1 /******************************************************************************* 2 * 3 * Module Name: rsaddr - Address resource descriptors (16/32/64) 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2011, 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 #define __RSADDR_C__ 45 46 #include "acpi.h" 47 #include "accommon.h" 48 #include "acresrc.h" 49 50 #define _COMPONENT ACPI_RESOURCES 51 ACPI_MODULE_NAME ("rsaddr") 52 53 54 /******************************************************************************* 55 * 56 * AcpiRsConvertAddress16 - All WORD (16-bit) address resources 57 * 58 ******************************************************************************/ 59 60 ACPI_RSCONVERT_INFO AcpiRsConvertAddress16[5] = 61 { 62 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16, 63 ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS16), 64 ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress16)}, 65 66 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16, 67 sizeof (AML_RESOURCE_ADDRESS16), 68 0}, 69 70 /* Resource Type, General Flags, and Type-Specific Flags */ 71 72 {ACPI_RSC_ADDRESS, 0, 0, 0}, 73 74 /* 75 * These fields are contiguous in both the source and destination: 76 * Address Granularity 77 * Address Range Minimum 78 * Address Range Maximum 79 * Address Translation Offset 80 * Address Length 81 */ 82 {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Address16.Granularity), 83 AML_OFFSET (Address16.Granularity), 84 5}, 85 86 /* Optional ResourceSource (Index and String) */ 87 88 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address16.ResourceSource), 89 0, 90 sizeof (AML_RESOURCE_ADDRESS16)} 91 }; 92 93 94 /******************************************************************************* 95 * 96 * AcpiRsConvertAddress32 - All DWORD (32-bit) address resources 97 * 98 ******************************************************************************/ 99 100 ACPI_RSCONVERT_INFO AcpiRsConvertAddress32[5] = 101 { 102 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32, 103 ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS32), 104 ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress32)}, 105 106 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32, 107 sizeof (AML_RESOURCE_ADDRESS32), 108 0}, 109 110 /* Resource Type, General Flags, and Type-Specific Flags */ 111 112 {ACPI_RSC_ADDRESS, 0, 0, 0}, 113 114 /* 115 * These fields are contiguous in both the source and destination: 116 * Address Granularity 117 * Address Range Minimum 118 * Address Range Maximum 119 * Address Translation Offset 120 * Address Length 121 */ 122 {ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.Address32.Granularity), 123 AML_OFFSET (Address32.Granularity), 124 5}, 125 126 /* Optional ResourceSource (Index and String) */ 127 128 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address32.ResourceSource), 129 0, 130 sizeof (AML_RESOURCE_ADDRESS32)} 131 }; 132 133 134 /******************************************************************************* 135 * 136 * AcpiRsConvertAddress64 - All QWORD (64-bit) address resources 137 * 138 ******************************************************************************/ 139 140 ACPI_RSCONVERT_INFO AcpiRsConvertAddress64[5] = 141 { 142 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64, 143 ACPI_RS_SIZE (ACPI_RESOURCE_ADDRESS64), 144 ACPI_RSC_TABLE_SIZE (AcpiRsConvertAddress64)}, 145 146 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64, 147 sizeof (AML_RESOURCE_ADDRESS64), 148 0}, 149 150 /* Resource Type, General Flags, and Type-Specific Flags */ 151 152 {ACPI_RSC_ADDRESS, 0, 0, 0}, 153 154 /* 155 * These fields are contiguous in both the source and destination: 156 * Address Granularity 157 * Address Range Minimum 158 * Address Range Maximum 159 * Address Translation Offset 160 * Address Length 161 */ 162 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.Address64.Granularity), 163 AML_OFFSET (Address64.Granularity), 164 5}, 165 166 /* Optional ResourceSource (Index and String) */ 167 168 {ACPI_RSC_SOURCE, ACPI_RS_OFFSET (Data.Address64.ResourceSource), 169 0, 170 sizeof (AML_RESOURCE_ADDRESS64)} 171 }; 172 173 174 /******************************************************************************* 175 * 176 * AcpiRsConvertExtAddress64 - All Extended (64-bit) address resources 177 * 178 ******************************************************************************/ 179 180 ACPI_RSCONVERT_INFO AcpiRsConvertExtAddress64[5] = 181 { 182 {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64, 183 ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_ADDRESS64), 184 ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtAddress64)}, 185 186 {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64, 187 sizeof (AML_RESOURCE_EXTENDED_ADDRESS64), 188 0}, 189 190 /* Resource Type, General Flags, and Type-Specific Flags */ 191 192 {ACPI_RSC_ADDRESS, 0, 0, 0}, 193 194 /* Revision ID */ 195 196 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.ExtAddress64.RevisionID), 197 AML_OFFSET (ExtAddress64.RevisionID), 198 1}, 199 /* 200 * These fields are contiguous in both the source and destination: 201 * Address Granularity 202 * Address Range Minimum 203 * Address Range Maximum 204 * Address Translation Offset 205 * Address Length 206 * Type-Specific Attribute 207 */ 208 {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.ExtAddress64.Granularity), 209 AML_OFFSET (ExtAddress64.Granularity), 210 6} 211 }; 212 213 214 /******************************************************************************* 215 * 216 * AcpiRsConvertGeneralFlags - Flags