1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1997,1998,2003 Doug Rabson 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_BUS_H_ 30 #define _SYS_BUS_H_ 31 32 #include <machine/_limits.h> 33 #include <machine/_bus.h> 34 #include <sys/_bus_dma.h> 35 #include <sys/ioccom.h> 36 37 /** 38 * @defgroup NEWBUS newbus - a generic framework for managing devices 39 * @{ 40 */ 41 42 /** 43 * @brief Interface information structure. 44 */ 45 struct u_businfo { 46 int ub_version; /**< @brief interface version */ 47 #define BUS_USER_VERSION 2 48 int ub_generation; /**< @brief generation count */ 49 }; 50 51 /** 52 * @brief State of the device. 53 */ 54 typedef enum device_state { 55 DS_NOTPRESENT = 10, /**< @brief not probed or probe failed */ 56 DS_ALIVE = 20, /**< @brief probe succeeded */ 57 DS_ATTACHING = 25, /**< @brief currently attaching */ 58 DS_ATTACHED = 30, /**< @brief attach method called */ 59 } device_state_t; 60 61 /** 62 * @brief Device proprty types. 63 * 64 * Those are used by bus logic to encode requested properties, 65 * e.g. in DT all properties are stored as BE and need to be converted 66 * to host endianness. 67 */ 68 typedef enum device_property_type { 69 DEVICE_PROP_ANY = 0, 70 DEVICE_PROP_BUFFER = 1, 71 DEVICE_PROP_UINT32 = 2, 72 DEVICE_PROP_UINT64 = 3, 73 DEVICE_PROP_HANDLE = 4, 74 } device_property_type_t; 75 76 /** 77 * @brief Device information exported to userspace. 78 * The strings are placed one after the other, separated by NUL characters. 79 * Fields should be added after the last one and order maintained for compatibility 80 */ 81 #define BUS_USER_BUFFER (3*1024) 82 struct u_device { 83 uintptr_t dv_handle; 84 uintptr_t dv_parent; 85 uint32_t dv_devflags; /**< @brief API Flags for device */ 86 uint16_t dv_flags; /**< @brief flags for dev state */ 87 device_state_t dv_state; /**< @brief State of attachment */ 88 char dv_fields[BUS_USER_BUFFER]; /**< @brief NUL terminated fields */ 89 /* name (name of the device in tree) */ 90 /* desc (driver description) */ 91 /* drivername (Name of driver without unit number) */ 92 /* pnpinfo (Plug and play information from bus) */ 93 /* location (Location of device on parent */ 94 /* NUL */ 95 }; 96 97 /* Flags exported via dv_flags. */ 98 #define DF_ENABLED 0x01 /* device should be probed/attached */ 99 #define DF_FIXEDCLASS 0x02 /* devclass specified at create time */ 100 #define DF_WILDCARD 0x04 /* unit was originally wildcard */ 101 #define DF_DESCMALLOCED 0x08 /* description was malloced */ 102 #define DF_QUIET 0x10 /* don't print verbose attach message */ 103 #define DF_DONENOMATCH 0x20 /* don't execute DEVICE_NOMATCH again */ 104 #define DF_EXTERNALSOFTC 0x40 /* softc not allocated by us */ 105 #define DF_SUSPENDED 0x100 /* Device is suspended. */ 106 #define DF_QUIET_CHILDREN 0x200 /* Default to quiet for all my children */ 107 #define DF_ATTACHED_ONCE 0x400 /* Has been attached at least once */ 108 #define DF_NEEDNOMATCH 0x800 /* Has a pending NOMATCH event */ 109 110 /** 111 * @brief Device request structure used for ioctl's. 112 * 113 * Used for ioctl's on /dev/devctl2. All device ioctl's 114 * must have parameter definitions which begin with dr_name. 115 */ 116 struct devreq_buffer { 117 void *buffer; 118 size_t length; 119 }; 120 121 struct devreq { 122 char dr_name[128]; 123 int dr_flags; /* request-specific flags */ 124 union { 125 struct devreq_buffer dru_buffer; 126 void *dru_data; 127 } dr_dru; 128 #define dr_buffer dr_dru.dru_buffer /* variable-sized buffer */ 129 #define dr_data dr_dru.dru_data /* fixed-size buffer */ 130 }; 131 132 #define DEV_ATTACH _IOW('D', 1, struct devreq) 133 #define DEV_DETACH _IOW('D', 2, struct devreq) 134 #define DEV_ENABLE _IOW('D', 3, struct devreq) 135 #define DEV_DISABLE _IOW('D', 4, struct devreq) 136 #define DEV_SUSPEND _IOW('D', 5, struct devreq) 137 #define DEV_RESUME _IOW('D', 6, struct devreq) 138 #define DEV_SET_DRIVER _IOW('D', 7, struct devreq) 139 #define DEV_CLEAR_DRIVER _IOW('D', 8, struct devreq) 140 #define DEV_RESCAN _IOW('D', 9, struct devreq) 141 #define DEV_DELETE _IOW('D', 10, struct devreq) 142 #define DEV_FREEZE _IOW('D', 11, struct devreq) 143 #define DEV_THAW _IOW('D', 12, struct devreq) 144 #define DEV_RESET _IOW('D', 13, struct devreq) 145 #define DEV_GET_PATH _IOWR('D', 14, struct devreq) 146 147 /* Flags for DEV_DETACH and DEV_DISABLE. */ 148 #define DEVF_FORCE_DETACH 0x0000001 149 150 /* Flags for DEV_SET_DRIVER. */ 151 #define DEVF_SET_DRIVER_DETACH 0x0000001 /* Detach existing driver. */ 152 153 /* Flags for DEV_CLEAR_DRIVER. */ 154 #define DEVF_CLEAR_DRIVER_DETACH 0x0000001 /* Detach existing driver. */ 155 156 /* Flags for DEV_DELETE. */ 157 #define DEVF_FORCE_DELETE 0x0000001 158 159 /* Flags for DEV_RESET */ 160 #define DEVF_RESET_DETACH 0x0000001 /* Detach drivers vs suspend 161 device */ 162 163 #ifdef _KERNEL 164 165 #include <sys/_eventhandler.h> 166 #include <sys/kobj.h> 167 #include <sys/systm.h> 168 #include <sys/devctl.h> 169 170 /** 171 * Device name parsers. Hook to allow device enumerators to map 172 * scheme-specific names to a device. 173 */ 174 typedef void (*dev_lookup_fn)(void *arg, const char *name, 175 device_t *result); 176 EVENTHANDLER_DECLARE(dev_lookup, dev_lookup_fn); 177 178 /** 179 * @brief A device driver. 