Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 294 insertions, 25 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d9afc51af7d3..882744852aac 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -99,6 +99,7 @@ static unsigned int ipr_debug = 0;
 static unsigned int ipr_max_devs = IPR_DEFAULT_SIS64_DEVS;
 static unsigned int ipr_dual_ioa_raid = 1;
 static unsigned int ipr_number_of_msix = 2;
+static unsigned int ipr_fast_reboot;
 static DEFINE_SPINLOCK(ipr_driver_lock);
 
 /* This table describes the differences between DMA controller chips */
@@ -221,6 +222,8 @@ MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. "
 		 "[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]");
 module_param_named(number_of_msix, ipr_number_of_msix, int, 0);
 MODULE_PARM_DESC(number_of_msix, "Specify the number of MSIX interrupts to use on capable adapters (1 - 16).  (default:2)");
+module_param_named(fast_reboot, ipr_fast_reboot, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(fast_reboot, "Skip adapter shutdown during reboot. Set to 1 to enable. (default: 0)");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(IPR_DRIVER_VERSION);
 
@@ -495,6 +498,10 @@ struct ipr_error_table_t ipr_error_table[] = {
 	"4061: Multipath redundancy level got better"},
 	{0x066B9200, 0, IPR_DEFAULT_LOG_LEVEL,
 	"4060: Multipath redundancy level got worse"},
+	{0x06808100, 0, IPR_DEFAULT_LOG_LEVEL,
+	"9083: Device raw mode enabled"},
+	{0x06808200, 0, IPR_DEFAULT_LOG_LEVEL,
+	"9084: Device raw mode disabled"},
 	{0x07270000, 0, 0,
 	"Failure due to other device"},
 	{0x07278000, 0, IPR_DEFAULT_LOG_LEVEL,
@@ -1462,7 +1469,8 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd)
 	list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
 
 	if (ioasc) {
-		if (ioasc != IPR_IOASC_IOA_WAS_RESET)
+		if (ioasc != IPR_IOASC_IOA_WAS_RESET &&
+		    ioasc != IPR_IOASC_ABORTED_CMD_TERM_BY_HOST)
 			dev_err(&ioa_cfg->pdev->dev,
 				"Host RCB failed with IOASC: 0x%08X\n", ioasc);
 
@@ -2566,7 +2574,8 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd)
 		ipr_handle_log_data(ioa_cfg, hostrcb);
 		if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED)
 			ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV);
-	} else if (ioasc != IPR_IOASC_IOA_WAS_RESET) {
+	} else if (ioasc != IPR_IOASC_IOA_WAS_RESET &&
+		   ioasc != IPR_IOASC_ABORTED_CMD_TERM_BY_HOST) {
 		dev_err(&ioa_cfg->pdev->dev,
 			"Host RCB failed with IOASC: 0x%08X\n", ioasc);
 	}
@@ -4491,11 +4500,83 @@ static struct device_attribute ipr_resource_type_attr = {
 	.show = ipr_show_resource_type
 };
 
+/**
+ * ipr_show_raw_mode - Show the adapter's raw mode
+ * @dev:	class device struct
+ * @buf:	buffer
+ *
+ * Return value:
+ * 	number of bytes printed to buffer
+ **/
+static ssize_t ipr_show_raw_mode(struct device *dev,
+				 struct device_attribute *attr, char *buf)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
+	struct ipr_resource_entry *res;
+	unsigned long lock_flags = 0;
+	ssize_t len;
+
+	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+	res = (struct ipr_resource_entry *)sdev->hostdata;
+	if (res)
+		len = snprintf(buf, PAGE_SIZE, "%d\n", res->raw_mode);
+	else
+		len = -ENXIO;
+	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+	return len;
+}
+
+/**
+ * ipr_store_raw_mode - Change the adapter's raw mode
+ * @dev:	class device struct
+ * @buf:	buffer
+ *
+ * Return value:
+ * 	number of bytes printed to buffer
+ **/
+static ssize_t ipr_store_raw_mode(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
+	struct ipr_resource_entry *res;
+	unsigned long lock_flags = 0;
+	ssize_t len;
+
+	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+	res = (struct ipr_resource_entry *)sdev->hostdata;
+	if (res) {
+		if (ioa_cfg->sis64 && ipr_is_af_dasd_device(res)) {
+			res->raw_mode = simple_strtoul(buf, NULL, 10);
+			len = strlen(buf);
+			if (res->sdev)
+				sdev_printk(KERN_INFO, res->sdev, "raw mode is %s\n",
+					res->raw_mode ? "enabled" : "disabled");
+		} else
+			len = -EINVAL;
+	} else
+		len = -ENXIO;
+	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+	return len;
+}
+
+static struct device_attribute ipr_raw_mode_attr = {
+	.attr = {
+		.name =		"raw_mode",
+		.mode =		S_IRUGO | S_IWUSR,
+	},
+	.show = ipr_show_raw_mode,
+	.store = ipr_store_raw_mode
+};
+
 static struct device_attribute *ipr_dev_attrs[] = {
 	&ipr_adapter_handle_attr,
 	&ipr_resource_path_attr,
 	&ipr_device_id_attr,
 	&ipr_resource_type_attr,
+	&ipr_raw_mode_attr,
 	NULL,
 };
 
