/** @file | |
Common definitions in the Platform Initialization Specification version 1.4a | |
VOLUME 4 System Management Mode Core Interface version. | |
Copyright (c) 2009 - 2016, 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_SMMCIS_H_ | |
#define _PI_SMMCIS_H_ | |
#include <Pi/PiMultiPhase.h> | |
#include <Protocol/SmmCpuIo2.h> | |
typedef struct _EFI_SMM_SYSTEM_TABLE2 EFI_SMM_SYSTEM_TABLE2; | |
/// | |
/// The System Management System Table (SMST) signature | |
/// | |
#define SMM_SMST_SIGNATURE SIGNATURE_32 ('S', 'M', 'S', 'T') | |
/// | |
/// The System Management System Table (SMST) revision is 1.4 | |
/// | |
#define SMM_SPECIFICATION_MAJOR_REVISION 1 | |
#define SMM_SPECIFICATION_MINOR_REVISION 40 | |
#define EFI_SMM_SYSTEM_TABLE2_REVISION ((SMM_SPECIFICATION_MAJOR_REVISION<<16) | (SMM_SPECIFICATION_MINOR_REVISION)) | |
/** | |
Adds, updates, or removes a configuration table entry from the System Management System Table. | |
The SmmInstallConfigurationTable() function is used to maintain the list | |
of configuration tables that are stored in the System Management 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 SMM System Table (SMST). | |
@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_SMM_INSTALL_CONFIGURATION_TABLE2)( | |
IN CONST EFI_SMM_SYSTEM_TABLE2 *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 SMM. | |
@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_SMM_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_SMM_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 SmmRegisterProtocolNotify() function creates a registration Function that is to be | |
called whenever a protocol interface is installed for Protocol by | |
SmmInstallProtocolInterface(). | |
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_SMM_REGISTER_PROTOCOL_NOTIFY)( | |
IN CONST EFI_GUID *Protocol, | |
IN EFI_SMM_NOTIFY_FN Function, | |
OUT VOID **Registration | |
); | |
/** | |
Manage SMI of a particular type. | |
@param[in] HandlerType Points to the handler type or NULL for root SMI 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_SMM_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 SMM handler dispatch or communicate-based callback. | |
@param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister(). | |
@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-SMM environment into an SMM 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_SMM_HANDLER_ENTRY_POINT2)( | |
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 SMM. | |
@param[in] Handler Handler service function pointer. | |
@param[in] HandlerType Points to the handler type or NULL for root SMI handlers. | |
@param[out] DispatchHandle On return, contains a unique handle which can be used to later | |
unregister the handler function. | |
@retval EFI_SUCCESS SMI handler added successfully. | |
@retval EFI_INVALID_PARAMETER Handler is NULL or DispatchHandle is NULL. | |
**/ | |
typedef | |
EFI_STATUS | |
(EFIAPI *EFI_SMM_INTERRUPT_REGISTER)( | |
IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler, | |
IN CONST EFI_GUID *HandlerType OPTIONAL, | |
OUT EFI_HANDLE *DispatchHandle | |
); | |
/** | |
Unregister a handler in SMM. | |
@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_SMM_INTERRUPT_UNREGISTER)( | |
IN EFI_HANDLE DispatchHandle | |
); | |
/// | |
/// Processor information and functionality needed by SMM Foundation. | |
/// | |
typedef struct _EFI_SMM_ENTRY_CONTEXT { | |
EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp; | |
/// | |
/// A number between zero and the NumberOfCpus field. This field designates which | |
/// processor is executing the SMM 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 SMM. | |
/// | |
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_SMM_ENTRY_CONTEXT; | |
/** | |
This function is the main entry point to the SMM Foundation. | |
@param[in] SmmEntryContext Processor information and functionality needed by SMM Foundation. | |
**/ | |
typedef | |
VOID | |
(EFIAPI *EFI_SMM_ENTRY_POINT)( | |
IN CONST EFI_SMM_ENTRY_CONTEXT *SmmEntryContext | |
); | |
/// | |
/// System Management System Table (SMST) | |
/// | |
/// The System Management System Table (SMST) is a table that contains a collection of common | |
/// services for managing SMRAM allocation and providing basic I/O services. These services are | |
/// intended for both preboot and runtime usage. | |
/// | |
struct _EFI_SMM_SYSTEM_TABLE2 { | |
/// | |
/// 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 *SmmFirmwareVendor; | |
/// | |
/// The particular revision of the firmware. | |
/// | |
UINT32 SmmFirmwareRevision; | |
EFI_SMM_INSTALL_CONFIGURATION_TABLE2 SmmInstallConfigurationTable; | |
/// | |
/// I/O Service | |
/// | |
EFI_SMM_CPU_IO2_PROTOCOL SmmIo; | |
/// | |
/// Runtime memory services | |
/// | |
EFI_ALLOCATE_POOL SmmAllocatePool; | |
EFI_FREE_POOL SmmFreePool; | |
EFI_ALLOCATE_PAGES SmmAllocatePages; | |
EFI_FREE_PAGES SmmFreePages; | |
/// | |
/// MP service | |
/// | |
EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp; | |
/// | |
/// CPU information records | |
/// | |
/// | |
/// A number between zero and and the NumberOfCpus field. This field designates | |
/// which processor is executing the SMM 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 SmmConfigurationTable. | |
/// | |
UINTN NumberOfTableEntries; | |
/// | |
/// A pointer to the UEFI Configuration Tables. The number of entries in the table is | |
/// NumberOfTableEntries. | |
/// | |
EFI_CONFIGURATION_TABLE *SmmConfigurationTable; | |
/// | |
/// Protocol services | |
/// | |
EFI_INSTALL_PROTOCOL_INTERFACE SmmInstallProtocolInterface; | |
EFI_UNINSTALL_PROTOCOL_INTERFACE SmmUninstallProtocolInterface; | |
EFI_HANDLE_PROTOCOL SmmHandleProtocol; | |
EFI_SMM_REGISTER_PROTOCOL_NOTIFY SmmRegisterProtocolNotify; | |
EFI_LOCATE_HANDLE SmmLocateHandle; | |
EFI_LOCATE_PROTOCOL SmmLocateProtocol; | |
/// | |
/// SMI Management functions | |
/// | |
EFI_SMM_INTERRUPT_MANAGE SmiManage; | |
EFI_SMM_INTERRUPT_REGISTER SmiHandlerRegister; | |
EFI_SMM_INTERRUPT_UNREGISTER SmiHandlerUnRegister; | |
}; | |
#endif |