[SCSI] mpt fusion: config path optimized, completion queue is used (f0f09d3b) · Commits · e / devices / android_kernel_samsung_universal8895

drivers/message/fusion/mptbase.c

+215 −241

Original line number	Diff line number	Diff line
		@@ -146,7 +146,6 @@ static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
		static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
		static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];

		static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);

		/*
		* Driver Callback Index's
		@@ -159,7 +158,8 @@ static u8 last_drv_idx;
		* Forward protos...
		*/
		static irqreturn_t mpt_interrupt(int irq, void *bus_id);
		static int mpt_base_reply(MPT_ADAPTER ioc, MPT_FRAME_HDR req, MPT_FRAME_HDR *reply);
		static int mptbase_reply(MPT_ADAPTER ioc, MPT_FRAME_HDR req,
		MPT_FRAME_HDR *reply);
		static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
		u32 req, int replyBytes, u16 u16reply, int maxwait,
		int sleepFlag);
		@@ -190,7 +190,6 @@ static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
		static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
		static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
		static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
		static void mpt_timer_expired(unsigned long data);
		static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
		static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch,
		int sleepFlag);
		@@ -559,9 +558,9 @@ mpt_interrupt(int irq, void *bus_id)

		/=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=/
		/**
		* mpt_base_reply - MPT base driver's callback routine
		* mptbase_reply - MPT base driver's callback routine
		* @ioc: Pointer to MPT_ADAPTER structure
		* @mf: Pointer to original MPT request frame
		* @req: Pointer to original MPT request frame
		* @reply: Pointer to MPT reply frame (NULL if TurboReply)
		*
		* MPT base driver's callback routine; all base driver
		@@ -572,122 +571,49 @@ mpt_interrupt(int irq, void *bus_id)
		* should be freed, or 0 if it shouldn't.
		*/
		static int
		mpt_base_reply(MPT_ADAPTER ioc, MPT_FRAME_HDR mf, MPT_FRAME_HDR *reply)
		mptbase_reply(MPT_ADAPTER ioc, MPT_FRAME_HDR req, MPT_FRAME_HDR *reply)
		{
		EventNotificationReply_t *pEventReply;
		u8 event;
		int evHandlers;
		int freereq = 1;
		u8 func;

		dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply() called\n", ioc->name));
		#ifdef CONFIG_FUSION_LOGGING
		if ((ioc->debug_level & MPT_DEBUG_MSG_FRAME) &&
		!(reply->u.hdr.MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)) {
		dmfprintk(ioc, printk(MYIOC_s_INFO_FMT ": Original request frame (@%p) header\n",
		ioc->name, mf));
		DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)mf);
		}
		#endif

		func = reply->u.hdr.Function;
		dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, Function=%02Xh\n",
		ioc->name, func));

		if (func == MPI_FUNCTION_EVENT_NOTIFICATION) {
		EventNotificationReply_t pEvReply = (EventNotificationReply_t ) reply;
		int evHandlers = 0;
		int results;

		results = ProcessEventNotification(ioc, pEvReply, &evHandlers);
		if (results != evHandlers) {
		/* CHECKME! Any special handling needed here? */
		devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Called %d event handlers, sum results = %d\n",
		ioc->name, evHandlers, results));
		}

		/*
		* Hmmm... It seems that EventNotificationReply is an exception
		* to the rule of one reply per request.
		*/
		if (pEvReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) {
		switch (reply->u.hdr.Function) {
		case MPI_FUNCTION_EVENT_NOTIFICATION:
		pEventReply = (EventNotificationReply_t *)reply;
		evHandlers = 0;
		ProcessEventNotification(ioc, pEventReply, &evHandlers);
		event = le32_to_cpu(pEventReply->Event) & 0xFF;
		if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
		freereq = 0;
		} else {
		devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "EVENT_NOTIFICATION reply %p returns Request frame\n",
		ioc->name, pEvReply));
		}

		#ifdef CONFIG_PROC_FS
		// LogEvent(ioc, pEvReply);
		#endif

		} else if (func == MPI_FUNCTION_EVENT_ACK) {
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, EventAck reply received\n",
		ioc->name));
		} else if (func == MPI_FUNCTION_CONFIG) {
		CONFIGPARMS *pCfg;
		unsigned long flags;

