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 * Bus drivers may maintain a set of bus-specific instance variables 302 * for each child device. The BUS_READ_IVAR/BUS_WRITE_IVAR API can be 303 * used to access these variables using an index value. Some index 304 * values are private to a single bus and should be defined in the 305 * private range. Other index values are shared by multiple busses 306 * and must have the same meaning in all bus drivers. 307 */ 308 309 #define BUS_IVARS_PRIVATE 0x0 /* private variables */ 310 #define BUS_IVARS_ACPI 0x100 311 #define BUS_IVARS_GIC 0x200 312 #define BUS_IVARS_GPIOBUS 0x300 313 #define BUS_IVARS_SUPERIO 0x400 314 315 /** 316 * CPU sets supported by bus_get_cpus(). Note that not all sets may be 317 * supported for a given device. If a request is not supported by a 318 * device (or its parents), then bus_get_cpus() will fail with EINVAL. 319 */ 320 enum cpu_sets { 321 LOCAL_CPUS = 0, 322 INTR_CPUS 323 }; 324 325 struct resource; 326 327 /** 328 * @brief A resource mapping. 329 */ 330 struct resource_map { 331 bus_space_tag_t r_bustag; 332 bus_space_handle_t r_bushandle; 333 bus_size_t r_size; 334 void *r_vaddr; 335 }; 336 337 /** 338 * @brief Optional properties of a resource mapping request. 339 */ 340 struct resource_map_request { 341 size_t size; 342 rman_res_t offset; 343 rman_res_t length; 344 vm_memattr_t memattr; 345 }; 346 347 void resource_init_map_request_impl(struct resource_map_request *_args, 348 size_t _sz); 349 #define resource_init_map_request(rmr) \ 350 resource_init_map_request_impl((rmr), sizeof(*(rmr))) 351 int resource_validate_map_request(struct resource *r, 352 struct resource_map_request *in, struct resource_map_request *out, 353 rman_res_t *startp, rman_res_t *lengthp); 354 355 /* 356 * Definitions for drivers which need to keep simple lists of resources 357 * for their child devices. 358 */ 359 360 /** 361 * @brief An entry for a single resource in a resource list. 362 */ 363 struct resource_list_entry { 364 STAILQ_ENTRY(resource_list_entry) link; 365 int type; /**< @brief type argument to alloc_resource */ 366 int rid; /**< @brief resource identifier */ 367 int flags; /**< @brief resource flags */ 368 struct resource *res; /**< @brief the real resource when allocated */ 369 rman_res_t start; /**< @brief start of resource range */ 370 rman_res_t end; /**< @brief end of resource range */ 371 rman_res_t count; /**< @brief count within range */ 372 }; 373 STAILQ_HEAD(resource_list, resource_list_entry); 374 375 #define RLE_RESERVED 0x0001 /* Reserved by the parent bus. */ 376 #define RLE_ALLOCATED 0x0002 /* Reserved resource is allocated. */ 377 #define RLE_PREFETCH 0x0004 /* Resource is a prefetch range. */ 378 379 void resource_list_init(struct resource_list *rl); 380 void resource_list_free(struct resource_list *rl); 381 struct resource_list_entry * 382 resource_list_add(struct resource_list *rl, 383 int type, int rid, 384 rman_res_t start, rman_res_t end, rman_res_t count); 385 int resource_list_add_next(struct resource_list *rl, 386 int type, 387 rman_res_t start, rman_res_t end, rman_res_t count); 388 int resource_list_busy(struct resource_list *rl, 389 int type, int rid); 390 int resource_list_reserved(struct resource_list *rl, int type, int rid); 391 struct resource_list_entry* 392 resource_list_find(struct resource_list *rl, 393 int type, int rid); 394 void resource_list_delete(struct resource_list *rl, 395 int type, int rid); 396 struct resource * 397 resource_list_alloc(struct resource_list *rl, 398 device_t bus, device_t child, 399 int type, int rid, 400 rman_res_t start, rman_res_t end, 401 rman_res_t count, u_int flags); 402 int resource_list_release(struct resource_list *rl, 403 device_t bus, device_t child, 404 struct resource *res); 405 int resource_list_release_active(struct resource_list *rl, 406 device_t bus, device_t child, 407 int type); 408 struct resource * 409 resource_list_reserve(struct resource_list *rl, 410 device_t bus, device_t child, 411 int type, int rid, 412 rman_res_t start, rman_res_t end, 413 rman_res_t count, u_int flags); 414 int resource_list_unreserve(struct resource_list *rl, 415 device_t bus, device_t child, 416 int type, int rid); 417 void resource_list_purge(struct resource_list *rl); 418 int resource_list_print_type(struct resource_list *rl, 419 const char *name, int type, 420 const char *format); 421 422 /* 423 * The root bus, to which all top-level buses are attached. 424 */ 425 extern device_t root_bus; 426 extern devclass_t root_devclass; 427 void root_bus_configure(void); 428 429 /* 430 * Useful functions for implementing buses. 