From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-33001.amazon.com (smtp-fw-33001.amazon.com [207.171.190.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70211D527 for ; Wed, 3 May 2023 17:16:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1683134181; x=1714670181; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=MUFszrLuw4U5G8S7pxWyyBMLqAt05m5HkDl/Z8RxWhs=; b=mxVnlAGub3ryDfvnYaWJAv+zV3mjRzZewxjW3lPcgvUsqayKTUjgqKPF G/RG3g/f5ClMmDw/Ae0PPuK8obiXw7w8OiqeXMVPq18TbrjUgYGe0Hwj1 bqxWLiWAviMRmbXNQkknseXpnXs+90tGjDCk2AWMr8PbepLtkl4mjEMRY M=; X-IronPort-AV: E=Sophos;i="5.99,247,1677542400"; d="scan'208";a="282044698" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-iad-1e-m6i4x-3554bfcf.us-east-1.amazon.com) ([10.43.8.6]) by smtp-border-fw-33001.sea14.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 May 2023 17:16:14 +0000 Received: from EX19MTAUWB001.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan2.iad.amazon.com [10.40.163.34]) by email-inbound-relay-iad-1e-m6i4x-3554bfcf.us-east-1.amazon.com (Postfix) with ESMTPS id 44AB182471; Wed, 3 May 2023 17:16:09 +0000 (UTC) Received: from EX19D020UWC004.ant.amazon.com (10.13.138.149) by EX19MTAUWB001.ant.amazon.com (10.250.64.248) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 3 May 2023 17:16:08 +0000 Received: from [0.0.0.0] (10.253.83.51) by EX19D020UWC004.ant.amazon.com (10.13.138.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 3 May 2023 17:16:06 +0000 Message-ID: <6890ae22-c3e2-cba3-3ce6-d3f65dacb31d@amazon.com> Date: Wed, 3 May 2023 19:16:04 +0200 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [ANNOUNCEMENT] COCONUT Secure VM Service Module for SEV-SNP Content-Language: en-US To: Claudio Carvalho , =?UTF-8?B?SsO2cmcgUsO2ZGVs?= , Tom Lendacky CC: , , , Carlos Bilbao , Klaus Kiwi References: <4420d7e5-d05f-8c31-a0f2-587ebb7eaa20@amd.com> From: Alexander Graf In-Reply-To: X-Originating-IP: [10.253.83.51] X-ClientProxiedBy: EX19D031UWA002.ant.amazon.com (10.13.139.96) To EX19D020UWC004.ant.amazon.com (10.13.138.149) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Ck9uIDAzLjA1LjIzIDE4OjUxLCBDbGF1ZGlvIENhcnZhbGhvIHdyb3RlOgoKPgo+IEhpIEpvcmcs