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2341c2f8c3
The T10 Protection Information format is also used by some devices that do not go through the SCSI layer (virtual block devices, NVMe). Relocate the relevant functions to a block layer library that can be used without involving SCSI. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
23 lines
486 B
C
23 lines
486 B
C
#ifndef _LINUX_T10_PI_H
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#define _LINUX_T10_PI_H
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#include <linux/types.h>
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#include <linux/blkdev.h>
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/*
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* T10 Protection Information tuple.
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*/
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struct t10_pi_tuple {
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__be16 guard_tag; /* Checksum */
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__be16 app_tag; /* Opaque storage */
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__be32 ref_tag; /* Target LBA or indirect LBA */
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};
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extern struct blk_integrity t10_pi_type1_crc;
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extern struct blk_integrity t10_pi_type1_ip;
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extern struct blk_integrity t10_pi_type3_crc;
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extern struct blk_integrity t10_pi_type3_ip;
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#endif
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