FreeBSD/Linux Kernel Cross Reference
sys/sys/bus_proto.h
1 /* $NetBSD: bus_proto.h,v 1.14 2022/01/15 07:11:26 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 1996, 1997, 1998, 2001, 2007 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center, and by Andrew Doran.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Copyright (c) 1996 Charles M. Hannum. All rights reserved.
35 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by Christopher G. Demetriou
48 * for the NetBSD Project.
49 * 4. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
53 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
54 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
55 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
56 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
57 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
61 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64 #ifndef _SYS_BUS_PROTO_H_
65 #define _SYS_BUS_PROTO_H_
66
67 #ifdef _KERNEL_OPT
68 #include "opt_kasan.h"
69 #include "opt_kcsan.h"
70 #include "opt_kmsan.h"
71 #endif
72
73 /*
74 * Forwards needed by prototypes below.
75 */
76 struct mbuf;
77 struct uio;
78
79 /*
80 * bus_space(9)
81 */
82
83 /* Map types. */
84 #define BUS_SPACE_MAP_CACHEABLE 0x01
85 #define BUS_SPACE_MAP_LINEAR 0x02
86 #define BUS_SPACE_MAP_PREFETCHABLE 0x04
87
88 /* Bus read/write barrier methods. */
89 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
90 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
91
92 int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t, int,
93 bus_space_handle_t *);
94
95 void bus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t);
96
97 int bus_space_subregion(bus_space_tag_t, bus_space_handle_t,
98 bus_size_t, bus_size_t, bus_space_handle_t *);
99
100 int bus_space_alloc(bus_space_tag_t, bus_addr_t, bus_addr_t,
101 bus_size_t, bus_size_t, bus_size_t,
102 int, bus_addr_t *, bus_space_handle_t *);
103
104 void bus_space_free(bus_space_tag_t, bus_space_handle_t, bus_size_t);
105
106 paddr_t bus_space_mmap(bus_space_tag_t, bus_addr_t, off_t, int, int);
107
108 void *bus_space_vaddr(bus_space_tag_t, bus_space_handle_t);
109
110 void bus_space_barrier(bus_space_tag_t tag, bus_space_handle_t bsh,
111 bus_size_t offset, bus_size_t len, int flags);
112
113 /*
114 * bus_space(9) accessors
115 */
116
117 uint8_t bus_space_read_1(bus_space_tag_t, bus_space_handle_t,
118 bus_size_t);
119 uint8_t bus_space_read_stream_1(bus_space_tag_t, bus_space_handle_t,
120 bus_size_t);
121
122 uint16_t bus_space_read_2(bus_space_tag_t, bus_space_handle_t,
123 bus_size_t);
124 uint16_t bus_space_read_stream_2(bus_space_tag_t, bus_space_handle_t,
125 bus_size_t);
126
127 uint32_t bus_space_read_4(bus_space_tag_t, bus_space_handle_t,
128 bus_size_t);
129 uint32_t bus_space_read_stream_4(bus_space_tag_t, bus_space_handle_t,
130 bus_size_t);
131
132 #ifdef __HAVE_BUS_SPACE_8
133 uint64_t bus_space_read_8(bus_space_tag_t, bus_space_handle_t,
134 bus_size_t);
135 uint64_t bus_space_read_stream_8(bus_space_tag_t, bus_space_handle_t,
136 bus_size_t);
137 #endif
138
139 #if defined(KASAN) && defined(__HAVE_KASAN_INSTR_BUS)
140 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \
141 void kasan_bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
142 bus_size_t, uint##bits##_t *, bus_size_t); \
143 void kasan_bus_space_read_multi_stream_##bytes(bus_space_tag_t, \
144 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \
145 void kasan_bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
146 bus_size_t, uint##bits##_t *, bus_size_t); \
147 void kasan_bus_space_read_region_stream_##bytes(bus_space_tag_t, \
