/** @file\r
- Include file matches things in the Smm CIS spec.\r
+ Include file for definitions in the Intel Platform Innovation Framework for EFI\r
+ System Management Mode Core Interface Specification (SMM CIS) version 0.91.\r
\r
- Copyright (c) 2007, Intel Corporation\r
- All rights reserved. This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
- Module Name: FrameworkSmmCis.h\r
-\r
- @par Revision Reference:\r
- Version 0.9.\r
+Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
-#ifndef _FRAMEWORK_SMM_CIS_H_\r
-#define _FRAMEWORK_SMM_CIS_H_\r
+#ifndef _SMM_CIS_H_\r
+#define _SMM_CIS_H_\r
\r
-#include <Framework/DxeCis.h>\r
-\r
-#define EFI_SMM_CPU_IO_GUID \\r
- { \\r
- 0x5f439a0b, 0x45d8, 0x4682, {0xa4, 0xf4, 0xf0, 0x57, 0x6b, 0x51, 0x34, 0x41 } \\r
- }\r
+//\r
+// Share some common definitions with PI SMM\r
+//\r
+#include <Pi/PiSmmCis.h>\r
+#include <Protocol/SmmCpuIo.h>\r
\r
typedef struct _EFI_SMM_SYSTEM_TABLE EFI_SMM_SYSTEM_TABLE;\r
-typedef struct _EFI_SMM_CPU_IO_INTERFACE EFI_SMM_CPU_IO_INTERFACE;\r
-\r
\r
//\r
// SMM Base specification constant and types\r
//\r
-#define SMM_SMST_SIGNATURE EFI_SIGNATURE_32 ('S', 'M', 'S', 'T')\r
#define EFI_SMM_SYSTEM_TABLE_REVISION (0 << 16) | (0x09)\r
\r
-//\r
-// *******************************************************\r
-// EFI_SMM_IO_WIDTH\r
-// *******************************************************\r
-//\r
-typedef enum {\r
- SMM_IO_UINT8 = 0,\r
- SMM_IO_UINT16 = 1,\r
- SMM_IO_UINT32 = 2,\r
- SMM_IO_UINT64 = 3\r
-} EFI_SMM_IO_WIDTH;\r
-\r
-/**\r
- Provides the basic memory and I/O interfaces that are used to\r
- abstract accesses to devices.\r
-\r
- @param This The EFI_SMM_CPU_IO_INTERFACE instance.\r
- @param Width Signifies the width of the I/O operations.\r
- @param Address The base address of the I/O operations.\r
- @param Count The number of I/O operations to perform.\r
- @param Buffer For read operations, the destination buffer to store the results.\r
- For write operations, the source buffer from which to write data.\r
-\r
- @retval EFI_SUCCESS The data was read from or written to the device.\r
- @retval EFI_UNSUPPORTED The Address is not valid for this system.\r
- @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.\r
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
-\r
-**/\r
-typedef\r
-EFI_STATUS\r
-(EFIAPI *EFI_SMM_CPU_IO)(\r
- IN EFI_SMM_CPU_IO_INTERFACE *This,\r
- IN EFI_SMM_IO_WIDTH Width,\r
- IN UINT64 Address,\r
- IN UINTN Count,\r
- IN OUT VOID *Buffer\r
- );\r
-\r
-typedef struct {\r
- EFI_SMM_CPU_IO Read;\r
- EFI_SMM_CPU_IO Write;\r
-} EFI_SMM_IO_ACCESS;\r
-\r
-struct _EFI_SMM_CPU_IO_INTERFACE {\r
- EFI_SMM_IO_ACCESS Mem;\r
- EFI_SMM_IO_ACCESS Io;\r
-};\r
-\r
/**\r
- Allocates pool memory from SMRAM for IA-32 or runtime memory for\r
+ Allocates pool memory from SMRAM for IA-32, or runtime memory for\r
the Itanium processor family.\r
\r
- @param PoolType The type of pool to allocate.The only supported type is EfiRuntimeServicesData\r
+ @param PoolType The type of pool to allocate. The only supported type\r
+ is EfiRuntimeServicesData.\r
@param Size The number of bytes to allocate from the pool.\r
- @param Buffer A pointer to a pointer to the allocated buffer if the call\r
- succeeds; undefined otherwise.\r
+ @param Buffer A pointer to a pointer to the allocated buffer if the\r
