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lpfc: Add Lancer Temperature Event support to the lpfc driver
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This will detect and send an async event if overtemp is detected

Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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James Smart authored and James Bottomley committed Apr 10, 2015
1 parent 77d093f commit 946727d
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Showing 2 changed files with 125 additions and 55 deletions.
1 change: 1 addition & 0 deletions drivers/scsi/lpfc/lpfc_hw4.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3244,6 +3244,7 @@ struct lpfc_acqe_sli {
#define LPFC_SLI_EVENT_TYPE_NVLOG_POST 0x4
#define LPFC_SLI_EVENT_TYPE_DIAG_DUMP 0x5
#define LPFC_SLI_EVENT_TYPE_MISCONFIGURED 0x9
#define LPFC_SLI_EVENT_TYPE_REMOTE_DPORT 0xA
};

/*
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179 changes: 124 additions & 55 deletions drivers/scsi/lpfc/lpfc_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1330,13 +1330,14 @@ lpfc_offline_eratt(struct lpfc_hba *phba)
void
lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
{
spin_lock_irq(&phba->hbalock);
phba->link_state = LPFC_HBA_ERROR;
spin_unlock_irq(&phba->hbalock);

lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
lpfc_offline(phba);
lpfc_sli4_brdreset(phba);
lpfc_hba_down_post(phba);
lpfc_sli4_post_status_check(phba);
lpfc_unblock_mgmt_io(phba);
phba->link_state = LPFC_HBA_ERROR;
}

/**
Expand Down Expand Up @@ -1629,16 +1630,14 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
uint32_t uerrlo_reg, uemasklo_reg;
uint32_t pci_rd_rc1, pci_rd_rc2;
bool en_rn_msg = true;
struct temp_event temp_event_data;
int rc;

/* If the pci channel is offline, ignore possible errors, since
* we cannot communicate with the pci card anyway.
*/
if (pci_channel_offline(phba->pcidev))
return;
/* If resets are disabled then leave the HBA alone and return */
if (!phba->cfg_enable_hba_reset)
return;

if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
switch (if_type) {
Expand All @@ -1654,6 +1653,7 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
return;
lpfc_sli4_offline_eratt(phba);
break;

case LPFC_SLI_INTF_IF_TYPE_2:
pci_rd_rc1 = lpfc_readl(
phba->sli4_hba.u.if_type2.STATUSregaddr,
Expand All @@ -1668,15 +1668,27 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
/* TODO: Register for Overtemp async events. */
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2889 Port Overtemperature event, "
"taking port offline\n");
"taking port offline Data: x%x x%x\n",
reg_err1, reg_err2);

temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
temp_event_data.event_code = LPFC_CRIT_TEMP;
temp_event_data.data = 0xFFFFFFFF;

shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data),
(char *)&temp_event_data,
SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX);

spin_lock_irq(&phba->hbalock);
phba->over_temp_state = HBA_OVER_TEMP;
spin_unlock_irq(&phba->hbalock);
lpfc_sli4_offline_eratt(phba);
break;
return;
}
if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
Expand All @@ -1693,6 +1705,10 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3145 Port Down: Provisioning\n");

/* If resets are disabled then leave the HBA alone and return */
if (!phba->cfg_enable_hba_reset)
return;

/* Check port status register for function reset */
rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
en_rn_msg);
Expand Down Expand Up @@ -4044,77 +4060,129 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
char port_name;
char message[128];
uint8_t status;
uint8_t evt_type;
struct temp_event temp_event_data;
struct lpfc_acqe_misconfigured_event *misconfigured;
struct Scsi_Host *shost;

evt_type = bf_get(lpfc_trailer_type, acqe_sli);

/* special case misconfigured event as it contains data for all ports */
if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2) ||
(bf_get(lpfc_trailer_type, acqe_sli) !=
LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
/* Special case Lancer */
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2) {
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"2901 Async SLI event - Event Data1:x%08x Event Data2:"
"x%08x SLI Event Type:%d\n",
acqe_sli->event_data1, acqe_sli->event_data2,
bf_get(lpfc_trailer_type, acqe_sli));
evt_type);
return;
}

port_name = phba->Port[0];
if (port_name == 0x00)
port_name = '?'; /* get port name is empty */

misconfigured = (struct lpfc_acqe_misconfigured_event *)
switch (evt_type) {
case LPFC_SLI_EVENT_TYPE_OVER_TEMP:
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
temp_event_data.data = (uint32_t)acqe_sli->event_data1;

lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"3190 Over Temperature:%d Celsius- Port Name %c\n",
acqe_sli->event_data1, port_name);

shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data),
(char *)&temp_event_data,
SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX);
break;
case LPFC_SLI_EVENT_TYPE_NORM_TEMP:
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
temp_event_data.event_code = LPFC_NORMAL_TEMP;
temp_event_data.data = (uint32_t)acqe_sli->event_data1;

lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"3191 Normal Temperature:%d Celsius - Port Name %c\n",
acqe_sli->event_data1, port_name);

shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data),
(char *)&temp_event_data,
SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_EMULEX);
break;
case LPFC_SLI_EVENT_TYPE_MISCONFIGURED:
misconfigured = (struct lpfc_acqe_misconfigured_event *)
&acqe_sli->event_data1;

/* fetch the status for this port */
switch (phba->sli4_hba.lnk_info.lnk_no) {
case LPFC_LINK_NUMBER_0:
status = bf_get(lpfc_sli_misconfigured_port0,
/* fetch the status for this port */
switch (phba->sli4_hba.lnk_info.lnk_no) {
case LPFC_LINK_NUMBER_0:
status = bf_get(lpfc_sli_misconfigured_port0,
&misconfigured->theEvent);
break;
case LPFC_LINK_NUMBER_1:
status = bf_get(lpfc_sli_misconfigured_port1,
break;
case LPFC_LINK_NUMBER_1:
status = bf_get(lpfc_sli_misconfigured_port1,
&misconfigured->theEvent);
break;
case LPFC_LINK_NUMBER_2:
status = bf_get(lpfc_sli_misconfigured_port2,
break;
case LPFC_LINK_NUMBER_2:
status = bf_get(lpfc_sli_misconfigured_port2,
&misconfigured->theEvent);
break;
case LPFC_LINK_NUMBER_3:
status = bf_get(lpfc_sli_misconfigured_port3,
break;
case LPFC_LINK_NUMBER_3:
status = bf_get(lpfc_sli_misconfigured_port3,
&misconfigured->theEvent);
break;
default:
status = ~LPFC_SLI_EVENT_STATUS_VALID;
break;
}
break;
default:
status = ~LPFC_SLI_EVENT_STATUS_VALID;
break;
}

switch (status) {
case LPFC_SLI_EVENT_STATUS_VALID:
return; /* no message if the sfp is okay */
case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
sprintf(message, "Optics faulted/incorrectly installed/not " \
"installed - Reseat optics, if issue not "
"resolved, replace.");
break;
case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
sprintf(message,
"Optics of two types installed - Remove one optic or " \
"install matching pair of optics.");
break;
case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
sprintf(message, "Incompatible optics - Replace with " \
switch (status) {
case LPFC_SLI_EVENT_STATUS_VALID:
return; /* no message if the sfp is okay */
case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
sprintf(message, "Optics faulted/incorrectly "
"installed/not installed - Reseat optics, "
"if issue not resolved, replace.");
break;
case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
sprintf(message,
"Optics of two types installed - Remove one "
"optic or install matching pair of optics.");
break;
case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
sprintf(message, "Incompatible optics - Replace with "
"compatible optics for card to function.");
break;
default:
/* firmware is reporting a status we don't know about */
sprintf(message, "Unknown event status x%02x", status);
break;
}

lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"3176 Misconfigured Physical Port - "
"Port Name %c %s\n", port_name, message);
break;
case LPFC_SLI_EVENT_TYPE_REMOTE_DPORT:
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"3192 Remote DPort Test Initiated - "
"Event Data1:x%08x Event Data2: x%08x\n",
acqe_sli->event_data1, acqe_sli->event_data2);
break;
default:
/* firmware is reporting a status we don't know about */
sprintf(message, "Unknown event status x%02x", status);
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"3193 Async SLI event - Event Data1:x%08x Event Data2:"
"x%08x SLI Event Type:%d\n",
acqe_sli->event_data1, acqe_sli->event_data2,
evt_type);
break;
}

lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"3176 Misconfigured Physical Port - "
"Port Name %c %s\n", port_name, message);
}

/**
Expand Down Expand Up @@ -5183,6 +5251,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
rc = lpfc_pci_function_reset(phba);
if (unlikely(rc))
return -ENODEV;
phba->temp_sensor_support = 1;
}

/* Create the bootstrap mailbox command */
Expand Down

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