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/** @file
Common definitions in the Platform Initialization Specification version 1.5
VOLUME 4 Management Mode Core Interface version.
Copyright (c) 2017, 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 _PI_MMCIS_H_
#define _PI_MMCIS_H_
#include <Pi/PiMultiPhase.h>
#include <Protocol/MmCpuIo.h>
typedef struct _EFI_MM_SYSTEM_TABLE EFI_MM_SYSTEM_TABLE;
///
/// The Management Mode System Table (MMST) signature
///
#define MM_MMST_SIGNATURE SIGNATURE_32 ('S', 'M', 'S', 'T')
///
/// The Management Mode System Table (MMST) revision is 1.6
///
#define MM_SPECIFICATION_MAJOR_REVISION 1
#define MM_SPECIFICATION_MINOR_REVISION 60
#define EFI_MM_SYSTEM_TABLE_REVISION ((MM_SPECIFICATION_MAJOR_REVISION<<16) | (MM_SPECIFICATION_MINOR_REVISION))
/**
Adds, updates, or removes a configuration table entry from the Management Mode System Table.
The MmInstallConfigurationTable() function is used to maintain the list
of configuration tables that are stored in the Management Mode System
Table. The list is stored as an array of (GUID, Pointer) pairs. The list
must be allocated from pool memory with PoolType set to EfiRuntimeServicesData.
@param[in] SystemTable A pointer to the MM System Table (MMST).
@param[in] Guid A pointer to the GUID for the entry to add, update, or remove.
@param[in] Table A pointer to the buffer of the table to add.
@param[in] TableSize The size of the table to install.
@retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.
@retval EFI_INVALID_PARAMETER Guid is not valid.
@retval EFI_NOT_FOUND An attempt was made to delete a non-existent entry.
@retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_INSTALL_CONFIGURATION_TABLE)(
IN CONST EFI_MM_SYSTEM_TABLE *SystemTable,
IN CONST EFI_GUID *Guid,
IN VOID *Table,
IN UINTN TableSize
);
/**
This service lets the caller to get one distinct application processor (AP) to execute
a caller-provided code stream while in MM.
@param[in] Procedure A pointer to the code stream to be run on the designated
AP of the system.
@param[in] CpuNumber The zero-based index of the processor number of the AP
on which the code stream is supposed to run.
@param[in,out] ProcArguments Allows the caller to pass a list of parameters to the code
that is run by the AP.
@retval EFI_SUCCESS The call was successful and the return parameters are valid.
@retval EFI_INVALID_PARAMETER The input arguments are out of range.
@retval EFI_INVALID_PARAMETER The CPU requested is not available on this SMI invocation.
@retval EFI_INVALID_PARAMETER The CPU cannot support an additional service invocation.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_STARTUP_THIS_AP)(
IN EFI_AP_PROCEDURE Procedure,
IN UINTN CpuNumber,
IN OUT VOID *ProcArguments OPTIONAL
);
/**
Function prototype for protocol install notification.
@param[in] Protocol Points to the protocol's unique identifier.
@param[in] Interface Points to the interface instance.
@param[in] Handle The handle on which the interface was installed.
@return Status Code
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_NOTIFY_FN)(
IN CONST EFI_GUID *Protocol,
IN VOID *Interface,
IN EFI_HANDLE Handle
);
/**
Register a callback function be called when a particular protocol interface is installed.
The MmRegisterProtocolNotify() function creates a registration Function that is to be
called whenever a protocol interface is installed for Protocol by
MmInstallProtocolInterface().
If Function == NULL and Registration is an existing registration, then the callback is unhooked.
@param[in] Protocol The unique ID of the protocol for which the event is to be registered.
@param[in] Function Points to the notification function.
@param[out] Registration A pointer to a memory location to receive the registration value.
@retval EFI_SUCCESS Successfully returned the registration record
that has been added or unhooked.
@retval EFI_INVALID_PARAMETER Protocol is NULL or Registration is NULL.
