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path: root/drivers/scsi/lpfc/lpfc_init.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c115
1 files changed, 90 insertions, 25 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 25ba20e42825..4f7485958c49 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
+ * Copyright (C) 2017-2023 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. *
@@ -30,6 +30,7 @@
#include <linux/kthread.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
+#include <linux/sched/clock.h>
#include <linux/ctype.h>
#include <linux/aer.h>
#include <linux/slab.h>
@@ -5189,16 +5190,25 @@ static void
lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
struct lpfc_acqe_link *acqe_link)
{
- switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
- case LPFC_ASYNC_LINK_FAULT_NONE:
- case LPFC_ASYNC_LINK_FAULT_LOCAL:
- case LPFC_ASYNC_LINK_FAULT_REMOTE:
- case LPFC_ASYNC_LINK_FAULT_LR_LRR:
+ switch (bf_get(lpfc_acqe_fc_la_att_type, acqe_link)) {
+ case LPFC_FC_LA_TYPE_LINK_DOWN:
+ case LPFC_FC_LA_TYPE_TRUNKING_EVENT:
+ case LPFC_FC_LA_TYPE_ACTIVATE_FAIL:
+ case LPFC_FC_LA_TYPE_LINK_RESET_PRTCL_EVT:
break;
default:
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
- "0398 Unknown link fault code: x%x\n",
- bf_get(lpfc_acqe_link_fault, acqe_link));
+ switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
+ case LPFC_ASYNC_LINK_FAULT_NONE:
+ case LPFC_ASYNC_LINK_FAULT_LOCAL:
+ case LPFC_ASYNC_LINK_FAULT_REMOTE:
+ case LPFC_ASYNC_LINK_FAULT_LR_LRR:
+ break;
+ default:
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "0398 Unknown link fault code: x%x\n",
+ bf_get(lpfc_acqe_link_fault, acqe_link));
+ break;
+ }
break;
}
}
@@ -5492,7 +5502,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
bf_set(lpfc_mbx_read_top_link_spd, la,
(bf_get(lpfc_acqe_link_speed, acqe_link)));
- /* Fake the the following irrelvant fields */
+ /* Fake the following irrelevant fields */
bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
bf_set(lpfc_mbx_read_top_il, la, 0);
@@ -6281,6 +6291,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
LPFC_MBOXQ_t *pmb;
MAILBOX_t *mb;
struct lpfc_mbx_read_top *la;
+ char *log_level;
int rc;
if (bf_get(lpfc_trailer_type, acqe_fc) !=
@@ -6312,25 +6323,70 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
phba->sli4_hba.link_state.fault =
bf_get(lpfc_acqe_link_fault, acqe_fc);
+ phba->sli4_hba.link_state.link_status =
+ bf_get(lpfc_acqe_fc_la_link_status, acqe_fc);
- if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) ==
- LPFC_FC_LA_TYPE_LINK_DOWN)
- phba->sli4_hba.link_state.logical_speed = 0;
- else if (!phba->sli4_hba.conf_trunk)
- phba->sli4_hba.link_state.logical_speed =
+ /*
+ * Only select attention types need logical speed modification to what
+ * was previously set.
+ */
+ if (phba->sli4_hba.link_state.status >= LPFC_FC_LA_TYPE_LINK_UP &&
+ phba->sli4_hba.link_state.status < LPFC_FC_LA_TYPE_ACTIVATE_FAIL) {
+ if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) ==
+ LPFC_FC_LA_TYPE_LINK_DOWN)
+ phba->sli4_hba.link_state.logical_speed = 0;
+ else if (!phba->sli4_hba.conf_trunk)
+ phba->sli4_hba.link_state.logical_speed =
bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
+ }
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"2896 Async FC event - Speed:%dGBaud Topology:x%x "
"LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
- "%dMbps Fault:%d\n",
+ "%dMbps Fault:x%x Link Status:x%x\n",
phba->sli4_hba.link_state.speed,
phba->sli4_hba.link_state.topology,
phba->sli4_hba.link_state.status,
phba->sli4_hba.link_state.type,
phba->sli4_hba.link_state.number,
phba->sli4_hba.link_state.logical_speed,
- phba->sli4_hba.link_state.fault);
+ phba->sli4_hba.link_state.fault,
+ phba->sli4_hba.link_state.link_status);
+
+ /*
+ * The following attention types are informational only, providing
+ * further details about link status. Overwrite the value of
+ * link_state.status appropriately. No further action is required.
