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 #define DEVICE_UNIT_ANY (-1) 163 164 #ifdef _KERNEL 165 166 #include <sys/_eventhandler.h> 167 #include <sys/kobj.h> 168 #include <sys/systm.h> 169 #include <sys/devctl.h> 170 171 /** 172 * Device name parsers. Hook to allow device enumerators to map 173 * scheme-specific names to a device. 174 */ 175 typedef void (*dev_lookup_fn)(void *arg, const char *name, 176 device_t *result); 177 EVENTHANDLER_DECLARE(dev_lookup, dev_lookup_fn); 178 179 /** 180 * @brief A device driver. 181 * 182 * Provides an abstraction layer for driver dispatch. 183 */ 184 typedef struct kobj_class driver_t; 185 186 /** 187 * @brief A device class 188 * 189 * The devclass object has two main functions in the system. The first 190 * is to manage the allocation of unit numbers for device instances 191 * and the second is to hold the list of device drivers for a 192 * particular bus type. Each devclass has a name and there cannot be 193 * two devclasses with the same name. This ensures that unique unit 194 * numbers are allocated to device instances. 195 * 196 * Drivers that support several different bus attachments (e.g. isa, 197 * pci, pccard) should all use the same devclass to ensure that unit 198 * numbers do not conflict. 199 * 200 * Each devclass may also have a parent devclass. This is used when 201 * searching for device drivers to allow a form of inheritance. When 202 * matching drivers with devices, first the driver list of the parent 203 * device's devclass is searched. If no driver is found in that list, 204 * the search continues in the parent devclass (if any). 205 */ 206 typedef struct devclass *devclass_t; 207 208 /** 209 * @brief A device method 210 */ 211 #define device_method_t kobj_method_t 212 213 /** 214 * @brief Driver interrupt filter return values 215 * 216 * If a driver provides an interrupt filter routine it must return an 217 * integer consisting of oring together zero or more of the following 218 * flags: 219 * 220 * FILTER_STRAY - this device did not trigger the interrupt 221 * FILTER_HANDLED - the interrupt has been fully handled and can be EOId 222 * FILTER_SCHEDULE_THREAD - the threaded interrupt handler should be 223 * scheduled to execute 224 * 225 * If the driver does not provide a filter, then the interrupt code will 226 * act is if the filter had returned FILTER_SCHEDULE_THREAD. Note that it 227 * is illegal to specify any other flag with FILTER_STRAY and that it is 228 * illegal to not specify either of FILTER_HANDLED or FILTER_SCHEDULE_THREAD 229 * if FILTER_STRAY is not specified. 230 */ 231 #define FILTER_STRAY 0x01 232 #define FILTER_HANDLED 0x02 233 #define FILTER_SCHEDULE_THREAD 0x04 234 235 /** 236 * @brief Driver interrupt service routines 237 * 238 * The filter routine is run in primary interrupt context and may not 239 * block or use regular mutexes. It may only use spin mutexes for 240 * synchronization. The filter may either completely handle the 241 * interrupt or it may perform some of the work and defer more 242 * expensive work to the regular interrupt handler. If a filter 243 * routine is not registered by the driver, then the regular interrupt 244 * handler is always used to handle interrupts from this device. 245 * 246 * The regular interrupt handler executes in its own thread context 247 * and may use regular mutexes. However, it is prohibited from 248 * sleeping on a sleep queue. 249 */ 250 typedef int driver_filter_t(void*); 251 typedef void driver_intr_t(void*); 252 253 /** 254 * @brief Interrupt type bits. 255 * 256 * These flags may be passed by drivers to bus_setup_intr(9) when 257 * registering a new interrupt handler. The field is overloaded to 258 * specify both the interrupt's type and any special properties. 259 * 260 * The INTR_TYPE* bits will be passed to intr_priority(9) to determine 261 * the scheduling priority of the handler's ithread. Historically, each 262 * type was assigned a unique scheduling preference, but now only 263 * INTR_TYPE_CLK receives a default priority higher than other 264 * interrupts. See sys/priority.h. 265 * 266 * Buses may choose to modify or augment these flags as appropriate, 267 * e.g. nexus may apply INTR_EXCL. 268 */ 269 enum intr_type { 270 INTR_TYPE_TTY = 1, 271 INTR_TYPE_BIO = 2, 272 INTR_TYPE_NET = 4, 273 INTR_TYPE_CAM = 8, 274 INTR_TYPE_MISC = 16, 275 INTR_TYPE_CLK = 32, 276 INTR_TYPE_AV = 64, 277 INTR_EXCL = 256, /* exclusive interrupt */ 278 INTR_MPSAFE = 512, /* this interrupt is SMP safe */ 279 INTR_ENTROPY = 1024, /* this interrupt provides entropy */ 280 INTR_SLEEPABLE = 2048, /* this interrupt handler can sleep */ 281 INTR_MD1 = 4096, /* flag reserved for MD use */ 282 INTR_MD2 = 8192, /* flag reserved for MD use */ 283 INTR_MD3 = 16384, /* flag reserved for MD use */ 284 INTR_MD4 = 32768 /* flag reserved for MD use */ 285 }; 286 287 enum intr_trigger { 288 INTR_TRIGGER_INVALID = -1, 289 INTR_TRIGGER_CONFORM = 0, 290 INTR_TRIGGER_EDGE = 1, 291 INTR_TRIGGER_LEVEL = 2 292 }; 293 294 enum intr_polarity { 295 INTR_POLARITY_CONFORM = 0, 296 INTR_POLARITY_HIGH = 1, 297 INTR_POLARITY_LOW = 2 298 }; 299 300 /** 301 * CPU sets supported by bus_get_cpus(). Note that not all sets may be 302 * supported for a given device. If a request is not supported by a 303 * device (or its parents), then bus_get_cpus() will fail with EINVAL. 