From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Edgar E. Iglesias" Subject: Re: Xen virtual IOMMU high level design doc Date: Thu, 24 Nov 2016 05:09:03 +0100 Message-ID: <20161124040903.GA9606@toto> References: <647d0b74-cecc-db33-1033-f7201c8a0af5@intel.com> <13fa96c1-4e66-e8a0-3b66-1c93ad2b6543@intel.com> <577BD8D002000078000FB3F7@prv-mh.provo.novell.com> <20161123181937.GZ9606@toto> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Tian, Kevin" Cc: "Lan, Tianyu" , "yang.zhang.wz@gmail.com" , "xuquan8@huawei.com" , Stefano Stabellini , Jan Beulich , Andrew Cooper , "ian.jackson@eu.citrix.com" , Julien Grall , "xen-devel@lists.xensource.com" , "Nakajima, Jun" , "anthony.perard@citrix.com" , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org T24gVGh1LCBOb3YgMjQsIDIwMTYgYXQgMDI6MDA6MjFBTSArMDAwMCwgVGlhbiwgS2V2aW4gd3Jv dGU6Cj4gPiBGcm9tOiBTdGVmYW5vIFN0YWJlbGxpbmkgW21haWx0bzpzc3RhYmVsbGluaUBrZXJu ZWwub3JnXQo+ID4gU2VudDogVGh1cnNkYXksIE5vdmVtYmVyIDI0LCAyMDE2IDM6MDkgQU0KPiA+ IAo+ID4gT24gV2VkLCAyMyBOb3YgMjAxNiwgRWRnYXIgRS4gSWdsZXNpYXMgd3JvdGU6Cj4gPiA+ IE9uIFdlZCwgQXVnIDE3LCAyMDE2IGF0IDA4OjA1OjUxUE0gKzA4MDAsIExhbiwgVGlhbnl1IHdy b3RlOgo+ID4gPiA+IEhpIEFsbDoKPiA+ID4gPiAgICAgIFRoZSBmb2xsb3dpbmcgaXMgb3VyIFhl biB2SU9NTVUgaGlnaCBsZXZlbCBkZXNpZ24gZm9yIGRldGFpbAo+ID4gPiA+IGRpc2N1c3Npb24u IFBsZWFzZSBoYXZlIGEgbG9vay4gVmVyeSBhcHByZWNpYXRlIGZvciB5b3VyIGNvbW1lbnRzLgo+ ID4gPiA+IFRoaXMgZGVzaWduIGRvZXNuJ3QgY292ZXIgY2hhbmdlcyB3aGVuIHJvb3QgcG9ydCBp cyBtb3ZlZCB0byBoeXBlcnZpc29yLgo+ID4gPiA+IFdlIG1heSBkZXNpZ24gaXQgbGF0ZXIuCj4g PiA+Cj4gPiA+IEhpLAo+ID4gPgo+ID4gPiBJIGhhdmUgYSBmZXcgcXVlc3Rpb25zLgo+ID4gPgo+ ID4gPiBJZiBJIHVuZGVyc3RhbmQgY29ycmVjdGx5LCB5b3UnbGwgYmUgZW11bGF0aW5nIGFuIElu dGVsIElPTU1VIGluIFhlbi4KPiA+ID4gU28gZ3Vlc3RzIHdpbGwgZXNzZW50aWFsbHkgY3JlYXRl IGludGVsIGlvbW11IHN0eWxlIHBhZ2UtdGFibGVzLgo+ID4gPgo+ID4gPiBJZiB3ZSB3ZXJlIHRv IHVzZSB0aGlzIG9uIFhlbi9BUk0sIHdlIHdvdWxkIGxpa2VseSBiZSBtb2RlbGxpbmcgYW4gQVJN Cj4gPiA+IFNNTVUgYXMgYSB2SU9NTVUuIFNpbmNlIFhlbiBvbiBBUk0gZG9lcyBub3QgdXNlIFFF TVUgZm9yIGVtdWxhdGlvbiwgdGhlCj4gPiA+IGh5cGVydmlzb3IgT1BzIGZvciBRRU1VcyB4ZW4g ZHVtbXkgSU9NTVUgcXVlcmllcyB3b3VsZCBub3QgcmVhbGx5IGJlIHVzZWQuCj4gPiA+IERvIEkg dW5kZXJzdGFuZCB0aGlzIGNvcnJlY3RseT8KPiA+IAo+ID4gSSB0aGluayB0aGV5IGNvdWxkIGJl IGNhbGxlZCBmcm9tIHRoZSB0b29sc3RhY2suIFRoaXMgaXMgd2h5IEkgd2FzCj4gPiBzYXlpbmcg aW4gdGhlIG90aGVyIHRocmVhZCB0aGF0IHRoZSBoeXBlcmNhbGxzIHNob3VsZCBiZSBnZW5lcmFs IGVub3VnaAo+ID4gdGhhdCBRRU1VIGlzIG5vdCB0aGUgb25seSBjYWxsZXIuCj4gPiAKPiA+IEZv ciBQVkggYW5kIEFSTSBndWVzdHMsIHRoZSB0b29sc3RhY2sgc2hvdWxkIGJlIGFibGUgdG8gc2V0 