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 */ 45struct 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 */ 54typedef 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 */ 68typedef 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) 82struct 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 */ 116struct devreq_buffer { 117 void *buffer; 118 size_t length; 119}; 120 121struct 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 */ 174typedef void (*dev_lookup_fn)(void *arg, const char *name, 175 device_t *result); 176EVENTHANDLER_DECLARE(dev_lookup, dev_lookup_fn); 177 178/** 179 * @brief A device driver. 180 * 181 * Provides an abstraction layer for driver dispatch. 182 */ 183typedef 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 */ 205typedef 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 */ 249typedef int driver_filter_t(void*); 250typedef 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 */ 268enum 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 285enum intr_trigger { 286 INTR_TRIGGER_INVALID = -1, 287 INTR_TRIGGER_CONFORM = 0, 288 INTR_TRIGGER_EDGE = 1, 289 INTR_TRIGGER_LEVEL = 2 290}; 291 292enum 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 */ 303enum cpu_sets { 304 LOCAL_CPUS = 0, 305 INTR_CPUS 306}; 307 308typedef 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 */ 316struct driver { 317 KOBJ_CLASS_FIELDS; 318}; 319 320struct resource; 321 322/** 323 * @brief A resource mapping. 324 */ 325struct 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 */ 335struct resource_map_request { 336 size_t size; 337 rman_res_t offset; 338 rman_res_t length; 339 vm_memattr_t memattr; 340}; 341 342void 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))) 346int 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 */ 358struct 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}; 368STAILQ_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 374void resource_list_init(struct resource_list *rl); 375void resource_list_free(struct resource_list *rl); 376struct 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); 380int resource_list_add_next(struct resource_list *rl, 381 int type, 382 rman_res_t start, rman_res_t end, rman_res_t count); 383int resource_list_busy(struct resource_list *rl, 384 int type, int rid); 385int resource_list_reserved(struct resource_list *rl, int type, int rid); 386struct resource_list_entry* 387 resource_list_find(struct resource_list *rl, 388 int type, int rid); 389void resource_list_delete(struct resource_list *rl, 390 int type, int rid); 391struct 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); 397int resource_list_release(struct resource_list *rl, 398 device_t bus, device_t child, 399 struct resource *res); 400int resource_list_release_active(struct resource_list *rl, 401 device_t bus, device_t child, 402 int type); 403struct 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); 409int resource_list_unreserve(struct resource_list *rl, 410 device_t bus, device_t child, 411 int type, int rid); 412void resource_list_purge(struct resource_list *rl); 413int 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 */ 420extern device_t root_bus; 421extern devclass_t root_devclass; 422void root_bus_configure(void); 423 424/* 425 * Useful functions for implementing buses. 426 */ 427 428struct _cpuset; 429 430int bus_generic_activate_resource(device_t dev, device_t child, 431 struct resource *r); 432device_t 433 bus_generic_add_child(device_t dev, u_int order, const char *name, 434 int unit); 435int bus_generic_adjust_resource(device_t bus, device_t child, 436 struct resource *r, rman_res_t start, 437 rman_res_t end); 438struct 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); 442int bus_generic_translate_resource(device_t dev, int type, rman_res_t start, 443 rman_res_t *newstart); 444int bus_generic_attach(device_t dev); 445int bus_generic_bind_intr(device_t dev, device_t child, 446 struct resource *irq, int cpu); 447int bus_generic_child_location(device_t dev, device_t child, struct sbuf *sb); 448int bus_generic_child_pnpinfo(device_t dev, device_t child, struct sbuf *sb); 449int bus_generic_child_present(device_t dev, device_t child); 450int bus_generic_config_intr(device_t, int, enum intr_trigger, 451 enum intr_polarity); 452int bus_generic_describe_intr(device_t dev, device_t child, 453 struct resource *irq, void *cookie, 454 const char *descr); 455int bus_generic_deactivate_resource(device_t dev, device_t child, 456 struct resource *r); 