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.h 119593 2003-08-30 18:33:55Z phk $
| 35 * $FreeBSD: head/sys/geom/geom.h 119660 2003-09-01 20:45:32Z phk $
|
36 */
37
38#ifndef _GEOM_GEOM_H_
39#define _GEOM_GEOM_H_
40
41#include <sys/lock.h>
42#include <sys/mutex.h>
43#include <sys/sx.h>
44#include <sys/queue.h>
45#include <sys/ioccom.h>
46#include <sys/sbuf.h>
47#include <sys/module.h>
48
49struct g_class;
50struct g_geom;
51struct g_consumer;
52struct g_provider;
53struct g_stat;
54struct thread;
55struct bio;
56struct sbuf;
57struct gctl_req;
58struct g_configargs;
59
60typedef int g_config_t (struct g_configargs *ca);
61typedef void g_ctl_req_t (struct gctl_req *, struct g_class *cp, char const *verb);
62typedef int g_ctl_create_geom_t (struct gctl_req *, struct g_class *cp, struct g_provider *pp);
63typedef int g_ctl_destroy_geom_t (struct gctl_req *, struct g_class *cp, struct g_geom *gp);
64typedef int g_ctl_config_geom_t (struct gctl_req *, struct g_geom *gp, const char *verb);
65typedef void g_init_t (struct g_class *mp);
66typedef void g_fini_t (struct g_class *mp);
| 36 */
37
38#ifndef _GEOM_GEOM_H_
39#define _GEOM_GEOM_H_
40
41#include <sys/lock.h>
42#include <sys/mutex.h>
43#include <sys/sx.h>
44#include <sys/queue.h>
45#include <sys/ioccom.h>
46#include <sys/sbuf.h>
47#include <sys/module.h>
48
49struct g_class;
50struct g_geom;
51struct g_consumer;
52struct g_provider;
53struct g_stat;
54struct thread;
55struct bio;
56struct sbuf;
57struct gctl_req;
58struct g_configargs;
59
60typedef int g_config_t (struct g_configargs *ca);
61typedef void g_ctl_req_t (struct gctl_req *, struct g_class *cp, char const *verb);
62typedef int g_ctl_create_geom_t (struct gctl_req *, struct g_class *cp, struct g_provider *pp);
63typedef int g_ctl_destroy_geom_t (struct gctl_req *, struct g_class *cp, struct g_geom *gp);
64typedef int g_ctl_config_geom_t (struct gctl_req *, struct g_geom *gp, const char *verb);
65typedef void g_init_t (struct g_class *mp);
66typedef void g_fini_t (struct g_class *mp);
|
67typedef struct g_geom * g_taste_t (struct g_class *, struct g_provider *,
68 int flags);
| 67typedef struct g_geom * g_taste_t (struct g_class *, struct g_provider *, int flags);
68typedef int g_ioctl_t(struct g_provider *pp, u_long cmd, void *data, struct thread *td);
|
69#define G_TF_NORMAL 0
70#define G_TF_INSIST 1
71#define G_TF_TRANSPARENT 2
72typedef int g_access_t (struct g_provider *, int, int, int);
73/* XXX: not sure about the thread arg */
74typedef void g_orphan_t (struct g_consumer *);
75
76typedef void g_start_t (struct bio *);
77typedef void g_spoiled_t (struct g_consumer *);
78typedef void g_dumpconf_t (struct sbuf *, const char *indent, struct g_geom *,
79 struct g_consumer *, struct g_provider *);
80
81/*
82 * The g_class structure describes a transformation class. In other words
83 * all BSD disklabel handlers share one g_class, all MBR handlers share
84 * one common g_class and so on.
85 * Certain operations are instantiated on the class, most notably the
86 * taste and config_geom functions.
87 */
88struct g_class {
89 const char *name;
90 g_taste_t *taste;
91 g_config_t *config;
92 g_ctl_req_t *ctlreq;
93 g_init_t *init;
94 g_fini_t *fini;
95 g_ctl_destroy_geom_t *destroy_geom;
96 /*
97 * The remaining elements are private
98 */
99 LIST_ENTRY(g_class) class;
100 LIST_HEAD(,g_geom) geom;
101};
102
103/*
104 * The g_geom is an instance of a g_class.
