From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Lan, Tianyu" Subject: Re: Xen virtual IOMMU high level design doc V2 Date: Thu, 3 Nov 2016 23:41:24 +0800 Message-ID: <0bb1ecb6-a6d7-cbc6-52f6-72e4eba761b2@intel.com> References: <5746B3FA.6020401@intel.com> <575081E8.6070609@citrix.com> <57518B78.6060604@citrix.com> <647d0b74-cecc-db33-1033-f7201c8a0af5@intel.com> <13fa96c1-4e66-e8a0-3b66-1c93ad2b6543@intel.com> <577BD8D002000078000FB3F7@prv-mh.provo.novell.com> <3f375a3e-0bbb-ca70-9ea2-e8a970a5dc72@intel.com> <4a8616a2-a576-aadc-993f-3d349f91f310@citrix.com> <884d6ac3-5f8a-a01a-f87d-26037b1069e3@intel.com> <561ba095-e75e-4847-def6-90933ca5ba20@citrix.com> <9a90c4e6-0615-f6ac-3b58-ad74eae029c8@intel.com> <581095DA0200007800119B0E@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <581095DA0200007800119B0E@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , Andrew Cooper Cc: "yang.zhang.wz@gmail.com" , xuquan8@huawei.com, Stefano Stabellini , "ian.jackson@eu.citrix.com" , Kevin Tian , "xen-devel@lists.xensource.com" , Jun Nakajima , "anthony.perard@citrix.com" , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org CgpPbiAxMC8yNi8yMDE2IDU6MzkgUE0sIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDIyLjEw LjE2IGF0IDA5OjMyLCA8dGlhbnl1LmxhbkBpbnRlbC5jb20+IHdyb3RlOgo+PiBPbiAxMC8yMS8y MDE2IDQ6MzYgQU0sIEFuZHJldyBDb29wZXIgd3JvdGU6Cj4+Pj4+PiAzLjUgSW1wbGVtZW50YXRp b24gY29uc2lkZXJhdGlvbgo+Pj4+Pj4gVlQtZCBzcGVjIGRvZXNuJ3QgZGVmaW5lIGEgY2FwYWJp bGl0eSBiaXQgZm9yIHRoZSBsMiB0cmFuc2xhdGlvbi4KPj4+Pj4+IEFyY2hpdGVjdHVyYWxseSB0 aGVyZSBpcyBubyB3YXkgdG8gdGVsbCBndWVzdCB0aGF0IGwyIHRyYW5zbGF0aW9uCj4+Pj4+PiBj YXBhYmlsaXR5IGlzIG5vdCBhdmFpbGFibGUuIExpbnV4IEludGVsIElPTU1VIGRyaXZlciB0aGlu a3MgbDIKPj4+Pj4+IHRyYW5zbGF0aW9uIGlzIGFsd2F5cyBhdmFpbGFibGUgd2hlbiBWVEQgZXhp dHMgYW5kIGZhaWwgdG8gYmUgbG9hZGVkCj4+Pj4+PiB3aXRob3V0IGwyIHRyYW5zbGF0aW9uIHN1 cHBvcnQgZXZlbiBpZiBpbnRlcnJ1cHQgcmVtYXBwaW5nIGFuZCBsMQo+Pj4+Pj4gdHJhbnNsYXRp b24gYXJlIGF2YWlsYWJsZS4gU28gaXQgbmVlZHMgdG8gZW5hYmxlIGwyIHRyYW5zbGF0aW9uIGZp cnN0Cj4+Pj4+PiBiZWZvcmUgb3RoZXIgZnVuY3Rpb25zLgo+Pj4+Pgo+Pj4+PiBXaGF0IHRoZW4g