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authorMartin K. Petersen <martin.petersen@oracle.com>2008-06-25 11:22:42 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-07-12 08:22:32 -0500
commitf11f594edba7f689af9792a5673ed59d660ad371 (patch)
tree4fae88f3893ce57f2f85280d16330fc61a943d44 /include/linux/crc-t10dif.h
parent5b635da11e3a6387172abd651d26d8ef54b1fbc7 (diff)
[SCSI] lib: Add support for the T10 (SCSI) Data Integrity Field CRC
The SCSI Block Protocol uses this 16-bit CRC to verify the integrity of each data sector. crc_t10dif() is used by sd_dif.c when performing I/O to or from disks formatted with protection information. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'include/linux/crc-t10dif.h')
-rw-r--r--include/linux/crc-t10dif.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
new file mode 100644
index 00000000000..a9c96d865ee
--- /dev/null
+++ b/include/linux/crc-t10dif.h
@@ -0,0 +1,8 @@
+#ifndef _LINUX_CRC_T10DIF_H
+#define _LINUX_CRC_T10DIF_H
+
+#include <linux/types.h>
+
+__u16 crc_t10dif(unsigned char const *, size_t);
+
+#endif