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From: <vikas.chaudhary@qlogic.com>
To: jbottomley@parallels.com, michaelc@cs.wisc.edu
Cc: linux-scsi@vger.kernel.org, vikas.chaudhary@qlogic.com,
	lalit.chandivade@qlogic.com, Tej Parkash <tej.parkash@qlogic.com>
Subject: [PATCH 08/24] qla4xxx: Fixed AER reset sequence for ISP83xx/ISP84xx
Date: Mon, 16 Dec 2013 06:49:38 -0500	[thread overview]
Message-ID: <1387194594-29817-9-git-send-email-vikas.chaudhary@qlogic.com> (raw)
In-Reply-To: <1387194594-29817-1-git-send-email-vikas.chaudhary@qlogic.com>

From: Tej Parkash <tej.parkash@qlogic.com>

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
---
 drivers/scsi/qla4xxx/ql4_def.h |  3 ++-
 drivers/scsi/qla4xxx/ql4_os.c  | 46 +++++++++++++++++++++++++-----------------
 2 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 5236337..4e11133 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 e6fa19c..a78edc3 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
-- 
1.8.2.GIT


  parent reply	other threads:[~2013-12-16 12:23 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-16 11:49 [PATCH 0/24] qla4xxx: 5.04.00-k4: Updates for scsi "misc" branch vikas.chaudhary
2013-12-16 11:49 ` [PATCH 01/24] qla4xxx: ISP8xxx: Correct retry of adapter initialization vikas.chaudhary
2013-12-16 11:49 ` [PATCH 02/24] qla4xxx: Print WARN_ONCE() if iSCSI function presence bit removed vikas.chaudhary
2013-12-16 11:49 ` [PATCH 03/24] qla4xxx: Fix comments in code vikas.chaudhary
2013-12-16 11:49 ` [PATCH 04/24] qla4xxx: Use IDC_CTRL bit1 directly instead of AF_83XX_NO_FWDUMP flag vikas.chaudhary
2013-12-16 11:49 ` [PATCH 05/24] qla4xxx: Improve loopback failure messages vikas.chaudhary
2013-12-16 11:49 ` [PATCH 06/24] qla4xxx: Rename ACB_STATE macros with IP_ADDRSTATE macros vikas.chaudhary
2013-12-16 11:49 ` [PATCH 07/24] qla4xxx: Correctly handle msleep_interruptible vikas.chaudhary
2013-12-16 11:49 ` vikas.chaudhary [this message]
2013-12-16 11:49 ` [PATCH 09/24] qla4xxx: Return correct error status from func qla4xxx_request_irqs() vikas.chaudhary
2013-12-16 11:49 ` [PATCH 10/24] qla4xxx: Clear DDB index map upon connection close failure vikas.chaudhary
2013-12-16 11:49 ` [PATCH 11/24] qla4xxx: Fix failure of IDC Time Extend mailbox command vikas.chaudhary
2013-12-16 11:49 ` [PATCH 12/24] qla4xxx: Fix processing response queue during probe vikas.chaudhary
2013-12-16 11:49 ` [PATCH 13/24] qla4xxx: Fix pending IO completion in reset path before initiating chip reset vikas.chaudhary
2013-12-16 11:49 ` [PATCH 14/24] qla4xxx: Driver not able to collect minidump for ISP84xx vikas.chaudhary
2013-12-16 11:49 ` [PATCH 15/24] qla4xxx: Reduce rom-lock contention during reset recovery vikas.chaudhary
2013-12-16 11:49 ` [PATCH 16/24] qla4xxx: Fix failure of mbox 0x31 vikas.chaudhary
2014-01-17  8:30   ` Mike Christie
2014-01-17 10:34     ` Vikas Chaudhary
2013-12-16 11:49 ` [PATCH 17/24] qla4xxx: Remove unused code from qla4xxx_set_ifcb() vikas.chaudhary
2013-12-16 11:49 ` [PATCH 18/24] qla4xxx: Updated print for device login, logout path vikas.chaudhary
2013-12-16 11:49 ` [PATCH 19/24] qla4xxx: Update print statements in qla4xxx_mailbox_command() vikas.chaudhary
2013-12-16 11:49 ` [PATCH 20/24] qla4xxx: Update print statements in func qla4xxx_eh_abort() vikas.chaudhary
2013-12-16 11:49 ` [PATCH 21/24] qla4xxx: Update print statements in func qla4xxx_do_dpc() vikas.chaudhary
2013-12-16 11:49 ` [PATCH 22/24] qla4xxx: Handle IPv6 AEN notifications vikas.chaudhary
2013-12-16 11:49 ` [PATCH 23/24] qla4xxx: Fix sparse warnings vikas.chaudhary
2013-12-16 11:49 ` [PATCH 24/24] qla4xxx: Update driver version to 5.04.00-k4 vikas.chaudhary
2014-01-17 18:20 ` [PATCH 0/24] qla4xxx: 5.04.00-k4: Updates for scsi "misc" branch Mike Christie

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