| 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Module Name: rsaddr - Address resource descriptors (16/32/64) |
| 4 | * |
| 5 | ******************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
| 9 | * All rights reserved. |
| 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 | * without modification. |
| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 18 | * substantially similar to the "NO WARRANTY" disclaimer below |
| 19 | * ("Disclaimer") and any redistribution must be conditioned upon |
| 20 | * including a substantially similar Disclaimer requirement for further |
| 21 | * binary redistribution. |
| 22 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 23 | * of any contributors may be used to endorse or promote products derived |
| 24 | * from this software without specific prior written permission. |
| 25 | * |
| 26 | * Alternatively, this software may be distributed under the terms of the |
| 27 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 28 | * Software Foundation. |
| 29 | * |
| 30 | * NO WARRANTY |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGES. |
| 42 | */ |
| 43 | |
| 44 | #include "acpi.h" |
| 45 | #include "accommon.h" |
| 46 | #include "acresrc.h" |
| 47 | |
| 48 | #define _COMPONENT ACPI_RESOURCES |
| 49 | ACPI_MODULE_NAME ("rsaddr" ) |
| 50 | |
| 51 | |
| 52 | /******************************************************************************* |
| 53 | * |
| 54 | * AcpiRsConvertAddress16 - All WORD (16-bit) address resources |
| 55 | * |
| 56 | ******************************************************************************/ |
| 57 | |
| 58 | ACPI_RSCONVERT_INFO AcpiRsConvertAddress16[5] = |
| 59 | { |
| 60 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16, |
| 61 | ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS16), |
| 62 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress16)}, |
| 63 | |
| 64 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16, |
| 65 | sizeof (AML_RESOURCE_ADDRESS16), |
| 66 | 0}, |
| 67 | |
| 68 | /* Resource Type, General Flags, and Type-Specific Flags */ |
| 69 | |
| 70 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
| 71 | |
| 72 | /* |
| 73 | * These fields are contiguous in both the source and destination: |
| 74 | * Address Granularity |
| 75 | * Address Range Minimum |
| 76 | * Address Range Maximum |
| 77 | * Address Translation Offset |
| 78 | * Address Length |
| 79 | */ |
| 80 | {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Address16.Address.Granularity), |
| 81 | AML_OFFSET (Address16.Granularity), |
| 82 | 5}, |
| 83 | |
| 84 | /* Optional ResourceSource (Index and String) */ |
| 85 | |
| 86 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address16.ResourceSource), |
| 87 | 0, |
| 88 | sizeof (AML_RESOURCE_ADDRESS16)} |
| 89 | }; |
| 90 | |
| 91 | |
| 92 | /******************************************************************************* |
| 93 | * |
| 94 | * AcpiRsConvertAddress32 - All DWORD (32-bit) address resources |
| 95 | * |
| 96 | ******************************************************************************/ |
| 97 | |
| 98 | ACPI_RSCONVERT_INFO AcpiRsConvertAddress32[5] = |
| 99 | { |
| 100 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32, |
| 101 | ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS32), |
| 102 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress32)}, |
| 103 | |
| 104 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32, |
| 105 | sizeof (AML_RESOURCE_ADDRESS32), |
| 106 | 0}, |
| 107 | |
| 108 | /* Resource Type, General Flags, and Type-Specific Flags */ |
| 109 | |
| 110 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
| 111 | |
| 112 | /* |
| 113 | * These fields are contiguous in both the source and destination: |
| 114 | * Address Granularity |
| 115 | * Address Range Minimum |
| 116 | * Address Range Maximum |
| 117 | * Address Translation Offset |
| 118 | * Address Length |
| 119 | */ |
| 120 | {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.Address32.Address.Granularity), |
| 121 | AML_OFFSET (Address32.Granularity), |
| 122 | 5}, |
| 123 | |
| 124 | /* Optional ResourceSource (Index and String) */ |
| 125 | |
| 126 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address32.ResourceSource), |
| 127 | 0, |
| 128 | sizeof (AML_RESOURCE_ADDRESS32)} |
| 129 | }; |
| 130 | |
| 131 | |
| 132 | /******************************************************************************* |
| 133 | * |
| 134 | * AcpiRsConvertAddress64 - All QWORD (64-bit) address resources |
| 135 | * |
| 136 | ******************************************************************************/ |
| 137 | |
| 138 | ACPI_RSCONVERT_INFO AcpiRsConvertAddress64[5] = |
| 139 | { |
| 140 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64, |
| 141 | ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS64), |
