From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53965) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cnZoZ-00006Y-0p for qemu-devel@nongnu.org; Mon, 13 Mar 2017 19:55:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cnZoV-0004U7-2m for qemu-devel@nongnu.org; Mon, 13 Mar 2017 19:55:47 -0400 Received: from mail.kernel.org ([198.145.29.136]:46614) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cnZoU-0004T8-S0 for qemu-devel@nongnu.org; Mon, 13 Mar 2017 19:55:43 -0400 Date: Mon, 13 Mar 2017 16:55:37 -0700 (PDT) From: Stefano Stabellini Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Subject: [Qemu-devel] [PATCH v2 0/9] xen/9pfs: introduce the Xen 9pfs backend List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: xen-devel@lists.xenproject.org, sstabellini@kernel.org, anthony.perard@citrix.com, jgross@suse.com, aneesh.kumar@linux.vnet.ibm.com, groug@kaod.org Hi all, This patch series implements a new transport for 9pfs, aimed at Xen systems. The transport is based on a traditional Xen frontend and backend drivers pair. This patch series implements the backend, which typically runs in Dom0. I sent another series to implement the frontend in Linux (http://marc.info/?l=linux-kernel&m=148883047125960&w=2). The backend complies to the Xen transport for 9pfs specification version 1, available here: http://xenbits.xen.org/gitweb/?p=xen.git;a=blob_plain;f=docs/misc/9pfs.markdown;hb=HEAD Changes in v2: - fix coding style - compile xen-9p-backend.c if CONFIG_XEN_BACKEND - add patch to set CONFIG_XEN_BACKEND only for the right targets - add review-bys Stefano Stabellini (9): configure: change CONFIG_XEN_BACKEND to be a target property xen: import ring.h from xen xen: introduce the header file for the Xen 9pfs transport protocol xen/9pfs: introduce Xen 9pfs backend xen/9pfs: connect to the frontend xen/9pfs: receive requests from the frontend xen/9pfs: implement in/out_iov_from_pdu and vmarshal/vunmarshal xen/9pfs: send responses back to the frontend xen/9pfs: build and register Xen 9pfs backend configure | 2 +- hw/9pfs/Makefile.objs | 1 + hw/9pfs/xen-9p-backend.c | 403 ++++++++++++++++++++++++++++++++++++++ hw/9pfs/xen_9pfs.h | 20 ++ hw/block/xen_blkif.h | 2 +- hw/usb/xen-usb.c | 2 +- hw/xen/xen_backend.c | 3 + include/hw/xen/io/ring.h | 455 +++++++++++++++++++++++++++++++++++++++++++ include/hw/xen/xen_backend.h | 3 + 9 files changed, 888 insertions(+), 3 deletions(-) create mode 100644 hw/9pfs/xen-9p-backend.c create mode 100644 hw/9pfs/xen_9pfs.h create mode 100644 include/hw/xen/io/ring.h From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH v2 0/9] xen/9pfs: introduce the Xen 9pfs backend Date: Mon, 13 Mar 2017 16:55:37 -0700 (PDT) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cnZoW-0007ox-8n for xen-devel@lists.xenproject.org; Mon, 