mptbase.c

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			ioc->name, recovery_state);
	} else {
		printk(MYIOC_s_INFO_FMT
			"pci-resume: success\n", ioc->name);
	}

	return 0;
}
#endif

static int
mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
{
	if ((MptDriverClass[index] == MPTSPI_DRIVER &&
	     ioc->bus_type != SPI) ||
	    (MptDriverClass[index] == MPTFC_DRIVER &&
	     ioc->bus_type != FC) ||
	    (MptDriverClass[index] == MPTSAS_DRIVER &&
	     ioc->bus_type != SAS))
		/* make sure we only call the relevant reset handler
		 * for the bus */
		return 0;
	return (MptResetHandlers[index])(ioc, reset_phase);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_do_ioc_recovery - Initialize or recover MPT adapter.
 *	@ioc: Pointer to MPT adapter structure
 *	@reason: Event word / reason
 *	@sleepFlag: Use schedule if CAN_SLEEP else use udelay.
 *
 *	This routine performs all the steps necessary to bring the IOC
 *	to a OPERATIONAL state.
 *
 *	This routine also pre-fetches the LAN MAC address of a Fibre Channel
 *	MPT adapter.
 *
 *	Returns:
 *		 0 for success
 *		-1 if failed to get board READY
 *		-2 if READY but IOCFacts Failed
 *		-3 if READY but PrimeIOCFifos Failed
 *		-4 if READY but IOCInit Failed
 */
static int
mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
{
	int	 hard_reset_done = 0;
	int	 alt_ioc_ready = 0;
	int	 hard;
	int	 rc=0;
	int	 ii;
	u8	 cb_idx;
	int	 handlers;
	int	 ret = 0;
	int	 reset_alt_ioc_active = 0;
	int	 irq_allocated = 0;
	u8	*a;

	printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
	    reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");

	/* Disable reply interrupts (also blocks FreeQ) */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
	ioc->active = 0;

	if (ioc->alt_ioc) {
		if (ioc->alt_ioc->active)
			reset_alt_ioc_active = 1;

		/* Disable alt-IOC's reply interrupts (and FreeQ) for a bit ... */
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 0xFFFFFFFF);
		ioc->alt_ioc->active = 0;
	}

	hard = 1;
	if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
		hard = 0;

	if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
		if (hard_reset_done == -4) {
			printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
			    ioc->name);

			if (reset_alt_ioc_active && ioc->alt_ioc) {
				/* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
				dprintk(ioc, printk(MYIOC_s_INFO_FMT
				    "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
				CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
				ioc->alt_ioc->active = 1;
			}

		} else {
			printk(MYIOC_s_WARN_FMT "NOT READY!\n", ioc->name);
		}
		return -1;
	}

	/* hard_reset_done = 0 if a soft reset was performed
	 * and 1 if a hard reset was performed.
	 */
	if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
		if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
			alt_ioc_ready = 1;
		else
			printk(MYIOC_s_WARN_FMT "alt_ioc not ready!\n", ioc->alt_ioc->name);
	}

	for (ii=0; ii<5; ii++) {
		/* Get IOC facts! Allow 5 retries */
		if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
			break;
	}


	if (ii == 5) {
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		    "Retry IocFacts failed rc=%x\n", ioc->name, rc));
		ret = -2;
	} else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
		MptDisplayIocCapabilities(ioc);
	}

	if (alt_ioc_ready) {
		if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
			    "Initial Alt IocFacts failed rc=%x\n", ioc->name, rc));
			/* Retry - alt IOC was initialized once
			 */
			rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
		}
		if (rc) {
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
			    "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
			alt_ioc_ready = 0;
			reset_alt_ioc_active = 0;
		} else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
			MptDisplayIocCapabilities(ioc->alt_ioc);
		}
	}

	/*
	 * Device is reset now. It must have de-asserted the interrupt line
	 * (if it was asserted) and it should be safe to register for the
	 * interrupt now.
	 */
	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
		ioc->pci_irq = -1;
		if (ioc->pcidev->irq) {
			if (mpt_msi_enable && !pci_enable_msi(ioc->pcidev))
				printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
				    ioc->name);
			rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
			    IRQF_SHARED, ioc->name, ioc);
			if (rc < 0) {
				printk(MYIOC_s_ERR_FMT "Unable to allocate "
				    "interrupt %d!\n", ioc->name, ioc->pcidev->irq);
				if (mpt_msi_enable)
					pci_disable_msi(ioc->pcidev);
				return -EBUSY;
			}
			irq_allocated = 1;
			ioc->pci_irq = ioc->pcidev->irq;
			pci_set_master(ioc->pcidev);		/* ?? */
			pci_set_drvdata(ioc->pcidev, ioc);
			dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
			    "%d\n", ioc->name, ioc->pcidev->irq));
		}
	}

