mirror of https://github.com/acidanthera/audk.git
473 lines
18 KiB
C
473 lines
18 KiB
C
/** @file
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Header file to define EFI SMM Base2 Protocol in the PI 1.2 specification.
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The thunk implementation for SmmScriptLib will ultilize the SmmSaveState Protocol to save SMM
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runtime s3 boot Script. This header file is to definied PI SMM related definition to locate
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SmmSaveState Protocol
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Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _PI_SMM_DEFINITION_H_
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#define _PI_SMM_DEFINITION_H_
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typedef struct _EFI_SMM_CPU_IO2_PROTOCOL EFI_SMM_CPU_IO2_PROTOCOL;
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///
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/// Width of the SMM CPU I/O operations
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///
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typedef enum {
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SMM_IO_UINT8 = 0,
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SMM_IO_UINT16 = 1,
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SMM_IO_UINT32 = 2,
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SMM_IO_UINT64 = 3
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} EFI_SMM_IO_WIDTH;
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/**
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Provides the basic memory and I/O interfaces used toabstract accesses to devices.
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The I/O operations are carried out exactly as requested. The caller is responsible for any alignment
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and I/O width issues that the bus, device, platform, or type of I/O might require.
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@param[in] This The EFI_SMM_CPU_IO2_PROTOCOL instance.
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@param[in] Width Signifies the width of the I/O operations.
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@param[in] Address The base address of the I/O operations.
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The caller is responsible for aligning the Address if required.
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@param[in] Count The number of I/O operations to perform.
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@param[in,out] Buffer For read operations, the destination buffer to store the results.
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For write operations, the source buffer from which to write data.
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@retval EFI_SUCCESS The data was read from or written to the device.
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@retval EFI_UNSUPPORTED The Address is not valid for this system.
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@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_CPU_IO2)(
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IN CONST EFI_SMM_CPU_IO2_PROTOCOL *This,
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IN EFI_SMM_IO_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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);
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typedef struct {
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///
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/// This service provides the various modalities of memory and I/O read.
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///
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EFI_SMM_CPU_IO2 Read;
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///
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/// This service provides the various modalities of memory and I/O write.
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///
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EFI_SMM_CPU_IO2 Write;
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} EFI_SMM_IO_ACCESS2;
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///
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/// SMM CPU I/O 2 Protocol provides CPU I/O and memory access within SMM.
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///
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struct _EFI_SMM_CPU_IO2_PROTOCOL {
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EFI_SMM_IO_ACCESS2 Mem; ///< Allows reads and writes to memory-mapped I/O space.
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EFI_SMM_IO_ACCESS2 Io; ///< Allows reads and writes to I/O space.
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};
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typedef struct _EFI_SMM_SYSTEM_TABLE2 EFI_SMM_SYSTEM_TABLE2;
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/**
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Adds, updates, or removes a configuration table entry from the System Management System Table.
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The SmmInstallConfigurationTable() function is used to maintain the list
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of configuration tables that are stored in the System Management System
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Table. The list is stored as an array of (GUID, Pointer) pairs. The list
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must be allocated from pool memory with PoolType set to EfiRuntimeServicesData.
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@param[in] SystemTable A pointer to the SMM System Table (SMST).
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@param[in] Guid A pointer to the GUID for the entry to add, update, or remove.
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@param[in] Table A pointer to the buffer of the table to add.
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@param[in] TableSize The size of the table to install.
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@retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.
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@retval EFI_INVALID_PARAMETER Guid is not valid.
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@retval EFI_NOT_FOUND An attempt was made to delete a non-existent entry.
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@retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_INSTALL_CONFIGURATION_TABLE2)(
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IN CONST EFI_SMM_SYSTEM_TABLE2 *SystemTable,
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IN CONST EFI_GUID *Guid,
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IN VOID *Table,
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IN UINTN TableSize
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);
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/**
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Function prototype for invoking a function on an Application Processor.
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This definition is used by the UEFI MP Serices Protocol, and the
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PI SMM System Table.
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@param[in,out] Buffer Pointer to private data buffer.
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**/
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typedef
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VOID
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(EFIAPI *EFI_AP_PROCEDURE)(
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IN OUT VOID *Buffer
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);
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/**
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The SmmStartupThisAp() lets the caller to get one distinct application processor
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(AP) in the enabled processor pool to execute a caller-provided code stream
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while in SMM. It runs the given code on this processor and reports the status.
