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The use of the CPU stack in the debug version of the subsystem has been considerably reduced. Previously, a debug structure was declared in every function that used the debug macros. This structure has been removed in favor of declaring the individual elements as parameters to the debug functions. This reduces the cumulative stack use during nested execution of ACPI function calls at the cost of a small increase in the code size of the debug version of the subsystem. With assistance from Alexey Starikovskiy and Len Brown. Added the ACPI_GET_FUNCTION_NAME macro to enable the compiler-dependent headers to define a macro that will return the current function name at runtime (such as __FUNCTION__ or _func_, etc.) The function name is used by the debug trace output. If ACPI_GET_FUNCTION_NAME is not defined in the compiler-dependent header, the function name is saved on the CPU stack (one pointer per function.) This mechanism is used because apparently there exists no standard ANSI-C defined macro that that returns the function name. Alexey Starikovskiy redesigned and reimplemented the "Owner ID" mechanism used to track namespace objects created/deleted by ACPI tables and control method execution. A bitmap is now used to allocate and free the IDs, thus solving the wraparound problem present in the previous implementation. The size of the namespace node descriptor was reduced by 2 bytes as a result. Removed the UINT32_BIT and UINT16_BIT types that were used for the bitfield flag definitions within the headers for the predefined ACPI tables. These have been replaced by UINT8_BIT in order to increase the code portability of the subsystem. If the use of UINT8 remains a problem, we may be forced to eliminate bitfields entirely because of a lack of portability. Alexey Starikovksiy enhanced the performance of acpi_ut_update_object_reference. This is a frequently used function and this improvement increases the performance of the entire subsystem. Alexey Starikovskiy fixed several possible memory leaks and the inverse - premature object deletion. Signed-off-by: Len Brown <len.brown@intel.com>
755 lines
20 KiB
C
755 lines
20 KiB
C
/******************************************************************************
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*
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* Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2005, R. Byron Moore
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef _ACUTILS_H
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#define _ACUTILS_H
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typedef
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acpi_status (*acpi_pkg_callback) (
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u8 object_type,
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union acpi_operand_object *source_object,
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union acpi_generic_state *state,
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void *context);
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struct acpi_pkg_info
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{
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u8 *free_space;
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acpi_size length;
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u32 object_space;
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u32 num_packages;
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};
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#define REF_INCREMENT (u16) 0
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#define REF_DECREMENT (u16) 1
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#define REF_FORCE_DELETE (u16) 2
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/* acpi_ut_dump_buffer */
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#define DB_BYTE_DISPLAY 1
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#define DB_WORD_DISPLAY 2
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#define DB_DWORD_DISPLAY 4
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#define DB_QWORD_DISPLAY 8
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/*
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* utglobal - Global data structures and procedures
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*/
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void
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acpi_ut_init_globals (
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void);
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#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
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char *
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acpi_ut_get_mutex_name (
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u32 mutex_id);
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#endif
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char *
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acpi_ut_get_type_name (
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acpi_object_type type);
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char *
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acpi_ut_get_node_name (
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void *object);
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char *
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acpi_ut_get_descriptor_name (
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void *object);
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char *
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acpi_ut_get_object_type_name (
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union acpi_operand_object *obj_desc);
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char *
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acpi_ut_get_region_name (
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u8 space_id);
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char *
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acpi_ut_get_event_name (
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u32 event_id);
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char
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acpi_ut_hex_to_ascii_char (
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acpi_integer integer,
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u32 position);
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u8
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acpi_ut_valid_object_type (
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acpi_object_type type);
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/*
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* utinit - miscellaneous initialization and shutdown
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*/
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acpi_status
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acpi_ut_hardware_initialize (
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void);
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void
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acpi_ut_subsystem_shutdown (
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void);
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acpi_status
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acpi_ut_validate_fadt (
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void);
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/*
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* utclib - Local implementations of C library functions
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*/
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#ifndef ACPI_USE_SYSTEM_CLIBRARY
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acpi_size
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acpi_ut_strlen (
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const char *string);
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char *
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acpi_ut_strcpy (
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char *dst_string,
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const char *src_string);
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char *
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acpi_ut_strncpy (
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char *dst_string,
