1 /* $NetBSD: bus_proto.h,v 1.11 2019/11/14 16:23:53 maxv 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 uint64_t bus_space_read_8(bus_space_tag_t, bus_space_handle_t, 133 bus_size_t); 134 uint64_t bus_space_read_stream_8(bus_space_tag_t, bus_space_handle_t, 135 bus_size_t); 136 137 #if defined(KASAN) && defined(__HAVE_KASAN_INSTR_BUS) 138 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \ 139 void kasan_bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 140 bus_size_t, uint##bits##_t *, bus_size_t); \ 141 void kasan_bus_space_read_multi_stream_##bytes(bus_space_tag_t, \ 142 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \ 143 void kasan_bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \ 144 bus_size_t, uint##bits##_t *, bus_size_t); \ 145 void kasan_bus_space_read_region_stream_##bytes(bus_space_tag_t, \ 146 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); 147 #define bus_space_read_multi_1 kasan_bus_space_read_multi_1 148 #define bus_space_read_multi_2 kasan_bus_space_read_multi_2 149 #define bus_space_read_multi_4 kasan_bus_space_read_multi_4 150 #define bus_space_read_multi_8 kasan_bus_space_read_multi_8 151 #define bus_space_read_multi_stream_1 kasan_bus_space_read_multi_stream_1 152 #define bus_space_read_multi_stream_2 kasan_bus_space_read_multi_stream_2 153 #define bus_space_read_multi_stream_4 kasan_bus_space_read_multi_stream_4 154 #define bus_space_read_multi_stream_8 kasan_bus_space_read_multi_stream_8 155 #define bus_space_read_region_1 kasan_bus_space_read_region_1 156 #define bus_space_read_region_2 kasan_bus_space_read_region_2 157 #define bus_space_read_region_4 kasan_bus_space_read_region_4 158 #define bus_space_read_region_8 kasan_bus_space_read_region_8 159 #define bus_space_read_region_stream_1 kasan_bus_space_read_region_stream_1 160 #define bus_space_read_region_stream_2 kasan_bus_space_read_region_stream_2 161 #define bus_space_read_region_stream_4 kasan_bus_space_read_region_stream_4 162 #define bus_space_read_region_stream_8 kasan_bus_space_read_region_stream_8 163 #elif defined(KCSAN) 164 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \ 165 void kcsan_bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 166 bus_size_t, uint##bits##_t *, bus_size_t); \ 167 void kcsan_bus_space_read_multi_stream_##bytes(bus_space_tag_t, \ 168 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \ 169 void kcsan_bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \ 170 bus_size_t, uint##bits##_t *, bus_size_t); \ 171 void kcsan_bus_space_read_region_stream_##bytes(bus_space_tag_t, \ 172 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); 173 #define bus_space_read_multi_1 kcsan_bus_space_read_multi_1 174 #define bus_space_read_multi_2 kcsan_bus_space_read_multi_2 175 #define bus_space_read_multi_4 kcsan_bus_space_read_multi_4 176 #define bus_space_read_multi_8 kcsan_bus_space_read_multi_8 177 #define bus_space_read_multi_stream_1 kcsan_bus_space_read_multi_stream_1 178 #define bus_space_read_multi_stream_2 kcsan_bus_space_read_multi_stream_2 179 #define bus_space_read_multi_stream_4 kcsan_bus_space_read_multi_stream_4 180 #define bus_space_read_multi_stream_8 kcsan_bus_space_read_multi_stream_8 181 #define bus_space_read_region_1 kcsan_bus_space_read_region_1 182 #define bus_space_read_region_2 kcsan_bus_space_read_region_2 183 #define bus_space_read_region_4 kcsan_bus_space_read_region_4 184 #define bus_space_read_region_8 kcsan_bus_space_read_region_8 185 #define bus_space_read_region_stream_1 kcsan_bus_space_read_region_stream_1 186 #define bus_space_read_region_stream_2 kcsan_bus_space_read_region_stream_2 187 #define bus_space_read_region_stream_4 kcsan_bus_space_read_region_stream_4 188 #define bus_space_read_region_stream_8 kcsan_bus_space_read_region_stream_8 189 #elif defined(KMSAN) 190 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \ 191 void kmsan_bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 192 bus_size_t, uint##bits##_t *, bus_size_t); \ 193 void kmsan_bus_space_read_multi_stream_##bytes(bus_space_tag_t, \ 194 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \ 195 void kmsan_bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \ 196 bus_size_t, uint##bits##_t *, bus_size_t); \ 197 void kmsan_bus_space_read_region_stream_##bytes(bus_space_tag_t, \ 198 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); 199 #define bus_space_read_multi_1 kmsan_bus_space_read_multi_1 200 #define bus_space_read_multi_2 kmsan_bus_space_read_multi_2 201 #define bus_space_read_multi_4 kmsan_bus_space_read_multi_4 202 #define bus_space_read_multi_8 kmsan_bus_space_read_multi_8 203 #define bus_space_read_multi_stream_1 kmsan_bus_space_read_multi_stream_1 204 #define bus_space_read_multi_stream_2 kmsan_bus_space_read_multi_stream_2 205 #define bus_space_read_multi_stream_4 kmsan_bus_space_read_multi_stream_4 206 #define bus_space_read_multi_stream_8 kmsan_bus_space_read_multi_stream_8 207 #define bus_space_read_region_1 kmsan_bus_space_read_region_1 208 #define bus_space_read_region_2 kmsan_bus_space_read_region_2 209 #define bus_space_read_region_4 kmsan_bus_space_read_region_4 210 #define bus_space_read_region_8 kmsan_bus_space_read_region_8 211 #define bus_space_read_region_stream_1 kmsan_bus_space_read_region_stream_1 212 #define bus_space_read_region_stream_2 kmsan_bus_space_read_region_stream_2 213 #define bus_space_read_region_stream_4 kmsan_bus_space_read_region_stream_4 214 #define bus_space_read_region_stream_8 kmsan_bus_space_read_region_stream_8 215 #else 216 #define BUS_SPACE_READ_MEM_PROTOS(bytes, bits) \ 217 void bus_space_read_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 218 bus_size_t, uint##bits##_t *, bus_size_t); \ 219 void bus_space_read_multi_stream_##bytes(bus_space_tag_t, \ 220 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); \ 221 void bus_space_read_region_##bytes(bus_space_tag_t, bus_space_handle_t, \ 222 bus_size_t, uint##bits##_t *, bus_size_t); \ 223 void bus_space_read_region_stream_##bytes(bus_space_tag_t, \ 224 bus_space_handle_t, bus_size_t, uint##bits##_t *, bus_size_t); 225 #endif 226 227 BUS_SPACE_READ_MEM_PROTOS(1, 8) 228 BUS_SPACE_READ_MEM_PROTOS(2, 16) 229 BUS_SPACE_READ_MEM_PROTOS(4, 32) 230 BUS_SPACE_READ_MEM_PROTOS(8, 64) 231 232 void bus_space_write_1(bus_space_tag_t, bus_space_handle_t, 233 bus_size_t, uint8_t); 234 void bus_space_write_stream_1(bus_space_tag_t, bus_space_handle_t, 235 bus_size_t, uint8_t); 236 237 void bus_space_write_2(bus_space_tag_t, bus_space_handle_t, 238 bus_size_t, uint16_t); 239 void bus_space_write_stream_2(bus_space_tag_t, bus_space_handle_t, 240 bus_size_t, uint16_t); 241 242 void bus_space_write_4(bus_space_tag_t, bus_space_handle_t, 243 bus_size_t, uint32_t); 244 void bus_space_write_stream_4(bus_space_tag_t, bus_space_handle_t, 245 bus_size_t, uint32_t); 246 247 void bus_space_write_8(bus_space_tag_t, bus_space_handle_t, 248 bus_size_t, uint64_t); 249 void bus_space_write_stream_8(bus_space_tag_t, bus_space_handle_t, 250 bus_size_t, uint64_t); 251 252 #if defined(KASAN) && defined(__HAVE_KASAN_INSTR_BUS) 253 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \ 254 void kasan_bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 255 bus_size_t, const uint##bits##_t *, bus_size_t); \ 256 void kasan_bus_space_write_multi_stream_##bytes(bus_space_tag_t, \ 257 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); \ 258 void