diff options
Diffstat (limited to 'drivers/message/fusion/mptsas.c')
| -rw-r--r-- | drivers/message/fusion/mptsas.c | 720 |
1 files changed, 581 insertions, 139 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 09e9a9d96410..404c014db1bd 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -4,7 +4,7 @@ * running LSI Logic Fusion MPT (Message Passing Technology) firmware. * * Copyright (c) 1999-2007 LSI Logic Corporation - * (mailto:mpt_linux_developer@lsil.com) + * (mailto:mpt_linux_developer@lsi.com) * Copyright (c) 2005-2007 Dell */ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ @@ -48,7 +48,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/errno.h> -#include <linux/sched.h> +#include <linux/jiffies.h> #include <linux/workqueue.h> #include <linux/delay.h> /* for mdelay */ @@ -83,17 +83,31 @@ MODULE_PARM_DESC(mpt_pt_clear, " Clear persistency table: enable=1 " "(default=MPTSCSIH_PT_CLEAR=0)"); +/* scsi-mid layer global parmeter is max_report_luns, which is 511 */ +#define MPTSAS_MAX_LUN (16895) +static int max_lun = MPTSAS_MAX_LUN; +module_param(max_lun, int, 0); +MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); + static int mptsasDoneCtx = -1; static int mptsasTaskCtx = -1; static int mptsasInternalCtx = -1; /* Used only for internal commands */ static int mptsasMgmtCtx = -1; +static void mptsas_hotplug_work(struct work_struct *work); + +struct mptsas_target_reset_event { + struct list_head list; + EVENT_DATA_SAS_DEVICE_STATUS_CHANGE sas_event_data; + u8 target_reset_issued; +}; enum mptsas_hotplug_action { MPTSAS_ADD_DEVICE, MPTSAS_DEL_DEVICE, MPTSAS_ADD_RAID, MPTSAS_DEL_RAID, + MPTSAS_ADD_INACTIVE_VOLUME, MPTSAS_IGNORE_EVENT, }; @@ -102,14 +116,15 @@ struct mptsas_hotplug_event { MPT_ADAPTER *ioc; enum mptsas_hotplug_action event_type; u64 sas_address; - u32 channel; - u32 id; + u8 channel; + u8 id; u32 device_info; u16 handle; u16 parent_handle; u8 phy_id; - u8 phys_disk_num; - u8 phys_disk_num_valid; + u8 phys_disk_num_valid; /* hrc (hidden raid component) */ + u8 phys_disk_num; /* hrc - unique index*/ + u8 hidden_raid_component; /* hrc - don't expose*/ }; struct mptsas_discovery_event { @@ -134,6 +149,7 @@ struct mptsas_devinfo { u8 port_id; /* sas physical port this device is assoc'd with */ u8 id; /* logical target id of this device */ + u32 phys_disk_num; /* phys disk id, for csmi-ioctls */ u8 channel; /* logical bus number of this device */ u64 sas_address; /* WWN of this device, SATA is assigned by HBA,expander */ @@ -153,6 +169,7 @@ struct mptsas_portinfo_details{ }; struct mptsas_phyinfo { + u16 handle; /* unique id to address this */ u8 phy_id; /* phy index */ u8 port_id; /* firmware port identifier */ u8 negotiated_link_rate; /* nego'd link rate for this phy */ @@ -168,7 +185,6 @@ struct mptsas_phyinfo { struct mptsas_portinfo { struct list_head list; - u16 handle; /* unique id to address this */ u16 num_phys; /* number of phys */ struct mptsas_phyinfo *phy_info; }; @@ -561,22 +577,273 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) mutex_unlock(&ioc->sas_topology_mutex); } +/** + * csmisas_find_vtarget + * + * @ioc + * @volume_id + * @volume_bus + * + **/ +static VirtTarget * +mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id) +{ + struct scsi_device *sdev; + VirtDevice *vdev; + VirtTarget *vtarget = NULL; + + shost_for_each_device(sdev, ioc->sh) { + if ((vdev = sdev->hostdata) == NULL) + continue; + if (vdev->vtarget->id == id && + vdev->vtarget->channel == channel) + vtarget = vdev->vtarget; + } + return vtarget; +} + +/** + * mptsas_target_reset + * + * Issues TARGET_RESET to end device using handshaking method + * + * @ioc + * @channel + * @id + * + * Returns (1) success + * (0) failure + * + **/ +static int +mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id) +{ + MPT_FRAME_HDR *mf; + SCSITaskMgmt_t *pScsiTm; + + if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { + dfailprintk((MYIOC_s_WARN_FMT "%s, no msg frames @%d!!\n", + ioc->name,__FUNCTION__, __LINE__)); + return 0; + } + + /* Format the Request + */ + pScsiTm = (SCSITaskMgmt_t *) mf; + memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t)); + pScsiTm->TargetID = id; + pScsiTm->Bus = channel; + pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; + pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET; + pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; + + DBG_DUMP_TM_REQUEST_FRAME(mf); + + if (mpt_send_handshake_request(ioc->TaskCtx, ioc, + sizeof(SCSITaskMgmt_t), (u32 *)mf, NO_SLEEP)) { + mpt_free_msg_frame(ioc, mf); + dfailprintk((MYIOC_s_WARN_FMT "%s, tm handshake failed @%d!!