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/** @file
Copyright (c) 2017 - 2019, ARM Limited. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Glossary:
- Cm or CM - Configuration Manager
- Obj or OBJ - Object
**/
#ifndef CONFIGURATION_MANAGER_OBJECT_H_
#define CONFIGURATION_MANAGER_OBJECT_H_
#include <ArmNameSpaceObjects.h>
#include <StandardNameSpaceObjects.h>
#pragma pack(1)
/** The CM_OBJECT_ID type is used to identify the Configuration Manager
objects.
Description of Configuration Manager Object ID
_______________________________________________________________________________
|31 |30 |29 |28 || 27 | 26 | 25 | 24 || 23 | 22 | 21 | 20 || 19 | 18 | 17 | 16|
-------------------------------------------------------------------------------
| Name Space ID || 0 | 0 | 0 | 0 || 0 | 0 | 0 | 0 || 0 | 0 | 0 | 0|
_______________________________________________________________________________
Bits: [31:28] - Name Space ID
0000 - Standard
0001 - ARM
1000 - Custom/OEM
All other values are reserved.
Bits: [27:16] - Reserved.
_______________________________________________________________________________
|15 |14 |13 |12 || 11 | 10 | 9 | 8 || 7 | 6 | 5 | 4 || 3 | 2 | 1 | 0|
-------------------------------------------------------------------------------
| 0 | 0 | 0 | 0 || 0 | 0 | 0 | 0 || Object ID |
_______________________________________________________________________________
Bits: [15:8] - Are reserved and must be zero.
Bits: [7:0] - Object ID
Object ID's in the Standard Namespace:
0 - Configuration Manager Revision
1 - ACPI Table List
2 - SMBIOS Table List
Object ID's in the ARM Namespace:
0 - Reserved
1 - Boot Architecture Info
2 - CPU Info
3 - Power Management Profile Info
4 - GICC Info
5 - GICD Info
6 - GIC MSI Frame Info
7 - GIC Redistributor Info
8 - GIC ITS Info
9 - Serial Console Port Info
10 - Serial Debug Port Info
11 - Generic Timer Info
12 - Platform GT Block Info
13 - Platform Generic Watchdog
14 - PCI Configuration Space Info
15 - Hypervisor Vendor Id
16 - Fixed feature flags for FADT
*/
typedef UINT32 CM_OBJECT_ID;
/** A mask for Object ID
*/
#define OBJECT_ID_MASK 0xFF
/** A mask for Namespace ID
*/
#define NAMESPACE_ID_MASK 0xF
/** Starting bit position for Namespace ID
*/
#define NAMESPACE_ID_BIT_SHIFT 28
/** The EOBJECT_NAMESPACE_ID enum describes the defined namespaces
for the Configuration Manager Objects.
*/
typedef enum ObjectNameSpaceID {
EObjNameSpaceStandard, ///< Standard Objects Namespace
EObjNameSpaceArm, ///< ARM Objects Namespace
EObjNameSpaceOem = 0x8, ///< OEM Objects Namespace
EObjNameSpaceMax
} EOBJECT_NAMESPACE_ID;
/** A descriptor for Configuration Manager Objects.
The Configuration Manager Protocol interface uses this descriptor
to return the Configuration Manager Objects.
*/
typedef struct CmObjDescriptor {
/// Object Id
CM_OBJECT_ID ObjectId;
/// Size of the described Object or Object List
UINT32 Size;
/// Pointer to the described Object or Object List
VOID * Data;
/// Count of objects in the list
UINT32 Count;
} CM_OBJ_DESCRIPTOR;
#pragma pack()
/** This macro returns the namespace ID from the CmObjectID.
@param [in] CmObjectId The Configuration Manager Object ID.
@retval Returns the Namespace ID corresponding to the CmObjectID.
**/
#define GET_CM_NAMESPACE_ID(CmObjectId) \
(((CmObjectId) >> NAMESPACE_ID_BIT_SHIFT) & \
NAMESPACE_ID_MASK)
/** This macro returns the Object ID from the CmObjectID.
@param [in] CmObjectId The Configuration Manager Object ID.
@retval Returns the Object ID corresponding to the CmObjectID.
**/
#define GET_CM_OBJECT_ID(CmObjectId) ((CmObjectId) & OBJECT_ID_MASK)
/** This macro returns a Configuration Manager Object ID
from the NameSpace ID and the ObjectID.
@param [in] NameSpaceId The namespace ID for the Object.
@param [in] ObjectId The Object ID.
@retval Returns the Configuration Manager Object ID.
**/
#define CREATE_CM_OBJECT_ID(NameSpaceId, ObjectId) \
((((NameSpaceId) & NAMESPACE_ID_MASK) << NAMESPACE_ID_BIT_SHIFT) | \
((ObjectId) & OBJECT_ID_MASK))
/** This macro returns a Configuration Manager Object ID
in the Standard Object Namespace.
@param [in] ObjectId The Object ID.
@retval Returns a Standard Configuration Manager Object ID.
**/
#define CREATE_CM_STD_OBJECT_ID(ObjectId) \
(CREATE_CM_OBJECT_ID (EObjNameSpaceStandard, ObjectId))
/** This macro returns a Configuration Manager Object ID
in the ARM Object Namespace.
@param [in] ObjectId The Object ID.
@retval Returns an ARM Configuration Manager Object ID.
**/
#define CREATE_CM_ARM_OBJECT_ID(ObjectId) \
(CREATE_CM_OBJECT_ID (EObjNameSpaceArm, ObjectId))
/** This macro returns a Configuration Manager Object ID
in the OEM Object Namespace.
@param [in] ObjectId The Object ID.
@retval Returns an OEM Configuration Manager Object ID.
**/
#define CREATE_CM_OEM_OBJECT_ID(ObjectId) \
(CREATE_CM_OBJECT_ID (EObjNameSpaceOem, ObjectId))
#endif // CONFIGURATION_MANAGER_OBJECT_H_
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