105 */
106struct g_geom {
107 char *name;
108 struct g_class *class;
109 LIST_ENTRY(g_geom) geom;
110 LIST_HEAD(,g_consumer) consumer;
111 LIST_HEAD(,g_provider) provider;
112 TAILQ_ENTRY(g_geom) geoms; /* XXX: better name */
113 int rank;
114 g_start_t *start;
115 g_spoiled_t *spoiled;
116 g_dumpconf_t *dumpconf;
117 g_access_t *access;
118 g_orphan_t *orphan;
| 69#define G_TF_NORMAL 0
70#define G_TF_INSIST 1
71#define G_TF_TRANSPARENT 2
72typedef int g_access_t (struct g_provider *, int, int, int);
73/* XXX: not sure about the thread arg */
74typedef void g_orphan_t (struct g_consumer *);
75
76typedef void g_start_t (struct bio *);
77typedef void g_spoiled_t (struct g_consumer *);
78typedef void g_dumpconf_t (struct sbuf *, const char *indent, struct g_geom *,
79 struct g_consumer *, struct g_provider *);
80
81/*
82 * The g_class structure describes a transformation class. In other words
83 * all BSD disklabel handlers share one g_class, all MBR handlers share
84 * one common g_class and so on.
85 * Certain operations are instantiated on the class, most notably the
86 * taste and config_geom functions.
87 */
88struct g_class {
89 const char *name;
90 g_taste_t *taste;
91 g_config_t *config;
92 g_ctl_req_t *ctlreq;
93 g_init_t *init;
94 g_fini_t *fini;
95 g_ctl_destroy_geom_t *destroy_geom;
96 /*
97 * The remaining elements are private
98 */
99 LIST_ENTRY(g_class) class;
100 LIST_HEAD(,g_geom) geom;
101};
102
103/*
104 * The g_geom is an instance of a g_class.
105 */
106struct g_geom {
107 char *name;
108 struct g_class *class;
109 LIST_ENTRY(g_geom) geom;
110 LIST_HEAD(,g_consumer) consumer;
111 LIST_HEAD(,g_provider) provider;
112 TAILQ_ENTRY(g_geom) geoms; /* XXX: better name */
113 int rank;
114 g_start_t *start;
115 g_spoiled_t *spoiled;
116 g_dumpconf_t *dumpconf;
117 g_access_t *access;
118 g_orphan_t *orphan;
|
| 119 g_ioctl_t *ioctl;
|
119 void *softc;
120 unsigned flags;
121#define G_GEOM_WITHER 1
122};
123
124/*
125 * The g_bioq is a queue of struct bio's.
126 * XXX: possibly collection point for statistics.
127 * XXX: should (possibly) be collapsed with sys/bio.h::bio_queue_head.
128 */
129struct g_bioq {
130 TAILQ_HEAD(, bio) bio_queue;
131 struct mtx bio_queue_lock;
132 int bio_queue_length;
133};
134
135/*
136 * A g_consumer is an attachment point for a g_provider. One g_consumer
137 * can only be attached to one g_provider, but multiple g_consumers
138 * can be attached to one g_provider.
139 */
140
141struct g_consumer {
142 struct g_geom *geom;
143 LIST_ENTRY(g_consumer) consumer;
144 struct g_provider *provider;
145 LIST_ENTRY(g_consumer) consumers; /* XXX: better name */
146 int acr, acw, ace;
147 int spoiled;
148 struct devstat *stat;
149 u_int nstart, nend;
150};
151
152/*
153 * A g_provider is a "logical disk".