\n", + ioc->name,__FUNCTION__, __LINE__)); + return 0; + } + + return 1; +} + +/** + * mptsas_target_reset_queue + * + * Receive request for TARGET_RESET after recieving an firmware + * event NOT_RESPONDING_EVENT, then put command in link list + * and queue if task_queue already in use. + * + * @ioc + * @sas_event_data + * + **/ static void -mptsas_target_reset(MPT_ADAPTER *ioc, VirtTarget * vtarget) +mptsas_target_reset_queue(MPT_ADAPTER *ioc, + EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data) { - MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; + MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; + VirtTarget *vtarget = NULL; + struct mptsas_target_reset_event *target_reset_list; + u8 id, channel; - if (mptscsih_TMHandler(hd, - MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, - vtarget->bus_id, vtarget->target_id, 0, 0, 5) < 0) { - hd->tmPending = 0; - hd->tmState = TM_STATE_NONE; - printk(MYIOC_s_WARN_FMT - "Error processing TaskMgmt id=%d TARGET_RESET\n", - ioc->name, vtarget->target_id); + id = sas_event_data->TargetID; + channel = sas_event_data->Bus; + + if (!(vtarget = mptsas_find_vtarget(ioc, channel, id))) + return; + + vtarget->deleted = 1; /* block IO */ + + target_reset_list = kzalloc(sizeof(*target_reset_list), + GFP_ATOMIC); + if (!target_reset_list) { + dfailprintk((MYIOC_s_WARN_FMT "%s, failed to allocate mem @%d..!!\n", + ioc->name,__FUNCTION__, __LINE__)); + return; + } + + memcpy(&target_reset_list->sas_event_data, sas_event_data, + sizeof(*sas_event_data)); + list_add_tail(&target_reset_list->list, &hd->target_reset_list); + + if (hd->resetPending) + return; + + if (mptsas_target_reset(ioc, channel, id)) { + target_reset_list->target_reset_issued = 1; + hd->resetPending = 1; } } +/** + * mptsas_dev_reset_complete + * + * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, + * enable work queue to finish off removing device from upper layers. + * then send next TARGET_RESET in the queue. + * + * @ioc + * + **/ +static void +mptsas_dev_reset_complete(MPT_ADAPTER *ioc) +{ + MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; + struct list_head *head = &hd->target_reset_list; + struct mptsas_target_reset_event *target_reset_list; + struct mptsas_hotplug_event *ev; + EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data; + u8 id, channel; + __le64 sas_address; + + if (list_empty(head)) + return; + + target_reset_list = list_entry(head->next, struct mptsas_target_reset_event, list); + + sas_event_data = &target_reset_list->sas_event_data; + id = sas_event_data->TargetID; + channel = sas_event_data->Bus; + hd->resetPending = 0; + + /* + * retry target reset + */ + if (!target_reset_list->target_reset_issued) { + if (mptsas_target_reset(ioc, channel, id)) { + target_reset_list->target_reset_issued = 1; + hd->resetPending = 1; + } + return; + } + + /* + * enable work queue to remove device from upper layers + */ + list_del(&target_reset_list->list); + + ev = kzalloc(sizeof(*ev), GFP_ATOMIC); + if (!ev) { + dfailprintk((MYIOC_s_WARN_FMT "%s, failed to allocate mem @%d..!!\n", + ioc->name,__FUNCTION__, __LINE__)); + return; + } + + INIT_WORK(&ev->work, mptsas_hotplug_work); + ev->ioc = ioc; + ev->handle = le16_to_cpu(sas_event_data->DevHandle); + ev->parent_handle = + le16_to_cpu(sas_event_data->ParentDevHandle); + ev->channel = channel; + ev->id =id; + ev->phy_id = sas_event_data->PhyNum; + memcpy(&sas_address, &sas_event_data->SASAddress, + sizeof(__le64)); + ev->sas_address = le64_to_cpu(sas_address); + ev->device_info = le32_to_cpu(sas_event_data->DeviceInfo); + ev->event_type = MPTSAS_DEL_DEVICE; + schedule_work(&ev->work); + kfree(target_reset_list); + + /* + * issue target reset to next device in the queue + */ + + head = &hd->target_reset_list; + if (list_empty(head)) + return; + + target_reset_list = list_entry(head->next, struct mptsas_target_reset_event, + list); + + sas_event_data = &target_reset_list->sas_event_data; + id = sas_event_data->TargetID; + channel = sas_event_data->Bus; + + if (mptsas_target_reset(ioc, channel, id)) { + target_reset_list->target_reset_issued = 1; + hd->resetPending = 1; + } +} + +/** + * mptsas_taskmgmt_complete + * + * @ioc + * @mf + * @mr + * + **/ +static int +mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) +{ + mptsas_dev_reset_complete(ioc); + return mptscsih_taskmgmt_complete(ioc, mf, mr); +} + +/** + * mptscsih_ioc_reset + * + * @ioc + * @reset_phase + * + **/ +static int +mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) +{ + MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; + struct mptsas_target_reset_event *target_reset_list, *n; + int rc; + + rc = mptscsih_ioc_reset(ioc, reset_phase); + + if (ioc->bus_type != SAS) + goto out; + + if (reset_phase != MPT_IOC_POST_RESET) + goto out; + + if (!hd || !hd->ioc) + goto out; + + if (list_empty(&hd->target_reset_list)) + goto out; + + /* flush the target_reset_list */ + list_for_each_entry_safe(target_reset_list, n, + &hd->target_reset_list, list) { + list_del(&target_reset_list->list); + kfree(target_reset_list); + } + + out: + return rc; +} + static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure, u32 form, u32 form_specific) @@ -661,8 +928,7 @@ mptsas_target_alloc(struct scsi_target *starget) struct Scsi_Host *host = dev_to_shost(&starget->dev); MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; VirtTarget *vtarget; - u32 target_id; - u32 channel; + u8 id, channel; struct sas_rphy *rphy; struct mptsas_portinfo *p; int i; @@ -673,15 +939,19 @@ mptsas_target_alloc(struct scsi_target *starget) vtarget->starget = starget; vtarget->ioc_id = hd->ioc->id; - vtarget->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY; - - target_id = starget->id; + vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; + id = starget->id; channel = 0; - hd->Targets[target_id] = vtarget; - - if (starget->channel == MPTSAS_RAID_CHANNEL) + /* + * RAID volumes placed beyond the last expected port. + */ + if (starget->channel == MPTSAS_RAID_CHANNEL) { + for (i=0; i < hd->ioc->raid_data.pIocPg2->NumActiveVolumes; i++) + if (id == hd->ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID) + channel = hd->ioc->raid_data.pIocPg2->RaidVolume[i].VolumeBus; goto out; + } rphy = dev_to_rphy(starget->dev.parent); mutex_lock(&hd->ioc->sas_topology_mutex); @@ -690,18 +960,19 @@ mptsas_target_alloc(struct scsi_target *starget) if (p->phy_info[i].attached.sas_address != rphy->identify.sas_address) continue; - target_id = p->phy_info[i].attached.id; + id = p->phy_info[i].attached.id; channel = p->phy_info[i].attached.channel; mptsas_set_starget(&p->phy_info[i], starget); /* * Exposing hidden raid components */ - if (mptscsih_is_phys_disk(hd->ioc, target_id)) { - target_id = mptscsih_raid_id_to_num(hd, - target_id); + if (mptscsih_is_phys_disk(hd->ioc, channel, id)) { + id = mptscsih_raid_id_to_num(hd->ioc, + channel, id); vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; + p->phy_info[i].attached.phys_disk_num = id; } mutex_unlock(&hd->ioc->sas_topology_mutex); goto out; @@ -713,8 +984,8 @@ mptsas_target_alloc(struct scsi_target *starget) return -ENXIO; out: - vtarget->target_id = target_id; - vtarget->bus_id = channel; + vtarget->id = id; + vtarget->channel = channel; starget->hostdata = vtarget; return 0; } @@ -786,7 +1057,8 @@ mptsas_slave_alloc(struct scsi_device *sdev) * Exposing hidden raid components */ if (mptscsih_is_phys_disk(hd->ioc, - p->phy_info[i].attached.id)) + p->phy_info[i].attached.channel, + p->phy_info[i].attached.id)) sdev->no_uld_attach = 1; mutex_unlock(&hd->ioc->sas_topology_mutex); goto out; @@ -808,13 +1080,14 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { VirtDevice *vdev = SCpnt->device->hostdata; -// scsi_print_command(SCpnt); - if (vdev->vtarget->deleted) { + if (!vdev || !vdev->vtarget || vdev->vtarget->deleted) { SCpnt->result = DID_NO_CONNECT << 16; done(SCpnt); return 0; } +// scsi_print_command(SCpnt); + return mptscsih_qcmd(SCpnt,done); } @@ -1114,9 +1387,6 @@ mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) goto out_free_consistent; } - if (port_info->num_phys) - port_info->handle = - le16_to_cpu(buffer->PhyData[0].ControllerDevHandle); for (i = 0; i < port_info->num_phys; i++) { mptsas_print_phy_data(&buffer->PhyData[i]); port_info->phy_info[i].phy_id = i; @@ -1125,6 +1395,8 @@ mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) port_info->phy_info[i].negotiated_link_rate = buffer->PhyData[i].NegotiatedLinkRate; port_info->phy_info[i].portinfo = port_info; + port_info->phy_info[i].handle = + le16_to_cpu(buffer->PhyData[i].ControllerDevHandle); } out_free_consistent: @@ -1261,6 +1533,7 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, device_info->phy_id = buffer->PhyNum; device_info->port_id = buffer->PhysicalPort; device_info->id = buffer->TargetID; + device_info->phys_disk_num = ~0; device_info->channel = buffer->Bus; memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); device_info->sas_address = le64_to_cpu(sas_address); @@ -1325,7 +1598,6 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, /* save config data */ port_info->num_phys = buffer->NumPhys; - port_info->handle = le16_to_cpu(buffer->DevHandle); port_info->phy_info = kcalloc(port_info->num_phys, sizeof(*port_info->phy_info),GFP_KERNEL); if (!port_info->phy_info) { @@ -1333,8 +1605,11 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, goto out_free_consistent; } - for (i = 0; i < port_info->num_phys; i++) + for (i = 0; i < port_info->num_phys; i++) { port_info->phy_info[i].portinfo = port_info; + port_info->phy_info[i].handle = + le16_to_cpu(buffer->DevHandle); + } out_free_consistent: pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, @@ -1702,7 +1977,6 @@ static int mptsas_probe_hba_phys(MPT_ADAPTER *ioc) { struct mptsas_portinfo *port_info, *hba; - u32 handle = 0xFFFF; int error = -ENOMEM, i; hba = kzalloc(sizeof(*port_info), GFP_KERNEL); @@ -1714,34 +1988,36 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc) goto out_free_port_info; mutex_lock(&ioc->sas_topology_mutex); - ioc->handle = hba->handle; - port_info = mptsas_find_portinfo_by_handle(ioc, hba->handle); + ioc->handle = hba->phy_info[0].handle; + port_info = mptsas_find_portinfo_by_handle(ioc, ioc->handle); if (!port_info) { port_info = hba; list_add_tail(&port_info->list, &ioc->sas_topology); } else { - port_info->handle = hba->handle; - for (i = 0; i < hba->num_phys; i++) + for (i = 0; i < hba->num_phys; i++) { port_info->phy_info[i].negotiated_link_rate = hba->phy_info[i].negotiated_link_rate; + port_info->phy_info[i].handle = + hba->phy_info[i].handle; + port_info->phy_info[i].port_id = + hba->phy_info[i].port_id; + } kfree(hba->phy_info); kfree(hba); hba = NULL; } mutex_unlock(&ioc->sas_topology_mutex); - for (i = 0; i < port_info->num_phys; i++) { mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i], (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << MPI_SAS_PHY_PGAD_FORM_SHIFT), i); mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify, - (MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE << - MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle); + (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << + MPI_SAS_DEVICE_PGAD_FORM_SHIFT), + port_info->phy_info[i].handle); port_info->phy_info[i].identify.phy_id = - port_info->phy_info[i].phy_id; - handle = port_info->phy_info[i].identify.handle; - + port_info->phy_info[i].phy_id = i; if (port_info->phy_info[i].attached.handle) mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].attached, @@ -1777,12 +2053,12 @@ mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle) goto out; error = mptsas_sas_expander_pg0(ioc, ex, - (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << - MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle); + (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << + MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle); if (error) goto out_free_port_info; - *handle = ex->handle; + *handle = ex->phy_info[0].handle; mutex_lock(&ioc->sas_topology_mutex); port_info = mptsas_find_portinfo_by_handle(ioc, *handle); @@ -1790,7 +2066,12 @@ mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle) port_info = ex; list_add_tail(&port_info->list, &ioc->sas_topology); } else { - port_info->handle = ex->handle; + for (i = 0; i < ex->num_phys; i++) { + port_info->phy_info[i].handle = + ex->phy_info[i].handle; + port_info->phy_info[i].port_id = + ex->phy_info[i].port_id; + } kfree(ex->phy_info); kfree(ex); ex = NULL; @@ -1868,8 +2149,6 @@ mptsas_delete_expander_phys(MPT_ADAPTER *ioc) struct mptsas_portinfo buffer; struct mptsas_portinfo *port_info, *n, *parent; struct mptsas_phyinfo *phy_info; - struct scsi_target * starget; - VirtTarget * vtarget; struct sas_port * port; int