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 *
bus_alloc_resource_any(device_t dev,int type,int rid,u_int flags)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 *
bus_alloc_resource_anywhere(device_t dev,int type,int rid,rman_res_t count,u_int flags)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 *
bus_alloc_resource_var(device_t dev,int type,int * rid,rman_res_t start,rman_res_t end,rman_res_t count,u_int flags)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 *
bus_alloc_resource_any_var(device_t dev,int type,int * rid,u_int flags)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 *
bus_alloc_resource_anywhere_var(device_t dev,int type,int * rid,rman_res_t count,u_int flags)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 device_state_t device_get_state(device_t dev);
728 int device_get_unit(device_t dev);
729 struct sysctl_ctx_list *device_get_sysctl_ctx(device_t dev);
730 struct sysctl_oid *device_get_sysctl_tree(device_t dev);
731 bool device_has_children(device_t dev);
732 int device_has_quiet_children(device_t dev);
733 int device_is_alive(device_t dev); /* did probe succeed? */
734 int device_is_attached(device_t dev); /* did attach succeed? */
735 int device_is_enabled(device_t dev);
736 int device_is_suspended(device_t dev);
737 int device_is_quiet(device_t dev);
738 device_t device_lookup_by_name(const char *name);
739 int device_print_prettyname(device_t dev);
740 int device_printf(device_t dev, const char *, ...) __printflike(2, 3);
741 int device_log(device_t dev, int pri, const char *, ...) __printflike(3, 4);
742 int device_probe(device_t dev);
743 int device_probe_and_attach(device_t dev);
744 int device_probe_child(device_t bus, device_t dev);
745 int device_quiesce(device_t dev);
746 void device_quiet(device_t dev);
747 void device_quiet_children(device_t dev);
748 void device_set_desc(device_t dev, const char *desc);
749 void device_set_descf(device_t dev, const char *fmt, ...) __printflike(2, 3);
750 void device_set_desc_copy(device_t dev, const char *desc);
751 int device_set_devclass(device_t dev, const char *classname);
752 int device_set_devclass_fixed(device_t dev, const char *classname);
753 bool device_is_devclass_fixed(device_t dev);
754 int device_set_driver(device_t dev, driver_t *driver);
755 void device_set_flags(device_t dev, u_int32_t flags);
756 void device_set_softc(device_t dev, void *softc);
757 void device_free_softc(void *softc);
758 void device_claim_softc(device_t dev);
759 int device_set_unit(device_t dev, int unit); /* XXX DONT USE XXX */
760 int device_shutdown(device_t dev);
761 void device_unbusy(device_t dev);
762 void device_verbose(device_t dev);
763 ssize_t device_get_property(device_t dev, const char *prop, void *val,
764 size_t sz, device_property_type_t type);
765 bool device_has_property(device_t dev, const char *prop);
766
767 /*
768 * Access functions for devclass.
769 */
770 int devclass_add_driver(devclass_t dc, driver_t *driver,
771 int pass, devclass_t *dcp);
772 devclass_t devclass_create(const char *classname);
773 int devclass_delete_driver(devclass_t busclass, driver_t *driver);
774 devclass_t devclass_find(const char *classname);
775 const char *devclass_get_name(devclass_t dc);
776 device_t devclass_get_device(devclass_t dc, int unit);
777 void *devclass_get_softc(devclass_t dc, int unit);
778 int devclass_get_devices(devclass_t dc, device_t **listp, int *countp);
779 int devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp);
780 int devclass_get_count(devclass_t dc);
781 int devclass_get_maxunit(devclass_t dc);
782 int devclass_find_free_unit(devclass_t dc, int unit);
783 void devclass_set_parent(devclass_t dc, devclass_t pdc);
784 devclass_t devclass_get_parent(devclass_t dc);
785 struct sysctl_ctx_list *devclass_get_sysctl_ctx(devclass_t dc);
786 struct sysctl_oid *devclass_get_sysctl_tree(devclass_t dc);
787
788 /*
789 * Access functions for device resources.
