| 1 | /* $NetBSD: device.h,v 1.149 2016/06/19 09:35:06 bouyer Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1996, 2000 Christopher G. Demetriou |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. All advertising materials mentioning features or use of this software |
| 16 | * must display the following acknowledgement: |
| 17 | * This product includes software developed for the |
| 18 | * NetBSD Project. See http://www.NetBSD.org/ for |
| 19 | * information about NetBSD. |
| 20 | * 4. The name of the author may not be used to endorse or promote products |
| 21 | * derived from this software without specific prior written permission. |
| 22 | * |
| 23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 24 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 25 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 26 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 27 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 28 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 29 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 30 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 32 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 33 | * |
| 34 | * --(license Id: LICENSE.proto,v 1.1 2000/06/13 21:40:26 cgd Exp )-- |
| 35 | */ |
| 36 | |
| 37 | /* |
| 38 | * Copyright (c) 1992, 1993 |
| 39 | * The Regents of the University of California. All rights reserved. |
| 40 | * |
| 41 | * This software was developed by the Computer Systems Engineering group |
| 42 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and |
| 43 | * contributed to Berkeley. |
| 44 | * |
| 45 | * All advertising materials mentioning features or use of this software |
| 46 | * must display the following acknowledgement: |
| 47 | * This product includes software developed by the University of |
| 48 | * California, Lawrence Berkeley Laboratories. |
| 49 | * |
| 50 | * Redistribution and use in source and binary forms, with or without |
| 51 | * modification, are permitted provided that the following conditions |
| 52 | * are met: |
| 53 | * 1. Redistributions of source code must retain the above copyright |
| 54 | * notice, this list of conditions and the following disclaimer. |
| 55 | * 2. Redistributions in binary form must reproduce the above copyright |
| 56 | * notice, this list of conditions and the following disclaimer in the |
| 57 | * documentation and/or other materials provided with the distribution. |
| 58 | * 3. Neither the name of the University nor the names of its contributors |
| 59 | * may be used to endorse or promote products derived from this software |
| 60 | * without specific prior written permission. |
| 61 | * |
| 62 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 63 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 64 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 65 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 66 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 67 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 68 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 69 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 70 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 71 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 72 | * SUCH DAMAGE. |
| 73 | * |
| 74 | * @(#)device.h 8.2 (Berkeley) 2/17/94 |
| 75 | */ |
| 76 | |
| 77 | #ifndef _SYS_DEVICE_H_ |
| 78 | #define _SYS_DEVICE_H_ |
| 79 | |
| 80 | #include <sys/device_if.h> |
