* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* FILE: megaraid_sas_base.c
- * Version : v00.00.05.40-rc1
+ * Version : v00.00.06.12-rc1
*
* Authors: LSI Corporation
* Sreenivas Bagalkote
MODULE_AUTHOR("megaraidlinux@lsi.com");
MODULE_DESCRIPTION("LSI MegaRAID SAS Driver");
-int megasas_transition_to_ready(struct megasas_instance *instance);
+int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
static int megasas_get_pd_list(struct megasas_instance *instance);
static int megasas_issue_init_mfi(struct megasas_instance *instance);
static int megasas_register_aen(struct megasas_instance *instance,
/* xscale IOP */
{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)},
/* Fusion */
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)},
+ /* Invader */
{}
};
cmd->scmd = NULL;
cmd->frame_count = 0;
+ if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) &&
+ (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) &&
+ (reset_devices))
+ cmd->frame->hdr.cmd = MFI_CMD_INVALID;
list_add_tail(&cmd->list, &instance->cmd_pool);
spin_unlock_irqrestore(&instance->cmd_pool_lock, flags);
{
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)) {
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
} else {
writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell);
static enum
blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
{
- struct megasas_cmd *cmd = (struct megasas_cmd *)scmd->SCp.ptr;
struct megasas_instance *instance;
unsigned long flags;
return BLK_EH_NOT_HANDLED;
}
- instance = cmd->instance;
+ instance = (struct megasas_instance *)scmd->device->host->hostdata;
if (!(instance->flag & MEGASAS_FW_BUSY)) {
/* FW is busy, throttle IO */
spin_lock_irqsave(instance->host->host_lock, flags);
/*
* First wait for all commands to complete
*/
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
ret = megasas_reset_fusion(scmd->device->host);
else
ret = megasas_generic_reset(scmd);
cmd->scmd->SCp.ptr = NULL;
switch (hdr->cmd) {
-
+ case MFI_CMD_INVALID:
+ /* Some older 1068 controller FW may keep a pended
+ MR_DCMD_CTRL_EVENT_GET_INFO left over from the main kernel
+ when booting the kdump kernel. Ignore this command to
+ prevent a kernel panic on shutdown of the kdump kernel. */
+ printk(KERN_WARNING "megaraid_sas: MFI_CMD_INVALID command "
+ "completed.\n");
+ printk(KERN_WARNING "megaraid_sas: If you have a controller "
+ "other than PERC5, please upgrade your firmware.\n");
+ break;
case MFI_CMD_PD_SCSI_IO:
case MFI_CMD_LD_SCSI_IO:
msleep(1000);
}
- if (megasas_transition_to_ready(instance)) {
+ if (megasas_transition_to_ready(instance, 1)) {
printk(KERN_NOTICE "megaraid_sas:adapter not ready\n");
megaraid_sas_kill_hba(instance);
instance->reg_set)
) == 0) {
/* Hardware may not set outbound_intr_status in MSI-X mode */
- if (!instance->msi_flag)
+ if (!instance->msix_vectors)
return IRQ_NONE;
}
*/
static irqreturn_t megasas_isr(int irq, void *devp)
{
- struct megasas_instance *instance;
+ struct megasas_irq_context *irq_context = devp;
+ struct megasas_instance *instance = irq_context->instance;
unsigned long flags;
irqreturn_t rc;
- if (atomic_read(
- &(((struct megasas_instance *)devp)->fw_reset_no_pci_access)))
+ if (atomic_read(&instance->fw_reset_no_pci_access))
return IRQ_HANDLED;
- instance = (struct megasas_instance *)devp;
-
spin_lock_irqsave(&instance->hba_lock, flags);
rc = megasas_deplete_reply_queue(instance, DID_OK);
spin_unlock_irqrestore(&instance->hba_lock, flags);
* has to wait for the ready state.
