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-rw-r--r--include/acpi/acobject.h188
1 files changed, 98 insertions, 90 deletions
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index d130cfed8d55..1747d94084d8 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -1,7 +1,7 @@
1 1
2/****************************************************************************** 2/******************************************************************************
3 * 3 *
4 * Name: acobject.h - Definition of union acpi_operand_object (Internal object only) 4 * Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
5 * 5 *
6 *****************************************************************************/ 6 *****************************************************************************/
7 7
@@ -45,10 +45,12 @@
45#ifndef _ACOBJECT_H 45#ifndef _ACOBJECT_H
46#define _ACOBJECT_H 46#define _ACOBJECT_H
47 47
48/* acpisrc:struct_defs -- for acpisrc conversion */
49
48/* 50/*
49 * The union acpi_operand_object is used to pass AML operands from the dispatcher 51 * The union acpi_operand_object is used to pass AML operands from the dispatcher
50 * to the interpreter, and to keep track of the various handlers such as 52 * to the interpreter, and to keep track of the various handlers such as
51 * address space handlers and notify handlers. The object is a constant 53 * address space handlers and notify handlers. The object is a constant
52 * size in order to allow it to be cached and reused. 54 * size in order to allow it to be cached and reused.
53 */ 55 */
54 56
@@ -61,17 +63,25 @@
61/* 63/*
62 * Common area for all objects. 64 * Common area for all objects.
63 * 65 *
64 * data_type is used to differentiate between internal descriptors, and MUST 66 * descriptor_type is used to differentiate between internal descriptors, and
65 * be the first byte in this structure. 67 * must be in the same place across all descriptors
68 *
69 * Note: The descriptor_type and Type fields must appear in the identical
70 * position in both the struct acpi_namespace_node and union acpi_operand_object
71 * structures.
66 */ 72 */
67#define ACPI_OBJECT_COMMON_HEADER /* SIZE/ALIGNMENT: 32 bits, one ptr plus trailing 8-bit flag */\ 73#define ACPI_OBJECT_COMMON_HEADER \
68 u8 descriptor; /* To differentiate various internal objs */\ 74 union acpi_operand_object *next_object; /* Objects linked to parent NS node */\
69 u8 type; /* acpi_object_type */\ 75 u8 descriptor_type; /* To differentiate various internal objs */\
70 u16 reference_count; /* For object deletion management */\ 76 u8 type; /* acpi_object_type */\
71 union acpi_operand_object *next_object; /* Objects linked to parent NS node */\ 77 u16 reference_count; /* For object deletion management */\
72 u8 flags; 78 u8 flags;
73 79 /*
74/* Values for flag byte above */ 80 * Note: There are 3 bytes available here before the
81 * next natural alignment boundary (for both 32/64 cases)
82 */
83
84/* Values for Flag byte above */
75 85
76#define AOPOBJ_AML_CONSTANT 0x01 86#define AOPOBJ_AML_CONSTANT 0x01
77#define AOPOBJ_STATIC_POINTER 0x02 87#define AOPOBJ_STATIC_POINTER 0x02
@@ -79,36 +89,7 @@
79#define AOPOBJ_OBJECT_INITIALIZED 0x08 89#define AOPOBJ_OBJECT_INITIALIZED 0x08
80#define AOPOBJ_SETUP_COMPLETE 0x10 90#define AOPOBJ_SETUP_COMPLETE 0x10
81#define AOPOBJ_SINGLE_DATUM 0x20 91#define AOPOBJ_SINGLE_DATUM 0x20
82 92#define AOPOBJ_INVALID 0x40 /* Used if host OS won't allow an op_region address */
83/*
84 * Common bitfield for the field objects
85 * "Field Datum" -- a datum from the actual field object
86 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
87 */
88#define ACPI_COMMON_FIELD_INFO /* SIZE/ALIGNMENT: 24 bits + three 32-bit values */\
89 u8 field_flags; /* Access, update, and lock bits */\
90 u8 attribute; /* From access_as keyword */\
91 u8 access_byte_width; /* Read/Write size in bytes */\
92 u32 bit_length; /* Length of field in bits */\
93 u32 base_byte_offset; /* Byte offset within containing object */\
94 u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
95 u8 access_bit_width; /* Read/Write size in bits (8-64) */\
96 u32 value; /* Value to store into the Bank or Index register */\
97 struct acpi_namespace_node *node; /* Link back to parent node */
98
99/*
100 * Fields common to both Strings and Buffers
101 */
102#define ACPI_COMMON_BUFFER_INFO \
103 u32 length;
104
105/*
106 * Common fields for objects that support ASL notifications
107 */
108#define ACPI_COMMON_NOTIFY_INFO \
109 union acpi_operand_object *system_notify; /* Handler for system notifies */\
110 union acpi_operand_object *device_notify; /* Handler for driver notifies */\
111 union acpi_operand_object *handler; /* Handler for Address space */
112 93
113/****************************************************************************** 94/******************************************************************************
114 * 95 *
@@ -125,25 +106,31 @@ struct acpi_object_integer {
125 106
126/* 107/*
127 * Note: The String and Buffer object must be identical through the Pointer 108 * Note: The String and Buffer object must be identical through the Pointer
128 * element. There is code that depends on this. 109 * and length elements. There is code that depends on this.
