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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.c155
1 files changed, 130 insertions, 25 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 0ec322f0e3cb..ba17a8f740a9 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -68,6 +68,7 @@
static enum cpuhp_state lpfc_cpuhp_state;
/* Used when mapping IRQ vectors in a driver centric manner */
static uint32_t lpfc_present_cpu;
+static bool lpfc_pldv_detect;
static void __lpfc_cpuhp_remove(struct lpfc_hba *phba);
static void lpfc_cpuhp_remove(struct lpfc_hba *phba);
@@ -662,6 +663,50 @@ lpfc_config_port_post(struct lpfc_hba *phba)
}
/**
+ * lpfc_sli4_refresh_params - update driver copy of params.
+ * @phba: Pointer to HBA context object.
+ *
+ * This is called to refresh driver copy of dynamic fields from the
+ * common_get_sli4_parameters descriptor.
+ **/
+int
+lpfc_sli4_refresh_params(struct lpfc_hba *phba)
+{
+ LPFC_MBOXQ_t *mboxq;
+ struct lpfc_mqe *mqe;
+ struct lpfc_sli4_parameters *mbx_sli4_parameters;
+ int length, rc;
+
+ mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mboxq)
+ return -ENOMEM;
+
+ mqe = &mboxq->u.mqe;
+ /* Read the port's SLI4 Config Parameters */
+ length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+ LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
+ length, LPFC_SLI4_MBX_EMBED);
+
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ if (unlikely(rc)) {
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return rc;
+ }
+ mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
+ phba->sli4_hba.pc_sli4_params.mi_ver =
+ bf_get(cfg_mi_ver, mbx_sli4_parameters);
+ phba->sli4_hba.pc_sli4_params.cmf =
+ bf_get(cfg_cmf, mbx_sli4_parameters);
+ phba->sli4_hba.pc_sli4_params.pls =
+ bf_get(cfg_pvl, mbx_sli4_parameters);
+
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return rc;
+}
+
+/**
* lpfc_hba_init_link - Initialize the FC link
* @phba: pointer to lpfc hba data structure.
* @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
@@ -1606,6 +1651,11 @@ void
lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
{
spin_lock_irq(&phba->hbalock);
+ if (phba->link_state == LPFC_HBA_ERROR &&
+ phba->hba_flag & HBA_PCI_ERR) {
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
phba->link_state = LPFC_HBA_ERROR;
spin_unlock_irq(&phba->hbalock);
@@ -1945,7 +1995,6 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
if (pci_channel_offline(phba->pcidev)) {
lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"3166 pci channel is offline\n");
- lpfc_sli4_offline_eratt(phba);
return;
}
@@ -3643,6 +3692,7 @@ lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
struct lpfc_vport **vports;
struct Scsi_Host *shost;
int i;
+ int offline = 0;
if (vport->fc_flag & FC_OFFLINE_MODE)
return;
@@ -3651,6 +3701,8 @@ lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
lpfc_linkdown(phba);
+ offline = pci_channel_offline(phba->pcidev);
+
/* Issue an unreg_login to all nodes on all vports */
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
@@ -3673,7 +3725,14 @@ lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
spin_unlock_irq(&ndlp->lock);
- lpfc_unreg_rpi(vports[i], ndlp);
+ if (offline) {
+ spin_lock_irq(&ndlp->lock);
+ ndlp->nlp_flag &= ~(NLP_UNREG_INP |
+ NLP_RPI_REGISTERED);
+ spin_unlock_irq(&ndlp->lock);
+ } else {
+ lpfc_unreg_rpi(vports[i], ndlp);
+ }
/*
* Whenever an SLI4 port goes offline, free the
* RPI. Get a new RPI when the adapter port
@@ -3694,12 +3753,16 @@ lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
lpfc_disc_state_machine(vports[i], ndlp,
NULL, NLP_EVT_DEVICE_RECOVERY);
- /* Don't remove the node unless the
+ /* Don't remove the node unless the node
* has been unregistered with the
- * transport. If so, let dev_loss
- * take care of the node.
+ * transport, and we're not in recovery
+ * before dev_loss_tmo triggered.
+ * Otherwise, let dev_loss take care of
+ * the node.
