1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 29 */ 30 31 #ifndef _SYS_BUS_H_ 32 #define _SYS_BUS_H_ 33 34 #include <machine/_limits.h> 35 #include <machine/_bus.h> 36 #include <sys/_bus_dma.h> 37 #include <sys/ioccom.h> 38 39 /** 40 * @defgroup NEWBUS newbus - a generic framework for managing devices 41 * @{ 42 */ 43 44 /** 45 * @brief Interface information structure. 46 */ 47 struct u_businfo { 48 int ub_version; /**< @brief interface version */ 49 #define BUS_USER_VERSION 2 50 int ub_generation; /**< @brief generation count */ 51 }; 52 53 /** 54 * @brief State of the device. 55 */ 56 typedef enum device_state { 57 DS_NOTPRESENT = 10, /**< @brief not probed or probe failed */ 58 DS_ALIVE = 20, /**< @brief probe succeeded */ 59 DS_ATTACHING = 25, /**< @brief currently attaching */ 60 DS_ATTACHED = 30, /**< @brief attach method called */ 61 } device_state_t; 62 63 /** 64 * @brief Device proprty types. 65 * 66 * Those are used by bus logic to encode requested properties, 67 * e.g. in DT all properties are stored as BE and need to be converted 68 * to host endianness. 69 */ 70 typedef enum device_property_type { 71 DEVICE_PROP_ANY = 0, 72 DEVICE_PROP_BUFFER = 1, 73 DEVICE_PROP_UINT32 = 2, 74 DEVICE_PROP_UINT64 = 3, 75 } device_property_type_t; 76 77 /** 78 * @brief Device information exported to userspace. 79 * The strings are placed one after the other, separated by NUL characters. 80 * Fields should be added after the last one and order maintained for compatibility 81 */ 82 #define BUS_USER_BUFFER (3*1024) 83 struct u_device { 84 uintptr_t dv_handle; 85 uintptr_t dv_parent; 86 uint32_t dv_devflags; /**< @brief API Flags for device */ 87 uint16_t dv_flags; /**< @brief flags for dev state */ 88 device_state_t dv_state; /**< @brief State of attachment */ 89 char dv_fields[BUS_USER_BUFFER]; /**< @brief NUL terminated fields */ 90 /* name (name of the device in tree) */ 91 /* desc (driver description) */ 92 /* drivername (Name of driver without unit number) */ 93 /* pnpinfo (Plug and play information from bus) */ 94 /* location (Location of device on parent */ 95 /* NUL */ 96 }; 97 98 /* Flags exported via dv_flags. */ 99 #define DF_ENABLED 0x01 /* device should be probed/attached */ 100 #define DF_FIXEDCLASS 0x02 /* devclass specified at create time */ 101 #define DF_WILDCARD 0x04 /* unit was originally wildcard */ 102 #define DF_DESCMALLOCED 0x08 /* description was malloced */ 103 #define DF_QUIET 0x10 /* don't print verbose attach message */ 104 #define DF_DONENOMATCH 0x20 /* don't execute DEVICE_NOMATCH again */ 105 #define DF_EXTERNALSOFTC 0x40 /* softc not allocated by us */ 106 #define DF_SUSPENDED 0x100 /* Device is suspended. */ 107 #define DF_QUIET_CHILDREN 0x200 /* Default to quiet for all my children */ 108 #define DF_ATTACHED_ONCE 0x400 /* Has been attached at least once */ 109 #define DF_NEEDNOMATCH 0x800 /* Has a pending NOMATCH event */ 110 111 /** 112 * @brief Device request structure used for ioctl's. 113 * 114 * Used for ioctl's on /dev/devctl2. All device ioctl's 115 * must have parameter definitions which begin with dr_name. 116 */ 117 struct devreq_buffer { 118 void *buffer; 119 size_t length; 120 }; 121 122 struct devreq { 123 char dr_name[128]; 124 int dr_flags; /* request-specific flags */ 125 union { 126 struct devreq_buffer dru_buffer; 127 void *dru_data; 128 } dr_dru; 129 #define dr_buffer dr_dru.dru_buffer /* variable-sized buffer */ 130 #define dr_data dr_dru.dru_data /* fixed-size buffer */ 131 }; 132 133 #define DEV_ATTACH _IOW('D', 1, struct devreq) 134 #define DEV_DETACH _IOW('D', 2, struct devreq) 135 #define DEV_ENABLE _IOW('D', 3, struct devreq) 136 #define DEV_DISABLE _IOW('D', 4, struct devreq) 137 #define DEV_SUSPEND _IOW('D', 5, struct devreq) 138 #define DEV_RESUME _IOW('D', 6, struct devreq) 139 #define DEV_SET_DRIVER _IOW('D', 7, struct devreq) 140 #define DEV_CLEAR_DRIVER _IOW('D', 8, struct devreq) 141 #define DEV_RESCAN _IOW('D', 9, struct devreq) 142 #define DEV_DELETE _IOW('D', 10, struct devreq) 143 #define DEV_FREEZE _IOW('D', 11, struct devreq) 144 #define DEV_THAW _IOW('D', 12, struct devreq) 145 #define DEV_RESET _IOW('D', 13, struct devreq) 146 #define DEV_GET_PATH _IOWR('D', 14, struct devreq) 147 148 /* Flags for DEV_DETACH and DEV_DISABLE. */ 149 #define DEVF_FORCE_DETACH 0x0000001 150 151 /* Flags for DEV_SET_DRIVER. */ 152 #define DEVF_SET_DRIVER_DETACH 0x0000001 /* Detach existing driver. */ 153 154 /* Flags for DEV_CLEAR_DRIVER. */ 155 #define DEVF_CLEAR_DRIVER_DETACH 