[PATCH 18/42] dc395: use standard macros to set SCSI result

Hannes Reinecke
2021-04-21T17:50:27Z

Use standard macros to set the SCSI result and drop the internal ones.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/dc395x.c | 72 ++++++++++++++++---------------------------
1 file changed, 26 insertions(+), 46 deletions(-)

diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index a713fe605dda..122b64c14b0e 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -160,22 +160,6 @@
#define DC395x_write16(acb,address,value) outw((value), acb->io_port_base + (address))
#define DC395x_write32(acb,address,value) outl((value), acb->io_port_base + (address))

-/* cmd->result */
-#define RES_TARGET 0x000000FF /* Target State */
-#define RES_TARGET_LNX STATUS_MASK /* Only official ... */
-#define RES_ENDMSG 0x0000FF00 /* End Message */
-#define RES_DID 0x00FF0000 /* DID_ codes */
-#define RES_DRV 0xFF000000 /* DRIVER_ codes */
-
-#define MK_RES(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt))
-#define MK_RES_LNX(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | (int)(msg)<<8 | (int)(tgt)<<1)
-
-#define SET_RES_TARGET(who,tgt) { who &= ~RES_TARGET; who |= (int)(tgt); }
-#define SET_RES_TARGET_LNX(who,tgt) { who &= ~RES_TARGET_LNX; who |= (int)(tgt) << 1; }
-#define SET_RES_MSG(who,msg) { who &= ~RES_ENDMSG; who |= (int)(msg) << 8; }
-#define SET_RES_DID(who,did) { who &= ~RES_DID; who |= (int)(did) << 16; }
-#define SET_RES_DRV(who,drv) { who &= ~RES_DRV; who |= (int)(drv) << 24; }
-
#define TAG_NONE 255

/*
@@ -986,7 +970,7 @@ static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct s
cmd, cmd->device->id, (u8)cmd->device->lun, cmd->cmnd[0]);

/* Assume BAD_TARGET; will be cleared later */
- cmd->result = DID_BAD_TARGET << 16;
+ set_host_byte(cmd, DID_BAD_TARGET);

/* ignore invalid targets */
if (cmd->device->id >= acb->scsi_host->max_id ||
@@ -1013,7 +997,8 @@ static int dc395x_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct s

/* set callback and clear result in the command */
cmd->scsi_done = done;
- cmd->result = 0;
+ set_host_byte(cmd, DID_OK);
+ set_status_byte(cmd, SAM_STAT_GOOD);

srb = list_first_entry_or_null(&acb->srb_free_list,
struct ScsiReqBlk, list);
@@ -1250,7 +1235,7 @@ static int dc395x_eh_abort(struct scsi_cmnd *cmd)
free_tag(dcb, srb);
list_add_tail(&srb->list, &acb->srb_free_list);
dprintkl(KERN_DEBUG, "eh_abort: Command was waiting\n");
- cmd->result = DID_ABORT << 16;
+ set_host_byte(cmd, DID_ABORT);
return SUCCESS;
}
srb = find_cmd(cmd, &dcb->srb_going_list);
@@ -3178,6 +3163,8 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
srb, scsi_sg_count(cmd), srb->sg_index, srb->sg_count,
scsi_sgtalbe(cmd));
status = srb->target_status;
+ set_host_byte(cmd, DID_OK);
+ set_status_byte(cmd, SAM_STAT_GOOD);
if (srb->flag & AUTO_REQSENSE) {
dprintkdbg(DBG_0, "srb_done: AUTO_REQSENSE1\n");
pci_unmap_srb_sense(acb, srb);
@@ -3186,7 +3173,7 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
*/
srb->flag &= ~AUTO_REQSENSE;
srb->adapter_status = 0;
- srb->target_status = CHECK_CONDITION << 1;
+ srb->target_status = SAM_STAT_CHECK_CONDITION;
if (debug_enabled(DBG_1)) {
switch (cmd->sense_buffer[2] & 0x0f) {
case NOT_READY:
@@ -3233,15 +3220,14 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
*((unsigned int *)(cmd->sense_buffer + 3)));
}

- if (status == (CHECK_CONDITION << 1)) {
- cmd->result = DID_BAD_TARGET << 16;
+ if (status == SAM_STAT_CHECK_CONDITION) {
+ set_host_byte(cmd, DID_BAD_TARGET);
goto ckc_e;
}
dprintkdbg(DBG_0, "srb_done: AUTO_REQSENSE2\n");

