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/device.h>
  19 #include <linux/kref.h>
  20 #include <linux/kobject.h>
  21
  22 struct scsi_device;
  23
  24 struct pscsi_plugin_task {
  25         unsigned char pscsi_sense[TRANSPORT_SENSE_BUFFER];
  26         int     pscsi_direction;
  27         int     pscsi_result;
  28         u32     pscsi_resid;
  29         unsigned char pscsi_cdb[0];
  30 } ____cacheline_aligned;
  31
  32 #define PDF_HAS_CHANNEL_ID      0x01
  33 #define PDF_HAS_TARGET_ID       0x02
  34 #define PDF_HAS_LUN_ID          0x04
  35 #define PDF_HAS_VPD_UNIT_SERIAL 0x08
  36 #define PDF_HAS_VPD_DEV_IDENT   0x10
  37 #define PDF_HAS_VIRT_HOST_ID    0x20
  38
  39 struct pscsi_dev_virt {
  40         struct se_device dev;
  41         int     pdv_flags;
  42         int     pdv_host_id;
  43         int     pdv_channel_id;
  44         int     pdv_target_id;
  45         int     pdv_lun_id;
  46         struct block_device *pdv_bd;
  47         struct scsi_device *pdv_sd;
  48         struct Scsi_Host *pdv_lld_host;
  49 } ____cacheline_aligned;
  50
  51 typedef enum phv_modes {
  52         PHV_VIRTUAL_HOST_ID,
  53         PHV_LLD_SCSI_HOST_NO
  54 } phv_modes_t;
  55
  56 struct pscsi_hba_virt {
  57         int                     phv_host_id;
  58         phv_modes_t             phv_mode;
  59         struct Scsi_Host        *phv_lld_host;
  60 } ____cacheline_aligned;
  61
  62 #endif   /*** TARGET_CORE_PSCSI_H ***/