[SCSI] bfa: Serialize the IOC hw semaphore unlock logic.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / bfa / bfa_port.h
1 /*
2 * Copyright (c) 2005-2010 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_PORT_H__
19 #define __BFA_PORT_H__
20
21 #include "bfa_defs_svc.h"
22 #include "bfa_ioc.h"
23 #include "bfa_cs.h"
24
25 typedef void (*bfa_port_stats_cbfn_t) (void *dev, bfa_status_t status);
26 typedef void (*bfa_port_endis_cbfn_t) (void *dev, bfa_status_t status);
27
28 struct bfa_port_s {
29 void *dev;
30 struct bfa_ioc_s *ioc;
31 struct bfa_trc_mod_s *trcmod;
32 u32 msgtag;
33 bfa_boolean_t stats_busy;
34 struct bfa_mbox_cmd_s stats_mb;
35 bfa_port_stats_cbfn_t stats_cbfn;
36 void *stats_cbarg;
37 bfa_status_t stats_status;
38 u32 stats_reset_time;
39 union bfa_port_stats_u *stats;
40 struct bfa_dma_s stats_dma;
41 bfa_boolean_t endis_pending;
42 struct bfa_mbox_cmd_s endis_mb;
43 bfa_port_endis_cbfn_t endis_cbfn;
44 void *endis_cbarg;
45 bfa_status_t endis_status;
46 struct bfa_ioc_notify_s ioc_notify;
47 bfa_boolean_t pbc_disabled;
48 struct bfa_mem_dma_s port_dma;
49 };
50
51 #define BFA_MEM_PORT_DMA(__bfa) (&((__bfa)->modules.port.port_dma))
52
53 void bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc,
54 void *dev, struct bfa_trc_mod_s *trcmod);
55 void bfa_port_notify(void *arg, enum bfa_ioc_event_e event);
56
57 bfa_status_t bfa_port_get_stats(struct bfa_port_s *port,
58 union bfa_port_stats_u *stats,
59 bfa_port_stats_cbfn_t cbfn, void *cbarg);
60 bfa_status_t bfa_port_clear_stats(struct bfa_port_s *port,
61 bfa_port_stats_cbfn_t cbfn, void *cbarg);
62 bfa_status_t bfa_port_enable(struct bfa_port_s *port,
63 bfa_port_endis_cbfn_t cbfn, void *cbarg);
64 bfa_status_t bfa_port_disable(struct bfa_port_s *port,
65 bfa_port_endis_cbfn_t cbfn, void *cbarg);
66 u32 bfa_port_meminfo(void);
67 void bfa_port_mem_claim(struct bfa_port_s *port,
68 u8 *dma_kva, u64 dma_pa);
69
70 /*
71 * CEE declaration
72 */
73 typedef void (*bfa_cee_get_attr_cbfn_t) (void *dev, bfa_status_t status);
74 typedef void (*bfa_cee_get_stats_cbfn_t) (void *dev, bfa_status_t status);
75 typedef void (*bfa_cee_reset_stats_cbfn_t) (void *dev, bfa_status_t status);
76
77 struct bfa_cee_cbfn_s {
78 bfa_cee_get_attr_cbfn_t get_attr_cbfn;
79 void *get_attr_cbarg;
80 bfa_cee_get_stats_cbfn_t get_stats_cbfn;
81 void *get_stats_cbarg;
82 bfa_cee_reset_stats_cbfn_t reset_stats_cbfn;
83 void *reset_stats_cbarg;
84 };
85
86 struct bfa_cee_s {
87 void *dev;
88 bfa_boolean_t get_attr_pending;
89 bfa_boolean_t get_stats_pending;
90 bfa_boolean_t reset_stats_pending;
91 bfa_status_t get_attr_status;
92 bfa_status_t get_stats_status;
93 bfa_status_t reset_stats_status;
94 struct bfa_cee_cbfn_s cbfn;
95 struct bfa_ioc_notify_s ioc_notify;
96 struct bfa_trc_mod_s *trcmod;
97 struct bfa_cee_attr_s *attr;
98 struct bfa_cee_stats_s *stats;
99 struct bfa_dma_s attr_dma;
100 struct bfa_dma_s stats_dma;
101 struct bfa_ioc_s *ioc;
102 struct bfa_mbox_cmd_s get_cfg_mb;
103 struct bfa_mbox_cmd_s get_stats_mb;
104 struct bfa_mbox_cmd_s reset_stats_mb;
105 struct bfa_mem_dma_s cee_dma;
106 };
107
108 #define BFA_MEM_CEE_DMA(__bfa) (&((__bfa)->modules.cee.cee_dma))
109
110 u32 bfa_cee_meminfo(void);
111 void bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa);
112 void bfa_cee_attach(struct bfa_cee_s *cee,
113 struct bfa_ioc_s *ioc, void *dev);
114 bfa_status_t bfa_cee_get_attr(struct bfa_cee_s *cee,
115 struct bfa_cee_attr_s *attr,
116 bfa_cee_get_attr_cbfn_t cbfn, void *cbarg);
117 bfa_status_t bfa_cee_get_stats(struct bfa_cee_s *cee,
118 struct bfa_cee_stats_s *stats,
119 bfa_cee_get_stats_cbfn_t cbfn, void *cbarg);
120 bfa_status_t bfa_cee_reset_stats(struct bfa_cee_s *cee,
121 bfa_cee_reset_stats_cbfn_t cbfn, void *cbarg);
122
123 #endif /* __BFA_PORT_H__ */