diff options
| author | Kashyap, Desai <kashyap.desai@lsi.com> | 2009-01-06 12:33:37 +0300 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-01-13 19:36:02 +0300 |
| commit | 2f4c782c2e06fbaef2ac2b6b7abd796b96abd98b (patch) | |
| tree | 2e20c691b1612614345ea369b64bd5f36107a4a6 /drivers/message/fusion/mptbase.c | |
| parent | e382968ba618e016ff7922dff9a6140c2f9108c8 (diff) | |
| download | linux-2f4c782c2e06fbaef2ac2b6b7abd796b96abd98b.tar.xz | |
[SCSI] mpt fusion: Add Firmware debug support
Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/message/fusion/mptbase.c')
| -rw-r--r-- | drivers/message/fusion/mptbase.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 787a12648dbc..96ac88317b8e 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -107,6 +107,14 @@ module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int, MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h \ - (default=0)"); +int mpt_fwfault_debug; +EXPORT_SYMBOL(mpt_fwfault_debug); +module_param_call(mpt_fwfault_debug, param_set_int, param_get_int, + &mpt_fwfault_debug, 0600); +MODULE_PARM_DESC(mpt_fwfault_debug, "Enable detection of Firmware fault" + " and halt Firmware on fault - (default=0)"); + + #ifdef MFCNT static int mfcounter = 0; @@ -6337,6 +6345,33 @@ mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int sh *size = y; } + +/** + * mpt_halt_firmware - Halts the firmware if it is operational and panic + * the kernel + * @ioc: Pointer to MPT_ADAPTER structure + * + **/ +void +mpt_halt_firmware(MPT_ADAPTER *ioc) +{ + u32 ioc_raw_state; + + ioc_raw_state = mpt_GetIocState(ioc, 0); + + if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { + printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n", + ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); + panic("%s: IOC Fault (%04xh)!!!\n", ioc->name, + ioc_raw_state & MPI_DOORBELL_DATA_MASK); + } else { + CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00); + panic("%s: Firmware is halted due to command timeout\n", + ioc->name); + } +} +EXPORT_SYMBOL(mpt_halt_firmware); + /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * Reset Handling @@ -6369,6 +6404,8 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name); printk("MF count 0x%x !\n", ioc->mfcnt); #endif + if (mpt_fwfault_debug) + mpt_halt_firmware(ioc); /* Reset the adapter. Prevent more than 1 call to * mpt_do_ioc_recovery at any instant in time. |