The driver_byte field in the result is now unused, so we can drop
the definitions.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
Documentation/scsi/scsi_mid_low_api.txt | 3 +--
block/bsg-lib.c | 2 +-
block/bsg.c | 2 +-
block/scsi_ioctl.c | 2 +-
drivers/scsi/constants.c | 14 --------------
drivers/scsi/scsi_logging.c | 10 ++--------
drivers/scsi/sd.c | 9 ++++-----
drivers/scsi/sd_zbc.c | 4 ++--
drivers/scsi/sg.c | 5 ++---
drivers/scsi/sr.c | 2 +-
drivers/scsi/sr_ioctl.c | 2 +-
drivers/scsi/st.c | 4 ++--
include/scsi/scsi.h | 3 ---
include/scsi/scsi_cmnd.h | 4 ----
include/trace/events/scsi.h | 7 +------
15 files changed, 19 insertions(+), 54 deletions(-)
diff --git a/Documentation/scsi/scsi_mid_low_api.txt b/Documentation/scsi/scsi_mid_low_api.txt
index c1dd4939f4ae..ab072fff5fb8 100644
--- a/Documentation/scsi/scsi_mid_low_api.txt
+++ b/Documentation/scsi/scsi_mid_low_api.txt
@@ -1160,8 +1160,7 @@ Members of interest:
target device). 'result' is a 32 bit unsigned integer that
can be viewed as 4 related bytes. The SCSI status value is
in the LSB. See include/scsi/scsi.h status_byte(),
- msg_byte(), host_byte() and driver_byte() macros and
- related constants.
+ msg_byte() and host_byte() macros and related constants.
sense_buffer - an array (maximum size: SCSI_SENSE_BUFFERSIZE bytes) that
should be written when the SCSI status (LSB of 'result')
is set to CHECK_CONDITION (2). When CHECK_CONDITION is
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index 347dda16c2f4..bc0c813b3a99 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -84,7 +84,7 @@ static int bsg_transport_complete_rq(struct request *rq, struct sg_io_v4 *hdr)
*/
hdr->device_status = job->result & 0xff;
hdr->transport_status = host_byte(job->result);
- hdr->driver_status = driver_byte(job->result);
+ hdr->driver_status = 0;
hdr->info = 0;
if (hdr->device_status || hdr->transport_status || hdr->driver_status)
hdr->info |= SG_INFO_CHECK;
diff --git a/block/bsg.c b/block/bsg.c
index 833c44b3d458..dcde05348a48 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -96,7 +96,7 @@ static int bsg_scsi_complete_rq(struct request *rq, struct sg_io_v4 *hdr)
*/
hdr->device_status = sreq->result & 0xff;
hdr->transport_status = host_byte(sreq->result);
- hdr->driver_status = driver_byte(sreq->result);
+ hdr->driver_status = 0;
hdr->info = 0;
if (hdr->device_status || hdr->transport_status || hdr->driver_status)
hdr->info |= SG_INFO_CHECK;
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 1ab1b8d9641c..b8b9b72fab2a 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -252,7 +252,7 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr,
hdr->masked_status = status_byte(req->result);
hdr->msg_status = msg_byte(req->result);
hdr->host_status = host_byte(req->result);
- hdr->driver_status = driver_byte(req->result);
+ hdr->driver_status = 0;
hdr->info = 0;
if (hdr->masked_status || hdr->host_status || hdr->driver_status)
hdr->info |= SG_INFO_CHECK;
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index be7eacb67841..924131ea0b11 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -406,9 +406,6 @@ static const char * const hostbyte_table[]={
"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST", "DID_TARGET_FAILURE",
"DID_NEXUS_FAILURE" };
-static const char * const driverbyte_table[]={
-"DRIVER_OK"};
-
const char *scsi_hostbyte_string(int result)
{
const char *hb_string = NULL;
@@ -420,17 +417,6 @@ const char *scsi_hostbyte_string(int result)
}
EXPORT_SYMBOL(scsi_hostbyte_string);
-const char *scsi_driverbyte_string(int result)
-{
- const char *db_string = NULL;
- int db = driver_byte(result);
-
- if (db < ARRAY_SIZE(driverbyte_table))
- db_string = driverbyte_table[db];
- return db_string;
-}
-EXPORT_SYMBOL(scsi_driverbyte_string);
-