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It must be noted that the supplied code stream will be run only on an enabled
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processor which has also entered SMM.
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@param[in] Procedure A pointer to the code stream to be run on the designated AP of the system.
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@param[in] CpuNumber The zero-based index of the processor number of the AP on which the code stream is supposed to run.
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@param[in,out] ProcArguments Allow the caller to pass a list of parameters to the code that is run by the AP.
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@retval EFI_SUCCESS The call was successful and the return parameters are valid.
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@retval EFI_INVALID_PARAMETER The input arguments are out of range.
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@retval EFI_INVALID_PARAMETER The CPU requested is not available on this SMI invocation.
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@retval EFI_INVALID_PARAMETER The CPU cannot support an additional service invocation.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_STARTUP_THIS_AP)(
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IN EFI_AP_PROCEDURE Procedure,
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IN UINTN CpuNumber,
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IN OUT VOID *ProcArguments OPTIONAL
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);
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/**
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Function prototype for protocol install notification.
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@param[in] Protocol Points to the protocol's unique identifier.
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@param[in] Interface Points to the interface instance.
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@param[in] Handle The handle on which the interface was installed.
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@return Status Code
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_NOTIFY_FN)(
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IN CONST EFI_GUID *Protocol,
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IN VOID *Interface,
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IN EFI_HANDLE Handle
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);
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/**
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Register a callback function be called when a particular protocol interface is installed.
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The SmmRegisterProtocolNotify() function creates a registration Function that is to be
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called whenever a protocol interface is installed for Protocol by
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SmmInstallProtocolInterface().
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@param[in] Protocol The unique ID of the protocol for which the event is to be registered.
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@param[in] Function Points to the notification function.
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@param[out] Registration A pointer to a memory location to receive the registration value.
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@retval EFI_SUCCESS Successfully returned the registration record that has been added.
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@retval EFI_INVALID_PARAMETER One or more of Protocol, Function and Registration is NULL.
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@retval EFI_OUT_OF_RESOURCES Not enough memory resource to finish the request.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_REGISTER_PROTOCOL_NOTIFY)(
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IN CONST EFI_GUID *Protocol,
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IN EFI_SMM_NOTIFY_FN Function,
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OUT VOID **Registration
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);
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/**
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Manage SMI of a particular type.
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@param[in] HandlerType Points to the handler type or NULL for root SMI handlers.
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@param[in] Context Points to an optional context buffer.
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@param[in,out] CommBuffer Points to the optional communication buffer.
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@param[in,out] CommBufferSize Points to the size of the optional communication buffer.
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@retval EFI_SUCCESS Interrupt source was processed successfully but not quiesced.
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@retval EFI_INTERRUPT_PENDING One or more SMI sources could not be quiesced.
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@retval EFI_WARN_INTERRUPT_SOURCE_PENDING Interrupt source was not handled or quiesced.
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@retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED Interrupt source was handled and quiesced.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_INTERRUPT_MANAGE)(
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IN CONST EFI_GUID *HandlerType,
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IN CONST VOID *Context OPTIONAL,
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IN OUT VOID *CommBuffer OPTIONAL,
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IN OUT UINTN *CommBufferSize OPTIONAL
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);
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/**
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Main entry point for an SMM handler dispatch or communicate-based callback.
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@param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
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@param[in] Context Points to an optional handler context which was specified when the
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handler was registered.
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@param[in,out] CommBuffer A pointer to a collection of data in memory that will
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be conveyed from a non-SMM environment into an SMM environment.
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@param[in,out] CommBufferSize The size of the CommBuffer.
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@retval EFI_SUCCESS The interrupt was handled and quiesced. No other handlers
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should still be called.
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@retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED The interrupt has been quiesced but other handlers should
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still be called.
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@retval EFI_WARN_INTERRUPT_SOURCE_PENDING The interrupt is still pending and other handlers should still
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be called.
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@retval EFI_INTERRUPT_PENDING The interrupt could not be quiesced.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_HANDLER_ENTRY_POINT2)(
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IN EFI_HANDLE DispatchHandle,
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IN CONST VOID *Context OPTIONAL,
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IN OUT VOID *CommBuffer OPTIONAL,
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IN OUT UINTN *CommBufferSize OPTIONAL
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);
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/**
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Registers a handler to execute within SMM.
