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path: root/drivers/scsi/megaraid/megaraid_sas_base.c
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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_base.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c147
1 files changed, 93 insertions, 54 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 5d6d07bd1cd0..f875e818905f 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -18,12 +18,13 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* FILE: megaraid_sas_base.c
- * Version : v00.00.05.29-rc1
+ * Version : v00.00.05.34-rc1
*
* Authors: LSI Corporation
* Sreenivas Bagalkote
* Sumant Patro
* Bo Yang
+ * Adam Radford <linuxraid@lsi.com>
*
* Send feedback to: <megaraidlinux@lsi.com>
*
@@ -134,7 +135,11 @@ spinlock_t poll_aen_lock;
void
megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
u8 alt_status);
-
+static u32
+megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs);
+static int
+megasas_adp_reset_gen2(struct megasas_instance *instance,
+ struct megasas_register_set __iomem *reg_set);
static irqreturn_t megasas_isr(int irq, void *devp);
static u32
megasas_init_adapter_mfi(struct megasas_instance *instance);
@@ -554,6 +559,8 @@ static int
megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs)
{
u32 status;
+ u32 mfiStatus = 0;
+
/*
* Check if it is our interrupt
*/
@@ -564,6 +571,15 @@ megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs)
}
/*
+ * Check if it is our interrupt
+ */
+ if ((megasas_read_fw_status_reg_gen2(regs) & MFI_STATE_MASK) ==
+ MFI_STATE_FAULT) {
+ mfiStatus = MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE;
+ } else
+ mfiStatus = MFI_INTR_FLAG_REPLY_MESSAGE;
+
+ /*
* Clear the interrupt by writing back the same value
*/
writel(status, &regs->outbound_intr_status);
@@ -573,7 +589,7 @@ megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs)
*/
readl(&regs->outbound_intr_status);
- return 1;
+ return mfiStatus;
}
/**
@@ -597,17 +613,6 @@ megasas_fire_cmd_skinny(struct megasas_instance *instance,
}
/**
- * megasas_adp_reset_skinny - For controller reset
- * @regs: MFI register set
- */
-static int
-megasas_adp_reset_skinny(struct megasas_instance *instance,
- struct megasas_register_set __iomem *regs)
-{
- return 0;
-}
-
-/**
* megasas_check_reset_skinny - For controller reset check
* @regs: MFI register set
*/
@@ -625,7 +630,7 @@ static struct megasas_instance_template megasas_instance_template_skinny = {
.disable_intr = megasas_disable_intr_skinny,
.clear_intr = megasas_clear_intr_skinny,
.read_fw_status_reg = megasas_read_fw_status_reg_skinny,
- .adp_reset = megasas_adp_reset_skinny,
+ .adp_reset = megasas_adp_reset_gen2,
.check_reset = megasas_check_reset_skinny,
.service_isr = megasas_isr,
.tasklet = megasas_complete_cmd_dpc,
@@ -740,20 +745,28 @@ megasas_adp_reset_gen2(struct megasas_instance *instance,
{
u32 retry = 0 ;
u32 HostDiag;
+ u32 *seq_offset = &reg_set->seq_offset;
+ u32 *hostdiag_offset = &reg_set->host_diag;
+
+ if (instance->instancet == &megasas_instance_template_skinny) {
+ seq_offset = &reg_set->fusion_seq_offset;
+ hostdiag_offset = &reg_set->fusion_host_diag;
+ }
+
+ writel(0, seq_offset);
+ writel(4, seq_offset);
+ writel(0xb, seq_offset);
+ writel(2, seq_offset);
+ writel(7, seq_offset);
+ writel(0xd, seq_offset);
- writel(0, &reg_set->seq_offset);
- writel(4, &reg_set->seq_offset);
- writel(0xb, &reg_set->seq_offset);
- writel(2, &reg_set->seq_offset);
