tbxfload.c revision 1.1.1.1.10.3
1 1.1.1.1.10.2 tls /****************************************************************************** 2 1.1.1.1.10.2 tls * 3 1.1.1.1.10.2 tls * Module Name: tbxfload - Table load/unload external interfaces 4 1.1.1.1.10.2 tls * 5 1.1.1.1.10.2 tls *****************************************************************************/ 6 1.1.1.1.10.2 tls 7 1.1.1.1.10.2 tls /* 8 1.1.1.1.10.3 jdolecek * Copyright (C) 2000 - 2017, Intel Corp. 9 1.1.1.1.10.2 tls * All rights reserved. 10 1.1.1.1.10.2 tls * 11 1.1.1.1.10.2 tls * Redistribution and use in source and binary forms, with or without 12 1.1.1.1.10.2 tls * modification, are permitted provided that the following conditions 13 1.1.1.1.10.2 tls * are met: 14 1.1.1.1.10.2 tls * 1. Redistributions of source code must retain the above copyright 15 1.1.1.1.10.2 tls * notice, this list of conditions, and the following disclaimer, 16 1.1.1.1.10.2 tls * without modification. 17 1.1.1.1.10.2 tls * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.1.10.2 tls * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.1.10.2 tls * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.1.10.2 tls * including a substantially similar Disclaimer requirement for further 21 1.1.1.1.10.2 tls * binary redistribution. 22 1.1.1.1.10.2 tls * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.1.10.2 tls * of any contributors may be used to endorse or promote products derived 24 1.1.1.1.10.2 tls * from this software without specific prior written permission. 25 1.1.1.1.10.2 tls * 26 1.1.1.1.10.2 tls * Alternatively, this software may be distributed under the terms of the 27 1.1.1.1.10.2 tls * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.1.10.2 tls * Software Foundation. 29 1.1.1.1.10.2 tls * 30 1.1.1.1.10.2 tls * NO WARRANTY 31 1.1.1.1.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.1.10.2 tls * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.1.10.2 tls * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.1.10.2 tls * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.1.10.2 tls * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.1.10.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.1.10.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.1.10.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.1.10.2 tls * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.1.10.2 tls * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.1.10.2 tls * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.1.10.2 tls */ 43 1.1.1.1.10.2 tls 44 1.1.1.1.10.2 tls #define EXPORT_ACPI_INTERFACES 45 1.1.1.1.10.2 tls 46 1.1.1.1.10.2 tls #include "acpi.h" 47 1.1.1.1.10.2 tls #include "accommon.h" 48 1.1.1.1.10.2 tls #include "acnamesp.h" 49 1.1.1.1.10.2 tls #include "actables.h" 50 1.1.1.1.10.3 jdolecek #include "acevents.h" 51 1.1.1.1.10.2 tls 52 1.1.1.1.10.2 tls #define _COMPONENT ACPI_TABLES 53 1.1.1.1.10.2 tls ACPI_MODULE_NAME ("tbxfload") 54 1.1.1.1.10.2 tls 55 1.1.1.1.10.2 tls 56 1.1.1.1.10.2 tls /******************************************************************************* 57 1.1.1.1.10.2 tls * 58 1.1.1.1.10.2 tls * FUNCTION: AcpiLoadTables 59 1.1.1.1.10.2 tls * 60 1.1.1.1.10.2 tls * PARAMETERS: None 61 1.1.1.1.10.2 tls * 62 1.1.1.1.10.2 tls * RETURN: Status 63 1.1.1.1.10.2 tls * 64 1.1.1.1.10.2 tls * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT 65 1.1.1.1.10.2 tls * 66 1.1.1.1.10.2 tls ******************************************************************************/ 67 1.1.1.1.10.2 tls 68 1.1.1.1.10.3 jdolecek ACPI_STATUS ACPI_INIT_FUNCTION 69 1.1.1.1.10.2 tls AcpiLoadTables ( 70 1.1.1.1.10.2 tls void) 71 1.1.1.1.10.2 tls { 72 1.1.1.1.10.2 tls ACPI_STATUS Status; 73 1.1.1.1.10.2 tls 74 1.1.1.1.10.2 tls 75 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (AcpiLoadTables); 76 1.1.1.1.10.2 tls 77 1.1.1.1.10.2 tls 78 1.1.1.1.10.3 jdolecek /* 79 1.1.1.1.10.3 jdolecek * Install the default operation region handlers. These are the 80 1.1.1.1.10.3 jdolecek * handlers that are defined by the ACPI specification to be 81 1.1.1.1.10.3 jdolecek * "always accessible" -- namely, SystemMemory, SystemIO, and 82 1.1.1.1.10.3 jdolecek * PCI_Config. This also means that no _REG methods need to be 83 1.1.1.1.10.3 jdolecek * run for these address spaces. We need to have these handlers 84 1.1.1.1.10.3 jdolecek * installed before any AML code can be executed, especially any 85 1.1.1.1.10.3 jdolecek * module-level code (11/2015). 86 1.1.1.1.10.3 jdolecek * Note that we allow OSPMs to install their own region handlers 87 1.1.1.1.10.3 jdolecek * between AcpiInitializeSubsystem() and AcpiLoadTables() to use 88 1.1.1.1.10.3 jdolecek * their customized default region handlers. 89 1.1.1.1.10.3 jdolecek */ 90 1.1.1.1.10.3 jdolecek Status = AcpiEvInstallRegionHandlers (); 91 1.1.1.1.10.3 jdolecek if (ACPI_FAILURE (Status)) 92 1.1.1.1.10.3 jdolecek { 93 1.1.1.1.10.3 jdolecek ACPI_EXCEPTION ((AE_INFO, Status, "During Region initialization")); 94 1.1.1.1.10.3 jdolecek return_ACPI_STATUS (Status); 95 1.1.1.1.10.3 jdolecek } 96 1.1.1.1.10.3 jdolecek 97 1.1.1.1.10.2 tls /* Load the namespace from the tables */ 98 1.1.1.1.10.2 tls 99 1.1.1.1.10.2 tls Status = AcpiTbLoadNamespace (); 100 1.1.1.1.10.3 jdolecek 101 1.1.1.1.10.3 jdolecek /* Don't let single failures abort the load */ 102 1.1.1.1.10.3 jdolecek 103 1.1.1.1.10.3 jdolecek if (Status == AE_CTRL_TERMINATE) 104 1.1.1.1.10.3 jdolecek { 105 1.1.1.1.10.3 jdolecek Status = AE_OK; 106 1.1.1.1.10.3 jdolecek } 107 1.1.1.1.10.3 jdolecek 108 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 109 1.1.1.1.10.2 tls { 110 1.1.1.1.10.2 tls ACPI_EXCEPTION ((AE_INFO, Status, 111 1.1.1.1.10.2 tls "While loading namespace from ACPI tables")); 112 1.1.1.1.10.2 tls } 113 