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
9  * http://www.opensource.org/licenses/cddl1.txt.
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 (c) 2004-2011 Emulex. All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _EMLXS_THREAD_H
28 #define	_EMLXS_THREAD_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 
35 #define	EMLXS_MAX_TASKQ_THREADS	4
36 
37 typedef struct emlxs_thread
38 {
39 	struct emlxs_thread	*next;
40 	struct emlxs_thread	*prev;
41 
42 	struct emlxs_hba	*hba;
43 
44 	kthread_t		*thread;
45 	uint32_t		flags;
46 
47 	void			(*func) (void *);
48 	void			*arg1;
49 	void			*arg2;
50 
51 	kmutex_t		lock;
52 	kcondvar_t		cv_flag;
53 } emlxs_thread_t;
54 
55 
56 typedef struct emlxs_taskq_thread
57 {
58 	struct emlxs_taskq_thread	*next;
59 	struct emlxs_taskq		*taskq;
60 
61 	kthread_t			*thread;
62 	uint32_t			flags;
63 
64 	void				(*func) (void *);
65 	void				*arg;
66 
67 	kmutex_t			lock;
68 	kcondvar_t			cv_flag;
69 } emlxs_taskq_thread_t;
70 
71 
72 typedef struct emlxs_taskq
73 {
74 	emlxs_taskq_thread_t	thread_list[EMLXS_MAX_TASKQ_THREADS];
75 
76 	void			*hba;
77 
78 	emlxs_taskq_thread_t	*get_head;
79 	uint32_t		get_count;
80 	uint32_t		open;
81 	kmutex_t		get_lock;
82 
83 	emlxs_taskq_thread_t	*put_head;
84 	uint32_t		put_count;
85 	kmutex_t		put_lock;
86 } emlxs_taskq_t;
87 
88 /* flags */
89 #define	EMLXS_THREAD_INITD	0x00000001
90 #define	EMLXS_THREAD_STARTED	0x00000002
91 #define	EMLXS_THREAD_ASLEEP	0x00000004
92 #define	EMLXS_THREAD_BUSY	0x00000008
93 #define	EMLXS_THREAD_KILLED	0x00000010
94 #define	EMLXS_THREAD_ENDED	0x00000020
95 #define	EMLXS_THREAD_TRIGGERED	0x80000000
96 #define	EMLXS_THREAD_RUN_ONCE	0x00000100
97 
98 #ifdef	__cplusplus
99 }
100 #endif
101 
102 #endif	/* _EMLXS_THREAD_H */
103