		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "config_complete (mf=%p,mr=%p)\n",
		ioc->name, mf, reply));

		pCfg = * ((CONFIGPARMS *)((u8 ) mf + ioc->req_sz - sizeof(void *)));

		if (pCfg) {
		/* disable timer and remove from linked list */
		del_timer(&pCfg->timer);

		spin_lock_irqsave(&ioc->FreeQlock, flags);
		list_del(&pCfg->linkage);
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);

		/*
		* If IOC Status is SUCCESS, save the header
		* and set the status code to GOOD.
		*/
		pCfg->status = MPT_CONFIG_ERROR;
		if (event != MPI_EVENT_EVENT_CHANGE)
		break;
		case MPI_FUNCTION_CONFIG:
		case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
		ioc->mptbase_cmds.status \|= MPT_MGMT_STATUS_COMMAND_GOOD;
		if (reply) {
		ConfigReply_t pReply = (ConfigReply_t )reply;
		u16 status;

		status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
		dcprintk(ioc, printk(MYIOC_s_NOTE_FMT " IOCStatus=%04xh, IOCLogInfo=%08xh\n",
		ioc->name, status, le32_to_cpu(pReply->IOCLogInfo)));

		pCfg->status = status;
		if (status == MPI_IOCSTATUS_SUCCESS) {
		if ((pReply->Header.PageType &
		MPI_CONFIG_PAGETYPE_MASK) ==
		MPI_CONFIG_PAGETYPE_EXTENDED) {
		pCfg->cfghdr.ehdr->ExtPageLength =
		le16_to_cpu(pReply->ExtPageLength);
		pCfg->cfghdr.ehdr->ExtPageType =
		pReply->ExtPageType;
		}
		pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;

		/* If this is a regular header, save PageLength. */
		/* LMP Do this better so not using a reserved field! */
		pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
		pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
		pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
		}
		}

		/*
		* Wake up the original calling thread
		*/
		pCfg->wait_done = 1;
		wake_up(&mpt_waitq);
		}
		} else if (func == MPI_FUNCTION_SAS_IO_UNIT_CONTROL) {
		/* we should be always getting a reply frame */
		memcpy(ioc->persist_reply_frame, reply,
		ioc->mptbase_cmds.status \|= MPT_MGMT_STATUS_RF_VALID;
		memcpy(ioc->mptbase_cmds.reply, reply,
		min(MPT_DEFAULT_FRAME_SIZE,
		4 * reply->u.reply.MsgLength));
		del_timer(&ioc->persist_timer);
		ioc->persist_wait_done = 1;
		wake_up(&mpt_waitq);
		} else {
		printk(MYIOC_s_ERR_FMT "Unexpected msg function (=%02Xh) reply received!\n",
		ioc->name, func);
		}
		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
		ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
		complete(&ioc->mptbase_cmds.done);
		} else
		freereq = 0;
		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF)
		freereq = 1;
		break;
		case MPI_FUNCTION_EVENT_ACK:
		devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"EventAck reply received\n", ioc->name));
		break;
		default:
		printk(MYIOC_s_ERR_FMT
		"Unexpected msg function (=%02Xh) reply received!\n",
		ioc->name, reply->u.hdr.Function);
		break;
		}

		/*
		@@ -1849,6 +1775,9 @@ mpt_attach(struct pci_dev pdev, const struct pci_device_id id)
		spin_lock_init(&ioc->diagLock);
		spin_lock_init(&ioc->initializing_hba_lock);

		mutex_init(&ioc->mptbase_cmds.mutex);
		init_completion(&ioc->mptbase_cmds.done);

		/* Initialize the event logging.
		*/
		ioc->eventTypes = 0; /* None */
		@@ -1866,10 +1795,6 @@ mpt_attach(struct pci_dev pdev, const struct pci_device_id id)
		*/
		memset(&ioc->spi_data, 0, sizeof(SpiCfgData));

		/* Initialize the running configQ head.
		*/
		INIT_LIST_HEAD(&ioc->configQ);

		/* Initialize the fc rport list head.
		*/
		INIT_LIST_HEAD(&ioc->fc_rports);
		@@ -5013,7 +4938,14 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
		SasIoUnitControlReply_t *sasIoUnitCntrReply;
		MPT_FRAME_HDR *mf = NULL;
		MPIHeader_t *mpi_hdr;
		int ret = 0;
		unsigned long timeleft;

		mutex_lock(&ioc->mptbase_cmds.mutex);

