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android_kernel_motorola_sm6225/include/acpi/acutils.h
Bob Moore b8e4d89357 [ACPI] ACPICA 20060127 
Implemented support in the Resource Manager to allow
unresolved namestring references within resource package
objects for the _PRT method. This support is in addition
to the previously implemented unresolved reference
support within the AML parser. If the interpreter slack
mode is enabled (true on Linux unless acpi=strict),
these unresolved references will be passed through
to the caller as a NULL package entry.
http://bugzilla.kernel.org/show_bug.cgi?id=5741

Implemented and deployed new macros and functions for
error and warning messages across the subsystem. These
macros are simpler and generate less code than their
predecessors. The new macros ACPI_ERROR, ACPI_EXCEPTION,
ACPI_WARNING, and ACPI_INFO replace the ACPI_REPORT_*
macros.

Implemented the acpi_cpu_flags type to simplify host OS
integration of the Acquire/Release Lock OSL interfaces.
Suggested by Steven Rostedt and Andrew Morton.

Fixed a problem where Alias ASL operators are sometimes
not correctly resolved. causing AE_AML_INTERNAL
http://bugzilla.kernel.org/show_bug.cgi?id=5189
http://bugzilla.kernel.org/show_bug.cgi?id=5674

Fixed several problems with the implementation of the
ConcatenateResTemplate ASL operator. As per the ACPI
specification, zero length buffers are now treated as a
single EndTag. One-length buffers always cause a fatal
exception. Non-zero length buffers that do not end with
a full 2-byte EndTag cause a fatal exception.

Fixed a possible structure overwrite in the
AcpiGetObjectInfo external interface. (With assistance
from Thomas Renninger)

