0797989c5d
The POR is firmly to use an OS allocated context buffer now so the build flag that allows firmware to allocate the context buffer is removed along with supporting code. Cc: Andrew Fish <afish@apple.com> Cc: Kang Gao <kang.gao@intel.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Michael Kubacki <michael.kubacki@microsoft.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Benjamin You <benjamin.you@intel.com> Cc: Liu Yun <yun.y.liu@intel.com> Cc: Ankit Sinha <ankit.sinha@intel.com> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Acked-by: Michael D Kinney <michael.d.kinney@intel.com> Acked-by: Liming Gao <gaoliming@byosoft.com.cn> Acked-by: Leif Lindholm <quic_llindhol@quicinc.com> Reviewed-by: Ankit Sinha <ankit.sinha@intel.com>
94 lines
6.0 KiB
C
94 lines
6.0 KiB
C
/** @file
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Definition for the Platform Runtime Mechanism (PRM) ACPI table (PRMT).
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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Copyright (c) Microsoft Corporation
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef PRMT_ACPI_TABLE_H_
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#define PRMT_ACPI_TABLE_H_
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#include <Base.h>
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#include <IndustryStandard/Acpi10.h>
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#define PRM_TABLE_SIGNATURE SIGNATURE_32 ('P', 'R', 'M', 'T')
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#define PRM_TABLE_REVISION 0x0
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#define PRM_MODULE_INFORMATION_STRUCT_REVISION 0x00
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#define PRM_HANDLER_INFORMATION_STRUCT_REVISION 0x00
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#pragma pack(push, 1)
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//
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// Platform Runtime Mechanism (PRM) ACPI Table (PRMT) structures
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//
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typedef struct {
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UINT16 StructureRevision; ///< Revision of this structure
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UINT16 StructureLength; ///< Length in bytes of this structure
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GUID Identifier; ///< GUID of the PRM handler for this structure
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UINT64 PhysicalAddress; ///< Physical address of this PRM handler
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UINT64 StaticDataBuffer; ///< Physical address of the static data buffer for
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///< this PRM handler (PRM_DATA_BUFFER *)
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UINT64 AcpiParameterBuffer; ///< Physical address of the parameter buffer
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///< for this PRM handler (PRM_DATA_BUFFER *)
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///< that is only used in the case of _DSM invocation.
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///< If _DSM invocation is not used, this value is
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///< ignored.
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} PRM_HANDLER_INFORMATION_STRUCT;
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typedef struct {
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UINT16 StructureRevision; ///< Revision of this structure
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UINT16 StructureLength; ///< Length in bytes of this structure including the
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///< variable length PRM Handler Info array
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GUID Identifier; ///< GUID of the PRM module for this structure
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UINT16 MajorRevision; ///< PRM module major revision
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UINT16 MinorRevision; ///< PRM module minor revision
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UINT16 HandlerCount; ///< Number of entries in the Handler Info array
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UINT32 HandlerInfoOffset; ///< Offset in bytes from the beginning of this
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///< structure to the Handler Info array
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UINT64 RuntimeMmioRanges; ///< Physical address of the PRM MMIO Ranges
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///< structure (PRM_MODULE_RUNTIME_MMIO_RANGES *)
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PRM_HANDLER_INFORMATION_STRUCT HandlerInfoStructure[1];
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} PRM_MODULE_INFORMATION_STRUCT;
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header; ///< Standard ACPI description header
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UINT32 PrmModuleInfoOffset; ///< Offset in bytes from the beginning of this
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///< structure to the PRM Module Info array
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UINT32 PrmModuleInfoCount; ///< Number of entries in the PRM Module Info array
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PRM_MODULE_INFORMATION_STRUCT PrmModuleInfoStructure[1];
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} PRM_ACPI_DESCRIPTION_TABLE;
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#pragma pack(pop)
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//
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// Helper macros to build PRM Information structures
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//
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// Todo: Revisit whether to use; currently both macros are not used
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//
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#define PRM_MODULE_INFORMATION_STRUCTURE(ModuleGuid, ModuleRevision, HandlerCount, PrmHanderInfoStructureArray) { \
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{ \
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PRM_MODULE_INFORMATION_STRUCT_REVISION, /* UINT16 StructureRevision; */ \
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(OFFSET_OF (PRM_MODULE_INFORMATION_STRUCT, HandlerInfoStructure) + (HandlerCount * sizeof (PRM_HANDLER_INFORMATION_STRUCT))) /* UINT16 StructureLength; */ \
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ModuleGuid, /* GUID ModuleGuid; */ \
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ModuleRevision, /* UINT16 ModuleRevision */ \
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HandlerCount, /* UINT16 HandlerCount */ \
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OFFSET_OF (PRM_MODULE_INFORMATION_STRUCT, HandlerInfoOffset), /* UINT32 HandlerInfoOffset */ \
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PrmHanderInfoStructureArray /* PRM_HANDLER_INFORMATION_STRUCT HandlerInfoStructure */ \
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} \
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}
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#define PRM_HANDLER_INFORMATION_STRUCTURE(HandlerGuid, PhysicalAddress) { \
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{ \
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PRM_HANDLER_INFORMATION_STRUCT_REVISION, /* UINT16 StructureRevision; */ \
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sizeof (PRM_HANDLER_INFORMATION_STRUCT), /* UINT16 StructureLength; */ \
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HandlerGuid, /* GUID HandlerGuid; */ \
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PhysicalAddress, /* UINT64 PhysicalAddress */ \
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} \
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}
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#endif // _PRMT_ACPI_TABLE_H_
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