Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Module Name: rsmem24 - Memory resource descriptors |
| 4 | * |
| 5 | ******************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2005, R. Byron Moore |
| 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 | |
| 45 | #include <acpi/acpi.h> |
| 46 | #include <acpi/acresrc.h> |
| 47 | |
| 48 | #define _COMPONENT ACPI_RESOURCES |
| 49 | ACPI_MODULE_NAME ("rsmemory") |
| 50 | |
| 51 | |
| 52 | /******************************************************************************* |
| 53 | * |
| 54 | * FUNCTION: acpi_rs_memory24_resource |
| 55 | * |
| 56 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte |
| 57 | * stream |
| 58 | * bytes_consumed - Pointer to where the number of bytes |
| 59 | * consumed the byte_stream_buffer is |
| 60 | * returned |
| 61 | * output_buffer - Pointer to the return data buffer |
| 62 | * structure_size - Pointer to where the number of bytes |
| 63 | * in the return data struct is returned |
| 64 | * |
| 65 | * RETURN: Status |
| 66 | * |
| 67 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate |
| 68 | * structure pointed to by the output_buffer. Return the |
| 69 | * number of bytes consumed from the byte stream. |
| 70 | * |
| 71 | ******************************************************************************/ |
| 72 | |
| 73 | acpi_status |
| 74 | acpi_rs_memory24_resource ( |
| 75 | u8 *byte_stream_buffer, |
| 76 | acpi_size *bytes_consumed, |
| 77 | u8 **output_buffer, |
| 78 | acpi_size *structure_size) |
| 79 | { |
| 80 | u8 *buffer = byte_stream_buffer; |
| 81 | struct acpi_resource *output_struct = (void *) *output_buffer; |
| 82 | u16 temp16 = 0; |
| 83 | u8 temp8 = 0; |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 84 | acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( |
| 85 | struct acpi_resource_mem24); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
| 87 | |
| 88 | ACPI_FUNCTION_TRACE ("rs_memory24_resource"); |
| 89 | |
| 90 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 91 | /* Point past the Descriptor to get the number of bytes consumed */ |
| 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | buffer += 1; |
| 94 | |
| 95 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 96 | buffer += 2; |
| 97 | *bytes_consumed = (acpi_size) temp16 + 3; |
| 98 | output_struct->id = ACPI_RSTYPE_MEM24; |
| 99 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 100 | /* Check Byte 3 the Read/Write bit */ |
| 101 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | temp8 = *buffer; |
| 103 | buffer += 1; |
| 104 | output_struct->data.memory24.read_write_attribute = temp8 & 0x01; |
| 105 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 106 | /* Get min_base_address (Bytes 4-5) */ |
| 107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 109 | buffer += 2; |
| 110 | output_struct->data.memory24.min_base_address = temp16; |
| 111 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 112 | /* Get max_base_address (Bytes 6-7) */ |
| 113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 115 | buffer += 2; |
| 116 | output_struct->data.memory24.max_base_address = temp16; |
| 117 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 118 | /* Get Alignment (Bytes 8-9) */ |
| 119 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 121 | buffer += 2; |
| 122 | output_struct->data.memory24.alignment = temp16; |
| 123 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 124 | /* Get range_length (Bytes 10-11) */ |
| 125 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 127 | output_struct->data.memory24.range_length = temp16; |
| 128 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 129 | /* Set the Length parameter */ |
| 130 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | output_struct->length = (u32) struct_size; |
| 132 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 133 | /* Return the final size of the structure */ |
| 134 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | *structure_size = struct_size; |
| 136 | return_ACPI_STATUS (AE_OK); |
| 137 | } |
| 138 | |
| 139 | |
| 140 | /******************************************************************************* |
| 141 | * |
| 142 | * FUNCTION: acpi_rs_memory24_stream |
| 143 | * |
| 144 | * PARAMETERS: linked_list - Pointer to the resource linked list |
| 145 | * output_buffer - Pointer to the user's return buffer |
| 146 | * bytes_consumed - Pointer to where the number of bytes |
| 147 | * used in the output_buffer is returned |
| 148 | * |
| 149 | * RETURN: Status |
| 150 | * |
| 151 | * DESCRIPTION: Take the linked list resource structure and fills in the |
| 152 | * the appropriate bytes in a byte stream |
| 153 | * |
| 154 | ******************************************************************************/ |
| 155 | |
| 156 | acpi_status |
| 157 | acpi_rs_memory24_stream ( |
| 158 | struct acpi_resource *linked_list, |
| 159 | u8 **output_buffer, |
| 160 | acpi_size *bytes_consumed) |
| 161 | { |