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2006-01-31 03:25:09 -05:00

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/******************************************************************************
*
* Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#ifndef _ACUTILS_H
#define _ACUTILS_H
extern const u8 acpi_gbl_resource_aml_sizes[];
/* Strings used by the disassembler and debugger resource dump routines */
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
extern const char *acpi_gbl_BMdecode[2];
extern const char *acpi_gbl_config_decode[4];
extern const char *acpi_gbl_consume_decode[2];
extern const char *acpi_gbl_DECdecode[2];
extern const char *acpi_gbl_HEdecode[2];
extern const char *acpi_gbl_io_decode[2];
extern const char *acpi_gbl_LLdecode[2];
extern const char *acpi_gbl_max_decode[2];
extern const char *acpi_gbl_MEMdecode[4];
extern const char *acpi_gbl_min_decode[2];
extern const char *acpi_gbl_MTPdecode[4];
extern const char *acpi_gbl_RNGdecode[4];
extern const char *acpi_gbl_RWdecode[2];
extern const char *acpi_gbl_SHRdecode[2];
extern const char *acpi_gbl_SIZdecode[4];
extern const char *acpi_gbl_TRSdecode[2];
extern const char *acpi_gbl_TTPdecode[2];
extern const char *acpi_gbl_TYPdecode[4];
#endif
/* Types for Resource descriptor entries */
#define ACPI_INVALID_RESOURCE 0
#define ACPI_FIXED_LENGTH 1
#define ACPI_VARIABLE_LENGTH 2
#define ACPI_SMALL_VARIABLE_LENGTH 3
typedef
acpi_status(*acpi_pkg_callback) (u8 object_type,
union acpi_operand_object * source_object,
union acpi_generic_state * state,
void *context);
struct acpi_pkg_info {
u8 *free_space;
acpi_size length;
u32 object_space;
u32 num_packages;
};
#define REF_INCREMENT (u16) 0
#define REF_DECREMENT (u16) 1
#define REF_FORCE_DELETE (u16) 2
/* acpi_ut_dump_buffer */
#define DB_BYTE_DISPLAY 1
#define DB_WORD_DISPLAY 2
#define DB_DWORD_DISPLAY 4
#define DB_QWORD_DISPLAY 8
/*
* utglobal - Global data structures and procedures
*/
void acpi_ut_init_globals(void);
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
char *acpi_ut_get_mutex_name(u32 mutex_id);
#endif
char *acpi_ut_get_type_name(acpi_object_type type);
char *acpi_ut_get_node_name(void *object);
char *acpi_ut_get_descriptor_name(void *object);
char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
char *acpi_ut_get_region_name(u8 space_id);
char *acpi_ut_get_event_name(u32 event_id);
char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position);
u8 acpi_ut_valid_object_type(acpi_object_type type);
/*
* utinit - miscellaneous initialization and shutdown
*/
acpi_status acpi_ut_hardware_initialize(void);
void acpi_ut_subsystem_shutdown(void);
acpi_status acpi_ut_validate_fadt(void);
/*
* utclib - Local implementations of C library functions
*/
#ifndef ACPI_USE_SYSTEM_CLIBRARY
acpi_size acpi_ut_strlen(const char *string);
char *acpi_ut_strcpy(char *dst_string, const char *src_string);
char *acpi_ut_strncpy(char *dst_string,
const char *src_string, acpi_size count);
int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
int acpi_ut_strcmp(const char *string1, const char *string2);
char *acpi_ut_strcat(char *dst_string, const char *src_string);
char *acpi_ut_strncat(char *dst_string,
const char *src_string, acpi_size count);
u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
char *acpi_ut_strstr(char *string1, char *string2);
void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
void *acpi_ut_memset(void *dest, acpi_native_uint value, acpi_size count);
int acpi_ut_to_upper(int c);
int acpi_ut_to_lower(int c);
extern const u8 _acpi_ctype[];
#define _ACPI_XA 0x00 /* extra alphabetic - not supported */
#define _ACPI_XS 0x40 /* extra space */
#define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */
#define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */
#define _ACPI_DI 0x04 /* '0'-'9' */
#define _ACPI_LO 0x02 /* 'a'-'z' */
#define _ACPI_PU 0x10 /* punctuation */
#define _ACPI_SP 0x08 /* space */
#define _ACPI_UP 0x01 /* 'A'-'Z' */
#define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */
#define ACPI_IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
#define ACPI_IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
#define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
#define ACPI_IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
#define ACPI_IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
#define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
#define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
#endif /* ACPI_USE_SYSTEM_CLIBRARY */
/*
* utcopy - Object construction and conversion interfaces
*/
acpi_status
acpi_ut_build_simple_object(union acpi_operand_object *obj,
union acpi_object *user_obj,
u8 * data_space, u32 * buffer_space_used);
acpi_status
acpi_ut_build_package_object(union acpi_operand_object *obj,
u8 * buffer, u32 * space_used);
acpi_status
acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
struct acpi_buffer *ret_buffer);
acpi_status
acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
union acpi_operand_object **internal_obj);
acpi_status
acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
union acpi_operand_object *dest_obj);
acpi_status
acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
union acpi_operand_object **dest_desc,
struct acpi_walk_state *walk_state);
/*
* utcreate - Object creation
*/
acpi_status
acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
/*
* utdebug - Debug interfaces
*/
void acpi_ut_init_stack_ptr_trace(void);
void acpi_ut_track_stack_ptr(void);
void
acpi_ut_trace(u32 line_number,
const char *function_name, char *module_name, u32 component_id);
void
acpi_ut_trace_ptr(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, void *pointer);
void
acpi_ut_trace_u32(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, u32 integer);
void
acpi_ut_trace_str(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, char *string);
void
acpi_ut_exit(u32 line_number,
const char *function_name, char *module_name, u32 component_id);
void
acpi_ut_status_exit(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, acpi_status status);
void
acpi_ut_value_exit(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, acpi_integer value);
void
acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, u8 * ptr);
void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
void acpi_ut_report_error(char *module_name, u32 line_number);
void acpi_ut_report_info(char *module_name, u32 line_number);
void acpi_ut_report_warning(char *module_name, u32 line_number);
/* Error and message reporting interfaces */
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print(u32 requested_debug_level,
u32 line_number,
const char *function_name,
char *module_name,
u32 component_id, char *format, ...) ACPI_PRINTF_LIKE(6);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print_raw(u32 requested_debug_level,
u32 line_number,
const char *function_name,
char *module_name,
u32 component_id,
char *format, ...) ACPI_PRINTF_LIKE(6);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_error(char *module_name,
u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_exception(char *module_name,
u32 line_number,
acpi_status status, char *format, ...) ACPI_PRINTF_LIKE(4);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_warning(char *module_name,
u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_info(char *module_name,
u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
/*
* utdelete - Object deletion and reference counts
*/
void acpi_ut_add_reference(union acpi_operand_object *object);
void acpi_ut_remove_reference(union acpi_operand_object *object);
void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
/*
* uteval - object evaluation
*/
acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
acpi_status
acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
char *path,
u32 expected_return_btypes,
union acpi_operand_object **return_desc);
acpi_status
acpi_ut_evaluate_numeric_object(char *object_name,
struct acpi_namespace_node *device_node,
acpi_integer * address);
acpi_status
acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
struct acpi_device_id *hid);
acpi_status
acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
struct acpi_compatible_id_list **return_cid_list);
acpi_status
acpi_ut_execute_STA(struct acpi_namespace_node *device_node,
u32 * status_flags);
acpi_status
acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
struct acpi_device_id *uid);
acpi_status
acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
/*
* utobject - internal object create/delete/cache routines
*/
union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
u32 line_number,
u32 component_id,
acpi_object_type
type);
void *acpi_ut_allocate_object_desc_dbg(char *module_name,
u32 line_number, u32 component_id);
#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
#define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
void acpi_ut_delete_object_desc(union acpi_operand_object *object);
u8 acpi_ut_valid_internal_object(void *object);
union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
acpi_status
acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
/*
* utstate - Generic state creation/cache routines
*/
void
acpi_ut_push_generic_state(union acpi_generic_state **list_head,
union acpi_generic_state *state);
union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
**list_head);
union acpi_generic_state *acpi_ut_create_generic_state(void);
struct acpi_thread_state *acpi_ut_create_thread_state(void);
union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
*object, u16 action);
union acpi_generic_state *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);
void 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);
void 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
acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
u32 acpi_ut_get_descriptor_length(void *aml);
u16 acpi_ut_get_resource_length(void *aml);
u8 acpi_ut_get_resource_header_length(void *aml);
u8 acpi_ut_get_resource_type(void *aml);
acpi_status
acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
u8 ** end_tag);
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 */
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