304 */ 305 enum cpu_sets { 306 LOCAL_CPUS = 0, 307 INTR_CPUS 308 }; 309 310 struct resource; 311 312 /** 313 * @brief A resource mapping. 314 */ 315 struct resource_map { 316 bus_space_tag_t r_bustag; 317 bus_space_handle_t r_bushandle; 318 bus_size_t r_size; 319 void *r_vaddr; 320 }; 321 322 /** 323 * @brief Optional properties of a resource mapping request. 324 */ 325 struct resource_map_request { 326 size_t size; 327 rman_res_t offset; 328 rman_res_t length; 329 vm_memattr_t memattr; 330 }; 331 332 void resource_init_map_request_impl(struct resource_map_request *_args, 333 size_t _sz); 334 #define resource_init_map_request(rmr) \ 335 resource_init_map_request_impl((rmr), sizeof(*(rmr))) 336 int resource_validate_map_request(struct resource *r, 337 struct resource_map_request *in, struct resource_map_request *out, 338 rman_res_t *startp, rman_res_t *lengthp); 339 340 /* 341 * Definitions for drivers which need to keep simple lists of resources 342 * for their child devices. 343 */ 344 345 /** 346 * @brief An entry for a single resource in a resource list. 347 */ 348 struct resource_list_entry { 349 STAILQ_ENTRY(resource_list_entry) link; 350 int type; /**< @brief type argument to alloc_resource */ 351 int rid; /**< @brief resource identifier */ 352 int flags; /**< @brief resource flags */ 353 struct resource *res; /**< @brief the real resource when allocated */ 354 rman_res_t start; /**< @brief start of resource range */ 355 rman_res_t end; /**< @brief end of resource range */ 356 rman_res_t count; /**< @brief count within range */ 357 }; 358 STAILQ_HEAD(resource_list, resource_list_entry); 359 360 #define RLE_RESERVED 0x0001 /* Reserved by the parent bus. */ 361 #define RLE_ALLOCATED 0x0002 /* Reserved resource is allocated. */ 362 #define RLE_PREFETCH 0x0004 /* Resource is a prefetch range. */ 363 364 void resource_list_init(struct resource_list *rl); 365 void resource_list_free(struct resource_list *rl); 366 struct resource_list_entry * 367 resource_list_add(struct resource_list *rl, 368 int type, int rid, 369 rman_res_t start, rman_res_t end, rman_res_t count); 370 int resource_list_add_next(struct resource_list *rl, 371 int type, 372 rman_res_t start, rman_res_t end, rman_res_t count); 373 int resource_list_busy(struct resource_list *rl, 374 int type, int rid); 375 int resource_list_reserved(struct resource_list *rl, int type, int rid); 376 struct resource_list_entry* 377 resource_list_find(struct resource_list *rl, 378 int type, int rid); 379 void resource_list_delete(struct resource_list *rl, 380 int type, int rid); 381 struct resource * 382 resource_list_alloc(struct resource_list *rl, 383 device_t bus, device_t child, 384 int type, int *rid, 385 rman_res_t start, rman_res_t end, 386 rman_res_t count, u_int flags); 387 int resource_list_release(struct resource_list *rl, 388 device_t bus, device_t child, 389 struct resource *res); 390 int resource_list_release_active(struct resource_list *rl, 391 device_t bus, device_t child, 392 int type); 393 struct resource * 394 resource_list_reserve(struct resource_list *rl, 395 device_t bus, device_t child, 396 int type, int *rid, 397 rman_res_t start, rman_res_t end, 398 rman_res_t count, u_int flags); 399 int resource_list_unreserve(struct resource_list *rl, 400 device_t bus, device_t child, 401 int type, int rid); 402 void resource_list_purge(struct resource_list *rl); 403 int resource_list_print_type(struct resource_list *rl, 404 const char *name, int type, 405 const char *format); 406 407 /* 408 * The root bus, to which all top-level buses are attached. 409 */ 410 extern device_t root_bus; 411 extern devclass_t root_devclass; 412 void root_bus_configure(void); 413 414 /* 415 * Useful functions for implementing buses. 