utcopy.c revision bc7a36ab74e09da7bb63e2477b0740ac992b290e
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************************************************************** 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Module Name: utcopy - Internal to external object translation utilities 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *****************************************************************************/ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 86c9deb7201d96733dcd1b4cc44e99232308db359Bob Moore * Copyright (C) 2000 - 2007, R. Byron Moore 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * All rights reserved. 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Redistribution and use in source and binary forms, with or without 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * modification, are permitted provided that the following conditions 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * are met: 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1. Redistributions of source code must retain the above copyright 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * notice, this list of conditions, and the following disclaimer, 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * without modification. 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2. Redistributions in binary form must reproduce at minimum a disclaimer 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * substantially similar to the "NO WARRANTY" disclaimer below 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ("Disclaimer") and any redistribution must be conditioned upon 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * including a substantially similar Disclaimer requirement for further 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * binary redistribution. 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3. Neither the names of the above-listed copyright holders nor the names 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of any contributors may be used to endorse or promote products derived 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * from this software without specific prior written permission. 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Alternatively, this software may be distributed under the terms of the 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License ("GPL") version 2 as published by the Free 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Software Foundation. 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NO WARRANTY 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * POSSIBILITY OF SUCH DAMAGES. 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <acpi/acpi.h> 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <acpi/amlcode.h> 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _COMPONENT ACPI_UTILITIES 484be44fcd3bf648b782f4460fd06dfae6c42ded4bLen BrownACPI_MODULE_NAME("utcopy") 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5044f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore/* Local prototypes */ 5144f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 524be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, 534be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_object *external_object, 544be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u8 * data_space, acpi_size * buffer_space_used); 5544f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore 5644f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 574be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ielement_to_ielement(u8 object_type, 584be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *source_object, 594be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_generic_state *state, 604be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown void *context); 6144f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore 6244f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 634be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, 644be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u8 * buffer, acpi_size * space_used); 6544f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore 6644f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 674be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_esimple_to_isimple(union acpi_object *user_obj, 684be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object **return_obj); 6944f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore 7044f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 716287ee32952b502c23d54f12895c3895ddbe5013Bob Mooreacpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object, 726287ee32952b502c23d54f12895c3895ddbe5013Bob Moore union acpi_operand_object **internal_object); 736287ee32952b502c23d54f12895c3895ddbe5013Bob Moore 746287ee32952b502c23d54f12895c3895ddbe5013Bob Moorestatic acpi_status 754be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_simple_object(union acpi_operand_object *source_desc, 764be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *dest_desc); 7744f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore 7844f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 794be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ielement_to_eelement(u8 object_type, 804be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *source_object, 814be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_generic_state *state, 824be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown void *context); 8344f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore 8444f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 854be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj, 864be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *dest_obj, 874be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown struct acpi_walk_state *walk_state); 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_isimple_to_esimple 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9344f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * PARAMETERS: internal_object - Source object to be copied 9444f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * external_object - Where to return the copied object 9544f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * data_space - Where object data is returned (such as 9644f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * buffer and string data) 9744f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * buffer_space_used - Length of data_space that was used 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10144f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * DESCRIPTION: This function is called to copy a simple internal object to 10244f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * an external object. 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10444f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * The data_space buffer is assumed to have sufficient space for 10544f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * the object. 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic acpi_status 1104be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object, 1114be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_object *external_object, 1124be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u8 * data_space, acpi_size * buffer_space_used) 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1144be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status = AE_OK; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 116b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_isimple_to_esimple); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *buffer_space_used = 0; 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check for NULL object case (could be an uninitialized 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * package element) 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!internal_object) { 1254be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_OK); 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Always clear the external object */ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1304be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMSET(external_object, 0, sizeof(union acpi_object)); 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * In general, the external object will be the same type as 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the internal object 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1364be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->type = ACPI_GET_OBJECT_TYPE(internal_object); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* However, only a limited number of external types are supported */ 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1404be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown switch (ACPI_GET_OBJECT_TYPE(internal_object)) { 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_STRING: 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1434be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->string.pointer = (char *)data_space; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->string.length = internal_object->string.length; 1454be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown *buffer_space_used = ACPI_ROUND_UP_TO_NATIVE_WORD((acpi_size) 1464be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object-> 1474be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown string. 