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 *
| 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: head/sys/geom/geom_kern.c 92108 2002-03-11 21:42:35Z phk $
| 35 * $FreeBSD: head/sys/geom/geom_kern.c 93248 2002-03-26 21:40:06Z phk $
|
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/malloc.h>
42#include <sys/bio.h>
43#include <sys/sysctl.h>
44#include <sys/proc.h>
45#include <sys/kthread.h>
46#include <sys/lock.h>
47#include <sys/mutex.h>
48#include <sys/sx.h>
49#include <sys/sbuf.h>
50#include <sys/errno.h>
51#include <geom/geom.h>
52
53MALLOC_DEFINE(M_GEOM, "GEOM", "Geom data structures");
54
55struct sx topology_lock;
56
57static struct proc *g_up_proc;
58
59int g_debugflags;
60
61static void
62g_up_procbody(void)
63{
64 struct proc *p = g_up_proc;
65 struct thread *tp = &p->p_xxthread;
66
67 curthread->td_base_pri = PRIBIO;
68 for(;;) {
69 g_io_schedule_up(tp);
70 mtx_lock(&Giant);
71 tsleep(&g_wait_up, PRIBIO, "g_up", hz/10);
72 mtx_unlock(&Giant);
73 }
74}
75
76struct kproc_desc g_up_kp = {
77 "g_up",
78 g_up_procbody,
79 &g_up_proc,
80};
81
82static struct proc *g_down_proc;
83
84static void
85g_down_procbody(void)
86{
87 struct proc *p = g_down_proc;
88 struct thread *tp = &p->p_xxthread;
89
90 curthread->td_base_pri = PRIBIO;
91 for(;;) {
92 g_io_schedule_down(tp);
93 mtx_lock(&Giant);
94 tsleep(&g_wait_down, PRIBIO, "g_down", hz/10);
95 mtx_unlock(&Giant);
96 }
97}
98
99struct kproc_desc g_down_kp = {
100 "g_down",
101 g_down_procbody,
102 &g_down_proc,
103};
104
105static struct proc *g_event_proc;
106
107static void
108g_event_procbody(void)
109{
110 struct proc *p = g_event_proc;
111 struct thread *tp = &p->p_xxthread;
112
113 curthread->td_base_pri = PRIBIO;
114 for(;;) {
115 g_run_events(tp);
116 mtx_lock(&Giant);
117 tsleep(&g_wait_event, PRIBIO, "g_events", hz/10);
118 mtx_unlock(&Giant);
119 }
120}
121
122struct kproc_desc g_event_kp = {
123 "g_event",
124 g_event_procbody,
125 &g_event_proc,
126};
127
128void
129g_init(void)
130{
131 printf("Initializing GEOMetry subsystem\n");
132 if (bootverbose)
133 g_debugflags |= G_T_TOPOLOGY;
134 sx_init(&topology_lock, "GEOM topology");
135 g_io_init();
136 g_event_init();
137 mtx_lock(&Giant);
138 kproc_start(&g_event_kp);
139 kproc_start(&g_up_kp);
140 kproc_start(&g_down_kp);
141 mtx_unlock(&Giant);
142}
143
144static int
145sysctl_debug_geomdot(SYSCTL_HANDLER_ARGS)
146{
147 int i, error;
148 struct sbuf *sb;
149
150 i = 0;
151 sb = g_confdot();
152 error = sysctl_handle_opaque(oidp, sbuf_data(sb), sbuf_len(sb), req);
153 sbuf_delete(sb);
154 return (error);
155}
156
157SYSCTL_PROC(_debug, OID_AUTO, geomdot, CTLTYPE_STRING|CTLFLAG_RD,
158 0, 0, sysctl_debug_geomdot, "A",
159 "Dump the GEOM config");
160
161static int
162sysctl_debug_geomconf(SYSCTL_HANDLER_ARGS)
163{
164 int i, error;
165 struct sbuf *sb;
166
167 i = 0;
168 sb = g_conf();
169 error = sysctl_handle_opaque(oidp, sbuf_data(sb), sbuf_len(sb), req);
170 sbuf_delete(sb);
171 return (error);
172}
173
174SYSCTL_PROC(_debug, OID_AUTO, geomconf, CTLTYPE_STRING|CTLFLAG_RD,
175 0, 0, sysctl_debug_geomconf, "A",
176 "Dump the GEOM config");
177
178SYSCTL_INT(_debug, OID_AUTO, geomdebugflags, CTLTYPE_INT|CTLFLAG_RW,
179 &g_debugflags, 0, "");
180
| 36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/malloc.h>
42#include <sys/bio.h>
43#include <sys/sysctl.h>
44#include <sys/proc.h>
45#include <sys/kthread.h>
46#include <sys/lock.h>
47#include <sys/mutex.h>
48#include <sys/sx.h>
49#include <sys/sbuf.h>
50#include <sys/errno.h>
51#include <geom/geom.h>
52
53MALLOC_DEFINE(M_GEOM, "GEOM", "Geom data structures");
54
55struct sx topology_lock;
56
57static struct proc *g_up_proc;
58
59int g_debugflags;
60
61static void
62g_up_procbody(void)
63{
64 struct proc *p = g_up_proc;
