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 AcpiRsSetAddressCommon ( 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