1484be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown length + 1); 1494be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown 1504be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY((void *)data_space, 1514be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown (void *)internal_object->string.pointer, 1524be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown (acpi_size) internal_object->string.length + 1); 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_BUFFER: 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->buffer.pointer = data_space; 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->buffer.length = internal_object->buffer.length; 1594be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown *buffer_space_used = 1604be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_ROUND_UP_TO_NATIVE_WORD(internal_object->string. 1614be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown length); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1634be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY((void *)data_space, 1644be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown (void *)internal_object->buffer.pointer, 1654be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->buffer.length); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_INTEGER: 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->integer.value = internal_object->integer.value; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_LOCAL_REFERENCE: 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is an object reference. Attempt to dereference it. 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (internal_object->reference.opcode) { 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case AML_INT_NAMEPATH_OP: 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* For namepath, return the object handle ("reference") */ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Use the object type of "Any" to indicate a reference 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to object containing a handle to an ACPI named object. 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->type = ACPI_TYPE_ANY; 1894be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->reference.handle = 1904be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->reference.node; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_PROCESSOR: 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1974be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->processor.proc_id = 1984be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->processor.proc_id; 1994be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->processor.pblk_address = 2004be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->processor.address; 2014be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->processor.pblk_length = 2024be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->processor.length; 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_POWER: 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->power_resource.system_level = 2084be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->power_resource.system_level; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds external_object->power_resource.resource_order = 2114be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->power_resource.resource_order; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * There is no corresponding external object type 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2184be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_SUPPORT); 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2214be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(status); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_ielement_to_eelement 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PARAMETERS: acpi_pkg_callback 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: Copy one package element to another package element 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 23644f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 2374be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ielement_to_eelement(u8 object_type, 2384be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *source_object, 2394be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_generic_state *state, 2404be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown void *context) 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2424be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status = AE_OK; 2434be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown struct acpi_pkg_info *info = (struct acpi_pkg_info *)context; 2444be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_size object_space; 2454be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u32 this_index; 2464be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_object *target_object; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2484be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_FUNCTION_ENTRY(); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2504be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown this_index = state->pkg.index; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds target_object = (union acpi_object *) 2524be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown &((union acpi_object *)(state->pkg.dest_object))->package. 2534be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown elements[this_index]; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (object_type) { 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_COPY_TYPE_SIMPLE: 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is a simple or null object 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2614be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = acpi_ut_copy_isimple_to_esimple(source_object, 2624be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object, 2634be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info->free_space, 2644be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown &object_space); 2654be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown if (ACPI_FAILURE(status)) { 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (status); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_COPY_TYPE_PACKAGE: 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Build the package object 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2754be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object->type = ACPI_TYPE_PACKAGE; 2764be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object->package.count = source_object->package.count; 27744f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore target_object->package.elements = 2784be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_CAST_PTR(union acpi_object, info->free_space); 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Pass the new package object back to the package walk routine 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->pkg.this_target_obj = target_object; 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Save space for the array of objects (Package elements) 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * update the buffer length counter 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2894be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown object_space = ACPI_ROUND_UP_TO_NATIVE_WORD((acpi_size) 2904be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object-> 2914be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown package.count * 2924be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown sizeof(union 2934be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_object)); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (AE_BAD_PARAMETER); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3004be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info->free_space += object_space; 3014be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info->length += object_space; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (status); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_ipackage_to_epackage 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 30944f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * PARAMETERS: internal_object - Pointer to the object we are returning 31044f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * Buffer - Where the object is returned 31144f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * space_used - Where the object length is returned 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: This function is called to place a package object in a user 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * buffer. A package object by definition contains other objects. 