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| author | Chris Jones <christopher.jones@arm.com> | 2021-07-21 11:14:50 +0100 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-08-11 01:53:28 +0000 |
| commit | 7b17bcd9a0d113eebca9314b286595f042871e31 (patch) | |
| tree | eefb4bb208113afbbe4573566eca88a7b7a0064e /MdePkg | |
| parent | 357383bc4f18c7a51dcccab079e0f29ce6ec1b2a (diff) | |
| download | edk2-7b17bcd9a0d113eebca9314b286595f042871e31.tar.gz | |
MdePkg: Add 'Type 5' PCC structure
Bugzilla: 3516 (https://bugzilla.tianocore.org/show_bug.cgi?id=3516)
Make changes to ACPI 6.4 header according to the latest specification:
- ACPI 6.4 January 2021, Section 14.1.7, Section 14.4
- Mantis ID 2010 (https://mantis.uefi.org/mantis/view.php?id=2010)
Signed-off-by: Chris Jones <christopher.jones@arm.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/IndustryStandard/Acpi64.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h b/MdePkg/Include/IndustryStandard/Acpi64.h index ffa819d83a..995426ae81 100644 --- a/MdePkg/Include/IndustryStandard/Acpi64.h +++ b/MdePkg/Include/IndustryStandard/Acpi64.h @@ -2329,6 +2329,7 @@ typedef struct { #define EFI_ACPI_6_4_PCCT_SUBSPACE_TYPE_2_HW_REDUCED_COMMUNICATIONS 0x02
#define EFI_ACPI_6_4_PCCT_SUBSPACE_TYPE_3_EXTENDED_PCC 0x03
#define EFI_ACPI_6_4_PCCT_SUBSPACE_TYPE_4_EXTENDED_PCC 0x04
+#define EFI_ACPI_6_4_PCCT_SUBSPACE_TYPE_5_HW_REGISTERS_COMMUNICATIONS 0x05
///
/// PCC Subspace Structure Header
@@ -2469,6 +2470,34 @@ typedef struct { } EFI_ACPI_6_4_PCCT_EXTENDED_PCC_SHARED_MEMORY_REGION_HEADER;
///
+/// Type 5 HW Registers based Communications Subspace Structure
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT16 Version;
+ UINT64 BaseAddress;
+ UINT64 SharedMemoryRangeLength;
+ EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE DoorbellRegister;
+ UINT64 DoorbellPreserve;
+ UINT64 DoorbellWrite;
+ EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE CommandCompleteCheckRegister;
+ UINT64 CommandCompleteCheckMask;
+ EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE ErrorStatusRegister;
+ UINT64 ErrorStatusMask;
+ UINT32 NominalLatency;
+ UINT32 MinimumRequestTurnaroundTime;
+} EFI_ACPI_6_4_PCCT_SUBSPACE_5_HW_REGISTERS_COMMUNICATIONS;
+
+///
+/// Reduced PCC Subspace Shared Memory Region
+///
+typedef struct {
+ UINT32 Signature;
+//UINT8 CommunicationSubspace[];
+} EFI_6_4_PCCT_REDUCED_PCC_SUBSPACE_SHARED_MEMORY_REGION;
+
+///
/// Platform Debug Trigger Table (PDTT)
///
typedef struct {
|