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authorTej Parkash <tej.parkash@qlogic.com>2013-12-16 12:49:38 +0100
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 18:19:13 +0100
commitdaa34eb4a90f9247f29d8a74586457ff2fcbc87f (patch)
tree239963ea6534d786c1c8bd8d51fdfb0289907ede /drivers/scsi/qla4xxx
parent[SCSI] qla4xxx: Correctly handle msleep_interruptible (diff)
downloadlinux-daa34eb4a90f9247f29d8a74586457ff2fcbc87f.tar.xz
linux-daa34eb4a90f9247f29d8a74586457ff2fcbc87f.zip
[SCSI] qla4xxx: Fixed AER reset sequence for ISP83xx/ISP84xx
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx')
-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h3
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c46
2 files changed, 29 insertions, 20 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 52363375d484..4e1113370faf 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -909,7 +909,8 @@ static inline int is_qla80XX(struct scsi_qla_host *ha)
static inline int is_aer_supported(struct scsi_qla_host *ha)
{
return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
- (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324));
+ (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
+ (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
}
static inline int adapter_up(struct scsi_qla_host *ha)
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index e6fa19cc0d32..a78edc3b3d3b 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -9579,28 +9579,36 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
}
fn = PCI_FUNC(ha->pdev->devfn);
- while (fn > 0) {
- fn--;
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at "
- "func %x\n", ha->host_no, __func__, fn);
- /* Get the pci device given the domain, bus,
- * slot/function number */
- other_pdev =
- pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
- ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
- fn));
-
- if (!other_pdev)
- continue;
+ if (is_qla8022(ha)) {
+ while (fn > 0) {
+ fn--;
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
+ ha->host_no, __func__, fn);
+ /* Get the pci device given the domain, bus,
+ * slot/function number */
+ other_pdev = pci_get_domain_bus_and_slot(
+ pci_domain_nr(ha->pdev->bus),
+ ha->pdev->bus->number,
+ PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
+ fn));
+
+ if (!other_pdev)
+ continue;
- if (atomic_read(&other_pdev->enable_cnt)) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI "
- "func in enabled state%x\n", ha->host_no,
- __func__, fn);
+ if (atomic_read(&other_pdev->enable_cnt)) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
+ ha->host_no, __func__, fn);
+ pci_dev_put(other_pdev);
+ break;
+ }
pci_dev_put(other_pdev);
- break;
}
- pci_dev_put(other_pdev);
+ } else {
+ /* this case is meant for ISP83xx/ISP84xx only */
+ if (qla4_83xx_can_perform_reset(ha)) {
+ /* reset fn as iSCSI is going to perform the reset */
+ fn = 0;
+ }
}
/* The first function on the card, the reset owner will