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path: root/kernel/drivers/scsi/sd_dif.c
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Diffstat (limited to 'kernel/drivers/scsi/sd_dif.c')
-rw-r--r--kernel/drivers/scsi/sd_dif.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/kernel/drivers/scsi/sd_dif.c b/kernel/drivers/scsi/sd_dif.c
index 5c06d292b..987bf392c 100644
--- a/kernel/drivers/scsi/sd_dif.c
+++ b/kernel/drivers/scsi/sd_dif.c
@@ -43,6 +43,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
struct scsi_device *sdp = sdkp->device;
struct gendisk *disk = sdkp->disk;
u8 type = sdkp->protection_type;
+ struct blk_integrity bi;
int dif, dix;
dif = scsi_host_dif_capable(sdp->host, type);
@@ -55,39 +56,43 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
if (!dix)
return;
+ memset(&bi, 0, sizeof(bi));
+
/* Enable DMA of protection information */
if (scsi_host_get_guard(sdkp->device->host) & SHOST_DIX_GUARD_IP) {
if (type == SD_DIF_TYPE3_PROTECTION)
- blk_integrity_register(disk, &t10_pi_type3_ip);
+ bi.profile = &t10_pi_type3_ip;
else
- blk_integrity_register(disk, &t10_pi_type1_ip);
+ bi.profile = &t10_pi_type1_ip;
- disk->integrity->flags |= BLK_INTEGRITY_IP_CHECKSUM;
+ bi.flags |= BLK_INTEGRITY_IP_CHECKSUM;
} else
if (type == SD_DIF_TYPE3_PROTECTION)
- blk_integrity_register(disk, &t10_pi_type3_crc);
+ bi.profile = &t10_pi_type3_crc;
else
- blk_integrity_register(disk, &t10_pi_type1_crc);
+ bi.profile = &t10_pi_type1_crc;
+ bi.tuple_size = sizeof(struct t10_pi_tuple);
sd_printk(KERN_NOTICE, sdkp,
- "Enabling DIX %s protection\n", disk->integrity->name);
+ "Enabling DIX %s protection\n", bi.profile->name);
- /* Signal to block layer that we support sector tagging */
if (dif && type) {
-
- disk->integrity->flags |= BLK_INTEGRITY_DEVICE_CAPABLE;
+ bi.flags |= BLK_INTEGRITY_DEVICE_CAPABLE;
if (!sdkp->ATO)
- return;
+ goto out;
if (type == SD_DIF_TYPE3_PROTECTION)
- disk->integrity->tag_size = sizeof(u16) + sizeof(u32);
+ bi.tag_size = sizeof(u16) + sizeof(u32);
else
- disk->integrity->tag_size = sizeof(u16);
+ bi.tag_size = sizeof(u16);
sd_printk(KERN_NOTICE, sdkp, "DIF application tag size %u\n",
- disk->integrity->tag_size);
+ bi.tag_size);
}
+
+out:
+ blk_integrity_register(disk, &bi);
}
/*