From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: question: xen/qemu - mmio mapping issues for device pass-through Date: Thu, 16 Mar 2017 08:05:52 -0600 Message-ID: <58CAA9D00200007800143D87@prv-mh.provo.novell.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Xuquan (Quan Xu)" Cc: Kevin Tian , Stefano Stabellini , "George.Dunlap@eu.citrix.com" , "ian.jackson@eu.citrix.com" , "xen-devel@lists.xen.org" , Fanhenglong , "anthony.perard@citrix.com" List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDE2LjAzLjE3IGF0IDE0OjU1LCA8eHVxdWFuOEBodWF3ZWkuY29tPiB3cm90ZToKPiBJ IHRyeSB0byBwYXNzLXRocm91Z2ggYSBkZXZpY2Ugd2l0aCA4RyBsYXJnZSBiYXIsIHN1Y2ggYXMg bnZpZGlhIE02MChub3RlMSwgCj4gcGNpLWUgaW5mbyBhcyBiZWxvdykuIEl0IHRha2VzIGFib3V0 ICdfXzE1IHNjb25kc19fJyB0byB1cGRhdGUgOEcgbGFyZ2UgYmFyIGluIAo+IFFFTVU6Onhlbl9w dF9yZWdpb25fdXBkYXRlKCkuLgo+IFNwZWNpZmljYWxseSwgaXQgaXMgeGNfZG9tYWluX21lbW9y eV9tYXBwaW5nKCkgaW4geGVuX3B0X3JlZ2lvbl91cGRhdGUoKS4KPiAKPiBEaWdnZWQgaW50byB4 Y19kb21haW5fbWVtb3J5X21hcHBpbmcoKSwgSSBmaW5kIGl0IG1haW5seSBjYWxsICJkb19kb21j dGwgCj4g77yI4oCmY2FzZSBYRU5fRE9NQ1RMX21lbW9yeV9tYXBwaW5n4oCm77yJIiAKPiB0byBt YXBwaW5nIG1taW8gcmVnaW9uLi4gb2YgY2F1c2UsIEkgZmluZCBvdXQgdGhhdCB0aGlzIG1hcHBp bmcgY291bGQgdGFrZSBhIAo+IHdoaWxlIGluIHRoZSBjb2RlIGNvbW1lbnQgYmVsb3cgJyBjYXNl IFhFTl9ET01DVExfbWVtb3J5X21hcHBpbmcgJy4KPiAKPiBteSBxdWVzdGlvbnM6Cj4gMS4gY291 bGQgd2UgbWFrZSB0aGlzIG1hcHBpbmcgbW1pbyByZWdpb24gcXVpY2tlcj8KClllcywgZS5nLiBi eSB1c2luZyBsYXJnZSAoMk0gb3IgMUcpIHBhZ2VzLiBUaGlzIGhhcyBiZWVuIG9uIG15IHRvZG8K bGlzdCBmb3IgcXVpdGUgYSB3aGlsZS4uLgoKPiAyLiBpZiBjb3VsZCBub3QsIGRvZXMgaXQgbGlt aXQgYnkgaGFyZHdhcmUgcGVyZm9ybWFuY2U/CgpJJ20gYWZyYWlkIEkgZG9uJ3QgdW5kZXJzdGFu ZCB0aGUgcXVlc3Rpb24uIElmIHlvdSBtZWFuICJJcyBpdApsaW1pdGVkIGJ5IGh3IHBlcmZvcm1h bmNlIiwgdGhlbiBubywgc2VlIGFib3ZlLiBJZiB5b3UgbWVhbgoiRG9lcyBpdCBsaW1pdCBodyBw ZXJmb3JtYW5jZSIsIHRoZW4gYWdhaW4gbm8sIEkgZG9uJ3QgdGhpbmsgc28KKG90aGVyIHRoYW4g dGhlIGVmZmVjdCBvZiBoYXZpbmcgbW9yZSBJT01NVSB0cmFuc2xhdGlvbiBsZXZlbHMKdGhhbiBy ZWFsbHkgbmVjZXNzYXJ5IGZvciBzdWNoIGxhcmdlIGEgcmVnaW9uKS4KCkphbgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcg bGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRl dmVsCg==