1dd84a43cSPoul-Henning Kamp /*- 2dd84a43cSPoul-Henning Kamp * Copyright (c) 2002 Poul-Henning Kamp 3dd84a43cSPoul-Henning Kamp * Copyright (c) 2002 Networks Associates Technology, Inc. 4dd84a43cSPoul-Henning Kamp * All rights reserved. 5dd84a43cSPoul-Henning Kamp * 6dd84a43cSPoul-Henning Kamp * This software was developed for the FreeBSD Project by Poul-Henning Kamp 7dd84a43cSPoul-Henning Kamp * and NAI Labs, the Security Research Division of Network Associates, Inc. 8dd84a43cSPoul-Henning Kamp * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 9dd84a43cSPoul-Henning Kamp * DARPA CHATS research program. 10dd84a43cSPoul-Henning Kamp * 11dd84a43cSPoul-Henning Kamp * Redistribution and use in source and binary forms, with or without 12dd84a43cSPoul-Henning Kamp * modification, are permitted provided that the following conditions 13dd84a43cSPoul-Henning Kamp * are met: 14dd84a43cSPoul-Henning Kamp * 1. Redistributions of source code must retain the above copyright 15dd84a43cSPoul-Henning Kamp * notice, this list of conditions and the following disclaimer. 16dd84a43cSPoul-Henning Kamp * 2. Redistributions in binary form must reproduce the above copyright 17dd84a43cSPoul-Henning Kamp * notice, this list of conditions and the following disclaimer in the 18dd84a43cSPoul-Henning Kamp * documentation and/or other materials provided with the distribution. 19dd84a43cSPoul-Henning Kamp * 3. The names of the authors may not be used to endorse or promote 20dd84a43cSPoul-Henning Kamp * products derived from this software without specific prior written 21dd84a43cSPoul-Henning Kamp * permission. 22dd84a43cSPoul-Henning Kamp * 23dd84a43cSPoul-Henning Kamp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24dd84a43cSPoul-Henning Kamp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25dd84a43cSPoul-Henning Kamp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26dd84a43cSPoul-Henning Kamp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27dd84a43cSPoul-Henning Kamp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28dd84a43cSPoul-Henning Kamp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29dd84a43cSPoul-Henning Kamp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30dd84a43cSPoul-Henning Kamp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31dd84a43cSPoul-Henning Kamp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32dd84a43cSPoul-Henning Kamp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33dd84a43cSPoul-Henning Kamp * SUCH DAMAGE. 34dd84a43cSPoul-Henning Kamp * 35dd84a43cSPoul-Henning Kamp * $FreeBSD$ 36dd84a43cSPoul-Henning Kamp */ 37dd84a43cSPoul-Henning Kamp 38efb9df5cSPoul-Henning Kamp #ifndef _GEOM_GEOM_H_ 39efb9df5cSPoul-Henning Kamp #define _GEOM_GEOM_H_ 40efb9df5cSPoul-Henning Kamp 41dd84a43cSPoul-Henning Kamp #include <sys/lock.h> 42dd84a43cSPoul-Henning Kamp #include <sys/mutex.h> 43dd84a43cSPoul-Henning Kamp #include <sys/sx.h> 44dd84a43cSPoul-Henning Kamp #include <sys/queue.h> 4553705e35SPoul-Henning Kamp #include <sys/ioccom.h> 4653705e35SPoul-Henning Kamp #include <sys/sbuf.h> 47dd84a43cSPoul-Henning Kamp 48e805e8f0SPoul-Henning Kamp struct g_class; 49dd84a43cSPoul-Henning Kamp struct g_geom; 50dd84a43cSPoul-Henning Kamp struct g_consumer; 51dd84a43cSPoul-Henning Kamp struct g_provider; 524ec35300SPoul-Henning Kamp struct g_stat; 53dd84a43cSPoul-Henning Kamp struct thread; 54dd84a43cSPoul-Henning Kamp struct bio; 55dd84a43cSPoul-Henning Kamp struct sbuf; 5663728c47SPoul-Henning Kamp struct gctl_req; 57e6e14239SPoul-Henning Kamp struct g_configargs; 58dd84a43cSPoul-Henning Kamp 59e6e14239SPoul-Henning Kamp typedef int g_config_t (struct g_configargs *ca); 6063728c47SPoul-Henning Kamp typedef int g_ctl_create_geom_t (struct gctl_req *, struct g_class *cp, struct g_provider *pp); 6163728c47SPoul-Henning Kamp typedef int g_ctl_destroy_geom_t (struct gctl_req *, struct g_class *cp, struct g_geom *gp); 62ea9ab6beSPoul-Henning Kamp typedef int g_ctl_config_geom_t (struct gctl_req *, struct g_geom *gp, const char *verb); 63e805e8f0SPoul-Henning Kamp typedef struct g_geom * g_taste_t (struct g_class *, struct g_provider *, 64b1876192SPoul-Henning Kamp int flags); 65dd84a43cSPoul-Henning Kamp #define G_TF_NORMAL 0 66dd84a43cSPoul-Henning Kamp #define G_TF_INSIST 1 67dd84a43cSPoul-Henning Kamp #define G_TF_TRANSPARENT 2 68dd84a43cSPoul-Henning Kamp typedef int g_access_t (struct g_provider *, int, int, int); 69dd84a43cSPoul-Henning Kamp /* XXX: not sure about the thread arg */ 70b1876192SPoul-Henning Kamp typedef void g_orphan_t (struct g_consumer *); 71dd84a43cSPoul-Henning Kamp 72dd84a43cSPoul-Henning Kamp typedef void g_start_t (struct bio *); 73dd84a43cSPoul-Henning Kamp typedef void g_spoiled_t (struct g_consumer *); 740f9d3dbaSPoul-Henning Kamp typedef void g_dumpconf_t (struct sbuf *, const char *indent, struct g_geom *, 75dd84a43cSPoul-Henning Kamp struct g_consumer *, struct g_provider *); 76dd84a43cSPoul-Henning Kamp 77dd84a43cSPoul-Henning Kamp /* 78e805e8f0SPoul-Henning Kamp * The g_class structure describes a transformation class. In other words 79e805e8f0SPoul-Henning Kamp * all BSD disklabel handlers share one g_class, all MBR handlers share 80e805e8f0SPoul-Henning Kamp * one common g_class and so on. 81e805e8f0SPoul-Henning Kamp * Certain operations are instantiated on the class, most notably the 82e6e14239SPoul-Henning Kamp * taste and config_geom functions. 83dd84a43cSPoul-Henning Kamp */ 84e805e8f0SPoul-Henning Kamp struct g_class { 850f9d3dbaSPoul-Henning Kamp const char *name; 86dd84a43cSPoul-Henning Kamp g_taste_t *taste; 87e6e14239SPoul-Henning Kamp g_config_t *config; 8863728c47SPoul-Henning Kamp g_ctl_create_geom_t *create_geom; 8963728c47SPoul-Henning Kamp g_ctl_destroy_geom_t *destroy_geom; 90ea9ab6beSPoul-Henning Kamp g_ctl_config_geom_t *config_geom; 9107d77fc6SPoul-Henning Kamp /* 9207d77fc6SPoul-Henning Kamp * The remaning elements are private and classes should use 93503abe45SPoul-Henning Kamp * the G_CLASS_INITIALIZER macro to initialize them. 9407d77fc6SPoul-Henning Kamp */ 95e805e8f0SPoul-Henning Kamp LIST_ENTRY(g_class) class; 96dd84a43cSPoul-Henning