diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h new file mode 100644 index 00000000..18404496 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiSdt.h @@ -0,0 +1,580 @@ +/** @file + ACPI Sdt Protocol Driver + + Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved. <BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _ACPI_SDT_H_ +#define _ACPI_SDT_H_ + +// +// Privacy data structure +// + +// +// ACPI Notify Linked List Signature. +// +#define EFI_ACPI_NOTIFY_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'N', 'L') + +// +// ACPI Notify List Entry definition. +// +// Signature must be set to EFI_ACPI_NOTIFY_LIST_SIGNATURE +// Link is the linked list data. +// Notification is the callback function. +// +typedef struct { + UINT32 Signature; + LIST_ENTRY Link; + EFI_ACPI_NOTIFICATION_FN Notification; +} EFI_ACPI_NOTIFY_LIST; + +// +// Containment record for ACPI Notify linked list. +// +#define EFI_ACPI_NOTIFY_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_NOTIFY_LIST, Link, EFI_ACPI_NOTIFY_LIST_SIGNATURE) + +typedef struct _AML_BYTE_ENCODING AML_BYTE_ENCODING; +typedef struct _EFI_AML_NODE_LIST EFI_AML_NODE_LIST; + +// +// AML Node Linked List Signature. +// +#define EFI_AML_NODE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'M', 'L') + +// +// AML Node Linked List Entry definition. +// +// Signature must be set to EFI_AML_NODE_LIST_SIGNATURE +// Link is the linked list data. +// Name is the ACPI node name. +// This is listed for PATH finding. +// Buffer is the ACPI node buffer pointer, the first/second bytes are opcode. +// This buffer should not be freed. +// Size is the total size of this ACPI node buffer. +// Children is the children linked list of this node. +// +#define AML_NAME_SEG_SIZE 4 + +struct _EFI_AML_NODE_LIST { + UINT32 Signature; + UINT8 Name[AML_NAME_SEG_SIZE]; + UINT8 *Buffer; + UINTN Size; + LIST_ENTRY Link; + LIST_ENTRY Children; + EFI_AML_NODE_LIST *Parent; + AML_BYTE_ENCODING *AmlByteEncoding; +}; + +// +// Containment record for AML Node linked list. +// +#define EFI_AML_NODE_LIST_FROM_LINK(_link) CR (_link, EFI_AML_NODE_LIST, Link, EFI_AML_NODE_LIST_SIGNATURE) + +// +// AML Handle Signature. +// +#define EFI_AML_HANDLE_SIGNATURE SIGNATURE_32 ('E', 'A', 'H', 'S') +#define EFI_AML_ROOT_HANDLE_SIGNATURE SIGNATURE_32 ('E', 'A', 'R', 'H') + +// +// AML Handle Entry definition. +// +// Signature must be set to EFI_AML_HANDLE_SIGNATURE or EFI_AML_ROOT_HANDLE_SIGNATURE +// Buffer is the ACPI node buffer pointer, the first/second bytes are opcode. +// This buffer should not be freed. +// Size is the total size of this ACPI node buffer. +// +typedef struct { + UINT32 Signature; + UINT8 *Buffer; + UINTN Size; + AML_BYTE_ENCODING *AmlByteEncoding; + BOOLEAN Modified; +} EFI_AML_HANDLE; + +typedef UINT32 AML_OP_PARSE_INDEX; + +#define AML_OP_PARSE_INDEX_GET_OPCODE 0 +#define AML_OP_PARSE_INDEX_GET_TERM1 1 +#define AML_OP_PARSE_INDEX_GET_TERM2 2 +#define AML_OP_PARSE_INDEX_GET_TERM3 3 +#define AML_OP_PARSE_INDEX_GET_TERM4 4 +#define AML_OP_PARSE_INDEX_GET_TERM5 5 +#define AML_OP_PARSE_INDEX_GET_TERM6 6 +#define AML_OP_PARSE_INDEX_GET_SIZE (AML_OP_PARSE_INDEX)-1 + +typedef UINT32 AML_OP_PARSE_FORMAT; +#define AML_NONE 0 +#define AML_OPCODE 1 +#define AML_UINT8 2 +#define AML_UINT16 3 +#define AML_UINT32 4 +#define AML_UINT64 5 +#define AML_NAME 6 +#define AML_STRING 7 +#define AML_OBJECT 8 + +typedef UINT32 AML_OP_ATTRIBUTE; +#define AML_HAS_PKG_LENGTH 0x1 // It is ACPI attribute - if OpCode has PkgLength +#define AML_IS_NAME_CHAR 0x2 // It is ACPI attribute - if this is NameChar +#define AML_HAS_CHILD_OBJ 0x4 // it is ACPI attribute - if OpCode has Child Object. +#define AML_IN_NAMESPACE 0x10000 // It is UEFI SDT attribute - if OpCode will be in NameSpace + // NOTE; Not all OBJECT will be in NameSpace + // For example, BankField | CreateBitField | CreateByteField | CreateDWordField | + // CreateField | CreateQWordField | CreateWordField | Field | IndexField. + +struct _AML_BYTE_ENCODING { + UINT8 OpCode; + UINT8 