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authorChad Dupuis <chad.dupuis@qlogic.com>2013-10-30 08:38:16 +0100
committerJames Bottomley <JBottomley@Parallels.com>2013-12-19 16:38:58 +0100
commitf3ddac1918fe963bcbf8d407a3a3c0881b47248b (patch)
tree307e736319180d8930154ce40309f017e3696673 /drivers/scsi/qla2xxx/qla_def.h
parent[SCSI] qla2xxx: Refactor shutdown code so some functionality can be reused. (diff)
downloadlinux-f3ddac1918fe963bcbf8d407a3a3c0881b47248b.tar.xz
linux-f3ddac1918fe963bcbf8d407a3a3c0881b47248b.zip
[SCSI] qla2xxx: Disable adapter when we encounter a PCI disconnect.
If we become disconnected from the PCI bus/PCIe fabric, there can be long delays in register reads which can cause erroneous decisions to be made and cause a soft lockup if a lock is held too long. As a preventative measure, check for a disconnection (register reads that return -1) and then disable the board if we find ourselves in this condition. For now, check in our interrupt handlers and the per adapter one second timer. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 82b18c0c7e08..0fb01e1e213c 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -3301,6 +3301,7 @@ struct qla_hw_data {
struct work_struct nic_core_reset;
struct work_struct idc_state_handler;
struct work_struct nic_core_unrecoverable;
+ struct work_struct board_disable;
struct mr_data_fx00 mr;