- cmd->result =
- MK_RES(0, DID_OK,
- srb->end_message, SAM_STAT_CHECK_CONDITION);
+ set_msg_byte(cmd, srb->end_message);
+ set_status_byte(cmd, SAM_STAT_CHECK_CONDITION);

goto ckc_e;
}
@@ -3270,13 +3256,12 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
} else if (status == SCSI_STAT_SEL_TIMEOUT) {
srb->adapter_status = H_SEL_TIMEOUT;
srb->target_status = 0;
- cmd->result = DID_NO_CONNECT << 16;
+ set_host_byte(cmd, DID_NO_CONNECT);
} else {
srb->adapter_status = 0;
- SET_RES_DID(cmd->result, DID_ERROR);
- SET_RES_MSG(cmd->result, srb->end_message);
- SET_RES_TARGET(cmd->result, status);
-
+ set_host_byte(cmd, DID_ERROR);
+ set_msg_byte(cmd, srb->end_message);
+ set_status_byte(cmd, status);
}
} else {
/*
@@ -3285,16 +3270,14 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
status = srb->adapter_status;
if (status & H_OVER_UNDER_RUN) {
srb->target_status = 0;
- SET_RES_DID(cmd->result, DID_OK);
- SET_RES_MSG(cmd->result, srb->end_message);
+ set_msg_byte(cmd, srb->end_message);
} else if (srb->status & PARITY_ERROR) {
- SET_RES_DID(cmd->result, DID_PARITY);
- SET_RES_MSG(cmd->result, srb->end_message);
+ set_host_byte(cmd, DID_PARITY);
+ set_msg_byte(cmd, srb->end_message);
} else { /* No error */

srb->adapter_status = 0;
srb->target_status = 0;
- SET_RES_DID(cmd->result, DID_OK);
}
}

@@ -3315,15 +3298,15 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
base = scsi_kmap_atomic_sg(sg, scsi_sg_count(cmd), &offset, &len);
ptr = (struct ScsiInqData *)(base + offset);

- if (!ckc_only && (cmd->result & RES_DID) == 0
+ if (!ckc_only && get_host_byte(cmd) == DID_OK
&& cmd->cmnd[2] == 0 && scsi_bufflen(cmd) >= 8
&& dir != DMA_NONE && ptr && (ptr->Vers & 0x07) >= 2)
dcb->inquiry7 = ptr->Flags;

/*if( srb->cmd->cmnd[0] == INQUIRY && */
/* (host_byte(cmd->result) == DID_OK || status_byte(cmd->result) & CHECK_CONDITION) ) */
- if ((cmd->result == (DID_OK << 16) ||
- status_byte(cmd->result) == CHECK_CONDITION)) {
+ if ((get_host_byte(cmd) == DID_OK) ||
+ (get_status_byte(cmd) == SAM_STAT_CHECK_CONDITION)) {
if (!dcb->init_tcq_flag) {
add_dev(acb, dcb, ptr);
dcb->init_tcq_flag = 1;
@@ -3350,7 +3333,7 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
if (srb != acb->tmp_srb) {
/* Add to free list */
dprintkdbg(DBG_0, "srb_done: (0x%p) done result=0x%08x\n",
- cmd, cmd->result);
+ cmd, scsi_get_compat_result(cmd));
list_move_tail(&srb->list, &acb->srb_free_list);
} else {
dprintkl(KERN_ERR, "srb_done: ERROR! Completed cmd with tmp_srb\n");
@@ -3374,16 +3357,14 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,
struct scsi_cmnd *p;

list_for_each_entry_safe(srb, tmp, &dcb->srb_going_list, list) {
- int result;
-
p = srb->cmd;
- result = MK_RES(0, did_flag, 0, 0);
printk("G:%p(%02i-%i) ", p,
p->device->id, (u8)p->device->lun);
list_del(&srb->list);
free_tag(dcb, srb);
list_add_tail(&srb->list, &acb->srb_free_list);
- p->result = result;
+ set_host_byte(p, did_flag);
+ set_status_byte(p, SAM_STAT_GOOD);
pci_unmap_srb_sense(acb, srb);
pci_unmap_srb(acb, srb);
if (force) {
@@ -3404,14 +3385,13 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,

/* Waiting queue */
list_for_each_entry_safe(srb, tmp, &dcb->srb_waiting_list, list) {
- int result;
p = srb->cmd;

- result = MK_RES(0, did_flag, 0, 0);
printk("W:%p<%02i-%i>", p, p->device->id,
(u8)p->device->lun);
list_move_tail(&srb->list, &acb->srb_free_list);
- p->result = result;
+ set_host_byte(p, did_flag);
+ set_status_byte(p, SAM_STAT_GOOD);
pci_unmap_srb_sense(acb, srb);
pci_unmap_srb(acb, srb);
if (force) {
--
2.29.2