*/
- if (!(ndlp->fc4_xpt_flags &
+ if (!(ndlp->save_flags &
+ NLP_IN_RECOV_POST_DEV_LOSS) &&
+ !(ndlp->fc4_xpt_flags &
(NVME_XPT_REGD | SCSI_XPT_REGD)))
lpfc_disc_state_machine
(vports[i], ndlp,
@@ -4559,7 +4622,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
/* Template for all vports this physical port creates */
memcpy(&phba->vport_template, &lpfc_template,
sizeof(*template));
- phba->vport_template.shost_attrs = lpfc_vport_attrs;
+ phba->vport_template.shost_groups = lpfc_vport_groups;
phba->vport_template.eh_bus_reset_handler = NULL;
phba->vport_template.eh_host_reset_handler = NULL;
phba->vport_template.vendor_id = 0;
@@ -5518,7 +5581,7 @@ lpfc_cgn_update_stat(struct lpfc_hba *phba, uint32_t dtag)
if (phba->cgn_fpin_frequency &&
phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) {
value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency;
- cp->cgn_stat_npm = cpu_to_le32(value);
+ cp->cgn_stat_npm = value;
}
value = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ,
LPFC_CGN_CRC32_SEED);
@@ -5547,9 +5610,9 @@ lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba)
uint32_t mbps;
uint32_t dvalue, wvalue, lvalue, avalue;
uint64_t latsum;
- uint16_t *ptr;
- uint32_t *lptr;
- uint16_t *mptr;
+ __le16 *ptr;
+ __le32 *lptr;
+ __le16 *mptr;
/* Make sure we have a congestion info buffer */
if (!phba->cgn_i)
@@ -5570,7 +5633,7 @@ lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba)
if (phba->cgn_fpin_frequency &&
phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) {
value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency;
- cp->cgn_stat_npm = cpu_to_le32(value);
+ cp->cgn_stat_npm = value;
}
/* Read and clear the latency counters for this minute */
@@ -5753,7 +5816,7 @@ lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba)
dvalue += le32_to_cpu(cp->cgn_drvr_hr[i]);
wvalue += le32_to_cpu(cp->cgn_warn_hr[i]);
lvalue += le32_to_cpu(cp->cgn_latency_hr[i]);
- mbps += le32_to_cpu(cp->cgn_bw_hr[i]);
+ mbps += le16_to_cpu(cp->cgn_bw_hr[i]);
avalue += le32_to_cpu(cp->cgn_alarm_hr[i]);
}
if (lvalue) /* Avg of latency averages */
@@ -5862,7 +5925,7 @@ lpfc_cmf_timer(struct hrtimer *timer)
uint32_t io_cnt;
uint32_t head, tail;
uint32_t busy, max_read;
- uint64_t total, rcv, lat, mbpi;
+ uint64_t total, rcv, lat, mbpi, extra;
int timer_interval = LPFC_CMF_INTERVAL;
uint32_t ms;
struct lpfc_cgn_stat *cgs;
@@ -5929,7 +5992,19 @@ lpfc_cmf_timer(struct hrtimer *timer)
phba->hba_flag & HBA_SETUP) {
mbpi = phba->cmf_last_sync_bw;
phba->cmf_last_sync_bw = 0;
- lpfc_issue_cmf_sync_wqe(phba, LPFC_CMF_INTERVAL, total);
+ extra = 0;
+
+ /* Calculate any extra bytes needed to account for the
+ * timer accuracy. If we are less than LPFC_CMF_INTERVAL
+ * add an extra 3% slop factor, equal to LPFC_CMF_INTERVAL
+ * add an extra 2%. The goal is to equalize total with a
+ * time > LPFC_CMF_INTERVAL or <= LPFC_CMF_INTERVAL + 1
+ */
+ if (ms == LPFC_CMF_INTERVAL)
+ extra = div_u64(total, 50);
+ else if (ms < LPFC_CMF_INTERVAL)
+ extra = div_u64(total, 33);
+ lpfc_issue_cmf_sync_wqe(phba, LPFC_CMF_INTERVAL, total + extra);
} else {
/* For Monitor mode or link down we want mbpi
* to be the full link speed
@@ -6428,6 +6503,12 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
"3194 Unable to retrieve supported "
"speeds, rc = 0x%x\n", rc);
}
+ rc = lpfc_sli4_refresh_params(phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "3174 Unable to update pls support, "
+ "rc x%x\n", rc);
+ }
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
for (i = 0; i <= phba->max_vports && vports[i] != NULL;
@@ -6538,7 +6619,7 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
/* Cannot find existing Fabric ndlp, so allocate a new one */
ndlp = lpfc_nlp_init(vport, Fabric_DID);
if (!ndlp)
- return 0;
+ return NULL;
/* Set the node type */
ndlp->nlp_type |= NLP_FABRIC;
/* Put ndlp onto node list */
@@ -7358,7 +7439,7 @@ lpfc_enable_pci_dev(struct lpfc_hba *phba)
out_disable_device:
pci_disable_device(pdev);
out_error:
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"1401 Failed to enable pci device\n");
return -ENODEV;
}
@@ -8277,11 +8358,11 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
return 0;
out_free_hba_hdwq_info:
- free_percpu(phba->sli4_hba.c_stat);
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ free_percpu(phba->sli4_hba.c_stat);