65 struct thread *tp = &p->p_xxthread;
66
67 curthread->td_base_pri = PRIBIO;
68 for(;;) {
69 g_io_schedule_up(tp);
70 mtx_lock(&Giant);
71 tsleep(&g_wait_up, PRIBIO, "g_up", hz/10);
72 mtx_unlock(&Giant);
73 }
74}
75
76struct kproc_desc g_up_kp = {
77 "g_up",
78 g_up_procbody,
79 &g_up_proc,
80};
81
82static struct proc *g_down_proc;
83
84static void
85g_down_procbody(void)
86{
87 struct proc *p = g_down_proc;
88 struct thread *tp = &p->p_xxthread;
89
90 curthread->td_base_pri = PRIBIO;
91 for(;;) {
92 g_io_schedule_down(tp);
93 mtx_lock(&Giant);
94 tsleep(&g_wait_down, PRIBIO, "g_down", hz/10);
95 mtx_unlock(&Giant);
96 }
97}
98
99struct kproc_desc g_down_kp = {
100 "g_down",
101 g_down_procbody,
102 &g_down_proc,
103};
104
105static struct proc *g_event_proc;
106
107static void
108g_event_procbody(void)
109{
110 struct proc *p = g_event_proc;
111 struct thread *tp = &p->p_xxthread;
112
113 curthread->td_base_pri = PRIBIO;
114 for(;;) {
115 g_run_events(tp);
116 mtx_lock(&Giant);
117 tsleep(&g_wait_event, PRIBIO, "g_events", hz/10);
118 mtx_unlock(&Giant);
119 }
120}
121
122struct kproc_desc g_event_kp = {
123 "g_event",
124 g_event_procbody,
125 &g_event_proc,
126};
127
128void
129g_init(void)
130{
131 printf("Initializing GEOMetry subsystem\n");
132 if (bootverbose)
133 g_debugflags |= G_T_TOPOLOGY;
134 sx_init(&topology_lock, "GEOM topology");
135 g_io_init();
136 g_event_init();
137 mtx_lock(&Giant);
138 kproc_start(&g_event_kp);
139 kproc_start(&g_up_kp);
140 kproc_start(&g_down_kp);
141 mtx_unlock(&Giant);
142}
143
144static int
145sysctl_debug_geomdot(SYSCTL_HANDLER_ARGS)
146{
147 int i, error;
148 struct sbuf *sb;
149
150 i = 0;
151 sb = g_confdot();
152 error = sysctl_handle_opaque(oidp, sbuf_data(sb), sbuf_len(sb), req);
153 sbuf_delete(sb);
154 return (error);
155}
156
157SYSCTL_PROC(_debug, OID_AUTO, geomdot, CTLTYPE_STRING|CTLFLAG_RD,
158 0, 0, sysctl_debug_geomdot, "A",
159 "Dump the GEOM config");
160
161static int
162sysctl_debug_geomconf(SYSCTL_HANDLER_ARGS)
163{
164 int i, error;
165 struct sbuf *sb;
166
167 i = 0;
168 sb = g_conf();
169 error = sysctl_handle_opaque(oidp, sbuf_data(sb), sbuf_len(sb), req);
170 sbuf_delete(sb);
171 return (error);
172}
173
174SYSCTL_PROC(_debug, OID_AUTO, geomconf, CTLTYPE_STRING|CTLFLAG_RD,
175 0, 0, sysctl_debug_geomconf, "A",
176 "Dump the GEOM config");
177
178SYSCTL_INT(_debug, OID_AUTO, geomdebugflags, CTLTYPE_INT|CTLFLAG_RW,
179 &g_debugflags, 0, "");
180
|
181SYSCTL_INT(_debug_sizeof, OID_AUTO, g_method, CTLTYPE_INT|CTLFLAG_RD,
182 0, sizeof(struct g_method), "");
| 181SYSCTL_INT(_debug_sizeof, OID_AUTO, g_class, CTLTYPE_INT|CTLFLAG_RD,
182 0, sizeof(struct g_class), "");
|
183SYSCTL_INT(_debug_sizeof, OID_AUTO, g_geom, CTLTYPE_INT|CTLFLAG_RD,
184 0, sizeof(struct g_geom), "");
185SYSCTL_INT(_debug_sizeof, OID_AUTO, g_provider, CTLTYPE_INT|CTLFLAG_RD,
186 0, sizeof(struct g_provider), "");
187SYSCTL_INT(_debug_sizeof, OID_AUTO, g_consumer, CTLTYPE_INT|CTLFLAG_RD,
188 0, sizeof(struct g_consumer), "");
189SYSCTL_INT(_debug_sizeof, OID_AUTO, g_bioq, CTLTYPE_INT|CTLFLAG_RD,
190 0, sizeof(struct g_bioq), "");
191SYSCTL_INT(_debug_sizeof, OID_AUTO, g_event, CTLTYPE_INT|CTLFLAG_RD,
192 0, sizeof(struct g_event), "");
| 183SYSCTL_INT(_debug_sizeof, OID_AUTO, g_geom, CTLTYPE_INT|CTLFLAG_RD,
184 0, sizeof(struct g_geom), "");
185SYSCTL_INT(_debug_sizeof, OID_AUTO, g_provider, CTLTYPE_INT|CTLFLAG_RD,
186 0, sizeof(struct g_provider), "");
187SYSCTL_INT(_debug_sizeof, OID_AUTO, g_consumer, CTLTYPE_INT|CTLFLAG_RD,
188 0, sizeof(struct g_consumer), "");
189SYSCTL_INT(_debug_sizeof, OID_AUTO, g_bioq, CTLTYPE_INT|CTLFLAG_RD,
190 0, sizeof(struct g_bioq), "");
191SYSCTL_INT(_debug_sizeof, OID_AUTO, g_event, CTLTYPE_INT|CTLFLAG_RD,
192 0, sizeof(struct g_event), "");
|