13 Mar 2017 23:55:44 +0000 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: qemu-devel@nongnu.org Cc: jgross@suse.com, sstabellini@kernel.org, groug@kaod.org, aneesh.kumar@linux.vnet.ibm.com, anthony.perard@citrix.com, xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org SGkgYWxsLAoKVGhpcyBwYXRjaCBzZXJpZXMgaW1wbGVtZW50cyBhIG5ldyB0cmFuc3BvcnQgZm9y IDlwZnMsIGFpbWVkIGF0IFhlbgpzeXN0ZW1zLgoKVGhlIHRyYW5zcG9ydCBpcyBiYXNlZCBvbiBh IHRyYWRpdGlvbmFsIFhlbiBmcm9udGVuZCBhbmQgYmFja2VuZCBkcml2ZXJzCnBhaXIuIFRoaXMg cGF0Y2ggc2VyaWVzIGltcGxlbWVudHMgdGhlIGJhY2tlbmQsIHdoaWNoIHR5cGljYWxseSBydW5z IGluCkRvbTAuIEkgc2VudCBhbm90aGVyIHNlcmllcyB0byBpbXBsZW1lbnQgdGhlIGZyb250ZW5k IGluIExpbnV4CihodHRwOi8vbWFyYy5pbmZvLz9sPWxpbnV4LWtlcm5lbCZtPTE0ODg4MzA0NzEy NTk2MCZ3PTIpLgoKVGhlIGJhY2tlbmQgY29tcGxpZXMgdG8gdGhlIFhlbiB0cmFuc3BvcnQgZm9y IDlwZnMgc3BlY2lmaWNhdGlvbgp2ZXJzaW9uIDEsIGF2YWlsYWJsZSBoZXJlOgoKaHR0cDovL3hl bmJpdHMueGVuLm9yZy9naXR3ZWIvP3A9eGVuLmdpdDthPWJsb2JfcGxhaW47Zj1kb2NzL21pc2Mv OXBmcy5tYXJrZG93bjtoYj1IRUFECgoKQ2hhbmdlcyBpbiB2MjoKLSBmaXggY29kaW5nIHN0eWxl Ci0gY29tcGlsZSB4ZW4tOXAtYmFja2VuZC5jIGlmIENPTkZJR19YRU5fQkFDS0VORAotIGFkZCBw YXRjaCB0byBzZXQgQ09ORklHX1hFTl9CQUNLRU5EIG9ubHkgZm9yIHRoZSByaWdodCB0YXJnZXRz Ci0gYWRkIHJldmlldy1ieXMKClN0ZWZhbm8gU3RhYmVsbGluaSAoOSk6CiAgICAgIGNvbmZpZ3Vy ZTogY2hhbmdlIENPTkZJR19YRU5fQkFDS0VORCB0byBiZSBhIHRhcmdldCBwcm9wZXJ0eQogICAg ICB4ZW46IGltcG9ydCByaW5nLmggZnJvbSB4ZW4KICAgICAgeGVuOiBpbnRyb2R1Y2UgdGhlIGhl YWRlciBmaWxlIGZvciB0aGUgWGVuIDlwZnMgdHJhbnNwb3J0IHByb3RvY29sCiAgICAgIHhlbi85 cGZzOiBpbnRyb2R1Y2UgWGVuIDlwZnMgYmFja2VuZAogICAgICB4ZW4vOXBmczogY29ubmVjdCB0 byB0aGUgZnJvbnRlbmQKICAgICAgeGVuLzlwZnM6IHJlY2VpdmUgcmVxdWVzdHMgZnJvbSB0aGUg ZnJvbnRlbmQKICAgICAgeGVuLzlwZnM6IGltcGxlbWVudCBpbi9vdXRfaW92X2Zyb21fcGR1IGFu ZCB2bWFyc2hhbC92dW5tYXJzaGFsCiAgICAgIHhlbi85cGZzOiBzZW5kIHJlc3BvbnNlcyBiYWNr IHRvIHRoZSBmcm9udGVuZAogICAgICB4ZW4vOXBmczogYnVpbGQgYW5kIHJlZ2lzdGVyIFhlbiA5 cGZzIGJhY2tlbmQKCiBjb25maWd1cmUgICAgICAgICAgICAgICAgICAgIHwgICAyICstCiBody85 cGZzL01ha2VmaWxlLm9ianMgICAgICAgIHwgICAxICsKIGh3LzlwZnMveGVuLTlwLWJhY2tlbmQu YyAgICAgfCA0MDMgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIGh3Lzlw ZnMveGVuXzlwZnMuaCAgICAgICAgICAgfCAgMjAgKysKIGh3L2Jsb2NrL3hlbl9ibGtpZi5oICAg ICAgICAgfCAgIDIgKy0KIGh3L3VzYi94ZW4tdXNiLmMgICAgICAgICAgICAgfCAgIDIgKy0KIGh3 L3hlbi94ZW5fYmFja2VuZC5jICAgICAgICAgfCAgIDMgKwogaW5jbHVkZS9ody94ZW4vaW8vcmlu Zy5oICAgICB8IDQ1NSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr CiBpbmNsdWRlL2h3L3hlbi94ZW5fYmFja2VuZC5oIHwgICAzICsKIDkgZmlsZXMgY2hhbmdlZCwg ODg4IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCiBjcmVhdGUgbW9kZSAxMDA2NDQgaHcv OXBmcy94ZW4tOXAtYmFja2VuZC5jCiBjcmVhdGUgbW9kZSAxMDA2NDQgaHcvOXBmcy94ZW5fOXBm cy5oCiBjcmVhdGUgbW9kZSAxMDA2NDQgaW5jbHVkZS9ody94ZW4vaW8vcmluZy5oCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4t ZGV2ZWwK