| 81 | #include <sys/evcnt.h> |
| 82 | #include <sys/queue.h> |
| 83 | |
| 84 | #ifdef _KERNEL |
| 85 | #include <sys/mutex.h> |
| 86 | #include <sys/condvar.h> |
| 87 | #include <sys/pmf.h> |
| 88 | #endif |
| 89 | |
| 90 | #include <prop/proplib.h> |
| 91 | |
| 92 | /* |
| 93 | * Minimal device structures. |
| 94 | * Note that all ``system'' device types are listed here. |
| 95 | */ |
| 96 | typedef enum devclass { |
| 97 | DV_DULL, /* generic, no special info */ |
| 98 | DV_CPU, /* CPU (carries resource utilization) */ |
| 99 | DV_DISK, /* disk drive (label, etc) */ |
| 100 | DV_IFNET, /* network interface */ |
| 101 | DV_TAPE, /* tape device */ |
| 102 | DV_TTY, /* serial line interface (?) */ |
| 103 | DV_AUDIODEV, /* audio device */ |
| 104 | DV_DISPLAYDEV, /* display device */ |
| 105 | DV_BUS, /* bus device */ |
| 106 | DV_VIRTUAL, /* unbacked virtual device */ |
| 107 | } devclass_t; |
| 108 | |
| 109 | /* |
| 110 | * Actions for ca_activate. |
| 111 | */ |
| 112 | typedef enum devact { |
| 113 | DVACT_DEACTIVATE /* deactivate the device */ |
| 114 | } devact_t; |
| 115 | |
| 116 | typedef enum { |
| 117 | DVA_SYSTEM, |
| 118 | DVA_HARDWARE |
| 119 | } devactive_t; |
| 120 | |
| 121 | typedef struct cfdata *cfdata_t; |
| 122 | typedef struct cfdriver *cfdriver_t; |
| 123 | typedef struct cfattach *cfattach_t; |
| 124 | |
| 125 | #ifdef _KERNEL |
| 126 | struct device_lock { |
| 127 | int dvl_nwait; |
| 128 | int dvl_nlock; |
| 129 | lwp_t *dvl_holder; |
| 130 | kmutex_t dvl_mtx; |
| 131 | kcondvar_t dvl_cv; |
| 132 | }; |
| 133 | |
| 134 | struct device_suspensor { |
| 135 | const device_suspensor_t *ds_delegator; |
| 136 | char ds_name[32]; |
| 137 | }; |
| 138 | |
| 139 | #define DEVICE_SUSPENSORS_MAX 16 |
| 140 | |
| 141 | struct device_garbage { |
| 142 | device_t *dg_devs; |
| 143 | int dg_ndevs; |
| 144 | }; |
| 145 | |
| 146 | struct device { |
| 147 | devclass_t dv_class; /* this device's classification */ |
| 148 | TAILQ_ENTRY(device) dv_list; /* entry on list of all devices */ |
| 149 | cfdata_t dv_cfdata; /* config data that found us |
| 150 | (NULL if pseudo-device) */ |
| 151 | cfdriver_t dv_cfdriver; /* our cfdriver */ |
| 152 | cfattach_t dv_cfattach; /* our cfattach */ |
| 153 | int dv_unit; /* device unit number */ |
| 154 | char dv_xname[16]; /* external name (name + unit) */ |
| 155 | device_t dv_parent; /* pointer to parent device |
| 156 | (NULL if pseudo- or root node) */ |
| 157 | int dv_depth; /* number of parents until root */ |
| 158 | int dv_flags; /* misc. flags; see below */ |
| 159 | void *dv_private; /* this device's private storage */ |
| 160 | int *dv_locators; /* our actual locators (optional) */ |
| 161 | prop_dictionary_t dv_properties;/* properties dictionary */ |
| 162 | |
| 163 | size_t dv_activity_count; |
| 164 | void (**dv_activity_handlers)(device_t, devactive_t); |
| 165 | |
| 166 | bool (*dv_driver_suspend)(device_t, const pmf_qual_t *); |
| 167 | bool (*dv_driver_resume)(device_t, const pmf_qual_t *); |
| 168 | bool (*dv_driver_shutdown)(device_t, int); |
| 169 | bool (*dv_driver_child_register)(device_t); |
| 170 | |
| 171 | void *dv_bus_private; |
| 172 | bool (*dv_bus_suspend)(device_t, const pmf_qual_t *); |
| 173 | bool (*dv_bus_resume)(device_t, const pmf_qual_t *); |
| 174 | bool (*dv_bus_shutdown)(device_t, int); |
| 175 | void (*dv_bus_deregister)(device_t); |
| 176 | |
| 177 | void *dv_class_private; |
| 178 | bool (*dv_class_suspend)(device_t, const pmf_qual_t *); |
