From 05e8ec17f4d11ba13795e878fc389cb04d1fdadd Mon Sep 17 00:00:00 2001 From: Michael Reed Date: Fri, 13 Jan 2006 14:31:54 -0600 Subject: [PATCH] [SCSI] mptfusion - fc transport attributes Signed-off-by: Michael Reed Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/message/fusion/mptbase.c | 33 +- drivers/message/fusion/mptbase.h | 28 +- drivers/message/fusion/mptfc.c | 551 +++++++++++++++++++++++++++++- drivers/message/fusion/mptscsih.c | 28 +- 4 files changed, 613 insertions(+), 27 deletions(-) diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 80ec89c505d2..8c26f093fb65 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -148,7 +148,6 @@ static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag); static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag); static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag); static int GetLanConfigPages(MPT_ADAPTER *ioc); -static int GetFcPortPage0(MPT_ADAPTER *ioc, int portnum); static int GetIoUnitPage2(MPT_ADAPTER *ioc); int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode); static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum); @@ -1244,6 +1243,8 @@ 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->fc_rport_lock); spin_lock_init(&ioc->initializing_hba_lock); /* Initialize the event logging. @@ -1267,6 +1268,10 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) */ INIT_LIST_HEAD(&ioc->configQ); + /* Initialize the fc rport list head. + */ + INIT_LIST_HEAD(&ioc->fc_rports); + /* Find lookup slot. */ INIT_LIST_HEAD(&ioc->list); ioc->id = mpt_ids++; @@ -1879,7 +1884,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) * (FCPortPage0_t stuff) */ for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { - (void) GetFcPortPage0(ioc, ii); + (void) mptbase_GetFcPortPage0(ioc, ii); } if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) && @@ -4198,7 +4203,7 @@ GetLanConfigPages(MPT_ADAPTER *ioc) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* - * GetFcPortPage0 - Fetch FCPort config Page0. + * mptbase_GetFcPortPage0 - Fetch FCPort config Page0. * @ioc: Pointer to MPT_ADAPTER structure * @portnum: IOC Port number * @@ -4208,8 +4213,8 @@ GetLanConfigPages(MPT_ADAPTER *ioc) * -EAGAIN if no msg frames currently available * -EFAULT for non-successful reply or no reply (timeout) */ -static int -GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) +int +mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) { ConfigPageHeader_t hdr; CONFIGPARMS cfg; @@ -4219,6 +4224,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) int data_sz; int copy_sz; int rc; + int count = 400; + /* Get FCPort Page 0 header */ hdr.PageVersion = 0; @@ -4242,6 +4249,8 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) 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; @@ -4273,6 +4282,19 @@ GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) 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); @@ -6357,6 +6379,7 @@ EXPORT_SYMBOL(mpt_alloc_fw_memory); EXPORT_SYMBOL(mpt_free_fw_memory); EXPORT_SYMBOL(mptbase_sas_persist_operation); EXPORT_SYMBOL(mpt_alt_ioc_wait); +EXPORT_SYMBOL(mptbase_GetFcPortPage0); /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index 74355f2eca00..25f44064b96c 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -76,8 +76,8 @@ #define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR #endif -#define MPT_LINUX_VERSION_COMMON "3.03.05" -#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.05" +#define MPT_LINUX_VERSION_COMMON "3.03.06" +#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.06" #define WHAT_MAGIC_STRING "@" "(" "#" ")" #define show_mptmod_ver(s,ver) \ @@ -499,6 +499,22 @@ typedef struct _RaidCfgData { int isRaid; /* bit field, 1 if RAID */ }RaidCfgData; +#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */ +#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */ +#define MPT_RPORT_INFO_FLAGS_MAPPED_VDEV 0x04 /* target mapped in vdev */ + +/* + * data allocated for each fc rport device + */ +struct mptfc_rport_info +{ + struct list_head list; + struct fc_rport *rport; + VirtDevice *vdev; + FCDevicePage0_t pg0; + u8 