180 * 181 * Provides an abstraction layer for driver dispatch. 182 */ 183 typedef struct kobj_class driver_t; 184 185 /** 186 * @brief A device class 187 * 188 * The devclass object has two main functions in the system. The first 189 * is to manage the allocation of unit numbers for device instances 190 * and the second is to hold the list of device drivers for a 191 * particular bus type. Each devclass has a name and there cannot be 192 * two devclasses with the same name. This ensures that unique unit 193 * numbers are allocated to device instances. 194 * 195 * Drivers that support several different bus attachments (e.g. isa, 196 * pci, pccard) should all use the same devclass to ensure that unit 197 * numbers do not conflict. 198 * 199 * Each devclass may also have a parent devclass. This is used when 200 * searching for device drivers to allow a form of inheritance. When 201 * matching drivers with devices, first the driver list of the parent 202 * device's devclass is searched. If no driver is found in that list, 203 * the search continues in the parent devclass (if any). 204 */ 205 typedef struct devclass *devclass_t; 206 207 /** 208 * @brief A device method 209 */ 210 #define device_method_t kobj_method_t 211 212 /** 213 * @brief Driver interrupt filter return values 214 * 215 * If a driver provides an interrupt filter routine it must return an 216 * integer consisting of oring together zero or more of the following 217 * flags: 218 * 219 * FILTER_STRAY - this device did not trigger the interrupt 220 * FILTER_HANDLED - the interrupt has been fully handled and can be EOId 221 * FILTER_SCHEDULE_THREAD - the threaded interrupt handler should be 222 * scheduled to execute 223 * 224 * If the driver does not provide a filter, then the interrupt code will 225 * act is if the filter had returned FILTER_SCHEDULE_THREAD. Note that it 226 * is illegal to specify any other flag with FILTER_STRAY and that it is 227 * illegal to not specify either of FILTER_HANDLED or FILTER_SCHEDULE_THREAD 228 * if FILTER_STRAY is not specified. 229 */ 230 #define FILTER_STRAY 0x01 231 #define FILTER_HANDLED 0x02 232 #define FILTER_SCHEDULE_THREAD 0x04 233 234 /** 235 * @brief Driver interrupt service routines 236 * 237 * The filter routine is run in primary interrupt context and may not 238 * block or use regular mutexes. It may only use spin mutexes for 239 * synchronization. The filter may either completely handle the 240 * interrupt or it may perform some of the work and defer more 241 * expensive work to the regular interrupt handler. If a filter 242 * routine is not registered by the driver, then the regular interrupt 243 * handler is always used to handle interrupts from this device. 244 * 245 * The regular interrupt handler executes in its own thread context 246 * and may use regular mutexes. However, it is prohibited from 247 * sleeping on a sleep queue. 248 */ 249 typedef int driver_filter_t(void*); 250 typedef void driver_intr_t(void*); 251 252 /** 253 * @brief Interrupt type bits. 254 * 255 * These flags may be passed by drivers to bus_setup_intr(9) when 256 * registering a new interrupt handler. The field is overloaded to 257 * specify both the interrupt's type and any special properties. 258 * 259 * The INTR_TYPE* bits will be passed to intr_priority(9) to determine 260 * the scheduling priority of the handler's ithread. Historically, each 261 * type was assigned a unique scheduling preference, but now only 262 * INTR_TYPE_CLK receives a default priority higher than other 263 * interrupts. See sys/priority.h. 264 * 265 * Buses may choose to modify or augment these flags as appropriate, 266 * e.g. nexus may apply INTR_EXCL. 267 */ 268 enum intr_type { 269 INTR_TYPE_TTY = 1, 270 INTR_TYPE_BIO = 2, 271 INTR_TYPE_NET = 4, 272 INTR_TYPE_CAM = 8, 273 INTR_TYPE_MISC = 16, 274 INTR_TYPE_CLK = 32, 275 INTR_TYPE_AV = 64, 276 INTR_EXCL = 256, /* exclusive interrupt */ 277 INTR_MPSAFE = 512, /* this interrupt is SMP safe */ 278 INTR_ENTROPY = 1024, /* this interrupt provides entropy */ 279 INTR_MD1 = 4096, /* flag reserved for MD use */ 280 INTR_MD2 = 8192, /* flag reserved for MD use */ 281 INTR_MD3 = 16384, /* flag reserved for MD use */ 282 INTR_MD4 = 32768 /* flag reserved for MD use */ 283 }; 284 285 enum intr_trigger { 286 INTR_TRIGGER_INVALID = -1, 287 INTR_TRIGGER_CONFORM = 0, 288 INTR_TRIGGER_EDGE = 1, 289 INTR_TRIGGER_LEVEL = 2 290 }; 291 292 enum intr_polarity { 293 INTR_POLARITY_CONFORM = 0, 294 INTR_POLARITY_HIGH = 1, 295 INTR_POLARITY_LOW = 2 296 }; 297 298 /** 299 * CPU sets supported by bus_get_cpus(). Note that not all sets may be 300 * supported for a given device. If a request is not supported by a 301 * device (or its parents), then bus_get_cpus() will fail with EINVAL. 302 */ 303 enum cpu_sets { 304 LOCAL_CPUS = 0, 305 INTR_CPUS 306 }; 307 308 typedef int (*devop_t)(void); 309 310 /** 311 * @brief This structure is deprecated. 312 * 313 * Use the kobj(9) macro DEFINE_CLASS to 314 * declare classes which implement device drivers. 315 */ 316 struct driver { 317 KOBJ_CLASS_FIELDS; 318 }; 319 320 struct resource; 321 322 /** 323 * @brief A resource mapping. 