0x0000001 /* Detach existing driver. */ 156 157 /* Flags for DEV_DELETE. */ 158 #define DEVF_FORCE_DELETE 0x0000001 159 160 /* Flags for DEV_RESET */ 161 #define DEVF_RESET_DETACH 0x0000001 /* Detach drivers vs suspend 162 device */ 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_MD1 = 4096, /* flag reserved for MD use */ 281 INTR_MD2 = 8192, /* flag reserved for MD use */ 282 INTR_MD3 = 16384, /* flag reserved for MD use */ 283 INTR_MD4 = 32768 /* flag reserved for MD use */ 284 }; 285 286 enum intr_trigger { 287 INTR_TRIGGER_INVALID = -1, 288 INTR_TRIGGER_CONFORM = 0, 289 INTR_TRIGGER_EDGE = 1, 290 INTR_TRIGGER_LEVEL = 2 291 }; 292 293 enum intr_polarity { 294 INTR_POLARITY_CONFORM = 0, 295 INTR_POLARITY_HIGH = 1, 296 INTR_POLARITY_LOW = 2 297 }; 298 299 /** 300 * CPU sets supported by bus_get_cpus(). Note that not all sets may be 301 * supported for a given device. If a request is not supported by a 302 * device (or its parents), then bus_get_cpus() will fail with EINVAL. 303 */ 304 enum cpu_sets { 305 LOCAL_CPUS = 0, 306 INTR_CPUS 307 }; 308 309 typedef int (*devop_t)(void); 310 311 /** 312 * @brief This structure is deprecated. 313 * 314 * Use the kobj(9) macro DEFINE_CLASS to 315 * declare classes which implement device drivers. 316 */ 317 struct driver { 318 KOBJ_CLASS_FIELDS; 319 }; 320 321 /** 322 * @brief A resource mapping. 323 */ 324 struct resource_map { 325 bus_space_tag_t r_bustag; 326 bus_space_handle_t r_bushandle; 327 bus_size_t r_size; 328 void *r_vaddr; 329 }; 330 331 /** 332 * @brief Optional properties of a resource mapping request. 333 */ 334 struct resource_map_request { 335 size_t size; 336 rman_res_t offset; 337 rman_res_t length; 338 vm_memattr_t memattr; 339 }; 340 341 void resource_init_map_request_impl(struct resource_map_request *_args, 342 size_t _sz); 343 #define resource_init_map_request(rmr) \ 344 resource_init_map_request_impl((rmr), sizeof(*(rmr))) 345 346 /* 347 * Definitions for drivers which need to keep simple lists of resources 348 * for their child devices. 349 */ 350 struct resource; 351 352 /** 353 * @brief An entry for a single resource in a resource list. 354 */ 355 struct resource_list_entry { 356 STAILQ_ENTRY(resource_list_entry) link; 357 int type; /**< @brief type argument to alloc_resource */ 358 int rid; /**< @brief resource identifier */ 359 int flags; /**< @brief resource flags */ 360 struct resource *res; /**< @brief the real resource when allocated */ 361 rman_res_t start; /**< @brief start of resource range */ 362 rman_res_t end; /**< @brief end of resource range */ 363 rman_res_t count; /**< @brief count within range */ 364 }; 365 STAILQ_HEAD(resource_list, resource_list_entry); 366 367 #define RLE_RESERVED 0x0001 /* Reserved by the parent bus. */ 368 #define RLE_ALLOCATED 0x0002 /* Reserved resource is allocated. */ 369 #define RLE_PREFETCH 0x0004 /* Resource is a prefetch range. */ 370 371 void resource_list_init(struct resource_list *rl); 372 void resource_list_free(struct resource_list *rl); 373 struct resource_list_entry * 374 resource_list_add(struct resource_list *rl, 375 int type, int rid, 376 rman_res_t start, rman_res_t end, rman_res_t count); 377 int resource_list_add_next(struct resource_list *rl, 378 int type, 379 rman_res_t start, rman_res_t end, rman_res_t count); 380 int resource_list_busy(struct resource_list *rl, 381 int type, int rid); 382 int resource_list_reserved(struct resource_list *rl, int type, int rid); 383 struct resource_list_entry* 384 resource_list_find(struct resource_list *rl, 385 int type, int rid); 386 void resource_list_delete(struct resource_list *rl, 387 int type, int rid); 388 struct resource * 389 resource_list_alloc(struct resource_list *rl, 390 device_t bus, device_t child, 391 int type, int *rid, 392 rman_res_t start, rman_res_t end, 393 rman_res_t count, u_int flags); 394 int resource_list_release(struct resource_list *rl, 395 device_t bus, device_t child, 396 int type, int rid, struct resource *res); 397 int resource_list_release_active(struct resource_list *rl, 398 device_t bus, device_t child, 399 int type); 400 struct resource * 401 resource_list_reserve(struct resource_list *rl, 402 device_t bus, device_t child, 403 int type, int *rid, 404 rman_res_t start, rman_res_t end, 405 rman_res_t count, u_int flags); 406 int resource_list_unreserve(struct resource_list *rl, 407 device_t bus, device_t child, 408 int type, int rid); 409 void resource_list_purge(struct resource_list *rl); 410 int resource_list_print_type(struct resource_list *rl, 411 const char *name, int type, 412 const char *format); 413 414 /* 415 * The root bus, to which all top-level buses are attached. 