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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c230
1 files changed, 217 insertions, 13 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index dda7f450b96d..4bae72cbf3f6 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -883,6 +883,42 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
}
}
+ if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ ((bf_get(lpfc_sli_intf_if_type,
+ &phba->sli4_hba.sli_intf) ==
+ LPFC_SLI_INTF_IF_TYPE_6))) {
+ struct lpfc_trunk_link link = phba->trunk_link;
+
+ if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba))
+ len += snprintf(buf + len, PAGE_SIZE - len,
+ "Trunk port 0: Link %s %s\n",
+ (link.link0.state == LPFC_LINK_UP) ?
+ "Up" : "Down. ",
+ trunk_errmsg[link.link0.fault]);
+
+ if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba))
+ len += snprintf(buf + len, PAGE_SIZE - len,
+ "Trunk port 1: Link %s %s\n",
+ (link.link1.state == LPFC_LINK_UP) ?
+ "Up" : "Down. ",
+ trunk_errmsg[link.link1.fault]);
+
+ if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba))
+ len += snprintf(buf + len, PAGE_SIZE - len,
+ "Trunk port 2: Link %s %s\n",
+ (link.link2.state == LPFC_LINK_UP) ?
+ "Up" : "Down. ",
+ trunk_errmsg[link.link2.fault]);
+
+ if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba))
+ len += snprintf(buf + len, PAGE_SIZE - len,
+ "Trunk port 3: Link %s %s\n",
+ (link.link3.state == LPFC_LINK_UP) ?
+ "Up" : "Down. ",
+ trunk_errmsg[link.link3.fault]);
+
+ }
+
return len;
}
@@ -1156,6 +1192,82 @@ out:
}
/**
+ * lpfc_reset_pci_bus - resets PCI bridge controller's secondary bus of an HBA
+ * @phba: lpfc_hba pointer.
+ *
+ * Description:
+ * Issues a PCI secondary bus reset for the phba->pcidev.
+ *
+ * Notes:
+ * First walks the bus_list to ensure only PCI devices with Emulex
+ * vendor id, device ids that support hot reset, only one occurrence
+ * of function 0, and all ports on the bus are in offline mode to ensure the
+ * hot reset only affects one valid HBA.
+ *
+ * Returns:
+ * -ENOTSUPP, cfg_enable_hba_reset must be of value 2
+ * -ENODEV, NULL ptr to pcidev
+ * -EBADSLT, detected invalid device
+ * -EBUSY, port is not in offline state
+ * 0, successful
+ */
+int
+lpfc_reset_pci_bus(struct lpfc_hba *phba)
+{
+ struct pci_dev *pdev = phba->pcidev;
+ struct Scsi_Host *shost = NULL;
+ struct lpfc_hba *phba_other = NULL;
+ struct pci_dev *ptr = NULL;
+ int res;
+
+ if (phba->cfg_enable_hba_reset != 2)
+ return -ENOTSUPP;
+
+ if (!pdev) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "8345 pdev NULL!\n");
+ return -ENODEV;
+ }
+
+ res = lpfc_check_pci_resettable(phba);
+ if (res)
+ return res;
+
+ /* Walk the list of devices on the pci_dev's bus */
+ list_for_each_entry(ptr, &pdev->bus->devices, bus_list) {
+ /* Check port is offline */
+ shost = pci_get_drvdata(ptr);
+ if (shost) {
+ phba_other =
+ ((struct lpfc_vport *)shost->hostdata)->phba;
+ if (!(phba_other->pport->fc_flag & FC_OFFLINE_MODE)) {
+ lpfc_printf_log(phba_other, KERN_INFO, LOG_INIT,
+ "8349 WWPN = 0x%02x%02x%02x%02x"
+ "%02x%02x%02x%02x is not "
+ "offline!\n",
+ phba_other->wwpn[0],
+ phba_other->wwpn[1],
+ phba_other->wwpn[2],
+ phba_other->wwpn[3],
+ phba_other->wwpn[4],
+ phba_other->wwpn[5],
+ phba_other->wwpn[6],
+ phba_other->wwpn[7]);
+ return -EBUSY;
+ }
+ }
+ }
+
+ /* Issue PCI bus reset */
+ res = pci_reset_bus(pdev);
+ if (res) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "8350 PCI reset bus failed: %d\n", res);
+ }
+
+ return res;
+}
+
+/**
* lpfc_selective_reset - Offline then onlines the port
* @phba: lpfc_hba pointer.