431 */ 432 433 struct _cpuset; 434 435 int bus_generic_activate_resource(device_t dev, device_t child, 436 struct resource *r); 437 device_t 438 bus_generic_add_child(device_t dev, u_int order, const char *name, 439 int unit); 440 int bus_generic_adjust_resource(device_t bus, device_t child, 441 struct resource *r, rman_res_t start, 442 rman_res_t end); 443 struct resource * 444 bus_generic_alloc_resource(device_t bus, device_t child, int type, 445 int rid, rman_res_t start, rman_res_t end, 446 rman_res_t count, u_int flags); 447 int bus_generic_translate_resource(device_t dev, int type, rman_res_t start, 448 rman_res_t *newstart); 449 int bus_generic_attach(device_t dev) 450 __deprecated1("Use bus_attach_children instead"); 451 int bus_generic_bind_intr(device_t dev, device_t child, 452 struct resource *irq, int cpu); 453 int bus_generic_child_location(device_t dev, device_t child, struct sbuf *sb); 454 int bus_generic_child_pnpinfo(device_t dev, device_t child, struct sbuf *sb); 455 int bus_generic_child_present(device_t dev, device_t child); 456 int bus_generic_config_intr(device_t, int, enum intr_trigger, 457 enum intr_polarity); 458 int bus_generic_describe_intr(device_t dev, device_t child, 459 struct resource *irq, void *cookie, 460 const char *descr); 461 int bus_generic_deactivate_resource(device_t dev, device_t child, 462 struct resource *r); 463 int bus_generic_detach(device_t dev); 464 void bus_generic_driver_added(device_t dev, driver_t *driver); 465 int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op, 466 size_t setsize, struct _cpuset *cpuset); 467 bus_dma_tag_t 468 bus_generic_get_dma_tag(device_t dev, device_t child); 469 bus_space_tag_t 470 bus_generic_get_bus_tag(device_t dev, device_t child); 471 int bus_generic_get_domain(device_t dev, device_t child, int *domain); 472 ssize_t bus_generic_get_property(device_t dev, device_t child, 473 const char *propname, void *propvalue, 474 size_t size, device_property_type_t type); 475 int bus_generic_map_resource(device_t dev, device_t child, 476 struct resource *r, 477 struct resource_map_request *args, 478 struct resource_map *map); 479 void bus_generic_new_pass(device_t dev); 480 int bus_print_child_header(device_t dev, device_t child); 481 int bus_print_child_domain(device_t dev, device_t child); 482 int bus_print_child_footer(device_t dev, device_t child); 483 int bus_generic_print_child(device_t dev, device_t child); 484 int bus_generic_probe(device_t dev) 485 __deprecated1("Use bus_identify_children instead"); 486 int bus_generic_read_ivar(device_t dev, device_t child, int which, 487 uintptr_t *result); 488 int bus_generic_release_resource(device_t bus, device_t child, 489 struct resource *r); 490 int bus_generic_resume(device_t dev); 491 int bus_generic_resume_child(device_t dev, device_t child); 492 int bus_generic_setup_intr(device_t dev, device_t child, 493 struct resource *irq, int flags, 494 driver_filter_t *filter, driver_intr_t *intr, 495 void *arg, void **cookiep); 496 497 struct resource * 498 bus_generic_rl_alloc_resource(device_t, device_t, int, int, 499 rman_res_t, rman_res_t, rman_res_t, u_int); 500 void bus_generic_rl_delete_resource(device_t, device_t, int, int); 501 int bus_generic_rl_get_resource(device_t, device_t, int, int, rman_res_t *, 502 rman_res_t *); 503 int bus_generic_rl_set_resource(device_t, device_t, int, int, rman_res_t, 504 rman_res_t); 505 int bus_generic_rl_release_resource(device_t, device_t, struct resource *); 506 struct resource * 507 bus_generic_rman_alloc_resource(device_t dev, device_t child, int type, 508 int rid, rman_res_t start, 509 rman_res_t end, rman_res_t count, 510 u_int flags); 511 int bus_generic_rman_adjust_resource(device_t dev, device_t child, 512 struct resource *r, rman_res_t start, 513 rman_res_t end); 514 int bus_generic_rman_release_resource(device_t dev, device_t child, 515 struct resource *r); 516 int bus_generic_rman_activate_resource(device_t dev, device_t child, 517 struct resource *r); 518 int bus_generic_rman_deactivate_resource(device_t dev, device_t child, 519 struct resource *r); 520 521 int bus_generic_shutdown(device_t dev); 522 int bus_generic_suspend(device_t dev); 523 int bus_generic_suspend_child(device_t dev, device_t child); 524 int bus_generic_teardown_intr(device_t dev, device_t child, 525 struct resource *irq, void *cookie); 526 int bus_generic_suspend_intr(device_t dev, device_t child, 527 struct resource *irq); 528 int bus_generic_resume_intr(device_t dev, device_t child, 529 struct resource *irq); 530 int bus_generic_unmap_resource(device_t dev, device_t child, 531 struct resource *r, 532 struct resource_map *map); 533 int bus_generic_write_ivar(device_t dev, device_t child, int which, 534 uintptr_t value); 535 int bus_generic_get_device_path(device_t bus, device_t child, const char *locator, 536 struct sbuf *sb); 537 int bus_helper_reset_post(device_t dev, int flags); 538 int bus_helper_reset_prepare(device_t dev, int flags); 539 int bus_null_rescan(device_t dev); 540 541 /* 542 * Wrapper functions for the BUS_*_RESOURCE methods to make client code 543 * a little simpler. 