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path: root/drivers/scsi/pm8001/pm8001_init.c
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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_init.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c116
1 files changed, 68 insertions, 48 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 34f5f5ffef0..e90c89f1d48 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -175,20 +175,16 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
static void pm8001_tasklet(unsigned long opaque)
{
struct pm8001_hba_info *pm8001_ha;
- u32 vec;
- pm8001_ha = (struct pm8001_hba_info *)opaque;
+ struct isr_param *irq_vector;
+
+ irq_vector = (struct isr_param *)opaque;
+ pm8001_ha = irq_vector->drv_inst;
if (unlikely(!pm8001_ha))
BUG_ON(1);
- vec = pm8001_ha->int_vector;
- PM8001_CHIP_DISP->isr(pm8001_ha, vec);
+ PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
}
#endif
-static struct pm8001_hba_info *outq_to_hba(u8 *outq)
-{
- return container_of((outq - *outq), struct pm8001_hba_info, outq[0]);
-}
-
/**
* pm8001_interrupt_handler_msix - main MSIX interrupt handler.
* It obtains the vector number and calls the equivalent bottom
@@ -198,18 +194,20 @@ static struct pm8001_hba_info *outq_to_hba(u8 *outq)
*/
static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
{
- struct pm8001_hba_info *pm8001_ha = outq_to_hba(opaque);
- u8 outq = *(u8 *)opaque;
+ struct isr_param *irq_vector;
+ struct pm8001_hba_info *pm8001_ha;
irqreturn_t ret = IRQ_HANDLED;
+ irq_vector = (struct isr_param *)opaque;
+ pm8001_ha = irq_vector->drv_inst;
+
if (unlikely(!pm8001_ha))
return IRQ_NONE;
if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
return IRQ_NONE;
- pm8001_ha->int_vector = outq;
#ifdef PM8001_USE_TASKLET
- tasklet_schedule(&pm8001_ha->tasklet);
+ tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
#else
- ret = PM8001_CHIP_DISP->isr(pm8001_ha, outq);
+ ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
#endif
return ret;
}
@@ -230,9 +228,8 @@ static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
return IRQ_NONE;
- pm8001_ha->int_vector = 0;
#ifdef PM8001_USE_TASKLET
- tasklet_schedule(&pm8001_ha->tasklet);
+ tasklet_schedule(&pm8001_ha->tasklet[0]);
#else
ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
#endif
@@ -457,7 +454,7 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
{
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
-
+ int j;
pm8001_ha = sha->lldd_ha;
if (!pm8001_ha)
@@ -480,12 +477,14 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
pm8001_ha->iomb_size = IOMB_SIZE_SPC;
#ifdef PM8001_USE_TASKLET
- /**
- * default tasklet for non msi-x interrupt handler/first msi-x
- * interrupt handler
- **/
- tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
- (unsigned long)pm8001_ha);
+ /* Tasklet for non msi-x interrupt handler */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[0]));
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[j]));
#endif
pm8001_ioremap(pm8001_ha);
if (!pm8001_alloc(pm8001_ha, ent))
@@ -626,7 +625,7 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->nvmd_completion = &completion;
if (pm8001_ha->chip_id == chip_8001) {
- if (deviceid == 0x8081) {
+ if (deviceid == 0x8081 || deviceid == 0x0042) {
payload.minor_function = 4;
payload.length = 4096;
} else {
@@ -647,6 +646,9 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
if (deviceid == 0x8081)
pm8001_ha->sas_addr[j] =
payload.func_specific[0x704 + i];
+ else if (deviceid == 0x0042)
+ pm8001_ha->sas_addr[j] =
+ payload.func_specific[0x010 + i];
} else
pm8001_ha->sas_addr[j] =
payload.func_specific[0x804 + i];
@@ -675,7 +677,7 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
* pm8001_get_phy_settings_info : Read phy setting values.
* @pm8001_ha : our hba.
