1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1997,1998,2003 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #ifndef _SYS_BUS_H_
30 #define _SYS_BUS_H_
31
32 #include <machine/_limits.h>
33 #include <machine/_bus.h>
34 #include <sys/_bus_dma.h>
35 #include <sys/ioccom.h>
36
37 /**
38 * @defgroup NEWBUS newbus - a generic framework for managing devices
39 * @{
40 */
41
42 /**
43 * @brief Interface information structure.
44 */
45 struct u_businfo {
46 int ub_version; /**< @brief interface version */
47 #define BUS_USER_VERSION 2
48 int ub_generation; /**< @brief generation count */
49 };
50
51 /**
52 * @brief State of the device.
53 */
54 typedef enum device_state {
55 DS_NOTPRESENT = 10, /**< @brief not probed or probe failed */
56 DS_ALIVE = 20, /**< @brief probe succeeded */
57 DS_ATTACHING = 25, /**< @brief currently attaching */
58 DS_ATTACHED = 30, /**< @brief attach method called */
59 } device_state_t;
60
61 /**
62 * @brief Device proprty types.
63 *
64 * Those are used by bus logic to encode requested properties,
65 * e.g. in DT all properties are stored as BE and need to be converted
66 * to host endianness.
67 */
68 typedef enum device_property_type {
69 DEVICE_PROP_ANY = 0,
70 DEVICE_PROP_BUFFER = 1,
71 DEVICE_PROP_UINT32 = 2,
72 DEVICE_PROP_UINT64 = 3,
73 DEVICE_PROP_HANDLE = 4,
74 } device_property_type_t;
75
76 /**
77 * @brief Device information exported to userspace.
78 * The strings are placed one after the other, separated by NUL characters.
79 * Fields should be added after the last one and order maintained for compatibility
80 */
81 #define BUS_USER_BUFFER (3 * 1024)
82 struct u_device {
83 uintptr_t dv_handle;
84 uintptr_t dv_parent;
85 uint32_t dv_devflags; /**< @brief API Flags for device */
86 uint16_t dv_flags; /**< @brief flags for dev state */
87 device_state_t dv_state; /**< @brief State of attachment */
88 char dv_fields[BUS_USER_BUFFER]; /**< @brief NUL terminated fields */
89 /* name (name of the device in tree) */
90 /* desc (driver description) */
91 /* drivername (Name of driver without unit number) */
92 /* pnpinfo (Plug and play information from bus) */
93 /* location (Location of device on parent */
94 /* NUL */
95 };
96
97 /* Flags exported via dv_flags. */
98 #define DF_ENABLED 0x01 /* device should be probed/attached */
99 #define DF_FIXEDCLASS 0x02 /* devclass specified at create time */
100 #define DF_WILDCARD 0x04 /* unit was originally wildcard */
101 #define DF_DESCMALLOCED 0x08 /* description was malloced */
102 #define DF_QUIET 0x10 /* don't print verbose attach message */
103 #define DF_DONENOMATCH 0x20 /* don't execute DEVICE_NOMATCH again */
104 #define DF_EXTERNALSOFTC 0x40 /* softc not allocated by us */
105 #define DF_SUSPENDED 0x100 /* Device is suspended. */
106 #define DF_QUIET_CHILDREN 0x200 /* Default to quiet for all my children */
107 #define DF_ATTACHED_ONCE 0x400 /* Has been attached at least once */
108 #define DF_NEEDNOMATCH 0x800 /* Has a pending NOMATCH event */
109
110 /**
111 * @brief Device request structure used for ioctl's.
112 *
113 * Used for ioctl's on /dev/devctl2. All device ioctl's
114 * must have parameter definitions which begin with dr_name.
115 */
116 struct devreq_buffer {
117 void *buffer;
118 size_t length;
119 };
120
121 struct devreq {
122 char dr_name[128];
123 int dr_flags; /* request-specific flags */
124 union {
125 struct devreq_buffer dru_buffer;
126 void *dru_data;
127 } dr_dru;
128 #define dr_buffer dr_dru.dru_buffer /* variable-sized buffer */
129 #define dr_data dr_dru.dru_data /* fixed-size buffer */
130 };
131
132 #define DEV_ATTACH _IOW('D', 1, struct devreq)
133 #define DEV_DETACH _IOW('D', 2, struct devreq)
134 #define DEV_ENABLE _IOW('D', 3, struct devreq)
135 #define DEV_DISABLE _IOW('D', 4, struct devreq)
136 #define DEV_SUSPEND _IOW('D', 5, struct devreq)
137 #define DEV_RESUME _IOW('D', 6, struct devreq)
138 #define DEV_SET_DRIVER _IOW('D', 7, struct devreq)
139 #define DEV_CLEAR_DRIVER _IOW('D', 8, struct devreq)
140 #define DEV_RESCAN _IOW('D', 9, struct devreq)
141 #define DEV_DELETE _IOW('D', 10, struct devreq)
142 #define DEV_FREEZE _IOW('D', 11, struct devreq)
143 #define DEV_THAW _IOW('D', 12, struct devreq)
144 #define DEV_RESET _IOW('D', 13, struct devreq)
145 #define DEV_GET_PATH _IOWR('D', 14, struct devreq)
146
147 /* Flags for DEV_DETACH and DEV_DISABLE. */
148 #define DEVF_FORCE_DETACH 0x0000001
149
150 /* Flags for DEV_SET_DRIVER. */
151 #define DEVF_SET_DRIVER_DETACH 0x0000001 /* Detach existing driver. */
152
153 /* Flags for DEV_CLEAR_DRIVER. */
154 #define DEVF_CLEAR_DRIVER_DETACH 0x0000001 /* Detach existing driver. */
155
156 /* Flags for DEV_DELETE. */
157 #define DEVF_FORCE_DELETE 0x0000001
158
159 /* Flags for DEV_RESET */
160 #define DEVF_RESET_DETACH 0x0000001 /* Detach drivers vs suspend
161 device */
162 #define DEVICE_UNIT_ANY (-1)
163
164 #ifdef _KERNEL
165
166 #include <sys/_eventhandler.h>
167 #include <sys/kobj.h>
168 #include <sys/systm.h>
169 #include <sys/devctl.h>
170
171 /**
172 * Device name parsers. Hook to allow device enumerators to map
173 * scheme-specific names to a device.