324 */ 325 struct resource_map { 326 bus_space_tag_t r_bustag; 327 bus_space_handle_t r_bushandle; 328 bus_size_t r_size; 329 void *r_vaddr; 330 }; 331 332 /** 333 * @brief Optional properties of a resource mapping request. 334 */ 335 struct resource_map_request { 336 size_t size; 337 rman_res_t offset; 338 rman_res_t length; 339 vm_memattr_t memattr; 340 }; 341 342 void resource_init_map_request_impl(struct resource_map_request *_args, 343 size_t _sz); 344 #define resource_init_map_request(rmr) \ 345 resource_init_map_request_impl((rmr), sizeof(*(rmr))) 346 int resource_validate_map_request(struct resource *r, 347 struct resource_map_request *in, struct resource_map_request *out, 348 rman_res_t *startp, rman_res_t *lengthp); 349 350 /* 351 * Definitions for drivers which need to keep simple lists of resources 352 * for their child devices. 353 */ 354 355 /** 356 * @brief An entry for a single resource in a resource list. 357 */ 358 struct resource_list_entry { 359 STAILQ_ENTRY(resource_list_entry) link; 360 int type; /**< @brief type argument to alloc_resource */ 361 int rid; /**< @brief resource identifier */ 362 int flags; /**< @brief resource flags */ 363 struct resource *res; /**< @brief the real resource when allocated */ 364 rman_res_t start; /**< @brief start of resource range */ 365 rman_res_t end; /**< @brief end of resource range */ 366 rman_res_t count; /**< @brief count within range */ 367 }; 368 STAILQ_HEAD(resource_list, resource_list_entry); 369 370 #define RLE_RESERVED 0x0001 /* Reserved by the parent bus. */ 371 #define RLE_ALLOCATED 0x0002 /* Reserved resource is allocated. */ 372 #define RLE_PREFETCH 0x0004 /* Resource is a prefetch range. */ 373 374 void resource_list_init(struct resource_list *rl); 375 void resource_list_free(struct resource_list *rl); 376 struct resource_list_entry * 377 resource_list_add(struct resource_list *rl, 378 int type, int rid, 379 rman_res_t start, rman_res_t end, rman_res_t count); 380 int resource_list_add_next(struct resource_list *rl, 381 int type, 382 rman_res_t start, rman_res_t end, rman_res_t count); 383 int resource_list_busy(struct resource_list *rl, 384 int type, int rid); 385 int resource_list_reserved(struct resource_list *rl, int type, int rid); 386 struct resource_list_entry* 387 resource_list_find(struct resource_list *rl, 388 int type, int rid); 389 void resource_list_delete(struct resource_list *rl, 390 int type, int rid); 391 struct resource * 392 resource_list_alloc(struct resource_list *rl, 393 device_t bus, device_t child, 394 int type, int *rid, 395 rman_res_t start, rman_res_t end, 396 rman_res_t count, u_int flags); 397 int resource_list_release(struct resource_list *rl, 398 device_t bus, device_t child, 399 int type, int rid, struct resource *res); 400 int resource_list_release_active(struct resource_list *rl, 401 device_t bus, device_t child, 402 int type); 403 struct resource * 404 resource_list_reserve(struct resource_list *rl, 405 device_t bus, device_t child, 406 int type, int *rid, 407 rman_res_t start, rman_res_t end, 408 rman_res_t count, u_int flags); 409 int resource_list_unreserve(struct resource_list *rl, 410 device_t bus, device_t child, 411 int type, int rid); 412 void resource_list_purge(struct resource_list *rl); 413 int resource_list_print_type(struct resource_list *rl, 414 const char *name, int type, 415 const char *format); 416 417 /* 418 * The root bus, to which all top-level buses are attached. 419 */ 420 extern device_t root_bus; 421 extern devclass_t root_devclass; 422 void root_bus_configure(void); 423 424 /* 425 * Useful functions for implementing buses. 426 */ 427 428 struct _cpuset; 429 430 int bus_generic_activate_resource(device_t dev, device_t child, int type, 431 int rid, struct resource *r); 432 device_t 433 bus_generic_add_child(device_t dev, u_int order, const char *name, 434 int unit); 435 int bus_generic_adjust_resource(device_t bus, device_t child, int type, 436 struct resource *r, rman_res_t start, 437 rman_res_t end); 438 struct resource * 439 bus_generic_alloc_resource(device_t bus, device_t child, int type, 440 int *rid, rman_res_t start, rman_res_t end, 441 rman_res_t count, u_int flags); 442 int bus_generic_translate_resource(device_t dev, int type, rman_res_t start, 443 rman_res_t *newstart); 444 int bus_generic_attach(device_t dev); 445 int bus_generic_bind_intr(device_t dev, device_t child, 446 struct resource *irq, int cpu); 447 int bus_generic_child_location(device_t dev, device_t child, struct sbuf *sb); 448 int bus_generic_child_pnpinfo(device_t dev, device_t child, struct sbuf *sb); 449 int bus_generic_child_present(device_t dev, device_t child); 450 int bus_generic_config_intr(device_t, int, enum intr_trigger, 451 enum intr_polarity); 452 int bus_generic_describe_intr(device_t dev, device_t child, 453 struct resource *irq, void *cookie, 454 const char *descr); 455 int bus_generic_deactivate_resource(device_t dev, device_t child, int type, 456 int rid, struct resource *r); 457 int bus_generic_detach(device_t dev); 458 void bus_generic_driver_added(device_t dev, driver_t *driver); 459 int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op, 