From: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Tony Luck <tony.luck@intel.com>, Andi Kleen <ak@linux.intel.com>,
Kai Huang <kai.huang@intel.com>,
Wander Lairson Costa <wander@redhat.com>,
Isaku Yamahata <isaku.yamahata@gmail.com>,
marcelo.cerri@canonical.com, tim.gardner@canonical.com,
khalid.elmously@canonical.com, philip.cox@canonical.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface driver
Date: Wed, 24 Aug 2022 09:56:43 -0700 [thread overview]
Message-ID: <9519f3eb-9efd-b596-4331-e62ada389e1e@linux.intel.com> (raw)
In-Reply-To: <YwZKGzXloHWeFV/k@zn.tnic>
On 8/24/22 8:56 AM, Borislav Petkov wrote:
> On Mon, Aug 22, 2022 at 03:41:00PM -0700, Sathyanarayanan Kuppuswamy wrote:
>> In addition to above, I think there is a possibility to add IOCTL to get
>> storage keys from the ACPI SVKL table. Storage Volume Key Table (SVKL) is
>> used by the VBIOS to share keys required to access encrypted drives. Although
>> we don't have a clear requirement, I suspect that we might add IOCTL for it.
>
> So this all sounds like a single tdx-guest driver to me which services a
> bunch of ioctls... not separate drivers.
>
> Hmm?
Yes. You are right. This is similar to AMD sev-guest driver.
https://github.com/torvalds/linux/blob/master/drivers/virt/coco/sev-guest/sev-guest.c
>
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
next prev parent reply other threads:[~2022-08-24 16:57 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-28 3:44 [PATCH v9 0/6] Add TDX Guest Attestation support Kuppuswamy Sathyanarayanan
2022-07-28 3:44 ` [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface driver Kuppuswamy Sathyanarayanan
2022-08-10 19:09 ` Borislav Petkov
2022-08-10 19:27 ` Sathyanarayanan Kuppuswamy
2022-08-18 14:18 ` Borislav Petkov
2022-08-18 14:40 ` Sathyanarayanan Kuppuswamy
2022-08-18 14:54 ` Borislav Petkov
2022-08-18 16:25 ` Dave Hansen
2022-08-19 0:22 ` Huang, Kai
2022-08-22 21:19 ` Dave Hansen
2022-08-22 21:36 ` Borislav Petkov
2022-08-22 21:44 ` Dave Hansen
2022-08-22 22:41 ` Sathyanarayanan Kuppuswamy
2022-08-24 15:56 ` Borislav Petkov
2022-08-24 16:56 ` Sathyanarayanan Kuppuswamy [this message]
2022-08-29 3:14 ` Huang, Kai
2022-08-29 8:05 ` Wang, Wei W
2022-08-30 2:25 ` Huang, Kai
2022-08-23 19:36 ` Sathyanarayanan Kuppuswamy
2022-08-24 15:55 ` Borislav Petkov
2022-07-28 3:44 ` [PATCH v9 2/6] selftests: tdx: Test GetReport TDX attestation feature Kuppuswamy Sathyanarayanan
2022-07-28 10:32 ` Kai Huang
2022-08-01 17:49 ` Sathyanarayanan Kuppuswamy
2022-08-02 0:08 ` Kai Huang
2022-07-28 3:44 ` [PATCH v9 3/6] x86/tdx: Add TDX Guest event notify interrupt support Kuppuswamy Sathyanarayanan
2022-07-28 10:18 ` Kai Huang
2022-08-01 21:39 ` Sathyanarayanan Kuppuswamy
2022-07-28 3:44 ` [PATCH v9 4/6] x86/coco: Add cc_decrypted_alloc/free() interfaces Kuppuswamy Sathyanarayanan
2022-07-28 3:44 ` [PATCH v9 5/6] x86/tdx: Add Quote generation support Kuppuswamy Sathyanarayanan
2022-07-28 3:44 ` [PATCH v9 6/6] selftests: tdx: Test GetQuote TDX attestation feature Kuppuswamy Sathyanarayanan
2022-08-24 17:12 ` [PATCH v9 0/6] Add TDX Guest Attestation support Dave Hansen
2022-08-24 18:16 ` Sathyanarayanan Kuppuswamy
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