+ call succeeds. Otherwise, undefined.\r
\r
@retval EFI_SUCCESS The requested number of bytes was allocated.\r
@retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.\r
@retval EFI_UNSUPPORTED In runtime.\r
-\r
+ @note Inconsistent with specification here:\r
+ In Framework Spec, this definition is named EFI_SMM_ALLOCATE_POOL.\r
+ To avoid a naming conflict, the definition is renamed.\r
**/\r
typedef\r
EFI_STATUS\r
/**\r
Returns pool memory to the system.\r
\r
- @param Buffer Pointer to the buffer to free.\r
+ @param Buffer The pointer to the buffer to free.\r
\r
@retval EFI_SUCCESS The memory was returned to the system.\r
@retval EFI_INVALID_PARAMETER Buffer was invalid.\r
@retval EFI_UNSUPPORTED In runtime.\r
-\r
+ @note Inconsistent with specification here:\r
+ In Framework Spec, this definition is named EFI_SMM_FREE_POOL.\r
+ To avoid a naming conflict, the definition is renamed.\r
**/\r
typedef\r
EFI_STATUS\r
Allocates memory pages from the system.\r
\r
@param Type The type of allocation to perform.\r
- @param MemoryType The only supported type is EfiRuntimeServicesData\r
- @param NumberofPages The number of contiguous 4 KB pages to allocate\r
+ @param MemoryType The only supported type is EfiRuntimeServicesData.\r
+ @param NumberofPages The number of contiguous 4 KB pages to allocate.\r
@param Memory Pointer to a physical address. On input, the way in which\r
the address is used depends on the value of Type. On output, the address\r
is set to the base of the page range that was allocated.\r
@retval EFI_OUT_OF_RESOURCES The pages requested could not be allocated.\r
@retval EFI_NOT_FOUND The requested pages could not be found.\r
@retval EFI_INVALID_PARAMETER Type is not AllocateAnyPages or AllocateMaxAddress\r
- or AllocateAddress. Or MemoryType is in the range EfiMaxMemoryType..0x7FFFFFFF.\r
-\r
+ or AllocateAddress. Or, MemoryType is in the range EfiMaxMemoryType..0x7FFFFFFF.\r
+ @note Inconsistent with specification here:\r
+ In the Framework Spec, this definition is named EFI_SMM_ALLOCATE_PAGES.\r
+ To avoid a naming conflict, the definition here is renamed.\r
**/\r
typedef\r
EFI_STATUS\r
/**\r
Frees memory pages for the system.\r
\r
- @param Memory The base physical address of the pages to be freed\r
+ @param Memory The base physical address of the pages to be freed.\r
@param NumberOfPages The number of contiguous 4 KB pages to free.\r
\r
@retval EFI_SUCCESS The requested memory pages were freed.\r
@retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or NumberOfPages is invalid.\r
@retval EFI_NOT_FOUND The requested memory pages were not allocated with SmmAllocatePages().\r
\r
+ @note Inconsistent with specification here:\r
+ In the Framework Spec, this definition is named EFI_SMM_FREE_PAGES.\r
+ To avoid a naming conflict, the definition here is renamed.\r
**/\r
typedef\r
EFI_STATUS\r
IN UINTN NumberOfPages\r
);\r
\r
-typedef\r
-EFI_STATUS\r
-(EFIAPI *EFI_SMM_STARTUP_THIS_AP)(\r
- IN EFI_AP_PROCEDURE Procedure,\r
- IN UINTN CpuNumber,\r
- IN OUT VOID *ProcArguments OPTIONAL\r
- );\r
-\r
+///\r
+/// The processor save-state information for IA-32 processors. This information is important in that the\r
+/// SMM drivers may need to ascertain the state of the processor before invoking the SMI.\r