| 179 | bool (*dv_class_resume)(device_t, const pmf_qual_t *); |
| 180 | void (*dv_class_deregister)(device_t); |
| 181 | |
| 182 | devgen_t dv_add_gen, |
| 183 | dv_del_gen; |
| 184 | |
| 185 | struct device_lock dv_lock; |
| 186 | const device_suspensor_t |
| 187 | *dv_bus_suspensors[DEVICE_SUSPENSORS_MAX], |
| 188 | *dv_driver_suspensors[DEVICE_SUSPENSORS_MAX], |
| 189 | *dv_class_suspensors[DEVICE_SUSPENSORS_MAX]; |
| 190 | struct device_garbage dv_garbage; |
| 191 | }; |
| 192 | |
| 193 | /* dv_flags */ |
| 194 | #define DVF_ACTIVE 0x0001 /* device is activated */ |
| 195 | #define DVF_PRIV_ALLOC 0x0002 /* device private storage != device */ |
| 196 | #define DVF_POWER_HANDLERS 0x0004 /* device has suspend/resume support */ |
| 197 | #define DVF_CLASS_SUSPENDED 0x0008 /* device class suspend was called */ |
| 198 | #define DVF_DRIVER_SUSPENDED 0x0010 /* device driver suspend was called */ |
| 199 | #define DVF_BUS_SUSPENDED 0x0020 /* device bus suspend was called */ |
| 200 | #define DVF_DETACH_SHUTDOWN 0x0080 /* device detaches safely at shutdown */ |
| 201 | |
| 202 | TAILQ_HEAD(devicelist, device); |
| 203 | |
| 204 | enum deviter_flags { |
| 205 | DEVITER_F_RW = 0x1 |
| 206 | , DEVITER_F_SHUTDOWN = 0x2 |
| 207 | , DEVITER_F_LEAVES_FIRST = 0x4 |
| 208 | , DEVITER_F_ROOT_FIRST = 0x8 |
| 209 | }; |
| 210 | |
| 211 | typedef enum deviter_flags deviter_flags_t; |
| 212 | |
| 213 | struct deviter { |
| 214 | device_t di_prev; |
| 215 | deviter_flags_t di_flags; |
| 216 | int di_curdepth; |
| 217 | int di_maxdepth; |
| 218 | devgen_t di_gen; |
| 219 | }; |
| 220 | |
| 221 | typedef struct deviter deviter_t; |
| 222 | |
| 223 | struct shutdown_state { |
| 224 | bool initialized; |
| 225 | deviter_t di; |
| 226 | }; |
| 227 | #endif |
| 228 | |
| 229 | /* |
| 230 | * Description of a locator, as part of interface attribute definitions. |
| 231 | */ |
| 232 | struct cflocdesc { |
| 233 | const char *cld_name; |
| 234 | const char *cld_defaultstr; /* NULL if no default */ |
| 235 | int cld_default; |
| 236 | }; |
| 237 | |
| 238 | /* |
| 239 | * Description of an interface attribute, provided by potential |
| 240 | * parent device drivers, referred to by child device configuration data. |
| 241 | */ |
| 242 | struct cfiattrdata { |
| 243 | const char *ci_name; |
| 244 | int ci_loclen; |
| 245 | const struct cflocdesc ci_locdesc[ |
| 246 | #if defined(__GNUC__) && __GNUC__ <= 2 |
| 247 | 0 |
| 248 | #endif |
| 249 | ]; |
| 250 | }; |
| 251 | |
| 252 | /* |
| 253 | * Description of a configuration parent. Each device attachment attaches |
| 254 | * to an "interface attribute", which is given in this structure. The parent |
| 255 | * *must* carry this attribute. Optionally, an individual device instance |
| 256 | * may also specify a specific parent device instance. |
| 257 | */ |
| 258 | struct cfparent { |
| 259 | const char *cfp_iattr; /* interface attribute */ |
| 260 | const char *cfp_parent; /* optional specific parent */ |
| 261 | int cfp_unit; /* optional specific unit |
| 262 | (DVUNIT_ANY to wildcard) */ |
| 263 | }; |
| 264 | |
| 265 | /* |
| 266 | * Configuration data (i.e., data placed in ioconf.c). |
| 267 | */ |
| 268 | struct cfdata { |
| 269 | const char *cf_name; /* driver name */ |
| 270 | const char *cf_atname; /* attachment name */ |
| 271 | short cf_unit; /* unit number */ |
| 272 | short cf_fstate; /* finding state (below) */ |
| 273 | int *cf_loc; /* locators (machine dependent) */ |
