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path: root/drivers/scsi/lpfc/lpfc_scsi.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c96
1 files changed, 29 insertions, 67 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 2c7e0b22db2f..ad62fb3f3a54 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
+ * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term *
* “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
* Copyright (C) 2004-2016 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
@@ -671,8 +671,10 @@ lpfc_get_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
lpfc_cmd->prot_data_type = 0;
#endif
tmp = lpfc_get_cmd_rsp_buf_per_hdwq(phba, lpfc_cmd);
- if (!tmp)
+ if (!tmp) {
+ lpfc_release_io_buf(phba, lpfc_cmd, lpfc_cmd->hdwq);
return NULL;
+ }
lpfc_cmd->fcp_cmnd = tmp->fcp_cmnd;
lpfc_cmd->fcp_rsp = tmp->fcp_rsp;
@@ -3803,9 +3805,6 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
struct Scsi_Host *shost;
int idx;
uint32_t logit = LOG_FCP;
-#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- int cpu;
-#endif
/* Guard against abort handler being called at same time */
spin_lock(&lpfc_cmd->buf_lock);
@@ -3824,11 +3823,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
phba->sli4_hba.hdwq[idx].scsi_cstat.io_cmpls++;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- if (unlikely(phba->cpucheck_on & LPFC_CHECK_SCSI_IO)) {
- cpu = raw_smp_processor_id();
- if (cpu < LPFC_CHECK_CPU_CNT && phba->sli4_hba.hdwq)
- phba->sli4_hba.hdwq[idx].cpucheck_cmpl_io[cpu]++;
- }
+ if (unlikely(phba->hdwqstat_on & LPFC_CHECK_SCSI_IO))
+ this_cpu_inc(phba->sli4_hba.c_stat->cmpl_io);
#endif
shost = cmd->device->host;
@@ -4029,6 +4025,14 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
lpfc_cmd->pCmd = NULL;
spin_unlock(&lpfc_cmd->buf_lock);
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ if (lpfc_cmd->ts_cmd_start) {
+ lpfc_cmd->ts_isr_cmpl = pIocbIn->isr_timestamp;
+ lpfc_cmd->ts_data_io = ktime_get_ns();
+ phba->ktime_last_cmd = lpfc_cmd->ts_data_io;
+ lpfc_io_ktime(phba, lpfc_cmd);
+ }
+#endif
/* The sdev is not guaranteed to be valid post scsi_done upcall. */
cmd->scsi_done(cmd);
@@ -4502,7 +4506,10 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
int err, idx;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- int cpu;
+ uint64_t start = 0L;
+
+ if (phba->ktime_on)
+ start = ktime_get_ns();
#endif
rdata = lpfc_rport_data_from_scsi_device(cmnd->device);
@@ -4624,17 +4631,20 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
lpfc_scsi_prep_cmnd(vport, lpfc_cmd, ndlp);
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- if (unlikely(phba->cpucheck_on & LPFC_CHECK_SCSI_IO)) {
- cpu = raw_smp_processor_id();
- if (cpu < LPFC_CHECK_CPU_CNT) {
- struct lpfc_sli4_hdw_queue *hdwq =
- &phba->sli4_hba.hdwq[lpfc_cmd->hdwq_no];
- hdwq->cpucheck_xmt_io[cpu]++;
- }
- }
+ if (unlikely(phba->hdwqstat_on & LPFC_CHECK_SCSI_IO))
+ this_cpu_inc(phba->sli4_hba.c_stat->xmt_io);
#endif
err = lpfc_sli_issue_iocb(phba, LPFC_FCP_RING,
&lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ if (start) {
+ lpfc_cmd->ts_cmd_start = start;
+ lpfc_cmd->ts_last_cmd = phba->ktime_last_cmd;
+ lpfc_cmd->ts_cmd_wqput = ktime_get_ns();
+ } else {
+ lpfc_cmd->ts_cmd_start = 0;
+ }
+#endif
if (err) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
"3376 FCP could not issue IOCB err %x"
@@ -6021,31 +6031,6 @@ struct scsi_host_template lpfc_template_nvme = {
.track_queue_depth = 0,
};
-struct scsi_host_template lpfc_template_no_hr = {
- .module = THIS_MODULE,
- .name = LPFC_DRIVER_NAME,
- .proc_name = LPFC_DRIVER_NAME,
- .info = lpfc_info,
- .queuecommand = lpfc_queuecommand,
- .eh_timed_out = fc_eh_timed_out,
- .eh_abort_handler = lpfc_abort_handler,
- .eh_device_reset_handler = lpfc_device_reset_handler,
- .eh_target_reset_handler = lpfc_target_reset_handler,
- .eh_bus_reset_handler = lpfc_bus_reset_handler,
- .slave_alloc = lpfc_slave_alloc,
- .slave_configure = lpfc_slave_configure,
- .slave_destroy = lpfc_slave_destroy,
- .scan_finished = lpfc_scan_finished,
- .this_id = -1,
- .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT,
- .cmd_per_lun = LPFC_CMD_PER_LUN,
- .shost_attrs = lpfc_hba_attrs,
- .max_sectors = 0xFFFFFFFF,
- .vendor_id = LPFC_NL_VENDOR_ID,
- .change_queue_depth = scsi_change_queue_depth,
- .track_queue_depth = 1,
-};
-
struct scsi_host_template lpfc_template = {
.module = THIS_MODULE,
.name = LPFC_DRIVER_NAME,
@@ -6071,26 +6056,3 @@ struct scsi_host_template lpfc_template = {
.change_queue_depth = scsi_change_queue_depth,
.track_queue_depth = 1,
};
-
-struct scsi_host_template lpfc_vport_template = {
- .module = THIS_MODULE,
- .name = LPFC_DRIVER_NAME,
- .proc_name = LPFC_DRIVER_NAME,
- .info = lpfc_info,
- .queuecommand = lpfc_queuecommand,
- .eh_timed_out = fc_eh_timed_out,
- .eh_abort_handler = lpfc_abort_handler,
- .eh_device_reset_handler = lpfc_device_reset_handler,
- .eh_target_reset_handler = lpfc_target_reset_handler,
- .slave_alloc = lpfc_slave_alloc,
- .slave_configure = lpfc_slave_configure,
- .slave_destroy = lpfc_slave_destroy,
- .scan_finished = lpfc_scan_finished,
- .this_id = -1,
- .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT,
- .cmd_per_lun = LPFC_CMD_PER_LUN,
- .shost_attrs = lpfc_vport_attrs,
- .max_sectors = 0xFFFF,
- .change_queue_depth = scsi_change_queue_depth,
- .track_queue_depth = 1,
-};