kasan_bus_space_write_region_##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_region_stream_##bytes(bus_space_tag_t, \ 261 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); 262 #define bus_space_write_multi_1 kasan_bus_space_write_multi_1 263 #define bus_space_write_multi_2 kasan_bus_space_write_multi_2 264 #define bus_space_write_multi_4 kasan_bus_space_write_multi_4 265 #define bus_space_write_multi_8 kasan_bus_space_write_multi_8 266 #define bus_space_write_multi_stream_1 kasan_bus_space_write_multi_stream_1 267 #define bus_space_write_multi_stream_2 kasan_bus_space_write_multi_stream_2 268 #define bus_space_write_multi_stream_4 kasan_bus_space_write_multi_stream_4 269 #define bus_space_write_multi_stream_8 kasan_bus_space_write_multi_stream_8 270 #define bus_space_write_region_1 kasan_bus_space_write_region_1 271 #define bus_space_write_region_2 kasan_bus_space_write_region_2 272 #define bus_space_write_region_4 kasan_bus_space_write_region_4 273 #define bus_space_write_region_8 kasan_bus_space_write_region_8 274 #define bus_space_write_region_stream_1 kasan_bus_space_write_region_stream_1 275 #define bus_space_write_region_stream_2 kasan_bus_space_write_region_stream_2 276 #define bus_space_write_region_stream_4 kasan_bus_space_write_region_stream_4 277 #define bus_space_write_region_stream_8 kasan_bus_space_write_region_stream_8 278 #elif defined(KCSAN) 279 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \ 280 void kcsan_bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 281 bus_size_t, const uint##bits##_t *, bus_size_t); \ 282 void kcsan_bus_space_write_multi_stream_##bytes(bus_space_tag_t, \ 283 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); \ 284 void kcsan_bus_space_write_region_##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_region_stream_##bytes(bus_space_tag_t, \ 287 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); 288 #define bus_space_write_multi_1 kcsan_bus_space_write_multi_1 289 #define bus_space_write_multi_2 kcsan_bus_space_write_multi_2 290 #define bus_space_write_multi_4 kcsan_bus_space_write_multi_4 291 #define bus_space_write_multi_8 kcsan_bus_space_write_multi_8 292 #define bus_space_write_multi_stream_1 kcsan_bus_space_write_multi_stream_1 293 #define bus_space_write_multi_stream_2 kcsan_bus_space_write_multi_stream_2 294 #define bus_space_write_multi_stream_4 kcsan_bus_space_write_multi_stream_4 295 #define bus_space_write_multi_stream_8 kcsan_bus_space_write_multi_stream_8 296 #define bus_space_write_region_1 kcsan_bus_space_write_region_1 297 #define bus_space_write_region_2 kcsan_bus_space_write_region_2 298 #define bus_space_write_region_4 kcsan_bus_space_write_region_4 299 #define bus_space_write_region_8 kcsan_bus_space_write_region_8 300 #define bus_space_write_region_stream_1 kcsan_bus_space_write_region_stream_1 301 #define bus_space_write_region_stream_2 kcsan_bus_space_write_region_stream_2 302 #define bus_space_write_region_stream_4 kcsan_bus_space_write_region_stream_4 303 #define bus_space_write_region_stream_8 kcsan_bus_space_write_region_stream_8 304 #elif defined(KMSAN) 305 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \ 306 void kmsan_bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 307 bus_size_t, const uint##bits##_t *, bus_size_t); \ 308 void kmsan_bus_space_write_multi_stream_##bytes(bus_space_tag_t, \ 309 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); \ 310 void kmsan_bus_space_write_region_##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_region_stream_##bytes(bus_space_tag_t, \ 313 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); 314 #define bus_space_write_multi_1 kmsan_bus_space_write_multi_1 315 #define bus_space_write_multi_2 