From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pawel Moll Subject: Re: what should a virtio-mmio transport without a backend look like? Date: Thu, 20 Jun 2013 12:08:21 +0100 Message-ID: <1371726501.3231.22.camel@hornet> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Peter Maydell Cc: virtualization@lists.linux-foundation.org, KONRAD =?ISO-8859-1?Q?Fr=E9d=E9ric?= List-Id: virtualization@lists.linuxfoundation.org T24gVGh1LCAyMDEzLTA2LTIwIGF0IDExOjI5ICswMTAwLCBQZXRlciBNYXlkZWxsIHdyb3RlOgo+ IEknbSAoZmluYWxseSkgdHJ5aW5nIHRvIGFkZCB2aXJ0aW8tbW1pbyBzdXBwb3J0IHByb3Blcmx5 IHRvCj4gUUVNVSBub3cgRnJlZCBoYXMgcHV0IGFsbCB0aGUgcmVmYWN0b3JpbmcgZm91bmRhdGlv bnMgaW4gcGxhY2UuCj4gCj4gMS4gT25lIHF1ZXN0aW9uIEkndmUgcnVuIGludG8gaXM6IHdoYXQg c2hvdWxkIGEgdmlydGlvLW1taW8gdHJhbnNwb3J0Cj4gd2l0aCBubyBiYWNrZW5kIGxvb2sgbGlr ZSB0byB0aGUgZ3Vlc3QgT1M/IFRoZSBzcGVjIGFzIHdyaXR0ZW4KPiBzZWVtcyB0byBhc3N1bWUg dGhhdCB0aGVyZSdzIGFsd2F5cyBzb21lIGJhY2tlbmQgcHJlc2VudC4KPiAoVGhlIGlkZWEgaXMg dGhhdCBRRU1VIG1pZ2h0IGp1c3QgYWx3YXlzIGluc3RhbnRpYXRlIHNheSA4Cj4gbW1pbyB0cmFu c3BvcnRzLCBhbmQgdGhlbiB3aGV0aGVyIHRoZXkgYWN0dWFsbHkgaGF2ZSBhCj4gYmxrL25ldC93 aGF0ZXZlciBiYWNrZW5kIGRlcGVuZHMgb24gdXNlciBvcHRpb25zKS4KPiAKPiBJdCBsb29rcyBh cyBpZiB0aGUgY3VycmVudCBsaW51eCBkcml2ZXIgaW5zaXN0cyAoaWYgaXQgc2VlcyBhCj4gZGV2 aWNlIHRyZWUgbm9kZSkgdGhhdCB0aGUgTWFnaWNWYWx1ZSByZWdpc3RlciBhdCBsZWFzdCBpcwo+ IGNvcnJlY3QgKG90aGVyd2lzZSBpdCBjb21wbGFpbnMpLiBTbyBvbmUgcG9zc2liaWxpdHkgd291 bGQKPiBiZSAiTWFnaWNWYWx1ZS9WZXJzaW9uL1ZlbmRvcklEIG11c3QgcmVhZCBhcyB1c3VhbCwg RGV2aWNlSUQKPiBzaG91bGQgcmVhZCBhcyBzb21lIHNwZWNpYWwgIm5vdGhpbmcgaGVyZSIgdmFs dWUgKDA/KSwgZXZlcnl0aGluZwo+IGVsc2UgY2FuIFJBWi9XSSIuCj4gCj4gV2UgY291bGQganVz dCBzYXkgImFsbCBSQVovV0kiLCBzaW5jZSB0aGlzIG1lcmVseSBjYXVzZXMgTGludXgKPiBjdXJy ZW50bHkgdG8gcHJpbnQgYSB3YXJuaW5nIGFib3V0IHRoZSBiYWQgbWFnaWMgbnVtYmVyLCBhbmQK PiB0aGVuIHN1YnNlcXVlbnRseSBtYWtlIExpbnV4IGxlc3MgYWxhcm1pc3QgYWJvdXQgdGhlIHpl cm8uCj4gCj4gV2UgY291bGQgYWxzbyBkZWZpbmUgdGhhdCB0aGUgdHJhbnNwb3J0IHNob3VsZCBs b29rIGFzIGlmCj4gdGhlcmUncyBzb21lIHNvcnQgb2YgJ251bGwnIGJhY2tlbmQgcGx1Z2dlZCBp bi4gVGhpcyB3b3VsZAo+IGJlIG1vcmUgZWZmb3J0IG9uIHRoZSBxZW11IHNpZGUgdGhvdWdoLCBJ IHRoaW5rLgoKVGhlcmUgYXJlIHR3byBhc3BlY3RzIG9mIHRoZSBwcm9ibGVtOgoKMS4gQ3VycmVu