From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau =?utf-8?B?TW9ubsOp?= Subject: Re: [PATCH v4 4/5] amd/iommu: assign iommu devices to Xen Date: Thu, 15 Nov 2018 17:00:50 +0100 Message-ID: <20181115160050.n5chpgcq2qjye7ht@mac> References: <20181114115740.1050-1-roger.pau@citrix.com> <20181114115740.1050-5-roger.pau@citrix.com> <5BED921402000078001FC78F@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gNK5X-000449-4q for xen-devel@lists.xenproject.org; Thu, 15 Nov 2018 16:01:51 +0000 Content-Disposition: inline In-Reply-To: <5BED921402000078001FC78F@prv1-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: xen-devel , Brian Woods , Suravee Suthikulpanit List-Id: xen-devel@lists.xenproject.org T24gVGh1LCBOb3YgMTUsIDIwMTggYXQgMDg6MzQ6NDRBTSAtMDcwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gPj4+IE9uIDE0LjExLjE4IGF0IDEyOjU3LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdy b3RlOgo+ID4gLS0tIGEveGVuL2RyaXZlcnMvcGFzc3Rocm91Z2gvYW1kL2lvbW11X2luaXQuYwo+ ID4gKysrIGIveGVuL2RyaXZlcnMvcGFzc3Rocm91Z2gvYW1kL2lvbW11X2luaXQuYwo+ID4gQEAg LTk5Myw2ICs5OTMsMTYgQEAgc3RhdGljIHZvaWQgKiBfX2luaXQgYWxsb2NhdGVfcHByX2xvZyhz dHJ1Y3QgYW1kX2lvbW11ICppb21tdSkKPiA+ICAKPiA+ICBzdGF0aWMgaW50IF9faW5pdCBhbWRf aW9tbXVfaW5pdF9vbmUoc3RydWN0IGFtZF9pb21tdSAqaW9tbXUpCj4gPiAgewo+ID4gKyAgICBz dHJ1Y3QgcGNpX2RldiAqcGRldjsKPiA+ICsKPiA+ICsgICAgcGNpZGV2c19sb2NrKCk7Cj4gPiAr ICAgIHBkZXYgPSBwY2lfZ2V0X3BkZXYoaW9tbXUtPnNlZywgUENJX0JVUyhpb21tdS0+YmRmKSwK PiA+ICsgICAgICAgICAgICAgICAgICAgICAgICBQQ0lfREVWRk4yKGlvbW11LT5iZGYpKTsKPiA+ ICsgICAgaWYgKCBwZGV2ICkKPiA+ICsgICAgICAgIC8qIEFzc2lnbiB0aGUgSU9NTVUgUENJIGRl dmljZSB0byBYZW4gICovCj4gPiArICAgICAgICBwZGV2LT5kb21haW4gPSBkb21feGVuOwo+ID4g KyAgICBwY2lkZXZzX3VubG9jaygpOwo+IAo+IFdoeSBkbyB5b3Uga2luZCBvZiBvcGVuLWNvZGUg cGNpX2hpZGVfZGV2aWNlKCk/IEl0IHdvdWxkIG5lZWQKPiBleHRlbmRpbmcgdG8gY29wZSB3aXRo IGEgbm9uLXplcm8gc2VnbWVudCBudW1iZXIsIGJ1dCBJJ2QgbXVjaAo+IHByZWZlciBpZiB0aGVy ZSBjb3VsZCBiZSBvbmUgY2VudHJhbCBwbGFjZSB3aGVyZSB0aGUgbG9naWMgbGl2ZXMuCj4gVGhh dCB3YXkgbGlzdCBhZGRpdGlvbiB3b3VsZCBhbHNvIG5vdCBiZSBvbWl0dGVkLCBsaWtlIHlvdSBk by4KClN1cmUsIGV4cGFuZGluZyBwY2lfaGlkZV9kZXZpY2UgaXMgYmV0dGVyLCBJIGp1c3QgZGlk