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Commit daa34eb4 authored Dec 16, 2013 by Tej Parkash Committed by James Bottomley Mar 15, 2014

[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>

parent 32436aaa

drivers/scsi/qla4xxx/ql4_def.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -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)

drivers/scsi/qla4xxx/ql4_os.c

+27 −19

Original line number	Diff line number	Diff line
		@@ -9579,29 +9579,37 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
		}

		fn = PCI_FUNC(ha->pdev->devfn);
		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);
		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),
		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);
		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);
		}
		} 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
		* start & initialize the firmware. The other functions