From patchwork Thu Jul 20 18:14:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 13320951 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9CF00EB64DA for ; Thu, 20 Jul 2023 18:16:43 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qMYBd-0004L7-Hs; Thu, 20 Jul 2023 14:15:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qMYBJ-0004Dm-QY for qemu-devel@nongnu.org; Thu, 20 Jul 2023 14:15:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qMYBG-0003I3-O4 for qemu-devel@nongnu.org; Thu, 20 Jul 2023 14:15:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1689876913; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Nag6baYm1KG8EZBPsQkKS/2lJrXvwaihqgRRI4ssZX8=; b=dhs0iUJbeqFqq/xqo/nOrHKxGPhatKk33+YPRrfQ4AhC6NbnQVuiSHKyEgNjdgPQCy9kvi 7Fdt0mqthXaXYAJXBeFQIrThwciimpF2x5po08kjZ09MhTBWMCwo9wwTYlJqMD/GBmo6AD ehNjp+N2B3mdy/Sq4tab/WfGsshO1HY= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-83-o2SLo1nhMSC3D4TIvPaW6g-1; Thu, 20 Jul 2023 14:15:07 -0400 X-MC-Unique: o2SLo1nhMSC3D4TIvPaW6g-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 79D851C04356; Thu, 20 Jul 2023 18:15:06 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.122]) by smtp.corp.redhat.com (Postfix) with ESMTP id 28D012166B25; Thu, 20 Jul 2023 18:15:05 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: yvugenfi@redhat.com, =?utf-8?q?Eugenio_P=C3=A9rez?= , si-wei.liu@oracle.com, Jason Wang , "Michael S. Tsirkin" , Dragos Tatulea , Shannon Nelson Subject: [RFC PATCH 02/12] vhost: add vhost_restart_queue_op Date: Thu, 20 Jul 2023 20:14:49 +0200 Message-Id: <20230720181459.607008-3-eperezma@redhat.com> In-Reply-To: <20230720181459.607008-1-eperezma@redhat.com> References: <20230720181459.607008-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@redhat.com; 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org So different vhost backends can perform custom actions at queue restart. Signed-off-by: Eugenio Pérez --- include/hw/virtio/vhost-backend.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index 37e05fa1f9..651402af10 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -135,6 +135,8 @@ typedef void (*vhost_reset_status_op)(struct vhost_dev *dev); typedef void (*vhost_reset_queue_op)(struct vhost_dev *dev, int idx); +typedef int (*vhost_restart_queue_op)(struct vhost_dev *dev, int idx); + typedef struct VhostOps { VhostBackendType backend_type; vhost_backend_init vhost_backend_init; @@ -184,6 +186,7 @@ typedef struct VhostOps { vhost_set_config_call_op vhost_set_config_call; vhost_reset_status_op vhost_reset_status; vhost_reset_queue_op vhost_reset_queue; + vhost_restart_queue_op vhost_restart_queue; } VhostOps; int vhost_backend_update_device_iotlb(struct vhost_dev *dev,