FreeBSD/Linux Kernel Cross Reference
sys/geom/geom_int.h
1 /*-
2 * Copyright (c) 2002 Poul-Henning Kamp
3 * Copyright (c) 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp
7 * and NAI Labs, the Security Research Division of Network Associates, Inc.
8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
9 * DARPA CHATS research program.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The names of the authors may not be used to endorse or promote
20 * products derived from this software without specific prior written
21 * permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $FreeBSD: src/sys/geom/geom_int.h,v 1.29 2004/10/25 12:28:28 phk Exp $
36 */
37
38 LIST_HEAD(class_list_head, g_class);
39 TAILQ_HEAD(g_tailq_head, g_geom);
40
41 extern int g_collectstats;
42 extern int g_debugflags;
43 /*
44 * 1 G_T_TOPOLOGY
45 * 2 G_T_BIO
46 * 4 G_T_ACCESS
47 * 8 (unused)
48 * 16 Allow footshooting on rank#1 providers
49 * 32 G_T_DETAILS
50 */
51 #define G_F_DISKIOCTL 64
52 #define G_F_CTLDUMP 128
53
54 /* geom_dump.c */
55 void g_confxml(void *, int flag);
56 void g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp);
57 void g_confdot(void *, int flag);
58 void g_conftxt(void *, int flag);
59
60 /* geom_event.c */
61 void g_event_init(void);
62 void g_run_events(void);
63 void g_do_wither(void);
64
65 /* geom_subr.c */
66 extern struct class_list_head g_classes;
67 extern char *g_wait_event, *g_wait_sim, *g_wait_up, *g_wait_down;
68 int g_wither_washer(void);
69
70 /* geom_io.c */
71 void g_io_init(void);
72 void g_io_schedule_down(struct thread *tp);
73 void g_io_schedule_up(struct thread *tp);
74
75 /* geom_kern.c / geom_kernsim.c */
76 void g_init(void);
77 extern int g_shutdown;
78
79 /* geom_ctl.c */
80 void g_ctl_init(void);
81
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