174 */
175 typedef void (*dev_lookup_fn)(void *arg, const char *name,
176 device_t *result);
177 EVENTHANDLER_DECLARE(dev_lookup, dev_lookup_fn);
178
179 /**
180 * @brief A device driver.
181 *
182 * Provides an abstraction layer for driver dispatch.
183 */
184 typedef struct kobj_class driver_t;
185
186 /**
187 * @brief A device class
188 *
189 * The devclass object has two main functions in the system. The first
190 * is to manage the allocation of unit numbers for device instances
191 * and the second is to hold the list of device drivers for a
192 * particular bus type. Each devclass has a name and there cannot be
193 * two devclasses with the same name. This ensures that unique unit
194 * numbers are allocated to device instances.
195 *
196 * Drivers that support several different bus attachments (e.g. isa,
197 * pci, pccard) should all use the same devclass to ensure that unit
198 * numbers do not conflict.
199 *
200 * Each devclass may also have a parent devclass. This is used when
201 * searching for device drivers to allow a form of inheritance. When
202 * matching drivers with devices, first the driver list of the parent
203 * device's devclass is searched. If no driver is found in that list,
204 * the search continues in the parent devclass (if any).
205 */
206 typedef struct devclass *devclass_t;
207
208 /**
209 * @brief A device method
210 */
211 #define device_method_t kobj_method_t
212
213 /**
214 * @brief Driver interrupt filter return values
215 *
216 * If a driver provides an interrupt filter routine it must return an
217 * integer consisting of oring together zero or more of the following
218 * flags:
219 *
220 * FILTER_STRAY - this device did not trigger the interrupt
221 * FILTER_HANDLED - the interrupt has been fully handled and can be EOId
222 * FILTER_SCHEDULE_THREAD - the threaded interrupt handler should be
223 * scheduled to execute
224 *
225 * If the driver does not provide a filter, then the interrupt code will
226 * act is if the filter had returned FILTER_SCHEDULE_THREAD. Note that it
227 * is illegal to specify any other flag with FILTER_STRAY and that it is
228 * illegal to not specify either of FILTER_HANDLED or FILTER_SCHEDULE_THREAD
229 * if FILTER_STRAY is not specified.
230 */
231 #define FILTER_STRAY 0x01
232 #define FILTER_HANDLED 0x02
233 #define FILTER_SCHEDULE_THREAD 0x04
234
235 /**
236 * @brief Driver interrupt service routines
237 *
238 * The filter routine is run in primary interrupt context and may not
239 * block or use regular mutexes. It may only use spin mutexes for
240 * synchronization. The filter may either completely handle the
241 * interrupt or it may perform some of the work and defer more
242 * expensive work to the regular interrupt handler. If a filter
243 * routine is not registered by the driver, then the regular interrupt
244 * handler is always used to handle interrupts from this device.
245 *
246 * The regular interrupt handler executes in its own thread context
247 * and may use regular mutexes. However, it is prohibited from
248 * sleeping on a sleep queue.
249 */
250 typedef int driver_filter_t(void *);
251 typedef void driver_intr_t(void *);
252
253 /**
254 * @brief Interrupt type bits.
255 *
256 * These flags may be passed by drivers to bus_setup_intr(9) when
257 * registering a new interrupt handler. The field is overloaded to
258 * specify both the interrupt's type and any special properties.
259 *
260 * The INTR_TYPE* bits will be passed to intr_priority(9) to determine
261 * the scheduling priority of the handler's ithread. Historically, each
262 * type was assigned a unique scheduling preference, but now only
263 * INTR_TYPE_CLK receives a default priority higher than other
264 * interrupts. See sys/priority.h.
265 *
266 * Buses may choose to modify or augment these flags as appropriate,
267 * e.g. nexus may apply INTR_EXCL.
268 */
269 enum intr_type {
270 INTR_TYPE_TTY = 1,
271 INTR_TYPE_BIO = 2,
272 INTR_TYPE_NET = 4,
273 INTR_TYPE_CAM = 8,
274 INTR_TYPE_MISC = 16,
275 INTR_TYPE_CLK = 32,
276 INTR_TYPE_AV = 64,
277 INTR_EXCL = 256, /* exclusive interrupt */
278 INTR_MPSAFE = 512, /* this interrupt is SMP safe */
279 INTR_ENTROPY = 1024, /* this interrupt provides entropy */
280 INTR_SLEEPABLE = 2048, /* this interrupt handler can sleep */
281 INTR_MD1 = 4096, /* flag reserved for MD use */
282 INTR_MD2 = 8192, /* flag reserved for MD use */
283 INTR_MD3 = 16384, /* flag reserved for MD use */
284 INTR_MD4 = 32768 /* flag reserved for MD use */
285 };
286
287 enum intr_trigger {
288 INTR_TRIGGER_INVALID = -1,
289 INTR_TRIGGER_CONFORM = 0,
290 INTR_TRIGGER_EDGE = 1,
291 INTR_TRIGGER_LEVEL = 2
292 };
293
294 enum intr_polarity {
295 INTR_POLARITY_CONFORM = 0,
296 INTR_POLARITY_HIGH = 1,
297 INTR_POLARITY_LOW = 2
298 };
299
300 /**
301 * CPU sets supported by bus_get_cpus(). Note that not all sets may be
302 * supported for a given device. If a request is not supported by a
303 * device (or its parents), then bus_get_cpus() will fail with EINVAL.