+///\r
typedef struct {\r
+ ///\r
+ /// Reserved for future processors. As such, software should not attempt to interpret or\r
+ /// write to this region.\r
+ ///\r
UINT8 Reserved1[248];\r
+ ///\r
+ /// The location of the processor SMBASE, which is the location where the processor\r
+ /// will pass control upon receipt of an SMI.\r
+ ///\r
UINT32 SMBASE;\r
+ ///\r
+ /// The revision of the SMM save state. This value is set by the processor.\r
+ ///\r
UINT32 SMMRevId;\r
+ ///\r
+ /// The value of the I/O restart field. Allows for restarting an in-process I/O instruction.\r
+ ///\r
UINT16 IORestart;\r
+ ///\r
+ /// Describes behavior that should be commenced in response to a halt instruction.\r
+ ///\r
UINT16 AutoHALTRestart;\r
+ ///\r
+ /// Reserved for future processors. As such, software should not attempt to interpret or\r
+ /// write to this region.\r
+ ///\r
UINT8 Reserved2[164];\r
+\r
+ //\r
+ // Registers in IA-32 processors.\r
+ //\r
UINT32 ES;\r
UINT32 CS;\r
UINT32 SS;\r
UINT32 CR0;\r
} EFI_SMI_CPU_SAVE_STATE;\r
\r
+///\r
+/// The processor save-state information for the Itanium processor family. This information is\r
+/// important in that the SMM drivers may need to ascertain the state of the processor before invoking\r
+/// the PMI. This structure is mandatory and must be 512 byte aligned.\r
+///\r
typedef struct {\r
UINT64 reserved;\r
UINT64 r1;\r
\r
} EFI_PMI_SYSTEM_CONTEXT;\r
\r
+///\r
+/// The processor save-state information for IA-32 and Itanium processors. This information is\r
+/// important in that the SMM drivers may need to ascertain the state of the processor before invoking\r
+/// the SMI or PMI.\r
+///\r
typedef union {\r
+ ///\r
+ /// The processor save-state information for IA-32 processors.\r
+ ///\r
EFI_SMI_CPU_SAVE_STATE Ia32SaveState;\r
- EFI_PMI_SYSTEM_CONTEXT ItaniumSaveState;\r
+ ///\r
+ /// Note: Inconsistency with the Framework SMM CIS spec - Itanium save state not included.\r
+ ///\r
+ /// The processor save-state information for Itanium processors.\r
+ ///\r
+ /// EFI_PMI_SYSTEM_CONTEXT ItaniumSaveState;\r
} EFI_SMM_CPU_SAVE_STATE;\r
\r
+///\r
+/// The optional floating point save-state information for IA-32 processors. If the optional floating\r
+/// point save is indicated for any handler, the following data structure must be preserved.\r
+///\r
typedef struct {\r
UINT16 Fcw;\r
UINT16 Fsw;\r
UINT8 Rsvd11[22*16];\r
} EFI_SMI_OPTIONAL_FPSAVE_STATE;\r
\r
+///\r
+/// The optional floating point save-state information for the Itanium processor family. If the optional\r
+/// floating point save is indicated for any handler, then this data structure must be preserved.\r
+///\r
typedef struct {\r
UINT64 f2[2];\r
UINT64 f3[2];\r
UINT64 f31[2];\r
} EFI_PMI_OPTIONAL_FLOATING_POINT_CONTEXT;\r
\r
+///\r
+/// The processor save-state information for IA-32 and Itanium processors. If the optional floating\r
+/// point save is indicated for any handler, then this data structure must be preserved.\r
+///\r
typedef union {\r
+ ///\r
+ /// The optional floating point save-state information for IA-32 processors.\r
+ ///\r
EFI_SMI_OPTIONAL_FPSAVE_STATE Ia32FpSave;\r
+ ///\r
+ /// The optional floating point save-state information for Itanium processors.\r
+ ///\r
EFI_PMI_OPTIONAL_FLOATING_POINT_CONTEXT ItaniumFpSave;\r