790 */
791 int resource_int_value(const char *name, int unit, const char *resname,
792 int *result);
793 int resource_long_value(const char *name, int unit, const char *resname,
794 long *result);
795 int resource_string_value(const char *name, int unit, const char *resname,
796 const char **result);
797 int resource_disabled(const char *name, int unit);
798 int resource_find_match(int *anchor, const char **name, int *unit,
799 const char *resname, const char *value);
800 int resource_find_dev(int *anchor, const char *name, int *unit,
801 const char *resname, const char *value);
802 int resource_unset_value(const char *name, int unit, const char *resname);
803
804 /*
805 * Functions for maintaining and checking consistency of
806 * bus information exported to userspace.
807 */
808 int bus_data_generation_check(int generation);
809 void bus_data_generation_update(void);
810
811 /**
812 * Some convenience defines for probe routines to return. These are just
813 * suggested values, and there's nothing magical about them.
814 * BUS_PROBE_SPECIFIC is for devices that cannot be reprobed, and that no
815 * possible other driver may exist (typically legacy drivers who don't follow
816 * all the rules, or special needs drivers). BUS_PROBE_VENDOR is the
817 * suggested value that vendor supplied drivers use. This is for source or
818 * binary drivers that are not yet integrated into the FreeBSD tree. Its use
819 * in the base OS is prohibited. BUS_PROBE_DEFAULT is the normal return value
820 * for drivers to use. It is intended that nearly all of the drivers in the
821 * tree should return this value. BUS_PROBE_LOW_PRIORITY are for drivers that
822 * have special requirements like when there are two drivers that support
823 * overlapping series of hardware devices. In this case the one that supports
824 * the older part of the line would return this value, while the one that
825 * supports the newer ones would return BUS_PROBE_DEFAULT. BUS_PROBE_GENERIC
826 * is for drivers that wish to have a generic form and a specialized form,
827 * like is done with the pci bus and the acpi pci bus. BUS_PROBE_HOOVER is
828 * for those buses that implement a generic device placeholder for devices on
829 * the bus that have no more specific driver for them (aka ugen).
830 * BUS_PROBE_NOWILDCARD or lower means that the device isn't really bidding
831 * for a device node, but accepts only devices that its parent has told it
832 * use this driver.
833 */
834 #define BUS_PROBE_SPECIFIC 0 /* Only I can use this device */
835 #define BUS_PROBE_VENDOR (-10) /* Vendor supplied driver */
836 #define BUS_PROBE_DEFAULT (-20) /* Base OS default driver */
837 #define BUS_PROBE_LOW_PRIORITY (-40) /* Older, less desirable drivers */
838 #define BUS_PROBE_GENERIC (-100) /* generic driver for dev */
839 #define BUS_PROBE_HOOVER (-1000000) /* Driver for any dev on bus */
840 #define BUS_PROBE_NOWILDCARD (-2000000000) /* No wildcard device matches */
841
842 /**
843 * During boot, the device tree is scanned multiple times. Each scan,
844 * or pass, drivers may be attached to devices. Each driver
845 * attachment is assigned a pass number. Drivers may only probe and
846 * attach to devices if their pass number is less than or equal to the
847 * current system-wide pass number. The default pass is the last pass
848 * and is used by most drivers. Drivers needed by the scheduler are
849 * probed in earlier passes.
850 */
851 #define BUS_PASS_ROOT 0 /* Used to attach root0. */
852 #define BUS_PASS_BUS 10 /* Buses and bridges. */
853 #define BUS_PASS_CPU 20 /* CPU devices. */
854 #define BUS_PASS_RESOURCE 30 /* Resource discovery. */
855 #define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */
856 #define BUS_PASS_TIMER 50 /* Timers and clocks. */
857 #define BUS_PASS_SCHEDULER 60 /* Start scheduler. */
858 #define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */
859 #define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */
860
861 #define BUS_PASS_ORDER_FIRST 0
862 #define BUS_PASS_ORDER_EARLY 2
863 #define BUS_PASS_ORDER_MIDDLE 5
864 #define BUS_PASS_ORDER_LATE 7
865 #define BUS_PASS_ORDER_LAST 9
866
867 #define BUS_LOCATOR_ACPI "ACPI"
868 #define BUS_LOCATOR_FREEBSD "FreeBSD"
869 #define BUS_LOCATOR_UEFI "UEFI"
870 #define BUS_LOCATOR_OFW "OFW"
871
872 int bus_get_pass(void);
873
874 /**
875 * Routines to lock / unlock the newbus lock.
