From nobody Wed Feb 11 02:08:31 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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 ARC-Seal: i=1; a=rsa-sha256; t=1694509017; cv=none; d=zohomail.com; s=zohoarc; b=V6O7vB6RtMlfVnnOCya3uw4jMTsuhCqDHiIg0+BXhi0MkSFh6LXBrJx/A1RrogfEdaQ9rvN9Hhml+gN+fkSjbFF4SsN+5QqhFE2IQ9k+zzf25Z864dRjEL0Q1h86pae/9ctS3HpbQZzLCBLiWwJ2XXZKBeoMcStsSmxkVo6Je1c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1694509017; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=FJWI2RWxSuuHEAQnNUIufNGq1knrJeTQjKy85JEOKag=; b=X0c045C0Zp8iMPLUrtqntl/NYKfidwjfM3GbjKdx75tc9qOCL51fShWSQQxUlgqF1N0ijdNOt8SUp+io1VgFCUO+Bnb2+cKN9n999SGDjGxzZ7NR1bERzf46WbnoHofqBPqUsLtcKYtUR6LqoHAyIvtLdXzYf7NfoelVla7gFW8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1694509017547529.3992226921945; Tue, 12 Sep 2023 01:56:57 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfzCJ-0008TI-5P; Tue, 12 Sep 2023 04:56:42 -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 1qfzBi-00089f-De for qemu-devel@nongnu.org; Tue, 12 Sep 2023 04:56:05 -0400 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qfzBg-0002BX-8L for qemu-devel@nongnu.org; Tue, 12 Sep 2023 04:56:02 -0400 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-68fb6fd2836so2363579b3a.0 for ; Tue, 12 Sep 2023 01:53:59 -0700 (PDT) Received: from 64217.gitgo.cc ([8.210.91.195]) by smtp.gmail.com with ESMTPSA id m6-20020a637d46000000b00570668ccd5bsm6523754pgn.14.2023.09.12.01.53.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Sep 2023 01:53:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=smartx-com.20230601.gappssmtp.com; s=20230601; t=1694508839; x=1695113639; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=FJWI2RWxSuuHEAQnNUIufNGq1knrJeTQjKy85JEOKag=; b=Y0wAuHOT9T0+nagQBaUXKMVuTplmaZc32HFRKU1xdOOrAlrYZkc2vbbcD156dKKNYW N1ehzaOANtwbd6oL6+3cHKSJ98+zEXldJqY6pb53DM419TTb46uGyjRSEUZOYQTPkAIU EmRRh8pOtbech6t+2KUmGKpZjYnudHlvm6VKdJOg3xJy9zyZpn65TTpKXjObpnmzRScu kxJfx5yq/MR69Fm/VWO+Aqx+taMGRWKUiB/c2MXviWM/yRrw4oAYr7kkvLcRH6YJhlfp jUGSulHoTXsV/gf1c5lilAsraYx9UqRZDlDtl6hmqtgen+FzKpWqBET1W6uEdSF3KVN4 4LDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694508839; x=1695113639; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=FJWI2RWxSuuHEAQnNUIufNGq1knrJeTQjKy85JEOKag=; b=uTQ1HHzC4ytAWChAMc08hqT1KeqIfblYAXNdWcmW1tXWsdh30Hgw9mzUDT/5TD1GV8 u/uAObpABmEI1h8mIGIcb20qAAt18VgbtJS7fCXwS1JRQAnMaB7qzIeTXSHq3nfzYF21 fF4dZwQPv3JuzlZKABmz3Gt/ZanjplIL+KNoFGgBs/O1KEH24yi+N0dXXEVDNhCYxF7o aQ4kteCQvW8ULjMky4PgxvgkJt+vR1kRq9sFRYeOg0d3y8lUbEydHOVVQOvofGpLTa9g Z+YNAETjQEyVHrt5lgMGBRuGyO0SnyYqUypnjkdLLYEgvnqHR3gA6Ymi5IjYv9N8cXou iDqw== X-Gm-Message-State: AOJu0YyZ0LRgO63oteSNkd9UamPaYU+l43MEoSi/xAyAGqrmlv2rb0Vf wPR1fblGAkZaPmrj8fzKC3hveQ== X-Google-Smtp-Source: AGHT+IFPaMspSeZM32zArizHLAVHaKqFe3uDNwuVgI+71gKGChYirsXrxRMYnABJ7+NAd5LH64MW1g== X-Received: by 2002:a05:6a00:1408:b0:68e:3d83:e501 with SMTP id l8-20020a056a00140800b0068e3d83e501mr14065467pfu.13.1694508838902; Tue, 12 Sep 2023 01:53:58 -0700 (PDT) From: Li Feng To: Markus Armbruster , Raphael Norwitz , "Michael S. Tsirkin" , Kevin Wolf , Hanna Reitz , Paolo Bonzini , Fam Zheng , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Viresh Kumar , qemu-block@nongnu.org (open list:Block layer core), qemu-devel@nongnu.org (open list:All patches CC here) Cc: Li Feng Subject: [PATCH v4 4/5] vhost-user-scsi: start vhost when guest kicks Date: Tue, 12 Sep 2023 16:52:46 +0800 Message-ID: <20230912085315.2524857-5-fengli@smartx.