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scsi: qla2xxx: Introduce a function for computing the debug message prefix 

Instead of repeating the code for generating a debug message prefix six
times, introduce a function for computing the debug message prefix.

Link: https://lore.kernel.org/r/20200629225454.22863-10-bvanassche@acm.org
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2020-06-29 15:54:54 -07:00 committed by Martin K. Petersen
parent f85a299f5e
commit e7019c95c4
1 changed files with 32 additions and 64 deletions
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96
drivers/scsi/qla2xxx/qla_dbg.c
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@ -2447,6 +2447,23 @@ qla83xx_fw_dump(scsi_qla_host_t *vha)
/* Driver Debug Functions. */
/****************************************************************************/
/* Write the debug message prefix into @pbuf. */
static void ql_dbg_prefix(char *pbuf, int pbuf_size,
const scsi_qla_host_t *vha, uint msg_id)
{
if (vha) {
const struct pci_dev *pdev = vha->hw->pdev;
/* <module-name> [<dev-name>]-<msg-id>:<host>: */
snprintf(pbuf, pbuf_size, "%s [%s]-%04x:%ld: ", QL_MSGHDR,
dev_name(&(pdev->dev)), msg_id, vha->host_no);
} else {
/* <module-name> [<dev-name>]-<msg-id>: : */
snprintf(pbuf, pbuf_size, "%s [%s]-%04x: : ", QL_MSGHDR,
"0000:00:00.0", msg_id);
}
}
/*
* This function is for formatting and logging debug information.
* It is to be used when vha is available. It formats the message
@ -2465,41 +2482,19 @@ ql_dbg(uint level, scsi_qla_host_t *vha, uint id, const char *fmt, ...)
{
va_list va;
struct va_format vaf;
char pbuf[64];
va_start(va, fmt);
vaf.fmt = fmt;
vaf.va = &va;
if (!ql_mask_match(level)) {
char pbuf[64];
ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), vha, id);
if (vha != NULL) {
const struct pci_dev *pdev = vha->hw->pdev;
/* <module-name> <msg-id>:<host> Message */
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x:%ld: ",
QL_MSGHDR, dev_name(&(pdev->dev)), id,
vha->host_no);
} else {
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
QL_MSGHDR, "0000:00:00.0", id);
}
pbuf[sizeof(pbuf) - 1] = 0;
if (!ql_mask_match(level))
trace_ql_dbg_log(pbuf, &vaf);
va_end(va);
return;
}
if (vha != NULL) {
const struct pci_dev *pdev = vha->hw->pdev;
/* <module-name> <pci-name> <msg-id>:<host> Message */
pr_warn("%s [%s]-%04x:%ld: %pV",
QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset,
vha->host_no, &vaf);
} else {
pr_warn("%s [%s]-%04x: : %pV",
QL_MSGHDR, "0000:00:00.0", id + ql_dbg_offset, &vaf);
}
else
pr_warn("%s%pV", pbuf, &vaf);
va_end(va);
@ -2524,6 +2519,7 @@ ql_dbg_pci(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
{
va_list va;
struct va_format vaf;
char pbuf[128];
if (pdev == NULL)
return;
@ -2535,9 +2531,8 @@ ql_dbg_pci(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
vaf.fmt = fmt;
vaf.va = &va;
/* <module-name> <dev-name>:<msg-id> Message */
pr_warn("%s [%s]-%04x: : %pV",
QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset, &vaf);
ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), NULL, id + ql_dbg_offset);
pr_warn("%s%pV", pbuf, &vaf);
va_end(va);
}
@ -2565,16 +2560,7 @@ ql_log(uint level, scsi_qla_host_t *vha, uint id, const char *fmt, ...)
if (level > ql_errlev)
return;
if (vha != NULL) {
const struct pci_dev *pdev = vha->hw->pdev;
/* <module-name> <msg-id>:<host> Message */
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x:%ld: ",
QL_MSGHDR, dev_name(&(pdev->dev)), id, vha->host_no);
} else {
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
QL_MSGHDR, "0000:00:00.0", id);
}
pbuf[sizeof(pbuf) - 1] = 0;
ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), vha, id);
va_start(va, fmt);
@ -2625,10 +2611,7 @@ ql_log_pci(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
if (level > ql_errlev)
return;
/* <module-name> <dev-name>:<msg-id> Message */
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
QL_MSGHDR, dev_name(&(pdev->dev)), id);
pbuf[sizeof(pbuf) - 1] = 0;
ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), NULL, id);
va_start(va, fmt);
@ -2724,16 +2707,7 @@ ql_log_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
if (level > ql_errlev)
return;
if (qpair != NULL) {
const struct pci_dev *pdev = qpair->pdev;
/* <module-name> <msg-id>:<host> Message */
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: ",
QL_MSGHDR, dev_name(&(pdev->dev)), id);
} else {
snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
QL_MSGHDR, "0000:00:00.0", id);
}
pbuf[sizeof(pbuf) - 1] = 0;
ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), qpair ? qpair->vha : NULL, id);
va_start(va, fmt);
@ -2777,6 +2751,7 @@ ql_dbg_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
{
va_list va;
struct va_format vaf;
char pbuf[128];
if (!ql_mask_match(level))
return;
@ -2786,16 +2761,9 @@ ql_dbg_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
vaf.fmt = fmt;
vaf.va = &va;
if (qpair != NULL) {
const struct pci_dev *pdev = qpair->pdev;
/* <module-name> <pci-name> <msg-id>:<host> Message */
pr_warn("%s [%s]-%04x: %pV",
QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset,
&vaf);
} else {
pr_warn("%s [%s]-%04x: : %pV",
QL_MSGHDR, "0000:00:00.0", id + ql_dbg_offset, &vaf);
}
ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), qpair ? qpair->vha : NULL,
id + ql_dbg_offset);
pr_warn("%s%pV", pbuf, &vaf);
va_end(va);