From nobody Wed Nov 27 02:23:32 2024 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; dmarc=pass(p=none dis=none) header.from=oracle.com ARC-Seal: i=1; a=rsa-sha256; t=1701975065; cv=none; d=zohomail.com; s=zohoarc; b=emY+8fJI5tuJeovlbLCnZmoXYF9eZPExXNq3sMgEvnaPPL5V8C6gSoAh/G++ru6HCsaVOXwVrEhuaXPtzIa9OeetVG9a9lBtwHV2xKWruFbSKTlIwNWDqU4H3zTMJGLKj3bbexEZw+tU+PEbDHD0Imc90QrcrVyqIkHtzfnT8/w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1701975065; h=Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=TrIoq3vUpKqQshngqQYAQZZona36DrqAj6vqchuF/wo=; b=gUdjf/b7bTGQ4GIsc7vaboQPRThwR5DlY0sIbPhBhfhvlki5kU0RNgYqGAyJkmEBupE4n/RAJD04F06UoicxQKbd2sEwlWT+cZe1Tm6XTxyEc3BipZnEzbwT5tmtXikbAdt/V5gPj12VNCdfh3x6I4YWCB8az9Ff2VdG7tpglxU= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1701975065705899.328944947739; Thu, 7 Dec 2023 10:51:05 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rBJSA-0003X9-Th; Thu, 07 Dec 2023 13:50:31 -0500 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 1rBJRy-0003TS-Vb for qemu-devel@nongnu.org; Thu, 07 Dec 2023 13:50:19 -0500 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rBJRx-0006Lr-Cu for qemu-devel@nongnu.org; Thu, 07 Dec 2023 13:50:18 -0500 Received: from pps.filterd (m0246632.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B7FDI5Y009711; Thu, 7 Dec 2023 18:50:14 GMT Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3utdrvmpev-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Dec 2023 18:50:14 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 3B7IUvxb039487; Thu, 7 Dec 2023 18:50:13 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3utan7vh5k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Dec 2023 18:50:13 +0000 Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3B7Io9xu008067; Thu, 7 Dec 2023 18:50:12 GMT Received: from ban25x6uut24.us.oracle.com (ban25x6uut24.us.oracle.com [10.153.73.24]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3utan7vh2k-3; Thu, 07 Dec 2023 18:50:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2023-11-20; bh=TrIoq3vUpKqQshngqQYAQZZona36DrqAj6vqchuF/wo=; b=KL3i9z0Dolluz6H13ajkTJhmcAgaEmtrjZFMPQzJzaxyzaOtvFTZEF4oV30RBXq2bvMo I+wbYkbNaDj4KmWLxX5iu5eTf1AdwPyJ3q3FC31JJlCb0rm3+Y0YUg/96TgixKHo/0Hi 6HMP4H4+TRBCR1j0CrnkVMcQkUxj7TEv4Jn9BZ8luT83B4VXTTMuugynaDYsuleSnaAg lCGGxmq4VfeA9oICx9hKUlyShQqtEDOiSxRNSQjlEQW0zJj6LleQN/3xOqCvgJbFfJ/X lenWTV2Sa0Anp3EQTBeRAb8fdlaQCITHo1LD/6f/EbXDB6SA2HdGABqknmVLMAg0+nJe 5Q== From: Si-Wei Liu To: eperezma@redhat.com, jasowang@redhat.com, mst@redhat.com, dtatulea@nvidia.com, leiyang@redhat.com, yin31149@gmail.com, boris.ostrovsky@oracle.com, jonah.palmer@oracle.com Cc: qemu-devel@nongnu.org Subject: [PATCH 02/40] vdpa: add vhost_vdpa_get_vring_desc_group Date: Thu, 7 Dec 2023 09:39:15 -0800 Message-Id: <1701970793-6865-3-git-send-email-si-wei.liu@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1701970793-6865-1-git-send-email-si-wei.liu@oracle.com> References: <1701970793-6865-1-git-send-email-si-wei.liu@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-07_15,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 malwarescore=0 suspectscore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312070156 X-Proofpoint-GUID: bmLNHMZTQo4Ac7POoz9aONmEpHuNHn7K X-Proofpoint-ORIG-GUID: bmLNHMZTQo4Ac7POoz9aONmEpHuNHn7K 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=205.220.177.32; envelope-from=si-wei.liu@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @oracle.com) X-ZM-MESSAGEID: 1701975066008100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Internal API to get the descriptor group index for a specific virtqueue through the VHOST_VDPA_GET_VRING_DESC_GROUP ioctl. Signed-off-by: Si-Wei Liu Acked-by: Jason Wang --- net/vhost-vdpa.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 90f4128..887c329 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -471,6 +471,25 @@ static int64_t vhost_vdpa_get_vring_group(int device_f= d, unsigned vq_index, return state.num; } =20 +static int64_t vhost_vdpa_get_vring_desc_group(int device_fd, + unsigned vq_index, + Error **errp) +{ + struct vhost_vring_state state =3D { + .index =3D vq_index, + }; + int r =3D ioctl(device_fd, VHOST_VDPA_GET_VRING_DESC_GROUP, &state); + + if (unlikely(r < 0)) { + r =3D -errno; + error_setg_errno(errp, errno, "Cannot get VQ %u descriptor group", + vq_index); + return r; + } + + return state.num; +} + static int vhost_vdpa_set_address_space_id(struct vhost_vdpa *v, unsigned vq_group, unsigned asid_num) --=20 1.8.3.1