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[v4,06/11] block: add flags for integrity meta

Message ID 20241016112912.63542-7-anuj20.g@samsung.com
State New
Headers show
Series Read/Write with meta/integrity | expand

Commit Message

Anuj Gupta Oct. 16, 2024, 11:29 a.m. UTC 
Add flags to describe checks for integrity meta buffer. These flags are
specified by application as io_uring meta_flags, added in the next patch.

Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
---
 include/uapi/linux/blkdev.h | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/include/uapi/linux/blkdev.h b/include/uapi/linux/blkdev.h
index 66373cd1a83a..d606f8b9c0a0 100644
--- a/include/uapi/linux/blkdev.h
+++ b/include/uapi/linux/blkdev.h
@@ -11,4 +11,15 @@ 
  */
 #define BLOCK_URING_CMD_DISCARD			_IO(0x12, 0)
 
+/*
+ * flags for integrity meta
+ */
+#define BLK_INTEGRITY_CHK_GUARD		(1U << 0) /* enforce guard check */
+#define BLK_INTEGRITY_CHK_APPTAG	(1U << 1) /* enforce app tag check */
+#define BLK_INTEGRITY_CHK_REFTAG	(1U << 2) /* enforce ref tag check */
+
+#define BLK_INTEGRITY_VALID_FLAGS (BLK_INTEGRITY_CHK_GUARD |\
+				   BLK_INTEGRITY_CHK_APPTAG |\
+				   BLK_INTEGRITY_CHK_REFTAG)
+
 #endif