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-rw-r--r--include/acpi/acutils.h875
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diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
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+/******************************************************************************
+ *
+ * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, 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
+
+
+typedef
+acpi_status (*acpi_pkg_callback) (
+ u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context);
+
+acpi_status
+acpi_ut_walk_package_tree (
+ union acpi_operand_object *source_object,
+ void *target_object,
+ acpi_pkg_callback walk_callback,
+ 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
+
+
+/* Global initialization interfaces */
+
+void
+acpi_ut_init_globals (
+ void);
+
+void
+acpi_ut_terminate (
+ void);
+
+
+/*
+ * ut_init - miscellaneous initialization and shutdown
+ */
+
+acpi_status
+acpi_ut_hardware_initialize (
+ void);
+
+void
+acpi_ut_subsystem_shutdown (
+ void);
+
+acpi_status
+acpi_ut_validate_fadt (
+ void);
+
+/*
+ * ut_global - Global data structures and procedures
+ */
+
+#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);
+
+acpi_owner_id
+acpi_ut_allocate_owner_id (
+ u32 id_type);
+
+
+/*
+ * ut_clib - 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))
+#define ACPI_IS_ASCII(c) ((c) < 0x80)
+
+#endif /* ACPI_USE_SYSTEM_CLIBRARY */
+
+/*
+ * ut_copy - 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_ielement_to_eelement (
+ u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context);
+
+acpi_status
+acpi_ut_copy_ielement_to_ielement (
+ u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context);
+
+acpi_status
+acpi_ut_copy_iobject_to_eobject (
+ union acpi_operand_object *obj,
+ struct acpi_buffer *ret_buffer);
+
+acpi_status
+acpi_ut_copy_esimple_to_isimple(
+ union acpi_object *user_obj,
+ union acpi_operand_object **return_obj);
+
+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_ipackage_to_ipackage (
+ union acpi_operand_object *source_obj,
+ union acpi_operand_object *dest_obj,
+ struct acpi_walk_state *walk_state);
+
+acpi_status
+acpi_ut_copy_simple_object (
+ union acpi_operand_object *source_desc,
+ union acpi_operand_object *dest_desc);
+
+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);
+
+
+/*
+ * ut_create - Object creation
+ */
+
+acpi_status
+acpi_ut_update_object_reference (
+ union acpi_operand_object *object,
+ u16 action);
+
+
+/*
+ * ut_debug - Debug interfaces
+ */
+
+void
+acpi_ut_init_stack_ptr_trace (
+ void);
+
+void
+acpi_ut_track_stack_ptr (
+ void);
+
+void
+acpi_ut_trace (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info);
+
+void
+acpi_ut_trace_ptr (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ void *pointer);
+
+void
+acpi_ut_trace_u32 (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ u32 integer);
+
+void
+acpi_ut_trace_str (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ char *string);
+
+void
+acpi_ut_exit (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info);
+
+void
+acpi_ut_status_exit (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ acpi_status status);
+
+void
+acpi_ut_value_exit (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ acpi_integer value);
+
+void
+acpi_ut_ptr_exit (
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ u8 *ptr);
+
+void
+acpi_ut_report_info (
+ char *module_name,
+ u32 line_number,
+ u32 component_id);
+
+void
+acpi_ut_report_error (
+ char *module_name,
+ u32 line_number,
+ u32 component_id);
+
+void
+acpi_ut_report_warning (
+ char *module_name,
+ u32 line_number,
+ u32 component_id);
+
+void
+acpi_ut_dump_buffer (
+ u8 *buffer,
+ u32 count,
+ u32 display,
+ u32 component_id);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_debug_print (
+ u32 requested_debug_level,
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ char *format,
+ ...) ACPI_PRINTF_LIKE_FUNC;
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_debug_print_raw (
