Support custom build directories and move includes

[zfs.git] / include / sys / txg_impl.h

diff --git a/include/sys/txg_impl.h b/include/sys/txg_impl.h
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+++ b/include/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]; /* commit cb list */
+       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;
+
+       taskq_t         *tx_commit_cb_taskq; /* commit callback taskq */
+} tx_state_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_TXG_IMPL_H */