X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmessage%2Ffusion%2Fmptspi.c;fp=drivers%2Fmessage%2Ffusion%2Fmptspi.c;h=203c661d2c79c782324b849fa57589289da95e09;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=f148dfa39117edb097bb5f481dcb9c8bad05bd60;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index f148dfa39..203c661d2 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -3,7 +3,7 @@ * For use with LSI Logic PCI chip/adapter(s) * running LSI Logic Fusion MPT (Message Passing Technology) firmware. * - * Copyright (c) 1999-2005 LSI Logic Corporation + * Copyright (c) 1999-2007 LSI Logic Corporation * (mailto:mpt_linux_developer@lsil.com) * */ @@ -56,12 +56,15 @@ #include /* notifier code */ #include #include +#include #include #include #include #include #include +#include +#include #include "mptbase.h" #include "mptscsih.h" @@ -74,34 +77,315 @@ MODULE_AUTHOR(MODULEAUTHOR); MODULE_DESCRIPTION(my_NAME); MODULE_LICENSE("GPL"); +MODULE_VERSION(my_VERSION); /* Command line args */ -#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION -static int mpt_dv = MPTSCSIH_DOMAIN_VALIDATION; -module_param(mpt_dv, int, 0); -MODULE_PARM_DESC(mpt_dv, " DV Algorithm: enhanced=1, basic=0 (default=MPTSCSIH_DOMAIN_VALIDATION=1)"); - -static int mpt_width = MPTSCSIH_MAX_WIDTH; -module_param(mpt_width, int, 0); -MODULE_PARM_DESC(mpt_width, " Max Bus Width: wide=1, narrow=0 (default=MPTSCSIH_MAX_WIDTH=1)"); - -static ushort mpt_factor = MPTSCSIH_MIN_SYNC; -module_param(mpt_factor, ushort, 0); -MODULE_PARM_DESC(mpt_factor, " Min Sync Factor (default=MPTSCSIH_MIN_SYNC=0x08)"); -#endif - static int mpt_saf_te = MPTSCSIH_SAF_TE; module_param(mpt_saf_te, int, 0); MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)"); -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)"); +static void mptspi_write_offset(struct scsi_target *, int); +static void mptspi_write_width(struct scsi_target *, int); +static int mptspi_write_spi_device_pg1(struct scsi_target *, + struct _CONFIG_PAGE_SCSI_DEVICE_1 *); + +static struct scsi_transport_template *mptspi_transport_template = NULL; static int mptspiDoneCtx = -1; static int mptspiTaskCtx = -1; static int mptspiInternalCtx = -1; /* Used only for internal commands */ +static int mptspi_target_alloc(struct scsi_target *starget) +{ + struct Scsi_Host *shost = dev_to_shost(&starget->dev); + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; + int ret; + + if (hd == NULL) + return -ENODEV; + + ret = mptscsih_target_alloc(starget); + if (ret) + return ret; + + /* if we're a device on virtual channel 1 and we're not part + * of an array, just return here (otherwise the setup below + * may actually affect a real physical device on channel 0 */ + if (starget->channel == 1 && + mptscsih_raid_id_to_num(hd, starget->id) < 0) + return 0; + + if (hd->ioc->spi_data.nvram && + hd->ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) { + u32 nvram = hd->ioc->spi_data.nvram[starget->id]; + spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; + spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; + } else { + spi_min_period(starget) = hd->ioc->spi_data.minSyncFactor; + spi_max_width(starget) = hd->ioc->spi_data.maxBusWidth; + } + spi_max_offset(starget) = hd->ioc->spi_data.maxSyncOffset; + + spi_offset(starget) = 0; + mptspi_write_width(starget, 0); + + return 0; +} + +static int mptspi_read_spi_device_pg0(struct scsi_target *starget, + struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0) +{ + struct Scsi_Host *shost = dev_to_shost(&starget->dev); + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; + struct _MPT_ADAPTER *ioc = hd->ioc; + struct _CONFIG_PAGE_SCSI_DEVICE_0 *pg0; + dma_addr_t pg0_dma; + int size; + struct _x_config_parms cfg; + struct _CONFIG_PAGE_HEADER hdr; + int err = -EBUSY; + + /* No SPI parameters for RAID devices */ + if (starget->channel == 0 && + (hd->ioc->raid_data.isRaid & (1 << starget->id))) + return -1; + + size = ioc->spi_data.sdp0length * 4; + /* + if (ioc->spi_data.sdp0length & 1) + size += size + 4; + size += 2048; + */ + + pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg0_dma, GFP_KERNEL); + if (pg0 == NULL) { + starget_printk(KERN_ERR, starget, "dma_alloc_coherent for parameters failed\n"); + return -EINVAL; + } + + memset(&hdr, 0, sizeof(hdr)); + + hdr.PageVersion = ioc->spi_data.sdp0version; + hdr.PageLength = ioc->spi_data.sdp0length; + hdr.PageNumber = 0; + hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; + + memset(&cfg, 0, sizeof(cfg)); + + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = pg0_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + cfg.dir = 0; + cfg.pageAddr = starget->id; + + if (mpt_config(ioc, &cfg)) { + starget_printk(KERN_ERR, starget, "mpt_config failed\n"); + goto out_free; + } + err = 0; + memcpy(pass_pg0, pg0, size); + + out_free: + dma_free_coherent(&ioc->pcidev->dev, size, pg0, pg0_dma); + return err; +} + +static u32 mptspi_getRP(struct scsi_target *starget) +{ + u32 nego = 0; + + nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0; + nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0; + nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0; + nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0; + nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0; + nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0; + nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0; + nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0; + + nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; + nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; + nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0; + + return nego; +} + +static void mptspi_read_parameters(struct scsi_target *starget) +{ + int nego; + struct _CONFIG_PAGE_SCSI_DEVICE_0 pg0; + + mptspi_read_spi_device_pg0(starget, &pg0); + + nego = le32_to_cpu(pg0.NegotiatedParameters); + + spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0; + spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0; + spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0; + spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0; + spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0; + spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0; + spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0; + spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0; + spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; + spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; + spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0; +} + +static int +mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, int disk) +{ + MpiRaidActionRequest_t *pReq; + MPT_FRAME_HDR *mf; + + /* Get and Populate a free Frame + */ + if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) { + ddvprintk((MYIOC_s_WARN_FMT "_do_raid: no msg frames!\n", + hd->ioc->name)); + return -EAGAIN; + } + pReq = (MpiRaidActionRequest_t *)mf; + if (quiesce) + pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO; + else + pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO; + pReq->Reserved1 = 0; + pReq->ChainOffset = 0; + pReq->Function = MPI_FUNCTION_RAID_ACTION; + pReq->VolumeID = disk; + pReq->VolumeBus = 0; + pReq->PhysDiskNum = 0; + pReq->MsgFlags = 0; + pReq->Reserved2 = 0; + pReq->ActionDataWord = 0; /* Reserved for this action */ + + mpt_add_sge((char *)&pReq->ActionDataSGE, + MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); + + ddvprintk((MYIOC_s_INFO_FMT "RAID Volume action %x id %d\n", + hd->ioc->name, action, io->id)); + + hd->pLocal = NULL; + hd->timer.expires = jiffies + HZ*10; /* 10 second timeout */ + hd->scandv_wait_done = 0; + + /* Save cmd pointer, for resource free if timeout or + * FW reload occurs + */ + hd->cmdPtr = mf; + + add_timer(&hd->timer); + mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf); + wait_event(hd->scandv_waitq, hd->scandv_wait_done); + + if ((hd->pLocal == NULL) || (hd->pLocal->completion != 0)) + return -1; + + return 0; +} + +static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd, + struct scsi_device *sdev) +{ + VirtTarget *vtarget = scsi_target(sdev)->hostdata; + + /* no DV on RAID devices */ + if (sdev->channel == 0 && + (hd->ioc->raid_data.isRaid & (1 << sdev->id))) + return; + + /* If this is a piece of a RAID, then quiesce first */ + if (sdev->channel == 1 && + mptscsih_quiesce_raid(hd, 1, vtarget->target_id) < 0) { + starget_printk(KERN_ERR, scsi_target(sdev), + "Integrated RAID quiesce failed\n"); + return; + } + + spi_dv_device(sdev); + + if (sdev->channel == 1 && + mptscsih_quiesce_raid(hd, 0, vtarget->target_id) < 0) + starget_printk(KERN_ERR, scsi_target(sdev), + "Integrated RAID resume