@retval EFI_OUT_OF_RESOURCES Not enough memory resource to finish the request.
@retval EFI_NOT_FOUND If the registration is not found when Function == NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_REGISTER_PROTOCOL_NOTIFY)(
IN CONST EFI_GUID *Protocol,
IN EFI_MM_NOTIFY_FN Function,
OUT VOID **Registration
);
/**
Manage MMI of a particular type.
@param[in] HandlerType Points to the handler type or NULL for root MMI handlers.
@param[in] Context Points to an optional context buffer.
@param[in,out] CommBuffer Points to the optional communication buffer.
@param[in,out] CommBufferSize Points to the size of the optional communication buffer.
@retval EFI_WARN_INTERRUPT_SOURCE_PENDING Interrupt source was processed successfully but not quiesced.
@retval EFI_INTERRUPT_PENDING One or more SMI sources could not be quiesced.
@retval EFI_NOT_FOUND Interrupt source was not handled or quiesced.
@retval EFI_SUCCESS Interrupt source was handled and quiesced.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_INTERRUPT_MANAGE)(
IN CONST EFI_GUID *HandlerType,
IN CONST VOID *Context OPTIONAL,
IN OUT VOID *CommBuffer OPTIONAL,
IN OUT UINTN *CommBufferSize OPTIONAL
);
/**
Main entry point for an MM handler dispatch or communicate-based callback.
@param[in] DispatchHandle The unique handle assigned to this handler by MmiHandlerRegister().
@param[in] Context Points to an optional handler context which was specified when the
handler was registered.
@param[in,out] CommBuffer A pointer to a collection of data in memory that will
be conveyed from a non-MM environment into an MM environment.
@param[in,out] CommBufferSize The size of the CommBuffer.
@retval EFI_SUCCESS The interrupt was handled and quiesced. No other handlers
should still be called.
@retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED The interrupt has been quiesced but other handlers should
still be called.
@retval EFI_WARN_INTERRUPT_SOURCE_PENDING The interrupt is still pending and other handlers should still
be called.
@retval EFI_INTERRUPT_PENDING The interrupt could not be quiesced.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_HANDLER_ENTRY_POINT)(
IN EFI_HANDLE DispatchHandle,
IN CONST VOID *Context OPTIONAL,
IN OUT VOID *CommBuffer OPTIONAL,
IN OUT UINTN *CommBufferSize OPTIONAL
);
/**
Registers a handler to execute within MM.
@param[in] Handler Handler service function pointer.
@param[in] HandlerType Points to the handler type or NULL for root MMI handlers.
@param[out] DispatchHandle On return, contains a unique handle which can be used to later
unregister the handler function.
@retval EFI_SUCCESS MMI handler added successfully.
@retval EFI_INVALID_PARAMETER Handler is NULL or DispatchHandle is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_INTERRUPT_REGISTER)(
IN EFI_MM_HANDLER_ENTRY_POINT Handler,
IN CONST EFI_GUID *HandlerType OPTIONAL,
OUT EFI_HANDLE *DispatchHandle
);
/**
Unregister a handler in MM.
@param[in] DispatchHandle The handle that was specified when the handler was registered.
@retval EFI_SUCCESS Handler function was successfully unregistered.
@retval EFI_INVALID_PARAMETER DispatchHandle does not refer to a valid handle.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_MM_INTERRUPT_UNREGISTER)(
IN EFI_HANDLE DispatchHandle
);
///
/// Processor information and functionality needed by MM Foundation.
///
typedef struct _EFI_MM_ENTRY_CONTEXT {
EFI_MM_STARTUP_THIS_AP MmStartupThisAp;
///
/// A number between zero and the NumberOfCpus field. This field designates which
/// processor is executing the MM Foundation.
///
UINTN CurrentlyExecutingCpu;
///
/// The number of possible processors in the platform. This is a 1 based
/// counter. This does not indicate the number of processors that entered MM.
