xref: /freebsd/sys/geom/geom_int.h (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
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  * $FreeBSD$
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