Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2f4c782c authored by Kashyap, Desai's avatar Kashyap, Desai Committed by James Bottomley
Browse files

[SCSI] mpt fusion: Add Firmware debug support 



Signed-off-by: default avatarKashyap Desai <kadesai@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent e382968b

drivers/message/fusion/mptbase.c

+37 −0
Original line number Diff line number Diff line
@@ -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.

drivers/message/fusion/mptbase.h

+3 −0
Original line number Diff line number Diff line
@@ -922,11 +922,14 @@ extern void mpt_free_fw_memory(MPT_ADAPTER *ioc); 
extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);

extern int	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);

extern int	 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);

extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);





/*

 *  Public data decl's...

 */

extern struct list_head	  ioc_list;

extern int mpt_fwfault_debug;



/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#endif		/* } __KERNEL__ */

drivers/message/fusion/mptscsih.c

+3 −0
Original line number Diff line number Diff line
@@ -1846,6 +1846,9 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) 
	if (hd->timeouts < -1)

		hd->timeouts++;



	if (mpt_fwfault_debug)

		mpt_halt_firmware(ioc);



	/* Most important!  Set TaskMsgContext to SCpnt's MsgContext!

	 * (the IO to be ABORT'd)

	 *