kmsan_bus_space_write_multi_2 316 #define bus_space_write_multi_4 kmsan_bus_space_write_multi_4 317 #define bus_space_write_multi_8 kmsan_bus_space_write_multi_8 318 #define bus_space_write_multi_stream_1 kmsan_bus_space_write_multi_stream_1 319 #define bus_space_write_multi_stream_2 kmsan_bus_space_write_multi_stream_2 320 #define bus_space_write_multi_stream_4 kmsan_bus_space_write_multi_stream_4 321 #define bus_space_write_multi_stream_8 kmsan_bus_space_write_multi_stream_8 322 #define bus_space_write_region_1 kmsan_bus_space_write_region_1 323 #define bus_space_write_region_2 kmsan_bus_space_write_region_2 324 #define bus_space_write_region_4 kmsan_bus_space_write_region_4 325 #define bus_space_write_region_8 kmsan_bus_space_write_region_8 326 #define bus_space_write_region_stream_1 kmsan_bus_space_write_region_stream_1 327 #define bus_space_write_region_stream_2 kmsan_bus_space_write_region_stream_2 328 #define bus_space_write_region_stream_4 kmsan_bus_space_write_region_stream_4 329 #define bus_space_write_region_stream_8 kmsan_bus_space_write_region_stream_8 330 #else 331 #define BUS_SPACE_WRITE_MEM_PROTOS(bytes, bits) \ 332 void bus_space_write_multi_##bytes(bus_space_tag_t, bus_space_handle_t, \ 333 bus_size_t, const uint##bits##_t *, bus_size_t); \ 334 void bus_space_write_multi_stream_##bytes(bus_space_tag_t, \ 335 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t);\ 336 void bus_space_write_region_##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_region_stream_##bytes(bus_space_tag_t, \ 339 bus_space_handle_t, bus_size_t, const uint##bits##_t *, bus_size_t); 340 #endif 341 342 BUS_SPACE_WRITE_MEM_PROTOS(1, 8) 343 BUS_SPACE_WRITE_MEM_PROTOS(2, 16) 344 BUS_SPACE_WRITE_MEM_PROTOS(4, 32) 345 BUS_SPACE_WRITE_MEM_PROTOS(8, 64) 346 347 void bus_space_set_multi_1(bus_space_tag_t, bus_space_handle_t, 348 bus_size_t, u_int8_t, bus_size_t); 349 void bus_space_set_multi_2(bus_space_tag_t, bus_space_handle_t, 350 bus_size_t, u_int16_t, bus_size_t); 351 void bus_space_set_multi_4(bus_space_tag_t, bus_space_handle_t, 352 bus_size_t, u_int32_t, bus_size_t); 353 void bus_space_set_multi_8(bus_space_tag_t, bus_space_handle_t, 354 bus_size_t, u_int64_t, bus_size_t); 355 356 void bus_space_set_multi_stream_1(bus_space_tag_t, bus_space_handle_t, 357 bus_size_t, u_int8_t, bus_size_t); 358 void bus_space_set_multi_stream_2(bus_space_tag_t, bus_space_handle_t, 359 bus_size_t, u_int16_t, bus_size_t); 360 void bus_space_set_multi_stream_4(bus_space_tag_t, bus_space_handle_t, 361 bus_size_t, u_int32_t, bus_size_t); 362 void bus_space_set_multi_stream_8(bus_space_tag_t, bus_space_handle_t, 363 bus_size_t, u_int64_t, bus_size_t); 364 365 void bus_space_set_region_1(bus_space_tag_t, bus_space_handle_t, 366 bus_size_t, u_int8_t, bus_size_t); 367 void bus_space_set_region_2(bus_space_tag_t, bus_space_handle_t, 368 bus_size_t, u_int16_t, bus_size_t); 369 void bus_space_set_region_4(bus_space_tag_t, bus_space_handle_t, 370 bus_size_t, u_int32_t, bus_size_t); 371 void bus_space_set_region_8(bus_space_tag_t, bus_space_handle_t, 372 bus_size_t, u_int64_t, bus_size_t); 373 374 void bus_space_set_region_stream_1(bus_space_tag_t, bus_space_handle_t, 375 bus_size_t, u_int8_t, bus_size_t); 376 void bus_space_set_region_stream_2(bus_space_tag_t, bus_space_handle_t, 377 bus_size_t, u_int16_t, bus_size_t); 378 void bus_space_set_region_stream_4(bus_space_tag_t, bus_space_handle_t, 379 bus_size_t, u_int32_t, bus_size_t); 380 void bus_space_set_region_stream_8(bus_space_tag_t, bus_space_handle_t, 381 bus_size_t, u_int64_t, bus_size_t); 382 383 void bus_space_copy_region_1(bus_space_tag_t, bus_space_handle_t, 384 bus_size_t, bus_space_handle_t, 385 