148 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t);
149 #define bus_space_read_multi_1 kasan_bus_space_read_multi_1
150 #define bus_space_read_multi_2 kasan_bus_space_read_multi_2
151 #define bus_space_read_multi_4 kasan_bus_space_read_multi_4
152 #define bus_space_read_multi_8 kasan_bus_space_read_multi_8
153 #define bus_space_read_multi_stream_1 kasan_bus_space_read_multi_stream_1
154 #define bus_space_read_multi_stream_2 kasan_bus_space_read_multi_stream_2
155 #define bus_space_read_multi_stream_4 kasan_bus_space_read_multi_stream_4
156 #define bus_space_read_multi_stream_8 kasan_bus_space_read_multi_stream_8
157 #define bus_space_read_region_1 kasan_bus_space_read_region_1
158 #define bus_space_read_region_2 kasan_bus_space_read_region_2
159 #define bus_space_read_region_4 kasan_bus_space_read_region_4
160 #define bus_space_read_region_8 kasan_bus_space_read_region_8
161 #define bus_space_read_region_stream_1 kasan_bus_space_read_region_stream_1
162 #define bus_space_read_region_stream_2 kasan_bus_space_read_region_stream_2
163 #define bus_space_read_region_stream_4 kasan_bus_space_read_region_stream_4
164 #define bus_space_read_region_stream_8 kasan_bus_space_read_region_stream_8
165 #elif defined(KCSAN)
166 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \
167 void kcsan_bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
168 bus_size_t, uint##bits##_t *, bus_size_t); \
169 void kcsan_bus_space_read_multi_stream_##bytes(bus_space_tag_t, \
170 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \
171 void kcsan_bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
172 bus_size_t, uint##bits##_t *, bus_size_t); \
173 void kcsan_bus_space_read_region_stream_##bytes(bus_space_tag_t, \
174 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t);
175 #define bus_space_read_multi_1 kcsan_bus_space_read_multi_1
176 #define bus_space_read_multi_2 kcsan_bus_space_read_multi_2
177 #define bus_space_read_multi_4 kcsan_bus_space_read_multi_4
178 #define bus_space_read_multi_8 kcsan_bus_space_read_multi_8
179 #define bus_space_read_multi_stream_1 kcsan_bus_space_read_multi_stream_1
180 #define bus_space_read_multi_stream_2 kcsan_bus_space_read_multi_stream_2
181 #define bus_space_read_multi_stream_4 kcsan_bus_space_read_multi_stream_4
182 #define bus_space_read_multi_stream_8 kcsan_bus_space_read_multi_stream_8
183 #define bus_space_read_region_1 kcsan_bus_space_read_region_1
184 #define bus_space_read_region_2 kcsan_bus_space_read_region_2
185 #define bus_space_read_region_4 kcsan_bus_space_read_region_4
186 #define bus_space_read_region_8 kcsan_bus_space_read_region_8
187 #define bus_space_read_region_stream_1 kcsan_bus_space_read_region_stream_1
188 #define bus_space_read_region_stream_2 kcsan_bus_space_read_region_stream_2
189 #define bus_space_read_region_stream_4 kcsan_bus_space_read_region_stream_4
190 #define bus_space_read_region_stream_8 kcsan_bus_space_read_region_stream_8
191 #elif defined(KMSAN)
192 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \
193 void kmsan_bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
194 bus_size_t, uint##bits##_t *, bus_size_t); \
195 void kmsan_bus_space_read_multi_stream_##bytes(bus_space_tag_t, \
196 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \
197 void kmsan_bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
198 bus_size_t, uint##bits##_t *, bus_size_t); \
199 void kmsan_bus_space_read_region_stream_##bytes(bus_space_tag_t, \
200 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t);
201 #define bus_space_read_multi_1 kmsan_bus_space_read_multi_1
202 #define bus_space_read_multi_2 kmsan_bus_space_read_multi_2