SubOpCode; + AML_OP_PARSE_INDEX MaxIndex; + AML_OP_PARSE_FORMAT Format[6]; + AML_OP_ATTRIBUTE Attribute; +}; + +// +// AcpiSdt protocol declaration +// + +/** + Returns a requested ACPI table. + + The GetAcpiTable() function returns a pointer to a buffer containing the ACPI table associated + with the Index that was input. The following structures are not considered elements in the list of + ACPI tables: + - Root System Description Pointer (RSD_PTR) + - Root System Description Table (RSDT) + - Extended System Description Table (XSDT) + Version is updated with a bit map containing all the versions of ACPI of which the table is a + member. For tables installed via the EFI_ACPI_TABLE_PROTOCOL.InstallAcpiTable() interface, + the function returns the value of EFI_ACPI_STD_PROTOCOL.AcpiVersion. + + @param[in] Index The zero-based index of the table to retrieve. + @param[out] Table Pointer for returning the table buffer. + @param[out] Version On return, updated with the ACPI versions to which this table belongs. Type + EFI_ACPI_TABLE_VERSION is defined in "Related Definitions" in the + EFI_ACPI_SDT_PROTOCOL. + @param[out] TableKey On return, points to the table key for the specified ACPI system definition table. + This is identical to the table key used in the EFI_ACPI_TABLE_PROTOCOL. + The TableKey can be passed to EFI_ACPI_TABLE_PROTOCOL.UninstallAcpiTable() + to uninstall the table. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The requested index is too large and a table was not found. +**/ +EFI_STATUS +EFIAPI +GetAcpiTable2 ( + IN UINTN Index, + OUT EFI_ACPI_SDT_HEADER **Table, + OUT EFI_ACPI_TABLE_VERSION *Version, + OUT UINTN *TableKey + ); + +/** + Register or unregister a callback when an ACPI table is installed. + + This function registers or unregisters a function which will be called whenever a new ACPI table is + installed. + + @param[in] Register If TRUE, then the specified function will be registered. If FALSE, then the specified + function will be unregistered. + @param[in] Notification Points to the callback function to be registered or unregistered. + + @retval EFI_SUCCESS Callback successfully registered or unregistered. + @retval EFI_INVALID_PARAMETER Notification is NULL + @retval EFI_INVALID_PARAMETER Register is FALSE and Notification does not match a known registration function. +**/ +EFI_STATUS +EFIAPI +RegisterNotify ( + IN BOOLEAN Register, + IN EFI_ACPI_NOTIFICATION_FN Notification + ); + +/** + Create a handle for the first ACPI opcode in an ACPI system description table. + + @param[in] TableKey The table key for the ACPI table, as returned by GetTable(). + @param[out] Handle On return, points to the newly created ACPI handle. + + @retval EFI_SUCCESS Handle created successfully. + @retval EFI_NOT_FOUND TableKey does not refer to a valid ACPI table. +**/ +EFI_STATUS +EFIAPI +OpenSdt ( + IN UINTN TableKey, + OUT EFI_ACPI_HANDLE *Handle + ); + +/** + Create a handle from an ACPI opcode + + @param[in] Buffer Points to the ACPI opcode. + @param[out] Handle Upon return, holds the handle. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER Buffer is NULL or Handle is NULL or Buffer points to an + invalid opcode. + +**/ +EFI_STATUS +EFIAPI +Open ( + IN VOID *Buffer, + OUT EFI_ACPI_HANDLE *Handle + ); + +/** + Close an ACPI handle. + + @param[in] Handle Returns the handle. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER Handle is NULL or does not refer to a valid ACPI object. +**/ +EFI_STATUS +EFIAPI +Close ( + IN EFI_ACPI_HANDLE Handle + ); + +/** + Retrieve information about an ACPI object. + + @param[in] Handle ACPI object handle. + @param[in] Index Index of the data to retrieve from the object. In general, indexes read from left-to-right + in the ACPI encoding, with index 0 always being the ACPI opcode. + @param[out] DataType Points to the returned data type or EFI_ACPI_DATA_TYPE_NONE if no data exists + for the specified index. + @param[out] Data Upon return, points to the pointer to the data. + @param[out] DataSize