1.1.1.1.10.2 tls 114 1.1.1.1.10.3 jdolecek if (AcpiGbl_ParseTableAsTermList || !AcpiGbl_GroupModuleLevelCode) 115 1.1.1.1.10.3 jdolecek { 116 1.1.1.1.10.3 jdolecek /* 117 1.1.1.1.10.3 jdolecek * Initialize the objects that remain uninitialized. This 118 1.1.1.1.10.3 jdolecek * runs the executable AML that may be part of the 119 1.1.1.1.10.3 jdolecek * declaration of these objects: 120 1.1.1.1.10.3 jdolecek * OperationRegions, BufferFields, Buffers, and Packages. 121 1.1.1.1.10.3 jdolecek */ 122 1.1.1.1.10.3 jdolecek Status = AcpiNsInitializeObjects (); 123 1.1.1.1.10.3 jdolecek if (ACPI_FAILURE (Status)) 124 1.1.1.1.10.3 jdolecek { 125 1.1.1.1.10.3 jdolecek return_ACPI_STATUS (Status); 126 1.1.1.1.10.3 jdolecek } 127 1.1.1.1.10.3 jdolecek } 128 1.1.1.1.10.3 jdolecek 129 1.1.1.1.10.3 jdolecek AcpiGbl_NamespaceInitialized = TRUE; 130 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 131 1.1.1.1.10.2 tls } 132 1.1.1.1.10.2 tls 133 1.1.1.1.10.2 tls ACPI_EXPORT_SYMBOL_INIT (AcpiLoadTables) 134 1.1.1.1.10.2 tls 135 1.1.1.1.10.2 tls 136 1.1.1.1.10.2 tls /******************************************************************************* 137 1.1.1.1.10.2 tls * 138 1.1.1.1.10.2 tls * FUNCTION: AcpiTbLoadNamespace 139 1.1.1.1.10.2 tls * 140 1.1.1.1.10.2 tls * PARAMETERS: None 141 1.1.1.1.10.2 tls * 142 1.1.1.1.10.2 tls * RETURN: Status 143 1.1.1.1.10.2 tls * 144 1.1.1.1.10.2 tls * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in 145 1.1.1.1.10.2 tls * the RSDT/XSDT. 146 1.1.1.1.10.2 tls * 147 1.1.1.1.10.2 tls ******************************************************************************/ 148 1.1.1.1.10.2 tls 149 1.1.1.1.10.3 jdolecek ACPI_STATUS 150 1.1.1.1.10.2 tls AcpiTbLoadNamespace ( 151 1.1.1.1.10.2 tls void) 152 1.1.1.1.10.2 tls { 153 1.1.1.1.10.2 tls ACPI_STATUS Status; 154 1.1.1.1.10.2 tls UINT32 i; 155 1.1.1.1.10.2 tls ACPI_TABLE_HEADER *NewDsdt; 156 1.1.1.1.10.3 jdolecek ACPI_TABLE_DESC *Table; 157 1.1.1.1.10.3 jdolecek UINT32 TablesLoaded = 0; 158 1.1.1.1.10.3 jdolecek UINT32 TablesFailed = 0; 159 1.1.1.1.10.2 tls 160 1.1.1.1.10.2 tls 161 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (TbLoadNamespace); 162 1.1.1.1.10.2 tls 163 1.1.1.1.10.2 tls 164 1.1.1.1.10.2 tls (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); 165 1.1.1.1.10.2 tls 166 1.1.1.1.10.3 jdolecek #ifdef __ia64__ 167 1.1.1.1.10.3 jdolecek /* 168 1.1.1.1.10.3 jdolecek * For ia64 ski emulator 169 1.1.1.1.10.3 jdolecek */ 170 1.1.1.1.10.3 jdolecek if (AcpiGbl_DsdtIndex == ACPI_INVALID_TABLE_INDEX) 171 1.1.1.1.10.3 jdolecek { 172 1.1.1.1.10.3 jdolecek Status = AE_NO_ACPI_TABLES; 173 1.1.1.1.10.3 jdolecek goto UnlockAndExit; 174 1.1.1.1.10.3 jdolecek } 175 1.1.1.1.10.3 jdolecek #endif 176 1.1.1.1.10.3 jdolecek 177 1.1.1.1.10.2 tls /* 178 1.1.1.1.10.2 tls * Load the namespace. The DSDT is required, but any SSDT and 179 1.1.1.1.10.2 tls * PSDT tables are optional. Verify the DSDT. 180 1.1.1.1.10.2 tls */ 181 1.1.1.1.10.3 jdolecek Table = &AcpiGbl_RootTableList.Tables[AcpiGbl_DsdtIndex]; 182 1.1.1.1.10.3 jdolecek 183 1.1.1.1.10.2 tls if (!AcpiGbl_RootTableList.CurrentTableCount || 184 1.1.1.1.10.3 jdolecek !ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_DSDT) || 185 1.1.1.1.10.3 jdolecek ACPI_FAILURE (AcpiTbValidateTable (Table))) 186 1.1.1.1.10.2 tls { 187 1.1.1.1.10.2 tls Status = AE_NO_ACPI_TABLES; 188 1.1.1.1.10.2 tls goto UnlockAndExit; 189 1.1.1.1.10.2 tls } 190 1.1.1.1.10.2 tls 191 1.1.1.1.10.2 tls /* 192 1.1.1.1.10.2 tls * Save the DSDT pointer for simple access. This is the mapped memory 193 1.1.1.1.10.2 tls * address. We must take care here because the address of the .Tables 194 1.1.1.1.10.2 tls * array can change dynamically as tables are loaded at run-time. Note: 195 1.1.1.1.10.3 jdolecek * .Pointer field is not validated until after call to AcpiTbValidateTable. 196 1.1.1.1.10.2 tls */ 197 1.1.1.1.10.3 jdolecek AcpiGbl_DSDT = Table->Pointer; 198 1.1.1.1.10.2 tls 199 1.1.1.1.10.2 tls /* 200 1.1.1.1.10.2 tls * Optionally copy the entire DSDT to local memory (instead of simply 201 1.1.1.1.10.2 tls * mapping it.) There are some BIOSs that corrupt or replace the original 202 1.1.1.1.10.2 tls * DSDT, creating the need for this option. Default is FALSE, do not copy 203 1.1.1.1.10.2 tls * the DSDT. 204 1.1.1.1.10.2 tls */ 205 1.1.1.1.10.2 tls if (AcpiGbl_CopyDsdtLocally) 206 1.1.1.1.10.2 tls { 207 1.1.1.1.10.3 jdolecek NewDsdt = AcpiTbCopyDsdt (AcpiGbl_DsdtIndex); 208 1.1.1.1.10.2 tls if (NewDsdt) 209 1.1.1.1.10.2 tls { 210 1.1.1.1.10.2 tls AcpiGbl_DSDT = NewDsdt; 211 1.1.1.1.10.2 tls } 212 1.1.1.1.10.2 tls } 213 1.1.1.1.10.2 tls 214 1.1.1.1.10.2 tls /* 215 1.1.1.1.10.2 tls * Save the original DSDT header for detection of table corruption 216 1.1.1.1.10.2 tls * and/or replacement of the DSDT from outside the OS. 217 1.1.1.1.10.2 tls */ 218 1.1.1.1.10.3 jdolecek memcpy (&AcpiGbl_OriginalDsdtHeader, AcpiGbl_DSDT, 219 1.1.1.1.10.2 tls sizeof (ACPI_TABLE_HEADER)); 220 1.1.1.1.10.2 tls 221 1.1.1.1.10.2 tls /* Load and parse tables */ 222 1.1.1.1.10.2 tls 223 1.1.1.1.10.3 jdolecek (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); 224 1.1.1.1.10.3 jdolecek Status = AcpiNsLoadTable (AcpiGbl_DsdtIndex, AcpiGbl_RootNode); 225 1.1.1.1.10.3 jdolecek (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); 226 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 227 1.1.1.1.10.2 tls { 228 1.1.1.1.10.3 jdolecek ACPI_EXCEPTION ((AE_INFO, Status, "[DSDT] table load failed")); 229 1.1.1.1.10.3 jdolecek TablesFailed++; 230 1.1.1.1.10.3 jdolecek } 231 1.1.1.1.10.3 jdolecek else 232 1.1.1.1.10.3 jdolecek { 233 1.1.1.1.10.3 jdolecek TablesLoaded++; 234 1.1.1.1.10.2 tls } 235 1.1.1.1.10.2 tls 236 1.1.1.1.10.2 tls /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ 237 1.1.1.1.10.2 tls 238 1.1.1.1.10.2 tls for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i) 239 1.1.1.1.10.2 tls { 240 1.1.1.1.10.3 jdolecek Table = &AcpiGbl_RootTableList.Tables[i]; 241 1.1.1.1.10.2 tls 242 1.1.1.1.10.3 jdolecek if (!Table->Address || 243 1.1.1.1.10.3 jdolecek (!ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_SSDT) && 244 1.1.1.1.10.3 jdolecek !ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_PSDT) && 245 1.1.1.1.10.3 jdolecek !ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_OSDT)) || 246 1.1.1.1.10.3 jdolecek ACPI_FAILURE (AcpiTbValidateTable (Table))) 247 1.1.1.1.10.2 tls { 248 1.1.1.1.10.2 tls continue; 249 1.1.1.1.10.2 tls } 250 1.1.1.1.10.2 tls 251 1.1.1.1.10.2 tls /* Ignore errors while loading tables, get as many as possible */ 252 1.1.1.1.10.2 tls 253 1.1.1.1.10.2 tls (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); 254 1.1.1.1.10.3 jdolecek Status = AcpiNsLoadTable (i, AcpiGbl_RootNode); 255 1.1.1.1.10.2 tls (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); 256 1.1.1.1.10.3 jdolecek if (ACPI_FAILURE (Status)) 257 1.1.1.1.10.3 jdolecek { 258 1.1.1.1.10.3 jdolecek ACPI_EXCEPTION ((AE_INFO, Status, "(%4.4s:%8.8s) while loading table", 259 1.1.1.1.10.3 jdolecek Table->Signature.Ascii, Table->Pointer->OemTableId)); 260 1.1.1.1.10.3 jdolecek 261 1.1.1.1.10.3 jdolecek TablesFailed++; 262 1.1.1.1.10.3 jdolecek 263 1.1.1.1.10.3 jdolecek ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 264 1.1.1.1.10.3 jdolecek "Table [%4.4s:%8.8s] (id FF) - Table namespace load failed\n\n", 265 1.1.1.1.10.3 jdolecek Table->Signature.Ascii, Table->Pointer->OemTableId)); 266 1.1.1.1.10.3 jdolecek } 267 1.1.1.1.10.3 jdolecek else 268 1.1.1.1.10.3 jdolecek { 269 1.1.1.1.10.3 jdolecek TablesLoaded++; 270 1.1.1.1.10.3 jdolecek } 271 1.1.1.1.10.3 jdolecek } 272 1.1.1.1.10.3 jdolecek 273 1.1.1.1.10.3 jdolecek if (!TablesFailed) 274 1.1.1.1.10.3 jdolecek { 275 1.1.1.1.10.3 jdolecek ACPI_INFO (( 276 1.1.1.1.10.3 jdolecek "%u ACPI AML tables successfully acquired and loaded", 277 1.1.1.1.10.3 jdolecek TablesLoaded)); 278 1.1.1.1.10.3 jdolecek } 279 1.1.1.1.10.3 jdolecek else 280 1.1.1.1.10.3 jdolecek { 281 1.1.1.1.10.3 jdolecek ACPI_ERROR ((AE_INFO, 282 1.1.1.1.10.3 jdolecek "%u table load failures, %u successful", 283 1.1.1.1.10.3 jdolecek TablesFailed, TablesLoaded)); 284 1.1.1.1.10.3 jdolecek 285 1.1.1.1.10.3 jdolecek /* Indicate at least one failure */ 286 1.1.1.1.10.3 jdolecek 287 1.1.1.1.10.3 jdolecek Status = AE_CTRL_TERMINATE; 288 1.1.1.1.10.2 tls } 289 1.1.1.1.10.2 tls 290 1.1.1.1.10.3 jdolecek #ifdef ACPI_APPLICATION 291 1.1.1.1.10.3 jdolecek ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "\n")); 292 1.1.1.1.10.3 jdolecek #endif 293 1.1.1.1.10.3 jdolecek 294 1.1.1.1.10.2 tls 295 1.1.1.1.10.2 tls UnlockAndExit: 296 1.1.1.1.10.2 tls (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); 297 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 298 1.1.1.1.10.2 tls } 299 1.1.1.1.10.2 tls 300 1.1.1.1.10.2 tls 301 1.1.1.1.10.2 tls /******************************************************************************* 302 1.1.1.1.10.2 tls * 303 1.1.1.1.10.3 jdolecek * FUNCTION: AcpiInstallTable 304 1.1.1.1.10.3 jdolecek * 305 1.1.1.1.10.3 jdolecek * PARAMETERS: Address - Address of the ACPI table to be installed. 