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const char *src_string,
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acpi_size count);
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int
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acpi_ut_memcmp (
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const char *buffer1,
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const char *buffer2,
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acpi_size count);
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int
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acpi_ut_strncmp (
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const char *string1,
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const char *string2,
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acpi_size count);
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int
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acpi_ut_strcmp (
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const char *string1,
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const char *string2);
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char *
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acpi_ut_strcat (
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char *dst_string,
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const char *src_string);
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char *
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acpi_ut_strncat (
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char *dst_string,
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const char *src_string,
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acpi_size count);
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u32
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acpi_ut_strtoul (
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const char *string,
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char **terminator,
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u32 base);
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char *
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acpi_ut_strstr (
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char *string1,
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char *string2);
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void *
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acpi_ut_memcpy (
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void *dest,
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const void *src,
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acpi_size count);
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void *
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acpi_ut_memset (
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void *dest,
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acpi_native_uint value,
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acpi_size count);
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int
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acpi_ut_to_upper (
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int c);
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int
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acpi_ut_to_lower (
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int c);
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extern const u8 _acpi_ctype[];
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#define _ACPI_XA 0x00 /* extra alphabetic - not supported */
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#define _ACPI_XS 0x40 /* extra space */
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#define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */
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#define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */
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#define _ACPI_DI 0x04 /* '0'-'9' */
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#define _ACPI_LO 0x02 /* 'a'-'z' */
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#define _ACPI_PU 0x10 /* punctuation */
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#define _ACPI_SP 0x08 /* space */
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#define _ACPI_UP 0x01 /* 'A'-'Z' */
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#define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */
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#define ACPI_IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
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#define ACPI_IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
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#define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
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#define ACPI_IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
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#define ACPI_IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
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#define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
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#define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
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#define ACPI_IS_ASCII(c) ((c) < 0x80)
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#endif /* ACPI_USE_SYSTEM_CLIBRARY */
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/*
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* utcopy - Object construction and conversion interfaces
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*/
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acpi_status
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acpi_ut_build_simple_object(
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union acpi_operand_object *obj,
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union acpi_object *user_obj,
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u8 *data_space,
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u32 *buffer_space_used);
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acpi_status
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acpi_ut_build_package_object (
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union acpi_operand_object *obj,
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u8 *buffer,
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u32 *space_used);
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acpi_status
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acpi_ut_copy_iobject_to_eobject (
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union acpi_operand_object *obj,
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struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_ut_copy_eobject_to_iobject (
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union acpi_object *obj,
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union acpi_operand_object **internal_obj);
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acpi_status
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acpi_ut_copy_isimple_to_isimple (
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union acpi_operand_object *source_obj,
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union acpi_operand_object *dest_obj);
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acpi_status
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acpi_ut_copy_iobject_to_iobject (
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union acpi_operand_object *source_desc,
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union acpi_operand_object **dest_desc,
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struct acpi_walk_state *walk_state);
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/*
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* utcreate - Object creation
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*/
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acpi_status
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acpi_ut_update_object_reference (
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union acpi_operand_object *object,
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u16 action);
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/*
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* utdebug - Debug interfaces
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*/
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void