dXAgdGhlIHZJT01NVQo+ID4gb24gYmVoYWxmIG9mIHRoZSBndWVzdCB3aXRob3V0IFFFTVUgaW50 ZXJ2ZW50aW9uLgoKT0ssIEkgc2VlLiBPciwgSSB0aGluayBJIHVuZGVyc3RhbmQsIG5vdCBzdXJl IDotKQoKSW4gUUVNVSB3aGVuIHNvbWVvbmUgY2hhbmdlcyBtYXBwaW5ncyBpbiBhbiBJT01NVSB0 aGVyZSB3aWxsIGJlIGEgbm90aWZpZXIKdG8gdGVsbCBjYWNoZXMgdXBzdHJlYW0gdGhhdCBtYXBw aW5ncyBoYXZlIGNoYW5nZWQuIEkgdGhpbmsgd2Ugd2lsbCBuZWVkIHRvCnByZXBhcmUgZm9yIHRo YXQuIEkuZSB3aGVuIFRDRyBDUFVzIHNpdCBiZWhpbmQgYW4gSU9NTVUuCgpBbm90aGVyIGFyZWEg dGhhdCBtYXkgbmVlZCBjaGFuZ2UgaXMgdGhhdCBvbiBBUk0gd2UgbmVlZCB0aGUgbWFwLXF1ZXJ5 IHRvIHJldHVybgp0aGUgbWVtb3J5IGF0dHJpYnV0ZXMgZm9yIHRoZSBnaXZlbiBtYXBwaW5nLiBU b2RheSBRRU1VIG9yIGFueSBlbXVsYXRvciAKZG9lc24ndCB1c2UgaXQgbXVjaCBidXQgaW4gdGhl IGZ1dHVyZSB0aGluZ3MgbWF5IGNoYW5nZS4KCkZvciBTVk0sIHdoZSB3aWxsIGFsc28gbmVlZCB0 byBkZWFsIHdpdGggcGFnZS10YWJsZSBmYXVsdHMgYnkgdGhlIElPTU1VLgpTbyBJIHRoaW5rIHRo ZXJlIHdpbGwgbmVlZCB0byBiZSBhIGNoYW5uZWwgZnJvbSBYZW4gdG8gR3Vlc3J0IHRvIHJlcG9y dCB0aGVzZS4KCkZvciBleGFtcGxlLCB3aGF0IGhhcHBlbnMgd2hlbiBhIGd1ZXN0IGFzc2lnbmVk IERNQSB1bml0IHBhZ2UtZmF1bHRzPwpYZW4gbmVlZHMgdG8ga25vdyBob3cgdG8gZm9yd2FyZCB0 aGlzIGZhdWx0IGJhY2sgdG8gZ3Vlc3QgZm9yIGZpeHVwIGFuZCB0aGUKZ3Vlc3QgbmVlZHMgdG8g YmUgYWJsZSB0byBmaXggaXQgYW5kIHRlbGwgdGhlIGRldmljZSB0aGF0IGl0J3MgT0sgdG8gY29u dGluZS4KRS5nIFBDSSBQUkkgb3Igc2ltaWxhci4KCgo+ID4gPiBIYXMgYSBwbGF0Zm9ybSBhZ25v c3RpYyBQVi1JT01NVSBiZWVuIGNvbnNpZGVyZWQgdG8gc3VwcG9ydCAyLXN0YWdlCj4gPiA+IHRy YW5zbGF0aW9uIChpLmUgVkZJTyBpbiB0aGUgZ3Vlc3QpPyBQZXJoYXBzIHRoYXQgd291bGQgaHVy dCBtYXAvdW5tYXAKPiA+ID4gcGVyZm9ybWFuY2UgdG9vIG11Y2g/Cj4gPiAKPiA+IFRoYXQncyBh biBpbnRlcmVzdGluZyBpZGVhLiBJIGRvbid0IGtub3cgaWYgdGhhdCdzIGZlYXNpYmxlLCBidXQg aWYgaXQKPiA+IGlzIG5vdCwgdGhlbiB3ZSBuZWVkIHRvIGJlIGFibGUgdG8gc3BlY2lmeSB0aGUg UFYtSU9NTVUgdHlwZSBpbiB0aGUKPiA+IGh5cGVyY2FsbHMsIHNvIHRoYXQgeW91IHdvdWxkIGdl dCBJbnRlbCBJT01NVSBvbiB4ODYgYW5kIFNNTVUgb24gQVJNLgo+ID4gCj4gPiAKPiAKPiBOb3Qg Y29uc2lkZXJlZCB5ZXQuIFBWIGlzIGFsd2F5cyBwb3NzaWJsZSBhcyB3ZSd2ZSBkb25lIGZvciBv dGhlciBJL08KPiBkZXZpY2VzLiBJZGVhbGx5IGl0IGNvdWxkIGJlIGRlc2lnbmVkIGJlaW5nIG1v cmUgZWZmaWNpZW50IHRoYW4gZnVsbAo+IGVtdWxhdGlvbiBvZiB2ZW5kb3Igc3BlY2lmaWMgSU9N TVUsIGJ1dCBhbHNvIG1lYW5zIHJlcXVpcmVtZW50IG9mCj4gbWFpbnRhaW5pbmcgYSBuZXcgZ3Vl c3QgSU9NTVUgZHJpdmVyIGFuZCBsaW1pdGF0aW9uIG9mIHN1cHBvcnRpbmcKPiBvbmx5IG5ld2Vy IHZlcnNpb24gZ3Vlc3QgT1Nlcy4gSXQncyBhIHRyYWRlb2ZmLi4uIGF0IGxlYXN0IG5vdCBjb21w ZWxsaW5nIAo+IG5vdyAobWF5IGNvbnNpZGVyIHdoZW4gd2Ugc2VlIGEgcmVhbCBuZWVkIGluIHRo ZSBmdXR1cmUpLgoKQWdyZWVkLiBUaGFua3MuCgpCZXN0IHJlZ2FyZHMsCkVkZ2FyCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4t ZGV2ZWwK