2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2002 Poul-Henning Kamp
5 * Copyright (c) 2002 Networks Associates Technology, Inc.
8 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
9 * and NAI Labs, the Security Research Division of Network Associates, Inc.
10 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
11 * DARPA CHATS research program.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. The names of the authors may not be used to endorse or promote
22 * products derived from this software without specific prior written
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 LIST_HEAD(class_list_head, g_class);
41 TAILQ_HEAD(g_tailq_head, g_geom);
43 extern int g_collectstats;
44 #define G_STATS_PROVIDERS 1 /* Collect I/O stats for providers */
45 #define G_STATS_CONSUMERS 2 /* Collect I/O stats for consumers */
48 void g_confxml(void *, int flag);
49 void g_conf_specific(struct sbuf *sb, struct g_geom **gps);
50 void g_conf_cat_escaped(struct sbuf *sb, const char *buf);
51 void g_conf_printf_escaped(struct sbuf *sb, const char *fmt, ...);
52 void g_confdot(void *, int flag);
53 void g_conftxt(void *, int flag);
56 void g_event_init(void);
57 void g_run_events(void);
58 void g_do_wither(void);
61 extern struct class_list_head g_classes;
62 extern char *g_wait_event, *g_wait_sim, *g_wait_up, *g_wait_down;
63 void g_wither_washer(void);
67 void g_io_schedule_down(struct thread *tp);
68 void g_io_schedule_up(struct thread *tp);
70 /* geom_kern.c / geom_kernsim.c */
72 extern struct thread *g_up_td;
73 extern struct thread *g_down_td;
74 extern int g_shutdown;
78 void g_ctl_init(void);