} EFI_SMM_FLOATING_POINT_SAVE_STATE;\r
\r
// System Management System Table (SMST)\r
//\r
struct _EFI_SMM_SYSTEM_TABLE {\r
+ ///\r
+ /// The table header for the System Management System Table (SMST).\r
+ ///\r
EFI_TABLE_HEADER Hdr;\r
\r
+ ///\r
+ /// A pointer to a NULL-terminated Unicode string containing the vendor name. It is\r
+ /// permissible for this pointer to be NULL.\r
+ ///\r
CHAR16 *SmmFirmwareVendor;\r
+ ///\r
+ /// The particular revision of the firmware.\r
+ ///\r
UINT32 SmmFirmwareRevision;\r
\r
+ ///\r
+ /// Adds, updates, or removes a configuration table entry from the SMST.\r
+ ///\r
EFI_SMM_INSTALL_CONFIGURATION_TABLE SmmInstallConfigurationTable;\r
\r
//\r
// I/O Services\r
//\r
+ ///\r
+ /// A GUID that designates the particular CPU I/O services.\r
+ ///\r
EFI_GUID EfiSmmCpuIoGuid;\r
+ ///\r
+ /// Provides the basic memory and I/O interfaces that are used to abstract accesses to\r
+ /// devices.\r
+ ///\r
EFI_SMM_CPU_IO_INTERFACE SmmIo;\r
\r
//\r
// Runtime memory service\r
//\r
+ ///\r
+ ///\r
+ /// Allocates pool memory from SMRAM for IA-32 or runtime memory for the\r
+ /// Itanium processor family.\r
+ ///\r
EFI_SMMCORE_ALLOCATE_POOL SmmAllocatePool;\r
+ ///\r
+ /// Returns pool memory to the system.\r
+ ///\r
EFI_SMMCORE_FREE_POOL SmmFreePool;\r
+ ///\r
+ /// Allocates memory pages from the system.\r
+ ///\r
EFI_SMMCORE_ALLOCATE_PAGES SmmAllocatePages;\r
+ ///\r
+ /// Frees memory pages for the system.\r
+ ///\r
EFI_SMMCORE_FREE_PAGES SmmFreePages;\r
\r
//\r
// MP service\r
//\r
+\r
+ /// Inconsistent with specification here:\r
+ /// In Framework Spec, this definition does not exist. This method is introduced in PI1.1 specification for\r
+ /// the implementation needed.\r
EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp;\r
\r
//\r
// CPU information records\r
//\r
+ ///\r
+ /// A 1-relative number between 1 and the NumberOfCpus field. This field designates\r
+ /// which processor is executing the SMM infrastructure. This number also serves as an\r
+ /// index into the CpuSaveState and CpuOptionalFloatingPointState\r
+ /// fields.\r
+ ///\r
UINTN CurrentlyExecutingCpu;\r
+ ///\r
+ /// The number of EFI Configuration Tables in the buffer\r
+ /// SmmConfigurationTable.\r
+ ///\r
UINTN NumberOfCpus;\r
+ ///\r
+ /// A pointer to the EFI Configuration Tables. The number of entries in the table is\r
+ /// NumberOfTableEntries.\r
+ ///\r
EFI_SMM_CPU_SAVE_STATE *CpuSaveState;\r
+ ///\r
+ /// A pointer to a catenation of the EFI_SMM_FLOATING_POINT_SAVE_STATE.\r
+ /// The size of this entire table is NumberOfCpus* size of the\r
+ /// EFI_SMM_FLOATING_POINT_SAVE_STATE. These fields are populated only if\r
+ /// there is at least one SMM driver that has registered for a callback with the\r
+ /// FloatingPointSave field in EFI_SMM_BASE_PROTOCOL.RegisterCallback() set to TRUE.\r
+ ///\r
EFI_SMM_FLOATING_POINT_SAVE_STATE *CpuOptionalFloatingPointState;\r
\r
//\r
// Extensibility table\r
//\r
+ ///\r
+ /// The number of EFI Configuration Tables in the buffer\r
+ /// SmmConfigurationTable.\r
+ ///\r
UINTN NumberOfTableEntries;\r
+ ///\r
+ /// A pointer to the EFI Configuration Tables. The number of entries in the table is\r
+ /// NumberOfTableEntries.\r
+ ///\r
EFI_CONFIGURATION_TABLE *SmmConfigurationTable;\r
};\r
\r