out_free_hba_idle_stat:
- kfree(phba->sli4_hba.idle_stat);
#endif
+ kfree(phba->sli4_hba.idle_stat);
out_free_hba_eq_info:
free_percpu(phba->sli4_hba.eq_info);
out_free_hba_cpu_map:
@@ -8401,7 +8482,7 @@ lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
phba->lpfc_stop_port = lpfc_stop_port_s4;
break;
default:
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"1431 Invalid HBA PCI-device group: 0x%x\n",
dev_grp);
return -ENODEV;
@@ -9333,7 +9414,15 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba)
phba->work_status[0],
phba->work_status[1]);
port_error = -ENODEV;
+ break;
}
+
+ if (lpfc_pldv_detect &&
+ bf_get(lpfc_sli_intf_sli_family,
+ &phba->sli4_hba.sli_intf) ==
+ LPFC_SLI_INTF_FAMILY_G6)
+ pci_write_config_byte(phba->pcidev,
+ LPFC_SLI_INTF, CFG_PLD);
break;
case LPFC_SLI_INTF_IF_TYPE_1:
default:
@@ -11541,6 +11630,9 @@ wait:
goto out;
}
+ if (bf_get(lpfc_sliport_status_pldv, &reg_data))
+ lpfc_pldv_detect = true;
+
if (!port_reset) {
/*
* Reset the port now
@@ -11623,7 +11715,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
/* There is no SLI3 failback for SLI4 devices. */
if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_VALID) {
- lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2894 SLI_INTF reg contents invalid "
"sli_intf reg 0x%x\n",
phba->sli4_hba.sli_intf.word0);
@@ -13368,8 +13460,6 @@ lpfc_init_congestion_buf(struct lpfc_hba *phba)
atomic_set(&phba->cgn_sync_alarm_cnt, 0);
atomic_set(&phba->cgn_sync_warn_cnt, 0);
- atomic64_set(&phba->cgn_acqe_stat.alarm, 0);
- atomic64_set(&phba->cgn_acqe_stat.warn, 0);
atomic_set(&phba->cgn_driver_evt_cnt, 0);
atomic_set(&phba->cgn_latency_evt_cnt, 0);
atomic64_set(&phba->cgn_latency_evt, 0);
@@ -13411,8 +13501,8 @@ lpfc_init_congestion_buf(struct lpfc_hba *phba)
/* last used Index initialized to 0xff already */
- cp->cgn_warn_freq = LPFC_FPIN_INIT_FREQ;
- cp->cgn_alarm_freq = LPFC_FPIN_INIT_FREQ;
+ cp->cgn_warn_freq = cpu_to_le16(LPFC_FPIN_INIT_FREQ);
+ cp->cgn_alarm_freq = cpu_to_le16(LPFC_FPIN_INIT_FREQ);
crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED);
cp->cgn_info_crc = cpu_to_le32(crc);
@@ -14080,6 +14170,10 @@ lpfc_pci_resume_one_s3(struct device *dev_d)
return error;
}
+ /* Init cpu_map array */
+ lpfc_cpu_map_array_init(phba);
+ /* Init hba_eq_hdl array */
+ lpfc_hba_eq_hdl_array_init(phba);
/* Configure and enable interrupt */
intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
if (intr_mode == LPFC_INTR_ERROR) {
@@ -15033,14 +15127,17 @@ lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
lpfc_sli4_prep_dev_for_recover(phba);
return PCI_ERS_RESULT_CAN_RECOVER;
case pci_channel_io_frozen:
+ phba->hba_flag |= HBA_PCI_ERR;
/* Fatal error, prepare for slot reset */
lpfc_sli4_prep_dev_for_reset(phba);
return PCI_ERS_RESULT_NEED_RESET;
case pci_channel_io_perm_failure:
+ phba->hba_flag |= HBA_PCI_ERR;
/* Permanent failure, prepare for device down */
lpfc_sli4_prep_dev_for_perm_failure(phba);
return PCI_ERS_RESULT_DISCONNECT;
default:
+ phba->hba_flag |= HBA_PCI_ERR;
/* Unknown state, prepare and request slot reset */
lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"2825 Unknown PCI error state: x%x\n", state);
@@ -15084,6 +15181,7 @@ lpfc_io_slot_reset_s4(struct pci_dev *pdev)
pci_restore_state(pdev);
+ phba->hba_flag &= ~HBA_PCI_ERR;
/*
* As the new kernel behavior of pci_restore_state() API call clears
* device saved_state flag, need to save the restored state again.
@@ -15106,6 +15204,7 @@ lpfc_io_slot_reset_s4(struct pci_dev *pdev)
return PCI_ERS_RESULT_DISCONNECT;
} else
phba->intr_mode = intr_mode;
+ lpfc_cpu_affinity_check(phba, phba->cfg_irq_chann);
/* Log the current active interrupt mode */
lpfc_log_intr_mode(phba, phba->intr_mode);
@@ -15307,6 +15406,10 @@ lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
+ if (phba->link_state == LPFC_HBA_ERROR &&
+ phba->hba_flag & HBA_IOQ_FLUSH)
+ return PCI_ERS_RESULT_NEED_RESET;
+
switch (phba->pci_dev_grp) {
case LPFC_PCI_DEV_LP:
rc = lpfc_io_error_detected_s3(pdev, state);
@@ -15523,6 +15626,8 @@ lpfc_init(void)
/* Initialize in case vector mapping is needed */
lpfc_present_cpu = num_present_cpus();
+ lpfc_pldv_detect = false;
+
error = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN,
"lpfc/sli4:online",
lpfc_cpu_online, lpfc_cpu_offline);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.