203 #define bus_space_read_multi_4 kmsan_bus_space_read_multi_4
204 #define bus_space_read_multi_8 kmsan_bus_space_read_multi_8
205 #define bus_space_read_multi_stream_1 kmsan_bus_space_read_multi_stream_1
206 #define bus_space_read_multi_stream_2 kmsan_bus_space_read_multi_stream_2
207 #define bus_space_read_multi_stream_4 kmsan_bus_space_read_multi_stream_4
208 #define bus_space_read_multi_stream_8 kmsan_bus_space_read_multi_stream_8
209 #define bus_space_read_region_1 kmsan_bus_space_read_region_1
210 #define bus_space_read_region_2 kmsan_bus_space_read_region_2
211 #define bus_space_read_region_4 kmsan_bus_space_read_region_4
212 #define bus_space_read_region_8 kmsan_bus_space_read_region_8
213 #define bus_space_read_region_stream_1 kmsan_bus_space_read_region_stream_1
214 #define bus_space_read_region_stream_2 kmsan_bus_space_read_region_stream_2
215 #define bus_space_read_region_stream_4 kmsan_bus_space_read_region_stream_4
216 #define bus_space_read_region_stream_8 kmsan_bus_space_read_region_stream_8
217 #else
218 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \
219 void bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
220 bus_size_t, uint##bits##_t *, bus_size_t); \
221 void bus_space_read_multi_stream_##bytes(bus_space_tag_t, \
222 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \
223 void bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
224 bus_size_t, uint##bits##_t *, bus_size_t); \
225 void bus_space_read_region_stream_##bytes(bus_space_tag_t, \
226 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t);
227 #endif
228
229 BUS_SPACE_READ_MEM_PROTOS(1, 8)
230 BUS_SPACE_READ_MEM_PROTOS(2, 16)
231 BUS_SPACE_READ_MEM_PROTOS(4, 32)
232 BUS_SPACE_READ_MEM_PROTOS(8, 64)
233
234 void bus_space_write_1(bus_space_tag_t, bus_space_handle_t,
235 bus_size_t, uint8_t);
236 void bus_space_write_stream_1(bus_space_tag_t, bus_space_handle_t,
237 bus_size_t, uint8_t);
238
239 void bus_space_write_2(bus_space_tag_t, bus_space_handle_t,
240 bus_size_t, uint16_t);
241 void bus_space_write_stream_2(bus_space_tag_t, bus_space_handle_t,
242 bus_size_t, uint16_t);
243
244 void bus_space_write_4(bus_space_tag_t, bus_space_handle_t,
245 bus_size_t, uint32_t);
246 void bus_space_write_stream_4(bus_space_tag_t, bus_space_handle_t,
247 bus_size_t, uint32_t);
248
249 #ifdef __HAVE_BUS_SPACE_8
250 void bus_space_write_8(bus_space_tag_t, bus_space_handle_t,
251 bus_size_t, uint64_t);
252 void bus_space_write_stream_8(bus_space_tag_t, bus_space_handle_t,
253 bus_size_t, uint64_t);
254 #endif
255
256 #if defined(KASAN) && defined(__HAVE_KASAN_INSTR_BUS)
257 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \
258 void kasan_bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
259 bus_size_t, const uint##bits##_t *, bus_size_t); \
260 void kasan_bus_space_write_multi_stream_##bytes(bus_space_tag_t, \
261 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); \
262 void kasan_bus_space_write_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
263 bus_size_t, const uint##bits##_t *, bus_size_t); \
264 void kasan_bus_space_write_region_stream_##bytes(bus_space_tag_t, \
265 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t);
266 #define bus_space_write_multi_1 kasan_bus_space_write_multi_1
267 #define bus_space_write_multi_2 kasan_bus_space_write_multi_2
268 #define bus_space_write_multi_4 kasan_bus_space_write_multi_4
269 #define bus_space_write_multi_8 kasan_bus_space_write_multi_8
270 #define bus_space_write_multi_stream_1 kasan_bus_space_write_multi_stream_1
271 #define bus_space_write_multi_stream_2 kasan_bus_space_write_multi_stream_2
272 #define bus_space_write_multi_stream_4 kasan_bus_space_write_multi_stream_4
