From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH v7 1/2] drm/i915: Reorganize HuC authentication Date: Fri, 22 Sep 2017 14:39:23 +0300 Message-ID: <1506080363.6232.76.camel@linux.intel.com> References: <1506074867-32714-1-git-send-email-sagar.a.kamble@intel.com> <1506074867-32714-2-git-send-email-sagar.a.kamble@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA5BF6E9A5 for ; Fri, 22 Sep 2017 11:39:42 +0000 (UTC) In-Reply-To: <1506074867-32714-2-git-send-email-sagar.a.kamble@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sagar Arun Kamble , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE3LTA5LTIyIGF0IDE1OjM3ICswNTMwLCBTYWdhciBBcnVuIEthbWJsZSB3cm90 ZToKPiBQcmVwYXJlZCBpbnRlbF9hdXRoX2h1YyB0byBzZXBhcmF0ZSBIdUMgc3BlY2lmaWMgZnVu Y3Rpb25hbGl0eQo+IGZyb20gR3VDIHNlbmQgYWN0aW9uLiBDcmVhdGVkIG5ldyBoZWFkZXIgaW50 ZWxfaHVjLmggdG8gZ3JvdXAKPiBIdUMgc3BlY2lmaWMgZGVjbGFyYXRpb25zLgo+IAo+IHYyOiBD aGFuZ2VkIGFyZ3VtZW50IHByZXBhcmF0aW9uIGZvciBBVVRIRU5USUNBVEVfSFVDLgo+IHMvaW50 ZWxfYXV0aF9odWMvaW50ZWxfaHVjX2F1dGguIERlZmVycmVkIGNyZWF0aW9uIG9mIGludGVsX2h1 Yy5oCj4gdG8gbGF0ZXIgcGF0Y2guCj4gCj4gdjM6IFJlYmFzZSBhcyBpbnRlbF9ndWMuaCBpcyBy ZW1vdmVkLiBBZGRlZCBwYXJhbSBkZXNjcmlwdGlvbiB0bwo+IGludGVsX2h1Y19hdXRoLiAoTWlj aGFsKQo+IAo+IHY0OiBSZWJhc2UgYXMgaW50ZWxfZ3VjLmggaXMgYWRkZWQgYWdhaW4uIDopCj4g Cj4gdjU6IFJlYmFzZSB3LnIudCByZW1vdmFsIG9mIEd1QyBjb2RlIHJlc3RydWN0dXJpbmcuCj4g Cj4gQ2M6IE1pY2hhbCBXYWpkZWN6a28gPG1pY2hhbC53YWpkZWN6a29AaW50ZWwuY29tPgo+IENj OiBNaWNoYcWCIFdpbmlhcnNraSA8bWljaGFsLndpbmlhcnNraUBpbnRlbC5jb20+Cj4gUmV2aWV3 ZWQtYnk6IE1pY2hhbCBXYWpkZWN6a28gPG1pY2hhbC53YWpkZWN6a29AaW50ZWwuY29tPgo+IFNp Z25lZC1vZmYtYnk6IFNhZ2FyIEFydW4gS2FtYmxlIDxzYWdhci5hLmthbWJsZUBpbnRlbC5jb20+ Cgo8U05JUD4KCj4gQEAgLTIyNSwxOSArMjI1LDE2IEBAIHZvaWQgaW50ZWxfaHVjX2luaXRfaHco c3RydWN0IGludGVsX2h1YyAqaHVjKQo+ICB9Cj4gIAo+ICAvKioKPiAtICogaW50ZWxfZ3VjX2F1 dGhfaHVjKCkgLSBhdXRoZW50aWNhdGUgdWNvZGUKPiAtICogQGRldl9wcml2OiB0aGUgZHJtX2k5 MTVfZGV2aWNlCj4gLSAqCj4gLSAqIFRyaWdnZXJzIGEgSHVDIGZ3IGF1dGhlbnRpY2F0aW9uIHJl cXVlc3QgdG8gdGhlIEd1QyB2aWEgaW50ZWxfZ3VjX2FjdGlvbl8KPiAtICogYXV0aGVudGljYXRl X2h1YyBpbnRlcmZhY2UuCgpUaGlzIGlzIHN0aWxsIGFuIGV4cG9ydGVkIGZ1bmN0aW9uIGZyb20g dGhpcyBmaWxlLCBzbyBzaG91bGQgaGF2ZQprZXJuZWxkb2MgY29tbWVudC4gRXNwZWNpYWxseSBu