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audk/IntelFrameworkPkg/Include/Framework/SmmCis.h

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/** @file
Include file for definitions in the Intel Platform Innovation Framework for EFI
System Management Mode Core Interface Specification (SMM CIS) version 0.90.
Copyright (c) 2007 - 2009, 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.
**/
#ifndef _SMM_CIS_H_
#define _SMM_CIS_H_
//
// Share some common definitions with PI SMM
//
#include <Pi/PiSmmCis.h>
#include <Protocol/SmmCpuIo.h>
#define EFI_SMM_CPU_IO_GUID \
{ \
0x5f439a0b, 0x45d8, 0x4682, {0xa4, 0xf4, 0xf0, 0x57, 0x6b, 0x51, 0x34, 0x41 } \
}
typedef struct _EFI_SMM_SYSTEM_TABLE EFI_SMM_SYSTEM_TABLE;
typedef struct _EFI_SMM_CPU_IO_INTERFACE EFI_SMM_CPU_IO_INTERFACE;
//
// SMM Base specification constant and types
//
#define EFI_SMM_SYSTEM_TABLE_REVISION (0 << 16) | (0x09)
/**
Provides the basic memory and I/O interfaces that are used to
abstract accesses to devices.
@param This The EFI_SMM_CPU_IO_INTERFACE instance.
@param Width Signifies the width of the I/O operations.
@param Address The base address of the I/O operations.
@param Count The number of I/O operations to perform.
@param Buffer For read operations, the destination buffer to store the results (out parameter).
For write operations, the source buffer from which to write data (in parameter).
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_UNSUPPORTED The Address is not valid for this system.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_CPU_IO)(
IN EFI_SMM_CPU_IO_INTERFACE *This,
IN EFI_SMM_IO_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
);
typedef struct {
EFI_SMM_CPU_IO Read; ///< This service provides the various modalities of memory and I/O read.
EFI_SMM_CPU_IO Write; ///< This service provides the various modalities of memory and I/O write.
} EFI_SMM_IO_ACCESS;
///
/// The EFI_SMM_CPU_IO_INTERFACE service provides the basic memory, I/O, and PCI
/// interfaces that are used to abstract accesses to devices.
///
struct _EFI_SMM_CPU_IO_INTERFACE {
///
/// Allows reads and writes to memory-mapped I/O space.
///
EFI_SMM_IO_ACCESS Mem;
///
/// Allows reads and writes to I/O space.
///
EFI_SMM_IO_ACCESS Io;
};
/**
Allocates pool memory from SMRAM for IA-32 or runtime memory for
the Itanium processor family.
@param PoolType The type of pool to allocate. The only supported type is EfiRuntimeServicesData
@param Size The number of bytes to allocate from the pool.
@param Buffer A pointer to a pointer to the allocated buffer if the call
succeeds; undefined otherwise.
@retval EFI_SUCCESS The requested number of bytes was allocated.
@retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.
@retval EFI_UNSUPPORTED In runtime.
@note: Inconsistent with specification here:
In Framework Spec, this definition is named EFI_SMM_ALLOCATE_POOL.
To avoid a naming conflict, the definition is renamed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMMCORE_ALLOCATE_POOL)(
IN EFI_MEMORY_TYPE PoolType,
IN UINTN Size,
OUT VOID **Buffer
);
/**
Returns pool memory to the system.
@param Buffer Pointer to the buffer to free.
@retval EFI_SUCCESS The memory was returned to the system.
@retval EFI_INVALID_PARAMETER Buffer was invalid.
@retval EFI_UNSUPPORTED In runtime.
@note: Inconsistent with specification here:
In Framework Spec, this definition is named EFI_SMM_FREE_POOL.
To avoid a naming conflict, the definition is renamed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMMCORE_FREE_POOL)(
IN VOID *Buffer
);
/**
Allocates memory pages from the system.
@param Type The type of allocation to perform.
@param MemoryType The only supported type is EfiRuntimeServicesData
@param NumberofPages The number of contiguous 4 KB pages to allocate
@param Memory Pointer to a physical address. On input, the way in which
the address is used depends on the value of Type. On output, the address
is set to the base of the page range that was allocated.
@retval EFI_SUCCESS The requested pages were allocated.
@retval EFI_OUT_OF_RESOURCES The pages requested could not be allocated.