544 */ 545 546 struct resource_spec { 547 int type; 548 int rid; 549 int flags; 550 }; 551 #define RESOURCE_SPEC_END {-1, 0, 0} 552 553 int bus_alloc_resources(device_t dev, struct resource_spec *rs, 554 struct resource **res); 555 void bus_release_resources(device_t dev, const struct resource_spec *rs, 556 struct resource **res); 557 558 int bus_adjust_resource(device_t child, struct resource *r, 559 rman_res_t start, rman_res_t end); 560 int bus_translate_resource(device_t child, int type, rman_res_t start, 561 rman_res_t *newstart); 562 struct resource *bus_alloc_resource(device_t dev, int type, int rid, 563 rman_res_t start, rman_res_t end, 564 rman_res_t count, u_int flags); 565 int bus_activate_resource(device_t dev, struct resource *r); 566 int bus_deactivate_resource(device_t dev, struct resource *r); 567 int bus_map_resource(device_t dev, struct resource *r, 568 struct resource_map_request *args, 569 struct resource_map *map); 570 int bus_unmap_resource(device_t dev, struct resource *r, 571 struct resource_map *map); 572 int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize, 573 struct _cpuset *cpuset); 574 bus_dma_tag_t bus_get_dma_tag(device_t dev); 575 bus_space_tag_t bus_get_bus_tag(device_t dev); 576 int bus_get_domain(device_t dev, int *domain); 577 int bus_release_resource(device_t dev, struct resource *r); 578 int bus_free_resource(device_t dev, int type, struct resource *r); 579 int bus_setup_intr(device_t dev, struct resource *r, int flags, 580 driver_filter_t filter, driver_intr_t handler, 581 void *arg, void **cookiep); 582 int bus_teardown_intr(device_t dev, struct resource *r, void *cookie); 583 int bus_suspend_intr(device_t dev, struct resource *r); 584 int bus_resume_intr(device_t dev, struct resource *r); 585 int bus_bind_intr(device_t dev, struct resource *r, int cpu); 586 int bus_describe_intr(device_t dev, struct resource *irq, void *cookie, 587 const char *fmt, ...) __printflike(4, 5); 588 int bus_set_resource(device_t dev, int type, int rid, 589 rman_res_t start, rman_res_t count); 590 int bus_get_resource(device_t dev, int type, int rid, 591 rman_res_t *startp, rman_res_t *countp); 592 rman_res_t bus_get_resource_start(device_t dev, int type, int rid); 593 rman_res_t bus_get_resource_count(device_t dev, int type, int rid); 594 void bus_delete_resource(device_t dev, int type, int rid); 595 int bus_child_present(device_t child); 596 int bus_child_pnpinfo(device_t child, struct sbuf *sb); 597 int bus_child_location(device_t child, struct sbuf *sb); 598 599 void bus_attach_children(device_t dev); 600 void bus_delayed_attach_children(device_t bus); 601 int bus_detach_children(device_t dev); 602 void bus_enumerate_hinted_children(device_t bus); 603 void bus_identify_children(device_t dev); 604 605 static __inline struct resource * 606 bus_alloc_resource_any(device_t dev, int type, int rid, u_int flags) 607 { 608 return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags)); 609 } 610 611 static __inline struct resource * 612 bus_alloc_resource_anywhere(device_t dev, int type, int rid, 613 rman_res_t count, u_int flags) 614 { 615 return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags)); 616 } 617 618 /* Compat shims for bus_alloc_resource API. */ 619 static __inline struct resource * 620 bus_alloc_resource_var(device_t dev, int type, int *rid, rman_res_t start, 621 rman_res_t end, rman_res_t count, u_int flags) 622 { 623 return (bus_alloc_resource(dev, type, *rid, start, end, count, flags)); 624 } 625 626 static __inline struct resource * 627 bus_alloc_resource_any_var(device_t dev, int type, int *rid, u_int flags) 628 { 629 return (bus_alloc_resource(dev, type, *rid, 0, ~0, 1, flags)); 630 } 631 632 static __inline struct resource * 633 bus_alloc_resource_anywhere_var(device_t dev, int type, int *rid, 634 rman_res_t count, u_int flags) 635 { 636 return (bus_alloc_resource(dev, type, *rid, 0, ~0, count, flags)); 637 } 638 639 #define bus_alloc_resource(dev, type, rid, start, end, count, flags) \ 640 _Generic((rid), \ 641 int *: bus_alloc_resource_var, \ 642 unsigned int *: bus_alloc_resource_var, \ 643 default: bus_alloc_resource) \ 644 ((dev), (type), (rid), (start), (end), (count), (flags)) 645 646 #define bus_alloc_resource_any(dev, type, rid, flags) \ 647 _Generic((rid), \ 648 int *: bus_alloc_resource_any_var, \ 649 unsigned int *: bus_alloc_resource_any_var, \ 650 default: bus_alloc_resource_any) \ 651 ((dev), (type), (rid), (flags)) 652 653 #define bus_alloc_resource_anywhere(dev, type, rid, count, flags) \ 654 _Generic((rid), \ 655 int *: bus_alloc_resource_anywhere_var, \ 656 unsigned int *: bus_alloc_resource_anywhere_var, \ 657 default: bus_alloc_resource_anywhere) \ 658 ((dev), (type), (rid), (count), (flags)) 659 660 /* Compat shims for simpler bus resource API. */ 661 int bus_adjust_resource_old(device_t child, int type, struct resource *r, 662 rman_res_t start, rman_res_t end); 663 int bus_activate_resource_old(device_t dev, int type, int rid, 664 struct resource *r); 665 int bus_deactivate_resource_old(device_t dev, int type, int rid, 666 struct resource *r); 667 int bus_map_resource_old(device_t dev, int type, struct resource *r, 668 struct resource_map_request *args, 669 struct resource_map *map); 670 int bus_unmap_resource_old(device_t dev, int type, struct resource *r, 671 struct resource_map *map); 672 int bus_release_resource_old(device_t dev, int type, int rid, 673 struct resource *r); 674 675 #define _BUS_API_MACRO(_1, _2, _3, _4, _5, NAME, ...) NAME 676 677 #define bus_adjust_resource(...) \ 678 _BUS_API_MACRO(__VA_ARGS__, bus_adjust_resource_old, \ 679 bus_adjust_resource)(__VA_ARGS__) 680 681 #define bus_activate_resource(...) \ 682 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_activate_resource_old, \ 683 INVALID, bus_activate_resource)(__VA_ARGS__) 684 685 #define bus_deactivate_resource(...) \ 686 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_deactivate_resource_old, \ 687 INVALID, bus_deactivate_resource)(__VA_ARGS__) 688 689 #define bus_map_resource(...) \ 690 _BUS_API_MACRO(__VA_ARGS__, bus_map_resource_old, \ 691 bus_map_resource)(__VA_ARGS__) 692 693 #define bus_unmap_resource(...) \ 694 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_unmap_resource_old, \ 695 bus_unmap_resource)(__VA_ARGS__) 696 697 #define bus_release_resource(...) \ 698 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_release_resource_old, \ 699 INVALID, bus_release_resource)(__VA_ARGS__) 700 701 /* 702 * Access functions for device. 703 */ 704 device_t device_add_child(device_t dev, const char *name, int unit); 705 device_t device_add_child_ordered(device_t dev, u_int order, 706 const char *name, int unit); 707 void device_busy(device_t dev); 708 int device_delete_child(device_t dev, device_t child); 709 int device_delete_children(device_t dev); 710 int device_attach(device_t dev); 711 int device_detach(device_t dev); 712 void device_disable(device_t dev); 713 void device_enable(device_t dev); 714 device_t device_find_child(device_t dev, const char *classname, 715 int unit); 716 const char *device_get_desc(device_t dev); 717 devclass_t device_get_devclass(device_t dev); 718 driver_t *device_get_driver(device_t dev); 719 u_int32_t device_get_flags(device_t dev); 720 device_t device_get_parent(device_t dev); 721 int device_get_children(device_t dev, device_t **listp, int *countp); 722 void *device_get_ivars(device_t dev); 723 void device_set_ivars(device_t dev, void *ivars); 724 const char *device_get_name(device_t dev); 725 const char *device_get_nameunit(device_t dev); 726 void *device_get_softc(device_t dev); 727 void *device_get_softc_class(device_t dev, kobj_class_t cls); 728 device_state_t device_get_state(device_t dev); 729 int device_get_unit(device_t dev); 730 struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev); 731 struct sysctl_oid *device_get_sysctl_tree(device_t dev); 732 bool device_has_children(device_t dev); 733 int device_has_quiet_children(device_t dev); 734 int device_is_alive(device_t dev); /* did probe succeed? */ 735 int device_is_attached(device_t dev); /* did attach succeed? */ 736 int device_is_enabled(device_t dev); 737 int device_is_suspended(device_t dev); 738 int device_is_quiet(device_t dev); 739 device_t device_lookup_by_name(const char *name); 740 int device_print_prettyname(device_t dev); 741 int device_printf(device_t dev, const char *, ...) __printflike(2, 3); 742 int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4); 743 int device_probe(device_t dev); 744 int device_probe_and_attach(device_t dev); 745 int device_probe_child(device_t bus, device_t dev); 746 int device_quiesce(device_t dev); 747 void device_quiet(device_t dev); 