Kamp LIST_HEAD(,g_geom) geom; 977d590cc4SPoul-Henning Kamp u_int protect; 98dd84a43cSPoul-Henning Kamp }; 99dd84a43cSPoul-Henning Kamp 100c138fec0SPoul-Henning Kamp #define G_CLASS_INITIALIZER \ 101c138fec0SPoul-Henning Kamp .class = { 0, 0 }, \ 102c138fec0SPoul-Henning Kamp .geom = { 0 }, \ 103c138fec0SPoul-Henning Kamp .protect = 0 10407d77fc6SPoul-Henning Kamp 105dd84a43cSPoul-Henning Kamp /* 106e805e8f0SPoul-Henning Kamp * The g_geom is an instance of a g_class. 107dd84a43cSPoul-Henning Kamp */ 108dd84a43cSPoul-Henning Kamp struct g_geom { 1097d590cc4SPoul-Henning Kamp u_int protect; 110dd84a43cSPoul-Henning Kamp char *name; 111e805e8f0SPoul-Henning Kamp struct g_class *class; 112dd84a43cSPoul-Henning Kamp LIST_ENTRY(g_geom) geom; 113dd84a43cSPoul-Henning Kamp LIST_HEAD(,g_consumer) consumer; 114dd84a43cSPoul-Henning Kamp LIST_HEAD(,g_provider) provider; 115dd84a43cSPoul-Henning Kamp TAILQ_ENTRY(g_geom) geoms; /* XXX: better name */ 116dd84a43cSPoul-Henning Kamp int rank; 117dd84a43cSPoul-Henning Kamp g_start_t *start; 118dd84a43cSPoul-Henning Kamp g_spoiled_t *spoiled; 119dd84a43cSPoul-Henning Kamp g_dumpconf_t *dumpconf; 12007d77fc6SPoul-Henning Kamp g_access_t *access; 12107d77fc6SPoul-Henning Kamp g_orphan_t *orphan; 122dd84a43cSPoul-Henning Kamp void *softc; 123dd84a43cSPoul-Henning Kamp unsigned flags; 124dd84a43cSPoul-Henning Kamp #define G_GEOM_WITHER 1 125dd84a43cSPoul-Henning Kamp }; 126dd84a43cSPoul-Henning Kamp 127dd84a43cSPoul-Henning Kamp /* 128dd84a43cSPoul-Henning Kamp * The g_bioq is a queue of struct bio's. 129dd84a43cSPoul-Henning Kamp * XXX: possibly collection point for statistics. 130dd84a43cSPoul-Henning Kamp * XXX: should (possibly) be collapsed with sys/bio.h::bio_queue_head. 131dd84a43cSPoul-Henning Kamp */ 132dd84a43cSPoul-Henning Kamp struct g_bioq { 133dd84a43cSPoul-Henning Kamp TAILQ_HEAD(, bio) bio_queue; 134dd84a43cSPoul-Henning Kamp struct mtx bio_queue_lock; 135dd84a43cSPoul-Henning Kamp int bio_queue_length; 136dd84a43cSPoul-Henning Kamp }; 137dd84a43cSPoul-Henning Kamp 138dd84a43cSPoul-Henning Kamp /* 139dd84a43cSPoul-Henning Kamp * A g_consumer is an attachment point for a g_provider. One g_consumer 140dd84a43cSPoul-Henning Kamp * can only be attached to one g_provider, but multiple g_consumers 141dd84a43cSPoul-Henning Kamp * can be attached to one g_provider. 142dd84a43cSPoul-Henning Kamp */ 143dd84a43cSPoul-Henning Kamp 144dd84a43cSPoul-Henning Kamp struct g_consumer { 1457d590cc4SPoul-Henning Kamp u_int protect; 146dd84a43cSPoul-Henning Kamp struct g_geom *geom; 147dd84a43cSPoul-Henning Kamp LIST_ENTRY(g_consumer) consumer; 148dd84a43cSPoul-Henning Kamp struct g_provider *provider; 149dd84a43cSPoul-Henning Kamp LIST_ENTRY(g_consumer) consumers; /* XXX: better name */ 150dd84a43cSPoul-Henning Kamp int acr, acw, ace; 151dd84a43cSPoul-Henning Kamp int spoiled; 152e24cbd90SPoul-Henning Kamp struct devstat *stat; 1530e082fccSPoul-Henning Kamp u_int nstart, nend; 154dd84a43cSPoul-Henning Kamp }; 155dd84a43cSPoul-Henning Kamp 156dd84a43cSPoul-Henning Kamp /* 157dd84a43cSPoul-Henning Kamp * A g_provider is a "logical disk". 