diff options
Diffstat (limited to 'drivers/scsi/pm8001/pm80xx_hwi.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 80 |
1 files changed, 74 insertions, 6 deletions
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 91ff6a44e9d9..b641875b8ad7 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -577,6 +577,9 @@ static void update_main_config_table(struct pm8001_hba_info *pm8001_ha) pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size); pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION, pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity); + /* Update Fatal error interrupt vector */ + pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |= + ((pm8001_ha->number_of_intr - 1) << 8); pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT, pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt); pm8001_mw32(address, MAIN_EVENT_CRC_CHECK, @@ -1110,6 +1113,9 @@ static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha) return -EBUSY; } + /* Initialize the controller fatal error flag */ + pm8001_ha->controller_fatal_error = false; + /* Initialize pci space address eg: mpi offset */ init_pci_device_addresses(pm8001_ha); init_default_table_values(pm8001_ha); @@ -1218,13 +1224,17 @@ pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha) u32 bootloader_state; u32 ibutton0, ibutton1; - /* Check if MPI is in ready state to reset */ - if (mpi_uninit_check(pm8001_ha) != 0) { - PM8001_FAIL_DBG(pm8001_ha, - pm8001_printk("MPI state is not ready\n")); - return -1; + /* Process MPI table uninitialization only if FW is ready */ + if (!pm8001_ha->controller_fatal_error) { + /* Check if MPI is in ready state to reset */ + if (mpi_uninit_check(pm8001_ha) != 0) { + regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1); + PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( + "MPI state is not ready scratch1 :0x%x\n", + regval)); + return -1; + } } - /* checked for reset register normal state; 0x0 */ regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET); PM8001_INIT_DBG(pm8001_ha, @@ -3754,6 +3764,46 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb) } } +static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha) +{ + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_SCRATCH_PAD_0: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_SCRATCH_PAD_1:0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_SCRATCH_PAD_2: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_SCRATCH_PAD_3: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_HOST_SCRATCH_PAD_0: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_HOST_SCRATCH_PAD_1: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_HOST_SCRATCH_PAD_2: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_HOST_SCRATCH_PAD_3: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_HOST_SCRATCH_PAD_4: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_HOST_SCRATCH_PAD_5: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6))); + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n", + pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7))); +} + static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) { struct outbound_queue_table *circularQ; @@ -3761,10 +3811,28 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) u8 uninitialized_var(bc); u32 ret = MPI_IO_STATUS_FAIL; unsigned long flags; + u32 regval; + if (vec == (pm8001_ha->number_of_intr - 1)) { + regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1); + if ((regval & SCRATCH_PAD_MIPSALL_READY) != + SCRATCH_PAD_MIPSALL_READY) { + pm8001_ha->controller_fatal_error = true; + PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( + "Firmware Fatal error! Regval:0x%x\n", regval)); + print_scratchpad_registers(pm8001_ha); + return ret; + } + } spin_lock_irqsave(&pm8001_ha->lock, flags); circularQ = &pm8001_ha->outbnd_q_tbl[vec]; do { + /* spurious interrupt during setup if kexec-ing and + * driver doing a doorbell access w/ the pre-kexec oq + * interrupt setup. + */ + if (!circularQ->pi_virt) + break; ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc); if (MPI_IO_STATUS_SUCCESS == ret) { /* process the outbound message */ |