+ u32 requested_debug_level,
+ u32 line_number,
+ struct acpi_debug_print_info *dbg_info,
+ char *format,
+ ...) ACPI_PRINTF_LIKE_FUNC;
+
+
+/*
+ * ut_delete - Object deletion
+ */
+
+void
+acpi_ut_delete_internal_obj (
+ 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);
+
+
+/*
+ * ut_eval - object evaluation
+ */
+
+/* Method name strings */
+
+#define METHOD_NAME__HID "_HID"
+#define METHOD_NAME__CID "_CID"
+#define METHOD_NAME__UID "_UID"
+#define METHOD_NAME__ADR "_ADR"
+#define METHOD_NAME__STA "_STA"
+#define METHOD_NAME__REG "_REG"
+#define METHOD_NAME__SEG "_SEG"
+#define METHOD_NAME__BBN "_BBN"
+#define METHOD_NAME__PRT "_PRT"
+#define METHOD_NAME__CRS "_CRS"
+#define METHOD_NAME__PRS "_PRS"
+#define METHOD_NAME__PRW "_PRW"
+
+
+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);
+
+/*
+ * ut_mutex - mutual exclusion interfaces
+ */
+
+acpi_status
+acpi_ut_mutex_initialize (
+ void);
+
+void
+acpi_ut_mutex_terminate (
+ void);
+
+acpi_status
+acpi_ut_create_mutex (
+ acpi_mutex_handle mutex_id);
+
+acpi_status
+acpi_ut_delete_mutex (
+ acpi_mutex_handle mutex_id);
+
+acpi_status
+acpi_ut_acquire_mutex (
+ acpi_mutex_handle mutex_id);
+
+acpi_status
+acpi_ut_release_mutex (
+ acpi_mutex_handle mutex_id);
+
+
+/*
+ * ut_object - 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 (_THIS_MODULE,__LINE__,_COMPONENT,t)
+#define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_THIS_MODULE,__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);
+
+
+/*
+ * ut_ref_cnt - Object reference count management
+ */
+
+void
+acpi_ut_add_reference (
+ union acpi_operand_object *object);
+
+void
+acpi_ut_remove_reference (
+ union acpi_operand_object *object);
+
+/*
+ * ut_size - Object size routines
+ */
+
+acpi_status
+acpi_ut_get_simple_object_size (
+ union acpi_operand_object *obj,
+ acpi_size *obj_length);
+
+acpi_status
+acpi_ut_get_package_object_size (
+ union acpi_operand_object *obj,
+ acpi_size *obj_length);
+
+acpi_status
+acpi_ut_get_object_size(
+ union acpi_operand_object *obj,
+ acpi_size *obj_length);
+
+acpi_status
+acpi_ut_get_element_length (
+ u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state,
+ void *context);
+
+
+/*
+ * ut_state - 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
+
+union acpi_generic_state *
+acpi_ut_create_control_state (
+ void);
+
+void
+acpi_ut_delete_generic_state (
+ union acpi_generic_state *state);
+
+#ifdef ACPI_ENABLE_OBJECT_CACHE
+void
+acpi_ut_delete_generic_state_cache (
+ void);
+
+void
+acpi_ut_delete_object_cache (
+ void);
+#endif
+
+/*
+ * utmisc
+ */
+
+void
+acpi_ut_print_string (
+ char *string,
+ u8 max_length);
+
+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);
+
+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
+
+#ifdef ACPI_FUTURE_USAGE
+char *
+acpi_ut_strupr (
+ char *src_string);
+#endif
+
+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
+
+
+/*
+ * Utalloc - memory allocation and object caching
+ */
+
+void *
+acpi_ut_acquire_from_cache (
+ u32 list_id);
+
+void
+acpi_ut_release_to_cache (
+ u32 list_id,
+ void *object);
+
+#ifdef ACPI_ENABLE_OBJECT_CACHE
+void
+acpi_ut_delete_generic_cache (
+ u32 list_id);
+#endif
+
+acpi_status
+acpi_ut_validate_buffer (
+ struct acpi_buffer *buffer);
+
+acpi_status
+acpi_ut_initialize_buffer (
+ struct acpi_buffer *buffer,
+ acpi_size required_length);
+
+
+/* Memory allocation functions */
+
+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);
+
+struct acpi_debug_mem_block *
+acpi_ut_find_allocation (
+ u32 list_id,
+ void *allocation);
+
+acpi_status
+acpi_ut_track_allocation (
+ u32 list_id,
+ struct acpi_debug_mem_block *address,
+ acpi_size size,
+ u8 alloc_type,
+ u32 component,
+ char *module,
+ u32 line);
+
+acpi_status
+acpi_ut_remove_allocation (
+ u32 list_id,
+ struct acpi_debug_mem_block *address,
+ u32 component,
+ char *module,
+ u32 line);
+
+#ifdef ACPI_FUTURE_USAGE
+void
+acpi_ut_dump_allocation_info (
+ void);
+#endif
+
+void
+acpi_ut_dump_allocations (
+ u32 component,
+ char *module);
+#endif
+
+
+#endif /* _ACUTILS_H */