///
UINTN NumberOfCpus;
///
/// Points to an array, where each element describes the number of bytes in the
/// corresponding save state specified by CpuSaveState. There are always
/// NumberOfCpus entries in the array.
///
UINTN *CpuSaveStateSize;
///
/// Points to an array, where each element is a pointer to a CPU save state. The
/// corresponding element in CpuSaveStateSize specifies the number of bytes in the
/// save state area. There are always NumberOfCpus entries in the array.
///
VOID **CpuSaveState;
} EFI_MM_ENTRY_CONTEXT;
/**
This function is the main entry point to the MM Foundation.
@param[in] MmEntryContext Processor information and functionality needed by MM Foundation.
**/
typedef
VOID
(EFIAPI *EFI_MM_ENTRY_POINT)(
IN CONST EFI_MM_ENTRY_CONTEXT *MmEntryContext
);
///
/// Management Mode System Table (MMST)
///
/// The Management Mode System Table (MMST) is a table that contains a collection of common
/// services for managing MMRAM allocation and providing basic I/O services. These services are
/// intended for both preboot and runtime usage.
///
struct _EFI_MM_SYSTEM_TABLE {
///
/// The table header for the SMST.
///
EFI_TABLE_HEADER Hdr;
///
/// A pointer to a NULL-terminated Unicode string containing the vendor name.
/// It is permissible for this pointer to be NULL.
///
CHAR16 *MmFirmwareVendor;
///
/// The particular revision of the firmware.
///
UINT32 MmFirmwareRevision;
EFI_MM_INSTALL_CONFIGURATION_TABLE MmInstallConfigurationTable;
///
/// I/O Service
///
EFI_MM_CPU_IO_PROTOCOL MmIo;
///
/// Runtime memory services
///
EFI_ALLOCATE_POOL MmAllocatePool;
EFI_FREE_POOL MmFreePool;
EFI_ALLOCATE_PAGES MmAllocatePages;
EFI_FREE_PAGES MmFreePages;
///
/// MP service
///
EFI_MM_STARTUP_THIS_AP MmStartupThisAp;
///
/// CPU information records
///
///
/// A number between zero and and the NumberOfCpus field. This field designates
/// which processor is executing the MM infrastructure.
///
UINTN CurrentlyExecutingCpu;
///
/// The number of possible processors in the platform. This is a 1 based counter.
///
UINTN NumberOfCpus;
///
/// Points to an array, where each element describes the number of bytes in the
/// corresponding save state specified by CpuSaveState. There are always
/// NumberOfCpus entries in the array.
///
UINTN *CpuSaveStateSize;
///
/// Points to an array, where each element is a pointer to a CPU save state. The
/// corresponding element in CpuSaveStateSize specifies the number of bytes in the
/// save state area. There are always NumberOfCpus entries in the array.
///
VOID **CpuSaveState;
///
/// Extensibility table
///
///
/// The number of UEFI Configuration Tables in the buffer MmConfigurationTable.
///
UINTN NumberOfTableEntries;
///
/// A pointer to the UEFI Configuration Tables. The number of entries in the table is
/// NumberOfTableEntries.
///
EFI_CONFIGURATION_TABLE *MmConfigurationTable;
///
/// Protocol services
///
EFI_INSTALL_PROTOCOL_INTERFACE MmInstallProtocolInterface;
EFI_UNINSTALL_PROTOCOL_INTERFACE MmUninstallProtocolInterface;
EFI_HANDLE_PROTOCOL MmHandleProtocol;
EFI_MM_REGISTER_PROTOCOL_NOTIFY MmRegisterProtocolNotify;
EFI_LOCATE_HANDLE MmLocateHandle;
EFI_LOCATE_PROTOCOL MmLocateProtocol;
///
/// MMI Management functions
///
EFI_MM_INTERRUPT_MANAGE MmiManage;
EFI_MM_INTERRUPT_REGISTER MmiHandlerRegister;
EFI_MM_INTERRUPT_UNREGISTER MmiHandlerUnRegister;
};
#endif