| 162 | u8 *buffer = *output_buffer; |
| 163 | u16 temp16 = 0; |
| 164 | u8 temp8 = 0; |
| 165 | |
| 166 | |
| 167 | ACPI_FUNCTION_TRACE ("rs_memory24_stream"); |
| 168 | |
| 169 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 170 | /* The descriptor field is static */ |
| 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | *buffer = 0x81; |
| 173 | buffer += 1; |
| 174 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 175 | /* The length field is static */ |
| 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | temp16 = 0x09; |
| 178 | ACPI_MOVE_16_TO_16 (buffer, &temp16); |
| 179 | buffer += 2; |
| 180 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 181 | /* Set the Information Byte */ |
| 182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | temp8 = (u8) (linked_list->data.memory24.read_write_attribute & 0x01); |
| 184 | *buffer = temp8; |
| 185 | buffer += 1; |
| 186 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 187 | /* Set the Range minimum base address */ |
| 188 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.min_base_address); |
| 190 | buffer += 2; |
| 191 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 192 | /* Set the Range maximum base address */ |
| 193 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.max_base_address); |
| 195 | buffer += 2; |
| 196 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 197 | /* Set the base alignment */ |
| 198 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.alignment); |
| 200 | buffer += 2; |
| 201 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 202 | /* Set the range length */ |
| 203 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.range_length); |
| 205 | buffer += 2; |
| 206 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 207 | /* Return the number of bytes consumed in this operation */ |
| 208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); |
| 210 | return_ACPI_STATUS (AE_OK); |
| 211 | } |
| 212 | |
| 213 | |
| 214 | /******************************************************************************* |
| 215 | * |
| 216 | * FUNCTION: acpi_rs_memory32_range_resource |
| 217 | * |
| 218 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte |
| 219 | * stream |
| 220 | * bytes_consumed - Pointer to where the number of bytes |
| 221 | * consumed the byte_stream_buffer is |
| 222 | * returned |
| 223 | * output_buffer - Pointer to the return data buffer |
| 224 | * structure_size - Pointer to where the number of bytes |
| 225 | * in the return data struct is returned |
| 226 | * |
| 227 | * RETURN: Status |
| 228 | * |
| 229 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate |
| 230 | * structure pointed to by the output_buffer. Return the |
| 231 | * number of bytes consumed from the byte stream. |
| 232 | * |
| 233 | ******************************************************************************/ |
| 234 | |
| 235 | acpi_status |
| 236 | acpi_rs_memory32_range_resource ( |
| 237 | u8 *byte_stream_buffer, |
| 238 | acpi_size *bytes_consumed, |
| 239 | u8 **output_buffer, |
| 240 | acpi_size *structure_size) |
| 241 | { |
| 242 | u8 *buffer = byte_stream_buffer; |
| 243 | struct acpi_resource *output_struct = (void *) *output_buffer; |
| 244 | u16 temp16 = 0; |
| 245 | u8 temp8 = 0; |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 246 | acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( |
| 247 | struct acpi_resource_mem32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | |
| 249 | |
| 250 | ACPI_FUNCTION_TRACE ("rs_memory32_range_resource"); |
| 251 | |
| 252 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 253 | /* Point past the Descriptor to get the number of bytes consumed */ |
| 254 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | buffer += 1; |
| 256 | |
| 257 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 258 | buffer += 2; |
| 259 | *bytes_consumed = (acpi_size) temp16 + 3; |
| 260 | |
| 261 | output_struct->id = ACPI_RSTYPE_MEM32; |
| 262 | |
| 263 | /* |
| 264 | * Point to the place in the output buffer where the data portion will |
| 265 | * begin. |
| 266 | * 1. Set the RESOURCE_DATA * Data to point to its own address, then |
| 267 | * 2. Set the pointer to the next address. |
| 268 | * |
| 269 | * NOTE: output_struct->Data is cast to u8, otherwise, this addition adds |
| 270 | * 4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(u8) |
| 271 | */ |
| 272 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 273 | /* Check Byte 3 the Read/Write bit */ |
| 274 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | temp8 = *buffer; |
| 276 | buffer += 1; |
| 277 | |
| 278 | output_struct->data.memory32.read_write_attribute = temp8 & 0x01; |
| 279 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 280 | /* Get min_base_address (Bytes 4-7) */ |
| 281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.min_base_address, buffer); |
| 283 | buffer += 4; |
| 284 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 285 | /* Get max_base_address (Bytes 8-11) */ |