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@param[in] Handler Handler service funtion pointer.
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@param[in] HandlerType Points to the handler type or NULL for root SMI handlers.
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@param[out] DispatchHandle On return, contains a unique handle which can be used to later
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unregister the handler function.
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@retval EFI_SUCCESS SMI handler added successfully.
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@retval EFI_INVALID_PARAMETER Handler is NULL or DispatchHandle is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_INTERRUPT_REGISTER)(
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IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler,
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IN CONST EFI_GUID *HandlerType OPTIONAL,
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OUT EFI_HANDLE *DispatchHandle
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);
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/**
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Unregister a handler in SMM.
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@param[in] DispatchHandle The handle that was specified when the handler was registered.
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@retval EFI_SUCCESS Handler function was successfully unregistered.
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@retval EFI_INVALID_PARAMETER DispatchHandle does not refer to a valid handle.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_INTERRUPT_UNREGISTER)(
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IN EFI_HANDLE DispatchHandle
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);
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///
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/// Processor information and functionality needed by SMM Foundation.
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///
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typedef struct _EFI_SMM_ENTRY_CONTEXT {
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EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp;
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///
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/// A number between zero and the NumberOfCpus field. This field designates which
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/// processor is executing the SMM Foundation.
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///
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UINTN CurrentlyExecutingCpu;
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///
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/// The number of current operational processors in the platform. This is a 1 based
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/// counter. This does not indicate the number of processors that entered SMM.
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///
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UINTN NumberOfCpus;
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///
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/// Points to an array, where each element describes the number of bytes in the
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/// corresponding save state specified by CpuSaveState. There are always
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/// NumberOfCpus entries in the array.
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///
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UINTN *CpuSaveStateSize;
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///
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/// Points to an array, where each element is a pointer to a CPU save state. The
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/// corresponding element in CpuSaveStateSize specifies the number of bytes in the
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/// save state area. There are always NumberOfCpus entries in the array.
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///
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VOID **CpuSaveState;
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} EFI_SMM_ENTRY_CONTEXT;
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/**
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This function is the main entry point to the SMM Foundation.
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@param[in] SmmEntryContext Processor information and functionality needed by SMM Foundation.
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**/
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typedef
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VOID
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(EFIAPI *EFI_SMM_ENTRY_POINT)(
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IN CONST EFI_SMM_ENTRY_CONTEXT *SmmEntryContext
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);
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///
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/// System Management System Table (SMST)
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///
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/// The System Management System Table (SMST) is a table that contains a collection of common
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/// services for managing SMRAM allocation and providing basic I/O services. These services are
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/// intended for both preboot and runtime usage.
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///
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struct _EFI_SMM_SYSTEM_TABLE2 {
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///
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/// The table header for the SMST.
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///
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EFI_TABLE_HEADER Hdr;
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///
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/// A pointer to a NULL-terminated Unicode string containing the vendor name.
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/// It is permissible for this pointer to be NULL.
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///
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CHAR16 *SmmFirmwareVendor;
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///
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/// The particular revision of the firmware.
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///
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UINT32 SmmFirmwareRevision;
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EFI_SMM_INSTALL_CONFIGURATION_TABLE2 SmmInstallConfigurationTable;
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///
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/// I/O Service
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///
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EFI_SMM_CPU_IO2_PROTOCOL SmmIo;
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///
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/// Runtime memory services
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///
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EFI_ALLOCATE_POOL SmmAllocatePool;
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EFI_FREE_POOL SmmFreePool;
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EFI_ALLOCATE_PAGES SmmAllocatePages;
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EFI_FREE_PAGES SmmFreePages;
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///
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/// MP service
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///
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EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp;
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///
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/// CPU information records
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///
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///
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/// A number between zero and and the NumberOfCpus field. This field designates
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/// which processor is executing the SMM infrastructure.
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///
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UINTN CurrentlyExecutingCpu;
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///
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/// The number of current operational processors in the platform. This is a 1 based counter.
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///
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UINTN NumberOfCpus;
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///
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/// Points to an array, where each element describes the number of bytes in the
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/// corresponding save state specified by CpuSaveState. There are always
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/// NumberOfCpus entries in the array.
