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/** @file
STM Resource Descriptor
Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Specification Reference:
SMI Transfer Monitor (STM) User Guide Revision 1.00
**/
#ifndef _INTEL_STM_RESOURCE_DESCRIPTOR_H_
#define _INTEL_STM_RESOURCE_DESCRIPTOR_H_
#pragma pack (1)
/**
STM Resource Descriptor Header
**/
typedef struct {
UINT32 RscType;
UINT16 Length;
UINT16 ReturnStatus : 1;
UINT16 Reserved : 14;
UINT16 IgnoreResource : 1;
} STM_RSC_DESC_HEADER;
/**
Define values for the RscType field of #STM_RSC_DESC_HEADER
@{
**/
#define END_OF_RESOURCES 0
#define MEM_RANGE 1
#define IO_RANGE 2
#define MMIO_RANGE 3
#define MACHINE_SPECIFIC_REG 4
#define PCI_CFG_RANGE 5
#define TRAPPED_IO_RANGE 6
#define ALL_RESOURCES 7
#define REGISTER_VIOLATION 8
#define MAX_DESC_TYPE 8
/// @}
/**
STM Resource End Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT64 ResourceListContinuation;
} STM_RSC_END;
/**
STM Resource Memory Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT64 Base;
UINT64 Length;
UINT32 RWXAttributes : 3;
UINT32 Reserved : 29;
UINT32 Reserved_2;
} STM_RSC_MEM_DESC;
/**
Define values for the RWXAttributes field of #STM_RSC_MEM_DESC
@{
**/
#define STM_RSC_MEM_R 0x1
#define STM_RSC_MEM_W 0x2
#define STM_RSC_MEM_X 0x4
/// @}
/**
STM Resource I/O Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT16 Base;
UINT16 Length;
UINT32 Reserved;
} STM_RSC_IO_DESC;
/**
STM Resource MMIO Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT64 Base;
UINT64 Length;
UINT32 RWXAttributes : 3;
UINT32 Reserved : 29;
UINT32 Reserved_2;
} STM_RSC_MMIO_DESC;
/**
Define values for the RWXAttributes field of #STM_RSC_MMIO_DESC
@{
**/
#define STM_RSC_MMIO_R 0x1
#define STM_RSC_MMIO_W 0x2
#define STM_RSC_MMIO_X 0x4
/// @}
/**
STM Resource MSR Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT32 MsrIndex;
UINT32 KernelModeProcessing : 1;
UINT32 Reserved : 31;
UINT64 ReadMask;
UINT64 WriteMask;
} STM_RSC_MSR_DESC;
/**
STM PCI Device Path node used for the PciDevicePath field of
#STM_RSC_PCI_CFG_DESC
**/
typedef struct {
///
/// Must be 1, indicating Hardware Device Path
///
UINT8 Type;
///
/// Must be 1, indicating PCI
///
UINT8 Subtype;
///
/// sizeof(STM_PCI_DEVICE_PATH_NODE) which is 6
///
UINT16 Length;
UINT8 PciFunction;
UINT8 PciDevice;
} STM_PCI_DEVICE_PATH_NODE;
/**
STM Resource PCI Configuration Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT16 RWAttributes : 2;
UINT16 Reserved : 14;
UINT16 Base;
UINT16 Length;
UINT8 OriginatingBusNumber;
UINT8 LastNodeIndex;
STM_PCI_DEVICE_PATH_NODE PciDevicePath[1];
// STM_PCI_DEVICE_PATH_NODE PciDevicePath[LastNodeIndex + 1];
} STM_RSC_PCI_CFG_DESC;
/**
Define values for the RWAttributes field of #STM_RSC_PCI_CFG_DESC
@{
**/
#define STM_RSC_PCI_CFG_R 0x1
#define STM_RSC_PCI_CFG_W 0x2
/// @}
/**
STM Resource Trapped I/O Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT16 Base;
UINT16 Length;
UINT16 In : 1;
UINT16 Out : 1;
UINT16 Api : 1;
UINT16 Reserved1 : 13;
UINT16 Reserved2;
} STM_RSC_TRAPPED_IO_DESC;
/**
STM Resource All Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
} STM_RSC_ALL_RESOURCES_DESC;
/**
STM Register Violation Descriptor
**/
typedef struct {
STM_RSC_DESC_HEADER Hdr;
UINT32 RegisterType;
UINT32 Reserved;
UINT64 ReadMask;
UINT64 WriteMask;
} STM_REGISTER_VIOLATION_DESC;
/**
Enum values for the RWAttributes field of #STM_REGISTER_VIOLATION_DESC
**/
typedef enum {
StmRegisterCr0,
StmRegisterCr2,
StmRegisterCr3,
StmRegisterCr4,
StmRegisterCr8,
StmRegisterMax,
} STM_REGISTER_VIOLATION_TYPE;
/**
Union of all STM resource types
**/
typedef union {
STM_RSC_DESC_HEADER Header;
STM_RSC_END End;
STM_RSC_MEM_DESC Mem;
STM_RSC_IO_DESC Io;
STM_RSC_MMIO_DESC Mmio;
STM_RSC_MSR_DESC Msr;
STM_RSC_PCI_CFG_DESC PciCfg;
STM_RSC_TRAPPED_IO_DESC TrappedIo;
STM_RSC_ALL_RESOURCES_DESC All;
STM_REGISTER_VIOLATION_DESC RegisterViolation;
} STM_RSC;
#pragma pack ()
#endif
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