416 */ 417 418 struct _cpuset; 419 420 int bus_generic_activate_resource(device_t dev, device_t child, 421 struct resource *r); 422 device_t 423 bus_generic_add_child(device_t dev, u_int order, const char *name, 424 int unit); 425 int bus_generic_adjust_resource(device_t bus, device_t child, 426 struct resource *r, rman_res_t start, 427 rman_res_t end); 428 struct resource * 429 bus_generic_alloc_resource(device_t bus, device_t child, int type, 430 int *rid, rman_res_t start, rman_res_t end, 431 rman_res_t count, u_int flags); 432 int bus_generic_translate_resource(device_t dev, int type, rman_res_t start, 433 rman_res_t *newstart); 434 int bus_generic_attach(device_t dev) 435 __deprecated1("Use bus_attach_children instead"); 436 int bus_generic_bind_intr(device_t dev, device_t child, 437 struct resource *irq, int cpu); 438 int bus_generic_child_location(device_t dev, device_t child, struct sbuf *sb); 439 int bus_generic_child_pnpinfo(device_t dev, device_t child, struct sbuf *sb); 440 int bus_generic_child_present(device_t dev, device_t child); 441 int bus_generic_config_intr(device_t, int, enum intr_trigger, 442 enum intr_polarity); 443 int bus_generic_describe_intr(device_t dev, device_t child, 444 struct resource *irq, void *cookie, 445 const char *descr); 446 int bus_generic_deactivate_resource(device_t dev, device_t child, 447 struct resource *r); 448 int bus_generic_detach(device_t dev); 449 void bus_generic_driver_added(device_t dev, driver_t *driver); 450 int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op, 451 size_t setsize, struct _cpuset *cpuset); 452 bus_dma_tag_t 453 bus_generic_get_dma_tag(device_t dev, device_t child); 454 bus_space_tag_t 455 bus_generic_get_bus_tag(device_t dev, device_t child); 456 int bus_generic_get_domain(device_t dev, device_t child, int *domain); 457 ssize_t bus_generic_get_property(device_t dev, device_t child, 458 const char *propname, void *propvalue, 459 size_t size, device_property_type_t type); 460 struct resource_list * 461 bus_generic_get_resource_list(device_t, device_t); 462 int bus_generic_map_resource(device_t dev, device_t child, 463 struct resource *r, 464 struct resource_map_request *args, 465 struct resource_map *map); 466 void bus_generic_new_pass(device_t dev); 467 int bus_print_child_header(device_t dev, device_t child); 468 int bus_print_child_domain(device_t dev, device_t child); 469 int bus_print_child_footer(device_t dev, device_t child); 470 int bus_generic_print_child(device_t dev, device_t child); 471 int bus_generic_probe(device_t dev) 472 __deprecated1("Use bus_identify_children instead"); 473 int bus_generic_read_ivar(device_t dev, device_t child, int which, 474 uintptr_t *result); 475 int bus_generic_release_resource(device_t bus, device_t child, 476 struct resource *r); 477 int bus_generic_resume(device_t dev); 478 int bus_generic_resume_child(device_t dev, device_t child); 479 int bus_generic_setup_intr(device_t dev, device_t child, 480 struct resource *irq, int flags, 481 driver_filter_t *filter, driver_intr_t *intr, 482 void *arg, void **cookiep); 483 484 struct resource * 485 bus_generic_rl_alloc_resource (device_t, device_t, int, int *, 486 rman_res_t, rman_res_t, rman_res_t, u_int); 487 void bus_generic_rl_delete_resource (device_t, device_t, int, int); 488 int bus_generic_rl_get_resource (device_t, device_t, int, int, rman_res_t *, 489 rman_res_t *); 490 int bus_generic_rl_set_resource (device_t, device_t, int, int, rman_res_t, 491 rman_res_t); 492 int bus_generic_rl_release_resource (device_t, device_t, struct resource *); 493 struct resource * 494 bus_generic_rman_alloc_resource(device_t dev, device_t child, int type, 495 int *rid, rman_res_t start, 496 rman_res_t end, rman_res_t count, 497 u_int flags); 498 int bus_generic_rman_adjust_resource(device_t dev, device_t child, 499 struct resource *r, rman_res_t start, 500 rman_res_t end); 501 int bus_generic_rman_release_resource(device_t dev, device_t child, 502 struct resource *r); 503 int bus_generic_rman_activate_resource(device_t dev, device_t child, 504 struct resource *r); 505 int bus_generic_rman_deactivate_resource(device_t dev, device_t child, 506 struct resource *r); 507 508 int bus_generic_shutdown(device_t dev); 509 int bus_generic_suspend(device_t dev); 510 int bus_generic_suspend_child(device_t dev, device_t child); 511 int bus_generic_teardown_intr(device_t dev, device_t child, 512 struct resource *irq, void *cookie); 513 int bus_generic_suspend_intr(device_t dev, device_t child, 514 struct resource *irq); 515 int bus_generic_resume_intr(device_t dev, device_t child, 516 struct resource *irq); 517 int bus_generic_unmap_resource(device_t dev, device_t child, 518 struct resource *r, 519 struct resource_map *map); 520 int bus_generic_write_ivar(device_t dev, device_t child, int which, 521 uintptr_t value); 522 int bus_generic_get_device_path(device_t bus, device_t child, const char *locator, 523 struct sbuf *sb); 524 int bus_helper_reset_post(device_t dev, int flags); 525 int bus_helper_reset_prepare(device_t dev, int flags); 526 int bus_null_rescan(device_t dev); 527 528 /* 529 * Wrapper functions for the BUS_*_RESOURCE methods to make client code 530 * a little simpler. 