From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sylwester Sosnowski Subject: Issues with PCI-Passtrough (VT-d) in HVM with Xen 4.6 Date: Thu, 2 Jun 2016 21:59:29 +0200 Message-ID: <57509021.1060506@datanoise.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: Jeremy Fitzhardinge List-Id: xen-devel@lists.xenproject.org Cklzc3VlcyB3aXRoIFBDSS1QYXNzdHJvdWdoIChWVC1kKSBpbiBIVk0gd2l0aCBYZW4gNC42Cj09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09CgpCYWNr Z3JvdW5kCi0tLS0tLS0tLS0KCkkgYW0gdHJ5aW5nIHRvIHBhc3N0aHJvdWdoIGFuIEluZHVzdHJp YWwgRXRoZXJuZXQgSW50ZXJmYWNlCihIaWxzY2hlciBHbWJIIENJRlggNTBFLURQKE0vUykpIG9u IGEgSFZNIERvbVUgcnVubmluZyB0aGUKWGVuIDQuNiBIeXBlcnZpc29yLiBUaGUgY2FyZCBpcyBi ZWluZyBwYXNzLXRyb3VnaCB0byB0aGUgSFZNCnVzaW5nIHRoZSBQQ0kgcGVybWlzc2l2ZSBtb2Rl IGFuZCBWVC1kIGlzIGFjdGl2ZSBvbiB0aGlzIHBsYXRmb3JtLgoKVGhlIExpbnV4IGRyaXZlciBv ZiB0aGUgY2FyZCAoYXZhaWxhYmxlIG9ubHkgd2l0aCBOREEpIGF0IGZpcnN0CnNpZ2h0IHNlZW1z IHRvIHdvcmsgcHJvcGVybHkgKGUuZy4gbm8gc3lzdGVtIHN0YWJpbGl0eSBwcm9ibGVtcywKbm8g Y2FsbCB0cmFjZXMgaW4gZG1lc2cpLgoKSGlsc2NoZXIgcHJvdmlkZXMgdGhlIGxpYmNpZngsIHdo aWNoIGlzIGFuIHVzZXItbGV2ZWwgbGlicmFyeQpmb3IgYWNjZXNzaW5nIHRoZSBjYXJkLiBsaWJj Zml4IHVzZXMgdGhlIGdlbmVyaWMgVUlPIGludGVyZmFjZQphbmQgc29tZSBjYXJkLXNwZWNpZmlj IGludGVyZmFjZXMgdG8gY29tbXVuaWNhdGUuCgpJc3N1ZQotLS0tLQoKV2hlbmV2ZXIgbGliY2lm eCB0cmllcyBwZXJmb3JtIGEgcmVzZXQgc2VxdWVuY2UgaW5pdGlhbGl6aW5nCnRoZSBjYXJkIHBl cmlwaGVyYWxzLCB3ZSBnZXQgYW4gZW1wdHkgLyBpbnZhbGlkIHJlc3VsdC4KCkkgZGlnZ2VkIGRl ZXBlciBpbnRvIHRoaXMgYnkgYWRkaW5nIHNvbWUgZGVidWcgaG9va3MgaW50byB0aGUKeGVuLXBj aWJhY2sga2VybmVsIG1vZHVsZS4KClRoZSBjYXJkIHBlcmZvcm1zIHdyaXRlcyB0byBvZmZzZXQg MHgxMCBhbmQgMHgzMCBhdCBjYXJkCmluaXRpYWxpemF0aW9uIChtb3N0bHkgd3JpdGluZyBkd29y ZHMgYW5kIHdvcmRzKS4KClRvIHZlcmlmeSBpZiB0aGUgd3JpdGVzIHdlcmUgcGVyZm9ybWVkIHN1 Y2Nlc3NmdWxseSwgSSByZWFkCmJhY2sgdGhlIHZhbHVlcyBhZnRlciB3cml0aW5nIGFuZCBjYW4g c2VlIHRoYXQgdGhlIHJlYWQgZGF0YQpkaWZmZXJzIGZyb20gdGhlIHdyaXR0ZW4gb25lLgoKVGVt cG9yYXJ5IEZpeAotLS0tLS0tLS0tLS0tCgpBZnRlciBjaGVja2luZyB0aGUgc291cmNlWzFdIG9m IHRoZSBQQ0kgY29uZmlndXJhdGlvbiBzcGFjZQpoYW5kbGluZyBpbiB4ZW4tcGNpYmFjaywgSSBm b3VuZCBvdXQgdGhhdCBjaGFuZ2luZyBsaW5lIDI1OAp0byByZWFkCgogICAgaWYgKGhhbmRsZWQg JiYgIWVycikgewoKaW5zdGVhZCBvZjoKCiAgICBpZiAoIWhhbmRsZWQgJiYgIWVycikgewoKc29s dmVzIHRoZSBpc3N1ZSBhbmQgSSBjYW4gc3VjY2Vzc2Z1bGx5IHdyaXRlIHRvIHRoZSBpbnRlcmZh Y2UuCgpJIGFtIHVuc3VyZSB3aHkgdGhpcyB3b3JrcyBhbmQgaWYgaXQncyB0aGUgcmlnaHQgd2F5 IHRvIGRvIGl0Cm9yIHBvc3NpYmx5IGEgWGVuIGJ1Zywgc28gSSB3b3VsZCBsaWtlIHRvIGFzayBm b3IgZmVlZGJhY2sKZm9yIHRoaXMuCgoKUGxlYXNlIGxldCBtZSBrbm93IHdoZW5ldmVyIEkgY2Fu IHN1cHBseSBhZGRpdGlvbmFsIGxvZ2ZpbGVzIG9yCmluZm8uIEknZCBiZSBoYXBweSBpZiB3ZSBj YW4gcmVzb2x2ZSB3aGVuZXZlciB0aGlzIGlzIGEgaGFyZHdhcmUtCnNwZWNpZmljLCBkcml2ZXIt c3BlY2lmaWMgb3IgWGVuIGlzc3VlLgoKVGhhbmsgeW91LApTeWx3ZXN0ZXIKClBTOiBJIHRyaWVk IHRvIENDIFJ5YW4gV2lsc29uIGFuZCBLb25yYWQgUnplc3p1dGVrIFdpbGssIGJ1dCB0aGUKRS1N YWlsIHNlZW1zIHRvIGJlIG5vIGxvbmdlciBhY3RpdmUuIFRoaXMgaXMgd2hlcmUgdGhlIGNoYW5n ZXMKb3JpZ2luYXRlZC4KClJlZmVyZWNlcwotLS0tLS0tLS0KMS4KaHR0cHM6Ly9naXRodWIuY29t L2dvb2dsZS9rYXNhbi9ibG9iL21hc3Rlci9kcml2ZXJzL3hlbi94ZW4tcGNpYmFjay9jb25mX3Nw YWNlLmMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhl bi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3Rz Lnhlbi5vcmcveGVuLWRldmVsCg==