From: Bart Van Assche <bvanassche@acm.org>
Date: Mon, 29 Jun 2020 15:54:54 -0700
Subject: scsi: qla2xxx: Introduce a function for computing the debug message
prefix
Patch-mainline: v5.9-rc1
Git-commit: e7019c95c40daf8e8a9fa1d5f36eabce2eb8ef6b
References: bsc#1171688 bsc#1174003
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>
---
drivers/scsi/qla2xxx/qla_dbg.c | 96 +++++++++++++----------------------------
1 file changed, 32 insertions(+), 64 deletions(-)
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -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,
{
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 *p
{
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 *p
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,
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 *p
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_qpa
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_qpa
{
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_qpa
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);