1 files changed, 57 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_callback_priv.h b/drivers/scsi/bfa/bfa_callback_priv.h
new file mode 100644
index 000000000000..1e3265c9f7d4
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_callback_priv.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __BFA_CALLBACK_PRIV_H__
+#define __BFA_CALLBACK_PRIV_H__
+
+#include <cs/bfa_q.h>
+
+typedef void    (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+
+/**
+ * Generic BFA callback element.
+ */
+struct bfa_cb_qe_s {
+        struct list_head         qe;
+        bfa_cb_cbfn_t  cbfn;
+        bfa_boolean_t   once;
+        u32             rsvd;
+        void           *cbarg;
+};
+
+#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do {             \
+        (__hcb_qe)->cbfn  = (__cbfn);      \
+        (__hcb_qe)->cbarg = (__cbarg);      \
+        list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);      \
+} while (0)
+
+#define bfa_cb_dequeue(__hcb_qe)        list_del(&(__hcb_qe)->qe)
+
+#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do {        \
+        (__hcb_qe)->cbfn  = (__cbfn);      \
+        (__hcb_qe)->cbarg = (__cbarg);      \
+        if (!(__hcb_qe)->once) {      \
+                list_add_tail((__hcb_qe), &(__bfa)->comp_q);      \
+                (__hcb_qe)->once = BFA_TRUE;                            \
+        }                                                               \
+} while (0)
+
+#define bfa_cb_queue_done(__hcb_qe) do {                                \
+        (__hcb_qe)->once = BFA_FALSE;                                   \
+} while (0)
+
+#endif /* __BFA_CALLBACK_PRIV_H__ */