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The buffer is assumed to have sufficient space for the object. 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The caller must have verified the buffer length needed using the 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * acpi_ut_get_object_size function before calling this function. 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic acpi_status 3254be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, 3264be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u8 * buffer, acpi_size * space_used) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3284be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_object *external_object; 3294be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status; 3304be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown struct acpi_pkg_info info; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 332b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_epackage); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * First package at head of the buffer 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3374be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object = ACPI_CAST_PTR(union acpi_object, buffer); 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Free space begins right after the first package 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3424be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info.length = ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); 3434be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info.free_space = 3444be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown buffer + ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info.object_space = 0; 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info.num_packages = 1; 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3484be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->type = ACPI_GET_OBJECT_TYPE(internal_object); 3494be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->package.count = internal_object->package.count; 3504be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->package.elements = ACPI_CAST_PTR(union acpi_object, 3514be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info.free_space); 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Leave room for an array of ACPI_OBJECTS in the buffer 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and move the free space past it 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3574be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown info.length += (acpi_size) external_object->package.count * 3584be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info.free_space += external_object->package.count * 3604be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3624be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = acpi_ut_walk_package_tree(internal_object, external_object, 3634be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_copy_ielement_to_eelement, 3644be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown &info); 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *space_used = info.length; 3674be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(status); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_iobject_to_eobject 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 37444f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * PARAMETERS: internal_object - The internal object to be converted 37544f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * buffer_ptr - Where the object is returned 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: This function is called to build an API object to be returned to 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the caller. 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsacpi_status 3854be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object, 3864be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown struct acpi_buffer *ret_buffer) 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3884be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status; 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 390b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_iobject_to_eobject); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3924be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown if (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE) { 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Package object: Copy all subobjects (including 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * nested packages) 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3974be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = acpi_ut_copy_ipackage_to_epackage(internal_object, 3984be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ret_buffer->pointer, 3994be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown &ret_buffer->length); 4004be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown } else { 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Build a simple object (no nested objects) 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4044be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = acpi_ut_copy_isimple_to_esimple(internal_object, 405c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore ACPI_CAST_PTR(union 406c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore acpi_object, 407c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore ret_buffer-> 408c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore pointer), 409c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore ACPI_ADD_PTR(u8, 410c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore ret_buffer-> 411c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore pointer, 412c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore ACPI_ROUND_UP_TO_NATIVE_WORD 413c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore (sizeof 414c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore (union 415c51a4de85de720670f2fbc592a6f8040af72ad87Bob Moore acpi_object))), 4164be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown &ret_buffer->length); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * build simple does not include the object size in the length 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * so we add it in here 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4214be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ret_buffer->length += sizeof(union acpi_object); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4244be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(status); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_esimple_to_isimple 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 43144f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * PARAMETERS: external_object - The external object to be converted 43244f6c01242da4e162f28d8e1216a8c7a91174605Robert Moore * ret_internal_object - Where the internal object is returned 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: This function copies an external object to an internal one. 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NOTE: Pointers can be copied, we don't need to copy data. 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (The pointers have to be valid in our address space no matter 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * what we do with them!) 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 44344f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 4444be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_esimple_to_isimple(union acpi_object *external_object, 4454be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object **ret_internal_object) 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4474be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *internal_object; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 449b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_esimple_to_isimple); 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Simple types supported are: String, Buffer, Integer 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (external_object->type) { 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_STRING: 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_BUFFER: 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_INTEGER: 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4594be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object = acpi_ut_create_internal_object((u8) 4604be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object-> 4614be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown type); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!internal_object) { 4634be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_NO_MEMORY); 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* All other types are not supported */ 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4704be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_SUPPORT); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Must COPY string and buffer contents */ 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (external_object->type) { 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_STRING: 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds internal_object->string.pointer = 4798313524a0d466f451a62709aaedf988d8257b21cBob Moore ACPI_ALLOCATE_ZEROED((acpi_size) external_object->string. 