876 * Must be taken out to interact with newbus.
877 */
878 void bus_topo_lock(void);
879 void bus_topo_unlock(void);
880 struct mtx * bus_topo_mtx(void);
881 void bus_topo_assert(void);
882
883 /**
884 * Shorthands for constructing method tables.
885 */
886 #define DEVMETHOD KOBJMETHOD
887 #define DEVMETHOD_END KOBJMETHOD_END
888
889 /*
890 * Some common device interfaces.
891 */
892 #include "device_if.h"
893 #include "bus_if.h"
894
895 struct module;
896
897 int driver_module_handler(struct module *, int, void *);
898
899 /**
900 * Module support for automatically adding drivers to buses.
901 */
902 struct driver_module_data {
903 int (*dmd_chainevh)(struct module *, int, void *);
904 void *dmd_chainarg;
905 const char *dmd_busname;
906 kobj_class_t dmd_driver;
907 devclass_t *dmd_devclass;
908 int dmd_pass;
909 };
910
911 #define EARLY_DRIVER_MODULE_ORDERED(_name, busname, driver, evh, arg, \
912 order, pass) \
913 \
914 static struct driver_module_data _name##_##busname##_driver_mod = { \
915 .dmd_chainevh = evh, \
916 .dmd_chainarg = arg, \
917 .dmd_busname = #busname, \
918 .dmd_driver = (kobj_class_t)&driver, \
919 .dmd_devclass = NULL, \
920 .dmd_pass = pass, \
921 }; \
922 \
923 static moduledata_t _name##_##busname##_mod = { \
924 .name = #busname "/" #_name , \
925 .evhand = driver_module_handler, \
926 .priv = &_name##_##busname##_driver_mod, \
927 }; \
928 DECLARE_MODULE(_name##_##busname, _name##_##busname##_mod, \
929 SI_SUB_DRIVERS, order)
930
931 #define EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, pass) \
932 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \
933 SI_ORDER_MIDDLE, pass)
934
935 #define DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, order) \
936 EARLY_DRIVER_MODULE_ORDERED(name, busname, driver, evh, arg, \
937 order, BUS_PASS_DEFAULT)
938
939 #define DRIVER_MODULE(name, busname, driver, evh, arg) \
940 EARLY_DRIVER_MODULE(name, busname, driver, evh, arg, \
941 BUS_PASS_DEFAULT)
942
943 /**
944 * Generic ivar accessor generation macros for bus drivers
945 */
946 #define __BUS_ACCESSOR_COMMON(varp, var, ivarp, ivar, type) \
947 \
948 static __inline bool \
949 varp ## _has_ ## var(device_t dev) \
950 { \
951 uintptr_t v = 0; \
952 int e; \
953 \
954 e = BUS_READ_IVAR(device_get_parent(dev), dev, \
955 ivarp ## _IVAR_ ## ivar, &v); \
956 return (e == 0); \
957 } \
958 \
959 static __inline void \
960 varp ## _set_ ## var(device_t dev, type t) \
961 { \
962 uintptr_t v = (uintptr_t) t; \
963 int e __diagused; \
964 e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \
965 ivarp ## _IVAR_ ## ivar, v); \
966 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \
967 __func__, device_get_nameunit(dev), \
968 device_get_nameunit(device_get_parent(dev)), e)); \
969 }
970
971 #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
972 __BUS_ACCESSOR_COMMON(varp, var, ivarp, ivar, type) \
973 \
974 static __inline type \
975 varp ## _get_ ## var(device_t dev) \
976 { \
977 uintptr_t v = 0; \
978 int e __diagused; \
979 \
980 e = BUS_READ_IVAR(device_get_parent(dev), dev, \
981 ivarp ## _IVAR_ ## ivar, &v); \
982 KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \
983 __func__, device_get_nameunit(dev), \
984 device_get_nameunit(device_get_parent(dev)), e)); \
985 return ((type) v); \
986 }
987
988 #define __BUS_ACCESSOR_DEFAULT(varp, var, ivarp, ivar, type, default) \
989 __BUS_ACCESSOR_COMMON(varp, var, ivarp, ivar, type) \
990 \
991 static __inline type \
992 varp ## _get_ ## var(device_t dev) \
993 { \
994 uintptr_t v = 0; \
995 int e; \
996 \
997 e = BUS_READ_IVAR(device_get_parent(dev), dev, \
998 ivarp ## _IVAR_ ## ivar, &v); \
999 return (e == 0 ? (type) v : (default)); \
1000 }
1001
1002 struct device_location_cache;
1003 typedef struct device_location_cache device_location_cache_t;
1004 device_location_cache_t *dev_wired_cache_init(void);
1005 void dev_wired_cache_fini(device_location_cache_t *dcp);
1006 bool dev_wired_cache_match(device_location_cache_t *dcp, device_t dev, const char *at);
1007
1008 #define DEV_PROP_NAME_IOMMU "iommu-unit"
1009 typedef void (*device_prop_dtr_t)(device_t dev, const char *name, void *val,
