitAsc1000Driver: board %d: error: init_state %x, warn %x error %x\n", + boardp->id, asc_dvc_varp->init_state, + warn_code, err_code); + } + } else { + int req_cnt; + adv_req_t *reqp = NULL; + int sg_cnt; + adv_sgblk_t *sgp = NULL; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) + req_cnt = sizeof(adv_req_buf)/sizeof(adv_req_t); + sg_cnt = sizeof(adv_sgblk_buf)/sizeof(adv_sgblk_t); + reqp = (adv_req_t *) &adv_req_buf[0]; + sgp = (adv_sgblk_t *) &adv_sgblk_buf[0]; +#else /* version >= v1.3.0 */ + /* + * Allocate up to 'max_host_qng' request structures for + * the Wide board. + */ + for (req_cnt = adv_dvc_varp->max_host_qng; + req_cnt > 0; req_cnt--) { + + reqp = (adv_req_t *) + kmalloc(sizeof(adv_req_t) * req_cnt, GFP_ATOMIC); + + ASC_DBG3(1, + "advansys_detect: reqp %x, req_cnt %d, bytes %d\n", + (unsigned) reqp, req_cnt, sizeof(adv_req_t) * req_cnt); + + if (reqp != NULL) { + break; + } + } + + /* + * Allocate up to ADV_TOT_SG_LIST request structures for + * the Wide board. + */ + for (sg_cnt = ADV_TOT_SG_LIST; sg_cnt > 0; sg_cnt--) { + + sgp = (adv_sgblk_t *) + kmalloc(sizeof(adv_sgblk_t) * sg_cnt, GFP_ATOMIC); + + ASC_DBG3(1, + "advansys_detect: sgp %x, sg_cnt %d, bytes %d\n", + (unsigned) sgp, sg_cnt, sizeof(adv_sgblk_t) * sg_cnt); + + if (sgp != NULL) { + break; + } + } +#endif /* version >= v1.3.0 */ + + /* + * If no request structures or scatter-gather structures could + * be allocated, then return an error. Otherwise continue with + * initialization. + */ + if (reqp == NULL) { + ASC_PRINT1( +"advansys_detect: board %d: error: failed to kmalloc() adv_req_t buffer.\n", + boardp->id); + err_code = ADV_ERROR; + } else if (sgp == NULL) { + kfree(reqp); + ASC_PRINT1( +"advansys_detect: board %d: error: failed to kmalloc() adv_sgblk_t buffer.\n", + boardp->id); + err_code = ADV_ERROR; + } else { + + /* + * Save original pointer for kfree() in case the + * driver is built as a module and can be unloaded. + */ + boardp->orig_reqp = reqp; + + /* + * Point 'adv_reqp' to the request structures and + * link them together. + */ + req_cnt--; + reqp[req_cnt].next_reqp = NULL; + for (; req_cnt > 0; req_cnt--) { + reqp[req_cnt - 1].next_reqp = &reqp[req_cnt]; + } + boardp->adv_reqp = &reqp[0]; + + /* + * Save original pointer for kfree() in case the + * driver is built as a module and can be unloaded. + */ + boardp->orig_sgblkp = sgp; + + /* + * Point 'adv_sgblkp' to the request structures and + * link them together. + */ + sg_cnt--; + sgp[sg_cnt].next_sgblkp = NULL; + for (; sg_cnt > 0; sg_cnt--) { + sgp[sg_cnt - 1].next_sgblkp = &sgp[sg_cnt]; + } + boardp->adv_sgblkp = &sgp[0]; + + ASC_DBG(2, "advansys_detect: AdvInitAsc3550Driver()\n"); + warn_code = AdvInitAsc3550Driver(adv_dvc_varp); + err_code = adv_dvc_varp->err_code; + + if (warn_code || err_code) { + ASC_PRINT3( +"AdvInitAsc3550Driver: board %d: error: warn %x, error %x\n", + boardp->id, warn_code, adv_dvc_varp->err_code); + } + } + } + + if (err_code != 0) { + release_region(shp->io_port, shp->n_io_port); + if (ASC_WIDE_BOARD(boardp)) { +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + iounmap(boardp->ioremap_addr); +#endif /* version >= v1,3,0 */ + if (boardp->orig_reqp) { + kfree(boardp->orig_reqp); + boardp->orig_reqp = boardp->adv_reqp = NULL; + } + if (boardp->orig_sgblkp) { + kfree(boardp->orig_sgblkp); + boardp->orig_sgblkp = boardp->adv_sgblkp = NULL; + } + } + if (shp->dma_channel != NO_ISA_DMA) { + free_dma(shp->dma_channel); + } +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + kfree(boardp->prtbuf); +#endif /* version >= v1.3.0 */ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,70) + free_irq(shp->irq); +#else /* version >= v1.3.70 */ + free_irq(shp->irq, boardp); +#endif /* version >= v1.3.70 */ + scsi_unregister(shp); + asc_board_count--; + continue; + } + ASC_DBG_PRT_SCSI_HOST(2, shp); + } + } + ASC_DBG1(1, "advansys_detect: done: asc_board_count %d\n", asc_board_count); + return asc_board_count; +} + +/* + * advansys_release() + * + * Release resources allocated for a single AdvanSys adapter. + */ +int +advansys_release(struct Scsi_Host *shp) +{ + asc_board_t *boardp; + + ASC_DBG(1, "advansys_release: begin\n"); + boardp = ASC_BOARDP(shp); +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,70) + free_irq(shp->irq); +#else /* version >= v1.3.70 */ + free_irq(shp->irq, boardp); +#endif /* version >= v1.3.70 */ + if (shp->dma_channel != NO_ISA_DMA) { + ASC_DBG(1, "advansys_release: free_dma()\n"); + free_dma(shp->dma_channel); + } + release_region(shp->io_port, shp->n_io_port); + if (ASC_WIDE_BOARD(boardp)) { +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + iounmap(boardp->ioremap_addr); +#endif /* version >= v1,3,0 */ + if (boardp->orig_reqp) { + kfree(boardp->orig_reqp); + boardp->orig_reqp = boardp->adv_reqp = NULL; + } + if (boardp->orig_sgblkp) { + kfree(boardp->orig_sgblkp); + boardp->orig_sgblkp = boardp->adv_sgblkp = NULL; + } + } +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) + ASC_ASSERT(boardp->prtbuf != NULL); + kfree(boardp->prtbuf); +#endif /* version >= v1.3.0 */ + scsi_unregister(shp); + ASC_DBG(1, "advansys_release: end\n"); + return 0; +} + +/* + * advansys_info() + * + * Return suitable for printing on the console with the argument + * adapter's configuration information. + * + * Note: The information line should not exceed ASC_INFO_SIZE bytes, + * otherwise the static 'info' array will be overrun. + */ +const char * +advansys_info(struct Scsi_Host *shp) +{ + static char info[ASC_INFO_SIZE]; + asc_board_t *boardp; + ASC_DVC_VAR *asc_dvc_varp; + ADV_DVC_VAR *adv_dvc_varp; + char *busname; + + boardp = ASC_BOARDP(shp); + if (ASC_NARROW_BOARD(boardp)) { + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + ASC_DBG(1, "advansys_info: begin\n"); + if (asc_dvc_varp->bus_type & ASC_IS_ISA) { + if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) == ASC_IS_ISAPNP) { + busname = "ISA PnP"; + } else { + busname = "ISA"; + } + sprintf(info, +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,92) +"AdvanSys SCSI %s: %s %u CDB: BIOS %X, IO %X/%X, IRQ %u, DMA %u", +#else /* version >= v2.1.92 */ +"AdvanSys SCSI %s: %s %u CDB: BIOS %X, IO %lX/%X, IRQ %u, DMA %u", +#endif /* version >= v2.1.92 */ + ASC_VERSION, busname, asc_dvc_varp->max_total_qng, + (unsigned) shp->base, + shp->io_port, shp->n_io_port - 1, + shp->irq, shp->dma_channel); + } else if (asc_dvc_varp->bus_type & ASC_IS_PCI) { + if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA) + == ASC_IS_PCI_ULTRA) { + busname = "PCI Ultra"; + } else { + busname = "PCI"; + } + sprintf(info, +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,92) + "AdvanSys SCSI %s: %s %u CDB: IO %X/%X, IRQ %u", +#else /* version >= v2.1.92 */ + "AdvanSys SCSI %s: %s %u CDB: IO %lX/%X, IRQ %u", +#endif /* version >= v2.1.92 */ + ASC_VERSION, busname, asc_dvc_varp->max_total_qng, + shp->io_port, shp->n_io_port - 1, shp->irq); + } else { + if (asc_dvc_varp->bus_type & ASC_IS_VL) { + busname = "VL"; + } else if (asc_dvc_varp->bus_type & ASC_IS_EISA) { + busname = "EISA"; + } else { + busname = "?"; + ASC_PRINT2( + "advansys_info: board %d: unknown bus type %d\n", + boardp->id, asc_dvc_varp->bus_type); + } + sprintf(info, +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,92) + "AdvanSys SCSI %s: %s %u CDB: BIOS %X, IO %X/%X, IRQ %u", +#else /* version >= v2.1.92 */ + "AdvanSys SCSI %s: %s %u CDB: BIOS %X, IO %lX/%X, IRQ %u", +#endif /* version >= v2.1.92 */ + ASC_VERSION, busname, asc_dvc_varp->max_total_qng, + (unsigned) shp->base, shp->io_port - 1, + shp->n_io_port, shp->irq); + } + } else { + /* + * Wide Adapter Information + * + * Memory-mapped I/O is used instead of I/O space to access + * the adapter, but display the I/O Port range. The Memory + * I/O address is displayed through the driver /proc file. + */ + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + if (boardp->bios_signature == 0x55AA) { + sprintf(info, +"AdvanSys SCSI %s: PCI Ultra-Wide: BIOS %X/%X, IO %X/%X, IRQ %u", + ASC_VERSION, + boardp->bios_codeseg << 4, + boardp->bios_codelen > 0 ? + (boardp->bios_codelen << 9) - 1 : 0, + (unsigned) boardp->ioport, ADV_CONDOR_IOLEN - 1, + shp->irq); + } else { + sprintf(info, +"AdvanSys SCSI %s: PCI Ultra-Wide: IO %X/%X, IRQ %u", + ASC_VERSION, + (unsigned) boardp->ioport, + (ADV_CONDOR_IOLEN - 1), + shp->irq); + } + } + ASC_ASSERT(strlen(info) < ASC_INFO_SIZE); + ASC_DBG(1, "advansys_info: end\n"); + return info; +} + +/* + * advansys_command() - polled I/O entrypoint. + * + * Apparently host drivers shouldn't return until the command + * is finished. + * + * Note: This is an old interface that is no longer used by the SCSI + * mid-level driver. The new interface, advansys_queuecommand(), + * currently handles all requests. + */ +int +advansys_command(Scsi_Cmnd *scp) +{ + ASC_DBG1(1, "advansys_command: scp %x\n", (unsigned) scp); + ASC_STATS(scp->host, command); + scp->SCp.Status = 0; /* Set to a known state */ + advansys_queuecommand(scp, advansys_command_done); + while (scp->SCp.Status == 0) { + continue; + } + ASC_DBG1(1, "advansys_command: result %x\n", scp->result); + return scp->result; +} + +/* + * advansys_queuecommand() - interrupt-driven I/O entrypoint. + * + * This function always returns 0. Command return status is saved + * in the 'scp' result field. + */ +int +advansys_queuecommand(Scsi_Cmnd *scp, void (*done)(Scsi_Cmnd *)) +{ + struct Scsi_Host *shp; + asc_board_t *boardp; + int flags; + Scsi_Cmnd *done_scp; + + shp = scp->host; + boardp = ASC_BOARDP(shp); + ASC_STATS(shp, queuecommand); + + /* + * Disable interrupts to preserve request ordering and provide + * mutually exclusive access to global structures used to initiate + * a request. + */ + save_flags(flags); + cli(); + + /* + * Block new commands while handling a reset or abort request. + */ + if (boardp->flags & (ASC_HOST_IN_RESET | ASC_HOST_IN_ABORT)) { + if (boardp->flags & ASC_HOST_IN_RESET) { + ASC_DBG1(1, + "advansys_queuecommand: scp %x blocked for reset request\n", + (unsigned) scp); + scp->result = HOST_BYTE(DID_RESET); + } else { + ASC_DBG1(1, + "advansys_queuecommand: scp %x blocked for abort request\n", + (unsigned) scp); + scp->result = HOST_BYTE(DID_ABORT); + } + + /* + * Add blocked requests to the board's 'done' queue. The queued + * requests will be completed at the end of the abort or reset + * handling. + */ + asc_enqueue(&boardp->done, scp, ASC_BACK); + restore_flags(flags); + return 0; + } + + /* + * Attempt to execute any waiting commands for the board. + */ + if (!ASC_QUEUE_EMPTY(&boardp->waiting)) { + ASC_DBG(1, + "advansys_queuecommand: before asc_execute_queue() waiting\n"); + asc_execute_queue(&boardp->waiting); + } + + /* + * Save the function pointer to Linux mid-level 'done' function + * and attempt to execute the command. + * + * If ASC_ERROR is returned the request has been added to the + * board's 'active' queue and will be completed by the interrupt + * handler. + * + * If ASC_BUSY is returned add the request to the board's per + * target waiting list. + * + * If an error occurred, the request will have been placed on the + * board's 'done' queue and must be completed before returning. + */ + scp->scsi_done = done; + switch (asc_execute_scsi_cmnd(scp)) { + case ASC_NOERROR: + break; + case ASC_BUSY: + asc_enqueue(&boardp->waiting, scp, ASC_BACK); + break; + case ASC_ERROR: + default: + done_scp = asc_dequeue_list(&boardp->done, NULL, ASC_TID_ALL); + /* Interrupts could be enabled here. */ + asc_scsi_done_list(done_scp); + break; + } + + restore_flags(flags); + return 0; +} + +/* + * advansys_abort() + * + * Abort the command specified by 'scp'. + */ +int +advansys_abort(Scsi_Cmnd *scp) +{ + struct Scsi_Host *shp; + asc_board_t *boardp; + ASC_DVC_VAR *asc_dvc_varp; + ADV_DVC_VAR *adv_dvc_varp; + int flags; + int do_scsi_done; + int scp_found; + Scsi_Cmnd *done_scp = NULL; + int ret; + + /* Save current flags and disable interrupts. */ + save_flags(flags); + cli(); + + ASC_DBG1(1, "advansys_abort: scp %x\n", (unsigned) scp); + +#ifdef ADVANSYS_STATS + if (scp->host != NULL) { + ASC_STATS(scp->host, abort); + } +#endif /* ADVANSYS_STATS */ + +#ifdef ADVANSYS_ASSERT + do_scsi_done = ASC_ERROR; + scp_found = ASC_ERROR; + ret = ASC_ERROR; +#endif /* ADVANSYS_ASSERT */ + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + if (scp->serial_number != scp->serial_number_at_timeout) { + ASC_PRINT1( +"advansys_abort: timeout serial number changed for request %x\n", + (unsigned) scp); + do_scsi_done = ASC_FALSE; + scp_found = ASC_FALSE; + ret = SCSI_ABORT_NOT_RUNNING; + } else +#endif /* version >= v1.3.89 */ + if ((shp = scp->host) == NULL) { + scp->result = HOST_BYTE(DID_ERROR); + do_scsi_done = ASC_TRUE; + scp_found = ASC_FALSE; + ret = SCSI_ABORT_ERROR; + } else if ((boardp = ASC_BOARDP(shp))->flags & + (ASC_HOST_IN_RESET | ASC_HOST_IN_ABORT)) { + ASC_PRINT2( +"advansys_abort: board %d: Nested host reset or abort, flags 0x%x\n", + boardp->id, boardp->flags); + do_scsi_done = ASC_TRUE; + if ((asc_rmqueue(&boardp->active, scp) == ASC_TRUE) || + (asc_rmqueue(&boardp->waiting, scp) == ASC_TRUE)) { + scp_found = ASC_TRUE; + } else { + scp_found = ASC_FALSE; + } + scp->result = HOST_BYTE(DID_ERROR); + ret = SCSI_ABORT_ERROR; + } else { + /* Set abort flag to avoid nested reset or abort requests. */ + boardp->flags |= ASC_HOST_IN_ABORT; + + do_scsi_done = ASC_TRUE; + if (asc_rmqueue(&boardp->waiting, scp) == ASC_TRUE) { + /* + * If asc_rmqueue() found the command on the waiting + * queue, it had not been sent to the device. After + * the queue is removed, no other handling is required. + */ + ASC_DBG1(1, "advansys_abort: scp %x found on waiting queue\n", + (unsigned) scp); + scp_found = ASC_TRUE; + scp->result = HOST_BYTE(DID_ABORT); + ret = SCSI_ABORT_SUCCESS; + } else if (asc_isqueued(&boardp->active, scp) == ASC_TRUE) { + /* + * If asc_isqueued() found the command on the active + * queue, it has been sent to the device. The command + * will be returned through the interrupt handler after + * it has been aborted. + */ + + if (ASC_NARROW_BOARD(boardp)) { + /* + * Narrow Board + */ + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + scp->result = HOST_BYTE(DID_ABORT); + + sti(); /* Enable interrupts for AscAbortSRB(). */ + ASC_DBG1(1, "advansys_abort: before AscAbortSRB(), scp %x\n", + (unsigned) scp); + switch (AscAbortSRB(asc_dvc_varp, (ulong) scp)) { + case ASC_TRUE: + /* asc_isr_callback() will be called */ + ASC_DBG(1, "advansys_abort: AscAbortSRB() TRUE\n"); + ret = SCSI_ABORT_PENDING; + break; + case ASC_FALSE: + /* Request has apparently already completed. */ + ASC_DBG(1, "advansys_abort: AscAbortSRB() FALSE\n"); + ret = SCSI_ABORT_NOT_RUNNING; + break; + case ASC_ERROR: + default: + ASC_DBG(1, "advansys_abort: AscAbortSRB() ERROR\n"); + ret = SCSI_ABORT_ERROR; + break; + } + cli(); + } else { + /* + * Wide Board + */ + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + scp->result = HOST_BYTE(DID_ABORT); + + ASC_DBG1(1, "advansys_abort: before AdvAbortSRB(), scp %x\n", + (unsigned) scp); + switch (AdvAbortSRB(adv_dvc_varp, (ulong) scp)) { + case ASC_TRUE: + /* asc_isr_callback() will be called */ + ASC_DBG(1, "advansys_abort: AdvAbortSRB() TRUE\n"); + ret = SCSI_ABORT_PENDING; + break; + case ASC_FALSE: + /* Request has apparently already completed. */ + ASC_DBG(1, "advansys_abort: AdvAbortSRB() FALSE\n"); + ret = SCSI_ABORT_NOT_RUNNING; + break; + case ASC_ERROR: + default: + ASC_DBG(1, "advansys_abort: AdvAbortSRB() ERROR\n"); + ret = SCSI_ABORT_ERROR; + break; + } + /* + * Ensure all requests completed by the microcode have + * been processed by calling AdvISR(). + */ + (void) AdvISR(adv_dvc_varp); + } + + /* + * The request will either still be on the active queue + * or have been added to the board's done queue. + */ + if (asc_rmqueue(&boardp->active, scp) == ASC_TRUE) { + scp->result = HOST_BYTE(DID_ABORT); + scp_found = ASC_TRUE; + } else { + scp_found = asc_rmqueue(&boardp->done, scp); + ASC_ASSERT(scp_found == ASC_TRUE); + } + + } else { + /* + * The command was not found on the active or waiting queues. + */ + do_scsi_done = ASC_TRUE; + scp_found = ASC_FALSE; + ret = SCSI_ABORT_NOT_RUNNING; + } + + /* Clear abort flag. */ + boardp->flags &= ~ASC_HOST_IN_ABORT; + + /* + * Because the ASC_HOST_IN_ABORT flag causes both + * 'advansys_interrupt' and 'asc_isr_callback' to + * queue requests to the board's 'done' queue and + * prevents waiting commands from being executed, + * these queued requests must be handled here. + */ + done_scp = asc_dequeue_list(&boardp->done, NULL, ASC_TID_ALL); + + /* + * Start any waiting commands for the board. + */ + if (!ASC_QUEUE_EMPTY(&boardp->waiting)) { + ASC_DBG(1, "advansys_interrupt: before asc_execute_queue()\n"); + asc_execute_queue(&boardp->waiting); + } + } + + /* Interrupts could be enabled here. */ + + /* + * Complete the request to be aborted, unless it has been + * restarted as detected above, even if it was not found on + * the device active or waiting queues. + */ + ASC_ASSERT(do_scsi_done != ASC_ERROR); + ASC_ASSERT(scp_found != ASC_ERROR); + if (do_scsi_done == ASC_TRUE) { + if (scp->scsi_done == NULL) { + ASC_PRINT1( +"advansys_abort: aborted request scsi_done() is NULL, %x\n", + (unsigned) scp); + } else { + if (scp_found == ASC_FALSE) { + ASC_PRINT1( +"advansys_abort: abort request not active or waiting, completing anyway %x\n", + (unsigned) scp); + } + ASC_STATS(scp->host, done); + scp->scsi_done(scp); + } + } + + /* + * It is possible for the request done function to re-enable + * interrupts without confusing the driver. But here interrupts + * aren't enabled until all requests have been completed. + */ + if (done_scp != NULL) { + asc_scsi_done_list(done_scp); + } + + ASC_DBG1(1, "advansys_abort: ret %d\n", ret); + + /* Re-enable interrupts, if they were enabled on entry. */ + restore_flags(flags); + + ASC_ASSERT(ret != ASC_ERROR); + return ret; +} + +/* + * advansys_reset() + * + * Reset the device associated with the command 'scp'. + */ +int +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,89) +advansys_reset(Scsi_Cmnd *scp) +#else /* version >= v1.3.89 */ +advansys_reset(Scsi_Cmnd *scp, unsigned int reset_flags) +#endif /* version >= v1.3.89 */ +{ + struct Scsi_Host *shp; + asc_board_t *boardp; + ASC_DVC_VAR *asc_dvc_varp; + ADV_DVC_VAR *adv_dvc_varp; + int flags; + Scsi_Cmnd *done_scp = NULL, *last_scp = NULL; + Scsi_Cmnd *tscp, *new_last_scp; + int do_scsi_done; + int scp_found; + int status; + int target; + int ret; + int device_reset = ASC_FALSE; + + /* Save current flags and disable interrupts. */ + save_flags(flags); + cli(); + + ASC_DBG1(1, "advansys_reset: %x\n", (unsigned) scp); + +#ifdef ADVANSYS_STATS + if (scp->host != NULL) { + ASC_STATS(scp->host, reset); + } +#endif /* ADVANSYS_STATS */ + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + if ((reset_flags & SCSI_RESET_ASYNCHRONOUS) && + (scp->serial_number != scp->serial_number_at_timeout)) { + ASC_PRINT1( +"advansys_reset: timeout serial number changed for request %x\n", + (unsigned) scp); + do_scsi_done = ASC_FALSE; + scp_found = ASC_FALSE; + ret = SCSI_RESET_NOT_RUNNING; + } else +#endif /* version >= v1.3.89 */ + if ((shp = scp->host) == NULL) { + scp->result = HOST_BYTE(DID_ERROR); + do_scsi_done = ASC_TRUE; + scp_found = ASC_FALSE; + ret = SCSI_RESET_ERROR; + } else if ((boardp = ASC_BOARDP(shp))->flags & + (ASC_HOST_IN_RESET | ASC_HOST_IN_ABORT)) { + ASC_PRINT2( +"advansys_reset: board %d: Nested host reset or abort, flags 0x%x\n", + boardp->id, boardp->flags); + do_scsi_done = ASC_TRUE; + if ((asc_rmqueue(&boardp->active, scp) == ASC_TRUE) || + (asc_rmqueue(&boardp->waiting, scp) == ASC_TRUE)) { + scp_found = ASC_TRUE; + } else { + scp_found = ASC_FALSE; + } + scp->result = HOST_BYTE(DID_ERROR); + ret = SCSI_RESET_ERROR; + } else if (jiffies >= boardp->last_reset && + jiffies < (boardp->last_reset + (10 * HZ))) { + /* + * Don't allow a reset to be attempted within 10 seconds + * of the last reset. + * + * If 'jiffies' wrapping occurs, the reset request will go + * through, because a wrapped 'jiffies' would not pass the + * test above. + */ + ASC_DBG(1, + "advansys_reset: reset within 10 sec of last reset ignored\n"); + do_scsi_done = ASC_TRUE; + if ((asc_rmqueue(&boardp->active, scp) == ASC_TRUE) || + (asc_rmqueue(&boardp->waiting, scp) == ASC_TRUE)) { + scp_found = ASC_TRUE; + } else { + scp_found = ASC_FALSE; + } + scp->result = HOST_BYTE(DID_ERROR); + ret = SCSI_RESET_ERROR; + } else { + do_scsi_done = ASC_TRUE; + + /* Set reset flag to avoid nested reset or abort requests. */ + boardp->flags |= ASC_HOST_IN_RESET; + + /* + * If the request is on the target waiting or active queue + * or the board done queue, then remove it and note that it + * was found. + */ + if (asc_rmqueue(&boardp->active, scp) == ASC_TRUE) { + ASC_DBG(1, "advansys_reset: active scp_found = TRUE\n"); + scp_found = ASC_TRUE; + } else if (asc_rmqueue(&boardp->waiting, scp) == ASC_TRUE) { + ASC_DBG(1, "advansys_reset: waiting scp_found = TRUE\n"); + scp_found = ASC_TRUE; + } else if (asc_rmqueue(&boardp->done, scp) == ASC_TRUE) { + scp_found = ASC_TRUE; + } else { + scp_found = ASC_FALSE; + } + + + if (ASC_NARROW_BOARD(boardp)) { + /* + * Narrow Board + * + * If the suggest reset bus flags are set, then reset the bus. + * Otherwise only reset the device. + */ + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + if (reset_flags & + (SCSI_RESET_SUGGEST_BUS_RESET | + SCSI_RESET_SUGGEST_HOST_RESET)) { +#endif /* version >= v1.3.89 */ + + /* + * Reset the target's SCSI bus. + */ + ASC_DBG(1, "advansys_reset: before AscResetSB()\n"); + sti(); /* Enable interrupts for AscResetSB(). */ + status = AscResetSB(asc_dvc_varp); + cli(); + switch (status) { + case ASC_TRUE: + ASC_DBG(1, "advansys_reset: AscResetSB() success\n"); + ret = SCSI_RESET_SUCCESS; + break; + case ASC_ERROR: + default: + ASC_DBG(1, "advansys_reset: AscResetSB() failed\n"); + ret = SCSI_RESET_ERROR; + break; + } + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + } else { + /* + * Reset the specified device. If the device reset fails, + * then reset the SCSI bus. + */ + + ASC_DBG1(1, + "advansys_reset: before AscResetDevice(), target %d\n", + scp->target); + sti(); /* Enable interrupts for AscResetDevice(). */ + status = AscResetDevice(asc_dvc_varp, scp->target); + cli(); + + switch (status) { + case ASC_TRUE: + ASC_DBG(1, "advansys_reset: AscResetDevice() success\n"); + device_reset = ASC_TRUE; + ret = SCSI_RESET_SUCCESS; + break; + case ASC_ERROR: + default: + ASC_DBG(1, +"advansys_reset: AscResetDevice() failed; Calling AscResetSB()\n"); + sti(); /* Enable interrupts for AscResetSB(). */ + status = AscResetSB(asc_dvc_varp); + cli(); + switch (status) { + case ASC_TRUE: + ASC_DBG(1, "advansys_reset: AscResetSB() TRUE\n"); + ret = SCSI_RESET_SUCCESS; + break; + case ASC_ERROR: + default: + ASC_DBG(1, "advansys_reset: AscResetSB() ERROR\n"); + ret = SCSI_RESET_ERROR; + break; + } + break; + } + } +#endif /* version >= v1.3.89 */ + } else { + /* + * Wide Board + * + * If the suggest reset bus flags are set, then reset the bus. + * Otherwise only reset the device. + */ + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + if (reset_flags & + (SCSI_RESET_SUGGEST_BUS_RESET | + SCSI_RESET_SUGGEST_HOST_RESET)) { +#endif /* version >= v1.3.89 */ + + /* + * Reset the target's SCSI bus. + */ + ASC_DBG(1, "advansys_reset: before AdvResetSB()\n"); + switch (AdvResetSB(adv_dvc_varp)) { + case ASC_TRUE: + ASC_DBG(1, "advansys_reset: AdvResetSB() success\n"); + ret = SCSI_RESET_SUCCESS; + break; + case ASC_FALSE: + default: + ASC_DBG(1, "advansys_reset: AdvResetSB() failed\n"); + ret = SCSI_RESET_ERROR; + break; + } + /* + * Ensure all requests completed by the microcode have + * been processed by calling AdvISR(). + */ + (void) AdvISR(adv_dvc_varp); +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + } else { + /* + * Reset the specified device. If the device reset fails, + * then reset the SCSI bus. + */ + + ASC_DBG1(1, + "advansys_reset: before AdvResetDevice(), target %d\n", + scp->target); + + switch (AdvResetDevice(adv_dvc_varp, scp->target)) { + case ASC_TRUE: + ASC_DBG(1, "advansys_reset: AdvResetDevice() success\n"); + device_reset = ASC_TRUE; + ret = SCSI_RESET_SUCCESS; + break; + case ASC_FALSE: + default: + ASC_DBG(1, +"advansys_reset: AdvResetDevice() failed; Calling AdvResetSB()\n"); + + switch (AdvResetSB(adv_dvc_varp)) { + case ASC_TRUE: + ASC_DBG(1, "advansys_reset: AdvResetSB() TRUE\n"); + ret = SCSI_RESET_SUCCESS; + break; + case ASC_FALSE: + default: + ASC_DBG(1, "advansys_reset: AdvResetSB() ERROR\n"); + ret = SCSI_RESET_ERROR; + break; + } + break; + } + /* + * Ensure all requests completed by the microcode have + * been processed by calling AdvISR(). + */ + (void) AdvISR(adv_dvc_varp); + } +#endif /* version >= v1.3.89 */ + } + + /* + * Because the ASC_HOST_IN_RESET flag causes both + * 'advansys_interrupt' and 'asc_isr_callback' to + * queue requests to the board's 'done' queue and + * prevents waiting commands from being executed, + * these queued requests must be handled here. + */ + done_scp = asc_dequeue_list(&boardp->done, &last_scp, + ASC_TID_ALL); + + /* + * If a device reset was performed dequeue all waiting + * and active requests for the device and set the request + * status to DID_RESET. + * + * If a SCSI bus reset was performed dequeue all waiting + * and active requests for all devices and set the request + * status to DID_RESET. + */ + if (device_reset == ASC_TRUE) { + target = scp->target; + } else { + target = ASC_TID_ALL; + } + + /* + * Add active requests to 'done_scp' and set the request status + * to DID_RESET. + */ + if (done_scp == NULL) { + done_scp = asc_dequeue_list(&boardp->active, &last_scp, target); + for (tscp = done_scp; tscp; tscp = REQPNEXT(tscp)) { + tscp->result = HOST_BYTE(DID_RESET); + } + } else { + ASC_ASSERT(last_scp != NULL); + REQPNEXT(last_scp) = asc_dequeue_list(&boardp->active, + &new_last_scp, target); + if (new_last_scp != NULL) { + ASC_ASSERT(REQPNEXT(last_scp) != NULL); + for (tscp = REQPNEXT(last_scp); tscp; tscp = REQPNEXT(tscp)) { + tscp->result = HOST_BYTE(DID_RESET); + } + last_scp = new_last_scp; + } + } + + /* + * Add waiting requests to 'done_scp' and set the request status + * to DID_RESET. + */ + if (done_scp == NULL) { + done_scp = asc_dequeue_list(&boardp->waiting, &last_scp, target); + for (tscp = done_scp; tscp; tscp = REQPNEXT(tscp)) { + tscp->result = HOST_BYTE(DID_RESET); + } + } else { + ASC_ASSERT(last_scp != NULL); + REQPNEXT(last_scp) = asc_dequeue_list(&boardp->waiting, + &new_last_scp, target); + if (new_last_scp != NULL) { + ASC_ASSERT(REQPNEXT(last_scp) != NULL); + for (tscp = REQPNEXT(last_scp); tscp; tscp = REQPNEXT(tscp)) { + tscp->result = HOST_BYTE(DID_RESET); + } + last_scp = new_last_scp; + } + } + + /* Save the time of the most recently completed reset. */ + boardp->last_reset = jiffies; + + /* Clear reset flag. */ + boardp->flags &= ~ASC_HOST_IN_RESET; + + /* + * Start any waiting commands for the board. + */ + if (!ASC_QUEUE_EMPTY(&boardp->waiting)) { + ASC_DBG(1, "advansys_interrupt: before asc_execute_queue()\n"); + asc_execute_queue(&boardp->waiting); + } + ret = SCSI_RESET_SUCCESS; + } + + /* Interrupts could be enabled here. */ + + ASC_ASSERT(do_scsi_done != ASC_ERROR); + ASC_ASSERT(scp_found != ASC_ERROR); + if (do_scsi_done == ASC_TRUE) { + if (scp->scsi_done == NULL) { + ASC_PRINT1( +"advansys_reset: reset request scsi_done() is NULL, %x\n", + (unsigned) scp); + } else { + if (scp_found == ASC_FALSE) { + ASC_PRINT1( +"advansys_reset: reset request not active or waiting, completing anyway %x\n", + (unsigned) scp); + } + ASC_STATS(scp->host, done); + scp->scsi_done(scp); + } + } + + /* + * It is possible for the request done function to re-enable + * interrupts without confusing the driver. But here interrupts + * aren't enabled until requests have been completed. + */ + if (done_scp != NULL) { + asc_scsi_done_list(done_scp); + } + + ASC_DBG1(1, "advansys_reset: ret %d\n", ret); + + /* Re-enable interrupts, if they were enabled on entry. */ + restore_flags(flags); + + ASC_ASSERT(ret != ASC_ERROR); + return ret; +} + +/* + * advansys_biosparam() + * + * Translate disk drive geometry if the "BIOS greater than 1 GB" + * support is enabled for a drive. + * + * ip (information pointer) is an int array with the following definition: + * ip[0]: heads + * ip[1]: sectors + * ip[2]: cylinders + */ +int +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) +advansys_biosparam(Disk *dp, int dep, int ip[]) +#else /* version >= v1.3.0 */ +advansys_biosparam(Disk *dp, kdev_t dep, int ip[]) +#endif /* version >= v1.3.0 */ +{ + asc_board_t *boardp; + + ASC_DBG(1, "advansys_biosparam: begin\n"); + ASC_STATS(dp->device->host, biosparam); + boardp = ASC_BOARDP(dp->device->host); + if (ASC_NARROW_BOARD(boardp)) { + if ((boardp->dvc_var.asc_dvc_var.dvc_cntl & + ASC_CNTL_BIOS_GT_1GB) && dp->capacity > 0x200000) { + ip[0] = 255; + ip[1] = 63; + } else { + ip[0] = 64; + ip[1] = 32; + } + } else { + if ((boardp->dvc_var.adv_dvc_var.bios_ctrl & + BIOS_CTRL_EXTENDED_XLAT) && dp->capacity > 0x200000) { + ip[0] = 255; + ip[1] = 63; + } else { + ip[0] = 64; + ip[1] = 32; + } + } + ip[2] = dp->capacity / (ip[0] * ip[1]); + ASC_DBG(1, "advansys_biosparam: end\n"); + return 0; +} + +/* + * advansys_setup() + * + * This function is called from init/main.c at boot time. + * It it passed LILO parameters that can be set from the + * LILO command line or in /etc/lilo.conf. + * + * It is used by the AdvanSys driver to either disable I/O + * port scanning or to limit scanning to 1 - 4 I/O ports. + * Regardless of the option setting EISA and PCI boards + * will still be searched for and detected. This option + * only affects searching for ISA and VL boards. + * + * If ADVANSYS_DEBUG is defined the driver debug level may + * be set using the 5th (ASC_NUM_IOPORT_PROBE + 1) I/O Port. + * + * Examples: + * 1. Eliminate I/O port scanning: + * boot: linux advansys= + * or + * boot: linux advansys=0x0 + * 2. Limit I/O port scanning to one I/O port: + * boot: linux advansys=0x110 + * 3. Limit I/O port scanning to four I/O ports: + * boot: linux advansys=0x110,0x210,0x230,0x330 + * 4. If ADVANSYS_DEBUG, limit I/O port scanning to four I/O ports and + * set the driver debug level to 2. + * boot: linux advansys=0x110,0x210,0x230,0x330,0xdeb2 + * + * ints[0] - number of arguments + * ints[1] - first argument + * ints[2] - second argument + * ... + */ +ASC_INITFUNC( +void +advansys_setup(char *str, int *ints) +) +{ + int i; + + if (asc_iopflag == ASC_TRUE) { + printk("AdvanSys SCSI: 'advansys' LILO option may appear only once\n"); + return; + } + + asc_iopflag = ASC_TRUE; + + if (ints[0] > ASC_NUM_IOPORT_PROBE) { +#ifdef ADVANSYS_DEBUG + if ((ints[0] == ASC_NUM_IOPORT_PROBE + 1) && + (ints[ASC_NUM_IOPORT_PROBE + 1] >> 4 == 0xdeb)) { + asc_dbglvl = ints[ASC_NUM_IOPORT_PROBE + 1] & 0xf; + } else { +#endif /* ADVANSYS_DEBUG */ + printk("AdvanSys SCSI: only %d I/O ports accepted\n", + ASC_NUM_IOPORT_PROBE); +#ifdef ADVANSYS_DEBUG + } +#endif /* ADVANSYS_DEBUG */ + } + +#ifdef ADVANSYS_DEBUG + ASC_DBG1(1, "advansys_setup: ints[0] %d\n", ints[0]); + for (i = 1; i < ints[0]; i++) { + ASC_DBG2(1, " ints[%d] %x", i, ints[i]); + } + ASC_DBG(1, "\n"); +#endif /* ADVANSYS_DEBUG */ + + for (i = 1; i <= ints[0] && i <= ASC_NUM_IOPORT_PROBE; i++) { + asc_ioport[i-1] = ints[i]; + ASC_DBG2(1, "advansys_setup: asc_ioport[%d] %x\n", + i - 1, asc_ioport[i-1]); + } +} + + +/* + * --- Loadable Driver Support + */ + +#ifdef MODULE +Scsi_Host_Template driver_template = ADVANSYS; +# include "scsi_module.c" +#endif /* MODULE */ + + +/* + * --- Miscellaneous Driver Functions + */ + +/* + * First-level interrupt handler. + * + * For versions > v1.3.70, 'dev_id' is a pointer to the interrupting + * adapter's asc_board_t. Because all boards are currently checked + * for interrupts on each interrupt, 'dev_id' is not referenced. 