diff options
Diffstat (limited to 'i386')
| -rw-r--r-- | i386/bogus/hd.h | 1 | ||||
| -rw-r--r-- | i386/i386at/autoconf.c | 25 | ||||
| -rw-r--r-- | i386/i386at/conf.c | 38 | ||||
| -rw-r--r-- | i386/i386at/nhd.c | 1430 | ||||
| -rw-r--r-- | i386/i386at/nhdreg.h | 120 |
5 files changed, 0 insertions, 1614 deletions
diff --git a/i386/bogus/hd.h b/i386/bogus/hd.h deleted file mode 100644 index fadba18..0000000 --- a/i386/bogus/hd.h +++ /dev/null @@ -1 +0,0 @@ -#define NHD 4 diff --git a/i386/i386at/autoconf.c b/i386/i386at/autoconf.c index 8542a96..77d825e 100644 --- a/i386/i386at/autoconf.c +++ b/i386/i386at/autoconf.c @@ -47,12 +47,6 @@ #define SPL_TTY (vm_offset_t)SPLTTY -#include <hd.h> -#if NHD > 0 -extern struct bus_driver hddriver; -extern int hdintr(); -#endif /* NHD */ - #include <fd.h> #if NFD > 0 extern struct bus_driver fddriver; @@ -137,14 +131,6 @@ struct bus_ctlr bus_master_init[] = { adaptor alive flags spl pic */ #ifndef LINUX_DEV -#if NHD > 0 - {&hddriver, "hdc", 0, hdintr, 0x1f0, 8, 0x1f0, - '?', 0, 0, SPL_FIVE, 14}, - - {&hddriver, "hdc", 1, hdintr, 0x170, 8, 0x170, - '?', 0, 0, SPL_FIVE, 15}, -#endif /* NHD > 0 */ - #if NAHA > 0 {&aha_driver, "ahac", 0, aha_intr, 0x330, 4, 0x330, '?', 0, 0, SPL_FIVE, 11}, @@ -230,17 +216,6 @@ struct bus_device bus_device_init[] = { adaptor alive ctlr slave flags *mi *next sysdep sysdep */ #ifndef LINUX_DEV -#if NHD > 0 - {&hddriver, "hd", 0, hdintr, 0x104, 8, 0x1f0, - '?', 0, 0, 0, 0, 0, 0, SPL_FIVE, 14}, - {&hddriver, "hd", 1, hdintr, 0x118, 8, 0x1f0, - '?', 0, 0, 1, 0, 0, 0, SPL_FIVE, 14}, - {&hddriver, "hd", 2, hdintr, 0x104, 8, 0x170, /*??*/ - '?', 0, 1, 0, 0, 0, 0, SPL_FIVE, 15}, - {&hddriver, "hd", 3, hdintr, 0x118, 8, 0x170, - '?', 0, 1, 1, 0, 0, 0, SPL_FIVE, 15}, -#endif /* NHD > 0 */ - #if NAHA > 0 { &aha_driver, "rz", 0, 0, 0x0,0, 0, '?', 0, 0, 0, 0, }, { &aha_driver, "rz", 1, 0, 0x0,0, 0, '?', 0, 0, 1, 0, }, diff --git a/i386/i386at/conf.c b/i386/i386at/conf.c index 40df714..704d24f 100644 --- a/i386/i386at/conf.c +++ b/i386/i386at/conf.c @@ -36,19 +36,6 @@ extern int timeopen(), timeclose(); extern vm_offset_t timemmap(); #define timename "time" -#include <hd.h> -#if NHD > 0 -extern int hdopen(), hdclose(), hdread(), hdwrite(); -extern int hdgetstat(), hdsetstat(), hddevinfo(); -#define hdname "hd" - -#if 0 -extern int pchdopen(),pchdread(),pchdwrite(),pchdgetstat(),pchdsetstat(); -#define pchdname "pchd" -#endif - -#endif /* NHD > 0 */ - #include <aha.h> #if NAHA > 0 int rz_open(), rz_close(), rz_read(), rz_write(); @@ -214,13 +201,6 @@ struct dev_ops dev_name_list[] = nodev }, #ifndef LINUX_DEV -#if NHD > 0 - { hdname, hdopen, hdclose, hdread, - hdwrite, hdgetstat, hdsetstat, nomap, - nodev, nulldev, nulldev, 1024, - hddevinfo }, -#endif /* NHD > 0 */ - #if NAHA > 0 { rzname, rz_open, rz_close, rz_read, rz_write, rz_get_status, rz_set_status, nomap, @@ -367,24 +347,6 @@ struct dev_ops dev_name_list[] = nodev, nulldev, nulldev, 0, nodev }, -#if 0 -#if NHD > 0 - { pchdname, pchdopen, hdclose, pchdread, - pchdwrite, pchdgetstat, pchdsetstat, nomap, - nodev, nulldev, nulldev, 16, - hddevinfo }, -#endif /* NHD > 0 */ -#endif - -#if 0 -#if NHD > 0 - { hdname, hdopen, hdclose, hdread, - hdwrite, hdgetstat, hdsetstat, nomap, - nodev, nulldev, nulldev, 16, - hddevinfo }, -#endif /* NHD > 0 */ -#endif /* Kevin doesn't know why this was here. */ - #ifdef MACH_KMSG { kmsgname, kmsgopen, kmsgclose, kmsgread, nodev, kmsggetstat, nodev, nomap, diff --git a/i386/i386at/nhd.c b/i386/i386at/nhd.c deleted file mode 100644 index 72b4cfc..0000000 --- a/i386/i386at/nhd.c +++ /dev/null @@ -1,1430 +0,0 @@ -/* - * Copyright (c) 1994 Shantanu Goel - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * THE AUTHOR ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. THE AUTHOR DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * MODIFIED BY KEVIN T. VAN MAREN, University of Utah, CSL - * Copyright (c) 1996, University of Utah, CSL - * - * Uses a 'unified' partition code with the SCSI driver. - * Reading/Writing disklabels through the kernel is NOT recommended. - * (The preferred method is through the raw device (wd0), with no - * open partitions). setdisklabel() should work for the in-core - * fudged disklabel, but will not change the partitioning. The driver - * *never* sees the disklabel on the disk. - * - */ - - -#include <hd.h> -#if NHD > 0 && !defined(LINUX_DEV) -/* - * Hard disk driver. - * - * Supports: - * 1 controller and 2 drives. - * Arbitrarily sized read/write requests. - * Misaligned requests. - * Multiple sector transfer mode (not tested extensively). - * - * TODO: - * 1) Real probe routines for controller and drives. - * 2) Support for multiple controllers. The driver does - * not assume a single controller since all functions - * take the controller and/or device structure as an - * argument, however the probe routines limit the - * number of controllers and drives