531 */ 532 533 struct resource_spec { 534 int type; 535 int rid; 536 int flags; 537 }; 538 #define RESOURCE_SPEC_END {-1, 0, 0} 539 540 int bus_alloc_resources(device_t dev, struct resource_spec *rs, 541 struct resource **res); 542 void bus_release_resources(device_t dev, const struct resource_spec *rs, 543 struct resource **res); 544 545 int bus_adjust_resource(device_t child, struct resource *r, 546 rman_res_t start, rman_res_t end); 547 int bus_translate_resource(device_t child, int type, rman_res_t start, 548 rman_res_t *newstart); 549 struct resource *bus_alloc_resource(device_t dev, int type, int *rid, 550 rman_res_t start, rman_res_t end, 551 rman_res_t count, u_int flags); 552 int bus_activate_resource(device_t dev, struct resource *r); 553 int bus_deactivate_resource(device_t dev, struct resource *r); 554 int bus_map_resource(device_t dev, struct resource *r, 555 struct resource_map_request *args, 556 struct resource_map *map); 557 int bus_unmap_resource(device_t dev, struct resource *r, 558 struct resource_map *map); 559 int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize, 560 struct _cpuset *cpuset); 561 bus_dma_tag_t bus_get_dma_tag(device_t dev); 562 bus_space_tag_t bus_get_bus_tag(device_t dev); 563 int bus_get_domain(device_t dev, int *domain); 564 int bus_release_resource(device_t dev, struct resource *r); 565 int bus_free_resource(device_t dev, int type, struct resource *r); 566 int bus_setup_intr(device_t dev, struct resource *r, int flags, 567 driver_filter_t filter, driver_intr_t handler, 568 void *arg, void **cookiep); 569 int bus_teardown_intr(device_t dev, struct resource *r, void *cookie); 570 int bus_suspend_intr(device_t dev, struct resource *r); 571 int bus_resume_intr(device_t dev, struct resource *r); 572 int bus_bind_intr(device_t dev, struct resource *r, int cpu); 573 int bus_describe_intr(device_t dev, struct resource *irq, void *cookie, 574 const char *fmt, ...) __printflike(4, 5); 575 int bus_set_resource(device_t dev, int type, int rid, 576 rman_res_t start, rman_res_t count); 577 int bus_get_resource(device_t dev, int type, int rid, 578 rman_res_t *startp, rman_res_t *countp); 579 rman_res_t bus_get_resource_start(device_t dev, int type, int rid); 580 rman_res_t bus_get_resource_count(device_t dev, int type, int rid); 581 void bus_delete_resource(device_t dev, int type, int rid); 582 int bus_child_present(device_t child); 583 int bus_child_pnpinfo(device_t child, struct sbuf *sb); 584 int bus_child_location(device_t child, struct sbuf *sb); 585 586 void bus_attach_children(device_t dev); 587 void bus_delayed_attach_children(device_t bus); 588 int bus_detach_children(device_t dev); 589 void bus_enumerate_hinted_children(device_t bus); 590 void bus_identify_children(device_t dev); 591 592 static __inline struct resource * 593 bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags) 594 { 595 return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags)); 596 } 597 598 static __inline struct resource * 599 bus_alloc_resource_anywhere(device_t dev, int type, int *rid, 600 rman_res_t count, u_int flags) 601 { 602 return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags)); 603 } 604 605 /* Compat shims for simpler bus resource API. */ 606 int bus_adjust_resource_old(device_t child, int type, struct resource *r, 607 rman_res_t start, rman_res_t end); 608 int bus_activate_resource_old(device_t dev, int type, int rid, 609 struct resource *r); 610 int bus_deactivate_resource_old(device_t dev, int type, int rid, 611 struct resource *r); 612 int bus_map_resource_old(device_t dev, int type, struct resource *r, 613 struct resource_map_request *args, 614 struct resource_map *map); 615 int bus_unmap_resource_old(device_t dev, int type, struct resource *r, 616 struct resource_map *map); 617 int bus_release_resource_old(device_t dev, int type, int rid, 618 struct resource *r); 619 620 #define _BUS_API_MACRO(_1, _2, _3, _4, _5, NAME, ...) NAME 621 622 #define bus_adjust_resource(...) \ 623 _BUS_API_MACRO(__VA_ARGS__, bus_adjust_resource_old, \ 624 bus_adjust_resource)(__VA_ARGS__) 625 626 #define bus_activate_resource(...) \ 627 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_activate_resource_old, \ 628 INVALID, bus_activate_resource)(__VA_ARGS__) 629 630 #define bus_deactivate_resource(...) \ 631 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_deactivate_resource_old, \ 632 INVALID, bus_deactivate_resource)(__VA_ARGS__) 633 634 #define bus_map_resource(...) \ 635 _BUS_API_MACRO(__VA_ARGS__, bus_map_resource_old, \ 636 bus_map_resource)(__VA_ARGS__) 637 638 #define bus_unmap_resource(...) \ 639 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_unmap_resource_old, \ 640 bus_unmap_resource)(__VA_ARGS__) 641 642 #define bus_release_resource(...) \ 643 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_release_resource_old, \ 644 INVALID, bus_release_resource)(__VA_ARGS__) 645 646 /* 647 * Access functions for device. 