'dev_id' + * could be used to identify an interrupt passed to the AdvanSys driver, + * which is for a device sharing an interrupt with an AdvanSys adapter. + */ +STATIC void +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,70) +advansys_interrupt(int irq, struct pt_regs *regs) +#else /* version >= v1.3.70 */ +advansys_interrupt(int irq, void *dev_id, struct pt_regs *regs) +#endif /* version >= v1.3.70 */ +{ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,95) + int flags; +#else /* version >= v2.1.95 */ + unsigned long flags; +#endif /* version >= v2.1.95 */ + int i; + asc_board_t *boardp; + Scsi_Cmnd *done_scp = NULL, *last_scp = NULL; + Scsi_Cmnd *new_last_scp; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,95) + /* Disable interrupts, if they aren't already disabled. */ + save_flags(flags); + cli(); +#else /* version >= v2.1.95 */ + /* + * Disable interrupts, if they aren't already disabled and acquire + * the I/O spinlock. + */ + spin_lock_irqsave(&io_request_lock, flags); +#endif /* version >= v2.1.95 */ + + ASC_DBG(1, "advansys_interrupt: begin\n"); + + /* + * Check for interrupts on all boards. + * AscISR() will call asc_isr_callback(). + */ + for (i = 0; i < asc_board_count; i++) { + boardp = ASC_BOARDP(asc_host[i]); + ASC_DBG2(2, "advansys_interrupt: i %d, boardp %lx\n", + i, (ulong) boardp) + if (ASC_NARROW_BOARD(boardp)) { + /* + * Narrow Board + */ + if (AscIsIntPending(asc_host[i]->io_port)) { + ASC_STATS(asc_host[i], interrupt); + ASC_DBG(1, "advansys_interrupt: before AscISR()\n"); + AscISR(&boardp->dvc_var.asc_dvc_var); + } + } else { + /* + * Wide Board + */ + ASC_DBG(1, "advansys_interrupt: before AdvISR()\n"); + if (AdvISR(&boardp->dvc_var.adv_dvc_var)) { + ASC_STATS(asc_host[i], interrupt); + } + } + + /* + * Start waiting requests and create a list of completed requests. + * + * If a reset or abort request is being performed for the board, + * the reset or abort handler will complete pending requests after + * it has completed. + */ + if ((boardp->flags & (ASC_HOST_IN_RESET | ASC_HOST_IN_ABORT)) == 0) { + ASC_DBG2(1, "advansys_interrupt: done_scp %lx, last_scp %lx\n", + (ulong) done_scp, (ulong) last_scp); + + /* Start any waiting commands for the board. */ + if (!ASC_QUEUE_EMPTY(&boardp->waiting)) { + ASC_DBG(1, "advansys_interrupt: before asc_execute_queue()\n"); + asc_execute_queue(&boardp->waiting); + } + + /* + * Add to the list of requests that must be completed. + * + * 'done_scp' will always be NULL on the first iteration + * of this loop. 'last_scp' is set at the same time as + * 'done_scp'. + */ + if (done_scp == NULL) { + done_scp = asc_dequeue_list(&boardp->done, &last_scp, + ASC_TID_ALL); + } else { + ASC_ASSERT(last_scp != NULL); + REQPNEXT(last_scp) = asc_dequeue_list(&boardp->done, + &new_last_scp, ASC_TID_ALL); + if (new_last_scp != NULL) { + ASC_ASSERT(REQPNEXT(last_scp) != NULL); + last_scp = new_last_scp; + } + } + } + } + + /* Interrupts could be enabled here. */ + + /* + * It is possible for the request done function to re-enable + * interrupts without confusing the driver. But here the + * original flags aren't restored until all requests have been + * completed. + */ + asc_scsi_done_list(done_scp); + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,95) + /* + * Restore the original flags which will enable interrupts + * if and only if they were enabled on entry. + */ + restore_flags(flags); +#else /* version >= v2.1.95 */ + /* + * Release the I/O spinlock and restore the original flags + * which will enable interrupts if and only if they were + * enabled on entry. + */ + spin_unlock_irqrestore(&io_request_lock, flags); +#endif /* version >= v2.1.95 */ + + ASC_DBG(1, "advansys_interrupt: end\n"); + return; +} + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +/* + * Set the number of commands to queue per device for the + * specified host adapter. + */ +STATIC void +advansys_select_queue_depths(struct Scsi_Host *shp, Scsi_Device *devicelist) +{ + Scsi_Device *device; + asc_board_t *boardp; + + boardp = ASC_BOARDP(shp); + boardp->flags |= ASC_SELECT_QUEUE_DEPTHS; + for (device = devicelist; device != NULL; device = device->next) { + if (device->host != shp) { + continue; + } + /* + * Save a pointer to the device and set its initial/maximum + * queue depth. + */ + boardp->device[device->id] = device; + if (ASC_NARROW_BOARD(boardp)) { + device->queue_depth = + boardp->dvc_var.asc_dvc_var.max_dvc_qng[device->id]; + } else { + device->queue_depth = + boardp->dvc_var.adv_dvc_var.max_dvc_qng; + } + ASC_DBG3(1, "advansys_select_queue_depths: shp %x, id %d, depth %d\n", + (unsigned) shp, device->id, device->queue_depth); + } +} +#endif /* version >= v1.3.89 */ + +/* + * Function used only with polled I/O requests that are initiated by + * advansys_command(). + */ +STATIC void +advansys_command_done(Scsi_Cmnd *scp) +{ + ASC_DBG1(1, "advansys_command_done: scp %x\n", (unsigned) scp); + scp->SCp.Status = 1; +} + +/* + * Complete all requests on the singly linked list pointed + * to by 'scp'. + * + * Interrupts can be enabled on entry. + */ +STATIC void +asc_scsi_done_list(Scsi_Cmnd *scp) +{ + Scsi_Cmnd *tscp; + + ASC_DBG(2, "asc_scsi_done_list: begin\n"); + while (scp != NULL) { + ASC_DBG1(3, "asc_scsi_done_list: scp %x\n", (unsigned) scp); + tscp = REQPNEXT(scp); + REQPNEXT(scp) = NULL; + ASC_STATS(scp->host, done); + ASC_ASSERT(scp->scsi_done != NULL); + scp->scsi_done(scp); + scp = tscp; + } + ASC_DBG(2, "asc_scsi_done_list: done\n"); + return; +} + +/* + * Execute a single 'Scsi_Cmnd'. + * + * The function 'done' is called when the request has been completed. + * + * Scsi_Cmnd: + * + * host - board controlling device + * device - device to send command + * target - target of device + * lun - lun of device + * cmd_len - length of SCSI CDB + * cmnd - buffer for SCSI 8, 10, or 12 byte CDB + * use_sg - if non-zero indicates scatter-gather request with use_sg elements + * + * if (use_sg == 0) { + * request_buffer - buffer address for request + * request_bufflen - length of request buffer + * } else { + * request_buffer - pointer to scatterlist structure + * } + * + * sense_buffer - sense command buffer + * + * result (4 bytes of an int): + * Byte Meaning + * 0 SCSI Status Byte Code + * 1 SCSI One Byte Message Code + * 2 Host Error Code + * 3 Mid-Level Error Code + * + * host driver fields: + * SCp - Scsi_Pointer used for command processing status + * scsi_done - used to save caller's done function + * host_scribble - used for pointer to another Scsi_Cmnd + * + * If this function returns ASC_NOERROR or ASC_ERROR the request + * has been enqueued on the board's 'done' queue and must be + * completed by the caller. + * + * If ASC_BUSY is returned the request must be enqueued by the + * caller and re-tried later. + */ +STATIC int +asc_execute_scsi_cmnd(Scsi_Cmnd *scp) +{ + asc_board_t *boardp; + ASC_DVC_VAR *asc_dvc_varp; + ADV_DVC_VAR *adv_dvc_varp; + ADV_SCSI_REQ_Q *adv_scsiqp; + Scsi_Device *device; + int ret; + + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_DBG2(1, "asc_execute_scsi_cmnd: scp %x, done %x\n", + (unsigned) scp, (unsigned) scp->scsi_done); + + boardp = ASC_BOARDP(scp->host); + device = boardp->device[scp->target]; + + if (ASC_NARROW_BOARD(boardp)) { + /* + * Build and execute Narrow Board request. + */ + + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + + /* + * Build Asc Library request structure using the + * global structures 'asc_scsi_req' and 'asc_sg_head'. + * + * asc_build_req() can not return ASC_BUSY. + */ + if (asc_build_req(boardp, scp) == ASC_ERROR) { + ASC_STATS(scp->host, build_error); + return ASC_ERROR; + } + + /* + * Execute the command. If there is no error, add the command + * to the active queue. + */ + switch (ret = AscExeScsiQueue(asc_dvc_varp, &asc_scsi_q)) { + case ASC_NOERROR: + ASC_STATS(scp->host, exe_noerror); + /* + * Increment monotonically increasing per device successful + * request counter. Wrapping doesn't matter. + */ + boardp->reqcnt[scp->target]++; + +#if ASC_QUEUE_FLOW_CONTROL + /* + * Conditionally increment the device queue depth. + * + * If no error occurred and there have been 100 consecutive + * successful requests and the current queue depth is less + * than the maximum queue depth, then increment the current + * queue depth. + */ + if (boardp->nerrcnt[scp->target]++ > 100) { + boardp->nerrcnt[scp->target] = 0; + if (device != NULL && + (device->queue_curr_depth < device->queue_depth) && + (!(boardp->queue_full & + ADV_TID_TO_TIDMASK(scp->target)) || + (boardp->queue_full_cnt[scp->target] > + device->queue_curr_depth))) { + device->queue_curr_depth++; + } + } +#endif /* ASC_QUEUE_FLOW_CONTROL */ + asc_enqueue(&boardp->active, scp, ASC_BACK); + ASC_DBG(1, + "asc_execute_scsi_cmnd: AscExeScsiQueue(), ASC_NOERROR\n"); + break; + case ASC_BUSY: + /* Caller must enqueue request and retry later. */ + ASC_STATS(scp->host, exe_busy); +#if ASC_QUEUE_FLOW_CONTROL + /* + * Clear consecutive no error counter and if possible decrement + * queue depth. + */ + boardp->nerrcnt[scp->target] = 0; + if (device != NULL && device->queue_curr_depth > 1) { + device->queue_curr_depth--; + } +#endif /* ASC_QUEUE_FLOW_CONTROL */ + break; + case ASC_ERROR: + ASC_PRINT2( +"asc_execute_scsi_cmnd: board %d: AscExeScsiQueue() ASC_ERROR, err_code %x\n", + boardp->id, asc_dvc_varp->err_code); + ASC_STATS(scp->host, exe_error); +#if ASC_QUEUE_FLOW_CONTROL + /* Clear consecutive no error counter. */ + boardp->nerrcnt[scp->target] = 0; +#endif /* ASC_QUEUE_FLOW_CONTROL */ + scp->result = HOST_BYTE(DID_ERROR); + asc_enqueue(&boardp->done, scp, ASC_BACK); + break; + default: + ASC_PRINT2( +"asc_execute_scsi_cmnd: board %d: AscExeScsiQueue() unknown, err_code %x\n", + boardp->id, asc_dvc_varp->err_code); + ASC_STATS(scp->host, exe_unknown); +#if ASC_QUEUE_FLOW_CONTROL + /* Clear consecutive no error counter. */ + boardp->nerrcnt[scp->target] = 0; +#endif /* ASC_QUEUE_FLOW_CONTROL */ + scp->result = HOST_BYTE(DID_ERROR); + asc_enqueue(&boardp->done, scp, ASC_BACK); + break; + } + } else { + /* + * Build and execute Wide Board request. + */ + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + + /* + * Build and get a pointer to an Adv Library request structure. + * + * If the request is successfully built then send it below, + * otherwise return with an error. + */ + switch (adv_build_req(boardp, scp, &adv_scsiqp)) { + case ASC_NOERROR: + ASC_DBG(3, "asc_execute_scsi_cmnd: adv_build_req ASC_NOERROR\n"); + break; + case ASC_BUSY: + ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req ASC_BUSY\n"); + return ASC_BUSY; + case ASC_ERROR: + default: + ASC_DBG(1, "asc_execute_scsi_cmnd: adv_build_req ASC_ERROR\n"); + ASC_STATS(scp->host, build_error); + return ASC_ERROR; + } + + /* + * Execute the command. If there is no error, add the command + * to the active queue. + */ + switch (ret = AdvExeScsiQueue(adv_dvc_varp, adv_scsiqp)) { + case ASC_NOERROR: + ASC_STATS(scp->host, exe_noerror); + /* + * Increment monotonically increasing per device successful + * request counter. Wrapping doesn't matter. + */ + boardp->reqcnt[scp->target]++; + asc_enqueue(&boardp->active, scp, ASC_BACK); + ASC_DBG(1, + "asc_execute_scsi_cmnd: AdvExeScsiQueue(), ASC_NOERROR\n"); + break; + case ASC_BUSY: + /* Caller must enqueue request and retry later. */ + ASC_STATS(scp->host, exe_busy); + break; + case ASC_ERROR: + ASC_PRINT2( +"asc_execute_scsi_cmnd: board %d: AdvExeScsiQueue() ASC_ERROR, err_code %x\n", + boardp->id, adv_dvc_varp->err_code); + ASC_STATS(scp->host, exe_error); + scp->result = HOST_BYTE(DID_ERROR); + asc_enqueue(&boardp->done, scp, ASC_BACK); + break; + default: + ASC_PRINT2( +"asc_execute_scsi_cmnd: board %d: AdvExeScsiQueue() unknown, err_code %x\n", + boardp->id, adv_dvc_varp->err_code); + ASC_STATS(scp->host, exe_unknown); + scp->result = HOST_BYTE(DID_ERROR); + asc_enqueue(&boardp->done, scp, ASC_BACK); + break; + } + } + + ASC_DBG(1, "asc_execute_scsi_cmnd: end\n"); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + return ret; +} + +/* + * Build a request structure for the Asc Library (Narrow Board). + * + * The global structures 'asc_scsi_q' and 'asc_sg_head' are + * used to build the request. + * + * If an error occurs, then return ASC_ERROR. + */ +STATIC int +asc_build_req(asc_board_t *boardp, Scsi_Cmnd *scp) +{ + /* + * Mutually exclusive access is required to 'asc_scsi_q' and + * 'asc_sg_head' until after the request is started. + */ + memset(&asc_scsi_q, 0, sizeof(ASC_SCSI_Q)); + + /* + * Point the ASC_SCSI_Q to the 'Scsi_Cmnd'. + */ + asc_scsi_q.q2.srb_ptr = (ulong) scp; + + /* + * Build the ASC_SCSI_Q request. + */ + ASC_ASSERT(scp->cmd_len <= ASC_MAX_CDB_LEN); + if (scp->cmd_len > ASC_MAX_CDB_LEN) { + scp->cmd_len = ASC_MAX_CDB_LEN; + } + asc_scsi_q.cdbptr = &scp->cmnd[0]; + asc_scsi_q.q2.cdb_len = scp->cmd_len; + asc_scsi_q.q1.target_id = ASC_TID_TO_TARGET_ID(scp->target); + asc_scsi_q.q1.target_lun = scp->lun; + asc_scsi_q.q2.target_ix = ASC_TIDLUN_TO_IX(scp->target, scp->lun); +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + asc_scsi_q.q1.sense_addr = (ulong) &scp->sense_buffer[0]; +#else /* version >= v2.0.0 */ + asc_scsi_q.q1.sense_addr = virt_to_bus(&scp->sense_buffer[0]); +#endif /* version >= v2.0.0 */ + asc_scsi_q.q1.sense_len = sizeof(scp->sense_buffer); + + /* + * If there are any outstanding requests for the current target, + * then every 255th request send an ORDERED request. This heuristic + * tries to retain the benefit of request sorting while preventing + * request starvation. 255 is the max number of tags or pending commands + * a device may have outstanding. + * + * The request count is incremented below for every successfully + * started request. + * + */ + if ((boardp->dvc_var.asc_dvc_var.cur_dvc_qng[scp->target] > 0) && + (boardp->reqcnt[scp->target] % 255) == 0) { + asc_scsi_q.q2.tag_code = M2_QTAG_MSG_ORDERED; + } else { + asc_scsi_q.q2.tag_code = M2_QTAG_MSG_SIMPLE; + } + + /* + * Build ASC_SCSI_Q for a contiguous buffer or a scatter-gather + * buffer command. + */ + if (scp->use_sg == 0) { + /* + * CDB request of single contiguous buffer. + */ + ASC_STATS(scp->host, cont_cnt); +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + asc_scsi_q.q1.data_addr = (ulong) scp->request_buffer; +#else /* version >= v2.0.0 */ + asc_scsi_q.q1.data_addr = virt_to_bus(scp->request_buffer); +#endif /* version >= v2.0.0 */ + asc_scsi_q.q1.data_cnt = scp->request_bufflen; + ASC_STATS_ADD(scp->host, cont_xfer, + ASC_CEILING(scp->request_bufflen, 512)); + asc_scsi_q.q1.sg_queue_cnt = 0; + asc_scsi_q.sg_head = NULL; + } else { + /* + * CDB scatter-gather request list. + */ + int sgcnt; + struct scatterlist *slp; + + if (scp->use_sg > scp->host->sg_tablesize) { + ASC_PRINT3( +"asc_build_req: board %d: use_sg %d > sg_tablesize %d\n", + boardp->id, scp->use_sg, scp->host->sg_tablesize); + scp->result = HOST_BYTE(DID_ERROR); + asc_enqueue(&boardp->done, scp, ASC_BACK); + return ASC_ERROR; + } + + ASC_STATS(scp->host, sg_cnt); + + /* + * Use global ASC_SG_HEAD structure and set the ASC_SCSI_Q + * structure to point to it. + */ + memset(&asc_sg_head, 0, sizeof(ASC_SG_HEAD)); + + asc_scsi_q.q1.cntl |= QC_SG_HEAD; + asc_scsi_q.sg_head = &asc_sg_head; + asc_scsi_q.q1.data_cnt = 0; + asc_scsi_q.q1.data_addr = 0; + asc_sg_head.entry_cnt = asc_scsi_q.q1.sg_queue_cnt = scp->use_sg; + ASC_STATS_ADD(scp->host, sg_elem, asc_sg_head.entry_cnt); + + /* + * Convert scatter-gather list into ASC_SG_HEAD list. + */ + slp = (struct scatterlist *) scp->request_buffer; + for (sgcnt = 0; sgcnt < scp->use_sg; sgcnt++, slp++) { +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + asc_sg_head.sg_list[sgcnt].addr = (ulong) slp->address; +#else /* version >= v2.0.0 */ + asc_sg_head.sg_list[sgcnt].addr = virt_to_bus(slp->address); +#endif /* version >= v2.0.0 */ + asc_sg_head.sg_list[sgcnt].bytes = slp->length; + ASC_STATS_ADD(scp->host, sg_xfer, ASC_CEILING(slp->length, 512)); + } + } + + ASC_DBG_PRT_ASC_SCSI_Q(2, &asc_scsi_q); + ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len); + + return ASC_NOERROR; +} + +/* + * Build a request structure for the Adv Library (Wide Board). + * + * If an adv_req_t can not be allocated to issue the request, + * then return ASC_BUSY. If an error occurs, then return ASC_ERROR. + */ +STATIC int +adv_build_req(asc_board_t *boardp, Scsi_Cmnd *scp, + ADV_SCSI_REQ_Q **adv_scsiqpp) +{ + adv_req_t *reqp; + ADV_SCSI_REQ_Q *scsiqp; + int i; + + /* + * Allocate an adv_req_t structure from the board to execute + * the command. + */ + if (boardp->adv_reqp == NULL) { + ASC_DBG(1, "adv_build_req: no free adv_req_t\n"); + ASC_STATS(scp->host, adv_build_noreq); + return ASC_BUSY; + } else { + reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp->next_reqp; + reqp->next_reqp = NULL; + } + + /* + * Get 4-byte aligned ADV_SCSI_REQ_Q and ADV_SG_BLOCK pointers. + */ + scsiqp = (ADV_SCSI_REQ_Q *) ADV_DWALIGN(&reqp->scsi_req_q); + memset(scsiqp, 0, sizeof(ADV_SCSI_REQ_Q)); + + /* + * Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure. + */ + scsiqp->srb_ptr = (ulong) reqp; + + /* + * Set the adv_req_t 'cmndp' to point to the Scsi_Cmnd structure. + */ + reqp->cmndp = scp; + + /* + * Build the ADV_SCSI_REQ_Q request. + */ + + /* + * Set CDB length and copy it to the request structure. + */ + ASC_ASSERT(scp->cmd_len <= ASC_MAX_CDB_LEN); + if (scp->cmd_len > ASC_MAX_CDB_LEN) { + scp->cmd_len = ASC_MAX_CDB_LEN; + } + scsiqp->cdb_len = scp->cmd_len; + for (i = 0; i < scp->cmd_len; i++) { + scsiqp->cdb[i] = scp->cmnd[i]; + } + + scsiqp->target_id = scp->target; + scsiqp->target_lun = scp->lun; + + scsiqp->vsense_addr = (ulong) &scp->sense_buffer[0]; +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + scsiqp->sense_addr = (ulong) &scp->sense_buffer[0]; +#else /* version >= v2.0.0 */ + scsiqp->sense_addr = virt_to_bus(&scp->sense_buffer[0]); +#endif /* version >= v2.0.0 */ + scsiqp->sense_len = sizeof(scp->sense_buffer); + + /* + * Build ADV_SCSI_REQ_Q for a contiguous buffer or a scatter-gather + * buffer command. + */ + scsiqp->data_cnt = scp->request_bufflen; + scsiqp->vdata_addr = (ulong) scp->request_buffer; +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + scsiqp->data_addr = (ulong) scp->request_buffer; +#else /* version >= v2.0.0 */ + scsiqp->data_addr = virt_to_bus(scp->request_buffer); +#endif /* version >= v2.0.0 */ + + if (scp->use_sg == 0) { + /* + * CDB request of single contiguous buffer. + */ + reqp->sgblkp = NULL; + scsiqp->sg_list_ptr = NULL; + ASC_STATS(scp->host, cont_cnt); + ASC_STATS_ADD(scp->host, cont_xfer, + ASC_CEILING(scp->request_bufflen, 512)); + } else { + /* + * CDB scatter-gather request list. + */ + if (scp->use_sg > ADV_MAX_SG_LIST) { + ASC_PRINT3( +"adv_build_req: board %d: use_sg %d > ADV_MAX_SG_LIST %d\n", + boardp->id, scp->use_sg, scp->host->sg_tablesize); + scp->result = HOST_BYTE(DID_ERROR); + asc_enqueue(&boardp->done, scp, ASC_BACK); + + /* + * Free the 'adv_req_t' structure by adding it back to the + * board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; + + return ASC_ERROR; + } + + /* + * Allocate an 'adv_sgblk_t' structure from the board to + * execute the command. + */ + if (boardp->adv_sgblkp == NULL) { + ASC_DBG(1, "adv_build_req: no free adv_sgblk_t\n"); + ASC_STATS(scp->host, adv_build_nosg); + /* + * Free the 'adv_req_t' structure by adding it back to the + * board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; + return ASC_BUSY; + } else { + reqp->sgblkp = boardp->adv_sgblkp; + boardp->adv_sgblkp = reqp->sgblkp->next_sgblkp; + reqp->sgblkp->next_sgblkp = NULL; + } + + /* + * Build scatter-gather list. + */ + scsiqp->sg_list_ptr = (ADV_SG_BLOCK *) + ADV_DWALIGN(&reqp->sgblkp->sg_block[0]); + + memset(scsiqp->sg_list_ptr, 0, sizeof(ADV_SG_BLOCK) * + (ADV_NUM_SG_BLOCK + ADV_NUM_PAGE_CROSSING)); + + if (adv_get_sglist(&boardp->dvc_var.adv_dvc_var, scsiqp, scp) == + ADV_ERROR) { + + /* + * Free the adv_sgblk_t structure, if any, by adding it back + * to the board free list. + */ + ASC_ASSERT(reqp->sgblkp != NULL); + reqp->sgblkp->next_sgblkp = boardp->adv_sgblkp; + boardp->adv_sgblkp = reqp->sgblkp; + + /* + * Free the adv_req_t structure by adding it back to the + * board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; + + return ADV_ERROR; + } + + ASC_STATS(scp->host, sg_cnt); + ASC_STATS_ADD(scp->host, sg_elem, scp->use_sg); + } + + ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp); + ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len); + + *adv_scsiqpp = scsiqp; + + return ASC_NOERROR; +} + +/* + * Build scatter-gather list for Adv Library (Wide Board). + * + * Return: + * ADV_SUCCESS(1) - SG List successfully created + * ADV_ERROR(-1) - SG List creation failed + */ +STATIC int +adv_get_sglist(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp, + Scsi_Cmnd *scp) +{ + ADV_SG_BLOCK *sg_block; /* virtual address of a SG */ + ulong sg_block_next_addr; /* block and its next */ + ulong sg_block_physical_addr; + int sg_block_index, i; /* how many SG entries */ + struct scatterlist *slp; + int sg_elem_cnt; + + slp = (struct scatterlist *) scp->request_buffer; + sg_elem_cnt = scp->use_sg; + + sg_block = scsiqp->sg_list_ptr; + sg_block_next_addr = (ulong) sg_block; /* allow math operation */ + sg_block_physical_addr = +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + (ulong) scsiqp->sg_list_ptr; +#else /* version >= v2.0.0 */ + virt_to_bus(scsiqp->sg_list_ptr); +#endif /* version >= v2.0.0 */ + ADV_ASSERT(ADV_DWALIGN(sg_block_physical_addr) == + sg_block_physical_addr); + scsiqp->sg_real_addr = sg_block_physical_addr; + + sg_block_index = 0; + do + { + sg_block->first_entry_no = sg_block_index; + for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) + { + sg_block->sg_list[i].sg_addr = +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + (ulong) slp->address; +#else /* version >= v2.0.0 */ + virt_to_bus(slp->address); +#endif /* version >= v2.0.0 */ + sg_block->sg_list[i].sg_count = slp->length; + ASC_STATS_ADD(scp->host, sg_xfer, ASC_CEILING(slp->length, 512)); + + if (--sg_elem_cnt == 0) + { /* last entry, get out */ + scsiqp->sg_entry_cnt = sg_block_index + i + 1; + sg_block->last_entry_no = sg_block_index + i; + sg_block->sg_ptr = 0L; /* next link = NULL */ + return ADV_SUCCESS; + } + slp++; + } + sg_block_next_addr += sizeof(ADV_SG_BLOCK); + sg_block_physical_addr += sizeof(ADV_SG_BLOCK); + ADV_ASSERT(ADV_DWALIGN(sg_block_physical_addr) == + sg_block_physical_addr); + + sg_block_index += NO_OF_SG_PER_BLOCK; + sg_block->sg_ptr = (ADV_SG_BLOCK *) sg_block_physical_addr; + sg_block->last_entry_no = sg_block_index - 1; + sg_block = (ADV_SG_BLOCK *) sg_block_next_addr; /* virtual addr */ + } + while (1); + /* NOTREACHED */ +} + +/* + * asc_isr_callback() - Second Level Interrupt Handler called by AscISR(). + * + * Interrupt callback function for the Narrow SCSI Asc Library. + */ +STATIC void +asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) +{ + asc_board_t *boardp; + Scsi_Cmnd *scp; + struct Scsi_Host *shp; + int underrun = ASC_FALSE; + int i; + + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_DBG2(1, "asc_isr_callback: asc_dvc_varp %x, qdonep %x\n", + (unsigned) asc_dvc_varp, (unsigned) qdonep); + ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep); + + /* + * Get the Scsi_Cmnd structure and Scsi_Host structure for the + * command that has been completed. + */ + scp = (Scsi_Cmnd *) qdonep->d2.srb_ptr; + ASC_DBG1(1, "asc_isr_callback: scp %x\n", (unsigned) scp); + + if (scp == NULL) { + ASC_PRINT("asc_isr_callback: scp is NULL\n"); + return; + } + ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len); + + /* + * If the request's host pointer is not valid, display a + * message and return. + */ + shp = scp->host; + for (i = 0; i < asc_board_count; i++) { + if (asc_host[i] == shp) { + break; + } + } + if (i == asc_board_count) { + ASC_PRINT2("asc_isr_callback: scp %x has bad host pointer, host %x\n", + (unsigned) scp, (unsigned) shp); + return; + } + + ASC_STATS(shp, callback); + ASC_DBG1(1, "asc_isr_callback: shp %x\n", (unsigned) shp); + + /* + * If the request isn't found on the active queue, it may + * have been removed to handle a reset or abort request. + * Display a message and return. + */ + boardp = ASC_BOARDP(shp); + ASC_ASSERT(asc_dvc_varp == &boardp->dvc_var.asc_dvc_var); + if (asc_rmqueue(&boardp->active, scp) == ASC_FALSE) { + ASC_PRINT2("asc_isr_callback: board %d: scp %x not on active queue\n", + boardp->id, (unsigned) scp); + return; + } + + /* + * Check for an underrun condition. + */ + if (scp->request_bufflen != 0 && qdonep->remain_bytes != 0 && + qdonep->remain_bytes <= scp->request_bufflen != 0) { + ASC_DBG1(1, "asc_isr_callback: underrun condition %u bytes\n", + (unsigned) qdonep->remain_bytes); + underrun = ASC_TRUE; + } + + /* + * 'qdonep' contains the command's ending status. + */ + switch (qdonep->d3.done_stat) { + case QD_NO_ERROR: + ASC_DBG(2, "asc_isr_callback: QD_NO_ERROR\n"); + switch (qdonep->d3.host_stat) { + case QHSTA_NO_ERROR: + scp->result = 0; + break; + default: + /* QHSTA error occurred */ + scp->result = HOST_BYTE(DID_ERROR); + break; + } + + /* + * If an INQUIRY command completed successfully, then call + * the AscInquiryHandling() function to set-up the device. + */ + if (scp->cmnd[0] == SCSICMD_Inquiry && scp->lun == 0 && + (scp->request_bufflen - qdonep->remain_bytes) >= 8) + { + AscInquiryHandling(asc_dvc_varp, scp->target & 0x7, + (ASC_SCSI_INQUIRY *) scp->request_buffer); + } + + /* + * If there was an underrun without any other error, + * set DID_ERROR to indicate the underrun error. + * + * Note: There is no way yet to indicate the number + * of underrun bytes. + */ + if (scp->result == 0 && underrun == ASC_TRUE) { + scp->result = HOST_BYTE(DID_UNDERRUN); + } + break; + + case QD_WITH_ERROR: + ASC_DBG(2, "asc_isr_callback: QD_WITH_ERROR\n"); + switch (qdonep->d3.host_stat) { + case QHSTA_NO_ERROR: + if (qdonep->d3.scsi_stat == SS_CHK_CONDITION) { + ASC_DBG(2, "asc_isr_callback: SS_CHK_CONDITION\n"); + ASC_DBG_PRT_SENSE(2, scp->sense_buffer, + sizeof(scp->sense_buffer)); + /* + * Note: The 'status_byte()' macro used by target drivers + * defined in scsi.h shifts the status byte returned by + * host drivers right by 1 bit. This is why target drivers + * also use right shifted status byte definitions. For + * instance target drivers use CHECK_CONDITION, defined to + * 0x1, instead of the SCSI defined check condition value + * of 0x2. Host drivers are supposed to return the status + * byte as it is defined by SCSI. + */ + scp->result = DRIVER_BYTE(DRIVER_SENSE) | + STATUS_BYTE(qdonep->d3.scsi_stat); + } else { + scp->result = STATUS_BYTE(qdonep->d3.scsi_stat); + } + break; + + default: + /* QHSTA error occurred */ + ASC_DBG1(1, "asc_isr_callback: host_stat %x\n", + qdonep->d3.host_stat); + scp->result = HOST_BYTE(DID_BAD_TARGET); + break; + } + break; + + case QD_ABORTED_BY_HOST: + ASC_DBG(1, "asc_isr_callback: QD_ABORTED_BY_HOST\n"); + scp->result = HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.scsi_msg) | + STATUS_BYTE(qdonep->d3.scsi_stat); + break; + + default: + ASC_DBG1(1, "asc_isr_callback: done_stat %x\n", qdonep->d3.done_stat); + scp->result = HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.scsi_msg) | + STATUS_BYTE(qdonep->d3.scsi_stat); + break; + } + + /* + * If the 'init_tidmask' bit isn't already set for the target and the + * current request finished normally, then set the bit for the target + * to indicate that a device is present. + */ + if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->target)) == 0 && + qdonep->d3.done_stat == QD_NO_ERROR && + qdonep->d3.host_stat == QHSTA_NO_ERROR) { + boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->target); + } + + /* + * Because interrupts may be enabled by the 'Scsi_Cmnd' done + * function, add the command to the end of the board's done queue. + * The done function for the command will be called from + * advansys_interrupt(). + */ + asc_enqueue(&boardp->done, scp, ASC_BACK); + + return; +} + +/* + * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR(). + * + * Callback function for the Wide SCSI Adv Library. + */ +STATIC void +adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) +{ + asc_board_t *boardp; + adv_req_t *reqp; + Scsi_Cmnd *scp; + struct Scsi_Host *shp; + int underrun = ASC_FALSE; + int i; + + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_DBG2(1, "adv_isr_callback: adv_dvc_varp %x, scsiqp %x\n", + (unsigned) adv_dvc_varp, (unsigned) scsiqp); + ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp); + + /* + * Get the adv_req_t structure for the command that has been + * completed. The adv_req_t structure actually contains the + * completed ADV_SCSI_REQ_Q structure. + */ + reqp = (adv_req_t *) scsiqp->srb_ptr; + ASC_DBG1(1, "adv_isr_callback: reqp %x\n", (unsigned) reqp); + if (reqp == NULL) { + ASC_PRINT("adv_isr_callback: reqp is NULL\n"); + return; + } + + /* + * Get the Scsi_Cmnd structure and Scsi_Host structure for the + * command that has been completed. + * + * Note: The adv_req_t request structure and adv_sgblk_t structure, + * if any, * dropped, because a board structure pointer can not be + * determined. + */ + scp = reqp->cmndp; + ASC_DBG1(1, "adv_isr_callback: scp %x\n", (unsigned) scp); + if (scp == NULL) { + ASC_PRINT("adv_isr_callback: scp is NULL; adv_req_t dropped.