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230912085315.2524857-1-fengli@smartx.com> References: <20230721105205.1714449-1-fengli@smartx.com> <20230912085315.2524857-1-fengli@smartx.com> 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: none client-ip=2607:f8b0:4864:20::434; envelope-from=fengli@smartx.com; helo=mail-pf1-x434.google.com X-Spam_score_int: 14 X-Spam_score: 1.4 X-Spam_bar: + X-Spam_report: (1.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=no 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @smartx-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1694509019278100007 Content-Type: text/plain; charset="utf-8" Let's keep the same behavior as vhost-user-blk. Some old guests kick virtqueue before setting VIRTIO_CONFIG_S_DRIVER_OK. Signed-off-by: Li Feng --- hw/scsi/vhost-user-scsi.c | 51 +++++++++++++++++++++++++++++++++++---- 1 file changed, 46 insertions(+), 5 deletions(-) diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c index dc109154ad..0effbb4787 100644 --- a/hw/scsi/vhost-user-scsi.c +++ b/hw/scsi/vhost-user-scsi.c @@ -115,8 +115,48 @@ static void vhost_user_scsi_reset(VirtIODevice *vdev) } } =20 -static void vhost_dummy_handle_output(VirtIODevice *vdev, VirtQueue *vq) +static void vhost_user_scsi_handle_output(VirtIODevice *vdev, VirtQueue *v= q) { + VHostUserSCSI *s =3D (VHostUserSCSI *)vdev; + DeviceState *dev =3D &s->parent_obj.parent_obj.parent_obj.parent_obj; + VHostSCSICommon *vsc =3D VHOST_SCSI_COMMON(s); + VirtIOSCSICommon *vs =3D VIRTIO_SCSI_COMMON(dev); + + Error *local_err =3D NULL; + int i, ret; + + if (!vdev->start_on_kick) { + return; + } + + if (!s->connected) { + return; + } + + if (vhost_dev_is_started(&vsc->dev)) { + return; + } + + /* + * Some guests kick before setting VIRTIO_CONFIG_S_DRIVER_OK so start + * vhost here instead of waiting for .set_status(). + */ + ret =3D vhost_user_scsi_start(s, &local_err); + if (ret < 0) { + error_reportf_err(local_err, "vhost-user-scsi: vhost start failed:= "); + qemu_chr_fe_disconnect(&vs->conf.chardev); + return; + } + + /* Kick right away to begin processing requests already in vring */ + for (i =3D 0; i < vsc->dev.nvqs; i++) { + VirtQueue *kick_vq =3D virtio_get_queue(vdev, i); + + if (!virtio_queue_get_desc_addr(vdev, i)) { + continue; + } + event_notifier_set(virtio_queue_get_host_notifier(kick_vq)); + } } =20 static int vhost_user_scsi_connect(DeviceState *dev, Error **errp) @@ -198,7 +238,8 @@ static void vhost_user_scsi_event(void *opaque, QEMUChr= Event event) case CHR_EVENT_CLOSED: /* defer close until later to avoid circular close */ vhost_user_async_close(dev, &vs->conf.chardev, &vsc->dev, - vhost_user_scsi_disconnect); + vhost_user_scsi_disconnect, + vhost_user_scsi_event); break; case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: @@ -246,9 +287,9 @@ static void vhost_user_scsi_realize(DeviceState *dev, E= rror **errp) return; } =20 - virtio_scsi_common_realize(dev, vhost_dummy_handle_output, - vhost_dummy_handle_output, - vhost_dummy_handle_output, &err); + virtio_scsi_common_realize(dev, vhost_user_scsi_handle_output, + vhost_user_scsi_handle_output, + vhost_user_scsi_handle_output, &err); if (err !=3D NULL) { error_propagate(errp, err); return; --=20 2.41.0