aXMgdGhlIHB1cnBvc2Ugb2YgdGhlIG5lc3RlZCB0cmFuc2xhdGlvbiBzdXBwb3J0IGJpdCBpbiB0 aGUKPj4+Pj4gZXh0ZW5kZWQgY2FwYWJpbGl0eSByZWdpc3Rlcj8KPj4+Pgo+Pj4+IEl0J3MgdG8g dHJhbnNsYXRlIG91dHB1dCBHUEEgZnJvbSBmaXJzdCBsZXZlbCB0cmFuc2xhdGlvbihJT1ZBLT5H UEEpCj4+Pj4gdG8gSFBBLgo+Pj4+Cj4+Pj4gRGV0YWlsIHBsZWFzZSBzZWUgVlREIHNwZWMgLSAz LjggTmVzdGVkIFRyYW5zbGF0aW9uCj4+Pj4gIldoZW4gTmVzdGluZyBFbmFibGUgKE5FU1RFKSBm aWVsZCBpcyAxIGluIGV4dGVuZGVkLWNvbnRleHQtZW50cmllcywKPj4+PiByZXF1ZXN0cy13aXRo LVBBU0lEIHRyYW5zbGF0ZWQgdGhyb3VnaCBmaXJzdC1sZXZlbCB0cmFuc2xhdGlvbiBhcmUgYWxz bwo+Pj4+IHN1YmplY3RlZCB0byBuZXN0ZWQgc2Vjb25kLWxldmVsIHRyYW5zbGF0aW9uLiBTdWNo IGV4dGVuZGVkY29udGV4dC0KPj4+PiBlbnRyaWVzIGNvbnRhaW4gYm90aCB0aGUgcG9pbnRlciB0 byB0aGUgUEFTSUQtdGFibGUgKHdoaWNoIGNvbnRhaW5zIHRoZQo+Pj4+IHBvaW50ZXIgdG8gdGhl IGZpcnN0bGV2ZWwgdHJhbnNsYXRpb24gc3RydWN0dXJlcyksIGFuZCB0aGUgcG9pbnRlciB0bwo+ Pj4+IHRoZSBzZWNvbmQtbGV2ZWwgdHJhbnNsYXRpb24gc3RydWN0dXJlcy4iCj4+Pgo+Pj4gSSBk aWRuJ3QgcGhyYXNlIG15IHF1ZXN0aW9uIHZlcnkgd2VsbC4gIEkgdW5kZXJzdGFuZCB3aGF0IHRo ZSBuZXN0ZWQKPj4+IHRyYW5zbGF0aW9uIGJpdCBtZWFucywgYnV0IEkgZG9uJ3QgdW5kZXJzdGFu ZCB3aHkgd2UgaGF2ZSBhIHByb2JsZW0KPj4+IHNpZ25hbGxpbmcgdGhlIHByZXNlbmNlIG9yIGxh Y2sgb2YgbmVzdGVkIHRyYW5zbGF0aW9ucyB0byB0aGUgZ3Vlc3QuCj4+Pgo+Pj4gSW4gb3RoZXIg d29yZHMsIHdoeSBjYW4ndCB3ZSBoaWRlIGwyIHRyYW5zbGF0aW9uIGZyb20gdGhlIGd1ZXN0IGJ5 Cj4+PiBzaW1wbHkgY2xlYXJpbmcgdGhlIG5lc3RlZCB0cmFuc2xhdGlvbiBjYXBhYmlsaXR5Pwo+ Pgo+PiBZb3UgbWVhbiB0byB0ZWxsIG5vIHN1cHBvcnQgb2YgbDIgdHJhbnNsYXRpb24gdmlhIG5l c3QgdHJhbnNsYXRpb24gYml0Pwo+PiBCdXQgdGhlIG5lc3RlZCB0cmFuc2xhdGlvbiBpcyBhIGRp ZmZlcmVudCBmdW5jdGlvbiB3aXRoIGwyIHRyYW5zbGF0aW9uCj4+IGV2ZW4gZnJvbSBndWVzdCB2 aWV3IGFuZCBuZXN0ZWQgdHJhbnNsYXRpb24gb25seSB3b3JrcyByZXF1ZXN0cyB3aXRoCj4+IFBB U0lEIChsMSB0cmFuc2xhdGlvbikuCj4+Cj4+IExpbnV4IGludGVsIGlvbW11IGRyaXZlciBlbmFi bGVzIGwyIHRyYW5zbGF0aW9uIHVuY29uZGl0aW9uYWxseSBhbmQgZnJlZQo+PiBpb21tdSBpbnN0 YW5jZSB3aGVuIGZhaWxlZCB0byBlbmFibGUgbDIgdHJhbnNsYXRpb24uCj4KPiBJbiB3aGljaCBj YXNlcyB0aGUgd29yZGluZyBvZiB5b3VyIGRlc2NyaXB0aW9uIGlzIGNvbmZ1c2luZzogSW5zdGVh