| 274 | int cf_flags; /* flags from config */ |
| 275 | const struct cfparent *cf_pspec;/* parent specification */ |
| 276 | }; |
| 277 | #define FSTATE_NOTFOUND 0 /* has not been found */ |
| 278 | #define FSTATE_FOUND 1 /* has been found */ |
| 279 | #define FSTATE_STAR 2 /* duplicable */ |
| 280 | #define FSTATE_DSTAR 3 /* has not been found, and disabled */ |
| 281 | #define FSTATE_DNOTFOUND 4 /* duplicate, and disabled */ |
| 282 | |
| 283 | /* |
| 284 | * Multiple configuration data tables may be maintained. This structure |
| 285 | * provides the linkage. |
| 286 | */ |
| 287 | struct cftable { |
| 288 | cfdata_t ct_cfdata; /* pointer to cfdata table */ |
| 289 | TAILQ_ENTRY(cftable) ct_list; /* list linkage */ |
| 290 | }; |
| 291 | TAILQ_HEAD(cftablelist, cftable); |
| 292 | |
| 293 | typedef int (*cfsubmatch_t)(device_t, cfdata_t, const int *, void *); |
| 294 | |
| 295 | /* |
| 296 | * `configuration' attachment and driver (what the machine-independent |
| 297 | * autoconf uses). As devices are found, they are applied against all |
| 298 | * the potential matches. The one with the best match is taken, and a |
| 299 | * device structure (plus any other data desired) is allocated. Pointers |
| 300 | * to these are placed into an array of pointers. The array itself must |
| 301 | * be dynamic since devices can be found long after the machine is up |
| 302 | * and running. |
| 303 | * |
| 304 | * Devices can have multiple configuration attachments if they attach |
| 305 | * to different attributes (busses, or whatever), to allow specification |
| 306 | * of multiple match and attach functions. There is only one configuration |
| 307 | * driver per driver, so that things like unit numbers and the device |
| 308 | * structure array will be shared. |
| 309 | */ |
| 310 | struct cfattach { |
| 311 | const char *ca_name; /* name of attachment */ |
| 312 | LIST_ENTRY(cfattach) ca_list; /* link on cfdriver's list */ |
| 313 | size_t ca_devsize; /* size of dev data (for alloc) */ |
| 314 | int ca_flags; /* flags for driver allocation etc */ |
| 315 | int (*ca_match)(device_t, cfdata_t, void *); |
| 316 | void (*ca_attach)(device_t, device_t, void *); |
| 317 | int (*ca_detach)(device_t, int); |
| 318 | int (*ca_activate)(device_t, devact_t); |
| 319 | /* technically, the next 2 belong into "struct cfdriver" */ |
| 320 | int (*ca_rescan)(device_t, const char *, |
| 321 | const int *); /* scan for new children */ |
| 322 | void (*ca_childdetached)(device_t, device_t); |
| 323 | }; |
| 324 | LIST_HEAD(cfattachlist, cfattach); |
| 325 | |
| 326 | #define CFATTACH_DECL3_NEW(name, ddsize, matfn, attfn, detfn, actfn, \ |
| 327 | rescanfn, chdetfn, __flags) \ |
| 328 | struct cfattach __CONCAT(name,_ca) = { \ |
| 329 | .ca_name = ___STRING(name), \ |
| 330 | .ca_devsize = ddsize, \ |
| 331 | .ca_flags = (__flags) | DVF_PRIV_ALLOC, \ |
| 332 | .ca_match = matfn, \ |
| 333 | .ca_attach = attfn, \ |
| 334 | .ca_detach = detfn, \ |
| 335 | .ca_activate = actfn, \ |
| 336 | .ca_rescan = rescanfn, \ |
| 337 | .ca_childdetached = chdetfn, \ |
| 338 | } |
| 339 | |
| 340 | #define CFATTACH_DECL2_NEW(name, ddsize, matfn, attfn, detfn, actfn, \ |
| 341 | rescanfn, chdetfn) \ |
| 342 | CFATTACH_DECL3_NEW(name, ddsize, matfn, attfn, detfn, actfn, \ |
| 343 | rescanfn, chdetfn, 0) |
| 344 | |
| 345 | #define CFATTACH_DECL_NEW(name, ddsize, matfn, attfn, detfn, actfn) \ |
| 346 | CFATTACH_DECL2_NEW(name, ddsize, matfn, attfn, detfn, actfn, NULL, NULL) |