to 1 and 2 respectively. - * - * Shantanu Goel (goel@cs.columbia.edu) - */ -#include <sys/types.h> -#include <sys/ioctl.h> -#include "vm_param.h" -#include <kern/time_out.h> -#include <vm/vm_kern.h> -#include <vm/pmap.h> -#include <device/param.h> -#include <device/buf.h> -#include <device/errno.h> -#include <device/device_types.h> -#include <device/disk_status.h> -#include <chips/busses.h> -#include <i386/machspl.h> -#include <i386/pio.h> -#include <i386at/cram.h> -#include <i386at/disk.h> -#include <i386at/nhdreg.h> - -#include <scsi/rz_labels.h> - - -/* this is for the partition code */ -typedef struct ide_driver_info { - dev_t dev; -/* struct buf *bp; */ - int sectorsize; -} ide_driver_info; - -#define MAX_IDE_PARTS 32 /* max partitions per drive */ -static char *drive_name[4]={"wd0: ","wd1: ","xxx ","yyy "}; - -/* - * XXX: This will have to be fixed for controllers that - * can support upto 4 drives. - */ -#define NDRIVES_PER_HDC 2 -#define NHDC ((NHD + NDRIVES_PER_HDC - 1) / NDRIVES_PER_HDC) - -#define b_cylin b_resid - -#define B_ABS B_MD1 -#define B_IDENTIFY (B_MD1 << 1) - -/* shift right SLICE_BITS + PARTITION_BITS. Note: 2^10 = 1024 sub-parts */ -#define hdunit(dev) (((dev) >> 10) & 3) -#define hdpart(dev) ((dev) & 0x3ff) - -#define MAX_RETRIES 12 /* maximum number of retries */ -#define OP_TIMEOUT 7 /* time to wait (secs) for an operation */ - -/* - * Autoconfiguration stuff. - */ -struct bus_ctlr *hdminfo[NHDC]; -struct bus_device *hddinfo[NHD]; -int hdstd[] = { 0 }; -int hdprobe(), hdslave(), hdstrategy(); -void hdattach(); -struct bus_driver hddriver = { - hdprobe, hdslave, hdattach, 0, hdstd, "hd", hddinfo, "hdc", hdminfo, 0 -}; - -/* - * BIOS geometry. - */ -struct hdbios { - int bg_ncyl; /* cylinders/unit */ - int bg_ntrk; /* tracks/cylinder */ - int bg_precomp; /* write precomp cylinder */ - int bg_nsect; /* sectors/track */ -} hdbios[NHD]; - -/* - * Controller state. - */ -struct hdcsoftc { - int sc_state; /* transfer fsm */ - caddr_t sc_addr; /* buffer address */ - int sc_resid; /* amount left to transfer */ - int sc_amt; /* amount currently being transferred */ - int sc_cnt; /* amount transferred per interrupt */ - int sc_sn; /* sector number */ - int sc_tn; /* track number */ - int sc_cn; /* cylinder number */ - int sc_recalerr; /* # recalibration errors */ - int sc_ioerr; /* # i/o errors */ - int sc_wticks; /* watchdog */ - caddr_t sc_buf; /* buffer for unaligned requests */ -} hdcsoftc[NHDC]; - -/* - * Transfer states. - */ -#define IDLE 0 /* controller is idle */ -#define SETPARAM 1 /* set disk parameters */ -#define SETPARAMDONE 2 /* set parameters done */ -#define RESTORE 3 /* recalibrate drive */ -#define RESTOREDONE 4 /* recalibrate done */ -#define TRANSFER 5 /* perform I/O transfer */ -#define TRANSFERDONE 6 /* transfer done */ -#define IDENTIFY 7 /* get drive info */ -#define IDENTIFYDONE 8 /* get drive info done */ -#define SETMULTI 9 /* set multiple mode count */ -#define SETMULTIDONE 10 /* set multiple mode count done */ - -/* - * Drive state. - */ -struct hdsoftc { - int sc_flags; -#define HDF_SETPARAM 0x001 /* set drive parameters before I/O operation */ -#define HDF_RESTORE 0x002 /* drive needs recalibration */ -#define HDF_WANT 0x004 /* some one is waiting for drive */ -#define HDF_UNALIGNED 0x008 /* request is not a multiple of sector size */ -#define HDF_SETMULTI 0x010 /* set multiple count before I/O operation */ -#define HDF_MULTIDONE 0x020 /* multicnt field is valid */ -#define HDF_IDENTDONE 0x040 /* identify command done */ -#define HDF_LBA 0x080 /* use LBA mode */ - int sc_multicnt; /* current multiple count */ - int sc_abssn; /* absolute sector number (for {RD,WR}ABS) */ - int sc_abscnt; /* absolute sector count */ - int sc_openpart; /* bit mask of open partitions */ - struct hdident sc_id; /* info returned by identify */ -} hdsoftc[NHD]; - -struct buf hdtab[NHDC]; /* controller queues */ -struct buf hdutab[NHD]; /* drive queues */ -struct disklabel hdlabel[NHD]; /* disklabels -- incorrect info! */ -struct diskpart array[NHD*MAX_IDE_PARTS]; /* partition info */ - -/* - * To enable multiple mode, - * set this, recompile, and reboot the machine. - */ -int hdenmulti = 0; - -char *hderrchk(); -struct buf *geteblk(); -int hdwstart = 0; -void hdwatch(); - -/* - * Probe for a controller. - */ -int -hdprobe(xxx, um) - int xxx; - struct bus_ctlr *um; -{ - struct hdcsoftc *hdc; - - if (um->unit >= NHDC) { - printf("hdc%d: not configured\n", um->unit); - return (0); - } - if (um->unit > 0) { /* XXX: only 1 controller */ - - printf("nhd:probe for 2+ controllers -- not implemented\n"); - return (0); - } - - /* - * XXX: need real probe - */ - hdc = &hdcsoftc[um->unit]; - if (!hdc->sc_buf) - kmem_alloc(kernel_map, - (vm_offset_t *)&hdc->sc_buf, I386_PGBYTES); - take_ctlr_irq(um); - return (1); -} - -/* - * Probe for a drive. - */ -int -hdslave(ui) - struct bus_device *ui; -{ - int type; - - if (ui->unit >= NHD) { - printf("hd%d: not configured\n", ui->unit); - return (0); - } - if (ui->unit > 1) /* XXX: only 2 drives */ - return (0); - - /* - * Find out if drive exists by reading CMOS. - */ - outb(CMOS_ADDR, 0x12); - type = inb(CMOS_DATA); - if (ui->unit == 0) - type >>= 4; - type &= 0x0f; - return (type); -} - -/* - * Attach a drive to the system. - */ -void -hdattach(ui) - struct bus_device *ui; -{ - char *tbl; - unsigned n; - /* struct hdsoftc *sc = &hdsoftc[ui->unit]; */ - struct disklabel *lp = &hdlabel[ui->unit]; - struct hdbios *bg = &hdbios[ui->unit]; - - /* - * Set up a temporary disklabel from BIOS parameters. - * The actual partition table will be read during open. - */ - n = *(unsigned *)phystokv(ui->address); - tbl = (unsigned char *)phystokv((n & 0xffff) + ((n >> 12) & 0xffff0)); - bg->bg_ncyl = *(unsigned short *)tbl; - bg->bg_ntrk = *(unsigned char *)(tbl + 2); - bg->bg_precomp = *(unsigned short *)(tbl + 5); - bg->bg_nsect = *(unsigned char *)(tbl + 14); - fudge_bsd_label(lp, DTYPE_ESDI, bg->bg_ncyl*bg->bg_ntrk*bg->bg_nsect, - bg->bg_ntrk, bg->bg_nsect, SECSIZE, 3); - - /* FORCE sector size to 512... */ - - printf(": ntrak(heads) %d, ncyl %d, nsec %d, size %u MB", - lp->d_ntracks, lp->d_ncylinders, lp->d_nsectors, - lp->d_secperunit * lp->d_secsize / (1024*1024)); -} - -int -hdopen(dev, mode) - dev_t dev; - int mode; -{ - int unit = hdunit(dev), part = hdpart(dev) /*, error */; - struct bus_device *ui; - struct hdsoftc *sc; - struct diskpart *label; - - if (unit >= NHD || (ui = hddinfo[unit]) == 0 || ui->alive == 0) - return (ENXIO); - if (!hdwstart) { - hdwstart++; - timeout(hdwatch, 0, hz); - } - sc = &hdsoftc[unit]; - /* should this be changed so only gets called once, even if all - partitions are closed and re-opened? */ - if (sc->sc_openpart == 0) { - hdinit(dev); - if (sc->sc_flags & HDF_LBA) - printf("hd%d: Using LBA mode\n", ui->unit); - } - -/* Note: should set a bit in the label structure to ensure that - aliasing prevents multiple instances to be opened. */ -#if 0 - if (part >= MAXPARTITIONS || lp->d_partitions[part].p_size == 0) - return (ENXIO); -#endif 0 - - label=lookup_part(&array[MAX_IDE_PARTS*unit], hdpart(dev)); - if (!label) - return (ENXIO); - - - sc->sc_openpart |= 1 << part; - return (0); -} - -int -hdclose(dev) - dev_t dev; -{ - int unit = hdunit(dev), s; - struct hdsoftc *sc = &hdsoftc[unit]; - - sc->sc_openpart &= ~(1 << hdpart(dev)); - if (sc->sc_openpart == 0) { - s = splbio(); - while (hdutab[unit].b_active) { - sc->sc_flags |= HDF_WANT; - assert_wait((event_t)sc, FALSE); - thread_block((void (*)())0); - } - splx(s); - } - return (0); -} - -int -hdread(dev, ior) - dev_t dev; - io_req_t ior; -{ - return (block_io(hdstrategy, minphys, ior)); -} - -int -hdwrite(dev, ior) - dev_t dev; - io_req_t ior; -{ - return (block_io(hdstrategy, minphys, ior)); -} - -int -hdgetstat(dev, flavor, data, count) - dev_t dev; - dev_flavor_t flavor; - dev_status_t data; - mach_msg_type_number_t *count; -{ - int unit = hdunit(dev), part = hdpart(dev); - struct hdsoftc *sc = &hdsoftc[unit]; - struct disklabel *lp = &hdlabel[unit]; - struct buf *bp; - struct diskpart *label; - - label=lookup_part(&array[MAX_IDE_PARTS*unit], hdpart(dev)); - switch (flavor) { - - case DEV_GET_SIZE: - if (label) { - data[DEV_GET_SIZE_DEVICE_SIZE] = (label->size * lp->d_secsize); - data[DEV_GET_SIZE_RECORD_SIZE] = lp->d_secsize; - *count = DEV_GET_SIZE_COUNT; - } else { /* Kevin: added checking here */ - data[DEV_GET_SIZE_DEVICE_SIZE] = 0; - data[DEV_GET_SIZE_RECORD_SIZE] = 0; - *count = 0; - } - break; - - case DIOCGDINFO: - case DIOCGDINFO - (0x10 << 16): - dkgetlabel(lp, flavor, data, count); - break; - - case V_GETPARMS: - { - struct disk_parms *dp; - struct hdbios *bg = &hdbios[unit]; - - if (*count < (sizeof(struct disk_parms) / sizeof(int))) - return (D_INVALID_OPERATION); - dp = (struct disk_parms *)data; - dp->dp_type = DPT_WINI; - dp->dp_heads = lp->d_ntracks; - dp->dp_cyls = lp->d_ncylinders; - dp->dp_sectors = lp->d_nsectors; - dp->dp_dosheads = bg->bg_ntrk; - dp->dp_doscyls = bg->bg_ncyl; - dp->dp_dossectors = bg->bg_nsect; - dp->dp_secsiz = lp->d_secsize; - dp->dp_ptag = 0; - dp->dp_pflag = 0; - if (label) { - dp->dp_pstartsec = label->start; - dp->dp_pnumsec = label->size; - } else { /* added by Kevin */ - dp->dp_pstartsec = -1; - dp->dp_pnumsec = -1; - } - - *count = sizeof(struct disk_parms) / sizeof(int); - break; - } - case V_RDABS: - if (*count < lp->d_secsize / sizeof(int)) { - printf("hd%d: RDABS, bad size %d\n", unit, *count); - return (EINVAL); - } - bp = geteblk(lp->d_secsize); - bp->b_flags = B_READ | B_ABS; - bp->b_blkno = sc->sc_abssn; - bp->b_dev = dev; - bp->b_bcount = lp->d_secsize; - hdstrategy(bp); - biowait(bp); - if (bp->b_flags & B_ERROR) { - printf("hd%d: RDABS failed\n", unit); - brelse(bp); - return (EIO); - } - bcopy(bp->b_un.b_addr, (caddr_t)data, lp->d_secsize); - brelse(bp); - *count = lp->d_secsize / sizeof(int); - break; - - case V_VERIFY: - { - int i, amt, n, error = 0; - - bp = geteblk(I386_PGBYTES); - bp->b_blkno = sc->sc_abssn; - bp->b_dev = dev; - amt = sc->sc_abscnt; - n = I386_PGBYTES / lp->d_secsize; - while (amt > 0) { - i = (amt > n) ? n : amt; - bp->b_bcount = i * lp->d_secsize; - bp->b_flags = B_READ | B_ABS; - hdstrategy(bp); - biowait(bp); - if (bp->b_flags & B_ERROR) { - error = BAD_BLK; - break; - } - amt -= bp->b_bcount; - bp->b_blkno += i; - } - brelse(bp); - data[0] = error; - *count = 1; - break; - } - default: - return (D_INVALID_OPERATION); - } - return (0); -} - -int -hdsetstat(dev, flavor, data, count) - dev_t dev; - dev_flavor_t flavor; - dev_status_t data; - mach_msg_type_number_t count; -{ - int unit = hdunit(dev); /* , part = hdpart(dev); */ - int error = 0 /*, s */; - struct hdsoftc *sc = &hdsoftc[unit]; - struct disklabel *lp = &hdlabel[unit]; - struct buf *bp; - - switch (flavor) { - - case DIOCWLABEL: - case DIOCWLABEL - (0x10 << 16): - break; - - case DIOCSDINFO: - case DIOCSDINFO - (0x10 << 16): - if (count != (sizeof(struct disklabel) / sizeof(int))) - return (D_INVALID_SIZE); - error = setdisklabel(lp, (struct disklabel *)data); - if (error == 0 && (sc->sc_flags & HDF_LBA) == 0) - sc->sc_flags |= HDF_SETPARAM; - break; - - case DIOCWDINFO: - case DIOCWDINFO - (0x10 << 16): - if (count != (sizeof(struct disklabel) / sizeof(int))) - return (D_INVALID_SIZE); - error = setdisklabel(lp, (struct disklabel *)data); - if (error == 0) { - if ((sc->sc_flags & HDF_LBA) == 0) - sc->sc_flags |= HDF_SETPARAM; - error = hdwritelabel(dev); - } - break; - - case V_REMOUNT: - hdinit(dev); - break; - - case V_ABS: - if (count != 1 && count != 2) - return (D_INVALID_OPERATION); - sc->sc_abssn = *(int *)data; - if (sc->sc_abssn < 0 || sc->sc_abssn >= lp->d_secperunit) - return (D_INVALID_OPERATION); - if (count == 2) - sc->sc_abscnt = *((int *)data + 1); - else - sc->sc_abscnt = 1; - if (sc->sc_abscnt <= 0 - || sc->sc_abssn + sc->sc_abscnt > lp->d_secperunit) - return (D_INVALID_OPERATION); - break; - - case V_WRABS: - if (count < (lp->d_secsize / sizeof(int))) { - printf("hd%d: WRABS, bad size %d\n", unit, count); - return (D_INVALID_OPERATION); - } - bp = geteblk(lp->d_secsize); - bcopy((caddr_t)data, bp->b_un.b_addr, lp->d_secsize); - bp->b_flags = B_WRITE | B_ABS; - bp->b_blkno = sc->sc_abssn; - bp->b_bcount = lp->d_secsize; - bp->b_dev = dev; - hdstrategy(bp); - biowait(bp); - if (bp->b_flags & B_ERROR) { - printf("hd%d: WRABS failed\n", unit); - error = EIO; - } - brelse(bp); - break; - - default: - return (D_INVALID_OPERATION); - } - return (error); -} - -int -hddevinfo(dev, flavor, info) - dev_t dev; - int flavor; - char *info; -{ - switch (flavor) { - - case D_INFO_BLOCK_SIZE: - *((int *)info) = SECSIZE; /* #defined to 512 */ - break; - - default: - return (D_INVALID_OPERATION); - } - return (0); -} - - - - -/* Kevin T. Van Maren: Added this low-level routine for the unified - partition code. A pointer to this routine is passed, along with param* */ -int -ide_read_fun(struct ide_driver_info *param, int sectornum, char *buff) -{ - struct buf *bp; - - bp = geteblk(param->sectorsize); - bp->b_flags = B_READ | B_ABS; - - bp->b_bcount = param->sectorsize; - bp->b_blkno = sectornum; - - /* WARNING: DEPENDS ON NUMBER OF BITS FOR PARTITIONS */ - bp->b_dev = param->dev & ~0x3ff; - hdstrategy(bp); - biowait(bp); - if ((bp->b_flags & B_ERROR) == 0) - bcopy((char *)bp->b_un.b_addr, buff, param->sectorsize); - else { - printf("ERROR!\n"); - return(B_ERROR); - } - - brelse(bp); - return(0); -} - - - -/* - * Initialize drive. - */ -int -hdinit(dev) - dev_t dev; -{ - int unit = hdunit(dev); - struct hdsoftc *sc = &hdsoftc[unit]; - struct disklabel *lp = &hdlabel[unit], *dlp; - struct buf *bp = 0; - int numpart; - - struct ide_driver_info ide_param = { dev, /* bp, */ lp->d_secsize }; - int ret; - - /* - * Issue identify command. - */ - if ((sc->sc_flags & HDF_IDENTDONE) == 0) { - sc->sc_flags |= HDF_IDENTDONE; - bp = geteblk(lp->d_secsize); - /* sector size #defined to 512 */ - bp->b_flags = B_IDENTIFY; - bp->b_dev = dev; - hdstrategy(bp); - biowait(bp); - if ((bp->b_flags & B_ERROR) == 0) { - bcopy((char *)bp->b_un.b_addr, - (char *)&sc->sc_id, sizeof(struct hdident)); - - /* - * Check if drive supports LBA mode. - */ - if (sc->sc_id.id_capability & 2) - sc->sc_flags |= HDF_LBA; - } - } - - /* - * Check if drive supports multiple read/write mode. - */ - hdmulti(dev); - - /* Note: label was fudged during attach! */ - - /* ensure the 'raw disk' can be accessed reliably */ - array[MAX_IDE_PARTS*unit].start=0; - array[MAX_IDE_PARTS*unit].size=lp->d_secperunit; /* fill in root for MY reads */ -#if 0 - array[MAX_IDE_PARTS*unit].subs=0; - array[MAX_IDE_PARTS*unit].nsubs=0; - array[MAX_IDE_PARTS*unit].type=0; - array[MAX_IDE_PARTS*unit].fsys=0; -#endif 0 - - numpart=get_only_partition(&ide_param, (*ide_read_fun), - &array[MAX_IDE_PARTS*unit],MAX_IDE_PARTS,lp->d_secperunit, - drive_name[unit]); - - printf("%s %d partitions found\n",drive_name[unit],numpart); - - if ((sc->sc_flags & HDF_LBA) == 0) - sc->sc_flags |= HDF_SETPARAM; - - brelse(bp); - return(ret); -} - - - - -/* - * Check if drive supports multiple read/write mode. - */ -int -hdmulti(dev) - dev_t dev; -{ - int unit = hdunit(dev); - struct hdsoftc *sc = &hdsoftc[unit]; - struct buf *bp; - struct hdident *id; - - if (sc->sc_flags & HDF_MULTIDONE) - return(0); - - sc->sc_flags |= HDF_MULTIDONE; - - if (hdenmulti == 0) - return(0); - - /* - * Get drive information by issuing IDENTIFY command. - */ - bp = geteblk(DEV_BSIZE); - bp->b_flags = B_IDENTIFY; - bp->b_dev = dev; - hdstrategy(bp); - biowait(bp); - id = (struct hdident *)bp->b_un.b_addr; - - /* - * If controller does not recognise IDENTIFY command, - * or does not support multiple mode, clear count. - */ - if ((bp->b_flags & B_ERROR) || !id->id_multisize) - sc->sc_multicnt = 0; - else { - sc->sc_multicnt = id->id_multisize; - printf("hd%d: max multiple size %u", unit, sc->sc_multicnt); - /* - * Use 4096 since it is the minimum block size in FFS. - */ - if (sc->sc_multicnt > 4096 / 512) - sc->sc_multicnt = 4096 / 512; - printf(", using %u\n", sc->sc_multicnt); - sc->sc_flags |= HDF_SETMULTI; - } - brelse(bp); -} - -/* - * Write label to disk. - */ -int -hdwritelabel(dev) - dev_t dev; -{ - int unit = hdunit(dev), error = 0; - long labelsect; - struct buf *bp; - struct disklabel *lp = &hdlabel[unit]; - - printf("hdwritelabel: no longer implemented\n"); - -#if 0 - bp = geteblk(lp->d_secsize); - bp->b_flags = B_READ | B_ABS; - bp->b_blkno = LBLLOC + lp->d_partitions[PART_DISK].p_offset; - bp->b_bcount = lp->d_secsize; - bp->b_dev = dev; - hdstrategy(bp); - biowait(bp); - if (bp->b_flags & B_ERROR) { - printf("hd%d: hdwritelabel(), error reading disklabel\n",unit); - error = EIO; - goto out; - } - *(struct disklabel *)bp->b_un.b_addr = *lp; /* copy disk label */ - bp->b_flags = B_WRITE | B_ABS; - hdstrategy(bp); - biowait(bp); - if (bp->b_flags & B_ERROR) { - printf("hd%d: hdwritelabel(), error writing disklabel\n",unit); - error = EIO; - } - out: - brelse(bp); -#endif 0 - - return (error); -} - -/* - * Strategy routine. - * Enqueue request on drive. - */ -int -hdstrategy(bp) - struct buf *bp; -{ - int unit = hdunit(bp->b_dev), part = hdpart(bp->b_dev), s; - long bn, sz, maxsz; - struct buf *dp; - struct hdsoftc *sc = &hdsoftc[unit]; - struct bus_device *ui = hddinfo[unit]; - struct disklabel *lp = &hdlabel[unit]; - struct diskpart *label; - - if (bp->b_flags & B_IDENTIFY) { - bp->b_cylin = 0; - goto q; - } - bn = bp->b_blkno; - if (bp->b_flags & B_ABS) - goto q1; - sz = (bp->b_bcount + lp->d_secsize - 1) / lp->d_secsize; - label=lookup_part(&array[MAX_IDE_PARTS*unit], hdpart(bp->b_dev)); - if (label) { - maxsz = label->size; - } else { - bp->b_flags |= B_ERROR; - bp->b_error = EINVAL; - goto done; - } - - if (bn < 0 || bn + sz > maxsz) { - if (bn == maxsz) { - bp->b_resid = bp->b_bcount; - goto done; - } - sz = maxsz - bn; - if (sz <= 0) { - bp->b_flags |= B_ERROR; - bp->b_error = EINVAL; - goto done; - } - bp->b_bcount = sz * lp->d_secsize; - } - bn += lp->d_partitions[part].p_offset; - bn += label->start; - - q1: - bp->b_cylin = (sc->sc_flags & HDF_LBA) ? bn : bn / lp->d_secpercyl; - q: - dp = &hdutab[unit]; - s = splbio(); - disksort(dp, bp); - if (!dp->b_active) { - hdustart(ui); - if (!hdtab[ui->mi->unit].b_active) - hdstart(ui->mi); - } - splx(s); - return(0); - done: - biodone(bp); - return(0); -} - -/* - * Unit start routine. - * Move request from drive to controller queue. - */ -int -hdustart(ui) - struct bus_device *ui; -{ - struct buf *bp; - struct buf *dp; - - bp = &hdutab[ui->unit]; - if (bp->b_actf == 0) - return(0); - dp = &hdtab[ui->mi->unit]; - if (dp->b_actf == 0) - dp->b_actf = bp; - else - dp->b_actl->b_forw = bp; - bp->b_forw = 0; - dp->b_actl = bp; - bp->b_active++; -} - -/* - * Start output on controller. - */ -int -hdstart(um) - struct bus_ctlr *um; -{ - long bn; - struct buf *bp; - struct buf *dp; - struct hdsoftc *sc; - struct hdcsoftc *hdc; - struct bus_device *ui; - struct disklabel *lp; - struct diskpart *label; - - /* - * Pull a request from the controller queue. - */ - dp = &hdtab[um->unit]; - if ((bp = dp->b_actf) == 0) - return(0); - bp = bp->b_actf; - - hdc = &hdcsoftc[um->unit]; - ui = hddinfo[hdunit(bp->b_dev)]; - sc = &hdsoftc[ui->unit]; - lp = &hdlabel[ui->unit]; - - label = lookup_part(&array[MAX_IDE_PARTS*hdunit(bp->b_dev)], hdpart(bp->b_dev)); - - /* - * Mark controller busy. - */ - dp->b_active++; - - if (bp->b_flags & B_IDENTIFY) { - hdc->sc_state = IDENTIFY; - goto doit; - } - - /* - * Figure out where this request is going. - */ - if (sc->sc_flags & HDF_LBA) - hdc->sc_cn = bp->b_cylin; - else { - bn = bp->b_blkno; - if ((bp->b_flags & B_ABS) == 0) { - bn += label->start; /* partition must be valid */ - } - hdc->sc_cn = bp->b_cylin; - hdc->sc_sn = bn % lp->d_secpercyl; - hdc->sc_tn = hdc->sc_sn / lp->d_nsectors; - hdc->sc_sn %= lp->d_nsectors; - } - - /* - * Set up for multi-sector transfer. - */ - hdc->sc_addr = bp->b_un.b_addr; - hdc->sc_resid = bp->b_bcount; - hdc->sc_wticks = 0; - hdc->sc_recalerr = 0; - hdc->sc_ioerr = 0; - - /* - * Set initial transfer state. - */ - if (sc->sc_flags & HDF_SETPARAM) - hdc->sc_state = SETPARAM; - else if (sc->sc_flags & HDF_RESTORE) - hdc->sc_state = RESTORE; - else if (sc->sc_flags & HDF_SETMULTI) - hdc->sc_state = SETMULTI; - else - hdc->sc_state = TRANSFER; - - doit: - /* - * Call transfer state routine to do the actual I/O. - */ - hdstate(um); -} - -/* - * Interrupt routine. - */ -int -hdintr(ctlr) - int ctlr; -{ - int timedout; - struct bus_ctlr *um = hdminfo[ctlr]; - struct bus_device *ui; - struct buf *bp; - struct buf *dp = &hdtab[ctlr]; - struct hdcsoftc *hdc = &hdcsoftc[ctlr]; - - if (!dp->b_active) { - (void) inb(HD_STATUS(um->address)); - printf("hdc%d: stray interrupt\n", ctlr); - return(0); - } - timedout = hdc->sc_wticks >= OP_TIMEOUT; - hdc->sc_wticks = 0; - - /* - * Operation timed out, terminate request. - */ - if (timedout) { - bp = dp->b_actf->b_actf; - ui = hddinfo[hdunit(bp->b_dev)]; - hderror("timed out", ui); - hdsoftc[ui->unit].sc_flags |= HDF_RESTORE; - bp->b_flags |= B_ERROR; - bp->b_error = EIO; - hddone(ui, bp); - return(0); - } - - /* - * Let transfer state routine handle the rest. - */ - hdstate(um); -} - -/* - * Transfer finite state machine driver. - */ -int -hdstate(um) - struct bus_ctlr *um; -{ - char *msg; - int op; - struct buf *bp; - struct hdsoftc *sc; - struct bus_device *ui; - struct disklabel *lp; - struct hdcsoftc *hdc = &hdcsoftc[um->unit]; - struct hdbios *bg; - - bp = hdtab[um->unit].b_actf->b_actf; - ui = hddinfo[hdunit(bp->b_dev)]; - lp = &hdlabel[ui->unit]; - sc = &hdsoftc[ui->unit]; - bg = &hdbios[ui->unit]; - - /* - * Ensure controller is not busy. - */ - if (!hdwait(um)) - goto ctlr_err; - - while (1) switch (hdc->sc_state) { - - case SETPARAM: - /* - * Set drive parameters. - */ - outb(HD_DRVHD(um->address), - 0xa0 | (ui->slave << 4) | (lp->d_ntracks - 1)); - outb(HD_SECTCNT(um->address), lp->d_nsectors); - outb(HD_CMD(um->address), CMD_SETPARAM); - hdc->sc_state = SETPARAMDONE; - return(0); - - case SETPARAMDONE: - /* - * Set parameters complete. - */ - if (msg = hderrchk(um)) - goto bad; - sc->sc_flags &= ~HDF_SETPARAM; - hdc->sc_state = RESTORE; - break; - - case RESTORE: - /* - * Recalibrate drive. - */ - outb(HD_DRVHD(um->address), 0xa0 | (ui->slave << 4)); - outb(HD_CMD(um->address), CMD_RESTORE); - hdc->sc_state = RESTOREDONE; - return(0); - - case RESTOREDONE: - /* - * Recalibration complete. - */ - if (msg = hderrchk(um)) { - if (++hdc->sc_recalerr == 2) - goto bad; - hdc->sc_state = RESTORE; - break; - } - sc->sc_flags &= ~HDF_RESTORE; - hdc->sc_recalerr = 0; - if (sc->sc_flags & HDF_SETMULTI) - hdc->sc_state = SETMULTI; - else - hdc->sc_state = TRANSFER; - break; - - case TRANSFER: - /* - * Perform I/O transfer. - */ - sc->sc_flags &= ~HDF_UNALIGNED; - hdc->sc_state = TRANSFERDONE; - hdc->sc_amt = hdc->sc_resid / lp->d_secsize; - if (hdc->sc_amt == 0) { - sc->sc_flags |= HDF_UNALIGNED; - hdc->sc_amt = 1; - } else if (hdc->sc_amt > 256) - hdc->sc_amt = 256; - if (sc->sc_multicnt > 1 && hdc->sc_amt >= sc->sc_multicnt) { - hdc->sc_cnt = sc->sc_multicnt; - hdc->sc_amt -= hdc->sc_amt % hdc->sc_cnt; - if (bp->b_flags & B_READ) - op = CMD_READMULTI; - else - op = CMD_WRITEMULTI; - } else { - hdc->sc_cnt = 1; - if (bp->b_flags & B_READ) - op = CMD_READ; - else - op = CMD_WRITE; - } - if (sc->sc_flags & HDF_LBA) { - outb(HD_DRVHD(um->address), - (0xe0 | (ui->slave << 4) - | ((hdc->sc_cn >> 24) & 0x0f))); - outb(HD_SECT(um->address), hdc->sc_cn); - outb(HD_CYLLO(um->address), hdc->sc_cn >> 8); - outb(HD_CYLHI(um->address), hdc->sc_cn >> 16); - } else { - outb(HD_DRVHD(um->address), - 0xa0 | (ui->slave << 4) | hdc->sc_tn); - outb(HD_SECT(um->address), hdc->sc_sn + 1); - outb(HD_CYLLO(um->address), hdc->sc_cn); - outb(HD_CYLHI(um->address), hdc->sc_cn >> 8); - } - outb(HD_SECTCNT(um->address), hdc->sc_amt & 0xff); - outb(HD_PRECOMP(um->address), bg->bg_precomp / 4); - outb(HD_CMD(um->address), op); - if ((bp->b_flags & B_READ) == 0) { - int i; - caddr_t buf; - - if (sc->sc_flags & HDF_UNALIGNED) { - buf = hdc->sc_buf; - bcopy(hdc->sc_addr, buf, hdc->sc_resid); - bzero(buf + hdc->sc_resid, - lp->d_secsize - hdc->sc_resid); - } else - buf = hdc->sc_addr; - for (i = 0; i < 1000000; i++) - if (inb(HD_STATUS(um->address)) & ST_DREQ) { - loutw(HD_DATA(um->address), buf, - hdc->sc_cnt * lp->d_secsize / 2); - return(0); - } - goto ctlr_err; - } - return(0); - - case TRANSFERDONE: - /* - * Transfer complete. - */ - if (msg = hderrchk(um)) { - if (++hdc->sc_ioerr == MAX_RETRIES) - goto