#define scsi_mlreturn_name(result) { result, #result }
static const struct value_name_pair scsi_mlreturn_arr[] = {
scsi_mlreturn_name(NEEDS_RETRY),
diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c
index c91fa3feb930..d0b646430375 100644
--- a/drivers/scsi/scsi_logging.c
+++ b/drivers/scsi/scsi_logging.c
@@ -389,7 +389,6 @@ void scsi_print_result(const struct scsi_cmnd *cmd, const char *msg,
size_t off, logbuf_len;
const char *mlret_string = scsi_mlreturn_string(disposition);
const char *hb_string = scsi_hostbyte_string(cmd->result);
- const char *db_string = scsi_driverbyte_string(cmd->result);
unsigned long cmd_age = (jiffies - cmd->jiffies_at_alloc) / HZ;
logbuf = scsi_log_reserve_buffer(&logbuf_len);
@@ -430,13 +429,8 @@ void scsi_print_result(const struct scsi_cmnd *cmd, const char *msg,
if (WARN_ON(off >= logbuf_len))
goto out_printk;
- if (db_string)
- off += scnprintf(logbuf + off, logbuf_len - off,
- "driverbyte=%s ", db_string);
- else
- off += scnprintf(logbuf + off, logbuf_len - off,
- "driverbyte=0x%02x ",
- driver_byte(cmd->result));
+ off += scnprintf(logbuf + off, logbuf_len - off,
+ "driverbyte=DRIVER_OK ");
off += scnprintf(logbuf + off, logbuf_len - off,
"cmd_age=%lus", cmd_age);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 220990183b6b..4599954b7bb0 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3716,16 +3716,15 @@ static void sd_print_result(const struct scsi_disk *sdkp, const char *msg,
int result)
{
const char *hb_string = scsi_hostbyte_string(result);
- const char *db_string = scsi_driverbyte_string(result);
- if (hb_string || db_string)
+ if (hb_string)
sd_printk(KERN_INFO, sdkp,
"%s: Result: hostbyte=%s driverbyte=%s\n", msg,
hb_string ? hb_string : "invalid",
- db_string ? db_string : "invalid");
+ "DRIVER_OK");
else
sd_printk(KERN_INFO, sdkp,
- "%s: Result: hostbyte=0x%02x driverbyte=0x%02x\n",
- msg, host_byte(result), driver_byte(result));
+ "%s: Result: hostbyte=0x%02x driverbyte=%s\n",
+ msg, host_byte(result), "DRIVER_OK");
}
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index de4019dc0f0b..d96a2506d965 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -87,9 +87,9 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf,
timeout, SD_MAX_RETRIES, NULL);
if (result) {
sd_printk(KERN_ERR, sdkp,
- "REPORT ZONES lba %llu failed with %d/%d\n",
+ "REPORT ZONES lba %llu failed with %d/0\n",
(unsigned long long)lba,
- host_byte(result), driver_byte(result));
+ host_byte(result));
return -EIO;
}
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index c85e095be337..cc2806991e5e 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1351,7 +1351,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status)
srp->header.masked_status = status_byte(result) >> 1;
srp->header.msg_status = msg_byte(result);
srp->header.host_status = host_byte(result);
- srp->header.driver_status = driver_byte(result);
+ srp->header.driver_status = 0;
if ((sdp->sgdebug > 0) &&
((SAM_STAT_CHECK_CONDITION == srp->header.status) ||
(SAM_STAT_COMMAND_TERMINATED == srp->header.status)))
@@ -1359,8 +1359,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status)
SCSI_SENSE_BUFFERSIZE);
/* Following if statement is a patch supplied by Eric Youngdale */
- if (driver_byte(result) != 0
- && scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, &sshdr)
+ if (scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, &sshdr)
&& !scsi_sense_is_deferred(&sshdr)
&& sshdr.sense_key == UNIT_ATTENTION
&& sdp->device->removable) {
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 4664fdf75c0f..05969bb1860c 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -336,7 +336,7 @@ static int sr_done(struct scsi_cmnd *SCpnt)
* care is taken to avoid unnecessary additional work such as
* memcpy's that could be avoided.
