| Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 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__ */ |