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