From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Stabellini <sstabellini@kernel.org>
Subject: [PATCH v3 6/9] xen/9pfs: receive requests from the
	frontend
Date: Thu, 16 Mar 2017 13:01:55 -0700
Message-ID: <1489694518-16978-6-git-send-email-sstabellini@kernel.org>
References: <alpine.DEB.2.10.1703161241220.14378@sstabellini-ThinkPad-X260>
 <1489694518-16978-1-git-send-email-sstabellini@kernel.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta6.messagelabs.com ([193.109.254.103])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <sstabellini@kernel.org>) id 1cobbN-00069G-3M
 for xen-devel@lists.xenproject.org; Thu, 16 Mar 2017 20:02:25 +0000
In-Reply-To: <1489694518-16978-1-git-send-email-sstabellini@kernel.org>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: qemu-devel@nongnu.org
Cc: jgross@suse.com, sstabellini@kernel.org, groug@kaod.org, Stefano Stabellini <stefano@aporeto.com>, "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, anthony.perard@citrix.com, xen-devel@lists.xenproject.org
List-Id: xen-devel@lists.xenproject.org

VXBvbiByZWNlaXZpbmcgYW4gZXZlbnQgY2hhbm5lbCBub3RpZmljYXRpb24gZnJvbSB0aGUgZnJv
bnRlbmQsIHNjaGVkdWxlCnRoZSBib3R0b20gaGFsZi4gRnJvbSB0aGUgYm90dG9tIGhhbGYsIHJl
YWQgb25lIHJlcXVlc3QgZnJvbSB0aGUgcmluZywKY3JlYXRlIGEgcGR1IGFuZCBjYWxsIHBkdV9z
dWJtaXQgdG8gaGFuZGxlIGl0LgoKRm9yIG5vdywgb25seSBoYW5kbGUgb25lIHJlcXVlc3QgcGVy
IHJpbmcgYXQgYSB0aW1lLgoKU2lnbmVkLW9mZi1ieTogU3RlZmFubyBTdGFiZWxsaW5pIDxzdGVm
YW5vQGFwb3JldG8uY29tPgpDQzogYW50aG9ueS5wZXJhcmRAY2l0cml4LmNvbQpDQzogamdyb3Nz
QHN1c2UuY29tCkNDOiBBbmVlc2ggS3VtYXIgSy5WIDxhbmVlc2gua3VtYXJAbGludXgudm5ldC5p
Ym0uY29tPgpDQzogR3JlZyBLdXJ6IDxncm91Z0BrYW9kLm9yZz4KLS0tCiBody85cGZzL3hlbi05
cC1iYWNrZW5kLmMgfCA0OCArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr
KysrKysrKysKIDEgZmlsZSBjaGFuZ2VkLCA0OCBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEv
aHcvOXBmcy94ZW4tOXAtYmFja2VuZC5jIGIvaHcvOXBmcy94ZW4tOXAtYmFja2VuZC5jCmluZGV4
IDNmZDIwZmYuLmY3NTc1OTEgMTAwNjQ0Ci0tLSBhL2h3LzlwZnMveGVuLTlwLWJhY2tlbmQuYwor
KysgYi9ody85cGZzL3hlbi05cC1iYWNrZW5kLmMKQEAgLTEwNCwxMiArMTA0LDYwIEBAIHN0YXRp
YyBpbnQgeGVuXzlwZnNfaW5pdChzdHJ1Y3QgWGVuRGV2aWNlICp4ZW5kZXYpCiAgICAgcmV0dXJu
