Instead of open coding the sense buffer construction, use
scsi scsi_build_sense_buffer() and scsi_set_sense_information()
helpers which moved to scsi_common.
Signed-off-by: Sagi Grimberg <sa...@mellanox.com>
---
drivers/target/target_core_spc.c | 31 +++++--------------------------
drivers/target/target_core_transport.c | 20 +++-----------------
include/target/target_core_base.h | 1 +
3 files changed, 9 insertions(+), 43 deletions(-)
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index b074443..c43dcbf 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -1157,32 +1157,11 @@ static sense_reason_t spc_emulate_request_sense(struct
se_cmd *cmd)
if (!rbuf)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) {
- /*
- * CURRENT ERROR, UNIT ATTENTION
- */
- buf[0] = 0x70;
- buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
-
- /*
- * The Additional Sense Code (ASC) from the UNIT ATTENTION
- */
- buf[SPC_ASC_KEY_OFFSET] = ua_asc;
- buf[SPC_ASCQ_KEY_OFFSET] = ua_ascq;
- buf[7] = 0x0A;
- } else {
- /*
- * CURRENT ERROR, NO SENSE
- */
- buf[0] = 0x70;
- buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE;
-
- /*
- * NO ADDITIONAL SENSE INFORMATION
- */
- buf[SPC_ASC_KEY_OFFSET] = 0x00;
- buf[7] = 0x0A;
- }
+ if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq))
+ scsi_build_sense_buffer(0, buf, UNIT_ATTENTION,
+ ua_asc, ua_ascq);
+ else
+ scsi_build_sense_buffer(0, buf, NO_SENSE, 0x0, 0x0);
memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
transport_kunmap_data_sg(cmd);
diff --git a/drivers/target/target_core_transport.c
b/drivers/target/target_core_transport.c
index fb134d9..0181f8b 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2620,19 +2620,6 @@ bool transport_wait_for_tasks(struct se_cmd *cmd)
}
EXPORT_SYMBOL(transport_wait_for_tasks);
-static
-void transport_err_sector_info(unsigned char *buffer, sector_t bad_sector)
-{
- /* Place failed LBA in sense data information descriptor 0. */
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 0xc;
- buffer[SPC_DESC_TYPE_OFFSET] = 0; /* Information */
- buffer[SPC_ADDITIONAL_DESC_LEN_OFFSET] = 0xa;
- buffer[SPC_VALIDITY_OFFSET] = 0x80;
-
- /* Descriptor Information: failing sector */
- put_unaligned_be64(bad_sector, &buffer[12]);
-}
-
struct sense_info {
u8 key;
u8 asc;
@@ -2759,7 +2746,6 @@ static void translate_sense_reason(struct se_cmd *cmd,
sense_reason_t reason)
si = &sense_info_table[(__force int)
TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE];
- buffer[SPC_SENSE_KEY_OFFSET] = si->key;
if (r == (__force int)TCM_CHECK_CONDITION_UNIT_ATTENTION) {
core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
WARN_ON_ONCE(asc == 0);
@@ -2771,10 +2757,10 @@ static void translate_sense_reason(struct se_cmd *cmd,
sense_reason_t reason)
asc = si->asc;
ascq = si->ascq;
}
- buffer[SPC_ASC_KEY_OFFSET] = asc;
- buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
+
+ scsi_build_sense_buffer(0, buffer, si->key, asc, ascq);
if (si->add_sector_info)
- transport_err_sector_info(cmd->sense_buffer, cmd->bad_sector);
+ scsi_set_sense_information(buffer, cmd->bad_sector);
}
int
diff --git a/include/target/target_core_base.h
b/include/target/target_core_base.h
index a681644..47dea1b 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -7,6 +7,7 @@
#include <linux/blkdev.h>
#include <linux/percpu_ida.h>
#include <linux/t10-pi.h>
+#include <scsi/scsi_common.h>
#include <net/sock.h>
#include <net/tcp.h>
--
1.8.4.3
--
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