457int bus_generic_detach(device_t dev); 458void bus_generic_driver_added(device_t dev, driver_t *driver); 459int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op, 460 size_t setsize, struct _cpuset *cpuset); 461bus_dma_tag_t 462 bus_generic_get_dma_tag(device_t dev, device_t child); 463bus_space_tag_t 464 bus_generic_get_bus_tag(device_t dev, device_t child); 465int bus_generic_get_domain(device_t dev, device_t child, int *domain); 466ssize_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); 469struct resource_list * 470 bus_generic_get_resource_list(device_t, device_t); 471int bus_generic_map_resource(device_t dev, device_t child, 472 struct resource *r, 473 struct resource_map_request *args, 474 struct resource_map *map); 475void bus_generic_new_pass(device_t dev); 476int bus_print_child_header(device_t dev, device_t child); 477int bus_print_child_domain(device_t dev, device_t child); 478int bus_print_child_footer(device_t dev, device_t child); 479int bus_generic_print_child(device_t dev, device_t child); 480int bus_generic_probe(device_t dev); 481int bus_generic_read_ivar(device_t dev, device_t child, int which, 482 uintptr_t *result); 483int bus_generic_release_resource(device_t bus, device_t child, 484 struct resource *r); 485int bus_generic_resume(device_t dev); 486int bus_generic_resume_child(device_t dev, device_t child); 487int 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 492struct 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); 495void bus_generic_rl_delete_resource (device_t, device_t, int, int); 496int bus_generic_rl_get_resource (device_t, device_t, int, int, rman_res_t *, 497 rman_res_t *); 498int bus_generic_rl_set_resource (device_t, device_t, int, int, rman_res_t, 499 rman_res_t); 500int bus_generic_rl_release_resource (device_t, device_t, struct resource *); 501struct resource * 502 bus_generic_rman_alloc_resource(device_t dev, device_t child, int type, 503 int *rid, rman_res_t start, 504 rman_res_t end, rman_res_t count, 505 u_int flags); 506int bus_generic_rman_adjust_resource(device_t dev, device_t child, 507 struct resource *r, rman_res_t start, 508 rman_res_t end); 509int bus_generic_rman_release_resource(device_t dev, device_t child, 510 struct resource *r); 511int bus_generic_rman_activate_resource(device_t dev, device_t child, 512 struct resource *r); 513int bus_generic_rman_deactivate_resource(device_t dev, device_t child, 514 struct resource *r); 515 516int bus_generic_shutdown(device_t dev); 517int bus_generic_suspend(device_t dev); 518int bus_generic_suspend_child(device_t dev, device_t child); 519int bus_generic_teardown_intr(device_t dev, device_t child, 520 struct resource *irq, void *cookie); 521int bus_generic_suspend_intr(device_t dev, device_t child, 522 struct resource *irq); 523int bus_generic_resume_intr(device_t dev, device_t child, 524 struct resource *irq); 525int bus_generic_unmap_resource(device_t dev, device_t child, 526 struct resource *r, 527 struct resource_map *map); 528int bus_generic_write_ivar(device_t dev, device_t child, int which, 529 uintptr_t value); 530int bus_generic_get_device_path(device_t bus, device_t child, const char *locator, 531 struct sbuf *sb); 532int bus_helper_reset_post(device_t dev, int flags); 533int bus_helper_reset_prepare(device_t dev, int flags); 534int bus_null_rescan(device_t dev); 535 536/* 537 * Wrapper functions for the BUS_*_RESOURCE methods to make client code 538 * a little simpler. 539 */ 540 541struct resource_spec { 542 int type; 543 int rid; 544 int flags; 545}; 546#define RESOURCE_SPEC_END {-1, 0, 0} 547 548int bus_alloc_resources(device_t dev, struct resource_spec *rs, 549 struct resource **res); 550void bus_release_resources(device_t dev, const struct resource_spec *rs, 551 struct resource **res); 552 553int bus_adjust_resource(device_t child, struct resource *r, 554 rman_res_t start, rman_res_t end); 555int bus_translate_resource(device_t child, int type, rman_res_t start, 556 rman_res_t *newstart); 557struct resource *bus_alloc_resource(device_t dev, int type, int *rid, 558 rman_res_t start, rman_res_t end, 559 rman_res_t count, u_int flags); 560int bus_activate_resource(device_t dev, struct resource *r); 561int bus_deactivate_resource(device_t dev, struct resource *r); 562int bus_map_resource(device_t dev, struct resource *r, 563 struct resource_map_request *args, 564 struct resource_map *map); 565int bus_unmap_resource(device_t dev, struct resource *r, 566 struct resource_map *map); 567int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize, 