diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_os.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 550 |
1 files changed, 476 insertions, 74 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index bfa1165e23b6..f77ee4051b00 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -40,6 +40,8 @@ static void mpi3mr_send_event_ack(struct mpi3mr_ioc *mrioc, u8 event, #define MPI3MR_DRIVER_EVENT_TG_QD_REDUCTION (0xFFFF) +#define MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH (0xFFFE) + /** * mpi3mr_host_tag_for_scmd - Get host tag for a scmd * @mrioc: Adapter instance reference @@ -422,6 +424,8 @@ void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc) tgt_priv->io_throttle_enabled = 0; tgt_priv->io_divert = 0; tgt_priv->throttle_group = NULL; + if (tgtdev->host_exposed) + atomic_set(&tgt_priv->block_io, 1); } } } @@ -579,6 +583,39 @@ void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc) } /** + * mpi3mr_flush_cmds_for_unrecovered_controller - Flush all pending cmds + * @mrioc: Adapter instance reference + * + * This function waits for currently running IO poll threads to + * exit and then flushes all host I/Os and any internal pending + * cmds. This is executed after controller is marked as + * unrecoverable. + * + * Return: Nothing. + */ +void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc) +{ + struct Scsi_Host *shost = mrioc->shost; + int i; + + if (!mrioc->unrecoverable) + return; + + if (mrioc->op_reply_qinfo) { + for (i = 0; i < mrioc->num_queues; i++) { + while (atomic_read(&mrioc->op_reply_qinfo[i].in_use)) + udelay(500); + atomic_set(&mrioc->op_reply_qinfo[i].pend_ios, 0); + } + } + mrioc->flush_io_count = 0; + blk_mq_tagset_busy_iter(&shost->tag_set, + mpi3mr_flush_scmd, (void *)mrioc); + mpi3mr_flush_delayed_cmd_lists(mrioc); + mpi3mr_flush_drv_cmds(mrioc); +} + +/** * mpi3mr_alloc_tgtdev - target device allocator * * Allocate target device instance and initialize the reference @@ -796,7 +833,7 @@ static void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_ioc *mrioc, * * Return: None. */ -static void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc, +void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc, bool device_add) { ioc_notice(mrioc, "Device %s was in progress before the reset and\n", @@ -816,7 +853,7 @@ static void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc, * * Return: 0 on success, non zero on failure. */ -static void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc, +void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc, struct mpi3mr_tgt_dev *tgtdev) { struct mpi3mr_stgt_priv_data *tgt_priv; @@ -825,22 +862,29 @@ static void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc, __func__, tgtdev->dev_handle, (unsigned long long)tgtdev->wwid); if (tgtdev->starget && tgtdev->starget->hostdata) { tgt_priv = tgtdev->starget->hostdata; + atomic_set(&tgt_priv->block_io, 0); tgt_priv->dev_handle = MPI3MR_INVALID_DEV_HANDLE; } - if (tgtdev->starget) { - if (mrioc->current_event) - mrioc->current_event->pending_at_sml = 1; - scsi_remove_target(&tgtdev->starget->dev); - tgtdev->host_exposed = 0; - if (mrioc->current_event) { - mrioc->current_event->pending_at_sml = 0; - if (mrioc->current_event->discard) { - mpi3mr_print_device_event_notice(mrioc, false); - return; + if (!mrioc->sas_transport_enabled || (tgtdev->dev_type != + MPI3_DEVICE_DEVFORM_SAS_SATA) || tgtdev->non_stl) { + if (tgtdev->starget) { + if (mrioc->current_event) + mrioc->current_event->pending_at_sml = 1; + scsi_remove_target(&tgtdev->starget->dev); + tgtdev->host_exposed = 0; + if (mrioc->current_event) { + mrioc->current_event->pending_at_sml = 0; + if (mrioc->current_event->discard) { + mpi3mr_print_device_event_notice(mrioc, + false); + return; + } } } - } + } else + mpi3mr_remove_tgtdev_from_sas_transport(mrioc, tgtdev); + ioc_info(mrioc, "%s :Removed handle(0x%04x), wwid(0x%016llx)\n", __func__, tgtdev->dev_handle, (unsigned