bad; - /* - * Every fourth attempt print a message - * and recalibrate the drive. - */ - if (hdc->sc_ioerr & 3) - hdc->sc_state = TRANSFER; - else { - hderror(msg, ui); - hdc->sc_state = RESTORE; - } - break; - } - if (bp->b_flags & B_READ) { - if (sc->sc_flags & HDF_UNALIGNED) { - linw(HD_DATA(um->address), hdc->sc_buf, - lp->d_secsize / 2); - bcopy(hdc->sc_buf, hdc->sc_addr, - hdc->sc_resid); - } else - linw(HD_DATA(um->address), hdc->sc_addr, - hdc->sc_cnt * lp->d_secsize / 2); - } - hdc->sc_resid -= hdc->sc_cnt * lp->d_secsize; - if (hdc->sc_resid <= 0) { - bp->b_resid = 0; - hddone(ui, bp); - return(0); - } - if (sc->sc_flags & HDF_LBA) - hdc->sc_cn += hdc->sc_cnt; - else { - hdc->sc_sn += hdc->sc_cnt; - while (hdc->sc_sn >= lp->d_nsectors) { - hdc->sc_sn -= lp->d_nsectors; - if (++hdc->sc_tn == lp->d_ntracks) { - hdc->sc_tn = 0; - hdc->sc_cn++; - } - } - } - hdc->sc_ioerr = 0; - hdc->sc_addr += hdc->sc_cnt * lp->d_secsize; - hdc->sc_amt -= hdc->sc_cnt; - if (hdc->sc_amt == 0) { - hdc->sc_state = TRANSFER; - break; - } - if ((bp->b_flags & B_READ) == 0) { - int i; - - for (i = 0; i < 1000000; i++) - if (inb(HD_STATUS(um->address)) & ST_DREQ) { - loutw(HD_DATA(um->address), - hdc->sc_addr, - hdc->sc_cnt * lp->d_secsize / 2); - return(0); - } - goto ctlr_err; - } - return(0); - - case IDENTIFY: - /* - * Get drive info. - */ - hdc->sc_state = IDENTIFYDONE; - outb(HD_DRVHD(um->address), 0xa0 | (ui->slave << 4)); - outb(HD_CMD(um->address), CMD_IDENTIFY); - return(0); - - case IDENTIFYDONE: - /* - * Get drive info complete. - */ - if (msg = hderrchk(um)) - goto bad; - linw(HD_DATA(um->address), (u_short *)bp->b_un.b_addr, 256); - hddone(ui, bp); - return(0); - - case SETMULTI: - /* - * Set multiple mode count. - */ - hdc->sc_state = SETMULTIDONE; - outb(HD_DRVHD(um->address), 0xa0 | (ui->slave << 4)); - outb(HD_SECTCNT(um->address), sc->sc_multicnt); - outb(HD_CMD(um->address), CMD_SETMULTI); - return(0); - - case SETMULTIDONE: - /* - * Set multiple mode count complete. - */ - sc->sc_flags &= ~HDF_SETMULTI; - if (msg = hderrchk(um)) { - sc->sc_multicnt = 0; - goto bad; - } - hdc->sc_state = TRANSFER; - break; - - default: - printf("hd%d: invalid state\n", ui->unit); - panic("hdstate"); - /*NOTREACHED*/ - } - - ctlr_err: - msg = "controller error"; - - bad: - hderror(msg, ui); - bp->b_flags |= B_ERROR; - bp->b_error = EIO; - sc->sc_flags |= HDF_RESTORE; - hddone(ui, bp); -} - -/* - * Terminate current request and start - * any others that are queued. - */ -int -hddone(ui, bp) - struct bus_device *ui; - struct buf *bp; -{ - struct bus_ctlr *um = ui->mi; - struct hdsoftc *sc = &hdsoftc[ui->unit]; - struct hdcsoftc *hdc = &hdcsoftc[um->unit]; - struct buf *dp = &hdtab[um->unit]; - - sc->sc_flags &= ~HDF_UNALIGNED; - - /* - * Remove this request from queue. - */ - hdutab[ui->unit].b_actf = bp->b_actf; - biodone(bp); - bp = &hdutab[ui->unit]; - dp->b_actf = bp->b_forw; - - /* - * Mark controller and drive idle. - */ - dp->b_active = 0; - bp->b_active = 0; - hdc->sc_state = IDLE; - - /* - * Start up other requests. - */ - hdustart(ui); - hdstart(um); - - /* - * Wakeup anyone waiting for drive. - */ - if (sc->sc_flags & HDF_WANT) { - sc->sc_flags &= ~HDF_WANT; - wakeup((caddr_t)sc); - } -} - -/* - * Wait for controller to be idle. - */ -int -hdwait(um) - struct bus_ctlr *um; -{ - int i, status; - - for (i = 0; i < 1000000; i++) { - status = inb(HD_STATUS(um->address)); - if ((status & ST_BUSY) == 0 && (status & ST_READY)) - return (status); - } - return (0); -} - -/* - * Check for errors on completion of an operation. - */ -char * -hderrchk(um) - struct bus_ctlr *um; -{ - int status; - - status = inb(HD_STATUS(um->address)); - if (status & ST_WRTFLT) - return ("write fault"); - if (status & ST_ERROR) { - status = inb(HD_ERROR(um->address)); - if (status & ERR_DAM) - return ("data address mark not found"); - if (status & ERR_TR0) - return ("track 0 not found"); - if (status & ERR_ID) - return ("sector not found"); - if (status & ERR_ECC) - return ("uncorrectable ECC error"); - if (status & ERR_BADBLK) - return ("bad block detected"); - if (status & ERR_ABORT) - return ("command aborted"); - return ("hard error"); - } - return (NULL); -} - -/* - * Print an error message. - */ -hderror(msg, ui) - char *msg; - struct bus_device *ui; -{ - char *op; - int prn_sn = 0; - struct hdcsoftc *hdc = &hdcsoftc[ui->mi->unit]; - - switch (hdc->sc_state) { - - case SETPARAM: - case SETPARAMDONE: - op = "SETPARAM: "; - break; - - case RESTORE: - case RESTOREDONE: - op = "RESTORE: "; - break; - - case TRANSFER: - case TRANSFERDONE: - if (hdutab[ui->unit].b_actf->b_flags & B_READ) - op = "READ: "; - else - op = "WRITE: "; - prn_sn = 1; - break; - - case IDENTIFY: - case IDENTIFYDONE: - op = "IDENTIFY: "; - break; - - case SETMULTI: - case SETMULTIDONE: - op = "SETMULTI: "; - break; - - default: - op = ""; - break; - } - printf("hd%d: %s%s", ui->unit, op, msg); - if (prn_sn) { - if (hdsoftc[ui->unit].sc_flags & HDF_LBA) - printf(", bn %d", hdc->sc_cn); - else - printf(", cn %d tn %d sn %d", - hdc->sc_cn, hdc->sc_tn, hdc->sc_sn + 1); - } - printf("\n"); -} - -/* - * Watchdog routine. - * Check for any hung operations. - */ -void -hdwatch() -{ - int unit, s; - - timeout(hdwatch, 0, hz); - s = splbio(); - for (unit = 0; unit < NHDC; unit++) - if (hdtab[unit].b_active - && ++hdcsoftc[unit].sc_wticks >= OP_TIMEOUT) - hdintr(unit); - splx(s); -} - -#endif /* NHD > 0 && !LINUX_DEV */ diff --git a/i386/i386at/nhdreg.h b/i386/i386at/nhdreg.h deleted file mode 100644 index d0ef197..0000000 --- a/i386/i386at/nhdreg.