[PATCH 23/42] nsp32: use standard macros to set SCSI result

Hannes Reinecke
2021-04-21T17:50:31Z

Use standard macros to set the SCSI result to avoid shift and mask
error.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/nsp32.c | 47 ++++++++++++++++++++++----------------------
1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index 134bbd2d8b66..4a12ee577f2a 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -461,7 +461,7 @@ static int nsp32_selection_autopara(struct scsi_cmnd *SCpnt)
if (phase != BUSMON_BUS_FREE) {
nsp32_msg(KERN_WARNING, "bus busy");
show_busphase(phase & BUSMON_PHASE_MASK);
- SCpnt->result = DID_BUS_BUSY << 16;
+ set_host_byte(SCpnt, DID_BUS_BUSY);
return FALSE;
}

@@ -473,7 +473,7 @@ static int nsp32_selection_autopara(struct scsi_cmnd *SCpnt)
*/
if (data->msgout_len == 0) {
nsp32_msg(KERN_ERR, "SCSI MsgOut without any message!");
- SCpnt->result = DID_ERROR << 16;
+ set_host_byte(SCpnt, DID_ERROR);
return FALSE;
} else if (data->msgout_len > 0 && data->msgout_len <= 3) {
msgout = 0;
@@ -596,7 +596,7 @@ static int nsp32_selection_autoscsi(struct scsi_cmnd *SCpnt)
phase = nsp32_read1(base, SCSI_BUS_MONITOR);
if ((phase & BUSMON_BSY) || (phase & BUSMON_SEL)) {
nsp32_msg(KERN_WARNING, "bus busy");
- SCpnt->result = DID_BUS_BUSY << 16;
+ set_host_byte(SCpnt, DID_BUS_BUSY);
status = 1;
goto out;
}
@@ -632,7 +632,7 @@ static int nsp32_selection_autoscsi(struct scsi_cmnd *SCpnt)
*/
if (data->msgout_len == 0) {
nsp32_msg(KERN_ERR, "SCSI MsgOut without any message!");
- SCpnt->result = DID_ERROR << 16;
+ set_host_byte(SCpnt, DID_ERROR);
status = 1;
goto out;
} else if (data->msgout_len > 0 && data->msgout_len <= 3) {
@@ -762,11 +762,10 @@ static int nsp32_arbitration(struct scsi_cmnd *SCpnt, unsigned int base)

if (arbit & ARBIT_WIN) {
/* Arbitration succeeded */
- SCpnt->result = DID_OK << 16;
nsp32_index_write1(base, EXT_PORT, LED_ON); /* PCI LED on */
} else if (arbit & ARBIT_FAIL) {
/* Arbitration failed */
- SCpnt->result = DID_BUS_BUSY << 16;
+ set_host_byte(SCpnt, DID_BUS_BUSY);
status = FALSE;
} else {
/*
@@ -774,7 +773,7 @@ static int nsp32_arbitration(struct scsi_cmnd *SCpnt, unsigned int base)
* something lock up! guess no connection.
*/
nsp32_dbg(NSP32_DEBUG_AUTOSCSI, "arbit timeout");
- SCpnt->result = DID_NO_CONNECT << 16;
+ set_host_byte(SCpnt, DID_NO_CONNECT);
status = FALSE;
}

@@ -907,10 +906,12 @@ static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct s
SCpnt->device->id, SCpnt->device->lun, SCpnt->cmnd[0], SCpnt->cmd_len,
scsi_sg_count(SCpnt), scsi_sglist(SCpnt), scsi_bufflen(SCpnt));

