Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Module Name: tbinstal - ACPI table installation and removal |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
Len Brown | 75a44ce | 2008-04-23 23:00:13 -0400 | [diff] [blame] | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <acpi/acpi.h> |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 45 | #include <acpi/acnamesp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | #include <acpi/actables.h> |
| 47 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | #define _COMPONENT ACPI_TABLES |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 49 | ACPI_MODULE_NAME("tbinstal") |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 51 | /****************************************************************************** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 53 | * FUNCTION: acpi_tb_verify_table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 55 | * PARAMETERS: table_desc - table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | * |
| 57 | * RETURN: Status |
| 58 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 59 | * DESCRIPTION: this function is called to verify and map table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 61 | *****************************************************************************/ |
| 62 | acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | { |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 64 | acpi_status status = AE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 66 | ACPI_FUNCTION_TRACE(tb_verify_table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 68 | /* Map the table if necessary */ |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 69 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 70 | if (!table_desc->pointer) { |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 71 | if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) == |
| 72 | ACPI_TABLE_ORIGIN_MAPPED) { |
| 73 | table_desc->pointer = |
| 74 | acpi_os_map_memory(table_desc->address, |
| 75 | table_desc->length); |
| 76 | } |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 77 | if (!table_desc->pointer) { |
| 78 | return_ACPI_STATUS(AE_NO_MEMORY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | } |
| 80 | } |
| 81 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 82 | /* FACS is the odd table, has no standard ACPI header and no checksum */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 84 | if (!ACPI_COMPARE_NAME(&table_desc->signature, ACPI_SIG_FACS)) { |
| 85 | |
| 86 | /* Always calculate checksum, ignore bad checksum if requested */ |
| 87 | |
| 88 | status = |
| 89 | acpi_tb_verify_checksum(table_desc->pointer, |
| 90 | table_desc->length); |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 91 | } |
| 92 | |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 93 | return_ACPI_STATUS(status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | } |
| 95 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | /******************************************************************************* |
| 97 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 98 | * FUNCTION: acpi_tb_add_table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | * |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 100 | * PARAMETERS: table_desc - Table descriptor |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 101 | * table_index - Where the table index is returned |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | * |
| 103 | * RETURN: Status |
| 104 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 105 | * DESCRIPTION: This function is called to add the ACPI table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | * |
| 107 | ******************************************************************************/ |
| 108 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 109 | acpi_status |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 110 | acpi_tb_add_table(struct acpi_table_desc *table_desc, |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 111 | acpi_native_uint * table_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 113 | acpi_native_uint i; |
| 114 | acpi_native_uint length; |
| 115 | acpi_status status = AE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 117 | ACPI_FUNCTION_TRACE(tb_add_table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 119 | if (!table_desc->pointer) { |
| 120 | status = acpi_tb_verify_table(table_desc); |
| 121 | if (ACPI_FAILURE(status) || !table_desc->pointer) { |
| 122 | return_ACPI_STATUS(status); |
| 123 | } |
| 124 | } |
| 125 | |
Bob Moore | bc45b1d | 2008-06-10 14:12:50 +0800 | [diff] [blame^] | 126 | /* |
| 127 | * Originally, we checked the table signature for "SSDT" or "PSDT" here. |
| 128 | * Next, we added support for OEMx tables, signature "OEM". |
| 129 | * Valid tables were encountered with a null signature, so we've just |
| 130 | * given up on validating the signature, since it seems to be a waste |
| 131 | * of code. The original code was removed (05/2008). |
| 132 | */ |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 133 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 134 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 136 | /* Check if table is already registered */ |
| 137 | |
| 138 | for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { |
| 139 | if (!acpi_gbl_root_table_list.tables[i].pointer) { |
| 140 | status = |
| 141 | acpi_tb_verify_table(&acpi_gbl_root_table_list. |
| 142 | tables[i]); |
| 143 | if (ACPI_FAILURE(status) |
| 144 | || !acpi_gbl_root_table_list.tables[i].pointer) { |
| 145 | continue; |
| 146 | } |
| 147 | } |
| 148 | |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 149 | length = ACPI_MIN(table_desc->length, |
| 150 | acpi_gbl_root_table_list.tables[i].length); |
| 151 | if (ACPI_MEMCMP(table_desc->pointer, |
| 152 | acpi_gbl_root_table_list.tables[i].pointer, |
| 153 | length)) { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 154 | continue; |
| 155 | } |
| 156 | |
| 157 | /* Table is already registered */ |