154 */
155struct g_provider {
156 char *name;
157 LIST_ENTRY(g_provider) provider;
158 struct g_geom *geom;
159 LIST_HEAD(,g_consumer) consumers;
160 int acr, acw, ace;
161 int error;
162 TAILQ_ENTRY(g_provider) orphan;
163 u_int index;
164 off_t mediasize;
165 u_int sectorsize;
166 u_int stripesize;
167 u_int stripeoffset;
168 struct devstat *stat;
169 u_int nstart, nend;
170 u_int flags;
171#define G_PF_CANDELETE 0x1
172};
173
174/* geom_dev.c */
175void g_dev_print(void);
176struct g_provider *g_dev_getprovider(dev_t dev);
177
178/* geom_dump.c */
179void g_hexdump(void *ptr, int length);
180void g_trace(int level, const char *, ...);
181# define G_T_TOPOLOGY 1
182# define G_T_BIO 2
183# define G_T_ACCESS 4
184
185
186/* geom_event.c */
187typedef void g_event_t(void *, int flag);
188#define EV_CANCEL 1
189int g_post_event(g_event_t *func, void *arg, int flag, ...);
190int g_waitfor_event(g_event_t *func, void *arg, int flag, ...);
191void g_cancel_event(void *ref);
192void g_orphan_provider(struct g_provider *pp, int error);
193void g_waitidle(void);
194
195/* geom_subr.c */
196int g_access_abs(struct g_consumer *cp, int nread, int nwrite, int nexcl);
197int g_access_rel(struct g_consumer *cp, int nread, int nwrite, int nexcl);
198int g_attach(struct g_consumer *cp, struct g_provider *pp);
199void g_destroy_consumer(struct g_consumer *cp);
200void g_destroy_geom(struct g_geom *pp);
201void g_destroy_provider(struct g_provider *pp);
202void g_detach(struct g_consumer *cp);
203void g_error_provider(struct g_provider *pp, int error);
204struct g_provider *g_provider_by_name(char const *arg);
205int g_getattr__(const char *attr, struct g_consumer *cp, void *var, int len);
206#define g_getattr(a, c, v) g_getattr__((a), (c), (v), sizeof *(v))
207int g_handleattr(struct bio *bp, const char *attribute, void *val, int len);
208int g_handleattr_int(struct bio *bp, const char *attribute, int val);
209int g_handleattr_off_t(struct bio *bp, const char *attribute, off_t val);
210struct g_consumer * g_new_consumer(struct g_geom *gp);
211struct g_geom * g_new_geomf(struct g_class *mp, const char *fmt, ...);
212struct g_provider * g_new_providerf(struct g_geom *gp, const char *fmt, ...);
213void g_sanity(void const *ptr);
214void g_spoil(struct g_provider *pp, struct g_consumer *cp);
215int g_std_access(struct g_provider *pp, int dr, int dw, int de);
216void g_std_done(struct bio *bp);
217void g_std_spoiled(struct g_consumer *cp);
218void g_wither_geom(struct g_geom *gp, int error);
219
220int g_modevent(module_t, int, void *);
221
222/* geom_io.c */
223struct bio * g_clone_bio(struct bio *);
224void g_destroy_bio(struct bio *);
225void g_io_deliver(struct bio *bp, int error);
226int g_io_getattr(const char *attr, struct g_consumer *cp, int *len, void *ptr);
227void g_io_request(struct bio *bp, struct g_consumer *cp);
228struct bio *g_new_bio(void);
229void * g_read_data(struct g_consumer *cp, off_t offset, off_t length, int *error);
230int g_write_data(struct g_consumer *cp, off_t offset, void *ptr, off_t length);
231
232/* geom_kern.c / geom_kernsim.c */
233
| 120 void *softc;
121 unsigned flags;
122#define G_GEOM_WITHER 1
123};
124
125/*
126 * The g_bioq is a queue of struct bio's.
127 * XXX: possibly collection point for statistics.
128 * XXX: should (possibly) be collapsed with sys/bio.h::bio_queue_head.
129 */
130struct g_bioq {
131 TAILQ_HEAD(, bio) bio_queue;
132 struct mtx bio_queue_lock;
133 int bio_queue_length;
134};
135
136/*
137 * A g_consumer is an attachment point for a g_provider. One g_consumer
138 * can only be attached to one g_provider, but multiple g_consumers
139 * can be attached to one g_provider.
140 */
141
142struct g_consumer {
143 struct g_geom *geom;
144 LIST_ENTRY(g_consumer) consumer;
145 struct g_provider *provider;
146 LIST_ENTRY(g_consumer) consumers; /* XXX: better name */
147 int acr, acw, ace;
148 int spoiled;
149 struct devstat *stat;
150 u_int nstart, nend;
151};
152
153/*
154 * A g_provider is a "logical disk".