i; u64 expander_sas_address; @@ -1884,26 +2163,8 @@ mptsas_delete_expander_phys(MPT_ADAPTER *ioc) if (mptsas_sas_expander_pg0(ioc, &buffer, (MPI_SAS_EXPAND_PGAD_FORM_HANDLE << - MPI_SAS_EXPAND_PGAD_FORM_SHIFT), port_info->handle)) { - - /* - * Issue target reset to all child end devices - * then mark them deleted to prevent further - * IO going to them. - */ - phy_info = port_info->phy_info; - for (i = 0; i < port_info->num_phys; i++, phy_info++) { - starget = mptsas_get_starget(phy_info); - if (!starget) - continue; - vtarget = starget->hostdata; - if(vtarget->deleted) - continue; - vtarget->deleted = 1; - mptsas_target_reset(ioc, vtarget); - sas_port_delete(mptsas_get_port(phy_info)); - mptsas_port_delete(phy_info->port_details); - } + MPI_SAS_EXPAND_PGAD_FORM_SHIFT), + port_info->phy_info[0].handle)) { /* * Obtain the port_info instance to the parent port @@ -1972,11 +2233,13 @@ mptsas_scan_sas_topology(MPT_ADAPTER *ioc) /* Reporting RAID volumes. */ + if (!ioc->ir_firmware) + goto out; if (!ioc->raid_data.pIocPg2) goto out; if (!ioc->raid_data.pIocPg2->NumActiveVolumes) goto out; - for (i=0; i<ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { + for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0); } @@ -2030,12 +2293,37 @@ mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address) mutex_lock(&ioc->sas_topology_mutex); list_for_each_entry(port_info, &ioc->sas_topology, list) { for (i = 0; i < port_info->num_phys; i++) { + if (!mptsas_is_end_device( + &port_info->phy_info[i].attached)) + continue; if (port_info->phy_info[i].attached.sas_address != sas_address) continue; + phy_info = &port_info->phy_info[i]; + break; + } + } + mutex_unlock(&ioc->sas_topology_mutex); + return phy_info; +} + +static struct mptsas_phyinfo * +mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u8 channel, u8 id) +{ + struct mptsas_portinfo *port_info; + struct mptsas_phyinfo *phy_info = NULL; + int i; + + mutex_lock(&ioc->sas_topology_mutex); + list_for_each_entry(port_info, &ioc->sas_topology, list) { + for (i = 0; i < port_info->num_phys; i++) { if (!mptsas_is_end_device( &port_info->phy_info[i].attached)) continue; + if (port_info->phy_info[i].attached.id != id) + continue; + if (port_info->phy_info[i].attached.channel != channel) + continue; phy_info = &port_info->phy_info[i]; break; } @@ -2045,7 +2333,7 @@ mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address) } static struct mptsas_phyinfo * -mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u32 id) +mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 channel, u8 id) { struct mptsas_portinfo *port_info; struct mptsas_phyinfo *phy_info = NULL; @@ -2054,11 +2342,15 @@ mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u32 id) mutex_lock(&ioc->sas_topology_mutex); list_for_each_entry(port_info, &ioc->sas_topology, list) { for (i = 0; i < port_info->num_phys; i++) { - if (port_info->phy_info[i].attached.id != id) - continue; if (!mptsas_is_end_device( &port_info->phy_info[i].attached)) continue; + if (port_info->phy_info[i].attached.phys_disk_num == ~0) + continue; + if (port_info->phy_info[i].attached.phys_disk_num != id) + continue; + if (port_info->phy_info[i].attached.channel != channel) + continue; phy_info = &port_info->phy_info[i]; break; } @@ -2094,6 +2386,76 @@ mptsas_reprobe_target(struct scsi_target *starget, int uld_attach) mptsas_reprobe_lun); } +static void +mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id) +{ + CONFIGPARMS cfg; + ConfigPageHeader_t hdr; + dma_addr_t dma_handle; + pRaidVolumePage0_t buffer = NULL; + RaidPhysDiskPage0_t phys_disk; + int i; + struct mptsas_hotplug_event *ev; + + memset(&cfg, 0 , sizeof(CONFIGPARMS)); + memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); + hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; + cfg.pageAddr = (channel << 8) + id; + cfg.cfghdr.hdr = &hdr; + cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; + + if (mpt_config(ioc, &cfg) != 0) + goto out; + + if (!hdr.PageLength) + goto out; + + buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, + &dma_handle); + + if (!buffer) + goto out; + + cfg.physAddr = dma_handle; + cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; + + if (mpt_config(ioc, &cfg) != 0) + goto out; + + if (!