flags; +}; + /* * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS */ @@ -614,6 +630,13 @@ typedef struct _MPT_ADAPTER struct list_head sas_topology; struct mutex sas_topology_mutex; MPT_SAS_MGMT sas_mgmt; + + struct list_head fc_rports; + spinlock_t fc_rport_lock; /* list and ri flags */ + spinlock_t fc_rescan_work_lock; + int fc_rescan_work_count; + struct work_struct fc_rescan_work; + } MPT_ADAPTER; /* @@ -1000,6 +1023,7 @@ extern void mpt_free_fw_memory(MPT_ADAPTER *ioc); extern int mpt_findImVolumes(MPT_ADAPTER *ioc); extern int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc); extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode); +extern int mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum); extern int mpt_alt_ioc_wait(MPT_ADAPTER *ioc); /* diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 5083a556a258..a380fe105a22 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -55,12 +55,14 @@ #include /* notifier code */ #include #include +#include #include #include #include #include #include +#include #include "mptbase.h" #include "mptscsih.h" @@ -79,19 +81,34 @@ static int mpt_pq_filter = 0; module_param(mpt_pq_filter, int, 0); MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1 (default=0)"); +#define MPTFC_DEV_LOSS_TMO (60) +static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */ +module_param(mptfc_dev_loss_tmo, int, 0); +MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the " + " transport to wait for an rport to " + " return following a device loss event." + " Default=60."); + static int mptfcDoneCtx = -1; static int mptfcTaskCtx = -1; static int mptfcInternalCtx = -1; /* Used only for internal commands */ +int mptfc_slave_alloc(struct scsi_device *device); +static int mptfc_qcmd(struct scsi_cmnd *SCpnt, + void (*done)(struct scsi_cmnd *)); + +static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); +static void __devexit mptfc_remove(struct pci_dev *pdev); + static struct scsi_host_template mptfc_driver_template = { .module = THIS_MODULE, .proc_name = "mptfc", .proc_info = mptscsih_proc_info, .name = "MPT FC Host", .info = mptscsih_info, - .queuecommand = mptscsih_qcmd, + .queuecommand = mptfc_qcmd, .target_alloc = mptscsih_target_alloc, - .slave_alloc = mptscsih_slave_alloc, + .slave_alloc = mptfc_slave_alloc, .slave_configure = mptscsih_slave_configure, .target_destroy = mptscsih_target_destroy, .slave_destroy = mptscsih_slave_destroy, @@ -132,15 +149,472 @@ static struct pci_device_id mptfc_pci_table[] = { }; MODULE_DEVICE_TABLE(pci, mptfc_pci_table); -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +static struct scsi_transport_template *mptfc_transport_template = NULL; + +struct fc_function_template mptfc_transport_functions = { + .dd_fcrport_size = 8, + .show_host_node_name = 1, + .show_host_port_name = 1, + .show_host_supported_classes = 1, + .show_host_port_id = 1, + .show_rport_supported_classes = 1, + .show_starget_node_name = 1, + .show_starget_port_name = 1, + .show_starget_port_id = 1, + .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo, + .show_rport_dev_loss_tmo = 1, + +}; + +/* 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) +{ + if (timeout > 0) + rport->dev_loss_tmo = timeout; + else + rport->dev_loss_tmo = mptfc_dev_loss_tmo; +} + +static int +mptfc_FcDevPage0_cmp_func(const void *a, const void *b) +{ + FCDevicePage0_t **aa = (FCDevicePage0_t **)a; + FCDevicePage0_t **bb = (FCDevicePage0_t **)b; + + if ((*aa)->CurrentBus == (*bb)->CurrentBus) { + if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) + return 0; + if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) + return -1; + return 1; + } + if ((*aa)->CurrentBus < (*bb)->CurrentBus) + return -1; + return 1; +} + +static int +mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, + void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) +{ + ConfigPageHeader_t hdr; + CONFIGPARMS cfg; + FCDevicePage0_t *ppage0_alloc, *fc; + dma_addr_t page0_dma; + int data_sz; + int ii; + + FCDevicePage0_t *p0_array=NULL, *p_p0; + FCDevicePage0_t **pp0_array=NULL, **p_pp0; + + int rc = -ENOMEM; + U32 port_id = 