diff options
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_hwi.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_sas.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_sas.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 36 | ||||
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.h | 13 |
5 files changed, 61 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index c8d4d87c5473..f147193d67bd 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4998,4 +4998,5 @@ const struct pm8001_dispatch pm8001_8001_dispatch = { .fw_flash_update_req = pm8001_chip_fw_flash_update_req, .set_dev_state_req = pm8001_chip_set_dev_state_req, .sas_re_init_req = pm8001_chip_sas_re_initialization, + .fatal_errors = pm80xx_fatal_errors, }; diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index d1e9dba2ef19..f8d142f9b9ad 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1183,12 +1183,21 @@ int pm8001_abort_task(struct sas_task *task) int rc = TMF_RESP_FUNC_FAILED, ret; u32 phy_id; struct sas_task_slow slow_task; + if (unlikely(!task || !task->lldd_task || !task->dev)) return TMF_RESP_FUNC_FAILED; + dev = task->dev; pm8001_dev = dev->lldd_dev; pm8001_ha = pm8001_find_ha_by_dev(dev); phy_id = pm8001_dev->attached_phy; + + if (PM8001_CHIP_DISP->fatal_errors(pm8001_ha)) { + // If the controller is seeing fatal errors + // abort task will not get a response from the controller + return TMF_RESP_FUNC_FAILED; + } + ret = pm8001_find_tag(task, &tag); if (ret == 0) { pm8001_info(pm8001_ha, "no tag for task:%p\n", task); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index f2c8cbad3853..039ed91e9841 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -215,6 +215,7 @@ struct pm8001_dispatch { int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha, u32 state); int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha); + int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha); }; struct pm8001_chip_info { @@ -725,6 +726,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev, ssize_t pm80xx_get_non_fatal_dump(struct device *cdev, struct device_attribute *attr, char *buf); ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf); +int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha); /* ctl shared API */ extern struct device_attribute *pm8001_host_attrs[]; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 9c4b8b374ab8..86a3d483749c 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1526,6 +1526,41 @@ static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha) } /** + * pm80xx_fatal_errors - returns non zero *ONLY* when fatal errors + * @pm8001_ha: our hba card information + * + * Fatal errors are recoverable only after a host reboot. + */ +int +pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha) +{ + int ret = 0; + u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0, + MSGU_HOST_SCRATCH_PAD_6); + u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0, + MSGU_HOST_SCRATCH_PAD_7); + u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1); + u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2); + u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3); + + if (pm8001_ha->chip_id != chip_8006 && + pm8001_ha->chip_id != chip_8074 && + pm8001_ha->chip_id != chip_8076) { + return 0; + } + + if (MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(scratch_pad1)) { + pm8001_dbg(pm8001_ha, FAIL, + "Fatal error SCRATCHPAD1 = 0x%x SCRATCHPAD2 = 0x%x SCRATCHPAD3 = 0x%x SCRATCHPAD_RSVD0 = 0x%x SCRATCHPAD_RSVD1 = 0x%x\n", + scratch_pad1, scratch_pad2, scratch_pad3, + scratch_pad_rsvd0, scratch_pad_rsvd1); + ret = 1; + } + + return ret; +} + +/** * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all * the FW register status to the originated status. * @pm8001_ha: our hba card information @@ -4959,4 +4994,5 @@ const struct pm8001_dispatch pm8001_80xx_dispatch = { .set_nvmd_req = pm8001_chip_set_nvmd_req, .fw_flash_update_req = pm8001_chip_fw_flash_update_req, .set_dev_state_req = pm8001_chip_set_dev_state_req, + .fatal_errors = pm80xx_fatal_errors, }; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index 2b6b52551968..2c8e85cfdbc4 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -1368,6 +1368,19 @@ typedef struct SASProtocolTimerConfig SASProtocolTimerConfig_t; #define MSGU_HOST_SCRATCH_PAD_6 0x6C #define MSGU_HOST_SCRATCH_PAD_7 0x70 +#define MSGU_SCRATCHPAD1_RAAE_STATE_ERR(x) ((x & 0x3) == 0x2) +#define MSGU_SCRATCHPAD1_ILA_STATE_ERR(x) (((x >> 2) & 0x3) == 0x2) +#define MSGU_SCRATCHPAD1_BOOTLDR_STATE_ERR(x) ((((x >> 4) & 0x7) == 0x7) || \ + (((x >> 4) & 0x7) == 0x4)) +#define MSGU_SCRATCHPAD1_IOP0_STATE_ERR(x) (((x >> 10) & 0x3) == 0x2) +#define MSGU_SCRATCHPAD1_IOP1_STATE_ERR(x) (((x >> 12) & 0x3) == 0x2) +#define MSGU_SCRATCHPAD1_STATE_FATAL_ERROR(x) \ + (MSGU_SCRATCHPAD1_RAAE_STATE_ERR(x) || \ + MSGU_SCRATCHPAD1_ILA_STATE_ERR(x) || \ + MSGU_SCRATCHPAD1_BOOTLDR_STATE_ERR(x) || \ + MSGU_SCRATCHPAD1_IOP0_STATE_ERR(x) || \ + MSGU_SCRATCHPAD1_IOP1_STATE_ERR(x)) + /* bit definition for ODMR register */ #define ODMR_MASK_ALL 0xFFFFFFFF/* mask all interrupt vector */ |