158dd84a43cSPoul-Henning Kamp */ 159dd84a43cSPoul-Henning Kamp struct g_provider { 1607d590cc4SPoul-Henning Kamp u_int protect; 161dd84a43cSPoul-Henning Kamp char *name; 162dd84a43cSPoul-Henning Kamp LIST_ENTRY(g_provider) provider; 163dd84a43cSPoul-Henning Kamp struct g_geom *geom; 164dd84a43cSPoul-Henning Kamp LIST_HEAD(,g_consumer) consumers; 165dd84a43cSPoul-Henning Kamp int acr, acw, ace; 166dd84a43cSPoul-Henning Kamp int error; 167dd84a43cSPoul-Henning Kamp TAILQ_ENTRY(g_provider) orphan; 1680f9d3dbaSPoul-Henning Kamp u_int index; 1692fccec19SPoul-Henning Kamp off_t mediasize; 17048444d62SPoul-Henning Kamp u_int sectorsize; 1718a63edc3SPoul-Henning Kamp u_int stripesize; 1728a63edc3SPoul-Henning Kamp u_int stripeoffset; 173e24cbd90SPoul-Henning Kamp struct devstat *stat; 1740e082fccSPoul-Henning Kamp u_int nstart, nend; 17583333d45SPoul-Henning Kamp u_int flags; 17683333d45SPoul-Henning Kamp #define G_PF_CANDELETE 0x1 177dd84a43cSPoul-Henning Kamp }; 178dd84a43cSPoul-Henning Kamp 179ce225127SPoul-Henning Kamp /* geom_dev.c */ 180ce225127SPoul-Henning Kamp int g_dev_print(void); 181ce225127SPoul-Henning Kamp 182dd84a43cSPoul-Henning Kamp /* geom_dump.c */ 183dd84a43cSPoul-Henning Kamp void g_hexdump(void *ptr, int length); 1840f9d3dbaSPoul-Henning Kamp void g_trace(int level, const char *, ...); 185dd84a43cSPoul-Henning Kamp # define G_T_TOPOLOGY 1 186dd84a43cSPoul-Henning Kamp # define G_T_BIO 2 187dd84a43cSPoul-Henning Kamp # define G_T_ACCESS 4 188dd84a43cSPoul-Henning Kamp 1893773a65cSPoul-Henning Kamp 190dd84a43cSPoul-Henning Kamp /* geom_event.c */ 1918cd1535aSPoul-Henning Kamp typedef void g_event_t(void *, int flag); 192316aed03SPoul-Henning Kamp #define EV_CANCEL 1 1938cd1535aSPoul-Henning Kamp int g_post_event(g_event_t *func, void *arg, int flag, ...); 1940a9c130cSPoul-Henning Kamp int g_waitfor_event(g_event_t *func, void *arg, int flag, ...); 195316aed03SPoul-Henning Kamp void g_cancel_event(void *ref); 196dd84a43cSPoul-Henning Kamp void g_orphan_provider(struct g_provider *pp, int error); 197346cd5feSPoul-Henning Kamp void g_waitidle(void); 198dd84a43cSPoul-Henning Kamp 199dd84a43cSPoul-Henning Kamp /* geom_subr.c */ 200c7f74a49SPoul-Henning Kamp int g_access_abs(struct g_consumer *cp, int nread, int nwrite, int nexcl); 201c7f74a49SPoul-Henning Kamp int g_access_rel(struct g_consumer *cp, int nread, int nwrite, int nexcl); 202e805e8f0SPoul-Henning Kamp void g_add_class(struct g_class *mp); 203dd84a43cSPoul-Henning Kamp int g_attach(struct g_consumer *cp, struct g_provider *pp); 204dd84a43cSPoul-Henning Kamp void g_destroy_consumer(struct g_consumer *cp); 205dd84a43cSPoul-Henning Kamp void g_destroy_geom(struct g_geom *pp); 206dd84a43cSPoul-Henning Kamp void g_destroy_provider(struct g_provider *pp); 207503abe45SPoul-Henning Kamp void g_detach(struct g_consumer *cp); 208dd84a43cSPoul-Henning Kamp void g_error_provider(struct g_provider *pp, int error); 209a4ef1c5fSPoul-Henning Kamp int g_getattr__(const char *attr, struct