{"id":2225321,"url":"http://patchwork.ozlabs.org/api/patches/2225321/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420202032.714884-10-vsementsov@yandex-team.ru/","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":"<20260420202032.714884-10-vsementsov@yandex-team.ru>","list_archive_url":null,"date":"2026-04-20T20:20:30","name":"[v2,09/10] vhost: add .vhost_phys_iotlb_msg() handler","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"abf25f470d8ef3fd1b78d9931445422daa289196","submitter":{"id":84116,"url":"http://patchwork.ozlabs.org/api/people/84116/?format=json","name":"Vladimir Sementsov-Ogievskiy","email":"vsementsov@yandex-team.ru"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420202032.714884-10-vsementsov@yandex-team.ru/mbox/","series":[{"id":500676,"url":"http://patchwork.ozlabs.org/api/series/500676/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500676","date":"2026-04-20T20:20:24","name":"vhost-user: VHOST_USER_PROTOCOL_F_GPA_ADDRESSES","version":2,"mbox":"http://patchwork.ozlabs.org/series/500676/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225321/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225321/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=yandex-team.ru header.i=@yandex-team.ru\n header.a=rsa-sha256 header.s=default header.b=wYgb7lTb;\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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Mon, 20 Apr 2026 16:20:50 -0400","from mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net\n (mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net\n [IPv6:2a02:6b8:c0c:c00c:0:640:e0de:0])\n by forwardcorp1b.mail.yandex.net (Yandex) with ESMTPS id E76ED8077E;\n Mon, 20 Apr 2026 23:20:47 +0300 (MSK)","from vsementsov-lin (unknown [2a02:6bf:8080:54b::1:34])\n by mail-nwsmtp-smtp-corp-main-80.iva.yp-c.yandex.net (smtpcorp) with ESMTPSA\n id XKYwe10MOSw0-NWPniVVL; Mon, 20 Apr 2026 23:20:47 +0300"],"X-Yandex-Fwd":"1","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru;\n s=default; t=1776716447;\n bh=+5Ir8ta7fWrDRTJr8RmvUcBm5Hy7vJgrEXmOl04iJcw=;\n h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From;\n b=wYgb7lTbQMlJGhPPBEUDaCsNtVz3EQ35yUx4YNaIwqst7ePNhLabhqMubXQcReOX8\n zevmt00+J7kfLqAiIqreiSNTgj6md0HqHCqYdOy4s3CgH7CXTIiH99W8ToVk4afTfu\n R5woBc2y6zg333ADJNPmJkDPkAL44FAeEJV7Z2ww=","From":"Vladimir Sementsov-Ogievskiy ","To":"mst@redhat.com","Cc":"sgarzare@redhat.com, qemu-devel@nongnu.org, vsementsov@yandex-team.ru,\n d-tatianin@yandex-team.ru","Subject":"[PATCH v2 09/10] vhost: add .vhost_phys_iotlb_msg() handler","Date":"Mon, 20 Apr 2026 23:20:30 +0300","Message-ID":"<20260420202032.714884-10-vsementsov@yandex-team.ru>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260420202032.714884-1-vsementsov@yandex-team.ru>","References":"<20260420202032.714884-1-vsementsov@yandex-team.ru>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=178.154.239.136;\n envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1b.mail.yandex.net","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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=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":"Allow backends to chose, which addr to put into vhost_iotlb_msg:\nuser or physical. To be used in further commit.\n\nSigned-off-by: Vladimir Sementsov-Ogievskiy \n---\n hw/virtio/vhost.c | 11 ++++++++---\n include/hw/virtio/vhost-backend.h | 3 +++\n 2 files changed, 11 insertions(+), 3 deletions(-)","diff":"diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c\nindex e3d452a7637..af41841b529 100644\n--- a/hw/virtio/vhost.c\n+++ b/hw/virtio/vhost.c\n@@ -920,14 +920,18 @@ static void vhost_region_addnop(MemoryListener *listener,\n }\n \n static int vhost_update_device_iotlb(struct vhost_dev *dev,\n- uint64_t iova, uint64_t uaddr,\n+ uint64_t iova,\n+ uint64_t paddr,\n+ uint64_t uaddr,\n uint64_t len,\n IOMMUAccessFlags perm)\n {\n+ bool phys = dev->vhost_ops->vhost_phys_iotlb_msg &&\n+ dev->vhost_ops->vhost_phys_iotlb_msg(dev);\n struct vhost_iotlb_msg imsg;\n \n imsg.iova = iova;\n- imsg.uaddr = uaddr;\n+ imsg.uaddr = phys ? paddr : uaddr;\n imsg.size = len;\n imsg.type = VHOST_IOTLB_UPDATE;\n \n@@ -1385,7 +1389,8 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t iova, int write)\n len = MIN(iotlb.addr_mask + 1, len);\n iova = iova & ~iotlb.addr_mask;\n \n- ret = vhost_update_device_iotlb(dev, iova, uaddr, len, iotlb.perm);\n+ ret = vhost_update_device_iotlb(dev, iova, iotlb.translated_addr, uaddr,\n+ len, iotlb.perm);\n if (ret) {\n trace_vhost_iotlb_miss(dev, 4);\n error_report(\"Fail to update device iotlb\");\ndiff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h\nindex 7cc3bb54418..00881a0bd44 100644\n--- a/include/hw/virtio/vhost-backend.h\n+++ b/include/hw/virtio/vhost-backend.h\n@@ -143,6 +143,8 @@ typedef int (*vhost_dev_start_op)(struct vhost_dev *dev, bool started);\n \n typedef bool (*vhost_phys_vring_addr_op)(struct vhost_dev *dev);\n \n+typedef bool (*vhost_phys_iotlb_msg_op)(struct vhost_dev *dev);\n+\n typedef int (*vhost_get_device_id_op)(struct vhost_dev *dev, uint32_t *dev_id);\n \n typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev);\n@@ -210,6 +212,7 @@ typedef struct VhostOps {\n vhost_set_inflight_fd_op vhost_set_inflight_fd;\n vhost_dev_start_op vhost_dev_start;\n vhost_phys_vring_addr_op vhost_phys_vring_addr;\n+ vhost_phys_iotlb_msg_op vhost_phys_iotlb_msg;\n vhost_get_device_id_op vhost_get_device_id;\n vhost_force_iommu_op vhost_force_iommu;\n vhost_set_config_call_op vhost_set_config_call;\n","prefixes":["v2","09/10"]}