b3cgdGhhdCB3ZSBoYXZlIHR3byB2ZXJ5IHNpbWlsYXIKZXhwb3J0ZWQgZnVuY3Rpb25zLCBpdCB3 b3VsZCBiZSBiZW5lZmljaWFsIHRvIGNyb3NzbGluayB0aGVtIGluIHRoZQpyZXN1bHRpbmcgZG9j dW1lbnRhdGlvbiB0aGF0J2xsIGxvb2sgbGlrZToKCmh0dHBzOi8vMDEub3JnL2xpbnV4Z3JhcGhp Y3MvZ2Z4LWRvY3MvZHJtL2dwdS9pOTE1Lmh0bWwjYy5pbnRlbF9ndWNfaW5pdF9odwoKU28gcHJv cGVyIHNlbnRlbmNlcyBhbmQgY2FwaXRhbGlzYXRpb24gaXMgbXVjaCBwcmVmZXJyZWQuCgpJJ20g YWxzbyBub3RpY2luZyB0aGF0IHdlJ3JlIG5vdCBwcm9wZXJseSBsaW5raW5nIGFsbCBwb3J0aW9u cyBvZiB0aGUKY29kZSB0byBiZSBpbmNsdWRlZCBpbiBkb2NzLCBJJ2xsIHNlbmQgYSBmaXggZm9y IHRoYXQuCgo+ICsgKiBpbnRlbF9odWNfYXV0aCgpIC0gYXV0aGVudGljYXRlIHVjb2RlCj4gKyAq IEBodWM6IGludGVsX2h1YyBzdHJ1Y3R1cmUKPiAgICovCj4gLXZvaWQgaW50ZWxfZ3VjX2F1dGhf aHVjKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiArdm9pZCBpbnRlbF9odWNf YXV0aChzdHJ1Y3QgaW50ZWxfaHVjICpodWMpCj4gIHsKPiArCXN0cnVjdCBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdiA9IGh1Y190b19pOTE1KGh1Yyk7Cj4gIAlzdHJ1Y3QgaW50ZWxfZ3VjICpn dWMgPSAmZGV2X3ByaXYtPmd1YzsKCkFzIHRoZXJlJ3Mgb25seSBvbmUgbW9yZSBvZiBpbnN0YW5j ZSBvZiAnZGV2X3ByaXYnIGluIHRoaXMgZnVuYyBzbyBqdXN0CnJlbmFtZSBpdCB0byAnaTkxNScg d2hpbGUgdG91Y2hpbmcgdGhlIGZ1bmMuIEd1QyBpcyByZWFsbHkgY2xvc2UgdG8gdGhlCkdFTSBz byBzaW1pbGFyIHN0eWxlIGlzIGdvb2QuCgo+IEBAIC0yNTAsMTEgKzI0Nyw4IEBAIHZvaWQgaW50 ZWxfZ3VjX2F1dGhfaHVjKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiAgCQly ZXR1cm47Cj4gIAl9Cj4gIAo+IC0JLyogU3BlY2lmeSBhdXRoIGFjdGlvbiBhbmQgd2hlcmUgcHVi bGljIHNpZ25hdHVyZSBpcy4gKi8KPiAtCWRhdGFbMF0gPSBJTlRFTF9HVUNfQUNUSU9OX0FVVEhF TlRJQ0FURV9IVUM7Cj4gLQlkYXRhWzFdID0gZ3VjX2dndHRfb2Zmc2V0KHZtYSkgKyBodWMtPmZ3 LnJzYV9vZmZzZXQ7Cj4gLQo+IC0JcmV0ID0gaW50ZWxfZ3VjX3NlbmQoZ3VjLCBkYXRhLCBBUlJB WV9TSVpFKGRhdGEpKTsKPiArCW9mZnNldCA9IGd1Y19nZ3R0X29mZnNldCh2bWEpICsgaHVjLT5m dy5yc2Ffb2Zmc2V0Owo+ICsJcmV0ID0gaW50ZWxfZ3VjX2F1dGhfaHVjKGd1Yywgb2Zmc2V0KTsK CldpdGggdGhlIGNvZGUgY2xlYW51cCwgdGhlIG9mZnNldCB2YXJpYWJsZSBzZWVtcyB1bm5lY2Vz c2FyeSB0byBtZSwKanVzdCBkbzoKCglyZXQgPSBpbnRlbF9ndWNfYXV0aF9odWMoZ3VjLAoJCQkJ IGd1Y19nZ3R0X29mZnNldCh2bWEpICsgaHVjLT5mdy5yc2Ffb2Zmc2V0KTsKCk90aGVyIHRoYW4g dGhhdCwgTEdUTS4KClJlZ2FyZHMsIEpvb25hcwotLSAKSm9vbmFzIExhaHRpbmVuCk9wZW4gU291 cmNlIFRlY2hub2xvZ3kgQ2VudGVyCkludGVsIENvcnBvcmF0aW9uCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50 ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=