155 */
156struct g_provider {
157 char *name;
158 LIST_ENTRY(g_provider) provider;
159 struct g_geom *geom;
160 LIST_HEAD(,g_consumer) consumers;
161 int acr, acw, ace;
162 int error;
163 TAILQ_ENTRY(g_provider) orphan;
164 u_int index;
165 off_t mediasize;
166 u_int sectorsize;
167 u_int stripesize;
168 u_int stripeoffset;
169 struct devstat *stat;
170 u_int nstart, nend;
171 u_int flags;
172#define G_PF_CANDELETE 0x1
173};
174
175/* geom_dev.c */
176void g_dev_print(void);
177struct g_provider *g_dev_getprovider(dev_t dev);
178
179/* geom_dump.c */
180void g_hexdump(void *ptr, int length);
181void g_trace(int level, const char *, ...);
182# define G_T_TOPOLOGY 1
183# define G_T_BIO 2
184# define G_T_ACCESS 4
185
186
187/* geom_event.c */
188typedef void g_event_t(void *, int flag);
189#define EV_CANCEL 1
190int g_post_event(g_event_t *func, void *arg, int flag, ...);
191int g_waitfor_event(g_event_t *func, void *arg, int flag, ...);
192void g_cancel_event(void *ref);
193void g_orphan_provider(struct g_provider *pp, int error);
194void g_waitidle(void);
195
196/* geom_subr.c */
197int g_access_abs(struct g_consumer *cp, int nread, int nwrite, int nexcl);
198int g_access_rel(struct g_consumer *cp, int nread, int nwrite, int nexcl);
199int g_attach(struct g_consumer *cp, struct g_provider *pp);
200void g_destroy_consumer(struct g_consumer *cp);
201void g_destroy_geom(struct g_geom *pp);
202void g_destroy_provider(struct g_provider *pp);
203void g_detach(struct g_consumer *cp);
204void g_error_provider(struct g_provider *pp, int error);
205struct g_provider *g_provider_by_name(char const *arg);
206int g_getattr__(const char *attr, struct g_consumer *cp, void *var, int len);
207#define g_getattr(a, c, v) g_getattr__((a), (c), (v), sizeof *(v))
208int g_handleattr(struct bio *bp, const char *attribute, void *val, int len);
209int g_handleattr_int(struct bio *bp, const char *attribute, int val);
210int g_handleattr_off_t(struct bio *bp, const char *attribute, off_t val);
211struct g_consumer * g_new_consumer(struct g_geom *gp);
212struct g_geom * g_new_geomf(struct g_class *mp, const char *fmt, ...);
213struct g_provider * g_new_providerf(struct g_geom *gp, const char *fmt, ...);
214void g_sanity(void const *ptr);
215void g_spoil(struct g_provider *pp, struct g_consumer *cp);
216int g_std_access(struct g_provider *pp, int dr, int dw, int de);
217void g_std_done(struct bio *bp);
218void g_std_spoiled(struct g_consumer *cp);
219void g_wither_geom(struct g_geom *gp, int error);
220
221int g_modevent(module_t, int, void *);
222
223/* geom_io.c */
224struct bio * g_clone_bio(struct bio *);
225void g_destroy_bio(struct bio *);
226void g_io_deliver(struct bio *bp, int error);
227int g_io_getattr(const char *attr, struct g_consumer *cp, int *len, void *ptr);
228void g_io_request(struct bio *bp, struct g_consumer *cp);
229struct bio *g_new_bio(void);
230void * g_read_data(struct g_consumer *cp, off_t offset, off_t length, int *error);
231int g_write_data(struct g_consumer *cp, off_t offset, void *ptr, off_t length);
232
233/* geom_kern.c / geom_kernsim.c */
234
|
234#ifndef _SYS_CONF_H_
235typedef int d_ioctl_t(dev_t dev, u_long cmd, caddr_t data,
236 int fflag, struct thread *td);
237#endif
238
239struct g_ioctl {
240 u_long cmd;
241 void *data;
242 int fflag;
243 struct thread *td;
244 d_ioctl_t *func;
245 void *dev;
246};
247
| |
248#ifdef _KERNEL
249
250struct g_kerneldump {
251 off_t offset;
252 off_t length;
253};
254
255MALLOC_DECLARE(M_GEOM);