- writel(7, &reg_set->seq_offset);
- writel(0xd, &reg_set->seq_offset);
msleep(1000);
- HostDiag = (u32)readl(&reg_set->host_diag);
+ HostDiag = (u32)readl(hostdiag_offset);
while ( !( HostDiag & DIAG_WRITE_ENABLE) ) {
msleep(100);
- HostDiag = (u32)readl(&reg_set->host_diag);
+ HostDiag = (u32)readl(hostdiag_offset);
printk(KERN_NOTICE "RESETGEN2: retry=%x, hostdiag=%x\n",
retry, HostDiag);
@@ -764,14 +777,14 @@ megasas_adp_reset_gen2(struct megasas_instance *instance,
printk(KERN_NOTICE "ADP_RESET_GEN2: HostDiag=%x\n", HostDiag);
- writel((HostDiag | DIAG_RESET_ADAPTER), &reg_set->host_diag);
+ writel((HostDiag | DIAG_RESET_ADAPTER), hostdiag_offset);
ssleep(10);
- HostDiag = (u32)readl(&reg_set->host_diag);
+ HostDiag = (u32)readl(hostdiag_offset);
while ( ( HostDiag & DIAG_RESET_ADAPTER) ) {
msleep(100);
- HostDiag = (u32)readl(&reg_set->host_diag);
+ HostDiag = (u32)readl(hostdiag_offset);
printk(KERN_NOTICE "RESET_GEN2: retry=%x, hostdiag=%x\n",
retry, HostDiag);
@@ -2503,7 +2516,9 @@ megasas_deplete_reply_queue(struct megasas_instance *instance,
if ((mfiStatus = instance->instancet->clear_intr(
instance->reg_set)
) == 0) {
- return IRQ_NONE;
+ /* Hardware may not set outbound_intr_status in MSI-X mode */
+ if (!instance->msi_flag)
+ return IRQ_NONE;
}
instance->mfiStatus = mfiStatus;
@@ -2611,7 +2626,9 @@ megasas_transition_to_ready(struct megasas_instance* instance)
case MFI_STATE_FAULT:
printk(KERN_DEBUG "megasas: FW in FAULT state!!\n");
- return -ENODEV;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
+ cur_state = MFI_STATE_FAULT;
+ break;
case MFI_STATE_WAIT_HANDSHAKE:
/*
@@ -3424,7 +3441,6 @@ fail_reply_queue:
megasas_free_cmds(instance);
fail_alloc_cmds:
- iounmap(instance->reg_set);
return 1;
}
@@ -3494,7 +3510,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
/* Get operational params, sge flags, send init cmd to controller */
if (instance->instancet->init_adapter(instance))
- return -ENODEV;
+ goto fail_init_adapter;
printk(KERN_ERR "megasas: INIT adapter done\n");
@@ -3543,7 +3559,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
* Setup tasklet for cmd completion
*/
- tasklet_init(&instance->isr_tasklet, megasas_complete_cmd_dpc,
+ tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
(unsigned long)instance);
/* Initialize the cmd completion timer */
@@ -3553,6 +3569,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
MEGASAS_COMPLETION_TIMER_INTERVAL);
return 0;
+fail_init_adapter:
fail_ready_state:
iounmap(instance->reg_set);
@@ -3820,6 +3837,10 @@ static int megasas_io_attach(struct megasas_instance *instance)
instance->max_fw_cmds - MEGASAS_INT_CMDS;
host->this_id = instance->init_id;
host->sg_tablesize = instance->max_num_sge;
+
+ if (instance->fw_support_ieee)
+ instance->max_sectors_per_req = MEGASAS_MAX_SECTORS_IEEE;
+
/*
* Check if the module parameter value for max_sectors can be used
*/
@@ -3899,9 +3920,26 @@ fail_set_dma_mask:
static int __devinit
megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
- int rval;
+ int rval, pos;
struct Scsi_Host *host;
struct megasas_instance *instance;
+ u16 control = 0;
+
+ /* Reset MSI-X in the kdump kernel */
+ if (reset_devices) {
+ pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+ if (pos) {
+ pci_read_config_word(pdev, msi_control_reg(pos),
+ &control);
+ if (control & PCI_MSIX_FLAGS_ENABLE) {
+ dev_info(&pdev->dev, "resetting MSI-X\n");
+ pci_write_config_word(pdev,
