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[mirror_edk2.git] / MdeModulePkg / Universal / Acpi / AcpiTableDxe / AcpiSdt.h
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1/** @file\r
2 ACPI Sdt Protocol Driver\r
3\r
d1102dba 4 Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved. <BR>\r
9d510e61 5 SPDX-License-Identifier: BSD-2-Clause-Patent\r
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6\r
7**/\r
8\r
9#ifndef _ACPI_SDT_H_\r
10#define _ACPI_SDT_H_\r
11\r
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12//\r
13// Privacy data structure\r
14//\r
15\r
16//\r
17// ACPI Notify Linked List Signature.\r
18//\r
1436aea4 19#define EFI_ACPI_NOTIFY_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'N', 'L')\r
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20\r
21//\r
22// ACPI Notify List Entry definition.\r
23//\r
24// Signature must be set to EFI_ACPI_NOTIFY_LIST_SIGNATURE\r
25// Link is the linked list data.\r
26// Notification is the callback function.\r
27//\r
28typedef struct {\r
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29 UINT32 Signature;\r
30 LIST_ENTRY Link;\r
31 EFI_ACPI_NOTIFICATION_FN Notification;\r
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32} EFI_ACPI_NOTIFY_LIST;\r
33\r
34//\r
35// Containment record for ACPI Notify linked list.\r
36//\r
37#define EFI_ACPI_NOTIFY_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_NOTIFY_LIST, Link, EFI_ACPI_NOTIFY_LIST_SIGNATURE)\r
38\r
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39typedef struct _AML_BYTE_ENCODING AML_BYTE_ENCODING;\r
40typedef struct _EFI_AML_NODE_LIST EFI_AML_NODE_LIST;\r
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41\r
42//\r
43// AML Node Linked List Signature.\r
44//\r
1436aea4 45#define EFI_AML_NODE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'M', 'L')\r
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46\r
47//\r
48// AML Node Linked List Entry definition.\r
49//\r
50// Signature must be set to EFI_AML_NODE_LIST_SIGNATURE\r
51// Link is the linked list data.\r
52// Name is the ACPI node name.\r
53// This is listed for PATH finding.\r
54// Buffer is the ACPI node buffer pointer, the first/second bytes are opcode.\r
55// This buffer should not be freed.\r
56// Size is the total size of this ACPI node buffer.\r
57// Children is the children linked list of this node.\r
58//\r
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59\r
60struct _EFI_AML_NODE_LIST {\r
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61 UINT32 Signature;\r
62 UINT8 Name[AML_NAME_SEG_SIZE];\r
63 UINT8 *Buffer;\r
64 UINTN Size;\r
65 LIST_ENTRY Link;\r
66 LIST_ENTRY Children;\r
67 EFI_AML_NODE_LIST *Parent;\r
68 AML_BYTE_ENCODING *AmlByteEncoding;\r
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69};\r
70\r
71//\r
72// Containment record for AML Node linked list.\r
73//\r
74#define EFI_AML_NODE_LIST_FROM_LINK(_link) CR (_link, EFI_AML_NODE_LIST, Link, EFI_AML_NODE_LIST_SIGNATURE)\r
75\r
76//\r
77// AML Handle Signature.\r
78//\r
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79#define EFI_AML_HANDLE_SIGNATURE SIGNATURE_32 ('E', 'A', 'H', 'S')\r
80#define EFI_AML_ROOT_HANDLE_SIGNATURE SIGNATURE_32 ('E', 'A', 'R', 'H')\r
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81\r
82//\r
83// AML Handle Entry definition.\r
84//\r
85// Signature must be set to EFI_AML_HANDLE_SIGNATURE or EFI_AML_ROOT_HANDLE_SIGNATURE\r
86// Buffer is the ACPI node buffer pointer, the first/second bytes are opcode.\r
87// This buffer should not be freed.\r
88// Size is the total size of this ACPI node buffer.\r
89//\r
90typedef struct {\r
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91 UINT32 Signature;\r
92 UINT8 *Buffer;\r
93 UINTN Size;\r
94 AML_BYTE_ENCODING *AmlByteEncoding;\r
95 BOOLEAN Modified;\r
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96} EFI_AML_HANDLE;\r
97\r
98typedef UINT32 AML_OP_PARSE_INDEX;\r
99\r
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100#define AML_OP_PARSE_INDEX_GET_OPCODE 0\r
101#define AML_OP_PARSE_INDEX_GET_TERM1 1\r
