drivers/target/target_core_iblock.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef TARGET_CORE_IBLOCK_H
   3 #define TARGET_CORE_IBLOCK_H
   4
   5 #include <linux/atomic.h>
   6 #include <linux/refcount.h>
   7 #include <target/target_core_base.h>
   8
   9 #define IBLOCK_VERSION          "4.0"
  10
  11 #define IBLOCK_MAX_CDBS         16
  12 #define IBLOCK_LBA_SHIFT        9
  13
  14 struct iblock_req {
  15         refcount_t pending;
  16         atomic_t ib_bio_err_cnt;
  17 } ____cacheline_aligned;
  18
  19 #define IBDF_HAS_UDEV_PATH              0x01
  20
  21 struct iblock_dev {
  22         struct se_device dev;
  23         unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
  24         u32     ibd_flags;
  25         struct bio_set  *ibd_bio_set;
  26         struct block_device *ibd_bd;
  27         bool ibd_readonly;
  28 } ____cacheline_aligned;
  29
  30 #endif /* TARGET_CORE_IBLOCK_H */