g_consumer *cp, void *var, int len); 210a4ef1c5fSPoul-Henning Kamp #define g_getattr(a, c, v) g_getattr__((a), (c), (v), sizeof *(v)) 2110f9d3dbaSPoul-Henning Kamp int g_handleattr(struct bio *bp, const char *attribute, void *val, int len); 2120f9d3dbaSPoul-Henning Kamp int g_handleattr_int(struct bio *bp, const char *attribute, int val); 2130f9d3dbaSPoul-Henning Kamp int g_handleattr_off_t(struct bio *bp, const char *attribute, off_t val); 214dd84a43cSPoul-Henning Kamp struct g_consumer * g_new_consumer(struct g_geom *gp); 2150f9d3dbaSPoul-Henning Kamp struct g_geom * g_new_geomf(struct g_class *mp, const char *fmt, ...); 2160f9d3dbaSPoul-Henning Kamp struct g_provider * g_new_providerf(struct g_geom *gp, const char *fmt, ...); 2177d590cc4SPoul-Henning Kamp void g_sanity(void *ptr); 218dd84a43cSPoul-Henning Kamp void g_spoil(struct g_provider *pp, struct g_consumer *cp); 219dd84a43cSPoul-Henning Kamp int g_std_access(struct g_provider *pp, int dr, int dw, int de); 220dd84a43cSPoul-Henning Kamp void g_std_done(struct bio *bp); 221dd84a43cSPoul-Henning Kamp void g_std_spoiled(struct g_consumer *cp); 222d6227ae7SPoul-Henning Kamp void g_wither_geom(struct g_geom *gp, int error); 223dd84a43cSPoul-Henning Kamp 224dd84a43cSPoul-Henning Kamp /* geom_io.c */ 225dd84a43cSPoul-Henning Kamp struct bio * g_clone_bio(struct bio *); 226dd84a43cSPoul-Henning Kamp void g_destroy_bio(struct bio *); 22772840432SPoul-Henning Kamp void g_io_deliver(struct bio *bp, int error); 2280d3f37a8SPoul-Henning Kamp int g_io_getattr(const char *attr, struct g_consumer *cp, int *len, void *ptr); 229dd84a43cSPoul-Henning Kamp void g_io_request(struct bio *bp, struct g_consumer *cp); 230dd84a43cSPoul-Henning Kamp struct bio *g_new_bio(void); 231dd84a43cSPoul-Henning Kamp void * g_read_data(struct g_consumer *cp, off_t offset, off_t length, int *error); 23290b1cd56SPoul-Henning Kamp int g_write_data(struct g_consumer *cp, off_t offset, void *ptr, off_t length); 233dd84a43cSPoul-Henning Kamp 234dd84a43cSPoul-Henning Kamp /* geom_kern.c / geom_kernsim.c */ 235dd84a43cSPoul-Henning Kamp 236adfa3213SPoul-Henning Kamp #ifndef _SYS_CONF_H_ 237adfa3213SPoul-Henning Kamp typedef int d_ioctl_t(dev_t dev, u_long cmd, caddr_t data, 238adfa3213SPoul-Henning Kamp int fflag, struct thread *td); 239adfa3213SPoul-Henning Kamp #endif 240adfa3213SPoul-Henning Kamp 241a5b2e75dSPoul-Henning Kamp struct g_ioctl { 242a5b2e75dSPoul-Henning Kamp u_long cmd; 243a5b2e75dSPoul-Henning Kamp void *data; 244a5b2e75dSPoul-Henning Kamp int fflag; 245a5b2e75dSPoul-Henning Kamp struct thread *td; 246adfa3213SPoul-Henning Kamp d_ioctl_t *func; 247e55d9b0bSPoul-Henning Kamp void *dev; 248a5b2e75dSPoul-Henning Kamp }; 249dd84a43cSPoul-Henning Kamp 250dd84a43cSPoul-Henning Kamp #ifdef _KERNEL 251dd84a43cSPoul-Henning Kamp 25295c24b31SPoul-Henning Kamp struct g_kerneldump { 25395c24b31SPoul-Henning Kamp off_t offset; 25495c24b31SPoul-Henning Kamp off_t length; 25595c24b31SPoul-Henning Kamp }; 25695c24b31SPoul-Henning Kamp 257dd84a43cSPoul-Henning Kamp MALLOC_DECLARE(M_GEOM); 