failed\n"); + + mptspi_read_parameters(sdev->sdev_target); + spi_display_xfer_agreement(sdev->sdev_target); + mptspi_read_parameters(sdev->sdev_target); +} + +static int mptspi_slave_alloc(struct scsi_device *sdev) +{ + int ret; + MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sdev->host->hostdata; + /* gcc doesn't see that all uses of this variable occur within + * the if() statements, so stop it from whining */ + int physdisknum = 0; + + if (sdev->channel == 1) { + physdisknum = mptscsih_raid_id_to_num(hd, sdev->id); + + if (physdisknum < 0) + return physdisknum; + } + + ret = mptscsih_slave_alloc(sdev); + + if (ret) + return ret; + + if (sdev->channel == 1) { + VirtDevice *vdev = sdev->hostdata; + sdev->no_uld_attach = 1; + vdev->vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; + /* The real channel for this device is zero */ + vdev->vtarget->bus_id = 0; + /* The actual physdisknum (for RAID passthrough) */ + vdev->vtarget->target_id = physdisknum; + } + + return 0; +} + +static int mptspi_slave_configure(struct scsi_device *sdev) +{ + int ret = mptscsih_slave_configure(sdev); + struct _MPT_SCSI_HOST *hd = + (struct _MPT_SCSI_HOST *)sdev->host->hostdata; + + if (ret) + return ret; + + if ((sdev->channel == 1 || + !(hd->ioc->raid_data.isRaid & (1 << sdev->id))) && + !spi_initial_dv(sdev->sdev_target)) + mptspi_dv_device(hd, sdev); + + return 0; +} + +static void mptspi_slave_destroy(struct scsi_device *sdev) +{ + struct scsi_target *starget = scsi_target(sdev); + VirtTarget *vtarget = starget->hostdata; + VirtDevice *vdevice = sdev->hostdata; + + /* Will this be the last lun on a non-raid device? */ + if (vtarget->num_luns == 1 && vdevice->configured_lun) { + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + + /* Async Narrow */ + pg1.RequestedParameters = 0; + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); + } + + mptscsih_slave_destroy(sdev); +} + static struct scsi_host_template mptspi_driver_template = { .module = THIS_MODULE, .proc_name = "mptspi", @@ -109,11 +393,11 @@ static struct scsi_host_template mptspi_driver_template = { .name = "MPT SPI Host", .info = mptscsih_info, .queuecommand = mptscsih_qcmd, - .target_alloc = mptscsih_target_alloc, - .slave_alloc = mptscsih_slave_alloc, - .slave_configure = mptscsih_slave_configure, + .target_alloc = mptspi_target_alloc, + .slave_alloc = mptspi_slave_alloc, + .slave_configure = mptspi_slave_configure, .target_destroy = mptscsih_target_destroy, - .slave_destroy = mptscsih_slave_destroy, + .slave_destroy = mptspi_slave_destroy, .change_queue_depth = mptscsih_change_queue_depth, .eh_abort_handler = mptscsih_abort, .eh_device_reset_handler = mptscsih_dev_reset, @@ -128,20 +412,442 @@ static struct scsi_host_template mptspi_driver_template = { .use_clustering = ENABLE_CLUSTERING, }; +static int mptspi_write_spi_device_pg1(struct scsi_target *starget, + struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1) +{ + struct Scsi_Host *shost = dev_to_shost(&starget->dev); + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; + struct _MPT_ADAPTER *ioc = hd->ioc; + struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1; + dma_addr_t pg1_dma; + int size; + struct _x_config_parms cfg; + struct _CONFIG_PAGE_HEADER hdr; + int err = -EBUSY; + + /* don't allow updating nego parameters on RAID devices */ + if (starget->channel == 0 && + (hd->ioc->raid_data.isRaid & (1 << starget->id))) + return -1; + + size = ioc->spi_data.sdp1length * 4; + + pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL); + if (pg1 == NULL) { + starget_printk(KERN_ERR, starget, "dma_alloc_coherent for parameters failed\n"); + return -EINVAL; + } + + memset(&hdr, 0, sizeof(hdr)); + + hdr.PageVersion = ioc->spi_data.sdp1version; + hdr.PageLength = ioc->spi_data.sdp1length; + hdr.PageNumber = 1; + hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; + + memset(&cfg, 0, sizeof(cfg)); + + cfg.cfghdr.hdr = &hdr; + cfg.physAddr = pg1_dma; + cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; + cfg.dir = 1; + cfg.pageAddr = starget->id; + + memcpy(pg1, pass_pg1, size); + + pg1->Header.PageVersion = hdr.PageVersion; + pg1->Header.PageLength = hdr.PageLength; + pg1->Header.PageNumber = hdr.PageNumber; + pg1->Header.PageType = hdr.PageType; + + if (mpt_config(ioc, &cfg)) { + starget_printk(KERN_ERR, starget, "mpt_config