568 struct _cpuset *cpuset); 569bus_dma_tag_t bus_get_dma_tag(device_t dev); 570bus_space_tag_t bus_get_bus_tag(device_t dev); 571int bus_get_domain(device_t dev, int *domain); 572int bus_release_resource(device_t dev, struct resource *r); 573int bus_free_resource(device_t dev, int type, struct resource *r); 574int bus_setup_intr(device_t dev, struct resource *r, int flags, 575 driver_filter_t filter, driver_intr_t handler, 576 void *arg, void **cookiep); 577int bus_teardown_intr(device_t dev, struct resource *r, void *cookie); 578int bus_suspend_intr(device_t dev, struct resource *r); 579int bus_resume_intr(device_t dev, struct resource *r); 580int bus_bind_intr(device_t dev, struct resource *r, int cpu); 581int bus_describe_intr(device_t dev, struct resource *irq, void *cookie, 582 const char *fmt, ...) __printflike(4, 5); 583int bus_set_resource(device_t dev, int type, int rid, 584 rman_res_t start, rman_res_t count); 585int bus_get_resource(device_t dev, int type, int rid, 586 rman_res_t *startp, rman_res_t *countp); 587rman_res_t bus_get_resource_start(device_t dev, int type, int rid); 588rman_res_t bus_get_resource_count(device_t dev, int type, int rid); 589void bus_delete_resource(device_t dev, int type, int rid); 590int bus_child_present(device_t child); 591int bus_child_pnpinfo(device_t child, struct sbuf *sb); 592int bus_child_location(device_t child, struct sbuf *sb); 593void bus_enumerate_hinted_children(device_t bus); 594int bus_delayed_attach_children(device_t bus); 595 596static __inline struct resource * 597bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags) 598{ 599 return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags)); 600} 601 602static __inline struct resource * 603bus_alloc_resource_anywhere(device_t dev, int type, int *rid, 604 rman_res_t count, u_int flags) 605{ 606 return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags)); 607} 608 609/* Compat shims for simpler bus resource API. */ 610int bus_adjust_resource_old(device_t child, int type, struct resource *r, 611 rman_res_t start, rman_res_t end); 612int bus_activate_resource_old(device_t dev, int type, int rid, 613 struct resource *r); 614int bus_deactivate_resource_old(device_t dev, int type, int rid, 615 struct resource *r); 616int bus_map_resource_old(device_t dev, int type, struct resource *r, 617 struct resource_map_request *args, 618 struct resource_map *map); 619int bus_unmap_resource_old(device_t dev, int type, struct resource *r, 620 struct resource_map *map); 621int bus_release_resource_old(device_t dev, int type, int rid, 622 struct resource *r); 623 624#define _BUS_API_MACRO(_1, _2, _3, _4, _5, NAME, ...) NAME 625 626#define bus_adjust_resource(...) \ 627 _BUS_API_MACRO(__VA_ARGS__, bus_adjust_resource_old, \ 628 bus_adjust_resource)(__VA_ARGS__) 629 630#define bus_activate_resource(...) \ 631 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_activate_resource_old, \ 632 INVALID, bus_activate_resource)(__VA_ARGS__) 633 634#define bus_deactivate_resource(...) \ 635 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_deactivate_resource_old, \ 636 INVALID, bus_deactivate_resource)(__VA_ARGS__) 637 638#define bus_map_resource(...) \ 639 _BUS_API_MACRO(__VA_ARGS__, bus_map_resource_old, \ 640 bus_map_resource)(__VA_ARGS__) 641 642#define bus_unmap_resource(...) \ 643 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_unmap_resource_old, \ 644 bus_unmap_resource)(__VA_ARGS__) 645 646#define bus_release_resource(...) \ 647 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_release_resource_old, \ 648 INVALID, bus_release_resource)(__VA_ARGS__) 649 650/* 651 * Access functions for device. 652 */ 653device_t device_add_child(device_t dev, const char *name, int unit); 654device_t device_add_child_ordered(device_t dev, u_int order, 655 const char *name, int unit); 656void device_busy(device_t dev); 657int device_delete_child(device_t dev, device_t child); 658int device_delete_children(device_t dev); 659int device_attach(device_t dev); 660int device_detach(device_t dev); 661void device_disable(device_t dev); 662void device_enable(device_t dev); 663device_t device_find_child(device_t dev, const char *classname, 664 int unit); 665const char *device_get_desc(device_t dev); 666devclass_t device_get_devclass(device_t dev); 667driver_t *device_get_driver(device_t dev); 668u_int32_t device_get_flags(device_t dev); 669device_t device_get_parent(device_t dev); 670int device_get_children(device_t dev, device_t **listp, int *countp); 671void *device_get_ivars(device_t dev); 672void device_set_ivars(device_t dev, void *ivars); 673const char *device_get_name(device_t dev); 674const char *device_get_nameunit(device_t dev); 675void *device_get_softc(device_t dev); 676device_state_t device_get_state(device_t dev); 677int device_get_unit(device_t dev); 678struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev); 679struct sysctl_oid *device_get_sysctl_tree(device_t dev); 680int device_has_quiet_children(device_t dev); 681int device_is_alive(device_t dev); /* did probe succeed? */ 682int device_is_attached(device_t dev); /* did attach succeed? */ 683int device_is_enabled(device_t dev); 684int device_is_suspended(device_t dev); 685int device_is_quiet(device_t dev); 686device_t device_lookup_by_name(const char *name); 687int device_print_prettyname(device_t dev); 688int device_printf(device_t dev, const char *, ...) __printflike(2, 3); 689int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4); 690int device_probe(device_t dev); 691int device_probe_and_attach(device_t dev); 692int device_probe_child(device_t bus, device_t dev); 693int device_quiesce(device_t dev); 694void device_quiet(device_t dev); 695void device_quiet_children(device_t dev); 696void device_set_desc(device_t dev, const char* desc); 697void device_set_descf(device_t dev, const char* fmt, ...) __printflike(2, 3); 698void device_set_desc_copy(device_t dev, const char* desc); 699int device_set_devclass(device_t dev, const char *classname); 700int device_set_devclass_fixed(device_t dev, const char *classname); 701bool device_is_devclass_fixed(device_t dev); 702int device_set_driver(device_t dev, driver_t *driver); 703void device_set_flags(device_t dev, u_int32_t flags); 704void device_set_softc(device_t dev, void *softc); 705void device_free_softc(void *softc); 706void device_claim_softc(device_t dev); 707int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */ 708int device_shutdown(device_t dev); 709void device_unbusy(device_t dev); 710void device_verbose(device_t dev); 711ssize_t device_get_property(device_t dev, const char *prop, void *val, 712 size_t sz, device_property_type_t type); 713bool device_has_property(device_t dev, const char *prop); 714 715/* 716 * Access functions for devclass. 717 */ 718int devclass_add_driver(devclass_t dc, driver_t *driver, 719 int pass, devclass_t *dcp); 720devclass_t devclass_create(const char *classname); 721int devclass_delete_driver(devclass_t busclass, driver_t *driver); 722devclass_t devclass_find(const char *classname); 723const char *devclass_get_name(devclass_t dc); 724device_t devclass_get_device(devclass_t dc, int unit); 725void *devclass_get_softc(devclass_t dc, int unit); 726int devclass_get_devices(devclass_t dc, device_t **listp, int *countp); 727int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp); 728int devclass_get_count(devclass_t dc); 729int devclass_get_maxunit(devclass_t dc); 730int devclass_find_free_unit(devclass_t dc, int unit); 731void devclass_set_parent(devclass_t dc, devclass_t pdc); 732devclass_t devclass_get_parent(devclass_t dc); 733struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc); 734struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc); 735 736/* 737 * Access functions for device resources. 738 */ 739int resource_int_value(const char *name, int unit, const char *resname, 740 int *result); 741int resource_long_value(const char *name, int unit, const char *resname, 742 long *result); 743int resource_string_value(const char *name, int unit, const char *resname, 744 const char **result); 745int resource_disabled(const char *name, int unit); 746int resource_find_match(int *anchor, const char **name, int *unit, 747 const char *resname, const char *value); 748int resource_find_dev(int *anchor, const char *name, int *unit, 749 const char *resname, const char *value); 750int resource_unset_value(const char *name, int unit, const char *resname); 751 752/* 753 * Functions for maintaining and checking consistency of 754 * bus information exported to userspace. 