arch/ia64/drivers/simscsi.h

   1 /*
   2  * Simulated SCSI driver.
   3  *
   4  * Copyright (C) 1999, 2002 Hewlett-Packard Co
   5  *      David Mosberger-Tang <davidm@hpl.hp.com>
   6  */
   7 #ifndef SIMSCSI_H
   8 #define SIMSCSI_H
   9
  10 #define SIMSCSI_REQ_QUEUE_LEN   64
  11
  12 #define DEFAULT_SIMSCSI_ROOT    "/var/ski-disks/sd"
  13
  14 extern int simscsi_detect (Scsi_Host_Template *);
  15 extern int simscsi_release (struct Scsi_Host *);
  16 extern const char *simscsi_info (struct Scsi_Host *);
  17 extern int simscsi_queuecommand (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  18 extern int simscsi_abort (Scsi_Cmnd *);
  19 extern int simscsi_reset (Scsi_Cmnd *, unsigned int);
  20 extern int simscsi_biosparam (Disk *, kdev_t, int[]);
  21
  22 #define SIMSCSI {                                               \
  23         .detect                 = simscsi_detect,               \
  24         .release                = simscsi_release,              \
  25         .info                   = simscsi_info,                 \
  26         .queuecommand           = simscsi_queuecommand,         \
  27         .abort                  = simscsi_abort,                \
  28         .reset                  = simscsi_reset,                \
  29         .bios_param             = simscsi_biosparam,            \
  30         .can_queue              = SIMSCSI_REQ_QUEUE_LEN,        \
  31         .this_id                = -1,                           \
  32         .sg_tablesize           = SG_ALL,                       \
  33         .cmd_per_lun            = SIMSCSI_REQ_QUEUE_LEN,        \
  34         .present                = 0,                            \
  35         .unchecked_isa_dma      = 0,                            \
  36         .use_clustering         = DISABLE_CLUSTERING            \
  37 }
  38
  39 #endif /* SIMSCSI_H */