306 1.1.1.1.10.3 jdolecek * Physical - Whether the address is a physical table 307 1.1.1.1.10.3 jdolecek * address or not 308 1.1.1.1.10.3 jdolecek * 309 1.1.1.1.10.3 jdolecek * RETURN: Status 310 1.1.1.1.10.3 jdolecek * 311 1.1.1.1.10.3 jdolecek * DESCRIPTION: Dynamically install an ACPI table. 312 1.1.1.1.10.3 jdolecek * Note: This function should only be invoked after 313 1.1.1.1.10.3 jdolecek * AcpiInitializeTables() and before AcpiLoadTables(). 314 1.1.1.1.10.3 jdolecek * 315 1.1.1.1.10.3 jdolecek ******************************************************************************/ 316 1.1.1.1.10.3 jdolecek 317 1.1.1.1.10.3 jdolecek ACPI_STATUS ACPI_INIT_FUNCTION 318 1.1.1.1.10.3 jdolecek AcpiInstallTable ( 319 1.1.1.1.10.3 jdolecek ACPI_PHYSICAL_ADDRESS Address, 320 1.1.1.1.10.3 jdolecek BOOLEAN Physical) 321 1.1.1.1.10.3 jdolecek { 322 1.1.1.1.10.3 jdolecek ACPI_STATUS Status; 323 1.1.1.1.10.3 jdolecek UINT8 Flags; 324 1.1.1.1.10.3 jdolecek UINT32 TableIndex; 325 1.1.1.1.10.3 jdolecek 326 1.1.1.1.10.3 jdolecek 327 1.1.1.1.10.3 jdolecek ACPI_FUNCTION_TRACE (AcpiInstallTable); 328 1.1.1.1.10.3 jdolecek 329 1.1.1.1.10.3 jdolecek 330 1.1.1.1.10.3 jdolecek if (Physical) 331 1.1.1.1.10.3 jdolecek { 332 1.1.1.1.10.3 jdolecek Flags = ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL; 333 1.1.1.1.10.3 jdolecek } 334 1.1.1.1.10.3 jdolecek else 335 1.1.1.1.10.3 jdolecek { 336 1.1.1.1.10.3 jdolecek Flags = ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL; 337 1.1.1.1.10.3 jdolecek } 338 1.1.1.1.10.3 jdolecek 339 1.1.1.1.10.3 jdolecek Status = AcpiTbInstallStandardTable (Address, Flags, 340 1.1.1.1.10.3 jdolecek FALSE, FALSE, &TableIndex); 341 1.1.1.1.10.3 jdolecek 342 1.1.1.1.10.3 jdolecek return_ACPI_STATUS (Status); 343 1.1.1.1.10.3 jdolecek } 344 1.1.1.1.10.3 jdolecek 345 1.1.1.1.10.3 jdolecek ACPI_EXPORT_SYMBOL_INIT (AcpiInstallTable) 346 1.1.1.1.10.3 jdolecek 347 1.1.1.1.10.3 jdolecek 348 1.1.1.1.10.3 jdolecek /******************************************************************************* 349 1.1.1.1.10.3 jdolecek * 350 1.1.1.1.10.2 tls * FUNCTION: AcpiLoadTable 351 1.1.1.1.10.2 tls * 352 1.1.1.1.10.2 tls * PARAMETERS: Table - Pointer to a buffer containing the ACPI 353 1.1.1.1.10.2 tls * table to be loaded. 354 1.1.1.1.10.2 tls * 355 1.1.1.1.10.2 tls * RETURN: Status 356 1.1.1.1.10.2 tls * 357 1.1.1.1.10.2 tls * DESCRIPTION: Dynamically load an ACPI table from the caller's buffer. Must 358 1.1.1.1.10.2 tls * be a valid ACPI table with a valid ACPI table header. 