755 */ 756int bus_data_generation_check(int generation); 757void bus_data_generation_update(void); 758 759/** 760 * Some convenience defines for probe routines to return. These are just 761 * suggested values, and there's nothing magical about them. 762 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no 763 * possible other driver may exist (typically legacy drivers who don't follow 764 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the 765 * suggested value that vendor supplied drivers use. This is for source or 766 * binary drivers that are not yet integrated into the FreeBSD tree. Its use 767 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value 768 * for drivers to use. It is intended that nearly all of the drivers in the 769 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that 770 * have special requirements like when there are two drivers that support 771 * overlapping series of hardware devices. In this case the one that supports 772 * the older part of the line would return this value, while the one that 773 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC 774 * is for drivers that wish to have a generic form and a specialized form, 775 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is 776 * for those buses that implement a generic device placeholder for devices on 777 * the bus that have no more specific driver for them (aka ugen). 778 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding 779 * for a device node, but accepts only devices that its parent has told it 780 * use this driver. 781 */ 782#define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */ 783#define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */ 784#define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */ 785#define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */ 786#define BUS_PROBE_GENERIC (-100) /* generic driver for dev */ 787#define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */ 788#define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */ 789 790/** 791 * During boot, the device tree is scanned multiple times. Each scan, 792 * or pass, drivers may be attached to devices. Each driver 793 * attachment is assigned a pass number. Drivers may only probe and 794 * attach to devices if their pass number is less than or equal to the 795 * current system-wide pass number. The default pass is the last pass 796 * and is used by most drivers. Drivers needed by the scheduler are 797 * probed in earlier passes. 798 */ 799#define BUS_PASS_ROOT 0 /* Used to attach root0. */ 800#define BUS_PASS_BUS 10 /* Buses and bridges. */ 801#define BUS_PASS_CPU 20 /* CPU devices. */ 802#define BUS_PASS_RESOURCE 30 /* Resource discovery. */ 803#define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */ 804#define BUS_PASS_TIMER 50 /* Timers and clocks. */ 805#define BUS_PASS_SCHEDULER 60 /* Start scheduler. */ 806#define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */ 807#define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */ 808 809#define BUS_PASS_ORDER_FIRST 0 810#define BUS_PASS_ORDER_EARLY 2 811#define BUS_PASS_ORDER_MIDDLE 5 812#define BUS_PASS_ORDER_LATE 7 813#define BUS_PASS_ORDER_LAST 9 814 815#define BUS_LOCATOR_ACPI "ACPI" 816#define BUS_LOCATOR_FREEBSD "FreeBSD" 817#define BUS_LOCATOR_UEFI "UEFI" 818#define BUS_LOCATOR_OFW "OFW" 819 820extern int bus_current_pass; 821 822void bus_set_pass(int pass); 823 824/** 825 * Routines to lock / unlock the newbus lock. 826 * Must be taken out to interact with newbus. 827 */ 828void bus_topo_lock(void); 829void bus_topo_unlock(void); 830struct mtx * bus_topo_mtx(void); 831void bus_topo_assert(void); 832 833/** 834 * Shorthands for constructing method tables. 835 */ 836#define DEVMETHOD KOBJMETHOD 837#define DEVMETHOD_END KOBJMETHOD_END 838 839/* 840 * Some common device interfaces. 841 */ 842#include "device_if.h" 843#include "bus_if.h" 844 845struct module; 846 847int driver_module_handler(struct module *, int, void *); 848 849/** 850 * Module support for automatically adding drivers to buses. 851 */ 852struct driver_module_data { 853 int (*dmd_chainevh)(struct module *, int, void *); 854 void *dmd_chainarg; 855 const char *dmd_busname; 856 kobj_class_t dmd_driver; 857 devclass_t *dmd_devclass; 858 int dmd_pass; 859}; 860 861#define EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 862 order, pass) \ 863 \ 864static struct driver_module_data name##_##busname##_driver_mod = { \ 865 evh, arg, \ 866 #busname, \ 867 (kobj_class_t) &driver, \ 868 NULL, \ 869 pass \ 870}; \ 871 \ 872static moduledata_t name##_##busname##_mod = { \ 873 #busname "/" #name, \ 874 driver_module_handler, \ 875 &name##_##busname##_driver_mod \ 876}; \ 877DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \ 878 SI_SUB_DRIVERS, order) 879 880#define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \ 881 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 882 SI_ORDER_MIDDLE, pass) 883 