| 347 | |
| 348 | /* Flags given to config_detach(), and the ca_detach function. */ |
| 349 | #define DETACH_FORCE 0x01 /* force detachment; hardware gone */ |
| 350 | #define DETACH_QUIET 0x02 /* don't print a notice */ |
| 351 | #define DETACH_SHUTDOWN 0x04 /* detach because of system shutdown */ |
| 352 | #define DETACH_POWEROFF 0x08 /* going to power off; power down devices */ |
| 353 | |
| 354 | struct cfdriver { |
| 355 | LIST_ENTRY(cfdriver) cd_list; /* link on allcfdrivers */ |
| 356 | struct cfattachlist cd_attach; /* list of all attachments */ |
| 357 | device_t *cd_devs; /* devices found */ |
| 358 | const char *cd_name; /* device name */ |
| 359 | enum devclass cd_class; /* device classification */ |
| 360 | int cd_ndevs; /* size of cd_devs array */ |
| 361 | const struct cfiattrdata * const *cd_attrs; /* attributes provided */ |
| 362 | }; |
| 363 | LIST_HEAD(cfdriverlist, cfdriver); |
| 364 | |
| 365 | #define CFDRIVER_DECL(name, class, attrs) \ |
| 366 | struct cfdriver __CONCAT(name,_cd) = { \ |
| 367 | .cd_name = ___STRING(name), \ |
| 368 | .cd_class = class, \ |
| 369 | .cd_attrs = attrs, \ |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | * The cfattachinit is a data structure used to associate a list of |
| 374 | * cfattach's with cfdrivers as found in the static kernel configuration. |
| 375 | */ |
| 376 | struct cfattachinit { |
| 377 | const char *cfai_name; /* driver name */ |
| 378 | struct cfattach * const *cfai_list;/* list of attachments */ |
| 379 | }; |
| 380 | /* |
| 381 | * the same, but with a non-constant list so it can be modified |
| 382 | * for module bookkeeping |
| 383 | */ |
| 384 | struct cfattachlkminit { |
| 385 | const char *cfai_name; /* driver name */ |
| 386 | struct cfattach **cfai_list; /* list of attachments */ |
| 387 | }; |
| 388 | |
| 389 | /* |
| 390 | * Configuration printing functions, and their return codes. The second |
| 391 | * argument is NULL if the device was configured; otherwise it is the name |
| 392 | * of the parent device. The return value is ignored if the device was |
| 393 | * configured, so most functions can return UNCONF unconditionally. |
| 394 | */ |
| 395 | typedef int (*cfprint_t)(void *, const char *); /* XXX const char * */ |
| 396 | #define QUIET 0 /* print nothing */ |
| 397 | #define UNCONF 1 /* print " not configured\n" */ |
| 398 | #define UNSUPP 2 /* print " not supported\n" */ |
| 399 | |
| 400 | /* |
| 401 | * Pseudo-device attach information (function + number of pseudo-devs). |
| 402 | */ |
| 403 | struct pdevinit { |
| 404 | void (*pdev_attach)(int); |
| 405 | int pdev_count; |
| 406 | }; |
| 407 | |
| 408 | /* This allows us to wildcard a device unit. */ |
| 409 | #define DVUNIT_ANY -1 |
| 410 | |
| 411 | #ifdef _KERNEL |
| 412 | |
| 413 | extern struct cfdriverlist allcfdrivers;/* list of all cfdrivers */ |
| 414 | extern struct cftablelist allcftables; /* list of all cfdata tables */ |
| 415 | extern device_t booted_device; /* the device we booted from */ |
| 416 | extern int booted_partition; /* the partition on that device */ |
| 417 | extern daddr_t booted_startblk; /* or the start of a wedge */ |
| 418 | extern uint64_t booted_nblks; /* and the size of that wedge */ |
| 419 | extern char *bootspec; /* and the device/wedge name */ |
| 420 | |
| 421 | struct vnode *opendisk(device_t); |
| 422 | int getdisksize(struct vnode *, uint64_t *, unsigned int *); |
| 423 | struct dkwedge_info; |
