From nobody Sat Feb 7 15:29:35 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1FE3A32BF43 for ; Wed, 28 Jan 2026 12:46:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769604363; cv=none; b=Eo9zXhWiwH9hPoWhEUOwRi48KFo9LtL2u59yUA7s35T0rWf8Y+r+KDUVV8z8smnlzdkUGPvi7FnwWFoACyFykrzST4q8aLRRfyvDD54EE3AnrhS6VOzSSe8rQ726zZYBbK9C3qcDOpfRKZRNd09p7Zz9xONK0yQXz6HQSkhU8Mg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769604363; c=relaxed/simple; bh=rub1jVoIla+gOSyGrYmCCuTdBFAqXc9tj6gyirSe1XQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=PrA++J9VlQB4REpf+L/zhw/EbrtmjxmxkzokLmIZuLmrS8zosHDAI43lSBOwdx6BTQa7v9rofA/p4yaMnu28HIUyj0ajEmClyCK7zO4pVp1J644+4WoGiOv70NWTz1+d0wSC7qVpF4JKBBbsu/BjO8wkiSU9N7OMJNsOBLvqL84= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=hyrdS9pg; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="hyrdS9pg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1769604361; 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=pvdT8XuPcB3wpI0L5PIioOQPTtnMa6o56elsZfgVm+M=; b=hyrdS9pgXGUQ3Zlq3vafC+0QT0lmGOkzMZV0D9ura+bbFZBUHvC7NgViOGKFQ2vwaO4Uk7 8BHZxX9X/C63BumF/X+CSvOYawi3S+j0cAH9SnaPA4kIgFTViH/AwXXIPPyq+rwOnT6s87 vqMH0UVVCKQS8qlpDQ9AAEuymSeuL+Q= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-522-aJhCInkiOHK0YgBr3qsG5A-1; Wed, 28 Jan 2026 07:45:57 -0500 X-MC-Unique: aJhCInkiOHK0YgBr3qsG5A-1 X-Mimecast-MFC-AGG-ID: aJhCInkiOHK0YgBr3qsG5A_1769604356 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BD277194510A; Wed, 28 Jan 2026 12:45:56 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.44.32.239]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5280C30001A2; Wed, 28 Jan 2026 12:45:53 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: "Michael S . Tsirkin" Cc: Jason Wang , Xuan Zhuo , Cindy Lu , Laurent Vivier , Stefano Garzarella , linux-kernel@vger.kernel.org, Maxime Coquelin , Yongji Xie , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , virtualization@lists.linux.dev Subject: [PATCH 6/6] vduse: advertise API V2 support Date: Wed, 28 Jan 2026 13:45:24 +0100 Message-ID: <20260128124524.875271-7-eperezma@redhat.com> In-Reply-To: <20260128124524.875271-1-eperezma@redhat.com> References: <20260128124524.875271-1-eperezma@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Advertise VDUSE API V2 support to userspace. With the necessary infrastructure and feature flags in place, VDUSE devices can now opt-in to the new API and utilize the VDUSE_F_QUEUE_READY feature. Signed-off-by: Eugenio P=C3=A9rez --- drivers/vdpa/vdpa_user/vduse_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vd= use_dev.c index 1d93b540db4d..7b5cae065f8b 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -2224,7 +2224,7 @@ static long vduse_ioctl(struct file *file, unsigned i= nt cmd, switch (cmd) { case VDUSE_GET_API_VERSION: if (control->api_version =3D=3D VDUSE_API_VERSION_NOT_ASKED) - control->api_version =3D VDUSE_API_VERSION_1; + control->api_version =3D VDUSE_API_VERSION_2; ret =3D put_user(control->api_version, (u64 __user *)argp); break; case VDUSE_SET_API_VERSION: { @@ -2235,7 +2235,7 @@ static long vduse_ioctl(struct file *file, unsigned i= nt cmd, break; =20 ret =3D -EINVAL; - if (api_version > VDUSE_API_VERSION_1) + if (api_version > VDUSE_API_VERSION_2) break; =20 ret =3D 0; --=20 2.52.0