102#define AML_OP_PARSE_INDEX_GET_TERM2 2\r
103#define AML_OP_PARSE_INDEX_GET_TERM3 3\r
104#define AML_OP_PARSE_INDEX_GET_TERM4 4\r
105#define AML_OP_PARSE_INDEX_GET_TERM5 5\r
106#define AML_OP_PARSE_INDEX_GET_TERM6 6\r
107#define AML_OP_PARSE_INDEX_GET_SIZE (AML_OP_PARSE_INDEX)-1\r
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108\r
109typedef UINT32 AML_OP_PARSE_FORMAT;\r
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110#define AML_NONE 0\r
111#define AML_OPCODE 1\r
112#define AML_UINT8 2\r
113#define AML_UINT16 3\r
114#define AML_UINT32 4\r
115#define AML_UINT64 5\r
116#define AML_NAME 6\r
117#define AML_STRING 7\r
118#define AML_OBJECT 8\r
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119\r
120typedef UINT32 AML_OP_ATTRIBUTE;\r
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121#define AML_HAS_PKG_LENGTH 0x1 // It is ACPI attribute - if OpCode has PkgLength\r
122#define AML_IS_NAME_CHAR 0x2 // It is ACPI attribute - if this is NameChar\r
123#define AML_HAS_CHILD_OBJ 0x4 // it is ACPI attribute - if OpCode has Child Object.\r
124#define AML_IN_NAMESPACE 0x10000 // It is UEFI SDT attribute - if OpCode will be in NameSpace\r
3dc8585e 125 // NOTE; Not all OBJECT will be in NameSpace\r
d1102dba 126 // For example, BankField | CreateBitField | CreateByteField | CreateDWordField |\r
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127 // CreateField | CreateQWordField | CreateWordField | Field | IndexField.\r
128\r
129struct _AML_BYTE_ENCODING {\r
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130 UINT8 OpCode;\r
131 UINT8 SubOpCode;\r
132 AML_OP_PARSE_INDEX MaxIndex;\r
133 AML_OP_PARSE_FORMAT Format[6];\r
134 AML_OP_ATTRIBUTE Attribute;\r
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135};\r
136\r
137//\r
138// AcpiSdt protocol declaration\r
139//\r
140\r
141/**\r
142 Returns a requested ACPI table.\r
d1102dba 143\r
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144 The GetAcpiTable() function returns a pointer to a buffer containing the ACPI table associated\r
145 with the Index that was input. The following structures are not considered elements in the list of\r
146 ACPI tables:\r
147 - Root System Description Pointer (RSD_PTR)\r
148 - Root System Description Table (RSDT)\r
149 - Extended System Description Table (XSDT)\r
150 Version is updated with a bit map containing all the versions of ACPI of which the table is a\r
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151 member. For tables installed via the EFI_ACPI_TABLE_PROTOCOL.InstallAcpiTable() interface,\r
152 the function returns the value of EFI_ACPI_STD_PROTOCOL.AcpiVersion.\r
d1102dba 153\r
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154 @param[in] Index The zero-based index of the table to retrieve.\r
155 @param[out] Table Pointer for returning the table buffer.\r
156 @param[out] Version On return, updated with the ACPI versions to which this table belongs. Type\r
157 EFI_ACPI_TABLE_VERSION is defined in "Related Definitions" in the\r
d1102dba 158 EFI_ACPI_SDT_PROTOCOL.\r
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159 @param[out] TableKey On return, points to the table key for the specified ACPI system definition table.\r
160 This is identical to the table key used in the EFI_ACPI_TABLE_PROTOCOL.\r
161 The TableKey can be passed to EFI_ACPI_TABLE_PROTOCOL.UninstallAcpiTable()\r
162 to uninstall the table.\r
d1102dba 163\r
3dc8585e 164 @retval EFI_SUCCESS The function completed successfully.\r
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165 @retval EFI_NOT_FOUND The requested index is too large and a table was not found.\r
166**/\r
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167EFI_STATUS\r
168EFIAPI\r
169GetAcpiTable2 (\r
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170 IN UINTN Index,\r
171 OUT EFI_ACPI_SDT_HEADER **Table,\r
172 OUT EFI_ACPI_TABLE_VERSION *Version,\r
173 OUT UINTN *TableKey\r
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174 );\r
175\r
176/**\r
177 Register or unregister a callback when an ACPI table is installed.\r