110 *
111 * Fields common to both Strings and Buffers
129 */ 112 */
113#define ACPI_COMMON_BUFFER_INFO(_type) \
114 _type *pointer; \
115 u32 length;
116
130struct acpi_object_string { /* Null terminated, ASCII characters only */ 117struct acpi_object_string { /* Null terminated, ASCII characters only */
131 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO char *pointer; /* String in AML stream or allocated string */ 118 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(char) /* String in AML stream or allocated string */
132}; 119};
133 120
134struct acpi_object_buffer { 121struct acpi_object_buffer {
135 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO u8 * pointer; /* Buffer in AML stream or allocated buffer */ 122 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(u8) /* Buffer in AML stream or allocated buffer */
136 struct acpi_namespace_node *node; /* Link back to parent node */
137 u8 *aml_start;
138 u32 aml_length; 123 u32 aml_length;
124 u8 *aml_start;
125 struct acpi_namespace_node *node; /* Link back to parent node */
139}; 126};
140 127
141struct acpi_object_package { 128struct acpi_object_package {
142 ACPI_OBJECT_COMMON_HEADER u32 count; /* # of elements in package */ 129 ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node; /* Link back to parent node */
143 u32 aml_length;
144 u8 *aml_start;
145 struct acpi_namespace_node *node; /* Link back to parent node */
146 union acpi_operand_object **elements; /* Array of pointers to acpi_objects */ 130 union acpi_operand_object **elements; /* Array of pointers to acpi_objects */
131 u8 *aml_start;
132 u32 aml_length;
133 u32 count; /* # of elements in package */
147}; 134};
148 135
149/****************************************************************************** 136/******************************************************************************
@@ -156,23 +143,6 @@ struct acpi_object_event {
156 ACPI_OBJECT_COMMON_HEADER void *semaphore; 143 ACPI_OBJECT_COMMON_HEADER void *semaphore;
157}; 144};
158 145
159#define ACPI_INFINITE_CONCURRENCY 0xFF
160
161typedef
162acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
163
164struct acpi_object_method {
165 ACPI_OBJECT_COMMON_HEADER u8 method_flags;
166 u8 param_count;
167 u32 aml_length;
168 void *semaphore;
169 u8 *aml_start;
170 ACPI_INTERNAL_METHOD implementation;
171 u8 concurrency;
172 u8 thread_count;
173 acpi_owner_id owner_id;
174};
175
176struct acpi_object_mutex { 146struct acpi_object_mutex {
177 ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */ 147 ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */
178 u16 acquisition_depth; /* Allow multiple Acquires, same thread */ 148 u16 acquisition_depth; /* Allow multiple Acquires, same thread */
@@ -186,11 +156,23 @@ struct acpi_object_mutex {
186 156
187struct acpi_object_region { 157struct acpi_object_region {
188 ACPI_OBJECT_COMMON_HEADER u8 space_id; 158 ACPI_OBJECT_COMMON_HEADER u8 space_id;
189 union acpi_operand_object *handler; /* Handler for region access */
190 struct acpi_namespace_node *node; /* Containing namespace node */ 159 struct acpi_namespace_node *node; /* Containing namespace node */
160 union acpi_operand_object *handler; /* Handler for region access */
191 union acpi_operand_object *next; 161 union acpi_operand_object *next;
192 u32 length;
193 acpi_physical_address address; 162 acpi_physical_address address;
163 u32 length;
164};
165
166struct acpi_object_method {
167 ACPI_OBJECT_COMMON_HEADER u8 method_flags;
168 u8 param_count;
169 u8 concurrency;
170 void *semaphore;
171 u8 *aml_start;
172 ACPI_INTERNAL_METHOD implementation;
173 u32 aml_length;
174 u8 thread_count;
175 acpi_owner_id owner_id;
194}; 176};
195 177
196/****************************************************************************** 178/******************************************************************************
@@ -199,6 +181,14 @@ struct acpi_object_region {
199 * 181 *
200 *****************************************************************************/ 182 *****************************************************************************/
201 183
184/*
185 * Common fields for objects that support ASL notifications
186 */
187#define ACPI_COMMON_NOTIFY_INFO \
188 union acpi_operand_object *system_notify; /* Handler for system notifies */\
189 union acpi_operand_object *device_notify; /* Handler for driver notifies */\
190 union acpi_operand_object *handler; /* Handler for Address space */
191
202struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ 192struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
203ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO}; 193ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
204 194
@@ -213,9 +203,9 @@ struct acpi_object_power_resource {
213}; 203};
214 204
215struct acpi_object_processor { 205struct acpi_object_processor {
216 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO u32 proc_id; 206 ACPI_OBJECT_COMMON_HEADER u8 proc_id;
217 u32 length; 207 u8 length;
218 acpi_io_address address; 208 ACPI_COMMON_NOTIFY_INFO acpi_io_address address;
219}; 209};
220 210
221struct acpi_object_thermal_zone { 211struct acpi_object_thermal_zone {
@@ -227,9 +217,24 @@ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
227 * 217 *
228 *****************************************************************************/ 218 *****************************************************************************/
229 219
220/*
221 * Common bitfield for the field objects
222 * "Field Datum" -- a datum from the actual field object
223 * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
224 */
225#define ACPI_COMMON_FIELD_INFO \
226 u8 field_flags; /* Access, update, and lock bits */\
227 u8 attribute; /* From access_as keyword */\
228 u8 access_byte_width; /* Read/Write size in bytes */\
229 struct acpi_namespace_node *node; /* Link back to parent node */\
230 u32 bit_length; /* Length of field in bits */\
231 u32 base_byte_offset; /* Byte offset within containing object */\
232 u32 value; /* Value to store into the Bank or Index register */\
233 u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
234 u8 access_bit_width; /* Read/Write size in bits (8-64) */
235
230struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ 236struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
231 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing Operation Region object */ 237 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Parent Operation Region object (REGION/BANK fields only) */
232 /* (REGION/BANK fields only) */
233}; 238};
234 239
235struct acpi_object_region_field { 240struct acpi_object_region_field {
@@ -244,7 +249,7 @@ struct acpi_object_bank_field {
244struct acpi_object_index_field { 249struct acpi_object_index_field {
245 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO 250 ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO
246 /* 251 /*
247 * No "region_obj" pointer needed since the Index and Data registers 252 * No "RegionObj" pointer needed since the Index and Data registers
248 * are each field definitions unto themselves. 253 * are each field definitions unto themselves.