		/* init the internal cmd struct */
		memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
		INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)

		/* insure garbage is not sent to fw */
		switch(persist_opcode) {
		@@ -5023,17 +4955,19 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
		break;

		default:
		return -1;
		break;
		ret = -1;
		goto out;
		}

		printk("%s: persist_opcode=%x\n",__func__, persist_opcode);
		printk(KERN_DEBUG "%s: persist_opcode=%x\n",
		__func__, persist_opcode);

		/* Get a MF for this command.
		*/
		if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
		printk("%s: no msg frames!\n",__func__);
		return -1;
		printk(KERN_DEBUG "%s: no msg frames!\n", __func__);
		ret = -1;
		goto out;
		}

		mpi_hdr = (MPIHeader_t *) mf;
		@@ -5043,27 +4977,42 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
		sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
		sasIoUnitCntrReq->Operation = persist_opcode;

		init_timer(&ioc->persist_timer);
		ioc->persist_timer.data = (unsigned long) ioc;
		ioc->persist_timer.function = mpt_timer_expired;
		ioc->persist_timer.expires = jiffies + HZ10 / 10 sec */;
		ioc->persist_wait_done=0;
		add_timer(&ioc->persist_timer);
		mpt_put_msg_frame(mpt_base_index, ioc, mf);
		wait_event(mpt_waitq, ioc->persist_wait_done);
		timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ);
		if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
		ret = -ETIME;
		printk(KERN_DEBUG "%s: failed\n", __func__);
		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
		goto out;
		if (!timeleft) {
		printk(KERN_DEBUG "%s: Issuing Reset from %s!!\n",
		ioc->name, __func__);
		mpt_HardResetHandler(ioc, CAN_SLEEP);
		mpt_free_msg_frame(ioc, mf);
		}
		goto out;
		}

		if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
		ret = -1;
		goto out;
		}

		sasIoUnitCntrReply =
		(SasIoUnitControlReply_t *)ioc->persist_reply_frame;
		(SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply;
		if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
		printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
		__func__,
		sasIoUnitCntrReply->IOCStatus,
		printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
		__func__, sasIoUnitCntrReply->IOCStatus,
		sasIoUnitCntrReply->IOCLogInfo);
		return -1;
		}
		printk(KERN_DEBUG "%s: failed\n", __func__);
		ret = -1;
		} else
		printk(KERN_DEBUG "%s: success\n", __func__);
		out:

		printk("%s: success\n",__func__);
		return 0;
		CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
		mutex_unlock(&ioc->mptbase_cmds.mutex);
		return ret;
		}

		/=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=/
		@@ -6103,12 +6052,18 @@ int
		mpt_config(MPT_ADAPTER ioc, CONFIGPARMS pCfg)
		{
		Config_t *pReq;
		ConfigReply_t *pReply;
		ConfigExtendedPageHeader_t *pExtHdr = NULL;
		MPT_FRAME_HDR *mf;
		unsigned long flags;
		int ii, rc;
		int ii;
		int flagsLength;
		long timeout;
		int ret;
		u8 page_type = 0, extend_page;
		unsigned long timeleft;
		int in_isr;
		u8 issue_hard_reset = 0;
		u8 retry_count = 0;

		/* Prevent calling wait_event() (below), if caller happens
		* to be in ISR context, because that is fatal!
		@@ -6120,13 +6075,31 @@ mpt_config(MPT_ADAPTER ioc, CONFIGPARMS pCfg)
		return -EPERM;
		}

		/* don't send if no chance of success */
		if (!ioc->active \|\|
		mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) {
		dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"%s: ioc not operational, %d, %xh\n",
		ioc->name, __func__, ioc->active,
		mpt_GetIocState(ioc, 0)));
		return -EFAULT;
		}

		retry_config:
		mutex_lock(&ioc->mptbase_cmds.mutex);
		/* init the internal cmd struct */
		memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
		INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)

		/* Get and Populate a free Frame
		*/
		if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "mpt_config: no msg frames!\n",
		ioc->name));
		return -EAGAIN;
		dcprintk(ioc, printk(MYIOC_s_WARN_FMT
		"mpt_config: no msg frames!\n", ioc->name));
		ret = -EAGAIN;
		goto out;
		}

		pReq = (Config_t *)mf;
		pReq->Action = pCfg->action;
		pReq->Reserved = 0;
		@@ -6152,7 +6125,9 @@ mpt_config(MPT_ADAPTER ioc, CONFIGPARMS pCfg)
		pReq->ExtPageType = pExtHdr->ExtPageType;
		pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;

