From: "Gerd Hoffmann" <kraxel@redhat.com>
To: Min Xu <min.m.xu@intel.com>
Cc: devel@edk2.groups.io,
Michael D Kinney <michael.d.kinney@intel.com>,
Brijesh Singh <brijesh.singh@amd.com>,
Erdem Aktas <erdemaktas@google.com>,
James Bottomley <jejb@linux.ibm.com>,
Jiewen Yao <jiewen.yao@intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH V5 08/10] OvmfPkg/IncompatiblePciDeviceSupportDxe: Ignore OptionRom in Td guest
Date: Tue, 15 Mar 2022 14:48:30 +0100 [thread overview]
Message-ID: <20220315134830.uz7iay6onjdd232o@sirius.home.kraxel.org> (raw)
In-Reply-To: <20220313004111.388-9-min.m.xu@intel.com>
On Sun, Mar 13, 2022 at 08:41:09AM +0800, Min Xu wrote:
> RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
>
> Host VMM may inject OptionRom which is untrusted in Td guest. So PCI
> OptionRom needs to be ignored if it is Td guest. According to
> "Table 20. ACPI 2.0 & 3.0 QWORD Address Space Descriptor Usage"
> PI spec 1.7, type-specific flags can be set to 0 when Address
> Translation Offset == 6 to skip device option ROM.
>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Brijesh Singh <brijesh.singh@amd.com>
> Cc: Erdem Aktas <erdemaktas@google.com>
> Cc: James Bottomley <jejb@linux.ibm.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Signed-off-by: Min Xu <min.m.xu@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
next prev parent reply other threads:[~2022-03-15 13:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-13 0:41 [PATCH V5 00/10] Introduce TDVF Config-B (basic) in OvmfPkg Min Xu
2022-03-13 0:41 ` [PATCH V5 01/10] OvmfPkg: Add TdxWorkArea definition Min Xu
2022-03-13 0:41 ` [PATCH V5 02/10] OvmfPkg: Add PrePiHobListPointerLibTdx Min Xu
2022-03-13 0:41 ` [PATCH V5 03/10] OvmfPkg: Add PeilessStartupLib Min Xu
2022-03-13 0:41 ` [PATCH V5 04/10] OvmfPkg/IntelTdx: Add Sec to bring up both Legacy and Tdx guest Min Xu
2022-03-13 0:41 ` [PATCH V5 05/10] OvmfPkg: Update TdxDxe to set TDX PCDs Min Xu
2022-03-13 0:41 ` [PATCH V5 06/10] OvmfPkg: Update DxeAcpiTimerLib to read HostBridgeDevId in PlatformInfoHob Min Xu
2022-03-15 13:46 ` Gerd Hoffmann
2022-03-13 0:41 ` [PATCH V5 07/10] OvmfPkg/IncompatiblePciDeviceSupportDxe: Refine the configuration Min Xu
2022-03-15 13:48 ` Gerd Hoffmann
2022-03-13 0:41 ` [PATCH V5 08/10] OvmfPkg/IncompatiblePciDeviceSupportDxe: Ignore OptionRom in Td guest Min Xu
2022-03-15 13:48 ` Gerd Hoffmann [this message]
2022-03-13 0:41 ` [PATCH V5 09/10] MdeModulePkg: Update PciEnumeratorSupport to ignore OptionRom if needed Min Xu
2022-03-15 13:49 ` Gerd Hoffmann
2022-03-13 0:41 ` [PATCH V5 10/10] OvmfPkg: Introduce IntelTdxX64 for TDVF Config-B Min Xu
2022-04-02 8:20 ` [PATCH V5 00/10] Introduce TDVF Config-B (basic) in OvmfPkg Yao, Jiewen
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