*/
int
-megasas_transition_to_ready(struct megasas_instance* instance)
+megasas_transition_to_ready(struct megasas_instance *instance, int ocr)
{
int i;
u8 max_wait;
switch (fw_state) {
case MFI_STATE_FAULT:
-
printk(KERN_DEBUG "megasas: FW in FAULT state!!\n");
- max_wait = MEGASAS_RESET_WAIT_TIME;
- cur_state = MFI_STATE_FAULT;
- break;
+ if (ocr) {
+ max_wait = MEGASAS_RESET_WAIT_TIME;
+ cur_state = MFI_STATE_FAULT;
+ break;
+ } else
+ return -ENODEV;
case MFI_STATE_WAIT_HANDSHAKE:
/*
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
(instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FUSION)) {
+ PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)) {
writel(
MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
&instance->reg_set->doorbell);
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
(instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FUSION)) {
+ PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)) {
writel(MFI_INIT_HOTPLUG,
&instance->reg_set->doorbell);
} else
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
(instance->pdev->device
- == PCI_DEVICE_ID_LSI_FUSION)) {
+ == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device
+ == PCI_DEVICE_ID_LSI_INVADER)) {
writel(MFI_RESET_FLAGS,
&instance->reg_set->doorbell);
- if (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FUSION) {
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)) {
for (i = 0; i < (10 * 1000); i += 20) {
if (readl(
&instance->
memset(cmd->frame, 0, total_sz);
cmd->frame->io.context = cmd->index;
cmd->frame->io.pad_0 = 0;
+ if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) &&
+ (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) &&
+ (reset_devices))
+ cmd->frame->hdr.cmd = MFI_CMD_INVALID;
}
return 0;
struct megasas_register_set __iomem *reg_set;
struct megasas_ctrl_info *ctrl_info;
unsigned long bar_list;
+ int i;
/* Find first memory bar */
bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM);
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
instance->instancet = &megasas_instance_template_fusion;
break;
case PCI_DEVICE_ID_LSI_SAS1078R:
/*
* We expect the FW state to be READY
*/
- if (megasas_transition_to_ready(instance))
+ if (megasas_transition_to_ready(instance, 0))
goto fail_ready_state;
/* Check if MSI-X is supported while in ready state */
msix_enable = (instance->instancet->read_fw_status_reg(reg_set) &
0x4000000) >> 0x1a;
- if (msix_enable && !msix_disable &&
- !pci_enable_msix(instance->pdev, &instance->msixentry, 1))
- instance->msi_flag = 1;
+ if (msix_enable && !msix_disable) {
+ /* Check max MSI-X vectors */
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
+ instance->msix_vectors = (readl(&instance->reg_set->
+ outbound_scratch_pad_2
+ ) & 0x1F) + 1;
+ } else
+ instance->msix_vectors = 1;
+ /* Don't bother allocating more MSI-X vectors than cpus */
+ instance->msix_vectors = min(instance->msix_vectors,
+ (unsigned int)num_online_cpus());
+ for (i = 0; i < instance->msix_vectors; i++)
+ instance->msixentry[i].entry = i;
+ i = pci_enable_msix(instance->pdev, instance->msixentry,
+ instance->msix_vectors);
+ if (i >= 0) {
+ if (i) {
+ if (!pci_enable_msix(instance->pdev,
+ instance->msixentry, i))
+ instance->msix_vectors = i;
+ else
+ instance->msix_vectors = 0;
+ }
+ } else
+ instance->msix_vectors = 0;
+ }
/* Get operational params, sge flags, send init cmd to controller */
if (instance->instancet->init_adapter(instance))
host->max_cmd_len = 16;
/* Fusion only supports host reset */
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) {
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
host->hostt->eh_device_reset_handler = NULL;
host->hostt->eh_bus_reset_handler = NULL;
}
static int __devinit
megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
- int rval, pos;
+ int rval, pos, i, j;
struct Scsi_Host *host;
struct megasas_instance *instance;
u16 control = 0;
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
{
struct fusion_context *fusion;
instance->last_time = 0;
instance->disableOnlineCtrlReset = 1;
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq);
else
INIT_WORK(&instance->work_init, process_fw_state_change_wq);
/*
* Register IRQ
*/
- if (request_irq(instance->msi_flag ? instance->msixentry.vector :
- pdev->irq, instance->instancet->service_isr,
- IRQF_SHARED, "megasas", instance)) {
- printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
- goto fail_irq;
+ if (instance->msix_vectors) {
+ for (i = 0 ; i < instance->msix_vectors; i++) {
+ instance->irq_context[i].instance = instance;
+ instance->irq_context[i].MSIxIndex = i;
+ if (request_irq(instance->msixentry[i].vector,
+ instance->instancet->service_isr, 0,
+ "megasas",
+ &instance->irq_context[i])) {
+ printk(KERN_DEBUG "megasas: Failed to "
+ "register IRQ for vector %d.\n", i);
+ for (j = 0 ; j < i ; j++)
+ free_irq(