359 1.1.1.1.10.2 tls * Note1: Mainly intended to support hotplug addition of SSDTs. 360 1.1.1.1.10.2 tls * Note2: Does not copy the incoming table. User is responsible 361 1.1.1.1.10.2 tls * to ensure that the table is not deleted or unmapped. 362 1.1.1.1.10.2 tls * 363 1.1.1.1.10.2 tls ******************************************************************************/ 364 1.1.1.1.10.2 tls 365 1.1.1.1.10.2 tls ACPI_STATUS 366 1.1.1.1.10.2 tls AcpiLoadTable ( 367 1.1.1.1.10.2 tls ACPI_TABLE_HEADER *Table) 368 1.1.1.1.10.2 tls { 369 1.1.1.1.10.2 tls ACPI_STATUS Status; 370 1.1.1.1.10.2 tls UINT32 TableIndex; 371 1.1.1.1.10.2 tls 372 1.1.1.1.10.2 tls 373 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (AcpiLoadTable); 374 1.1.1.1.10.2 tls 375 1.1.1.1.10.2 tls 376 1.1.1.1.10.2 tls /* Parameter validation */ 377 1.1.1.1.10.2 tls 378 1.1.1.1.10.2 tls if (!Table) 379 1.1.1.1.10.2 tls { 380 1.1.1.1.10.2 tls return_ACPI_STATUS (AE_BAD_PARAMETER); 381 1.1.1.1.10.2 tls } 382 1.1.1.1.10.2 tls 383 1.1.1.1.10.2 tls /* Install the table and load it into the namespace */ 384 1.1.1.1.10.2 tls 385 1.1.1.1.10.3 jdolecek ACPI_INFO (("Host-directed Dynamic ACPI Table Load:")); 386 1.1.1.1.10.3 jdolecek Status = AcpiTbInstallAndLoadTable (ACPI_PTR_TO_PHYSADDR (Table), 387 1.1.1.1.10.3 jdolecek ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, FALSE, &TableIndex); 388 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 389 1.1.1.1.10.2 tls } 390 1.1.1.1.10.2 tls 391 1.1.1.1.10.2 tls ACPI_EXPORT_SYMBOL (AcpiLoadTable) 392 1.1.1.1.10.2 tls 393 1.1.1.1.10.2 tls 394 1.1.1.1.10.2 tls /******************************************************************************* 395 1.1.1.1.10.2 tls * 396 1.1.1.1.10.2 tls * FUNCTION: AcpiUnloadParentTable 397 1.1.1.1.10.2 tls * 398 1.1.1.1.10.2 tls * PARAMETERS: Object - Handle to any namespace object owned by 399 1.1.1.1.10.2 tls * the table to be unloaded 400 1.1.1.1.10.2 tls * 401 1.1.1.1.10.2 tls * RETURN: Status 402 1.1.1.1.10.2 tls * 403 1.1.1.1.10.2 tls * DESCRIPTION: Via any namespace object within an SSDT or OEMx table, unloads 404 1.1.1.1.10.2 tls * the table and deletes all namespace objects associated with 405 1.1.1.1.10.2 tls * that table. Unloading of the DSDT is not allowed. 406 1.1.1.1.10.2 tls * Note: Mainly intended to support hotplug removal of SSDTs. 407 1.1.1.1.10.2 tls * 408 1.1.1.1.10.2 tls ******************************************************************************/ 409 1.1.1.1.10.2 tls 410 1.1.1.1.10.2 tls ACPI_STATUS 411 1.1.1.1.10.2 tls AcpiUnloadParentTable ( 412 1.1.1.1.10.2 tls ACPI_HANDLE Object) 413 1.1.1.1.10.2 tls { 414 1.1.1.1.10.2 tls ACPI_NAMESPACE_NODE *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Object); 415 1.1.1.1.10.2 tls ACPI_STATUS Status = AE_NOT_EXIST; 416 1.1.1.1.10.2 tls ACPI_OWNER_ID OwnerId; 417 