648 */ 649 device_t device_add_child(device_t dev, const char *name, int unit); 650 device_t device_add_child_ordered(device_t dev, u_int order, 651 const char *name, int unit); 652 void device_busy(device_t dev); 653 int device_delete_child(device_t dev, device_t child); 654 int device_delete_children(device_t dev); 655 int device_attach(device_t dev); 656 int device_detach(device_t dev); 657 void device_disable(device_t dev); 658 void device_enable(device_t dev); 659 device_t device_find_child(device_t dev, const char *classname, 660 int unit); 661 const char *device_get_desc(device_t dev); 662 devclass_t device_get_devclass(device_t dev); 663 driver_t *device_get_driver(device_t dev); 664 u_int32_t device_get_flags(device_t dev); 665 device_t device_get_parent(device_t dev); 666 int device_get_children(device_t dev, device_t **listp, int *countp); 667 void *device_get_ivars(device_t dev); 668 void device_set_ivars(device_t dev, void *ivars); 669 const char *device_get_name(device_t dev); 670 const char *device_get_nameunit(device_t dev); 671 void *device_get_softc(device_t dev); 672 device_state_t device_get_state(device_t dev); 673 int device_get_unit(device_t dev); 674 struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev); 675 struct sysctl_oid *device_get_sysctl_tree(device_t dev); 676 int device_has_quiet_children(device_t dev); 677 int device_is_alive(device_t dev); /* did probe succeed? */ 678 int device_is_attached(device_t dev); /* did attach succeed? */ 679 int device_is_enabled(device_t dev); 680 int device_is_suspended(device_t dev); 681 int device_is_quiet(device_t dev); 682 device_t device_lookup_by_name(const char *name); 683 int device_print_prettyname(device_t dev); 684 int device_printf(device_t dev, const char *, ...) __printflike(2, 3); 685 int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4); 686 int device_probe(device_t dev); 687 int device_probe_and_attach(device_t dev); 688 int device_probe_child(device_t bus, device_t dev); 689 int device_quiesce(device_t dev); 690 void device_quiet(device_t dev); 691 void device_quiet_children(device_t dev); 692 void device_set_desc(device_t dev, const char* desc); 693 void device_set_descf(device_t dev, const char* fmt, ...) __printflike(2, 3); 694 void device_set_desc_copy(device_t dev, const char* desc); 695 int device_set_devclass(device_t dev, const char *classname); 696 int device_set_devclass_fixed(device_t dev, const char *classname); 697 bool device_is_devclass_fixed(device_t dev); 698 int device_set_driver(device_t dev, driver_t *driver); 699 void device_set_flags(device_t dev, u_int32_t flags); 700 void device_set_softc(device_t dev, void *softc); 701 void device_free_softc(void *softc); 702 void device_claim_softc(device_t dev); 703 int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */ 704 int device_shutdown(device_t dev); 705 void device_unbusy(device_t dev); 706 void device_verbose(device_t dev); 707 ssize_t device_get_property(device_t dev, const char *prop, void *val, 708 size_t sz, device_property_type_t type); 709 bool device_has_property(device_t dev, const char *prop); 710 711 /* 712 * Access functions for devclass. 713 */ 714 int devclass_add_driver(devclass_t dc, driver_t *driver, 715 int pass, devclass_t *dcp); 716 devclass_t devclass_create(const char *classname); 717 int devclass_delete_driver(devclass_t busclass, driver_t *driver); 718 devclass_t devclass_find(const char *classname); 719 const char *devclass_get_name(devclass_t dc); 720 device_t devclass_get_device(devclass_t dc, int unit); 721 void *devclass_get_softc(devclass_t dc, int unit); 722 int devclass_get_devices(devclass_t dc, device_t **listp, int *countp); 723 int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp); 724 int devclass_get_count(devclass_t dc); 725 int devclass_get_maxunit(devclass_t dc); 726 int devclass_find_free_unit(devclass_t dc, int unit); 727 void devclass_set_parent(devclass_t dc, devclass_t pdc); 728 devclass_t devclass_get_parent(devclass_t dc); 729 struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc); 730 struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc); 731 732 /* 733 * Access functions for device resources. 734 */ 735 int resource_int_value(const char *name, int unit, const char *resname, 736 int *result); 737 int resource_long_value(const char *name, int unit, const char *resname, 738 long *result); 739 int resource_string_value(const char *name, int unit, const char *resname, 740 const char **result); 741 int resource_disabled(const char *name, int unit); 742 int resource_find_match(int *anchor, const char **name, int *unit, 743 const char *resname, const char *value); 744 int resource_find_dev(int *anchor, const char *name, int *unit, 745 const char *resname, const char *value); 746 int resource_unset_value(const char *name, int unit, const char *resname); 747 748 /* 749 * Functions for maintaining and checking consistency of 750 * bus information exported to userspace. 