diff options
Diffstat (limited to 'drivers/message/fusion/mptfc.c')
| -rw-r--r-- | drivers/message/fusion/mptfc.c | 400 |
1 files changed, 382 insertions, 18 deletions
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 856487741ef..3ff8378ea66 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -169,13 +169,6 @@ static struct fc_function_template mptfc_transport_functions = { }; -/* FIXME! values controlling firmware RESCAN event - * need to be set low to allow dev_loss_tmo to - * work as expected. Currently, firmware doesn't - * notify driver of RESCAN event until some number - * of seconds elapse. This value can be set via - * lsiutil. - */ static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) { @@ -312,10 +305,8 @@ mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, } out: - if (pp0_array) - kfree(pp0_array); - if (p0_array) - kfree(p0_array); + kfree(pp0_array); + kfree(p0_array); return rc; } @@ -587,15 +578,266 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) #ifdef DMPT_DEBUG_FC if (unlikely(err)) { dfcprintk ((MYIOC_s_INFO_FMT - "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero.\n", + "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero, (%x).\n", ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, - SCpnt->device->id,SCpnt->device->lun)); + SCpnt->device->id,SCpnt->device->lun,err)); } #endif 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(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 int +mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum) +{ + ConfigPageHeader_t hdr; + CONFIGPARMS cfg; + int rc; + + if (portnum > 1) + return -EINVAL; + + if (!(ioc->fc_data.fc_port_page1[portnum].data)) + return -EINVAL; + + /* get fcport page 1 header */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 1; + 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 -ENODEV; + + if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz) + return -EINVAL; + + cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; + cfg.dir = 1; + + rc = mpt_config(ioc, &cfg); + + return rc; +} + +static int +mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum) +{ + ConfigPageHeader_t hdr; + CONFIGPARMS cfg; + FCPortPage1_t *page1_alloc; + dma_addr_t page1_dma; + int data_sz; + int rc; + + if (portnum > 1) + return -EINVAL; + + /* get fcport page 1 header */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 1; + 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 -ENODEV; + +start_over: + + if (ioc->fc_data.fc_port_page1[portnum].data == NULL) { + data_sz = hdr.PageLength * 4; + if (data_sz < sizeof(FCPortPage1_t)) + data_sz = sizeof(FCPortPage1_t); + + page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev, + data_sz, + &page1_dma); + if (!page1_alloc) + return -ENOMEM; + } + else { + page1_alloc = ioc->fc_data.fc_port_page1[portnum].data; + page1_dma = ioc->fc_data.fc_port_page1[portnum].dma; + data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz; + if (hdr.PageLength * 4 > data_sz) { + ioc->fc_data.fc_port_page1[portnum].data = NULL; + pci_free_consistent(ioc->pcidev, data_sz, (u8 *) + page1_alloc, page1_dma); + goto start_over; + } + } + + memset(page1_alloc,0,data_sz); + + cfg.physAddr = page1_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if ((rc = mpt_config(ioc, &cfg)) == 0) { + ioc->fc_data.fc_port_page1[portnum].data = page1_alloc; + ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz; + ioc->fc_data.fc_port_page1[portnum].dma = page1_dma; + } + else { + ioc->fc_data.fc_port_page1[portnum].data = NULL; + pci_free_consistent(ioc->pcidev, data_sz, (u8 *) + page1_alloc, page1_dma); + } + + return rc; +} + +static void +mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc) +{ + int ii; + FCPortPage1_t *pp1; + + #define MPTFC_FW_DEVICE_TIMEOUT (1) + #define MPTFC_FW_IO_PEND_TIMEOUT (1) + #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY) + #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS) + + for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { + if (mptfc_GetFcPortPage1(ioc, ii) != 0) + continue; + pp1 = ioc->fc_data.fc_port_page1[ii].data; + if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT) + && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT) + && ((pp1->Flags & ON_FLAGS) == ON_FLAGS) + && ((pp1->Flags & OFF_FLAGS) == 0)) + continue; + pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT; + pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT; + pp1->Flags &= ~OFF_FLAGS; + pp1->Flags |= ON_FLAGS; + mptfc_WriteFcPortPage1(ioc, ii); + } +} + + static void mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) { @@ -629,6 +871,31 @@ mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) } static void +mptfc_setup_reset(void *arg) +{ + MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + u64 pn; + struct mptfc_rport_info *ri; + + /* reset about to happen, delete (block) all rports */ + list_for_each_entry(ri, &ioc->fc_rports, list) { + if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { + ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED; + fc_remote_port_delete(ri->rport); /* won't sleep */ + ri->rport = NULL; + + pn = (u64)ri->pg0.WWPN.High << 32 | + (u64)ri->pg0.WWPN.Low; + dfcprintk ((MYIOC_s_INFO_FMT + "mptfc_setup_reset.%d: %llx deleted\n", + ioc->name, + ioc->sh->host_no, + (unsigned long long)pn)); + } + } +} + +static void mptfc_rescan_devices(void *arg) { MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; @@ -651,7 +918,7 @@ 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); } @@ -753,7 +1020,9 @@ 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); + INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset, (void *)ioc); spin_lock_irqsave(&ioc->FreeQlock, flags); @@ -889,6 +1158,15 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) 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); + } + mptfc_SetFcPortPage1_defaults(ioc); + + /* * scan for rports - * by doing it via the workqueue, some locking is eliminated */ @@ -917,6 +1195,81 @@ 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) { + spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); + if (ioc->fc_rescan_work_q) { + queue_work(ioc->fc_rescan_work_q, + &ioc->fc_setup_reset_work); + } + spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); + } + + else if (reset_phase == MPT_IOC_PRE_RESET) { + } + + else { /* MPT_IOC_POST_RESET */ + mptfc_SetFcPortPage1_defaults(ioc); + 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 @@ -931,8 +1284,8 @@ mptfc_init(void) show_mptmod_ver(my_NAME, my_VERSION); - /* sanity check module parameter */ - if (mptfc_dev_loss_tmo == 0) + /* sanity check module parameters */ + if (mptfc_dev_loss_tmo <= 0) mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; mptfc_transport_template = @@ -945,12 +1298,12 @@ 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")); } @@ -975,6 +1328,7 @@ mptfc_remove(struct pci_dev *pdev) struct mptfc_rport_info *p, *n; struct workqueue_struct *work_q; unsigned long flags; + int ii; /* destroy workqueue */ if ((work_q=ioc->fc_rescan_work_q)) { @@ -991,6 +1345,16 @@ mptfc_remove(struct pci_dev *pdev) kfree(p); } + for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { + if (ioc->fc_data.fc_port_page1[ii].data) { + pci_free_consistent(ioc->pcidev, + ioc->fc_data.fc_port_page1[ii].pg_sz, + (u8 *) ioc->fc_data.fc_port_page1[ii].data, + ioc->fc_data.fc_port_page1[ii].dma); + ioc->fc_data.fc_port_page1[ii].data = NULL; + } + } + mptscsih_remove(pdev); } |