\n"); + return; + } + ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len); + + /* + * If the request's host pointer is not valid, display a message + * and return. + */ + shp = scp->host; + for (i = 0; i < asc_board_count; i++) { + if (asc_host[i] == shp) { + break; + } + } + /* + * Note: If the host structure is not found, the adv_req_t request + * structure and adv_sgblk_t structure, if any, is dropped. + */ + if (i == asc_board_count) { + ASC_PRINT2("adv_isr_callback: scp %x has bad host pointer, host %x\n", + (unsigned) scp, (unsigned) shp); + return; + } + + ASC_STATS(shp, callback); + ASC_DBG1(1, "adv_isr_callback: shp %x\n", (unsigned) shp); + + /* + * If the request isn't found on the active queue, it may have been + * removed to handle a reset or abort request. Display a message and + * return. + * + * Note: Because the structure may still be in use don't attempt + * to free the adv_req_t and adv_sgblk_t, if any, structures. + */ + boardp = ASC_BOARDP(shp); + ASC_ASSERT(adv_dvc_varp == &boardp->dvc_var.adv_dvc_var); + if (asc_rmqueue(&boardp->active, scp) == ASC_FALSE) { + ASC_PRINT2("adv_isr_callback: board %d: scp %x not on active queue\n", + boardp->id, (unsigned) scp); + return; + } + + /* + * Check for an underrun condition. + */ + if (scp->request_bufflen != 0 && scsiqp->data_cnt != 0) { + ASC_DBG1(1, "adv_isr_callback: underrun condition %lu bytes\n", + scsiqp->data_cnt); + underrun = ASC_TRUE; + } + + /* + * 'done_status' contains the command's ending status. + */ + switch (scsiqp->done_status) { + case QD_NO_ERROR: + ASC_DBG(2, "adv_isr_callback: QD_NO_ERROR\n"); + switch (scsiqp->host_status) { + case QHSTA_NO_ERROR: + scp->result = 0; + break; + default: + /* QHSTA error occurred. */ + ASC_DBG1(2, "adv_isr_callback: host_status %x\n", + scsiqp->host_status); + scp->result = HOST_BYTE(DID_ERROR); + break; + } + /* + * If there was an underrun without any other error, + * set DID_ERROR to indicate the underrun error. + * + * Note: There is no way yet to indicate the number + * of underrun bytes. + */ + if (scp->result == 0 && underrun == ASC_TRUE) { + scp->result = HOST_BYTE(DID_UNDERRUN); + } + break; + + case QD_WITH_ERROR: + ASC_DBG(2, "adv_isr_callback: QD_WITH_ERROR\n"); + switch (scsiqp->host_status) { + case QHSTA_NO_ERROR: + if (scsiqp->scsi_status == SS_CHK_CONDITION) { + ASC_DBG(2, "adv_isr_callback: SS_CHK_CONDITION\n"); + ASC_DBG_PRT_SENSE(2, scp->sense_buffer, + sizeof(scp->sense_buffer)); + /* + * Note: The 'status_byte()' macro used by target drivers + * defined in scsi.h shifts the status byte returned by + * host drivers right by 1 bit. This is why target drivers + * also use right shifted status byte definitions. For + * instance target drivers use CHECK_CONDITION, defined to + * 0x1, instead of the SCSI defined check condition value + * of 0x2. Host drivers are supposed to return the status + * byte as it is defined by SCSI. + */ + scp->result = DRIVER_BYTE(DRIVER_SENSE) | + STATUS_BYTE(scsiqp->scsi_status); + } else { + scp->result = STATUS_BYTE(scsiqp->scsi_status); + } + break; + + default: + /* Some other QHSTA error occurred. */ + ASC_DBG1(1, "adv_isr_callback: host_status %x\n", + scsiqp->host_status); + scp->result = HOST_BYTE(DID_BAD_TARGET); + break; + } + break; + + case QD_ABORTED_BY_HOST: + ASC_DBG(1, "adv_isr_callback: QD_ABORTED_BY_HOST\n"); + scp->result = HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status); + break; + + default: + ASC_DBG1(1, "adv_isr_callback: done_status %x\n", scsiqp->done_status); + scp->result = HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status); + break; + } + + /* + * If the 'init_tidmask' bit isn't already set for the target and the + * current request finished normally, then set the bit for the target + * to indicate that a device is present. + */ + if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->target)) == 0 && + scsiqp->done_status == QD_NO_ERROR && + scsiqp->host_status == QHSTA_NO_ERROR) { + boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->target); + } + + /* + * Because interrupts may be enabled by the 'Scsi_Cmnd' done + * function, add the command to the end of the board's done queue. + * The done function for the command will be called from + * advansys_interrupt(). + */ + asc_enqueue(&boardp->done, scp, ASC_BACK); + + /* + * Free the adv_sgblk_t structure, if any, by adding it back + * to the board free list. + */ + if (reqp->sgblkp != NULL) { + reqp->sgblkp->next_sgblkp = boardp->adv_sgblkp; + boardp->adv_sgblkp = reqp->sgblkp; + } + + /* + * Free the adv_req_t structure used with the command by adding + * it back to the board free list. + */ + reqp->next_reqp = boardp->adv_reqp; + boardp->adv_reqp = reqp; + + ASC_DBG(1, "adv_isr_callback: done\n"); + + return; +} + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI +/* + * Search for an AdvanSys PCI device in the PCI configuration space. + */ +ASC_INITFUNC( +STATIC int +asc_srch_pci_dev(PCI_DEVICE *pciDevice) +) +{ + int ret = PCI_DEVICE_NOT_FOUND; + + ASC_DBG(2, "asc_srch_pci_dev: begin\n"); + + if (pci_scan_method == -1) { + pci_scan_method = asc_scan_method(); + } + pciDevice->type = pci_scan_method; + ASC_DBG1(2, "asc_srch_pci_dev: type %d\n", pciDevice->type); + + ret = asc_pci_find_dev(pciDevice); + ASC_DBG1(2, "asc_srch_pci_dev: asc_pci_find_dev() return %d\n", ret); + if (ret == PCI_DEVICE_FOUND) { + pciDevice->slotNumber = pciDevice->slotFound + 1; + pciDevice->startSlot = pciDevice->slotFound + 1; + } else { + if (pciDevice->bridge > pciDevice->busNumber) { + ASC_DBG2(2, "asc_srch_pci_dev: bridge %x, busNumber %x\n", + pciDevice->bridge, pciDevice->busNumber); + pciDevice->busNumber++; + pciDevice->slotNumber = 0; + pciDevice->startSlot = 0; + pciDevice->endSlot = 0x0f; + ret = asc_srch_pci_dev(pciDevice); + ASC_DBG1(2, "asc_srch_pci_dev: recursive call return %d\n", ret); + } + } + + ASC_DBG1(2, "asc_srch_pci_dev: return %d\n", ret); + return ret; +} + +/* + * Determine the access method to be used for 'pciDevice'. + */ +ASC_INITFUNC( +STATIC uchar +asc_scan_method(void) +) +{ + ushort data; + PCI_DATA pciData; + uchar type; + uchar slot; + + ASC_DBG(2, "asc_scan_method: begin\n"); + memset(&pciData, 0, sizeof(pciData)); + for (type = 1; type < 3; type++) { + pciData.type = type; + for (slot = 0; slot < PCI_MAX_SLOT; slot++) { + pciData.slot = slot; + data = asc_get_cfg_word(&pciData); + if ((data != 0xFFFF) && (data != 0x0000)) { + ASC_DBG2(4, "asc_scan_method: data %x, type %d\n", data, type); + return (type); + } + } + } + ASC_DBG1(4, "asc_scan_method: type %d\n", type); + return (type); +} + +/* + * Check for an AdvanSys PCI device in 'pciDevice'. + * + * Return PCI_DEVICE_FOUND if found, otherwise return PCI_DEVICE_NOT_FOUND. + */ +ASC_INITFUNC( +STATIC int +asc_pci_find_dev(PCI_DEVICE *pciDevice) +) +{ + PCI_DATA pciData; + ushort vendorid, deviceid; + uchar classcode, subclass; + uchar lslot; + + ASC_DBG(3, "asc_pci_find_dev: begin\n"); + pciData.type = pciDevice->type; + pciData.bus = pciDevice->busNumber; + pciData.func = pciDevice->devFunc; + lslot = pciDevice->startSlot; + for (; lslot < pciDevice->endSlot; lslot++) { + pciData.slot = lslot; + pciData.offset = VENDORID_OFFSET; + vendorid = asc_get_cfg_word(&pciData); + ASC_DBG1(3, "asc_pci_find_dev: vendorid %x\n", vendorid); + if (vendorid != 0xffff) { + pciData.offset = DEVICEID_OFFSET; + deviceid = asc_get_cfg_word(&pciData); + ASC_DBG1(3, "asc_pci_find_dev: deviceid %x\n", deviceid); + if ((vendorid == ASC_PCI_VENDORID) && + ((deviceid == ASC_PCI_DEVICE_ID_1100) || + (deviceid == ASC_PCI_DEVICE_ID_1200) || + (deviceid == ASC_PCI_DEVICE_ID_1300) || + (deviceid == ASC_PCI_DEVICE_ID_2300))) { + pciDevice->slotFound = lslot; + ASC_DBG(3, "asc_pci_find_dev: PCI_DEVICE_FOUND\n"); + return PCI_DEVICE_FOUND; + } else { + pciData.offset = SUBCLASS_OFFSET; + subclass = asc_get_cfg_byte(&pciData); + pciData.offset = CLASSCODE_OFFSET; + classcode = asc_get_cfg_byte(&pciData); + if ((classcode & PCI_BASE_CLASS_BRIDGE_DEVICE) && + (subclass & PCI_SUB_CLASS_PCI_TO_PCI_BRIDGE_CONTROLLER)) { + pciDevice->bridge++; + } + ASC_DBG2(3, "asc_pci_find_dev: subclass %x, classcode %x\n", + subclass, classcode); + } + } + } + return PCI_DEVICE_NOT_FOUND; +} + +/* + * Read PCI configuration data into 'pciConfig'. + */ +ASC_INITFUNC( +STATIC void +asc_get_pci_cfg(PCI_DEVICE *pciDevice, PCI_CONFIG_SPACE *pciConfig) +) +{ + PCI_DATA pciData; + uchar counter; + uchar *localConfig; + + ASC_DBG1(4, "asc_get_pci_cfg: slotFound %d\n ", + pciDevice->slotFound); + + pciData.type = pciDevice->type; + pciData.bus = pciDevice->busNumber; + pciData.slot = pciDevice->slotFound; + pciData.func = pciDevice->devFunc; + localConfig = (uchar *) pciConfig; + + for (counter = 0; counter < sizeof(PCI_CONFIG_SPACE); counter++) { + pciData.offset = counter; + *localConfig = asc_get_cfg_byte(&pciData); + ASC_DBG1(4, "asc_get_pci_cfg: byte %x\n", *localConfig); + localConfig++; + } + ASC_DBG1(4, "asc_get_pci_cfg: counter %d\n", counter); +} + +/* + * Read a word (16 bits) from the PCI configuration space. + * + * The configuration mechanism is checked for the correct access method. + */ +ASC_INITFUNC( +STATIC ushort +asc_get_cfg_word(PCI_DATA *pciData) +) +{ + ushort tmp; + ulong address; + ulong lbus = pciData->bus; + ulong lslot = pciData->slot; + ulong lfunc = pciData->func; + uchar t2CFA, t2CF8; + ulong t1CF8, t1CFC; + + ASC_DBG4(4, "asc_get_cfg_word: type %d, bus %lu, slot %lu, func %lu\n", + pciData->type, lbus, lslot, lfunc); + + /* + * Check type of configuration mechanism. + */ + if (pciData->type == 2) { + /* + * Save registers to be restored later. + */ + t2CFA = inp(0xCFA); /* save PCI bus register */ + t2CF8 = inp(0xCF8); /* save config space enable register */ + + /* + * Write the bus and enable registers. + */ + /* set for type 1 cycle, if needed */ + outp(0xCFA, pciData->bus); + /* set the function number */ + outp(0xCF8, 0x10 | (pciData->func << 1)) ; + + /* + * Read the configuration space type 2 locations. + */ + tmp = (ushort) inpw(0xC000 | ((pciData->slot << 8) + pciData->offset)); + + outp(0xCFA, t2CFA); /* save PCI bus register */ + outp(0xCF8, t2CF8); /* save config space enable register */ + } else { + /* + * Type 1 or 3 configuration mechanism. + * + * Save the CONFIG_ADDRESS and CONFIG_DATA register values. + */ + t1CF8 = inpl(0xCF8); + t1CFC = inpl(0xCFC); + + /* + * enable <31>, bus = <23:16>, slot = <15:11>, + * func = <10:8>, reg = <7:2> + */ + address = (ulong) ((lbus << 16) | (lslot << 11) | + (lfunc << 8) | (pciData->offset & 0xFC) | 0x80000000L); + + /* + * Write out the address to CONFIG_ADDRESS. + */ + outpl(0xCF8, address); + + /* + * Read in word from CONFIG_DATA. + */ + tmp = (ushort) ((inpl(0xCFC) >> + ((pciData->offset & 2) * 8)) & 0xFFFF); + + /* + * Restore registers. + */ + outpl(0xCF8, t1CF8); + outpl(0xCFC, t1CFC); + } + ASC_DBG1(4, "asc_get_cfg_word: config data: %x\n", tmp); + return tmp; +} + +/* + * Reads a byte from the PCI configuration space. + * + * The configuration mechanism is checked for the correct access method. + */ +ASC_INITFUNC( +STATIC uchar +asc_get_cfg_byte(PCI_DATA *pciData) +) +{ + uchar tmp; + ulong address; + ulong lbus = pciData->bus, lslot = pciData->slot, lfunc = pciData->func; + uchar t2CFA, t2CF8; + ulong t1CF8, t1CFC; + + ASC_DBG1(4, "asc_get_cfg_byte: type: %d\n", pciData->type); + + /* + * Check type of configuration mechanism. + */ + if (pciData->type == 2) { + /* + * Save registers to be restored later. + */ + t2CFA = inp(0xCFA); /* save PCI bus register */ + t2CF8 = inp(0xCF8); /* save config space enable register */ + + /* + * Write the bus and enable registers. + */ + /* set for type 1 cycle, if needed */ + outp(0xCFA, pciData->bus); + /* set the function number */ + outp(0xCF8, 0x10 | (pciData->func << 1)); + + /* + * Read configuration space type 2 locations. + */ + tmp = inp(0xC000 | ((pciData->slot << 8) + pciData->offset)); + + /* + * Restore registers. + */ + outp(0xCF8, t2CF8); /* restore the enable register */ + outp(0xCFA, t2CFA); /* restore PCI bus register */ + } else { + /* + * Type 1 or 3 configuration mechanism. + * + * Save CONFIG_ADDRESS and CONFIG_DATA register values. + */ + t1CF8 = inpl(0xCF8); + t1CFC = inpl(0xCFC); + + /* + * enable <31>, bus = <23:16>, slot = <15:11>, func = <10:8>, + * reg = <7:2> + */ + address = (ulong) ((lbus << 16) | (lslot << 11) | + (lfunc << 8) | (pciData->offset & 0xFC) | 0x80000000L); + + /* + * Write out address to CONFIG_ADDRESS. + */ + outpl(0xCF8, address); + + /* + * Read in word from CONFIG_DATA. + */ + tmp = (uchar) ((inpl(0xCFC) >> ((pciData->offset & 3) * 8)) & 0xFF); + + /* + * Restore registers. + */ + outpl(0xCF8, t1CF8); + outpl(0xCFC, t1CFC); + } + ASC_DBG1(4, "asc_get_cfg_byte: config data: %x\n", tmp); + return tmp; +} + +/* + * Write a byte to the PCI configuration space. + */ +ASC_INITFUNC( +STATIC void +asc_put_cfg_byte(PCI_DATA *pciData, uchar byte_data) +) +{ + ulong tmpl; + ulong address; + ulong lbus = pciData->bus, lslot = pciData->slot, lfunc = pciData->func; + uchar t2CFA, t2CF8; + ulong t1CF8, t1CFC; + + ASC_DBG2(4, "asc_put_cfg_byte: type: %d, byte_data %x\n", + pciData->type, byte_data); + + /* + * Check type of configuration mechanism. + */ + if (pciData->type == 2) { + + /* + * Save registers to be restored later. + */ + t2CFA = inp(0xCFA); /* save PCI bus register */ + t2CF8 = inp(0xCF8); /* save config space enable register */ + + /* + * Write bus and enable registers. + */ + outp(0xCFA, pciData->bus); + + /* + * Set the function number. + */ + outp(0xCF8, 0x10 | (pciData->func << 1)); + + /* + * Write the configuration space type 2 locations. + */ + outp(0xC000 | ((pciData->slot << 8) + pciData->offset), byte_data); + + /* + * Restore registers. + */ + outp(0xCF8, t2CF8); /* restore the enable register */ + outp(0xCFA, t2CFA); /* restore PCI bus register */ + } else { + + /* + * Type 1 or 3 configuration mechanism. + * + * Save the CONFIG_ADDRESS and CONFIG_DATA register values. + */ + t1CF8 = inpl(0xCF8); + t1CFC = inpl(0xCFC); + + /* + * enable <31>, bus = <23:16>, slot = <15:11>, func = <10:8>, + * reg = <7:2> + */ + address = (ulong) ((lbus << 16) | (lslot << 11) | (lfunc << 8) | + (pciData->offset & 0xFC) | 0x80000000L); + /* + * Write out address to CONFIG_ADDRESS. + */ + outpl(0xCF8, address); + + /* + * Write double word to CONFIG_DATA preserving the bytes + * in the double not written. + */ + tmpl = inpl(0xCFC) & ~(0xFF << ((pciData->offset & 3) * 8)); + outpl(0xCFC, tmpl | (byte_data << ((pciData->offset & 3) * 8))); + + /* + * Restore registers. + */ + outpl(0xCF8, t1CF8); + outpl(0xCFC, t1CFC); + } + ASC_DBG(4, "asc_put_cfg_byte: end\n"); +} +#endif /* ASC_CONFIG_PCI */ +#endif /* version < v2.1.93 */ + +/* + * Add a 'REQP' to the end of specified queue. Set 'tidmask' + * to indicate a command is queued for the device. + * + * 'flag' may be either ASC_FRONT or ASC_BACK. + * + * 'REQPNEXT(reqp)' returns reqp's next pointer. + */ +STATIC void +asc_enqueue(asc_queue_t *ascq, REQP reqp, int flag) +{ + int tid; + + ASC_DBG3(3, "asc_enqueue: ascq %x, reqp %x, flag %d\n", + (unsigned) ascq, (unsigned) reqp, flag); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_ASSERT(reqp != NULL); + ASC_ASSERT(flag == ASC_FRONT || flag == ASC_BACK); + tid = REQPTID(reqp); + ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); + if (flag == ASC_FRONT) { + REQPNEXT(reqp) = ascq->q_first[tid]; + ascq->q_first[tid] = reqp; + /* If the queue was empty, set the last pointer. */ + if (ascq->q_last[tid] == NULL) { + ascq->q_last[tid] = reqp; + } + } else { /* ASC_BACK */ + if (ascq->q_last[tid] != NULL) { + REQPNEXT(ascq->q_last[tid]) = reqp; + } + ascq->q_last[tid] = reqp; + REQPNEXT(reqp) = NULL; + /* If the queue was empty, set the first pointer. */ + if (ascq->q_first[tid] == NULL) { + ascq->q_first[tid] = reqp; + } + } + /* The queue has at least one entry, set its bit. */ + ascq->q_tidmask |= ADV_TID_TO_TIDMASK(tid); +#ifdef ADVANSYS_STATS + /* Maintain request queue statistics. */ + ascq->q_tot_cnt[tid]++; + ascq->q_cur_cnt[tid]++; + if (ascq->q_cur_cnt[tid] > ascq->q_max_cnt[tid]) { + ascq->q_max_cnt[tid] = ascq->q_cur_cnt[tid]; + ASC_DBG2(2, "asc_enqueue: new q_max_cnt[%d] %d\n", + tid, ascq->q_max_cnt[tid]); + } + REQPTIME(reqp) = REQTIMESTAMP(); +#endif /* ADVANSYS_STATS */ + ASC_DBG1(3, "asc_enqueue: reqp %x\n", (unsigned) reqp); + return; +} + +/* + * Return first queued 'REQP' on the specified queue for + * the specified target device. Clear the 'tidmask' bit for + * the device if no more commands are left queued for it. + * + * 'REQPNEXT(reqp)' returns reqp's next pointer. + */ +STATIC REQP +asc_dequeue(asc_queue_t *ascq, int tid) +{ + REQP reqp; + + ASC_DBG2(3, "asc_dequeue: ascq %x, tid %d\n", (unsigned) ascq, tid); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); + if ((reqp = ascq->q_first[tid]) != NULL) { + ASC_ASSERT(ascq->q_tidmask & ADV_TID_TO_TIDMASK(tid)); + ascq->q_first[tid] = REQPNEXT(reqp); + /* If the queue is empty, clear its bit and the last pointer. */ + if (ascq->q_first[tid] == NULL) { + ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); + ASC_ASSERT(ascq->q_last[tid] == reqp); + ascq->q_last[tid] = NULL; + } +#ifdef ADVANSYS_STATS + /* Maintain request queue statistics. */ + ascq->q_cur_cnt[tid]--; + ASC_ASSERT(ascq->q_cur_cnt[tid] >= 0); + REQTIMESTAT("asc_dequeue", ascq, reqp, tid); +#endif /* ADVANSYS_STATS */ + } + ASC_DBG1(3, "asc_dequeue: reqp %x\n", (unsigned) reqp); + return reqp; +} + +/* + * Return a pointer to a singly linked list of all the requests queued + * for 'tid' on the 'asc_queue_t' pointed to by 'ascq'. + * + * If 'lastpp' is not NULL, '*lastpp' will be set to point to the + * the last request returned in the singly linked list. + * + * 'tid' should either be a valid target id or if it is ASC_TID_ALL, + * then all queued requests are concatenated into one list and + * returned. + * + * Note: If 'lastpp' is used to append a new list to the end of + * an old list, only change the old list last pointer if '*lastpp' + * (or the function return value) is not NULL, i.e. use a temporary + * variable for 'lastpp' and check its value after the function return + * before assigning it to the list last pointer. + * + * Unfortunately collecting queuing time statistics adds overhead to + * the function that isn't inherent to the function's algorithm. + */ +STATIC REQP +asc_dequeue_list(asc_queue_t *ascq, REQP *lastpp, int tid) +{ + REQP firstp, lastp; + int i; + + ASC_DBG2(3, "asc_dequeue_list: ascq %x, tid %d\n", (unsigned) ascq, tid); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_ASSERT((tid == ASC_TID_ALL) || (tid >= 0 && tid <= ADV_MAX_TID)); + + /* + * If 'tid' is not ASC_TID_ALL, return requests only for + * the specified 'tid'. If 'tid' is ASC_TID_ALL, return all + * requests for all tids. + */ + if (tid != ASC_TID_ALL) { + /* Return all requests for the specified 'tid'. */ + if ((ascq->q_tidmask & ADV_TID_TO_TIDMASK(tid)) == 0) { + /* List is empty; Set first and last return pointers to NULL. */ + firstp = lastp = NULL; + } else { + firstp = ascq->q_first[tid]; + lastp = ascq->q_last[tid]; + ascq->q_first[tid] = ascq->q_last[tid] = NULL; + ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); +#ifdef ADVANSYS_STATS + { + REQP reqp; + ascq->q_cur_cnt[tid] = 0; + for (reqp = firstp; reqp; reqp = REQPNEXT(reqp)) { + REQTIMESTAT("asc_dequeue_list", ascq, reqp, tid); + } + } +#endif /* ADVANSYS_STATS */ + } + } else { + /* Return all requests for all tids. */ + firstp = lastp = NULL; + for (i = 0; i <= ADV_MAX_TID; i++) { + if (ascq->q_tidmask & ADV_TID_TO_TIDMASK(i)) { + if (firstp == NULL) { + firstp = ascq->q_first[i]; + lastp = ascq->q_last[i]; + } else { + ASC_ASSERT(lastp != NULL); + REQPNEXT(lastp) = ascq->q_first[i]; + lastp = ascq->q_last[i]; + } + ascq->q_first[i] = ascq->q_last[i] = NULL; + ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(i); +#ifdef ADVANSYS_STATS + ascq->q_cur_cnt[i] = 0; +#endif /* ADVANSYS_STATS */ + } + } +#ifdef ADVANSYS_STATS + { + REQP reqp; + for (reqp = firstp; reqp; reqp = REQPNEXT(reqp)) { + REQTIMESTAT("asc_dequeue_list", ascq, reqp, reqp->target); + } + } +#endif /* ADVANSYS_STATS */ + } + if (lastpp) { + *lastpp = lastp; + } + ASC_DBG1(3, "asc_dequeue_list: firstp %x\n", (unsigned) firstp); + return firstp; +} + +/* + * Remove the specified 'REQP' from the specified queue for + * the specified target device. Clear the 'tidmask' bit for the + * device if no more commands are left queued for it. + * + * 'REQPNEXT(reqp)' returns reqp's the next pointer. + * + * Return ASC_TRUE if the command was found and removed, + * otherwise return ASC_FALSE. + */ +STATIC int +asc_rmqueue(asc_queue_t *ascq, REQP reqp) +{ + REQP currp, prevp; + int tid; + int ret = ASC_FALSE; + + ASC_DBG2(3, "asc_rmqueue: ascq %x, reqp %x\n", + (unsigned) ascq, (unsigned) reqp); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_ASSERT(reqp != NULL); + + tid = REQPTID(reqp); + ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); + + /* + * Handle the common case of 'reqp' being the first + * entry on the queue. + */ + if (reqp == ascq->q_first[tid]) { + ret = ASC_TRUE; + ascq->q_first[tid] = REQPNEXT(reqp); + /* If the queue is now empty, clear its bit and the last pointer. */ + if (ascq->q_first[tid] == NULL) { + ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); + ASC_ASSERT(ascq->q_last[tid] == reqp); + ascq->q_last[tid] = NULL; + } + } else if (ascq->q_first[tid] != NULL) { + ASC_ASSERT(ascq->q_last[tid] != NULL); + /* + * Because the case of 'reqp' being the first entry has been + * handled above and it is known the queue is not empty, if + * 'reqp' is found on the queue it is guaranteed the queue will + * not become empty and that 'q_first[tid]' will not be changed. + * + * Set 'prevp' to the first entry, 'currp' to the second entry, + * and search for 'reqp'. + */ + for (prevp = ascq->q_first[tid], currp = REQPNEXT(prevp); + currp; prevp = currp, currp = REQPNEXT(currp)) { + if (currp == reqp) { + ret = ASC_TRUE; + REQPNEXT(prevp) = REQPNEXT(currp); + REQPNEXT(reqp) = NULL; + if (ascq->q_last[tid] == reqp) { + ascq->q_last[tid] = prevp; + } + break; + } + } + } +#ifdef ADVANSYS_STATS + /* Maintain request queue statistics. */ + if (ret == ASC_TRUE) { + ascq->q_cur_cnt[tid]--; + REQTIMESTAT("asc_rmqueue", ascq, reqp, tid); + } + ASC_ASSERT(ascq->q_cur_cnt[tid] >= 0); +#endif /* ADVANSYS_STATS */ + ASC_DBG2(3, "asc_rmqueue: reqp %x, ret %d\n", (unsigned) reqp, ret); + return ret; +} + +/* + * If the specified 'REQP' is queued on the specified queue for + * the specified target device, return ASC_TRUE. + */ +STATIC int +asc_isqueued(asc_queue_t *ascq, REQP reqp) +{ + REQP treqp; + int tid; + int ret = ASC_FALSE; + + ASC_DBG2(3, "asc_isqueued: ascq %x, reqp %x\n", + (unsigned) ascq, (unsigned) reqp); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + ASC_ASSERT(reqp != NULL); + + tid = REQPTID(reqp); + ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); + + for (treqp = ascq->q_first[tid]; treqp; treqp = REQPNEXT(treqp)) { + ASC_ASSERT(ascq->q_tidmask & ADV_TID_TO_TIDMASK(tid)); + if (treqp == reqp) { + ret = ASC_TRUE; + break; + } + } + ASC_DBG1(3, "asc_isqueued: ret %x\n", ret); + return ret; +} + +/* + * Execute as many queued requests as possible for the specified queue. + * + * Calls asc_execute_scsi_cmnd() to execute a REQP/Scsi_Cmnd. + */ +STATIC void +asc_execute_queue(asc_queue_t *ascq) +{ + ADV_SCSI_BIT_ID_TYPE scan_tidmask; + REQP reqp; + int i; + + ASC_DBG1(1, "asc_execute_queue: ascq %x\n", (unsigned) ascq); + ASC_ASSERT(interrupts_enabled() == ASC_FALSE); + /* + * Execute queued commands for devices attached to + * the current board in round-robin fashion. + */ + scan_tidmask = ascq->q_tidmask; + do { + for (i = 0; i <= ADV_MAX_TID; i++) { + if (scan_tidmask & ADV_TID_TO_TIDMASK(i)) { + if ((reqp = asc_dequeue(ascq, i)) == NULL) { + scan_tidmask &= ~ADV_TID_TO_TIDMASK(i); + } else if (asc_execute_scsi_cmnd((Scsi_Cmnd *) reqp) + == ASC_BUSY) { + scan_tidmask &= ~ADV_TID_TO_TIDMASK(i); + /* Put the request back at front of the list. */ + asc_enqueue(ascq, reqp, ASC_FRONT); + } + } + } + } while (scan_tidmask); + return; +} + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,0) +/* + * asc_prt_board_devices() + * + * Print driver information for devices attached to the board. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_board_devices(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + int leftlen; + int totlen; + int len; + int chip_scsi_id; + int i; + + boardp = ASC_BOARDP(shp); + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, +"\nDevice Information for AdvanSys SCSI Host %d:\n", shp->host_no); + ASC_PRT_NEXT(); + + if (ASC_NARROW_BOARD(boardp)) { + chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; + } else { + chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; + } + + len = asc_prt_line(cp, leftlen, "Target IDs Detected:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) { + len = asc_prt_line(cp, leftlen, " %X,", i); + ASC_PRT_NEXT(); + } + } + len = asc_prt_line(cp, leftlen, " (%X=Host Adapter)\n", chip_scsi_id); + ASC_PRT_NEXT(); + + return totlen; +} + +/* + * Display Wide Board BIOS Information. + */ +STATIC int +asc_prt_adv_bios(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + int leftlen; + int totlen; + int len; + int upgrade = ASC_FALSE; + ushort major, minor, letter; + + boardp = ASC_BOARDP(shp); + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, "\nROM BIOS Version: "); + ASC_PRT_NEXT(); + + /* + * If the BIOS saved a valid signature, then fill in + * the BIOS code segment base address. + */ + if (boardp->bios_signature != 0x55AA) { + len = asc_prt_line(cp, leftlen, "Pre-3.1\n"); + ASC_PRT_NEXT(); + upgrade = ASC_TRUE; + } else { + major = (boardp->bios_version >> 12) & 0xF; + minor = (boardp->bios_version >> 8) & 0xF; + letter = (boardp->bios_version & 0xFF); + + len = asc_prt_line(cp, leftlen, "%d.%d%c\n", + major, minor, letter >= 26 ? '?' : letter + 'A'); + ASC_PRT_NEXT(); + + /* Current available ROM BIOS release is 3.1C. */ + if (major < 3 || (major <= 3 && minor < 1) || + (major <= 3 && minor <= 1 && letter < ('C'- 'A'))) { + upgrade = ASC_TRUE; + } + } + if (upgrade == ASC_TRUE) { + len = asc_prt_line(cp, leftlen, +"Newer version of ROM BIOS available: ftp://ftp.advansys.com/pub\n"); + ASC_PRT_NEXT(); + } + + return totlen; +} + +/* + * Add serial number to information bar if signature AAh + * is found in at bit 15-9 (7 bits) of word 1. + * + * Serial Number consists fo 12 alpha-numeric digits. + * + * 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits) + * 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits) + * 3-4 - Product ID (0-99) Word0: 9-0 (10 bits) + * 5 - Product revision (A-J) Word0: " " + * + * Signature Word1: 15-9 (7 bits) + * 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit) + * 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits) + * + * 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits) + * + * Note 1: Only production cards will have a serial number. + * + * Note 2: Signature is most significant 7 bits (0xFE). + * + * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE. + */ +STATIC int +asc_get_eeprom_string(ushort *serialnum, uchar *cp) +{ + ushort w, num; + + if ((serialnum[1] & 0xFE00) != ((ushort) 0xAA << 8)) { + return ASC_FALSE; + } else { + /* + * First word - 6 digits. + */ + w = serialnum[0]; + + /* Product type - 1st digit. */ + if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') { + /* Product type is P=Prototype */ + *cp += 0x8; + } + cp++; + + /* Manufacturing location - 2nd digit. */ + *cp++ = 'A' + ((w & 0x1C00) >> 10); + + /* Product ID - 3rd, 4th digits. */ + num = w & 0x3FF; + *cp++ = '0' + (num / 100); + num %= 100; + *cp++ = '0' + (num / 10); + + /* Product revision - 5th digit. */ + *cp++ = 'A' + (num % 10); + + /* + * Second word + */ + w = serialnum[1]; + + /* + * Year - 6th digit. + * + * If bit 15 of third word is set, then the + * last digit of the year is greater than 7. + */ + if (serialnum[2] & 0x8000) { + *cp++ = '8' + ((w & 0x1C0) >> 6); + } else { + *cp++ = '0' + ((w & 0x1C0) >> 6); + } + + /* Week of year - 7th, 8th digits. */ + num = w & 0x003F; + *cp++ = '0' + num / 10; + num %= 10; + *cp++ = '0' + num; + + /* + * Third word + */ + w = serialnum[2] & 0x7FFF; + + /* Serial number - 9th digit. */ + *cp++ = 'A' + (w / 1000); + + /* 10th, 11th, 12th digits. */ + num = w % 1000; + *cp++ = '0' + num / 100; + num %= 100; + *cp++ = '0' + num / 10; + num %= 10; + *cp++ = '0' + num; + + *cp = '\0'; /* Null Terminate the string. */ + return ASC_TRUE; + } +} + +/* + * asc_prt_asc_board_eeprom() + * + * Print board EEPROM configuration. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_asc_board_eeprom(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + ASC_DVC_VAR *asc_dvc_varp; + int leftlen; + int totlen; + int len; + ASCEEP_CONFIG *ep; + int i; + int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 }; + uchar serialstr[13]; + + boardp = ASC_BOARDP(shp); + asc_dvc_varp = &boardp->dvc_var.asc_dvc_var; + ep = &boardp->eep_config.asc_eep; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, +"\nEEPROM Settings for AdvanSys SCSI Host %d:\n", shp->host_no); + ASC_PRT_NEXT(); + + if (asc_get_eeprom_string((ushort *) &ep->adapter_info[0], serialstr) == + ASC_TRUE) { + len = asc_prt_line(cp, leftlen, " Serial Number: %s\n", serialstr); + ASC_PRT_NEXT(); + } else { + if (ep->adapter_info[5] == 0xBB) { + len = asc_prt_line(cp, leftlen, + " Default Settings Used for EEPROM-less Adapter.\n"); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + " Serial Number Signature Not Present.\n"); + ASC_PRT_NEXT(); + } + } + + len = asc_prt_line(cp, leftlen, +" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", + ep->chip_scsi_id, ep->max_total_qng, ep->max_tag_qng); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" cntl %x, no_scam %x\n", + ep->cntl, ep->no_scam); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Target ID: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %d", i); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Disconnects: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Command Queuing: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Start Motor: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Synchronous Transfer:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + if (asc_dvc_varp->bus_type & ASC_IS_ISA) { + len = asc_prt_line(cp, leftlen, +" Host ISA DMA speed: %d MB/S\n", + isa_dma_speed[ep->isa_dma_speed]); + ASC_PRT_NEXT(); + } + + return totlen; +} + +/* + * asc_prt_adv_board_eeprom() + * + * Print board EEPROM configuration. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_adv_board_eeprom(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + ADV_DVC_VAR *adv_dvc_varp; + int leftlen; + int totlen; + int len; + int i; + char *termstr; + uchar serialstr[13]; + ADVEEP_CONFIG *ep; + + boardp = ASC_BOARDP(shp); + adv_dvc_varp = &boardp->dvc_var.adv_dvc_var; + ep = &boardp->eep_config.adv_eep; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, +"\nEEPROM Settings for AdvanSys SCSI Host %d:\n", shp->host_no); + ASC_PRT_NEXT(); + + if (asc_get_eeprom_string(&ep->serial_number_word1, serialstr) == + ASC_TRUE) { + len = asc_prt_line(cp, leftlen, " Serial Number: %s\n", serialstr); + ASC_PRT_NEXT(); + } else { + len = asc_prt_line(cp, leftlen, + " Serial Number Signature Not Present.\n"); + ASC_PRT_NEXT(); + } + + len = asc_prt_line(cp, leftlen, +" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n", + ep->adapter_scsi_id, ep->max_host_qng, ep->max_dvc_qng); + ASC_PRT_NEXT(); + + switch (ep->termination) { + case 1: + termstr = "Low Off/High Off"; + break; + case 2: + termstr = "Low Off/High On"; + break; + case 3: + termstr = "Low On/High On"; + break; + default: + case 0: + termstr = "Automatic"; + break; + } + + len = asc_prt_line(cp, leftlen, +" termination: %u (%s), bios_ctrl: %x\n", + ep->termination, termstr, ep->bios_ctrl); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Target ID: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %X", i); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Disconnects: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Command Queuing: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Start Motor: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Synchronous Transfer:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Ultra Transfer: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->ultra_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Wide Transfer: "); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + len = asc_prt_line(cp, leftlen, " %c", + (ep->wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + return totlen; +} + +/* + * asc_prt_driver_conf() + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_driver_conf(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + int leftlen; + int totlen; + int len; + int chip_scsi_id; +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + int i; +#endif /* version >= v1.3.89 */ + + boardp = ASC_BOARDP(shp); + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, +"\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n", + shp->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,89) +" host_busy %u, last_reset %u, max_id %u, max_lun %u\n", + shp->host_busy, shp->last_reset, shp->max_id, shp->max_lun); +#else /* version >= v1.3.89 */ +" host_busy %u, last_reset %u, max_id %u, max_lun %u, max_channel %u\n", + shp->host_busy, shp->last_reset, shp->max_id, shp->max_lun, + shp->max_channel); +#endif /* version >= v1.3.89 */ + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,57) +" can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n", + shp->can_queue, shp->this_id, shp->sg_tablesize, shp->cmd_per_lun); +#else /* version >= v1.3.57 */ +" unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n", + shp->unique_id, shp->can_queue, shp->this_id, shp->sg_tablesize, + shp->cmd_per_lun); +#endif /* version >= v1.3.57 */ + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,57) +" unchecked_isa_dma %d, loaded_as_module %d\n", + shp->unchecked_isa_dma, shp->loaded_as_module); +#else /* version >= v1.3.57 */ +" unchecked_isa_dma %d, use_clustering %d, loaded_as_module %d\n", + shp->unchecked_isa_dma, shp->use_clustering, shp->loaded_as_module); +#endif /* version >= v1.3.57 */ + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " flags %x, last_reset %x, jiffies %x\n", + boardp->flags, boardp->last_reset, jiffies); + ASC_PRT_NEXT(); + + if (ASC_NARROW_BOARD(boardp)) { + chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; + } else { + chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; + } + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) + if (boardp->flags & ASC_SELECT_QUEUE_DEPTHS) { + len = asc_prt_line(cp, leftlen, " queue_depth:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + if (boardp->device[i] == NULL) { + continue; + } + len = asc_prt_line(cp, leftlen, " %X:%d", + i, boardp->device[i]->queue_depth); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + } +#endif /* version >= v1.3.89 */ + +#if ASC_QUEUE_FLOW_CONTROL + if (ASC_NARROW_BOARD(boardp)) { + len = asc_prt_line(cp, leftlen, " queue_curr_depth:"); + ASC_PRT_NEXT(); + /* Use ASC_MAX_TID for Narrow Board. */ + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + if (boardp->device[i] == NULL) { + continue; + } + len = asc_prt_line(cp, leftlen, " %d:%d", + i, boardp->device[i]->queue_curr_depth); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " queue_count:"); + ASC_PRT_NEXT(); + /* Use ASC_MAX_TID for Narrow Board. */ + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + if (boardp->device[i] == NULL) { + continue; + } + len = asc_prt_line(cp, leftlen, " %d:%d", + i, boardp->device[i]->queue_count); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + } +#endif /* ASC_QUEUE_FLOW_CONTROL */ + + return totlen; +} + +/* + * asc_prt_asc_board_info() + * + * Print dynamic board configuration information. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_asc_board_info(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + int leftlen; + int totlen; + int len; + ASC_DVC_VAR *v; + ASC_DVC_CFG *c; + int i; + + boardp = ASC_BOARDP(shp); + v = &boardp->dvc_var.asc_dvc_var; + c = &boardp->dvc_cfg.asc_dvc_cfg; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, +"\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n", + shp->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" chip_version %u, lib_version %x, lib_serial_no %u, mcode_date %x\n", + c->chip_version, c->lib_version, c->lib_serial_no, c->mcode_date); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" mcode_version %x, err_code %u\n", + c->mcode_version, v->err_code); + ASC_PRT_NEXT(); + + /* Current number of commands waiting for the host. */ + len = asc_prt_line(cp, leftlen, +" Total Command Pending: %d\n", v->cur_total_qng); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Command Queuing:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %d:%c", + i, (v->use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + /* Current number of commands waiting for a device. */ + len = asc_prt_line(cp, leftlen, +" Command Queue Pending:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %d:%u", i, v->cur_dvc_qng[i]); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + /* Current limit on number of commands that can be sent to a device. */ + len = asc_prt_line(cp, leftlen, +" Command Queue Limit:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %d:%u", i, v->max_dvc_qng[i]); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + /* Indicate whether the device has returned queue full status. */ + len = asc_prt_line(cp, leftlen, +" Command Queue Full:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + if (boardp->queue_full & ADV_TID_TO_TIDMASK(i)) { + len = asc_prt_line(cp, leftlen, " %d:Y-%d", + i, boardp->queue_full_cnt[i]); + } else { + len = asc_prt_line(cp, leftlen, " %d:N", i); + } + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Synchronous Transfer:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ASC_MAX_TID; i++) { + if ((boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + len = asc_prt_line(cp, leftlen, " %d:%c", + i, (v->sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + for (i = 0; i <= ASC_MAX_TID; i++) { + uchar syn_period_ix; + + if ((boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) { + continue; + } + syn_period_ix = (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index - 1); + len = asc_prt_line(cp, leftlen, " %d:", i); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, + " Transfer Period Factor: %d (%d.%d Mhz),", + v->sdtr_period_tbl[syn_period_ix], + 250 / v->sdtr_period_tbl[syn_period_ix], + ASC_TENTHS(250, v->sdtr_period_tbl[syn_period_ix])); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d\n", + boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET); + ASC_PRT_NEXT(); + } + + return totlen; +} + +/* + * asc_prt_adv_board_info() + * + * Print dynamic board configuration information. + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_adv_board_info(struct Scsi_Host *shp, char *cp, int cplen) +{ + asc_board_t *boardp; + int leftlen; + int totlen; + int len; + int i; + ADV_DVC_VAR *v; + ADV_DVC_CFG *c; + AdvPortAddr iop_base; + ushort chip_scsi_id; + ushort lramword; + uchar lrambyte; + ushort sdtr_able; + ushort period; + + boardp = ASC_BOARDP(shp); + v = &boardp->dvc_var.adv_dvc_var; + c = &boardp->dvc_cfg.adv_dvc_cfg; + iop_base = v->iop_base; + chip_scsi_id = v->chip_scsi_id; + + leftlen = cplen; + totlen = len = 0; + + len = asc_prt_line(cp, leftlen, +"\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n", + shp->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" iop_base %lx, cable_detect: %X, err_code %u, idle_cmd_done %u\n", + v->iop_base, + AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1) & CABLE_DETECT, + v->err_code, v->idle_cmd_done); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" chip_version %u, lib_version %x, mcode_date %x, mcode_version %x\n", + c->chip_version, c->lib_version, c->mcode_date, c->mcode_version); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, lramword); + len = asc_prt_line(cp, leftlen, +" Queuing Enabled:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:%c", + i, (lramword & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Queue Limit:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i, lrambyte); + + len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Command Pending:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i, lrambyte); + + len = asc_prt_line(cp, leftlen, " %X:%d", i, lrambyte); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, lramword); + len = asc_prt_line(cp, leftlen, +" Wide Enabled:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:%c", + i, (lramword & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" Transfer Bit Width:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + AdvReadWordLram(iop_base, ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i), + lramword); + len = asc_prt_line(cp, leftlen, " %X:%d", + i, (lramword & 0x8000) ? 16 : 8); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able); + len = asc_prt_line(cp, leftlen, +" Synchronous Enabled:"); + ASC_PRT_NEXT(); + for (i = 0; i <= ADV_MAX_TID; i++) { + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:%c", + i, (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N'); + ASC_PRT_NEXT(); + } + len = asc_prt_line(cp, leftlen, "\n"); + ASC_PRT_NEXT(); + + for (i = 0; i <= ADV_MAX_TID; i++) { + + AdvReadWordLram(iop_base, ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i), + lramword); + lramword &= ~0x8000; + + if ((chip_scsi_id == i) || + ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0) || + (lramword == 0)) { + continue; + } + + len = asc_prt_line(cp, leftlen, " %X:", i); + ASC_PRT_NEXT(); + + period = (((lramword >> 8) * 25) + 50)/4; + + len = asc_prt_line(cp, leftlen, + " Transfer Period Factor: %d (%d.%d Mhz),", + period, 250/period, ASC_TENTHS(250, period)); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d\n", + lramword & 0x1F); + ASC_PRT_NEXT(); + } + + return totlen; +} + +/* + * asc_proc_copy() + * + * Copy proc information to a read buffer taking into account the current + * read offset in the file and the remaining space in the read buffer. + */ +STATIC int +asc_proc_copy(off_t advoffset, off_t offset, char *curbuf, int leftlen, + char *cp, int cplen) +{ + int cnt = 0; + + ASC_DBG3(2, "asc_proc_copy: offset %d, advoffset %d, cplen %d\n", + (unsigned) offset, (unsigned) advoffset, cplen); + if (offset <= advoffset) { + /* Read offset below current offset, copy everything. */ + cnt = ASC_MIN(cplen, leftlen); + ASC_DBG3(2, "asc_proc_copy: curbuf %x, cp %x, cnt %d\n", + (unsigned) curbuf, (unsigned) cp, cnt); + memcpy(curbuf, cp, cnt); + } else if (offset < advoffset + cplen) { + /* Read offset within current range, partial copy. */ + cnt = (advoffset + cplen) - offset; + cp = (cp + cplen) - cnt; + cnt = ASC_MIN(cnt, leftlen); + ASC_DBG3(2, "asc_proc_copy: curbuf %x, cp %x, cnt %d\n", + (unsigned) curbuf, (unsigned) cp, cnt); + memcpy(curbuf, cp, cnt); + } + return cnt; +} + +/* + * asc_prt_line() + * + * If 'cp' is NULL print to the console, otherwise print to a buffer. + * + * Return 0 if printing to the console, otherwise return the number of + * bytes written to the buffer. + * + * Note: If any single line is greater than ASC_PRTLINE_SIZE bytes the stack + * will be corrupted. 's[]' is defined to be ASC_PRTLINE_SIZE bytes. + */ +STATIC int +asc_prt_line(char *buf, int buflen, char *fmt, ...) +{ + va_list args; + int ret; + char s[ASC_PRTLINE_SIZE]; + + va_start(args, fmt); + ret = vsprintf(s, fmt, args); + ASC_ASSERT(ret < ASC_PRTLINE_SIZE); + if (buf == NULL) { + (void) printk(s); + ret = 0; + } else { + ret = ASC_MIN(buflen, ret); + memcpy(buf, s, ret); + } + va_end(args); + return ret; +} +#endif /* version >= v1.3.0 */ + + +/* + * --- Functions Required by the Asc Library + */ + +/* + * Delay for 'n' milliseconds. Don't use the 'jiffies' + * global variable which is incremented once every 5 ms + * from a timer interrupt, because this function may be + * called when interrupts are disabled. + */ +STATIC void +DvcSleepMilliSecond(ulong n) +{ + ulong i; + + ASC_DBG1(4, "DvcSleepMilliSecond: %lu\n", n); + for (i = 0; i < n; i++) { + udelay(1000); + } +} + +STATIC int +DvcEnterCritical(void) +{ + int flags; + + save_flags(flags); + cli(); + return flags; +} + +STATIC void +DvcLeaveCritical(int flags) +{ + restore_flags(flags); +} + +STATIC ulong +DvcGetSGList(ASC_DVC_VAR *asc_dvc_sg, uchar *buf_addr, ulong buf_len, + ASC_SG_HEAD *asc_sg_head_ptr) +{ + ulong buf_size; + + buf_size = buf_len; + asc_sg_head_ptr->entry_cnt = 1; +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + asc_sg_head_ptr->sg_list[0].addr = (ulong) buf_addr; +#else /* version >= v2.0.0 */ + asc_sg_head_ptr->sg_list[0].addr = virt_to_bus(buf_addr); +#endif /* version >= v2.0.0 */ + asc_sg_head_ptr->sg_list[0].bytes = buf_size; + return buf_size; +} + +/* + * void + * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, ushort *outbuf, int words) + * + * Calling/Exit State: + * none + * + * Description: + * Output an ASC_SCSI_Q structure to the chip + */ +STATIC void +DvcPutScsiQ(PortAddr iop_base, ushort s_addr, ushort *outbuf, int words) +{ + int i; + + ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", (uchar *) outbuf, 2 * words); + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < words; i++, outbuf++) { + if (i == 2 || i == 10) { + continue; + } + AscSetChipLramDataNoSwap(iop_base, *outbuf); + } +} + +/* + * void + * DvcGetQinfo(PortAddr iop_base, ushort s_addr, ushort *inbuf, int words) + * + * Calling/Exit State: + * none + * + * Description: + * Input an ASC_QDONE_INFO structure from the chip + */ +STATIC void +DvcGetQinfo(PortAddr iop_base, ushort s_addr, ushort *inbuf, int words) +{ + int i; + + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < words; i++, inbuf++) { + if (i == 5) { + continue; + } + *inbuf = AscGetChipLramDataNoSwap(iop_base); + } + ASC_DBG_PRT_HEX(2, "DvcGetQinfo", (uchar *) inbuf, 2 * words); +} + +/* + * void DvcOutPortWords(ushort iop_base, ushort &outbuf, int words) + * + * Calling/Exit State: + * none + * + * Description: + * output a buffer to an i/o port address + */ +STATIC void +DvcOutPortWords(ushort iop_base, ushort *outbuf, int words) +{ + int i; + + for (i = 0; i < words; i++, outbuf++) + outpw(iop_base, *outbuf); +} + +/* + * void DvcInPortWords(ushort iop_base, ushort &outbuf, int words) + * + * Calling/Exit State: + * none + * + * Description: + * input a buffer from an i/o port address + */ +STATIC void +DvcInPortWords(ushort iop_base, ushort *inbuf, int words) +{ + int i; + + for (i = 0; i < words; i++, inbuf++) + *inbuf = inpw(iop_base); +} + +/* + * void DvcOutPortDWords(PortAddr port, ulong *pdw, int dwords) + * + * Calling/Exit State: + * none + * + * Description: + * output a buffer of 32-bit integers to an i/o port address in + * 16 bit integer units + */ +STATIC void +DvcOutPortDWords(PortAddr port, ulong *pdw, int dwords) +{ + int i; + int words; + ushort *pw; + + pw = (ushort *) pdw; + words = dwords << 1; + for(i = 0; i < words; i++, pw++) { + outpw(port, *pw); + } + return; +} + +/* + * Read a PCI configuration byte. + */ +ASC_INITFUNC( +STATIC uchar +DvcReadPCIConfigByte( + ASC_DVC_VAR asc_ptr_type *asc_dvc, + ushort offset) +) +{ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + PCI_DATA pciData; + + pciData.bus = ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info); + pciData.slot = ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info); + pciData.func = ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info); + pciData.offset = offset; + pciData.type = pci_scan_method; + return asc_get_cfg_byte(&pciData); +#else /* ASC_CONFIG_PCI */ + return 0; +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + uchar byte_data; + pcibios_read_config_byte(ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info), + PCI_DEVFN(ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info), + ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info)), + offset, &byte_data); + return byte_data; +#else /* CONFIG_PCI */ + return 0; +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ +} + +/* + * Write a PCI configuration byte. + */ +ASC_INITFUNC( +STATIC void +DvcWritePCIConfigByte( + ASC_DVC_VAR asc_ptr_type *asc_dvc, + ushort offset, + uchar byte_data) +) +{ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + PCI_DATA pciData; + + pciData.bus = ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info); + pciData.slot = ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info); + pciData.func = ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info); + pciData.offset = offset; + pciData.type = pci_scan_method; + asc_put_cfg_byte(&pciData, byte_data); +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + pcibios_write_config_byte(ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info), + PCI_DEVFN(ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info), + ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info)), + offset, byte_data); +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ +} + +/* + * Return the BIOS address of the adapter at the specified + * I/O port and with the specified bus type. + */ +ASC_INITFUNC( +STATIC ushort +AscGetChipBiosAddress( + PortAddr iop_base, + ushort bus_type +) +) +{ + ushort cfg_lsw ; + ushort bios_addr ; + + /* + * The PCI BIOS is re-located by the motherboard BIOS. Because + * of this the driver can not determine where a PCI BIOS is + * loaded and executes. + */ + if (bus_type & ASC_IS_PCI) + { + return(0); + } + + if((bus_type & ASC_IS_EISA) != 0) + { + cfg_lsw = AscGetEisaChipCfg(iop_base) ; + cfg_lsw &= 0x000F ; + bios_addr = (ushort)(ASC_BIOS_MIN_ADDR + + (cfg_lsw * ASC_BIOS_BANK_SIZE)) ; + return(bios_addr) ; + }/* if */ + + cfg_lsw = AscGetChipCfgLsw(iop_base) ; + + /* + * ISA PnP uses the top bit as the 32K BIOS flag + */ + if (bus_type == ASC_IS_ISAPNP) + { + cfg_lsw &= 0x7FFF; + }/* if */ + + bios_addr = (ushort)(((cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE) + + ASC_BIOS_MIN_ADDR) ; + return(bios_addr) ; +} + + +/* + * --- Functions Required by the Adv Library + */ + +/* + * DvcGetPhyAddr() + * + * Return the physical address of 'vaddr' and set '*lenp' to the + * number of physically contiguous bytes that follow 'vaddr'. + * 'flag' indicates the type of structure whose physical address + * is being translated. + * + * Note: Because Linux currently doesn't page the kernel and all + * kernel buffers are physically contiguous, leave '*lenp' unchanged. + */ +ulong +DvcGetPhyAddr(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq, + uchar *vaddr, long *lenp, int flag) +{ + ulong paddr; + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,0,0) + paddr = (ulong) vaddr; +#else /* version >= v2.0.0 */ + paddr = virt_to_bus(vaddr); +#endif /* version >= v2.0.0 */ + + ASC_DBG4(4, + "DvcGetPhyAddr: vaddr 0x%lx, lenp 0x%lx *lenp %lu, paddr 0x%lx\n", + (ulong) vaddr, (ulong) lenp, (ulong) *((ulong *) lenp), paddr); + + return paddr; +} + +/* + * Read a PCI configuration byte. + */ +ASC_INITFUNC( +STATIC uchar +DvcAdvReadPCIConfigByte( + ADV_DVC_VAR *asc_dvc, + ushort offset) +) +{ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + PCI_DATA pciData; + + pciData.bus = ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info); + pciData.slot = ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info); + pciData.func = ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info); + pciData.offset = offset; + pciData.type = pci_scan_method; + return asc_get_cfg_byte(&pciData); +#else /* ASC_CONFIG_PCI */ + return 0; +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + uchar byte_data; + pcibios_read_config_byte(ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info), + PCI_DEVFN(ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info), + ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info)), + offset, &byte_data); + return byte_data; +#else /* CONFIG_PCI */ + return 0; +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ +} + +/* + * Write a PCI configuration byte. + */ +ASC_INITFUNC( +STATIC void +DvcAdvWritePCIConfigByte( + ADV_DVC_VAR *asc_dvc, + ushort offset, + uchar byte_data) +) +{ +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,93) +#ifdef ASC_CONFIG_PCI + PCI_DATA pciData; + + pciData.bus = ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info); + pciData.slot = ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info); + pciData.func = ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info); + pciData.offset = offset; + pciData.type = pci_scan_method; + asc_put_cfg_byte(&pciData, byte_data); +#endif /* ASC_CONFIG_PCI */ +#else /* version >= v2.1.93 */ +#ifdef CONFIG_PCI + pcibios_write_config_byte(ASC_PCI_ID2BUS(asc_dvc->cfg->pci_slot_info), + PCI_DEVFN(ASC_PCI_ID2DEV(asc_dvc->cfg->pci_slot_info), + ASC_PCI_ID2FUNC(asc_dvc->cfg->pci_slot_info)), + offset, byte_data); +#endif /* CONFIG_PCI */ +#endif /* version >= v2.1.93 */ +} + +/* + * --- Tracing and Debugging Functions + */ + +#ifdef ADVANSYS_STATS +/* + * asc_prt_board_stats() + * + * Note: no single line should be greater than ASC_PRTLINE_SIZE, + * cf. asc_prt_line(). + * + * Return the number of characters copied into 'cp'. No more than + * 'cplen' characters will be copied to 'cp'. + */ +STATIC int +asc_prt_board_stats(struct Scsi_Host *shp, char *cp, int cplen) +{ + int leftlen; + int totlen; + int len; + struct asc_stats *s; + int i; + ushort chip_scsi_id; + asc_board_t *boardp; + asc_queue_t *active; + asc_queue_t *waiting; + + leftlen = cplen; + totlen = len = 0; + + boardp = ASC_BOARDP(shp); + s = &boardp->asc_stats; + + len = asc_prt_line(cp, leftlen, +"\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n", shp->host_no); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" command %lu, queuecommand %lu, abort %lu, reset %lu, biosparam %lu\n", + s->command, s->queuecommand, s->abort, s->reset, s->biosparam); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" interrupt %lu, callback %lu, done %lu\n", + s->interrupt, s->callback, s->done); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" exe_noerror %lu, exe_busy %lu, exe_error %lu, exe_unknown %lu\n", + s->exe_noerror, s->exe_busy, s->exe_error, s->exe_unknown); + ASC_PRT_NEXT(); + + if (ASC_NARROW_BOARD(boardp)) { + len = asc_prt_line(cp, leftlen, +" build_error %lu\n", + s->build_error); + } else { + len = asc_prt_line(cp, leftlen, +" build_error %lu, build_noreq %lu, build_nosg %lu\n", + s->build_error, s->adv_build_noreq, s->adv_build_nosg); + } + ASC_PRT_NEXT(); + + /* + * Display data transfer statistics. + */ + if (s->cont_cnt > 0) { + len = asc_prt_line(cp, leftlen, " cont_cnt %lu, ", s->cont_cnt); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "cont_xfer %lu.%01lu kb ", + s->cont_xfer/2, + ASC_TENTHS(s->cont_xfer, 2)); + ASC_PRT_NEXT(); + + /* Contiguous transfer average size */ + len = asc_prt_line(cp, leftlen, "avg_xfer %lu.%01lu kb\n", + (s->cont_xfer/2)/s->cont_cnt, + ASC_TENTHS((s->cont_xfer/2), s->cont_cnt)); + ASC_PRT_NEXT(); + } + + if (s->sg_cnt > 0) { + + len = asc_prt_line(cp, leftlen, " sg_cnt %lu, sg_elem %lu, ", + s->sg_cnt, s->sg_elem); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "sg_xfer %lu.%01lu kb\n", + s->sg_xfer/2, + ASC_TENTHS(s->sg_xfer, 2)); + ASC_PRT_NEXT(); + + /* Scatter gather transfer statistics */ + len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ", + s->sg_elem/s->sg_cnt, + ASC_TENTHS(s->sg_elem, s->sg_cnt)); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ", + (s->sg_xfer/2)/s->sg_elem, + ASC_TENTHS((s->sg_xfer/2), s->sg_elem)); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n", + (s->sg_xfer/2)/s->sg_cnt, + ASC_TENTHS((s->sg_xfer/2), s->sg_cnt)); + ASC_PRT_NEXT(); + } + + /* + * Display request queuing statistics. + */ + len = asc_prt_line(cp, leftlen, +" Active and Waiting Request Queues (Time Unit: %d HZ):\n", HZ); + ASC_PRT_NEXT(); + + active = &ASC_BOARDP(shp)->active; + waiting = &ASC_BOARDP(shp)->waiting; + + if (ASC_NARROW_BOARD(boardp)) { + chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; + } else { + chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; + } + + for (i = 0; i <= ADV_MAX_TID; i++) { + + if ((chip_scsi_id == i) || + ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) { + continue; + } + + if (active->q_tot_cnt[i] > 0 || waiting->q_tot_cnt[i] > 0) { + len = asc_prt_line(cp, leftlen, " target %d\n", i); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" active: cnt [cur %d, max %d, tot %u], time [min %d, max %d, avg %lu.%01lu]\n", + active->q_cur_cnt[i], active->q_max_cnt[i], + active->q_tot_cnt[i], + active->q_min_tim[i], active->q_max_tim[i], + (active->q_tot_cnt[i] == 0) ? 0 : + (active->q_tot_tim[i]/active->q_tot_cnt[i]), + (active->q_tot_cnt[i] == 0) ? 0 : + ASC_TENTHS(active->q_tot_tim[i], active->q_tot_cnt[i])); + ASC_PRT_NEXT(); + + len = asc_prt_line(cp, leftlen, +" waiting: cnt [cur %d, max %d, tot %u], time [min %u, max %u, avg %lu.%01lu]\n", + waiting->q_cur_cnt[i], waiting->q_max_cnt[i], + waiting->q_tot_cnt[i], + waiting->q_min_tim[i], waiting->q_max_tim[i], + (waiting->q_tot_cnt[i] == 0) ? 0 : + (waiting->q_tot_tim[i]/waiting->q_tot_cnt[i]), + (waiting->q_tot_cnt[i] == 0) ? 0 : + ASC_TENTHS(waiting->q_tot_tim[i], waiting->q_tot_cnt[i])); + ASC_PRT_NEXT(); + } + } + + return totlen; +} +#endif /* ADVANSYS_STATS */ + +#ifdef ADVANSYS_DEBUG +/* + * asc_prt_scsi_host() + */ +STATIC void +asc_prt_scsi_host(struct Scsi_Host *s) +{ + asc_board_t *boardp; + + boardp = ASC_BOARDP(s); + + printk("Scsi_Host at addr %x\n", (unsigned) s); + printk( +" next %x, extra_bytes %u, host_busy %u, host_no %d, last_reset %d,\n", + (unsigned) s->next, s->extra_bytes, s->host_busy, s->host_no, + (unsigned) s->last_reset); + + printk( +" host_wait %x, host_queue %x, hostt %x, block %x,\n", + (unsigned) s->host_wait, (unsigned) s->host_queue, + (unsigned) s->hostt, (unsigned) s->block); + + printk( +" wish_block %d, base %x, io_port %d, n_io_port %d, irq %d, dma_channel %d,\n", + s->wish_block, (unsigned) s->base, s->io_port, s->n_io_port, + s->irq, s->dma_channel); + + printk( +" this_id %d, can_queue %d,\n", s->this_id, s->can_queue); + + printk( +" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d, loaded_as_module %d\n", + s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma, + s->loaded_as_module); + + if (ASC_NARROW_BOARD(boardp)) { + asc_prt_asc_dvc_var(&ASC_BOARDP(s)->dvc_var.asc_dvc_var); + asc_prt_asc_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.asc_dvc_cfg); + } else { + asc_prt_adv_dvc_var(&ASC_BOARDP(s)->dvc_var.adv_dvc_var); + asc_prt_adv_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.adv_dvc_cfg); + } +} + +/* + * asc_prt_scsi_cmnd() + */ +STATIC void +asc_prt_scsi_cmnd(Scsi_Cmnd *s) +{ + printk("Scsi_Cmnd at addr %x\n", (unsigned) s); + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0) + printk( +" host %x, device %x, target %u, lun %u\n", + (unsigned) s->host, (unsigned) s->device, s->target, s->lun); +#else /* version >= v1.3.0 */ + printk( +" host %x, device %x, target %u, lun %u, channel %u,\n", + (unsigned) s->host, (unsigned) s->device, s->target, s->lun, + s->channel); +#endif /* version >= v1.3.0 */ + + asc_prt_hex(" CDB", s->cmnd, s->cmd_len); + + printk( +" use_sg %u, sglist_len %u, abort_reason %x\n", + s->use_sg, s->sglist_len, s->abort_reason); + +#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,89) + printk( +" retries %d, allowed %d\n", + s->retries, s->allowed); +#else /* version >= v1.3.89 */ + printk( +" serial_number %x, serial_number_at_timeout %x, retries %d, allowed %d\n", + (unsigned) s->serial_number, (unsigned) s->serial_number_at_timeout, + s->retries, s->allowed); +#endif /* version >= v1.3.89 */ + + printk( +" timeout_per_command %d, timeout_total %d, timeout %d\n", + s->timeout_per_command, s->timeout_total, s->timeout); + + printk( +" internal_timeout %u, flags %u, this_count %d\n", + s->internal_timeout, s->flags, s->this_count); + + printk( +" scsi_done %x, done %x, host_scribble %x, result %x\n", + (unsigned) s->scsi_done, (unsigned) s->done, + (unsigned) s->host_scribble, s->result); + + printk( +" tag %u, pid %u\n", + (unsigned) s->tag, (unsigned) s->pid); +} + +/* + * asc_prt_asc_dvc_var() + */ +STATIC void +asc_prt_asc_dvc_var(ASC_DVC_VAR *h) +{ + printk("ASC_DVC_VAR at addr %x\n", (unsigned) h); + + printk( +" iop_base %x, err_code %x, dvc_cntl %x, bug_fix_cntl %d,\n", + h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl); + + printk( +" bus_type %d, isr_callback %x, exe_callback %x, init_sdtr %x,\n", + h->bus_type, (unsigned) h->isr_callback, (unsigned) h->exe_callback, + (unsigned) h->init_sdtr); + + printk( +" sdtr_done %x, use_tagged_qng %x, unit_not_ready %x, chip_no %x,\n", + (unsigned) h->sdtr_done, (unsigned) h->use_tagged_qng, + (unsigned) h->unit_not_ready, (unsigned) h->chip_no); + + printk( +" queue_full_or_busy %x, start_motor %x, scsi_reset_wait %x, irq_no %x,\n", + (unsigned) h->queue_full_or_busy, (unsigned) h->start_motor, + (unsigned) h->scsi_reset_wait, (unsigned) h->irq_no); + + printk( +" is_in_int %x, max_total_qng %x, cur_total_qng %x, in_critical_cnt %x,\n", + (unsigned) h->is_in_int, (unsigned) h->max_total_qng, + (unsigned) h->cur_total_qng, (unsigned) h->in_critical_cnt); + + printk( +" last_q_shortage %x, init_state %x, no_scam %x, pci_fix_asyn_xfer %x,\n", + (unsigned) h->last_q_shortage, (unsigned) h->init_state, + (unsigned) h->no_scam, (unsigned) h->pci_fix_asyn_xfer); + + printk( +" cfg %x, saved_ptr2func %x\n", + (unsigned) h->cfg, (unsigned) h->saved_ptr2func); +} + +/* + * asc_prt_asc_dvc_cfg() + */ +STATIC void +asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h) +{ + printk("ASC_DVC_CFG at addr %x\n", (unsigned) h); + + printk( +" can_tagged_qng %x, cmd_qng_enabled %x, disc_enable %x, sdtr_enable %x,\n", + h->can_tagged_qng, h->cmd_qng_enabled, h->disc_enable, + h->sdtr_enable); + + printk( +" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, chip_version %d,\n", + h->chip_scsi_id, h->isa_dma_speed, h->isa_dma_channel, + h->chip_version); + + printk( +" pci_device_id %d, lib_serial_no %x, lib_version %x, mcode_date %x,\n", + h->pci_device_id, h->lib_serial_no, h->lib_version, h->mcode_date); + + printk( +" mcode_version %d, overrun_buf %x\n", + h->mcode_version, (unsigned) h->overrun_buf); +} + +/* + * asc_prt_asc_scsi_q() + */ +STATIC void +asc_prt_asc_scsi_q(ASC_SCSI_Q *q) +{ + ASC_SG_HEAD *sgp; + int i; + + printk("ASC_SCSI_Q at addr %x\n", (unsigned) q); + + printk( +" target_ix %u, target_lun %u, srb_ptr %x, tag_code %u,\n", + q->q2.target_ix, q->q1.target_lun, + (unsigned) q->q2.srb_ptr, q->q2.tag_code); + + printk( +" data_addr %x, data_cnt %lu, sense_addr %x, sense_len %u,\n", + (unsigned) q->q1.data_addr, q->q1.data_cnt, + (unsigned) q->q1.sense_addr, q->q1.sense_len); + + printk( +" cdbptr %x, cdb_len %u, sg_head %x, sg_queue_cnt %u\n", + (unsigned) q->cdbptr, q->q2.cdb_len, + (unsigned) q->sg_head, q->q1.sg_queue_cnt); + + if (q->sg_head) { + sgp = q->sg_head; + printk("ASC_SG_HEAD at addr %x\n", (unsigned) sgp); + printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt, sgp->queue_cnt); + for (i = 0; i < sgp->entry_cnt; i++) { + printk(" [%u]: addr %x, bytes %lu\n", + i, (unsigned) sgp->sg_list[i].addr, sgp->sg_list[i].bytes); + } + + } +} + +/* + * asc_prt_asc_qdone_info() + */ +STATIC void +asc_prt_asc_qdone_info(ASC_QDONE_INFO *q) +{ + printk("ASC_QDONE_INFO at addr %x\n", (unsigned) q); + printk( +" srb_ptr %x, target_ix %u, cdb_len %u, tag_code %u, done_stat %x\n", + (unsigned) q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len, + q->d2.tag_code, q->d3.done_stat); + printk( +" host_stat %x, scsi_stat %x, scsi_msg %x\n", + q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg); +} + +/* + * asc_prt_adv_dvc_var() + * + * Display an ADV_DVC_VAR structure. + */ +STATIC void +asc_prt_adv_dvc_var(ADV_DVC_VAR *h) +{ + printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong) h); + + printk( +" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n", + (ulong) h->iop_base, h->err_code, (unsigned) h->ultra_able); + + printk( +" isr_callback 0x%x, sdtr_able 0x%x, wdtr_able 0x%x\n", + (unsigned) h->isr_callback, (unsigned) h->wdtr_able, + (unsigned) h->sdtr_able); + + printk( +" start_motor 0x%x, scsi_reset_wait 0x%x, irq_no 0x%x,\n", + (unsigned) h->start_motor, + (unsigned) h->scsi_reset_wait, (unsigned) h->irq_no); + + printk( +" max_host_qng 0x%x, cur_host_qng 0x%x, max_dvc_qng 0x%x\n", + (unsigned) h->max_host_qng, (unsigned) h->cur_host_qng, + (unsigned) h->max_dvc_qng); + + printk( +" no_scam 0x%x, tagqng_able 0x%x, chip_scsi_id 0x%x, cfg 0x%lx\n", + (unsigned) h->no_scam, (unsigned) h->tagqng_able, + (unsigned) h->chip_scsi_id, (ulong) h->cfg); + +} + +/* + * asc_prt_adv_dvc_cfg() + * + * Display an ADV_DVC_CFG structure. + */ +STATIC void +asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h) +{ + printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong) h); + + printk( +" disc_enable 0x%x, termination 0x%x\n", + h->disc_enable, h->termination); + + printk( +" chip_version 0x%x, mcode_date 0x%x\n", + h->chip_version, h->mcode_date); + + printk( +" mcode_version 0x%x, pci_device_id 0x%x, lib_version 0x%x\n", + h->mcode_version, h->pci_device_id, h->lib_version); + + printk( +" control_flag 0x%x, pci_slot_info 0x%x\n", + h->control_flag, h->pci_slot_info); +} + +/* + * asc_prt_adv_scsi_req_q() + * + * Display an ADV_SCSI_REQ_Q structure. + */ +STATIC void +asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q) +{ + int i; + struct asc_sg_block *sg_ptr; + + printk("ADV_SCSI_REQ_Q at addr %x\n", (unsigned) q); + + printk( +" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n", + q->target_id, q->target_lun, q->srb_ptr, q->a_flag); + + printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n", + q->cntl, q->data_addr, q->vdata_addr); + + printk( +" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n", + q->data_cnt, q->sense_addr, q->sense_len); + + printk( +" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n", + q->cdb_len, q->done_status, q->host_status, q->scsi_status); + + printk( +" vsense_addr 0x%lx, scsiq_ptr 0x%lx, ux_wk_data_cnt %lu\n", + (ulong) q->vsense_addr, (ulong) q->scsiq_ptr, + (ulong) q->ux_wk_data_cnt); + + printk( +" sg_list_ptr 0x%lx, sg_real_addr 0x%lx, sg_entry_cnt %u\n", + (ulong) q->sg_list_ptr, (ulong) q->sg_real_addr, q->sg_entry_cnt); + + printk( +" ux_sg_ix %u, orig_sense_len %u\n", + q->ux_sg_ix, q->orig_sense_len); + + /* Display the request's ADV_SG_BLOCK structures. */ + for (sg_ptr = q->sg_list_ptr, i = 0; sg_ptr != NULL; + sg_ptr = sg_ptr->sg_ptr, i++) { + /* + * 'sg_ptr' is a physical address. Convert it to a virtual + * address by indexing 'i' into the virtual address array + * 'sg_list_ptr'. + * + * At the end of the each iteration of the loop 'sg_ptr' is + * converted back into a physical address by setting 'sg_ptr' + * to the next pointer 'sg_ptr->sg_ptr'. + */ + sg_ptr = &(((ADV_SG_BLOCK *) (q->sg_list_ptr))[i]); + asc_prt_adv_sgblock(i, sg_ptr); + } +} + +/* + * asc_prt_adv_sgblock() + * + * Display an ADV_SG_BLOCK structure. + */ +STATIC void +asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b) +{ + int i, s; + + /* Calculate starting entry number for the current block. */ + s = sgblockno * NO_OF_SG_PER_BLOCK; + + printk(" ADV_SG_BLOCK at addr 0x%lx (sgblockno %lu)\n", + (ulong) b, (ulong) sgblockno); + printk( +" first_entry_no %lu, last_entry_no %lu, sg_ptr 0x%lx\n", + (ulong) b->first_entry_no, (ulong) b->last_entry_no, (ulong) b->sg_ptr); + ASC_ASSERT(b->first_entry_no - s >= 0); + ASC_ASSERT(b->last_entry_no - s >= 0); + ASC_ASSERT(b->last_entry_no - s <= NO_OF_SG_PER_BLOCK); + ASC_ASSERT(b->first_entry_no - s <= NO_OF_SG_PER_BLOCK); + ASC_ASSERT(b->first_entry_no - s <= NO_OF_SG_PER_BLOCK); + ASC_ASSERT(b->first_entry_no - s <= b->last_entry_no - s); + for (i = b->first_entry_no - s; i <= b->last_entry_no - s; i++) { + printk(" [%lu]: sg_addr 0x%lx, sg_count 0x%lx\n", + (ulong) i, (ulong) b->sg_list[i].sg_addr, + (ulong) b->sg_list[i].sg_count); + } +} + +/* + * asc_prt_hex() + * + * Print hexadecimal output in 4 byte groupings 32 bytes + * or 8 double-words per line. + */ +STATIC void +asc_prt_hex(char *f, uchar *s, int l) +{ + int i; + int j; + int k; + int m; + + printk("%s: (%d bytes)\n", f, l); + + for (i = 0; i < l; i += 32) { + + /* Display a maximum of 8 double-words per line. */ + if ((k = (l - i) / 4) >= 8) { + k = 8; + m = 0; + } else { + m = (l - i) % 4 ; + } + + for (j = 0; j < k; j++) { + printk(" %2.2X%2.2X%2.2X%2.2X", + (unsigned) s[i+(j*4)], (unsigned) s[i+(j*4)+1], + (unsigned) s[i+(j*4)+2], (unsigned) s[i+(j*4)+3]); + } + + switch (m) { + case 0: + default: + break; + case 1: + printk(" %2.2X", + (unsigned) s[i+(j*4)]); + break; + case 2: + printk(" %2.2X%2.2X", + (unsigned) s[i+(j*4)], + (unsigned) s[i+(j*4)+1]); + break; + case 3: + printk(" %2.2X%2.2X%2.2X", + (unsigned) s[i+(j*4)+1], + (unsigned) s[i+(j*4)+2], + (unsigned) s[i+(j*4)+3]); + break; + } + + printk("\n"); + } +} +#endif /* ADVANSYS_DEBUG */ + +#ifdef ADVANSYS_ASSERT +/* + * interrupts_enabled() + * + * Return 1 if interrupts are enabled, otherwise return 0. + */ +STATIC int +interrupts_enabled(void) +{ + int flags; + + save_flags(flags); + if (flags & 0x0200) { + return ASC_TRUE; + } else { + return ASC_FALSE; + } +} +#endif /* ADVANSYS_ASSERT */ + + +/* + * --- Asc Library Functions + */ + +ASC_INITFUNC( +STATIC ushort +AscGetEisaChipCfg( + PortAddr iop_base +) +) +{ + PortAddr eisa_cfg_iop; + + eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | + (PortAddr) (ASC_EISA_CFG_IOP_MASK); + return (inpw(eisa_cfg_iop)); +} + +ASC_INITFUNC( +STATIC uchar +AscSetChipScsiID( + PortAddr iop_base, + uchar new_host_id +) +) +{ + ushort cfg_lsw; + + if (AscGetChipScsiID(iop_base) == new_host_id) { + return (new_host_id); + } + cfg_lsw = AscGetChipCfgLsw(iop_base); + cfg_lsw &= 0xF8FF; + cfg_lsw |= (ushort) ((new_host_id & ASC_MAX_TID) << 8); + AscSetChipCfgLsw(iop_base, cfg_lsw); + return (AscGetChipScsiID(iop_base)); +} + +ASC_INITFUNC( +STATIC uchar +AscGetChipScsiCtrl( + PortAddr iop_base +) +) +{ + uchar sc; + + AscSetBank(iop_base, 1); + sc = inp(iop_base + IOP_REG_SC); + AscSetBank(iop_base, 0); + return (sc); +} + +ASC_INITFUNC( +STATIC uchar +AscGetChipVersion( + PortAddr iop_base, + ushort bus_type +) +) +{ + if ((bus_type & ASC_IS_EISA) != 0) { + PortAddr eisa_iop; + uchar revision; + eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) | + (PortAddr) ASC_EISA_REV_IOP_MASK; + revision = inp(eisa_iop); + return ((uchar) ((ASC_CHIP_MIN_VER_EISA - 1) + revision)); + } + return (AscGetChipVerNo(iop_base)); +} + +ASC_INITFUNC( +STATIC ushort +AscGetChipBusType( + PortAddr iop_base +) +) +{ + ushort chip_ver; + + chip_ver = AscGetChipVerNo(iop_base); + if ( + (chip_ver >= ASC_CHIP_MIN_VER_VL) + && (chip_ver <= ASC_CHIP_MAX_VER_VL) +) { + if ( + ((iop_base & 0x0C30) == 0x0C30) + || ((iop_base & 0x0C50) == 0x0C50) +) { + return (ASC_IS_EISA); + } + return (ASC_IS_VL); + } + if ((chip_ver >= ASC_CHIP_MIN_VER_ISA) && + (chip_ver <= ASC_CHIP_MAX_VER_ISA)) { + if (chip_ver >= ASC_CHIP_MIN_VER_ISA_PNP) { + return (ASC_IS_ISAPNP); + } + return (ASC_IS_ISA); + } else if ((chip_ver >= ASC_CHIP_MIN_VER_PCI) && + (chip_ver <= ASC_CHIP_MAX_VER_PCI)) { + return (ASC_IS_PCI); + } + return (0); +} + +ASC_INITFUNC( +STATIC ulong +AscLoadMicroCode( + PortAddr iop_base, + ushort s_addr, + ushort *mcode_buf, + ushort mcode_size +) +) +{ + ulong chksum; + ushort mcode_word_size; + ushort mcode_chksum; + + mcode_word_size = (ushort) (mcode_size >> 1); + AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size); + AscMemWordCopyToLram(iop_base, s_addr, mcode_buf, mcode_word_size); + chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size); + mcode_chksum = (ushort) AscMemSumLramWord(iop_base, + (ushort) ASC_CODE_SEC_BEG, + (ushort) ((mcode_size - s_addr - (ushort) ASC_CODE_SEC_BEG) / 2)); + AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum); + AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size); + return (chksum); +} + +ASC_INITFUNC( +STATIC int +AscFindSignature( + PortAddr iop_base +) +) +{ + ushort sig_word; + + if (AscGetChipSignatureByte(iop_base) == (uchar) ASC_1000_ID1B) { + sig_word = AscGetChipSignatureWord(iop_base); + if ((sig_word == (ushort) ASC_1000_ID0W) || + (sig_word == (ushort) ASC_1000_ID0W_FIX)) { + return (1); + } + } + return (0); +} + +STATIC uchar _isa_pnp_inited ASC_INITDATA = 0; +STATIC PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] ASC_INITDATA = +{ + 0x100, ASC_IOADR_1, 0x120, ASC_IOADR_2, 0x140, ASC_IOADR_3, ASC_IOADR_4, + ASC_IOADR_5, ASC_IOADR_6, ASC_IOADR_7, ASC_IOADR_8 +}; + +ASC_INITFUNC( +STATIC PortAddr +AscSearchIOPortAddr( + PortAddr iop_beg, + ushort bus_type +) +) +{ + if (bus_type & ASC_IS_VL) { + while ((iop_beg = AscSearchIOPortAddr11(iop_beg)) != 0) { + if (AscGetChipVersion(iop_beg, bus_type) <= ASC_CHIP_MAX_VER_VL) { + return (iop_beg); + } + } + return (0); + } + if (bus_type & ASC_IS_ISA) { + if (_isa_pnp_inited == 0) { + AscSetISAPNPWaitForKey(); + _isa_pnp_inited++; + } + while ((iop_beg = AscSearchIOPortAddr11(iop_beg)) != 0) { + if ((AscGetChipVersion(iop_beg, bus_type) & ASC_CHIP_VER_ISA_BIT) != 0) { + return (iop_beg); + } + } + return (0); + } + if (bus_type & ASC_IS_EISA) { + if ((iop_beg = AscSearchIOPortAddrEISA(iop_beg)) != 0) { + return (iop_beg); + } + return (0); + } + return (0); +} + +ASC_INITFUNC( +STATIC PortAddr +AscSearchIOPortAddr11( + PortAddr s_addr +) +) +{ + int i; + PortAddr iop_base; + + for (i = 0; i < ASC_IOADR_TABLE_MAX_IX; i++) { + if (_asc_def_iop_base[i] > s_addr) { + break; + } + } + for (; i < ASC_IOADR_TABLE_MAX_IX; i++) { + iop_base = _asc_def_iop_base[i]; + if (check_region(iop_base, ASC_IOADR_GAP) != 0) { + ASC_DBG1(1, + "AscSearchIOPortAddr11: check_region() failed I/O port %x\n", + iop_base); + continue; + } + ASC_DBG1(1, "AscSearchIOPortAddr11: probing I/O port %x\n", iop_base); + if (AscFindSignature(iop_base)) { + return (iop_base); + } + } + return (0); +} + +ASC_INITFUNC( +STATIC void +AscToggleIRQAct( + PortAddr iop_base +) +) +{ + AscSetChipStatus(iop_base, CIW_IRQ_ACT); + AscSetChipStatus(iop_base, 0); + return; +} + +ASC_INITFUNC( +STATIC void +AscSetISAPNPWaitForKey( + void) +) +{ + outp(ASC_ISA_PNP_PORT_ADDR, 0x02); + outp(ASC_ISA_PNP_PORT_WRITE, 0x02); + return; +} + +ASC_INITFUNC( +STATIC uchar +AscGetChipIRQ( + PortAddr iop_base, + ushort bus_type +) +) +{ + ushort cfg_lsw; + uchar chip_irq; + + if ((bus_type & ASC_IS_EISA) != 0) { + cfg_lsw = AscGetEisaChipCfg(iop_base); + chip_irq = (uchar) (((cfg_lsw >> 8) & 0x07) + 10); + if ((chip_irq == 13) || (chip_irq > 15)) { + return (0); + } + return (chip_irq); + } + if ((bus_type & ASC_IS_VL) != 0) { + cfg_lsw = AscGetChipCfgLsw(iop_base); + chip_irq = (uchar) (((cfg_lsw >> 2) & 0x07)); + if ((chip_irq == 0) || + (chip_irq == 4) || + (chip_irq == 7)) { + return (0); + } + return ((uchar) (chip_irq + (ASC_MIN_IRQ_NO - 1))); + } + cfg_lsw = AscGetChipCfgLsw(iop_base); + chip_irq = (uchar) (((cfg_lsw >> 2) & 0x03)); + if (chip_irq == 3) + chip_irq += (uchar) 2; + return ((uchar) (chip_irq + ASC_MIN_IRQ_NO)); +} + +ASC_INITFUNC( +STATIC uchar +AscSetChipIRQ( + PortAddr iop_base, + uchar irq_no, + ushort bus_type +) +) +{ + ushort cfg_lsw; + + if ((bus_type & ASC_IS_VL) != 0) { + if (irq_no != 0) { + if ((irq_no < ASC_MIN_IRQ_NO) || (irq_no > ASC_MAX_IRQ_NO)) { + irq_no = 0; + } else { + irq_no -= (uchar) ((ASC_MIN_IRQ_NO - 1)); + } + } + cfg_lsw = (ushort) (AscGetChipCfgLsw(iop_base) & 0xFFE3); + cfg_lsw |= (ushort) 0x0010; + AscSetChipCfgLsw(iop_base, cfg_lsw); + AscToggleIRQAct(iop_base); + cfg_lsw = (ushort) (AscGetChipCfgLsw(iop_base) & 0xFFE0); + cfg_lsw |= (ushort) ((irq_no & 0x07) << 2); + AscSetChipCfgLsw(iop_base, cfg_lsw); + AscToggleIRQAct(iop_base); + return (AscGetChipIRQ(iop_base, bus_type)); + } + if ((bus_type & (ASC_IS_ISA)) != 0) { + if (irq_no == 15) + irq_no -= (uchar) 2; + irq_no -= (uchar) ASC_MIN_IRQ_NO; + cfg_lsw = (ushort) (AscGetChipCfgLsw(iop_base) & 0xFFF3); + cfg_lsw |= (ushort) ((irq_no & 0x03) << 2); + AscSetChipCfgLsw(iop_base, cfg_lsw); + return (AscGetChipIRQ(iop_base, bus_type)); + } + return (0); +} + +ASC_INITFUNC( +STATIC void +AscEnableIsaDma( + uchar dma_channel +) +) +{ + if (dma_channel < 4) { + outp(0x000B, (ushort) (0xC0 | dma_channel)); + outp(0x000A, dma_channel); + } else if (dma_channel < 8) { + outp(0x00D6, (ushort) (0xC0 | (dma_channel - 4))); + outp(0x00D4, (ushort) (dma_channel - 4)); + } + return; +} + +STATIC int +AscIsrChipHalted( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + EXT_MSG ext_msg; + EXT_MSG out_msg; + ushort halt_q_addr; + int sdtr_accept; + ushort int_halt_code; + ASC_SCSI_BIT_ID_TYPE scsi_busy; + ASC_SCSI_BIT_ID_TYPE target_id; + PortAddr iop_base; + uchar tag_code; + uchar q_status; + uchar halt_qp; + uchar sdtr_data; + uchar target_ix; + uchar q_cntl, tid_no; + uchar cur_dvc_qng; + uchar asyn_sdtr; + uchar scsi_status; + asc_board_t *boardp; + + ASC_ASSERT(asc_dvc->drv_ptr != 0); + boardp = (asc_board_t *) asc_dvc->drv_ptr; + + iop_base = asc_dvc->iop_base; + int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W); + + halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B); + halt_q_addr = ASC_QNO_TO_QADDR(halt_qp); + target_ix = AscReadLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_TARGET_IX)); + q_cntl = AscReadLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL)); + tid_no = ASC_TIX_TO_TID(target_ix); + target_id = (uchar) ASC_TID_TO_TARGET_ID(tid_no); + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + + asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB; + } else { + asyn_sdtr = 0; + } + if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) { + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + AscSetChipSDTR(iop_base, 0, tid_no); + boardp->sdtr_data[tid_no] = 0; + } + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) { + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + boardp->sdtr_data[tid_no] = asyn_sdtr; + } + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_EXTMSG_IN) { + + AscMemWordCopyFromLram(iop_base, + ASCV_MSGIN_BEG, + (ushort *) & ext_msg, + (ushort) (sizeof (EXT_MSG) >> 1)); + + if (ext_msg.msg_type == MS_EXTEND && + ext_msg.msg_req == MS_SDTR_CODE && + ext_msg.msg_len == MS_SDTR_LEN) { + sdtr_accept = TRUE; + if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) { + + sdtr_accept = FALSE; + ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET; + } + if ((ext_msg.xfer_period < + asc_dvc->sdtr_period_tbl[asc_dvc->host_init_sdtr_index]) || + (ext_msg.xfer_period > + asc_dvc->sdtr_period_tbl[asc_dvc->max_sdtr_index])) { + sdtr_accept = FALSE; + ext_msg.xfer_period = + asc_dvc->sdtr_period_tbl[asc_dvc->host_init_sdtr_index]; + } + if (sdtr_accept) { + sdtr_data = AscCalSDTRData(asc_dvc, ext_msg.xfer_period, + ext_msg.req_ack_offset); + if ((sdtr_data == 0xFF)) { + + q_cntl |= QC_MSG_OUT; + asc_dvc->init_sdtr &= ~target_id; + asc_dvc->sdtr_done &= ~target_id; + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + boardp->sdtr_data[tid_no] = asyn_sdtr; + } + } + if (ext_msg.req_ack_offset == 0) { + + q_cntl &= ~QC_MSG_OUT; + asc_dvc->init_sdtr &= ~target_id; + asc_dvc->sdtr_done &= ~target_id; + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + } else { + if (sdtr_accept && (q_cntl & QC_MSG_OUT)) { + + q_cntl &= ~QC_MSG_OUT; + asc_dvc->sdtr_done |= target_id; + asc_dvc->init_sdtr |= target_id; + asc_dvc->pci_fix_asyn_xfer &= ~target_id; + sdtr_data = AscCalSDTRData(asc_dvc, ext_msg.xfer_period, + ext_msg.req_ack_offset); + AscSetChipSDTR(iop_base, sdtr_data, tid_no); + boardp->sdtr_data[tid_no] = sdtr_data; + } else { + + q_cntl |= QC_MSG_OUT; + AscMsgOutSDTR(asc_dvc, + ext_msg.xfer_period, + ext_msg.req_ack_offset); + asc_dvc->pci_fix_asyn_xfer &= ~target_id; + sdtr_data = AscCalSDTRData(asc_dvc, ext_msg.xfer_period, + ext_msg.req_ack_offset); + AscSetChipSDTR(iop_base, sdtr_data, tid_no); + boardp->sdtr_data[tid_no] = sdtr_data; + asc_dvc->sdtr_done |= target_id; + asc_dvc->init_sdtr |= target_id; + } + } + + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (ext_msg.msg_type == MS_EXTEND && + ext_msg.msg_req == MS_WDTR_CODE && + ext_msg.msg_len == MS_WDTR_LEN) { + + ext_msg.wdtr_width = 0; + AscMemWordCopyToLram(iop_base, + ASCV_MSGOUT_BEG, + (ushort *) & ext_msg, + (ushort) (sizeof (EXT_MSG) >> 1)); + q_cntl |= QC_MSG_OUT; + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else { + + ext_msg.msg_type = M1_MSG_REJECT; + AscMemWordCopyToLram(iop_base, + ASCV_MSGOUT_BEG, + (ushort *) & ext_msg, + (ushort) (sizeof (EXT_MSG) >> 1)); + q_cntl |= QC_MSG_OUT; + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } + } else if (int_halt_code == ASC_HALT_CHK_CONDITION) { + + q_cntl |= QC_REQ_SENSE; + + if ((asc_dvc->init_sdtr & target_id) != 0) { + + asc_dvc->sdtr_done &= ~target_id; + + sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); + q_cntl |= QC_MSG_OUT; + AscMsgOutSDTR(asc_dvc, + asc_dvc->sdtr_period_tbl[(sdtr_data >> 4) & + (uchar) (asc_dvc->max_sdtr_index - 1)], + (uchar) (sdtr_data & (uchar) ASC_SYN_MAX_OFFSET)); + } + + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), + q_cntl); + + tag_code = AscReadLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_TAG_CODE)); + tag_code &= 0xDC; + if ( + (asc_dvc->pci_fix_asyn_xfer & target_id) + && !(asc_dvc->pci_fix_asyn_xfer_always & target_id) +) { + + tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT + | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX); + + } + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_TAG_CODE), + tag_code); + + q_status = AscReadLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_STATUS)); + q_status |= (QS_READY | QS_BUSY); + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_STATUS), + q_status); + + scsi_busy = AscReadLramByte(iop_base, + (ushort) ASCV_SCSIBUSY_B); + scsi_busy &= ~target_id; + AscWriteLramByte(iop_base, (ushort) ASCV_SCSIBUSY_B, scsi_busy); + + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) { + + AscMemWordCopyFromLram(iop_base, + ASCV_MSGOUT_BEG, + (ushort *) & out_msg, + (ushort) (sizeof (EXT_MSG) >> 1)); + + if ((out_msg.msg_type == MS_EXTEND) && + (out_msg.msg_len == MS_SDTR_LEN) && + (out_msg.msg_req == MS_SDTR_CODE)) { + + asc_dvc->init_sdtr &= ~target_id; + asc_dvc->sdtr_done &= ~target_id; + AscSetChipSDTR(iop_base, asyn_sdtr, tid_no); + boardp->sdtr_data[tid_no] = asyn_sdtr; + } + q_cntl &= ~QC_MSG_OUT; + AscWriteLramByte(iop_base, + (ushort) (halt_q_addr + (ushort) ASC_SCSIQ_B_CNTL), + q_cntl); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) { + + scsi_status = AscReadLramByte(iop_base, + (ushort) ((ushort) halt_q_addr + (ushort) ASC_SCSIQ_SCSI_STATUS)); + cur_dvc_qng = AscReadLramByte(iop_base, + (ushort) ((ushort) ASC_QADR_BEG + (ushort) target_ix)); + if ((cur_dvc_qng > 0) && + (asc_dvc->cur_dvc_qng[tid_no] > 0)) { + + scsi_busy = AscReadLramByte(iop_base, + (ushort) ASCV_SCSIBUSY_B); + scsi_busy |= target_id; + AscWriteLramByte(iop_base, + (ushort) ASCV_SCSIBUSY_B, scsi_busy); + asc_dvc->queue_full_or_busy |= target_id; + + if (scsi_status == SS_QUEUE_FULL) { + if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) { + cur_dvc_qng -= 1; + asc_dvc->max_dvc_qng[tid_no] = cur_dvc_qng; + + AscWriteLramByte(iop_base, + (ushort) ((ushort) ASCV_MAX_DVC_QNG_BEG + + (ushort) tid_no), + cur_dvc_qng); + + /* + * Set the device queue depth to the number of + * active requests when the QUEUE FULL condition + * was encountered. + */ + boardp->queue_full |= target_id; + boardp->queue_full_cnt[tid_no] = cur_dvc_qng; +#if ASC_QUEUE_FLOW_CONTROL + if (boardp->device[tid_no] != NULL && + boardp->device[tid_no]->queue_curr_depth > + cur_dvc_qng) { + boardp->device[tid_no]->queue_curr_depth = + cur_dvc_qng; + } +#endif /* ASC_QUEUE_FLOW_CONTROL */ + } + } + } + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + return (0); + } + return (0); +} + +STATIC uchar +_AscCopyLramScsiDoneQ( + PortAddr iop_base, + ushort q_addr, + REG ASC_QDONE_INFO * scsiq, + ulong max_dma_count +) +{ + ushort _val; + uchar sg_queue_cnt; + + DvcGetQinfo(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_DONE_INFO_BEG), + (ushort *) scsiq, + (ushort) ((sizeof (ASC_SCSIQ_2) + sizeof (ASC_SCSIQ_3)) / 2)); + _val = AscReadLramWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS)); + scsiq->q_status = (uchar) _val; + scsiq->q_no = (uchar) (_val >> 8); + _val = AscReadLramWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_CNTL)); + scsiq->cntl = (uchar) _val; + sg_queue_cnt = (uchar) (_val >> 8); + _val = AscReadLramWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_SENSE_LEN)); + scsiq->sense_len = (uchar) _val; + scsiq->extra_bytes = (uchar) (_val >> 8); + scsiq->remain_bytes = AscReadLramWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_DW_REMAIN_XFER_CNT)); + scsiq->remain_bytes &= max_dma_count; + return (sg_queue_cnt); +} + +STATIC int +AscIsrQDone( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + uchar next_qp; + uchar n_q_used; + uchar sg_list_qp; + uchar sg_queue_cnt; + uchar q_cnt; + uchar done_q_tail; + uchar tid_no; + ASC_SCSI_BIT_ID_TYPE scsi_busy; + ASC_SCSI_BIT_ID_TYPE target_id; + PortAddr iop_base; + ushort q_addr; + ushort sg_q_addr; + uchar cur_target_qng; + ASC_QDONE_INFO scsiq_buf; + REG ASC_QDONE_INFO *scsiq; + int false_overrun; + ASC_ISR_CALLBACK asc_isr_callback; + + iop_base = asc_dvc->iop_base; + asc_isr_callback = (ASC_ISR_CALLBACK) asc_dvc->isr_callback; + n_q_used = 1; + scsiq = (ASC_QDONE_INFO *) & scsiq_buf; + done_q_tail = (uchar) AscGetVarDoneQTail(iop_base); + q_addr = ASC_QNO_TO_QADDR(done_q_tail); + next_qp = AscReadLramByte(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_FWD)); + if (next_qp != ASC_QLINK_END) { + AscPutVarDoneQTail(iop_base, next_qp); + q_addr = ASC_QNO_TO_QADDR(next_qp); + sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq, + asc_dvc->max_dma_count); + AscWriteLramByte(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS), + (uchar) (scsiq->q_status & (uchar) ~ (QS_READY | QS_ABORTED))); + tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix); + target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix); + if ((scsiq->cntl & QC_SG_HEAD) != 0) { + sg_q_addr = q_addr; + sg_list_qp = next_qp; + for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) { + sg_list_qp = AscReadLramByte(iop_base, + (ushort) (sg_q_addr + (ushort) ASC_SCSIQ_B_FWD)); + sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp); + if (sg_list_qp == ASC_QLINK_END) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_SG_Q_LINKS); + scsiq->d3.done_stat = QD_WITH_ERROR; + scsiq->d3.host_stat = QHSTA_D_QDONE_SG_LIST_CORRUPTED; + goto FATAL_ERR_QDONE; + } + AscWriteLramByte(iop_base, + (ushort) (sg_q_addr + (ushort) ASC_SCSIQ_B_STATUS), + QS_FREE); + } + n_q_used = sg_queue_cnt + 1; + AscPutVarDoneQTail(iop_base, sg_list_qp); + } + if (asc_dvc->queue_full_or_busy & target_id) { + cur_target_qng = AscReadLramByte(iop_base, + (ushort) ((ushort) ASC_QADR_BEG + (ushort) scsiq->d2.target_ix)); + if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) { + scsi_busy = AscReadLramByte(iop_base, + (ushort) ASCV_SCSIBUSY_B); + scsi_busy &= ~target_id; + AscWriteLramByte(iop_base, + (ushort) ASCV_SCSIBUSY_B, scsi_busy); + asc_dvc->queue_full_or_busy &= ~target_id; + } + } + if (asc_dvc->cur_total_qng >= n_q_used) { + asc_dvc->cur_total_qng -= n_q_used; + if (asc_dvc->cur_dvc_qng[tid_no] != 0) { + asc_dvc->cur_dvc_qng[tid_no]--; + } + } else { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG); + scsiq->d3.done_stat = QD_WITH_ERROR; + goto FATAL_ERR_QDONE; + } + if ((scsiq->d2.srb_ptr == 0UL) || + ((scsiq->q_status & QS_ABORTED) != 0)) { + return (0x11); + } else if (scsiq->q_status == QS_DONE) { + false_overrun = FALSE; + if (scsiq->extra_bytes != 0) { + scsiq->remain_bytes += (ulong) scsiq->extra_bytes; + } + if (scsiq->d3.done_stat == QD_WITH_ERROR) { + if (scsiq->d3.host_stat == QHSTA_M_DATA_OVER_RUN) { + if ((scsiq->cntl & (QC_DATA_IN | QC_DATA_OUT)) == 0) { + scsiq->d3.done_stat = QD_NO_ERROR; + scsiq->d3.host_stat = QHSTA_NO_ERROR; + } else if (false_overrun) { + scsiq->d3.done_stat = QD_NO_ERROR; + scsiq->d3.host_stat = QHSTA_NO_ERROR; + } + } else if (scsiq->d3.host_stat == + QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) { + AscStopChip(iop_base); + AscSetChipControl(iop_base, + (uchar) (CC_SCSI_RESET | CC_HALT)); + DvcDelayNanoSecond(asc_dvc, 60000); + AscSetChipControl(iop_base, CC_HALT); + AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); + AscSetChipStatus(iop_base, 0); + AscSetChipControl(iop_base, 0); + } + } + if ((scsiq->cntl & QC_NO_CALLBACK) == 0) { + (*asc_isr_callback) (asc_dvc, scsiq); + } else { + if ((AscReadLramByte(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_CDB_BEG)) == + SCSICMD_StartStopUnit)) { + asc_dvc->unit_not_ready &= ~target_id; + if (scsiq->d3.done_stat != QD_NO_ERROR) { + asc_dvc->start_motor &= ~target_id; + } + } + } + return (1); + } else { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS); + FATAL_ERR_QDONE: + if ((scsiq->cntl & QC_NO_CALLBACK) == 0) { + (*asc_isr_callback) (asc_dvc, scsiq); + } + return (0x80); + } + } + return (0); +} + +STATIC int +AscISR( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + ASC_CS_TYPE chipstat; + PortAddr iop_base; + ushort saved_ram_addr; + uchar ctrl_reg; + uchar saved_ctrl_reg; + int int_pending; + int status; + uchar host_flag; + + iop_base = asc_dvc->iop_base; + int_pending = FALSE; + if (((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) + || (asc_dvc->isr_callback == 0) +) { + return (ERR); + } + if (asc_dvc->in_critical_cnt != 0) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL); + return (ERR); + } + if (asc_dvc->is_in_int) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY); + return (ERR); + } + asc_dvc->is_in_int = TRUE; + ctrl_reg = AscGetChipControl(iop_base); + saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET | + CC_SINGLE_STEP | CC_DIAG | CC_TEST)); + chipstat = AscGetChipStatus(iop_base); + if (chipstat & CSW_SCSI_RESET_LATCH) { + if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) { + int_pending = TRUE; + asc_dvc->sdtr_done = 0; + saved_ctrl_reg &= (uchar) (~CC_HALT); + while (AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE) ; + AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT)); + AscSetChipControl(iop_base, CC_HALT); + AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); + AscSetChipStatus(iop_base, 0); + chipstat = AscGetChipStatus(iop_base); + } + } + saved_ram_addr = AscGetChipLramAddr(iop_base); + host_flag = AscReadLramByte(iop_base, + ASCV_HOST_FLAG_B) & (uchar) (~ASC_HOST_FLAG_IN_ISR); + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, + (uchar) (host_flag | (uchar) ASC_HOST_FLAG_IN_ISR)); + if ((chipstat & CSW_INT_PENDING) + || (int_pending) +) { + AscAckInterrupt(iop_base); + int_pending = TRUE; + if ((chipstat & CSW_HALTED) && + (ctrl_reg & CC_SINGLE_STEP)) { + if (AscIsrChipHalted(asc_dvc) == ERR) { + goto ISR_REPORT_QDONE_FATAL_ERROR; + } else { + saved_ctrl_reg &= (uchar) (~CC_HALT); + } + } else { + ISR_REPORT_QDONE_FATAL_ERROR: + if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) { + while (((status = AscIsrQDone(asc_dvc)) & 0x01) != 0) { + } + } else { + do { + if ((status = AscIsrQDone(asc_dvc)) == 1) { + break; + } + } while (status == 0x11); + } + if ((status & 0x80) != 0) + int_pending = ERR; + } + } + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag); + AscSetChipLramAddr(iop_base, saved_ram_addr); + AscSetChipControl(iop_base, saved_ctrl_reg); + asc_dvc->is_in_int = FALSE; + return (int_pending); +} + +STATIC uchar _asc_mcode_buf[] ASC_INITDATA = +{ + 0x01, 0x03, 0x01, 0x19, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x91, 0x10, 0x0A, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0x80, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x23, 0x00, 0x24, 0x00, 0x00, 0x00, 0x07, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE2, 0x88, 0x00, 0x00, 0x00, 0x00, + 0x80, 0x73, 0x48, 0x04, 0x36, 0x00, 0x00, 0xA2, 0xC2, 0x00, 0x80, 0x73, 0x03, 0x23, 0x36, 0x40, + 0xB6, 0x00, 0x36, 0x00, 0x05, 0xD6, 0x0C, 0xD2, 0x12, 0xDA, 0x00, 0xA2, 0xC2, 0x00, 0x92, 0x80, + 0x1E, 0x98, 0x50, 0x00, 0xF5, 0x00, 0x48, 0x98, 0xDF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, + 0x4F, 0x00, 0xF5, 0x00, 0x48, 0x98, 0xEF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x80, 0x62, + 0x92, 0x80, 0x00, 0x46, 0x17, 0xEE, 0x13, 0xEA, 0x02, 0x01, 0x09, 0xD8, 0xCD, 0x04, 0x4D, 0x00, + 0x00, 0xA3, 0xD6, 0x00, 0xA6, 0x97, 0x7F, 0x23, 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84, 0xD2, 0xC1, + 0x80, 0x73, 0xCD, 0x04, 0x4D, 0x00, 0x00, 0xA3, 0xE2, 0x01, 0xA6, 0x97, 0xCE, 0x81, 0x00, 0x33, + 0x02, 0x00, 0xC0, 0x88, 0x80, 0x73, 0x80, 0x77, 0x00, 0x01, 0x01, 0xA1, 0x02, 0x01, 0x4F, 0x00, + 0x84, 0x97, 0x07, 0xA6, 0x0C, 0x01, 0x00, 0x33, 0x03, 0x00, 0xC0, 0x88, 0x03, 0x03, 0x03, 0xDE, + 0x00, 0x33, 0x05, 0x00, 0xC0, 0x88, 0xCE, 0x00, 0x69, 0x60, 0xCE, 0x00, 0x02, 0x03, 0x4A, 0x60, + 0x00, 0xA2, 0x80, 0x01, 0x80, 0x63, 0x07, 0xA6, 0x2C, 0x01, 0x80, 0x81, 0x03, 0x03, 0x80, 0x63, + 0xE2, 0x00, 0x07, 0xA6, 0x3C, 0x01, 0x00, 0x33, 0x04, 0x00, 0xC0, 0x88, 0x03, 0x07, 0x02, 0x01, + 0x04, 0xCA, 0x0D, 0x23, 0x68, 0x98, 0x4D, 0x04, 0x04, 0x85, 0x05, 0xD8, 0x0D, 0x23, 0x68, 0x98, + 0xCD, 0x04, 0x15, 0x23, 0xF6, 0x88, 0xFB, 0x23, 0x02, 0x61, 0x82, 0x01, 0x80, 0x63, 0x02, 0x03, + 0x06, 0xA3, 0x6A, 0x01, 0x00, 0x33, 0x0A, 0x00, 0xC0, 0x88, 0x4E, 0x00, 0x07, 0xA3, 0x76, 0x01, + 0x00, 0x33, 0x0B, 0x00, 0xC0, 0x88, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33, 0x1A, 0x00, 0xC0, 0x88, + 0x50, 0x04, 0x90, 0x81, 0x06, 0xAB, 0x8A, 0x01, 0x90, 0x81, 0x4E, 0x00, 0x07, 0xA3, 0x9A, 0x01, + 0x50, 0x00, 0x00, 0xA3, 0x44, 0x01, 0x00, 0x05, 0x84, 0x81, 0x46, 0x97, 0x02, 0x01, 0x05, 0xC6, + 0x04, 0x23, 0xA0, 0x01, 0x15, 0x23, 0xA1, 0x01, 0xC6, 0x81, 0xFD, 0x23, 0x02, 0x61, 0x82, 0x01, + 0x0A, 0xDA, 0x4A, 0x00, 0x06, 0x61, 0x00, 0xA0, 0xBC, 0x01, 0x80, 0x63, 0xCD, 0x04, 0x36, 0x2D, + 0x00, 0x33, 0x1B, 0x00, 0xC0, 0x88, 0x06, 0x23, 0x68, 0x98, 0xCD, 0x04, 0xE6, 0x84, 0x06, 0x01, + 0x00, 0xA2, 0xDC, 0x01, 0x57, 0x60, 0x00, 0xA0, 0xE2, 0x01, 0xE6, 0x84, 0x80, 0x23, 0xA0, 0x01, + 0xE6, 0x84, 0x80, 0x73, 0x4B, 0x00, 0x06, 0x61, 0x00, 0xA2, 0x08, 0x02, 0x04, 0x01, 0x0C, 0xDE, + 0x02, 0x01, 0x03, 0xCC, 0x4F, 0x00, 0x84, 0x97, 0x04, 0x82, 0x08, 0x23, 0x02, 0x41, 0x82, 0x01, + 0x4F, 0x00, 0x62, 0x97, 0x48, 0x04, 0x84, 0x80, 0xF0, 0x97, 0x00, 0x46, 0x56, 0x00, 0x03, 0xC0, + 0x01, 0x23, 0xE8, 0x00, 0x81, 0x73, 0x06, 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0x88, 0x80, 0x67, 0x83, 0x03, 0x80, 0x63, 0x00, 0x63, 0x38, 0x2B, + 0x9C, 0x88, 0x38, 0x2B, 0x92, 0x88, 0x32, 0x09, 0x31, 0x05, 0x92, 0x98, 0x05, 0x05, 0xB2, 0x09, + 0x00, 0x63, 0x00, 0x32, 0x00, 0x36, 0x00, 0x3A, 0x00, 0x3E, 0x00, 0x63, 0x80, 0x32, 0x80, 0x36, + 0x80, 0x3A, 0x80, 0x3E, 0x00, 0x63, 0x38, 0x2B, 0x40, 0x32, 0x40, 0x36, 0x40, 0x3A, 0x40, 0x3E, + 0x00, 0x63, 0x5A, 0x20, 0xC9, 0x40, 0x00, 0xA0, 0xB2, 0x08, 0x5D, 0x00, 0xFE, 0xC3, 0x00, 0x63, + 0x80, 0x73, 0xE6, 0x20, 0x02, 0x23, 0xE8, 0x00, 0x82, 0x73, 0xFF, 0xFD, 0x80, 0x73, 0x13, 0x23, + 0xF6, 0x88, 0x66, 0x20, 0xC0, 0x20, 0x04, 0x23, 0xA0, 0x01, 0xA1, 0x23, 0xA1, 0x01, 0x81, 0x62, + 0xE0, 0x88, 0x80, 0x73, 0x80, 0x77, 0x68, 0x00, 0x00, 0xA2, 0x80, 0x00, 0x03, 0xC2, 0xF1, 0xC7, + 0x41, 0x23, 0xF6, 0x88, 0x11, 0x23, 0xA1, 0x01, 0x04, 0x23, 0xA0, 0x01, 0xE6, 0x84, +}; + +STATIC ushort _asc_mcode_size ASC_INITDATA = sizeof(_asc_mcode_buf); +STATIC ulong _asc_mcode_chksum ASC_INITDATA = 0x012B5442UL; + +#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16 +STATIC uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = +{ + SCSICMD_Inquiry, + SCSICMD_RequestSense, + SCSICMD_ReadCapacity, + SCSICMD_ReadTOC, + SCSICMD_ModeSelect6, + SCSICMD_ModeSense6, + SCSICMD_ModeSelect10, + SCSICMD_ModeSense10, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF, + 0xFF +}; + +STATIC int +AscExeScsiQueue( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + REG ASC_SCSI_Q * scsiq +) +{ + PortAddr iop_base; + int last_int_level; + int sta; + int n_q_required; + int disable_syn_offset_one_fix; + int i; + ulong addr; + ASC_EXE_CALLBACK asc_exe_callback; + ushort sg_entry_cnt = 0; + ushort sg_entry_cnt_minus_one = 0; + uchar target_ix; + uchar tid_no; + uchar sdtr_data; + uchar extra_bytes; + uchar scsi_cmd; + uchar disable_cmd; + ASC_SG_HEAD *sg_head; + ulong data_cnt; + + iop_base = asc_dvc->iop_base; + sg_head = scsiq->sg_head; + asc_exe_callback = (ASC_EXE_CALLBACK) asc_dvc->exe_callback; + if (asc_dvc->err_code != 0) + return (ERR); + if (scsiq == (ASC_SCSI_Q *) 0L) { + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_SCSIQ_NULL_PTR); + return (ERR); + } + scsiq->q1.q_no = 0; + if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) { + scsiq->q1.extra_bytes = 0; + } + sta = 0; + target_ix = scsiq->q2.target_ix; + tid_no = ASC_TIX_TO_TID(target_ix); + n_q_required = 1; + if (scsiq->cdbptr[0] == SCSICMD_RequestSense) { + if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) { + asc_dvc->sdtr_done &= ~scsiq->q1.target_id ; + sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); + AscMsgOutSDTR(asc_dvc, + asc_dvc->sdtr_period_tbl[(sdtr_data >> 4) & + (uchar) (asc_dvc->max_sdtr_index - 1)], + (uchar) (sdtr_data & (uchar) ASC_SYN_MAX_OFFSET)); + scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT); + } + } + last_int_level = DvcEnterCritical(); + if (asc_dvc->in_critical_cnt != 0) { + DvcLeaveCritical(last_int_level); + AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY); + return (ERR); + } + asc_dvc->in_critical_cnt++; + if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) { + if ((sg_entry_cnt = sg_head->entry_cnt) == 0) { + asc_dvc->in_critical_cnt--; + DvcLeaveCritical(last_int_level); + return (ERR); + } + if (sg_entry_cnt > ASC_MAX_SG_LIST) { + return (ERR); + } + if (sg_entry_cnt == 1) { + scsiq->q1.data_addr = sg_head->sg_list[0].addr; + scsiq->q1.data_cnt = sg_head->sg_list[0].bytes; + scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE); + } + sg_entry_cnt_minus_one = sg_entry_cnt - 1; + } + scsi_cmd = scsiq->cdbptr[0]; + disable_syn_offset_one_fix = FALSE; + if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) && + !