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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/scsi/bfa/
1/*
2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 */
17
18#ifndef __BFA_CALLBACK_PRIV_H__
19#define __BFA_CALLBACK_PRIV_H__
20
21#include <cs/bfa_q.h>
22
23typedef void    (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
24
25/**
26 * Generic BFA callback element.
27 */
28struct bfa_cb_qe_s {
29	struct list_head         qe;
30	bfa_cb_cbfn_t  cbfn;
31	bfa_boolean_t   once;
32	u32		rsvd;
33	void           *cbarg;
34};
35
36#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do {		\
37	(__hcb_qe)->cbfn  = (__cbfn);      \
38	(__hcb_qe)->cbarg = (__cbarg);      \
39	list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);      \
40} while (0)
41
42#define bfa_cb_dequeue(__hcb_qe)	list_del(&(__hcb_qe)->qe)
43
44#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do {	\
45	(__hcb_qe)->cbfn  = (__cbfn);      \
46	(__hcb_qe)->cbarg = (__cbarg);      \
47	if (!(__hcb_qe)->once) {      \
48		list_add_tail((__hcb_qe), &(__bfa)->comp_q);      \
49		(__hcb_qe)->once = BFA_TRUE;				\
50	}								\
51} while (0)
52
53#define bfa_cb_queue_done(__hcb_qe) do {				\
54	(__hcb_qe)->once = BFA_FALSE;					\
55} while (0)
56
57#endif /* __BFA_CALLBACK_PRIV_H__ */
58