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From: "Gerd Hoffmann" <kraxel@redhat.com>
To: "Xu, Min M" <min.m.xu@intel.com>
Cc: "devel@edk2.groups.io" <devel@edk2.groups.io>,
	"Aktas, Erdem" <erdemaktas@google.com>,
	James Bottomley <jejb@linux.ibm.com>,
	"Yao, Jiewen" <jiewen.yao@intel.com>,
	Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH 3/3] OvmfPkg: Initialize NvVarStore with Configuration FV in Td guest
Date: Wed, 22 Jun 2022 11:22:33 +0200	[thread overview]
Message-ID: <20220622092233.qnalik3mu4uishmh@sirius.home.kraxel.org> (raw)
In-Reply-To: <PH0PR11MB5064F942BD68490119E668F1C5B29@PH0PR11MB5064.namprd11.prod.outlook.com>

> > Copying over the content in PlatformInitLib makes sense too, probably best
> > as separate function.

> Yes, PlatformReserveEmuVariableNvStore() will be a separated function
> and it returns the pointer of the allocated storage. Then this pointer
> can be set to either the PCD (PlatformPei) or in PlatformInfoHob
> (PeilessStartupLib).

I mean copying over should be a separate function too, so it is up to
the caller not the library itself to decide whenever the copying should
happen or not.

> > > > Also why limit this to tdx?
> > > Because I am not sure if other platforms need such operation. So in
> > > current stage it is limit to tdx.
> > 
> > I think the code should copy over the varstore in case the
> > SECURE_BOOT_ENABLE option is set.  That is the actual use case and it
> > makes sense without TDX too.
> Then we need add a build-flag in *.dsc. Do you think OvmfPkgX64.dsc and IntelTdxX64.dsc are enough?

The flag is already there ;)

take care,
  Gerd


  reply	other threads:[~2022-06-22  9:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-18  2:32 [PATCH 0/3] Enable Secure-Boot in Tdx guest Min Xu
2022-06-18  2:32 ` [PATCH 1/3] OvmfPkg: Move TdxValidateCfv from PeilessStartupLib to PlatformInitLib Min Xu
2022-06-18  2:32 ` [PATCH 2/3] OvmfPkg: Validate Cfv integrity in Tdx guest Min Xu
2022-06-18  2:32 ` [PATCH 3/3] OvmfPkg: Initialize NvVarStore with Configuration FV in Td guest Min Xu
2022-06-20 11:01   ` Gerd Hoffmann
2022-06-22  2:02     ` Min Xu
2022-06-22  7:01       ` Gerd Hoffmann
2022-06-22  8:14         ` Min Xu
2022-06-22  9:22           ` Gerd Hoffmann [this message]
2022-06-23  0:40             ` Min Xu
2022-06-23  7:23               ` Gerd Hoffmann

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