1.1.1.1.10.2 tls UINT32 i; 418 1.1.1.1.10.2 tls 419 1.1.1.1.10.2 tls 420 1.1.1.1.10.2 tls ACPI_FUNCTION_TRACE (AcpiUnloadParentTable); 421 1.1.1.1.10.2 tls 422 1.1.1.1.10.2 tls 423 1.1.1.1.10.2 tls /* Parameter validation */ 424 1.1.1.1.10.2 tls 425 1.1.1.1.10.2 tls if (!Object) 426 1.1.1.1.10.2 tls { 427 1.1.1.1.10.2 tls return_ACPI_STATUS (AE_BAD_PARAMETER); 428 1.1.1.1.10.2 tls } 429 1.1.1.1.10.2 tls 430 1.1.1.1.10.2 tls /* 431 1.1.1.1.10.2 tls * The node OwnerId is currently the same as the parent table ID. 432 1.1.1.1.10.2 tls * However, this could change in the future. 433 1.1.1.1.10.2 tls */ 434 1.1.1.1.10.2 tls OwnerId = Node->OwnerId; 435 1.1.1.1.10.2 tls if (!OwnerId) 436 1.1.1.1.10.2 tls { 437 1.1.1.1.10.2 tls /* OwnerId==0 means DSDT is the owner. DSDT cannot be unloaded */ 438 1.1.1.1.10.2 tls 439 1.1.1.1.10.2 tls return_ACPI_STATUS (AE_TYPE); 440 1.1.1.1.10.2 tls } 441 1.1.1.1.10.2 tls 442 1.1.1.1.10.3 jdolecek /* Must acquire the table lock during this operation */ 443 1.1.1.1.10.2 tls 444 1.1.1.1.10.3 jdolecek Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES); 445 1.1.1.1.10.2 tls if (ACPI_FAILURE (Status)) 446 1.1.1.1.10.2 tls { 447 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 448 1.1.1.1.10.2 tls } 449 1.1.1.1.10.2 tls 450 1.1.1.1.10.2 tls /* Find the table in the global table list */ 451 1.1.1.1.10.2 tls 452 1.1.1.1.10.2 tls for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++) 453 1.1.1.1.10.2 tls { 454 1.1.1.1.10.2 tls if (OwnerId != AcpiGbl_RootTableList.Tables[i].OwnerId) 455 1.1.1.1.10.2 tls { 456 1.1.1.1.10.2 tls continue; 457 1.1.1.1.10.2 tls } 458 1.1.1.1.10.2 tls 459 1.1.1.1.10.2 tls /* 460 1.1.1.1.10.2 tls * Allow unload of SSDT and OEMx tables only. Do not allow unload 461 1.1.1.1.10.2 tls * of the DSDT. No other types of tables should get here, since 462 1.1.1.1.10.2 tls * only these types can contain AML and thus are the only types 463 1.1.1.1.10.2 tls * that can create namespace objects. 464 1.1.1.1.10.2 tls */ 465 1.1.1.1.10.2 tls if (ACPI_COMPARE_NAME ( 466 1.1.1.1.10.3 jdolecek AcpiGbl_RootTableList.Tables[i].Signature.Ascii, 467 1.1.1.1.10.3 jdolecek ACPI_SIG_DSDT)) 468 1.1.1.1.10.2 tls { 469 1.1.1.1.10.2 tls Status = AE_TYPE; 470 1.1.1.1.10.2 tls break; 471 1.1.1.1.10.2 tls } 472 1.1.1.1.10.2 tls 473 1.1.1.1.10.3 jdolecek (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); 474 1.1.1.1.10.3 jdolecek Status = AcpiTbUnloadTable (i); 475 1.1.1.1.10.3 jdolecek (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); 476 1.1.1.1.10.2 tls break; 477 1.1.1.1.10.2 tls } 478 1.1.1.1.10.2 tls 479 1.1.1.1.10.3 jdolecek (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); 480 1.1.1.1.10.2 tls return_ACPI_STATUS (Status); 481 1.1.1.1.10.2 tls } 482 1.1.1.1.10.2 tls 483 1.1.1.1.10.2 tls ACPI_EXPORT_SYMBOL (AcpiUnloadParentTable) 484
Indexes created Tue Oct 21 19:09:51 GMT 2025