4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #ifndef _SYS_TXG_IMPL_H
28 #define _SYS_TXG_IMPL_H
30 #pragma ident "%Z%%M% %I% %E% SMI"
41 kcondvar_t tc_cv[TXG_SIZE];
42 uint64_t tc_count[TXG_SIZE];
46 typedef struct tx_state {
47 tx_cpu_t *tx_cpu; /* protects right to enter txg */
48 kmutex_t tx_sync_lock; /* protects tx_state_t */
50 uint64_t tx_open_txg; /* currently open txg id */
51 uint64_t tx_quiesced_txg; /* quiesced txg waiting for sync */
52 uint64_t tx_syncing_txg; /* currently syncing txg id */
53 uint64_t tx_synced_txg; /* last synced txg id */
55 uint64_t tx_sync_txg_waiting; /* txg we're waiting to sync */
56 uint64_t tx_quiesce_txg_waiting; /* txg we're waiting to open */
58 kcondvar_t tx_sync_more_cv;
59 kcondvar_t tx_sync_done_cv;
60 kcondvar_t tx_quiesce_more_cv;
61 kcondvar_t tx_quiesce_done_cv;
62 kcondvar_t tx_timeout_exit_cv;
63 kcondvar_t tx_exit_cv; /* wait for all threads to exit */
65 uint8_t tx_threads; /* number of threads */
66 uint8_t tx_exiting; /* set when we're exiting */
68 kthread_t *tx_sync_thread;
69 kthread_t *tx_quiesce_thread;
70 kthread_t *tx_timelimit_thread;
77 #endif /* _SYS_TXG_IMPL_H */