[SCSI] cxgb3i: subscribe to error notification from cxgb3 driver

Add error notification handling function which is called during chip reset.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 23 insertions, 4 deletions

diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
index e185dedc4c1f..ff6bfd66733f 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
@@ -53,11 +53,30 @@ static LIST_HEAD(cxgb3i_snic_list);
 static DEFINE_RWLOCK(cxgb3i_snic_rwlock);
 
 /**
- * cxgb3i_adapter_add - init a s3 adapter structure and any h/w settings
+ * cxgb3i_adpater_find_by_tdev - find the cxgb3i_adapter structure via t3cdev
+ * @tdev: t3cdev pointer
+ */
+struct cxgb3i_adapter *cxgb3i_adapter_find_by_tdev(struct t3cdev *tdev)
+{
+        struct cxgb3i_adapter *snic;
+
+        read_lock(&cxgb3i_snic_rwlock);
+        list_for_each_entry(snic, &cxgb3i_snic_list, list_head) {
+                if (snic->tdev == tdev) {
+                        read_unlock(&cxgb3i_snic_rwlock);
+                        return snic;
+                }
+        }
+        read_unlock(&cxgb3i_snic_rwlock);
+        return NULL;
+}
+
+/**
+ * cxgb3i_adapter_open - init a s3 adapter structure and any h/w settings
  * @t3dev: t3cdev adapter
  * return the resulting cxgb3i_adapter struct
  */
-struct cxgb3i_adapter *cxgb3i_adapter_add(struct t3cdev *t3dev)
+struct cxgb3i_adapter *cxgb3i_adapter_open(struct t3cdev *t3dev)
 {
         struct cxgb3i_adapter *snic;
         struct adapter *adapter = tdev2adap(t3dev);
@@ -101,10 +120,10 @@ free_snic:
 }
 
 /**
- * cxgb3i_adapter_remove - release the resources held and cleanup h/w settings
+ * cxgb3i_adapter_close - release the resources held and cleanup h/w settings
  * @t3dev: t3cdev adapter
  */
-void cxgb3i_adapter_remove(struct t3cdev *t3dev)
+void cxgb3i_adapter_close(struct t3cdev *t3dev)
 {
         int i;
         struct cxgb3i_adapter *snic;