748 void device_quiet_children(device_t dev); 749 void device_set_desc(device_t dev, const char *desc); 750 void device_set_descf(device_t dev, const char *fmt, ...) __printflike(2, 3); 751 void device_set_desc_copy(device_t dev, const char *desc); 752 int device_set_devclass(device_t dev, const char *classname); 753 int device_set_devclass_fixed(device_t dev, const char *classname); 754 bool device_is_devclass_fixed(device_t dev); 755 int device_set_driver(device_t dev, driver_t *driver); 756 void device_set_flags(device_t dev, u_int32_t flags); 757 void device_set_softc(device_t dev, void *softc); 758 void device_free_softc(void *softc); 759 void device_claim_softc(device_t dev); 760 int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */ 761 int device_shutdown(device_t dev); 762 void device_unbusy(device_t dev); 763 void device_verbose(device_t dev); 764 ssize_t device_get_property(device_t dev, const char *prop, void *val, 765 size_t sz, device_property_type_t type); 766 bool device_has_property(device_t dev, const char *prop); 767 768 /* 769 * Access functions for devclass. 770 */ 771 int devclass_add_driver(devclass_t dc, driver_t *driver, 772 int pass, devclass_t *dcp); 773 devclass_t devclass_create(const char *classname); 774 int devclass_delete_driver(devclass_t busclass, driver_t *driver); 775 devclass_t devclass_find(const char *classname); 776 const char *devclass_get_name(devclass_t dc); 777 device_t devclass_get_device(devclass_t dc, int unit); 778 void *devclass_get_softc(devclass_t dc, int unit); 779 int devclass_get_devices(devclass_t dc, device_t **listp, int *countp); 780 int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp); 781 int devclass_get_count(devclass_t dc); 782 int devclass_get_maxunit(devclass_t dc); 783 int devclass_find_free_unit(devclass_t dc, int unit); 784 void devclass_set_parent(devclass_t dc, devclass_t pdc); 785 devclass_t devclass_get_parent(devclass_t dc); 786 struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc); 787 struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc); 788 789 /* 790 * Access functions for device resources. 791 */ 792 int resource_int_value(const char *name, int unit, const char *resname, 793 int *result); 794 int resource_long_value(const char *name, int unit, const char *resname, 795 long *result); 796 int resource_string_value(const char *name, int unit, const char *resname, 797 const char **result); 798 int resource_disabled(const char *name, int unit); 799 int resource_find_match(int *anchor, const char **name, int *unit, 800 const char *resname, const char *value); 801 int resource_find_dev(int *anchor, const char *name, int *unit, 802 const char *resname, const char *value); 803 int resource_unset_value(const char *name, int unit, const char *resname); 804 805 /* 806 * Functions for maintaining and checking consistency of 807 * bus information exported to userspace. 808 */ 809 int bus_data_generation_check(int generation); 810 void bus_data_generation_update(void); 811 812 /** 813 * Some convenience defines for probe routines to return. These are just 814 * suggested values, and there's nothing magical about them. 815 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no 816 * possible other driver may exist (typically legacy drivers who don't follow 817 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the 818 * suggested value that vendor supplied drivers use. This is for source or 819 * binary drivers that are not yet integrated into the FreeBSD tree. Its use 820 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value 821 * for drivers to use. It is intended that nearly all of the drivers in the 822 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that 823 * have special requirements like when there are two drivers that support 824 * overlapping series of hardware devices. In this case the one that supports 825 * the older part of the line would return this value, while the one that 826 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC 827 * is for drivers that wish to have a generic form and a specialized form, 828 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is 829 * for those buses that implement a generic device placeholder for devices on 830 * the bus that have no more specific driver for them (aka ugen). 831 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding 832 * for a device node, but accepts only devices that its parent has told it 833 * use this driver. 