884#define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \ 885 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 886 order, BUS_PASS_DEFAULT) 887 888#define DRIVER_MODULE(name, busname, driver, evh, arg) \ 889 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \ 890 BUS_PASS_DEFAULT) 891 892/** 893 * Generic ivar accessor generation macros for bus drivers 894 */ 895#define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 896 \ 897static __inline type varp ## _get_ ## var(device_t dev) \ 898{ \ 899 uintptr_t v; \ 900 int e __diagused; \ 901 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 902 ivarp ## _IVAR_ ## ivar, &v); \ 903 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 904 __func__, device_get_nameunit(dev), \ 905 device_get_nameunit(device_get_parent(dev)), e)); \ 906 return ((type) v); \ 907} \ 908 \ 909static __inline void varp ## _set_ ## var(device_t dev, type t) \ 910{ \ 911 uintptr_t v = (uintptr_t) t; \ 912 int e __diagused; \ 913 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 914 ivarp ## _IVAR_ ## ivar, v); \ 915 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 916 __func__, device_get_nameunit(dev), \ 917 device_get_nameunit(device_get_parent(dev)), e)); \ 918} 919 920struct device_location_cache; 921typedef struct device_location_cache device_location_cache_t; 922device_location_cache_t *dev_wired_cache_init(void); 923void dev_wired_cache_fini(device_location_cache_t *dcp); 924bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at); 925 926 927/** 928 * Shorthand macros, taking resource argument 929 * Generated with sys/tools/bus_macro.sh 930 */ 931 932#define bus_barrier(r, o, l, f) \ 933 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f)) 934#define bus_poke_1(r, o, v) \ 935 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 936#define bus_peek_1(r, o, vp) \ 937 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 938#define bus_read_1(r, o) \ 939 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o)) 940#define bus_read_multi_1(r, o, d, c) \ 941 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 942#define bus_read_region_1(r, o, d, c) \ 943 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 944#define bus_set_multi_1(r, o, v, c) \ 945 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 946#define bus_set_region_1(r, o, v, c) \ 947 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 948#define bus_write_1(r, o, v) \ 949 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 950#define bus_write_multi_1(r, o, d, c) \ 951 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 952#define bus_write_region_1(r, o, d, c) \ 953 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 954#define bus_read_stream_1(r, o) \ 955 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o)) 956#define bus_read_multi_stream_1(r, o, d, c) \ 957 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 958#define bus_read_region_stream_1(r, o, d, c) \ 959 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 960#define bus_set_multi_stream_1(r, o, v, c) \ 961 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 962#define bus_set_region_stream_1(r, o, v, c) \ 963 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 964#define bus_write_stream_1(r, o, v) \ 965 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 966#define bus_write_multi_stream_1(r, o, d, c) \ 967 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 968#define bus_write_region_stream_1(r, o, d, c) \ 969 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 970#define bus_poke_2(r, o, v) \ 971 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 972#define bus_peek_2(r, o, vp) \ 973 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 974#define bus_read_2(r, o) \ 975 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o)) 976#define bus_read_multi_2(r, o, d, c) \ 977 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 978#define bus_read_region_2(r, o, d, c) \ 979 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 980#define bus_set_multi_2(r, o, v, c) \ 981 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 982#define bus_set_region_2(r, o, v, c) \ 983 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 984#define bus_write_2(r, o, v) \ 985 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 986#define bus_write_multi_2(r, o, d, c) \ 987 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 988#define bus_write_region_2(r, o, d, c) \ 989 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 990#define bus_read_stream_2(r, o) \ 991 