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

["gaoliming" <gaoliming@byosoft.com.cn>]

> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表
> PierreGondois
> 发送时间: 2023年5月9日 15:50
> 收件人: gaoliming <gaoliming@byosoft.com.cn>; devel@edk2.groups.io
> 抄送: 'Ard Biesheuvel' <ardb+tianocore@kernel.org>; 'Leif Lindholm'
> <leif@nuviainc.com>; 'Sami Mujawar' <sami.mujawar@arm.com>; 'Michael D
> Kinney' <michael.d.kinney@intel.com>; 'Zhiguang Liu'
> <zhiguang.liu@intel.com>
> 主题: Re: [edk2-devel] 回复: [PATCH v1 03/11] MdePkg/Acpi64: Add
> _PSD/_CPC/State Coordination Types macros
> 
> Hello Liming,
> 
> On 5/6/23 03:25, gaoliming wrote:
> > Pierre:
> >
> >> -----邮件原件-----
> >> 发件人: pierre.gondois@arm.com <pierre.gondois@arm.com>
> >> 发送时间: 2023年5月5日 21:17
> >> 收件人: devel@edk2.groups.io
> >> 抄送: Ard Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm
> >> <leif@nuviainc.com>; Sami Mujawar <sami.mujawar@arm.com>; Michael
> D
> >> Kinney <michael.d.kinney@intel.com>; Liming Gao
> >> <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhiguang.liu@intel.com>
> >> 主题: [PATCH v1 03/11] MdePkg/Acpi64: Add _PSD/_CPC/State
> Coordination
> >> Types macros
> >>
> >> From: Pierre Gondois <pierre.gondois@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@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?
> 
> I think the name of the company was rebranded from ARM to Arm in 2017,
> so I've been asked to change the the copyright name when we update the
> copyright
> year ...
> 

OK. Got it. 

Thanks
Liming

> 
> >
> > 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
> >
> >
> >
> 
> 
> 
>