834 */ 835 #define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */ 836 #define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */ 837 #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */ 838 #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */ 839 #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */ 840 #define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */ 841 #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */ 842 843 /** 844 * During boot, the device tree is scanned multiple times. Each scan, 845 * or pass, drivers may be attached to devices. Each driver 846 * attachment is assigned a pass number. Drivers may only probe and 847 * attach to devices if their pass number is less than or equal to the 848 * current system-wide pass number. The default pass is the last pass 849 * and is used by most drivers. Drivers needed by the scheduler are 850 * probed in earlier passes. 851 */ 852 #define BUS_PASS_ROOT 0 /* Used to attach root0. */ 853 #define BUS_PASS_BUS 10 /* Buses and bridges. */ 854 #define BUS_PASS_CPU 20 /* CPU devices. */ 855 #define BUS_PASS_RESOURCE 30 /* Resource discovery. */ 856 #define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */ 857 #define BUS_PASS_TIMER 50 /* Timers and clocks. */ 858 #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */ 859 #define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */ 860 #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */ 861 862 #define BUS_PASS_ORDER_FIRST 0 863 #define BUS_PASS_ORDER_EARLY 2 864 #define BUS_PASS_ORDER_MIDDLE 5 865 #define BUS_PASS_ORDER_LATE 7 866 #define BUS_PASS_ORDER_LAST 9 867 868 #define BUS_LOCATOR_ACPI "ACPI" 869 #define BUS_LOCATOR_FREEBSD "FreeBSD" 870 #define BUS_LOCATOR_UEFI "UEFI" 871 #define BUS_LOCATOR_OFW "OFW" 872 873 int bus_get_pass(void); 874 875 /** 876 * Routines to lock / unlock the newbus lock. 877 * Must be taken out to interact with newbus. 878 */ 879 void bus_topo_lock(void); 880 void bus_topo_unlock(void); 881 struct mtx * bus_topo_mtx(void); 882 void bus_topo_assert(void); 883 884 /** 885 * Shorthands for constructing method tables. 886 */ 887 #define DEVMETHOD KOBJMETHOD 888 #define DEVMETHOD_END KOBJMETHOD_END 889 890 /* 891 * Some common device interfaces. 892 */ 893 #include "device_if.h" 894 #include "bus_if.h" 895 896 struct module; 897 898 int driver_module_handler(struct module *, int, void *); 899 900 /** 901 * Module support for automatically adding drivers to buses. 902 */ 903 struct driver_module_data { 904 int (*dmd_chainevh)(struct module *, int, void *); 905 void *dmd_chainarg; 906 const char *dmd_busname; 907 kobj_class_t dmd_driver; 908 devclass_t *dmd_devclass; 909 int dmd_pass; 910 }; 911 912 #define EARLY_DRIVER_MODULE_ORDERED(_name, busname, driver, evh, arg, \ 913 order, pass) \ 914 \ 915 static struct driver_module_data _name##_##busname##_driver_mod = { \ 916 .dmd_chainevh = evh, \ 917 .dmd_chainarg = arg, \ 918 .dmd_busname = #busname, \ 919 .dmd_driver = (kobj_class_t)&driver, \ 920 .dmd_devclass = NULL, \ 921 .dmd_pass = pass, \ 922 }; \ 923 \ 924 static moduledata_t _name##_##busname##_mod = { \ 925 .name = #busname "/" #_name , \ 926 .evhand = driver_module_handler, \ 927 .priv = &_name##_##busname##_driver_mod, \ 928 }; \ 929 DECLARE_MODULE(_name##_##busname, _name##_##busname##_mod, \ 930 SI_SUB_DRIVERS, order) 931 932 #define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \ 933 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 934 SI_ORDER_MIDDLE, pass) 935 936 #define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \ 937 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \ 938 order, BUS_PASS_DEFAULT) 939 940 #define DRIVER_MODULE(name, busname, driver, evh, arg) \ 941 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \ 942 BUS_PASS_DEFAULT) 943 944 /** 945 * Generic ivar accessor generation macros for bus drivers 946 */ 947 #define __BUS_ACCESSOR_COMMON(varp, var, ivarp, ivar, type) \ 948 \ 949 static __inline bool \ 950 varp ## _has_ ## var(device_t dev) \ 951 { \ 952 uintptr_t v = 0; \ 953 int e; \ 954 \ 955 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 956 ivarp ## _IVAR_ ## ivar, &v); \ 957 return (e == 0); \ 958 } \ 959 \ 960 static __inline void \ 961 varp ## _set_ ## var(device_t dev, type t) \ 962 { \ 963 uintptr_t v = (uintptr_t) t; \ 964 int e __diagused; \ 965 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 966 ivarp ## _IVAR_ ## ivar, v); \ 967 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 968 __func__, device_get_nameunit(dev), \ 969 device_get_nameunit(device_get_parent(dev)), e)); \ 970 } 971 972 #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 973 __BUS_ACCESSOR_COMMON(varp, var, ivarp, ivar, type) \ 974 \ 975 static __inline