Commit 80d3ac77 authored by Michael Reed's avatar Michael Reed Committed by James Bottomley
Browse files

[SCSI] mptfusion: move fc event/reset handling to mptfc 



Move fibre channel event and reset handling to mptfc.  This will
result in fewer changes over time that need to be applied to
either mptbase.c or mptscsih.c.

Signed-off-by: default avatarMichael Reed <mdr@sgi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent f0cd91a6

drivers/message/fusion/mptbase.c

+0 −112
Original line number Diff line number Diff line
@@ -1188,7 +1188,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) 
	ioc->pcidev = pdev;

	ioc->diagPending = 0;

	spin_lock_init(&ioc->diagLock);

	spin_lock_init(&ioc->fc_rescan_work_lock);

	spin_lock_init(&ioc->initializing_hba_lock);



	/* Initialize the event logging.
@@ -1847,14 +1846,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) 
			mpt_findImVolumes(ioc);



		} else if (ioc->bus_type == FC) {

			/*

			 *  Pre-fetch FC port WWN and stuff...

			 *  (FCPortPage0_t stuff)

			 */

			for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {

				(void) mptbase_GetFcPortPage0(ioc, ii);

			}



			if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&

			    (ioc->lan_cnfg_page0.Header.PageLength == 0)) {

				/*
@@ -4184,108 +4175,6 @@ GetLanConfigPages(MPT_ADAPTER *ioc) 
	return rc;

}



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

/*

 *	mptbase_GetFcPortPage0 - Fetch FCPort config Page0.

 *	@ioc: Pointer to MPT_ADAPTER structure

 *	@portnum: IOC Port number

 *

 *	Return: 0 for success

 *	-ENOMEM if no memory available

 *		-EPERM if not allowed due to ISR context

 *		-EAGAIN if no msg frames currently available

 *		-EFAULT for non-successful reply or no reply (timeout)

 */

int

mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)

{

	ConfigPageHeader_t	 hdr;

	CONFIGPARMS		 cfg;

	FCPortPage0_t		*ppage0_alloc;

	FCPortPage0_t		*pp0dest;

	dma_addr_t		 page0_dma;

	int			 data_sz;

	int			 copy_sz;

	int			 rc;

	int			 count = 400;





	/* Get FCPort Page 0 header */

	hdr.PageVersion = 0;

	hdr.PageLength = 0;

	hdr.PageNumber = 0;

	hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;

	cfg.cfghdr.hdr = &hdr;

	cfg.physAddr = -1;

	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;

	cfg.dir = 0;

	cfg.pageAddr = portnum;

	cfg.timeout = 0;



	if ((rc = mpt_config(ioc, &cfg)) != 0)

		return rc;



	if (hdr.PageLength == 0)

		return 0;



	data_sz = hdr.PageLength * 4;

	rc = -ENOMEM;

	ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);

	if (ppage0_alloc) {



 try_again:

		memset((u8 *)ppage0_alloc, 0, data_sz);

		cfg.physAddr = page0_dma;

		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;



		if ((rc = mpt_config(ioc, &cfg)) == 0) {

			/* save the data */

			pp0dest = &ioc->fc_port_page0[portnum];

			copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);

			memcpy(pp0dest, ppage0_alloc, copy_sz);



			/*

			 *	Normalize endianness of structure data,

			 *	by byte-swapping all > 1 byte fields!

			 */

			pp0dest->Flags = le32_to_cpu(pp0dest->Flags);

			pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);

			pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);

			pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);

			pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);

			pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);

			pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);

			pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);

			pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);

			pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);

			pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);

			pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);

			pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);

			pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);

			pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);

			pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);



			/*

			 * if still doing discovery,

			 * hang loose a while until finished

			 */

			if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {

				if (count-- > 0) {

					msleep_interruptible(100);

					goto try_again;

				}

				printk(MYIOC_s_INFO_FMT "Firmware discovery not"

							" complete.\n",

						ioc->name);

			}

		}



		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);

	}



	return rc;

