From nobody Mon Feb 9 06:50:24 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.alibaba.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1658152254306105.80674471581165; Mon, 18 Jul 2022 06:50:54 -0700 (PDT) Received: from localhost ([::1]:33172 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oDR9B-0001Lp-1c for importer@patchew.org; Mon, 18 Jul 2022 09:50:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37252) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDOpl-0007NM-Hj for qemu-devel@nongnu.org; Mon, 18 Jul 2022 07:22:41 -0400 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]:56319) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDOpf-0000iy-OA for qemu-devel@nongnu.org; Mon, 18 Jul 2022 07:22:38 -0400 Received: from localhost(mailfrom:kangjie.xu@linux.alibaba.com fp:SMTPD_---0VJjIAAF_1658143046) by smtp.aliyun-inc.com; Mon, 18 Jul 2022 19:17:26 +0800 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R961e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018046050; MF=kangjie.xu@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0; TI=SMTPD_---0VJjIAAF_1658143046; From: Kangjie Xu To: qemu-devel@nongnu.org Cc: mst@redhat.com, jasowang@redhat.com, hengqi@linux.alibaba.com, xuanzhuo@linux.alibaba.com Subject: [PATCH 13/16] virtio: introduce queue_enable in virtio Date: Mon, 18 Jul 2022 19:17:10 +0800 Message-Id: X-Mailer: git-send-email 2.32.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=115.124.30.132; envelope-from=kangjie.xu@linux.alibaba.com; helo=out30-132.freemail.mail.aliyun.com X-Spam_score_int: -98 X-Spam_score: -9.9 X-Spam_bar: --------- X-Spam_report: (-9.9 / 5.0 requ) BAYES_00=-1.9, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_SPF_WL=-7.5 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 18 Jul 2022 09:49:04 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1658152254932100001 Content-Type: text/plain; charset="utf-8" Introduce the interface queue_enable() in VirtioDeviceClass and the fucntion virtio_queue_enable() in virtio, it can be called when VIRTIO_PCI_COMMON_Q_ENABLE is written. Signed-off-by: Kangjie Xu Signed-off-by: Xuan Zhuo --- hw/virtio/virtio-pci.c | 1 + hw/virtio/virtio.c | 9 +++++++++ include/hw/virtio/virtio.h | 2 ++ 3 files changed, 12 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 35e8a5101a..85e1840479 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1335,6 +1335,7 @@ static void virtio_pci_common_write(void *opaque, hwa= ddr addr, proxy->vqs[vdev->queue_sel].avail[0], ((uint64_t)proxy->vqs[vdev->queue_sel].used[1]) << = 32 | proxy->vqs[vdev->queue_sel].used[0]); + virtio_queue_enable(vdev, vdev->queue_sel); proxy->vqs[vdev->queue_sel].enabled =3D 1; proxy->vqs[vdev->queue_sel].reset =3D 0; } else { diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 0e9d41366f..82eb9dd4f2 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2050,6 +2050,15 @@ void virtio_queue_reset(VirtIODevice *vdev, uint32_t= queue_index) __virtio_queue_reset(vdev, queue_index); } =20 +void virtio_queue_enable(VirtIODevice *vdev, uint32_t queue_index) +{ + VirtioDeviceClass *k =3D VIRTIO_DEVICE_GET_CLASS(vdev); + + if (k->queue_enable) { + k->queue_enable(vdev, queue_index); + } +} + void virtio_reset(void *opaque) { VirtIODevice *vdev =3D opaque; diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 879394299b..085997d8f3 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -131,6 +131,7 @@ struct VirtioDeviceClass { void (*reset)(VirtIODevice *vdev); void (*set_status)(VirtIODevice *vdev, uint8_t val); void (*queue_reset)(VirtIODevice *vdev, uint32_t queue_index); + void (*queue_enable)(VirtIODevice *vdev, uint32_t queue_index); /* For transitional devices, this is a bitmap of features * that are only exposed on the legacy interface but not * the modern one. @@ -270,6 +271,7 @@ int virtio_queue_set_host_notifier_mr(VirtIODevice *vde= v, int n, int virtio_set_status(VirtIODevice *vdev, uint8_t val); void virtio_reset(void *opaque); void virtio_queue_reset(VirtIODevice *vdev, uint32_t queue_index); +void virtio_queue_enable(VirtIODevice *vdev, uint32_t queue_index); void virtio_update_irq(VirtIODevice *vdev); int virtio_set_features(VirtIODevice *vdev, uint64_t val); =20 --=20 2.32.0