*
@@ -1322,7 +1434,7 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
return -EACCES;
if ((phba->sli_rev < LPFC_SLI_REV4) ||
- (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
LPFC_SLI_INTF_IF_TYPE_2))
return -EPERM;
@@ -1430,6 +1542,66 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
}
+int
+lpfc_set_trunking(struct lpfc_hba *phba, char *buff_out)
+{
+ LPFC_MBOXQ_t *mbox = NULL;
+ unsigned long val = 0;
+ char *pval = 0;
+ int rc = 0;
+
+ if (!strncmp("enable", buff_out,
+ strlen("enable"))) {
+ pval = buff_out + strlen("enable") + 1;
+ rc = kstrtoul(pval, 0, &val);
+ if (rc)
+ return rc; /* Invalid number */
+ } else if (!strncmp("disable", buff_out,
+ strlen("disable"))) {
+ val = 0;
+ } else {
+ return -EINVAL; /* Invalid command */
+ }
+
+ switch (val) {
+ case 0:
+ val = 0x0; /* Disable */
+ break;
+ case 2:
+ val = 0x1; /* Enable two port trunk */
+ break;
+ case 4:
+ val = 0x2; /* Enable four port trunk */
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "0070 Set trunk mode with val %ld ", val);
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox)
+ return -ENOMEM;
+
+ lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_FC_SET_TRUNK_MODE,
+ 12, LPFC_SLI4_MBX_EMBED);
+
+ bf_set(lpfc_mbx_set_trunk_mode,
+ &mbox->u.mqe.un.set_trunk_mode,
+ val);
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
+ if (rc)
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "0071 Set trunk mode failed with status: %d",
+ rc);
+ if (rc != MBX_TIMEOUT)
+ mempool_free(mbox, phba->mbox_mem_pool);
+
+ return 0;
+}
+
/**
* lpfc_board_mode_show - Return the state of the board
* @dev: class device that is converted into a Scsi_host.
@@ -1522,6 +1694,11 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
+ else if (strncmp(buf, "pci_bus_reset", sizeof("pci_bus_reset") - 1)
+ == 0)
+ status = lpfc_reset_pci_bus(phba);
+ else if (strncmp(buf, "trunk", sizeof("trunk") - 1) == 0)
+ status = lpfc_set_trunking(phba, (char *)buf + sizeof("trunk"));
else
status = -EINVAL;
@@ -1590,7 +1767,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
pmb = &pmboxq->u.mb;
pmb->mbxCommand = MBX_READ_CONFIG;
pmb->mbxOwner = OWN_HOST;
- pmboxq->context1 = NULL;
+ pmboxq->ctx_buf = NULL;
if (phba->pport->fc_flag & FC_OFFLINE_MODE)
rc = MBX_NOT_FINISHED;
@@ -1622,6 +1799,9 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
(bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
+ /* Limit the max we support */
+ if (max_vpi > LPFC_MAX_VPI)
+ max_vpi = LPFC_MAX_VPI;
if (mvpi)
*mvpi = max_vpi;
if (avpi)
@@ -1637,8 +1817,13 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
*axri = pmb->un.varRdConfig.avail_xri;
if (mvpi)
*mvpi = pmb->un.varRdConfig.max_vpi;
- if (avpi)
- *avpi = pmb->un.varRdConfig.avail_vpi;
+ if (avpi) {
+ /* avail_vpi is only valid if link is up and ready */
+ if (phba->link_state == LPFC_HBA_READY)
+ *avpi = pmb->un.varRdConfig.avail_vpi;
+ else
+ *avpi = pmb->un.varRdConfig.max_vpi;
+ }
}
mempool_free(pmboxq, phba->mbox_mem_pool);
@@ -3831,8 +4016,9 @@ lpfc_topology_store(struct device *dev, struct device_attribute *attr,
val);
return -EINVAL;
}
- if (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC &&
- val == 4) {
+ if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC ||
+ phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) &&
+ val == 4) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
"3114 Loop mode not supported\n");
return -EINVAL;
@@ -4254,7 +4440,7 @@ lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
uint32_t prev_val, if_type;
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
- if (if_type == LPFC_SLI_INTF_IF_TYPE_2 &&
+ if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 &&
phba->hba_flag & HBA_FORCED_LINK_SPEED)
return -EPERM;
@@ -5070,6 +5256,18 @@ LPFC_ATTR_RW(fcp_io_sched, LPFC_FCP_SCHED_ROUND_ROBIN,
"issuing commands [0] - Round Robin, [1] - Current CPU");
/*
+ * lpfc_ns_query: Determine algrithmn for NameServer queries after RSCN
+ * range is [0,1]. Default value is 0.
