diff options
Diffstat (limited to 'drivers/message/fusion/mptfc.c')
-rw-r--r-- | drivers/message/fusion/mptfc.c | 187 |
1 files changed, 184 insertions, 3 deletions
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 856487741ef4..e518bc97f8ce 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c | |||
@@ -596,6 +596,110 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | |||
596 | return err; | 596 | return err; |
597 | } | 597 | } |
598 | 598 | ||
599 | /* | ||
600 | * mptfc_GetFcPortPage0 - Fetch FCPort config Page0. | ||
601 | * @ioc: Pointer to MPT_ADAPTER structure | ||
602 | * @portnum: IOC Port number | ||
603 | * | ||
604 | * Return: 0 for success | ||
605 | * -ENOMEM if no memory available | ||
606 | * -EPERM if not allowed due to ISR context | ||
607 | * -EAGAIN if no msg frames currently available | ||
608 | * -EFAULT for non-successful reply or no reply (timeout) | ||
609 | * -EINVAL portnum arg out of range (hardwired to two elements) | ||
610 | */ | ||
611 | static int | ||
612 | mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) | ||
613 | { | ||
614 | ConfigPageHeader_t hdr; | ||
615 | CONFIGPARMS cfg; | ||
616 | FCPortPage0_t *ppage0_alloc; | ||
617 | FCPortPage0_t *pp0dest; | ||
618 | dma_addr_t page0_dma; | ||
619 | int data_sz; | ||
620 | int copy_sz; | ||
621 | int rc; | ||
622 | int count = 400; | ||
623 | |||
624 | if (portnum > 1) | ||
625 | return -EINVAL; | ||
626 | |||
627 | /* Get FCPort Page 0 header */ | ||
628 | hdr.PageVersion = 0; | ||
629 | hdr.PageLength = 0; | ||
630 | hdr.PageNumber = 0; | ||
631 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | ||
632 | cfg.cfghdr.hdr = &hdr; | ||
633 | cfg.physAddr = -1; | ||
634 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | ||
635 | cfg.dir = 0; | ||
636 | cfg.pageAddr = portnum; | ||
637 | cfg.timeout = 0; | ||
638 | |||
639 | if ((rc = mpt_config(ioc, &cfg)) != 0) | ||
640 | return rc; | ||
641 | |||
642 | if (hdr.PageLength == 0) | ||
643 | return 0; | ||
644 | |||
645 | data_sz = hdr.PageLength * 4; | ||
646 | rc = -ENOMEM; | ||
647 | ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma); | ||
648 | if (ppage0_alloc) { | ||
649 | |||
650 | try_again: | ||
651 | memset((u8 *)ppage0_alloc, 0, data_sz); | ||
652 | cfg.physAddr = page0_dma; | ||
653 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | ||
654 | |||
655 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | ||
656 | /* save the data */ | ||
657 | pp0dest = &ioc->fc_port_page0[portnum]; | ||
658 | copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz); | ||
659 | memcpy(pp0dest, ppage0_alloc, copy_sz); | ||
660 | |||
661 | /* | ||
662 | * Normalize endianness of structure data, | ||
663 | * by byte-swapping all > 1 byte fields! | ||
664 | */ | ||
665 | pp0dest->Flags = le32_to_cpu(pp0dest->Flags); | ||
666 | pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier); | ||
667 | pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low); | ||
668 | pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High); | ||
669 | pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low); | ||
670 | pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High); | ||
671 | pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass); | ||
672 | pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds); | ||
673 | pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed); | ||
674 | pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize); | ||
675 | pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low); | ||
676 | pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High); | ||
677 | pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low); | ||
678 | pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High); | ||
679 | pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount); | ||
680 | pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators); | ||
681 | |||
682 | /* | ||
683 | * if still doing discovery, | ||
684 | * hang loose a while until finished | ||
685 | */ | ||
686 | if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) { | ||
687 | if (count-- > 0) { | ||
688 | msleep_interruptible(100); | ||
689 | goto try_again; | ||
690 | } | ||
691 | printk(MYIOC_s_INFO_FMT "Firmware discovery not" | ||
692 | " complete.\n", | ||
693 | ioc->name); | ||
694 | } | ||
695 | } | ||
696 | |||
697 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma); | ||
698 | } | ||
699 | |||
700 | return rc; | ||
701 | } | ||
702 | |||
599 | static void | 703 | static void |
600 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) | 704 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) |
601 | { | 705 | { |
@@ -651,7 +755,7 @@ mptfc_rescan_devices(void *arg) | |||
651 | * will reregister existing rports | 755 | * will reregister existing rports |
652 | */ | 756 | */ |
653 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | 757 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { |
654 | (void) mptbase_GetFcPortPage0(ioc, ii); | 758 | (void) mptfc_GetFcPortPage0(ioc, ii); |
