summaryrefslogtreecommitdiffstats
path: root/include/linux/t10-pi.h
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-02-10 11:35:36 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-02-10 11:35:36 -0800
commit4ba24fef3eb3b142197135223b90ced2f319cd53 (patch)
treea20c125b27740ec7b4c761b11d801108e1b316b2 /include/linux/t10-pi.h
parent47c1ffb2b6b630894e9a16442611c056ab21c057 (diff)
parent98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff)
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
Diffstat (limited to 'include/linux/t10-pi.h')
-rw-r--r--include/linux/t10-pi.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h
new file mode 100644
index 00000000000..6a8b9942632
--- /dev/null
+++ b/include/linux/t10-pi.h
@@ -0,0 +1,22 @@
+#ifndef _LINUX_T10_PI_H
+#define _LINUX_T10_PI_H
+
+#include <linux/types.h>
+#include <linux/blkdev.h>
+
+/*
+ * T10 Protection Information tuple.
+ */
+struct t10_pi_tuple {
+ __be16 guard_tag; /* Checksum */
+ __be16 app_tag; /* Opaque storage */
+ __be32 ref_tag; /* Target LBA or indirect LBA */
+};
+
+
+extern struct blk_integrity t10_pi_type1_crc;
+extern struct blk_integrity t10_pi_type1_ip;
+extern struct blk_integrity t10_pi_type3_crc;
+extern struct blk_integrity t10_pi_type3_ip;
+
+#endif