460 size_t setsize, struct _cpuset *cpuset); 461 bus_dma_tag_t 462 bus_generic_get_dma_tag(device_t dev, device_t child); 463 bus_space_tag_t 464 bus_generic_get_bus_tag(device_t dev, device_t child); 465 int bus_generic_get_domain(device_t dev, device_t child, int *domain); 466 ssize_t bus_generic_get_property(device_t dev, device_t child, 467 const char *propname, void *propvalue, 468 size_t size, device_property_type_t type); 469 struct resource_list * 470 bus_generic_get_resource_list(device_t, device_t); 471 int bus_generic_map_resource(device_t dev, device_t child, int type, 472 struct resource *r, 473 struct resource_map_request *args, 474 struct resource_map *map); 475 void bus_generic_new_pass(device_t dev); 476 int bus_print_child_header(device_t dev, device_t child); 477 int bus_print_child_domain(device_t dev, device_t child); 478 int bus_print_child_footer(device_t dev, device_t child); 479 int bus_generic_print_child(device_t dev, device_t child); 480 int bus_generic_probe(device_t dev); 481 int bus_generic_read_ivar(device_t dev, device_t child, int which, 482 uintptr_t *result); 483 int bus_generic_release_resource(device_t bus, device_t child, 484 int type, int rid, struct resource *r); 485 int bus_generic_resume(device_t dev); 486 int bus_generic_resume_child(device_t dev, device_t child); 487 int bus_generic_setup_intr(device_t dev, device_t child, 488 struct resource *irq, int flags, 489 driver_filter_t *filter, driver_intr_t *intr, 490 void *arg, void **cookiep); 491 492 struct resource * 493 bus_generic_rl_alloc_resource (device_t, device_t, int, int *, 494 rman_res_t, rman_res_t, rman_res_t, u_int); 495 void bus_generic_rl_delete_resource (device_t, device_t, int, int); 496 int bus_generic_rl_get_resource (device_t, device_t, int, int, rman_res_t *, 497 rman_res_t *); 498 int bus_generic_rl_set_resource (device_t, device_t, int, int, rman_res_t, 499 rman_res_t); 500 int bus_generic_rl_release_resource (device_t, device_t, int, int, 501 struct resource *); 502 struct resource * 503 bus_generic_rman_alloc_resource(device_t dev, device_t child, int type, 504 int *rid, rman_res_t start, 505 rman_res_t end, rman_res_t count, 506 u_int flags); 507 int bus_generic_rman_adjust_resource(device_t dev, device_t child, int type, 508 struct resource *r, rman_res_t start, 509 rman_res_t end); 510 int bus_generic_rman_release_resource(device_t dev, device_t child, 511 int type, int rid, 512 struct resource *r); 513 int bus_generic_rman_activate_resource(device_t dev, device_t child, 514 int type, int rid, 515 struct resource *r); 516 int bus_generic_rman_deactivate_resource(device_t dev, device_t child, 517 int type, int rid, 518 struct resource *r); 519 520 int bus_generic_shutdown(device_t dev); 521 int bus_generic_suspend(device_t dev); 522 int bus_generic_suspend_child(device_t dev, device_t child); 523 int bus_generic_teardown_intr(device_t dev, device_t child, 524 struct resource *irq, void *cookie); 525 int bus_generic_suspend_intr(device_t dev, device_t child, 526 struct resource *irq); 527 int bus_generic_resume_intr(device_t dev, device_t child, 528 struct resource *irq); 529 int bus_generic_unmap_resource(device_t dev, device_t child, int type, 530 struct resource *r, 531 struct resource_map *map); 532 int bus_generic_write_ivar(device_t dev, device_t child, int which, 533 uintptr_t value); 534 int bus_generic_get_device_path(device_t bus, device_t child, const char *locator, 535 struct sbuf *sb); 536 int bus_helper_reset_post(device_t dev, int flags); 537 int bus_helper_reset_prepare(device_t dev, int flags); 538 int bus_null_rescan(device_t dev); 539 540 /* 541 * Wrapper functions for the BUS_*_RESOURCE methods to make client code 542 * a little simpler. 543 */ 544 545 struct resource_spec { 546 int type; 547 int rid; 548 int flags; 549 }; 550 #define RESOURCE_SPEC_END {-1, 0, 0} 551 552 int bus_alloc_resources(device_t dev, struct resource_spec *rs, 553 struct resource **res); 554 void bus_release_resources(device_t dev, const struct resource_spec *rs, 555 struct resource **res); 556 557 int bus_adjust_resource(device_t child, int type, struct resource *r, 558 rman_res_t start, rman_res_t end); 559 int bus_translate_resource(device_t child, int type, rman_res_t start, 560 rman_res_t *newstart); 561 struct resource *bus_alloc_resource(device_t dev, int type, int *rid, 562 rman_res_t start, rman_res_t end, 563 rman_res_t count, u_int flags); 564 int bus_activate_resource(device_t dev, int type, int rid, 565 struct resource *r); 566 int bus_deactivate_resource(device_t dev, int type, int rid, 567 struct resource *r); 568 int bus_map_resource(device_t dev, int type, struct resource *r, 569 struct resource_map_request *args, 570 struct resource_map *map); 571 int bus_unmap_resource(device_t dev, int type, struct resource *r, 572 struct resource_map *map); 573 int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize, 574 struct _cpuset *cpuset); 575 bus_dma_tag_t bus_get_dma_tag(device_t dev); 576 bus_space_tag_t bus_get_bus_tag(device_t dev); 577 int bus_get_domain(device_t dev, int *domain); 578 int bus_release_resource(device_t dev, int type, int rid, 579 