| 286 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.max_base_address, buffer); |
| 288 | buffer += 4; |
| 289 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 290 | /* Get Alignment (Bytes 12-15) */ |
| 291 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.alignment, buffer); |
| 293 | buffer += 4; |
| 294 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 295 | /* Get range_length (Bytes 16-19) */ |
| 296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.range_length, buffer); |
| 298 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 299 | /* Set the Length parameter */ |
| 300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | output_struct->length = (u32) struct_size; |
| 302 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 303 | /* Return the final size of the structure */ |
| 304 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | *structure_size = struct_size; |
| 306 | return_ACPI_STATUS (AE_OK); |
| 307 | } |
| 308 | |
| 309 | |
| 310 | /******************************************************************************* |
| 311 | * |
| 312 | * FUNCTION: acpi_rs_fixed_memory32_resource |
| 313 | * |
| 314 | * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte |
| 315 | * stream |
| 316 | * bytes_consumed - Pointer to where the number of bytes |
| 317 | * consumed the byte_stream_buffer is |
| 318 | * returned |
| 319 | * output_buffer - Pointer to the return data buffer |
| 320 | * structure_size - Pointer to where the number of bytes |
| 321 | * in the return data struct is returned |
| 322 | * |
| 323 | * RETURN: Status |
| 324 | * |
| 325 | * DESCRIPTION: Take the resource byte stream and fill out the appropriate |
| 326 | * structure pointed to by the output_buffer. Return the |
| 327 | * number of bytes consumed from the byte stream. |
| 328 | * |
| 329 | ******************************************************************************/ |
| 330 | |
| 331 | acpi_status |
| 332 | acpi_rs_fixed_memory32_resource ( |
| 333 | u8 *byte_stream_buffer, |
| 334 | acpi_size *bytes_consumed, |
| 335 | u8 **output_buffer, |
| 336 | acpi_size *structure_size) |
| 337 | { |
| 338 | u8 *buffer = byte_stream_buffer; |
| 339 | struct acpi_resource *output_struct = (void *) *output_buffer; |
| 340 | u16 temp16 = 0; |
| 341 | u8 temp8 = 0; |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 342 | acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( |
| 343 | struct acpi_resource_fixed_mem32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | |
| 345 | |
| 346 | ACPI_FUNCTION_TRACE ("rs_fixed_memory32_resource"); |
| 347 | |
| 348 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 349 | /* Point past the Descriptor to get the number of bytes consumed */ |
| 350 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | buffer += 1; |
| 352 | ACPI_MOVE_16_TO_16 (&temp16, buffer); |
| 353 | |
| 354 | buffer += 2; |
| 355 | *bytes_consumed = (acpi_size) temp16 + 3; |
| 356 | |
| 357 | output_struct->id = ACPI_RSTYPE_FIXED_MEM32; |
| 358 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 359 | /* Check Byte 3 the Read/Write bit */ |
| 360 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | temp8 = *buffer; |
| 362 | buffer += 1; |
| 363 | output_struct->data.fixed_memory32.read_write_attribute = temp8 & 0x01; |
| 364 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 365 | /* Get range_base_address (Bytes 4-7) */ |
| 366 | |
| 367 | ACPI_MOVE_32_TO_32 (&output_struct->data.fixed_memory32.range_base_address, |
| 368 | buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | buffer += 4; |
| 370 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 371 | /* Get range_length (Bytes 8-11) */ |
| 372 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | ACPI_MOVE_32_TO_32 (&output_struct->data.fixed_memory32.range_length, buffer); |
| 374 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 375 | /* Set the Length parameter */ |
| 376 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | output_struct->length = (u32) struct_size; |
| 378 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 379 | /* Return the final size of the structure */ |
| 380 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | *structure_size = struct_size; |
| 382 | return_ACPI_STATUS (AE_OK); |
| 383 | } |
| 384 | |
| 385 | |
| 386 | /******************************************************************************* |
| 387 | * |
| 388 | * FUNCTION: acpi_rs_memory32_range_stream |
| 389 | * |
| 390 | * PARAMETERS: linked_list - Pointer to the resource linked list |
| 391 | * output_buffer - Pointer to the user's return buffer |
| 392 | * bytes_consumed - Pointer to where the number of bytes |
| 393 | * used in the output_buffer is returned |
| 394 | * |
| 395 | * RETURN: Status |
| 396 | * |
| 397 | * DESCRIPTION: Take the linked list resource structure and fills in the |
| 398 | * the appropriate bytes in a byte stream |
| 399 | * |
| 400 | ******************************************************************************/ |