249 */ 254 */
250 union acpi_operand_object *index_obj; /* Index register */ 255 union acpi_operand_object *index_obj; /* Index register */
@@ -269,13 +274,9 @@ struct acpi_object_notify_handler {
269 void *context; 274 void *context;
270}; 275};
271 276
272/* Flags for address handler */
273
274#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x1
275
276struct acpi_object_addr_handler { 277struct acpi_object_addr_handler {
277 ACPI_OBJECT_COMMON_HEADER u8 space_id; 278 ACPI_OBJECT_COMMON_HEADER u8 space_id;
278 u16 hflags; 279 u8 handler_flags;
279 acpi_adr_space_handler handler; 280 acpi_adr_space_handler handler;
280 struct acpi_namespace_node *node; /* Parent device */ 281 struct acpi_namespace_node *node; /* Parent device */
281 void *context; 282 void *context;
@@ -284,6 +285,10 @@ struct acpi_object_addr_handler {
284 union acpi_operand_object *next; 285 union acpi_operand_object *next;
285}; 286};
286 287
288/* Flags for address handler (handler_flags) */
289
290#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED 0x01
291
287/****************************************************************************** 292/******************************************************************************
288 * 293 *
289 * Special internal objects 294 * Special internal objects
@@ -297,10 +302,10 @@ struct acpi_object_addr_handler {
297struct acpi_object_reference { 302struct acpi_object_reference {
298 ACPI_OBJECT_COMMON_HEADER u8 target_type; /* Used for index_op */ 303 ACPI_OBJECT_COMMON_HEADER u8 target_type; /* Used for index_op */
299 u16 opcode; 304 u16 opcode;
300 u32 offset; /* Used for arg_op, local_op, and index_op */ 305 void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
301 void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
302 struct acpi_namespace_node *node; 306 struct acpi_namespace_node *node;
303 union acpi_operand_object **where; 307 union acpi_operand_object **where;
308 u32 offset; /* Used for arg_op, local_op, and index_op */
304}; 309};
305 310
306/* 311/*
@@ -311,12 +316,10 @@ struct acpi_object_reference {
311 * Currently: Region and field_unit types 316 * Currently: Region and field_unit types
312 */ 317 */
313struct acpi_object_extra { 318struct acpi_object_extra {
314 ACPI_OBJECT_COMMON_HEADER u8 byte_fill1; 319 ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */
315 u16 word_fill1;
316 u32 aml_length;
317 u8 *aml_start;
318 struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */
319 void *region_context; /* Region-specific data */ 320 void *region_context; /* Region-specific data */
321 u8 *aml_start;
322 u32 aml_length;
320}; 323};
321 324
322/* Additional data that can be attached to namespace nodes */ 325/* Additional data that can be attached to namespace nodes */
@@ -391,8 +394,13 @@ union acpi_operand_object {
391#define ACPI_DESC_TYPE_NAMED 0x0F 394#define ACPI_DESC_TYPE_NAMED 0x0F
392#define ACPI_DESC_TYPE_MAX 0x0F 395#define ACPI_DESC_TYPE_MAX 0x0F
393 396
397struct acpi_common_descriptor {
398 void *common_pointer;
399 u8 descriptor_type; /* To differentiate various internal objs */
400};
401
394union acpi_descriptor { 402union acpi_descriptor {
395 u8 descriptor_id; /* To differentiate various internal objs */ 403 struct acpi_common_descriptor common;
396 union acpi_operand_object object; 404 union acpi_operand_object object;
397 struct acpi_namespace_node node; 405 struct acpi_namespace_node node;
398 union acpi_parse_object op; 406 union acpi_parse_object op;