+ */
+ if (phba->sli4_hba.link_state.status >= LPFC_FC_LA_TYPE_ACTIVATE_FAIL) {
+ switch (phba->sli4_hba.link_state.status) {
+ case LPFC_FC_LA_TYPE_ACTIVATE_FAIL:
+ log_level = KERN_WARNING;
+ phba->sli4_hba.link_state.status =
+ LPFC_FC_LA_TYPE_LINK_DOWN;
+ break;
+ case LPFC_FC_LA_TYPE_LINK_RESET_PRTCL_EVT:
+ /*
+ * During bb credit recovery establishment, receiving
+ * this attention type is normal. Link Up attention
+ * type is expected to occur before this informational
+ * attention type so keep the Link Up status.
+ */
+ log_level = KERN_INFO;
+ phba->sli4_hba.link_state.status =
+ LPFC_FC_LA_TYPE_LINK_UP;
+ break;
+ default:
+ log_level = KERN_INFO;
+ break;
+ }
+ lpfc_log_msg(phba, log_level, LOG_SLI,
+ "2992 Async FC event - Informational Link "
+ "Attention Type x%x\n",
+ bf_get(lpfc_acqe_fc_la_att_type, acqe_fc));
+ return;
+ }
+
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmb) {
lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
@@ -7235,6 +7291,8 @@ lpfc_sli4_cgn_params_read(struct lpfc_hba *phba)
/* Find out if the FW has a new set of congestion parameters. */
len = sizeof(struct lpfc_cgn_param);
pdata = kzalloc(len, GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
ret = lpfc_read_object(phba, (char *)LPFC_PORT_CFG_NAME,
pdata, len);
@@ -12493,7 +12551,7 @@ lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors)
/* Mark CPU as IRQ not assigned by the kernel */
cpup->flag |= LPFC_CPU_MAP_UNASSIGN;
- /* If so, find a new_cpup thats on the the SAME
+ /* If so, find a new_cpup that is on the SAME
* phys_id as cpup. start_cpu will start where we
* left off so all unassigned entries don't get assgined
* the IRQ of the first entry.
@@ -12507,7 +12565,7 @@ lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors)
goto found_same;
new_cpu = cpumask_next(
new_cpu, cpu_present_mask);
- if (new_cpu == nr_cpumask_bits)
+ if (new_cpu >= nr_cpu_ids)
new_cpu = first_cpu;
}
/* At this point, we leave the CPU as unassigned */
@@ -12521,7 +12579,7 @@ found_same:
* selecting the same IRQ.
*/
start_cpu = cpumask_next(new_cpu, cpu_present_mask);
- if (start_cpu == nr_cpumask_bits)
+ if (start_cpu >= nr_cpu_ids)
start_cpu = first_cpu;
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
@@ -12557,7 +12615,7 @@ found_same:
goto found_any;
new_cpu = cpumask_next(
new_cpu, cpu_present_mask);
- if (new_cpu == nr_cpumask_bits)
+ if (new_cpu >= nr_cpu_ids)
new_cpu = first_cpu;
}
/* We should never leave an entry unassigned */
@@ -12575,7 +12633,7 @@ found_any:
* selecting the same IRQ.
*/
start_cpu = cpumask_next(new_cpu, cpu_present_mask);
- if (start_cpu == nr_cpumask_bits)
+ if (start_cpu >= nr_cpu_ids)
start_cpu = first_cpu;
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
@@ -12648,7 +12706,7 @@ found_any:
goto found_hdwq;
}
new_cpu = cpumask_next(new_cpu, cpu_present_mask);
- if (new_cpu == nr_cpumask_bits)
+ if (new_cpu >= nr_cpu_ids)
new_cpu = first_cpu;
}
@@ -12663,7 +12721,7 @@ found_any:
goto found_hdwq;
new_cpu = cpumask_next(new_cpu, cpu_present_mask);
- if (new_cpu == nr_cpumask_bits)
+ if (new_cpu >= nr_cpu_ids)
new_cpu = first_cpu;
}
@@ -12674,7 +12732,7 @@ found_any:
found_hdwq:
/* We found an available entry, copy the IRQ info */
start_cpu = cpumask_next(new_cpu, cpu_present_mask);
- if (start_cpu == nr_cpumask_bits)
+ if (start_cpu >= nr_cpu_ids)
start_cpu = first_cpu;
cpup->hdwq = new_cpup->hdwq;
logit:
@@ -13917,6 +13975,13 @@ fcponly:
if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
+ rc = dma_set_max_seg_size(&phba->pcidev->dev, sli4_params->sge_supp_len);
+ if (unlikely(rc)) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "6400 Can't set dma maximum segment size\n");
+ return rc;
+ }
+
/*
* Check whether the adapter supports an embedded copy of the
* FCP CMD IU within the WQE for FCP_Ixxx commands. In order
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-19 19:37:12 +0000