diff options
Diffstat (limited to 'linux/src/drivers/scsi/ultrastor.h')
-rw-r--r-- | linux/src/drivers/scsi/ultrastor.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/linux/src/drivers/scsi/ultrastor.h b/linux/src/drivers/scsi/ultrastor.h new file mode 100644 index 0000000..7a40acc --- /dev/null +++ b/linux/src/drivers/scsi/ultrastor.h @@ -0,0 +1,102 @@ +/* + * ultrastor.c (C) 1991 David B. Gentzel + * Low-level scsi driver for UltraStor 14F + * by David B. Gentzel, Whitfield Software Services, Carnegie, PA + * (gentzel@nova.enet.dec.com) + * scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu) + * 24F support by John F. Carr (jfc@athena.mit.edu) + * John's work modified by Caleb Epstein (cae@jpmorgan.com) and + * Eric Youngdale (eric@tantalus.nrl.navy.mil). + * Thanks to UltraStor for providing the necessary documentation + */ + +#ifndef _ULTRASTOR_H +#define _ULTRASTOR_H +#include <linux/kdev_t.h> + +int ultrastor_detect(Scsi_Host_Template *); +const char *ultrastor_info(struct Scsi_Host * shpnt); +int ultrastor_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); +int ultrastor_abort(Scsi_Cmnd *); +int ultrastor_reset(Scsi_Cmnd *, unsigned int); +int ultrastor_biosparam(Disk *, kdev_t, int *); + + +#define ULTRASTOR_14F_MAX_SG 16 +#define ULTRASTOR_24F_MAX_SG 33 + +#define ULTRASTOR_MAX_CMDS_PER_LUN 5 +#define ULTRASTOR_MAX_CMDS 16 + +#define ULTRASTOR_24F_PORT 0xC80 + + +#define ULTRASTOR_14F { NULL, NULL, /* Ptr for modules*/ \ + NULL, \ + NULL, \ + "UltraStor 14F/24F/34F", \ + ultrastor_detect, \ + NULL, /* Release */ \ + ultrastor_info, \ + 0, \ + ultrastor_queuecommand, \ + ultrastor_abort, \ + ultrastor_reset, \ + 0, \ + ultrastor_biosparam, \ + ULTRASTOR_MAX_CMDS, \ + 0, \ + ULTRASTOR_14F_MAX_SG, \ + ULTRASTOR_MAX_CMDS_PER_LUN, \ + 0, \ + 1, \ + ENABLE_CLUSTERING } + + +#ifdef ULTRASTOR_PRIVATE + +#define UD_ABORT 0x0001 +#define UD_COMMAND 0x0002 +#define UD_DETECT 0x0004 +#define UD_INTERRUPT 0x0008 +#define UD_RESET 0x0010 +#define UD_MULTI_CMD 0x0020 +#define UD_CSIR 0x0040 +#define UD_ERROR 0x0080 + +/* #define PORT_OVERRIDE 0x330 */ + +/* Values for the PRODUCT_ID ports for the 14F */ +#define US14F_PRODUCT_ID_0 0x56 +#define US14F_PRODUCT_ID_1 0x40 /* NOTE: Only upper nibble is used */ + +#define US24F_PRODUCT_ID_0 0x56 +#define US24F_PRODUCT_ID_1 0x63 +#define US24F_PRODUCT_ID_2 0x02 + +/* Subversion values */ +#define U14F 0 +#define U34F 1 + +/* MSCP field values */ + +/* Opcode */ +#define OP_HOST_ADAPTER 0x1 +#define OP_SCSI 0x2 +#define OP_RESET 0x4 + +/* Date Transfer Direction */ +#define DTD_SCSI 0x0 +#define DTD_IN 0x1 +#define DTD_OUT 0x2 +#define DTD_NONE 0x3 + +/* Host Adapter command subcodes */ +#define HA_CMD_INQUIRY 0x1 +#define HA_CMD_SELF_DIAG 0x2 +#define HA_CMD_READ_BUFF 0x3 +#define HA_CMD_WRITE_BUFF 0x4 + +#endif + +#endif |