258dd84a43cSPoul-Henning Kamp 259dd84a43cSPoul-Henning Kamp static __inline void * 260dd84a43cSPoul-Henning Kamp g_malloc(int size, int flags) 261dd84a43cSPoul-Henning Kamp { 262dd84a43cSPoul-Henning Kamp void *p; 263dd84a43cSPoul-Henning Kamp 264dd84a43cSPoul-Henning Kamp p = malloc(size, M_GEOM, flags); 2657d590cc4SPoul-Henning Kamp g_sanity(p); 2667d590cc4SPoul-Henning Kamp /* printf("malloc(%d, %x) -> %p\n", size, flags, p); */ 267dd84a43cSPoul-Henning Kamp return (p); 268dd84a43cSPoul-Henning Kamp } 269dd84a43cSPoul-Henning Kamp 270dd84a43cSPoul-Henning Kamp static __inline void 271dd84a43cSPoul-Henning Kamp g_free(void *ptr) 272dd84a43cSPoul-Henning Kamp { 2737d590cc4SPoul-Henning Kamp g_sanity(ptr); 2747d590cc4SPoul-Henning Kamp /* printf("free(%p)\n", ptr); */ 275dd84a43cSPoul-Henning Kamp free(ptr, M_GEOM); 276dd84a43cSPoul-Henning Kamp } 277dd84a43cSPoul-Henning Kamp 278dd84a43cSPoul-Henning Kamp extern struct sx topology_lock; 2794b8374a7SPoul-Henning Kamp 2804b8374a7SPoul-Henning Kamp #define g_topology_lock() \ 2814b8374a7SPoul-Henning Kamp do { \ 2824b8374a7SPoul-Henning Kamp mtx_assert(&Giant, MA_NOTOWNED); \ 2834b8374a7SPoul-Henning Kamp sx_xlock(&topology_lock); \ 2844b8374a7SPoul-Henning Kamp } while (0) 2854b8374a7SPoul-Henning Kamp 2864b8374a7SPoul-Henning Kamp #define g_topology_unlock() \ 2874b8374a7SPoul-Henning Kamp do { \ 2884b8374a7SPoul-Henning Kamp g_sanity(NULL); \ 2894b8374a7SPoul-Henning Kamp sx_xunlock(&topology_lock); \ 2904b8374a7SPoul-Henning Kamp } while (0) 2914b8374a7SPoul-Henning Kamp 2924b8374a7SPoul-Henning Kamp #define g_topology_assert() \ 2934b8374a7SPoul-Henning Kamp do { \ 2944b8374a7SPoul-Henning Kamp g_sanity(NULL); \ 2954b8374a7SPoul-Henning Kamp sx_assert(&topology_lock, SX_XLOCKED); \ 2964b8374a7SPoul-Henning Kamp } while (0) 297dd84a43cSPoul-Henning Kamp 298e970552dSPoul-Henning Kamp #define DECLARE_GEOM_CLASS_INIT(class, name, init) \ 29960e0e42eSJake Burkholder SYSINIT(name, SI_SUB_DRIVERS, SI_ORDER_FIRST, init, NULL); 300e970552dSPoul-Henning Kamp 301e805e8f0SPoul-Henning Kamp #define DECLARE_GEOM_CLASS(class, name) \ 302dd84a43cSPoul-Henning Kamp static void \ 303dd84a43cSPoul-Henning Kamp name##init(void) \ 304dd84a43cSPoul-Henning Kamp { \ 305dd84a43cSPoul-Henning Kamp mtx_unlock(&Giant); \ 306e805e8f0SPoul-Henning Kamp g_add_class(&class); \ 307dd84a43cSPoul-Henning Kamp mtx_lock(&Giant); \ 308dd84a43cSPoul-Henning Kamp } \ 309e970552dSPoul-Henning Kamp DECLARE_GEOM_CLASS_INIT(class, name, name##init); 310dd84a43cSPoul-Henning Kamp 3117d590cc4SPoul-Henning Kamp #endif /* _KERNEL */ 312dd84a43cSPoul-Henning Kamp 31363728c47SPoul-Henning Kamp /* geom_ctl.c */ 31463728c47SPoul-Henning Kamp void *gctl_get_param(struct gctl_req *req, const char *param, int *len); 315fb9483afSPoul-Henning Kamp void *gctl_get_paraml(struct gctl_req *req, const char *param, int len); 316fb9483afSPoul-Henning Kamp int gctl_error(struct gctl_req *req, const char *fmt, ...); 31763728c47SPoul-Henning Kamp 318efb9df5cSPoul-Henning Kamp #endif /* _GEOM_GEOM_H_ */ 319