751 */ 752 int bus_data_generation_check(int generation); 753 void bus_data_generation_update(void); 754 755 /** 756 * Some convenience defines for probe routines to return. These are just 757 * suggested values, and there's nothing magical about them. 758 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no 759 * possible other driver may exist (typically legacy drivers who don't follow 760 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the 761 * suggested value that vendor supplied drivers use. This is for source or 762 * binary drivers that are not yet integrated into the FreeBSD tree. Its use 763 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value 764 * for drivers to use. It is intended that nearly all of the drivers in the 765 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that 766 * have special requirements like when there are two drivers that support 767 * overlapping series of hardware devices. In this case the one that supports 768 * the older part of the line would return this value, while the one that 769 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC 770 * is for drivers that wish to have a generic form and a specialized form, 771 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is 772 * for those buses that implement a generic device placeholder for devices on 773 * the bus that have no more specific driver for them (aka ugen). 774 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding 775 * for a device node, but accepts only devices that its parent has told it 776 * use this driver. 777 */ 778 #define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */ 779 #define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */ 780 #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */ 781 #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */ 782 #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */ 783 #define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */ 784 #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */ 785 786 /** 787 * During boot, the device tree is scanned multiple times. Each scan, 788 * or pass, drivers may be attached to devices. Each driver 789 * attachment is assigned a pass number. Drivers may only probe and 790 * attach to devices if their pass number is less than or equal to the 791 * current system-wide pass number. The default pass is the last pass 792 * and is used by most drivers. Drivers needed by the scheduler are 793 * probed in earlier passes. 794 */ 795 #define BUS_PASS_ROOT 0 /* Used to attach root0. */ 796 #define BUS_PASS_BUS 10 /* Buses and bridges. */ 797 #define BUS_PASS_CPU 20 /* CPU devices. */ 798 #define BUS_PASS_RESOURCE 30 /* Resource discovery. */ 799 #define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */ 800 #define BUS_PASS_TIMER 50 /* Timers and clocks. */ 801 #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */ 802 #define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */ 803 #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */ 804 805 #define BUS_PASS_ORDER_FIRST 0 806 #define BUS_PASS_ORDER_EARLY 2 807 #define BUS_PASS_ORDER_MIDDLE 5 808 #define BUS_PASS_ORDER_LATE 7 809 #define BUS_PASS_ORDER_LAST 9 810 811 #define BUS_LOCATOR_ACPI "ACPI" 812 #define BUS_LOCATOR_FREEBSD "FreeBSD" 813 #define BUS_LOCATOR_UEFI "UEFI" 814 #define BUS_LOCATOR_OFW "OFW" 815 816 int bus_get_pass(void); 817 818 /** 819 * Routines to lock / unlock the newbus lock. 820 * Must be taken out to interact with newbus. 821 */ 822 void bus_topo_lock(void); 823 void bus_topo_unlock(void); 824 struct mtx * bus_topo_mtx(void); 825 void bus_topo_assert(void); 826 827 /** 828 * Shorthands for constructing method tables. 829 */ 830 #define DEVMETHOD KOBJMETHOD 831 #define DEVMETHOD_END KOBJMETHOD_END 832 833 /* 834 * Some common device interfaces. 835 */ 836 #include "device_if.h" 837 #include "bus_if.h" 838 839 struct module; 840 841 int driver_module_handler(struct module *, int, void *); 842 843 /** 844 * Module support for automatically adding drivers to buses. 845 */ 846 struct driver_module_data { 847 int (*dmd_chainevh)(struct module *, int, void *); 848 void *dmd_chainarg; 849 const char *dmd_busname; 850 kobj_class_t dmd_driver; 851 devclass_t *dmd_devclass; 852 int dmd_pass; 853 }; 854 855 #define EARLY_DRIVER_MODULE_ORDERED(_name, busname, driver, evh, arg, \ 856 order, pass) \ 857 \ 858 static struct driver_module_data _name##_##busname##_driver_mod = { \ 859 .dmd_chainevh = evh, \ 860 .dmd_chainarg = arg, \ 861 .dmd_busname = #busname, \ 862 .dmd_driver = (kobj_class_t)&driver, \ 863 .dmd_devclass = NULL, \ 864 .dmd_pass = pass, \ 865 }; \ 866 \ 867 static moduledata_t _name##_##busname##_mod = { \ 868 .name = #busname "/" #_name , \ 869 .evhand = driver_module_handler, \ 870 .priv = &_name##_##busname##_driver_mod, \ 871 }; \ 872 DECLARE_MODULE(_name##_##busname, _name##_##busname##_mod, \ 873 SI_SUB_DRIVERS, order) 874 875 #define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \ 876 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 877 SI_ORDER_MIDDLE, pass) 878 879 #define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \ 880 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 881 order, BUS_PASS_DEFAULT) 882 883 #define DRIVER_MODULE(name, busname, driver, evh, arg) \ 884 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \ 885 BUS_PASS_DEFAULT) 886 887 /** 888 * Generic ivar accessor generation macros for bus drivers 889 */ 890 #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 891 \ 892 static __inline type varp ## _get_ ## var(device_t dev) \ 893 { \ 894 uintptr_t v; \ 895 int e __diagused; \ 896 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 897 ivarp ## _IVAR_ ## ivar, &v); \ 898 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 899 __func__, device_get_nameunit(dev), \ 900 device_get_nameunit(device_get_parent(dev)), e)); \ 901 return ((type) v); \ 902 } \ 903 \ 904 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 905 { \ 906 uintptr_t v = (uintptr_t) t; \ 907 int e __diagused; \ 908 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 909 ivarp ## _IVAR_ ## ivar, v); \ 910 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 911 __func__, device_get_nameunit(dev), \ 912 device_get_nameunit(device_get_parent(dev)), e)); \ 913 } 914 915 struct device_location_cache; 916 typedef struct device_location_cache device_location_cache_t; 917 device_location_cache_t *dev_wired_cache_init(void); 918 void dev_wired_cache_fini(device_location_cache_t *dcp); 919 bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at); 920 921 #define DEV_PROP_NAME_IOMMU "iommu-unit" 922 typedef void (*device_prop_dtr_t)(device_t dev, const char *name, void *val, 923 void *dtr_ctx); 924 int device_set_prop(device_t dev, const char *name, void *val, 925 device_prop_dtr_t dtr, void *dtr_ctx); 926 int device_get_prop(device_t dev, const char *name, void **valp); 927 int device_clear_prop(device_t dev, const char *name); 928 void device_clear_prop_alldev(const char *name); 929 930 /** 931 * Shorthand macros, taking resource argument 932 * Generated with sys/tools/bus_macro.sh 933 */ 934 935 #define bus_barrier(r, o, l, f) \ 936 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f)) 937 #define bus_poke_1(r, o, v) \ 938 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 939 #define bus_peek_1(r, o, vp) \ 940 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 941 #define bus_read_1(r, o) \ 942 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o)) 943 #define bus_read_multi_1(r, o, d, c) \ 944 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 945 #define bus_read_region_1(r, o, d, c) \ 946 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 947 #define bus_set_multi_1(r, o, v, c) \ 948 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 949 #define bus_set_region_1(r, o, v, c) \ 950 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 951 #define bus_write_1(r, o, v) \ 952 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 953 #define bus_write_multi_1(r, o, d, c) \ 954 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 955 #define bus_write_region_1(r, o, d, c) \ 956 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 957 #define bus_read_stream_1(r, o) \ 958 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o)) 959 #define bus_read_multi_stream_1(r, o, d, c) \ 960 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 961 #define bus_read_region_stream_1(r, o, d, c) \ 962 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 963 #define bus_set_multi_stream_1(r, o, v, c) \ 964 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 965 #define bus_set_region_stream_1(r, o, v, c) \ 966 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 967 #define bus_write_stream_1(r, o, v) \ 968 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 969 #define bus_write_multi_stream_1(r, o, d, c) \ 970 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 971 #define bus_write_region_stream_1(r, o, d, c) \ 972 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 973 #define bus_poke_2(r, o, v) \ 974 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 975 #define bus_peek_2(r, o, vp) \ 976 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 977 #define bus_read_2(r, o) \ 978 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o)) 979 #define bus_read_multi_2(r, o, d, c) \ 980 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 981 #define bus_read_region_2(r, o, d, c) \ 982 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 983 #define bus_set_multi_2(r, o, v, c) \ 984 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 985 #define bus_set_region_2(r, o, v, c) \ 986 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 987 #define bus_write_2(r, o, v) \ 988 