0xffffff; + int num_targ = 0; + int max_bus = ioc->facts.MaxBuses; + int max_targ = ioc->facts.MaxDevices; + + if (max_bus == 0 || max_targ == 0) + goto out; + + data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; + p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL); + if (!p0_array) + goto out; + + data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; + p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL); + if (!pp0_array) + goto out; + + do { + /* Get FC Device Page 0 header */ + hdr.PageVersion = 0; + hdr.PageLength = 0; + hdr.PageNumber = 0; + hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = -1; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + cfg.dir = 0; + cfg.pageAddr = port_id; + cfg.timeout = 0; + + if ((rc = mpt_config(ioc, &cfg)) != 0) + break; + + if (hdr.PageLength <= 0) + break; + + data_sz = hdr.PageLength * 4; + ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, + &page0_dma); + rc = -ENOMEM; + if (!ppage0_alloc) + break; + + cfg.physAddr = page0_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if ((rc = mpt_config(ioc, &cfg)) == 0) { + ppage0_alloc->PortIdentifier = + le32_to_cpu(ppage0_alloc->PortIdentifier); + + ppage0_alloc->WWNN.Low = + le32_to_cpu(ppage0_alloc->WWNN.Low); + + ppage0_alloc->WWNN.High = + le32_to_cpu(ppage0_alloc->WWNN.High); + + ppage0_alloc->WWPN.Low = + le32_to_cpu(ppage0_alloc->WWPN.Low); + + ppage0_alloc->WWPN.High = + le32_to_cpu(ppage0_alloc->WWPN.High); + + ppage0_alloc->BBCredit = + le16_to_cpu(ppage0_alloc->BBCredit); + + ppage0_alloc->MaxRxFrameSize = + le16_to_cpu(ppage0_alloc->MaxRxFrameSize); + + port_id = ppage0_alloc->PortIdentifier; + num_targ++; + *p_p0 = *ppage0_alloc; /* save data */ + *p_pp0++ = p_p0++; /* save addr */ + } + pci_free_consistent(ioc->pcidev, data_sz, + (u8 *) ppage0_alloc, page0_dma); + if (rc != 0) + break; + + } while (port_id <= 0xff0000); + + if (num_targ) { + /* sort array */ + if (num_targ > 1) + sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *), + mptfc_FcDevPage0_cmp_func, NULL); + /* call caller's func for each targ */ + for (ii = 0; ii < num_targ; ii++) { + fc = *(pp0_array+ii); + func(ioc, ioc_port, fc); + } + } + + out: + if (pp0_array) + kfree(pp0_array); + if (p0_array) + kfree(p0_array); + return rc; +} + +static int +mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) +{ + /* not currently usable */ + if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | + MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) + return -1; + + if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) + return -1; + + if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) + return -1; + + /* + * board data structure already normalized to platform endianness + * shifted to avoid unaligned access on 64 bit architecture + */ + rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; + rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; + rid->port_id = pg0->PortIdentifier; + rid->roles = FC_RPORT_ROLE_UNKNOWN; + rid->roles |= FC_RPORT_ROLE_FCP_TARGET; + if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) + rid->roles |= FC_RPORT_ROLE_FCP_INITIATOR; + + return 0; +} + +static void +mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) +{ + struct fc_rport_identifiers rport_ids; + struct fc_rport *rport; + struct mptfc_rport_info *ri; + int match = 0; + u64 port_name; + unsigned long flags; + + if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) + return; + + /* scan list looking for a match */ + spin_lock_irqsave(&ioc->fc_rport_lock, flags); + list_for_each_entry(ri, &ioc->fc_rports, list) { + port_name = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; + if (port_name == rport_ids.port_name) { /* match */ + list_move_tail(&ri->list, &ioc->fc_rports); + match = 1; + break; + } + } + if (!match) { /* allocate one */ + spin_unlock_irqrestore(&ioc->fc_rport_lock, flags); + ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); + if (!ri) + return; + spin_lock_irqsave(&ioc->fc_rport_lock, flags); + list_add_tail(&ri->list, &ioc->fc_rports); + } + + ri->pg0 = *pg0; /* add/update pg0 data */ + ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; + + if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { + ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; + spin_unlock_irqrestore(&ioc->fc_rport_lock, flags); + rport = fc_remote_port_add(ioc->sh,channel, &rport_ids); + spin_lock_irqsave(&ioc->fc_rport_lock, flags); + if (rport) { + if (*((struct mptfc_rport_info **)rport->dd_data) != ri) { + ri->flags &= ~MPT_RPORT_INFO_FLAGS_MAPPED_VDEV; + ri->vdev = NULL; + ri->rport = rport; + *((struct mptfc_rport_info **)rport->dd_data) = ri; + } + rport->dev_loss_tmo = mptfc_dev_loss_tmo; + /* + * if already mapped, remap here. If not mapped, + * slave_alloc will allocate vdev and map + */ + if (ri->flags & MPT_RPORT_INFO_FLAGS_MAPPED_VDEV) { + ri->vdev->target_id = ri->pg0.CurrentTargetID; + ri->vdev->bus_id = ri->pg0.CurrentBus; + ri->vdev->vtarget->target_id = ri->vdev->target_id; + ri->vdev->vtarget->bus_id = ri->vdev->bus_id; + } + #ifdef MPT_DEBUG + printk ("mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " + "rport tid %d, tmo %d\n", + ioc->sh->host_no, + pg0->PortIdentifier, + pg0->WWNN, + pg0->WWPN, + pg0->CurrentTargetID, + ri->rport->scsi_target_id, + ri->rport->dev_loss_tmo); + #endif + } else { + list_del(&ri->list); + kfree(ri); + ri = NULL; + } + } + spin_unlock_irqrestore(&ioc->fc_rport_lock,flags); + +} + /* - * mptfc_probe - Installs scsi devices per bus. - * @pdev: Pointer to pci_dev structure - * - * Returns 0 for success, non-zero for failure. - * + * OS entry point to allow host driver to alloc memory + * for each scsi device. Called once per device the bus scan. + * Return non-zero if allocation fails. + * Init memory once per LUN. */ +int +mptfc_slave_alloc(struct scsi_device *sdev) +{ + MPT_SCSI_HOST *hd; + VirtTarget *vtarget; + VirtDevice *vdev; + struct scsi_target *starget; + struct fc_rport *rport; + struct mptfc_rport_info *ri; + unsigned long flags; + + + rport = starget_to_rport(scsi_target(sdev)); + + if (!rport || fc_remote_port_chkready(rport)) + return -ENXIO; + + hd = (MPT_SCSI_HOST *)sdev->host->hostdata; + + vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL); + if (!vdev) { + printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", + hd->ioc->name, sizeof(VirtDevice)); + return -ENOMEM; + } + memset(vdev, 0, sizeof(VirtDevice)); + + spin_lock_irqsave(&hd->ioc->fc_rport_lock,flags); + + if (!(ri = *((struct mptfc_rport_info **)rport->dd_data))) { + spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags); + kfree(vdev); + return -ENODEV; + } + + sdev->hostdata = vdev; + starget = scsi_target(sdev); + vtarget = starget->hostdata; + if (vtarget->num_luns == 0) { + vtarget->tflags = MPT_TARGET_FLAGS_Q_YES | + MPT_TARGET_FLAGS_VALID_INQUIRY; + hd->Targets[sdev->id] = vtarget; + } + + vtarget->target_id = vdev->target_id; + vtarget->bus_id = vdev->bus_id; + + vdev->vtarget = vtarget; + vdev->ioc_id = hd->ioc->id; + vdev->lun = sdev->lun; + vdev->target_id = ri->pg0.CurrentTargetID; + vdev->bus_id = ri->pg0.CurrentBus; + + ri->flags |= MPT_RPORT_INFO_FLAGS_MAPPED_VDEV; + ri->vdev = vdev; + + spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags); + + vtarget->num_luns++; + +#ifdef MPT_DEBUG + printk ("mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " + "CurrentTargetID %d, %x %llx %llx\n", + sdev->host->host_no, + vtarget->num_luns, + sdev->id, ri->pg0.CurrentTargetID, + ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN); +#endif + + return 0; +} + +static int +mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +{ + struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); + int err; + + err = fc_remote_port_chkready(rport); + if (unlikely(err)) { + SCpnt->result = err; + done(SCpnt); + return 0; + } + return mptscsih_qcmd(SCpnt,done); +} + +static void +mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) +{ + unsigned class = 0, cos = 0; + + /* don't know what to do as only one scsi (fc) host was allocated */ + if (portnum != 0) + return; + + class = ioc->fc_port_page0[portnum].SupportedServiceClass; + if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) + cos |= FC_COS_CLASS1; + if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) + cos |= FC_COS_CLASS2; + if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) + cos |= FC_COS_CLASS3; + + fc_host_node_name(ioc->sh) = + (u64)ioc->fc_port_page0[portnum].WWNN.High << 32 + | (u64)ioc->fc_port_page0[portnum].WWNN.Low; + + fc_host_port_name(ioc->sh) = + (u64)ioc->fc_port_page0[portnum].WWPN.High << 32 + | (u64)ioc->fc_port_page0[portnum].WWPN.Low; + + fc_host_port_id(ioc->sh) = ioc->fc_port_page0[portnum].PortIdentifier; + + fc_host_supported_classes(ioc->sh) = cos; + + fc_host_tgtid_bind_type(ioc->sh) = FC_TGTID_BIND_BY_WWPN; +} + +static void +mptfc_rescan_devices(void *arg) +{ + MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + int ii; + int work_to_do; + unsigned long flags; + struct mptfc_rport_info *ri; + + do { + /* start by tagging all ports as missing */ + spin_lock_irqsave(&ioc->fc_rport_lock,flags); + list_for_each_entry(ri, &ioc->fc_rports, list) { + if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { + ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; + } + } + spin_unlock_irqrestore(&ioc->fc_rport_lock,flags); + + /* + * now rescan devices known to adapter, + * will reregister existing rports + */ + for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { + (void) mptbase_GetFcPortPage0(ioc, ii); + mptfc_init_host_attr(ioc,ii); /* refresh */ + mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev); + } + + /* delete devices still missing */ + spin_lock_irqsave(&ioc->fc_rport_lock, flags); + list_for_each_entry(ri, &ioc->fc_rports, list) { + /* if newly missing, delete it */ + if ((ri->flags & (MPT_RPORT_INFO_FLAGS_REGISTERED | + MPT_RPORT_INFO_FLAGS_MISSING)) + == (MPT_RPORT_INFO_FLAGS_REGISTERED | + MPT_RPORT_INFO_FLAGS_MISSING)) { + + ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| + MPT_RPORT_INFO_FLAGS_MISSING); + fc_remote_port_delete(ri->rport); + /* + * remote port not really deleted 'cause + * binding is by WWPN and driver only + * registers FCP_TARGETs + */ + #ifdef MPT_DEBUG + printk ("mptfc_rescan.%d: %llx deleted\n", + ioc->sh->host_no, ri->pg0.WWPN); + #endif + } + } + spin_unlock_irqrestore(&ioc->fc_rport_lock,flags); + + /* + * allow multiple passes as target state + * might have changed during scan + */ + spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); + if (ioc->fc_rescan_work_count > 2) /* only need one more */ + ioc->fc_rescan_work_count = 2; + work_to_do = --ioc->fc_rescan_work_count; + spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); + } while (work_to_do); +} + static int mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -154,10 +628,10 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) int ioc_cap; int error=0; int r; - + if ((r = mpt_attach(pdev,id)) != 0) return r; - + ioc = pci_get_drvdata(pdev); ioc->DoneCtx = mptfcDoneCtx; ioc->TaskCtx = mptfcTaskCtx; @@ -193,7 +667,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) printk(MYIOC_s_WARN_FMT "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", ioc->name, ioc); - return 0; + return -ENODEV; } sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); @@ -206,6 +680,8 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_mptfc_probe; } + INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc); + spin_lock_irqsave(&ioc->FreeQlock, flags); /* Attach the SCSI Host to the IOC structure @@ -322,6 +798,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) hd->scandv_wait_done = 0; hd->last_queue_full = 0; + sh->transportt = mptfc_transport_template; error = scsi_add_host (sh, &ioc->pcidev->dev); if(error) { dprintk((KERN_ERR MYNAM @@ -329,7 +806,11 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_mptfc_probe; } - scsi_scan_host(sh); + for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { + mptfc_init_host_attr(ioc,ii); + mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev); + } + return 0; out_mptfc_probe: @@ -342,7 +823,7 @@ static struct pci_driver mptfc_driver = { .name = "mptfc", .id_table = mptfc_pci_table, .probe = mptfc_probe, - .remove = __devexit_p(mptscsih_remove), + .remove = __devexit_p(mptfc_remove), .shutdown = mptscsih_shutdown, #ifdef CONFIG_PM .suspend = mptscsih_suspend, @@ -360,9 +841,20 @@ static struct pci_driver mptfc_driver = { static int __init mptfc_init(void) { + int error; show_mptmod_ver(my_NAME, my_VERSION); + /* sanity check module parameter */ + if (mptfc_dev_loss_tmo == 0) + mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; + + mptfc_transport_template = + fc_attach_transport(&mptfc_transport_functions); + + if (!mptfc_transport_template) + return -ENODEV; + mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER); mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER); mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER); @@ -377,7 +869,33 @@ mptfc_init(void) ": Registered for IOC reset notifications\n")); } - return pci_register_driver(&mptfc_driver); + error = pci_register_driver(&mptfc_driver); + if (error) { + fc_release_transport(mptfc_transport_template); + } + + return error; +} + +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ +/** + * mptfc_remove - Removed fc infrastructure for devices + * @pdev: Pointer to pci_dev structure + * + */ +static void __devexit mptfc_remove(struct pci_dev *pdev) +{ + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + struct mptfc_rport_info *p, *n; + + fc_remove_host(ioc->sh); + + list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { + list_del(&p->list); + kfree(p); + } + + mptscsih_remove(pdev); } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ @@ -390,7 +908,8 @@ static void __exit mptfc_exit(void) { pci_unregister_driver(&mptfc_driver); - + fc_release_transport(mptfc_transport_template); + mpt_reset_deregister(mptfcDoneCtx); dprintk((KERN_INFO MYNAM ": Deregistered for IOC reset notifications\n")); diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 525d9aea2012..cdac5578fdf2 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -893,6 +893,7 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) * when a lun is disable by mid-layer. * Do NOT access the referenced scsi_cmnd structure or * members. Will cause either a paging or NULL ptr error. + * (BUT, BUT, BUT, the code does reference it! - mdr) * @hd: Pointer to a SCSI HOST structure * @vdevice: per device private data * @@ -2557,13 +2558,25 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) hd->cmdPtr = NULL; } - /* 7. Set flag to force DV and re-read IOC Page 3 + /* 7. SPI: Set flag to force DV and re-read IOC Page 3 */ if (ioc->bus_type == SPI) { ioc->spi_data.forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3; ddvtprintk(("Set reload IOC Pg3 Flag\n")); } + /* 7. FC: Rescan for blocked rports which might have returned. + */ + else if (ioc->bus_type == FC) { + int work_count; + unsigned long flags; + + spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); + work_count = ++ioc->fc_rescan_work_count; + spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); + if (work_count == 1) + schedule_work(&ioc->fc_rescan_work); + } dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name)); } @@ -2587,6 +2600,8 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) { MPT_SCSI_HOST *hd; u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; + int work_count; + unsigned long flags; devtprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", ioc->name, event)); @@ -2608,11 +2623,18 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) /* FIXME! */ break; + case MPI_EVENT_RESCAN: /* 06 */ + spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); + work_count = ++ioc->fc_rescan_work_count; + spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); + if (work_count == 1) + schedule_work(&ioc->fc_rescan_work); + break; + /* * CHECKME! Don't think we need to do * anything for these, but... */ - case MPI_EVENT_RESCAN: /* 06 */ case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */ case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */ /* @@ -3950,8 +3972,6 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) mptscsih_do_cmd(hd, &iocmd); } -/* Search IOC page 3 to determine if this is hidden physical disk - */ /* Search IOC page 3 to determine if this is hidden physical disk */ static int -- 2.20.1