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) { + if (scsiq->q1.cntl & QC_SG_HEAD) { + data_cnt = 0; + for (i = 0; i < sg_entry_cnt; i++) { + data_cnt += sg_head->sg_list[i].bytes; + } + } else { + data_cnt = scsiq->q1.data_cnt; + } + if (data_cnt != 0UL) { + if (data_cnt < 512UL) { + disable_syn_offset_one_fix = TRUE; + } else { + for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST; i++) { + disable_cmd = _syn_offset_one_disable_cmd[i]; + if (disable_cmd == 0xFF) { + break; + } + if (scsi_cmd == disable_cmd) { + disable_syn_offset_one_fix = TRUE; + break; + } + } + } + } + } + if (disable_syn_offset_one_fix) { + scsiq->q2.tag_code &= ~M2_QTAG_MSG_SIMPLE; + scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX | + ASC_TAG_FLAG_DISABLE_DISCONNECT); + } else { + scsiq->q2.tag_code &= 0x23; + } + if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) { + if (asc_dvc->bug_fix_cntl) { + if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { + if ((scsi_cmd == SCSICMD_Read6) || + (scsi_cmd == SCSICMD_Read10)) { + addr = sg_head->sg_list[sg_entry_cnt_minus_one].addr + + sg_head->sg_list[sg_entry_cnt_minus_one].bytes; + extra_bytes = (uchar) ((ushort) addr & 0x0003); + if ((extra_bytes != 0) && + ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) + == 0)) { + scsiq->q2.tag_code |= ASC_TAG_FLAG_EXTRA_BYTES; + scsiq->q1.extra_bytes = extra_bytes; + sg_head->sg_list[sg_entry_cnt_minus_one].bytes -= + (ulong) extra_bytes; + } + } + } + } + sg_head->entry_to_copy = sg_head->entry_cnt; + n_q_required = AscSgListToQueue(sg_entry_cnt); + if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >= + (uint) n_q_required) || ((scsiq->q1.cntl & QC_URGENT) != 0)) { + if ((sta = AscSendScsiQueue(asc_dvc, scsiq, + n_q_required)) == 1) { + asc_dvc->in_critical_cnt--; + if (asc_exe_callback != 0) { + (*asc_exe_callback) (asc_dvc, scsiq); + } + DvcLeaveCritical(last_int_level); + return (sta); + } + } + } else { + if (asc_dvc->bug_fix_cntl) { + if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { + if ((scsi_cmd == SCSICMD_Read6) || + (scsi_cmd == SCSICMD_Read10)) { + addr = scsiq->q1.data_addr + scsiq->q1.data_cnt; + extra_bytes = (uchar) ((ushort) addr & 0x0003); + if ((extra_bytes != 0) && + ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) + == 0)) { + if (((ushort) scsiq->q1.data_cnt & 0x01FF) == 0) { + scsiq->q2.tag_code |= ASC_TAG_FLAG_EXTRA_BYTES; + scsiq->q1.data_cnt -= (ulong) extra_bytes; + scsiq->q1.extra_bytes = extra_bytes; + } + } + } + } + } + n_q_required = 1; + if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) || + ((scsiq->q1.cntl & QC_URGENT) != 0)) { + if ((sta = AscSendScsiQueue(asc_dvc, scsiq, + n_q_required)) == 1) { + asc_dvc->in_critical_cnt--; + if (asc_exe_callback != 0) { + (*asc_exe_callback) (asc_dvc, scsiq); + } + DvcLeaveCritical(last_int_level); + return (sta); + } + } + } + asc_dvc->in_critical_cnt--; + DvcLeaveCritical(last_int_level); + return (sta); +} + +STATIC int +AscSendScsiQueue( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + REG ASC_SCSI_Q * scsiq, + uchar n_q_required +) +{ + PortAddr iop_base; + uchar free_q_head; + uchar next_qp; + uchar tid_no; + uchar target_ix; + int sta; + + iop_base = asc_dvc->iop_base; + target_ix = scsiq->q2.target_ix; + tid_no = ASC_TIX_TO_TID(target_ix); + sta = 0; + free_q_head = (uchar) AscGetVarFreeQHead(iop_base); + if (n_q_required > 1) { + if ((next_qp = AscAllocMultipleFreeQueue(iop_base, + free_q_head, (uchar) (n_q_required))) + != (uchar) ASC_QLINK_END) { + asc_dvc->last_q_shortage = 0; + scsiq->sg_head->queue_cnt = n_q_required - 1; + scsiq->q1.q_no = free_q_head; + if ((sta = AscPutReadySgListQueue(asc_dvc, scsiq, + free_q_head)) == 1) { + AscPutVarFreeQHead(iop_base, next_qp); + asc_dvc->cur_total_qng += (uchar) (n_q_required); + asc_dvc->cur_dvc_qng[tid_no]++; + } + return (sta); + } + } else if (n_q_required == 1) { + if ((next_qp = AscAllocFreeQueue(iop_base, + free_q_head)) != ASC_QLINK_END) { + scsiq->q1.q_no = free_q_head; + if ((sta = AscPutReadyQueue(asc_dvc, scsiq, + free_q_head)) == 1) { + AscPutVarFreeQHead(iop_base, next_qp); + asc_dvc->cur_total_qng++; + asc_dvc->cur_dvc_qng[tid_no]++; + } + return (sta); + } + } + return (sta); +} + +STATIC int +AscSgListToQueue( + int sg_list +) +{ + int n_sg_list_qs; + + n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q); + if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0) + n_sg_list_qs++; + return (n_sg_list_qs + 1); +} + + +STATIC uint +AscGetNumOfFreeQueue( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar target_ix, + uchar n_qs +) +{ + uint cur_used_qs; + uint cur_free_qs; + ASC_SCSI_BIT_ID_TYPE target_id; + uchar tid_no; + + target_id = ASC_TIX_TO_TARGET_ID(target_ix); + tid_no = ASC_TIX_TO_TID(target_ix); + if ((asc_dvc->unit_not_ready & target_id) || + (asc_dvc->queue_full_or_busy & target_id)) { + return (0); + } + if (n_qs == 1) { + cur_used_qs = (uint) asc_dvc->cur_total_qng + + (uint) asc_dvc->last_q_shortage + + (uint) ASC_MIN_FREE_Q; + } else { + cur_used_qs = (uint) asc_dvc->cur_total_qng + + (uint) ASC_MIN_FREE_Q; + } + if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) { + cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs; + if (asc_dvc->cur_dvc_qng[tid_no] >= + asc_dvc->max_dvc_qng[tid_no]) { + return (0); + } + return (cur_free_qs); + } + if (n_qs > 1) { + if ((n_qs > asc_dvc->last_q_shortage) && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) { + asc_dvc->last_q_shortage = n_qs; + } + } + return (0); +} + +STATIC int +AscPutReadyQueue( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + REG ASC_SCSI_Q * scsiq, + uchar q_no +) +{ + ushort q_addr; + uchar tid_no; + uchar sdtr_data; + uchar syn_period_ix; + uchar syn_offset; + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) && + ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) { + tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix); + sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no); + syn_period_ix = (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1); + syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET; + AscMsgOutSDTR(asc_dvc, + asc_dvc->sdtr_period_tbl[syn_period_ix], + syn_offset); + scsiq->q1.cntl |= QC_MSG_OUT; + } + q_addr = ASC_QNO_TO_QADDR(q_no); + if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) { + scsiq->q2.tag_code &= ~M2_QTAG_MSG_SIMPLE; + } + scsiq->q1.status = QS_FREE; + AscMemWordCopyToLram(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_CDB_BEG), + (ushort *) scsiq->cdbptr, + (ushort) ((ushort) scsiq->q2.cdb_len >> 1)); + DvcPutScsiQ(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_CPY_BEG), + (ushort *) & scsiq->q1.cntl, + (ushort) ((((sizeof (ASC_SCSIQ_1) + sizeof (ASC_SCSIQ_2)) / 2) - 1))); + AscWriteLramWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS), + (ushort) (((ushort) scsiq->q1.q_no << 8) | (ushort) QS_READY)); + return (1); +} + +STATIC int +AscPutReadySgListQueue( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + REG ASC_SCSI_Q * scsiq, + uchar q_no +) +{ + int sta; + int i; + ASC_SG_HEAD *sg_head; + ASC_SG_LIST_Q scsi_sg_q; + ulong saved_data_addr; + ulong saved_data_cnt; + PortAddr iop_base; + ushort sg_list_dwords; + ushort sg_index; + ushort sg_entry_cnt; + ushort q_addr; + uchar next_qp; + + iop_base = asc_dvc->iop_base; + sg_head = scsiq->sg_head; + saved_data_addr = scsiq->q1.data_addr; + saved_data_cnt = scsiq->q1.data_cnt; + scsiq->q1.data_addr = sg_head->sg_list[0].addr; + scsiq->q1.data_cnt = sg_head->sg_list[0].bytes; + sg_entry_cnt = sg_head->entry_cnt - 1; + if (sg_entry_cnt != 0) { + scsiq->q1.cntl |= QC_SG_HEAD; + q_addr = ASC_QNO_TO_QADDR(q_no); + sg_index = 1; + scsiq->q1.sg_queue_cnt = sg_head->queue_cnt; + scsi_sg_q.sg_head_qp = q_no; + scsi_sg_q.cntl = QCSG_SG_XFER_LIST; + for (i = 0; i < sg_head->queue_cnt; i++) { + scsi_sg_q.seq_no = i + 1; + if (sg_entry_cnt > ASC_SG_LIST_PER_Q) { + sg_list_dwords = (uchar) (ASC_SG_LIST_PER_Q * 2); + sg_entry_cnt -= ASC_SG_LIST_PER_Q; + if (i == 0) { + scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q; + scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q; + } else { + scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1; + scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q - 1; + } + } else { + scsi_sg_q.cntl |= QCSG_SG_XFER_END; + sg_list_dwords = sg_entry_cnt << 1; + if (i == 0) { + scsi_sg_q.sg_list_cnt = sg_entry_cnt; + scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt; + } else { + scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1; + scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1; + } + sg_entry_cnt = 0; + } + next_qp = AscReadLramByte(iop_base, + (ushort) (q_addr + ASC_SCSIQ_B_FWD)); + scsi_sg_q.q_no = next_qp; + q_addr = ASC_QNO_TO_QADDR(next_qp); + AscMemWordCopyToLram(iop_base, + (ushort) (q_addr + ASC_SCSIQ_SGHD_CPY_BEG), + (ushort *) & scsi_sg_q, + (ushort) (sizeof (ASC_SG_LIST_Q) >> 1)); + AscMemDWordCopyToLram(iop_base, + (ushort) (q_addr + ASC_SGQ_LIST_BEG), + (ulong *) & sg_head->sg_list[sg_index], + (ushort) sg_list_dwords); + sg_index += ASC_SG_LIST_PER_Q; + } + } else { + scsiq->q1.cntl &= ~QC_SG_HEAD; + } + sta = AscPutReadyQueue(asc_dvc, scsiq, q_no); + scsiq->q1.data_addr = saved_data_addr; + scsiq->q1.data_cnt = saved_data_cnt; + return (sta); +} + +STATIC int +AscAbortSRB( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + ulong srb_ptr +) +{ + int sta; + ASC_SCSI_BIT_ID_TYPE saved_unit_not_ready; + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + sta = ERR; + saved_unit_not_ready = asc_dvc->unit_not_ready; + asc_dvc->unit_not_ready = 0xFF; + AscWaitISRDone(asc_dvc); + if (AscStopQueueExe(iop_base) == 1) { + if (AscRiscHaltedAbortSRB(asc_dvc, srb_ptr) == 1) { + sta = 1; + AscCleanUpBusyQueue(iop_base); + AscStartQueueExe(iop_base); + } else { + sta = 0; + AscStartQueueExe(iop_base); + } + } + asc_dvc->unit_not_ready = saved_unit_not_ready; + return (sta); +} + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int +AscResetDevice( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar target_ix +) +{ + PortAddr iop_base; + int sta; + uchar tid_no; + + ASC_SCSI_BIT_ID_TYPE target_id; + int i; + ASC_SCSI_REQ_Q scsiq_buf; + ASC_SCSI_REQ_Q *scsiq; + uchar *buf; + ASC_SCSI_BIT_ID_TYPE saved_unit_not_ready; + iop_base = asc_dvc->iop_base; + tid_no = ASC_TIX_TO_TID(target_ix); + target_id = ASC_TID_TO_TARGET_ID(tid_no); + saved_unit_not_ready = asc_dvc->unit_not_ready; + asc_dvc->unit_not_ready = target_id; + sta = ERR; + AscWaitTixISRDone(asc_dvc, target_ix); + if (AscStopQueueExe(iop_base) == 1) { + if (AscRiscHaltedAbortTIX(asc_dvc, target_ix) == 1) { + AscCleanUpBusyQueue(iop_base); + AscStartQueueExe(iop_base); + AscWaitTixISRDone(asc_dvc, target_ix); + sta = TRUE; + scsiq = (ASC_SCSI_REQ_Q *) & scsiq_buf; + buf = (uchar *) & scsiq_buf; + for (i = 0; i < sizeof (ASC_SCSI_REQ_Q); i++) { + *buf++ = 0x00; + } + scsiq->r1.status = (uchar) QS_READY; + scsiq->r2.cdb_len = 6; + scsiq->r2.tag_code = M2_QTAG_MSG_SIMPLE; + scsiq->r1.target_id = target_id; + scsiq->r2.target_ix = ASC_TIDLUN_TO_IX(tid_no, 0); + scsiq->cdbptr = (uchar *) scsiq->cdb; + scsiq->r1.cntl = QC_NO_CALLBACK | QC_MSG_OUT | QC_URGENT; + AscWriteLramByte(asc_dvc->iop_base, ASCV_MSGOUT_BEG, + M1_BUS_DVC_RESET); + asc_dvc->unit_not_ready &= ~target_id; + asc_dvc->sdtr_done |= target_id; + if (AscExeScsiQueue(asc_dvc, (ASC_SCSI_Q *) scsiq) + == 1) { + asc_dvc->unit_not_ready = target_id; + DvcSleepMilliSecond(1000); + _AscWaitQDone(iop_base, (ASC_SCSI_Q *) scsiq); + if (AscStopQueueExe(iop_base) == 1) { + AscCleanUpDiscQueue(iop_base); + AscStartQueueExe(iop_base); + if (asc_dvc->pci_fix_asyn_xfer & target_id) { + AscSetRunChipSynRegAtID(iop_base, tid_no, + ASYN_SDTR_DATA_FIX_PCI_REV_AB); + } + AscWaitTixISRDone(asc_dvc, target_ix); + } + } else { + sta = 0; + } + asc_dvc->sdtr_done &= ~target_id; + } else { + sta = ERR; + AscStartQueueExe(iop_base); + } + } + asc_dvc->unit_not_ready = saved_unit_not_ready; + return (sta); +} +#endif /* version >= v1.3.89 */ + +STATIC int +AscResetSB( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + int sta; + int i; + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + asc_dvc->unit_not_ready = 0xFF; + sta = TRUE; + AscWaitISRDone(asc_dvc); + AscStopQueueExe(iop_base); + asc_dvc->sdtr_done = 0; + AscResetChipAndScsiBus(asc_dvc); + DvcSleepMilliSecond((ulong) ((ushort) asc_dvc->scsi_reset_wait * 1000)); + AscReInitLram(asc_dvc); + for (i = 0; i <= ASC_MAX_TID; i++) { + asc_dvc->cur_dvc_qng[i] = 0; + if (asc_dvc->pci_fix_asyn_xfer & (ASC_SCSI_BIT_ID_TYPE) (0x01 << i)) { + AscSetChipSynRegAtID(iop_base, i, ASYN_SDTR_DATA_FIX_PCI_REV_AB); + } + } + asc_dvc->err_code = 0; + AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); + if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { + sta = ERR; + } + if (AscStartChip(iop_base) == 0) { + sta = ERR; + } + AscStartQueueExe(iop_base); + asc_dvc->unit_not_ready = 0; + asc_dvc->queue_full_or_busy = 0; + return (sta); +} + +STATIC int +AscSetRunChipSynRegAtID( + PortAddr iop_base, + uchar tid_no, + uchar sdtr_data +) +{ + int sta = FALSE; + + if (AscHostReqRiscHalt(iop_base)) { + sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data); + AscStartChip(iop_base); + return (sta); + } + return (sta); +} + +STATIC int +AscSetChipSynRegAtID( + PortAddr iop_base, + uchar id, + uchar sdtr_data +) +{ + ASC_SCSI_BIT_ID_TYPE org_id; + int i; + int sta = TRUE; + + AscSetBank(iop_base, 1); + org_id = AscReadChipDvcID(iop_base); + for (i = 0; i <= ASC_MAX_TID; i++) { + if (org_id == (0x01 << i)) + break; + } + org_id = i; + AscWriteChipDvcID(iop_base, id); + if (AscReadChipDvcID(iop_base) == (0x01 << id)) { + AscSetBank(iop_base, 0); + AscSetChipSyn(iop_base, sdtr_data); + if (AscGetChipSyn(iop_base) != sdtr_data) { + sta = FALSE; + } + } else { + sta = FALSE; + } + AscSetBank(iop_base, 1); + AscWriteChipDvcID(iop_base, org_id); + AscSetBank(iop_base, 0); + return (sta); +} + +STATIC int +AscReInitLram( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + AscInitLram(asc_dvc); + AscInitQLinkVar(asc_dvc); + return (0); +} + +STATIC ushort +AscInitLram( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + uchar i; + ushort s_addr; + PortAddr iop_base; + ushort warn_code; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0, + (ushort) (((int) (asc_dvc->max_total_qng + 2 + 1) * 64) >> 1) +); + i = ASC_MIN_ACTIVE_QNO; + s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE; + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_FWD), + (uchar) (i + 1)); + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_BWD), + (uchar) (asc_dvc->max_total_qng)); + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_QNO), + (uchar) i); + i++; + s_addr += ASC_QBLK_SIZE; + for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) { + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_FWD), + (uchar) (i + 1)); + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_BWD), + (uchar) (i - 1)); + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_QNO), + (uchar) i); + } + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_FWD), + (uchar) ASC_QLINK_END); + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_BWD), + (uchar) (asc_dvc->max_total_qng - 1)); + AscWriteLramByte(iop_base, (ushort) (s_addr + ASC_SCSIQ_B_QNO), + (uchar) asc_dvc->max_total_qng); + i++; + s_addr += ASC_QBLK_SIZE; + for (; i <= (uchar) (asc_dvc->max_total_qng + 3); + i++, s_addr += ASC_QBLK_SIZE) { + AscWriteLramByte(iop_base, + (ushort) (s_addr + (ushort) ASC_SCSIQ_B_FWD), i); + AscWriteLramByte(iop_base, + (ushort) (s_addr + (ushort) ASC_SCSIQ_B_BWD), i); + AscWriteLramByte(iop_base, + (ushort) (s_addr + (ushort) ASC_SCSIQ_B_QNO), i); + } + return (warn_code); +} + +STATIC ushort +AscInitQLinkVar( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + PortAddr iop_base; + int i; + ushort lram_addr; + + iop_base = asc_dvc->iop_base; + AscPutRiscVarFreeQHead(iop_base, 1); + AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng); + AscPutVarFreeQHead(iop_base, 1); + AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng); + AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B, + (uchar) ((int) asc_dvc->max_total_qng + 1)); + AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B, + (uchar) ((int) asc_dvc->max_total_qng + 2)); + AscWriteLramByte(iop_base, (ushort) ASCV_TOTAL_READY_Q_B, + asc_dvc->max_total_qng); + AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0); + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0); + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0); + AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0); + AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0); + AscPutQDoneInProgress(iop_base, 0); + lram_addr = ASC_QADR_BEG; + for (i = 0; i < 32; i++, lram_addr += 2) { + AscWriteLramWord(iop_base, lram_addr, 0); + } + return (0); +} + +STATIC int +AscSetLibErrorCode( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + ushort err_code +) +{ + if (asc_dvc->err_code == 0) { + asc_dvc->err_code = err_code; + AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W, + err_code); + } + return (err_code); +} + + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int +_AscWaitQDone( + PortAddr iop_base, + REG ASC_SCSI_Q * scsiq +) +{ + ushort q_addr; + uchar q_status; + int count = 0; + + while (scsiq->q1.q_no == 0) ; + q_addr = ASC_QNO_TO_QADDR(scsiq->q1.q_no); + do { + q_status = AscReadLramByte(iop_base, q_addr + ASC_SCSIQ_B_STATUS); + DvcSleepMilliSecond(100L); + if (count++ > 30) { + return (0); + } + } while ((q_status & QS_READY) != 0); + return (1); +} +#endif /* version >= v1.3.89 */ + +STATIC uchar +AscMsgOutSDTR( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar sdtr_period, + uchar sdtr_offset +) +{ + EXT_MSG sdtr_buf; + uchar sdtr_period_index; + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + sdtr_buf.msg_type = MS_EXTEND; + sdtr_buf.msg_len = MS_SDTR_LEN; + sdtr_buf.msg_req = MS_SDTR_CODE; + sdtr_buf.xfer_period = sdtr_period; + sdtr_offset &= ASC_SYN_MAX_OFFSET; + sdtr_buf.req_ack_offset = sdtr_offset; + if ((sdtr_period_index = + AscGetSynPeriodIndex(asc_dvc, sdtr_period)) <= + asc_dvc->max_sdtr_index) { + AscMemWordCopyToLram(iop_base, + ASCV_MSGOUT_BEG, + (ushort *) & sdtr_buf, + (ushort) (sizeof (EXT_MSG) >> 1)); + return ((sdtr_period_index << 4) | sdtr_offset); + } else { + + sdtr_buf.req_ack_offset = 0; + AscMemWordCopyToLram(iop_base, + ASCV_MSGOUT_BEG, + (ushort *) & sdtr_buf, + (ushort) (sizeof (EXT_MSG) >> 1)); + return (0); + } +} + +STATIC uchar +AscCalSDTRData( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar sdtr_period, + uchar syn_offset +) +{ + uchar byte; + uchar sdtr_period_ix; + + sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period); + if ( + (sdtr_period_ix > asc_dvc->max_sdtr_index) +) { + return (0xFF); + } + byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET); + return (byte); +} + +STATIC void +AscSetChipSDTR( + PortAddr iop_base, + uchar sdtr_data, + uchar tid_no +) +{ + AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data); + AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data); + return; +} + +STATIC uchar +AscGetSynPeriodIndex( + ASC_DVC_VAR asc_ptr_type * asc_dvc, + ruchar syn_time +) +{ + ruchar *period_table; + int max_index; + int min_index; + int i; + + period_table = asc_dvc->sdtr_period_tbl; + max_index = (int) asc_dvc->max_sdtr_index; + min_index = (int)asc_dvc->host_init_sdtr_index ; + if ((syn_time <= period_table[max_index])) { + for (i = min_index; i < (max_index - 1); i++) { + if (syn_time <= period_table[i]) { + return ((uchar) i); + } + } + return ((uchar) max_index); + } else { + return ((uchar) (max_index + 1)); + } +} + +STATIC uchar +AscAllocFreeQueue( + PortAddr iop_base, + uchar free_q_head +) +{ + ushort q_addr; + uchar next_qp; + uchar q_status; + + q_addr = ASC_QNO_TO_QADDR(free_q_head); + q_status = (uchar) AscReadLramByte(iop_base, + (ushort) (q_addr + ASC_SCSIQ_B_STATUS)); + next_qp = AscReadLramByte(iop_base, + (ushort) (q_addr + ASC_SCSIQ_B_FWD)); + if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END)) { + return (next_qp); + } + return (ASC_QLINK_END); +} + +STATIC uchar +AscAllocMultipleFreeQueue( + PortAddr iop_base, + uchar free_q_head, + uchar n_free_q +) +{ + uchar i; + + for (i = 0; i < n_free_q; i++) { + if ((free_q_head = AscAllocFreeQueue(iop_base, free_q_head)) + == ASC_QLINK_END) { + return (ASC_QLINK_END); + } + } + return (free_q_head); +} + +STATIC int +AscRiscHaltedAbortSRB( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + ulong srb_ptr +) +{ + PortAddr iop_base; + ushort q_addr; + uchar q_no; + ASC_QDONE_INFO scsiq_buf; + ASC_QDONE_INFO *scsiq; + ASC_ISR_CALLBACK asc_isr_callback; + int last_int_level; + + iop_base = asc_dvc->iop_base; + asc_isr_callback = (ASC_ISR_CALLBACK) asc_dvc->isr_callback; + last_int_level = DvcEnterCritical(); + scsiq = (ASC_QDONE_INFO *) & scsiq_buf; + for (q_no = ASC_MIN_ACTIVE_QNO; q_no <= asc_dvc->max_total_qng; + q_no++) { + q_addr = ASC_QNO_TO_QADDR(q_no); + scsiq->d2.srb_ptr = AscReadLramDWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_D_SRBPTR)); + if (scsiq->d2.srb_ptr == srb_ptr) { + _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq, asc_dvc->max_dma_count); + if (((scsiq->q_status & QS_READY) != 0) + && ((scsiq->q_status & QS_ABORTED) == 0) + && ((scsiq->cntl & QCSG_SG_XFER_LIST) == 0)) { + scsiq->q_status |= QS_ABORTED; + scsiq->d3.done_stat = QD_ABORTED_BY_HOST; + AscWriteLramDWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_D_SRBPTR), + 0L); + AscWriteLramByte(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS), + scsiq->q_status); + (*asc_isr_callback) (asc_dvc, scsiq); + return (1); + } + } + } + DvcLeaveCritical(last_int_level); + return (0); +} + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int +AscRiscHaltedAbortTIX( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar target_ix +) +{ + PortAddr iop_base; + ushort q_addr; + uchar q_no; + ASC_QDONE_INFO scsiq_buf; + ASC_QDONE_INFO *scsiq; + ASC_ISR_CALLBACK asc_isr_callback; + int last_int_level; + + iop_base = asc_dvc->iop_base; + asc_isr_callback = (ASC_ISR_CALLBACK) asc_dvc->isr_callback; + last_int_level = DvcEnterCritical(); + scsiq = (ASC_QDONE_INFO *) & scsiq_buf; + for (q_no = ASC_MIN_ACTIVE_QNO; q_no <= asc_dvc->max_total_qng; + q_no++) { + q_addr = ASC_QNO_TO_QADDR(q_no); + _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq, asc_dvc->max_dma_count); + if (((scsiq->q_status & QS_READY) != 0) && + ((scsiq->q_status & QS_ABORTED) == 0) && + ((scsiq->cntl & QCSG_SG_XFER_LIST) == 0)) { + if (scsiq->d2.target_ix == target_ix) { + scsiq->q_status |= QS_ABORTED; + scsiq->d3.done_stat = QD_ABORTED_BY_HOST; + AscWriteLramDWord(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_D_SRBPTR), + 0L); + AscWriteLramByte(iop_base, + (ushort) (q_addr + (ushort) ASC_SCSIQ_B_STATUS), + scsiq->q_status); + (*asc_isr_callback) (asc_dvc, scsiq); + } + } + } + DvcLeaveCritical(last_int_level); + return (1); +} +#endif /* version >= v1.3.89 */ + +STATIC int +AscHostReqRiscHalt( + PortAddr iop_base +) +{ + int count = 0; + int sta = 0; + uchar saved_stop_code; + + if (AscIsChipHalted(iop_base)) + return (1); + saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B); + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, + ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP +); + do { + if (AscIsChipHalted(iop_base)) { + sta = 1; + break; + } + DvcSleepMilliSecond(100); + } while (count++ < 20); + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code); + return (sta); +} + +STATIC int +AscStopQueueExe( + PortAddr iop_base +) +{ + int count = 0; + + if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) { + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, + ASC_STOP_REQ_RISC_STOP); + do { + if ( + AscReadLramByte(iop_base, ASCV_STOP_CODE_B) & + ASC_STOP_ACK_RISC_STOP) { + return (1); + } + DvcSleepMilliSecond(100); + } while (count++ < 20); + } + return (0); +} + +STATIC int +AscStartQueueExe( + PortAddr iop_base +) +{ + if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) != 0) { + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0); + } + return (1); +} + +STATIC int +AscCleanUpBusyQueue( + PortAddr iop_base +) +{ + int count; + uchar stop_code; + + count = 0; + if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) != 0) { + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, + ASC_STOP_CLEAN_UP_BUSY_Q); + do { + stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B); + if ((stop_code & ASC_STOP_CLEAN_UP_BUSY_Q) == 0) + break; + DvcSleepMilliSecond(100); + } while (count++ < 20); + } + return (1); +} + +#if LINUX_VERSION_CODE >= ASC_LINUX_VERSION(1,3,89) +STATIC int +AscCleanUpDiscQueue( + PortAddr iop_base +) +{ + int count; + uchar stop_code; + + count = 0; + if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) != 0) { + AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, + ASC_STOP_CLEAN_UP_DISC_Q); + do { + stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B); + if ((stop_code & ASC_STOP_CLEAN_UP_DISC_Q) == 0) + break; + DvcSleepMilliSecond(100); + } while (count++ < 20); + } + return (1); +} +#endif /* version >= v1.3.89 */ + +STATIC int +AscWaitTixISRDone( + ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar target_ix +) +{ + uchar cur_req; + uchar tid_no; + int i = 0; + + tid_no = ASC_TIX_TO_TID(target_ix); + while (i++ < 10) { + if ((cur_req = asc_dvc->cur_dvc_qng[tid_no]) == 0) { + break; + } + DvcSleepMilliSecond(1000L); + if (asc_dvc->cur_dvc_qng[tid_no] == cur_req) { + break; + } + } + return (1); +} + +STATIC int +AscWaitISRDone( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc +) +{ + int tid; + + for (tid = 0; tid <= ASC_MAX_TID; tid++) { + AscWaitTixISRDone(asc_dvc, ASC_TID_TO_TIX(tid)); + } + return (1); +} + +STATIC ulong +AscGetOnePhyAddr( + REG ASC_DVC_VAR asc_ptr_type * asc_dvc, + uchar * buf_addr, + ulong buf_size +) +{ + ASC_MIN_SG_HEAD sg_head; + + sg_head.entry_cnt = ASC_MIN_SG_LIST; + if (DvcGetSGList(asc_dvc, (uchar *) buf_addr, + buf_size, (ASC_SG_HEAD *) & sg_head) != buf_size) { + return (0L); + } + if (sg_head.entry_cnt > 1) { + return (0L); + } + return (sg_head.sg_list[0].addr); +} + +STATIC void +DvcDelayMicroSecond(ADV_DVC_VAR *asc_dvc, ushort micro_sec) +{ + udelay(micro_sec); +} + +STATIC void +DvcDelayNanoSecond(ASC_DVC_VAR asc_ptr_type * asc_dvc, ulong nano_sec) +{ + udelay((nano_sec + 999)/1000); +} + +ASC_INITFUNC( +STATIC ulong +AscGetEisaProductID( + PortAddr iop_base +) +) +{ + PortAddr eisa_iop; + ushort product_id_high, product_id_low; + ulong product_id; + + eisa_iop = ASC_GET_EISA_SLOT(iop_base) | ASC_EISA_PID_IOP_MASK; + product_id_low = inpw(eisa_iop); + product_id_high = inpw(eisa_iop + 2); + product_id = ((ulong) product_id_high << 16) | (ulong) product_id_low; + return (product_id); +} + +ASC_INITFUNC( +STATIC PortAddr +AscSearchIOPortAddrEISA( + PortAddr iop_base +) +) +{ + ulong eisa_product_id; + + if (iop_base == 0) { + iop_base = ASC_EISA_MIN_IOP_ADDR; + } else { + if (iop_base == ASC_EISA_MAX_IOP_ADDR) + return (0); + if ((iop_base & 0x0050) == 0x0050) { + iop_base += ASC_EISA_BIG_IOP_GAP; + } else { + iop_base += ASC_EISA_SMALL_IOP_GAP; + } + } + while (iop_base <= ASC_EISA_MAX_IOP_ADDR) { + eisa_product_id = AscGetEisaProductID(iop_base); + if ((eisa_product_id == ASC_EISA_ID_740) || + (eisa_product_id == ASC_EISA_ID_750)) { + if (AscFindSignature(iop_base)) { + inpw(iop_base + 4); + return (iop_base); + } + } + if (iop_base == ASC_EISA_MAX_IOP_ADDR) + return (0); + if ((iop_base & 0x0050) == 0x0050) { + iop_base += ASC_EISA_BIG_IOP_GAP; + } else { + iop_base += ASC_EISA_SMALL_IOP_GAP; + } + } + return (0); +} + +STATIC int +AscStartChip( + PortAddr iop_base +) +{ + AscSetChipControl(iop_base, 0); + if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) { + return (0); + } + return (1); +} + +STATIC int +AscStopChip( + PortAddr iop_base +) +{ + uchar cc_val; + + cc_val = AscGetChipControl(iop_base) & (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG)); + AscSetChipControl(iop_base, (uchar) (cc_val | CC_HALT)); + AscSetChipIH(iop_base, INS_HALT); + AscSetChipIH(iop_base, INS_RFLAG_WTM); + if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) { + return (0); + } + return (1); +} + +STATIC int +AscIsChipHalted( + PortAddr iop_base +) +{ + if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) { + if ((AscGetChipControl(iop_base) & CC_HALT) != 0) { + return (1); + } + } + return (0); +} + +STATIC void +AscSetChipIH( + PortAddr iop_base, + ushort ins_code +) +{ + AscSetBank(iop_base, 1); + AscWriteChipIH(iop_base, ins_code); + AscSetBank(iop_base, 0); + return; +} + +STATIC void +AscAckInterrupt( + PortAddr iop_base +) +{ + uchar host_flag; + uchar risc_flag; + ushort loop; + + loop = 0; + do { + risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B); + if (loop++ > 0x7FFF) { + break; + } + } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0); + host_flag = AscReadLramByte(iop_base, ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT); + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, + (uchar) (host_flag | ASC_HOST_FLAG_ACK_INT)); + AscSetChipStatus(iop_base, CIW_INT_ACK); + loop = 0; + while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) { + AscSetChipStatus(iop_base, CIW_INT_ACK); + if (loop++ > 3) { + break; + } + } + AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag); + return; +} + +STATIC void +AscDisableInterrupt( + PortAddr iop_base +) +{ + ushort cfg; + + cfg = AscGetChipCfgLsw(iop_base); + AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON)); + return; +} + +STATIC void +AscEnableInterrupt( + PortAddr iop_base +) +{ + ushort cfg; + + cfg = AscGetChipCfgLsw(iop_base); + AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON); + return; +} + + + +STATIC void +AscSetBank( + PortAddr iop_base, + uchar bank +) +{ + uchar val; + + val = AscGetChipControl(iop_base) & + (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET | CC_CHIP_RESET)); + if (bank == 1) { + val |= CC_BANK_ONE; + } else if (bank == 2) { + val |= CC_DIAG | CC_BANK_ONE; + } else { + val &= ~CC_BANK_ONE; + } + AscSetChipControl(iop_base, val); + return; +} + +STATIC int +AscResetChipAndScsiBus( + ASC_DVC_VAR *asc_dvc +) +{ + PortAddr iop_base; + + iop_base = asc_dvc->iop_base; + while (AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE) ; + AscStopChip(iop_base); + AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT); + DvcDelayNanoSecond(asc_dvc, 60000); + AscSetChipIH(iop_base, INS_RFLAG_WTM); + AscSetChipIH(iop_base, INS_HALT); + AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT); + AscSetChipControl(iop_base, CC_HALT); + DvcSleepMilliSecond(200); + AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT); + AscSetChipStatus(iop_base, 0); + return (AscIsChipHalted(iop_base)); +} + +ASC_INITFUNC( +STATIC ulong +AscGetMaxDmaCount( + ushort bus_type +) +) +{ + if (bus_type & ASC_IS_ISA) + return (ASC_MAX_ISA_DMA_COUNT); + else if (bus_type & (ASC_IS_EISA | ASC_IS_VL)) + return (ASC_MAX_VL_DMA_COUNT); + return (ASC_MAX_PCI_DMA_COUNT); +} + +ASC_INITFUNC( +STATIC ushort +AscGetIsaDmaChannel( + PortAddr iop_base +) +) +{ + ushort channel; + + channel = AscGetChipCfgLsw(iop_base) & 0x0003; + if (channel == 0x03) + return (0); + else if (channel == 0x00) + return (7); + return (channel + 4); +} + +ASC_INITFUNC( +STATIC ushort +AscSetIsaDmaChannel( + PortAddr iop_base, + ushort dma_channel +) +) +{ + ushort cfg_lsw; + uchar value; + + if ((dma_channel >= 5) && (dma_channel <= 7)) { + if (dma_channel == 7) + value = 0x00; + else + value = dma_channel - 4; + cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC; + cfg_lsw |= value; + AscSetChipCfgLsw(iop_base, cfg_lsw); + return (AscGetIsaDmaChannel(iop_base)); + } + return (0); +} + +ASC_INITFUNC( +STATIC uchar +AscSetIsaDmaSpeed( + PortAddr iop_base, + uchar speed_value +) +) +{ + speed_value &= 0x07; + AscSetBank(iop_base, 1); + AscWriteChipDmaSpeed(iop_base, speed_value); + AscSetBank(iop_base, 0); + return (AscGetIsaDmaSpeed(iop_base)); +} + +ASC_INITFUNC( +STATIC uchar +AscGetIsaDmaSpeed( + PortAddr iop_base +) +) +{ + uchar speed_value; + + AscSetBank(iop_base, 1); + speed_value = AscReadChipDmaSpeed(iop_base); + speed_value &= 0x07; + AscSetBank(iop_base, 0); + return (speed_value); +} + +ASC_INITFUNC( +STATIC ushort +AscReadPCIConfigWord( + ASC_DVC_VAR asc_ptr_type *asc_dvc, + ushort pci_config_offset) +) +{ + uchar lsb, msb; + + lsb = DvcReadPCIConfigByte(asc_dvc, pci_config_offset); + msb = DvcReadPCIConfigByte(asc_dvc, pci_config_offset + 1); + return ((ushort) ((msb << 8) | lsb)); +} + +ASC_INITFUNC( +STATIC ushort +AscInitGetConfig( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + ushort warn_code; + PortAddr iop_base; + ushort PCIDeviceID; + ushort PCIVendorID; + uchar PCIRevisionID; + uchar prevCmdRegBits; + + warn_code = 0; + iop_base = asc_dvc->iop_base; + asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG; + if (asc_dvc->err_code != 0) { + return (UW_ERR); + } + if (asc_dvc->bus_type == ASC_IS_PCI) { + PCIVendorID = AscReadPCIConfigWord(asc_dvc, + AscPCIConfigVendorIDRegister); + + PCIDeviceID = AscReadPCIConfigWord(asc_dvc, + AscPCIConfigDeviceIDRegister); + + PCIRevisionID = DvcReadPCIConfigByte(asc_dvc, + AscPCIConfigRevisionIDRegister); + + if (PCIVendorID != ASC_PCI_VENDORID) { + warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; + } + prevCmdRegBits = DvcReadPCIConfigByte(asc_dvc, + AscPCIConfigCommandRegister); + + if ((prevCmdRegBits & AscPCICmdRegBits_IOMemBusMaster) != + AscPCICmdRegBits_IOMemBusMaster) { + DvcWritePCIConfigByte(asc_dvc, + AscPCIConfigCommandRegister, + (prevCmdRegBits | + AscPCICmdRegBits_IOMemBusMaster)); + + if ((DvcReadPCIConfigByte(asc_dvc, + AscPCIConfigCommandRegister) + & AscPCICmdRegBits_IOMemBusMaster) + != AscPCICmdRegBits_IOMemBusMaster) { + warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; + } + } + if ((PCIDeviceID == ASC_PCI_DEVICEID_1200A) || + (PCIDeviceID == ASC_PCI_DEVICEID_1200B)) { + DvcWritePCIConfigByte(asc_dvc, + AscPCIConfigLatencyTimer, 0x00); + if (DvcReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer) + != 0x00) { + warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; + } + } else if (PCIDeviceID == ASC_PCI_DEVICEID_ULTRA) { + if (DvcReadPCIConfigByte(asc_dvc, + AscPCIConfigLatencyTimer) < 0x20) { + DvcWritePCIConfigByte(asc_dvc, + AscPCIConfigLatencyTimer, 0x20); + + if (DvcReadPCIConfigByte(asc_dvc, + AscPCIConfigLatencyTimer) < 0x20) { + warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; + } + } + } + } + + if (AscFindSignature(iop_base)) { + warn_code |= AscInitAscDvcVar(asc_dvc); + warn_code |= AscInitFromEEP(asc_dvc); + asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG; + if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT) { + asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT; + } + } else { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + } + return(warn_code); +} + +ASC_INITFUNC( +STATIC ushort +AscInitSetConfig( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + ushort warn_code = 0; + + asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG; + if (asc_dvc->err_code != 0) + return (UW_ERR); + if (AscFindSignature(asc_dvc->iop_base)) { + warn_code |= AscInitFromAscDvcVar(asc_dvc); + asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG; + } else { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + } + return (warn_code); +} + +ASC_INITFUNC( +STATIC ushort +AscInitFromAscDvcVar( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + PortAddr iop_base; + ushort cfg_msw; + ushort warn_code; + ushort pci_device_id; + + iop_base = asc_dvc->iop_base; + pci_device_id = asc_dvc->cfg->pci_device_id; + warn_code = 0; + cfg_msw = AscGetChipCfgMsw(iop_base); + if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { + cfg_msw &= (~(ASC_CFG_MSW_CLR_MASK)); + warn_code |= ASC_WARN_CFG_MSW_RECOVER; + AscSetChipCfgMsw(iop_base, cfg_msw); + } + if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) != + asc_dvc->cfg->cmd_qng_enabled) { + asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled; + warn_code |= ASC_WARN_CMD_QNG_CONFLICT; + } + if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) { + warn_code |= ASC_WARN_AUTO_CONFIG; + } + if ((asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL)) != 0) { + if (AscSetChipIRQ(iop_base, asc_dvc->irq_no, asc_dvc->bus_type) + != asc_dvc->irq_no) { + asc_dvc->err_code |= ASC_IERR_SET_IRQ_NO; + } + } + if (asc_dvc->bus_type & ASC_IS_PCI) { + cfg_msw &= 0xFFC0; + AscSetChipCfgMsw(iop_base, cfg_msw); + if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) { + } else { + if ((pci_device_id == ASC_PCI_DEVICE_ID_REV_A) || + (pci_device_id == ASC_PCI_DEVICE_ID_REV_B)) { + asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB; + asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; + } + } + } else if (asc_dvc->bus_type == ASC_IS_ISAPNP) { + if (AscGetChipVersion(iop_base, asc_dvc->bus_type) + == ASC_CHIP_VER_ASYN_BUG) { + asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; + } + } + if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) != + asc_dvc->cfg->chip_scsi_id) { + asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID; + } + if (asc_dvc->bus_type & ASC_IS_ISA) { + AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel); + AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed); + } + return (warn_code); +} + +ASC_INITFUNC( +STATIC ushort +AscInitAsc1000Driver( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + ushort warn_code; + PortAddr iop_base; + extern ushort _asc_mcode_size; + extern ulong _asc_mcode_chksum; + extern uchar _asc_mcode_buf[]; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) && + !