(buffer->VolumeStatus.Flags & + MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE)) + goto out; + + if (!buffer->NumPhysDisks) + goto out; + + for (i = 0; i < buffer->NumPhysDisks; i++) { + + if (mpt_raid_phys_disk_pg0(ioc, + buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) + continue; + + ev = kzalloc(sizeof(*ev), GFP_ATOMIC); + if (!ev) { + printk(KERN_WARNING "mptsas: lost hotplug event\n"); + goto out; + } + + INIT_WORK(&ev->work, mptsas_hotplug_work); + ev->ioc = ioc; + ev->id = phys_disk.PhysDiskID; + ev->channel = phys_disk.PhysDiskBus; + ev->phys_disk_num_valid = 1; + ev->phys_disk_num = phys_disk.PhysDiskNum; + ev->event_type = MPTSAS_ADD_DEVICE; + schedule_work(&ev->work); + } + + out: + if (buffer) + pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, + dma_handle); +} /* * Work queue thread to handle SAS hotplug events */ @@ -2102,6 +2464,7 @@ mptsas_hotplug_work(struct work_struct *work) { struct mptsas_hotplug_event *ev = container_of(work, struct mptsas_hotplug_event, work); + MPT_ADAPTER *ioc = ev->ioc; struct mptsas_phyinfo *phy_info; struct sas_rphy *rphy; @@ -2114,17 +2477,43 @@ mptsas_hotplug_work(struct work_struct *work) VirtTarget *vtarget; VirtDevice *vdevice; - mutex_lock(&ioc->sas_discovery_mutex); switch (ev->event_type) { case MPTSAS_DEL_DEVICE: - phy_info = mptsas_find_phyinfo_by_target(ioc, ev->id); + phy_info = NULL; + if (ev->phys_disk_num_valid) { + if (ev->hidden_raid_component){ + if (mptsas_sas_device_pg0(ioc, &sas_device, + (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << + MPI_SAS_DEVICE_PGAD_FORM_SHIFT), + (ev->channel << 8) + ev->id)) { + dfailprintk((MYIOC_s_ERR_FMT + "%s: exit at line=%d\n", ioc->name, + __FUNCTION__, __LINE__)); + break; + } + phy_info = mptsas_find_phyinfo_by_sas_address( + ioc, sas_device.sas_address); + }else + phy_info = mptsas_find_phyinfo_by_phys_disk_num( + ioc, ev->channel, ev->phys_disk_num); + } + + if (!phy_info) + phy_info = mptsas_find_phyinfo_by_target(ioc, + ev->channel, ev->id); /* * Sanity checks, for non-existing phys and remote rphys. */ - if (!phy_info || !phy_info->port_details) { + if (!phy_info){ + dfailprintk((MYIOC_s_ERR_FMT + "%s: exit at line=%d\n", ioc->name, + __FUNCTION__, __LINE__)); + break; + } + if (!phy_info->port_details) { dfailprintk((MYIOC_s_ERR_FMT "%s: exit at line=%d\n", ioc->name, __FUNCTION__, __LINE__)); @@ -2137,6 +2526,7 @@ mptsas_hotplug_work(struct work_struct *work) __FUNCTION__, __LINE__)); break; } + port = mptsas_get_port(phy_info); if (!port) { dfailprintk((MYIOC_s_ERR_FMT @@ -2159,28 +2549,35 @@ mptsas_hotplug_work(struct work_struct *work) /* * Handling RAID components */ - if (ev->phys_disk_num_valid) { - vtarget->target_id = ev->phys_disk_num; - vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; + if (ev->phys_disk_num_valid && + ev->hidden_raid_component) { + printk(MYIOC_s_INFO_FMT + "RAID Hidding: channel=%d, id=%d, " + "physdsk %d \n", ioc->name, ev->channel, + ev->id, ev->phys_disk_num); + vtarget->id = ev->phys_disk_num; + vtarget->tflags |= + MPT_TARGET_FLAGS_RAID_COMPONENT; mptsas_reprobe_target(starget, 1); - break; + phy_info->attached.phys_disk_num = + ev->phys_disk_num; + break; } - - vtarget->deleted = 1; - mptsas_target_reset(ioc, vtarget); } - if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET) + if (phy_info->attached.device_info & + MPI_SAS_DEVICE_INFO_SSP_TARGET) ds = "ssp"; - if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET) + if (phy_info->attached.device_info & + MPI_SAS_DEVICE_INFO_STP_TARGET) ds = "stp"; - if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE) + if (phy_info->attached.device_info & + MPI_SAS_DEVICE_INFO_SATA_DEVICE) ds = "sata"; printk(MYIOC_s_INFO_FMT "removing %s device, channel %d, id %d, phy %d\n", ioc->name, ds, ev->channel, ev->id, phy_info->phy_id); - #ifdef MPT_DEBUG_SAS_WIDE dev_printk(KERN_DEBUG, &port->dev, "delete port (%d)\n", port->port_identifier); @@ -2198,14 +2595,14 @@ mptsas_hotplug_work(struct work_struct *work) */ if (mptsas_sas_device_pg0(ioc, &sas_device, (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << - MPI_SAS_DEVICE_PGAD_FORM_SHIFT), ev->id)) { + MPI_SAS_DEVICE_PGAD_FORM_SHIFT), + (ev->channel << 8) + ev->id)) { dfailprintk((MYIOC_s_ERR_FMT "%s: exit at line=%d\n", ioc->name, __FUNCTION__, __LINE__)); break; } - ssleep(2); __mptsas_discovery_work(ioc); phy_info = mptsas_find_phyinfo_by_sas_address(ioc, @@ -2219,7 +2616,8 @@ mptsas_hotplug_work(struct work_struct *work) } starget = mptsas_get_starget(phy_info); - if (starget) { + if (starget && (!ev->hidden_raid_component)){ + vtarget = starget->hostdata; if (!vtarget) { @@ -2232,9 +2630,15 @@ mptsas_hotplug_work(struct work_struct *work) * Handling RAID components */ if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { - vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; - vtarget->target_id = ev->id; + printk(MYIOC_s_INFO_FMT + "RAID Exposing: channel=%d, id=%d, " + "physdsk %d \n", ioc->name, ev->channel, + ev->id, ev->phys_disk_num); + vtarget->tflags &= + ~MPT_TARGET_FLAGS_RAID_COMPONENT; + vtarget->id = ev->id; mptsas_reprobe_target(starget, 0); + phy_info->attached.phys_disk_num = ~0; } break; } @@ -2243,8 +2647,10 @@ mptsas_hotplug_work(struct work_struct *work) dfailprintk((MYIOC_s_ERR_FMT "%s: exit at line=%d\n", ioc->name, __FUNCTION__, __LINE__)); + if (ev->channel) printk("%d\n", __LINE__); break; } + port = mptsas_get_port(phy_info); if (!port) { dfailprintk((MYIOC_s_ERR_FMT @@ -2252,15 +2658,17 @@ mptsas_hotplug_work(struct work_struct *work) __FUNCTION__, __LINE__)); break; } - memcpy(&phy_info->attached, &sas_device, sizeof(struct mptsas_devinfo)); - if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET) + if (phy_info->attached.device_info & + MPI_SAS_DEVICE_INFO_SSP_TARGET) ds = "ssp"; - if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET) + if (phy_info->attached.device_info & + MPI_SAS_DEVICE_INFO_STP_TARGET) ds = "stp"; - if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE) + if (phy_info->attached.device_info & + MPI_SAS_DEVICE_INFO_SATA_DEVICE) ds = "sata"; printk(MYIOC_s_INFO_FMT @@ -2301,19 +2709,21 @@ mptsas_hotplug_work(struct work_struct *work) break; case MPTSAS_DEL_RAID: sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, - ev->id, 0); + ev->id, 0); if (!sdev) break; printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, ev->id); vdevice = sdev->hostdata; - vdevice->vtarget->deleted = 1; - mptsas_target_reset(ioc, vdevice->vtarget); scsi_remove_device(sdev); scsi_device_put(sdev); mpt_findImVolumes(ioc); break; + case MPTSAS_ADD_INACTIVE_VOLUME: + mptsas_adding_inactive_raid_components(ioc, + ev->channel, ev->id); + break; case MPTSAS_IGNORE_EVENT: default: break; @@ -2321,7 +2731,6 @@ mptsas_hotplug_work(struct work_struct *work) mutex_unlock(&ioc->sas_discovery_mutex); kfree(ev); - } static void @@ -2339,8 +2748,12 @@ mptsas_send_sas_event(MPT_ADAPTER *ioc, return; switch (sas_event_data->ReasonCode) { - case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: + + mptsas_target_reset_queue(ioc, sas_event_data); + break; + + case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: ev = kzalloc(sizeof(*ev), GFP_ATOMIC); if (!ev) { printk(KERN_WARNING "mptsas: lost hotplug event\n"); @@ -2375,15 +2788,20 @@ mptsas_send_sas_event(MPT_ADAPTER *ioc, mptsas_persist_clear_table); schedule_work(&ioc->sas_persist_task); break; + /* + * TODO, handle other events + */ case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: - /* TODO */ + case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: - /* TODO */ + case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: + case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: + case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: + case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: default: break; } } - static void mptsas_send_raid_event(MPT_ADAPTER *ioc, EVENT_DATA_RAID *raid_event_data) @@ -2404,31 +2822,36 @@ mptsas_send_raid_event(MPT_ADAPTER *ioc, INIT_WORK(&ev->work, mptsas_hotplug_work); ev->ioc = ioc; ev->id = raid_event_data->VolumeID; + ev->channel = raid_event_data->VolumeBus; ev->event_type = MPTSAS_IGNORE_EVENT; switch (raid_event_data->ReasonCode) { case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: + ev->phys_disk_num_valid = 1; + ev->phys_disk_num = raid_event_data->PhysDiskNum; ev->event_type = MPTSAS_ADD_DEVICE; break; case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: - ioc->raid_data.isRaid = 1; ev->phys_disk_num_valid = 1; ev->phys_disk_num = raid_event_data->PhysDiskNum; + ev->hidden_raid_component = 1; ev->event_type = MPTSAS_DEL_DEVICE; break; case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: switch (state) { case MPI_PD_STATE_ONLINE: - ioc->raid_data.isRaid = 1; + case MPI_PD_STATE_NOT_COMPATIBLE: ev->phys_disk_num_valid = 1; ev->phys_disk_num = raid_event_data->PhysDiskNum; + ev->hidden_raid_component = 1; ev->event_type = MPTSAS_ADD_DEVICE; break; case MPI_PD_STATE_MISSING: - case MPI_PD_STATE_NOT_COMPATIBLE: case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST: case MPI_PD_STATE_FAILED_AT_HOST_REQUEST: case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON: + ev->phys_disk_num_valid = 1; + ev->phys_disk_num = raid_event_data->PhysDiskNum; ev->event_type = MPTSAS_DEL_DEVICE; break; default: @@ -2485,6 +2908,35 @@ mptsas_send_discovery_event(MPT_ADAPTER *ioc, schedule_work(&ev->work); }; +/* + * mptsas_send_ir2_event - handle exposing hidden disk when + * an inactive raid volume is added + * + * @ioc: Pointer to MPT_ADAPTER structure + * @ir2_data + * + */ +static void +mptsas_send_ir2_event(MPT_ADAPTER *ioc, PTR_MPI_EVENT_DATA_IR2 ir2_data) +{ + struct mptsas_hotplug_event *ev; + + if (ir2_data->ReasonCode != + MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED) + return; + + ev = kzalloc(sizeof(*ev), GFP_ATOMIC); + if (!ev) + return; + + INIT_WORK(&ev->work, mptsas_hotplug_work); + ev->ioc = ioc; + ev->id = ir2_data->TargetID; + ev->channel = ir2_data->Bus; + ev->event_type = MPTSAS_ADD_INACTIVE_VOLUME; + + schedule_work(&ev->work); +}; static int mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) @@ -2524,6 +2976,10 @@ mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) mptsas_send_discovery_event(ioc, (EVENT_DATA_SAS_DISCOVERY *)reply->Data); break; + case MPI_EVENT_IR2: + mptsas_send_ir2_event(ioc, + (PTR_MPI_EVENT_DATA_IR2)reply->Data); + break; default: rc = mptscsih_event_process(ioc, reply); break; @@ -2611,12 +3067,11 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* set 16 byte cdb's */ sh->max_cmd_len = 16; - sh->max_id = ioc->pfacts->MaxDevices + 1; + sh->max_id = ioc->pfacts[0].PortSCSIID; + sh->max_lun = max_lun; sh->transportt = mptsas_transport_template; - sh->max_lun = MPT_LAST_LUN + 1; - sh->max_channel = 0; sh->this_id = ioc->pfacts[0].PortSCSIID; /* Required entry. @@ -2659,8 +3114,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) sh->sg_tablesize = numSGE; } - spin_unlock_irqrestore(&ioc->FreeQlock, flags); - hd = (MPT_SCSI_HOST *) sh->hostdata; hd->ioc = ioc; @@ -2676,19 +3129,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n", ioc->name, hd->ScsiLookup)); - /* Allocate memory for the device structures. - * A non-Null pointer at an offset - * indicates a device exists. - * max_id = 1 + maximum id (hosts.h) - */ - hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC); - if (!hd->Targets) { - error = -ENOMEM; - goto out_mptsas_probe; - } - - dprintk((KERN_INFO " vtarget @ %p\n", hd->Targets)); - /* Clear the TM flags */ hd->tmPending = 0; @@ -2713,15 +3153,17 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->sas_data.ptClear = mpt_pt_clear; + init_waitqueue_head(&hd->scandv_waitq); + hd->scandv_wait_done = 0; + hd->last_queue_full = 0; + INIT_LIST_HEAD(&hd->target_reset_list); + spin_unlock_irqrestore(&ioc->FreeQlock, flags); + if (ioc->sas_data.ptClear==1) { mptbase_sas_persist_operation( ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); } - init_waitqueue_head(&hd->scandv_waitq); - hd->scandv_wait_done = 0; - hd->last_queue_full = 0; - error = scsi_add_host(sh, &ioc->pcidev->dev); if (error) { dprintk((KERN_ERR MYNAM @@ -2745,7 +3187,7 @@ static void __devexit mptsas_remove(struct pci_dev *pdev) struct mptsas_portinfo *p, *n; int i; - ioc->sas_discovery_ignore_events=1; + ioc->sas_discovery_ignore_events = 1; sas_remove_host(ioc->sh); mutex_lock(&ioc->sas_topology_mutex); @@ -2800,7 +3242,7 @@ mptsas_init(void) return -ENODEV; mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER); - mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER); + mptsasTaskCtx = mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER); mptsasInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER); mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER); @@ -2810,7 +3252,7 @@ mptsas_init(void) ": Registered for IOC event notifications\n")); } - if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) { + if (mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset) == 0) { dprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n")); } |