4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #ifndef _SYS_TXG_IMPL_H
27 #define _SYS_TXG_IMPL_H
38 kcondvar_t tc_cv
[TXG_SIZE
];
39 uint64_t tc_count
[TXG_SIZE
];
43 typedef struct tx_state
{
44 tx_cpu_t
*tx_cpu
; /* protects right to enter txg */
45 kmutex_t tx_sync_lock
; /* protects tx_state_t */
47 uint64_t tx_open_txg
; /* currently open txg id */
48 uint64_t tx_quiesced_txg
; /* quiesced txg waiting for sync */
49 uint64_t tx_syncing_txg
; /* currently syncing txg id */
50 uint64_t tx_synced_txg
; /* last synced txg id */
52 uint64_t tx_sync_txg_waiting
; /* txg we're waiting to sync */
53 uint64_t tx_quiesce_txg_waiting
; /* txg we're waiting to open */
55 kcondvar_t tx_sync_more_cv
;
56 kcondvar_t tx_sync_done_cv
;
57 kcondvar_t tx_quiesce_more_cv
;
58 kcondvar_t tx_quiesce_done_cv
;
59 kcondvar_t tx_timeout_cv
;
60 kcondvar_t tx_exit_cv
; /* wait for all threads to exit */
62 uint8_t tx_threads
; /* number of threads */
63 uint8_t tx_exiting
; /* set when we're exiting */
65 kthread_t
*tx_sync_thread
;
66 kthread_t
*tx_quiesce_thread
;
73 #endif /* _SYS_TXG_IMPL_H */