304 */
305 enum cpu_sets {
306 LOCAL_CPUS = 0,
307 INTR_CPUS
308 };
309
310 struct resource;
311
312 /**
313 * @brief A resource mapping.
314 */
315 struct resource_map {
316 bus_space_tag_t r_bustag;
317 bus_space_handle_t r_bushandle;
318 bus_size_t r_size;
319 void *r_vaddr;
320 };
321
322 /**
323 * @brief Optional properties of a resource mapping request.
324 */
325 struct resource_map_request {
326 size_t size;
327 rman_res_t offset;
328 rman_res_t length;
329 vm_memattr_t memattr;
330 };
331
332 void resource_init_map_request_impl(struct resource_map_request *_args,
333 size_t _sz);
334 #define resource_init_map_request(rmr) \
335 resource_init_map_request_impl((rmr), sizeof(*(rmr)))
336 int resource_validate_map_request(struct resource *r,
337 struct resource_map_request *in, struct resource_map_request *out,
338 rman_res_t *startp, rman_res_t *lengthp);
339
340 /*
341 * Definitions for drivers which need to keep simple lists of resources
342 * for their child devices.
343 */
344
345 /**
346 * @brief An entry for a single resource in a resource list.
347 */
348 struct resource_list_entry {
349 STAILQ_ENTRY(resource_list_entry) link;
350 int type; /**< @brief type argument to alloc_resource */
351 int rid; /**< @brief resource identifier */
352 int flags; /**< @brief resource flags */
353 struct resource *res; /**< @brief the real resource when allocated */
354 rman_res_t start; /**< @brief start of resource range */
355 rman_res_t end; /**< @brief end of resource range */
356 rman_res_t count; /**< @brief count within range */
357 };
358 STAILQ_HEAD(resource_list, resource_list_entry);
359
360 #define RLE_RESERVED 0x0001 /* Reserved by the parent bus. */
361 #define RLE_ALLOCATED 0x0002 /* Reserved resource is allocated. */
362 #define RLE_PREFETCH 0x0004 /* Resource is a prefetch range. */
363
364 void resource_list_init(struct resource_list *rl);
365 void resource_list_free(struct resource_list *rl);
366 struct resource_list_entry *
367 resource_list_add(struct resource_list *rl,
368 int type, int rid,
369 rman_res_t start, rman_res_t end, rman_res_t count);
370 int resource_list_add_next(struct resource_list *rl,
371 int type,
372 rman_res_t start, rman_res_t end, rman_res_t count);
373 int resource_list_busy(struct resource_list *rl,
374 int type, int rid);
375 int resource_list_reserved(struct resource_list *rl, int type, int rid);
376 struct resource_list_entry*
377 resource_list_find(struct resource_list *rl,
378 int type, int rid);
379 void resource_list_delete(struct resource_list *rl,
380 int type, int rid);
381 struct resource *
382 resource_list_alloc(struct resource_list *rl,
383 device_t bus, device_t child,
384 int type, int *rid,
385 rman_res_t start, rman_res_t end,
386 rman_res_t count, u_int flags);
387 int resource_list_release(struct resource_list *rl,
388 device_t bus, device_t child,
389 struct resource *res);
390 int resource_list_release_active(struct resource_list *rl,
391 device_t bus, device_t child,
392 int type);
393 struct resource *
394 resource_list_reserve(struct resource_list *rl,
395 device_t bus, device_t child,
396 int type, int *rid,
397 rman_res_t start, rman_res_t end,
398 rman_res_t count, u_int flags);
399 int resource_list_unreserve(struct resource_list *rl,
400 device_t bus, device_t child,
401 int type, int rid);
402 void resource_list_purge(struct resource_list *rl);
403 int resource_list_print_type(struct resource_list *rl,
404 const char *name, int type,
405 const char *format);
406
407 /*
408 * The root bus, to which all top-level buses are attached.
409 */
410 extern device_t root_bus;
411 extern devclass_t root_devclass;
412 void root_bus_configure(void);
413
414 /*
415 * Useful functions for implementing buses.