		/* Page Length must be treated as a reserved field for the extended header. */
		/* Page Length must be treated as a reserved field for the
		* extended header.
		*/
		pReq->Header.PageLength = 0;
		}

		@@ -6165,78 +6140,91 @@ mpt_config(MPT_ADAPTER ioc, CONFIGPARMS pCfg)
		else
		flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;

		if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
		if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
		MPI_CONFIG_PAGETYPE_EXTENDED) {
		flagsLength \|= pExtHdr->ExtPageLength * 4;

		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
		ioc->name, pReq->ExtPageType, pReq->Header.PageNumber, pReq->Action));
		}
		else {
		page_type = pReq->ExtPageType;
		extend_page = 1;
		} else {
		flagsLength \|= pCfg->cfghdr.hdr->PageLength * 4;

		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
		ioc->name, pReq->Header.PageType, pReq->Header.PageNumber, pReq->Action));
		page_type = pReq->Header.PageType;
		extend_page = 0;
		}

		ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);

		/* Append pCfg pointer to end of mf
		*/
		((void ) (((u8 ) mf) + (ioc->req_sz - sizeof(void )))) = (void ) pCfg;

		/* Initalize the timer
		*/
		init_timer_on_stack(&pCfg->timer);
		pCfg->timer.data = (unsigned long) ioc;
		pCfg->timer.function = mpt_timer_expired;
		pCfg->wait_done = 0;

		/* Set the timer; ensure 10 second minimum */
		if (pCfg->timeout < 10)
		pCfg->timer.expires = jiffies + HZ*10;
		else
		pCfg->timer.expires = jiffies + HZ*pCfg->timeout;

		/* Add to end of Q, set timer and then issue this command */
		spin_lock_irqsave(&ioc->FreeQlock, flags);
		list_add_tail(&pCfg->linkage, &ioc->configQ);
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"Sending Config request type 0x%x, page 0x%x and action %d\n",
		ioc->name, page_type, pReq->Header.PageNumber, pReq->Action));

		add_timer(&pCfg->timer);
		ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
		timeout = (pCfg->timeout < 15) ? HZ15 : HZpCfg->timeout;
		mpt_put_msg_frame(mpt_base_index, ioc, mf);
		wait_event(mpt_waitq, pCfg->wait_done);

		/* mf has been freed - do not access */
		timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done,
		timeout);
		if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
		ret = -ETIME;
		dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"Failed Sending Config request type 0x%x, page 0x%x,"
		" action %d, status %xh, time left %ld\n\n",
		ioc->name, page_type, pReq->Header.PageNumber,
		pReq->Action, ioc->mptbase_cmds.status, timeleft));
		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
		goto out;
		if (!timeleft)
		issue_hard_reset = 1;
		goto out;
		}

		rc = pCfg->status;
		if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
		ret = -1;
		goto out;
		}
		pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply;
		ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
		if (ret == MPI_IOCSTATUS_SUCCESS) {
		if (extend_page) {
		pCfg->cfghdr.ehdr->ExtPageLength =
		le16_to_cpu(pReply->ExtPageLength);
		pCfg->cfghdr.ehdr->ExtPageType =
		pReply->ExtPageType;
		}
		pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
		pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
		pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
		pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;

		return rc;
		}

		/=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=/
		/**
		* mpt_timer_expired - Callback for timer process.
		* Used only internal config functionality.
		* @data: Pointer to MPT_SCSI_HOST recast as an unsigned long
		*/
		static void
		mpt_timer_expired(unsigned long data)
		{
		MPT_ADAPTER ioc = (MPT_ADAPTER ) data;
		if (retry_count)
		printk(MYIOC_s_INFO_FMT "Retry completed "
		"ret=0x%x timeleft=%ld\n",
		ioc->name, ret, timeleft);

		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired! \n", ioc->name));
		dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n",
		ret, le32_to_cpu(pReply->IOCLogInfo)));

		/* Perform a FW reload */
		if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
		printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
		out:

		/* No more processing.
		* Hard reset clean-up will wake up
		* process and free all resources.
		*/
		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired complete!\n", ioc->name));
		CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
		mutex_unlock(&ioc->mptbase_cmds.mutex);
		if (issue_hard_reset) {
		issue_hard_reset = 0;
		printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
		ioc->name, __func__);
		mpt_HardResetHandler(ioc, CAN_SLEEP);
		mpt_free_msg_frame(ioc, mf);
		/* attempt one retry for a timed out command */
		if (!retry_count) {
		printk(MYIOC_s_INFO_FMT
		"Attempting Retry Config request"
		" type 0x%x, page 0x%x,"
		" action %d\n", ioc->name, page_type,
		pCfg->cfghdr.hdr->PageNumber, pCfg->action);
		retry_count++;
		goto retry_config;
		}
		}
		return ret;

		return;
		}

		/=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=/
		@@ -6250,41 +6238,27 @@ mpt_timer_expired(unsigned long data)
		static int
		mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
		{
		CONFIGPARMS *pCfg;
		unsigned long flags;

		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		": IOC %s_reset routed to MPT base driver!\n",
		ioc->name, 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) {
		/* If the internal config Q is not empty -
		* delete timer. MF resources will be freed when
		* the FIFO's are primed.
		*/
		spin_lock_irqsave(&ioc->FreeQlock, flags);
		list_for_each_entry(pCfg, &ioc->configQ, linkage)
		del_timer(&pCfg->timer);
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);

		} else {
		CONFIGPARMS *pNext;

		/* Search the configQ for internal commands.
		* Flush the Q, and wake up all suspended threads.
		*/
		spin_lock_irqsave(&ioc->FreeQlock, flags);
		list_for_each_entry_safe(pCfg, pNext, &ioc->configQ, linkage) {
		list_del(&pCfg->linkage);

		pCfg->status = MPT_CONFIG_ERROR;
		pCfg->wait_done = 1;
		wake_up(&mpt_waitq);
		switch (reset_phase) {
		case MPT_IOC_SETUP_RESET:
		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
		break;
		case MPT_IOC_PRE_RESET:
		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
		break;
		case MPT_IOC_POST_RESET:
		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
		/* wake up mptbase_cmds */
		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
		ioc->mptbase_cmds.status \|=
		MPT_MGMT_STATUS_DID_IOCRESET;
		complete(&ioc->mptbase_cmds.done);
		}
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
		break;
		default:
		break;
		}

		return 1; /* currently means nothing really */
		@@ -7901,7 +7875,7 @@ fusion_init(void)
		/* Register ourselves (mptbase) in order to facilitate
		* EventNotification handling.
		*/
		mpt_base_index = mpt_register(mpt_base_reply, MPTBASE_DRIVER);
		mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER);

		/* Register for hard reset handling callbacks.
		*/

drivers/message/fusion/mptbase.h

+20 −25

Original line number	Diff line number	Diff line
		@@ -432,14 +432,6 @@ do { \
		* IOCTL structure and associated defines
		*/

		#define MPT_IOCTL_STATUS_DID_IOCRESET 0x01 /* IOC Reset occurred on the current*/
		#define MPT_IOCTL_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
		#define MPT_IOCTL_STATUS_TIMER_ACTIVE 0x04 /* The timer is running */
		#define MPT_IOCTL_STATUS_SENSE_VALID 0x08 /* Sense data is valid */
		#define MPT_IOCTL_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
		#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20 /* The TM timer is running */
		#define MPT_IOCTL_STATUS_TM_FAILED 0x40 /* User TM request failed */

		#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */

		typedef struct _MPT_IOCTL {
		@@ -454,16 +446,27 @@ typedef struct _MPT_IOCTL {
		struct mutex ioctl_mutex;
		} MPT_IOCTL;

		#define MPT_SAS_MGMT_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
		#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
		#define MPT_SAS_MGMT_STATUS_TM_FAILED 0x40 /* User TM request failed */

		typedef struct _MPT_SAS_MGMT {
		#define MPT_MGMT_STATUS_RF_VALID 0x01 /* The Reply Frame is VALID */
		#define MPT_MGMT_STATUS_COMMAND_GOOD 0x02 /* Command Status GOOD */
		#define MPT_MGMT_STATUS_PENDING 0x04 /* command is pending */
		#define MPT_MGMT_STATUS_DID_IOCRESET 0x08 /* IOC Reset occurred
		on the current*/
		#define MPT_MGMT_STATUS_SENSE_VALID 0x10 /* valid sense info */
		#define MPT_MGMT_STATUS_TIMER_ACTIVE 0x20 /* obsolete */
		#define MPT_MGMT_STATUS_FREE_MF 0x40 /* free the mf from
		complete routine */