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 1994 Shantanu Goel - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * THE AUTHOR ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. THE AUTHOR DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - */ - -/* - * Hard disk controller. - */ - -#define HD_DATA(p) (p) /* data register */ -#define HD_ERROR(p) ((p) + 1) /* error register */ -#define HD_PRECOMP(p) ((p) + 1) /* precomp register */ -#define HD_SECTCNT(p) ((p) + 2) /* sector count register */ -#define HD_SECT(p) ((p) + 3) /* sector number register */ -#define HD_CYLLO(p) ((p) + 4) /* cylinder number low */ -#define HD_CYLHI(p) ((p) + 5) /* cylinder number high */ -#define HD_DRVHD(p) ((p) + 6) /* drive head register */ -#define HD_STATUS(p) ((p) + 7) /* status register */ -#define HD_CMD(p) ((p) + 7) /* command register */ - -/* - * Status register - */ -#define ST_BUSY 0x80 /* controller is busy */ -#define ST_READY 0x40 /* drive is ready */ -#define ST_WRTFLT 0x20 /* write fault */ -#define ST_SEEK 0x10 /* seek complete */ -#define ST_DREQ 0x08 /* data request */ -#define ST_ECC 0x04 /* ECC corrected data */ -#define ST_INDEX 0x02 /* index pulse */ -#define ST_ERROR 0x01 /* an operation resulted in error */ - -/* - * Error register - */ -#define ERR_DAM 0x01 /* data address mark not found */ -#define ERR_TR0 0x02 /* track 0 not found */ -#define ERR_ABORT 0x04 /* command aborted */ -#define ERR_ID 0x10 /* sector not found */ -#define ERR_ECC 0x40 /* uncorrectable ECC error */ -#define ERR_BADBLK 0x80 /* bad block detected */ - -/* - * Commands - */ -#define CMD_RESTORE 0x10 -#define CMD_READ 0x20 -#define CMD_WRITE 0x30 -#define CMD_SETPARAM 0x91 -#define CMD_READMULTI 0xc4 -#define CMD_WRITEMULTI 0xc5 -#define CMD_SETMULTI 0xc6 -#define CMD_IDENTIFY 0xec - -#if 0 -#define PDLOCATION 29 /* XXX: belongs in <i386at/disk.h> */ -#endif - -#define BAD_BLK 0x80 -#define SECSIZE 512 - -/* - * Information returned by IDENTIFY command. - */ -struct hdident { - u_short id_config; /* flags */ - u_short id_npcyl; /* # physical cylinders */ - u_short id_rsvd2; /* reserved (word 2) */ - u_short id_nptrk; /* # physical tracks */ - u_short id_bptrk; /* unformatted bytes/track */ - u_short id_bpsect; /* unformatted bytes/sector */ - u_short id_npsect; /* # physical sectors/track */ - u_short id_vendor0; /* vendor unique */ - u_short id_vendor1; /* vendor unique */ - u_short id_vendor2; /* vendor unique */ - u_char id_serno[20]; /* serial #: 0 = unspecified */ - u_short id_buftype; /* ??? */ - u_short id_bufsize; /* 512 byte increments: 0 = unspecified */ - u_short id_eccbytes; /* for R/W LONG commands: 0 = unspecified */ - u_char id_rev[8]; /* firmware revision: 0 = unspecified */ - u_char id_model[40]; /* model name: 0 = unspecified */ - u_char id_multisize; /* max multiple I/O size: 0 = unsupported */ - u_char id_vendor3; /* vendor unique */ - u_short id_dwordio; /* 0 = unsupported; 1 = implemented */ - u_char id_vendor4; /* vendor unique */ - u_char id_capability; /* 0:DMA 1:LBA 2:IORDYsw 3:IORDY:sup */ - u_short id_rsvd50; /* reserved (word 50) */ - u_char id_vendor5; /* vendor unique */ - u_char id_pio; /* 0=slow, 1=medium, 2=fast */ - u_char id_vendor6; /* vendor unique */ - u_char id_dma; /* 0=slow, 1=medium, 2=fast */ - u_short id_valid; /* 0:logical 1:eide */ - u_short id_nlcyl; /* # logical cylinders */ - u_short id_nltrk; /* # logical tracks */ - u_short id_nlsect; /* # logical sectors/track */ - u_short id_capacity0; /* logical total sectors on drive */ - u_short id_capacity1; /* (2 words, misaligned int) */ - u_char id_multisect; /* current multiple sector count */ - u_char id_multivalid; /* bit 0=1, multisect field is valid */ - u_short id_totsect; /* total number of sectors */ - u_short id_dma1; /* single word DMA info */ - u_short id_dmamulti; /* multiple word DMA info */ - u_short id_eidepiomode; /* 0:mode3 1:mode4 */ - u_short id_eidedmamin; /* min multiple word DMA cycle time (ns) */ - u_short id_eidedmatime; /* recomended DMA cycle time (ns) */ - u_short id_eidepio; /* min cycle time (ns), no IORDY */ - u_short id_eidepioiordy;/* min cycle time (ns, with IORDY */ - u_short id_rsvd69; /* reserved (word 69) */ - u_short id_rsvd70; /* reserved (word 70) */ -}; |