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path: root/drivers/scsi/qla2xxx
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Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c28
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c114
3 files changed, 142 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index e1e342889b2b..75ab898b02b0 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -23,6 +23,7 @@
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/firmware.h>
+#include <linux/aer.h>
#include <asm/semaphore.h>
#include <scsi/scsi.h>
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index eecae9905ece..dcfb24b198f0 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -34,6 +34,7 @@ qla2100_intr_handler(int irq, void *dev_id)
int status;
unsigned long flags;
unsigned long iter;
+ uint16_t hccr;
uint16_t mb[4];
ha = (scsi_qla_host_t *) dev_id;
@@ -48,7 +49,23 @@ qla2100_intr_handler(int irq, void *dev_id)
spin_lock_irqsave(&ha->hardware_lock, flags);
for (iter = 50; iter--; ) {
- if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
+ hccr = RD_REG_WORD(&reg->hccr);
+ if (hccr & HCCR_RISC_PAUSE) {
+ if (pci_channel_offline(ha->pdev))
+ break;
+
+ /*
+ * Issue a "HARD" reset in order for the RISC interrupt
+ * bit to be cleared. Schedule a big hammmer to get
+ * out of the RISC PAUSED state.
+ */
+ WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
+ RD_REG_WORD(&reg->hccr);
+
+ ha->isp_ops->fw_dump(ha, 1);
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ break;
+ } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
break;
if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
@@ -127,6 +144,9 @@ qla2300_intr_handler(int irq, void *dev_id)
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
if (stat & HSR_RISC_PAUSED) {
+ if (pci_channel_offline(ha->pdev))
+ break;
+
hccr = RD_REG_WORD(&reg->hccr);
if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
qla_printk(KERN_INFO, ha, "Parity error -- "
@@ -1499,6 +1519,9 @@ qla24xx_intr_handler(int irq, void *dev_id)
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->host_status);
if (stat & HSRX_RISC_PAUSED) {
+ if (pci_channel_offline(ha->pdev))
+ break;
+
hccr = RD_REG_DWORD(&reg->hccr);
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
@@ -1633,6 +1656,9 @@ qla24xx_msix_default(int irq, void *dev_id)
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(&reg->host_status);
if (stat & HSRX_RISC_PAUSED) {
+ if (pci_channel_offline(ha->pdev))
+ break;
+
hccr = RD_REG_DWORD(&reg->hccr);
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2a03400b6f72..a8ab2d3447ba 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -385,6 +385,11 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
srb_t *sp;
int rval;
+ if (unlikely(pci_channel_offline(ha->pdev))) {
+ cmd->result = DID_REQUEUE << 16;
+ goto qc_fail_command;
+ }
+
rval = fc_remote_port_chkready(rport);
if (rval) {
cmd->result = rval;
@@ -447,6 +452,11 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
int rval;
scsi_qla_host_t *pha = to_qla_parent(ha);
+ if (unlikely(pci_channel_offline(ha->pdev))) {
+ cmd->result = DID_REQUEUE << 16;
+ goto qc24_fail_command;
+ }
+
rval = fc_remote_port_chkready(rport);
if (rval) {
cmd->result = rval;
@@ -1571,6 +1581,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (pci_enable_device(pdev))
goto probe_out;
+ if (pci_find_aer_capability(pdev))
+ if (pci_enable_pcie_error_reporting(pdev))
+ goto probe_out;
+
sht = &qla2x00_driver_template;
if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
@@ -2814,6 +2828,105 @@ qla2x00_release_firmware(void)
up(&qla_fw_lock);
}
+static pci_ers_result_t
+qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+ switch (state) {
+ case pci_channel_io_normal:
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ pci_disable_device(pdev);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ qla2x00_remove_one(pdev);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+static pci_ers_result_t
+qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
+{
+ int risc_paused = 0;
+ uint32_t stat;
+ unsigned long flags;
+ scsi_qla_host_t *ha = pci_get_drvdata(pdev);
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+ struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (IS_QLA2100(ha) || IS_QLA2200(ha)){
+ stat = RD_REG_DWORD(&reg->hccr);
+ if (stat & HCCR_RISC_PAUSE)
+ risc_paused = 1;
+ } else if (IS_QLA23XX(ha)) {
+ stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
+ if (stat & HSR_RISC_PAUSED)
+ risc_paused = 1;
+ } else if (IS_FWI2_CAPABLE(ha)) {
+ stat = RD_REG_DWORD(&reg24->host_status);
+ if (stat & HSRX_RISC_PAUSED)
+ risc_paused = 1;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (risc_paused) {
+ qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
+ "Dumping firmware!\n");
+ ha->isp_ops->fw_dump(ha, 0);
+
+ return PCI_ERS_RESULT_NEED_RESET;
+ } else
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+static pci_ers_result_t
+qla2xxx_pci_slot_reset(struct pci_dev *pdev)
+{
+ pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
+ scsi_qla_host_t *ha = pci_get_drvdata(pdev);
+
+ if (pci_enable_device(pdev)) {
+ qla_printk(KERN_WARNING, ha,
+ "Can't re-enable PCI device after reset.\n");
+
+ return ret;
+ }
+ pci_set_master(pdev);
+
+ if (ha->isp_ops->pci_config(ha))
+ return ret;
+
+ set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
+ if (qla2x00_abort_isp(ha)== QLA_SUCCESS)
+ ret = PCI_ERS_RESULT_RECOVERED;
+ clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
+
+ return ret;
+}
+
+static void
+qla2xxx_pci_resume(struct pci_dev *pdev)
+{
+ scsi_qla_host_t *ha = pci_get_drvdata(pdev);
+ int ret;
+
+ ret = qla2x00_wait_for_hba_online(ha);
+ if (ret != QLA_SUCCESS) {
+ qla_printk(KERN_ERR, ha,
+ "the device failed to resume I/O "
+ "from slot/link_reset");
+ }
+ pci_cleanup_aer_uncorrect_error_status(pdev);
+}
+
+static struct pci_error_handlers qla2xxx_err_handler = {
+ .error_detected = qla2xxx_pci_error_detected,
+ .mmio_enabled = qla2xxx_pci_mmio_enabled,
+ .slot_reset = qla2xxx_pci_slot_reset,
+ .resume = qla2xxx_pci_resume,
+};
+
static struct pci_device_id qla2xxx_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
@@ -2839,6 +2952,7 @@ static struct pci_driver qla2xxx_pci_driver = {
.id_table = qla2xxx_pci_tbl,
.probe = qla2x00_probe_one,
.remove = __devexit_p(qla2x00_remove_one),
+ .err_handler = &qla2xxx_err_handler,
};
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 01:33:59 +0000