long long)tgtdev->wwid); } @@ -862,21 +906,25 @@ static int mpi3mr_report_tgtdev_to_host(struct mpi3mr_ioc *mrioc, int retval = 0; struct mpi3mr_tgt_dev *tgtdev; + if (mrioc->reset_in_progress) + return -1; + tgtdev = mpi3mr_get_tgtdev_by_perst_id(mrioc, perst_id); if (!tgtdev) { retval = -1; goto out; } - if (tgtdev->is_hidden) { + if (tgtdev->is_hidden || tgtdev->host_exposed) { retval = -1; goto out; } - if (!tgtdev->host_exposed && !mrioc->reset_in_progress) { + if (!mrioc->sas_transport_enabled || (tgtdev->dev_type != + MPI3_DEVICE_DEVFORM_SAS_SATA) || tgtdev->non_stl){ tgtdev->host_exposed = 1; if (mrioc->current_event) mrioc->current_event->pending_at_sml = 1; - scsi_scan_target(&mrioc->shost->shost_gendev, 0, - tgtdev->perst_id, + scsi_scan_target(&mrioc->shost->shost_gendev, + mrioc->scsi_device_channel, tgtdev->perst_id, SCAN_WILD_CARD, SCSI_SCAN_INITIAL); if (!tgtdev->starget) tgtdev->host_exposed = 0; @@ -887,7 +935,8 @@ static int mpi3mr_report_tgtdev_to_host(struct mpi3mr_ioc *mrioc, goto out; } } - } + } else + mpi3mr_report_tgtdev_to_sas_transport(mrioc, tgtdev); out: if (tgtdev) mpi3mr_tgtdev_put(tgtdev); @@ -1018,18 +1067,29 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, { u16 flags = 0; struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data = NULL; + struct mpi3mr_enclosure_node *enclosure_dev = NULL; u8 prot_mask = 0; tgtdev->perst_id = le16_to_cpu(dev_pg0->persistent_id); tgtdev->dev_handle = le16_to_cpu(dev_pg0->dev_handle); tgtdev->dev_type = dev_pg0->device_form; + tgtdev->io_unit_port = dev_pg0->io_unit_port; tgtdev->encl_handle = le16_to_cpu(dev_pg0->enclosure_handle); tgtdev->parent_handle = le16_to_cpu(dev_pg0->parent_dev_handle); tgtdev->slot = le16_to_cpu(dev_pg0->slot); tgtdev->q_depth = le16_to_cpu(dev_pg0->queue_depth); tgtdev->wwid = le64_to_cpu(dev_pg0->wwid); + tgtdev->devpg0_flag = le16_to_cpu(dev_pg0->flags); + + if (tgtdev->encl_handle) + enclosure_dev = mpi3mr_enclosure_find_by_handle(mrioc, + tgtdev->encl_handle); + if (enclosure_dev) + tgtdev->enclosure_logical_id = le64_to_cpu( + enclosure_dev->pg0.enclosure_logical_id); + + flags = tgtdev->devpg0_flag; - flags = le16_to_cpu(dev_pg0->flags); tgtdev->is_hidden = (flags & MPI3_DEVICE0_FLAGS_HIDDEN); if (is_added == true) @@ -1045,6 +1105,8 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, scsi_tgt_priv_data->dev_type = tgtdev->dev_type; scsi_tgt_priv_data->io_throttle_enabled = tgtdev->io_throttle_enabled; + if (is_added == true) + atomic_set(&scsi_tgt_priv_data->block_io, 0); } switch (dev_pg0->access_status) { @@ -1068,12 +1130,25 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, tgtdev->dev_spec.sas_sata_inf.dev_info = dev_info; tgtdev->dev_spec.sas_sata_inf.sas_address = le64_to_cpu(sasinf->sas_address); + tgtdev->dev_spec.sas_sata_inf.phy_id = sasinf->phy_num; + tgtdev->dev_spec.sas_sata_inf.attached_phy_id = + sasinf->attached_phy_identifier; if ((dev_info & MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_MASK) != MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_END_DEVICE) tgtdev->is_hidden = 1; else if (!(dev_info & (MPI3_SAS_DEVICE_INFO_STP_SATA_TARGET | MPI3_SAS_DEVICE_INFO_SSP_TARGET))) tgtdev->is_hidden = 1; + + if (((tgtdev->devpg0_flag & + MPI3_DEVICE0_FLAGS_ATT_METHOD_DIR_ATTACHED) + && (tgtdev->devpg0_flag & + MPI3_DEVICE0_FLAGS_ATT_METHOD_VIRTUAL)) || + (tgtdev->parent_handle == 0xFFFF)) + tgtdev->non_stl = 1; + if (tgtdev->dev_spec.sas_sata_inf.hba_port) + tgtdev->dev_spec.sas_sata_inf.hba_port->port_id = + dev_pg0->io_unit_port; break; } case MPI3_DEVICE_DEVFORM_PCIE: @@ -1106,6 +1181,7 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, ((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) != MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_SCSI_DEVICE)) tgtdev->is_hidden = 1; + tgtdev->non_stl = 1; if (!mrioc->shost) break; prot_mask = scsi_host_get_prot(mrioc->shost); @@ -1129,6 +1205,7 