drivers/target/target_core_iblock.h

   1 #ifndef TARGET_CORE_IBLOCK_H
   2 #define TARGET_CORE_IBLOCK_H
   3
   4 #include <linux/atomic.h>
   5 #include <linux/refcount.h>
   6 #include <target/target_core_base.h>
   7
   8 #define IBLOCK_VERSION          "4.0"
   9
  10 #define IBLOCK_MAX_CDBS         16
  11 #define IBLOCK_LBA_SHIFT        9
  12
  13 struct iblock_req {
  14         refcount_t pending;
  15         atomic_t ib_bio_err_cnt;
  16 } ____cacheline_aligned;
  17
  18 #define IBDF_HAS_UDEV_PATH              0x01
  19
  20 struct iblock_dev {
  21         struct se_device dev;
  22         unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
  23         u32     ibd_flags;
  24         struct bio_set  *ibd_bio_set;
  25         struct block_device *ibd_bd;
  26         bool ibd_readonly;
  27 } ____cacheline_aligned;
  28
  29 #endif /* TARGET_CORE_IBLOCK_H */