Cj4KPiBPbiBXZWQsIDIwMjMtMDUtMDMgYXQgMTQ6MjYgKzAyMDAsIErDtnJnIFLDtmRlbCB3cm90 ZToKPj4+ICAgIC0gQXJlIHlvdSBvcGVuIHRvIGhhdmluZyBtYWludGFpbmVycyBvdXRzaWRlIG9m IFNVU0U/IFRoZXJlIGlzIHNvbWUKPj4+ICAgICAgbGludXgtc3ZzbSBjb21tdW5pdHkgY29uY2Vy biBhYm91dCBwcm9qZWN0IGdvdmVybmFuY2UgYW5kIHByb2plY3QKPj4+ICAgICAgcHJpb3JpdGll cyBhbmQgcmVsZWFzZSBzY2hlZHVsZXMuIFRoaXMgd291bGRuJ3QgaGF2ZSB0byBiZSBBTUQgZXZl biwKPj4+ICAgICAgYnV0IHdlJ2Qgdm9sdW50ZWVyIHRvIGhlbHAgaGVyZSBpZiBkZXNpcmVkLCBi dXQgd2UnZCBsaWtlIHRvIGZvc3RlciBhCj4+PiAgICAgIHRydWUgY29tbXVuaXR5IG1vZGVsIGZv ciBnb3Zlcm5hbmNlIHJlZ2FyZGxlc3MuIFdlJ2QgbG92ZSB0byBoZWFyCj4+PiAgICAgIHRob3Vn aHRzIG9uIHRoaXMgZnJvbSBjb2NvbnV0LXN2c20gZm9sa3MuCj4+IFllcywgSSBhbSBkZWZpbml0 ZWx5IHdpbGxpbmcgdG8gbWFrZSB0aGUgcHJvamVjdCBtb3JlIG9wZW4gYW5kIG1vdmUgdG8gYQo+ PiBtYWludGFpbmVyLWdyb3VwIG1vZGVsLCBubyBpbnRlbnRpb24gZnJvbSBteSBzaWRlIHRvIGJl Y29tZSBhIEJERkwgZm9yCj4+IHRoZSBwcm9qZWN0LiBJIGp1c3QgaGF2ZSBubyBjbGVhciBwaWN0 dXJlIHlldCBob3cgdGhlIG1vZGVsIHNob3VsZCBsb29rCj4+IGxpa2UgYW5kIGhvdyB0byBnZXQg dGhlcmUuIEkgd2lsbCBzZW5kIGEgc2VwYXJhdGUgZW1haWwgdG8ga2ljay1zdGFydCBhCj4+IGRp c2N1c3Npb24gYWJvdXQgdGhhdC4KPj4KPiBUaGFua3MuIEkgd291bGQgYmUgaGFwcHkgdG8gY29s bGFib3JhdGUgaW4gdGhhdCBkaXNjdXNzaW9uLgo+Cj4+PiAgICAtIE9uIHRoZSBzdWJqZWN0IG9m IHByaW9yaXRpZXMsIHRoZSBudW1iZXIgb25lIHByaW9yaXR5IGZvciB0aGUKPj4+ICAgICAgbGlu dXgtc3ZzbSBwcm9qZWN0IGhhcyBiZWVuIHRvIHF1aWNrbHkgYWNoaWV2ZSBwcm9kdWN0aW9uIHF1 YWxpdHkgdlRQTQo+Pj4gICAgICBzdXBwb3J0LiBUaGUgc3VwcG9ydCBmb3IgdGhpcyBpcyBiZWlu ZyBhY3RpdmVseSB3b3JrZWQgb24gYnkKPj4+ICAgICAgbGludXgtc3ZzbSBjb250cmlidXRvcnMg YW5kIHdlJ2Qgd2FudCB0byBmaW5kIGZhc3Rlc3QgcGF0aCB0b3dhcmRzCj4+PiAgICAgIGdldHRp bmcgdGhhdCByZWRpcmVjdGVkIGludG8gY29jb251dC1zdnNtIChwb3NzaWJseSBzdGFydGluZyB3 aXRoIENQTDAKPj4+ICAgICAgaW1wbGVtZW50YXRpb24gdW50aWwgQ1BMMyBzdXBwb3J0IGlzIGF2 YWlsYWJsZSkgYW5kIHRoZSBwcm9qZWN0Cj4+PiAgICAgIGhhcmRlbmVkIGZvciBhIHJlbGVhc2Uu ICBJIGltYWdpbmUgdGhlcmUgd2lsbCBiZSBzb21lIGNvbXBldGluZwo+Pj4gICAgICBwcmlvcml0 aWVzIGZyb20gY29jb251dC1zdnNtIHByb2plY3QgY3VycmVudGx5LCBzbyB3YW50ZWQgdG8gZ2V0 IHRoaXMKPj4+ICAgICAgb3V0IG9uIHRoZSB0YWJsZSBmcm9tIHRoZSBiZWdpbm5pbmcuCj4+IFRo YXQgaGFzIGJlZW4gdW5kZXIgZGlzY3Vzc2lvbiBmb3Igc29tZSB0aW1lLCBhbmQgaG9uZXN0bHkg