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc, tgtdev->dev_spec.vd_inf.state = vdinf->vd_state; if (vdinf->vd_state == MPI3_DEVICE0_VD_STATE_OFFLINE) tgtdev->is_hidden = 1; + tgtdev->non_stl = 1; tgtdev->dev_spec.vd_inf.tg_id = vdinf_io_throttle_group; tgtdev->dev_spec.vd_inf.tg_high = le16_to_cpu(vdinf->io_throttle_group_high) * 2048; @@ -1258,6 +1335,135 @@ out: } /** + * mpi3mr_free_enclosure_list - release enclosures + * @mrioc: Adapter instance reference + * + * Free memory allocated during encloure add. + * + * Return nothing. + */ +void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc) +{ + struct mpi3mr_enclosure_node *enclosure_dev, *enclosure_dev_next; + + list_for_each_entry_safe(enclosure_dev, + enclosure_dev_next, &mrioc->enclosure_list, list) { + list_del(&enclosure_dev->list); + kfree(enclosure_dev); + } +} + +/** + * mpi3mr_enclosure_find_by_handle - enclosure search by handle + * @mrioc: Adapter instance reference + * @handle: Firmware device handle of the enclosure + * + * This searches for enclosure device based on handle, then returns the + * enclosure object. + * + * Return: Enclosure object reference or NULL + */ +struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle( + struct mpi3mr_ioc *mrioc, u16 handle) +{ + struct mpi3mr_enclosure_node *enclosure_dev, *r = NULL; + + list_for_each_entry(enclosure_dev, &mrioc->enclosure_list, list) { + if (le16_to_cpu(enclosure_dev->pg0.enclosure_handle) != handle) + continue; + r = enclosure_dev; + goto out; + } +out: + return r; +} + +/** + * mpi3mr_encldev_add_chg_evt_debug - debug for enclosure event + * @mrioc: Adapter instance reference + * @encl_pg0: Enclosure page 0. + * @is_added: Added event or not + * + * Return nothing. + */ +static void mpi3mr_encldev_add_chg_evt_debug(struct mpi3mr_ioc *mrioc, + struct mpi3_enclosure_page0 *encl_pg0, u8 is_added) +{ + char *reason_str = NULL; + + if (!(mrioc->logging_level & MPI3_DEBUG_EVENT_WORK_TASK)) + return; + + if (is_added) + reason_str = "enclosure added"; + else + reason_str = "enclosure dev status changed"; + + ioc_info(mrioc, + "%s: handle(0x%04x), enclosure logical id(0x%016llx)\n", + reason_str, le16_to_cpu(encl_pg0->enclosure_handle), + (unsigned long long)le64_to_cpu(encl_pg0->enclosure_logical_id)); + ioc_info(mrioc, + "number of slots(%d), port(%d), flags(0x%04x), present(%d)\n", + le16_to_cpu(encl_pg0->num_slots), encl_pg0->io_unit_port, + le16_to_cpu(encl_pg0->flags), + ((le16_to_cpu(encl_pg0->flags) & + MPI3_ENCLS0_FLAGS_ENCL_DEV_PRESENT_MASK) >> 4)); +} + +/** + * mpi3mr_encldev_add_chg_evt_bh - Enclosure evt bottomhalf + * @mrioc: Adapter instance reference + * @fwevt: Firmware event reference + * + * Prints information about the Enclosure device status or + * Enclosure add events if logging is enabled and add or remove + * the enclosure from the controller's internal list of + * enclosures. + * + * Return: Nothing. + */ +static void mpi3mr_encldev_add_chg_evt_bh(struct mpi3mr_ioc *mrioc, + struct mpi3mr_fwevt *fwevt) +{ + struct mpi3mr_enclosure_node *enclosure_dev = NULL; + struct mpi3_enclosure_page0 *encl_pg0; + u16 encl_handle; + u8 added, present; + + encl_pg0 = (struct mpi3_enclosure_page0 *) fwevt->event_data; + added = (fwevt->event_id == MPI3_EVENT_ENCL_DEVICE_ADDED) ? 1 : 0; + mpi3mr_encldev_add_chg_evt_debug(mrioc, encl_pg0, added); + + + encl_handle = le16_to_cpu(encl_pg0->enclosure_handle); + present = ((le16_to_cpu(encl_pg0->flags) & + MPI3_ENCLS0_FLAGS_ENCL_DEV_PRESENT_MASK) >> 4); + + if (encl_handle) + enclosure_dev = mpi3mr_enclosure_find_by_handle(mrioc, + encl_handle); + if (!enclosure_dev && present) { + enclosure_dev = + kzalloc(sizeof(struct mpi3mr_enclosure_node), + GFP_KERNEL); + if (!enclosure_dev) + return; + list_add_tail(&enclosure_dev->list, + &mrioc->enclosure_list); + } + if (enclosure_dev) { + if (!present) { + list_del(&enclosure_dev->list); + kfree(enclosure_dev); + } else + memcpy(&enclosure_dev->pg0, encl_pg0, + sizeof(enclosure_dev->pg0)); + + } +} + +/** * mpi3mr_sastopochg_evt_debug - SASTopoChange details * @mrioc: Adapter instance reference * @event_data: SAS topology change list event data @@ -1296,8 +1502,9 @@ mpi3mr_sastopochg_evt_debug(struct mpi3mr_ioc *mrioc, ioc_info(mrioc, "%s :sas topology change: (%s)\n", __func__, status_str); ioc_info(mrioc, - "%s :\texpander_handle(0x%04x), enclosure_handle(0x%04x) start_phy(%02d), num_entries(%d)\n", + "%s :\texpander_handle(0x%04x), port(%d), enclosure_handle(0x%04x) start_phy(%02d), num_entries(%d)\n", __func__, le16_to_cpu(event_data->expander_dev_handle), + event_data->io_unit_port, le16_to_cpu(event_data->enclosure_handle), event_data->start_phy_num, event_data->num_entries); for (i = 0; i < event_data->num_entries; i++) { @@ -1355,9 +1562,30 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc, int i; u16 handle; u8 reason_code; + u64 exp_sas_address = 0, parent_sas_address = 0; + struct mpi3mr_hba_port *hba_port = NULL; struct mpi3mr_tgt_dev *tgtdev = NULL; + struct mpi3mr_sas_node *sas_expander = NULL; + unsigned long flags; + u8 link_rate, prev_link_rate, parent_phy_number; mpi3mr_sastopochg_evt_debug(mrioc, event_data); + if (mrioc->sas_transport_enabled) { + hba_port = mpi3mr_get_hba_port_by_id(mrioc, + event_data->io_unit_port); + if (le16_to_cpu(event_data->expander_dev_handle)) { + spin_lock_irqsave(&mrioc->sas_node_lock, flags); + sas_expander = __mpi3mr_expander_find_by_handle(mrioc, + le16_to_cpu(event_data->expander_dev_handle)); + if (sas_expander) { + exp_sas_address = sas_expander->sas_address; + hba_port = sas_expander->hba_port; + } + spin_unlock_irqrestore(&mrioc->sas_node_lock, flags); + parent_sas_address = exp_sas_address; + } else + parent_sas_address = mrioc->sas_hba.sas_address; + } for (i = 0; i < event_data->num_entries; i++) { if (fwevt->discard) @@ -1379,12 +1607,37 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc, mpi3mr_tgtdev_del_from_list(mrioc, tgtdev); mpi3mr_tgtdev_put(tgtdev); break; + case MPI3_EVENT_SAS_TOPO_PHY_RC_RESPONDING: + case MPI3_EVENT_SAS_TOPO_PHY_RC_PHY_CHANGED: + case MPI3_EVENT_SAS_TOPO_PHY_RC_NO_CHANGE: + { + if (!mrioc->sas_transport_enabled || tgtdev->non_stl + || tgtdev->is_hidden) + break; + link_rate = event_data->phy_entry[i].link_rate >> 4; + prev_link_rate = event_data->phy_entry[i].link_rate & 0xF; + if (link_rate == prev_link_rate) + break; + if (!parent_sas_address) + break; + parent_phy_number = event_data->start_phy_num + i; + mpi3mr_update_links(mrioc, parent_sas_address, handle, + parent_phy_number, link_rate, hba_port); + break; + } default: break; } if (tgtdev) mpi3mr_tgtdev_put(tgtdev); } + + if (mrioc->sas_transport_enabled && (event_data->exp_status == + MPI3_EVENT_SAS_TOPO_ES_NOT_RESPONDING)) { + if (sas_expander) + mpi3mr_expander_remove(mrioc, exp_sas_address, + hba_port); + } } /** @@ -1604,28 +1857,54 @@ static void mpi3mr_set_qd_for_all_vd_in_tg(struct mpi3mr_ioc *mrioc, static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, struct mpi3mr_fwevt *fwevt) { + struct mpi3_device_page0 *dev_pg0 = NULL; + u16 perst_id, handle, dev_info; + struct mpi3_device0_sas_sata_format *sasinf = NULL; + mpi3mr_fwevt_del_from_list(mrioc, fwevt); mrioc->current_event = fwevt; if (mrioc->stop_drv_processing) goto out; + if (mrioc->unrecoverable) { + dprint_event_bh(mrioc, + "ignoring event(0x%02x) in bottom half handler due to unrecoverable controller\n", + fwevt->event_id); + goto out; + } + if (!fwevt->process_evt) goto evt_ack; switch (fwevt->event_id) { case MPI3_EVENT_DEVICE_ADDED: { - struct mpi3_device_page0 *dev_pg0 = - (struct mpi3_device_page0 *)fwevt->event_data; - mpi3mr_report_tgtdev_to_host(mrioc, - le16_to_cpu(dev_pg0->persistent_id)); + dev_pg0 = (struct mpi3_device_page0 *)fwevt->event_data; + perst_id = le16_to_cpu(dev_pg0->persistent_id); + handle = le16_to_cpu(dev_pg0->dev_handle); + if (perst_id != MPI3_DEVICE0_PERSISTENTID_INVALID) + mpi3mr_report_tgtdev_to_host(mrioc, perst_id); + else if (mrioc->sas_transport_enabled && + (dev_pg0->device_form == MPI3_DEVICE_DEVFORM_SAS_SATA)) { + sasinf = &dev_pg0->device_specific.sas_sata_format; + dev_info = le16_to_cpu(sasinf->device_info); + if (!mrioc->sas_hba.num_phys) + mpi3mr_sas_host_add(mrioc); + else + mpi3mr_sas_host_refresh(mrioc); + + if (mpi3mr_is_expander_device(dev_info)) + mpi3mr_expander_add(mrioc, handle); + } break; } case MPI3_EVENT_DEVICE_INFO_CHANGED: { - mpi3mr_devinfochg_evt_bh(mrioc, - (struct mpi3_device_page0 *)fwevt->event_data); + dev_pg0 = (struct mpi3_device_page0 *)fwevt->event_data; + perst_id = le16_to_cpu(dev_pg0->persistent_id); + if (perst_id != MPI3_DEVICE0_PERSISTENTID_INVALID) + mpi3mr_devinfochg_evt_bh(mrioc, dev_pg0); break; } case MPI3_EVENT_DEVICE_STATUS_CHANGE: @@ -1633,6 +1912,13 @@ static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, mpi3mr_devstatuschg_evt_bh(mrioc, fwevt); break; } + case MPI3_EVENT_ENCL_DEVICE_ADDED: + case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE: + { + mpi3mr_encldev_add_chg_evt_bh(mrioc, fwevt); + break; + } + case MPI3_EVENT_SAS_TOPOLOGY_CHANGE_LIST: { mpi3mr_sastopochg_evt_bh(mrioc, fwevt); @@ -1662,6 +1948,22 @@ static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, } break; } + case MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH: + { + while (mrioc->device_refresh_on) + msleep(500); + + dprint_event_bh(mrioc, + "scan for non responding and newly added devices after soft reset started\n"); + if (mrioc->sas_transport_enabled) { + mpi3mr_refresh_sas_ports(mrioc); + mpi3mr_refresh_expanders(mrioc); + } + mpi3mr_rfresh_tgtdevs(mrioc); + ioc_info(mrioc, + "scan for non responding and newly added devices after soft reset completed\n"); + break; + } default: break; } @@ -1716,6 +2018,9 @@ static int mpi3mr_create_tgtdev(struct mpi3mr_ioc *mrioc, u16 perst_id = 0; perst_id = le16_to_cpu(dev_pg0->persistent_id); + if (perst_id == MPI3_DEVICE0_PERSISTENTID_INVALID) + return retval; + tgtdev = mpi3mr_get_tgtdev_by_perst_id(mrioc, perst_id); if (tgtdev) { mpi3mr_update_tgtdev(mrioc, tgtdev, dev_pg0, true); @@ -2429,6 +2734,35 @@ static void mpi3mr_cablemgmt_evt_th(struct mpi3mr_ioc *mrioc, } /** + * mpi3mr_add_event_wait_for_device_refresh - Add Wait for Device Refresh Event + * @mrioc: Adapter instance reference + * + * Add driver specific event to make sure that the driver won't process the + * events until all the devices are refreshed during soft reset. + * + * Return: Nothing + */ +void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc) +{ + struct mpi3mr_fwevt *fwevt = NULL; + + fwevt = mpi3mr_alloc_fwevt(0); + if (!fwevt) { + dprint_event_th(mrioc, + "failed to schedule bottom half handler for event(0x%02x)\n", + MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH); + return; + } + fwevt->mrioc = mrioc; + fwevt->event_id = MPI3_EVENT_WAIT_FOR_DEVICES_TO_REFRESH; + fwevt->send_ack = 0; + fwevt->process_evt = 1; + fwevt->evt_ctx = 0; + fwevt->event_data_size = 0; + mpi3mr_fwevt_add_to_list(mrioc, fwevt); +} + +/** * mpi3mr_os_handle_events - Firmware event handler * @mrioc: Adapter instance reference * @event_reply: event data @@ -2494,6 +2828,8 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc, } case MPI3_EVENT_DEVICE_INFO_CHANGED: case MPI3_EVENT_LOG_DATA: + case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE: + case MPI3_EVENT_ENCL_DEVICE_ADDED: { process_evt_bh = 1; break; @@ -2508,7 +2844,6 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc, mpi3mr_cablemgmt_evt_th(mrioc, event_reply); break; } - case MPI3_EVENT_ENCL_DEVICE_STATUS_CHANGE: case MPI3_EVENT_SAS_DISCOVERY: case MPI3_EVENT_SAS_DEVICE_DISCOVERY_ERROR: case MPI3_EVENT_SAS_BROADCAST_PRIMITIVE: @@ -3464,7 +3799,7 @@ static int mpi3mr_bios_param(struct scsi_device *sdev, * * Return: return zero. */ -static int mpi3mr_map_queues(struct Scsi_Host *shost) +static void