d1102dba 178\r
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179 This function registers or unregisters a function which will be called whenever a new ACPI table is\r
180 installed.\r
d1102dba 181\r
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182 @param[in] Register If TRUE, then the specified function will be registered. If FALSE, then the specified\r
183 function will be unregistered.\r
184 @param[in] Notification Points to the callback function to be registered or unregistered.\r
d1102dba 185\r
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186 @retval EFI_SUCCESS Callback successfully registered or unregistered.\r
187 @retval EFI_INVALID_PARAMETER Notification is NULL\r
d1102dba 188 @retval EFI_INVALID_PARAMETER Register is FALSE and Notification does not match a known registration function.\r
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189**/\r
190EFI_STATUS\r
191EFIAPI\r
192RegisterNotify (\r
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193 IN BOOLEAN Register,\r
194 IN EFI_ACPI_NOTIFICATION_FN Notification\r
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195 );\r
196\r
197/**\r
198 Create a handle for the first ACPI opcode in an ACPI system description table.\r
d1102dba 199\r
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200 @param[in] TableKey The table key for the ACPI table, as returned by GetTable().\r
201 @param[out] Handle On return, points to the newly created ACPI handle.\r
202\r
203 @retval EFI_SUCCESS Handle created successfully.\r
d1102dba 204 @retval EFI_NOT_FOUND TableKey does not refer to a valid ACPI table.\r
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205**/\r
206EFI_STATUS\r
207EFIAPI\r
208OpenSdt (\r
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209 IN UINTN TableKey,\r
210 OUT EFI_ACPI_HANDLE *Handle\r
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211 );\r
212\r
213/**\r
214 Create a handle from an ACPI opcode\r
d1102dba 215\r
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216 @param[in] Buffer Points to the ACPI opcode.\r
217 @param[out] Handle Upon return, holds the handle.\r
d1102dba 218\r
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219 @retval EFI_SUCCESS Success\r
220 @retval EFI_INVALID_PARAMETER Buffer is NULL or Handle is NULL or Buffer points to an\r
221 invalid opcode.\r
d1102dba 222\r
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223**/\r
224EFI_STATUS\r
225EFIAPI\r
226Open (\r
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227 IN VOID *Buffer,\r
228 OUT EFI_ACPI_HANDLE *Handle\r
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229 );\r
230\r
231/**\r
232 Close an ACPI handle.\r
d1102dba 233\r
3dc8585e 234 @param[in] Handle Returns the handle.\r
d1102dba 235\r
3dc8585e 236 @retval EFI_SUCCESS Success\r
d1102dba 237 @retval EFI_INVALID_PARAMETER Handle is NULL or does not refer to a valid ACPI object.\r
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238**/\r
239EFI_STATUS\r
240EFIAPI\r
241Close (\r
1436aea4 242 IN EFI_ACPI_HANDLE Handle\r
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243 );\r
244\r
245/**\r
246 Retrieve information about an ACPI object.\r
d1102dba 247\r
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248 @param[in] Handle ACPI object handle.\r
249 @param[in] Index Index of the data to retrieve from the object. In general, indexes read from left-to-right\r
250 in the ACPI encoding, with index 0 always being the ACPI opcode.\r
251 @param[out] DataType Points to the returned data type or EFI_ACPI_DATA_TYPE_NONE if no data exists\r
252 for the specified index.\r
253 @param[out] Data Upon return, points to the pointer to the data.\r
254 @param[out] DataSize Upon return, points to the size of Data.\r
d1102dba 255\r
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256 @retval EFI_SUCCESS Success.\r
257 @retval EFI_INVALID_PARAMETER Handle is NULL or does not refer to a valid ACPI object.\r
258**/\r
259EFI_STATUS\r
260EFIAPI\r
261GetOption (\r
262 IN EFI_ACPI_HANDLE Handle,\r
263 IN UINTN Index,\r
