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Diffstat (limited to 'drivers/target/target_core_iblock.h')
-rw-r--r--drivers/target/target_core_iblock.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/target/target_core_iblock.h b/drivers/target/target_core_iblock.h
new file mode 100644
index 000000000..8c55375d2
--- /dev/null
+++ b/drivers/target/target_core_iblock.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef TARGET_CORE_IBLOCK_H
+#define TARGET_CORE_IBLOCK_H
+
+#include <linux/atomic.h>
+#include <linux/refcount.h>
+#include <linux/blkdev.h>
+#include <target/target_core_base.h>
+
+#define IBLOCK_VERSION "4.0"
+
+#define IBLOCK_MAX_CDBS 16
+
+struct iblock_req {
+ refcount_t pending;
+ atomic_t ib_bio_err_cnt;
+} ____cacheline_aligned;
+
+#define IBDF_HAS_UDEV_PATH 0x01
+
+#define IBD_PLUGF_PLUGGED 0x01
+
+struct iblock_dev_plug {
+ struct se_dev_plug se_plug;
+ struct blk_plug blk_plug;
+ unsigned long flags;
+};
+
+struct iblock_dev {
+ struct se_device dev;
+ unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
+ u32 ibd_flags;
+ struct bio_set ibd_bio_set;
+ struct block_device *ibd_bd;
+ bool ibd_readonly;
+ struct iblock_dev_plug *ibd_plug;
+} ____cacheline_aligned;
+
+#endif /* TARGET_CORE_IBLOCK_H */