| 158 | |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 159 | acpi_tb_delete_table(table_desc); |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 160 | *table_index = i; |
Lin Ming | 200cce6 | 2008-04-10 19:06:42 +0400 | [diff] [blame] | 161 | status = AE_ALREADY_EXISTS; |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 162 | goto release; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | } |
| 164 | |
Robert Moore | 0c9938c | 2005-07-29 15:15:00 -0700 | [diff] [blame] | 165 | /* |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 166 | * Add the table to the global table list |
Robert Moore | 0c9938c | 2005-07-29 15:15:00 -0700 | [diff] [blame] | 167 | */ |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 168 | status = acpi_tb_store_table(table_desc->address, table_desc->pointer, |
| 169 | table_desc->length, table_desc->flags, |
| 170 | table_index); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 171 | if (ACPI_FAILURE(status)) { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 172 | goto release; |
Robert Moore | 0c9938c | 2005-07-29 15:15:00 -0700 | [diff] [blame] | 173 | } |
| 174 | |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 175 | acpi_tb_print_table_header(table_desc->address, table_desc->pointer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 177 | release: |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 178 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
| 179 | return_ACPI_STATUS(status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | /******************************************************************************* |
| 183 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 184 | * FUNCTION: acpi_tb_resize_root_table_list |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 186 | * PARAMETERS: None |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | * |
| 188 | * RETURN: Status |
| 189 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 190 | * DESCRIPTION: Expand the size of global table array |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | * |
| 192 | ******************************************************************************/ |
| 193 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 194 | acpi_status acpi_tb_resize_root_table_list(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 196 | struct acpi_table_desc *tables; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 198 | ACPI_FUNCTION_TRACE(tb_resize_root_table_list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 200 | /* allow_resize flag is a parameter to acpi_initialize_tables */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 202 | if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 203 | ACPI_ERROR((AE_INFO, |
| 204 | "Resize of Root Table Array is not allowed")); |
| 205 | return_ACPI_STATUS(AE_SUPPORT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | } |
| 207 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 208 | /* Increase the Table Array size */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 210 | tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size + |
| 211 | ACPI_ROOT_TABLE_SIZE_INCREMENT) |
| 212 | * sizeof(struct acpi_table_desc)); |
| 213 | if (!tables) { |
| 214 | ACPI_ERROR((AE_INFO, |
| 215 | "Could not allocate new root table array")); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 216 | return_ACPI_STATUS(AE_NO_MEMORY); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | } |
| 218 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 219 | /* Copy and free the previous table array */ |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 220 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 221 | if (acpi_gbl_root_table_list.tables) { |
| 222 | ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, |
| 223 | acpi_gbl_root_table_list.size * |
| 224 | sizeof(struct acpi_table_desc)); |
Robert Moore | f9f4601 | 2005-07-08 00:00:00 -0400 | [diff] [blame] | 225 | |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 226 | if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 227 | ACPI_FREE(acpi_gbl_root_table_list.tables); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | } |
| 229 | } |
| 230 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 231 | acpi_gbl_root_table_list.tables = tables; |
| 232 | acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT; |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 233 | acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 235 | return_ACPI_STATUS(AE_OK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | } |
| 237 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | /******************************************************************************* |
| 239 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 240 | * FUNCTION: acpi_tb_store_table |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 242 | * PARAMETERS: Address - Table address |
| 243 | * Table - Table header |
| 244 | * Length - Table length |
| 245 | * Flags - flags |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 247 | * RETURN: Status and table index. |
| 248 | * |
| 249 | * DESCRIPTION: Add an ACPI table to the global table list |
| 250 | * |
| 251 | ******************************************************************************/ |
| 252 | |
| 253 | acpi_status |
| 254 | acpi_tb_store_table(acpi_physical_address address, |
| 255 | struct acpi_table_header *table, |
| 256 | u32 length, u8 flags, acpi_native_uint * table_index) |
| 257 | { |
| 258 | acpi_status status = AE_OK; |
| 259 | |
| 260 | /* Ensure that there is room for the table in the Root Table List */ |
| 261 | |
| 262 | if (acpi_gbl_root_table_list.count >= acpi_gbl_root_table_list.size) { |
| 263 | status = acpi_tb_resize_root_table_list(); |
| 264 | if (ACPI_FAILURE(status)) { |
| 265 | return (status); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | /* Initialize added table */ |
| 270 | |
| 271 | acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. |
| 272 | address = address; |
| 273 | acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. |
| 274 | pointer = table; |