| 142 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress64)}, |
| 143 | |
| 144 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64, |
| 145 | sizeof (AML_RESOURCE_ADDRESS64), |
| 146 | 0}, |
| 147 | |
| 148 | /* Resource Type, General Flags, and Type-Specific Flags */ |
| 149 | |
| 150 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
| 151 | |
| 152 | /* |
| 153 | * These fields are contiguous in both the source and destination: |
| 154 | * Address Granularity |
| 155 | * Address Range Minimum |
| 156 | * Address Range Maximum |
| 157 | * Address Translation Offset |
| 158 | * Address Length |
| 159 | */ |
| 160 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.Address64.Address.Granularity), |
| 161 | AML_OFFSET (Address64.Granularity), |
| 162 | 5}, |
| 163 | |
| 164 | /* Optional ResourceSource (Index and String) */ |
| 165 | |
| 166 | {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address64.ResourceSource), |
| 167 | 0, |
| 168 | sizeof (AML_RESOURCE_ADDRESS64)} |
| 169 | }; |
| 170 | |
| 171 | |
| 172 | /******************************************************************************* |
| 173 | * |
| 174 | * AcpiRsConvertExtAddress64 - All Extended (64-bit) address resources |
| 175 | * |
| 176 | ******************************************************************************/ |
| 177 | |
| 178 | ACPI_RSCONVERT_INFO AcpiRsConvertExtAddress64[5] = |
| 179 | { |
| 180 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64, |
| 181 | ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_ADDRESS64), |
| 182 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtAddress64)}, |
| 183 | |
| 184 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64, |
| 185 | sizeof (AML_RESOURCE_EXTENDED_ADDRESS64), |
| 186 | 0}, |
| 187 | |
| 188 | /* Resource Type, General Flags, and Type-Specific Flags */ |
| 189 | |
| 190 | {ACPI_RSC_ADDRESS, 0, 0, 0}, |
| 191 | |
| 192 | /* Revision ID */ |
| 193 | |
| 194 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.ExtAddress64.RevisionID), |
| 195 | AML_OFFSET (ExtAddress64.RevisionID), |
| 196 | 1}, |
| 197 | /* |
| 198 | * These fields are contiguous in both the source and destination: |
| 199 | * Address Granularity |
| 200 | * Address Range Minimum |
| 201 | * Address Range Maximum |
| 202 | * Address Translation Offset |
| 203 | * Address Length |
| 204 | * Type-Specific Attribute |
| 205 | */ |
| 206 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.ExtAddress64.Address.Granularity), |
| 207 | AML_OFFSET (ExtAddress64.Granularity), |
| 208 | 6} |
| 209 | }; |
| 210 | |
| 211 | |
| 212 | /******************************************************************************* |
| 213 | * |
| 214 | * AcpiRsConvertGeneralFlags - Flags common to all address descriptors |
| 215 | * |
| 216 | ******************************************************************************/ |
| 217 | |
| 218 | static ACPI_RSCONVERT_INFO AcpiRsConvertGeneralFlags[6] = |
| 219 | { |
| 220 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.Flags), |
| 221 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertGeneralFlags)}, |
| 222 | |
| 223 | /* Resource Type (Memory, Io, BusNumber, etc.) */ |
| 224 | |
| 225 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Address.ResourceType), |
| 226 | AML_OFFSET (Address.ResourceType), |
| 227 | 1}, |
| 228 | |
| 229 | /* General Flags - Consume, Decode, MinFixed, MaxFixed */ |
| 230 | |
| 231 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.ProducerConsumer), |
| 232 | AML_OFFSET (Address.Flags), |
| 233 | 0}, |
| 234 | |
| 235 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Decode), |
| 236 | AML_OFFSET (Address.Flags), |
| 237 | 1}, |
| 238 | |
| 239 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MinAddressFixed), |
| 240 | AML_OFFSET (Address.Flags), |
| 241 | 2}, |
| 242 | |
| 243 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MaxAddressFixed), |
| 244 | AML_OFFSET (Address.Flags), |
| 245 | 3} |
| 246 | }; |
| 247 | |
| 248 | |
| 249 | /******************************************************************************* |
| 250 | * |
| 251 | * AcpiRsConvertMemFlags - Flags common to Memory address descriptors |
| 252 | * |
| 253 | ******************************************************************************/ |
| 254 | |
| 255 | static ACPI_RSCONVERT_INFO AcpiRsConvertMemFlags[5] = |
| 256 | { |
| 257 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags), |
| 258 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemFlags)}, |
| 259 | |
| 260 | /* Memory-specific flags */ |
| 261 | |
| 262 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.WriteProtect), |
| 263 | AML_OFFSET (Address.SpecificFlags), |
| 264 | 0}, |
| 265 | |
| 266 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Caching), |
| 267 | AML_OFFSET (Address.SpecificFlags), |
| 268 | 1}, |
| 269 | |
