{"id":2225844,"url":"http://patchwork.ozlabs.org/api/patches/2225844/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421163438.3447280-14-clg@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260421163438.3447280-14-clg@redhat.com>","list_archive_url":null,"date":"2026-04-21T16:34:37","name":"[PULL,13/14] vfio-user: correct protocol for DMA reads/writes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"534ffbc0376533933612a64511428bbb50ce3ca1","submitter":{"id":85406,"url":"http://patchwork.ozlabs.org/api/people/85406/?format=json","name":"Cédric Le Goater","email":"clg@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421163438.3447280-14-clg@redhat.com/mbox/","series":[{"id":500853,"url":"http://patchwork.ozlabs.org/api/series/500853/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500853","date":"2026-04-21T16:34:24","name":"[PULL,01/14] hw/vfio/listener.c: remove CONFIG_KVM","version":1,"mbox":"http://patchwork.ozlabs.org/series/500853/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225844/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225844/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=huGWL8eV;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776789315;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=Ag3As0f4fL9HtrGb1OP7FYrdzOBSvJ9BHuESWcySACw=;\n b=huGWL8eV1u4suTY2X7OPusHMPqvfY/MVcOnJOgUpih/W6oTKhMdtYAkSbavUe8t7D91seK\n mY8onPHpzXvaUqEr8pF23BEccpEuYkAD6+83DjH8o/CqRvz7tEbba8T3yx4h5Q0+Wgm7KK\n jsc2jY9o6B2UPaplDt0Up125Bs3RF+A=","X-MC-Unique":"dqXlcsoAMZqSUc9-63DYTw-1","X-Mimecast-MFC-AGG-ID":"dqXlcsoAMZqSUc9-63DYTw_1776789311","From":"=?utf-8?q?C=C3=A9dric_Le_Goater?= ","To":"qemu-devel@nongnu.org","Cc":"Alex Williamson , John Levon ,\n Patrick Mooney ,\n =?utf-8?q?C=C3=A9dric_Le_Goater?= ","Subject":"[PULL 13/14] vfio-user: correct protocol for DMA reads/writes","Date":"Tue, 21 Apr 2026 18:34:37 +0200","Message-ID":"<20260421163438.3447280-14-clg@redhat.com>","In-Reply-To":"<20260421163438.3447280-1-clg@redhat.com>","References":"<20260421163438.3447280-1-clg@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.17","Received-SPF":"pass client-ip=170.10.133.124; envelope-from=clg@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: John Levon \n\nThe \"count\" parameter in the DMA write reply should be 8 bytes in size.\n\nReported-by: Patrick Mooney \nSigned-off-by: John Levon \nReviewed-by: Cédric Le Goater \nLink: https://lore.kernel.org/qemu-devel/20260410085716.877185-3-john.levon@nutanix.com\nSigned-off-by: Cédric Le Goater \n---\n docs/interop/vfio-user.rst | 2 +-\n hw/vfio-user/protocol.h | 2 +-\n 2 files changed, 2 insertions(+), 2 deletions(-)","diff":"diff --git a/docs/interop/vfio-user.rst b/docs/interop/vfio-user.rst\nindex 303fc13d6ec4c32c32bd95604c75239342d85062..d4766487ea6d0ee021316890d443814957cf6284 100644\n--- a/docs/interop/vfio-user.rst\n+++ b/docs/interop/vfio-user.rst\n@@ -1463,7 +1463,7 @@ Reply\n +=========+========+==========+\n | address | 0 | 8 |\n +---------+--------+----------+\n-| count | 8 | 4 |\n+| count | 8 | 8 |\n +---------+--------+----------+\n \n * *address* is the client DMA memory address being accessed.\ndiff --git a/hw/vfio-user/protocol.h b/hw/vfio-user/protocol.h\nindex 2a0c31e7c57f8ed86681ebd96b20df3e32792dec..c478d1353f9d618ef8c202cd28cd638aeed3bd57 100644\n--- a/hw/vfio-user/protocol.h\n+++ b/hw/vfio-user/protocol.h\n@@ -210,7 +210,7 @@ typedef struct {\n typedef struct {\n VFIOUserHdr hdr;\n uint64_t offset;\n- uint32_t count;\n+ uint64_t count;\n char data[];\n } VFIOUserDMARW;\n \n","prefixes":["PULL","13/14"]}