@@ -5379,9 +5460,6 @@ static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg,
 	if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
 		/* Mask the interrupt */
 		writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.set_interrupt_mask_reg);
-
-		/* Clear the interrupt */
-		writel(IPR_PCII_IOA_TRANS_TO_OPER, ioa_cfg->regs.clr_interrupt_reg);
 		int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
 
 		list_del(&ioa_cfg->reset_cmd->queue);
@@ -6150,6 +6228,13 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
 		break;
 	case IPR_IOASC_NR_INIT_CMD_REQUIRED:
 		break;
+	case IPR_IOASC_IR_NON_OPTIMIZED:
+		if (res->raw_mode) {
+			res->raw_mode = 0;
+			scsi_cmd->result |= (DID_IMM_RETRY << 16);
+		} else
+			scsi_cmd->result |= (DID_ERROR << 16);
+		break;
 	default:
 		if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
 			scsi_cmd->result |= (DID_ERROR << 16);
@@ -6289,6 +6374,8 @@ static int ipr_queuecommand(struct Scsi_Host *shost,
 	    (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE)) {
 		ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
 	}
+	if (res->raw_mode && ipr_is_af_dasd_device(res))
+		ioarcb->cmd_pkt.request_type = IPR_RQTYPE_PIPE;
 
 	if (ioa_cfg->sis64)
 		rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd);
@@ -6402,7 +6489,6 @@ static struct scsi_host_template driver_template = {
 	.shost_attrs = ipr_ioa_attrs,
 	.sdev_attrs = ipr_dev_attrs,
 	.proc_name = IPR_NAME,
-	.no_write_same = 1,
 	.use_blk_tags = 1,
 };
 
@@ -8318,7 +8404,6 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd)
 static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd)
 {
 	ENTER;
-	pci_set_pcie_reset_state(ipr_cmd->ioa_cfg->pdev, pcie_deassert_reset);
 	ipr_cmd->job_step = ipr_reset_bist_done;
 	ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT);
 	LEAVE;
@@ -8326,6 +8411,32 @@ static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
+ * ipr_reset_reset_work - Pulse a PCIe fundamental reset
+ * @work:	work struct
+ *
+ * Description: This pulses warm reset to a slot.
+ *
+ **/
+static void ipr_reset_reset_work(struct work_struct *work)
+{
+	struct ipr_cmnd *ipr_cmd = container_of(work, struct ipr_cmnd, work);
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+	struct pci_dev *pdev = ioa_cfg->pdev;
+	unsigned long lock_flags = 0;
+
+	ENTER;
+	pci_set_pcie_reset_state(pdev, pcie_warm_reset);
+	msleep(jiffies_to_msecs(IPR_PCI_RESET_TIMEOUT));
+	pci_set_pcie_reset_state(pdev, pcie_deassert_reset);
+
+	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+	if (ioa_cfg->reset_cmd == ipr_cmd)
+		ipr_reset_ioa_job(ipr_cmd);
+	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+	LEAVE;
+}
+
+/**
  * ipr_reset_slot_reset - Reset the PCI slot of the adapter.
  * @ipr_cmd:	ipr command struct
  *
@@ -8337,12 +8448,11 @@ static int ipr_reset_slot_reset_done(struct ipr_cmnd *ipr_cmd)
 static int ipr_reset_slot_reset(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-	struct pci_dev *pdev = ioa_cfg->pdev;
 
