From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Spotswood <john.a.spotswood@intel.com>
Subject: Re: [PATCH 4/5] drm/i915/icl/huc: Correctly
 authenticate the HuC for Icelake
Date: Tue, 08 May 2018 16:22:54 -0700
Message-ID: <1525821774.3618.17.camel@intel.com>
References: <1525287804-2071-1-git-send-email-oscar.mateo@intel.com>
 <1525287804-2071-5-git-send-email-oscar.mateo@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga05.intel.com (mga05.intel.com [192.55.52.43])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 7F14B6EBD9
 for <intel-gfx@lists.freedesktop.org>; Tue,  8 May 2018 23:22:54 +0000 (UTC)
In-Reply-To: <1525287804-2071-5-git-send-email-oscar.mateo@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Oscar Mateo <oscar.mateo@intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

T24gV2VkLCAyMDE4LTA1LTAyIGF0IDEyOjAzIC0wNzAwLCBPc2NhciBNYXRlbyB3cm90ZToKPiBU
aGUgcmVnaXN0ZXIgdG8gY2hlY2sgZm9yIGNvcnJlY3QgSHVDIGF1dGhlbnRpY2F0aW9uIGJ5IHRo
ZSBHdUMKPiBoYXMgY2hhbmdlZCBpbiBJY2VsYWtlLiBMb29rIGludG8gdGhlIHJpZ2h0IHJlZ2lz
dGVyICYgYml0Lgo+IAo+IHYyOiByZWJhc2VkLgo+IHYzOiByZWJhc2VkLgo+IHY0OiBGaXggSTkx
NV9QQVJBTV9IVUNfU1RBVFVTIGFzIHdlbGwgKFRvbnkpCj4gdjU6IEZpeCBkdXBsaWNhdGUgQ2MK
PiAKPiBCU3BlYzogMTk2ODYKPiAKPiBTaWduZWQtb2ZmLWJ5OiBPc2NhciBNYXRlbyA8b3NjYXIu
bWF0ZW9AaW50ZWwuY29tPgo+IENjOiBUb255IFllIDx0b255LnllQGludGVsLmNvbT4KPiBDYzog
VmluYXkgQmVsZ2F1bWthciA8dmluYXkuYmVsZ2F1bWthckBpbnRlbC5jb20+Cj4gQ2M6IE1pY2hl
bCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRlbC5jb20+Cj4gQ2M6IE1pY2hhbCBXYWpkZWN6
a28gPG1pY2hhbC53YWpkZWN6a29AaW50ZWwuY29tPgo+IENjOiBKb2huIFNwb3Rzd29vZCA8am9o
bi5hLnNwb3Rzd29vZEBpbnRlbC5jb20+CgpSZXZpZXdlZC1ieTogSm9obiBTcG90c3dvb2QgPGpv
aG4uYS5zcG90c3dvb2RAaW50ZWwuY29tPgoKPiBDYzogQW51c2hhIFNyaXZhdHNhIDxhbnVzaGEu
c3JpdmF0c2FAaW50ZWwuY29tPgo+IC0tLQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf
Z3VjX3JlZy5oIHzCoMKgMyArKysKPiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2h1Yy5j
wqDCoMKgwqDCoHwgMjMgKysrKysrKysrKysrKysrKysrKy0tLS0KPiDCoDIgZmlsZXMgY2hhbmdl
ZCwgMjIgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJp
dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjX3JlZy5oCj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkx
NS9pbnRlbF9ndWNfcmVnLmgKPiBpbmRleCBkODYwODQ3Li45ZjE0ZjlmIDEwMDY0NAo+IC0tLSBh
L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1Y19yZWcuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1
L2RybS9pOTE1L2ludGVsX2d1Y19yZWcuaAo+IEBAIC03Niw2ICs3Niw5IEBACj4gwqAjZGVmaW5l
IEhVQ19TVEFUVVMywqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBfTU1JTygweEQzQjApCj4gwqAj
ZGVmaW5lwqDCoMKgSFVDX0ZXX1ZFUklGSUVEwqDCoMKgwqDCoMKgwqAoMTw8NykKPiDCoAo+ICsj
