Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
scsi: add support for user-meta interface
Add support for sending user-meta buffer. Set tags to be checked
using flags specified by user/block-layer.
With this change, BIP_CTRL_NOCHECK becomes unused. Remove it.
Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20241128112240.8867-10-anuj20.g@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
authored by
Anuj Gupta
and committed by
Jens Axboe
18623503
472292cd
+9
-11
+2
-2
drivers/scsi/sd.c
+2
-2
drivers/scsi/sd.c
···
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if (bio_integrity_flagged(bio, BIP_IP_CHECKSUM))
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scmd->prot_flags |= SCSI_PROT_IP_CHECKSUM;
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-
if (bio_integrity_flagged(bio, BIP_CTRL_NOCHECK) == false)
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+
if (bio_integrity_flagged(bio, BIP_CHECK_GUARD))
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scmd->prot_flags |= SCSI_PROT_GUARD_CHECK;
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}
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if (dif != T10_PI_TYPE3_PROTECTION) { /* DIX/DIF Type 0, 1, 2 */
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scmd->prot_flags |= SCSI_PROT_REF_INCREMENT;
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-
if (bio_integrity_flagged(bio, BIP_CTRL_NOCHECK) == false)
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+
if (bio_integrity_flagged(bio, BIP_CHECK_REFTAG))
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scmd->prot_flags |= SCSI_PROT_REF_CHECK;
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}
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+7
-9
include/linux/bio-integrity.h
+7
-9
include/linux/bio-integrity.h
···
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enum bip_flags {
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BIP_BLOCK_INTEGRITY = 1 << 0, /* block layer owns integrity data */
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BIP_MAPPED_INTEGRITY = 1 << 1, /* ref tag has been remapped */
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-
BIP_CTRL_NOCHECK = 1 << 2, /* disable HBA integrity checking */
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-
BIP_DISK_NOCHECK = 1 << 3, /* disable disk integrity checking */
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-
BIP_IP_CHECKSUM = 1 << 4, /* IP checksum */
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-
BIP_COPY_USER = 1 << 5, /* Kernel bounce buffer in use */
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-
BIP_CHECK_GUARD = 1 << 6, /* guard check */
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-
BIP_CHECK_REFTAG = 1 << 7, /* reftag check */
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-
BIP_CHECK_APPTAG = 1 << 8, /* apptag check */
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+
BIP_DISK_NOCHECK = 1 << 2, /* disable disk integrity checking */
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+
BIP_IP_CHECKSUM = 1 << 3, /* IP checksum */
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+
BIP_COPY_USER = 1 << 4, /* Kernel bounce buffer in use */
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+
BIP_CHECK_GUARD = 1 << 5, /* guard check */
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+
BIP_CHECK_REFTAG = 1 << 6, /* reftag check */
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+
BIP_CHECK_APPTAG = 1 << 7, /* apptag check */
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};
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struct bio_integrity_payload {
···
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struct bio_vec bip_inline_vecs[];/* embedded bvec array */
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};
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-
#define BIP_CLONE_FLAGS (BIP_MAPPED_INTEGRITY | BIP_CTRL_NOCHECK | \
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-
BIP_DISK_NOCHECK | BIP_IP_CHECKSUM | \
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+
#define BIP_CLONE_FLAGS (BIP_MAPPED_INTEGRITY | BIP_IP_CHECKSUM | \
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BIP_CHECK_GUARD | BIP_CHECK_REFTAG | BIP_CHECK_APPTAG)
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#ifdef CONFIG_BLK_DEV_INTEGRITY