416 */
417
418 struct _cpuset;
419
420 int bus_generic_activate_resource(device_t dev, device_t child,
421 struct resource *r);
422 device_t
423 bus_generic_add_child(device_t dev, u_int order, const char *name,
424 int unit);
425 int bus_generic_adjust_resource(device_t bus, device_t child,
426 struct resource *r, rman_res_t start,
427 rman_res_t end);
428 struct resource *
429 bus_generic_alloc_resource(device_t bus, device_t child, int type,
430 int *rid, rman_res_t start, rman_res_t end,
431 rman_res_t count, u_int flags);
432 int bus_generic_translate_resource(device_t dev, int type, rman_res_t start,
433 rman_res_t *newstart);
434 int bus_generic_attach(device_t dev)
435 __deprecated1("Use bus_attach_children instead");
436 int bus_generic_bind_intr(device_t dev, device_t child,
437 struct resource *irq, int cpu);
438 int bus_generic_child_location(device_t dev, device_t child, struct sbuf *sb);
439 int bus_generic_child_pnpinfo(device_t dev, device_t child, struct sbuf *sb);
440 int bus_generic_child_present(device_t dev, device_t child);
441 int bus_generic_config_intr(device_t, int, enum intr_trigger,
442 enum intr_polarity);
443 int bus_generic_describe_intr(device_t dev, device_t child,
444 struct resource *irq, void *cookie,
445 const char *descr);
446 int bus_generic_deactivate_resource(device_t dev, device_t child,
447 struct resource *r);
448 int bus_generic_detach(device_t dev);
449 void bus_generic_driver_added(device_t dev, driver_t *driver);
450 int bus_generic_get_cpus(device_t dev, device_t child, enum cpu_sets op,
451 size_t setsize, struct _cpuset *cpuset);
452 bus_dma_tag_t
453 bus_generic_get_dma_tag(device_t dev, device_t child);
454 bus_space_tag_t
455 bus_generic_get_bus_tag(device_t dev, device_t child);
456 int bus_generic_get_domain(device_t dev, device_t child, int *domain);
457 ssize_t bus_generic_get_property(device_t dev, device_t child,
458 const char *propname, void *propvalue,
459 size_t size, device_property_type_t type);
460 int bus_generic_map_resource(device_t dev, device_t child,
461 struct resource *r,
462 struct resource_map_request *args,
463 struct resource_map *map);
464 void bus_generic_new_pass(device_t dev);
465 int bus_print_child_header(device_t dev, device_t child);
466 int bus_print_child_domain(device_t dev, device_t child);
467 int bus_print_child_footer(device_t dev, device_t child);
468 int bus_generic_print_child(device_t dev, device_t child);
469 int bus_generic_probe(device_t dev)
470 __deprecated1("Use bus_identify_children instead");
471 int bus_generic_read_ivar(device_t dev, device_t child, int which,
472 uintptr_t *result);
473 int bus_generic_release_resource(device_t bus, device_t child,
474 struct resource *r);
475 int bus_generic_resume(device_t dev);
476 int bus_generic_resume_child(device_t dev, device_t child);
477 int bus_generic_setup_intr(device_t dev, device_t child,
478 struct resource *irq, int flags,
479 driver_filter_t *filter, driver_intr_t *intr,
480 void *arg, void **cookiep);
481
482 struct resource *
483 bus_generic_rl_alloc_resource(device_t, device_t, int, int *,
484 rman_res_t, rman_res_t, rman_res_t, u_int);
485 void bus_generic_rl_delete_resource(device_t, device_t, int, int);
486 int bus_generic_rl_get_resource(device_t, device_t, int, int, rman_res_t *,
487 rman_res_t *);
488 int bus_generic_rl_set_resource(device_t, device_t, int, int, rman_res_t,
489 rman_res_t);
490 int bus_generic_rl_release_resource(device_t, device_t, struct resource *);
491 struct resource *
492 bus_generic_rman_alloc_resource(device_t dev, device_t child, int type,
493 int *rid, rman_res_t start,
494 rman_res_t end, rman_res_t count,
495 u_int flags);
496 int bus_generic_rman_adjust_resource(device_t dev, device_t child,
497 struct resource *r, rman_res_t start,
498 rman_res_t end);
499 int bus_generic_rman_release_resource(device_t dev, device_t child,
500 struct resource *r);
501 int bus_generic_rman_activate_resource(device_t dev, device_t child,
502 struct resource *r);
503 int bus_generic_rman_deactivate_resource(device_t dev, device_t child,
504 struct resource *r);
505
506 int bus_generic_shutdown(device_t dev);
507 int bus_generic_suspend(device_t dev);
508 int bus_generic_suspend_child(device_t dev, device_t child);
509 int bus_generic_teardown_intr(device_t dev, device_t child,
510 struct resource *irq, void *cookie);
511 int bus_generic_suspend_intr(device_t dev, device_t child,
512 struct resource *irq);
513 int bus_generic_resume_intr(device_t dev, device_t child,
514 struct resource *irq);
515 int bus_generic_unmap_resource(device_t dev, device_t child,
516 struct resource *r,
517 struct resource_map *map);
518 int bus_generic_write_ivar(device_t dev, device_t child, int which,
519 uintptr_t value);
520 int bus_generic_get_device_path(device_t bus, device_t child, const char *locator,
521 struct sbuf *sb);
522 int bus_helper_reset_post(device_t dev, int flags);
523 int bus_helper_reset_prepare(device_t dev, int flags);
524 int bus_null_rescan(device_t dev);
525
526 /*
527 * Wrapper functions for the BUS_*_RESOURCE methods to make client code
528 * a little simpler.
