drivers/target/target_core_iblock.h

   1 #ifndef TARGET_CORE_IBLOCK_H
   2 #define TARGET_CORE_IBLOCK_H
   3
   4 #define IBLOCK_VERSION          "4.0"
   5
   6 #define IBLOCK_MAX_CDBS         16
   7 #define IBLOCK_LBA_SHIFT        9
   8
   9 struct iblock_req {
  10         struct se_task ib_task;
  11         unsigned char ib_scsi_cdb[TCM_MAX_COMMAND_SIZE];
  12         atomic_t ib_bio_cnt;
  13         atomic_t ib_bio_err_cnt;
  14         struct bio *ib_bio;
  15         struct iblock_dev *ib_dev;
  16 } ____cacheline_aligned;
  17
  18 #define IBDF_HAS_UDEV_PATH              0x01
  19 #define IBDF_HAS_FORCE                  0x02
  20
  21 struct iblock_dev {
  22         unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
  23         int     ibd_force;
  24         int     ibd_major;
  25         int     ibd_minor;
  26         u32     ibd_depth;
  27         u32     ibd_flags;
  28         struct bio_set  *ibd_bio_set;
  29         struct block_device *ibd_bd;
  30         struct iblock_hba *ibd_host;
  31 } ____cacheline_aligned;
  32
  33 struct iblock_hba {
  34         int             iblock_host_id;
  35 } ____cacheline_aligned;
  36
  37 #endif /* TARGET_CORE_IBLOCK_H */