416 */ 417 extern device_t root_bus; 418 extern devclass_t root_devclass; 419 void root_bus_configure(void); 420 421 /* 422 * Useful functions for implementing buses. 423 */ 424 425 struct _cpuset; 426 427 int bus_generic_activate_resource(device_t dev, device_t child, int type, 428 int rid, struct resource *r); 429 device_t 430 bus_generic_add_child(device_t dev, u_int order, const char *name, 431 int unit); 432 int bus_generic_adjust_resource(device_t bus, device_t child, int type, 433 struct resource *r, rman_res_t start, 434 rman_res_t end); 435 struct resource * 436 bus_generic_alloc_resource(device_t bus, device_t child, int type, 437 int *rid, rman_res_t start, rman_res_t end, 438 rman_res_t count, u_int flags); 439 int bus_generic_translate_resource(device_t dev, int type, rman_res_t start, 440 rman_res_t *newstart); 441 int bus_generic_attach(device_t dev); 442 int bus_generic_bind_intr(device_t dev, device_t child, 443 struct resource *irq, int cpu); 444 int bus_generic_child_location(device_t dev, device_t child, struct sbuf *sb); 445 int bus_generic_child_pnpinfo(device_t dev, device_t child, struct sbuf *sb); 446 int bus_generic_child_present(device_t dev, device_t child); 447 int bus_generic_config_intr(device_t, int, enum intr_trigger, 448 enum intr_polarity); 449 int bus_generic_describe_intr(device_t dev, device_t child, 450 struct resource *irq, void *cookie, 451 const char *descr); 452 int bus_generic_deactivate_resource(device_t dev, device_t child, int type, 453 int rid, struct resource *r); 454 int bus_generic_detach(device_t dev); 455 void bus_generic_driver_added(device_t dev, driver_t *driver); 456 int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op, 457 size_t setsize, struct _cpuset *cpuset); 458 bus_dma_tag_t 459 bus_generic_get_dma_tag(device_t dev, device_t child); 460 bus_space_tag_t 461 bus_generic_get_bus_tag(device_t dev, device_t child); 462 int bus_generic_get_domain(device_t dev, device_t child, int *domain); 463 ssize_t bus_generic_get_property(device_t dev, device_t child, 464 const char *propname, void *propvalue, 465 size_t size, device_property_type_t type); 466 struct resource_list * 467 bus_generic_get_resource_list(device_t, device_t); 468 int bus_generic_map_resource(device_t dev, device_t child, int type, 469 struct resource *r, 470 struct resource_map_request *args, 471 struct resource_map *map); 472 void bus_generic_new_pass(device_t dev); 473 int bus_print_child_header(device_t dev, device_t child); 474 int bus_print_child_domain(device_t dev, device_t child); 475 int bus_print_child_footer(device_t dev, device_t child); 476 int bus_generic_print_child(device_t dev, device_t child); 477 int bus_generic_probe(device_t dev); 478 int bus_generic_read_ivar(device_t dev, device_t child, int which, 479 uintptr_t *result); 480 int bus_generic_release_resource(device_t bus, device_t child, 481 int type, int rid, struct resource *r); 482 int bus_generic_resume(device_t dev); 483 int bus_generic_resume_child(device_t dev, device_t child); 484 int bus_generic_setup_intr(device_t dev, device_t child, 485 struct resource *irq, int flags, 486 driver_filter_t *filter, driver_intr_t *intr, 487 void *arg, void **cookiep); 488 489 struct resource * 490 bus_generic_rl_alloc_resource (device_t, device_t, int, int *, 491 rman_res_t, rman_res_t, rman_res_t, u_int); 492 void bus_generic_rl_delete_resource (device_t, device_t, int, int); 493 int bus_generic_rl_get_resource (device_t, device_t, int, int, rman_res_t *, 494 rman_res_t *); 495 int bus_generic_rl_set_resource (device_t, device_t, int, int, rman_res_t, 496 rman_res_t); 497 int bus_generic_rl_release_resource (device_t, device_t, int, int, 498 struct resource *); 499 500 int bus_generic_shutdown(device_t dev); 501 int bus_generic_suspend(device_t dev); 502 int bus_generic_suspend_child(device_t dev, device_t child); 503 int bus_generic_teardown_intr(device_t dev, device_t child, 504 struct resource *irq, void *cookie); 505 int bus_generic_suspend_intr(device_t dev, device_t child, 506 struct resource *irq); 507 int bus_generic_resume_intr(device_t dev, device_t child, 508 struct resource *irq); 509 int bus_generic_unmap_resource(device_t dev, device_t child, int type, 510 struct resource *r, 511 struct resource_map *map); 512 int bus_generic_write_ivar(device_t dev, device_t child, int which, 513 uintptr_t value); 514 int bus_generic_get_device_path(device_t bus, device_t child, const char *locator, 515 struct sbuf *sb); 516 int bus_helper_reset_post(device_t dev, int flags); 517 int bus_helper_reset_prepare(device_t dev, int flags); 518 int bus_null_rescan(device_t dev); 519 520 /* 521 * Wrapper functions for the BUS_*_RESOURCE methods to make client code 522 * a little simpler. 