drivers/target/target_core_pscsi.h

   1 #ifndef TARGET_CORE_PSCSI_H
   2 #define TARGET_CORE_PSCSI_H
   3
   4 #define PSCSI_VERSION           "v4.0"
   5
   6 /* used in pscsi_find_alloc_len() */
   7 #ifndef INQUIRY_DATA_SIZE
   8 #define INQUIRY_DATA_SIZE       0x24
   9 #endif
  10
  11 /* used in pscsi_add_device_to_list() */
  12 #define PSCSI_DEFAULT_QUEUEDEPTH        1
  13
  14 #define PS_RETRY                5
  15 #define PS_TIMEOUT_DISK         (15*HZ)
  16 #define PS_TIMEOUT_OTHER        (500*HZ)
  17
  18 #include <linux/cache.h>             /* ___cacheline_aligned */
  19 #include <target/target_core_base.h> /* struct se_device */
  20
  21 struct block_device;
  22 struct scsi_device;
  23 struct Scsi_Host;
  24
  25 struct pscsi_plugin_task {
  26         unsigned char pscsi_cdb[0];
  27 } ____cacheline_aligned;
  28
  29 #define PDF_HAS_CHANNEL_ID      0x01
  30 #define PDF_HAS_TARGET_ID       0x02
  31 #define PDF_HAS_LUN_ID          0x04
  32 #define PDF_HAS_VPD_UNIT_SERIAL 0x08
  33 #define PDF_HAS_VPD_DEV_IDENT   0x10
  34 #define PDF_HAS_VIRT_HOST_ID    0x20
  35
  36 struct pscsi_dev_virt {
  37         struct se_device dev;
  38         int     pdv_flags;
  39         int     pdv_host_id;
  40         int     pdv_channel_id;
  41         int     pdv_target_id;
  42         int     pdv_lun_id;
  43         struct block_device *pdv_bd;
  44         struct scsi_device *pdv_sd;
  45         struct Scsi_Host *pdv_lld_host;
  46 } ____cacheline_aligned;
  47
  48 typedef enum phv_modes {
  49         PHV_VIRTUAL_HOST_ID,
  50         PHV_LLD_SCSI_HOST_NO
  51 } phv_modes_t;
  52
  53 struct pscsi_hba_virt {
  54         int                     phv_host_id;
  55         phv_modes_t             phv_mode;
  56         struct Scsi_Host        *phv_lld_host;
  57 } ____cacheline_aligned;
  58
  59 #endif   /*** TARGET_CORE_PSCSI_H ***/