ZGVmaW5lIEhVQ19LRVJORUxfTE9BRF9JTkZPCV9NTUlPKDB4QzFEQykKPiArI2RlZmluZcKgwqDC
oEhVQ19MT0FEX1NVQ0NFU1NGVUwJKDEgPDwgMCkKPiArCj4gwqAjZGVmaW5lIEdVQ19XT1BDTV9T
SVpFCQkJX01NSU8oMHhjMDUwKQo+IMKgI2RlZmluZcKgwqDCoEdVQ19XT1BDTV9TSVpFX0xPQ0tF
RAkJwqDCoCgxPDwwKQo+IMKgI2RlZmluZcKgwqDCoEdVQ19XT1BDTV9TSVpFX1NISUZUCQkxMgo+
IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9odWMuYwo+IGIvZHJpdmVy
cy9ncHUvZHJtL2k5MTUvaW50ZWxfaHVjLmMKPiBpbmRleCAyOTEyODUyLi5iNTA5NzU2IDEwMDY0
NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2h1Yy5jCj4gKysrIGIvZHJpdmVy
cy9ncHUvZHJtL2k5MTUvaW50ZWxfaHVjLmMKPiBAQCAtNDgsOSArNDgsMTkgQEAgaW50IGludGVs
X2h1Y19hdXRoKHN0cnVjdCBpbnRlbF9odWMgKmh1YykKPiDCoAlzdHJ1Y3QgZHJtX2k5MTVfcHJp
dmF0ZSAqaTkxNSA9IGh1Y190b19pOTE1KGh1Yyk7Cj4gwqAJc3RydWN0IGludGVsX2d1YyAqZ3Vj
ID0gJmk5MTUtPmd1YzsKPiDCoAlzdHJ1Y3QgaTkxNV92bWEgKnZtYTsKPiArCWk5MTVfcmVnX3Qg
c3RhdHVzX3JlZzsKPiDCoAl1MzIgc3RhdHVzOwo+ICsJdTMyIHN0YXR1c19vazsKPiDCoAlpbnQg
cmV0Owo+IMKgCj4gKwlpZiAoSU5URUxfR0VOKGk5MTUpID49IDExKSB7Cj4gKwkJc3RhdHVzX3Jl
ZyA9IEhVQ19LRVJORUxfTE9BRF9JTkZPOwo+ICsJCXN0YXR1c19vayA9IEhVQ19MT0FEX1NVQ0NF
U1NGVUw7Cj4gKwl9IGVsc2Ugewo+ICsJCXN0YXR1c19yZWcgPSBIVUNfU1RBVFVTMjsKPiArCQlz
dGF0dXNfb2sgPSBIVUNfRldfVkVSSUZJRUQ7Cj4gKwl9Cj4gKwo+IMKgCWlmIChodWMtPmZ3Lmxv
YWRfc3RhdHVzICE9IElOVEVMX1VDX0ZJUk1XQVJFX1NVQ0NFU1MpCj4gwqAJCXJldHVybiAtRU5P
RVhFQzsKPiDCoAo+IEBAIC03Miw5ICs4Miw5IEBAIGludCBpbnRlbF9odWNfYXV0aChzdHJ1Y3Qg
aW50ZWxfaHVjICpodWMpCj4gwqAKPiDCoAkvKiBDaGVjayBhdXRoZW50aWNhdGlvbiBzdGF0dXMs
IGl0IHNob3VsZCBiZSBkb25lIGJ5IG5vdyAqLwo+IMKgCXJldCA9IF9faW50ZWxfd2FpdF9mb3Jf
cmVnaXN0ZXIoaTkxNSwKPiAtCQkJCQlIVUNfU1RBVFVTMiwKPiAtCQkJCQlIVUNfRldfVkVSSUZJ
RUQsCj4gLQkJCQkJSFVDX0ZXX1ZFUklGSUVELAo+ICsJCQkJCXN0YXR1c19yZWcsCj4gKwkJCQkJ
c3RhdHVzX29rLAo+ICsJCQkJCXN0YXR1c19vaywKPiDCoAkJCQkJMiwgNTAsICZzdGF0dXMpOwo+
IMKgCWlmIChyZXQpIHsKPiDCoAkJRFJNX0VSUk9SKCJIdUM6IEZpcm13YXJlIG5vdCB2ZXJpZmll
ZCAlI3hcbiIsCj4gc3RhdHVzKTsKPiBAQCAtMTEyLDcgKzEyMiwxMiBAQCBpbnQgaW50ZWxfaHVj
X2NoZWNrX3N0YXR1cyhzdHJ1Y3QgaW50ZWxfaHVjCj4gKmh1YykKPiDCoAkJcmV0dXJuIC1FTk9E
RVY7Cj4gwqAKPiDCoAlpbnRlbF9ydW50aW1lX3BtX2dldChkZXZfcHJpdik7Cj4gLQlzdGF0dXMg
PSBJOTE1X1JFQUQoSFVDX1NUQVRVUzIpICYgSFVDX0ZXX1ZFUklGSUVEOwo+ICsKPiArCWlmIChJ
TlRFTF9HRU4oZGV2X3ByaXYpID49IDExKQo+ICsJCXN0YXR1cyA9IEk5MTVfUkVBRChIVUNfS0VS
TkVMX0xPQURfSU5GTykgJgo+IEhVQ19MT0FEX1NVQ0NFU1NGVUw7Cj4gKwllbHNlCj4gKwkJc3Rh
dHVzID0gSTkxNV9SRUFEKEhVQ19TVEFUVVMyKSAmIEhVQ19GV19WRVJJRklFRDsKPiArCj4gwqAJ
aW50ZWxfcnVudGltZV9wbV9wdXQoZGV2X3ByaXYpOwo+IMKgCj4gwqAJcmV0dXJuIHN0YXR1czsK
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4
IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz
dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==