Upon return, points to the size of Data. + + @retval EFI_SUCCESS Success. + @retval EFI_INVALID_PARAMETER Handle is NULL or does not refer to a valid ACPI object. +**/ +EFI_STATUS +EFIAPI +GetOption ( + IN EFI_ACPI_HANDLE Handle, + IN UINTN Index, + OUT EFI_ACPI_DATA_TYPE *DataType, + OUT CONST VOID **Data, + OUT UINTN *DataSize + ); + +/** + Change information about an ACPI object. + + @param[in] Handle ACPI object handle. + @param[in] Index Index of the data to retrieve from the object. In general, indexes read from left-to-right + in the ACPI encoding, with index 0 always being the ACPI opcode. + @param[in] Data Points to the data. + @param[in] DataSize The size of the Data. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER Handle is NULL or does not refer to a valid ACPI object. + @retval EFI_BAD_BUFFER_SIZE Data cannot be accommodated in the space occupied by + the option. + +**/ +EFI_STATUS +EFIAPI +SetOption ( + IN EFI_ACPI_HANDLE Handle, + IN UINTN Index, + IN CONST VOID *Data, + IN UINTN DataSize + ); + +/** + Return the child ACPI objects. + + @param[in] ParentHandle Parent handle. + @param[in, out] Handle On entry, points to the previously returned handle or NULL to start with the first + handle. On return, points to the next returned ACPI handle or NULL if there are no + child objects. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER ParentHandle is NULL or does not refer to a valid ACPI object. +**/ +EFI_STATUS +EFIAPI +GetChild ( + IN EFI_ACPI_HANDLE ParentHandle, + IN OUT EFI_ACPI_HANDLE *Handle + ); + +/** + Returns the handle of the ACPI object representing the specified ACPI path + + @param[in] HandleIn Points to the handle of the object representing the starting point for the path search. + @param[in] AcpiPath Points to the ACPI path, which conforms to the ACPI encoded path format. + @param[out] HandleOut On return, points to the ACPI object which represents AcpiPath, relative to + HandleIn. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER HandleIn is NULL or does not refer to a valid ACPI object. +**/ +EFI_STATUS +EFIAPI +FindPath ( + IN EFI_ACPI_HANDLE HandleIn, + IN VOID *AcpiPath, + OUT EFI_ACPI_HANDLE *HandleOut + ); + +// +// ACPI SDT function +// + +/** + Create a handle from an ACPI opcode + + @param[in] Buffer Points to the ACPI opcode. + @param[in] BufferSize Max buffer size. + @param[out] Handle Upon return, holds the handle. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER Buffer is NULL or Handle is NULL or Buffer points to an + invalid opcode. + +**/ +EFI_STATUS +SdtOpenEx ( + IN VOID *Buffer, + IN UINTN BufferSize, + OUT EFI_ACPI_HANDLE *Handle + ); + +// +// AML support function +// + +/** + Get AML NameString size. + + @param[in] Buffer AML NameString. + @param[out] BufferSize AML NameString size + + @retval EFI_SUCCESS Success. + @retval EFI_INVALID_PARAMETER Buffer does not refer to a valid AML NameString. +**/ +EFI_STATUS +AmlGetNameStringSize ( + IN UINT8 *Buffer, + OUT UINTN *BufferSize + ); + +/** + This function retuns package length from the buffer. + + @param[in] Buffer AML buffer + @param[out] PkgLength The total length of package. + + @return The byte data count to present the package length. +**/ +UINTN +AmlGetPkgLength ( + IN UINT8 *Buffer, + OUT UINTN *PkgLength + ); + +/** + This function returns AcpiDataType according to AmlType. + + @param[in] AmlType AML Type. + + @return AcpiDataType +**/ +EFI_ACPI_DATA_TYPE +AmlTypeToAcpiType ( + IN AML_OP_PARSE_FORMAT AmlType + ); + +/** + This function returns AmlByteEncoding according to OpCode Byte. + + @param[in] OpByteBuffer OpCode byte buffer. + + @return AmlByteEncoding +**/ +AML_BYTE_ENCODING * +AmlSearchByOpByte ( + IN UINT8 *OpByteBuffer + ); + +/** + Return object size. + + @param[in] AmlByteEncoding AML Byte Encoding. + @param[in] Buffer AML object buffer. + @param[in] MaxBufferSize AML object buffer MAX size. The parser can not parse any data exceed this region. + + @return Size of the object. +**/ +UINTN +AmlGetObjectSize ( + IN