SSB0aGluawo+PiB0aGUgYXBwcm9hY2ggdGFrZW4gaXMgdGhlIG1haW4gZGlmZmVyZW5jZSBiZXR3 ZWVuIGxpbnV4LXN2c20gYW5kCj4+IENPQ09OVVQuIE15IHBvc2l0aW9uIGhlcmUgaXMsIGFuZCB0 aGF0IGNvbWVzIHdpdGggYSBiaWcgJ0JVVCcsIHRoYXQgSSBhbQo+PiBub3QgZnVuZGFtZW50YWxs eSBvcHBvc2VkIHRvIGhhdmluZyBhIHRlbXBvcmFyeSBzb2x1dGlvbiBmb3IgdGhlIFRQTQo+PiB1 bnRpbCBDUEwtMyBzdXBwb3J0IGlzIGF0IGEgcG9pbnQgd2hlcmUgaXQgY2FuIHJ1biBhIFRQTSBt b2R1bGUuCj4+Cj4+IEFuZCBoZXJlIGNvbWUgdGhlICdCVVQnOiBTaW5jZSB0aGUgZ29hbCBvZiBo YXZpbmcgb25lIHByb2plY3QgaXMgdG8KPj4gYnVuZGxlIGNvbW11bml0eSBlZmZvcnRzLCBJIHRo aW5rIHRoYXQgdGhlIGpvaW50IGVmZm9ydHMgYXJlIGJldHRlcgo+PiB0YXJnZXRlZCBhdCBnZXR0 aW5nIENQTC0zIHN1cHBvcnQgdG8gYSBwb2ludCB3aGVyZSBpdCBjYW4gcnVuIG1vZHVsZXMuCj4+ IE9uIHRoYXQgc2lkZSBzb21lIGlucHV0IGFuZCBoZWxwIGlzIG5lZWRlZCwgZXNwZWNpYWxseSB0 byBkZWZpbmUgdGhlCj4+IHN5c2NhbGwgaW50ZXJmYWNlIHNvIHRoYXQgaXQgc3VpdHMgdGhlIG5l ZWRzIG9mIGEgVFBNIGltcGxlbWVudGF0aW9uLgo+Pgo+PiBJdCBpcyBhbHNvIG5vdCB0aGUgY2Fz ZSB0aGF0IENQTC0zIHN1cHBvcnQgaXMgb3V0IG1vcmUgdGhhbiBhIHllYXIgb3IKPj4gc28uIFRo ZSBSYW1GUyBpcyBhbG1vc3QgcmVhZHksIGFzIGlzIHRoZSBhcmNoaXZlIGZpbGUgaW5jbHVzaW9u WzFdLiBXZQo+PiB3aWxsIG1vdmUgdG8gdGFzayBtYW5hZ2VtZW50IG5leHQsIHRoZSBnb2FsIGlz IHN0aWxsIHRvIGhhdmUgYmFzaWMKPj4gc3VwcG9ydCByZWFkeSBpbiAySDIwMjMuCj4+Cj4+IFsx XSBodHRwczovL2dpdGh1Yi5jb20vY29jb251dC1zdnNtL3N2c20vcHVsbC8yNwo+Pgo+PiBJZiB0 aGVyZSBpcyBzdGlsbCBhIHN0cm9uZyBkZXNpcmUgdG8gaGF2ZSBDT0NPTlVUIHdpdGggYSBUUE0g KHJ1bm5pbmcgYXQKPj4gQ1BMLTApIGJlZm9yZSBDUEwtMyBzdXBwb3J0IGlzIHVzYWJsZSwgdGhl biBJIGNhbiBsaXZlIHdpdGggaW5jbHVkaW5nCj4+IGNvZGUgZm9yIHRoYXQgYXMgYSB0ZW1wb3Jh cnkgc29sdXRpb24uIEJ1dCBsaW5raW5nIGh1Z2UgYW1vdW50cyBvZiBDCj4+IGNvZGUgKGxpa2Ug b3BlbnNzbCBvciBhIHRwbSBsaWIpIGludG8gdGhlIFNWU00gcnVzdCBiaW5hcnkga2luZCBvZgo+ PiBjb250cmFkaWN0cyB0aGUgZ29hbHMgd2hpY2ggbWFkZSB1cyB1c2luZyBSdXN0IGZvciBwcm9q ZWN0IGluIHRoZSBmaXJzdAo+PiBwbGFjZS4gVGhhdCBpcyB3aHkgSSBvbmx5IHNlZSB0aGlzIGFz IGEgdGVtcG9yYXJ5IHNvbHV0aW9uLgo+Pgo+Pgo+IEkgdGhpbmsgdGhlIGNyeXB0byBzdXBwb3J0 IHJlcXVpcmVzIG1vcmUgZGVzaWduIGRpc2N1c3Npb24gc2luY2UgaXQgaXMgcmVxdWlyZWQKPiBp biBtdWx0aXBsZSBwbGFjZXMuCj4KPiBUaGUgZXhwZXJpZW5jZSBJJ3ZlIGhhZCBhZGRpbmcgU1ZT TS12VFBNIHN1cHBvcnQgaXMgdGhhdCB0aGUgU1ZTTSBuZWVkcyBjcnlwdG8KPiBmb3IgcmVxdWVz