| 401 | |
| 402 | acpi_status |
| 403 | acpi_rs_memory32_range_stream ( |
| 404 | struct acpi_resource *linked_list, |
| 405 | u8 **output_buffer, |
| 406 | acpi_size *bytes_consumed) |
| 407 | { |
| 408 | u8 *buffer = *output_buffer; |
| 409 | u16 temp16 = 0; |
| 410 | u8 temp8 = 0; |
| 411 | |
| 412 | |
| 413 | ACPI_FUNCTION_TRACE ("rs_memory32_range_stream"); |
| 414 | |
| 415 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 416 | /* The descriptor field is static */ |
| 417 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | *buffer = 0x85; |
| 419 | buffer += 1; |
| 420 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 421 | /* The length field is static */ |
| 422 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | temp16 = 0x11; |
| 424 | |
| 425 | ACPI_MOVE_16_TO_16 (buffer, &temp16); |
| 426 | buffer += 2; |
| 427 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 428 | /* Set the Information Byte */ |
| 429 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | temp8 = (u8) (linked_list->data.memory32.read_write_attribute & 0x01); |
| 431 | *buffer = temp8; |
| 432 | buffer += 1; |
| 433 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 434 | /* Set the Range minimum base address */ |
| 435 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.min_base_address); |
| 437 | buffer += 4; |
| 438 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 439 | /* Set the Range maximum base address */ |
| 440 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.max_base_address); |
| 442 | buffer += 4; |
| 443 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 444 | /* Set the base alignment */ |
| 445 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.alignment); |
| 447 | buffer += 4; |
| 448 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 449 | /* Set the range length */ |
| 450 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.range_length); |
| 452 | buffer += 4; |
| 453 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 454 | /* Return the number of bytes consumed in this operation */ |
| 455 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); |
| 457 | return_ACPI_STATUS (AE_OK); |
| 458 | } |
| 459 | |
| 460 | |
| 461 | /******************************************************************************* |
| 462 | * |
| 463 | * FUNCTION: acpi_rs_fixed_memory32_stream |
| 464 | * |
| 465 | * PARAMETERS: linked_list - Pointer to the resource linked list |
| 466 | * output_buffer - Pointer to the user's return buffer |
| 467 | * bytes_consumed - Pointer to where the number of bytes |
| 468 | * used in the output_buffer is returned |
| 469 | * |
| 470 | * RETURN: Status |
| 471 | * |
| 472 | * DESCRIPTION: Take the linked list resource structure and fills in the |
| 473 | * the appropriate bytes in a byte stream |
| 474 | * |
| 475 | ******************************************************************************/ |
| 476 | |
| 477 | acpi_status |
| 478 | acpi_rs_fixed_memory32_stream ( |
| 479 | struct acpi_resource *linked_list, |
| 480 | u8 **output_buffer, |
| 481 | acpi_size *bytes_consumed) |
| 482 | { |
| 483 | u8 *buffer = *output_buffer; |
| 484 | u16 temp16 = 0; |
| 485 | u8 temp8 = 0; |
| 486 | |
| 487 | |
| 488 | ACPI_FUNCTION_TRACE ("rs_fixed_memory32_stream"); |
| 489 | |
| 490 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 491 | /* The descriptor field is static */ |
| 492 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | *buffer = 0x86; |
| 494 | buffer += 1; |
| 495 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 496 | /* The length field is static */ |
| 497 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | temp16 = 0x09; |
| 499 | |
| 500 | ACPI_MOVE_16_TO_16 (buffer, &temp16); |
| 501 | buffer += 2; |
| 502 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 503 | /* Set the Information Byte */ |
| 504 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | temp8 = (u8) (linked_list->data.fixed_memory32.read_write_attribute & 0x01); |
| 506 | *buffer = temp8; |
| 507 | buffer += 1; |
| 508 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 509 | /* Set the Range base address */ |
| 510 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | ACPI_MOVE_32_TO_32 (buffer, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 512 | &linked_list->data.fixed_memory32.range_base_address); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | buffer += 4; |
| 514 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 515 | /* Set the range length */ |
| 516 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | ACPI_MOVE_32_TO_32 (buffer, |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 518 | &linked_list->data.fixed_memory32.range_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | buffer += 4; |
| 520 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 521 | /* Return the number of bytes consumed in this operation */ |
| 522 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); |
| 524 | return_ACPI_STATUS (AE_OK); |
| 525 | } |
| 526 | |