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7725ccfd JH |
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 | ||
23 | typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete); | |
24 | ||
25 | /** | |
26 | * Generic BFA callback element. | |
27 | */ | |
28 | struct 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__ */ |