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GET /api/patches/2194497/?format=api
{ "id": 2194497, "url": "http://patchwork.ozlabs.org/api/patches/2194497/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260209073908.2125178-10-vsementsov@yandex-team.ru/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "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": "<20260209073908.2125178-10-vsementsov@yandex-team.ru>", "list_archive_url": null, "date": "2026-02-09T07:39:06", "name": "[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=api", "name": "Vladimir Sementsov-Ogievskiy", "email": "vsementsov@yandex-team.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260209073908.2125178-10-vsementsov@yandex-team.ru/mbox/", "series": [ { "id": 491471, "url": "http://patchwork.ozlabs.org/api/series/491471/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491471", "date": "2026-02-09T07:38:57", "name": "vhost-user: VHOST_USER_PROTOCOL_F_GPA_ADDRESSES", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491471/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194497/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194497/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=jUZqnmPL;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net;\n dkim=pass header.i=@yandex-team.ru" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f8c7c1Lknz1xtr\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 09 Feb 2026 18:41:00 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpLrr-0000qH-0v; Mon, 09 Feb 2026 02:39:35 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <vsementsov@yandex-team.ru>)\n id 1vpLrh-0000nB-10\n for qemu-devel@nongnu.org; Mon, 09 Feb 2026 02:39:27 -0500", "from forwardcorp1d.mail.yandex.net\n ([2a02:6b8:c41:1300:1:45:d181:df01])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <vsementsov@yandex-team.ru>)\n id 1vpLrc-0004gE-2V\n for qemu-devel@nongnu.org; Mon, 09 Feb 2026 02:39:24 -0500", "from mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net\n (mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net\n [IPv6:2a02:6b8:c42:65a0:0:640:e1de:0])\n by forwardcorp1d.mail.yandex.net (Yandex) with ESMTPS id C500380806;\n Mon, 09 Feb 2026 10:39:18 +0300 (MSK)", "from vsementsov-lin (unknown [2a02:6bf:8080:129::1:13])\n by mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net (smtpcorp/Yandex) with\n ESMTPSA id BdLXu72As8c0-uVpxpN4P; Mon, 09 Feb 2026 10:39:18 +0300" ], "X-Yandex-Fwd": "1", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru;\n s=default; t=1770622758;\n bh=orjmREBgPvbPh48epQjL6aVQxb7OCGxdvmtAJJ+3lbY=;\n h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From;\n b=jUZqnmPLsSIoh0WMv4YC/DgE3AwnSWc5h/uwoxGeBqD2jQM6lDVKo3SkzjW8uGe3J\n SK0L/ZKwMXjxSNGUR3edBCp8GiYM5QRUNUSH7+qVUZMOSPr44iYI663vrmPzILJgOf\n 1RxrMF2lTnv+25/sszs5tjeEQopkteXfiUq4ETZM=", "From": "Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>", "To": "mst@redhat.com", "Cc": "sgarzare@redhat.com, qemu-devel@nongnu.org, vsementsov@yandex-team.ru,\n d-tatianin@yandex-team.ru", "Subject": "[PATCH 09/10] vhost: add .vhost_phys_iotlb_msg() handler", "Date": "Mon, 9 Feb 2026 10:39:06 +0300", "Message-ID": "<20260209073908.2125178-10-vsementsov@yandex-team.ru>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260209073908.2125178-1-vsementsov@yandex-team.ru>", "References": "<20260209073908.2125178-1-vsementsov@yandex-team.ru>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a02:6b8:c41:1300:1:45:d181:df01;\n envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1d.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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "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 <vsementsov@yandex-team.ru>\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 1cde1aaebf..36e43e0af5 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@@ -1387,7 +1391,8 @@ 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 7cc3bb5441..00881a0bd4 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": [ "09/10" ] }