273 #define bus_space_write_multi_stream_8 kasan_bus_space_write_multi_stream_8
274 #define bus_space_write_region_1 kasan_bus_space_write_region_1
275 #define bus_space_write_region_2 kasan_bus_space_write_region_2
276 #define bus_space_write_region_4 kasan_bus_space_write_region_4
277 #define bus_space_write_region_8 kasan_bus_space_write_region_8
278 #define bus_space_write_region_stream_1 kasan_bus_space_write_region_stream_1
279 #define bus_space_write_region_stream_2 kasan_bus_space_write_region_stream_2
280 #define bus_space_write_region_stream_4 kasan_bus_space_write_region_stream_4
281 #define bus_space_write_region_stream_8 kasan_bus_space_write_region_stream_8
282 #elif defined(KCSAN)
283 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \
284 void kcsan_bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
285 bus_size_t, const uint##bits##_t *, bus_size_t); \
286 void kcsan_bus_space_write_multi_stream_##bytes(bus_space_tag_t, \
287 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); \
288 void kcsan_bus_space_write_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
289 bus_size_t, const uint##bits##_t *, bus_size_t); \
290 void kcsan_bus_space_write_region_stream_##bytes(bus_space_tag_t, \
291 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t);
292 #define bus_space_write_multi_1 kcsan_bus_space_write_multi_1
293 #define bus_space_write_multi_2 kcsan_bus_space_write_multi_2
294 #define bus_space_write_multi_4 kcsan_bus_space_write_multi_4
295 #define bus_space_write_multi_8 kcsan_bus_space_write_multi_8
296 #define bus_space_write_multi_stream_1 kcsan_bus_space_write_multi_stream_1
297 #define bus_space_write_multi_stream_2 kcsan_bus_space_write_multi_stream_2
298 #define bus_space_write_multi_stream_4 kcsan_bus_space_write_multi_stream_4
299 #define bus_space_write_multi_stream_8 kcsan_bus_space_write_multi_stream_8
300 #define bus_space_write_region_1 kcsan_bus_space_write_region_1
301 #define bus_space_write_region_2 kcsan_bus_space_write_region_2
302 #define bus_space_write_region_4 kcsan_bus_space_write_region_4
303 #define bus_space_write_region_8 kcsan_bus_space_write_region_8
304 #define bus_space_write_region_stream_1 kcsan_bus_space_write_region_stream_1
305 #define bus_space_write_region_stream_2 kcsan_bus_space_write_region_stream_2
306 #define bus_space_write_region_stream_4 kcsan_bus_space_write_region_stream_4
307 #define bus_space_write_region_stream_8 kcsan_bus_space_write_region_stream_8
308 #elif defined(KMSAN)
309 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \
310 void kmsan_bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
311 bus_size_t, const uint##bits##_t *, bus_size_t); \
312 void kmsan_bus_space_write_multi_stream_##bytes(bus_space_tag_t, \
313 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); \
314 void kmsan_bus_space_write_region_##bytes(bus_space_tag_t, bus_space_handle_t, \
315 bus_size_t, const uint##bits##_t *, bus_size_t); \
316 void kmsan_bus_space_write_region_stream_##bytes(bus_space_tag_t, \
317 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t);
318 #define bus_space_write_multi_1 kmsan_bus_space_write_multi_1
319 #define bus_space_write_multi_2 kmsan_bus_space_write_multi_2
320 #define bus_space_write_multi_4 kmsan_bus_space_write_multi_4
321 #define bus_space_write_multi_8 kmsan_bus_space_write_multi_8
322 #define bus_space_write_multi_stream_1 kmsan_bus_space_write_multi_stream_1
323 #define bus_space_write_multi_stream_2 kmsan_bus_space_write_multi_stream_2
324 #define bus_space_write_multi_stream_4 kmsan_bus_space_write_multi_stream_4