IDA7CiB9CiAKK3N0YXRpYyBpbnQgeGVuXzlwZnNfcmVjZWl2ZShYZW45cGZzUmluZyAqcmluZykK
K3sKKyAgICBQOU1zZ0hlYWRlciBoOworICAgIFJJTkdfSURYIGNvbnMsIHByb2QsIG1hc2tlZF9w
cm9kLCBtYXNrZWRfY29uczsKKyAgICBWOWZzUERVICpwZHU7CisKKyAgICBpZiAocmluZy0+aW5w
cm9ncmVzcykgeworICAgICAgICByZXR1cm4gMDsKKyAgICB9CisKKyAgICBjb25zID0gcmluZy0+
aW50Zi0+b3V0X2NvbnM7CisgICAgcHJvZCA9IHJpbmctPmludGYtPm91dF9wcm9kOworICAgIHhl
bl9ybWIoKTsKKworICAgIGlmICh4ZW5fOXBmc19xdWV1ZWQocHJvZCwgY29ucywgWEVOXzlQRlNf
UklOR19TSVpFKSA8IHNpemVvZihoKSkgeworICAgICAgICByZXR1cm4gMDsKKyAgICB9CisgICAg
cmluZy0+aW5wcm9ncmVzcyA9IHRydWU7CisKKyAgICBtYXNrZWRfcHJvZCA9IHhlbl85cGZzX21h
c2socHJvZCwgWEVOXzlQRlNfUklOR19TSVpFKTsKKyAgICBtYXNrZWRfY29ucyA9IHhlbl85cGZz
X21hc2soY29ucywgWEVOXzlQRlNfUklOR19TSVpFKTsKKworICAgIHhlbl85cGZzX3JlYWRfcGFj
a2V0KHJpbmctPnJpbmcub3V0LCBtYXNrZWRfcHJvZCwgJm1hc2tlZF9jb25zLAorICAgICAgICAg
ICAgICAgICAgICAgICAgIFhFTl85UEZTX1JJTkdfU0laRSwgKHVpbnQ4X3QgKikgJmgsIHNpemVv
ZihoKSk7CisKKyAgICAvKiBjYW5ub3QgZmFpbCwgYmVjYXVzZSB3ZSBvbmx5IGhhbmRsZSBvbmUg
cmVxdWVzdCBwZXIgcmluZyBhdCBhIHRpbWUgKi8KKyAgICBwZHUgPSBwZHVfYWxsb2MoJnJpbmct
PnByaXYtPnN0YXRlKTsKKyAgICBwZHUtPnNpemUgPSBsZTMyX3RvX2NwdShoLnNpemVfbGUpOwor
ICAgIHBkdS0+aWQgPSBoLmlkOworICAgIHBkdS0+dGFnID0gbGUzMl90b19jcHUoaC50YWdfbGUp
OworICAgIHJpbmctPm91dF9zaXplID0gbGUzMl90b19jcHUoaC5zaXplX2xlKTsKKyAgICByaW5n
LT5vdXRfY29ucyA9IGNvbnMgKyBsZTMyX3RvX2NwdShoLnNpemVfbGUpOworCisgICAgcWVtdV9j
b19xdWV1ZV9pbml0KCZwZHUtPmNvbXBsZXRlKTsKKyAgICBwZHVfc3VibWl0KHBkdSk7CisKKyAg
ICByZXR1cm4gMDsKK30KKwogc3RhdGljIHZvaWQgeGVuXzlwZnNfYmgodm9pZCAqb3BhcXVlKQog
eworICAgIFhlbjlwZnNSaW5nICpyaW5nID0gb3BhcXVlOworICAgIHhlbl85cGZzX3JlY2VpdmUo
cmluZyk7CiB9CiAKIHN0YXRpYyB2b2lkIHhlbl85cGZzX2V2dGNobl9ldmVudCh2b2lkICpvcGFx
dWUpCiB7CisgICAgWGVuOXBmc1JpbmcgKnJpbmcgPSBvcGFxdWU7CisgICAgZXZ0Y2huX3BvcnRf
dCBwb3J0OworCisgICAgcG9ydCA9IHhlbmV2dGNobl9wZW5kaW5nKHJpbmctPmV2dGNobmRldik7
CisgICAgeGVuZXZ0Y2huX3VubWFzayhyaW5nLT5ldnRjaG5kZXYsIHBvcnQpOworCisgICAgcWVt
dV9iaF9zY2hlZHVsZShyaW5nLT5iaCk7CiB9CiAKIHN0YXRpYyBpbnQgeGVuXzlwZnNfZnJlZShz
dHJ1Y3QgWGVuRGV2aWNlICp4ZW5kZXYpCi0tIAoxLjkuMQoKCl9fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl
dmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=