回复: [edk2-devel] 回复: [PATCH] MdePkg/include: Add DMAR SATC Table Definition
gaoliming
gaoliming at byosoft.com.cn
Tue Dec 15 07:16:20 UTC 2020
PR https://github.com/tianocore/edk2/pull/1230 is created.
> -----邮件原件-----
> 发件人: bounce+27952+68842+4905953+8761045 at groups.io
> <bounce+27952+68842+4905953+8761045 at groups.io> 代表 Sheng Wei
> 发送时间: 2020年12月15日 13:59
> 收件人: devel at edk2.groups.io; gaoliming at byosoft.com.cn; Liu, Zhiguang
> <zhiguang.liu at intel.com>
> 抄送: Kinney, Michael D <michael.d.kinney at intel.com>; Yao, Jiewen
> <jiewen.yao at intel.com>; Huang, Jenny <jenny.huang at intel.com>;
> Kowalewski, Robert <robert.kowalewski at intel.com>; Feng, Roger
> <roger.feng at intel.com>
> 主题: Re: [edk2-devel] 回复: [PATCH] MdePkg/include: Add DMAR SATC
> Table Definition
>
> Hi Liming,
> Thank you for the "Reviewed-by".
> Could you help to merge the patch to ekd2 master branch ?
> Thank you.
> BR
> Sheng Wei
>
> > -----Original Message-----
> > From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of
> > gaoliming
> > Sent: 2020年12月14日 10:49
> > To: Liu, Zhiguang <zhiguang.liu at intel.com>; Sheng, W
> <w.sheng at intel.com>;
> > devel at edk2.groups.io
> > Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Yao, Jiewen
> > <jiewen.yao at intel.com>; Huang, Jenny <jenny.huang at intel.com>;
> > Kowalewski, Robert <robert.kowalewski at intel.com>; Feng, Roger
> > <roger.feng at intel.com>
> > Subject: [edk2-devel] 回复: [PATCH] MdePkg/include: Add DMAR SATC
> > Table Definition
> >
> > Reviewed-by: Liming Gao <gaoliming at byosoft.com.cn>
> >
> > > -----邮件原件-----
> > > 发件人: Liu, Zhiguang <zhiguang.liu at intel.com>
> > > 发送时间: 2020年12月11日 10:51
> > > 收件人: Sheng, W <w.sheng at intel.com>; devel at edk2.groups.io
> > > 抄送: Kinney, Michael D <michael.d.kinney at intel.com>; Liming Gao
> > > <gaoliming at byosoft.com.cn>; Yao, Jiewen <jiewen.yao at intel.com>;
> > Huang,
> > > Jenny <jenny.huang at intel.com>; Kowalewski, Robert
> > > <robert.kowalewski at intel.com>; Feng, Roger <roger.feng at intel.com>
> > > 主题: RE: [PATCH] MdePkg/include: Add DMAR SATC Table Definition
> > >
> > > Reviewed-by: Zhiguang Liu <zhiguang.liu at intel.com>
> > >
> > > > -----Original Message-----
> > > > From: Sheng, W <w.sheng at intel.com>
> > > > Sent: Friday, December 11, 2020 9:37 AM
> > > > To: devel at edk2.groups.io
> > > > Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Liming Gao
> > > > <gaoliming at byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu at intel.com>;
> > > > Yao, Jiewen <jiewen.yao at intel.com>; Huang, Jenny
> > > > <jenny.huang at intel.com>; Kowalewski, Robert
> > > > <robert.kowalewski at intel.com>; Feng, Roger <roger.feng at intel.com>
> > > > Subject: [PATCH] MdePkg/include: Add DMAR SATC Table Definition
> > > >
> > > > SoC Integrated Address Translation Cache (SATC) reporting structure
> > > > is
> > one
> > > > of the Remapping Structure, which is imported since Intel(R)
> > Virtualization
> > > > Technology for Directed I/O (VT-D) Architecture Specification v3.2.