| 270 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.RangeType), |
| 271 | AML_OFFSET (Address.SpecificFlags), |
| 272 | 3}, |
| 273 | |
| 274 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Translation), |
| 275 | AML_OFFSET (Address.SpecificFlags), |
| 276 | 5} |
| 277 | }; |
| 278 | |
| 279 | |
| 280 | /******************************************************************************* |
| 281 | * |
| 282 | * AcpiRsConvertIoFlags - Flags common to I/O address descriptors |
| 283 | * |
| 284 | ******************************************************************************/ |
| 285 | |
| 286 | static ACPI_RSCONVERT_INFO AcpiRsConvertIoFlags[4] = |
| 287 | { |
| 288 | {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags), |
| 289 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertIoFlags)}, |
| 290 | |
| 291 | /* I/O-specific flags */ |
| 292 | |
| 293 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.RangeType), |
| 294 | AML_OFFSET (Address.SpecificFlags), |
| 295 | 0}, |
| 296 | |
| 297 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.Translation), |
| 298 | AML_OFFSET (Address.SpecificFlags), |
| 299 | 4}, |
| 300 | |
| 301 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.TranslationType), |
| 302 | AML_OFFSET (Address.SpecificFlags), |
| 303 | 5} |
| 304 | }; |
| 305 | |
| 306 | |
| 307 | /******************************************************************************* |
| 308 | * |
| 309 | * FUNCTION: AcpiRsGetAddressCommon |
| 310 | * |
| 311 | * PARAMETERS: Resource - Pointer to the internal resource struct |
| 312 | * Aml - Pointer to the AML resource descriptor |
| 313 | * |
| 314 | * RETURN: TRUE if the ResourceType field is OK, FALSE otherwise |
| 315 | * |
| 316 | * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor |
| 317 | * to an internal resource descriptor |
| 318 | * |
| 319 | ******************************************************************************/ |
| 320 | |
| 321 | BOOLEAN |
| 322 | AcpiRsGetAddressCommon ( |
| 323 | ACPI_RESOURCE *Resource, |
| 324 | AML_RESOURCE *Aml) |
| 325 | { |
| 326 | ACPI_FUNCTION_ENTRY (); |
| 327 | |
| 328 | |
| 329 | /* Validate the Resource Type */ |
| 330 | |
| 331 | if ((Aml->Address.ResourceType > 2) && |
| 332 | (Aml->Address.ResourceType < 0xC0)) |
| 333 | { |
| 334 | return (FALSE); |
| 335 | } |
| 336 | |
| 337 | /* Get the Resource Type and General Flags */ |
| 338 | |
| 339 | (void) AcpiRsConvertAmlToResource ( |
| 340 | Resource, Aml, AcpiRsConvertGeneralFlags); |
| 341 | |
| 342 | /* Get the Type-Specific Flags (Memory and I/O descriptors only) */ |
| 343 | |
| 344 | if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE) |
| 345 | { |
| 346 | (void) AcpiRsConvertAmlToResource ( |
| 347 | Resource, Aml, AcpiRsConvertMemFlags); |
| 348 | } |
| 349 | else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE) |
| 350 | { |
| 351 | (void) AcpiRsConvertAmlToResource ( |
| 352 | Resource, Aml, AcpiRsConvertIoFlags); |
| 353 | } |
| 354 | else |
| 355 | { |
| 356 | /* Generic resource type, just grab the TypeSpecific byte */ |
| 357 | |
| 358 | Resource->Data.Address.Info.TypeSpecific = |
| 359 | Aml->Address.SpecificFlags; |
| 360 | } |
| 361 | |
| 362 | return (TRUE); |
| 363 | } |
| 364 | |
| 365 | |
| 366 | /******************************************************************************* |
| 367 | * |
| 368 | * FUNCTION: AcpiRsSetAddressCommon |
| 369 | * |
| 370 | * PARAMETERS: Aml - Pointer to the AML resource descriptor |
| 371 | * Resource - Pointer to the internal resource struct |
| 372 | * |
| 373 | * RETURN: None |
| 374 | * |
| 375 | * DESCRIPTION: Convert common flag fields from a resource descriptor to an |
| 376 | * AML descriptor |
| 377 | * |
| 378 | ******************************************************************************/ |
| 379 | |
| 380 | void |
| 381 | ( |
| 382 | AML_RESOURCE *Aml, |
| 383 | ACPI_RESOURCE *Resource) |
| 384 | { |
| 385 | ACPI_FUNCTION_ENTRY (); |
| 386 | |
| 387 | |
| 388 | /* Set the Resource Type and General Flags */ |
| 389 | |
| 390 | (void) AcpiRsConvertResourceToAml ( |
| 391 | Resource, Aml, AcpiRsConvertGeneralFlags); |
| 392 | |
| 393 | /* Set the Type-Specific Flags (Memory and I/O descriptors only) */ |
| 394 | |
| 395 | if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE) |
| 396 | { |
| 397 | (void) AcpiRsConvertResourceToAml ( |
| 398 | Resource, Aml, AcpiRsConvertMemFlags); |
| 399 | } |
| 400 | else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE) |
| 401 | { |
| 402 | (void) AcpiRsConvertResourceToAml ( |
| 403 | Resource, Aml, AcpiRsConvertIoFlags); |
| 404 | } |
| 405 | else |
| 406 | { |
| 407 | /* Generic resource type, just copy the TypeSpecific byte */ |
| 408 | |
| 409 | Aml->Address.SpecificFlags = |
| 410 | Resource->Data.Address.Info.TypeSpecific; |
| 411 | } |
| 412 | } |
| 413 | |