dGluZyBhbiBhdHRlc3RhdGlvbiByZXBvcnQgKFNOUF9HVUVTVF9SRVFVRVNUIG1lc3NhZ2VzIHNl bnQgdG8gdGhlCj4gc2VjdXJpdHkgcHJvY2Vzc29yIFBTUCBoYXZlIHRvIGJlIGVuY3J5cHRlZCB3 aXRoIEFFU19HQ00pIGFuZCB0aGUgdlRQTSBhbHNvCj4gbmVlZHMgY3J5cHRvIGZvciB0aGUgVFBN IGNyeXB0byBvcGVyYXRpb25zLiBXZSBjb3VsZCBqdXN0IGR1cGxpY2F0ZSB0aGUgY3J5cHRvCj4g bGlicmFyeSwgb3IgZmluZCBhIHdheSB0byBzaGFyZSBpdCAoZS5nLiB2ZHNvIGFwcHJvYWNoKS4K Pgo+IEZvciB0aGUgU1ZTTSwgaXQgd291bGQgYmUgcnVzdCBjb2RlIHRhbGtpbmcgdG8gdGhlIGNy eXB0byBsaWJyYXJ5OyBmb3IgdGhlIHZUUE0KPiBpdCB3b3VsZCBiZSB0aGUgdlRQTSAobW9zdCBs aWtlbHkgYW4gZXhpc3RpbmcgQyBpbXBsZW1lbnRhdGlvbikgdGFsa2luZyB0byB0aGUKPiBjcnlw dG8gbGlicmFyeS4KCgpXaXRoIFNWU00sIHdlJ3JlIHJlaW50cm9kdWNpbmcgYSBuZXcgd2F5IG9m IGRvaW5nIFNNTSBpbnNpZGUgdmlydHVhbCAKbWFjaGluZXM6IEEgaGlnaGVyIHByaXZpbGVnZSBt b2RlIHRoYW4gY2FuIHRyYW5zcGFyZW50bHkgcnVuIGFyYml0cmFyeSAKY29kZSBhdCBhcmJpdHJh cnkgdGltZXMsIGludmlzaWJsZSB0byB0aGUgT1MuCgpUaGF0IG1lYW5zIGFueSBidWcgaW4gdGhh dCBjb2RlIGlzIGZhdGFsLiBUUE0gaW1wbGVtZW50YXRpb25zIG1heSAKcmVjZWl2ZSB1bnRydXN0 ZWQgaW5wdXRzIGZyb20gdXNlciBzcGFjZS4gVGhhdCBtZWFucyB3ZSBuZWVkIHRvIGNvbmZpbmUg Cml0IGFzIHN0cm9uZ2x5IGFzIHBvc3NpYmxlOiBUaGUgc3lzY2FsbCBpbnRlcmZhY2UgbmVlZHMg dG8gYmUgYXMgbWluaW1hbCAKYW5kIHN0YXRpYyAobm8gZHluYW1pYyBtZW1vcnkgYWxsb2NhdGlv bnMsIG9iamVjdCBsaXZlY3ljbGVzLCBldGMpIGFzIApwb3NzaWJsZS4gVGhlIGxlc3MgbWVtb3J5 IHdlIHNoYXJlIGJldHdlZW4gdGhlIFRQTSBpbXBsZW1lbnRhdGlvbiBhbmQgCmFueXRoaW5nIG91 dHNpZGUsIHRoZSBiZXR0ZXIuIEFueSBtZW1vcnkgc2hhcmluZyBpcyBhIHBvdGVudGlhbCBzaWRl IApjaGFubmVsIGF0dGFjayB0YXJnZXQgKGRhdGEpIG9yIHNpZGUgY2hhbm5lbCB0cmFpbmluZyB0 YXJnZXQgKGNvZGUpLgoKU28gdG8gZm9sZCB0aGlzIGludG8gdGhlIHBhcmFncmFwaCBhYm92ZTog UGxlYXNlIGRvbid0IG92ZXJ0aGluayAvIApvdmVyZW5naW5lZXIgdGhpcy4gQXBwbGljYXRpb25z IHNob3VsZCBiZSBhcyBzZWxmIGNvbnRhaW5lZCBhcyBwb3NzaWJsZS4gCk5vIFZEU08sIG5vIGRp cmVjdCBsaW5raW5nLiBJZGVhbGx5IGV2ZW4gZnVsbHkgc3RhdGljIGF0IGJvb3QgbWVtb3J5IAph bGxvY2F0aW9uLgoKCkFsZXgKCgoKCkFtYXpvbiBEZXZlbG9wbWVudCBDZW50ZXIgR2VybWFueSBH bWJICktyYXVzZW5zdHIuIDM4CjEwMTE3IEJlcmxpbgpHZXNjaGFlZnRzZnVlaHJ1bmc6IENocmlz dGlhbiBTY2hsYWVnZXIsIEpvbmF0aGFuIFdlaXNzCkVpbmdldHJhZ2VuIGFtIEFtdHNnZXJpY2h0 IENoYXJsb3R0ZW5idXJnIHVudGVyIEhSQiAxNDkxNzMgQgpTaXR6OiBCZXJsaW4KVXN0LUlEOiBE RSAyODkgMjM3IDg3OQoKCg==