529 */
530
531 struct resource_spec {
532 int type;
533 int rid;
534 int flags;
535 };
536 #define RESOURCE_SPEC_END {-1, 0, 0}
537
538 int bus_alloc_resources(device_t dev, struct resource_spec *rs,
539 struct resource **res);
540 void bus_release_resources(device_t dev, const struct resource_spec *rs,
541 struct resource **res);
542
543 int bus_adjust_resource(device_t child, struct resource *r,
544 rman_res_t start, rman_res_t end);
545 int bus_translate_resource(device_t child, int type, rman_res_t start,
546 rman_res_t *newstart);
547 struct resource *bus_alloc_resource(device_t dev, int type, int *rid,
548 rman_res_t start, rman_res_t end,
549 rman_res_t count, u_int flags);
550 int bus_activate_resource(device_t dev, struct resource *r);
551 int bus_deactivate_resource(device_t dev, struct resource *r);
552 int bus_map_resource(device_t dev, struct resource *r,
553 struct resource_map_request *args,
554 struct resource_map *map);
555 int bus_unmap_resource(device_t dev, struct resource *r,
556 struct resource_map *map);
557 int bus_get_cpus(device_t dev, enum cpu_sets op, size_t setsize,
558 struct _cpuset *cpuset);
559 bus_dma_tag_t bus_get_dma_tag(device_t dev);
560 bus_space_tag_t bus_get_bus_tag(device_t dev);
561 int bus_get_domain(device_t dev, int *domain);
562 int bus_release_resource(device_t dev, struct resource *r);
563 int bus_free_resource(device_t dev, int type, struct resource *r);
564 int bus_setup_intr(device_t dev, struct resource *r, int flags,
565 driver_filter_t filter, driver_intr_t handler,
566 void *arg, void **cookiep);
567 int bus_teardown_intr(device_t dev, struct resource *r, void *cookie);
568 int bus_suspend_intr(device_t dev, struct resource *r);
569 int bus_resume_intr(device_t dev, struct resource *r);
570 int bus_bind_intr(device_t dev, struct resource *r, int cpu);
571 int bus_describe_intr(device_t dev, struct resource *irq, void *cookie,
572 const char *fmt, ...) __printflike(4, 5);
573 int bus_set_resource(device_t dev, int type, int rid,
574 rman_res_t start, rman_res_t count);
575 int bus_get_resource(device_t dev, int type, int rid,
576 rman_res_t *startp, rman_res_t *countp);
577 rman_res_t bus_get_resource_start(device_t dev, int type, int rid);
578 rman_res_t bus_get_resource_count(device_t dev, int type, int rid);
579 void bus_delete_resource(device_t dev, int type, int rid);
580 int bus_child_present(device_t child);
581 int bus_child_pnpinfo(device_t child, struct sbuf *sb);
582 int bus_child_location(device_t child, struct sbuf *sb);
583
584 void bus_attach_children(device_t dev);
585 void bus_delayed_attach_children(device_t bus);
586 int bus_detach_children(device_t dev);
587 void bus_enumerate_hinted_children(device_t bus);
588 void bus_identify_children(device_t dev);
589
590 static __inline struct resource *
bus_alloc_resource_any(device_t dev,int type,int * rid,u_int flags)591 bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags)
592 {
593 return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags));
594 }
595
596 static __inline struct resource *
bus_alloc_resource_anywhere(device_t dev,int type,int * rid,rman_res_t count,u_int flags)597 bus_alloc_resource_anywhere(device_t dev, int type, int *rid,
598 rman_res_t count, u_int flags)
599 {
600 return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags));
601 }
602
603 /* Compat shims for bus_alloc_resource API. */
604 static __inline struct resource *
bus_alloc_resource_const(device_t dev,int type,int rid,rman_res_t start,rman_res_t end,rman_res_t count,u_int flags)605 bus_alloc_resource_const(device_t dev, int type, int rid, rman_res_t start,
606 rman_res_t end, rman_res_t count, u_int flags)
607 {
608 return (bus_alloc_resource(dev, type, &rid, start, end, count, flags));
609 }
610
611 static __inline struct resource *
bus_alloc_resource_any_const(device_t dev,int type,int rid,u_int flags)612 bus_alloc_resource_any_const(device_t dev, int type, int rid, u_int flags)
613 {
614 return (bus_alloc_resource(dev, type, &rid, 0, ~0, 1, flags));
615 }
616
617 static __inline struct resource *
bus_alloc_resource_anywhere_const(device_t dev,int type,int rid,rman_res_t count,u_int flags)618 bus_alloc_resource_anywhere_const(device_t dev, int type, int rid,
619 rman_res_t count, u_int flags)
620 {
621 return (bus_alloc_resource(dev, type, &rid, 0, ~0, count, flags));
622 }
623
624 #define bus_alloc_resource(dev, type, rid, start, end, count, flags) \
625 _Generic((rid), \
626 int *: bus_alloc_resource, \
627 unsigned int *: bus_alloc_resource, \
628 default: bus_alloc_resource_const) \
629 ((dev), (type), (rid), (start), (end), (count), (flags))
630
631 #define bus_alloc_resource_any(dev, type, rid, flags) \
632 _Generic((rid), \
633 int *: bus_alloc_resource_any, \
634 unsigned int *: bus_alloc_resource_any, \
635 default: bus_alloc_resource_any_const) \
636 ((dev), (type), (rid), (flags))
637
638 #define bus_alloc_resource_anywhere(dev, type, rid, count, flags) \
639 _Generic((rid), \
640 int *: bus_alloc_resource_anywhere, \
641 unsigned int *: bus_alloc_resource_anywhere, \
642 default: bus_alloc_resource_anywhere_const) \
643 ((dev), (type), (rid), (count), (flags))
644
645 /* Compat shims for simpler bus resource API. */
646 int bus_adjust_resource_old(device_t child, int type, struct resource *r,
647 rman_res_t start, rman_res_t end);
648 int bus_activate_resource_old(device_t dev, int type, int rid,
649 struct resource *r);
650 int bus_deactivate_resource_old(device_t dev, int type, int rid,
651 struct resource *r);
652 int bus_map_resource_old(device_t dev, int type, struct resource *r,
653 struct resource_map_request *args,
654 struct resource_map *map);
655 int bus_unmap_resource_old(device_t dev, int type, struct resource *r,
656 struct resource_map *map);
657 int bus_release_resource_old(device_t dev, int type, int rid,
658 struct resource *r);
659
660 #define _BUS_API_MACRO(_1, _2, _3, _4, _5, NAME, ...) NAME
661
662 #define bus_adjust_resource(...) \
663 _BUS_API_MACRO(__VA_ARGS__, bus_adjust_resource_old, \
664 bus_adjust_resource)(__VA_ARGS__)
665
666 #define bus_activate_resource(...) \
667 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_activate_resource_old, \
668 INVALID, bus_activate_resource)(__VA_ARGS__)
669
670 #define bus_deactivate_resource(...) \
671 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_deactivate_resource_old, \
672 INVALID, bus_deactivate_resource)(__VA_ARGS__)
673
674 #define bus_map_resource(...) \
675 _BUS_API_MACRO(__VA_ARGS__, bus_map_resource_old, \
676 bus_map_resource)(__VA_ARGS__)
677
678 #define bus_unmap_resource(...) \
679 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_unmap_resource_old, \
680 bus_unmap_resource)(__VA_ARGS__)
681
682 #define bus_release_resource(...) \
683 _BUS_API_MACRO(__VA_ARGS__, INVALID, bus_release_resource_old, \
684 INVALID, bus_release_resource)(__VA_ARGS__)
685
686 /*
687 * Access functions for device.