655 | mptfc_init_host_attr(ioc,ii); /* refresh */ | 759 | mptfc_init_host_attr(ioc,ii); /* refresh */ |
656 | mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev); | 760 | mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev); |
657 | } | 761 | } |
@@ -753,6 +857,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |||
753 | goto out_mptfc_probe; | 857 | goto out_mptfc_probe; |
754 | } | 858 | } |
755 | 859 | ||
860 | spin_lock_init(&ioc->fc_rescan_work_lock); | ||
756 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc); | 861 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc); |
757 | 862 | ||
758 | spin_lock_irqsave(&ioc->FreeQlock, flags); | 863 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
@@ -889,6 +994,14 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |||
889 | goto out_mptfc_probe; | 994 | goto out_mptfc_probe; |
890 | 995 | ||
891 | /* | 996 | /* |
997 | * Pre-fetch FC port WWN and stuff... | ||
998 | * (FCPortPage0_t stuff) | ||
999 | */ | ||
1000 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | ||
1001 | (void) mptfc_GetFcPortPage0(ioc, ii); | ||
1002 | } | ||
1003 | |||
1004 | /* | ||
892 | * scan for rports - | 1005 | * scan for rports - |
893 | * by doing it via the workqueue, some locking is eliminated | 1006 | * by doing it via the workqueue, some locking is eliminated |
894 | */ | 1007 | */ |
@@ -917,6 +1030,74 @@ static struct pci_driver mptfc_driver = { | |||
917 | #endif | 1030 | #endif |
918 | }; | 1031 | }; |
919 | 1032 | ||
1033 | static int | ||
1034 | mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | ||
1035 | { | ||
1036 | MPT_SCSI_HOST *hd; | ||
1037 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | ||
1038 | unsigned long flags; | ||
1039 | int rc=1; | ||
1040 | |||
1041 | devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", | ||
1042 | ioc->name, event)); | ||
1043 | |||
1044 | if (ioc->sh == NULL || | ||
1045 | ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) | ||
1046 | return 1; | ||
1047 | |||
1048 | switch (event) { | ||
1049 | case MPI_EVENT_RESCAN: | ||
1050 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | ||
1051 | if (ioc->fc_rescan_work_q) { | ||
1052 | if (ioc->fc_rescan_work_count++ == 0) { | ||
1053 | queue_work(ioc->fc_rescan_work_q, | ||
1054 | &ioc->fc_rescan_work); | ||
1055 | } | ||
1056 | } | ||
1057 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | ||
1058 | break; | ||
1059 | default: | ||
1060 | rc = mptscsih_event_process(ioc,pEvReply); | ||
1061 | break; | ||
1062 | } | ||
1063 | return rc; | ||
1064 | } | ||
1065 | |||
1066 | static int | ||
1067 | mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | ||
1068 | { | ||
1069 | int rc; | ||
1070 | unsigned long flags; | ||
1071 | |||
1072 | rc = mptscsih_ioc_reset(ioc,reset_phase); | ||
1073 | if (rc == 0) | ||
1074 | return rc; | ||
1075 | |||
1076 | |||
1077 | dtmprintk((KERN_WARNING MYNAM | ||
1078 | ": IOC %s_reset routed to FC host driver!\n", | ||
1079 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( | ||
1080 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); | ||
1081 | |||
1082 | if (reset_phase == MPT_IOC_SETUP_RESET) { | ||
1083 | } | ||
1084 | |||
1085 | else if (reset_phase == MPT_IOC_PRE_RESET) { | ||
1086 | } | ||
1087 | |||
1088 | else { /* MPT_IOC_POST_RESET */ | ||
1089 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | ||
1090 | if (ioc->fc_rescan_work_q) { | ||
1091 | if (ioc->fc_rescan_work_count++ == 0) { | ||
1092 | queue_work(ioc->fc_rescan_work_q, | ||
1093 | &ioc->fc_rescan_work); | ||
1094 | } | ||
1095 | } | ||
1096 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | ||
1097 | } | ||
1098 | return 1; | ||
1099 | } | ||
1100 | |||
920 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | 1101 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
921 | /** | 1102 | /** |
922 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with | 1103 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with |
@@ -945,12 +1126,12 @@ mptfc_init(void) | |||
945 | mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER); | 1126 | mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER); |
946 | mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER); | 1127 | mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER); |
947 | 1128 | ||
948 | if (mpt_event_register(mptfcDoneCtx, mptscsih_event_process) == 0) { | 1129 | if (mpt_event_register(mptfcDoneCtx, mptfc_event_process) == 0) { |
949 | devtverboseprintk((KERN_INFO MYNAM | 1130 | devtverboseprintk((KERN_INFO MYNAM |
950 | ": Registered for IOC event notifications\n")); | 1131 | ": Registered for IOC event notifications\n")); |
951 | } | 1132 | } |
952 | 1133 | ||
953 | if (mpt_reset_register(mptfcDoneCtx, mptscsih_ioc_reset) == 0) { | 1134 | if (mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset) == 0) { |
954 | dprintk((KERN_INFO MYNAM | 1135 | dprintk((KERN_INFO MYNAM |
955 | ": Registered for IOC reset notifications\n")); | 1136 | ": Registered for IOC reset notifications\n")); |
956 | } | 1137 | } |