4808313524a0d466f451a62709aaedf988d8257b21cBob Moore length + 1); 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!internal_object->string.pointer) { 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto error_exit; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4854be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY(internal_object->string.pointer, 4864be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->string.pointer, 4874be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->string.length); 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds internal_object->string.length = external_object->string.length; 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_BUFFER: 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds internal_object->buffer.pointer = 4958313524a0d466f451a62709aaedf988d8257b21cBob Moore ACPI_ALLOCATE_ZEROED(external_object->buffer.length); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!internal_object->buffer.pointer) { 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto error_exit; 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5004be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY(internal_object->buffer.pointer, 5014be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->buffer.pointer, 5024be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown external_object->buffer.length); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds internal_object->buffer.length = external_object->buffer.length; 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_INTEGER: 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5094be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object->integer.value = external_object->integer.value; 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Other types can't get here */ 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ret_internal_object = internal_object; 5184be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_OK); 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5204be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown error_exit: 5214be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_remove_reference(internal_object); 5224be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_NO_MEMORY); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_epackage_to_ipackage 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5296287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * PARAMETERS: external_object - The external object to be converted 5306287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * internal_object - Where the internal object is returned 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5346287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * DESCRIPTION: Copy an external package object to an internal package. 5356287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * Handles nested packages. 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic acpi_status 5406287ee32952b502c23d54f12895c3895ddbe5013Bob Mooreacpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object, 5416287ee32952b502c23d54f12895c3895ddbe5013Bob Moore union acpi_operand_object **internal_object) 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5436287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_status status = AE_OK; 5446287ee32952b502c23d54f12895c3895ddbe5013Bob Moore union acpi_operand_object *package_object; 5456287ee32952b502c23d54f12895c3895ddbe5013Bob Moore union acpi_operand_object **package_elements; 5466287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_native_uint i; 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 548b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage); 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5506287ee32952b502c23d54f12895c3895ddbe5013Bob Moore /* Create the package object */ 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5526287ee32952b502c23d54f12895c3895ddbe5013Bob Moore package_object = 5536287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_ut_create_package_object(external_object->package.count); 5546287ee32952b502c23d54f12895c3895ddbe5013Bob Moore if (!package_object) { 5556287ee32952b502c23d54f12895c3895ddbe5013Bob Moore return_ACPI_STATUS(AE_NO_MEMORY); 5566287ee32952b502c23d54f12895c3895ddbe5013Bob Moore } 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5586287ee32952b502c23d54f12895c3895ddbe5013Bob Moore package_elements = package_object->package.elements; 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 5616287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * Recursive implementation. Probably ok, since nested external packages 5626287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * as parameters should be very rare. 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5646287ee32952b502c23d54f12895c3895ddbe5013Bob Moore for (i = 0; i < external_object->package.count; i++) { 5656287ee32952b502c23d54f12895c3895ddbe5013Bob Moore status = 5666287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_ut_copy_eobject_to_iobject(&external_object->package. 5676287ee32952b502c23d54f12895c3895ddbe5013Bob Moore elements[i], 5686287ee32952b502c23d54f12895c3895ddbe5013Bob Moore &package_elements[i]); 5696287ee32952b502c23d54f12895c3895ddbe5013Bob Moore if (ACPI_FAILURE(status)) { 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5716287ee32952b502c23d54f12895c3895ddbe5013Bob Moore /* Truncate package and delete it */ 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5731d18c05825c3f2b8933a7fc7f7528881e98deb04Bob Moore package_object->package.count = (u32) i; 5746287ee32952b502c23d54f12895c3895ddbe5013Bob Moore package_elements[i] = NULL; 5756287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_ut_remove_reference(package_object); 5766287ee32952b502c23d54f12895c3895ddbe5013Bob Moore return_ACPI_STATUS(status); 5776287ee32952b502c23d54f12895c3895ddbe5013Bob Moore } 5786287ee32952b502c23d54f12895c3895ddbe5013Bob Moore } 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5806287ee32952b502c23d54f12895c3895ddbe5013Bob Moore *internal_object = package_object; 5816287ee32952b502c23d54f12895c3895ddbe5013Bob Moore return_ACPI_STATUS(status); 5826287ee32952b502c23d54f12895c3895ddbe5013Bob Moore} 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_eobject_to_iobject 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5886287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * PARAMETERS: external_object - The external object to be converted 5896287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * internal_object - Where the internal object is returned 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5916287ee32952b502c23d54f12895c3895ddbe5013Bob Moore * RETURN: Status - the status of the call 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: Converts an external object to an internal object. 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsacpi_status 5984be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_eobject_to_iobject(union acpi_object *external_object, 5994be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object **internal_object) 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6014be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status; 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 603b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_eobject_to_iobject); 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (external_object->type == ACPI_TYPE_PACKAGE) { 6066287ee32952b502c23d54f12895c3895ddbe5013Bob Moore status = 6076287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_ut_copy_epackage_to_ipackage(external_object, 6086287ee32952b502c23d54f12895c3895ddbe5013Bob Moore internal_object); 6096287ee32952b502c23d54f12895c3895ddbe5013Bob Moore } else { 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Build a simple object (no nested objects) 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6134be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = 6144be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_copy_esimple_to_isimple(external_object, 6154be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown internal_object); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6184be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(status); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_simple_object 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PARAMETERS: source_desc - The internal object to be copied 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dest_desc - New target object 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: Simple copy of one internal object to another. Reference count 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of the destination object is preserved. 