drivers/scsi/ultrastor.h

   1 /*
   2  *      ultrastor.c     (C) 1991 David B. Gentzel
   3  *      Low-level scsi driver for UltraStor 14F
   4  *      by David B. Gentzel, Whitfield Software Services, Carnegie, PA
   5  *          (gentzel@nova.enet.dec.com)
   6  *  scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu)
   7  *  24F support by John F. Carr (jfc@athena.mit.edu)
   8  *    John's work modified by Caleb Epstein (cae@jpmorgan.com) and
   9  *    Eric Youngdale (eric@tantalus.nrl.navy.mil).
  10  *      Thanks to UltraStor for providing the necessary documentation
  11  */
  12
  13 #ifndef _ULTRASTOR_H
  14 #define _ULTRASTOR_H
  15 #include <linux/kdev_t.h>
  16
  17 int ultrastor_detect(Scsi_Host_Template *);
  18 const char *ultrastor_info(struct Scsi_Host * shpnt);
  19 int ultrastor_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  20 int ultrastor_abort(Scsi_Cmnd *);
  21 int ultrastor_reset(Scsi_Cmnd *, unsigned int);
  22 int ultrastor_biosparam(Disk *, kdev_t, int *);
  23
  24
  25 #define ULTRASTOR_14F_MAX_SG 16
  26 #define ULTRASTOR_24F_MAX_SG 33
  27
  28 #define ULTRASTOR_MAX_CMDS_PER_LUN 5
  29 #define ULTRASTOR_MAX_CMDS 16
  30
  31 #define ULTRASTOR_24F_PORT 0xC80
  32
  33
  34 #define ULTRASTOR_14F {   name:              "UltraStor 14F/24F/34F",   \
  35                           detect:            ultrastor_detect,          \
  36                           info:              ultrastor_info,            \
  37                           queuecommand:      ultrastor_queuecommand,    \
  38                           abort:             ultrastor_abort,           \
  39                           reset:             ultrastor_reset,           \
  40                           bios_param:        ultrastor_biosparam,       \
  41                           can_queue:         ULTRASTOR_MAX_CMDS,        \
  42                           this_id:           0,                         \
  43                           sg_tablesize:      ULTRASTOR_14F_MAX_SG,      \
  44                           cmd_per_lun:       ULTRASTOR_MAX_CMDS_PER_LUN,\
  45                           unchecked_isa_dma: 1,                         \
  46                           use_clustering:    ENABLE_CLUSTERING }
  47
  48
  49 #ifdef ULTRASTOR_PRIVATE
  50
  51 #define UD_ABORT        0x0001
  52 #define UD_COMMAND      0x0002
  53 #define UD_DETECT       0x0004
  54 #define UD_INTERRUPT    0x0008
  55 #define UD_RESET        0x0010
  56 #define UD_MULTI_CMD    0x0020
  57 #define UD_CSIR         0x0040
  58 #define UD_ERROR        0x0080
  59
  60 /* #define PORT_OVERRIDE 0x330 */
  61
  62 /* Values for the PRODUCT_ID ports for the 14F */
  63 #define US14F_PRODUCT_ID_0 0x56
  64 #define US14F_PRODUCT_ID_1 0x40         /* NOTE: Only upper nibble is used */
  65
  66 #define US24F_PRODUCT_ID_0 0x56
  67 #define US24F_PRODUCT_ID_1 0x63
  68 #define US24F_PRODUCT_ID_2 0x02
  69
  70 /* Subversion values */
  71 #define U14F 0
  72 #define U34F 1
  73
  74 /* MSCP field values */
  75
  76 /* Opcode */
  77 #define OP_HOST_ADAPTER 0x1
  78 #define OP_SCSI 0x2
  79 #define OP_RESET 0x4
  80
  81 /* Date Transfer Direction */
  82 #define DTD_SCSI 0x0
  83 #define DTD_IN 0x1
  84 #define DTD_OUT 0x2
  85 #define DTD_NONE 0x3
  86
  87 /* Host Adapter command subcodes */
  88 #define HA_CMD_INQUIRY 0x1
  89 #define HA_CMD_SELF_DIAG 0x2
  90 #define HA_CMD_READ_BUFF 0x3
  91 #define HA_CMD_WRITE_BUFF 0x4
  92
  93 #endif
  94
  95 #endif