fca/emlxs/emlxs_thread.h

/*
 * 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 */