+ * For [0], GID_FT is used for NameServer queries after RSCN (default)
+ * For [1], GID_PT is used for NameServer queries after RSCN
+ *
+ */
+LPFC_ATTR_RW(ns_query, LPFC_NS_QUERY_GID_FT,
+ LPFC_NS_QUERY_GID_FT, LPFC_NS_QUERY_GID_PT,
+ "Determine algorithm NameServer queries after RSCN "
+ "[0] - GID_FT, [1] - GID_PT");
+
+/*
# lpfc_fcp2_no_tgt_reset: Determine bus reset behavior
# range is [0,1]. Default value is 0.
# For [0], bus reset issues target reset to ALL devices
@@ -5257,9 +5455,10 @@ LPFC_ATTR_R(nvme_io_channel,
# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
# 0 = HBA resets disabled
# 1 = HBA resets enabled (default)
-# Value range is [0,1]. Default value is 1.
+# 2 = HBA reset via PCI bus reset enabled
+# Value range is [0,2]. Default value is 1.
*/
-LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver.");
+LPFC_ATTR_RW(enable_hba_reset, 1, 0, 2, "Enable HBA resets from the driver.");
/*
# lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
@@ -5514,6 +5713,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_scan_down,
&dev_attr_lpfc_link_speed,
&dev_attr_lpfc_fcp_io_sched,
+ &dev_attr_lpfc_ns_query,
&dev_attr_lpfc_fcp2_no_tgt_reset,
&dev_attr_lpfc_cr_delay,
&dev_attr_lpfc_cr_count,
@@ -6006,6 +6206,9 @@ lpfc_get_host_speed(struct Scsi_Host *shost)
case LPFC_LINK_SPEED_64GHZ:
fc_host_speed(shost) = FC_PORTSPEED_64GBIT;
break;
+ case LPFC_LINK_SPEED_128GHZ:
+ fc_host_speed(shost) = FC_PORTSPEED_128GBIT;
+ break;
default:
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
break;
@@ -6105,7 +6308,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
pmb = &pmboxq->u.mb;
pmb->mbxCommand = MBX_READ_STATUS;
pmb->mbxOwner = OWN_HOST;
- pmboxq->context1 = NULL;
+ pmboxq->ctx_buf = NULL;
pmboxq->vport = vport;
if (vport->fc_flag & FC_OFFLINE_MODE)
@@ -6137,7 +6340,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
pmb->mbxCommand = MBX_READ_LNK_STAT;
pmb->mbxOwner = OWN_HOST;
- pmboxq->context1 = NULL;
+ pmboxq->ctx_buf = NULL;
pmboxq->vport = vport;
if (vport->fc_flag & FC_OFFLINE_MODE)
@@ -6217,7 +6420,7 @@ lpfc_reset_stats(struct Scsi_Host *shost)
pmb->mbxCommand = MBX_READ_STATUS;
pmb->mbxOwner = OWN_HOST;
pmb->un.varWords[0] = 0x1; /* reset request */
- pmboxq->context1 = NULL;
+ pmboxq->ctx_buf = NULL;
pmboxq->vport = vport;
if ((vport->fc_flag & FC_OFFLINE_MODE) ||
@@ -6235,7 +6438,7 @@ lpfc_reset_stats(struct Scsi_Host *shost)
memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
pmb->mbxCommand = MBX_READ_LNK_STAT;
pmb->mbxOwner = OWN_HOST;
- pmboxq->context1 = NULL;
+ pmboxq->ctx_buf = NULL;
pmboxq->vport = vport;
if ((vport->fc_flag & FC_OFFLINE_MODE) ||
@@ -6564,6 +6767,7 @@ void
lpfc_get_cfgparam(struct lpfc_hba *phba)
{
lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched);
+ lpfc_ns_query_init(phba, lpfc_ns_query);
lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset);
lpfc_cr_delay_init(phba, lpfc_cr_delay);
lpfc_cr_count_init(phba, lpfc_cr_count);