type \ 976 varp ## _get_ ## var(device_t dev) \ 977 { \ 978 uintptr_t v = 0; \ 979 int e __diagused; \ 980 \ 981 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 982 ivarp ## _IVAR_ ## ivar, &v); \ 983 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \ 984 __func__, device_get_nameunit(dev), \ 985 device_get_nameunit(device_get_parent(dev)), e)); \ 986 return ((type) v); \ 987 } 988 989 #define __BUS_ACCESSOR_DEFAULT(varp, var, ivarp, ivar, type, default) \ 990 __BUS_ACCESSOR_COMMON(varp, var, ivarp, ivar, type) \ 991 \ 992 static __inline type \ 993 varp ## _get_ ## var(device_t dev) \ 994 { \ 995 uintptr_t v = 0; \ 996 int e; \ 997 \ 998 e = BUS_READ_IVAR(device_get_parent(dev), dev, \ 999 ivarp ## _IVAR_ ## ivar, &v); \ 1000 return (e == 0 ? (type) v : (default)); \ 1001 } 1002 1003 struct device_location_cache; 1004 typedef struct device_location_cache device_location_cache_t; 1005 device_location_cache_t *dev_wired_cache_init(void); 1006 void dev_wired_cache_fini(device_location_cache_t *dcp); 1007 bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at); 1008 1009 #define DEV_PROP_NAME_IOMMU "iommu-unit" 1010 typedef void (*device_prop_dtr_t)(device_t dev, const char *name, void *val, 1011 void *dtr_ctx); 1012 int device_set_prop(device_t dev, const char *name, void *val, 1013 device_prop_dtr_t dtr, void *dtr_ctx); 1014 int device_get_prop(device_t dev, const char *name, void **valp); 1015 int device_clear_prop(device_t dev, const char *name); 1016 void device_clear_prop_alldev(const char *name); 1017 1018 /** 1019 * Shorthand macros, taking resource argument 1020 * Generated with sys/tools/bus_macro.sh 1021 */ 1022 1023 #define bus_barrier(r, o, l, f) \ 1024 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f)) 1025 #define bus_poke_1(r, o, v) \ 1026 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1027 #define bus_peek_1(r, o, vp) \ 1028 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1029 #define bus_read_1(r, o) \ 1030 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o)) 1031 #define bus_read_multi_1(r, o, d, c) \ 1032 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1033 #define bus_read_region_1(r, o, d, c) \ 1034 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1035 #define bus_set_multi_1(r, o, v, c) \ 1036 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1037 #define bus_set_region_1(r, o, v, c) \ 1038 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1039 #define bus_write_1(r, o, v) \ 1040 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1041 #define bus_write_multi_1(r, o, d, c) \ 1042 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1043 #define bus_write_region_1(r, o, d, c) \ 1044 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1045 #define bus_read_stream_1(r, o) \ 1046 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o)) 1047 #define bus_read_multi_stream_1(r, o, d, c) \ 1048 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1049 #define bus_read_region_stream_1(r, o, d, c) \ 1050 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1051 #define bus_set_multi_stream_1(r, o, v, c) \ 1052 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1053 #define bus_set_region_stream_1(r, o, v, c) \ 1054 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1055 #define bus_write_stream_1(r, o, v) \ 1056 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1057 #define bus_write_multi_stream_1(r, o, d, c) \ 1058 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1059 #define bus_write_region_stream_1(r, o, d, c) \ 1060 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1061 #define bus_poke_2(r, o, v) \ 1062 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1063 #define bus_peek_2(r, o, vp) \ 1064 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1065 #define bus_read_2(r, o) \ 1066 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o)) 1067 #define bus_read_multi_2(r, o, d, c) \ 1068 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1069 #define bus_read_region_2(r, o, d, c) \ 1070 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1071 #define bus_set_multi_2(r, o, v, c) \ 1072 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1073 #define bus_set_region_2(r, o, v, c) \ 1074 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1075 #define bus_write_2(r, o, v) \ 1076 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1077 #define bus_write_multi_2(r, o, d, c) \ 1078 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1079 #define bus_write_region_2(r, o, d, c) \ 1080 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1081 #define