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o)) 992#define bus_read_multi_stream_2(r, o, d, c) \ 993 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 994#define bus_read_region_stream_2(r, o, d, c) \ 995 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 996#define bus_set_multi_stream_2(r, o, v, c) \ 997 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 998#define bus_set_region_stream_2(r, o, v, c) \ 999 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1000#define bus_write_stream_2(r, o, v) \ 1001 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1002#define bus_write_multi_stream_2(r, o, d, c) \ 1003 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1004#define bus_write_region_stream_2(r, o, d, c) \ 1005 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1006#define bus_poke_4(r, o, v) \ 1007 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1008#define bus_peek_4(r, o, vp) \ 1009 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1010#define bus_read_4(r, o) \ 1011 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o)) 1012#define bus_read_multi_4(r, o, d, c) \ 1013 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1014#define bus_read_region_4(r, o, d, c) \ 1015 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1016#define bus_set_multi_4(r, o, v, c) \ 1017 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1018#define bus_set_region_4(r, o, v, c) \ 1019 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1020#define bus_write_4(r, o, v) \ 1021 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1022#define bus_write_multi_4(r, o, d, c) \ 1023 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1024#define bus_write_region_4(r, o, d, c) \ 1025 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1026#define bus_read_stream_4(r, o) \ 1027 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o)) 1028#define bus_read_multi_stream_4(r, o, d, c) \ 1029 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1030#define bus_read_region_stream_4(r, o, d, c) \ 1031 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1032#define bus_set_multi_stream_4(r, o, v, c) \ 1033 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1034#define bus_set_region_stream_4(r, o, v, c) \ 1035 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1036#define bus_write_stream_4(r, o, v) \ 1037 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1038#define bus_write_multi_stream_4(r, o, d, c) \ 1039 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1040#define bus_write_region_stream_4(r, o, d, c) \ 1041 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1042#define bus_poke_8(r, o, v) \ 1043 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1044#define bus_peek_8(r, o, vp) \ 1045 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1046#define bus_read_8(r, o) \ 1047 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o)) 1048#define bus_read_multi_8(r, o, d, c) \ 1049 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1050#define bus_read_region_8(r, o, d, c) \ 1051 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1052#define bus_set_multi_8(r, o, v, c) \ 1053 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1054#define bus_set_region_8(r, o, v, c) \ 1055 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1056#define bus_write_8(r, o, v) \ 1057 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1058#define bus_write_multi_8(r, o, d, c) \ 1059 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1060#define bus_write_region_8(r, o, d, c) \ 1061 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1062#define bus_read_stream_8(r, o) \ 1063 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o)) 1064#define bus_read_multi_stream_8(r, o, d, c) \ 1065 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1066#define bus_read_region_stream_8(r, o, d, c) \ 1067 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1068#define bus_set_multi_stream_8(r, o, v, c) \ 1069 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1070#define bus_set_region_stream_8(r, o, v, c) \ 1071 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1072#define bus_write_stream_8(r, o, v) \ 1073 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1074#define bus_write_multi_stream_8(r, o, d, c) \ 1075 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1076#define bus_write_region_stream_8(r, o, d, c) \ 1077 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1078#endif /* _KERNEL */ 1079 1080#endif /* !_SYS_BUS_H_ */ 1081