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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/AcpiSystemDescriptionTable.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/AcpiSystemDescriptionTable.h | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/AcpiSystemDescriptionTable.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/AcpiSystemDescriptionTable.h new file mode 100644 index 0000000000..b98862f6d8 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/AcpiSystemDescriptionTable.h @@ -0,0 +1,266 @@ +/** @file + This protocol provides services for creating ACPI system description tables. + + Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __ACPI_SYSTEM_DESCRIPTION_TABLE_H___ +#define __ACPI_SYSTEM_DESCRIPTION_TABLE_H___ + +#define EFI_ACPI_SDT_PROTOCOL_GUID \ + { 0xeb97088e, 0xcfdf, 0x49c6, { 0xbe, 0x4b, 0xd9, 0x6, 0xa5, 0xb2, 0xe, 0x86 }} + +typedef UINT32 EFI_ACPI_TABLE_VERSION; +typedef VOID *EFI_ACPI_HANDLE; + +#define EFI_ACPI_TABLE_VERSION_NONE (1 << 0) +#define EFI_ACPI_TABLE_VERSION_1_0B (1 << 1) +#define EFI_ACPI_TABLE_VERSION_2_0 (1 << 2) +#define EFI_ACPI_TABLE_VERSION_3_0 (1 << 3) +#define EFI_ACPI_TABLE_VERSION_4_0 (1 << 4) +#define EFI_ACPI_TABLE_VERSION_5_0 (1 << 5) + +typedef UINT32 EFI_ACPI_DATA_TYPE; +#define EFI_ACPI_DATA_TYPE_NONE 0 +#define EFI_ACPI_DATA_TYPE_OPCODE 1 +#define EFI_ACPI_DATA_TYPE_NAME_STRING 2 +#define EFI_ACPI_DATA_TYPE_OP 3 +#define EFI_ACPI_DATA_TYPE_UINT 4 +#define EFI_ACPI_DATA_TYPE_STRING 5 +#define EFI_ACPI_DATA_TYPE_CHILD 6 + +typedef struct { + UINT32 Signature; + UINT32 Length; + UINT8 Revision; + UINT8 Checksum; + CHAR8 OemId[6]; + CHAR8 OemTableId[8]; + UINT32 OemRevision; + UINT32 CreatorId; + UINT32 CreatorRevision; +} EFI_ACPI_SDT_HEADER; + +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_NOTIFICATION_FN)( + IN EFI_ACPI_SDT_HEADER *Table, ///< A pointer to the ACPI table header. + IN EFI_ACPI_TABLE_VERSION Version, ///< The ACPI table's version. + IN UINTN TableKey ///< The table key for this ACPI table. +); + +/** + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_GET_ACPI_TABLE2)( + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_REGISTER_NOTIFY)( + IN BOOLEAN Register, + IN EFI_ACPI_NOTIFICATION_FN Notification +); + +/** + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_OPEN)( + IN VOID *Buffer, + OUT EFI_ACPI_HANDLE *Handle +); + +/** + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_OPEN_SDT)( + IN UINTN TableKey, + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_CLOSE)( + IN EFI_ACPI_HANDLE Handle +); + +/** + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_GET_CHILD)( + IN EFI_ACPI_HANDLE ParentHandle, + IN OUT 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 +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_GET_OPTION)( + 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_SET_OPTION)( + IN EFI_ACPI_HANDLE Handle, + IN UINTN Index, + IN CONST VOID *Data, + IN UINTN DataSize +); + +/** + 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. +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_FIND_PATH)( + IN EFI_ACPI_HANDLE HandleIn, + IN VOID *AcpiPath, + OUT EFI_ACPI_HANDLE *HandleOut +); + +typedef struct _EFI_ACPI_SDT_PROTOCOL { + /// + /// A bit map containing all the ACPI versions supported by this protocol. + /// + EFI_ACPI_TABLE_VERSION AcpiVersion; + EFI_ACPI_GET_ACPI_TABLE2 GetAcpiTable; + EFI_ACPI_REGISTER_NOTIFY RegisterNotify; + EFI_ACPI_OPEN Open; + EFI_ACPI_OPEN_SDT OpenSdt; + EFI_ACPI_CLOSE Close; + EFI_ACPI_GET_CHILD GetChild; + EFI_ACPI_GET_OPTION GetOption; + EFI_ACPI_SET_OPTION SetOption; + EFI_ACPI_FIND_PATH FindPath; +} EFI_ACPI_SDT_PROTOCOL; + +extern EFI_GUID gEfiAcpiSdtProtocolGuid; + +#endif // __ACPI_SYSTEM_DESCRIPTION_TABLE_H___ |