+ instance->msixentry[j].vector,
+ &instance->irq_context[j]);
+ goto fail_irq;
+ }
+ }
+ } else {
+ instance->irq_context[0].instance = instance;
+ instance->irq_context[0].MSIxIndex = 0;
+ if (request_irq(pdev->irq, instance->instancet->service_isr,
+ IRQF_SHARED, "megasas",
+ &instance->irq_context[0])) {
+ printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
+ goto fail_irq;
+ }
}
instance->instancet->enable_intr(instance->reg_set);
pci_set_drvdata(pdev, NULL);
instance->instancet->disable_intr(instance->reg_set);
- free_irq(instance->msi_flag ? instance->msixentry.vector :
- instance->pdev->irq, instance);
+ if (instance->msix_vectors)
+ for (i = 0 ; i < instance->msix_vectors; i++)
+ free_irq(instance->msixentry[i].vector,
+ &instance->irq_context[i]);
+ else
+ free_irq(instance->pdev->irq, &instance->irq_context[0]);
fail_irq:
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
megasas_release_fusion(instance);
else
megasas_release_mfi(instance);
fail_init_mfi:
- if (instance->msi_flag)
+ if (instance->msix_vectors)
pci_disable_msix(instance->pdev);
fail_alloc_dma_buf:
if (instance->evt_detail)
{
struct Scsi_Host *host;
struct megasas_instance *instance;
+ int i;
instance = pci_get_drvdata(pdev);
host = instance->host;
pci_set_drvdata(instance->pdev, instance);
instance->instancet->disable_intr(instance->reg_set);
- free_irq(instance->msi_flag ? instance->msixentry.vector :
- instance->pdev->irq, instance);
- if (instance->msi_flag)
+
+ if (instance->msix_vectors)
+ for (i = 0 ; i < instance->msix_vectors; i++)
+ free_irq(instance->msixentry[i].vector,
+ &instance->irq_context[i]);
+ else
+ free_irq(instance->pdev->irq, &instance->irq_context[0]);
+ if (instance->msix_vectors)
pci_disable_msix(instance->pdev);
pci_save_state(pdev);
static int
megasas_resume(struct pci_dev *pdev)
{
- int rval;
+ int rval, i, j;
struct Scsi_Host *host;
struct megasas_instance *instance;
/*
* We expect the FW state to be READY
*/
- if (megasas_transition_to_ready(instance))
+ if (megasas_transition_to_ready(instance, 0))
goto fail_ready_state;
/* Now re-enable MSI-X */
- if (instance->msi_flag)
- pci_enable_msix(instance->pdev, &instance->msixentry, 1);
+ if (instance->msix_vectors)
+ pci_enable_msix(instance->pdev, instance->msixentry,
+ instance->msix_vectors);
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
{
megasas_reset_reply_desc(instance);
if (megasas_ioc_init_fusion(instance)) {
/*
* Register IRQ
*/
- if (request_irq(instance->msi_flag ? instance->msixentry.vector :
- pdev->irq, instance->instancet->service_isr,
- IRQF_SHARED, "megasas", instance)) {
- printk(KERN_ERR "megasas: Failed to register IRQ\n");
- goto fail_irq;
+ if (instance->msix_vectors) {
+ for (i = 0 ; i < instance->msix_vectors; i++) {
+ instance->irq_context[i].instance = instance;
+ instance->irq_context[i].MSIxIndex = i;
+ if (request_irq(instance->msixentry[i].vector,
+ instance->instancet->service_isr, 0,
+ "megasas",
+ &instance->irq_context[i])) {
+ printk(KERN_DEBUG "megasas: Failed to "
+ "register IRQ for vector %d.\n", i);
+ for (j = 0 ; j < i ; j++)
+ free_irq(
+ instance->msixentry[j].vector,
+ &instance->irq_context[j]);
+ goto fail_irq;
+ }
+ }
+ } else {
+ instance->irq_context[0].instance = instance;
+ instance->irq_context[0].MSIxIndex = 0;
+ if (request_irq(pdev->irq, instance->instancet->service_isr,
+ IRQF_SHARED, "megasas",
+ &instance->irq_context[0])) {
+ printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
+ goto fail_irq;
+ }
}
instance->instancet->enable_intr(instance->reg_set);
instance->instancet->disable_intr(instance->reg_set);
- free_irq(instance->msi_flag ? instance->msixentry.vector :
- instance->pdev->irq, instance);
- if (instance->msi_flag)
+ if (instance->msix_vectors)
+ for (i = 0 ; i < instance->msix_vectors; i++)
+ free_irq(instance->msixentry[i].vector,
+ &instance->irq_context[i]);
+ else
+ free_irq(instance->pdev->irq, &instance->irq_context[0]);
+ if (instance->msix_vectors)
pci_disable_msix(instance->pdev);
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
megasas_release_fusion(instance);
for (i = 0; i < 2 ; i++)
if (fusion->ld_map[i])
*/
static void megasas_shutdown(struct pci_dev *pdev)
{
+ int i;
struct megasas_instance *instance = pci_get_drvdata(pdev);
+
instance->unload = 1;
megasas_flush_cache(instance);
megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
instance->instancet->disable_intr(instance->reg_set);
- free_irq(instance->msi_flag ? instance->msixentry.vector :
- instance->pdev->irq, instance);
- if (instance->msi_flag)
+ if (instance->msix_vectors)
+ for (i = 0 ; i < instance->msix_vectors; i++)
+ free_irq(instance->msixentry[i].vector,
+ &instance->irq_context[i]);
+ else
+ free_irq(instance->pdev->irq, &instance->irq_context[0]);
+ if (instance->msix_vectors)
pci_disable_msix(instance->pdev);
}
git.openpandora.org / pandora-kernel.git / blobdiff