2008-11-20 20:01:55 +00:00
|
|
|
/*
|
|
|
|
|
* 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
|
|
|
|
|
*/
|
|
|
|
|
/*
|
2010-05-28 20:45:14 +00:00
|
|
|
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
|
2008-11-20 20:01:55 +00:00
|
|
|
* 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];
|
2010-05-28 20:45:14 +00:00
|
|
|
list_t tc_callbacks[TXG_SIZE]; /* commit cb list */
|
2008-11-20 20:01:55 +00:00
|
|
|
char tc_pad[16];
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
typedef struct tx_state {
|
|
|
|
|
tx_cpu_t *tx_cpu; /* protects right to enter txg */
|
|
|
|
|
kmutex_t tx_sync_lock; /* protects tx_state_t */
|
|
|
|
|
uint64_t tx_open_txg; /* currently open txg id */
|
|
|
|
|
uint64_t tx_quiesced_txg; /* quiesced txg waiting for sync */
|
|
|
|
|
uint64_t tx_syncing_txg; /* currently syncing txg id */
|
|
|
|
|
uint64_t tx_synced_txg; /* last synced txg id */
|
|
|
|
|
|
|
|
|
|
uint64_t tx_sync_txg_waiting; /* txg we're waiting to sync */
|
|
|
|
|
uint64_t tx_quiesce_txg_waiting; /* txg we're waiting to open */
|
|
|
|
|
|
|
|
|
|
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; /* wait for all threads to exit */
|
|
|
|
|
|
|
|
|
|
uint8_t tx_threads; /* number of threads */
|
|
|
|
|
uint8_t tx_exiting; /* set when we're exiting */
|
|
|
|
|
|
|
|
|
|
kthread_t *tx_sync_thread;
|
|
|
|
|
kthread_t *tx_quiesce_thread;
|
2010-05-28 20:45:14 +00:00
|
|
|
|
|
|
|
|
taskq_t *tx_commit_cb_taskq; /* commit callback taskq */
|
2008-11-20 20:01:55 +00:00
|
|
|
} tx_state_t;
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* _SYS_TXG_IMPL_H */
|