523 */ 524 525 struct resource_spec { 526 int type; 527 int rid; 528 int flags; 529 }; 530 #define RESOURCE_SPEC_END {-1, 0, 0} 531 532 int bus_alloc_resources(device_t dev, struct resource_spec *rs, 533 struct resource **res); 534 void bus_release_resources(device_t dev, const struct resource_spec *rs, 535 struct resource **res); 536 537 int bus_adjust_resource(device_t child, int type, struct resource *r, 538 rman_res_t start, rman_res_t end); 539 int bus_translate_resource(device_t child, int type, rman_res_t start, 540 rman_res_t *newstart); 541 struct resource *bus_alloc_resource(device_t dev, int type, int *rid, 542 rman_res_t start, rman_res_t end, 543 rman_res_t count, u_int flags); 544 int bus_activate_resource(device_t dev, int type, int rid, 545 struct resource *r); 546 int bus_deactivate_resource(device_t dev, int type, int rid, 547 struct resource *r); 548 int bus_map_resource(device_t dev, int type, struct resource *r, 549 struct resource_map_request *args, 550 struct resource_map *map); 551 int bus_unmap_resource(device_t dev, int type, struct resource *r, 552 struct resource_map *map); 553 int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize, 554 struct _cpuset *cpuset); 555 bus_dma_tag_t bus_get_dma_tag(device_t dev); 556 bus_space_tag_t bus_get_bus_tag(device_t dev); 557 int bus_get_domain(device_t dev, int *domain); 558 int bus_release_resource(device_t dev, int type, int rid, 559 struct resource *r); 560 int bus_free_resource(device_t dev, int type, struct resource *r); 561 int bus_setup_intr(device_t dev, struct resource *r, int flags, 562 driver_filter_t filter, driver_intr_t handler, 563 void *arg, void **cookiep); 564 int bus_teardown_intr(device_t dev, struct resource *r, void *cookie); 565 int bus_suspend_intr(device_t dev, struct resource *r); 566 int bus_resume_intr(device_t dev, struct resource *r); 567 int bus_bind_intr(device_t dev, struct resource *r, int cpu); 568 int bus_describe_intr(device_t dev, struct resource *irq, void *cookie, 569 const char *fmt, ...) __printflike(4, 5); 570 int bus_set_resource(device_t dev, int type, int rid, 571 rman_res_t start, rman_res_t count); 572 int bus_get_resource(device_t dev, int type, int rid, 573 rman_res_t *startp, rman_res_t *countp); 574 rman_res_t bus_get_resource_start(device_t dev, int type, int rid); 575 rman_res_t bus_get_resource_count(device_t dev, int type, int rid); 576 void bus_delete_resource(device_t dev, int type, int rid); 577 int bus_child_present(device_t child); 578 int bus_child_pnpinfo(device_t child, struct sbuf *sb); 579 int bus_child_location(device_t child, struct sbuf *sb); 580 void bus_enumerate_hinted_children(device_t bus); 581 int bus_delayed_attach_children(device_t bus); 582 583 static __inline struct resource * 584 bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags) 585 { 586 return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags)); 587 } 588 589 static __inline struct resource * 590 bus_alloc_resource_anywhere(device_t dev, int type, int *rid, 591 rman_res_t count, u_int flags) 592 { 593 return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags)); 594 } 595 596 /* 597 * Access functions for device. 598 */ 599 device_t device_add_child(device_t dev, const char *name, int unit); 600 device_t device_add_child_ordered(device_t dev, u_int order, 601 const char *name, int unit); 602 void device_busy(device_t dev); 603 int device_delete_child(device_t dev, device_t child); 604 int device_delete_children(device_t dev); 605 int device_attach(device_t dev); 606 int device_detach(device_t dev); 607 void device_disable(device_t dev); 608 void device_enable(device_t dev); 609 device_t device_find_child(device_t dev, const char *classname, 610 int unit); 611 const char *device_get_desc(device_t dev); 612 devclass_t device_get_devclass(device_t dev); 613 driver_t *device_get_driver(device_t dev); 614 u_int32_t device_get_flags(device_t dev); 615 device_t device_get_parent(device_t dev); 616 int device_get_children(device_t dev, device_t **listp, int *countp); 617 void *device_get_ivars(device_t dev); 618 void