@retval EFI_NOT_FOUND The requested pages could not be found.
@retval EFI_INVALID_PARAMETER Type is not AllocateAnyPages or AllocateMaxAddress
or AllocateAddress. Or MemoryType is in the range EfiMaxMemoryType..0x7FFFFFFF.
@note: Inconsistent with specification here:
In the Framework Spec, this definition is named EFI_SMM_ALLOCATE_PAGES.
To avoid a naming conflict, the definition here is renamed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMMCORE_ALLOCATE_PAGES)(
IN EFI_ALLOCATE_TYPE Type,
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN NumberOfPages,
OUT EFI_PHYSICAL_ADDRESS *Memory
);
/**
Frees memory pages for the system.
@param Memory The base physical address of the pages to be freed
@param NumberOfPages The number of contiguous 4 KB pages to free.
@retval EFI_SUCCESS The requested memory pages were freed.
@retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or NumberOfPages is invalid.
@retval EFI_NOT_FOUND The requested memory pages were not allocated with SmmAllocatePages().
@note: Inconsistent with specification here:
In the Framework Spec, this definition is named EFI_SMM_FREE_PAGES.
To avoid a naming conflict, the definition here is renamed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMMCORE_FREE_PAGES)(
IN EFI_PHYSICAL_ADDRESS Memory,
IN UINTN NumberOfPages
);
///
/// The processor save-state information for IA-32 processors. This information is important in that the
/// SMM drivers may need to ascertain the state of the processor before invoking the SMI.
///
typedef struct {
///
/// Reserved for future processors. As such, software should not attempt to interpret or
/// write to this region.
///
UINT8 Reserved1[248];
///
/// The location of the processor SMBASE, which is the location where the processor
/// will pass control upon receipt of an SMI.
///
UINT32 SMBASE;
///
/// The revision of the SMM save state. This value is set by the processor.
///
UINT32 SMMRevId;
///
/// The value of the I/O restart field. Allows for restarting an in-process I/O instruction.
///
UINT16 IORestart;
///
/// Describes behavior that should be commenced in response to a halt instruction.
///
UINT16 AutoHALTRestart;
///
/// Reserved for future processors. As such, software should not attempt to interpret or
/// write to this region.
///
UINT8 Reserved2[164];
//
// Registers in IA-32 processors.
//
UINT32 ES;
UINT32 CS;
UINT32 SS;
UINT32 DS;
UINT32 FS;
UINT32 GS;
UINT32 LDTBase;
UINT32 TR;
UINT32 DR7;
UINT32 DR6;
UINT32 EAX;
UINT32 ECX;
UINT32 EDX;
UINT32 EBX;
UINT32 ESP;
UINT32 EBP;
UINT32 ESI;
UINT32 EDI;
UINT32 EIP;
UINT32 EFLAGS;
UINT32 CR3;
UINT32 CR0;
} EFI_SMI_CPU_SAVE_STATE;
///
/// The processor save-state information for the Itanium processor family. This information is
/// important in that the SMM drivers may need to ascertain the state of the processor before invoking
/// the PMI. This structure is mandatory and must be 512 byte aligned.