264 OUT EFI_ACPI_DATA_TYPE *DataType,\r
265 OUT CONST VOID **Data,\r
266 OUT UINTN *DataSize\r
267 );\r
268\r
269/**\r
270 Change information about an ACPI object.\r
d1102dba 271\r
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272 @param[in] Handle ACPI object handle.\r
273 @param[in] Index Index of the data to retrieve from the object. In general, indexes read from left-to-right\r
274 in the ACPI encoding, with index 0 always being the ACPI opcode.\r
275 @param[in] Data Points to the data.\r
276 @param[in] DataSize The size of the Data.\r
277\r
278 @retval EFI_SUCCESS Success\r
279 @retval EFI_INVALID_PARAMETER Handle is NULL or does not refer to a valid ACPI object.\r
280 @retval EFI_BAD_BUFFER_SIZE Data cannot be accommodated in the space occupied by\r
281 the option.\r
282\r
283**/\r
284EFI_STATUS\r
285EFIAPI\r
286SetOption (\r
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287 IN EFI_ACPI_HANDLE Handle,\r
288 IN UINTN Index,\r
289 IN CONST VOID *Data,\r
290 IN UINTN DataSize\r
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291 );\r
292\r
293/**\r
294 Return the child ACPI objects.\r
d1102dba 295\r
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296 @param[in] ParentHandle Parent handle.\r
297 @param[in, out] Handle On entry, points to the previously returned handle or NULL to start with the first\r
298 handle. On return, points to the next returned ACPI handle or NULL if there are no\r
299 child objects.\r
300\r
301 @retval EFI_SUCCESS Success\r
d1102dba 302 @retval EFI_INVALID_PARAMETER ParentHandle is NULL or does not refer to a valid ACPI object.\r
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303**/\r
304EFI_STATUS\r
305EFIAPI\r
306GetChild (\r
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307 IN EFI_ACPI_HANDLE ParentHandle,\r
308 IN OUT EFI_ACPI_HANDLE *Handle\r
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309 );\r
310\r
311/**\r
312 Returns the handle of the ACPI object representing the specified ACPI path\r
d1102dba 313\r
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314 @param[in] HandleIn Points to the handle of the object representing the starting point for the path search.\r
315 @param[in] AcpiPath Points to the ACPI path, which conforms to the ACPI encoded path format.\r
316 @param[out] HandleOut On return, points to the ACPI object which represents AcpiPath, relative to\r
317 HandleIn.\r
d1102dba 318\r
3dc8585e 319 @retval EFI_SUCCESS Success\r
d1102dba 320 @retval EFI_INVALID_PARAMETER HandleIn is NULL or does not refer to a valid ACPI object.\r
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321**/\r
322EFI_STATUS\r
323EFIAPI\r
324FindPath (\r
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325 IN EFI_ACPI_HANDLE HandleIn,\r
326 IN VOID *AcpiPath,\r
327 OUT EFI_ACPI_HANDLE *HandleOut\r
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328 );\r
329\r
330//\r
331// ACPI SDT function\r
332//\r
333\r
334/**\r
335 Create a handle from an ACPI opcode\r
d1102dba 336\r
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337 @param[in] Buffer Points to the ACPI opcode.\r
338 @param[in] BufferSize Max buffer size.\r
339 @param[out] Handle Upon return, holds the handle.\r
d1102dba 340\r
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341 @retval EFI_SUCCESS Success\r
342 @retval EFI_INVALID_PARAMETER Buffer is NULL or Handle is NULL or Buffer points to an\r
343 invalid opcode.\r
d1102dba 344\r
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345**/\r
346EFI_STATUS\r
347SdtOpenEx (\r
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348 IN VOID *Buffer,\r
349 IN UINTN BufferSize,\r
350 OUT EFI_ACPI_HANDLE *Handle\r
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351 );\r
352\r
353//\r
354// AML support function\r
355//\r
356\r
357/**\r
358 Get AML NameString size.\r
359\r
360 @param[in] Buffer AML NameString.\r
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361 @param[out] BufferSize AML NameString size\r
362\r
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363 @retval EFI_SUCCESS Success.\r