device_set_ivars(device_t dev, void *ivars); 619 const char *device_get_name(device_t dev); 620 const char *device_get_nameunit(device_t dev); 621 void *device_get_softc(device_t dev); 622 device_state_t device_get_state(device_t dev); 623 int device_get_unit(device_t dev); 624 struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev); 625 struct sysctl_oid *device_get_sysctl_tree(device_t dev); 626 int device_has_quiet_children(device_t dev); 627 int device_is_alive(device_t dev); /* did probe succeed? */ 628 int device_is_attached(device_t dev); /* did attach succeed? */ 629 int device_is_enabled(device_t dev); 630 int device_is_suspended(device_t dev); 631 int device_is_quiet(device_t dev); 632 device_t device_lookup_by_name(const char *name); 633 int device_print_prettyname(device_t dev); 634 int device_printf(device_t dev, const char *, ...) __printflike(2, 3); 635 int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4); 636 int device_probe(device_t dev); 637 int device_probe_and_attach(device_t dev); 638 int device_probe_child(device_t bus, device_t dev); 639 int device_quiesce(device_t dev); 640 void device_quiet(device_t dev); 641 void device_quiet_children(device_t dev); 642 void device_set_desc(device_t dev, const char* desc); 643 void device_set_desc_copy(device_t dev, const char* desc); 644 int device_set_devclass(device_t dev, const char *classname); 645 int device_set_devclass_fixed(device_t dev, const char *classname); 646 bool device_is_devclass_fixed(device_t dev); 647 int device_set_driver(device_t dev, driver_t *driver); 648 void device_set_flags(device_t dev, u_int32_t flags); 649 void device_set_softc(device_t dev, void *softc); 650 void device_free_softc(void *softc); 651 void device_claim_softc(device_t dev); 652 int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */ 653 int device_shutdown(device_t dev); 654 void device_unbusy(device_t dev); 655 void device_verbose(device_t dev); 656 ssize_t device_get_property(device_t dev, const char *prop, void *val, 657 size_t sz, device_property_type_t type); 658 bool device_has_property(device_t dev, const char *prop); 659 660 /* 661 * Access functions for devclass. 662 */ 663 int devclass_add_driver(devclass_t dc, driver_t *driver, 664 int pass, devclass_t *dcp); 665 devclass_t devclass_create(const char *classname); 666 int devclass_delete_driver(devclass_t busclass, driver_t *driver); 667 devclass_t devclass_find(const char *classname); 668 const char *devclass_get_name(devclass_t dc); 669 device_t devclass_get_device(devclass_t dc, int unit); 670 void *devclass_get_softc(devclass_t dc, int unit); 671 int devclass_get_devices(devclass_t dc, device_t **listp, int *countp); 672 int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp); 673 int devclass_get_count(devclass_t dc); 674 int devclass_get_maxunit(devclass_t dc); 675 int devclass_find_free_unit(devclass_t dc, int unit); 676 void devclass_set_parent(devclass_t dc, devclass_t pdc); 677 devclass_t devclass_get_parent(devclass_t dc); 678 struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc); 679 struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc); 680 681 /* 682 * Access functions for device resources. 683 */ 684 int resource_int_value(const char *name, int unit, const char *resname, 685 int *result); 686 int resource_long_value(const char *name, int unit, const char *resname, 687 long *result); 688 int resource_string_value(const char *name, int unit, const char *resname, 689 const char **result); 690 int resource_disabled(const char *name, int unit); 691 int resource_find_match(int *anchor, const char **name, int *unit, 692 const char *resname, const char *value); 693 int resource_find_dev(int *anchor, const char *name, int *unit, 694 const char *resname, const char *value); 695 int resource_unset_value(const char *name, int unit, const char *resname); 696 697 /* 698 * Functions for maintaining and checking consistency of 699 * bus information exported to userspace. 