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 */
"[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);
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);
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);
}
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);
return IPR_RC_JOB_RETURN;
}
+/**
+ * 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
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;
{
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);
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) {
+ 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]);
+ }
+
+ if (ioa_cfg->intr_flag == IPR_USE_MSI) {
+ pci_disable_msi(ioa_cfg->pdev);
+ ioa_cfg->intr_flag &= ~IPR_USE_MSI;
+ } else if (ioa_cfg->intr_flag == IPR_USE_MSIX) {
+ pci_disable_msix(ioa_cfg->pdev);
+ ioa_cfg->intr_flag &= ~IPR_USE_MSIX;
+ }
+
+ pci_disable_device(ioa_cfg->pdev);
+ }
}
static struct pci_device_id ipr_pci_table[] = {
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;
}
projects / cascardo / linux.git / blobdiff