From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [RFC] libxl hotplug / unplug emulated devices Date: Fri, 20 May 2016 17:34:51 +0100 Message-ID: <20160520163451.GB31272@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b3nO3-0002xU-LR for xen-devel@lists.xenproject.org; Fri, 20 May 2016 16:34:55 +0000 Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Xen-devel Cc: Anthony PERARD , Ian Jackson , Wei Liu , George Dunlap List-Id: xen-devel@lists.xenproject.org SGkgYWxsCgpSZWNlbnRseSBJIGdvdCBhIHJlcG9ydCBvbiB4ZW4tdXNlcnNAIGFib3V0IHhsIG5l dHdvcmstYXR0YWNoIG5vdAp3b3JraW5nIGZvciBIVk0gZ3Vlc3QuCgpJIHRyeSB0byB1c2UKCiAg eGwgbmV0d29yay1hdHRhY2ggamVzc2llLWh2bSAnYnJpZGdlPXhlbmJyMCcKCmFuZCB2aWYtYnJp ZGdlIHNjcmlwdCBjb21wbGFpbnMgdGhhdCBpdCBjYW4ndCBhZGQgdmlmWFgtZW11IHRvIGJyaWRn ZS4KClRoZSB1bmRlcmx5aW5nIGlzc3VlIGlzIHRoYXQgdGhlIHZpZiBzcGVjIHByb3ZpZGVkIGRl ZmF1bHRzIHRvCmVtdWxhdGVkIG5pYywgYnV0IGxpYnhsIG9ubHkgcG9wdWxhdGVzIGEgcHYgbmlj IGJ1dCBkb2Vzbid0IGNhbGwgb3V0CnZpYSBRTVAgdG8gUUVNVSB0byBwb3B1bGF0ZSBvbmUuIE5v dGUgdGhhdCB0aGlzIGlzc3VlIG5vdCBvbmx5IGFmZmVjdHMKbmljIGRldmljZSBidXQgZXNzZW50 aWFsbHkgYWxsIGRldmljZSB0eXBlcy4KCkkgYWxzbyBleHBlcmltZW50ZWQgd2l0aCBibG9jayBk ZXZpY2U6CgogIHhsIGJsb2NrLWF0dGFjaCBqZXNzaWUtaHZtICdwaHk6L2Rldi9EQVRBL2Rpc2ss aGRiLHcnCgphbmQgaXQgc3VjY2VlZCwgb25seSBwdiBkaXNrIGlzIHBvcHVsYXRlZCB0aG91Z2gu CgpJIHRoaW5rIHRoZSBhYmlsaXR5IHRvIHBsdWcgaW4gZW11bGF0ZWQgZGV2aWNlcyBpcyBuaWNl IHRvIGhhdmUgLS0gaG93CmltcG9ydGFudCB0aGlzIGlzIGlzIHVwIGZvciBkZWJhdGUuICBBcyBm YXIgYXMgSSBjYW4gdGVsbCwgYXQKbGVhc3QgZm9yIG5pYywgcGx1Z2dpbmcgaW4gYW4gZW11bGF0 ZWQgbmljIG5ldmVyIHdvcmtlZCBpbiBsaWJ4bC4gSQpjYW4ndCBzcGVhayBmb3IgeGVuZC4gSSBh bHNvIGRvbid0IHNlZSBtYW55IGNvbXBsYWlucywgc28gdGhpcyBpcwpwcm9iYWJseSBub3QgdGhh dCBpbXBvcnRhbnQgYWZ0ZXIgYWxsLiBPbiB0aGUgb3RoZXIgaGFuZCwgaXQgbWlnaHQgYmUgYQpw cmVyZXF1aXNpdGUgZm9yIEhWTSB1c2IgcGFzc3Rocm91Z2g/CgpUaGUgb3RoZXIgYW5nbGUgaXMg dGhhdCB3ZSBvbmx5IHN1cHBvcnQgcGx1Z2dpbmcgaW4gcHYgZGV2aWNlcy4gVGhlbgp0aGUgcmVz dCBvZiB0aGlzIGVtYWlsIGlzIG1vb3QuIEkgd2lsbCBmaXggdGhlIG5ldHdvcmsgYXR0YWNoIGNv bW1hbmQKYW5kIHdlIGNhbGwgaXQgYSBkYXkuIDotKQoKVG8gcGx1ZyBpbiBlbXVsYXRlZCBkZXZp Y2VzLCBjYWxsaW5nIG91dCB0byBRRU1VIGlzIHByb2JhYmx5IHRoZSBlYXN5CnBhcnQuIEFsc28g