 	ENTER;
-	pci_set_pcie_reset_state(pdev, pcie_warm_reset);
+	INIT_WORK(&ipr_cmd->work, ipr_reset_reset_work);
+	queue_work(ioa_cfg->reset_work_q, &ipr_cmd->work);
 	ipr_cmd->job_step = ipr_reset_slot_reset_done;
-	ipr_reset_start_timer(ipr_cmd, IPR_PCI_RESET_TIMEOUT);
 	LEAVE;
 	return IPR_RC_JOB_RETURN;
 }
@@ -8480,6 +8590,122 @@ static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
+ * ipr_reset_quiesce_done - Complete IOA disconnect
+ * @ipr_cmd:	ipr command struct
+ *
+ * Description: Freeze the adapter to complete quiesce processing
+ *
+ * Return value:
+ * 	IPR_RC_JOB_CONTINUE
+ **/
+static int ipr_reset_quiesce_done(struct ipr_cmnd *ipr_cmd)
+{
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+
+	ENTER;
+	ipr_cmd->job_step = ipr_ioa_bringdown_done;
+	ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
+	LEAVE;
+	return IPR_RC_JOB_CONTINUE;
+}
+
+/**
+ * ipr_reset_cancel_hcam_done - Check for outstanding commands
+ * @ipr_cmd:	ipr command struct
+ *
+ * Description: Ensure nothing is outstanding to the IOA and
+ *			proceed with IOA disconnect. Otherwise reset the IOA.
+ *
+ * Return value:
+ * 	IPR_RC_JOB_RETURN / IPR_RC_JOB_CONTINUE
+ **/
+static int ipr_reset_cancel_hcam_done(struct ipr_cmnd *ipr_cmd)
+{
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+	struct ipr_cmnd *loop_cmd;
+	struct ipr_hrr_queue *hrrq;
+	int rc = IPR_RC_JOB_CONTINUE;
+	int count = 0;
+
+	ENTER;
+	ipr_cmd->job_step = ipr_reset_quiesce_done;
+
+	for_each_hrrq(hrrq, ioa_cfg) {
+		spin_lock(&hrrq->_lock);
+		list_for_each_entry(loop_cmd, &hrrq->hrrq_pending_q, queue) {
+			count++;
+			ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+			list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
+			rc = IPR_RC_JOB_RETURN;
+			break;
+		}
+		spin_unlock(&hrrq->_lock);
+
+		if (count)
+			break;
+	}
+
+	LEAVE;
+	return rc;
+}
+
+/**
+ * ipr_reset_cancel_hcam - Cancel outstanding HCAMs
+ * @ipr_cmd:	ipr command struct
+ *
+ * Description: Cancel any oustanding HCAMs to the IOA.
+ *
+ * Return value:
+ * 	IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN
+ **/
+static int ipr_reset_cancel_hcam(struct ipr_cmnd *ipr_cmd)
+{
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+	int rc = IPR_RC_JOB_CONTINUE;
+	struct ipr_cmd_pkt *cmd_pkt;
+	struct ipr_cmnd *hcam_cmd;
+	struct ipr_hrr_queue *hrrq = &ioa_cfg->hrrq[IPR_INIT_HRRQ];
+
+	ENTER;
+	ipr_cmd->job_step = ipr_reset_cancel_hcam_done;
+
+	if (!hrrq->ioa_is_dead) {
+		if (!list_empty(&ioa_cfg->hostrcb_pending_q)) {
+			list_for_each_entry(hcam_cmd, &hrrq->hrrq_pending_q, queue) {
+				if (hcam_cmd->ioarcb.cmd_pkt.cdb[0] != IPR_HOST_CONTROLLED_ASYNC)
+					continue;
+
+				ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
+				ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
+				cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
+				cmd_pkt->request_type = IPR_RQTYPE_IOACMD;
+				cmd_pkt->cdb[0] = IPR_CANCEL_REQUEST;
+				cmd_pkt->cdb[1] = IPR_CANCEL_64BIT_IOARCB;
+				cmd_pkt->cdb[10] = ((u64) hcam_cmd->dma_addr >> 56) & 0xff;
+				cmd_pkt->cdb[11] = ((u64) hcam_cmd->dma_addr >> 48) & 0xff;
+				cmd_pkt->cdb[12] = ((u64) hcam_cmd->dma_addr >> 40) & 0xff;
+				cmd_pkt->cdb[13] = ((u64) hcam_cmd->dma_addr >> 32) & 0xff;
+				cmd_pkt->cdb[2] = ((u64) hcam_cmd->dma_addr >> 24) & 0xff;
+				cmd_pkt->cdb[3] = ((u64) hcam_cmd->dma_addr >> 16) & 0xff;
+				cmd_pkt->cdb[4] = ((u64) hcam_cmd->dma_addr >> 8) & 0xff;
+				cmd_pkt->cdb[5] = ((u64) hcam_cmd->dma_addr) & 0xff;
+
+				ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout,
+					   IPR_CANCEL_TIMEOUT);
+
+				rc = IPR_RC_JOB_RETURN;
+				ipr_cmd->job_step = ipr_reset_cancel_hcam;
+				break;
+			}
+		}
+	} else
+		ipr_cmd->job_step = ipr_reset_alert;
+
+	LEAVE;
+	return rc;
+}
+
+/**
  * ipr_reset_ucode_download_done - Microcode download completion
  * @ipr_cmd:	ipr command struct
  *
@@ -8561,7 +8787,9 @@ static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd)
 	int rc = IPR_RC_JOB_CONTINUE;
 