	/* Prime reply & request queues!
	 * (mucho alloc's) Must be done prior to
	 * init as upper addresses are needed for init.
	 * If fails, continue with alt-ioc processing
	 */
	if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
		ret = -3;

	/* May need to check/upload firmware & data here!
	 * If fails, continue with alt-ioc processing
	 */
	if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
		ret = -4;
// NEW!
	if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
		printk(MYIOC_s_WARN_FMT ": alt_ioc (%d) FIFO mgmt alloc!\n",
		    ioc->alt_ioc->name, rc);
		alt_ioc_ready = 0;
		reset_alt_ioc_active = 0;
	}

	if (alt_ioc_ready) {
		if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
			alt_ioc_ready = 0;
			reset_alt_ioc_active = 0;
			printk(MYIOC_s_WARN_FMT "alt_ioc (%d) init failure!\n",
			    ioc->alt_ioc->name, rc);
		}
	}

	if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
		if (ioc->upload_fw) {
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
			    "firmware upload required!\n", ioc->name));

			/* Controller is not operational, cannot do upload
			 */
			if (ret == 0) {
				rc = mpt_do_upload(ioc, sleepFlag);
				if (rc == 0) {
					if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
						/*
						 * Maintain only one pointer to FW memory
						 * so there will not be two attempt to
						 * downloadboot onboard dual function
						 * chips (mpt_adapter_disable,
						 * mpt_diag_reset)
						 */
						ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
						    "mpt_upload:  alt_%s has cached_fw=%p \n",
						    ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
						ioc->alt_ioc->cached_fw = NULL;
					}
				} else {
					printk(MYIOC_s_WARN_FMT
					    "firmware upload failure!\n", ioc->name);
					ret = -5;
				}
			}
		}
	}

	if (ret == 0) {
		/* Enable! (reply interrupt) */
		CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
		ioc->active = 1;
	}

	if (reset_alt_ioc_active && ioc->alt_ioc) {
		/* (re)Enable alt-IOC! (reply interrupt) */
		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "alt_ioc reply irq re-enabled\n",
		    ioc->alt_ioc->name));
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
		ioc->alt_ioc->active = 1;
	}

	/*  Enable MPT base driver management of EventNotification
	 *  and EventAck handling.
	 */
	if ((ret == 0) && (!ioc->facts.EventState))
		(void) SendEventNotification(ioc, 1);	/* 1=Enable EventNotification */

	if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
		(void) SendEventNotification(ioc->alt_ioc, 1);	/* 1=Enable EventNotification */

	/*	Add additional "reason" check before call to GetLanConfigPages
	 *	(combined with GetIoUnitPage2 call).  This prevents a somewhat
	 *	recursive scenario; GetLanConfigPages times out, timer expired
	 *	routine calls HardResetHandler, which calls into here again,
	 *	and we try GetLanConfigPages again...
	 */
	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {

		/*
		 * Initalize link list for inactive raid volumes.
		 */
		init_MUTEX(&ioc->raid_data.inactive_list_mutex);
		INIT_LIST_HEAD(&ioc->raid_data.inactive_list);

		if (ioc->bus_type == SAS) {

			/* clear persistency table */
			if(ioc->facts.IOCExceptions &
			    MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
				ret = mptbase_sas_persist_operation(ioc,
				    MPI_SAS_OP_CLEAR_NOT_PRESENT);
				if(ret != 0)
					goto out;
			}

			/* Find IM volumes
			 */
			mpt_findImVolumes(ioc);

		} else if (ioc->bus_type == FC) {
			if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
			    (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
				/*
				 *  Pre-fetch the ports LAN MAC address!
				 *  (LANPage1_t stuff)
				 */
				(void) GetLanConfigPages(ioc);
				a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				    "LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
				    ioc->name, a[5], a[4], a[3], a[2], a[1], a[0]));

			}
		} else {
			/* Get NVRAM and adapter maximums from SPP 0 and 2
			 */
			mpt_GetScsiPortSettings(ioc, 0);

			/* Get version and length of SDP 1
			 */
			mpt_readScsiDevicePageHeaders(ioc, 0);

			/* Find IM volumes
			 */
			if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
				mpt_findImVolumes(ioc);