1010 void *dtr_ctx);
1011 int device_set_prop(device_t dev, const char *name, void *val,
1012 device_prop_dtr_t dtr, void *dtr_ctx);
1013 int device_get_prop(device_t dev, const char *name, void **valp);
1014 int device_clear_prop(device_t dev, const char *name);
1015 void device_clear_prop_alldev(const char *name);
1016
1017 /**
1018 * Shorthand macros, taking resource argument
1019 * Generated with sys/tools/bus_macro.sh
1020 */
1021
1022 #define bus_barrier(r, o, l, f) \
1023 bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f))
1024 #define bus_poke_1(r, o, v) \
1025 bus_space_poke_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
1026 #define bus_peek_1(r, o, vp) \
1027 bus_space_peek_1((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1028 #define bus_read_1(r, o) \
1029 bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o))
1030 #define bus_read_multi_1(r, o, d, c) \
1031 bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1032 #define bus_read_region_1(r, o, d, c) \
1033 bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1034 #define bus_set_multi_1(r, o, v, c) \
1035 bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1036 #define bus_set_region_1(r, o, v, c) \
1037 bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1038 #define bus_write_1(r, o, v) \
1039 bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
1040 #define bus_write_multi_1(r, o, d, c) \
1041 bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1042 #define bus_write_region_1(r, o, d, c) \
1043 bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1044 #define bus_read_stream_1(r, o) \
1045 bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o))
1046 #define bus_read_multi_stream_1(r, o, d, c) \
1047 bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1048 #define bus_read_region_stream_1(r, o, d, c) \
1049 bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1050 #define bus_set_multi_stream_1(r, o, v, c) \
1051 bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1052 #define bus_set_region_stream_1(r, o, v, c) \
1053 bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1054 #define bus_write_stream_1(r, o, v) \
1055 bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
1056 #define bus_write_multi_stream_1(r, o, d, c) \
1057 bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1058 #define bus_write_region_stream_1(r, o, d, c) \
1059 bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1060 #define bus_poke_2(r, o, v) \
1061 bus_space_poke_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
1062 #define bus_peek_2(r, o, vp) \
1063 bus_space_peek_2((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1064 #define bus_read_2(r, o) \
1065 bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o))
1066 #define bus_read_multi_2(r, o, d, c) \
1067 bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1068 #define bus_read_region_2(r, o, d, c) \
1069 bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1070 #define bus_set_multi_2(r, o, v, c) \
1071 bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1072 #define bus_set_region_2(r, o, v, c) \
1073 bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1074 #define bus_write_2(r, o, v) \
1075 bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
1076 #define bus_write_multi_2(r, o, d, c) \
1077 bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1078 #define bus_write_region_2(r, o, d, c) \
1079 bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1080 #define bus_read_stream_2(r, o) \
1081 bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o))
1082 #define bus_read_multi_stream_2(r, o, d, c) \
1083 bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1084 #define bus_read_region_stream_2(r, o, d, c) \
1085 bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1086 #define bus_set_multi_stream_2(r, o, v, c) \
1087 bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1088 #define bus_set_region_stream_2(r, o, v, c) \
1089 bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1090 #define bus_write_stream_2(r, o, v) \