common to all address descriptors 217 * 218 ******************************************************************************/ 219 220 static ACPI_RSCONVERT_INFO AcpiRsConvertGeneralFlags[6] = 221 { 222 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.Flags), 223 ACPI_RSC_TABLE_SIZE (AcpiRsConvertGeneralFlags)}, 224 225 /* Resource Type (Memory, Io, BusNumber, etc.) */ 226 227 {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Address.ResourceType), 228 AML_OFFSET (Address.ResourceType), 229 1}, 230 231 /* General Flags - Consume, Decode, MinFixed, MaxFixed */ 232 233 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.ProducerConsumer), 234 AML_OFFSET (Address.Flags), 235 0}, 236 237 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Decode), 238 AML_OFFSET (Address.Flags), 239 1}, 240 241 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MinAddressFixed), 242 AML_OFFSET (Address.Flags), 243 2}, 244 245 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.MaxAddressFixed), 246 AML_OFFSET (Address.Flags), 247 3} 248 }; 249 250 251 /******************************************************************************* 252 * 253 * AcpiRsConvertMemFlags - Flags common to Memory address descriptors 254 * 255 ******************************************************************************/ 256 257 static ACPI_RSCONVERT_INFO AcpiRsConvertMemFlags[5] = 258 { 259 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags), 260 ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemFlags)}, 261 262 /* Memory-specific flags */ 263 264 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.WriteProtect), 265 AML_OFFSET (Address.SpecificFlags), 266 0}, 267 268 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Caching), 269 AML_OFFSET (Address.SpecificFlags), 270 1}, 271 272 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.RangeType), 273 AML_OFFSET (Address.SpecificFlags), 274 3}, 275 276 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Mem.Translation), 277 AML_OFFSET (Address.SpecificFlags), 278 5} 279 }; 280 281 282 /******************************************************************************* 283 * 284 * AcpiRsConvertIoFlags - Flags common to I/O address descriptors 285 * 286 ******************************************************************************/ 287 288 static ACPI_RSCONVERT_INFO AcpiRsConvertIoFlags[4] = 289 { 290 {ACPI_RSC_FLAGINIT, 0, AML_OFFSET (Address.SpecificFlags), 291 ACPI_RSC_TABLE_SIZE (AcpiRsConvertIoFlags)}, 292 293 /* I/O-specific flags */ 294 295 {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.RangeType), 296 AML_OFFSET (Address.SpecificFlags), 297 0}, 298 299 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.Translation), 300 AML_OFFSET (Address.SpecificFlags), 301 4}, 302 303 {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Address.Info.Io.TranslationType), 304 AML_OFFSET (Address.SpecificFlags), 305 5} 306 }; 307 308 309 /******************************************************************************* 310 * 311 * FUNCTION: AcpiRsGetAddressCommon 312 * 313 * PARAMETERS: Resource - Pointer to the internal resource struct 314 * Aml - Pointer to the AML resource descriptor 315 * 316 * RETURN: TRUE if the ResourceType field is OK, FALSE otherwise 317 * 318 * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor 319 * to an internal resource descriptor 320 * 321 ******************************************************************************/ 322 323 BOOLEAN 324 AcpiRsGetAddressCommon ( 325 ACPI_RESOURCE *Resource, 326 AML_RESOURCE *Aml) 327 { 328 ACPI_FUNCTION_ENTRY (); 329 330 331 /* Validate the Resource Type */ 332 333 if ((Aml->Address.ResourceType > 2) && (Aml->Address.ResourceType < 0xC0)) 334 { 335 return (FALSE); 336 } 337 338 /* Get the Resource Type and General Flags */ 339 340 (void) AcpiRsConvertAmlToResource (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 (Resource, Aml, AcpiRsConvertMemFlags); 347 } 348 else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE) 349 { 350 (void) AcpiRsConvertAmlToResource (Resource, Aml, AcpiRsConvertIoFlags); 351 } 352 else 353 { 354 /* Generic resource type, just grab the TypeSpecific byte */ 355 356 Resource->Data.Address.Info.TypeSpecific = Aml->Address.SpecificFlags; 357 } 358 359 return (TRUE); 360 } 361 362 363 /******************************************************************************* 364 * 365 * FUNCTION: AcpiRsSetAddressCommon 366 * 367 * PARAMETERS: Aml - Pointer to the AML resource descriptor 368 * Resource - Pointer to the internal resource struct 369 * 370 * RETURN: None 371 * 372 * DESCRIPTION: Convert common flag fields from a resource descriptor to an 373 * AML descriptor 374 * 375 ******************************************************************************/ 376 377 void 378 AcpiRsSetAddressCommon ( 379 AML_RESOURCE *Aml, 380 ACPI_RESOURCE *Resource) 381 { 382 ACPI_FUNCTION_ENTRY (); 383 384 385 /* Set the Resource Type and General Flags */ 386 387 (void) AcpiRsConvertResourceToAml (Resource, Aml, AcpiRsConvertGeneralFlags); 388 389 /* Set the Type-Specific Flags (Memory and I/O descriptors only) */ 390 391 if (Resource->Data.Address.ResourceType == ACPI_MEMORY_RANGE) 392 { 393 (void) AcpiRsConvertResourceToAml (Resource, Aml, AcpiRsConvertMemFlags); 394 } 395 else if (Resource->Data.Address.ResourceType == ACPI_IO_RANGE) 396 { 397 (void) AcpiRsConvertResourceToAml (Resource, Aml, AcpiRsConvertIoFlags); 398 } 399 else 400 { 401 /* Generic resource type, just copy the TypeSpecific byte */ 402 403 Aml->Address.SpecificFlags = Resource->Data.Address.Info.TypeSpecific; 404 } 405 } 406 407 408