 	ENTER;
-	if (shutdown_type != IPR_SHUTDOWN_NONE &&
+	if (shutdown_type == IPR_SHUTDOWN_QUIESCE)
+		ipr_cmd->job_step = ipr_reset_cancel_hcam;
+	else if (shutdown_type != IPR_SHUTDOWN_NONE &&
 			!ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) {
 		ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
 		ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
@@ -8917,13 +9145,15 @@ static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
 {
 	int i;
 
-	for (i = 0; i < IPR_NUM_CMD_BLKS; i++) {
-		if (ioa_cfg->ipr_cmnd_list[i])
-			dma_pool_free(ioa_cfg->ipr_cmd_pool,
-				      ioa_cfg->ipr_cmnd_list[i],
-				      ioa_cfg->ipr_cmnd_list_dma[i]);
+	if (ioa_cfg->ipr_cmnd_list) {
+		for (i = 0; i < IPR_NUM_CMD_BLKS; i++) {
+			if (ioa_cfg->ipr_cmnd_list[i])
+				dma_pool_free(ioa_cfg->ipr_cmd_pool,
+					      ioa_cfg->ipr_cmnd_list[i],
+					      ioa_cfg->ipr_cmnd_list_dma[i]);
 
-		ioa_cfg->ipr_cmnd_list[i] = NULL;
+			ioa_cfg->ipr_cmnd_list[i] = NULL;
+		}
 	}
 
 	if (ioa_cfg->ipr_cmd_pool)
@@ -8973,26 +9203,25 @@ static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg)
 }
 
 /**
- * ipr_free_all_resources - Free all allocated resources for an adapter.
- * @ipr_cmd:	ipr command struct
+ * ipr_free_irqs - Free all allocated IRQs for the adapter.
+ * @ioa_cfg:	ipr cfg struct
  *
- * This function frees all allocated resources for the
+ * This function frees all allocated IRQs for the
  * specified adapter.
  *
  * Return value:
  * 	none
  **/
-static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg)
+static void ipr_free_irqs(struct ipr_ioa_cfg *ioa_cfg)
 {
 	struct pci_dev *pdev = ioa_cfg->pdev;
 
-	ENTER;
 	if (ioa_cfg->intr_flag == IPR_USE_MSI ||
 	    ioa_cfg->intr_flag == IPR_USE_MSIX) {
 		int i;
 		for (i = 0; i < ioa_cfg->nvectors; i++)
 			free_irq(ioa_cfg->vectors_info[i].vec,
-				&ioa_cfg->hrrq[i]);
+				 &ioa_cfg->hrrq[i]);
 	} else
 		free_irq(pdev->irq, &ioa_cfg->hrrq[0]);
 