///
typedef struct {
UINT64 reserved;
UINT64 r1;
UINT64 r2;
UINT64 r3;
UINT64 r4;
UINT64 r5;
UINT64 r6;
UINT64 r7;
UINT64 r8;
UINT64 r9;
UINT64 r10;
UINT64 r11;
UINT64 r12;
UINT64 r13;
UINT64 r14;
UINT64 r15;
UINT64 r16;
UINT64 r17;
UINT64 r18;
UINT64 r19;
UINT64 r20;
UINT64 r21;
UINT64 r22;
UINT64 r23;
UINT64 r24;
UINT64 r25;
UINT64 r26;
UINT64 r27;
UINT64 r28;
UINT64 r29;
UINT64 r30;
UINT64 r31;
UINT64 pr;
UINT64 b0;
UINT64 b1;
UINT64 b2;
UINT64 b3;
UINT64 b4;
UINT64 b5;
UINT64 b6;
UINT64 b7;
// application registers
UINT64 ar_rsc;
UINT64 ar_bsp;
UINT64 ar_bspstore;
UINT64 ar_rnat;
UINT64 ar_fcr;
UINT64 ar_eflag;
UINT64 ar_csd;
UINT64 ar_ssd;
UINT64 ar_cflg;
UINT64 ar_fsr;
UINT64 ar_fir;
UINT64 ar_fdr;
UINT64 ar_ccv;
UINT64 ar_unat;
UINT64 ar_fpsr;
UINT64 ar_pfs;
UINT64 ar_lc;
UINT64 ar_ec;
// control registers
UINT64 cr_dcr;
UINT64 cr_itm;
UINT64 cr_iva;
UINT64 cr_pta;
UINT64 cr_ipsr;
UINT64 cr_isr;
UINT64 cr_iip;
UINT64 cr_ifa;
UINT64 cr_itir;
UINT64 cr_iipa;
UINT64 cr_ifs;
UINT64 cr_iim;
UINT64 cr_iha;
// debug registers
UINT64 dbr0;
UINT64 dbr1;
UINT64 dbr2;
UINT64 dbr3;
UINT64 dbr4;
UINT64 dbr5;
UINT64 dbr6;
UINT64 dbr7;
UINT64 ibr0;
UINT64 ibr1;
UINT64 ibr2;
UINT64 ibr3;
UINT64 ibr4;
UINT64 ibr5;
UINT64 ibr6;
UINT64 ibr7;
// virtual registers
UINT64 int_nat; // nat bits for R1-R31
} EFI_PMI_SYSTEM_CONTEXT;
///
/// The processor save-state information for IA-32 and Itanium processors. This information is
/// important in that the SMM drivers may need to ascertain the state of the processor before invoking
/// the SMI or PMI.
///
typedef union {
///
/// The processor save-state information for IA-32 processors.
///
EFI_SMI_CPU_SAVE_STATE Ia32SaveState;
///
/// The processor save-state information for Itanium processors.
///
EFI_PMI_SYSTEM_CONTEXT ItaniumSaveState;
} EFI_SMM_CPU_SAVE_STATE;
///
/// The optional floating point save-state information for IA-32 processors. If the optional floating
/// point save is indicated for any handler, the following data structure must be preserved.
///
typedef struct {
UINT16 Fcw;
UINT16 Fsw;
UINT16 Ftw;
UINT16 Opcode;
UINT32 Eip;
UINT16 Cs;
UINT16 Rsvd1;
UINT32 DataOffset;
UINT16 Ds;
UINT8 Rsvd2[10];
UINT8 St0Mm0[10], Rsvd3[6];
UINT8 St0Mm1[10], Rsvd4[6];
UINT8 St0Mm2[10], Rsvd5[6];
UINT8 St0Mm3[10], Rsvd6[6];
UINT8 St0Mm4[10], Rsvd7[6];
UINT8 St0Mm5[10], Rsvd8[6];
UINT8 St0Mm6[10], Rsvd9[6];
UINT8 St0Mm7[10], Rsvd10[6];
UINT8 Rsvd11[22*16];
} EFI_SMI_OPTIONAL_FPSAVE_STATE;
///
/// The optional floating point save-state information for the Itanium processor family. If the optional
/// floating point save is indicated for any handler, then this data structure must be preserved.
///
typedef struct {
UINT64 f2[2];
UINT64 f3[2];
UINT64 f4[2];
UINT64 f5[2];
UINT64 f6[2];
UINT64 f7[2];
UINT64 f8[2];
UINT64 f9[2];
UINT64 f10[2];
UINT64 f11[2];
UINT64 f12[2];
UINT64 f13[2];
UINT64 f14[2];
UINT64 f15[2];
UINT64 f16[2];
UINT64 f17[2];
UINT64 f18[2];
UINT64 f19[2];
UINT64 f20[2];
UINT64 f21[2];
UINT64 f22[2];
UINT64 f23[2];
UINT64 f24[2];
UINT64 f25[2];
UINT64 f26[2];
UINT64 f27[2];
UINT64 f28[2];
UINT64 f29[2];
UINT64 f30[2];
UINT64 f31[2];
} EFI_PMI_OPTIONAL_FLOATING_POINT_CONTEXT;
///
/// The processor save-state information for IA-32 and Itanium processors. If the optional floating
/// point save is indicated for any handler, then this data structure must be preserved.
///
typedef union {
///
/// The optional floating point save-state information for IA-32 processors.
///
EFI_SMI_OPTIONAL_FPSAVE_STATE Ia32FpSave;
///
/// The optional floating point save-state information for Itanium processors.