| 424 | int getdiskinfo(struct vnode *, struct dkwedge_info *); |
| 425 | |
| 426 | void config_init(void); |
| 427 | int config_init_component(struct cfdriver *const*, |
| 428 | const struct cfattachinit *, struct cfdata *); |
| 429 | int config_fini_component(struct cfdriver *const*, |
| 430 | const struct cfattachinit *, struct cfdata *); |
| 431 | void config_init_mi(void); |
| 432 | void drvctl_init(void); |
| 433 | void drvctl_fini(void); |
| 434 | |
| 435 | int config_cfdriver_attach(struct cfdriver *); |
| 436 | int config_cfdriver_detach(struct cfdriver *); |
| 437 | |
| 438 | int config_cfattach_attach(const char *, struct cfattach *); |
| 439 | int config_cfattach_detach(const char *, struct cfattach *); |
| 440 | |
| 441 | int config_cfdata_attach(cfdata_t, int); |
| 442 | int config_cfdata_detach(cfdata_t); |
| 443 | |
| 444 | struct cfdriver *config_cfdriver_lookup(const char *); |
| 445 | struct cfattach *config_cfattach_lookup(const char *, const char *); |
| 446 | const struct cfiattrdata *cfiattr_lookup(const char *, const struct cfdriver *); |
| 447 | |
| 448 | const char *cfdata_ifattr(const struct cfdata *); |
| 449 | |
| 450 | int config_stdsubmatch(device_t, cfdata_t, const int *, void *); |
| 451 | cfdata_t config_search_loc(cfsubmatch_t, device_t, |
| 452 | const char *, const int *, void *); |
| 453 | cfdata_t config_search_ia(cfsubmatch_t, device_t, |
| 454 | const char *, void *); |
| 455 | cfdata_t config_rootsearch(cfsubmatch_t, const char *, void *); |
| 456 | device_t config_found_sm_loc(device_t, const char *, const int *, |
| 457 | void *, cfprint_t, cfsubmatch_t); |
| 458 | device_t config_found_ia(device_t, const char *, void *, cfprint_t); |
| 459 | device_t config_found(device_t, void *, cfprint_t); |
| 460 | device_t config_rootfound(const char *, void *); |
| 461 | device_t config_attach_loc(device_t, cfdata_t, const int *, void *, cfprint_t); |
| 462 | device_t config_attach(device_t, cfdata_t, void *, cfprint_t); |
| 463 | int config_match(device_t, cfdata_t, void *); |
| 464 | |
| 465 | bool ifattr_match(const char *, const char *); |
| 466 | |
| 467 | device_t config_attach_pseudo(cfdata_t); |
| 468 | |
| 469 | int config_detach(device_t, int); |
| 470 | int config_detach_children(device_t, int flags); |
| 471 | bool config_detach_all(int); |
| 472 | int config_deactivate(device_t); |
| 473 | void config_defer(device_t, void (*)(device_t)); |
| 474 | void config_deferred(device_t); |
| 475 | void config_interrupts(device_t, void (*)(device_t)); |
| 476 | void config_mountroot(device_t, void (*)(device_t)); |
| 477 | void config_pending_incr(device_t); |
| 478 | void config_pending_decr(device_t); |
| 479 | void config_create_interruptthreads(void); |
| 480 | void config_create_mountrootthreads(void); |
| 481 | |
| 482 | int config_finalize_register(device_t, int (*)(device_t)); |
| 483 | void config_finalize(void); |
| 484 | void config_finalize_mountroot(void); |
| 485 | |
| 486 | void config_twiddle_init(void); |
| 487 | void config_twiddle_fn(void *); |
| 488 | |
| 489 | void null_childdetached(device_t, device_t); |
| 490 | |
| 491 | device_t device_lookup(cfdriver_t, int); |
| 492 | void *device_lookup_private(cfdriver_t, int); |
| 493 | void device_register(device_t, void *); |
| 494 | void device_register_post_config(device_t, void *); |
| 495 | |
| 496 | devclass_t device_class(device_t); |
| 497 | cfdata_t device_cfdata(device_t); |
| 498 | cfdriver_t device_cfdriver(device_t); |