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///
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UINTN *CpuSaveStateSize;
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///
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/// Points to an array, where each element is a pointer to a CPU save state. The
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/// corresponding element in CpuSaveStateSize specifies the number of bytes in the
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/// save state area. There are always NumberOfCpus entries in the array.
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///
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VOID **CpuSaveState;
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///
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/// Extensibility table
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///
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///
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/// The number of UEFI Configuration Tables in the buffer SmmConfigurationTable.
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///
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UINTN NumberOfTableEntries;
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///
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/// A pointer to the UEFI Configuration Tables. The number of entries in the table is
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/// NumberOfTableEntries.
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///
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EFI_CONFIGURATION_TABLE *SmmConfigurationTable;
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///
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/// Protocol services
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///
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EFI_INSTALL_PROTOCOL_INTERFACE SmmInstallProtocolInterface;
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EFI_UNINSTALL_PROTOCOL_INTERFACE SmmUninstallProtocolInterface;
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EFI_HANDLE_PROTOCOL SmmHandleProtocol;
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EFI_SMM_REGISTER_PROTOCOL_NOTIFY SmmRegisterProtocolNotify;
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EFI_LOCATE_HANDLE SmmLocateHandle;
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EFI_LOCATE_PROTOCOL SmmLocateProtocol;
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///
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/// SMI Management functions
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///
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EFI_SMM_INTERRUPT_MANAGE SmiManage;
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EFI_SMM_INTERRUPT_REGISTER SmiHandlerRegister;
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EFI_SMM_INTERRUPT_UNREGISTER SmiHandlerUnRegister;
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};
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#define EFI_SMM_BASE2_PROTOCOL_GUID \
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{ \
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0xf4ccbfb7, 0xf6e0, 0x47fd, {0x9d, 0xd4, 0x10, 0xa8, 0xf1, 0x50, 0xc1, 0x91 } \
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}
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typedef struct _EFI_SMM_BASE2_PROTOCOL EFI_SMM_BASE2_PROTOCOL;
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/**
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Service to indicate whether the driver is currently executing in the SMM Initialization phase.
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This service is used to indicate whether the driver is currently executing in the SMM Initialization
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phase. For SMM drivers, this will return TRUE in InSmram while inside the driver's entry point and
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otherwise FALSE. For combination SMM/DXE drivers, this will return FALSE in the DXE launch. For the
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SMM launch, it behaves as an SMM driver.
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@param[in] This The EFI_SMM_BASE2_PROTOCOL instance.
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@param[out] InSmram Pointer to a Boolean which, on return, indicates that the driver is
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currently executing inside of SMRAM (TRUE) or outside of SMRAM (FALSE).
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@retval EFI_SUCCESS The call returned successfully.
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@retval EFI_INVALID_PARAMETER InSmram was NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_INSIDE_OUT2)(
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IN CONST EFI_SMM_BASE2_PROTOCOL *This,
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OUT BOOLEAN *InSmram
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)
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;
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/**
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Returns the location of the System Management Service Table (SMST).
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This function returns the location of the System Management Service Table (SMST). The use of the
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API is such that a driver can discover the location of the SMST in its entry point and then cache it in
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some driver global variable so that the SMST can be invoked in subsequent handlers.
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@param[in] This The EFI_SMM_BASE2_PROTOCOL instance.
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@param[in,out] Smst On return, points to a pointer to the System Management Service Table (SMST).
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@retval EFI_SUCCESS The operation was successful.
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@retval EFI_INVALID_PARAMETER Smst was invalid.
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@retval EFI_UNSUPPORTED Not in SMM.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SMM_GET_SMST_LOCATION2)(
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IN CONST EFI_SMM_BASE2_PROTOCOL *This,
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IN OUT EFI_SMM_SYSTEM_TABLE2 **Smst
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)
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;
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///
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/// EFI SMM Base2 Protocol is utilized by all SMM drivers to locate the SMM infrastructure
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/// services and determine whether the driver is being invoked inside SMRAM or outside of SMRAM.
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///
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struct _EFI_SMM_BASE2_PROTOCOL {
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EFI_SMM_INSIDE_OUT2 InSmm;
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EFI_SMM_GET_SMST_LOCATION2 GetSmstLocation;
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};
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#endif
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