}



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

/*

 *	mptbase_sas_persist_operation - Perform operation on SAS Persitent Table
@@ -6495,7 +6384,6 @@ EXPORT_SYMBOL(mpt_findImVolumes); 
EXPORT_SYMBOL(mpt_alloc_fw_memory);

EXPORT_SYMBOL(mpt_free_fw_memory);

EXPORT_SYMBOL(mptbase_sas_persist_operation);

EXPORT_SYMBOL(mptbase_GetFcPortPage0);





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

drivers/message/fusion/mptbase.h

+0 −1
Original line number Diff line number Diff line
@@ -1027,7 +1027,6 @@ extern void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size); 
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	 mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);



/*

 *  Public data decl's...

drivers/message/fusion/mptfc.c

+184 −3
Original line number Diff line number Diff line
@@ -596,6 +596,110 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) 
	return err;

}



/*

 *	mptfc_GetFcPortPage0 - Fetch FCPort config Page0.

 *	@ioc: Pointer to MPT_ADAPTER structure

 *	@portnum: IOC Port number

 *

 *	Return: 0 for success

 *	-ENOMEM if no memory available

 *		-EPERM if not allowed due to ISR context

 *		-EAGAIN if no msg frames currently available

 *		-EFAULT for non-successful reply or no reply (timeout)

 *		-EINVAL portnum arg out of range (hardwired to two elements)

 */

static int

mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)

{

	ConfigPageHeader_t	 hdr;

	CONFIGPARMS		 cfg;

	FCPortPage0_t		*ppage0_alloc;

	FCPortPage0_t		*pp0dest;

	dma_addr_t		 page0_dma;

	int			 data_sz;

	int			 copy_sz;

	int			 rc;

	int			 count = 400;



	if (portnum > 1)

		return -EINVAL;



	/* Get FCPort Page 0 header */

	hdr.PageVersion = 0;

	hdr.PageLength = 0;

	hdr.PageNumber = 0;

	hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;

	cfg.cfghdr.hdr = &hdr;

	cfg.physAddr = -1;

	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;

	cfg.dir = 0;

	cfg.pageAddr = portnum;

	cfg.timeout = 0;



	if ((rc = mpt_config(ioc, &cfg)) != 0)

		return rc;



	if (hdr.PageLength == 0)

		return 0;



	data_sz = hdr.PageLength * 4;

	rc = -ENOMEM;

	ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);

	if (ppage0_alloc) {



 try_again:

		memset((u8 *)ppage0_alloc, 0, data_sz);

		cfg.physAddr = page0_dma;

		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;



		if ((rc = mpt_config(ioc, &cfg)) == 0) {

			/* save the data */

			pp0dest = &ioc->fc_port_page0[portnum];

			copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);

			memcpy(pp0dest, ppage0_alloc, copy_sz);



			/*

			 *	Normalize endianness of structure data,

			 *	by byte-swapping all > 1 byte fields!

			 */

			pp0dest->Flags = le32_to_cpu(pp0dest->Flags);

			pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);

			pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);

			pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);

			pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);

			pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);

			pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);

			pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);

			pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);

			pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);

			pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);

			pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);

			pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);

			pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);

			pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);

			pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);



			/*

			 * if still doing discovery,

			 * hang loose a while until finished

			 */

			if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {

				if (count-- > 0) {

					msleep_interruptible(100);

					goto try_again;

				}

				printk(MYIOC_s_INFO_FMT "Firmware discovery not"

							" complete.\n",

						ioc->name);

			}

		}



		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);

	}



	return rc;

}



static void

mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)

{
@@ -651,7 +755,7 @@ mptfc_rescan_devices(void *arg) 
		 * will reregister existing rports

		 */

		for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {

			(void) mptbase_GetFcPortPage0(ioc, ii);

			(void) mptfc_GetFcPortPage0(ioc, ii);

			mptfc_init_host_attr(ioc,ii);	/* refresh */

			mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev);

		}
@@ -753,6 +857,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
		goto out_mptfc_probe;

        }



	spin_lock_init(&ioc->fc_rescan_work_lock);

	INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc);



	spin_lock_irqsave(&ioc->FreeQlock, flags);
@@ -888,6 +993,14 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	if (!ioc->fc_rescan_work_q)

		goto out_mptfc_probe;



	/*

	 *  Pre-fetch FC port WWN and stuff...