dCBpbXBsZW1lbnRhdGlvbiBvZiB0aGUgdmlydGlvIGNvcmUgd29uJ3QgZG8gYW55dGhpbmcgdG8g dGhlCmRldmljZSBpZiB0aGUgZGV2aWNlL3ZlbmRvciBJRHMgZG9uJ3QgbWF0Y2ggd2l0aCBhbnkg b2YgdGhlIGRyaXZlcnMuCgoyLiBBbGwgdGhhdCBjdXJyZW50IHZpcnRpby1tbWlvIGltcGxlbWVu dGF0aW9uIHdpbGwgZG8gaXM6CiogcmVhZCBtYWdpYwoqIHJlYWQgZGV2aWNlICYgdmVuZG9yIGlk Ciogd3JpdGUgcGFnZSBzaXplCgpTbywgYSBkZXZpY2UgYmVoYXZpbmcgYXMgeW91IG1lbnRpb25l ZCAtIG1hZ2ljIG9rLCBhbGwgcmVnaXN0ZXIgcmVhZCBhcwp6ZXJvLCBhbGwgd3JpdGVzIGlnbm9y ZWQsIHdpbGwgZG8gZXhhY3RseSB3aGF0IHlvdSB3YW50LgoKTm93LCBhcyB0byBtYW5kYXRpbmcg dGhpczoKCjEuIFdlIGNvdWxkIG1hbmRhdGUgZGV2aWNlIElEIDAgKHplcm8pIGFzICJOT09QIi4g VGhpcyBpcyBpbiBsaW5lIHdpdGgKY3VycmVudCBJRCBudW1iZXJzIGFsbG9jYXRpb24sIGp1c3Qg bmVlZHMgZm9ybWFsaXppbmcgYXQgdGhlIHRvcCBsZXZlbApvZiB0aGUgc3BlYy4KCjIuIEkgaGF2 ZSBubyBwcm9ibGVtIHdpdGggYWRkaW5nIHRoZSBtYWdpYy9SQVovV0kgYmVoYXZpb3VyIHRvIHRo ZQpjdXJyZW50IGFwcGVuZGl4IFgsIGhvd2V2ZXIgSSBtdXN0IHNheSB0aGF0IHRoZSAid3JpdGUg cGFnZSBzaXplIiB3aWxsCmRpc2FwcGVhciBpbiB0aGUgbmV4dCB2ZXJzaW9uIG9mIHRoZSBzcGVj IChubyBtb3JlIHBhZ2UgbnVtYmVycywganVzdApub3JtYWwgNjQtYml0IGFkZHJlc3NlcyksIHNv IGRlZmluaW5nIGRldmljZSBJRCBhcyBhYm92ZSB3aWxsIGNvdmVyIHlvdXIKdXNlIGNhc2UsIEkg YmVsaWV2ZSAoYXMgaW46IGNvcnJlY3QgbWFnaWMgPT0gY29ycmVjdCBkZXZpY2UsIE5PT1AgZGV2 aWNlCj09IG5vIGZ1cnRoZXIgYWN0aW9ucykuCgo+IDIuIFdoYXQgd2FzIHRoZSByYXRpb25hbGUg YmVoaW5kIHByb2hpYml0aW5nIGludGVycnVwdAo+IGxpbmUgc2hhcmluZyBiZXR3ZWVuIHR3byB2 aXJ0aW8tbW1pbyB0cmFuc3BvcnRzPyAoImRldmljZQo+IG9wZXJhdGlvbiIgc2VjdGlvbiBvZiBh cHBlbmRpeCBYKS4gTGFjayBvZiBzcGFyZSBJUlFzCj4gdHVybnMgb3V0IHRvIGJlIHRoZSBtYWpv ciBsaW1pdCBvbiBob3cgbWFueSB0cmFuc3BvcnRzIHlvdQo+IGNhbiBoYXZlLgoKSG0uIFNpbXBs aWNpdHkgd2FzIHRoZSBpbnRlbnRpb24sIHJlYWxseSwgbm8gaGlkZGVuIGFnZW5kYS4gSSd2ZSBu ZXZlcgphY3R1YWxseSB0cmllZCB0byBoYXZlIHR3byBwbGF0Zm9ybSBkZXZpY2VzIHNoYXJpbmcg YW4gaW50ZXJydXB0LCBzbyBJJ20Kbm90IHN1cmUgaG93IHdpbGwgdGhlIGdlbmVyaWMgaW5mcmFz dHJ1Y3R1cmUgYmVoYXZlIGluIHN1Y2ggc2l0dWF0aW9uLgoKPiAoSXMgdGhlcmUgYSBtYWlsaW5n IGxpc3QgSSBzaG91bGQgYmUgYXNraW5nIHRoaXMgcXVlc3Rpb24gb24/KQoKdmlydHVhbGl6YXRp b25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcgKG5vdyBvbiBjb3B5KQoKUGF3ZcWCCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRp b24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3Jn Cmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1 YWxpemF0aW9u