1091 bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
1092 #define bus_write_multi_stream_2(r, o, d, c) \
1093 bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1094 #define bus_write_region_stream_2(r, o, d, c) \
1095 bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1096 #define bus_poke_4(r, o, v) \
1097 bus_space_poke_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
1098 #define bus_peek_4(r, o, vp) \
1099 bus_space_peek_4((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1100 #define bus_read_4(r, o) \
1101 bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o))
1102 #define bus_read_multi_4(r, o, d, c) \
1103 bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1104 #define bus_read_region_4(r, o, d, c) \
1105 bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1106 #define bus_set_multi_4(r, o, v, c) \
1107 bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1108 #define bus_set_region_4(r, o, v, c) \
1109 bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1110 #define bus_write_4(r, o, v) \
1111 bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
1112 #define bus_write_multi_4(r, o, d, c) \
1113 bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1114 #define bus_write_region_4(r, o, d, c) \
1115 bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1116 #define bus_read_stream_4(r, o) \
1117 bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o))
1118 #define bus_read_multi_stream_4(r, o, d, c) \
1119 bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1120 #define bus_read_region_stream_4(r, o, d, c) \
1121 bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1122 #define bus_set_multi_stream_4(r, o, v, c) \
1123 bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1124 #define bus_set_region_stream_4(r, o, v, c) \
1125 bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1126 #define bus_write_stream_4(r, o, v) \
1127 bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
1128 #define bus_write_multi_stream_4(r, o, d, c) \
1129 bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1130 #define bus_write_region_stream_4(r, o, d, c) \
1131 bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1132 #define bus_poke_8(r, o, v) \
1133 bus_space_poke_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
1134 #define bus_peek_8(r, o, vp) \
1135 bus_space_peek_8((r)->r_bustag, (r)->r_bushandle, (o), (vp))
1136 #define bus_read_8(r, o) \
1137 bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o))
1138 #define bus_read_multi_8(r, o, d, c) \
1139 bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1140 #define bus_read_region_8(r, o, d, c) \
1141 bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1142 #define bus_set_multi_8(r, o, v, c) \
1143 bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1144 #define bus_set_region_8(r, o, v, c) \
1145 bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1146 #define bus_write_8(r, o, v) \
1147 bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
1148 #define bus_write_multi_8(r, o, d, c) \
1149 bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1150 #define bus_write_region_8(r, o, d, c) \
1151 bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1152 #define bus_read_stream_8(r, o) \
1153 bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o))
1154 #define bus_read_multi_stream_8(r, o, d, c) \
1155 bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1156 #define bus_read_region_stream_8(r, o, d, c) \
1157 bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1158 #define bus_set_multi_stream_8(r, o, v, c) \
1159 bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1160 #define bus_set_region_stream_8(r, o, v, c) \
1161 bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
1162 #define bus_write_stream_8(r, o, v) \
1163 bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
1164 #define bus_write_multi_stream_8(r, o, d, c) \
1165 bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1166 #define bus_write_region_stream_8(r, o, d, c) \
1167 bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
1168 #endif /* _KERNEL */
1169
1170 #endif /* !_SYS_BUS_H_ */
1171