| 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 <linux/blkdev.h> |
| 8 | #include <target/target_core_base.h> |
| 9 | |
| 10 | #define IBLOCK_VERSION "4.0" |
| 11 | |
| 12 | #define IBLOCK_MAX_CDBS 16 |
| 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 | #define IBD_PLUGF_PLUGGED 0x01 |
| 22 | |
| 23 | struct iblock_dev_plug { |
| 24 | struct se_dev_plug se_plug; |
| 25 | struct blk_plug blk_plug; |
| 26 | unsigned long flags; |
| 27 | }; |
| 28 | |
| 29 | struct iblock_dev { |
| 30 | struct se_device dev; |
| 31 | unsigned char ibd_udev_path[SE_UDEV_PATH_LEN]; |
| 32 | u32 ibd_flags; |
| 33 | struct bio_set ibd_bio_set; |
| 34 | struct block_device *ibd_bd; |
| 35 | struct bdev_handle *ibd_bdev_handle; |
| 36 | bool ibd_readonly; |
| 37 | struct iblock_dev_plug *ibd_plug; |
| 38 | } ____cacheline_aligned; |
| 39 | |
| 40 | #endif /* TARGET_CORE_IBLOCK_H */ |
| 41 |