@@ -9003,7 +9232,26 @@ static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg)
 		pci_disable_msix(pdev);
 		ioa_cfg->intr_flag &= ~IPR_USE_MSIX;
 	}
+}
 
+/**
+ * ipr_free_all_resources - Free all allocated resources for an adapter.
+ * @ipr_cmd:	ipr command struct
+ *
+ * This function frees all allocated resources for the
+ * specified adapter.
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_free_all_resources(struct ipr_ioa_cfg *ioa_cfg)
+{
+	struct pci_dev *pdev = ioa_cfg->pdev;
+
+	ENTER;
+	ipr_free_irqs(ioa_cfg);
+	if (ioa_cfg->reset_work_q)
+		destroy_workqueue(ioa_cfg->reset_work_q);
 	iounmap(ioa_cfg->hdw_dma_regs);
 	pci_release_regions(pdev);
 	ipr_free_mem(ioa_cfg);
@@ -9823,6 +10071,14 @@ static int ipr_probe_ioa(struct pci_dev *pdev,
 	    (dev_id->device == PCI_DEVICE_ID_IBM_OBSIDIAN_E && !ioa_cfg->revid)) {
 		ioa_cfg->needs_warm_reset = 1;
 		ioa_cfg->reset = ipr_reset_slot_reset;
+
+		ioa_cfg->reset_work_q = alloc_ordered_workqueue("ipr_reset_%d",
+								WQ_MEM_RECLAIM, host->host_no);
+
+		if (!ioa_cfg->reset_work_q) {
+			dev_err(&pdev->dev, "Couldn't register reset workqueue\n");
+			goto out_free_irq;
+		}
 	} else
 		ioa_cfg->reset = ipr_reset_start_bist;
 
@@ -9834,6 +10090,8 @@ static int ipr_probe_ioa(struct pci_dev *pdev,
 out:
 	return rc;
 
+out_free_irq:
+	ipr_free_irqs(ioa_cfg);
 cleanup_nolog:
 	ipr_free_mem(ioa_cfg);
 out_msi_disable:
@@ -9914,6 +10172,8 @@ static void __ipr_remove(struct pci_dev *pdev)
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags);
 	wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
 	flush_work(&ioa_cfg->work_q);
+	if (ioa_cfg->reset_work_q)
+		flush_workqueue(ioa_cfg->reset_work_q);
 	INIT_LIST_HEAD(&ioa_cfg->used_res_q);
 	spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags);
 
@@ -10036,6 +10296,7 @@ static void ipr_shutdown(struct pci_dev *pdev)
 {
 	struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev);
 	unsigned long lock_flags = 0;
+	enum ipr_shutdown_type shutdown_type = IPR_SHUTDOWN_NORMAL;
 	int i;
 
 	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
@@ -10051,9 +10312,16 @@ static void ipr_shutdown(struct pci_dev *pdev)
 		spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
 	}
 
-	ipr_initiate_ioa_bringdown(ioa_cfg, IPR_SHUTDOWN_NORMAL);
+	if (ipr_fast_reboot && system_state == SYSTEM_RESTART && ioa_cfg->sis64)
+		shutdown_type = IPR_SHUTDOWN_QUIESCE;
+
+	ipr_initiate_ioa_bringdown(ioa_cfg, shutdown_type);
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 	wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+	if (ipr_fast_reboot && system_state == SYSTEM_RESTART && ioa_cfg->sis64) {
+		ipr_free_irqs(ioa_cfg);
+		pci_disable_device(ioa_cfg->pdev);
+	}
 }
 
 static struct pci_device_id ipr_pci_table[] = {
@@ -10211,7 +10479,8 @@ static int ipr_halt(struct notifier_block *nb, ulong event, void *buf)
 
 	list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) {
 		spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
-		if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) {
+		if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds ||
+		    (ipr_fast_reboot && event == SYS_RESTART && ioa_cfg->sis64)) {
 			spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
 			continue;
 		}