diff options
| author | James Smart <James.Smart@Emulex.Com> | 2007-10-27 19:38:11 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-12 01:22:33 +0100 |
| commit | 7af670510df343db55752a2210dcf4fc09f59fbb (patch) | |
| tree | 59baacb490afb7dcd955ad8daca734eae7d8cef8 /drivers | |
| parent | [SCSI] lpfc 8.2.3 : Internal loopback fixes (diff) | |
| download | linux-7af670510df343db55752a2210dcf4fc09f59fbb.tar.xz linux-7af670510df343db55752a2210dcf4fc09f59fbb.zip | |
[SCSI] lpfc 8.2.3 : Temperature handling fix
Temperature handling fix - return proper error code indicator for applications
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 12 |
3 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 46ccdffb46aa..1ddfd688fea3 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -386,6 +386,11 @@ struct hbq_s { #define LPFC_ELS_HBQ 0 #define LPFC_EXTRA_HBQ 1 +enum hba_temp_state { + HBA_NORMAL_TEMP, + HBA_OVER_TEMP +}; + struct lpfc_hba { struct lpfc_sli sli; uint32_t sli_rev; /* SLI2 or SLI3 */ @@ -589,6 +594,7 @@ struct lpfc_hba { */ #define QUE_BUFTAG_BIT (1<<31) uint32_t buffer_tag_count; + enum hba_temp_state over_temp_state; }; static inline struct Scsi_Host * diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 4e9e890449a3..e1b041d8f6d5 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -979,6 +979,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) unsigned int i, j, cnt=count; u8 wwpn[8]; + spin_lock_irq(&phba->hbalock); + if (phba->over_temp_state == HBA_OVER_TEMP) { + spin_unlock_irq(&phba->hbalock); + return -EPERM; + } + spin_unlock_irq(&phba->hbalock); /* count may include a LF at end of string */ if (buf[cnt-1] == '\n') cnt--; @@ -1750,6 +1756,12 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, spin_lock_irq(&phba->hbalock); + if (phba->over_temp_state == HBA_OVER_TEMP) { + sysfs_mbox_idle(phba); + spin_unlock_irq(&phba->hbalock); + return -EPERM; + } + if (off == 0 && phba->sysfs_mbox.state == SMBOX_WRITING && phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index db96f7504a14..0615af41c7b5 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -246,6 +246,15 @@ lpfc_config_port_post(struct lpfc_hba *phba) int i, j; int rc; + spin_lock_irq(&phba->hbalock); + /* + * If the Config port completed correctly the HBA is not + * over heated any more. + */ + if (phba->over_temp_state == HBA_OVER_TEMP) + phba->over_temp_state = HBA_NORMAL_TEMP; + spin_unlock_irq(&phba->hbalock); + pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { phba->link_state = LPFC_HBA_ERROR; @@ -703,7 +712,10 @@ lpfc_handle_eratt(struct lpfc_hba *phba) SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + phba->over_temp_state = HBA_OVER_TEMP; + spin_unlock_irq(&phba->hbalock); lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_unblock_mgmt_io(phba); |