mirror of https://github.com/acidanthera/audk.git
183 lines
5.8 KiB
C
183 lines
5.8 KiB
C
/** @file
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Copyright (c) 2017 - 2019, ARM Limited. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Glossary:
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- Cm or CM - Configuration Manager
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- Obj or OBJ - Object
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**/
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#ifndef CONFIGURATION_MANAGER_OBJECT_H_
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#define CONFIGURATION_MANAGER_OBJECT_H_
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#include <ArmNameSpaceObjects.h>
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#include <StandardNameSpaceObjects.h>
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#pragma pack(1)
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/** The CM_OBJECT_ID type is used to identify the Configuration Manager
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objects.
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Description of Configuration Manager Object ID
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_______________________________________________________________________________
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|31 |30 |29 |28 || 27 | 26 | 25 | 24 || 23 | 22 | 21 | 20 || 19 | 18 | 17 | 16|
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-------------------------------------------------------------------------------
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| Name Space ID || 0 | 0 | 0 | 0 || 0 | 0 | 0 | 0 || 0 | 0 | 0 | 0|
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_______________________________________________________________________________
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Bits: [31:28] - Name Space ID
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0000 - Standard
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0001 - ARM
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1000 - Custom/OEM
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All other values are reserved.
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Bits: [27:16] - Reserved.
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_______________________________________________________________________________
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|15 |14 |13 |12 || 11 | 10 | 9 | 8 || 7 | 6 | 5 | 4 || 3 | 2 | 1 | 0|
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-------------------------------------------------------------------------------
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| 0 | 0 | 0 | 0 || 0 | 0 | 0 | 0 || Object ID |
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_______________________________________________________________________________
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Bits: [15:8] - Are reserved and must be zero.
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Bits: [7:0] - Object ID
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Object ID's in the Standard Namespace:
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0 - Configuration Manager Revision
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1 - ACPI Table List
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2 - SMBIOS Table List
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Object ID's in the ARM Namespace:
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0 - Reserved
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1 - Boot Architecture Info
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2 - CPU Info
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3 - Power Management Profile Info
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4 - GICC Info
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5 - GICD Info
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6 - GIC MSI Frame Info
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7 - GIC Redistributor Info
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8 - GIC ITS Info
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9 - Serial Console Port Info
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10 - Serial Debug Port Info
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11 - Generic Timer Info
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12 - Platform GT Block Info
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13 - Platform Generic Watchdog
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14 - PCI Configuration Space Info
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15 - Hypervisor Vendor Id
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16 - Fixed feature flags for FADT
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*/
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typedef UINT32 CM_OBJECT_ID;
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/** A mask for Object ID
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*/
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#define OBJECT_ID_MASK 0xFF
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/** A mask for Namespace ID
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*/
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#define NAMESPACE_ID_MASK 0xF
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/** Starting bit position for Namespace ID
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*/
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#define NAMESPACE_ID_BIT_SHIFT 28
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/** The EOBJECT_NAMESPACE_ID enum describes the defined namespaces
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for the Configuration Manager Objects.
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*/
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typedef enum ObjectNameSpaceID {
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EObjNameSpaceStandard, ///< Standard Objects Namespace
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EObjNameSpaceArm, ///< ARM Objects Namespace
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EObjNameSpaceOem = 0x8, ///< OEM Objects Namespace
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EObjNameSpaceMax
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} EOBJECT_NAMESPACE_ID;
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/** A descriptor for Configuration Manager Objects.
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The Configuration Manager Protocol interface uses this descriptor
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to return the Configuration Manager Objects.
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*/
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typedef struct CmObjDescriptor {
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/// Object Id
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CM_OBJECT_ID ObjectId;
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/// Size of the described Object or Object List
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UINT32 Size;
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/// Pointer to the described Object or Object List
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VOID * Data;
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/// Count of objects in the list
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UINT32 Count;
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} CM_OBJ_DESCRIPTOR;
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#pragma pack()
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/** This macro returns the namespace ID from the CmObjectID.
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@param [in] CmObjectId The Configuration Manager Object ID.
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@retval Returns the Namespace ID corresponding to the CmObjectID.
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**/
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#define GET_CM_NAMESPACE_ID(CmObjectId) \
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(((CmObjectId) >> NAMESPACE_ID_BIT_SHIFT) & \
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NAMESPACE_ID_MASK)
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/** This macro returns the Object ID from the CmObjectID.
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@param [in] CmObjectId The Configuration Manager Object ID.
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@retval Returns the Object ID corresponding to the CmObjectID.
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**/
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#define GET_CM_OBJECT_ID(CmObjectId) ((CmObjectId) & OBJECT_ID_MASK)
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/** This macro returns a Configuration Manager Object ID
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from the NameSpace ID and the ObjectID.
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@param [in] NameSpaceId The namespace ID for the Object.
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@param [in] ObjectId The Object ID.
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@retval Returns the Configuration Manager Object ID.
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**/
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#define CREATE_CM_OBJECT_ID(NameSpaceId, ObjectId) \
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((((NameSpaceId) & NAMESPACE_ID_MASK) << NAMESPACE_ID_BIT_SHIFT) | \
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((ObjectId) & OBJECT_ID_MASK))
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/** This macro returns a Configuration Manager Object ID
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in the Standard Object Namespace.
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@param [in] ObjectId The Object ID.
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@retval Returns a Standard Configuration Manager Object ID.
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**/
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#define CREATE_CM_STD_OBJECT_ID(ObjectId) \
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(CREATE_CM_OBJECT_ID (EObjNameSpaceStandard, ObjectId))
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/** This macro returns a Configuration Manager Object ID
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in the ARM Object Namespace.
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@param [in] ObjectId The Object ID.
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@retval Returns an ARM Configuration Manager Object ID.
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**/
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#define CREATE_CM_ARM_OBJECT_ID(ObjectId) \
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(CREATE_CM_OBJECT_ID (EObjNameSpaceArm, ObjectId))
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/** This macro returns a Configuration Manager Object ID
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in the OEM Object Namespace.
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@param [in] ObjectId The Object ID.
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@retval Returns an OEM Configuration Manager Object ID.
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**/
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#define CREATE_CM_OEM_OBJECT_ID(ObjectId) \
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(CREATE_CM_OBJECT_ID (EObjNameSpaceOem, ObjectId))
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#endif // CONFIGURATION_MANAGER_OBJECT_H_
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