325 #define bus_space_write_multi_stream_8 kmsan_bus_space_write_multi_stream_8
326 #define bus_space_write_region_1 kmsan_bus_space_write_region_1
327 #define bus_space_write_region_2 kmsan_bus_space_write_region_2
328 #define bus_space_write_region_4 kmsan_bus_space_write_region_4
329 #define bus_space_write_region_8 kmsan_bus_space_write_region_8
330 #define bus_space_write_region_stream_1 kmsan_bus_space_write_region_stream_1
331 #define bus_space_write_region_stream_2 kmsan_bus_space_write_region_stream_2
332 #define bus_space_write_region_stream_4 kmsan_bus_space_write_region_stream_4
333 #define bus_space_write_region_stream_8 kmsan_bus_space_write_region_stream_8
334 #else
335 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \
336 void bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \
337 bus_size_t, const uint##bits##_t *, bus_size_t); \
338 void bus_space_write_multi_stream_##bytes(bus_space_tag_t, \
339 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t);\
340 void bus_space_write_region_##bytes(bus_space_tag_t, bus_space_handle_t,\
341 bus_size_t, const uint##bits##_t *, bus_size_t); \
342 void bus_space_write_region_stream_##bytes(bus_space_tag_t, \
343 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t);
344 #endif
345
346 BUS_SPACE_WRITE_MEM_PROTOS(1, 8)
347 BUS_SPACE_WRITE_MEM_PROTOS(2, 16)
348 BUS_SPACE_WRITE_MEM_PROTOS(4, 32)
349 BUS_SPACE_WRITE_MEM_PROTOS(8, 64)
350
351 void bus_space_set_multi_1(bus_space_tag_t, bus_space_handle_t,
352 bus_size_t, u_int8_t, bus_size_t);
353 void bus_space_set_multi_2(bus_space_tag_t, bus_space_handle_t,
354 bus_size_t, u_int16_t, bus_size_t);
355 void bus_space_set_multi_4(bus_space_tag_t, bus_space_handle_t,
356 bus_size_t, u_int32_t, bus_size_t);
357 #ifdef __HAVE_BUS_SPACE_8
358 void bus_space_set_multi_8(bus_space_tag_t, bus_space_handle_t,
359 bus_size_t, u_int64_t, bus_size_t);
360 #endif
361
362 void bus_space_set_multi_stream_1(bus_space_tag_t, bus_space_handle_t,
363 bus_size_t, u_int8_t, bus_size_t);
364 void bus_space_set_multi_stream_2(bus_space_tag_t, bus_space_handle_t,
365 bus_size_t, u_int16_t, bus_size_t);
366 void bus_space_set_multi_stream_4(bus_space_tag_t, bus_space_handle_t,
367 bus_size_t, u_int32_t, bus_size_t);
368 #ifdef __HAVE_BUS_SPACE_8
369 void bus_space_set_multi_stream_8(bus_space_tag_t, bus_space_handle_t,
370 bus_size_t, u_int64_t, bus_size_t);
371 #endif
372
373 void bus_space_set_region_1(bus_space_tag_t, bus_space_handle_t,
374 bus_size_t, u_int8_t, bus_size_t);
375 void bus_space_set_region_2(bus_space_tag_t, bus_space_handle_t,
376 bus_size_t, u_int16_t, bus_size_t);
377 void bus_space_set_region_4(bus_space_tag_t, bus_space_handle_t,
378 bus_size_t, u_int32_t, bus_size_t);
379 #ifdef __HAVE_BUS_SPACE_8
380 void bus_space_set_region_8(bus_space_tag_t, bus_space_handle_t,
381 bus_size_t, u_int64_t, bus_size_t);
382 #endif
383
384 void bus_space_set_region_stream_1(bus_space_tag_t, bus_space_handle_t,
385 bus_size_t, u_int8_t, bus_size_t);
386 void bus_space_set_region_stream_2(bus_space_tag_t, bus_space_handle_t,
387 bus_size_t, u_int16_t, bus_size_t);
388 void bus_space_set_region_stream_4(bus_space_tag_t, bus_space_handle_t,
389 bus_size_t, u_int32_t, bus_size_t);
390 #ifdef __HAVE_BUS_SPACE_8
391 void bus_space_set_region_stream_8(bus_space_tag_t, bus_space_handle_t,
392 bus_size_t, u_int64_t, bus_size_t);
393 #endif
394
395 void bus_space_copy_region_1(bus_space_tag_t, bus_space_handle_t,
396 bus_size_t, bus_space_handle_t,
397 bus_size_t, bus_size_t);
398 void bus_space_copy_region_2(bus_space_tag_t, bus_space_handle_t,
399 bus_size_t, bus_space_handle_t,
400 bus_size_t, bus_size_t);
