xref: /illumos-gate/usr/src/uts/common/sys/fibre-channel/fca/emlxs/emlxs_thread.h (revision bb63f56ebeb244bd34f5e8d50900e3420f01b394)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Emulex.  All rights reserved.
24  * Use is subject to License terms.
25  */
26 
27 
28 #ifndef _EMLXS_THREAD_H
29 #define	_EMLXS_THREAD_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 
36 #define	EMLXS_MAX_TASKQ_THREADS	4
37 
38 typedef struct emlxs_thread
39 {
40 	struct emlxs_thread	*next;
41 	struct emlxs_thread	*prev;
42 
43 	struct emlxs_hba	*hba;
44 
45 	kthread_t		*thread;
46 	uint32_t		flags;
47 
48 	void			(*func) (void *);
49 	void			*arg1;
50 	void			*arg2;
51 
52 	kmutex_t		lock;
53 	kcondvar_t		cv_flag;
54 } emlxs_thread_t;
55 
56 
57 typedef struct emlxs_taskq_thread
58 {
59 	struct emlxs_taskq_thread	*next;
60 	struct emlxs_taskq		*taskq;
61 
62 	kthread_t			*thread;
63 	uint32_t			flags;
64 
65 	void				(*func) (void *);
66 	void				*arg;
67 
68 	kmutex_t			lock;
69 	kcondvar_t			cv_flag;
70 } emlxs_taskq_thread_t;
71 
72 
73 typedef struct emlxs_taskq
74 {
75 	emlxs_taskq_thread_t	thread_list[EMLXS_MAX_TASKQ_THREADS];
76 
77 	void			*hba;
78 
79 	emlxs_taskq_thread_t	*get_head;
80 	uint32_t		get_count;
81 	uint32_t		open;
82 	kmutex_t		get_lock;
83 
84 	emlxs_taskq_thread_t	*put_head;
85 	uint32_t		put_count;
86 	kmutex_t		put_lock;
87 } emlxs_taskq_t;
88 
89 /* flags */
90 #define	EMLXS_THREAD_INITD	0x00000001
91 #define	EMLXS_THREAD_STARTED	0x00000002
92 #define	EMLXS_THREAD_ASLEEP	0x00000004
93 #define	EMLXS_THREAD_BUSY	0x00000008
94 #define	EMLXS_THREAD_KILLED	0x00000010
95 #define	EMLXS_THREAD_ENDED	0x00000020
96 #define	EMLXS_THREAD_TRIGGERED	0x80000000
97 #define	EMLXS_THREAD_RUN_ONCE	0x00000100
98 
99 #ifdef	__cplusplus
100 }
101 #endif
102 
103 #endif	/* _EMLXS_THREAD_H */
104