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 63544f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 6364be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_simple_object(union acpi_operand_object *source_desc, 6374be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *dest_desc) 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6394be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u16 reference_count; 6404be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *next_object; 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Save fields from destination that we don't want to overwrite */ 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reference_count = dest_desc->common.reference_count; 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds next_object = dest_desc->common.next_object; 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6474be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown /* Copy the entire source object over the destination object */ 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6494be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY((char *)dest_desc, (char *)source_desc, 6504be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown sizeof(union acpi_operand_object)); 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Restore the saved fields */ 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dest_desc->common.reference_count = reference_count; 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dest_desc->common.next_object = next_object; 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6576f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore /* New object is not static, regardless of source */ 6586f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore 6596f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore dest_desc->common.flags &= ~AOPOBJ_STATIC_POINTER; 6606f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Handle the objects with extra data */ 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6634be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown switch (ACPI_GET_OBJECT_TYPE(dest_desc)) { 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_BUFFER: 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Allocate and copy the actual buffer if and only if: 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1) There is a valid buffer pointer 6686f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore * 2) The buffer has a length > 0 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((source_desc->buffer.pointer) && 6714be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown (source_desc->buffer.length)) { 6726f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore dest_desc->buffer.pointer = 6738313524a0d466f451a62709aaedf988d8257b21cBob Moore ACPI_ALLOCATE(source_desc->buffer.length); 6746f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore if (!dest_desc->buffer.pointer) { 6756f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore return (AE_NO_MEMORY); 6766f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore } 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6786f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore /* Copy the actual buffer data */ 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6804be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY(dest_desc->buffer.pointer, 6814be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown source_desc->buffer.pointer, 6824be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown source_desc->buffer.length); 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_STRING: 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Allocate and copy the actual string if and only if: 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1) There is a valid string pointer 6906f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore * (Pointer to a NULL string is allowed) 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6926f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore if (source_desc->string.pointer) { 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dest_desc->string.pointer = 6948313524a0d466f451a62709aaedf988d8257b21cBob Moore ACPI_ALLOCATE((acpi_size) source_desc->string. 6958313524a0d466f451a62709aaedf988d8257b21cBob Moore length + 1); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dest_desc->string.pointer) { 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (AE_NO_MEMORY); 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7006f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore /* Copy the actual string data */ 7016f42ccf2fc50ecee8ea170040627f268430c1648Robert Moore 7024be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_MEMCPY(dest_desc->string.pointer, 7034be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown source_desc->string.pointer, 7044be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown (acpi_size) source_desc->string.length + 1); 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_TYPE_LOCAL_REFERENCE: 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We copied the reference object, so we now must add a reference 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to the object pointed to by the reference 712bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming * 713bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming * DDBHandle reference (from Load/load_table is a special reference, 714bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming * it's Reference.Object is the table index, so does not need to 715bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming * increase the reference count 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 717bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming if (source_desc->reference.opcode == AML_LOAD_OP) { 718bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming break; 719bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming } 720bc7a36ab74e09da7bb63e2477b0740ac992b290eLin Ming 7214be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_add_reference(source_desc->reference.object); 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7246b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov case ACPI_TYPE_REGION: 7256b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov /* 7266b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov * We copied the Region Handler, so we now must add a reference 7276b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov */ 7286b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov if (dest_desc->region.handler) { 7296b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov acpi_ut_add_reference(dest_desc->region.handler); 7306b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov } 7316b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov break; 7326b366e2fe1b68bd9af55caf166eaaf0609ba18a9Fiodor Suietov 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Nothing to do for other simple objects */ 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (AE_OK); 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_ielement_to_ielement 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PARAMETERS: acpi_pkg_callback 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: Copy one package element to another package element 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 75344f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 7544be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ielement_to_ielement(u8 object_type, 7554be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *source_object, 7564be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_generic_state *state, 7574be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown void *context) 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7594be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status = AE_OK; 7604be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown u32 this_index; 7614be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object **this_target_ptr; 7624be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *target_object; 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7644be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown ACPI_FUNCTION_ENTRY(); 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7664be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown this_index = state->pkg.index; 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds this_target_ptr = (union acpi_operand_object **) 7684be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown &state->pkg.dest_object->package.elements[this_index]; 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (object_type) { 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_COPY_TYPE_SIMPLE: 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* A null source object indicates a (legal) null package element */ 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (source_object) { 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is a simple object, just copy it 