struct resource *r); 580 int bus_free_resource(device_t dev, int type, struct resource *r); 581 int bus_setup_intr(device_t dev, struct resource *r, int flags, 582 driver_filter_t filter, driver_intr_t handler, 583 void *arg, void **cookiep); 584 int bus_teardown_intr(device_t dev, struct resource *r, void *cookie); 585 int bus_suspend_intr(device_t dev, struct resource *r); 586 int bus_resume_intr(device_t dev, struct resource *r); 587 int bus_bind_intr(device_t dev, struct resource *r, int cpu); 588 int bus_describe_intr(device_t dev, struct resource *irq, void *cookie, 589 const char *fmt, ...) __printflike(4, 5); 590 int bus_set_resource(device_t dev, int type, int rid, 591 rman_res_t start, rman_res_t count); 592 int bus_get_resource(device_t dev, int type, int rid, 593 rman_res_t *startp, rman_res_t *countp); 594 rman_res_t bus_get_resource_start(device_t dev, int type, int rid); 595 rman_res_t bus_get_resource_count(device_t dev, int type, int rid); 596 void bus_delete_resource(device_t dev, int type, int rid); 597 int bus_child_present(device_t child); 598 int bus_child_pnpinfo(device_t child, struct sbuf *sb); 599 int bus_child_location(device_t child, struct sbuf *sb); 600 void bus_enumerate_hinted_children(device_t bus); 601 int bus_delayed_attach_children(device_t bus); 602 603 static __inline struct resource * 604 bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags) 605 { 606 return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags)); 607 } 608 609 static __inline struct resource * 610 bus_alloc_resource_anywhere(device_t dev, int type, int *rid, 611 rman_res_t count, u_int flags) 612 { 613 return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags)); 614 } 615 616 /* 617 * Access functions for device. 618 */ 619 device_t device_add_child(device_t dev, const char *name, int unit); 620 device_t device_add_child_ordered(device_t dev, u_int order, 621 const char *name, int unit); 622 void device_busy(device_t dev); 623 int device_delete_child(device_t dev, device_t child); 624 int device_delete_children(device_t dev); 625 int device_attach(device_t dev); 626 int device_detach(device_t dev); 627 void device_disable(device_t dev); 628 void device_enable(device_t dev); 629 device_t device_find_child(device_t dev, const char *classname, 630 int unit); 631 const char *device_get_desc(device_t dev); 632 devclass_t device_get_devclass(device_t dev); 633 driver_t *device_get_driver(device_t dev); 634 u_int32_t device_get_flags(device_t dev); 635 device_t device_get_parent(device_t dev); 636 int device_get_children(device_t dev, device_t **listp, int *countp); 637 void *device_get_ivars(device_t dev); 638 void device_set_ivars(device_t dev, void *ivars); 639 const char *device_get_name(device_t dev); 640 const char *device_get_nameunit(device_t dev); 641 void *device_get_softc(device_t dev); 642 device_state_t device_get_state(device_t dev); 643 int device_get_unit(device_t dev); 644 struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev); 645 struct sysctl_oid *device_get_sysctl_tree(device_t dev); 646 int device_has_quiet_children(device_t dev); 647 int device_is_alive(device_t dev); /* did probe succeed? */ 648 int device_is_attached(device_t dev); /* did attach succeed? */ 649 int device_is_enabled(device_t dev); 650 int device_is_suspended(device_t dev); 651 int device_is_quiet(device_t dev); 652 device_t device_lookup_by_name(const char *name); 653 int device_print_prettyname(device_t dev); 654 int device_printf(device_t dev, const char *, ...) __printflike(2, 3); 655 int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4); 656 int device_probe(device_t dev); 657 int device_probe_and_attach(device_t dev); 658 int device_probe_child(device_t bus, device_t dev); 659 int device_quiesce(device_t dev); 660 void device_quiet(device_t dev); 661 void device_quiet_children(device_t dev); 662 void device_set_desc(device_t dev, const char* desc); 663 void device_set_desc_copy(device_t dev, const char* desc); 664 int device_set_devclass(device_t dev, const char *classname); 665 int device_set_devclass_fixed(device_t dev, const char *classname); 666 bool device_is_devclass_fixed(device_t dev); 667 int device_set_driver(device_t dev, driver_t *driver); 668 void device_set_flags(device_t dev, u_int32_t flags); 669 void device_set_softc(device_t dev, void *softc); 670 void device_free_softc(void *softc); 671 void device_claim_softc(device_t dev); 672 int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */ 673 int device_shutdown(device_t dev); 674 void device_unbusy(device_t dev); 675 void device_verbose(device_t dev); 676 ssize_t device_get_property(device_t dev, const char *prop, void *val, 677 size_t sz, device_property_type_t type); 678 bool device_has_property(device_t dev, const char *prop); 679 680 /* 681 * Access functions for devclass. 