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 #define PSCSI_VIRTUAL_HBA_DEPTH 2048
   6
   7 /* used in pscsi_find_alloc_len() */
   8 #ifndef INQUIRY_DATA_SIZE
   9 #define INQUIRY_DATA_SIZE       0x24
  10 #endif
  11
  12 /* used in pscsi_add_device_to_list() */
  13 #define PSCSI_DEFAULT_QUEUEDEPTH        1
  14
  15 #define PS_RETRY                5
  16 #define PS_TIMEOUT_DISK         (15*HZ)
  17 #define PS_TIMEOUT_OTHER        (500*HZ)
  18
  19 #include <linux/device.h>
  20 #include <scsi/scsi_driver.h>
  21 #include <scsi/scsi_device.h>
  22 #include <linux/kref.h>
  23 #include <linux/kobject.h>
  24
  25 struct pscsi_plugin_task {
  26         struct se_task pscsi_task;
  27         unsigned char *pscsi_cdb;
  28         unsigned char __pscsi_cdb[TCM_MAX_COMMAND_SIZE];
  29         unsigned char pscsi_sense[SCSI_SENSE_BUFFERSIZE];
  30         int     pscsi_direction;
  31         int     pscsi_result;
  32         u32     pscsi_resid;
  33         struct request *pscsi_req;
  34 } ____cacheline_aligned;
  35
  36 #define PDF_HAS_CHANNEL_ID      0x01
  37 #define PDF_HAS_TARGET_ID       0x02
  38 #define PDF_HAS_LUN_ID          0x04
  39 #define PDF_HAS_VPD_UNIT_SERIAL 0x08
  40 #define PDF_HAS_VPD_DEV_IDENT   0x10
  41 #define PDF_HAS_VIRT_HOST_ID    0x20
  42
  43 struct pscsi_dev_virt {
  44         int     pdv_flags;
  45         int     pdv_host_id;
  46         int     pdv_channel_id;
  47         int     pdv_target_id;
  48         int     pdv_lun_id;
  49         struct block_device *pdv_bd;
  50         struct scsi_device *pdv_sd;
  51         struct se_hba *pdv_se_hba;
  52 } ____cacheline_aligned;
  53
  54 typedef enum phv_modes {
  55         PHV_VIRUTAL_HOST_ID,
  56         PHV_LLD_SCSI_HOST_NO
  57 } phv_modes_t;
  58
  59 struct pscsi_hba_virt {
  60         int                     phv_host_id;
  61         phv_modes_t             phv_mode;
  62         struct Scsi_Host        *phv_lld_host;
  63 } ____cacheline_aligned;
  64
  65 #endif   /*** TARGET_CORE_PSCSI_H ***/