bid0IHJlYWxpemUgdGhpcwpmdW5jdGlvbiBleGlzdGVkIGluIHRoZSBmaXJzdCBwbGFjZS4KCj4g QXMgdG8gdGhlIGhpZGluZyBpbiBnZW5lcmFsLCBhbHNvIGNvbnNpZGVyaW5nIEFuZHJldydzIG9i amVjdGlvbjoKPiBBcmUgdGhlc2UgZGV2aWNlcyByZXByZXNlbnRpbmcgdGhlIElPTU1VIGFuZCBu b3RoaW5nIGVsc2U/IEFzCj4gbWVudGlvbmVkIGJ5IEFuZHJldyBzb21ldGhpbmcgc2ltaWxhciB3 b3VsZCBiZSBuZWVkZWQgb24gdGhlCj4gVlQtZCBzaWRlLCBidXQgaWlyYyB0aGVyZSdzIGxlc3Mg Y2xlYXIgb2YgYSByZWxhdGlvbnNoaXAgdGhlcmUgaW4gYW55Cj4gZXZlbnQgKHdoaWNoIGNhdXNl cyBtZSB0byB3b25kZXIgYWJvdXQgdGhlIHNpdHVhdGlvbiBvbiB0aGUKPiBBTUQgc2lkZSkuIEkn bSBhc2tpbmcgbm90IHRoZSBsZWFzdCBiZWNhdXNlIGlpcmMgYXQgdGhlIHRpbWUKPiBwY2lfaGlk ZV9kZXZpY2UoKSB3YXMgaW50cm9kdWNlZCBJIHRoaW5rIGl0IHdhcyBjb25zaWRlcmVkIHRvCj4g aGlkZSB0aGUgQU1EIElPTU1VIGRldmljZXM7IEkgZG9uJ3QgcmVjYWxsIHdoeSB3ZSBkaWRuJ3Qg aW4gdGhlCj4gZW5kLCB0aG91Z2guCgpJIHRoaW5rIHRoaXMgd291bGQgYmUgZWFzaWVyIGlmIEkg Z2l2ZSBtb3JlIGNvbnRleHQgYWJvdXQgdGhlIGlzc3VlCkknbSBoaXR0aW5nIGhlcmUsIHdoaWNo IGlzIHZlcnkgc2ltaWxhciB0byB0aGUgaXNzdWUgcGF0Y2ggNS81CmF0dGVtcHRzIHRvIGFkZHJl c3MuCgpUaGUgcHJvYmxlbSBpcyB0aGF0IHRoZSBJT01NVSBQQ0kgZGV2aWNlIGl0c2VsZiBpcyBv YnZpb3VzbHkgbm90CmJlaGluZCBhbiBJT01NVSwgYW5kIHVwZGF0ZV9wYWdpbmdfbW9kZSB3aWxs IHJldHVybiBhbiBlcnJvciBpZiBpdApmaW5kcyBhbnkgc3VjaCBkZXZpY2UgaW4gdGhlIGRvbWFp biBsaXN0IHdoZW4gYXR0ZW1wdGluZyB0byBleHBhbmQgdGhlCklPTU1VIHBhZ2UgdGFibGVzOgoK Li4uCmlvbW11ID0gZmluZF9pb21tdV9mb3JfZGV2aWNlKHBkZXYtPnNlZywgYmRmKTsKaWYgKCAh aW9tbXUgKQp7CiAgICBBTURfSU9NTVVfREVCVUcoIiVzIEZhaWwgdG8gZmluZCBpb21tdS5cbiIs IF9fZnVuY19fKTsKICAgIHJldHVybiAtRU5PREVWOwp9Ci4uLgoKQW5vdGhlciBvcHRpb24gaXMg dG8gYWxsb3cgdGhlIGhhcmR3YXJlIGRvbWFpbiB0byBoYXZlIGFzc2lnbmVkCmRldmljZXMgdGhh dCBhIG5vdCBiZWhpbmQgYW4gSU9NTVUsIGJ1dCBJIHdvdWxkIGNvbnNpZGVyIHRoaXMgbW9yZQps aWtlIGEgd29ya2Fyb3VuZCByYXRoZXIgdGhhbiBhIHJlYWwgZml4LgoKSSdtIG5vdCBzdXJlIHdo ZXRoZXIgdGhlIElPTU1VIEFNRCBQQ0kgZGV2aWNlIGNvdWxkIGFsc28gcmVwcmVzZW50CnNvbWV0 aGluZyBlbHNlLCBNYXliZSBCcmlhbiBjYW4gcHJvdmlkZSBtb3JlIGluc2lnaHQgb24gd2hldGhl ciB0aGVyZQptaWdodCBiZSBvdGhlciBwbGF0Zm9ybSBkZXZpY2VzIGVuY29tcGFzc2VkIGluIHRo ZSBzYW1lIFBDSSBkZXZpY2UgYXMKdGhlIElPTU1VLgoKVGhhbmtzLCBSb2dlci4KCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJv amVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=