bus_size_t, bus_size_t); 386 void bus_space_copy_region_2(bus_space_tag_t, bus_space_handle_t, 387 bus_size_t, bus_space_handle_t, 388 bus_size_t, bus_size_t); 389 void bus_space_copy_region_4(bus_space_tag_t, bus_space_handle_t, 390 bus_size_t, bus_space_handle_t, 391 bus_size_t, bus_size_t); 392 void bus_space_copy_region_8(bus_space_tag_t, bus_space_handle_t, 393 bus_size_t, bus_space_handle_t, 394 bus_size_t, bus_size_t); 395 396 void bus_space_copy_region_stream_1(bus_space_tag_t, bus_space_handle_t, 397 bus_size_t, bus_space_handle_t, 398 bus_size_t, bus_size_t); 399 void bus_space_copy_region_stream_2(bus_space_tag_t, bus_space_handle_t, 400 bus_size_t, bus_space_handle_t, 401 bus_size_t, bus_size_t); 402 void bus_space_copy_region_stream_4(bus_space_tag_t, bus_space_handle_t, 403 bus_size_t, bus_space_handle_t, 404 bus_size_t, bus_size_t); 405 void bus_space_copy_region_stream_8(bus_space_tag_t, bus_space_handle_t, 406 bus_size_t, bus_space_handle_t, 407 bus_size_t, bus_size_t); 408 409 bool bus_space_is_equal(bus_space_tag_t, bus_space_tag_t); 410 bool bus_space_handle_is_equal(bus_space_tag_t, bus_space_handle_t, 411 bus_space_handle_t); 412 413 /* 414 * bus_dma(9) 415 */ 416 417 /* Flags used in various bus DMA methods. */ 418 #define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */ 419 #define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */ 420 #define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */ 421 #define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */ 422 #define BUS_DMA_STREAMING 0x008 /* hint: sequential, unidirectional */ 423 #define BUS_DMA_BUS1 0x010 /* placeholders for bus functions... */ 424 #define BUS_DMA_BUS2 0x020 425 #define BUS_DMA_BUS3 0x040 426 #define BUS_DMA_BUS4 0x080 427 #define BUS_DMA_READ 0x100 /* mapping is device -> memory only */ 428 #define BUS_DMA_WRITE 0x200 /* mapping is memory -> device only */ 429 #define BUS_DMA_NOCACHE 0x400 /* hint: map non-cached memory */ 430 #define BUS_DMA_PREFETCHABLE 0x800 /* hint: map non-cached but allow 431 * things like write combining */ 432 433 /* Operations performed by bus_dmamap_sync(). */ 434 #define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */ 435 #define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */ 436 #define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */ 437 #define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */ 438 439 int bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, 440 bus_size_t, int, bus_dmamap_t *); 441 void bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t); 442 int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t, 443 struct proc *, int); 444 int bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, 445 struct mbuf *, int); 446 int bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, 447 struct uio *, int); 448 int bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, 449 bus_dma_segment_t *, int, bus_size_t, int); 450 void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); 451 void bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, 452 bus_size_t, int); 453 454 int bus_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t, 455 bus_size_t, bus_dma_segment_t *, 456 int, int *, int); 457 void bus_dmamem_free(bus_dma_tag_t, bus_dma_segment_t *, int); 458 int bus_dmamem_map(bus_dma_tag_t, bus_dma_segment_t *, int, 459 size_t, void **, int); 460 void bus_dmamem_unmap(bus_dma_tag_t, void *, size_t); 461 paddr_t bus_dmamem_mmap(bus_dma_tag_t, bus_dma_segment_t *, int, 462 off_t, int, int); 463 464 int bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t, 465 bus_dma_tag_t *, int); 466 void bus_dmatag_destroy(bus_dma_tag_t); 467 468 #endif /* _SYS_BUS_PROTO_H_ */ 469