256
257static __inline void *
258g_malloc(int size, int flags)
259{
260 void *p;
261
262 p = malloc(size, M_GEOM, flags);
263 g_sanity(p);
264 /* printf("malloc(%d, %x) -> %p\n", size, flags, p); */
265 return (p);
266}
267
268static __inline void
269g_free(void *ptr)
270{
271 g_sanity(ptr);
272 /* printf("free(%p)\n", ptr); */
273 free(ptr, M_GEOM);
274}
275
276extern struct sx topology_lock;
277
278#define g_topology_lock() \
279 do { \
280 mtx_assert(&Giant, MA_NOTOWNED); \
281 sx_xlock(&topology_lock); \
282 } while (0)
283
284#define g_topology_unlock() \
285 do { \
286 g_sanity(NULL); \
287 sx_xunlock(&topology_lock); \
288 } while (0)
289
290#define g_topology_assert() \
291 do { \
292 g_sanity(NULL); \
293 sx_assert(&topology_lock, SX_XLOCKED); \
294 } while (0)
295
296#define DECLARE_GEOM_CLASS(class, name) \
297 static moduledata_t name##_mod = { \
298 #name, g_modevent, &class \
299 }; \
300 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);
301
302#endif /* _KERNEL */
303
304/* geom_ctl.c */
305void gctl_set_param(struct gctl_req *req, const char *param, void const *ptr, int len);
306void *gctl_get_param(struct gctl_req *req, const char *param, int *len);
307char const *gctl_get_asciiparam(struct gctl_req *req, const char *param);
308void *gctl_get_paraml(struct gctl_req *req, const char *param, int len);
309int gctl_error(struct gctl_req *req, const char *fmt, ...);
310struct g_class *gctl_get_class(struct gctl_req *req, char const *arg);
311struct g_geom *gctl_get_geom(struct gctl_req *req, struct g_class *mpr, char const *arg);
312struct g_provider *gctl_get_provider(struct gctl_req *req, char const *arg);
313
314#endif /* _GEOM_GEOM_H_ */
| 235#ifdef _KERNEL
236
237struct g_kerneldump {
238 off_t offset;
239 off_t length;
240};
241
242MALLOC_DECLARE(M_GEOM);
243
244static __inline void *
245g_malloc(int size, int flags)
246{
247 void *p;
248
249 p = malloc(size, M_GEOM, flags);
250 g_sanity(p);
251 /* printf("malloc(%d, %x) -> %p\n", size, flags, p); */
252 return (p);
253}
254
255static __inline void
256g_free(void *ptr)
257{
258 g_sanity(ptr);
259 /* printf("free(%p)\n", ptr); */
260 free(ptr, M_GEOM);
261}
262
263extern struct sx topology_lock;
264
265#define g_topology_lock() \
266 do { \
267 mtx_assert(&Giant, MA_NOTOWNED); \
268 sx_xlock(&topology_lock); \
269 } while (0)
270
271#define g_topology_unlock() \
272 do { \
273 g_sanity(NULL); \
274 sx_xunlock(&topology_lock); \
275 } while (0)
276
277#define g_topology_assert() \
278 do { \
279 g_sanity(NULL); \
280 sx_assert(&topology_lock, SX_XLOCKED); \
281 } while (0)
282
283#define DECLARE_GEOM_CLASS(class, name) \
284 static moduledata_t name##_mod = { \
285 #name, g_modevent, &class \
286 }; \
287 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);
288
289#endif /* _KERNEL */
290
291/* geom_ctl.c */
292void gctl_set_param(struct gctl_req *req, const char *param, void const *ptr, int len);
293void *gctl_get_param(struct gctl_req *req, const char *param, int *len);
294char const *gctl_get_asciiparam(struct gctl_req *req, const char *param);
295void *gctl_get_paraml(struct gctl_req *req, const char *param, int len);
296int gctl_error(struct gctl_req *req, const char *fmt, ...);
297struct g_class *gctl_get_class(struct gctl_req *req, char const *arg);
298struct g_geom *gctl_get_geom(struct gctl_req *req, struct g_class *mpr, char const *arg);
299struct g_provider *gctl_get_provider(struct gctl_req *req, char const *arg);
300
301#endif /* _GEOM_GEOM_H_ */
|