401 void bus_space_copy_region_4(bus_space_tag_t, bus_space_handle_t,
402 bus_size_t, bus_space_handle_t,
403 bus_size_t, bus_size_t);
404 #ifdef __HAVE_BUS_SPACE_8
405 void bus_space_copy_region_8(bus_space_tag_t, bus_space_handle_t,
406 bus_size_t, bus_space_handle_t,
407 bus_size_t, bus_size_t);
408 #endif
409
410 void bus_space_copy_region_stream_1(bus_space_tag_t, bus_space_handle_t,
411 bus_size_t, bus_space_handle_t,
412 bus_size_t, bus_size_t);
413 void bus_space_copy_region_stream_2(bus_space_tag_t, bus_space_handle_t,
414 bus_size_t, bus_space_handle_t,
415 bus_size_t, bus_size_t);
416 void bus_space_copy_region_stream_4(bus_space_tag_t, bus_space_handle_t,
417 bus_size_t, bus_space_handle_t,
418 bus_size_t, bus_size_t);
419 #ifdef __HAVE_BUS_SPACE_8
420 void bus_space_copy_region_stream_8(bus_space_tag_t, bus_space_handle_t,
421 bus_size_t, bus_space_handle_t,
422 bus_size_t, bus_size_t);
423 #endif
424
425 bool bus_space_is_equal(bus_space_tag_t, bus_space_tag_t);
426 bool bus_space_handle_is_equal(bus_space_tag_t, bus_space_handle_t,
427 bus_space_handle_t);
428
429 /*
430 * bus_dma(9)
431 */
432
433 /* Flags used in various bus DMA methods. */
434 #define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */
435 #define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */
436 #define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */
437 #define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */
438 #define BUS_DMA_STREAMING 0x008 /* hint: sequential, unidirectional */
439 #define BUS_DMA_BUS1 0x010 /* placeholders for bus functions... */
440 #define BUS_DMA_BUS2 0x020
441 #define BUS_DMA_BUS3 0x040
442 #define BUS_DMA_BUS4 0x080
443 #define BUS_DMA_READ 0x100 /* mapping is device -> memory only */
444 #define BUS_DMA_WRITE 0x200 /* mapping is memory -> device only */
445 #define BUS_DMA_NOCACHE 0x400 /* hint: map non-cached memory */
446 #define BUS_DMA_PREFETCHABLE 0x800 /* hint: map non-cached but allow
447 * things like write combining */
448
449 /* Operations performed by bus_dmamap_sync(). */
450 #define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */
451 #define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */
452 #define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */
453 #define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */
454
455 int bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
456 bus_size_t, int, bus_dmamap_t *);
457 void bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
458 int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t,
459 struct proc *, int);
460 int bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
461 struct mbuf *, int);
462 int bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
463 struct uio *, int);
464 int bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
465 bus_dma_segment_t *, int, bus_size_t, int);
466 void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
467 void bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
468 bus_size_t, int);
469
470 int bus_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
471 bus_size_t, bus_dma_segment_t *,
472 int, int *, int);
473 void bus_dmamem_free(bus_dma_tag_t, bus_dma_segment_t *, int);
474 int bus_dmamem_map(bus_dma_tag_t, bus_dma_segment_t *, int,
475 size_t, void **, int);
476 void bus_dmamem_unmap(bus_dma_tag_t, void *, size_t);
477 paddr_t bus_dmamem_mmap(bus_dma_tag_t, bus_dma_segment_t *, int,
478 off_t, int, int);
479
480 int bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t,
481 bus_dma_tag_t *, int);
482 void bus_dmatag_destroy(bus_dma_tag_t);
483
484 #endif /* _SYS_BUS_PROTO_H_ */
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