xref: /freebsd/sys/dev/ocs_fc/ocs_domain.h (revision 8881d206f4e68b564c2c5f50fc717086fc3e827a)
1 /*-
2  * Copyright (c) 2017 Broadcom. All rights reserved.
3  * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  *    this list of conditions and the following disclaimer in the documentation
13  *    and/or other materials provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  * $FreeBSD$
32  */
33 
34 /**
35  * @file
36  * Declare driver's domain handler exported interface
37  */
38 
39 #if !defined(__OCS_DOMAIN_H__)
40 #define __OCS_DOMAIN_H__
41 extern int32_t ocs_domain_init(ocs_t *ocs, ocs_domain_t *domain);
42 extern ocs_domain_t *ocs_domain_find(ocs_t *ocs, uint64_t fcf_wwn);
43 extern ocs_domain_t *ocs_domain_alloc(ocs_t *ocs, uint64_t fcf_wwn);
44 extern void ocs_domain_free(ocs_domain_t *domain);
45 extern void ocs_domain_force_free(ocs_domain_t *domain);
46 extern void ocs_register_domain_list_empty_cb(ocs_t *ocs, void (*callback)(ocs_t *ocs, void *arg), void *arg);
47 extern uint64_t ocs_get_wwn(ocs_hw_t *hw, ocs_hw_property_e prop);
48 
49 static inline void
50 ocs_domain_lock_init(ocs_domain_t *domain)
51 {
52 }
53 
54 static inline int32_t
55 ocs_domain_lock_try(ocs_domain_t *domain)
56 {
57 	/* Use the device wide lock */
58 	return ocs_device_lock_try(domain->ocs);
59 }
60 
61 static inline void
62 ocs_domain_lock(ocs_domain_t *domain)
63 {
64 	/* Use the device wide lock */
65 	ocs_device_lock(domain->ocs);
66 }
67 
68 static inline void
69 ocs_domain_unlock(ocs_domain_t *domain)
70 {
71 	/* Use the device wide lock */
72 	ocs_device_unlock(domain->ocs);
73 }
74 
75 extern int32_t ocs_domain_cb(void *arg, ocs_hw_domain_event_e event, void *data);
76 extern void *__ocs_domain_init(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
77 extern void *__ocs_domain_wait_alloc(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
78 extern void *__ocs_domain_allocated(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
79 extern void *__ocs_domain_wait_attach(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
80 extern void *__ocs_domain_ready(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
81 extern void *__ocs_domain_wait_sports_free(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
82 extern void *__ocs_domain_wait_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
83 extern void *__ocs_domain_wait_domain_lost(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
84 
85 extern void ocs_domain_save_sparms(ocs_domain_t *domain, void *payload);
86 extern void ocs_domain_attach(ocs_domain_t *domain, uint32_t s_id);
87 extern int ocs_domain_post_event(ocs_domain_t *domain, ocs_sm_event_t, void *);
88 
89 extern int ocs_ddump_domain(ocs_textbuf_t *textbuf, ocs_domain_t *domain);
90 extern void __ocs_domain_attach_internal(ocs_domain_t *domain, uint32_t s_id);;
91 #endif
92