688 */
689 device_t device_add_child(device_t dev, const char *name, int unit);
690 device_t device_add_child_ordered(device_t dev, u_int order,
691 const char *name, int unit);
692 void device_busy(device_t dev);
693 int device_delete_child(device_t dev, device_t child);
694 int device_delete_children(device_t dev);
695 int device_attach(device_t dev);
696 int device_detach(device_t dev);
697 void device_disable(device_t dev);
698 void device_enable(device_t dev);
699 device_t device_find_child(device_t dev, const char *classname,
700 int unit);
701 const char *device_get_desc(device_t dev);
702 devclass_t device_get_devclass(device_t dev);
703 driver_t *device_get_driver(device_t dev);
704 u_int32_t device_get_flags(device_t dev);
705 device_t device_get_parent(device_t dev);
706 int device_get_children(device_t dev, device_t **listp, int *countp);
707 void *device_get_ivars(device_t dev);
708 void device_set_ivars(device_t dev, void *ivars);
709 const char *device_get_name(device_t dev);
710 const char *device_get_nameunit(device_t dev);
711 void *device_get_softc(device_t dev);
712 device_state_t device_get_state(device_t dev);
713 int device_get_unit(device_t dev);
714 struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev);
715 struct sysctl_oid *device_get_sysctl_tree(device_t dev);
716 int device_has_quiet_children(device_t dev);
717 int device_is_alive(device_t dev); /* did probe succeed? */
718 int device_is_attached(device_t dev); /* did attach succeed? */
719 int device_is_enabled(device_t dev);
720 int device_is_suspended(device_t dev);
721 int device_is_quiet(device_t dev);
722 device_t device_lookup_by_name(const char *name);
723 int device_print_prettyname(device_t dev);
724 int device_printf(device_t dev, const char *, ...) __printflike(2, 3);
725 int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4);
726 int device_probe(device_t dev);
727 int device_probe_and_attach(device_t dev);
728 int device_probe_child(device_t bus, device_t dev);
729 int device_quiesce(device_t dev);
730 void device_quiet(device_t dev);
731 void device_quiet_children(device_t dev);
732 void device_set_desc(device_t dev, const char *desc);
733 void device_set_descf(device_t dev, const char *fmt, ...) __printflike(2, 3);
734 void device_set_desc_copy(device_t dev, const char *desc);
735 int device_set_devclass(device_t dev, const char *classname);
736 int device_set_devclass_fixed(device_t dev, const char *classname);
737 bool device_is_devclass_fixed(device_t dev);
738 int device_set_driver(device_t dev, driver_t *driver);
739 void device_set_flags(device_t dev, u_int32_t flags);
740 void device_set_softc(device_t dev, void *softc);
741 void device_free_softc(void *softc);
742 void device_claim_softc(device_t dev);
743 int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */
744 int device_shutdown(device_t dev);
745 void device_unbusy(device_t dev);
746 void device_verbose(device_t dev);
747 ssize_t device_get_property(device_t dev, const char *prop, void *val,
748 size_t sz, device_property_type_t type);
749 bool device_has_property(device_t dev, const char *prop);
750
751 /*
752 * Access functions for devclass.
753 */
754 int devclass_add_driver(devclass_t dc, driver_t *driver,
755 int pass, devclass_t *dcp);
756 devclass_t devclass_create(const char *classname);
757 int devclass_delete_driver(devclass_t busclass, driver_t *driver);
758 devclass_t devclass_find(const char *classname);
759 const char *devclass_get_name(devclass_t dc);
760 device_t devclass_get_device(devclass_t dc, int unit);
761 void *devclass_get_softc(devclass_t dc, int unit);
762 int devclass_get_devices(devclass_t dc, device_t **listp, int *countp);
763 int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp);
764 int devclass_get_count(devclass_t dc);
765 int devclass_get_maxunit(devclass_t dc);
766 int devclass_find_free_unit(devclass_t dc, int unit);
767 void devclass_set_parent(devclass_t dc, devclass_t pdc);
768 devclass_t devclass_get_parent(devclass_t dc);
769 struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc);
770 struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc);
771
772 /*
773 * Access functions for device resources.
774 */
775 int resource_int_value(const char *name, int unit, const char *resname,
776 int *result);
777 int resource_long_value(const char *name, int unit, const char *resname,
778 long *result);
779 int resource_string_value(const char *name, int unit, const char *resname,
780 const char **result);
781 int resource_disabled(const char *name, int unit);
782 int resource_find_match(int *anchor, const char **name, int *unit,
783 const char *resname, const char *value);
784 int resource_find_dev(int *anchor, const char *name, int *unit,
785 const char *resname, const char *value);
786 int resource_unset_value(const char *name, int unit, const char *resname);
787
788 /*
789 * Functions for maintaining and checking consistency of
790 * bus information exported to userspace.
791 */
792 int bus_data_generation_check(int generation);
793 void bus_data_generation_update(void);
794
795 /**
796 * Some convenience defines for probe routines to return. These are just
797 * suggested values, and there's nothing magical about them.