failed\n"); + goto out_free; + } + err = 0; + + out_free: + dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma); + return err; +} + +static void mptspi_write_offset(struct scsi_target *starget, int offset) +{ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + u32 nego; + + if (offset < 0) + offset = 0; + + if (offset > 255) + offset = 255; + + if (spi_offset(starget) == -1) + mptspi_read_parameters(starget); + + spi_offset(starget) = offset; + + nego = mptspi_getRP(starget); + + pg1.RequestedParameters = cpu_to_le32(nego); + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); +} + +static void mptspi_write_period(struct scsi_target *starget, int period) +{ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + u32 nego; + + if (period < 8) + period = 8; + + if (period > 255) + period = 255; + + if (spi_period(starget) == -1) + mptspi_read_parameters(starget); + + if (period == 8) { + spi_iu(starget) = 1; + spi_dt(starget) = 1; + } else if (period == 9) { + spi_dt(starget) = 1; + } + + spi_period(starget) = period; + + nego = mptspi_getRP(starget); + + pg1.RequestedParameters = cpu_to_le32(nego); + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); +} + +static void mptspi_write_dt(struct scsi_target *starget, int dt) +{ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + u32 nego; + + if (spi_period(starget) == -1) + mptspi_read_parameters(starget); + + if (!dt && spi_period(starget) < 10) + spi_period(starget) = 10; + + spi_dt(starget) = dt; + + nego = mptspi_getRP(starget); + + + pg1.RequestedParameters = cpu_to_le32(nego); + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); +} + +static void mptspi_write_iu(struct scsi_target *starget, int iu) +{ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + u32 nego; + + if (spi_period(starget) == -1) + mptspi_read_parameters(starget); + + if (!iu && spi_period(starget) < 9) + spi_period(starget) = 9; + + spi_iu(starget) = iu; + + nego = mptspi_getRP(starget); + + pg1.RequestedParameters = cpu_to_le32(nego); + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); +} + +#define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \ +static void mptspi_write_##parm(struct scsi_target *starget, int parm)\ +{ \ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \ + u32 nego; \ + \ + spi_##parm(starget) = parm; \ + \ + nego = mptspi_getRP(starget); \ + \ + pg1.RequestedParameters = cpu_to_le32(nego); \ + pg1.Reserved = 0; \ + pg1.Configuration = 0; \ + \ + mptspi_write_spi_device_pg1(starget, &pg1); \ +} + +MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm) +MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow) +MPTSPI_SIMPLE_TRANSPORT_PARM(rti) +MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs) +MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en) + +static void mptspi_write_qas(struct scsi_target *starget, int qas) +{ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + struct Scsi_Host *shost = dev_to_shost(&starget->dev); + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; + VirtTarget *vtarget = starget->hostdata; + u32 nego; + + if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) || + hd->ioc->spi_data.noQas) + spi_qas(starget) = 0; + else + spi_qas(starget) = qas; + + nego = mptspi_getRP(starget); + + pg1.RequestedParameters = cpu_to_le32(nego); + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); +} + +static void mptspi_write_width(struct scsi_target *starget, int width) +{ + struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; + u32 nego; + + if (!width) { + spi_dt(starget) = 0; + if (spi_period(starget) < 10) + spi_period(starget) = 10; + } + + spi_width(starget) = width; + + nego = mptspi_getRP(starget); + + pg1.RequestedParameters = cpu_to_le32(nego); + pg1.Reserved = 0; + pg1.Configuration = 0; + + mptspi_write_spi_device_pg1(starget, &pg1); +} + +struct work_queue_wrapper { + struct work_struct work; + struct _MPT_SCSI_HOST *hd; + int disk; +}; + +static void mpt_work_wrapper(struct work_struct *work) +{ + struct work_queue_wrapper *wqw = + container_of(work, struct work_queue_wrapper, work); + struct _MPT_SCSI_HOST *hd = wqw->hd; + struct Scsi_Host *shost = hd->ioc->sh; + struct scsi_device *sdev; + int disk = wqw->disk; + struct _CONFIG_PAGE_IOC_3 *pg3; + + kfree(wqw); + + mpt_findImVolumes(hd->ioc); + pg3 = hd->ioc->raid_data.pIocPg3; + if (!pg3) + return; + + shost_for_each_device(sdev,shost) { + struct scsi_target *starget = scsi_target(sdev); + VirtTarget *vtarget = starget->hostdata; + + /* only want to search RAID components */ + if (sdev->channel != 1) + continue; + + /* The target_id is the raid PhysDiskNum, even if + * starget->id is the actual target address */ + if(vtarget->target_id != disk) + continue; + + starget_printk(KERN_INFO, vtarget->starget, + "Integrated RAID requests DV of new device\n"); + mptspi_dv_device(hd, sdev); + } + shost_printk(KERN_INFO, shost, + "Integrated RAID detects new device %d\n", disk); + scsi_scan_target(&hd->ioc->sh->shost_gendev, 1, disk, 0, 1); +} + + +static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) +{ + struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); + + if (!wqw) { + shost_printk(KERN_ERR, hd->ioc->sh, + "Failed to act on RAID event for physical disk %d\n", + disk); + return; + } + INIT_WORK(&wqw->work, mpt_work_wrapper); + wqw->hd = hd; + wqw->disk = disk; + + schedule_work(&wqw->work); +} + +static int +mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) +{ + u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; + + if (hd && event == MPI_EVENT_INTEGRATED_RAID) { + int reason + = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; + + if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { + int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; + mpt_dv_raid(hd, disk); + } + } + return mptscsih_event_process(ioc, pEvReply); +} + +static int +mptspi_deny_binding(struct scsi_target *starget) +{ + struct _MPT_SCSI_HOST *hd = + (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata; + return ((hd->ioc->raid_data.isRaid & (1 << starget->id)) && + starget->channel == 0) ? 1 : 0; +} + +static struct spi_function_template mptspi_transport_functions = { + .get_offset = mptspi_read_parameters, + .set_offset = mptspi_write_offset, + .show_offset = 1, + .get_period = mptspi_read_parameters, + .set_period = mptspi_write_period, + .show_period = 1, + .get_width = mptspi_read_parameters, + .set_width = mptspi_write_width, + .show_width = 1, + .get_iu = mptspi_read_parameters, + .set_iu = mptspi_write_iu, + .show_iu = 1, + .get_dt = mptspi_read_parameters, + .set_dt = mptspi_write_dt, + .show_dt = 1, + .get_qas = mptspi_read_parameters, + .set_qas = mptspi_write_qas, + .show_qas = 1, + .get_wr_flow = mptspi_read_parameters, + .set_wr_flow = mptspi_write_wr_flow, + .show_wr_flow = 1, + .get_rd_strm = mptspi_read_parameters, + .set_rd_strm = mptspi_write_rd_strm, + .show_rd_strm = 1, + .get_rti = mptspi_read_parameters, + .set_rti = mptspi_write_rti, + .show_rti = 1, + .get_pcomp_en = mptspi_read_parameters, + .set_pcomp_en = mptspi_write_pcomp_en, + .show_pcomp_en = 1, + .get_hold_mcs = mptspi_read_parameters, + .set_hold_mcs = mptspi_write_hold_mcs, + .show_hold_mcs = 1, + .deny_binding = mptspi_deny_binding, +}; /**************************************************************************** * Supported hardware */ static struct pci_device_id mptspi_pci_table[] = { - { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030, + { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_1030_53C1035, + { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, PCI_ANY_ID, PCI_ANY_ID }, {0} /* Terminating entry */ }; MODULE_DEVICE_TABLE(pci, mptspi_pci_table); + +/* + * renegotiate for a given target + */ +static void +mptspi_dv_renegotiate_work(struct work_struct *work) +{ + struct work_queue_wrapper *wqw = + container_of(work, struct work_queue_wrapper, work); + struct _MPT_SCSI_HOST *hd = wqw->hd; + struct scsi_device *sdev; + + kfree(wqw); + + shost_for_each_device(sdev, hd->ioc->sh) + mptspi_dv_device(hd, sdev); +} + +static void +mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) +{ + struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); + + if (!wqw) + return; + + INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); + wqw->hd = hd; + + schedule_work(&wqw->work); +} + +/* + * spi module reset handler + */ +static int +mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) +{ + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; + int rc; + + rc = mptscsih_ioc_reset(ioc, reset_phase); + + if (reset_phase == MPT_IOC_POST_RESET) + mptspi_dv_renegotiate(hd); + + return rc; +} + +#ifdef CONFIG_PM +/* + * spi module resume handler + */ +static int +mptspi_resume(struct pci_dev *pdev) +{ + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; + int rc; + + rc = mptscsih_resume(pdev); + mptspi_dv_renegotiate(hd); + + return rc; +} +#endif + /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* @@ -242,7 +948,14 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) sh->max_id = MPT_MAX_SCSI_DEVICES; sh->max_lun = MPT_LAST_LUN + 1; - sh->max_channel = 0; + /* + * If RAID Firmware Detected, setup virtual channel + */ + if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK) + > MPI_FW_HEADER_PID_PROD_TARGET_SCSI) + sh->max_channel = 1; + else + sh->max_channel = 0; sh->this_id = ioc->pfacts[0].PortSCSIID; /* Required entry. @@ -301,7 +1014,8 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) * indicates a device exists. * max_id = 1 + maximum id (hosts.h) */ - hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC); + hd->Targets = kcalloc(sh->max_id * (sh->max_channel + 1), + sizeof(void *), GFP_ATOMIC); if (!hd->Targets) { error = -ENOMEM; goto out_mptspi_probe; @@ -332,51 +1046,23 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) hd->timer.function = mptscsih_timer_expired; ioc->spi_data.Saf_Te = mpt_saf_te; - hd->mpt_pq_filter = mpt_pq_filter; - -#ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION - if (ioc->spi_data.maxBusWidth > mpt_width) - ioc->spi_data.maxBusWidth = mpt_width; - if (ioc->spi_data.minSyncFactor < mpt_factor) - ioc->spi_data.minSyncFactor = mpt_factor; - if (ioc->spi_data.minSyncFactor == MPT_ASYNC) { - ioc->spi_data.maxSyncOffset = 0; - } - ioc->spi_data.mpt_dv = mpt_dv; - hd->negoNvram = 0; - ddvprintk((MYIOC_s_INFO_FMT - "dv %x width %x factor %x saf_te %x mpt_pq_filter %x\n", - ioc->name, - mpt_dv, - mpt_width, - mpt_factor, - mpt_saf_te, - mpt_pq_filter)); -#else hd->negoNvram = MPT_SCSICFG_USE_NVRAM; ddvprintk((MYIOC_s_INFO_FMT - "saf_te %x mpt_pq_filter %x\n", + "saf_te %x\n", ioc->name, - mpt_saf_te, - mpt_pq_filter)); -#endif - - ioc->spi_data.forceDv = 0; + mpt_saf_te)); ioc->spi_data.noQas = 0; - for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) - ioc->spi_data.dvStatus[ii] = - MPT_SCSICFG_NEGOTIATE; - - for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) - ioc->spi_data.dvStatus[ii] |= - MPT_SCSICFG_DV_NOT_DONE; - init_waitqueue_head(&hd->scandv_waitq); hd->scandv_wait_done = 0; hd->last_queue_full = 0; + /* Some versions of the firmware don't support page 0; without + * that we can't get the parameters */ + if (hd->ioc->spi_data.sdp0length != 0) + sh->transportt = mptspi_transport_template; + error = scsi_add_host (sh, &ioc->pcidev->dev); if(error) { dprintk((KERN_ERR MYNAM @@ -409,33 +1095,35 @@ static struct pci_driver mptspi_driver = { .shutdown = mptscsih_shutdown, #ifdef CONFIG_PM .suspend = mptscsih_suspend, - .resume = mptscsih_resume, + .resume = mptspi_resume, #endif }; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mptspi_init - Register MPT adapter(s) as SCSI host(s) with - * linux scsi mid-layer. + * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. * * Returns 0 for success, non-zero for failure. */ static int __init mptspi_init(void) { - show_mptmod_ver(my_NAME, my_VERSION); + mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions); + if (!mptspi_transport_template) + return -ENODEV; + mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER); mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER); mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSPI_DRIVER); - if (mpt_event_register(mptspiDoneCtx, mptscsih_event_process) == 0) { - devtprintk((KERN_INFO MYNAM + if (mpt_event_register(mptspiDoneCtx, mptspi_event_process) == 0) { + devtverboseprintk((KERN_INFO MYNAM ": Registered for IOC event notifications\n")); } - if (mpt_reset_register(mptspiDoneCtx, mptscsih_ioc_reset) == 0) { + if (mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset) == 0) { dprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n")); } @@ -447,7 +1135,6 @@ mptspi_init(void) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mptspi_exit - Unregisters MPT adapter(s) - * */ static void __exit mptspi_exit(void) @@ -465,6 +1152,7 @@ mptspi_exit(void) mpt_deregister(mptspiInternalCtx); mpt_deregister(mptspiTaskCtx); mpt_deregister(mptspiDoneCtx); + spi_release_transport(mptspi_transport_template); } module_init(mptspi_init);