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acpi_ut_init_stack_ptr_trace (
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void);
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void
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acpi_ut_track_stack_ptr (
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void);
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void
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acpi_ut_trace (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id);
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void
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acpi_ut_trace_ptr (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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void *pointer);
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void
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acpi_ut_trace_u32 (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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u32 integer);
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void
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acpi_ut_trace_str (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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char *string);
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void
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acpi_ut_exit (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id);
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void
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acpi_ut_status_exit (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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acpi_status status);
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void
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acpi_ut_value_exit (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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acpi_integer value);
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void
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acpi_ut_ptr_exit (
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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u8 *ptr);
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void
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acpi_ut_report_info (
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char *module_name,
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u32 line_number,
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u32 component_id);
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void
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acpi_ut_report_error (
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char *module_name,
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u32 line_number,
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u32 component_id);
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void
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acpi_ut_report_warning (
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char *module_name,
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u32 line_number,
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u32 component_id);
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void
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acpi_ut_dump_buffer (
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u8 *buffer,
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u32 count,
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u32 display,
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u32 component_id);
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void ACPI_INTERNAL_VAR_XFACE
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acpi_ut_debug_print (
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u32 requested_debug_level,
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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char *format,
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...) ACPI_PRINTF_LIKE_FUNC;
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void ACPI_INTERNAL_VAR_XFACE
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acpi_ut_debug_print_raw (
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u32 requested_debug_level,
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u32 line_number,
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char *function_name,
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char *module_name,
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u32 component_id,
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char *format,
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...) ACPI_PRINTF_LIKE_FUNC;
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/*
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* utdelete - Object deletion and reference counts
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*/
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void
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acpi_ut_add_reference (
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union acpi_operand_object *object);
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void
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acpi_ut_remove_reference (
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union acpi_operand_object *object);
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void
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acpi_ut_delete_internal_package_object (
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union acpi_operand_object *object);
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void
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acpi_ut_delete_internal_simple_object (
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union acpi_operand_object *object);
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void
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acpi_ut_delete_internal_object_list (
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union acpi_operand_object **obj_list);
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/*
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* uteval - object evaluation
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*/
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acpi_status
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acpi_ut_osi_implementation (
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struct acpi_walk_state *walk_state);
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acpi_status
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acpi_ut_evaluate_object (
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struct acpi_namespace_node *prefix_node,
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char *path,
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u32 expected_return_btypes,
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union acpi_operand_object **return_desc);
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acpi_status
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acpi_ut_evaluate_numeric_object (
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char *object_name,
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struct acpi_namespace_node *device_node,
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acpi_integer *address);
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acpi_status
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acpi_ut_execute_HID (
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struct acpi_namespace_node *device_node,
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struct acpi_device_id *hid);
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acpi_status
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acpi_ut_execute_CID (
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struct acpi_namespace_node *device_node,
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struct acpi_compatible_id_list **return_cid_list);
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acpi_status
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acpi_ut_execute_STA (
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struct acpi_namespace_node *device_node,
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u32 *status_flags);
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acpi_status
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acpi_ut_execute_UID (