mpi3mr_map_queues(struct Scsi_Host *shost) { struct mpi3mr_ioc *mrioc = shost_priv(shost); int i, qoff, offset; @@ -3500,9 +3835,6 @@ static int mpi3mr_map_queues(struct Scsi_Host *shost) qoff += map->nr_queues; offset += map->nr_queues; } - - return 0; - } /** @@ -3852,9 +4184,10 @@ static void mpi3mr_slave_destroy(struct scsi_device *sdev) struct Scsi_Host *shost; struct mpi3mr_ioc *mrioc; struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data; - struct mpi3mr_tgt_dev *tgt_dev; + struct mpi3mr_tgt_dev *tgt_dev = NULL; unsigned long flags; struct scsi_target *starget; + struct sas_rphy *rphy = NULL; if (!sdev->hostdata) return; @@ -3867,7 +4200,14 @@ static void mpi3mr_slave_destroy(struct scsi_device *sdev) scsi_tgt_priv_data->num_luns--; spin_lock_irqsave(&mrioc->tgtdev_lock, flags); - tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + if (starget->channel == mrioc->scsi_device_channel) + tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + else if (mrioc->sas_transport_enabled && !starget->channel) { + rphy = dev_to_rphy(starget->dev.parent); + tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc, + rphy->identify.sas_address, rphy); + } + if (tgt_dev && (!scsi_tgt_priv_data->num_luns)) tgt_dev->starget = NULL; if (tgt_dev) @@ -3932,16 +4272,23 @@ static int mpi3mr_slave_configure(struct scsi_device *sdev) struct scsi_target *starget; struct Scsi_Host *shost; struct mpi3mr_ioc *mrioc; - struct mpi3mr_tgt_dev *tgt_dev; + struct mpi3mr_tgt_dev *tgt_dev = NULL; unsigned long flags; int retval = 0; + struct sas_rphy *rphy = NULL; starget = scsi_target(sdev); shost = dev_to_shost(&starget->dev); mrioc = shost_priv(shost); spin_lock_irqsave(&mrioc->tgtdev_lock, flags); - tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + if (starget->channel == mrioc->scsi_device_channel) + tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + else if (mrioc->sas_transport_enabled && !starget->channel) { + rphy = dev_to_rphy(starget->dev.parent); + tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc, + rphy->identify.sas_address, rphy); + } spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags); if (!tgt_dev) return -ENXIO; @@ -3989,11 +4336,12 @@ static int mpi3mr_slave_alloc(struct scsi_device *sdev) struct Scsi_Host *shost; struct mpi3mr_ioc *mrioc; struct mpi3mr_stgt_priv_data *scsi_tgt_priv_data; - struct mpi3mr_tgt_dev *tgt_dev; + struct mpi3mr_tgt_dev *tgt_dev = NULL; struct mpi3mr_sdev_priv_data *scsi_dev_priv_data; unsigned long flags; struct scsi_target *starget; int retval = 0; + struct sas_rphy *rphy = NULL; starget = scsi_target(sdev); shost = dev_to_shost(&starget->dev); @@ -4001,7 +4349,14 @@ static int mpi3mr_slave_alloc(struct scsi_device *sdev) scsi_tgt_priv_data = starget->hostdata; spin_lock_irqsave(&mrioc->tgtdev_lock, flags); - tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + + if (starget->channel == mrioc->scsi_device_channel) + tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + else if (mrioc->sas_transport_enabled && !starget->channel) { + rphy = dev_to_rphy(starget->dev.parent); + tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc, + rphy->identify.sas_address, rphy); + } if (tgt_dev) { if (tgt_dev->starget == NULL) @@ -4044,6 +4399,8 @@ static int mpi3mr_target_alloc(struct scsi_target *starget) struct mpi3mr_tgt_dev *tgt_dev; unsigned long flags; int retval = 0; + struct sas_rphy *rphy = NULL; + bool update_stgt_priv_data = false; scsi_tgt_priv_data = kzalloc(sizeof(*scsi_tgt_priv_data), GFP_KERNEL); if (!scsi_tgt_priv_data) @@ -4052,8 +4409,25 @@ static int mpi3mr_target_alloc(struct scsi_target *starget) starget->hostdata = scsi_tgt_priv_data; spin_lock_irqsave(&mrioc->tgtdev_lock, flags); - tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); - if (tgt_dev && !tgt_dev->is_hidden) { + + if (starget->channel == mrioc->scsi_device_channel) { + tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id); + if (tgt_dev && !tgt_dev->is_hidden) + update_stgt_priv_data = true; + else + retval = -ENXIO; + } else if (mrioc->sas_transport_enabled && !starget->channel) { + rphy = dev_to_rphy(starget->dev.parent); + tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc, + rphy->identify.sas_address, rphy); + if (tgt_dev && !tgt_dev->is_hidden && !tgt_dev->non_stl && + (tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_SAS_SATA)) + update_stgt_priv_data = true; + else + retval = -ENXIO; + } + + if (update_stgt_priv_data) { scsi_tgt_priv_data->starget = starget; scsi_tgt_priv_data->dev_handle = tgt_dev->dev_handle; scsi_tgt_priv_data->perst_id = tgt_dev->perst_id; @@ -4067,8 +4441,7 @@ static int mpi3mr_target_alloc(struct scsi_target *starget) if (tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_VD) scsi_tgt_priv_data->throttle_group = tgt_dev->dev_spec.vd_inf.tg; - } else - retval = -ENXIO; + } spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags); return retval; @@ -4257,6 +4630,16 @@ static int mpi3mr_qcmd(struct Scsi_Host *shost, stgt_priv_data = sdev_priv_data->tgt_priv_data; + if (atomic_read(&stgt_priv_data->block_io)) { + if (mrioc->stop_drv_processing) { + scmd->result = DID_NO_CONNECT << 16; + scsi_done(scmd); + goto out; + } + retval = SCSI_MLQUEUE_DEVICE_BUSY; + goto out; + } + dev_handle = stgt_priv_data->dev_handle; if (dev_handle == MPI3MR_INVALID_DEV_HANDLE) { scmd->result = DID_NO_CONNECT << 16; @@ -4269,16 +4652,6 @@ static int mpi3mr_qcmd(struct Scsi_Host *shost, goto out; } - if (atomic_read(&stgt_priv_data->block_io)) { - if (mrioc->stop_drv_processing) { - scmd->result = DID_NO_CONNECT << 16; - scsi_done(scmd); - goto out; - } - retval = SCSI_MLQUEUE_DEVICE_BUSY; - goto out; - } - if (stgt_priv_data->dev_type == MPI3_DEVICE_DEVFORM_PCIE) is_pcie_dev = 1; if ((scmd->cmnd[0] == UNMAP) && is_pcie_dev && @@ -4556,16 +4929,23 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&mrioc->tgtdev_lock); spin_lock_init(&mrioc->watchdog_lock); spin_lock_init(&mrioc->chain_buf_lock); + spin_lock_init(&mrioc->sas_node_lock); INIT_LIST_HEAD(&mrioc->fwevt_list); INIT_LIST_HEAD(&mrioc->tgtdev_list); INIT_LIST_HEAD(&mrioc->delayed_rmhs_list); INIT_LIST_HEAD(&mrioc->delayed_evtack_cmds_list); + INIT_LIST_HEAD(&mrioc->sas_expander_list); + INIT_LIST_HEAD(&mrioc->hba_port_table_list); + INIT_LIST_HEAD(&mrioc->enclosure_list); mutex_init(&mrioc->reset_mutex); mpi3mr_init_drv_cmd(&mrioc->init_cmds, MPI3MR_HOSTTAG_INITCMDS); mpi3mr_init_drv_cmd(&mrioc->host_tm_cmds, MPI3MR_HOSTTAG_BLK_TMS); mpi3mr_init_drv_cmd(&mrioc->bsg_cmds, MPI3MR_HOSTTAG_BSG_CMDS); + mpi3mr_init_drv_cmd(&mrioc->cfg_cmds, MPI3MR_HOSTTAG_CFG_CMDS); + mpi3mr_init_drv_cmd(&mrioc->transport_cmds, + MPI3MR_HOSTTAG_TRANSPORT_CMDS); for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) mpi3mr_init_drv_cmd(&mrioc->dev_rmhs_cmds[i], @@ -4700,6 +5080,11 @@ static void mpi3mr_remove(struct pci_dev *pdev) while (mrioc->reset_in_progress || mrioc->is_driver_loading) ssleep(1); + if (!pci_device_is_present(mrioc->pdev)) { + mrioc->unrecoverable = 1; + mpi3mr_flush_cmds_for_unrecovered_controller(mrioc); + } + mpi3mr_bsg_exit(mrioc); mrioc->stop_drv_processing = 1; mpi3mr_cleanup_fwevt_list(mrioc); @@ -4709,7 +5094,11 @@ static void mpi3mr_remove(struct pci_dev *pdev) spin_unlock_irqrestore(&mrioc->fwevt_lock, flags); if (wq) destroy_workqueue(wq); - scsi_remove_host(shost); + + if (mrioc->sas_transport_enabled) + sas_remove_host(shost); + else + scsi_remove_host(shost); list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list, list) { @@ -4766,22 +5155,21 @@ static void mpi3mr_shutdown(struct pci_dev *pdev) mpi3mr_cleanup_resources(mrioc); } -#ifdef CONFIG_PM /** * mpi3mr_suspend - PCI power management suspend callback - * @pdev: PCI device instance - * @state: New power state + * @dev: Device struct * * Change the power state to the given value and cleanup the IOC * by issuing MUR and shutdown notification * * Return: 0 always. */ -static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused +mpi3mr_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct Scsi_Host *shost = pci_get_drvdata(pdev); struct mpi3mr_ioc *mrioc; - pci_power_t device_state; if (!shost) return 0; @@ -4795,27 +5183,26 @@ static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) mpi3mr_stop_watchdog(mrioc); mpi3mr_cleanup_ioc(mrioc); - device_state = pci_choose_state(pdev, state); - ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n", - pdev, pci_name(pdev), device_state); - pci_save_state(pdev); + ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state\n", + pdev, pci_name(pdev)); mpi3mr_cleanup_resources(mrioc); - pci_set_power_state(pdev, device_state); return 0; } /** * mpi3mr_resume - PCI power management resume callback - * @pdev: PCI device instance + * @dev: Device struct * * Restore the power state to D0 and reinitialize the controller * and resume I/O operations to the target devices * * Return: 0 on success, non-zero on failure */ -static int mpi3mr_resume(struct pci_dev *pdev) +static int __maybe_unused +mpi3mr_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct Scsi_Host *shost = pci_get_drvdata(pdev); struct mpi3mr_ioc *mrioc; pci_power_t device_state = pdev->current_state; @@ -4828,9 +5215,6 @@ static int mpi3mr_resume(struct pci_dev *pdev) ioc_info(mrioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n", pdev, pci_name(pdev), device_state); - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, PCI_D0, 0); - pci_restore_state(pdev); mrioc->pdev = pdev; mrioc->cpu_count = num_online_cpus(); r = mpi3mr_setup_resources(mrioc); @@ -4841,18 +5225,21 @@ static int mpi3mr_resume(struct pci_dev *pdev) } mrioc->stop_drv_processing = 0; + mpi3mr_invalidate_devhandles(mrioc); + mpi3mr_free_enclosure_list(mrioc); mpi3mr_memset_buffers(mrioc); r = mpi3mr_reinit_ioc(mrioc, 1); if (r) { ioc_err(mrioc, "resuming controller failed[%d]\n", r); return r; } + ssleep(MPI3MR_RESET_TOPOLOGY_SETTLE_TIME); scsi_unblock_requests(shost); + mrioc->device_refresh_on = 0; mpi3mr_start_watchdog(mrioc); return 0; } -#endif static const struct pci_device_id mpi3mr_pci_id_table[] = { { @@ -4863,16 +5250,15 @@ static const struct pci_device_id mpi3mr_pci_id_table[] = { }; MODULE_DEVICE_TABLE(pci, mpi3mr_pci_id_table); +static SIMPLE_DEV_PM_OPS(mpi3mr_pm_ops, mpi3mr_suspend, mpi3mr_resume); + static struct pci_driver mpi3mr_pci_driver = { .name = MPI3MR_DRIVER_NAME, .id_table = mpi3mr_pci_id_table, .probe = mpi3mr_probe, .remove = mpi3mr_remove, .shutdown = mpi3mr_shutdown, -#ifdef CONFIG_PM - .suspend = mpi3mr_suspend, - .resume = mpi3mr_resume, -#endif + .driver.pm = &mpi3mr_pm_ops, }; static ssize_t event_counter_show(struct device_driver *dd, char *buf) @@ -4888,18 +5274,33 @@ static int __init mpi3mr_init(void) pr_info("Loading %s version %s\n", MPI3MR_DRIVER_NAME, MPI3MR_DRIVER_VERSION); + mpi3mr_transport_template = + sas_attach_transport(&mpi3mr_transport_functions); + if (!mpi3mr_transport_template) { + pr_err("%s failed to load due to sas transport attach failure\n", + MPI3MR_DRIVER_NAME); + return -ENODEV; + } + ret_val = pci_register_driver(&mpi3mr_pci_driver); if (ret_val) { pr_err("%s failed to load due to pci register driver failure\n", MPI3MR_DRIVER_NAME); - return ret_val; + goto err_pci_reg_fail; } ret_val = driver_create_file(&mpi3mr_pci_driver.driver, &driver_attr_event_counter); if (ret_val) - pci_unregister_driver(&mpi3mr_pci_driver); + goto err_event_counter; + + return ret_val; + +err_event_counter: + pci_unregister_driver(&mpi3mr_pci_driver); +err_pci_reg_fail: + sas_release_transport(mpi3mr_transport_template); return ret_val; } @@ -4916,6 +5317,7 @@ static void __exit mpi3mr_exit(void) driver_remove_file(&mpi3mr_pci_driver.driver, &driver_attr_event_counter); pci_unregister_driver(&mpi3mr_pci_driver); + sas_release_transport(mpi3mr_transport_template); } module_init(mpi3mr_init); |