	 *  (FCPortPage0_t stuff)

	 */

	for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {

		(void) mptfc_GetFcPortPage0(ioc, ii);

	}



	/*

	 * scan for rports -

	 *	by doing it via the workqueue, some locking is eliminated
@@ -917,6 +1030,74 @@ static struct pci_driver mptfc_driver = { 
#endif

};



static int

mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)

{

	MPT_SCSI_HOST *hd;

	u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;

	unsigned long flags;

	int rc=1;



	devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",

			ioc->name, event));



	if (ioc->sh == NULL ||

		((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL))

		return 1;



	switch (event) {

	case MPI_EVENT_RESCAN:

		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);

		if (ioc->fc_rescan_work_q) {

			if (ioc->fc_rescan_work_count++ == 0) {

				queue_work(ioc->fc_rescan_work_q,

					   &ioc->fc_rescan_work);

			}

		}

		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);

		break;

	default:

		rc = mptscsih_event_process(ioc,pEvReply);

		break;

	}

	return rc;

}



static int

mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)

{

	int		rc;

	unsigned long	flags;



	rc = mptscsih_ioc_reset(ioc,reset_phase);

	if (rc == 0)

		return rc;





	dtmprintk((KERN_WARNING MYNAM

		": IOC %s_reset routed to FC host driver!\n",

		reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (

		reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));



	if (reset_phase == MPT_IOC_SETUP_RESET) {

	}



	else if (reset_phase == MPT_IOC_PRE_RESET) {

	}



	else {	/* MPT_IOC_POST_RESET */

		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);

		if (ioc->fc_rescan_work_q) {

			if (ioc->fc_rescan_work_count++ == 0) {

				queue_work(ioc->fc_rescan_work_q,

					   &ioc->fc_rescan_work);

			}

		}

		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);

	}

	return 1;

}



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

/**

 *	mptfc_init - Register MPT adapter(s) as SCSI host(s) with
@@ -945,12 +1126,12 @@ mptfc_init(void) 
	mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);

	mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);



	if (mpt_event_register(mptfcDoneCtx, mptscsih_event_process) == 0) {

	if (mpt_event_register(mptfcDoneCtx, mptfc_event_process) == 0) {

		devtverboseprintk((KERN_INFO MYNAM

		  ": Registered for IOC event notifications\n"));

	}



	if (mpt_reset_register(mptfcDoneCtx, mptscsih_ioc_reset) == 0) {

	if (mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset) == 0) {

		dprintk((KERN_INFO MYNAM

		  ": Registered for IOC reset notifications\n"));

	}

drivers/message/fusion/mptscsih.c

+0 −21
Original line number Diff line number Diff line
@@ -2521,18 +2521,6 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 
			hd->cmdPtr = NULL;

		}



		/* 7. FC: Rescan for blocked rports which might have returned.

		 */

		if (ioc->bus_type == FC) {

			spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);

			if (ioc->fc_rescan_work_q) {

				if (ioc->fc_rescan_work_count++ == 0) {

					queue_work(ioc->fc_rescan_work_q,

						   &ioc->fc_rescan_work);

				}

			}

			spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);

		}

		dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name));



	}
@@ -2546,7 +2534,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 
{

	MPT_SCSI_HOST *hd;

	u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;

	unsigned long flags;



	devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",

			ioc->name, event));
@@ -2569,14 +2556,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 
		break;



	case MPI_EVENT_RESCAN:				/* 06 */

		spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);

		if (ioc->fc_rescan_work_q) {

			if (ioc->fc_rescan_work_count++ == 0) {

				queue_work(ioc->fc_rescan_work_q,

					   &ioc->fc_rescan_work);

			}

		}

		spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);

		break;



		/*

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