///
EFI_PMI_OPTIONAL_FLOATING_POINT_CONTEXT ItaniumFpSave;
} EFI_SMM_FLOATING_POINT_SAVE_STATE;
/**
This function is the main entry point for an SMM handler dispatch
or communicate-based callback.
@param SmmImageHandle A unique value returned by the SMM infrastructure
in response to registration for a communicate-based callback or dispatch.
@param CommunicationBuffer
An optional buffer that will be populated
by the SMM infrastructure in response to a non-SMM agent (preboot or runtime)
invoking the EFI_SMM_BASE_PROTOCOL.Communicate() service.
@param SourceSize If CommunicationBuffer is non-NULL, this field
indicates the size of the data payload in this buffer.
@return Status Code
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_HANDLER_ENTRY_POINT)(
IN EFI_HANDLE SmmImageHandle,
IN OUT VOID *CommunicationBuffer OPTIONAL,
IN OUT UINTN *SourceSize OPTIONAL
);
/**
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 SystemTable A pointer to the SMM System Table.
@param Guid A pointer to the GUID for the entry to add, update, or remove.
@param Table A pointer to the buffer of the table to add.
@param 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_TABLE)(
IN EFI_SMM_SYSTEM_TABLE *SystemTable,
IN EFI_GUID *Guid,
IN VOID *Table,
IN UINTN TableSize
);
//
// System Management System Table (SMST)
//
struct _EFI_SMM_SYSTEM_TABLE {
///
/// The table header for the System Management System Table (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;
///
/// Adds, updates, or removes a configuration table entry from the SMST.
///
EFI_SMM_INSTALL_CONFIGURATION_TABLE SmmInstallConfigurationTable;
//
// I/O Services
//
///
/// A GUID that designates the particular CPU I/O services.
///
EFI_GUID EfiSmmCpuIoGuid;
///
/// Provides the basic memory and I/O interfaces that are used to abstract accesses to
/// devices.
///
EFI_SMM_CPU_IO_INTERFACE SmmIo;
//
// Runtime memory service
//
///
///
/// Allocates pool memory from SMRAM for IA-32 or runtime memory for the
/// Itanium processor family.
///
EFI_SMMCORE_ALLOCATE_POOL SmmAllocatePool;
///
/// Returns pool memory to the system.
///
EFI_SMMCORE_FREE_POOL SmmFreePool;
///
/// Allocates memory pages from the system.
///
EFI_SMMCORE_ALLOCATE_PAGES SmmAllocatePages;
///
/// Frees memory pages for the system.
///
EFI_SMMCORE_FREE_PAGES SmmFreePages;
//
// MP service
//
///Inconsistent with specification here:
/// In Framework Spec, this definition does not exist. This method is introduced in PI1.1 spec for
/// implementation needed.
EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp;
//
// CPU information records
//
///
/// A 1-relative number between 1 and the NumberOfCpus field. This field designates
/// which processor is executing the SMM infrastructure. This number also serves as an
/// index into the CpuSaveState and CpuOptionalFloatingPointState
/// fields.
///
UINTN CurrentlyExecutingCpu;
///
/// The number of EFI Configuration Tables in the buffer
/// SmmConfigurationTable.
///
UINTN NumberOfCpus;
///
/// A pointer to the EFI Configuration Tables. The number of entries in the table is
/// NumberOfTableEntries.
///
EFI_SMM_CPU_SAVE_STATE *CpuSaveState;
///
/// A pointer to a catenation of the EFI_SMM_FLOATING_POINT_SAVE_STATE.
/// The size of this entire table is NumberOfCpus* size of the
/// EFI_SMM_FLOATING_POINT_SAVE_STATE. These fields are populated only if
/// there is at least one SMM driver that has registered for a callback with the
/// FloatingPointSave field in EFI_SMM_BASE_PROTOCOL.RegisterCallback() set to TRUE.
///
EFI_SMM_FLOATING_POINT_SAVE_STATE *CpuOptionalFloatingPointState;
//
// Extensibility table
//
///
/// The number of EFI Configuration Tables in the buffer
/// SmmConfigurationTable.
///
UINTN NumberOfTableEntries;
///
/// A pointer to the EFI Configuration Tables. The number of entries in the table is
/// NumberOfTableEntries.
///
EFI_CONFIGURATION_TABLE *SmmConfigurationTable;
};
#endif
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