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   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14   @par Revision Reference:
  15     - Intelligent Platform Management Interface Specification Second Generation
  16       v2.0 Revision 1.1, Dated October 2013.
  17       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
  18 **/
  19 #ifndef _SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_H_
  20 #define _SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_H_
  21
  22 #include <IndustryStandard/Acpi.h>
  23
  24 #pragma pack(1)
  25
  26 ///
  27 /// Definition for the device identification information used by the Service
  28 /// Processor Management Interface Description Table
  29 ///
  30 typedef union {
  31   ///
  32   /// For PCI IPMI device
  33   ///
  34   struct {
  35     UINT8                                 SegmentGroup;
  36     UINT8                                 Bus;
  37     UINT8                                 Device;
  38     UINT8                                 Function;
  39   } Pci;
  40   ///
  41   /// For non-PCI IPMI device, the ACPI _UID value of the device
  42   ///
  43   UINT32                                  Uid;
  44 } EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_DEVICE_ID;
  45
  46
  47 ///
  48 /// Definition for Service Processor Management Interface Description Table
  49 ///
  50 typedef struct {
  51   EFI_ACPI_DESCRIPTION_HEADER               Header;
  52   ///
  53   /// Indicates the type of IPMI interface.
  54   ///
  55   UINT8                                     InterfaceType;
  56   ///
  57   /// This field must always be 01h to be compatible with any software that
  58   /// implements previous versions of this spec.
  59   ///
  60   UINT8                                     Reserved1;
  61   ///
  62   /// Identifies the IPMI specification revision, in BCD format.
  63   ///
  64   UINT16                                    SpecificationRevision;
  65   ///
  66   /// Interrupt type(s) used by the interface.
  67   ///
  68   UINT8                                     InterruptType;
  69   ///
  70   /// The bit assignment of the SCI interrupt within the GPEx_STS register of a
  71   /// GPE described if the FADT that the interface triggers.
  72   ///
  73   UINT8                                     Gpe;
  74   ///
  75   /// Reserved, must be 00h.
  76   ///
  77   UINT8                                     Reserved2;
  78   ///
  79   /// PCI Device Flag.
  80   ///
  81   UINT8                                     PciDeviceFlag;
  82   ///
  83   /// The I/O APIC or I/O SAPIC Global System Interrupt used by the interface.
  84   ///
  85   UINT32                                    GlobalSystemInterrupt;
  86   ///
  87   /// The base address of the interface register set described using the
  88   /// Generic Address Structure (GAS, See [ACPI 2.0] for the definition).
  89   ///
  90   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE    BaseAddress;
  91   ///
  92   /// Device identification information.
  93   ///
  94   EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE_DEVICE_ID    DeviceId;
  95   ///
  96   /// This field must always be null (0x00) to be compatible with any software
  97   /// that implements previous versions of this spec.
  98   ///
  99   UINT8                                     Reserved3;
 100 } EFI_ACPI_SERVICE_PROCESSOR_MANAGEMENT_INTERFACE_TABLE;
 101
 102 #pragma pack()
 103
 104 #endif