sys/txg_impl.h

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/*
 * 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 usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * 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 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_TXG_IMPL_H
#define _SYS_TXG_IMPL_H

#include <sys/spa.h>
#include <sys/txg.h>

#ifdef  __cplusplus
extern "C" {
#endif

struct tx_cpu {
        kmutex_t        tc_lock;
        kcondvar_t      tc_cv[TXG_SIZE];
        uint64_t        tc_count[TXG_SIZE];
        list_t          tc_callbacks[TXG_SIZE]; 
        char            tc_pad[16];
};

typedef struct tx_state {
        tx_cpu_t        *tx_cpu;        
        kmutex_t        tx_sync_lock;   
        uint64_t        tx_open_txg;    
        uint64_t        tx_quiesced_txg; 
        uint64_t        tx_syncing_txg; 
        uint64_t        tx_synced_txg;  
        uint64_t        tx_sync_txg_waiting; 
        uint64_t        tx_quiesce_txg_waiting; 
        kcondvar_t      tx_sync_more_cv;
        kcondvar_t      tx_sync_done_cv;
        kcondvar_t      tx_quiesce_more_cv;
        kcondvar_t      tx_quiesce_done_cv;
        kcondvar_t      tx_timeout_cv;
        kcondvar_t      tx_exit_cv;     
        uint8_t         tx_threads;     
        uint8_t         tx_exiting;     
        kthread_t       *tx_sync_thread;
        kthread_t       *tx_quiesce_thread;

        taskq_t         *tx_commit_cb_taskq; 
} tx_state_t;

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_TXG_IMPL_H */