AML_BYTE_ENCODING *AmlByteEncoding, + IN UINT8 *Buffer, + IN UINTN MaxBufferSize + ); + +/** + Return object name. + + @param[in] AmlHandle AML handle. + + @return Name of the object. +**/ +CHAR8 * +AmlGetObjectName ( + IN EFI_AML_HANDLE *AmlHandle + ); + +/** + Retrieve information according to AmlHandle + + @param[in] AmlHandle AML handle. + @param[in] Index Index of the data to retrieve from the object. In general, indexes read from left-to-right + in the ACPI encoding, with index 0 always being the ACPI opcode. + @param[out] DataType Points to the returned data type or EFI_ACPI_DATA_TYPE_NONE if no data exists + for the specified index. + @param[out] Data Upon return, points to the pointer to the data. + @param[out] DataSize Upon return, points to the size of Data. + + @retval EFI_SUCCESS Success. + @retval EFI_INVALID_PARAMETER AmlHandle does not refer to a valid ACPI object. +**/ +EFI_STATUS +AmlParseOptionHandleCommon ( + IN EFI_AML_HANDLE *AmlHandle, + IN AML_OP_PARSE_INDEX Index, + OUT EFI_ACPI_DATA_TYPE *DataType, + OUT VOID **Data, + OUT UINTN *DataSize + ); + +/** + Return offset of last option. + + @param[in] AmlHandle AML Handle. + @param[out] Buffer Upon return, points to the offset after last option. + + @retval EFI_SUCCESS Success. + @retval EFI_INVALID_PARAMETER AmlHandle does not refer to a valid ACPI object. +**/ +EFI_STATUS +AmlGetOffsetAfterLastOption ( + IN EFI_AML_HANDLE *AmlHandle, + OUT UINT8 **Buffer + ); + +/** + Return the child ACPI objects from Root Handle. + + @param[in] AmlParentHandle Parent handle. It is Root Handle. + @param[in] AmlHandle The previously returned handle or NULL to start with the first handle. + @param[out] Buffer On return, points to the next returned ACPI handle or NULL if there are no + child objects. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER ParentHandle is NULL or does not refer to a valid ACPI object. +**/ +EFI_STATUS +AmlGetChildFromRoot ( + IN EFI_AML_HANDLE *AmlParentHandle, + IN EFI_AML_HANDLE *AmlHandle, + OUT VOID **Buffer + ); + +/** + Return the child ACPI objects from Non-Root Handle. + + @param[in] AmlParentHandle Parent handle. It is Non-Root Handle. + @param[in] AmlHandle The previously returned handle or NULL to start with the first handle. + @param[out] Buffer On return, points to the next returned ACPI handle or NULL if there are no + child objects. + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER ParentHandle is NULL or does not refer to a valid ACPI object. +**/ +EFI_STATUS +AmlGetChildFromNonRoot ( + IN EFI_AML_HANDLE *AmlParentHandle, + IN EFI_AML_HANDLE *AmlHandle, + OUT VOID **Buffer + ); + +/** + Return AML name according to ASL name. + The caller need free the AmlName returned. + + @param[in] AslPath ASL name. + + @return AmlName +**/ +UINT8 * +AmlNameFromAslName ( + IN UINT8 *AslPath + ); + +/** + Returns the handle of the ACPI object representing the specified ACPI AML path + + @param[in] AmlHandle Points to the handle of the object representing the starting point for the path search. + @param[in] AmlPath Points to the ACPI AML path. + @param[out] Buffer On return, points to the ACPI object which represents AcpiPath, relative to + HandleIn. + @param[in] FromRoot TRUE means to find AML path from \ (Root) Node. + FALSE means to find AML path from this Node (The HandleIn). + + @retval EFI_SUCCESS Success + @retval EFI_INVALID_PARAMETER HandleIn does not refer to a valid ACPI object. +**/ +EFI_STATUS +AmlFindPath ( + IN EFI_AML_HANDLE *AmlHandle, + IN UINT8 *AmlPath, + OUT VOID **Buffer, + IN BOOLEAN FromRoot + ); + +/** + Print AML NameString. + + @param[in] Buffer AML NameString. +**/ +VOID +AmlPrintNameString ( + IN UINT8 *Buffer + ); + +/** + Print AML NameSeg. + + @param[in] Buffer AML NameSeg. +**/ +VOID +AmlPrintNameSeg ( + IN UINT8 *Buffer + ); + +/** + Check if it is AML Root name + + @param[in] Buffer AML path. + + @retval TRUE AML path is root. + @retval FALSE AML path is not root. +**/ +BOOLEAN +AmlIsRootPath ( + IN UINT8 *Buffer + ); + +#endif |