| 499 | cfattach_t device_cfattach(device_t); |
| 500 | int device_unit(device_t); |
| 501 | const char *device_xname(device_t); |
| 502 | device_t device_parent(device_t); |
| 503 | bool device_is_active(device_t); |
| 504 | bool device_activation(device_t, devact_level_t); |
| 505 | bool device_is_enabled(device_t); |
| 506 | bool device_has_power(device_t); |
| 507 | int device_locator(device_t, u_int); |
| 508 | void *device_private(device_t); |
| 509 | prop_dictionary_t device_properties(device_t); |
| 510 | |
| 511 | device_t deviter_first(deviter_t *, deviter_flags_t); |
| 512 | void deviter_init(deviter_t *, deviter_flags_t); |
| 513 | device_t deviter_next(deviter_t *); |
| 514 | void deviter_release(deviter_t *); |
| 515 | |
| 516 | bool device_active(device_t, devactive_t); |
| 517 | bool device_active_register(device_t, |
| 518 | void (*)(device_t, devactive_t)); |
| 519 | void device_active_deregister(device_t, |
| 520 | void (*)(device_t, devactive_t)); |
| 521 | |
| 522 | bool device_is_a(device_t, const char *); |
| 523 | |
| 524 | device_t device_find_by_xname(const char *); |
| 525 | device_t device_find_by_driver_unit(const char *, int); |
| 526 | |
| 527 | bool device_pmf_is_registered(device_t); |
| 528 | |
| 529 | bool device_pmf_driver_suspend(device_t, const pmf_qual_t *); |
| 530 | bool device_pmf_driver_resume(device_t, const pmf_qual_t *); |
| 531 | bool device_pmf_driver_shutdown(device_t, int); |
| 532 | |
| 533 | bool device_pmf_driver_register(device_t, |
| 534 | bool (*)(device_t, const pmf_qual_t *), |
| 535 | bool (*)(device_t, const pmf_qual_t *), |
| 536 | bool (*)(device_t, int)); |
| 537 | void device_pmf_driver_deregister(device_t); |
| 538 | |
| 539 | bool device_pmf_driver_child_register(device_t); |
| 540 | void device_pmf_driver_set_child_register(device_t, |
| 541 | bool (*)(device_t)); |
| 542 | |
| 543 | void *device_pmf_bus_private(device_t); |
| 544 | bool device_pmf_bus_suspend(device_t, const pmf_qual_t *); |
| 545 | bool device_pmf_bus_resume(device_t, const pmf_qual_t *); |
| 546 | bool device_pmf_bus_shutdown(device_t, int); |
| 547 | |
| 548 | device_lock_t device_getlock(device_t); |
| 549 | void device_pmf_unlock(device_t); |
| 550 | bool device_pmf_lock(device_t); |
| 551 | |
| 552 | bool device_is_self_suspended(device_t); |
| 553 | void device_pmf_self_suspend(device_t, const pmf_qual_t *); |
| 554 | void device_pmf_self_resume(device_t, const pmf_qual_t *); |
| 555 | bool device_pmf_self_wait(device_t, const pmf_qual_t *); |
| 556 | |
| 557 | void device_pmf_bus_register(device_t, void *, |
| 558 | bool (*)(device_t, const pmf_qual_t *), |
| 559 | bool (*)(device_t, const pmf_qual_t *), |
| 560 | bool (*)(device_t, int), |
| 561 | void (*)(device_t)); |
| 562 | void device_pmf_bus_deregister(device_t); |
| 563 | |
| 564 | void *device_pmf_class_private(device_t); |
| 565 | bool device_pmf_class_suspend(device_t, const pmf_qual_t *); |
| 566 | bool device_pmf_class_resume(device_t, const pmf_qual_t *); |
| 567 | |
| 568 | void device_pmf_class_register(device_t, void *, |
| 569 | bool (*)(device_t, const pmf_qual_t *), |
| 570 | bool (*)(device_t, const pmf_qual_t *), |
| 571 | void (*)(device_t)); |
| 572 | void device_pmf_class_deregister(device_t); |
| 573 | |
| 574 | device_t shutdown_first(struct shutdown_state *); |
| 575 | device_t shutdown_next(struct shutdown_state *); |
| 576 | #endif /* _KERNEL */ |
| 577 | |
| 578 | #endif /* !_SYS_DEVICE_H_ */ |
| 579 | |