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path: root/drivers/scsi/sd_dif.c
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Diffstat (limited to 'drivers/scsi/sd_dif.c')
-rw-r--r--drivers/scsi/sd_dif.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 3ebb1f28949..184dff49279 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -142,7 +142,7 @@ static int sd_dif_type1_verify_ip(struct blk_integrity_exchg *bix)
static void sd_dif_type1_set_tag(void *prot, void *tag_buf, unsigned int sectors)
{
struct sd_dif_tuple *sdt = prot;
- char *tag = tag_buf;
+ u8 *tag = tag_buf;
unsigned int i, j;
for (i = 0, j = 0 ; i < sectors ; i++, j += 2, sdt++) {
@@ -154,7 +154,7 @@ static void sd_dif_type1_set_tag(void *prot, void *tag_buf, unsigned int sectors
static void sd_dif_type1_get_tag(void *prot, void *tag_buf, unsigned int sectors)
{
struct sd_dif_tuple *sdt = prot;
- char *tag = tag_buf;
+ u8 *tag = tag_buf;
unsigned int i, j;
for (i = 0, j = 0 ; i < sectors ; i++, j += 2, sdt++) {
@@ -256,7 +256,7 @@ static int sd_dif_type3_verify_ip(struct blk_integrity_exchg *bix)
static void sd_dif_type3_set_tag(void *prot, void *tag_buf, unsigned int sectors)
{
struct sd_dif_tuple *sdt = prot;
- char *tag = tag_buf;
+ u8 *tag = tag_buf;
unsigned int i, j;
for (i = 0, j = 0 ; i < sectors ; i++, j += 6, sdt++) {
@@ -269,7 +269,7 @@ static void sd_dif_type3_set_tag(void *prot, void *tag_buf, unsigned int sectors
static void sd_dif_type3_get_tag(void *prot, void *tag_buf, unsigned int sectors)
{
struct sd_dif_tuple *sdt = prot;
- char *tag = tag_buf;
+ u8 *tag = tag_buf;
unsigned int i, j;
for (i = 0, j = 0 ; i < sectors ; i++, j += 2, sdt++) {
@@ -374,7 +374,10 @@ void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsig
else
csum_convert = 0;
+ BUG_ON(dif && (scmd->cmnd[0] == READ_6 || scmd->cmnd[0] == WRITE_6));
+
switch (scmd->cmnd[0]) {
+ case READ_6:
case READ_10:
case READ_12:
case READ_16:
@@ -390,6 +393,7 @@ void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsig
break;
+ case WRITE_6:
case WRITE_10:
case WRITE_12:
case WRITE_16:
@@ -475,8 +479,9 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
error:
kunmap_atomic(sdt, KM_USER0);
- sd_printk(KERN_ERR, sdkp, "%s: virt %u, phys %u, ref %u\n",
- __func__, virt, phys, be32_to_cpu(sdt->ref_tag));
+ sd_printk(KERN_ERR, sdkp, "%s: virt %u, phys %u, ref %u, app %4x\n",
+ __func__, virt, phys, be32_to_cpu(sdt->ref_tag),
+ be16_to_cpu(sdt->app_tag));
return -EIO;
}