700 */ 701 int bus_data_generation_check(int generation); 702 void bus_data_generation_update(void); 703 704 /** 705 * Some convenience defines for probe routines to return. These are just 706 * suggested values, and there's nothing magical about them. 707 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no 708 * possible other driver may exist (typically legacy drivers who don't follow 709 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the 710 * suggested value that vendor supplied drivers use. This is for source or 711 * binary drivers that are not yet integrated into the FreeBSD tree. Its use 712 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value 713 * for drivers to use. It is intended that nearly all of the drivers in the 714 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that 715 * have special requirements like when there are two drivers that support 716 * overlapping series of hardware devices. In this case the one that supports 717 * the older part of the line would return this value, while the one that 718 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC 719 * is for drivers that wish to have a generic form and a specialized form, 720 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is 721 * for those buses that implement a generic device placeholder for devices on 722 * the bus that have no more specific driver for them (aka ugen). 723 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding 724 * for a device node, but accepts only devices that its parent has told it 725 * use this driver. 726 */ 727 #define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */ 728 #define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */ 729 #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */ 730 #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */ 731 #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */ 732 #define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */ 733 #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */ 734 735 /** 736 * During boot, the device tree is scanned multiple times. Each scan, 737 * or pass, drivers may be attached to devices. Each driver 738 * attachment is assigned a pass number. Drivers may only probe and 739 * attach to devices if their pass number is less than or equal to the 740 * current system-wide pass number. The default pass is the last pass 741 * and is used by most drivers. Drivers needed by the scheduler are 742 * probed in earlier passes. 743 */ 744 #define BUS_PASS_ROOT 0 /* Used to attach root0. */ 745 #define BUS_PASS_BUS 10 /* Buses and bridges. */ 746 #define BUS_PASS_CPU 20 /* CPU devices. */ 747 #define BUS_PASS_RESOURCE 30 /* Resource discovery. */ 748 #define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */ 749 #define BUS_PASS_TIMER 50 /* Timers and clocks. */ 750 #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */ 751 #define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */ 752 #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */ 753 754 #define BUS_PASS_ORDER_FIRST 0 755 #define BUS_PASS_ORDER_EARLY 2 756 #define BUS_PASS_ORDER_MIDDLE 5 757 #define BUS_PASS_ORDER_LATE 7 758 #define BUS_PASS_ORDER_LAST 9 759 760 #define BUS_LOCATOR_ACPI "ACPI" 761 #define BUS_LOCATOR_FREEBSD "FreeBSD" 762 #define BUS_LOCATOR_UEFI "UEFI" 763 764 extern int bus_current_pass; 765 766 void bus_set_pass(int pass); 767 768 /** 769 * Routines to lock / unlock the newbus lock. 770 * Must be taken out to interact with newbus. 771 */ 772 void bus_topo_lock(void); 773 void bus_topo_unlock(void); 774 struct mtx * bus_topo_mtx(void); 775 void bus_topo_assert(void); 776 777 /** 778 * Shorthands for constructing method tables. 779 */ 780 #define DEVMETHOD KOBJMETHOD 781 #define DEVMETHOD_END KOBJMETHOD_END 782 783 /* 784 * Some common device interfaces. 785 */ 786 #include "device_if.h" 787 #include "bus_if.h" 788 789 struct module; 790 791 int driver_module_handler(struct module *, int, void *); 792 793 /** 794 * Module support for automatically adding drivers to buses. 795 */ 796 struct driver_module_data { 797 int (*dmd_chainevh)(struct module *, int, void *); 798 void *dmd_chainarg; 799 const char *dmd_busname; 800 kobj_class_t dmd_driver; 801 devclass_t *dmd_devclass; 802 int dmd_pass; 803 }; 804 805 #define EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 806 order, pass) \ 807 \ 808 static struct driver_module_data name##_##busname##_driver_mod = { \ 809 evh, arg, \ 810 #busname, \ 811 (kobj_class_t) &driver, \ 812 NULL, \ 813 pass \ 814 }; \ 815 \ 816 static moduledata_t name##_##busname##_mod = { \ 817 #busname "/" #name, \ 818 driver_module_handler, \ 819 &name##_##busname##_driver_mod \ 820 }; \ 821 DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \ 822 SI_SUB_DRIVERS, order) 823 824 #define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \ 825 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 826 SI_ORDER_MIDDLE, pass) 827 828 #define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \ 829 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 