ZCBvZgo+ICJMaW51eCBJbnRlbCBJT01NVSBkcml2ZXIgdGhpbmtzIGwyIHRyYW5zbGF0aW9uIGlz IGFsd2F5cyBhdmFpbGFibGUgd2hlbgo+IFZURCBleGl0cyBhbmQgZmFpbCB0byBiZSBsb2FkZWQg d2l0aG91dCBsMiB0cmFuc2xhdGlvbiBzdXBwb3J0IC4uLiIgaG93Cj4gYWJvdXQgdXNpbmcgc29t ZXRoaW5nIGNsb3NlciB0byB3aGF0IHlvdSd2ZSByZXBsaWVkIHdpdGggbGFzdD8KPgo+IEphbgo+ CgpIaSBBbGw6CkkgaGF2ZSBzb21lIHVwZGF0ZXMgYWJvdXQgaW1wbGVtZW50YXRpb24gZGVwZW5k ZW5jeSBiZXR3ZWVuIGwyCnRyYW5zbGF0aW9uKERNQSB0cmFuc2xhdGlvbikgYW5kIGlycSByZW1h cHBpbmcuCgpJIGZpbmQgdGhlcmUgYXJlIGEga2VybmVsIHBhcmFtZXRlciAiaW50ZWxfaW9tbXU9 b24iIGFuZCBrY29uZmlnIG9wdGlvbgpDT05GSUdfSU5URUxfSU9NTVVfREVGQVVMVF9PTiB3aGlj aCBjb250cm9sIERNQSB0cmFuc2xhdGlvbiBmdW5jdGlvbi4KV2hlbiB0aGV5IGFyZW4ndCBzZXQs IERNQSB0cmFuc2xhdGlvbiBmdW5jdGlvbiB3aWxsIG5vdCBiZSBlbmFibGVkIGJ5CklPTU1VIGRy aXZlciBldmVuIGlmIHNvbWUgdklPTU1VIHJlZ2lzdGVycyBzaG93IEwyIHRyYW5zbGF0aW9uIGZ1 bmN0aW9uCmF2YWlsYWJsZS4gSW4gdGhlIG1lYW50aW1lLCBpcnEgcmVtYXBwaW5nIGZ1bmN0aW9u IHN0aWxsIGNhbiB3b3JrIHRvCnN1cHBvcnQgPjI1NSB2Y3B1cy4KCkkgY2hlY2sgZGlzdHJpYnV0 aW9uIFJIRUwsIFNMRVMsIE9yYWNsZSBhbmQgdWJ1bnR1IGRvbid0IHNldCB0aGUga2VybmVsCnBh cmFtZXRlciBvciBzZWxlY3QgdGhlIGtjb25maWcgb3B0aW9uLiBTbyB3ZSBjYW4gZW11bGF0ZSBp cnEgcmVtYXBwaW5nCmZpc3Qgd2l0aCBzb21lIGNhcGFiaWxpdHkgYml0cyhlLGcgU0FHQVcgb2Yg Q2FwYWJpbGl0eSBSZWdpc3Rlcikgb2YgbDIKdHJhbnNsYXRpb24gZm9yID4yNTUgdmNwdXMgc3Vw cG9ydCB3aXRob3V0IGwyIHRyYW5zbGF0aW9uIGVtdWxhdGlvbi4KClNob3dpbmcgbDIgY2FwYWJp bGl0eSBiaXRzIGlzIHRvIG1ha2Ugc3VyZSBJT01NVSBkcml2ZXIgcHJvYmUgQUNQSSBETUFSCnRh YmxlcyBzdWNjZXNzZnVsbHkgYmVjYXVzZSBJT01NVSBkcml2ZXIgYWNjZXNzIHRoZXNlIGJpdHMg ZHVyaW5nCnJlYWRpbmcgQUNQSSB0YWJsZXMuCgpJZiBzb21lb25lIGFkZCAiaW50ZWxfaW9tbXU9 b24iIGtlcm5lbCBwYXJhbWV0ZXIgbWFudWFsbHksIElPTU1VIGRyaXZlcgp3aWxsIHBhbmljIGd1 ZXN0IGJlY2F1c2UgaXQgY2FuJ3QgZW5hYmxlIERNQSByZW1hcHBpbmcgZnVuY3Rpb24gdmlhIGdj bWQKcmVnaXN0ZXIgYW5kICJUcmFuc2xhdGlvbiBFbmFibGUgU3RhdHVzIiBiaXQgaW4gZ3N0cyBy ZWdpc3RlciBpcyBuZXZlcgpzZXQgYnkgdklPTU1VLiBUaGlzIHNob3dzIGFjdHVhbCB2SU9NTVUg c3RhdHVzIG9mIG5vIGwyIHRyYW5zbGF0aW9uCmVtdWxhdGlvbiBhbmQgd2FybiB1c2VyIHNob3Vs ZCBub3QgZW5hYmxlIGwyIHRyYW5zbGF0aW9uLgoKCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==