364 @retval EFI_INVALID_PARAMETER Buffer does not refer to a valid AML NameString.\r
365**/\r
366EFI_STATUS\r
367AmlGetNameStringSize (\r
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368 IN UINT8 *Buffer,\r
369 OUT UINTN *BufferSize\r
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370 );\r
371\r
372/**\r
373 This function retuns package length from the buffer.\r
374\r
375 @param[in] Buffer AML buffer\r
376 @param[out] PkgLength The total length of package.\r
377\r
378 @return The byte data count to present the package length.\r
379**/\r
380UINTN\r
381AmlGetPkgLength (\r
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382 IN UINT8 *Buffer,\r
383 OUT UINTN *PkgLength\r
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384 );\r
385\r
386/**\r
387 This function returns AcpiDataType according to AmlType.\r
388\r
389 @param[in] AmlType AML Type.\r
390\r
391 @return AcpiDataType\r
392**/\r
393EFI_ACPI_DATA_TYPE\r
394AmlTypeToAcpiType (\r
395 IN AML_OP_PARSE_FORMAT AmlType\r
396 );\r
397\r
398/**\r
399 This function returns AmlByteEncoding according to OpCode Byte.\r
400\r
401 @param[in] OpByteBuffer OpCode byte buffer.\r
402\r
403 @return AmlByteEncoding\r
404**/\r
405AML_BYTE_ENCODING *\r
406AmlSearchByOpByte (\r
1436aea4 407 IN UINT8 *OpByteBuffer\r
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408 );\r
409\r
410/**\r
411 Return object size.\r
d1102dba 412\r
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413 @param[in] AmlByteEncoding AML Byte Encoding.\r
414 @param[in] Buffer AML object buffer.\r
415 @param[in] MaxBufferSize AML object buffer MAX size. The parser can not parse any data exceed this region.\r
d1102dba 416\r
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417 @return Size of the object.\r
418**/\r
419UINTN\r
420AmlGetObjectSize (\r
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421 IN AML_BYTE_ENCODING *AmlByteEncoding,\r
422 IN UINT8 *Buffer,\r
423 IN UINTN MaxBufferSize\r
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424 );\r
425\r
426/**\r
427 Return object name.\r
d1102dba 428\r
3dc8585e 429 @param[in] AmlHandle AML handle.\r
d1102dba 430\r
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431 @return Name of the object.\r
432**/\r
433CHAR8 *\r
434AmlGetObjectName (\r
1436aea4 435 IN EFI_AML_HANDLE *AmlHandle\r
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436 );\r
437\r
438/**\r
439 Retrieve information according to AmlHandle\r
d1102dba 440\r
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441 @param[in] AmlHandle AML handle.\r
442 @param[in] Index Index of the data to retrieve from the object. In general, indexes read from left-to-right\r
443 in the ACPI encoding, with index 0 always being the ACPI opcode.\r
444 @param[out] DataType Points to the returned data type or EFI_ACPI_DATA_TYPE_NONE if no data exists\r
445 for the specified index.\r
446 @param[out] Data Upon return, points to the pointer to the data.\r
447 @param[out] DataSize Upon return, points to the size of Data.\r
d1102dba 448\r
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449 @retval EFI_SUCCESS Success.\r
450 @retval EFI_INVALID_PARAMETER AmlHandle does not refer to a valid ACPI object.\r
451**/\r
452EFI_STATUS\r
453AmlParseOptionHandleCommon (\r
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454 IN EFI_AML_HANDLE *AmlHandle,\r
455 IN AML_OP_PARSE_INDEX Index,\r
456 OUT EFI_ACPI_DATA_TYPE *DataType,\r
457 OUT VOID **Data,\r
458 OUT UINTN *DataSize\r
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459 );\r
460\r
461/**\r
462 Return offset of last option.\r
d1102dba 463\r
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464 @param[in] AmlHandle AML Handle.\r
465 @param[out] Buffer Upon return, points to the offset after last option.\r
d1102dba 466\r
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467 @retval EFI_SUCCESS Success.\r
468 @retval EFI_INVALID_PARAMETER AmlHandle does not refer to a valid ACPI object.\r
469**/\r
470EFI_STATUS\r
471AmlGetOffsetAfterLastOption (\r