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struct acpi_namespace_node *device_node,
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struct acpi_device_id *uid);
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acpi_status
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acpi_ut_execute_sxds (
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struct acpi_namespace_node *device_node,
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u8 *highest);
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/*
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* utobject - internal object create/delete/cache routines
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*/
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union acpi_operand_object *
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acpi_ut_create_internal_object_dbg (
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char *module_name,
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u32 line_number,
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u32 component_id,
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acpi_object_type type);
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void *
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acpi_ut_allocate_object_desc_dbg (
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char *module_name,
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u32 line_number,
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u32 component_id);
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#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
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#define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
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void
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acpi_ut_delete_object_desc (
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union acpi_operand_object *object);
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u8
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acpi_ut_valid_internal_object (
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void *object);
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union acpi_operand_object *
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acpi_ut_create_buffer_object (
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acpi_size buffer_size);
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union acpi_operand_object *
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acpi_ut_create_string_object (
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acpi_size string_size);
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acpi_status
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acpi_ut_get_object_size(
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union acpi_operand_object *obj,
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acpi_size *obj_length);
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/*
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* utstate - Generic state creation/cache routines
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*/
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void
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acpi_ut_push_generic_state (
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union acpi_generic_state **list_head,
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union acpi_generic_state *state);
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union acpi_generic_state *
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acpi_ut_pop_generic_state (
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union acpi_generic_state **list_head);
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union acpi_generic_state *
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acpi_ut_create_generic_state (
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void);
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struct acpi_thread_state *
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acpi_ut_create_thread_state (
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void);
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union acpi_generic_state *
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acpi_ut_create_update_state (
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union acpi_operand_object *object,
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u16 action);
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union acpi_generic_state *
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acpi_ut_create_pkg_state (
|
|
void *internal_object,
|
|
void *external_object,
|
|
u16 index);
|
|
|
|
acpi_status
|
|
acpi_ut_create_update_state_and_push (
|
|
union acpi_operand_object *object,
|
|
u16 action,
|
|
union acpi_generic_state **state_list);
|
|
|
|
#ifdef ACPI_FUTURE_USAGE
|
|
acpi_status
|
|
acpi_ut_create_pkg_state_and_push (
|
|
void *internal_object,
|
|
void *external_object,
|
|
u16 index,
|
|
union acpi_generic_state **state_list);
|
|
#endif /* ACPI_FUTURE_USAGE */
|
|
|
|
union acpi_generic_state *
|
|
acpi_ut_create_control_state (
|
|
void);
|
|
|
|
void
|
|
acpi_ut_delete_generic_state (
|
|
union acpi_generic_state *state);
|
|
|
|
|
|
/*
|
|
* utmath
|
|
*/
|
|
acpi_status
|
|
acpi_ut_divide (
|
|
acpi_integer in_dividend,
|
|
acpi_integer in_divisor,
|
|
acpi_integer *out_quotient,
|
|
acpi_integer *out_remainder);
|
|
|
|
acpi_status
|
|
acpi_ut_short_divide (
|
|
acpi_integer in_dividend,
|
|
u32 divisor,
|
|
acpi_integer *out_quotient,
|
|
u32 *out_remainder);
|
|
|
|
/*
|
|
* utmisc
|
|
*/
|
|
acpi_status
|
|
acpi_ut_allocate_owner_id (
|
|
acpi_owner_id *owner_id);
|
|
|
|
acpi_status
|
|
acpi_ut_release_owner_id (
|
|
acpi_owner_id owner_id);
|
|
|
|
acpi_status
|
|
acpi_ut_walk_package_tree (
|
|
union acpi_operand_object *source_object,
|
|
void *target_object,
|
|
acpi_pkg_callback walk_callback,
|
|
void *context);
|
|
|
|
char *
|
|
acpi_ut_strupr (
|
|
char *src_string);
|
|
|
|
void
|
|
acpi_ut_print_string (
|
|
char *string,
|
|
u8 max_length);
|
|
|
|
u8
|
|
acpi_ut_valid_acpi_name (
|
|
u32 name);
|
|
|
|
u8
|
|
acpi_ut_valid_acpi_character (
|
|
char character);
|
|
|
|
acpi_status
|
|
acpi_ut_strtoul64 (
|
|
char *string,
|
|
u32 base,
|
|
acpi_integer *ret_integer);
|
|
|
|
/* Values for Base above (16=Hex, 10=Decimal) */
|
|
|
|
#define ACPI_ANY_BASE 0
|
|
|
|
u8 *
|
|
acpi_ut_get_resource_end_tag (
|
|
union acpi_operand_object *obj_desc);
|
|
|
|
u8
|
|
acpi_ut_generate_checksum (
|
|
u8 *buffer,
|
|
u32 length);
|
|
|
|
u32
|
|
acpi_ut_dword_byte_swap (
|
|
u32 value);
|
|
|
|
void
|
|
acpi_ut_set_integer_width (
|
|
u8 revision);
|
|
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
void
|
|
acpi_ut_display_init_pathname (
|
|
u8 type,
|
|
struct acpi_namespace_node *obj_handle,
|
|
char *path);
|
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
* utmutex - mutex support
|
|
*/
|
|
acpi_status
|
|
acpi_ut_mutex_initialize (
|
|
void);
|
|
|
|
void
|
|
acpi_ut_mutex_terminate (
|
|
void);
|
|
|
|
acpi_status
|
|
acpi_ut_acquire_mutex (
|
|
acpi_mutex_handle mutex_id);
|
|
|
|
acpi_status
|
|
acpi_ut_release_mutex (
|
|
acpi_mutex_handle mutex_id);
|
|
|
|
|
|
/*
|
|
* utalloc - memory allocation and object caching
|
|
*/
|
|
acpi_status
|
|
acpi_ut_create_caches (
|
|
void);
|
|
|
|
acpi_status
|
|
acpi_ut_delete_caches (
|
|
void);
|
|
|
|
acpi_status
|
|
acpi_ut_validate_buffer (
|
|
struct acpi_buffer *buffer);
|
|
|
|
acpi_status
|
|
acpi_ut_initialize_buffer (
|
|
struct acpi_buffer *buffer,
|
|
acpi_size required_length);
|
|
|
|
void *
|
|
acpi_ut_allocate (
|
|
acpi_size size,
|
|
u32 component,
|
|
char *module,
|
|
u32 line);
|
|
|
|
void *
|
|
acpi_ut_callocate (
|
|
acpi_size size,
|
|
u32 component,
|
|
char *module,
|
|
u32 line);
|
|
|
|
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
|
|
void *
|
|
acpi_ut_allocate_and_track (
|
|
acpi_size size,
|
|
u32 component,
|
|
char *module,
|
|
u32 line);
|
|
|
|
void *
|
|
acpi_ut_callocate_and_track (
|
|
acpi_size size,
|
|
u32 component,
|
|
char *module,
|
|
u32 line);
|
|
|
|
void
|
|
acpi_ut_free_and_track (
|
|
void *address,
|
|
u32 component,
|
|
char *module,
|
|
u32 line);
|
|
|
|
#ifdef ACPI_FUTURE_USAGE
|
|
void
|
|
acpi_ut_dump_allocation_info (
|
|
void);
|
|
#endif /* ACPI_FUTURE_USAGE */
|
|
|
|
void
|
|
acpi_ut_dump_allocations (
|
|
u32 component,
|
|
char *module);
|
|
#endif
|
|
|
|
#endif /* _ACUTILS_H */
|