			/* Check, and possibly reset, the coalescing value
			 */
			mpt_read_ioc_pg_1(ioc);

			mpt_read_ioc_pg_4(ioc);
		}

		GetIoUnitPage2(ioc);
		mpt_get_manufacturing_pg_0(ioc);
	}

	/*
	 * Call each currently registered protocol IOC reset handler
	 * with post-reset indication.
	 * NOTE: If we're doing _IOC_BRINGUP, there can be no
	 * MptResetHandlers[] registered yet.
	 */
	if (hard_reset_done) {
		rc = handlers = 0;
		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
			if ((ret == 0) && MptResetHandlers[cb_idx]) {
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				    "Calling IOC post_reset handler #%d\n",
				    ioc->name, cb_idx));
				rc += mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
				handlers++;
			}

			if (alt_ioc_ready && MptResetHandlers[cb_idx]) {
				drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				    "Calling IOC post_reset handler #%d\n",
				    ioc->alt_ioc->name, cb_idx));
				rc += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_POST_RESET);
				handlers++;
			}
		}
		/* FIXME?  Examine results here? */
	}

 out:
	if ((ret != 0) && irq_allocated) {
		free_irq(ioc->pci_irq, ioc);
		if (mpt_msi_enable)
			pci_disable_msi(ioc->pcidev);
	}
	return ret;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_detect_bound_ports - Search for matching PCI bus/dev_function
 *	@ioc: Pointer to MPT adapter structure
 *	@pdev: Pointer to (struct pci_dev) structure
 *
 *	Search for PCI bus/dev_function which matches
 *	PCI bus/dev_function (+/-1) for newly discovered 929,
 *	929X, 1030 or 1035.
 *
 *	If match on PCI dev_function +/-1 is found, bind the two MPT adapters
 *	using alt_ioc pointer fields in their %MPT_ADAPTER structures.
 */
static void
mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
{
	struct pci_dev *peer=NULL;
	unsigned int slot = PCI_SLOT(pdev->devfn);
	unsigned int func = PCI_FUNC(pdev->devfn);
	MPT_ADAPTER *ioc_srch;

	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
	    " searching for devfn match on %x or %x\n",
	    ioc->name, pci_name(pdev), pdev->bus->number,
	    pdev->devfn, func-1, func+1));

	peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
	if (!peer) {
		peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
		if (!peer)
			return;
	}

	list_for_each_entry(ioc_srch, &ioc_list, list) {
		struct pci_dev *_pcidev = ioc_srch->pcidev;
		if (_pcidev == peer) {
			/* Paranoia checks */
			if (ioc->alt_ioc != NULL) {
				printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
					ioc->name, ioc->alt_ioc->name);
				break;
			} else if (ioc_srch->alt_ioc != NULL) {
				printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
					ioc_srch->name, ioc_srch->alt_ioc->name);
				break;
			}
			dprintk(ioc, printk(MYIOC_s_INFO_FMT "FOUND! binding to %s\n",
				ioc->name, ioc_srch->name));
			ioc_srch->alt_ioc = ioc;
			ioc->alt_ioc = ioc_srch;
		}
	}
	pci_dev_put(peer);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_adapter_disable - Disable misbehaving MPT adapter.
 *	@ioc: Pointer to MPT adapter structure
 */
static void
mpt_adapter_disable(MPT_ADAPTER *ioc)
{
	int sz;
	int ret;

	if (ioc->cached_fw != NULL) {
		ddlprintk(ioc, printk(MYIOC_s_INFO_FMT
		    "mpt_adapter_disable: Pushing FW onto adapter\n", ioc->name));
		if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)ioc->cached_fw, NO_SLEEP)) < 0) {
			printk(MYIOC_s_WARN_FMT "firmware downloadboot failure (%d)!\n",
			    ioc->name, ret);
		}
	}

	/* Disable adapter interrupts! */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
	ioc->active = 0;
	/* Clear any lingering interrupt */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

	if (ioc->alloc != NULL) {
		sz = ioc->alloc_sz;
		dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free  @ %p, sz=%d bytes\n",
		    ioc->name, ioc->alloc, ioc->alloc_sz));
		pci_free_consistent(ioc->pcidev, sz,
				ioc->alloc, ioc->alloc_dma);
		ioc->reply_frames = NULL;
		ioc->req_frames = NULL;
		ioc->alloc = NULL;
		ioc->alloc_total -= sz;
	}

	if (ioc->sense_buf_pool != NULL) {
		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
		pci_free_consiste