| 275 | acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].length = |
| 276 | length; |
| 277 | acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. |
| 278 | owner_id = 0; |
| 279 | acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].flags = |
| 280 | flags; |
| 281 | |
| 282 | ACPI_MOVE_32_TO_32(& |
| 283 | (acpi_gbl_root_table_list. |
| 284 | tables[acpi_gbl_root_table_list.count].signature), |
| 285 | table->signature); |
| 286 | |
| 287 | *table_index = acpi_gbl_root_table_list.count; |
| 288 | acpi_gbl_root_table_list.count++; |
| 289 | return (status); |
| 290 | } |
| 291 | |
| 292 | /******************************************************************************* |
| 293 | * |
| 294 | * FUNCTION: acpi_tb_delete_table |
| 295 | * |
| 296 | * PARAMETERS: table_index - Table index |
| 297 | * |
| 298 | * RETURN: None |
| 299 | * |
| 300 | * DESCRIPTION: Delete one internal ACPI table |
| 301 | * |
| 302 | ******************************************************************************/ |
| 303 | |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 304 | void acpi_tb_delete_table(struct acpi_table_desc *table_desc) |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 305 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 306 | /* Table must be mapped or allocated */ |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 307 | if (!table_desc->pointer) { |
| 308 | return; |
| 309 | } |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 310 | switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) { |
| 311 | case ACPI_TABLE_ORIGIN_MAPPED: |
| 312 | acpi_os_unmap_memory(table_desc->pointer, table_desc->length); |
| 313 | break; |
| 314 | case ACPI_TABLE_ORIGIN_ALLOCATED: |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 315 | ACPI_FREE(table_desc->pointer); |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 316 | break; |
| 317 | default:; |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | table_desc->pointer = NULL; |
| 321 | } |
| 322 | |
| 323 | /******************************************************************************* |
| 324 | * |
| 325 | * FUNCTION: acpi_tb_terminate |
| 326 | * |
| 327 | * PARAMETERS: None |
| 328 | * |
| 329 | * RETURN: None |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | * |
| 331 | * DESCRIPTION: Delete all internal ACPI tables |
| 332 | * |
| 333 | ******************************************************************************/ |
| 334 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 335 | void acpi_tb_terminate(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 337 | acpi_native_uint i; |
| 338 | |
| 339 | ACPI_FUNCTION_TRACE(tb_terminate); |
| 340 | |
| 341 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 342 | |
| 343 | /* Delete the individual tables */ |
| 344 | |
| 345 | for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { |
Alexey Starikovskiy | 428f211 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 346 | acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]); |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 347 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | |
| 349 | /* |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 350 | * Delete the root table array if allocated locally. Array cannot be |
| 351 | * mapped, so we don't need to check for that flag. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | */ |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 353 | if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 354 | ACPI_FREE(acpi_gbl_root_table_list.tables); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | } |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 356 | |
| 357 | acpi_gbl_root_table_list.tables = NULL; |
| 358 | acpi_gbl_root_table_list.flags = 0; |
| 359 | acpi_gbl_root_table_list.count = 0; |
| 360 | |
| 361 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n")); |
| 362 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | } |
| 364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | /******************************************************************************* |
| 366 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 367 | * FUNCTION: acpi_tb_delete_namespace_by_owner |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 369 | * PARAMETERS: table_index - Table index |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 371 | * RETURN: None |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 373 | * DESCRIPTION: Delete all namespace objects created when this table was loaded. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | * |
| 375 | ******************************************************************************/ |
| 376 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 377 | void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 379 | acpi_owner_id owner_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 381 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 382 | if (table_index < acpi_gbl_root_table_list.count) { |
| 383 | owner_id = |
| 384 | acpi_gbl_root_table_list.tables[table_index].owner_id; |
| 385 | } else { |
| 386 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | return; |
| 388 | } |
| 389 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 390 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 391 | acpi_ns_delete_namespace_by_owner(owner_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | } |
| 393 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | /******************************************************************************* |
| 395 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 396 | * FUNCTION: acpi_tb_allocate_owner_id |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 398 | * PARAMETERS: table_index - Table index |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 400 | * RETURN: Status |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 402 | * DESCRIPTION: Allocates owner_id in table_desc |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | * |
| 404 | ******************************************************************************/ |
