[SCSI] lpfc 8.2.3 : Added support for ASICs that report temperature
Added support for ASICs that report temperature. Temperature notices are
reported as events and logged. Temperature can be read via sysfs.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index ce348c5..41f13a3 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -199,6 +199,7 @@
case CMD_RCV_ELS_REQ_CX:
case CMD_RCV_SEQUENCE64_CX:
case CMD_RCV_ELS_REQ64_CX:
+ case CMD_ASYNC_STATUS:
case CMD_IOCB_RCV_SEQ64_CX:
case CMD_IOCB_RCV_ELS64_CX:
case CMD_IOCB_RCV_CONT64_CX:
@@ -754,6 +755,7 @@
case MBX_FLASH_WR_ULA:
case MBX_SET_DEBUG:
case MBX_LOAD_EXP_ROM:
+ case MBX_ASYNCEVT_ENABLE:
case MBX_REG_VPI:
case MBX_UNREG_VPI:
case MBX_HEARTBEAT:
@@ -953,6 +955,7 @@
return &new_hbq_entry->dbuf;
}
+
static int
lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_iocbq *saveq)
@@ -964,6 +967,22 @@
match = 0;
irsp = &(saveq->iocb);
+
+ if (irsp->ulpCommand == CMD_ASYNC_STATUS) {
+ if (pring->lpfc_sli_rcv_async_status)
+ pring->lpfc_sli_rcv_async_status(phba, pring, saveq);
+ else
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_SLI,
+ "0316 Ring %d handler: unexpected "
+ "ASYNC_STATUS iocb received evt_code "
+ "0x%x\n",
+ pring->ringno,
+ irsp->un.asyncstat.evt_code);
+ return 1;
+ }
+
if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX)
|| (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)
|| (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)
@@ -2993,6 +3012,61 @@
return 0;
}
+void
+lpfc_sli_async_event_handler(struct lpfc_hba * phba,
+ struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq)
+{
+ IOCB_t *icmd;
+ uint16_t evt_code;
+ uint16_t temp;
+ struct temp_event temp_event_data;
+ struct Scsi_Host *shost;
+
+ icmd = &iocbq->iocb;
+ evt_code = icmd->un.asyncstat.evt_code;
+ temp = icmd->ulpContext;
+
+ if ((evt_code != ASYNC_TEMP_WARN) &&
+ (evt_code != ASYNC_TEMP_SAFE)) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_SLI,
+ "0327 Ring %d handler: unexpected ASYNC_STATUS"
+ " evt_code 0x%x\n",
+ pring->ringno,
+ icmd->un.asyncstat.evt_code);
+ return;
+ }
+ temp_event_data.data = (uint32_t)temp;
+ temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
+ if (evt_code == ASYNC_TEMP_WARN) {
+ temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_TEMP,
+ "0339 Adapter is very hot, please take "
+ "corrective action. temperature : %d Celsius\n",
+ temp);
+ }
+ if (evt_code == ASYNC_TEMP_SAFE) {
+ temp_event_data.event_code = LPFC_NORMAL_TEMP;
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_TEMP,
+ "0340 Adapter temperature is OK now. "
+ "temperature : %d Celsius\n",
+ temp);
+ }
+
+ /* Send temperature change event to applications */
+ 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);
+
+}
+
+
int
lpfc_sli_setup(struct lpfc_hba *phba)
{
@@ -3059,6 +3133,8 @@
pring->fast_iotag = 0;
pring->iotag_ctr = 0;
pring->iotag_max = 4096;
+ pring->lpfc_sli_rcv_async_status =
+ lpfc_sli_async_event_handler;
pring->num_mask = 4;
pring->prt[0].profile = 0; /* Mask 0 */
pring->prt[0].rctl = FC_ELS_REQ;