bus_read_stream_2(r, o) \ 1082 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o)) 1083 #define bus_read_multi_stream_2(r, o, d, c) \ 1084 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1085 #define bus_read_region_stream_2(r, o, d, c) \ 1086 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1087 #define bus_set_multi_stream_2(r, o, v, c) \ 1088 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1089 #define bus_set_region_stream_2(r, o, v, c) \ 1090 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1091 #define bus_write_stream_2(r, o, v) \ 1092 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1093 #define bus_write_multi_stream_2(r, o, d, c) \ 1094 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1095 #define bus_write_region_stream_2(r, o, d, c) \ 1096 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1097 #define bus_poke_4(r, o, v) \ 1098 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1099 #define bus_peek_4(r, o, vp) \ 1100 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1101 #define bus_read_4(r, o) \ 1102 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o)) 1103 #define bus_read_multi_4(r, o, d, c) \ 1104 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1105 #define bus_read_region_4(r, o, d, c) \ 1106 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1107 #define bus_set_multi_4(r, o, v, c) \ 1108 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1109 #define bus_set_region_4(r, o, v, c) \ 1110 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1111 #define bus_write_4(r, o, v) \ 1112 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1113 #define bus_write_multi_4(r, o, d, c) \ 1114 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1115 #define bus_write_region_4(r, o, d, c) \ 1116 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1117 #define bus_read_stream_4(r, o) \ 1118 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o)) 1119 #define bus_read_multi_stream_4(r, o, d, c) \ 1120 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1121 #define bus_read_region_stream_4(r, o, d, c) \ 1122 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1123 #define bus_set_multi_stream_4(r, o, v, c) \ 1124 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1125 #define bus_set_region_stream_4(r, o, v, c) \ 1126 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1127 #define bus_write_stream_4(r, o, v) \ 1128 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1129 #define bus_write_multi_stream_4(r, o, d, c) \ 1130 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1131 #define bus_write_region_stream_4(r, o, d, c) \ 1132 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1133 #define bus_poke_8(r, o, v) \ 1134 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1135 #define bus_peek_8(r, o, vp) \ 1136 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp)) 1137 #define bus_read_8(r, o) \ 1138 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o)) 1139 #define bus_read_multi_8(r, o, d, c) \ 1140 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1141 #define bus_read_region_8(r, o, d, c) \ 1142 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1143 #define bus_set_multi_8(r, o, v, c) \ 1144 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1145 #define bus_set_region_8(r, o, v, c) \ 1146 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1147 #define bus_write_8(r, o, v) \ 1148 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1149 #define bus_write_multi_8(r, o, d, c) \ 1150 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1151 #define bus_write_region_8(r, o, d, c) \ 1152 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1153 #define bus_read_stream_8(r, o) \ 1154 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o)) 1155 #define bus_read_multi_stream_8(r, o, d, c) \ 1156 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1157 #define bus_read_region_stream_8(r, o, d, c) \ 1158 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1159 #define bus_set_multi_stream_8(r, o, v, c) \ 1160 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1161 #define bus_set_region_stream_8(r, o, v, c) \ 1162 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c)) 1163 #define bus_write_stream_8(r, o, v) \ 1164 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v)) 1165 #define bus_write_multi_stream_8(r, o, d, c) \ 1166 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1167 #define bus_write_region_stream_8(r, o, d, c) \ 1168 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c)) 1169 #endif /* _KERNEL */ 1170 1171 #endif /* !_SYS_BUS_H_ */ 1172