netdev - Re: [PATCH v1 4/6] platform/x86: intel_tdx_attest: Add TDX Guest attestation interface driver

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Message-ID: <8587f16c-d171-ba47-aaa1-dcec77e86d2c@linux.intel.com>
Date:   Thu, 10 Mar 2022 06:57:54 -0800
From:   Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Aubrey Li <aubrey.li@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mgross@...ux.intel.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>
Cc:     "H . Peter Anvin" <hpa@...or.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH v1 4/6] platform/x86: intel_tdx_attest: Add TDX Guest
 attestation interface driver



On 3/10/22 6:55 AM, Aubrey Li wrote:
> There seems to be a mismatch with
> https://github.com/intel/qemu-tdx/blob/tdx/target/i386/kvm/tdx.c#L1262
> 
> It looks like qemu expects a tdx_get_quote_header before the raw TDREPORT data?

Yes, this is a recent change. I have modified the attestation test app
to accommodate it. It will be submitted in next version.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer