[SCSI] qla4xxx: Added AER support for ISP82xx

Added support for PCI error handling

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Poornima Vonti <poornima.vonti@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 29 insertions, 1 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 6c9262753243..9dc0a6616edd 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -36,6 +36,24 @@
 #include "ql4_dbg.h"
 #include "ql4_nx.h"
 
+#if defined(CONFIG_PCIEAER)
+#include <linux/aer.h>
+#else
+/* AER releated */
+static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
+{
+        return -EINVAL;
+}
+static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
+{
+        return -EINVAL;
+}
+static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
+{
+        return -EINVAL;
+}
+#endif
+
 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
 #define PCI_DEVICE_ID_QLOGIC_ISP4010    0x4010
 #endif
@@ -381,7 +399,8 @@ struct scsi_qla_host {
 #define AF_MSIX_ENABLED                 17 /* 0x00020000 */
 #define AF_MBOX_COMMAND_NOPOLL          18 /* 0x00040000 */
 #define AF_FW_RECOVERY                  19 /* 0x00080000 */
-
+#define AF_EEH_BUSY                     20 /* 0x00100000 */
+#define AF_PCI_CHANNEL_IO_PERM_FAILURE  21 /* 0x00200000 */
 
         unsigned long dpc_flags;
 
@@ -617,6 +636,15 @@ static inline int is_qla8022(struct scsi_qla_host *ha)
         return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
 }
 
+/* Note: Currently AER/EEH is now supported only for 8022 cards
+ * This function needs to be updated when AER/EEH is enabled
+ * for other cards.
+ */
+static inline int is_aer_supported(struct scsi_qla_host *ha)
+{
+        return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
+}
+
 static inline int adapter_up(struct scsi_qla_host *ha)
 {
         return (test_bit(AF_ONLINE, &ha->flags) != 0) &&