830 order, BUS_PASS_DEFAULT) 831 832 #define DRIVER_MODULE(name, busname, driver, evh, arg) \ 833 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \ 834 BUS_PASS_DEFAULT) 835 836 /** 837 * Generic ivar accessor generation macros for bus drivers 838 */ 839 #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 840 \ 841 static __inline type varp ## _get_ ## var(device_t dev) \ 842 { \ 843 uintptr_t v; \ 844 int e __diagused; \ 845 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 846 ivarp ## _IVAR_ ## ivar, &v); \ 847 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 848 __func__, device_get_nameunit(dev), \ 849 device_get_nameunit(device_get_parent(dev)), e)); \ 850 return ((type) v); \ 851 } \ 852 \ 853 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 854 { \ 855 uintptr_t v = (uintptr_t) t; \ 856 int e __diagused; \ 857 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 858 ivarp ## _IVAR_ ## ivar, v); \ 859 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 860 __func__, device_get_nameunit(dev), \ 861 device_get_nameunit(device_get_parent(dev)), e)); \ 862 } 863 864 struct device_location_cache; 865 typedef struct device_location_cache device_location_cache_t; 866 device_location_cache_t *dev_wired_cache_init(void); 867 void dev_wired_cache_fini(device_location_cache_t *dcp); 868 bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at); 869 870 871 /** 872 * Shorthand macros, taking resource argument 873 * Generated with sys/tools/bus_macro.sh 874 */ 875 876 #define bus_barrier(r, o, l, f) \ 877 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f)) 878 #define bus_poke_1(r, o, v) \ 879 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 880 #define bus_peek_1(r, o, vp) \ 881 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 882 #define bus_read_1(r, o) \ 883 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o)) 884 #define bus_read_multi_1(r, o, d, c) \ 885 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 886 #define bus_read_region_1(r, o, d, c) \ 887 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 888 #define bus_set_multi_1(r, o, v, c) \ 889 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 890 #define bus_set_region_1(r, o, v, c) \ 891 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 892 #define bus_write_1(r, o, v) \ 893 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 894 #define bus_write_multi_1(r, o, d, c) \ 895 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 896 #define bus_write_region_1(r, o, d, c) \ 897 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 898 #define bus_read_stream_1(r, o) \ 899 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o)) 900 #define bus_read_multi_stream_1(r, o, d, c) \ 901 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 902 #define bus_read_region_stream_1(r, o, d, c) \ 903 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 904 #define bus_set_multi_stream_1(r, o, v, c) \ 905 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 906 #define bus_set_region_stream_1(r, o, v, c) \ 907 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 908 #define bus_write_stream_1(r, o, v) \ 909 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 910 #define bus_write_multi_stream_1(r, o, d, c) \ 911 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 912 #define bus_write_region_stream_1(r, o, d, c) \ 913 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 914 #define bus_poke_2(r, o, v) \ 915 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 916 #define bus_peek_2(r, o, vp) \ 917 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 918 #define bus_read_2(r, o) \ 919 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o)) 920 #define bus_read_multi_2(r, o, d, c) \ 921 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 922 #define bus_read_region_2(r, o, d, c) \ 923 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 924 #define bus_set_multi_2(r, o, v, c) \ 925 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 926 #define bus_set_region_2(r, o, v, c) \ 927 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 928 #define bus_write_2(r, o, v) \ 929 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 930 #define bus_write_multi_2(r, o, d, c) \ 931 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 932 #define bus_write_region_2(r, o, d, c) \ 933 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 934 #define bus_read_stream_2(r, o) \ 935 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o)) 