682 */ 683 int devclass_add_driver(devclass_t dc, driver_t *driver, 684 int pass, devclass_t *dcp); 685 devclass_t devclass_create(const char *classname); 686 int devclass_delete_driver(devclass_t busclass, driver_t *driver); 687 devclass_t devclass_find(const char *classname); 688 const char *devclass_get_name(devclass_t dc); 689 device_t devclass_get_device(devclass_t dc, int unit); 690 void *devclass_get_softc(devclass_t dc, int unit); 691 int devclass_get_devices(devclass_t dc, device_t **listp, int *countp); 692 int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp); 693 int devclass_get_count(devclass_t dc); 694 int devclass_get_maxunit(devclass_t dc); 695 int devclass_find_free_unit(devclass_t dc, int unit); 696 void devclass_set_parent(devclass_t dc, devclass_t pdc); 697 devclass_t devclass_get_parent(devclass_t dc); 698 struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc); 699 struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc); 700 701 /* 702 * Access functions for device resources. 703 */ 704 int resource_int_value(const char *name, int unit, const char *resname, 705 int *result); 706 int resource_long_value(const char *name, int unit, const char *resname, 707 long *result); 708 int resource_string_value(const char *name, int unit, const char *resname, 709 const char **result); 710 int resource_disabled(const char *name, int unit); 711 int resource_find_match(int *anchor, const char **name, int *unit, 712 const char *resname, const char *value); 713 int resource_find_dev(int *anchor, const char *name, int *unit, 714 const char *resname, const char *value); 715 int resource_unset_value(const char *name, int unit, const char *resname); 716 717 /* 718 * Functions for maintaining and checking consistency of 719 * bus information exported to userspace. 720 */ 721 int bus_data_generation_check(int generation); 722 void bus_data_generation_update(void); 723 724 /** 725 * Some convenience defines for probe routines to return. These are just 726 * suggested values, and there's nothing magical about them. 727 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no 728 * possible other driver may exist (typically legacy drivers who don't follow 729 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the 730 * suggested value that vendor supplied drivers use. This is for source or 731 * binary drivers that are not yet integrated into the FreeBSD tree. Its use 732 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value 733 * for drivers to use. It is intended that nearly all of the drivers in the 734 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that 735 * have special requirements like when there are two drivers that support 736 * overlapping series of hardware devices. In this case the one that supports 737 * the older part of the line would return this value, while the one that 738 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC 739 * is for drivers that wish to have a generic form and a specialized form, 740 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is 741 * for those buses that implement a generic device placeholder for devices on 742 * the bus that have no more specific driver for them (aka ugen). 743 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding 744 * for a device node, but accepts only devices that its parent has told it 745 * use this driver. 746 */ 747 #define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */ 748 #define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */ 749 #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */ 750 #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */ 751 #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */ 752 #define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */ 753 #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */ 754 755 /** 756 * During boot, the device tree is scanned multiple times. Each scan, 757 * or pass, drivers may be attached to devices. Each driver 758 * attachment is assigned a pass number. Drivers may only probe and 759 * attach to devices if their pass number is less than or equal to the 760 * current system-wide pass number. The default pass is the last pass 761 * and is used by most drivers. Drivers needed by the scheduler are 762 * probed in earlier passes. 763 */ 764 #define BUS_PASS_ROOT 0 /* Used to attach root0. */ 765 #define BUS_PASS_BUS 10 /* Buses and bridges. */ 766 #define BUS_PASS_CPU 20 /* CPU devices. */ 767 #define BUS_PASS_RESOURCE 30 /* Resource discovery. */ 768 #define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */ 769 #define BUS_PASS_TIMER 50 /* Timers and clocks. */ 770 #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */ 771 #define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */ 772 #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */ 773 774 #define BUS_PASS_ORDER_FIRST 0 775 #define BUS_PASS_ORDER_EARLY 2 776 #define BUS_PASS_ORDER_MIDDLE 5 777 #define BUS_PASS_ORDER_LATE 7 778 #define BUS_PASS_ORDER_LAST 9 779 780 #define BUS_LOCATOR_ACPI "ACPI" 781 #define BUS_LOCATOR_FREEBSD "FreeBSD" 782 #define BUS_LOCATOR_UEFI "UEFI" 783 #define BUS_LOCATOR_OFW "OFW" 784 785 extern int bus_current_pass; 786 787 void bus_set_pass(int pass); 788 789 /** 790 * Routines to lock / unlock the newbus lock. 791 * Must be taken out to interact with newbus. 792 */ 793 void bus_topo_lock(void); 794 void bus_topo_unlock(void); 795 struct mtx * bus_topo_mtx(void); 796 void bus_topo_assert(void); 797 798 /** 799 * Shorthands for constructing method tables. 