798 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no
799 * possible other driver may exist (typically legacy drivers who don't follow
800 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the
801 * suggested value that vendor supplied drivers use. This is for source or
802 * binary drivers that are not yet integrated into the FreeBSD tree. Its use
803 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value
804 * for drivers to use. It is intended that nearly all of the drivers in the
805 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that
806 * have special requirements like when there are two drivers that support
807 * overlapping series of hardware devices. In this case the one that supports
808 * the older part of the line would return this value, while the one that
809 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC
810 * is for drivers that wish to have a generic form and a specialized form,
811 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is
812 * for those buses that implement a generic device placeholder for devices on
813 * the bus that have no more specific driver for them (aka ugen).
814 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding
815 * for a device node, but accepts only devices that its parent has told it
816 * use this driver.
817 */
818 #define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */
819 #define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */
820 #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */
821 #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */
822 #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */
823 #define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */
824 #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */
825
826 /**
827 * During boot, the device tree is scanned multiple times. Each scan,
828 * or pass, drivers may be attached to devices. Each driver
829 * attachment is assigned a pass number. Drivers may only probe and
830 * attach to devices if their pass number is less than or equal to the
831 * current system-wide pass number. The default pass is the last pass
832 * and is used by most drivers. Drivers needed by the scheduler are
833 * probed in earlier passes.
834 */
835 #define BUS_PASS_ROOT 0 /* Used to attach root0. */
836 #define BUS_PASS_BUS 10 /* Buses and bridges. */
837 #define BUS_PASS_CPU 20 /* CPU devices. */
838 #define BUS_PASS_RESOURCE 30 /* Resource discovery. */
839 #define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */
840 #define BUS_PASS_TIMER 50 /* Timers and clocks. */
841 #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */
842 #define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */
843 #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */
844
845 #define BUS_PASS_ORDER_FIRST 0
846 #define BUS_PASS_ORDER_EARLY 2
847 #define BUS_PASS_ORDER_MIDDLE 5
848 #define BUS_PASS_ORDER_LATE 7
849 #define BUS_PASS_ORDER_LAST 9
850
851 #define BUS_LOCATOR_ACPI "ACPI"
852 #define BUS_LOCATOR_FREEBSD "FreeBSD"
853 #define BUS_LOCATOR_UEFI "UEFI"
854 #define BUS_LOCATOR_OFW "OFW"
855
856 int bus_get_pass(void);
857
858 /**
859 * Routines to lock / unlock the newbus lock.
860 * Must be taken out to interact with newbus.
861 */
862 void bus_topo_lock(void);
863 void bus_topo_unlock(void);
864 struct mtx * bus_topo_mtx(void);
865 void bus_topo_assert(void);
866
867 /**
868 * Shorthands for constructing method tables.
869 */
870 #define DEVMETHOD KOBJMETHOD
871 #define DEVMETHOD_END KOBJMETHOD_END
872
873 /*
874 * Some common device interfaces.
875 */
876 #include "device_if.h"
877 #include "bus_if.h"
878
879 struct module;
880
881 int driver_module_handler(struct module *, int, void *);
882
883 /**
884 * Module support for automatically adding drivers to buses.
885 */
886 struct driver_module_data {
887 int (*dmd_chainevh)(struct module *, int, void *);
888 void *dmd_chainarg;
889 const char *dmd_busname;
890 kobj_class_t dmd_driver;
891 devclass_t *dmd_devclass;
892 int dmd_pass;
893 };
894
895 #define EARLY_DRIVER_MODULE_ORDERED(_name, busname, driver, evh, arg, \
896 order, pass) \
897 \
898 static struct driver_module_data _name##_##busname##_driver_mod = { \
899 .dmd_chainevh = evh, \
900 .dmd_chainarg = arg, \
901 .dmd_busname = #busname, \
902 .dmd_driver = (kobj_class_t)&driver, \
903 .dmd_devclass = NULL, \
904 .dmd_pass = pass, \
905 }; \
906 \
907 static moduledata_t _name##_##busname##_mod = { \
908 .name = #busname "/" #_name , \
909 .evhand = driver_module_handler, \
910 .priv = &_name##_##busname##_driver_mod, \
911 }; \
912 DECLARE_MODULE(_name##_##busname, _name##_##busname##_mod, \
913 SI_SUB_DRIVERS, order)
914
915 #define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \
916 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \
917 SI_ORDER_MIDDLE, pass)
918
919 #define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \
920 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \
921 order, BUS_PASS_DEFAULT)
922
923 #define DRIVER_MODULE(name, busname, driver, evh, arg) \
924 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \
925 BUS_PASS_DEFAULT)
926
927 /**
928 * Generic ivar accessor generation macros for bus drivers
929 */
930 #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
931 \
932 static __inline type \
933 varp ## _get_ ## var(device_t dev) \
934 { \
935 uintptr_t v; \
936 int e __diagused; \
937 e = BUS_READ_IVAR(device_get_parent(dev), dev, \
938 ivarp ## _IVAR_ ## ivar, &v); \
939 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \
940 __func__, device_get_nameunit(dev), \
941 device_get_nameunit(device_get_parent(dev)), e)); \
942 return ((type) v); \
943 } \
944 \
945 static __inline void \
946 varp ## _set_ ## var(device_t dev, type t) \
947 { \
948 uintptr_t v = (uintptr_t) t; \
949 int e __diagused; \
950 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \
951 ivarp ## _IVAR_ ## ivar, v); \
952 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \
953 __func__, device_get_nameunit(dev), \
954 device_get_nameunit(device_get_parent(dev)), e)); \
955 }
956
957 struct device_location_cache;
958 typedef struct device_location_cache device_location_cache_t;
959 device_location_cache_t *dev_wired_cache_init(void);
960 void dev_wired_cache_fini(device_location_cache_t *dcp);
961 bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at);
962
963 #define DEV_PROP_NAME_IOMMU "iommu-unit"
964 typedef void (*device_prop_dtr_t)(device_t dev, const char *name, void *val,
965 void *dtr_ctx);
966 int device_set_prop(device_t dev, const char *name, void *val,
967 device_prop_dtr_t dtr, void *dtr_ctx);
968 int device_get_prop(device_t dev, const char *name, void **valp);
969 int device_clear_prop(device_t dev, const char *name);
970 void device_clear_prop_alldev(const char *name);
971
972 /**
973 * Shorthand macros, taking resource argument
974 * Generated with sys/tools/bus_macro.sh
975 */
976
977 #define bus_barrier(r, o, l, f) \
978 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f))
979 #define bus_poke_1(r, o, v) \
980 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
981 #define bus_peek_1(r, o, vp) \
982 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp))
983 #define bus_read_1(r, o) \