936 #define bus_read_multi_stream_2(r, o, d, c) \ 937 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 938 #define bus_read_region_stream_2(r, o, d, c) \ 939 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 940 #define bus_set_multi_stream_2(r, o, v, c) \ 941 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 942 #define bus_set_region_stream_2(r, o, v, c) \ 943 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 944 #define bus_write_stream_2(r, o, v) \ 945 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 946 #define bus_write_multi_stream_2(r, o, d, c) \ 947 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 948 #define bus_write_region_stream_2(r, o, d, c) \ 949 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 950 #define bus_poke_4(r, o, v) \ 951 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 952 #define bus_peek_4(r, o, vp) \ 953 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 954 #define bus_read_4(r, o) \ 955 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o)) 956 #define bus_read_multi_4(r, o, d, c) \ 957 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 958 #define bus_read_region_4(r, o, d, c) \ 959 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 960 #define bus_set_multi_4(r, o, v, c) \ 961 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 962 #define bus_set_region_4(r, o, v, c) \ 963 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 964 #define bus_write_4(r, o, v) \ 965 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 966 #define bus_write_multi_4(r, o, d, c) \ 967 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 968 #define bus_write_region_4(r, o, d, c) \ 969 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 970 #define bus_read_stream_4(r, o) \ 971 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o)) 972 #define bus_read_multi_stream_4(r, o, d, c) \ 973 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 974 #define bus_read_region_stream_4(r, o, d, c) \ 975 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 976 #define bus_set_multi_stream_4(r, o, v, c) \ 977 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 978 #define bus_set_region_stream_4(r, o, v, c) \ 979 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 980 #define bus_write_stream_4(r, o, v) \ 981 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 982 #define bus_write_multi_stream_4(r, o, d, c) \ 983 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 984 #define bus_write_region_stream_4(r, o, d, c) \ 985 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 986 #define bus_poke_8(r, o, v) \ 987 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 988 #define bus_peek_8(r, o, vp) \ 989 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 990 #define bus_read_8(r, o) \ 991 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o)) 992 #define bus_read_multi_8(r, o, d, c) \ 993 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 994 #define bus_read_region_8(r, o, d, c) \ 995 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 996 #define bus_set_multi_8(r, o, v, c) \ 997 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 998 #define bus_set_region_8(r, o, v, c) \ 999 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1000 #define bus_write_8(r, o, v) \ 1001 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1002 #define bus_write_multi_8(r, o, d, c) \ 1003 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1004 #define bus_write_region_8(r, o, d, c) \ 1005 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1006 #define bus_read_stream_8(r, o) \ 1007 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o)) 1008 #define bus_read_multi_stream_8(r, o, d, c) \ 1009 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1010 #define bus_read_region_stream_8(r, o, d, c) \ 1011 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1012 #define bus_set_multi_stream_8(r, o, v, c) \ 1013 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1014 #define bus_set_region_stream_8(r, o, v, c) \ 1015 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1016 #define bus_write_stream_8(r, o, v) \ 1017 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1018 #define bus_write_multi_stream_8(r, o, d, c) \ 1019 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1020 #define bus_write_region_stream_8(r, o, d, c) \ 1021 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1022 #endif /* _KERNEL */ 1023 1024 #endif /* !_SYS_BUS_H_ */ 1025