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472 IN EFI_AML_HANDLE *AmlHandle,\r
473 OUT UINT8 **Buffer\r
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474 );\r
475\r
476/**\r
477 Return the child ACPI objects from Root Handle.\r
d1102dba 478\r
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479 @param[in] AmlParentHandle Parent handle. It is Root Handle.\r
480 @param[in] AmlHandle The previously returned handle or NULL to start with the first handle.\r
481 @param[out] Buffer On return, points to the next returned ACPI handle or NULL if there are no\r
482 child objects.\r
483\r
484 @retval EFI_SUCCESS Success\r
d1102dba 485 @retval EFI_INVALID_PARAMETER ParentHandle is NULL or does not refer to a valid ACPI object.\r
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486**/\r
487EFI_STATUS\r
488AmlGetChildFromRoot (\r
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489 IN EFI_AML_HANDLE *AmlParentHandle,\r
490 IN EFI_AML_HANDLE *AmlHandle,\r
491 OUT VOID **Buffer\r
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492 );\r
493\r
494/**\r
495 Return the child ACPI objects from Non-Root Handle.\r
d1102dba 496\r
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497 @param[in] AmlParentHandle Parent handle. It is Non-Root Handle.\r
498 @param[in] AmlHandle The previously returned handle or NULL to start with the first handle.\r
499 @param[out] Buffer On return, points to the next returned ACPI handle or NULL if there are no\r
500 child objects.\r
501\r
502 @retval EFI_SUCCESS Success\r
d1102dba 503 @retval EFI_INVALID_PARAMETER ParentHandle is NULL or does not refer to a valid ACPI object.\r
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504**/\r
505EFI_STATUS\r
506AmlGetChildFromNonRoot (\r
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507 IN EFI_AML_HANDLE *AmlParentHandle,\r
508 IN EFI_AML_HANDLE *AmlHandle,\r
509 OUT VOID **Buffer\r
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510 );\r
511\r
512/**\r
513 Return AML name according to ASL name.\r
514 The caller need free the AmlName returned.\r
515\r
516 @param[in] AslPath ASL name.\r
517\r
518 @return AmlName\r
519**/\r
520UINT8 *\r
521AmlNameFromAslName (\r
1436aea4 522 IN UINT8 *AslPath\r
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523 );\r
524\r
525/**\r
526 Returns the handle of the ACPI object representing the specified ACPI AML path\r
d1102dba 527\r
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528 @param[in] AmlHandle Points to the handle of the object representing the starting point for the path search.\r
529 @param[in] AmlPath Points to the ACPI AML path.\r
530 @param[out] Buffer On return, points to the ACPI object which represents AcpiPath, relative to\r
531 HandleIn.\r
532 @param[in] FromRoot TRUE means to find AML path from \ (Root) Node.\r
533 FALSE means to find AML path from this Node (The HandleIn).\r
d1102dba 534\r
3dc8585e 535 @retval EFI_SUCCESS Success\r
d1102dba 536 @retval EFI_INVALID_PARAMETER HandleIn does not refer to a valid ACPI object.\r
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537**/\r
538EFI_STATUS\r
539AmlFindPath (\r
540 IN EFI_AML_HANDLE *AmlHandle,\r
541 IN UINT8 *AmlPath,\r
542 OUT VOID **Buffer,\r
543 IN BOOLEAN FromRoot\r
544 );\r
545\r
546/**\r
547 Print AML NameString.\r
548\r
549 @param[in] Buffer AML NameString.\r
550**/\r
551VOID\r
552AmlPrintNameString (\r
1436aea4 553 IN UINT8 *Buffer\r
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554 );\r
555\r
556/**\r
557 Print AML NameSeg.\r
558\r
559 @param[in] Buffer AML NameSeg.\r
560**/\r
561VOID\r
562AmlPrintNameSeg (\r
1436aea4 563 IN UINT8 *Buffer\r
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564 );\r
565\r
566/**\r
567 Check if it is AML Root name\r
568\r
569 @param[in] Buffer AML path.\r
d1102dba 570\r
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571 @retval TRUE AML path is root.\r
572 @retval FALSE AML path is not root.\r
573**/\r
574BOOLEAN\r
575AmlIsRootPath (\r
1436aea4 576 IN UINT8 *Buffer\r
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577 );\r
578\r
579#endif\r