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 989 #define bus_write_multi_2(r, o, d, c) \ 990 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 991 #define bus_write_region_2(r, o, d, c) \ 992 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 993 #define bus_read_stream_2(r, o) \ 994 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o)) 995 #define bus_read_multi_stream_2(r, o, d, c) \ 996 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 997 #define bus_read_region_stream_2(r, o, d, c) \ 998 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 999 #define bus_set_multi_stream_2(r, o, v, c) \ 1000 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1001 #define bus_set_region_stream_2(r, o, v, c) \ 1002 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1003 #define bus_write_stream_2(r, o, v) \ 1004 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1005 #define bus_write_multi_stream_2(r, o, d, c) \ 1006 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1007 #define bus_write_region_stream_2(r, o, d, c) \ 1008 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1009 #define bus_poke_4(r, o, v) \ 1010 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1011 #define bus_peek_4(r, o, vp) \ 1012 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1013 #define bus_read_4(r, o) \ 1014 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o)) 1015 #define bus_read_multi_4(r, o, d, c) \ 1016 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1017 #define bus_read_region_4(r, o, d, c) \ 1018 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1019 #define bus_set_multi_4(r, o, v, c) \ 1020 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1021 #define bus_set_region_4(r, o, v, c) \ 1022 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1023 #define bus_write_4(r, o, v) \ 1024 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1025 #define bus_write_multi_4(r, o, d, c) \ 1026 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1027 #define bus_write_region_4(r, o, d, c) \ 1028 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1029 #define bus_read_stream_4(r, o) \ 1030 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o)) 1031 #define bus_read_multi_stream_4(r, o, d, c) \ 1032 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1033 #define bus_read_region_stream_4(r, o, d, c) \ 1034 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1035 #define bus_set_multi_stream_4(r, o, v, c) \ 1036 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1037 #define bus_set_region_stream_4(r, o, v, c) \ 1038 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1039 #define bus_write_stream_4(r, o, v) \ 1040 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1041 #define bus_write_multi_stream_4(r, o, d, c) \ 1042 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1043 #define bus_write_region_stream_4(r, o, d, c) \ 1044 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1045 #define bus_poke_8(r, o, v) \ 1046 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1047 #define bus_peek_8(r, o, vp) \ 1048 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1049 #define bus_read_8(r, o) \ 1050 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o)) 1051 #define bus_read_multi_8(r, o, d, c) \ 1052 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1053 #define bus_read_region_8(r, o, d, c) \ 1054 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1055 #define bus_set_multi_8(r, o, v, c) \ 1056 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1057 #define bus_set_region_8(r, o, v, c) \ 1058 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1059 #define bus_write_8(r, o, v) \ 1060 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1061 #define bus_write_multi_8(r, o, d, c) \ 1062 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1063 #define bus_write_region_8(r, o, d, c) \ 1064 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1065 #define bus_read_stream_8(r, o) \ 1066 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o)) 1067 #define bus_read_multi_stream_8(r, o, d, c) \ 1068 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1069 #define bus_read_region_stream_8(r, o, d, c) \ 1070 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1071 #define bus_set_multi_stream_8(r, o, v, c) \ 1072 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1073 #define bus_set_region_stream_8(r, o, v, c) \ 1074 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1075 #define bus_write_stream_8(r, o, v) \ 1076 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1077 #define bus_write_multi_stream_8(r, o, d, c) \ 1078 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1079 #define bus_write_region_stream_8(r, o, d, c) \ 1080 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1081 #endif /* _KERNEL */ 1082 1083 #endif /* !_SYS_BUS_H_ */ 1084