* 2 of the License, or (at your option) any later version.
*
* FILE : megaraid_sas.c
- * Version : v00.00.02.04
+ * Version : v00.00.03.01
*
* Authors:
* Sreenivas Bagalkote <Sreenivas.Bagalkote@lsil.com>
*/
static struct pci_device_id megasas_pci_table[] = {
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_LSI_SAS1064R, // xscale IOP
- PCI_ANY_ID,
- PCI_ANY_ID,
- },
- {
- PCI_VENDOR_ID_LSI_LOGIC,
- PCI_DEVICE_ID_LSI_SAS1078R, // ppc IOP
- PCI_ANY_ID,
- PCI_ANY_ID,
- },
- {
- PCI_VENDOR_ID_DELL,
- PCI_DEVICE_ID_DELL_PERC5, // xscale IOP
- PCI_ANY_ID,
- PCI_ANY_ID,
- },
- {0} /* Terminating entry */
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)},
+ /* xscale IOP */
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)},
+ /* ppc IOP */
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)},
+ /* xscale IOP, vega */
+ {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)},
+ /* xscale IOP */
+ {}
};
MODULE_DEVICE_TABLE(pci, megasas_pci_table);
* @regs: MFI register set
*/
static inline void
-megasas_disable_intr(struct megasas_register_set __iomem * regs)
+megasas_disable_intr(struct megasas_instance *instance)
{
u32 mask = 0x1f;
+ struct megasas_register_set __iomem *regs = instance->reg_set;
+
+ if(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078R)
+ mask = 0xffffffff;
+
writel(mask, ®s->outbound_intr_mask);
/* Dummy readl to force pci flush */
megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
{
u32 frame_count;
- unsigned long flags;
struct megasas_cmd *cmd;
struct megasas_instance *instance;
/*
* Issue the command to the FW
*/
- spin_lock_irqsave(&instance->instance_lock, flags);
- instance->fw_outstanding++;
- spin_unlock_irqrestore(&instance->instance_lock, flags);
+ atomic_inc(&instance->fw_outstanding);
instance->instancet->fire_cmd(cmd->frame_phys_addr ,cmd->frame_count-1,instance->reg_set);
for (i = 0; i < wait_time; i++) {
- if (!instance->fw_outstanding)
+ int outstanding = atomic_read(&instance->fw_outstanding);
+
+ if (!outstanding)
break;
if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) {
printk(KERN_NOTICE "megasas: [%2d]waiting for %d "
- "commands to complete\n", i,
- instance->fw_outstanding);
+ "commands to complete\n",i,outstanding);
}
msleep(1000);
}
- if (instance->fw_outstanding) {
+ if (atomic_read(&instance->fw_outstanding)) {
instance->hw_crit_error = 1;
return FAILED;
}
{
int exception = 0;
struct megasas_header *hdr = &cmd->frame->hdr;
- unsigned long flags;
if (cmd->scmd) {
cmd->scmd->SCp.ptr = (char *)0;
if (exception) {
- spin_lock_irqsave(&instance->instance_lock, flags);
- instance->fw_outstanding--;
- spin_unlock_irqrestore(&instance->instance_lock, flags);
+ atomic_dec(&instance->fw_outstanding);
megasas_unmap_sgbuf(instance, cmd);
cmd->scmd->scsi_done(cmd->scmd);
break;
}
- spin_lock_irqsave(&instance->instance_lock, flags);
- instance->fw_outstanding--;
- spin_unlock_irqrestore(&instance->instance_lock, flags);
+ atomic_dec(&instance->fw_outstanding);
megasas_unmap_sgbuf(instance, cmd);
cmd->scmd->scsi_done(cmd->scmd);
/*
* Bring it to READY state; assuming max wait 2 secs
*/
- megasas_disable_intr(instance->reg_set);
+ megasas_disable_intr(instance);
writel(MFI_INIT_READY, &instance->reg_set->inbound_doorbell);
max_wait = 10;
init_frame->data_xfer_len = sizeof(struct megasas_init_queue_info);
+ /*
+ * disable the intr before firing the init frame to FW
+ */
+ megasas_disable_intr(instance);
+
/*
* Issue the init frame in polled mode
*/
*/
INIT_LIST_HEAD(&instance->cmd_pool);
+ atomic_set(&instance->fw_outstanding,0);
+
init_waitqueue_head(&instance->int_cmd_wait_q);
init_waitqueue_head(&instance->abort_cmd_wait_q);
spin_lock_init(&instance->cmd_pool_lock);
- spin_lock_init(&instance->instance_lock);
sema_init(&instance->aen_mutex, 1);
sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
/*
* Register IRQ
*/
- if (request_irq(pdev->irq, megasas_isr, SA_SHIRQ, "megasas", instance)) {
+ if (request_irq(pdev->irq, megasas_isr, IRQF_SHARED, "megasas", instance)) {
printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
goto fail_irq;
}
megasas_mgmt_info.max_index--;
pci_set_drvdata(pdev, NULL);
- megasas_disable_intr(instance->reg_set);
+ megasas_disable_intr(instance);
free_irq(instance->pdev->irq, instance);
megasas_release_mfi(instance);
pci_set_drvdata(instance->pdev, NULL);
- megasas_disable_intr(instance->reg_set);
+ megasas_disable_intr(instance);
free_irq(instance->pdev->irq, instance);
/*
* Register ourselves as PCI hotplug module
*/
- rval = pci_module_init(&megasas_pci_driver);
+ rval = pci_register_driver(&megasas_pci_driver);
if (rval) {
printk(KERN_DEBUG "megasas: PCI hotplug regisration failed \n");