*/
-void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
+static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
{
#ifdef PM8001_READ_VPD
@@ -689,11 +691,15 @@ void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
payload.offset = 0;
payload.length = 4096;
payload.func_specific = kzalloc(4096, GFP_KERNEL);
+ if (!payload.func_specific)
+ return -ENOMEM;
/* Read phy setting values from flash */
PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
wait_for_completion(&completion);
pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
+ kfree(payload.func_specific);
#endif
+ return 0;
}
#ifdef PM8001_USE_MSIX
@@ -714,11 +720,9 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
/* SPCv controllers supports 64 msi-x */
if (pm8001_ha->chip_id == chip_8001) {
number_of_intr = 1;
- flag |= IRQF_DISABLED;
} else {
number_of_intr = PM8001_MAX_MSIX_VEC;
flag &= ~IRQF_SHARED;
- flag |= IRQF_DISABLED;
}
max_entry = sizeof(pm8001_ha->msix_entries) /
@@ -733,19 +737,20 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
"pci_enable_msix request ret:%d no of intr %d\n",
rc, pm8001_ha->number_of_intr));
- for (i = 0; i < number_of_intr; i++)
- pm8001_ha->outq[i] = i;
for (i = 0; i < number_of_intr; i++) {
snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
DRV_NAME"%d", i);
+ pm8001_ha->irq_vector[i].irq_id = i;
+ pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
+
if (request_irq(pm8001_ha->msix_entries[i].vector,
pm8001_interrupt_handler_msix, flag,
- intr_drvname[i], &pm8001_ha->outq[i])) {
+ intr_drvname[i], &(pm8001_ha->irq_vector[i]))) {
for (j = 0; j < i; j++)
free_irq(
pm8001_ha->msix_entries[j].vector,
- &pm8001_ha->outq[j]);
+ &(pm8001_ha->irq_vector[i]));
pci_disable_msix(pm8001_ha->pdev);
break;
}
@@ -878,8 +883,11 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
pm8001_init_sas_add(pm8001_ha);
/* phy setting support for motherboard controller */
if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 &&
- pdev->subsystem_vendor != 0)
- pm8001_get_phy_settings_info(pm8001_ha);
+ pdev->subsystem_vendor != 0) {
+ rc = pm8001_get_phy_settings_info(pm8001_ha);
+ if (rc)
+ goto err_out_shost;
+ }
pm8001_post_sas_ha_init(shost, chip);
rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
if (rc)
@@ -907,7 +915,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
{
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
struct pm8001_hba_info *pm8001_ha;
- int i;
+ int i, j;
pm8001_ha = sha->lldd_ha;
sas_unregister_ha(sha);
sas_remove_host(pm8001_ha->shost);
@@ -921,13 +929,18 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
synchronize_irq(pm8001_ha->msix_entries[i].vector);
for (i = 0; i < pm8001_ha->number_of_intr; i++)
free_irq(pm8001_ha->msix_entries[i].vector,
- &pm8001_ha->outq[i]);
+ &(pm8001_ha->irq_vector[i]));
pci_disable_msix(pdev);
#else
free_irq(pm8001_ha->irq, sha);
#endif
#ifdef PM8001_USE_TASKLET
- tasklet_kill(&pm8001_ha->tasklet);
+ /* For non-msix and msix interrupts */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_kill(&pm8001_ha->tasklet[0]);
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_kill(&pm8001_ha->tasklet[j]);
#endif
pm8001_free(pm8001_ha);
kfree(sha->sas_phy);
@@ -948,7 +961,7 @@ static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
struct pm8001_hba_info *pm8001_ha;
- int i;
+ int i, j;
u32 device_state;
pm8001_ha = sha->lldd_ha;
flush_workqueue(pm8001_wq);
@@ -964,13 +977,18 @@ static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
synchronize_irq(pm8001_ha->msix_entries[i].vector);
for (i = 0; i < pm8001_ha->number_of_intr; i++)
free_irq(pm8001_ha->msix_entries[i].vector,
- &pm8001_ha->outq[i]);
+ &(pm8001_ha->irq_vector[i]));
pci_disable_msix(pdev);
#else
free_irq(pm8001_ha->irq, sha);
#endif
#ifdef PM8001_USE_TASKLET
- tasklet_kill(&pm8001_ha->tasklet);
+ /* For non-msix and msix interrupts */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_kill(&pm8001_ha->tasklet[0]);
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_kill(&pm8001_ha->tasklet[j]);
#endif
device_state = pci_choose_state(pdev, state);
pm8001_printk("pdev=0x%p, slot=%s, entering "
@@ -993,7 +1011,7 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
struct pm8001_hba_info *pm8001_ha;
int rc;
- u8 i = 0;
+ u8 i = 0, j;
u32 device_state;
pm8001_ha = sha->lldd_ha;
device_state = pdev->current_state;
@@ -1033,10 +1051,14 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
if (rc)
goto err_out_disable;
#ifdef PM8001_USE_TASKLET
- /* default tasklet for non msi-x interrupt handler/first msi-x
- * interrupt handler */
- tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
- (unsigned long)pm8001_ha);
+ /* Tasklet for non msi-x interrupt handler */
+ if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
+ tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[0]));
+ else
+ for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
+ tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
+ (unsigned long)&(pm8001_ha->irq_vector[j]));
#endif
PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
if (pm8001_ha->chip_id != chip_8001) {
@@ -1058,10 +1080,7 @@ err_out_enable:
*/
static struct pci_device_id pm8001_pci_table[] = {
{ PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
- {
- PCI_DEVICE(0x117c, 0x0042),
- .driver_data = chip_8001
- },
+ { PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
/* Support for SPC/SPCv/SPCve controllers */
{ PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
{ PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
@@ -1169,6 +1188,7 @@ module_exit(pm8001_exit);
MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
+MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
MODULE_DESCRIPTION(
"PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 "
"SAS/SATA controller driver");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-13 14:46:14 +0000