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/** @file
Service Processor Management Interface (SPMI) ACPI table definition from
Intelligent Platform Management Interface Specification Second Generation.
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
- Intelligent Platform Management Interface Specification Second Generation
v2.0 Revision 1.1, Dated October 2013.
https://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/ipmi-intelligent-platform-mgt-interface-spec-2nd-gen-v2-0-spec-update.pdf
**/
#ifndef _SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_H_
#define _SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_H_
#include <IndustryStandard/Acpi.h>
#pragma pack(1)
///
/// Definition for the device identification information used by the Service
/// Processor Management Interface Description Table
///
typedef union {
///
/// For PCI IPMI device
///
struct {
UINT8 SegmentGroup;
UINT8 Bus;
UINT8 Device;
UINT8 Function;
} Pci;
///
/// For non-PCI IPMI device, the ACPI _UID value of the device
///
UINT32 Uid;
} EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_DEVICE_ID;
///
/// Definition for Service Processor Management Interface Description Table
///
typedef struct {
EFI_ACPI_DESCRIPTION_HEADER Header;
///
/// Indicates the type of IPMI interface.
///
UINT8 InterfaceType;
///
/// This field must always be 01h to be compatible with any software that
/// implements previous versions of this spec.
///
UINT8 Reserved1;
///
/// Identifies the IPMI specification revision, in BCD format.
///
UINT16 SpecificationRevision;
///
/// Interrupt type(s) used by the interface.
///
UINT8 InterruptType;
///
/// The bit assignment of the SCI interrupt within the GPEx_STS register of a
/// GPE described if the FADT that the interface triggers.
///
UINT8 Gpe;
///
/// Reserved, must be 00h.
///
UINT8 Reserved2;
///
/// PCI Device Flag.
///
UINT8 PciDeviceFlag;
///
/// The I/O APIC or I/O SAPIC Global System Interrupt used by the interface.
///
UINT32 GlobalSystemInterrupt;
///
/// The base address of the interface register set described using the
/// Generic Address Structure (GAS, See [ACPI 2.0] for the definition).
///
EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE BaseAddress;
///
/// Device identification information.
///
EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_DEVICE_ID DeviceId;
///
/// This field must always be null (0x00) to be compatible with any software
/// that implements previous versions of this spec.
///
UINT8 Reserved3;
} EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE;
#pragma pack()
///
/// SPMI Revision (defined in spec)
///
#define EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_5_TABLE_REVISION 0x05
///
/// SPMI Interface Type
///
#define EFI_ACPI_SPMI_INTERFACE_TYPE_KCS 0x01
#define EFI_ACPI_SPMI_INTERFACE_TYPE_SMIC 0x02
#define EFI_ACPI_SPMI_INTERFACE_TYPE_BT 0x03
#define EFI_ACPI_SPMI_INTERFACE_TYPE_SSIF 0x04
#endif
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