FreeBSD/Linux Kernel Cross Reference
sys/geom/geom_int.h
1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2002 Poul-Henning Kamp
5 * Copyright (c) 2002 Networks Associates Technology, Inc.
6 * All rights reserved.
7 *
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.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
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
23 * permission.
24 *
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
35 * SUCH DAMAGE.
36 *
37 * $FreeBSD: releng/12.0/sys/geom/geom_int.h 326270 2017-11-27 15:17:37Z pfg $
38 */
39
40 LIST_HEAD(class_list_head, g_class);
41 TAILQ_HEAD(g_tailq_head, g_geom);
42
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 */
46
47 extern int g_debugflags;
48 /*
49 * 1 G_T_TOPOLOGY
50 * 2 G_T_BIO
51 * 4 G_T_ACCESS
52 * 8 (unused)
53 * 16 Allow footshooting on rank#1 providers
54 * 32 G_T_DETAILS
55 */
56 #define G_F_DISKIOCTL 64
57 #define G_F_CTLDUMP 128
58
59 /* geom_dump.c */
60 void g_confxml(void *, int flag);
61 void g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp);
62 void g_conf_printf_escaped(struct sbuf *sb, const char *fmt, ...);
63 void g_confdot(void *, int flag);
64 void g_conftxt(void *, int flag);
65
66 /* geom_event.c */
67 void g_event_init(void);
68 void g_run_events(void);
69 void g_do_wither(void);
70
71 /* geom_subr.c */
72 extern struct class_list_head g_classes;
73 extern char *g_wait_event, *g_wait_sim, *g_wait_up, *g_wait_down;
74 void g_wither_washer(void);
75
76 /* geom_io.c */
77 void g_io_init(void);
78 void g_io_schedule_down(struct thread *tp);
79 void g_io_schedule_up(struct thread *tp);
80
81 /* geom_kern.c / geom_kernsim.c */
82 void g_init(void);
83 extern int g_shutdown;
84 extern int g_notaste;
85
86 /* geom_ctl.c */
87 void g_ctl_init(void);
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