+ set_host_byte(SCpnt, DID_OK);
+ set_status_byte(SCpnt, SAM_STAT_GOOD);
if (data->CurrentSC != NULL) {
nsp32_msg(KERN_ERR, "Currentsc != NULL. Cancel this command request");
data->CurrentSC = NULL;
- SCpnt->result = DID_NO_CONNECT << 16;
+ set_host_byte(SCpnt, DID_NO_CONNECT);
done(SCpnt);
return 0;
}
@@ -918,7 +919,7 @@ static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct s
/* check target ID is not same as this initiator ID */
if (scmd_id(SCpnt) == SCpnt->device->host->this_id) {
nsp32_dbg(NSP32_DEBUG_QUEUECOMMAND, "target==host???");
- SCpnt->result = DID_BAD_TARGET << 16;
+ set_host_byte(SCpnt, DID_BAD_TARGET);
done(SCpnt);
return 0;
}
@@ -926,7 +927,7 @@ static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct s
/* check target LUN is allowable value */
if (SCpnt->device->lun >= MAX_LUN) {
nsp32_dbg(NSP32_DEBUG_QUEUECOMMAND, "no more lun");
- SCpnt->result = DID_BAD_TARGET << 16;
+ set_host_byte(SCpnt, DID_BAD_TARGET);
done(SCpnt);
return 0;
}
@@ -958,7 +959,7 @@ static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct s
ret = nsp32_setup_sg_table(SCpnt);
if (ret == FALSE) {
nsp32_msg(KERN_ERR, "SGT fail");
- SCpnt->result = DID_ERROR << 16;
+ set_host_byte(SCpnt, DID_ERROR);
nsp32_scsi_done(SCpnt);
return 0;
}
@@ -1181,7 +1182,7 @@ static irqreturn_t do_nsp32_isr(int irq, void *dev_id)
nsp32_msg(KERN_INFO, "card disconnect");
if (data->CurrentSC != NULL) {
nsp32_msg(KERN_INFO, "clean up current SCSI command");
- SCpnt->result = DID_BAD_TARGET << 16;
+ set_host_byte(SCpnt, DID_BAD_TARGET);
nsp32_scsi_done(SCpnt);
}
goto out;
@@ -1199,7 +1200,7 @@ static irqreturn_t do_nsp32_isr(int irq, void *dev_id)
nsp32_msg(KERN_INFO, "detected someone do bus reset");
nsp32_do_bus_reset(data);
if (SCpnt != NULL) {
- SCpnt->result = DID_RESET << 16;
+ set_host_byte(SCpnt, DID_RESET);
nsp32_scsi_done(SCpnt);
}
goto out;
@@ -1227,7 +1228,7 @@ static irqreturn_t do_nsp32_isr(int irq, void *dev_id)
nsp32_dbg(NSP32_DEBUG_INTR,
"selection timeout occurred");

- SCpnt->result = DID_TIME_OUT << 16;
+ set_host_byte(SCpnt, DID_TIME_OUT);
nsp32_scsi_done(SCpnt);
goto out;
}
@@ -1309,7 +1310,8 @@ static irqreturn_t do_nsp32_isr(int irq, void *dev_id)
* low level driver to indicate status), then checks
* status_byte (SCSI status byte).
*/
- SCpnt->result = (int)nsp32_read1(base, SCSI_CSB_IN);
+ set_status_byte(SCpnt,
+ nsp32_read1(base, SCSI_CSB_IN));
}

if (auto_stat & ILLEGAL_PHASE) {
@@ -1666,20 +1668,19 @@ static int nsp32_busfree_occur(struct scsi_cmnd *SCpnt, unsigned short execph)
nsp32_dbg(NSP32_DEBUG_BUSFREE, "command complete");

SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN);
- SCpnt->SCp.Message = 0;
+ SCpnt->SCp.Message = COMMAND_COMPLETE;
nsp32_dbg(NSP32_DEBUG_BUSFREE,
"normal end stat=0x%x resid=0x%x\n",
SCpnt->SCp.Status, scsi_get_resid(SCpnt));
- SCpnt->result = (DID_OK << 16) |
- (SCpnt->SCp.Message << 8) |
- (SCpnt->SCp.Status << 0);
+ set_msg_byte(SCpnt, SCpnt->SCp.Message);
+ set_status_byte(SCpnt, SCpnt->SCp.Status);
nsp32_scsi_done(SCpnt);
/* All operation is done */
return TRUE;
} else if (execph & MSGIN_04_VALID) {
/* MsgIn 04: Disconnect */
- SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN);
- SCpnt->SCp.Message = 4;
+ set_status_byte(SCpnt, nsp32_read1(base, SCSI_CSB_IN));
+ SCpnt->SCp.Message = DISCONNECT;

nsp32_dbg(NSP32_DEBUG_BUSFREE, "disconnect");
return TRUE;
@@ -1689,7 +1690,7 @@ static int nsp32_busfree_occur(struct scsi_cmnd *SCpnt, unsigned short execph)

/* DID_ERROR? */
//SCpnt->result = (DID_OK << 16) | (SCpnt->SCp.Message << 8) | (SCpnt->SCp.Status << 0);
- SCpnt->result = DID_ERROR << 16;
+ set_host_byte(SCpnt, DID_ERROR);
nsp32_scsi_done(SCpnt);
return TRUE;
}
@@ -2812,7 +2813,7 @@ static int nsp32_eh_abort(struct scsi_cmnd *SCpnt)
nsp32_write2(base, TRANSFER_CONTROL, 0);
nsp32_write2(base, BM_CNT, 0);

- SCpnt->result = DID_ABORT << 16;
+ set_host_byte(SCpnt, DID_ABORT);
nsp32_scsi_done(SCpnt);

nsp32_dbg(NSP32_DEBUG_BUSRESET, "abort success");
--
2.29.2