[edk2-devel] 回复: [PATCH v1 03/11] MdePkg/Acpi64: Add _PSD/_CPC/State Coordination Types macros

[gaoliming via groups.io]

Pierre:

> -----邮件原件-----
> 发件人: pierre.gondois at arm.com <pierre.gondois at arm.com>
> 发送时间: 2023年5月5日 21:17
> 收件人: devel at edk2.groups.io
> 抄送: Ard Biesheuvel <ardb+tianocore at kernel.org>; Leif Lindholm
> <leif at nuviainc.com>; Sami Mujawar <sami.mujawar at arm.com>; Michael D
> Kinney <michael.d.kinney at intel.com>; Liming Gao
> <gaoliming at byosoft.com.cn>; Zhiguang Liu <zhiguang.liu at intel.com>
> 主题: [PATCH v1 03/11] MdePkg/Acpi64: Add _PSD/_CPC/State Coordination
> Types macros
> 
> From: Pierre Gondois <pierre.gondois at arm.com>
> 
> Add macros for:
> - _PSD version
> - _CPC version
> - C-state/T-state/P-state Coordination Types
> 
> These objects were present in previous ACPI specification version,
> but are only added to the latest availbable version (6.4).
> 
> Signed-off-by: Pierre Gondois <pierre.gondois at arm.com>
> ---
>  MdePkg/Include/IndustryStandard/Acpi64.h | 25
> +++++++++++++++++++++++-
>  1 file changed, 24 insertions(+), 1 deletion(-)
> 
> diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h
> b/MdePkg/Include/IndustryStandard/Acpi64.h
> index 575ca0430c13..e3c128d7548d 100644
> --- a/MdePkg/Include/IndustryStandard/Acpi64.h
> +++ b/MdePkg/Include/IndustryStandard/Acpi64.h
> @@ -2,7 +2,7 @@
>    ACPI 6.4 definitions from the ACPI Specification Revision 6.4 Jan,
2021.
> 
>    Copyright (c) 2017 - 2022, Intel Corporation. All rights reserved.<BR>
> -  Copyright (c) 2019 - 2021, ARM Ltd. All rights reserved.<BR>
> +  Copyright (c) 2019 - 2023, Arm Ltd. All rights reserved.<BR>
> 
I see other source files all use ARM Ltd. Is it required to be updated to
Arm Ltd?

Thanks
Liming
>    SPDX-License-Identifier: BSD-2-Clause-Patent
>  **/
> @@ -17,6 +17,29 @@
>  //
>  #pragma pack(1)
> 
> +///
> +/// C-state/T-state/P-state Coordination Types
> +/// Cf. s8.3 Power, Performance, and Throttling State Dependencies
> +///
> +#define EFI_ACPI_6_4_AML_STATE_COORD_TYPE_SW_ALL  0xFC
> +#define EFI_ACPI_6_4_AML_STATE_COORD_TYPE_SW_ANY  0xFD
> +#define EFI_ACPI_6_4_AML_STATE_COORD_TYPE_HW_ALL  0xFE
> +
> +///
> +/// _PSD Revision
> +/// Cf. s8.4.6.5 _PSD (P-State Dependency)
> +///
> +#define EFI_ACPI_6_4_AML_PSD_REVISION_V0  0
> +
> +///
> +/// _CPC Revision
> +/// Cf. s8.4.7.1 _CPC (Continuous Performance Control)
> +///
> +#define EFI_ACPI_6_4_AML_CPC_REVISION_V0  0
> +#define EFI_ACPI_6_4_AML_CPC_REVISION_V1  1
> +#define EFI_ACPI_6_4_AML_CPC_REVISION_V2  2
> +#define EFI_ACPI_6_4_AML_CPC_REVISION_V3  3
> +
>  ///
>  /// ACPI 6.4 Generic Address Space definition
>  ///
> --
> 2.25.1





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