X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FProtocol%2FAcpiTable.h;fp=MdePkg%2FInclude%2FProtocol%2FAcpiTable.h;h=b1335ef61add4a1847cf60d2f6b0374738a2c0eb;hp=0000000000000000000000000000000000000000;hb=d1f950002362305fcd4c30f108ef7b76679f5843;hpb=00edb2182b6203a037219c29317ab6362c78b422 diff --git a/MdePkg/Include/Protocol/AcpiTable.h b/MdePkg/Include/Protocol/AcpiTable.h new file mode 100644 index 0000000000..b1335ef61a --- /dev/null +++ b/MdePkg/Include/Protocol/AcpiTable.h @@ -0,0 +1,129 @@ +/** @file + The file provides the protocol to install or remove an ACPI + table from a platform. + + Copyright (c) 2006 - 2007, Intel Corporation + All rights reserved. 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. + + Module Name: AcpiTable.h + +**/ + +#ifndef __ACPI_TABLE_H___ +#define __ACPI_TABLE_H___ + +#define EFI_ACPI_TABLE_PROTOCOL_GUID \ + { 0xffe06bdd, 0x6107, 0x46a6, { 0x7b, 0xb2, 0x5a, 0x9c, 0x7e, 0xc5, 0x27, 0x5c }} + + +typedef struct _EFI_ACPI_TABLE_PROTOCOL EFI_ACPI_TABLE_PROTOCOL; + +/** + + The InstallAcpiTable() function allows a caller to install an + ACPI table. When successful, the table will be linked by the + RSDT/XSDT. AcpiTableBuffer specifies the table to be installed. + InstallAcpiTable() will make a copy of the table and insert the + copy into the RSDT/XSDT. InstallAcpiTable() must insert the new + table at the end of the RSDT/XSDT. To prevent namespace + collision, ACPI tables may be created using UEFI ACPI table + format. See Appendix O. On successful output, TableKey is + initialized with a unique key. Its value may be used in a + subsequent call to UninstallAcpiTable to remove an ACPI table. + If an EFI application is running at the time of this call, the + relevant EFI_CONFIGURATION_TABLE pointer to the RSDT is no + longer considered valid. + + + @param This A pointer to a EFI_ACPI_TABLE_PROTOCOL. + + @param AcpiTableBuffer A pointer to a buffer containing the + ACPI table to be installed. + + @param AcpiTableBufferSize Specifies the size, in bytes, of + the AcpiTableBuffer buffer. + + + @param TableKey Returns a key to refer to the ACPI table. + + @retval EFI_SUCCESS The table was successfully inserted + + @retval EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, + TableKey is NULL, or + AcpiTableBufferSize and the size + field embedded in the ACPI table + pointed to by AcpiTableBuffer + are not in sync. + + @retval EFI_OUT_OF_RESOURCES Insufficient resources exist to + complete the request. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_TABLE_INSTALL_ACPI_TABLE) ( + IN CONST EFI_ACPI_TABLE_PROTOCOL *This, + IN CONST VOID *AcpiTableBuffer, + IN CONST UINTN AcpiTableBufferSize, + OUT UINTN *TableKey +); + + +/** + + The UninstallAcpiTable() function allows a caller to remove an + ACPI table. The routine will remove its reference from the + RSDT/XSDT. A table is referenced by the TableKey parameter + returned from a prior call to InstallAcpiTable(). If an EFI + application is running at the time of this call, the relevant + EFI_CONFIGURATION_TABLE pointer to the RSDT is no longer + considered valid. + + @param This A pointer to a EFI_ACPI_TABLE_PROTOCOL. + + @param TableKey Specifies the table to uninstall. The key was + returned from InstallAcpiTable(). + + @retval EFI_SUCCESS The table was successfully inserted + + @retval EFI_NOT_FOUND TableKey does not refer to a valid key + for a table entry. + + @retval EFI_OUT_OF_RESOURCES Insufficient resources exist to + complete the request. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_ACPI_TABLE_UNINSTALL_ACPI_TABLE) ( + IN CONST EFI_ACPI_TABLE_PROTOCOL *This, + IN CONST UINTN TableKey +); + +/** + The EFI_ACPI_TABLE_PROTOCOL provides the ability for a component + to install and uninstall ACPI tables from a platform. + + + @param InstallAcpiTable Installs an ACPI table into the + system. + + @param UninstallAcpiTable Removes a previously installed ACPI + table from the system. + +**/ +struct _EFI_ACPI_TABLE_PROTOCOL { + EFI_ACPI_TABLE_INSTALL_ACPI_TABLE InstallAcpiTable; + EFI_ACPI_TABLE_UNINSTALL_ACPI_TABLE UninstallAcpiTable; +}; + +extern EFI_GUID gEfiAcpiTableProtocolGuid; + +#endif +