MdePkg/Include/IndustryStandard/ServiceProcessorManagementInterfaceTable.h

   1 /** @file
   2   Service Processor Management Interface (SPMI) ACPI table definition from
   3   Intelligent Platform Management Interface Specification Second Generation.
   4
   5   Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8   @par Revision Reference:
   9     - Intelligent Platform Management Interface Specification Second Generation
  10       v2.0 Revision 1.1, Dated October 2013.
  11       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
  12 **/
  13 #ifndef _SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_H_
  14 #define _SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_H_
  15
  16 #include <IndustryStandard/Acpi.h>
  17
  18 #pragma pack(1)
  19
  20 ///
  21 /// Definition for the device identification information used by the Service
  22 /// Processor Management Interface Description Table
  23 ///
  24 typedef union {
  25   ///
  26   /// For PCI IPMI device
  27   ///
  28   struct {
  29     UINT8                                 SegmentGroup;
  30     UINT8                                 Bus;
  31     UINT8                                 Device;
  32     UINT8                                 Function;
  33   } Pci;
  34   ///
  35   /// For non-PCI IPMI device, the ACPI _UID value of the device
  36   ///
  37   UINT32                                  Uid;
  38 } EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_DEVICE_ID;
  39
  40
  41 ///
  42 /// Definition for Service Processor Management Interface Description Table
  43 ///
  44 typedef struct {
  45   EFI_ACPI_DESCRIPTION_HEADER               Header;
  46   ///
  47   /// Indicates the type of IPMI interface.
  48   ///
  49   UINT8                                     InterfaceType;
  50   ///
  51   /// This field must always be 01h to be compatible with any software that
  52   /// implements previous versions of this spec.
  53   ///
  54   UINT8                                     Reserved1;
  55   ///
  56   /// Identifies the IPMI specification revision, in BCD format.
  57   ///
  58   UINT16                                    SpecificationRevision;
  59   ///
  60   /// Interrupt type(s) used by the interface.
  61   ///
  62   UINT8                                     InterruptType;
  63   ///
  64   /// The bit assignment of the SCI interrupt within the GPEx_STS register of a
  65   /// GPE described if the FADT that the interface triggers.
  66   ///
  67   UINT8                                     Gpe;
  68   ///
  69   /// Reserved, must be 00h.
  70   ///
  71   UINT8                                     Reserved2;
  72   ///
  73   /// PCI Device Flag.
  74   ///
  75   UINT8                                     PciDeviceFlag;
  76   ///
  77   /// The I/O APIC or I/O SAPIC Global System Interrupt used by the interface.
  78   ///
  79   UINT32                                    GlobalSystemInterrupt;
  80   ///
  81   /// The base address of the interface register set described using the
  82   /// Generic Address Structure (GAS, See [ACPI 2.0] for the definition).
  83   ///
  84   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE    BaseAddress;
  85   ///
  86   /// Device identification information.
  87   ///
  88   EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_DEVICE_ID    DeviceId;
  89   ///
  90   /// This field must always be null (0x00) to be compatible with any software
  91   /// that implements previous versions of this spec.
  92   ///
  93   UINT8                                     Reserved3;
  94 } EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE;
  95
  96 #pragma pack()
  97
  98 #endif