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) { + AscResetChipAndScsiBus(asc_dvc); + DvcSleepMilliSecond((ulong) ((ushort) asc_dvc->scsi_reset_wait * 1000)); + } + asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC; + if (asc_dvc->err_code != 0) + return (UW_ERR); + if (!AscFindSignature(asc_dvc->iop_base)) { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + return (warn_code); + } + AscDisableInterrupt(iop_base); + warn_code |= AscInitLram(asc_dvc); + if (asc_dvc->err_code != 0) + return (UW_ERR); + if (AscLoadMicroCode(iop_base, 0, (ushort *) _asc_mcode_buf, + _asc_mcode_size) != _asc_mcode_chksum) { + asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; + return (warn_code); + } + warn_code |= AscInitMicroCodeVar(asc_dvc); + asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC; + AscEnableInterrupt(iop_base); + return (warn_code); +} + +ASC_INITFUNC( +STATIC ushort +AscInitAscDvcVar( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + int i; + PortAddr iop_base; + ushort warn_code; + uchar chip_version; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + asc_dvc->err_code = 0; + if ((asc_dvc->bus_type & + (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) { + asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE; + } + AscSetChipControl(iop_base, CC_HALT); + AscSetChipStatus(iop_base, 0); + asc_dvc->bug_fix_cntl = 0; + asc_dvc->pci_fix_asyn_xfer = 0; + asc_dvc->pci_fix_asyn_xfer_always = 0; + asc_dvc->init_state = 0; + asc_dvc->sdtr_done = 0; + asc_dvc->cur_total_qng = 0; + asc_dvc->is_in_int = 0; + asc_dvc->in_critical_cnt = 0; + asc_dvc->last_q_shortage = 0; + asc_dvc->use_tagged_qng = 0; + asc_dvc->no_scam = 0; + asc_dvc->unit_not_ready = 0; + asc_dvc->queue_full_or_busy = 0; + asc_dvc->redo_scam = 0 ; + asc_dvc->res2 = 0 ; + asc_dvc->host_init_sdtr_index = 0 ; + asc_dvc->res7 = 0 ; + asc_dvc->res8 = 0 ; + asc_dvc->cfg->can_tagged_qng = 0 ; + asc_dvc->cfg->cmd_qng_enabled = 0; + asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL; + asc_dvc->init_sdtr = 0; + asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG; + asc_dvc->scsi_reset_wait = 3; + asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET; + asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type); + asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET; + asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET; + asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID; + asc_dvc->cfg->lib_serial_no = ASC_LIB_SERIAL_NUMBER; + asc_dvc->cfg->lib_version = (ASC_LIB_VERSION_MAJOR << 8) | + ASC_LIB_VERSION_MINOR; + chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type); + asc_dvc->cfg->chip_version = chip_version; + asc_dvc->sdtr_period_tbl[0] = SYN_XFER_NS_0; + asc_dvc->sdtr_period_tbl[1] = SYN_XFER_NS_1; + asc_dvc->sdtr_period_tbl[2] = SYN_XFER_NS_2; + asc_dvc->sdtr_period_tbl[3] = SYN_XFER_NS_3; + asc_dvc->sdtr_period_tbl[4] = SYN_XFER_NS_4; + asc_dvc->sdtr_period_tbl[5] = SYN_XFER_NS_5; + asc_dvc->sdtr_period_tbl[6] = SYN_XFER_NS_6; + asc_dvc->sdtr_period_tbl[7] = SYN_XFER_NS_7; + asc_dvc->max_sdtr_index = 7; + if ((asc_dvc->bus_type & ASC_IS_PCI) && + (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) { + asc_dvc->bus_type = ASC_IS_PCI_ULTRA; + asc_dvc->sdtr_period_tbl[0] = SYN_ULTRA_XFER_NS_0; + asc_dvc->sdtr_period_tbl[1] = SYN_ULTRA_XFER_NS_1; + asc_dvc->sdtr_period_tbl[2] = SYN_ULTRA_XFER_NS_2; + asc_dvc->sdtr_period_tbl[3] = SYN_ULTRA_XFER_NS_3; + asc_dvc->sdtr_period_tbl[4] = SYN_ULTRA_XFER_NS_4; + asc_dvc->sdtr_period_tbl[5] = SYN_ULTRA_XFER_NS_5; + asc_dvc->sdtr_period_tbl[6] = SYN_ULTRA_XFER_NS_6; + asc_dvc->sdtr_period_tbl[7] = SYN_ULTRA_XFER_NS_7; + asc_dvc->sdtr_period_tbl[8] = SYN_ULTRA_XFER_NS_8; + asc_dvc->sdtr_period_tbl[9] = SYN_ULTRA_XFER_NS_9; + asc_dvc->sdtr_period_tbl[10] = SYN_ULTRA_XFER_NS_10; + asc_dvc->sdtr_period_tbl[11] = SYN_ULTRA_XFER_NS_11; + asc_dvc->sdtr_period_tbl[12] = SYN_ULTRA_XFER_NS_12; + asc_dvc->sdtr_period_tbl[13] = SYN_ULTRA_XFER_NS_13; + asc_dvc->sdtr_period_tbl[14] = SYN_ULTRA_XFER_NS_14; + asc_dvc->sdtr_period_tbl[15] = SYN_ULTRA_XFER_NS_15; + asc_dvc->max_sdtr_index = 15; + if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) + { + AscSetExtraControl(iop_base, + (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); + } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) { + AscSetExtraControl(iop_base, + (SEC_ACTIVE_NEGATE | SEC_ENABLE_FILTER)); + } + } + if (asc_dvc->bus_type == ASC_IS_PCI) { + AscSetExtraControl(iop_base, (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); + } + + asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED; + if (AscGetChipBusType(iop_base) == ASC_IS_ISAPNP) { + AscSetChipIFC(iop_base, IFC_INIT_DEFAULT); + asc_dvc->bus_type = ASC_IS_ISAPNP; + } + if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) { + asc_dvc->cfg->isa_dma_channel = (uchar) AscGetIsaDmaChannel(iop_base); + } + for (i = 0; i <= ASC_MAX_TID; i++) { + asc_dvc->cur_dvc_qng[i] = 0; + asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG; + asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *) 0L; + asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *) 0L; + asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG; + } + return (warn_code); +} + +ASC_INITFUNC( +STATIC ushort +AscInitFromEEP( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + ASCEEP_CONFIG eep_config_buf; + ASCEEP_CONFIG *eep_config; + PortAddr iop_base; + ushort chksum; + ushort warn_code; + ushort cfg_msw, cfg_lsw; + int i; + int write_eep = 0; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE); + AscStopQueueExe(iop_base); + if ((AscStopChip(iop_base) == FALSE) || + (AscGetChipScsiCtrl(iop_base) != 0)) { + asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE; + AscResetChipAndScsiBus(asc_dvc); + DvcSleepMilliSecond((ulong) ((ushort) asc_dvc->scsi_reset_wait * 1000)); + } + if (AscIsChipHalted(iop_base) == FALSE) { + asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP; + return (warn_code); + } + AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); + if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { + asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR; + return (warn_code); + } + eep_config = (ASCEEP_CONFIG *) & eep_config_buf; + cfg_msw = AscGetChipCfgMsw(iop_base); + cfg_lsw = AscGetChipCfgLsw(iop_base); + if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { + cfg_msw &= (~(ASC_CFG_MSW_CLR_MASK)); + warn_code |= ASC_WARN_CFG_MSW_RECOVER; + AscSetChipCfgMsw(iop_base, cfg_msw); + } + chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type); + if (chksum == 0) { + chksum = 0xaa55; + } + if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) { + warn_code |= ASC_WARN_AUTO_CONFIG; + if (asc_dvc->cfg->chip_version == 3) { + if (eep_config->cfg_lsw != cfg_lsw) { + warn_code |= ASC_WARN_EEPROM_RECOVER; + eep_config->cfg_lsw = AscGetChipCfgLsw(iop_base); + } + if (eep_config->cfg_msw != cfg_msw) { + warn_code |= ASC_WARN_EEPROM_RECOVER; + eep_config->cfg_msw = AscGetChipCfgMsw(iop_base); + } + } + } + eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK; + eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON; + if (chksum != eep_config->chksum) { + if (AscGetChipVersion(iop_base, asc_dvc->bus_type) == + ASC_CHIP_VER_PCI_ULTRA_3050 ) + { + eep_config->init_sdtr = 0xFF; + eep_config->disc_enable = 0xFF; + eep_config->start_motor = 0xFF; + eep_config->use_cmd_qng = 0; + eep_config->max_total_qng = 0xF0; + eep_config->max_tag_qng = 0x20; + eep_config->cntl = 0xBFFF; + eep_config->chip_scsi_id = 7; + eep_config->no_scam = 0; + eep_config->adapter_info[0] = 0; + eep_config->adapter_info[1] = 0; + eep_config->adapter_info[2] = 0; + eep_config->adapter_info[3] = 0; + eep_config->adapter_info[4] = 0; + /* Indicate EEPROM-less board. */ + eep_config->adapter_info[5] = 0xBB; + } else { + write_eep = 1 ; + warn_code |= ASC_WARN_EEPROM_CHKSUM ; + } + } + asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr ; + asc_dvc->cfg->disc_enable = eep_config->disc_enable; + asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng; + asc_dvc->cfg->isa_dma_speed = eep_config->isa_dma_speed; + asc_dvc->start_motor = eep_config->start_motor; + asc_dvc->dvc_cntl = eep_config->cntl; + asc_dvc->no_scam = eep_config->no_scam; + asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0]; + asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1]; + asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2]; + asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3]; + asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4]; + asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5]; + if (!AscTestExternalLram(asc_dvc)) { + if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA)) { + eep_config->max_total_qng = ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG; + eep_config->max_tag_qng = ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG; + } else { + eep_config->cfg_msw |= 0x0800; + cfg_msw |= 0x0800; + AscSetChipCfgMsw(iop_base, cfg_msw); + eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG; + eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG; + } + } else { + } + if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) { + eep_config->max_total_qng = ASC_MIN_TOTAL_QNG; + } + if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) { + eep_config->max_total_qng = ASC_MAX_TOTAL_QNG; + } + if (eep_config->max_tag_qng > eep_config->max_total_qng) { + eep_config->max_tag_qng = eep_config->max_total_qng; + } + if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) { + eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC; + } + asc_dvc->max_total_qng = eep_config->max_total_qng; + if ((eep_config->use_cmd_qng & eep_config->disc_enable) != + eep_config->use_cmd_qng) { + eep_config->disc_enable = eep_config->use_cmd_qng; + warn_code |= ASC_WARN_CMD_QNG_CONFLICT; + } + if (asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL | ASC_IS_EISA)) { + asc_dvc->irq_no = AscGetChipIRQ(iop_base, asc_dvc->bus_type); + } + eep_config->chip_scsi_id &= ASC_MAX_TID; + asc_dvc->cfg->chip_scsi_id = eep_config->chip_scsi_id; + if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) && + !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) { + asc_dvc->host_init_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX; + } + + for (i = 0; i <= ASC_MAX_TID; i++) { + asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i]; + asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng; + asc_dvc->cfg->sdtr_period_offset[i] = + (uchar) (ASC_DEF_SDTR_OFFSET | + (asc_dvc->host_init_sdtr_index << 4)); + } + eep_config->cfg_msw = AscGetChipCfgMsw(iop_base); + if (write_eep) { + (void) AscSetEEPConfig(iop_base, eep_config, asc_dvc->bus_type); + } + return (warn_code); +} + +ASC_INITFUNC( +STATIC ushort +AscInitMicroCodeVar( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + int i; + ushort warn_code; + PortAddr iop_base; + ulong phy_addr; + + iop_base = asc_dvc->iop_base; + warn_code = 0; + for (i = 0; i <= ASC_MAX_TID; i++) { + AscPutMCodeInitSDTRAtID(iop_base, i, + asc_dvc->cfg->sdtr_period_offset[i] +); + } + AscInitQLinkVar(asc_dvc); + AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B, + asc_dvc->cfg->disc_enable); + AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B, + ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id)); + if ((phy_addr = AscGetOnePhyAddr(asc_dvc, + (uchar *) asc_dvc->cfg->overrun_buf, + ASC_OVERRUN_BSIZE)) == 0L) { + asc_dvc->err_code |= ASC_IERR_GET_PHY_ADDR; + } else { + phy_addr = (phy_addr & 0xFFFFFFF8UL) + 8; + AscWriteLramDWord(iop_base, ASCV_OVERRUN_PADDR_D, phy_addr); + AscWriteLramDWord(iop_base, ASCV_OVERRUN_BSIZE_D, + ASC_OVERRUN_BSIZE - 8); + } + asc_dvc->cfg->mcode_date = AscReadLramWord(iop_base, + (ushort) ASCV_MC_DATE_W); + asc_dvc->cfg->mcode_version = AscReadLramWord(iop_base, + (ushort) ASCV_MC_VER_W); + AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR); + if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) { + asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR; + return (warn_code); + } + if (AscStartChip(iop_base) != 1) { + asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP; + return (warn_code); + } + return (warn_code); +} + +ASC_INITFUNC( +STATIC int +AscTestExternalLram( + ASC_DVC_VAR asc_ptr_type * asc_dvc +) +) +{ + PortAddr iop_base; + ushort q_addr; + ushort saved_word; + int sta; + + iop_base = asc_dvc->iop_base; + sta = 0; + q_addr = ASC_QNO_TO_QADDR(241); + saved_word = AscReadLramWord(iop_base, q_addr); + AscSetChipLramAddr(iop_base, q_addr); + AscSetChipLramData(iop_base, 0x55AA); + DvcSleepMilliSecond(10); + AscSetChipLramAddr(iop_base, q_addr); + if (AscGetChipLramData(iop_base) == 0x55AA) { + sta = 1; + AscWriteLramWord(iop_base, q_addr, saved_word); + } + return (sta); +} + +ASC_INITFUNC( +STATIC int +AscWriteEEPCmdReg( + PortAddr iop_base, + uchar cmd_reg +) +) +{ + uchar read_back; + int retry; + + retry = 0; + while (TRUE) { + AscSetChipEEPCmd(iop_base, cmd_reg); + DvcSleepMilliSecond(1); + read_back = AscGetChipEEPCmd(iop_base); + if (read_back == cmd_reg) { + return (1); + } + if (retry++ > ASC_EEP_MAX_RETRY) { + return (0); + } + } +} + +ASC_INITFUNC( +STATIC int +AscWriteEEPDataReg( + PortAddr iop_base, + ushort data_reg +) +) +{ + ushort read_back; + int retry; + + retry = 0; + while (TRUE) { + AscSetChipEEPData(iop_base, data_reg); + DvcSleepMilliSecond(1); + read_back = AscGetChipEEPData(iop_base); + if (read_back == data_reg) { + return (1); + } + if (retry++ > ASC_EEP_MAX_RETRY) { + return (0); + } + } +} + +ASC_INITFUNC( +STATIC void +AscWaitEEPRead( + void +) +) +{ + DvcSleepMilliSecond(1); + return; +} + +ASC_INITFUNC( +STATIC void +AscWaitEEPWrite( + void +) +) +{ + DvcSleepMilliSecond(20); + return; +} + +ASC_INITFUNC( +STATIC ushort +AscReadEEPWord( + PortAddr iop_base, + uchar addr +) +) +{ + ushort read_wval; + uchar cmd_reg; + + AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE); + AscWaitEEPRead(); + cmd_reg = addr | ASC_EEP_CMD_READ; + AscWriteEEPCmdReg(iop_base, cmd_reg); + AscWaitEEPRead(); + read_wval = AscGetChipEEPData(iop_base); + AscWaitEEPRead(); + return (read_wval); +} + +ASC_INITFUNC( +STATIC ushort +AscWriteEEPWord( + PortAddr iop_base, + uchar addr, + ushort word_val +) +) +{ + ushort read_wval; + + read_wval = AscReadEEPWord(iop_base, addr); + if (read_wval != word_val) { + AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE); + AscWaitEEPRead(); + AscWriteEEPDataReg(iop_base, word_val); + AscWaitEEPRead(); + AscWriteEEPCmdReg(iop_base, + (uchar) ((uchar) ASC_EEP_CMD_WRITE | addr)); + AscWaitEEPWrite(); + AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE); + AscWaitEEPRead(); + return (AscReadEEPWord(iop_base, addr)); + } + return (read_wval); +} + +ASC_INITFUNC( +STATIC ushort +AscGetEEPConfig( + PortAddr iop_base, + ASCEEP_CONFIG * cfg_buf, ushort bus_type +) +) +{ + ushort wval; + ushort sum; + ushort *wbuf; + int cfg_beg; + int cfg_end; + int s_addr; + int isa_pnp_wsize; + + wbuf = (ushort *) cfg_buf; + sum = 0; + isa_pnp_wsize = 0; + for (s_addr = 0; s_addr < (2 + isa_pnp_wsize); s_addr++, wbuf++) { + wval = AscReadEEPWord(iop_base, (uchar) s_addr); + sum += wval; + *wbuf = wval; + } + if (bus_type & ASC_IS_VL) { + cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; + cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; + } else { + cfg_beg = ASC_EEP_DVC_CFG_BEG; + cfg_end = ASC_EEP_MAX_DVC_ADDR; + } + for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); + s_addr++, wbuf++) { + wval = AscReadEEPWord(iop_base, (uchar) s_addr); + sum += wval; + *wbuf = wval; + } + *wbuf = AscReadEEPWord(iop_base, (uchar) s_addr); + return (sum); +} + +ASC_INITFUNC( +STATIC int +AscSetEEPConfigOnce( + PortAddr iop_base, + ASCEEP_CONFIG * cfg_buf, ushort bus_type +) +) +{ + int n_error; + ushort *wbuf; + ushort sum; + int s_addr; + int cfg_beg; + int cfg_end; + + wbuf = (ushort *) cfg_buf; + n_error = 0; + sum = 0; + for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { + sum += *wbuf; + if (*wbuf != AscWriteEEPWord(iop_base, (uchar) s_addr, *wbuf)) { + n_error++; + } + } + if (bus_type & ASC_IS_VL) { + cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; + cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; + } else { + cfg_beg = ASC_EEP_DVC_CFG_BEG; + cfg_end = ASC_EEP_MAX_DVC_ADDR; + } + for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); + s_addr++, wbuf++) { + sum += *wbuf; + if (*wbuf != AscWriteEEPWord(iop_base, (uchar) s_addr, *wbuf)) { + n_error++; + } + } + *wbuf = sum; + if (sum != AscWriteEEPWord(iop_base, (uchar) s_addr, sum)) { + n_error++; + } + wbuf = (ushort *) cfg_buf; + for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { + if (*wbuf != AscReadEEPWord(iop_base, (uchar) s_addr)) { + n_error++; + } + } + for (s_addr = cfg_beg; s_addr <= cfg_end; + s_addr++, wbuf++) { + if (*wbuf != AscReadEEPWord(iop_base, (uchar) s_addr)) { + n_error++; + } + } + return (n_error); +} + +ASC_INITFUNC( +STATIC int +AscSetEEPConfig( + PortAddr iop_base, + ASCEEP_CONFIG * cfg_buf, ushort bus_type +) +) +{ + int retry; + int n_error; + + retry = 0; + while (TRUE) { + if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf, + bus_type)) == 0) { + break; + } + if (++retry > ASC_EEP_MAX_RETRY) { + break; + } + } + return (n_error); +} + +STATIC void +AscAsyncFix( + ASC_DVC_VAR asc_ptr_type *asc_dvc, + uchar tid_no, + ASC_SCSI_INQUIRY *inq) +{ + uchar dvc_type; + ASC_SCSI_BIT_ID_TYPE tid_bits; + + dvc_type = inq->byte0.peri_dvc_type; + tid_bits = ASC_TIX_TO_TARGET_ID(tid_no); + + if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN) { + if (!(asc_dvc->init_sdtr & tid_bits)) { + if ((dvc_type == SCSI_TYPE_CDROM) && + (AscCompareString((uchar *) inq->vendor_id, + (uchar *) "HP ", 3) == 0)) { + asc_dvc->pci_fix_asyn_xfer_always |= tid_bits; + } + asc_dvc->pci_fix_asyn_xfer |= tid_bits; + if ((dvc_type == SCSI_TYPE_PROC) || + (dvc_type == SCSI_TYPE_SCANNER)) { + asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; + } + if ((dvc_type == SCSI_TYPE_SASD) && + (AscCompareString((uchar *) inq->vendor_id, + (uchar *) "TANDBERG", 8) == 0) && + (AscCompareString((uchar *) inq->product_id, + (uchar *) " TDC 36", 7) == 0)) { + asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; + } + if ((dvc_type == SCSI_TYPE_SASD) && + (AscCompareString((uchar *) inq->vendor_id, + (uchar *) "WANGTEK ", 8) == 0)) { + asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; + } + + if ((dvc_type == SCSI_TYPE_CDROM) && + (AscCompareString((uchar *) inq->vendor_id, + (uchar *) "NEC ", 8) == 0) && + (AscCompareString((uchar *) inq->product_id, + (uchar *) "CD-ROM DRIVE ", 16) == 0)) { + asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; + } + + if ((dvc_type == SCSI_TYPE_CDROM) && + (AscCompareString((uchar *) inq->vendor_id, + (uchar *) "YAMAHA", 6) == 0) && + (AscCompareString((uchar *) inq->product_id, + (uchar *) "CDR400", 6) == 0)) { + asc_dvc->pci_fix_asyn_xfer &= ~tid_bits; + } + if (asc_dvc->pci_fix_asyn_xfer & tid_bits) { + AscSetRunChipSynRegAtID(asc_dvc->iop_base, tid_no, + ASYN_SDTR_DATA_FIX_PCI_REV_AB); + } + } + } + return; +} + +STATIC int +AscTagQueuingSafe(ASC_SCSI_INQUIRY *inq) +{ + if ((inq->add_len >= 32) && + (AscCompareString((uchar *) inq->vendor_id, + (uchar *) "QUANTUM XP34301", 15) == 0) && + (AscCompareString((uchar *) inq->product_rev_level, + (uchar *) "1071", 4) == 0)) + { + return 0; + } + return 1; +} + +STATIC void +AscInquiryHandling(ASC_DVC_VAR asc_ptr_type *asc_dvc, + uchar tid_no, ASC_SCSI_INQUIRY *inq) +{ + ASC_SCSI_BIT_ID_TYPE tid_bit = ASC_TIX_TO_TARGET_ID(tid_no); + ASC_SCSI_BIT_ID_TYPE orig_init_sdtr, orig_use_tagged_qng; + + orig_init_sdtr = asc_dvc->init_sdtr; + orig_use_tagged_qng = asc_dvc->use_tagged_qng; + + asc_dvc->init_sdtr &= ~tid_bit; + asc_dvc->cfg->can_tagged_qng &= ~tid_bit; + asc_dvc->use_tagged_qng &= ~tid_bit; + + if (inq->byte3.rsp_data_fmt >= 2 || inq->byte2.ansi_apr_ver >= 2) { + if ((asc_dvc->cfg->sdtr_enable & tid_bit) && inq->byte7.Sync) { + asc_dvc->init_sdtr |= tid_bit; + } + if ((asc_dvc->cfg->cmd_qng_enabled & tid_bit) && inq->byte7.CmdQue) { + if (AscTagQueuingSafe(inq)) { + asc_dvc->use_tagged_qng |= tid_bit; + asc_dvc->cfg->can_tagged_qng |= tid_bit; + } + } + } + if (orig_use_tagged_qng != asc_dvc->use_tagged_qng) { + AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B, + asc_dvc->cfg->disc_enable); + AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B, + asc_dvc->use_tagged_qng); + AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B, + asc_dvc->cfg->can_tagged_qng); + + asc_dvc->max_dvc_qng[tid_no] = + asc_dvc->cfg->max_tag_qng[tid_no]; + AscWriteLramByte(asc_dvc->iop_base, + (ushort) (ASCV_MAX_DVC_QNG_BEG + tid_no), + asc_dvc->max_dvc_qng[tid_no]); + } + if (orig_init_sdtr != asc_dvc->init_sdtr) { + AscAsyncFix(asc_dvc, tid_no, inq); + } + return; +} + +STATIC int +AscCompareString( + ruchar * str1, + ruchar * str2, + int len +) +{ + int i; + int diff; + + for (i = 0; i < len; i++) { + diff = (int) (str1[i] - str2[i]); + if (diff != 0) + return (diff); + } + return (0); +} + +STATIC uchar +AscReadLramByte( + PortAddr iop_base, + ushort addr +) +{ + uchar byte_data; + ushort word_data; + + if (isodd_word(addr)) { + AscSetChipLramAddr(iop_base, addr - 1); + word_data = AscGetChipLramData(iop_base); + byte_data = (uchar) ((word_data >> 8) & 0xFF); + } else { + AscSetChipLramAddr(iop_base, addr); + word_data = AscGetChipLramData(iop_base); + byte_data = (uchar) (word_data & 0xFF); + } + return (byte_data); +} + +STATIC ushort +AscReadLramWord( + PortAddr iop_base, + ushort addr +) +{ + ushort word_data; + + AscSetChipLramAddr(iop_base, addr); + word_data = AscGetChipLramData(iop_base); + return (word_data); +} + +STATIC ulong +AscReadLramDWord( + PortAddr iop_base, + ushort addr +) +{ + ushort val_low, val_high; + ulong dword_data; + + AscSetChipLramAddr(iop_base, addr); + val_low = AscGetChipLramData(iop_base); + val_high = AscGetChipLramData(iop_base); + dword_data = ((ulong) val_high << 16) | (ulong) val_low; + return (dword_data); +} + +STATIC void +AscWriteLramWord( + PortAddr iop_base, + ushort addr, + ushort word_val +) +{ + AscSetChipLramAddr(iop_base, addr); + AscSetChipLramData(iop_base, word_val); + return; +} + +STATIC void +AscWriteLramDWord( + PortAddr iop_base, + ushort addr, + ulong dword_val +) +{ + ushort word_val; + + AscSetChipLramAddr(iop_base, addr); + word_val = (ushort) dword_val; + AscSetChipLramData(iop_base, word_val); + word_val = (ushort) (dword_val >> 16); + AscSetChipLramData(iop_base, word_val); + return; +} + +STATIC void +AscWriteLramByte( + PortAddr iop_base, + ushort addr, + uchar byte_val +) +{ + ushort word_data; + + if (isodd_word(addr)) { + addr--; + word_data = AscReadLramWord(iop_base, addr); + word_data &= 0x00FF; + word_data |= (((ushort) byte_val << 8) & 0xFF00); + } else { + word_data = AscReadLramWord(iop_base, addr); + word_data &= 0xFF00; + word_data |= ((ushort) byte_val & 0x00FF); + } + AscWriteLramWord(iop_base, addr, word_data); + return; +} + +STATIC void +AscMemWordCopyToLram( + PortAddr iop_base, + ushort s_addr, + ushort * s_buffer, + int words +) +{ + AscSetChipLramAddr(iop_base, s_addr); + DvcOutPortWords(iop_base + IOP_RAM_DATA, s_buffer, words); + return; +} + +STATIC void +AscMemDWordCopyToLram( + PortAddr iop_base, + ushort s_addr, + ulong * s_buffer, + int dwords +) +{ + AscSetChipLramAddr(iop_base, s_addr); + DvcOutPortDWords(iop_base + IOP_RAM_DATA, s_buffer, dwords); + return; +} + +STATIC void +AscMemWordCopyFromLram( + PortAddr iop_base, + ushort s_addr, + ushort * d_buffer, + int words +) +{ + AscSetChipLramAddr(iop_base, s_addr); + DvcInPortWords(iop_base + IOP_RAM_DATA, d_buffer, words); + return; +} + +STATIC ulong +AscMemSumLramWord( + PortAddr iop_base, + ushort s_addr, + rint words +) +{ + ulong sum; + int i; + + sum = 0L; + for (i = 0; i < words; i++, s_addr += 2) { + sum += AscReadLramWord(iop_base, s_addr); + } + return (sum); +} + +STATIC void +AscMemWordSetLram( + PortAddr iop_base, + ushort s_addr, + ushort set_wval, + rint words +) +{ + rint i; + + AscSetChipLramAddr(iop_base, s_addr); + for (i = 0; i < words; i++) { + AscSetChipLramData(iop_base, set_wval); + } + return; +} + + +/* + * --- Adv Library Functions + */ + +/* a_qswap.h */ +STATIC unsigned char _adv_mcode_buf[] ASC_INITDATA = { + 0x9C, 0xF0, 0x80, 0x01, 0x00, 0xF0, 0x44, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x72, 0x01, 0xD6, 0x11, 0x00, 0x00, 0x70, 0x01, + 0x30, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x10, 0x2D, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x56, 0x34, 0x12, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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0x03, 0x57, 0x83, 0x59, 0x04, 0xCC, 0x01, 0x4A, 0x6A, 0x12, 0x45, 0x5A, + 0x00, 0xF2, 0xF6, 0x0D, 0x02, 0x4B, 0x70, 0x14, 0x34, 0x13, 0x02, 0x80, 0x48, 0xE4, 0x08, 0x00, + 0x18, 0x12, 0x9C, 0xE7, 0x02, 0x00, 0x9E, 0xE7, 0x15, 0x00, 0x00, 0xF2, 0xC6, 0x0F, 0x00, 0xF2, + 0x7A, 0x0A, 0x1E, 0x1C, 0x01, 0xF6, 0x01, 0x00, 0x00, 0x16, 0x30, 0xE4, 0x10, 0x00, 0x04, 0x40, + 0x00, 0xF2, 0xE2, 0x0D, 0x20, 0xE7, 0x01, 0x00, 0x01, 0xF6, 0x01, 0x00, 0x00, 0x16, 0x04, 0xDC, + 0x01, 0x4A, 0x24, 0x12, 0x45, 0x5A, 0x00, 0xF2, 0xF6, 0x0D, 0x43, 0x5B, 0x06, 0xEC, 0x98, 0x00, + 0x00, 0xF2, 0x38, 0x10, 0xC6, 0x59, 0x20, 0x14, 0x0A, 0x13, 0x00, 0xF2, 0xC6, 0x0F, 0x00, 0xF2, + 0x14, 0x10, 0xA7, 0x10, 0x83, 0x5A, 0xD7, 0x10, 0x0E, 0x47, 0x07, 0xE6, 0x10, 0x00, 0xCE, 0x47, + 0x5A, 0xF0, 0x20, 0x11, 0xB9, 0x54, 0x00, 0x16, 0x14, 0x90, 0x96, 0x90, 0x02, 0xFC, 0xA8, 0x00, + 0x03, 0xFC, 0xAA, 0x00, 0x48, 0x55, 0x02, 0x13, 0xC9, 0x55, 0x00, 0x16, 0x00, 0xEC, 0xBA, 0x00, + 0x10, 0x44, 0x00, 0xEA, 0xBA, 0x00, 0x00, 0x16, 0x03, 0xF6, 0xC0, 0x00, 0x00, 0xF2, 0x68, 0x0A, + 0x10, 0x44, 0x00, 0x4C, 0x00, 0x16 +}; + +unsigned short _adv_mcode_size ASC_INITDATA = + sizeof(_adv_mcode_buf); /* 0x11D6 */ +unsigned long _adv_mcode_chksum ASC_INITDATA = 0x03494981UL; + +/* a_init.c */ +/* + * EEPROM Configuration. + * + * All drivers should use this structure to set the default EEPROM + * configuration. The BIOS now uses this structure when it is built. + * Additional structure information can be found in a_condor.h where + * the structure is defined. + */ +STATIC ADVEEP_CONFIG +Default_EEPROM_Config ASC_INITDATA = { + ADV_EEPROM_BIOS_ENABLE, /* cfg_msw */ + 0x0000, /* cfg_lsw */ + 0xFFFF, /* disc_enable */ + 0xFFFF, /* wdtr_able */ + 0xFFFF, /* sdtr_able */ + 0xFFFF, /* start_motor */ + 0xFFFF, /* tagqng_able */ + 0xFFFF, /* bios_scan */ + 0, /* scam_tolerant */ + 7, /* adapter_scsi_id */ + 0, /* bios_boot_delay */ + 3, /* scsi_reset_delay */ + 0, /* bios_id_lun */ + 0, /* termination */ + 0, /* reserved1 */ + 0xFFEF, /* bios_ctrl */ + 0xFFFF, /* ultra_able */ + 0, /* reserved2 */ + ASC_DEF_MAX_HOST_QNG, /* max_host_qng */ + ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */ + 0, /* dvc_cntl */ + 0, /* bug_fix */ + 0, /* serial_number_word1 */ + 0, /* serial_number_word2 */ + 0, /* serial_number_word3 */ + 0, /* check_sum */ + { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, /* oem_name[16] */ + 0, /* dvc_err_code */ + 0, /* adv_err_code */ + 0, /* adv_err_addr */ + 0, /* saved_dvc_err_code */ + 0, /* saved_adv_err_code */ + 0, /* saved_adv_err_addr */ + 0 /* num_of_err */ +}; + +/* + * Initialize the ADV_DVC_VAR structure. + * + * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. + * + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. + */ +ASC_INITFUNC( +int +AdvInitGetConfig(ADV_DVC_VAR *asc_dvc) +) +{ + ushort warn_code; + AdvPortAddr iop_base; + uchar pci_cmd_reg; + int status; + + warn_code = 0; + asc_dvc->err_code = 0; + iop_base = asc_dvc->iop_base; + + /* + * PCI Command Register + */ + + if (((pci_cmd_reg = DvcAdvReadPCIConfigByte(asc_dvc, + AscPCIConfigCommandRegister)) + & AscPCICmdRegBits_BusMastering) + != AscPCICmdRegBits_BusMastering) + { + pci_cmd_reg |= AscPCICmdRegBits_BusMastering; + + DvcAdvWritePCIConfigByte(asc_dvc, + AscPCIConfigCommandRegister, pci_cmd_reg); + + if (((DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigCommandRegister)) + & AscPCICmdRegBits_BusMastering) + != AscPCICmdRegBits_BusMastering) + { + warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; + } + } + + /* + * PCI Latency Timer + * + * If the "latency timer" register is 0x20 or above, then we don't need + * to change it. Otherwise, set it to 0x20 (i.e. set it to 0x20 if it + * comes up less than 0x20). + */ + if (DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer) < 0x20) { + DvcAdvWritePCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer, 0x20); + if (DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigLatencyTimer) < 0x20) + { + warn_code |= ASC_WARN_SET_PCI_CONFIG_SPACE; + } + } + + /* + * Save the state of the PCI Configuration Command Register + * "Parity Error Response Control" Bit. If the bit is clear (0), + * in AdvInitAsc3550Driver() tell the microcode to ignore DMA + * parity errors. + */ + asc_dvc->cfg->control_flag = 0; + if (((DvcAdvReadPCIConfigByte(asc_dvc, AscPCIConfigCommandRegister) + & AscPCICmdRegBits_ParErrRespCtrl)) == 0) + { + asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR; + } + + asc_dvc->cur_host_qng = 0; + + asc_dvc->cfg->lib_version = (ADV_LIB_VERSION_MAJOR << 8) | + ADV_LIB_VERSION_MINOR; + asc_dvc->cfg->chip_version = + AdvGetChipVersion(iop_base, asc_dvc->bus_type); + + /* + * Reset the chip to start and allow register writes. + */ + if (AdvFindSignature(iop_base) == 0) + { + asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE; + return ADV_ERROR; + } + else { + + AdvResetChip(asc_dvc); + + if ((status = AdvInitFromEEP(asc_dvc)) == ADV_ERROR) + { + return ADV_ERROR; + } + warn_code |= status; + + /* + * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus + * Resets should be performed. + */ + if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) + { + AdvResetSCSIBus(asc_dvc); + } + } + + return warn_code; +} + +/* + * Initialize the ASC3550. + * + * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. + * + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. + */ +ASC_INITFUNC( +int +AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc) +) +{ + AdvPortAddr iop_base; + ushort warn_code; + ulong sum; + int begin_addr; + int end_addr; + int code_sum; + int word; + int rql_addr; /* RISC Queue List address */ + int i; + ushort scsi_cfg1; + uchar biosmem[ASC_MC_BIOSLEN]; /* BIOS RISC Memory 0x40-0x8F. */ + + /* If there is already an error, don't continue. */ + if (asc_dvc->err_code != 0) + { + return ADV_ERROR; + } + + warn_code = 0; + iop_base = asc_dvc->iop_base; + + /* + * Save the RISC memory BIOS region before writing the microcode. + * The BIOS may already be loaded and using its RISC LRAM region + * so its region must be saved and restored. + * + * Note: This code makes the assumption, which is currently true, + * that a chip reset does not clear RISC LRAM. + */ + for (i = 0; i < ASC_MC_BIOSLEN; i++) + { + AdvReadByteLram(iop_base, ASC_MC_BIOSMEM + i, biosmem[i]); + } + + /* + * Load the Microcode + * + * Write the microcode image to RISC memory starting at address 0. + */ + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); + for (word = 0; word < _adv_mcode_size; word += 2) + { + AdvWriteWordAutoIncLram(iop_base, + *((ushort *) (&_adv_mcode_buf[word]))); + } + + /* + * Clear the rest of Condor's Internal RAM (8KB). + */ + for (; word < ADV_CONDOR_MEMSIZE; word += 2) + { + AdvWriteWordAutoIncLram(iop_base, 0); + } + + /* + * Verify the microcode checksum. + */ + sum = 0; + AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0); + for (word = 0; word < _adv_mcode_size; word += 2) + { + sum += AdvReadWordAutoIncLram(iop_base); + } + + if (sum != _adv_mcode_chksum) + { + asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM; + return ADV_ERROR; + } + + /* + * Restore the RISC memory BIOS region. + */ + for (i = 0; i < ASC_MC_BIOSLEN; i++) + { + AdvWriteByteLram(iop_base, ASC_MC_BIOSMEM + i, biosmem[i]); + } + + /* + * Calculate and write the