| 405 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 406 | acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 408 | acpi_status status = AE_BAD_PARAMETER; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 410 | ACPI_FUNCTION_TRACE(tb_allocate_owner_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 412 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 413 | if (table_index < acpi_gbl_root_table_list.count) { |
| 414 | status = acpi_ut_allocate_owner_id |
| 415 | (&(acpi_gbl_root_table_list.tables[table_index].owner_id)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | } |
| 417 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 418 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
| 419 | return_ACPI_STATUS(status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | } |
| 421 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | /******************************************************************************* |
| 423 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 424 | * FUNCTION: acpi_tb_release_owner_id |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 426 | * PARAMETERS: table_index - Table index |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 428 | * RETURN: Status |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | * |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 430 | * DESCRIPTION: Releases owner_id in table_desc |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | * |
| 432 | ******************************************************************************/ |
| 433 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 434 | acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | { |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 436 | acpi_status status = AE_BAD_PARAMETER; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 438 | ACPI_FUNCTION_TRACE(tb_release_owner_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 440 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 441 | if (table_index < acpi_gbl_root_table_list.count) { |
| 442 | acpi_ut_release_owner_id(& |
| 443 | (acpi_gbl_root_table_list. |
| 444 | tables[table_index].owner_id)); |
| 445 | status = AE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | } |
| 447 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 448 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
| 449 | return_ACPI_STATUS(status); |
| 450 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 452 | /******************************************************************************* |
| 453 | * |
| 454 | * FUNCTION: acpi_tb_get_owner_id |
| 455 | * |
| 456 | * PARAMETERS: table_index - Table index |
| 457 | * owner_id - Where the table owner_id is returned |
| 458 | * |
| 459 | * RETURN: Status |
| 460 | * |
| 461 | * DESCRIPTION: returns owner_id for the ACPI table |
| 462 | * |
| 463 | ******************************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 465 | acpi_status |
| 466 | acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id) |
| 467 | { |
| 468 | acpi_status status = AE_BAD_PARAMETER; |
| 469 | |
| 470 | ACPI_FUNCTION_TRACE(tb_get_owner_id); |
| 471 | |
| 472 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 473 | if (table_index < acpi_gbl_root_table_list.count) { |
| 474 | *owner_id = |
| 475 | acpi_gbl_root_table_list.tables[table_index].owner_id; |
| 476 | status = AE_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | } |
| 478 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 479 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
| 480 | return_ACPI_STATUS(status); |
| 481 | } |
| 482 | |
| 483 | /******************************************************************************* |
| 484 | * |
| 485 | * FUNCTION: acpi_tb_is_table_loaded |
| 486 | * |
| 487 | * PARAMETERS: table_index - Table index |
| 488 | * |
| 489 | * RETURN: Table Loaded Flag |
| 490 | * |
| 491 | ******************************************************************************/ |
| 492 | |
| 493 | u8 acpi_tb_is_table_loaded(acpi_native_uint table_index) |
| 494 | { |
| 495 | u8 is_loaded = FALSE; |
| 496 | |
| 497 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 498 | if (table_index < acpi_gbl_root_table_list.count) { |
| 499 | is_loaded = (u8) |
| 500 | (acpi_gbl_root_table_list.tables[table_index]. |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 501 | flags & ACPI_TABLE_IS_LOADED); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | } |
| 503 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 504 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
| 505 | return (is_loaded); |
| 506 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 508 | /******************************************************************************* |
| 509 | * |
| 510 | * FUNCTION: acpi_tb_set_table_loaded_flag |
| 511 | * |
| 512 | * PARAMETERS: table_index - Table index |
| 513 | * is_loaded - TRUE if table is loaded, FALSE otherwise |
| 514 | * |
| 515 | * RETURN: None |
| 516 | * |
| 517 | * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE. |
| 518 | * |
| 519 | ******************************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 521 | void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded) |
| 522 | { |
Bob Moore | f6dd922 | 2006-07-07 20:44:38 -0400 | [diff] [blame] | 523 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 524 | (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); |
| 525 | if (table_index < acpi_gbl_root_table_list.count) { |
| 526 | if (is_loaded) { |
| 527 | acpi_gbl_root_table_list.tables[table_index].flags |= |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 528 | ACPI_TABLE_IS_LOADED; |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 529 | } else { |
| 530 | acpi_gbl_root_table_list.tables[table_index].flags &= |
Bob Moore | c5fc42a | 2007-02-02 19:48:19 +0300 | [diff] [blame] | 531 | ~ACPI_TABLE_IS_LOADED; |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 532 | } |
| 533 | } |
Bob Moore | f6dd922 | 2006-07-07 20:44:38 -0400 | [diff] [blame] | 534 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 535 | (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | } |