/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at
 * http://www.opensource.org/licenses/cddl1.txt.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright (c) 2004-2011 Emulex. All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _EMLXS_THREAD_H
#define _EMLXS_THREAD_H

#ifdef  __cplusplus
extern "C" {
#endif


#define EMLXS_MAX_TASKQ_THREADS 4

typedef struct emlxs_thread
{
        struct emlxs_thread     *next;
        struct emlxs_thread     *prev;

        struct emlxs_hba        *hba;

        kthread_t               *thread;
        uint32_t                flags;

        void                    (*func) (void *);
        void                    *arg1;
        void                    *arg2;

        kmutex_t                lock;
        kcondvar_t              cv_flag;
} emlxs_thread_t;


typedef struct emlxs_taskq_thread
{
        struct emlxs_taskq_thread       *next;
        struct emlxs_taskq              *taskq;

        kthread_t                       *thread;
        uint32_t                        flags;

        void                            (*func) (void *);
        void                            *arg;

        kmutex_t                        lock;
        kcondvar_t                      cv_flag;
} emlxs_taskq_thread_t;


typedef struct emlxs_taskq
{
        emlxs_taskq_thread_t    thread_list[EMLXS_MAX_TASKQ_THREADS];

        void                    *hba;

        emlxs_taskq_thread_t    *get_head;
        uint32_t                get_count;
        uint32_t                open;
        kmutex_t                get_lock;

        emlxs_taskq_thread_t    *put_head;
        uint32_t                put_count;
        kmutex_t                put_lock;
} emlxs_taskq_t;

/* flags */
#define EMLXS_THREAD_INITD      0x00000001
#define EMLXS_THREAD_STARTED    0x00000002
#define EMLXS_THREAD_ASLEEP     0x00000004
#define EMLXS_THREAD_BUSY       0x00000008
#define EMLXS_THREAD_KILLED     0x00000010
#define EMLXS_THREAD_ENDED      0x00000020
#define EMLXS_THREAD_TRIGGERED  0x80000000
#define EMLXS_THREAD_RUN_ONCE   0x00000100

#ifdef  __cplusplus
}
#endif

#endif  /* _EMLXS_THREAD_H */