+ msi_control_reg(pos),
+ control &
+ ~PCI_MSIX_FLAGS_ENABLE);
+ }
+ }
+ }
/*
* Announce PCI information
@@ -4039,12 +4077,6 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
else
INIT_WORK(&instance->work_init, process_fw_state_change_wq);
- /*
- * Initialize MFI Firmware
- */
- if (megasas_init_fw(instance))
- goto fail_init_mfi;
-
/* Try to enable MSI-X */
if ((instance->pdev->device != PCI_DEVICE_ID_LSI_SAS1078R) &&
(instance->pdev->device != PCI_DEVICE_ID_LSI_SAS1078DE) &&
@@ -4054,6 +4086,12 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
instance->msi_flag = 1;
/*
+ * Initialize MFI Firmware
+ */
+ if (megasas_init_fw(instance))
+ goto fail_init_mfi;
+
+ /*
* Register IRQ
*/
if (request_irq(instance->msi_flag ? instance->msixentry.vector :
@@ -4105,24 +4143,23 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->msi_flag ? instance->msixentry.vector :
instance->pdev->irq, instance);
+fail_irq:
+ if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ megasas_release_fusion(instance);
+ else
+ megasas_release_mfi(instance);
+ fail_init_mfi:
if (instance->msi_flag)
pci_disable_msix(instance->pdev);
-
- fail_irq:
- fail_init_mfi:
fail_alloc_dma_buf:
if (instance->evt_detail)
pci_free_consistent(pdev, sizeof(struct megasas_evt_detail),
instance->evt_detail,
instance->evt_detail_h);
- if (instance->producer) {
+ if (instance->producer)
pci_free_consistent(pdev, sizeof(u32), instance->producer,
instance->producer_h);
- megasas_release_mfi(instance);
- } else {
- megasas_release_fusion(instance);
- }
if (instance->consumer)
pci_free_consistent(pdev, sizeof(u32), instance->consumer,
instance->consumer_h);
@@ -4242,9 +4279,8 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state)
/* cancel the delayed work if this work still in queue */
if (instance->ev != NULL) {
struct megasas_aen_event *ev = instance->ev;
- cancel_delayed_work(
+ cancel_delayed_work_sync(
(struct delayed_work *)&ev->hotplug_work);
- flush_scheduled_work();
instance->ev = NULL;
}
@@ -4297,6 +4333,10 @@ megasas_resume(struct pci_dev *pdev)
if (megasas_set_dma_mask(pdev))
goto fail_set_dma_mask;
+ /* Now re-enable MSI-X */
+ if (instance->msi_flag)
+ pci_enable_msix(instance->pdev, &instance->msixentry, 1);
+
/*
* Initialize MFI Firmware
*/
@@ -4333,10 +4373,6 @@ megasas_resume(struct pci_dev *pdev)
tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
(unsigned long)instance);
- /* Now re-enable MSI-X */
- if (instance->msi_flag)
- pci_enable_msix(instance->pdev, &instance->msixentry, 1);
-
/*
* Register IRQ
*/
@@ -4417,9 +4453,8 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
/* cancel the delayed work if this work still in queue*/
if (instance->ev != NULL) {
struct megasas_aen_event *ev = instance->ev;
- cancel_delayed_work(
+ cancel_delayed_work_sync(
(struct delayed_work *)&ev->hotplug_work);
- flush_scheduled_work();
instance->ev = NULL;
}
@@ -4611,6 +4646,9 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
* For each user buffer, create a mirror buffer and copy in
*/
for (i = 0; i < ioc->sge_count; i++) {
+ if (!ioc->sgl[i].iov_len)
+ continue;
+
kbuff_arr[i] = dma_alloc_coherent(&instance->pdev->dev,
ioc->sgl[i].iov_len,
&buf_handle, GFP_KERNEL);
@@ -5177,6 +5215,7 @@ megasas_aen_polling(struct work_struct *work)
break;
case MR_EVT_LD_OFFLINE:
+ case MR_EVT_CFG_CLEARED:
case MR_EVT_LD_DELETED:
megasas_get_ld_list(instance);
for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-27 02:04:56 +0000