*/
- if (driver_byte(result) != 0 && /* An error occurred */
+ if (status_byte(result) == SAM_STAT_CHECK_CONDITION &&
(SCpnt->sense_buffer[0] & 0x7f) == 0x70) { /* Sense current */
switch (SCpnt->sense_buffer[2]) {
case MEDIUM_ERROR:
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index ffcf902da390..02bfbbfb6f03 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -205,7 +205,7 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
cgc->timeout, IOCTL_RETRIES, 0, 0, NULL);
/* Minimal error checking. Ignore cases we know about, and report the rest. */
- if (driver_byte(result) != 0) {
+ if (status_byte(result) == SAM_STAT_CHECK_CONDITION) {
switch (sshdr->sense_key) {
case UNIT_ATTENTION:
SDev->changed = 1;
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 5f38369cc62f..9ac262d6ccab 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -388,8 +388,8 @@ static int st_chk_result(struct scsi_tape *STp, struct st_request * SRpnt)
if (!debugging) { /* Abnormal conditions for tape */
if (!cmdstatp->have_sense)
st_printk(KERN_WARNING, STp,
- "Error %x (driver bt 0x%x, host bt 0x%x).\n",
- result, driver_byte(result), host_byte(result));
+ "Error %x (driver bt 0, host bt 0x%x).\n",
+ result, host_byte(result));
else if (cmdstatp->have_sense &&
scode != NO_SENSE &&
scode != RECOVERED_ERROR &&
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index d10308651f0a..a4b6bc9b6722 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -159,7 +159,6 @@ static inline int scsi_is_wlun(u64 lun)
* paths might yield different results */
#define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */
#define DID_MEDIUM_ERROR 0x13 /* Medium error */
-#define DRIVER_OK 0x00 /* Driver status */
/*
* Internal return values.
@@ -191,12 +190,10 @@ static inline int scsi_is_wlun(u64 lun)
* status byte = set from target device
* msg_byte = return status from host adapter itself.
* host_byte = set by low-level driver to indicate status.
- * driver_byte = set by mid-level.
*/
#define status_byte(result) (((result)) & 0xff)
#define msg_byte(result) (((result) >> 8) & 0xff)
#define host_byte(result) (((result) >> 16) & 0xff)
-#define driver_byte(result) (((result) >> 24) & 0xff)
#define sense_class(sense) (((sense) >> 4) & 0x7)
#define sense_error(sense) ((sense) & 0xf)
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 9b9ca629097d..fe1ac844c114 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -322,10 +322,6 @@ static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
cmd->result = (cmd->result & 0xff00ffff) | (status << 16);
}
-static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
-{
- cmd->result = (cmd->result & 0x00ffffff) | (status << 24);
-}
static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
{
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
index 5984db6996bb..428cca71c2ba 100644
--- a/include/trace/events/scsi.h
+++ b/include/trace/events/scsi.h
@@ -124,11 +124,6 @@
scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED), \
scsi_hostbyte_name(DID_TRANSPORT_FAILFAST))
-#define scsi_driverbyte_name(result) { result, #result }
-#define show_driverbyte_name(val) \
- __print_symbolic(val, \
- scsi_driverbyte_name(DRIVER_OK))
-
#define scsi_msgbyte_name(result) { result, #result }
#define show_msgbyte_name(val) \
__print_symbolic(val, \
@@ -319,7 +314,7 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
show_opcode_name(__entry->opcode),
__parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
__print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
- show_driverbyte_name(((__entry->result) >> 24) & 0xff),
+ "DRIVER_OK",
show_hostbyte_name(((__entry->result) >> 16) & 0xff),
show_msgbyte_name(((__entry->result) >> 8) & 0xff),
show_statusbyte_name(__entry->result & 0xff))
--
2.16.4