> > > >
> > > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3109
> > > >
> > > > Signed-off-by: Sheng Wei <w.sheng at intel.com>
> > > > Cc: Michael D Kinney <michael.d.kinney at intel.com>
> > > > Cc: Liming Gao <gaoliming at byosoft.com.cn>
> > > > Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> > > > Cc: Jiewen Yao <jiewen.yao at intel.com>
> > > > Cc: Jenny Huang <jenny.huang at intel.com>
> > > > Cc: Kowalewski Robert <robert.kowalewski at intel.com>
> > > > Cc: Feng Roger <roger.feng at intel.com>
> > > > ---
> > > > .../IndustryStandard/DmaRemappingReportingTable.h | 34
> > > > ++++++++++++++++++++--
> > > > 1 file changed, 31 insertions(+), 3 deletions(-)
> > > >
> > > > diff --git
> > > a/MdePkg/Include/IndustryStandard/DmaRemappingReportingTable.h
> > > > b/MdePkg/Include/IndustryStandard/DmaRemappingReportingTable.h
> > > > index 7c50dc972e..48f6959fec 100644
> > > > ---
> > a/MdePkg/Include/IndustryStandard/DmaRemappingReportingTable.h
> > > > +++
> > b/MdePkg/Include/IndustryStandard/DmaRemappingReportingTable.h
> > > > @@ -2,13 +2,13 @@
> > > > DMA Remapping Reporting (DMAR) ACPI table definition from
> Intel(R)
> > > > Virtualization Technology for Directed I/O (VT-D) Architecture
> > > Specification.
> > > >
> > > > - Copyright (c) 2016 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> > > > + Copyright (c) 2016 - 2020, Intel Corporation. All rights
> > reserved.<BR>
> > > > SPDX-License-Identifier: BSD-2-Clause-Patent
> > > >
> > > > @par Revision Reference:
> > > > - Intel(R) Virtualization Technology for Directed I/O (VT-D)
> > > Architecture
> > > > - Specification v2.5, Dated November 2017.
> > > > -
> > > >
> > >
> > http://www.intel.com/content/dam/www/public/us/en/documents/produc
> > t-
> > > > specifications/vt-directed-io-spec.pdf
> > > > + Specification v3.2, Dated October 2020.
> > > > +
> > > >
> > >
> > https://software.intel.com/content/dam/develop/external/us/en/documen
> > t
> > > s
> > > /vt-
> > > > directed-io-spec.pdf
> > > >
> > > > @par Glossary:
> > > > - HPET - High Precision Event Timer @@ -39,6 +39,7 @@
> > > > #define EFI_ACPI_DMAR_TYPE_ATSR 0x02
> > > > #define EFI_ACPI_DMAR_TYPE_RHSA 0x03
> > > > #define EFI_ACPI_DMAR_TYPE_ANDD 0x04
> > > > +#define EFI_ACPI_DMAR_TYPE_SATC 0x05
> > > > ///@}
> > > >
> > > > ///
> > > > @@ -216,6 +217,32 @@ typedef struct {
> > > > UINT8 AcpiDeviceNumber;
> > > > } EFI_ACPI_DMAR_ANDD_HEADER;
> > > >
> > > > +/**
> > > > + An SoC Integrated Address Translation Cache (SATC) reporting
> > structure
> > > is
> > > > + defined in section 8.8.
> > > > +**/
> > > > +typedef struct {
> > > > + EFI_ACPI_DMAR_STRUCTURE_HEADER Header;
> > > > + /**
> > > > + - Bit[0]: ATC_REQUIRED:
> > > > + - If Set, indicates that every SoC integrated device
> > > enumerated
> > > > + in this table has a functional requirement to
> > > > + enable
> > its
> > > ATC
> > > > + (via the ATS capability) for device operation.
> > > > + - If Clear, any device enumerated in this table can
> > > operate when
> > > > + its respective ATC is not enabled (albeit with
> reduced
> > > > + performance or functionality).
> > > > + - Bits[7:1] Reserved.
> > > > + **/
> > > > + UINT8 Flags;
> > > > + UINT8 Reserved;
> > > > + ///
> > > > + /// The PCI Segment associated with this SATC structure. All SoC
> > > integrated
> > > > + /// devices within a PCI segment with same value for Flags field
> > > > + must
> > be
> > > > + /// enumerated in the same SATC structure.
> > > > + ///
> > > > + UINT16 SegmentNumber;
> > > > +} EFI_ACPI_DMAR_SATC_HEADER;
> > > > +
> > > > /**
> > > > DMA Remapping Reporting Structure Header as defined in section
> 8.1
> > > > This header will be followed by list of Remapping Structures
> > > > listed
> > > below
> > > > @@ -224,6 +251,7 @@ typedef struct {
> > > > - Root Port ATS Capability Reporting (ATSR)
> > > > - Remapping Hardware Static Affinity (RHSA)
> > > > - ACPI Name-space Device Declaration (ANDD)
> > > > + - SoC Integrated Address Translation Cache reporting (SATC)
> > > > These structure types must by reported in numerical order.
> > > > i.e., All remapping structures of type 0 (DRHD) enumerated before
> > > > remapping
> > > > structures of type 1 (RMRR), and so forth.
> > > > --
> > > > 2.16.2.windows.1
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
>
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