800 */ 801 #define DEVMETHOD KOBJMETHOD 802 #define DEVMETHOD_END KOBJMETHOD_END 803 804 /* 805 * Some common device interfaces. 806 */ 807 #include "device_if.h" 808 #include "bus_if.h" 809 810 struct module; 811 812 int driver_module_handler(struct module *, int, void *); 813 814 /** 815 * Module support for automatically adding drivers to buses. 816 */ 817 struct driver_module_data { 818 int (*dmd_chainevh)(struct module *, int, void *); 819 void *dmd_chainarg; 820 const char *dmd_busname; 821 kobj_class_t dmd_driver; 822 devclass_t *dmd_devclass; 823 int dmd_pass; 824 }; 825 826 #define EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 827 order, pass) \ 828 \ 829 static struct driver_module_data name##_##busname##_driver_mod = { \ 830 evh, arg, \ 831 #busname, \ 832 (kobj_class_t) &driver, \ 833 NULL, \ 834 pass \ 835 }; \ 836 \ 837 static moduledata_t name##_##busname##_mod = { \ 838 #busname "/" #name, \ 839 driver_module_handler, \ 840 &name##_##busname##_driver_mod \ 841 }; \ 842 DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \ 843 SI_SUB_DRIVERS, order) 844 845 #define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \ 846 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 847 SI_ORDER_MIDDLE, pass) 848 849 #define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \ 850 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 851 order, BUS_PASS_DEFAULT) 852 853 #define DRIVER_MODULE(name, busname, driver, evh, arg) \ 854 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \ 855 BUS_PASS_DEFAULT) 856 857 /** 858 * Generic ivar accessor generation macros for bus drivers 859 */ 860 #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 861 \ 862 static __inline type varp ## _get_ ## var(device_t dev) \ 863 { \ 864 uintptr_t v; \ 865 int e __diagused; \ 866 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 867 ivarp ## _IVAR_ ## ivar, &v); \ 868 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 869 __func__, device_get_nameunit(dev), \ 870 device_get_nameunit(device_get_parent(dev)), e)); \ 871 return ((type) v); \ 872 } \ 873 \ 874 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 875 { \ 876 uintptr_t v = (uintptr_t) t; \ 877 int e __diagused; \ 878 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 879 ivarp ## _IVAR_ ## ivar, v); \ 880 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 881 __func__, device_get_nameunit(dev), \ 882 device_get_nameunit(device_get_parent(dev)), e)); \ 883 } 884 885 struct device_location_cache; 886 typedef struct device_location_cache device_location_cache_t; 887 device_location_cache_t *dev_wired_cache_init(void); 888 void dev_wired_cache_fini(device_location_cache_t *dcp); 889 bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at); 890 891 892 /** 893 * Shorthand macros, taking resource argument 894 * Generated with sys/tools/bus_macro.sh 895 */ 896 897 #define bus_barrier(r, o, l, f) \ 898 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f)) 899 #define bus_poke_1(r, o, v) \ 900 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 901 #define bus_peek_1(r, o, vp) \ 902 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 903 #define bus_read_1(r, o) \ 904 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o)) 905 #define bus_read_multi_1(r, o, d, c) \ 906 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 907 #define bus_read_region_1(r, o, d, c) \ 908 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 909 #define bus_set_multi_1(r, o, v, c) \ 910 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 911 #define bus_set_region_1(r, o, v, c) \ 912 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 913 #define bus_write_1(r, o, v) \ 914 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 915 #define bus_write_multi_1(r, o, d, c) \ 916 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 917 #define bus_write_region_1(r, o, d, c) \ 918 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 919 #define bus_read_stream_1(r, o) \ 920 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o)) 921 #define bus_read_multi_stream_1(r, o, d, c) \ 922 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 923 #define bus_read_region_stream_1(r, o, d, c) \ 924 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 925 #define bus_set_multi_stream_1(r, o, v, c) \ 926 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 927 #define bus_set_region_stream_1(r, o, v, c) \ 928 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 929 #define bus_write_stream_1(r, o, v) \ 930 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 931 #define bus_write_multi_stream_1(r, o, d, c) \ 932 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 933 #define bus_write_region_stream_1(r, o, d, c) \ 934 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 935 #define bus_poke_2(r, o, v) \ 936 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 937 #define bus_peek_2(r, o, vp) \ 938 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 939 #define bus_read_2(r, o) \ 940 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o)) 941 #define bus_read_multi_2(r, o, d, c) \ 942 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 943 #define bus_read_region_2(r, o, d, c) \ 944 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 945 #define bus_set_multi_2(r, o, v, c) \ 946 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 947 #define bus_set_region_2(r, o, v, c) \ 948 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 949 #define bus_write_2(r, o, v) \ 950 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 951 #define bus_write_multi_2(r, o, d, c) \ 952 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 953 #define bus_write_region_2(r, o, d, c) \ 954 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 955 #define bus_read_stream_2(r, o) \ 956 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o)) 957 #define bus_read_multi_stream_2(r, o, d, c) \ 958 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 959 #define bus_read_region_stream_2(r, o, d, c) \ 960 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 961 #define bus_set_multi_stream_2(r, o, v, c) \ 962 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 963 #define bus_set_region_stream_2(r, o, v, c) \ 964 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 965 #define bus_write_stream_2(r, o, v) \ 966 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 967 #define bus_write_multi_stream_2(r, o, d, c) \ 968 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 969 #define bus_write_region_stream_2(r, o, d, c) \ 970 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 971 #define bus_poke_4(r, o, v) \ 972 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 973 #define bus_peek_4(r, o, vp) \ 974 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 975 #define bus_read_4(r, o) \ 976 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o)) 977 #define bus_read_multi_4(r, o, d, c) \ 978 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 979 #define bus_read_region_4(r, o, d, c) \ 980 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 981 #define bus_set_multi_4(r, o, v, c) \ 982 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 983 #define bus_set_region_4(r, o, v, c) \ 984 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 985 #define bus_write_4(r, o, v) \ 986 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 987 #define bus_write_multi_4(r, o, d, c) \ 988 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 989 #define bus_write_region_4(r, o, d, c) \ 990 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 991 #define bus_read_stream_4(r, o) \ 992 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o)) 993 #define bus_read_multi_stream_4(r, o, d, c) \ 994 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 995 #define bus_read_region_stream_4(r, o, d, c) \ 996 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 997 #define bus_set_multi_stream_4(r, o, v, c) \ 998 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 999 #define bus_set_region_stream_4(r, o, v, c) \ 1000 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1001 #define bus_write_stream_4(r, o, v) \ 1002 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1003 #define bus_write_multi_stream_4(r, o, d, c) \ 1004 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1005 #define bus_write_region_stream_4(r, o, d, c) \ 1006 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1007 #define bus_poke_8(r, o, v) \ 1008 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1009 #define bus_peek_8(r, o, vp) \ 1010 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1011 #define bus_read_8(r, o) \ 1012 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o)) 1013 #define bus_read_multi_8(r, o, d, c) \ 1014 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1015 #define bus_read_region_8(r, o, d, c) \ 1016 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1017 #define bus_set_multi_8(r, o, v, c) \ 1018 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1019 #define bus_set_region_8(r, o, v, c) \ 1020 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1021 #define bus_write_8(r, o, v) \ 1022 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1023 #define bus_write_multi_8(r, o, d, c) \ 1024 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1025 #define bus_write_region_8(r, o, d, c) \ 1026 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1027 #define bus_read_stream_8(r, o) \ 1028 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o)) 1029 #define bus_read_multi_stream_8(r, o, d, c) \ 1030 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1031 #define bus_read_region_stream_8(r, o, d, c) \ 1032 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1033 #define bus_set_multi_stream_8(r, o, v, c) \ 1034 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1035 #define bus_set_region_stream_8(r, o, v, c) \ 1036 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1037 #define bus_write_stream_8(r, o, v) \ 1038 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1039 #define bus_write_multi_stream_8(r, o, d, c) \ 1040 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1041 #define bus_write_region_stream_8(r, o, d, c) \ 1042 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1043 #endif /* _KERNEL */ 1044 1045 #endif /* !_SYS_BUS_H_ */ 1046