microcode code checksum to the microcode + * code checksum location ASC_MC_CODE_CHK_SUM (0x2C). + */ + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr); + AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr); + code_sum = 0; + for (word = begin_addr; word < end_addr; word += 2) + { + code_sum += *((ushort *) (&_adv_mcode_buf[word])); + } + AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum); + + /* + * Read microcode version and date. + */ + AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE, asc_dvc->cfg->mcode_date); + AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM, asc_dvc->cfg->mcode_version); + + /* + * Initialize microcode operating variables + */ + AdvWriteWordLram(iop_base, ASC_MC_ADAPTER_SCSI_ID, + asc_dvc->chip_scsi_id); + + /* + * If the PCI Configuration Command Register "Parity Error Response + * Control" Bit was clear (0), then set the microcode variable + * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode + * to ignore DMA parity errors. + */ + if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) + { + /* + * Note: Don't remove the use of a temporary variable in + * the following code, otherwise the Microsoft C compiler + * will turn the following lines into a no-op. + */ + AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + word |= CONTROL_FLAG_IGNORE_PERR; + AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word); + } + + /* + * Set default microcode operating variables for WDTR, SDTR, and + * command tag queuing based on the EEPROM configuration values. + * + * These ADV_DVC_VAR fields and the microcode variables will be + * changed in AdvInquiryHandling() if it is found a device is + * incapable of a particular feature. + */ + + /* + * Set the microcode ULTRA target mask from EEPROM value. The + * SDTR target mask overrides the ULTRA target mask in the + * microcode so it is safe to set this value without determining + * whether the device supports SDTR. + * + * Note: There is no way to know whether a device supports ULTRA + * speed without attempting a SDTR ULTRA speed negotiation with + * the device. The device will reject the speed if it does not + * support it by responding with an SDTR message containing a + * slower speed. + */ + AdvWriteWordLram(iop_base, ASC_MC_ULTRA_ABLE, asc_dvc->ultra_able); + AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE, asc_dvc->cfg->disc_enable); + + + /* + * Set SCSI_CFG0 Microcode Default Value. + * + * The microcode will set the SCSI_CFG0 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0, + PARITY_EN | SEL_TMO_LONG | OUR_ID_EN | asc_dvc->chip_scsi_id); + + /* + * Determine SCSI_CFG1 Microcode Default Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + + /* Read current SCSI_CFG1 Register value. */ + scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + + /* + * If all three connectors are in use, return an error. + */ + if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 || + (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) + { + asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION; + return ADV_ERROR; + } + + /* + * If the internal narrow cable is reversed all of the SCSI_CTRL + * register signals will be set. Check for and return an error if + * this condition is found. + */ + if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) + { + asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE; + return ADV_ERROR; + } + + /* + * If this is a differential board and a single-ended device + * is attached to one of the connectors, return an error. + */ + if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) + { + asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE; + return ADV_ERROR; + } + + /* + * If automatic termination control is enabled, then set the + * termination value based on a table listed in a_condor.h. + * + * If manual termination was specified with an EEPROM setting + * then 'termination' was set-up in AdvInitFromEEP() and + * is ready to be 'ored' into SCSI_CFG1. + */ + if (asc_dvc->cfg->termination == 0) + { + /* + * The software always controls termination by setting TERM_CTL_SEL. + * If TERM_CTL_SEL were set to 0, the hardware would set termination. + */ + asc_dvc->cfg->termination |= TERM_CTL_SEL; + + switch(scsi_cfg1 & CABLE_DETECT) + { + /* TERM_CTL_H: on, TERM_CTL_L: on */ + case 0x3: case 0x7: case 0xB: case 0xD: case 0xE: case 0xF: + asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L); + break; + + /* TERM_CTL_H: on, TERM_CTL_L: off */ + case 0x1: case 0x5: case 0x9: case 0xA: case 0xC: + asc_dvc->cfg->termination |= TERM_CTL_H; + break; + + /* TERM_CTL_H: off, TERM_CTL_L: off */ + case 0x2: case 0x6: + break; + } + } + + /* + * Clear any set TERM_CTL_H and TERM_CTL_L bits. + */ + scsi_cfg1 &= ~TERM_CTL; + + /* + * Invert the TERM_CTL_H and TERM_CTL_L bits and then + * set 'scsi_cfg1'. The TERM_POL bit does not need to be + * referenced, because the hardware internally inverts + * the Termination High and Low bits if TERM_POL is set. + */ + scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL)); + + /* + * Set SCSI_CFG1 Microcode Default Value + * + * Set filter value and possibly modified termination control + * bits in the Microcode SCSI_CFG1 Register Value. + * + * The microcode will set the SCSI_CFG1 register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, + FLTR_11_TO_20NS | scsi_cfg1); + + /* + * Set SEL_MASK Microcode Default Value + * + * The microcode will set the SEL_MASK register using this value + * after it is started below. + */ + AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK, + ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id)); + + /* + * Link all the RISC Queue Lists together in a doubly-linked + * NULL terminated list. + * + * Skip the NULL (0) queue which is not used. + */ + for (i = 1, rql_addr = ASC_MC_RISC_Q_LIST_BASE + ASC_MC_RISC_Q_LIST_SIZE; + i < ASC_MC_RISC_Q_TOTAL_CNT; + i++, rql_addr += ASC_MC_RISC_Q_LIST_SIZE) + { + /* + * Set the current RISC Queue List's RQL_FWD and RQL_BWD pointers + * in a one word write and set the state (RQL_STATE) to free. + */ + AdvWriteWordLram(iop_base, rql_addr, ((i + 1) + ((i - 1) << 8))); + AdvWriteByteLram(iop_base, rql_addr + RQL_STATE, ASC_MC_QS_FREE); + } + + /* + * Set the Host and RISC Queue List pointers. + * + * Both sets of pointers are initialized with the same values: + * ASC_MC_RISC_Q_FIRST(0x01) and ASC_MC_RISC_Q_LAST (0xFF). + */ + AdvWriteByteLram(iop_base, ASC_MC_HOST_NEXT_READY, ASC_MC_RISC_Q_FIRST); + AdvWriteByteLram(iop_base, ASC_MC_HOST_NEXT_DONE, ASC_MC_RISC_Q_LAST); + + AdvWriteByteLram(iop_base, ASC_MC_RISC_NEXT_READY, ASC_MC_RISC_Q_FIRST); + AdvWriteByteLram(iop_base, ASC_MC_RISC_NEXT_DONE, ASC_MC_RISC_Q_LAST); + + /* + * Finally, set up the last RISC Queue List (255) with + * a NULL forward pointer. + */ + AdvWriteWordLram(iop_base, rql_addr, (ASC_MC_NULL_Q + ((i - 1) << 8))); + AdvWriteByteLram(iop_base, rql_addr + RQL_STATE, ASC_MC_QS_FREE); + + AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES, + (ADV_INTR_ENABLE_HOST_INTR | ADV_INTR_ENABLE_GLOBAL_INTR)); + + /* + * Note: Don't remove the use of a temporary variable in + * the following code, otherwise the Microsoft C compiler + * will turn the following lines into a no-op. + */ + AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word); + AdvWriteWordRegister(iop_base, IOPW_PC, word); + + /* finally, finally, gentlemen, start your engine */ + AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN); + + return warn_code; +} + +/* + * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and + * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while + * all of this is done. + * + * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR. + * + * For a non-fatal error return a warning code. If there are no warnings + * then 0 is returned. + * + * Note: Chip is stopped on entry. + */ +ASC_INITFUNC( +STATIC int +AdvInitFromEEP(ADV_DVC_VAR *asc_dvc) +) +{ + AdvPortAddr iop_base; + ushort warn_code; + ADVEEP_CONFIG eep_config; + int i; + + iop_base = asc_dvc->iop_base; + + warn_code = 0; + + /* + * Read the board's EEPROM configuration. + * + * Set default values if a bad checksum is found. + */ + if (AdvGetEEPConfig(iop_base, &eep_config) != eep_config.check_sum) + { + warn_code |= ASC_WARN_EEPROM_CHKSUM; + + /* + * Set EEPROM default values. + */ + for (i = 0; i < sizeof(ADVEEP_CONFIG); i++) + { + *((uchar *) &eep_config + i) = + *((uchar *) &Default_EEPROM_Config + i); + } + + /* + * Assume the 6 byte board serial number that was read + * from EEPROM is correct even if the EEPROM checksum + * failed. + */ + eep_config.serial_number_word3 = + AdvReadEEPWord(iop_base, ASC_EEP_DVC_CFG_END - 1); + eep_config.serial_number_word2 = + AdvReadEEPWord(iop_base, ASC_EEP_DVC_CFG_END - 2); + eep_config.serial_number_word1 = + AdvReadEEPWord(iop_base, ASC_EEP_DVC_CFG_END - 3); + AdvSetEEPConfig(iop_base, &eep_config); + } + + /* + * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the + * EEPROM configuration that was read. + * + * This is the mapping of EEPROM fields to Adv Library fields. + */ + asc_dvc->wdtr_able = eep_config.wdtr_able; + asc_dvc->sdtr_able = eep_config.sdtr_able; + asc_dvc->ultra_able = eep_config.ultra_able; + asc_dvc->tagqng_able = eep_config.tagqng_able; + asc_dvc->cfg->disc_enable = eep_config.disc_enable; + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID); + asc_dvc->start_motor = eep_config.start_motor; + asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay; + asc_dvc->cfg->bios_boot_wait = eep_config.bios_boot_delay; + asc_dvc->bios_ctrl = eep_config.bios_ctrl; + asc_dvc->no_scam = eep_config.scam_tolerant; + asc_dvc->cfg->serial1 = eep_config.serial_number_word1; + asc_dvc->cfg->serial2 = eep_config.serial_number_word2; + asc_dvc->cfg->serial3 = eep_config.serial_number_word3; + + /* + * Set the host maximum queuing (max. 253, min. 16) and the per device + * maximum queuing (max. 63, min. 4). + */ + if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) + { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) + { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_host_qng == 0) + { + eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG; + } else + { + eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG; + } + } + + if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) + { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) + { + /* If the value is zero, assume it is uninitialized. */ + if (eep_config.max_dvc_qng == 0) + { + eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG; + } else + { + eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG; + } + } + + /* + * If 'max_dvc_qng' is greater than 'max_host_qng', then + * set 'max_dvc_qng' to 'max_host_qng'. + */ + if (eep_config.max_dvc_qng > eep_config.max_host_qng) + { + eep_config.max_dvc_qng = eep_config.max_host_qng; + } + + /* + * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_CFG 'max_dvc_qng' + * values based on possibly adjusted EEPROM values. + */ + asc_dvc->max_host_qng = eep_config.max_host_qng; + asc_dvc->max_dvc_qng = eep_config.max_dvc_qng; + + + /* + * If the EEPROM 'termination' field is set to automatic (0), then set + * the ADV_DVC_CFG 'termination' field to automatic also. + * + * If the termination is specified with a non-zero 'termination' + * value check that a legal value is set and set the ADV_DVC_CFG + * 'termination' field appropriately. + */ + if (eep_config.termination == 0) + { + asc_dvc->cfg->termination = 0; /* auto termination */ + } else + { + /* Enable manual control with low off / high off. */ + if (eep_config.termination == 1) + { + asc_dvc->cfg->termination = TERM_CTL_SEL; + + /* Enable manual control with low off / high on. */ + } else if (eep_config.termination == 2) + { + asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H; + + /* Enable manual control with low on / high on. */ + } else if (eep_config.termination == 3) + { + asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L; + } else + { + /* + * The EEPROM 'termination' field contains a bad value. Use + * automatic termination instead. + */ + asc_dvc->cfg->termination = 0; + warn_code |= ASC_WARN_EEPROM_TERMINATION; + } + } + + return warn_code; +} + +/* + * Read EEPROM configuration into the specified buffer. + * + * Return a checksum based on the EEPROM configuration read. + */ +ASC_INITFUNC( +STATIC ushort +AdvGetEEPConfig(AdvPortAddr iop_base, ADVEEP_CONFIG *cfg_buf) +) +{ + ushort wval, chksum; + ushort *wbuf; + int eep_addr; + + wbuf = (ushort *) cfg_buf; + chksum = 0; + + for (eep_addr = ASC_EEP_DVC_CFG_BEGIN; + eep_addr < ASC_EEP_DVC_CFG_END; + eep_addr++, wbuf++) + { + wval = AdvReadEEPWord(iop_base, eep_addr); + chksum += wval; + *wbuf = wval; + } + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + wbuf++; + for (eep_addr = ASC_EEP_DVC_CTL_BEGIN; + eep_addr < ASC_EEP_MAX_WORD_ADDR; + eep_addr++, wbuf++) + { + *wbuf = AdvReadEEPWord(iop_base, eep_addr); + } + return chksum; +} + +/* + * Read the EEPROM from specified location + */ +ASC_INITFUNC( +STATIC ushort +AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr) +) +{ + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, + ASC_EEP_CMD_READ | eep_word_addr); + AdvWaitEEPCmd(iop_base); + return AdvReadWordRegister(iop_base, IOPW_EE_DATA); +} + +/* + * Wait for EEPROM command to complete + */ +ASC_INITFUNC( +STATIC void +AdvWaitEEPCmd(AdvPortAddr iop_base) +) +{ + int eep_delay_ms; + + for (eep_delay_ms = 0; eep_delay_ms < ASC_EEP_DELAY_MS; eep_delay_ms++) + { + if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) + { + break; + } + DvcSleepMilliSecond(1); + } + if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) == 0) + { + ADV_ASSERT(0); + } + return; +} + +/* + * Write the EEPROM from 'cfg_buf'. + */ +ASC_INITFUNC( +STATIC void +AdvSetEEPConfig(AdvPortAddr iop_base, ADVEEP_CONFIG *cfg_buf) +) +{ + ushort *wbuf; + ushort addr, chksum; + + wbuf = (ushort *) cfg_buf; + chksum = 0; + + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE); + AdvWaitEEPCmd(iop_base); + + /* + * Write EEPROM from word 0 to word 15 + */ + for (addr = ASC_EEP_DVC_CFG_BEGIN; + addr < ASC_EEP_DVC_CFG_END; addr++, wbuf++) + { + chksum += *wbuf; + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, *wbuf); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + DvcSleepMilliSecond(ASC_EEP_DELAY_MS); + } + + /* + * Write EEPROM checksum at word 18 + */ + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + wbuf++; /* skip over check_sum */ + + /* + * Write EEPROM OEM name at words 19 to 26 + */ + for (addr = ASC_EEP_DVC_CTL_BEGIN; + addr < ASC_EEP_MAX_WORD_ADDR; addr++, wbuf++) + { + AdvWriteWordRegister(iop_base, IOPW_EE_DATA, *wbuf); + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr); + AdvWaitEEPCmd(iop_base); + } + AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE); + AdvWaitEEPCmd(iop_base); + return; +} + +/* + * This function resets the chip and SCSI bus + * + * It is up to the caller to add a delay to let the bus settle after + * calling this function. + * + * The SCSI_CFG0, SCSI_CFG1, and MEM_CFG registers are set-up in + * AdvInitAsc3550Driver(). Here when doing a write to one of these + * registers read first and then write. + * + * Note: A SCSI Bus Reset can not be done until after the EEPROM + * configuration is read to determine whether SCSI Bus Resets + * should be performed. + */ +ASC_INITFUNC( +STATIC void +AdvResetChip(ADV_DVC_VAR *asc_dvc) +) +{ + AdvPortAddr iop_base; + ushort word; + uchar byte; + + iop_base = asc_dvc->iop_base; + + /* + * Reset Chip. + */ + AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET); + DvcSleepMilliSecond(100); + AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_WR_IO_REG); + + /* + * Initialize Chip registers. + * + * Note: Don't remove the use of a temporary variable in the following + * code, otherwise the Microsoft C compiler will turn the following lines + * into a no-op. + */ + byte = AdvReadByteRegister(iop_base, IOPB_MEM_CFG); + byte |= RAM_SZ_8KB; + AdvWriteByteRegister(iop_base, IOPB_MEM_CFG, byte); + + word = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1); + word &= ~BIG_ENDIAN; + AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1, word); + + /* + * Setting the START_CTL_EMFU 3:2 bits sets a FIFO threshold + * of 128 bytes. This register is only accessible to the host. + */ + AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0, + START_CTL_EMFU | READ_CMD_MRM); +} + +/* a_advlib.c */ +/* + * Description: + * Send a SCSI request to the ASC3550 chip + * + * If there is no SG list for the request, set 'sg_entry_cnt' to 0. + * + * If 'sg_real_addr' is non-zero on entry, AscGetSGList() will not be + * called. It is assumed the caller has already initialized 'sg_real_addr'. + * + * Return: + * ADV_SUCCESS(1) - the request is in the mailbox + * ADV_BUSY(0) - total request count > 253, try later + * ADV_ERROR(-1) - invalid scsi request Q + */ +STATIC int +AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, + ADV_SCSI_REQ_Q *scsiq) +{ + if (scsiq == (ADV_SCSI_REQ_Q *) 0L) + { + /* 'scsiq' should never be NULL. */ + ADV_ASSERT(0); + return ADV_ERROR; + } + + return AdvSendScsiCmd(asc_dvc, scsiq); +} + +/* + * Reset SCSI Bus and purge all outstanding requests. + * + * Return Value: + * ADV_TRUE(1) - All requests are purged and SCSI Bus is reset. + * + * Note: Should always return ADV_TRUE. + */ +STATIC int +AdvResetSB(ADV_DVC_VAR *asc_dvc) +{ + int status; + + status = AdvSendIdleCmd(asc_dvc, (ushort) IDLE_CMD_SCSI_RESET, 0L, 0); + + AdvResetSCSIBus(asc_dvc); + + return status; +} + +/* + * Reset SCSI Bus and delay. + */ +STATIC void +AdvResetSCSIBus(ADV_DVC_VAR *asc_dvc) +{ + AdvPortAddr iop_base; + ushort scsi_ctrl; + + iop_base = asc_dvc->iop_base; + + /* + * The microcode currently sets the SCSI Bus Reset signal while + * handling the AscSendIdleCmd() IDLE_CMD_SCSI_RESET command above. + * But the SCSI Bus Reset Hold Time in the microcode is not deterministic + * (it may in fact be for less than the SCSI Spec. minimum of 25 us). + * Therefore on return the Adv Library sets the SCSI Bus Reset signal + * for ASC_SCSI_RESET_HOLD_TIME_US, which is defined to be greater + * than 25 us. + */ + scsi_ctrl = AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL); + AdvWriteWordRegister(iop_base, IOPW_SCSI_CTRL, + scsi_ctrl | ADV_SCSI_CTRL_RSTOUT); + DvcDelayMicroSecond(asc_dvc, (ushort) ASC_SCSI_RESET_HOLD_TIME_US); + AdvWriteWordRegister(iop_base, IOPW_SCSI_CTRL, + scsi_ctrl & ~ADV_SCSI_CTRL_RSTOUT); + + DvcSleepMilliSecond((ulong) asc_dvc->scsi_reset_wait * 1000); +} + + +/* + * Adv Library Interrupt Service Routine + * + * This function is called by a driver's interrupt service routine. + * The function disables and re-enables interrupts. + * + * When a microcode idle command is completed, the ADV_DVC_VAR + * 'idle_cmd_done' field is set to ADV_TRUE. + * + * Note: AdvISR() can be called when interrupts are disabled or even + * when there is no hardware interrupt condition present. It will + * always check for completed idle commands and microcode requests. + * This is an important feature that shouldn't be changed because it + * allows commands to be completed from polling mode loops. + * + * Return: + * ADV_TRUE(1) - interrupt was pending + * ADV_FALSE(0) - no interrupt was pending + */ +STATIC int +AdvISR(ADV_DVC_VAR *asc_dvc) +{ + AdvPortAddr iop_base; + uchar int_stat; + ushort next_done_loc, target_bit; + int completed_q; + int flags; + ADV_SCSI_REQ_Q *scsiq; + ASC_REQ_SENSE *sense_data; + int ret; + + flags = DvcEnterCritical(); + iop_base = asc_dvc->iop_base; + + if (AdvIsIntPending(iop_base)) + { + ret = ADV_TRUE; + } else + { + ret = ADV_FALSE; + } + + /* Reading the register clears the interrupt. */ + int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG); + + if (int_stat & ADV_INTR_STATUS_INTRB) + { + asc_dvc->idle_cmd_done = ADV_TRUE; + } + + /* + * Notify the driver of a hardware detected SCSI Bus Reset. + */ + if (int_stat & ADV_INTR_STATUS_INTRC) + { + if (asc_dvc->sbreset_callback != 0) + { + (*(ADV_SBRESET_CALLBACK) asc_dvc->sbreset_callback)(asc_dvc); + } + } + + /* + * ASC_MC_HOST_NEXT_DONE (0x129) is actually the last completed RISC + * Queue List request. Its forward pointer (RQL_FWD) points to the + * current completed RISC Queue List request. + */ + AdvReadByteLram(iop_base, ASC_MC_HOST_NEXT_DONE, next_done_loc); + next_done_loc = ASC_MC_RISC_Q_LIST_BASE + + (next_done_loc * ASC_MC_RISC_Q_LIST_SIZE) + RQL_FWD; + + AdvReadByteLram(iop_base, next_done_loc, completed_q); + + /* Loop until all completed Q's are processed. */ + while (completed_q != ASC_MC_NULL_Q) + { + AdvWriteByteLram(iop_base, ASC_MC_HOST_NEXT_DONE, completed_q); + + next_done_loc = ASC_MC_RISC_Q_LIST_BASE + + (completed_q * ASC_MC_RISC_Q_LIST_SIZE); + + /* + * Read the ADV_SCSI_REQ_Q virtual address pointer from + * the RISC list entry. The microcode has changed the + * ADV_SCSI_REQ_Q physical address to its virtual address. + * + * Refer to comments at the end of AdvSendScsiCmd() for + * more information on the RISC list structure. + */ + { + ushort lsw, msw; + AdvReadWordLram(iop_base, next_done_loc + RQL_PHYADDR, lsw); + AdvReadWordLram(iop_base, next_done_loc + RQL_PHYADDR + 2, msw); + + scsiq = (ADV_SCSI_REQ_Q *) (((ulong) msw << 16) | lsw); + } + ADV_ASSERT(scsiq != NULL); + + target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id); + + /* + * Clear request microcode control flag. + */ + scsiq->cntl = 0; + + /* + * Check Condition handling + */ + if ((scsiq->done_status == QD_WITH_ERROR) && + (scsiq->scsi_status == SS_CHK_CONDITION) && + (sense_data = (ASC_REQ_SENSE *) scsiq->vsense_addr) != 0 && + (scsiq->orig_sense_len - scsiq->sense_len) >= ASC_MIN_SENSE_LEN) + { + /* + * Command returned with a check condition and valid + * sense data. + */ + } + /* + * If the command that completed was a SCSI INQUIRY and + * LUN 0 was sent the command, then process the INQUIRY + * command information for the device. + */ + else if (scsiq->done_status == QD_NO_ERROR && + scsiq->cdb[0] == SCSICMD_Inquiry && + scsiq->target_lun == 0) + { + AdvInquiryHandling(asc_dvc, scsiq); + } + + + /* Change the RISC Queue List state to free. */ + AdvWriteByteLram(iop_base, next_done_loc + RQL_STATE, ASC_MC_QS_FREE); + + /* Get the RISC Queue List forward pointer. */ + AdvReadByteLram(iop_base, next_done_loc + RQL_FWD, completed_q); + + /* + * Notify the driver of the completed request by passing + * the ADV_SCSI_REQ_Q pointer to its callback function. + */ + ADV_ASSERT(asc_dvc->cur_host_qng > 0); + asc_dvc->cur_host_qng--; + scsiq->a_flag |= ADV_SCSIQ_DONE; + (*(ADV_ISR_CALLBACK) asc_dvc->isr_callback)(asc_dvc, scsiq); + /* + * Note: After the driver callback function is called, 'scsiq' + * can no longer be referenced. + * + * Fall through and continue processing other completed + * requests... + */ + + /* + * Disable interrupts again in case the driver inadvertently + * enabled interrupts in its callback function. + * + * The DvcEnterCritical() return value is ignored, because + * the 'flags' saved when AdvISR() was first entered will be + * used to restore the interrupt flag on exit. + */ + (void) DvcEnterCritical(); + } + DvcLeaveCritical(flags); + return ret; +} + +/* + * Send an idle command to the chip and wait for completion. + * + * Interrupts do not have to be enabled on entry. + * + * Return Values: + * ADV_TRUE - command completed successfully + * ADV_FALSE - command failed + */ +STATIC int +AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc, + ushort idle_cmd, + ulong idle_cmd_parameter, + int flags) +{ + int last_int_level; + ulong i; + AdvPortAddr iop_base; + int ret; + + asc_dvc->idle_cmd_done = 0; + + last_int_level = DvcEnterCritical(); + iop_base = asc_dvc->iop_base; + + /* + * Write the idle command value after the idle command parameter + * has been written to avoid a race condition. If the order is not + * followed, the microcode may process the idle command before the + * parameters have been written to LRAM. + */ + AdvWriteDWordLram(iop_base, ASC_MC_IDLE_PARA_STAT, idle_cmd_parameter); + AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd); + DvcLeaveCritical(last_int_level); + + /* + * If the 'flags' argument contains the ADV_NOWAIT flag, then + * return with success. + */ + if (flags & ADV_NOWAIT) + { + return ADV_TRUE; + } + + for (i = 0; i < SCSI_WAIT_10_SEC * SCSI_MS_PER_SEC; i++) + { + /* + * 'idle_cmd_done' is set by AdvISR(). + */ + if (asc_dvc->idle_cmd_done) + { + break; + } + DvcSleepMilliSecond(1); + + /* + * If interrupts were disabled on entry to AdvSendIdleCmd(), + * then they will still be disabled here. Call AdvISR() to + * check for the idle command completion. + */ + (void) AdvISR(asc_dvc); + } + + last_int_level = DvcEnterCritical(); + + if (asc_dvc->idle_cmd_done == ADV_FALSE) + { + ADV_ASSERT(0); /* The idle command should never timeout. */ + return ADV_FALSE; + } else + { + AdvReadWordLram(iop_base, ASC_MC_IDLE_PARA_STAT, ret); + return ret; + } +} + +/* + * Send the SCSI request block to the adapter + * + * Each of the 255 Adv Library/Microcode RISC Lists or mailboxes has the + * following structure: + * + * 0: RQL_FWD - RISC list forward pointer (1 byte) + * 1: RQL_BWD - RISC list backward pointer (1 byte) + * 2: RQL_STATE - RISC list state byte - free, ready, done, aborted (1 byte) + * 3: RQL_TID - request target id (1 byte) + * 4: RQL_PHYADDR - ADV_SCSI_REQ_Q physical pointer (4 bytes) + * + * Return: + * ADV_SUCCESS(1) - the request is in the mailbox + * ADV_BUSY(0) - total request count > 253, try later + */ +STATIC int +AdvSendScsiCmd( + ADV_DVC_VAR *asc_dvc, + ADV_SCSI_REQ_Q *scsiq) +{ + ushort next_ready_loc; + uchar next_ready_loc_fwd; + int last_int_level; + AdvPortAddr iop_base; + long req_size; + ulong q_phy_addr; + + /* + * The ADV_SCSI_REQ_Q 'target_id' field should never be equal + * to the host adapter ID or exceed ADV_MAX_TID. + */ + if (scsiq->target_id == asc_dvc->chip_scsi_id || + scsiq->target_id > ADV_MAX_TID) + { + scsiq->host_status = QHSTA_M_INVALID_DEVICE; + scsiq->done_status = QD_WITH_ERROR; + return ADV_ERROR; + } + + iop_base = asc_dvc->iop_base; + + last_int_level = DvcEnterCritical(); + + if (asc_dvc->cur_host_qng >= asc_dvc->max_host_qng) + { + DvcLeaveCritical(last_int_level); + return ADV_BUSY; + } else + { + ADV_ASSERT(asc_dvc->cur_host_qng < ASC_MC_RISC_Q_TOTAL_CNT); + asc_dvc->cur_host_qng++; + } + + /* + * Clear the ADV_SCSI_REQ_Q done flag. + */ + scsiq->a_flag &= ~ADV_SCSIQ_DONE; + + /* + * Save the original sense buffer length. + * + * After the request completes 'sense_len' will be set to the residual + * byte count of the Auto-Request Sense if a command returns CHECK + * CONDITION and the Sense Data is valid indicated by 'host_status' not + * being set to QHSTA_M_AUTO_REQ_SENSE_FAIL. To determine the valid + * Sense Data Length subtract 'sense_len' from 'orig_sense_len'. + */ + scsiq->orig_sense_len = scsiq->sense_len; + + AdvReadByteLram(iop_base, ASC_MC_HOST_NEXT_READY, next_ready_loc); + next_ready_loc = ASC_MC_RISC_Q_LIST_BASE + + (next_ready_loc * ASC_MC_RISC_Q_LIST_SIZE); + + /* + * Write the physical address of the Q to the mailbox. + * We need to skip the first four bytes, because the microcode + * uses them internally for linking Q's together. + */ + req_size = sizeof(ADV_SCSI_REQ_Q); + q_phy_addr = DvcGetPhyAddr(asc_dvc, scsiq, + (uchar *) scsiq, &req_size, + ADV_IS_SCSIQ_FLAG); + ADV_ASSERT(ADV_DWALIGN(q_phy_addr) == q_phy_addr); + ADV_ASSERT(req_size >= sizeof(ADV_SCSI_REQ_Q)); + + scsiq->scsiq_ptr = (ADV_SCSI_REQ_Q *) scsiq; + + /* + * The RISC list structure, which 'next_ready_loc' is a pointer + * to in microcode LRAM, has the format detailed in the comment + * header for this function. + * + * Write the ADV_SCSI_REQ_Q physical pointer to 'next_ready_loc' request. + */ + AdvWriteDWordLram(iop_base, next_ready_loc + RQL_PHYADDR, q_phy_addr); + + /* Write target_id to 'next_ready_loc' request. */ + AdvWriteByteLram(iop_base, next_ready_loc + RQL_TID, scsiq->target_id); + + /* + * Set the ASC_MC_HOST_NEXT_READY (0x128) microcode variable to + * the 'next_ready_loc' request forward pointer. + * + * Do this *before* changing the 'next_ready_loc' queue to QS_READY. + * After the state is changed to QS_READY 'RQL_FWD' will be changed + * by the microcode. + * + * NOTE: The temporary variable 'next_ready_loc_fwd' is required to + * prevent some compilers from optimizing out 'AdvReadByteLram()' if + * it were used as the 3rd argument to 'AdvWriteByteLram()'. + */ + AdvReadByteLram(iop_base, next_ready_loc + RQL_FWD, next_ready_loc_fwd); + AdvWriteByteLram(iop_base, ASC_MC_HOST_NEXT_READY, next_ready_loc_fwd); + + /* + * Change the state of 'next_ready_loc' request from QS_FREE to + * QS_READY which will cause the microcode to pick it up and + * execute it. + * + * Can't reference 'next_ready_loc' after changing the request + * state to QS_READY. The microcode now owns the request. + */ + AdvWriteByteLram(iop_base, next_ready_loc + RQL_STATE, ASC_MC_QS_READY); + + DvcLeaveCritical(last_int_level); + return ADV_SUCCESS; +} + +/* + * Inquiry Information Byte 7 Handling + * + * Handle SCSI Inquiry Command information for a device by setting + * microcode operating variables that affect WDTR, SDTR, and Tag + * Queuing. + */ +STATIC void +AdvInquiryHandling( + ADV_DVC_VAR *asc_dvc, + ADV_SCSI_REQ_Q *scsiq) +{ + AdvPortAddr iop_base; + uchar tid; + ASC_SCSI_INQUIRY *inq; + ushort tidmask; + ushort cfg_word; + + /* + * AdvInquiryHandling() requires up to INQUIRY information Byte 7 + * to be available. + * + * If less than 8 bytes of INQUIRY information were requested or less + * than 8 bytes were transferred, then return. cdb[4] is the request + * length and the ADV_SCSI_REQ_Q 'data_cnt' field is set by the + * microcode to the transfer residual count. + */ + if (scsiq->cdb[4] < 8 || (scsiq->cdb[4] - scsiq->data_cnt) < 8) + { + return; + } + + iop_base = asc_dvc->iop_base; + tid = scsiq->target_id; + inq = (ASC_SCSI_INQUIRY *) scsiq->vdata_addr; + + /* + * WDTR, SDTR, and Tag Queuing cannot be enabled for old devices. + */ + if (inq->byte3.rsp_data_fmt < 2 && inq->byte2.ansi_apr_ver < 2) + { + return; + } else + { + /* + * INQUIRY Byte 7 Handling + * + * Use a device's INQUIRY byte 7 to determine whether it + * supports WDTR, SDTR, and Tag Queuing. If the feature + * is enabled in the EEPROM and the device supports the + * feature, then enable it in the microcode. + */ + + tidmask = ADV_TID_TO_TIDMASK(tid); + + /* + * Wide Transfers + * + * If the EEPROM enabled WDTR for the device and the device + * supports wide bus (16 bit) transfers, then turn on the + * device's 'wdtr_able' bit and write the new value to the + * microcode. + */ + if ((asc_dvc->wdtr_able & tidmask) && inq->byte7.WBus16) + { + AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word); + if ((cfg_word & tidmask) == 0) + { + cfg_word |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word); + + /* + * Clear the microcode "WDTR negotiation" done indicator + * for the target to cause it to negotiate with the new + * setting set above. + */ + AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word); + cfg_word &= ~tidmask; + AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word); + } + } + + /* + * Synchronous Transfers + * + * If the EEPROM enabled SDTR for the device and the device + * supports synchronous transfers, then turn on the device's + * 'sdtr_able' bit. Write the new value to the microcode. + */ + if ((asc_dvc->sdtr_able & tidmask) && inq->byte7.Sync) + { + AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word); + if ((cfg_word & tidmask) == 0) + { + cfg_word |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word); + + /* + * Clear the microcode "SDTR negotiation" done indicator + * for the target to cause it to negotiate with the new + * setting set above. + */ + AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); + cfg_word &= ~tidmask; + AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word); + } + } + + /* + * If the EEPROM enabled Tag Queuing for device and the + * device supports Tag Queuing, then turn on the device's + * 'tagqng_enable' bit in the microcode and set the microcode + * maximum command count to the ADV_DVC_VAR 'max_dvc_qng' + * value. + * + * Tag Queuing is disabled for the BIOS which runs in polled + * mode and would see no benefit from Tag Queuing. Also by + * disabling Tag Queuing in the BIOS devices with Tag Queuing + * bugs will at least work with the BIOS. + */ + if ((asc_dvc->tagqng_able & tidmask) && inq->byte7.CmdQue) + { + AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word); + cfg_word |= tidmask; + AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word); + AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid, + asc_dvc->max_dvc_qng); + } + } +} |