984 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o))
985 #define bus_read_multi_1(r, o, d, c) \
986 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
987 #define bus_read_region_1(r, o, d, c) \
988 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
989 #define bus_set_multi_1(r, o, v, c) \
990 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
991 #define bus_set_region_1(r, o, v, c) \
992 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
993 #define bus_write_1(r, o, v) \
994 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
995 #define bus_write_multi_1(r, o, d, c) \
996 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
997 #define bus_write_region_1(r, o, d, c) \
998 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
999 #define bus_read_stream_1(r, o) \
1000 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o))
1001 #define bus_read_multi_stream_1(r, o, d, c) \
1002 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1003 #define bus_read_region_stream_1(r, o, d, c) \
1004 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1005 #define bus_set_multi_stream_1(r, o, v, c) \
1006 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1007 #define bus_set_region_stream_1(r, o, v, c) \
1008 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1009 #define bus_write_stream_1(r, o, v) \
1010 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
1011 #define bus_write_multi_stream_1(r, o, d, c) \
1012 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1013 #define bus_write_region_stream_1(r, o, d, c) \
1014 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1015 #define bus_poke_2(r, o, v) \
1016 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
1017 #define bus_peek_2(r, o, vp) \
1018 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1019 #define bus_read_2(r, o) \
1020 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o))
1021 #define bus_read_multi_2(r, o, d, c) \
1022 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1023 #define bus_read_region_2(r, o, d, c) \
1024 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1025 #define bus_set_multi_2(r, o, v, c) \
1026 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1027 #define bus_set_region_2(r, o, v, c) \
1028 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1029 #define bus_write_2(r, o, v) \
1030 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
1031 #define bus_write_multi_2(r, o, d, c) \
1032 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1033 #define bus_write_region_2(r, o, d, c) \
1034 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1035 #define bus_read_stream_2(r, o) \
1036 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o))
1037 #define bus_read_multi_stream_2(r, o, d, c) \
1038 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1039 #define bus_read_region_stream_2(r, o, d, c) \
1040 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1041 #define bus_set_multi_stream_2(r, o, v, c) \
1042 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1043 #define bus_set_region_stream_2(r, o, v, c) \
1044 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1045 #define bus_write_stream_2(r, o, v) \
1046 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
1047 #define bus_write_multi_stream_2(r, o, d, c) \
1048 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1049 #define bus_write_region_stream_2(r, o, d, c) \
1050 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1051 #define bus_poke_4(r, o, v) \
1052 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
1053 #define bus_peek_4(r, o, vp) \
1054 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1055 #define bus_read_4(r, o) \
1056 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o))
1057 #define bus_read_multi_4(r, o, d, c) \
1058 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1059 #define bus_read_region_4(r, o, d, c) \
1060 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1061 #define bus_set_multi_4(r, o, v, c) \
1062 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1063 #define bus_set_region_4(r, o, v, c) \
1064 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1065 #define bus_write_4(r, o, v) \
1066 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
1067 #define bus_write_multi_4(r, o, d, c) \
1068 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1069 #define bus_write_region_4(r, o, d, c) \
1070 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1071 #define bus_read_stream_4(r, o) \
1072 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o))
1073 #define bus_read_multi_stream_4(r, o, d, c) \
1074 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1075 #define bus_read_region_stream_4(r, o, d, c) \
1076 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1077 #define bus_set_multi_stream_4(r, o, v, c) \
1078 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1079 #define bus_set_region_stream_4(r, o, v, c) \
1080 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1081 #define bus_write_stream_4(r, o, v) \
1082 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
1083 #define bus_write_multi_stream_4(r, o, d, c) \
1084 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1085 #define bus_write_region_stream_4(r, o, d, c) \
1086 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1087 #define bus_poke_8(r, o, v) \
1088 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
1089 #define bus_peek_8(r, o, vp) \
1090 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1091 #define bus_read_8(r, o) \
1092 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o))
1093 #define bus_read_multi_8(r, o, d, c) \
1094 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1095 #define bus_read_region_8(r, o, d, c) \
1096 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1097 #define bus_set_multi_8(r, o, v, c) \
1098 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1099 #define bus_set_region_8(r, o, v, c) \
1100 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1101 #define bus_write_8(r, o, v) \
1102 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
1103 #define bus_write_multi_8(r, o, d, c) \
1104 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1105 #define bus_write_region_8(r, o, d, c) \
1106 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1107 #define bus_read_stream_8(r, o) \
1108 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o))
1109 #define bus_read_multi_stream_8(r, o, d, c) \
1110 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1111 #define bus_read_region_stream_8(r, o, d, c) \
1112 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1113 #define bus_set_multi_stream_8(r, o, v, c) \
1114 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1115 #define bus_set_region_stream_8(r, o, v, c) \
1116 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1117 #define bus_write_stream_8(r, o, v) \
1118 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
1119 #define bus_write_multi_stream_8(r, o, d, c) \
1120 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1121 #define bus_write_region_stream_8(r, o, d, c) \
1122 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1123 #endif /* _KERNEL */
1124
1125 #endif /* !_SYS_BUS_H_ */
1126