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7794be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object = 7804be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE 7814be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown (source_object)); 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!target_object) { 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (AE_NO_MEMORY); 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7864be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = 7874be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_copy_simple_object(source_object, 7884be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object); 7894be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown if (ACPI_FAILURE(status)) { 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto error_exit; 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *this_target_ptr = target_object; 7944be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown } else { 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Pass through a null element */ 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *this_target_ptr = NULL; 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ACPI_COPY_TYPE_PACKAGE: 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This object is a package - go down another nesting level 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Create and build the package object 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8074be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown target_object = 8086287ee32952b502c23d54f12895c3895ddbe5013Bob Moore acpi_ut_create_package_object(source_object->package.count); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!target_object) { 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (AE_NO_MEMORY); 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds target_object->common.flags = source_object->common.flags; 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8156287ee32952b502c23d54f12895c3895ddbe5013Bob Moore /* Pass the new package object back to the package walk routine */ 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->pkg.this_target_obj = target_object; 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8196287ee32952b502c23d54f12895c3895ddbe5013Bob Moore /* Store the object pointer in the parent package object */ 8206287ee32952b502c23d54f12895c3895ddbe5013Bob Moore 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *this_target_ptr = target_object; 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (AE_BAD_PARAMETER); 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (status); 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8304be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown error_exit: 8314be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_remove_reference(target_object); 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (status); 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_ipackage_to_ipackage 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PARAMETERS: *source_obj - Pointer to the source package object 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * *dest_obj - Where the internal object is returned 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status - the status of the call 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: This function is called to copy an internal package object 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * into another internal package object. 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 84944f6c01242da4e162f28d8e1216a8c7a91174605Robert Moorestatic acpi_status 8504be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj, 8514be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object *dest_obj, 8524be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown struct acpi_walk_state *walk_state) 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8544be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status = AE_OK; 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 856b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_ipackage); 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8584be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown dest_obj->common.type = ACPI_GET_OBJECT_TYPE(source_obj); 8594be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown dest_obj->common.flags = source_obj->common.flags; 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dest_obj->package.count = source_obj->package.count; 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Create the object array and walk the source package tree 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8658313524a0d466f451a62709aaedf988d8257b21cBob Moore dest_obj->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) 8668313524a0d466f451a62709aaedf988d8257b21cBob Moore source_obj->package. 8678313524a0d466f451a62709aaedf988d8257b21cBob Moore count + 8688313524a0d466f451a62709aaedf988d8257b21cBob Moore 1) * sizeof(void *)); 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dest_obj->package.elements) { 870b8e4d89357fc434618a59c1047cac72641191805Bob Moore ACPI_ERROR((AE_INFO, "Package allocation failure")); 8714be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_NO_MEMORY); 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copy the package element-by-element by walking the package "tree". 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This handles nested packages of arbitrary depth. 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8784be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = acpi_ut_walk_package_tree(source_obj, dest_obj, 8794be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_copy_ielement_to_ielement, 8804be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown walk_state); 8814be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown if (ACPI_FAILURE(status)) { 88252fc0b026e99b5d5d585095148d997d5634bbc25Bob Moore 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* On failure, delete the destination package object */ 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8854be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_remove_reference(dest_obj); 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8884be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(status); 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************* 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FUNCTION: acpi_ut_copy_iobject_to_iobject 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PARAMETERS: walk_state - Current walk state 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * source_desc - The internal object to be copied 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * dest_desc - Where the copied object is returned 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * RETURN: Status 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DESCRIPTION: Copy an internal object to a new internal object 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ******************************************************************************/ 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsacpi_status 9064be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brownacpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc, 9074be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown union acpi_operand_object **dest_desc, 9084be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown struct acpi_walk_state *walk_state) 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9104be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_status status = AE_OK; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 912b229cf92eee616c7cb5ad8cdb35a19b119f00bc8Bob Moore ACPI_FUNCTION_TRACE(ut_copy_iobject_to_iobject); 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Create the top level object */ 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9164be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown *dest_desc = 9174be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE(source_desc)); 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!*dest_desc) { 9194be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(AE_NO_MEMORY); 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Copy the object and possible subobjects */ 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9244be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown if (ACPI_GET_OBJECT_TYPE(source_desc) == ACPI_TYPE_PACKAGE) { 9254be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = 9264be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown acpi_ut_copy_ipackage_to_ipackage(source_desc, *dest_desc, 9274be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown walk_state); 9284be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown } else { 9294be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown status = acpi_ut_copy_simple_object(source_desc, *dest_desc); 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9324be44fcd3bf648b782f4460fd06dfae6c42ded4bLen Brown return_ACPI_STATUS(status); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 934