Y3VycmVudGx5IGxpYnhsX19kZXZpY2VfWFhYX2FkZCBhbHdheXMgcG9wdWxhdGVzIHhlbnN0b3Jl CmVudHJpZXMsIHdoaWNoIHdlIG1pZ2h0IG5vdCBuZWVkIG9yIHdhbnQuIFRoaXMgaXMgbm90IHRv byBoYXJkIHRvCmNoYW5nZSwgZWl0aGVyLgoKVGhlIGhhcmRlciBiaXQgaXMgdG8gZGVjaWRlIHdo YXQgc2hvdWxkIGxpYnhsIGRvIHdoZW4gZGlzayBhbmQgbmljIGFyZQppbnZvbHZlZC4gVGhhdCBp cywgZGV2aWNlIHRoYXQgaGFzIHRoZSBhYmlsaXR5IHRvIHVzZSBlaXRoZXIgZW11bGF0ZWQKcGF0 aCBhbmQgcHYgcGF0aCAod2hpY2ggSSB0aGluayB0aGVyZSBhcmUgb25seSBkaXNrIGFuZCBuaWMg YXQgdGhlCm1vbWVudCkuCgpHdWVzdCBoYXMgYWJpbGl0eSB0byB1bnBsdWcgZW11bGF0ZWQgZGV2 aWNlcyBhbmQgc3dpdGNoIHRvIHB2CmRldmljZXMuIEJ1dCB0aGUgc3dpdGNoIGNhbiBvbmx5IGhh cHBlbiB3aGVuIHRoZSBndWVzdCBpcyBib290aW5nLiBTbwppdCB3b3VsZCBiZSBvayB0byBwcm92 aWRlIGJvdGggZW11bGF0ZWQgYW5kIHB2IGRpc2sgLyBuaWMgZHVyaW5nIGd1ZXN0CnN0YXJ0IHVw IGJ1dCBub3QgaG90cGx1Zy4KCldoYXQgaWYgdGhlIHVzZXIgaW5kZWVkIHdhbnRzIHRvIGhvdHBs dWcgYW4gZW11bGF0ZWQgZGlzaz8KCjEuIEFkZCBhbiBleHRyYSBmaWVsZCBpbiBkaXNrc3BlYyB0 byBpbmRpY2F0ZSBpbnRlbnRpb24gKHB2LCBlbXVsYXRlZCwKICAgYm90aCksIGRlZmF1bHRzIHRv ICJwdiIgd2hlbiBob3RwbHVnLCAiYm90aCIgd2hlbiBjcmVhdGluZyBkb21haW4uCiAgIAoyLiBT dHJpY3RseSBmb2xsb3cgdGhlIGRpc2sgc3BlYyB3aGVuIGRvaW5nIGhvdHBsdWcsIGlmIGl0IGlz IGVtdWxhdGVkCiAgIGRldmljZSBpZGVudGlmaWVyIChoZGEsIHNkYSBldGMpLCBhZGQgb25seSBl bXVsYXRlZCBkZXZpY2UsIGlmIGl0CiAgIGlzIHB2IGlkZW50aWZpZXIgKHh2ZHggZXRjKSwgYWRk IG9ubHkgcHYgZGV2aWNlLiBSZWZ1c2UgdG8gcHJvY2VlZAogICBpZiBub3RoaW5nIGlzIHNwZWNp ZmllZC4gTm90ZSB0aGlzIG1pZ2h0IHN1YnRseSBjaGFuZ2UgdGhlIGRldmljZQogICB0aGUgZ3Vl c3Qgc2VlcywgYnV0IHRoZXJlIGlzIG5vIGRhbmdlciBvZiBkYXRhIGNvcnJ1cHRpb24uCgozLiBR dWVyeSBRRU1VIGlmIHVucGx1ZyBoYXMgaGFwcGVuZWQgYW5kIGNvbWJpbmUgdGhpcyB3aXRoIG9w dGlvbiAxIHRvCiAgIG1ha2UgbGlieGwgInNtYXJ0ZXIiLiBGb3IgZXhhbXBsZSwgaWYgdW5wbHVn IGhhcyBoYXBwZW5lZCwgdGhlCiAgIGludGVudGlvbiBmbGFnIGRlZmF1bHRzIHRvIHB2LCBvdGhl cndpc2UgaXQgZGVmYXVsdHMgdG8gYm90aC4gVGhpcwogICByZXF1aXJlcyBtb2RpZnlpbmcgUUVN VS4KCkZvbGxvdyB0aGUgc2FtZSBwcmluY2lwbGUgZm9yIG5pYy4KCkRvIHdlIGV4cGVjdCBtb3Jl IGRldmljZXMgdG8gYmUgYWJsZSB0byBzd2l0Y2ggZnJvbSBlbXVsYXRpb24gcGF0aCB0bwpwdiBw YXRoPwoKSSBjYW4gdGFrZSBhIHN0YWIgYXQgdGhpcyBpZiB3ZSBtYWtlIGEgZGVjaXNpb24gb24g d2hhdCB0byBkby4KCldlaS4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcK aHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==