		#define INITIALIZE_MGMT_STATUS(status) \
		status = MPT_MGMT_STATUS_PENDING;
		#define CLEAR_MGMT_STATUS(status) \
		status = 0;

		typedef struct _MPT_MGMT {
		struct mutex mutex;
		struct completion done;
		u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
		u8 status; /* current command status */
		}MPT_SAS_MGMT;
		} MPT_MGMT;

		/*
		* Event Structure and define
		@@ -661,7 +664,6 @@ typedef struct _MPT_ADAPTER
		struct _mpt_ioctl_events events; / pointer to event log */
		u8 cached_fw; / Pointer to FW */
		dma_addr_t cached_fw_dma;
		struct list_head configQ; /* linked list of config. requests */
		int hs_reply_idx;
		#ifndef MFCNT
		u32 pad0;
		@@ -674,9 +676,6 @@ typedef struct _MPT_ADAPTER
		IOCFactsReply_t facts;
		PortFactsReply_t pfacts[2];
		FCPortPage0_t fc_port_page0[2];
		struct timer_list persist_timer; /* persist table timer */
		int persist_wait_done; /* persist completion flag */
		u8 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
		LANPage0_t lan_cnfg_page0;
		LANPage1_t lan_cnfg_page1;

		@@ -708,7 +707,8 @@ typedef struct _MPT_ADAPTER
		u8 sas_discovery_ignore_events;
		u8 sas_discovery_quiesce_io;
		int sas_index; /* index refrencing */
		MPT_SAS_MGMT sas_mgmt;
		MPT_MGMT sas_mgmt;
		MPT_MGMT mptbase_cmds; /* for sending config pages */
		struct work_struct sas_persist_task;

		struct work_struct fc_setup_reset_work;
		@@ -884,21 +884,16 @@ struct scsi_cmnd;
		* Generic structure passed to the base mpt_config function.
		*/
		typedef struct _x_config_parms {
		struct list_head linkage; /* linked list */
		struct timer_list timer; /* timer function for this request */
		union {
		ConfigExtendedPageHeader_t *ehdr;
		ConfigPageHeader_t *hdr;
		} cfghdr;
		dma_addr_t physAddr;
		int wait_done; /* wait for this request */
		u32 pageAddr; /* properly formatted */
		u16 status;
		u8 action;
		u8 dir;
		u8 timeout; /* seconds */
		u8 pad1;
		u16 status;
		u16 pad2;
		} CONFIGPARMS;

		/=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=/

drivers/message/fusion/mptctl.c

+16 −15

File changed.

Preview size limit exceeded, changes collapsed.

drivers/message/fusion/mptsas.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -1122,9 +1122,9 @@ static int mptsas_get_linkerrors(struct sas_phy *phy)
		static int mptsas_mgmt_done(MPT_ADAPTER ioc, MPT_FRAME_HDR req,
		MPT_FRAME_HDR *reply)
		{
		ioc->sas_mgmt.status \|= MPT_SAS_MGMT_STATUS_COMMAND_GOOD;
		ioc->sas_mgmt.status \|= MPT_MGMT_STATUS_COMMAND_GOOD;
		if (reply != NULL) {
		ioc->sas_mgmt.status \|= MPT_SAS_MGMT_STATUS_RF_VALID;
		ioc->sas_mgmt.status \|= MPT_MGMT_STATUS_RF_VALID;
		memcpy(ioc->sas_mgmt.reply, reply,
		min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
		}
		@@ -1182,7 +1182,7 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)

		/* a reply frame is expected */
		if ((ioc->sas_mgmt.status &
		MPT_IOCTL_STATUS_RF_VALID) == 0) {
		MPT_MGMT_STATUS_RF_VALID) == 0) {
		error = -ENXIO;
		goto out_unlock;
		}
		@@ -1359,7 +1359,7 @@ static int mptsas_smp_handler(struct Scsi_Host shost, struct sas_rphy rphy,
		}
		mf = NULL;

		if (ioc->sas_mgmt.status & MPT_IOCTL_STATUS_RF_VALID) {
		if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
		SmpPassthroughReply_t *smprep;

		smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;