From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 974AAC2BBD5 for ; Wed, 16 Dec 2020 06:51:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E5B823371 for ; Wed, 16 Dec 2020 06:51:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726118AbgLPGvb (ORCPT ); Wed, 16 Dec 2020 01:51:31 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:32154 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726066AbgLPGva (ORCPT ); Wed, 16 Dec 2020 01:51:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608101404; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qec1O4Z5wG2P97LtrHHfJdT6ZAPwYeTAYdFi8D5KI2U=; b=iblKrY+N0k/7fmVYg7MGMD92VC6m0K9a1M/MMdrGL/9DdlGONl4CZ1VS0lohXAv6QkOyI+ P8SKMnYzQAfxjATULaxFf7kN7mWJm4NBNbWdUabAViMp4V/IEHIU7Ue5KlxCKMA5DrlaEI dQ0hLrFfmkiqXXsLq7PCHQjyg3gwdqM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-502-PMZrlp1qPJiIOCCbzR0k-A-1; Wed, 16 Dec 2020 01:50:02 -0500 X-MC-Unique: PMZrlp1qPJiIOCCbzR0k-A-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4BDBA107ACE3; Wed, 16 Dec 2020 06:50:01 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-12-210.pek2.redhat.com [10.72.12.210]) by smtp.corp.redhat.com (Postfix) with ESMTP id DCE6A10013C1; Wed, 16 Dec 2020 06:49:56 +0000 (UTC) From: Jason Wang To: mst@redhat.com, jasowang@redhat.com Cc: eperezma@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, lulu@redhat.com, eli@mellanox.com, lingshan.zhu@intel.com, rob.miller@broadcom.com, stefanha@redhat.com, sgarzare@redhat.com Subject: [PATCH 13/21] vhost-vdpa: introduce uAPI to get the number of address spaces Date: Wed, 16 Dec 2020 14:48:10 +0800 Message-Id: <20201216064818.48239-14-jasowang@redhat.com> In-Reply-To: <20201216064818.48239-1-jasowang@redhat.com> References: <20201216064818.48239-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch introduces the uAPI for getting the number of address spaces supported by this vDPA device. Signed-off-by: Jason Wang --- drivers/vhost/vdpa.c | 3 +++ include/uapi/linux/vhost.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 1ba5901b28e7..bff8aa214f78 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -540,6 +540,9 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, r = copy_to_user(argp, &v->vdpa->ngroups, sizeof(v->vdpa->ngroups)); break; + case VHOST_VDPA_GET_AS_NUM: + r = copy_to_user(argp, &v->vdpa->nas, sizeof(v->vdpa->nas)); + break; case VHOST_SET_LOG_BASE: case VHOST_SET_LOG_FD: r = -ENOIOCTLCMD; diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h index 8a4e6e426bbf..8762911a3cb8 100644 --- a/include/uapi/linux/vhost.h +++ b/include/uapi/linux/vhost.h @@ -148,4 +148,6 @@ /* Get the number of virtqueue groups. */ #define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x79, unsigned int) +/* Get the number of address spaces. */ +#define VHOST_VDPA_GET_AS_NUM _IOR(VHOST_VIRTIO, 0x7A, unsigned int) #endif -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2208BC4361B for ; Wed, 16 Dec 2020 06:50:09 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BBEBB23370 for ; Wed, 16 Dec 2020 06:50:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBEBB23370 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 82F2387355; Wed, 16 Dec 2020 06:50:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wPWNFws25oBu; Wed, 16 Dec 2020 06:50:08 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 1EB7D8734B; Wed, 16 Dec 2020 06:50:08 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 15750C0893; Wed, 16 Dec 2020 06:50:08 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6BD1EC013B for ; Wed, 16 Dec 2020 06:50:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 5AC3086746 for ; Wed, 16 Dec 2020 06:50:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id puiOQiek0iLU for ; Wed, 16 Dec 2020 06:50:05 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by whitealder.osuosl.org (Postfix) with ESMTPS id A746A865AB for ; Wed, 16 Dec 2020 06:50:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608101404; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qec1O4Z5wG2P97LtrHHfJdT6ZAPwYeTAYdFi8D5KI2U=; b=iblKrY+N0k/7fmVYg7MGMD92VC6m0K9a1M/MMdrGL/9DdlGONl4CZ1VS0lohXAv6QkOyI+ P8SKMnYzQAfxjATULaxFf7kN7mWJm4NBNbWdUabAViMp4V/IEHIU7Ue5KlxCKMA5DrlaEI dQ0hLrFfmkiqXXsLq7PCHQjyg3gwdqM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-502-PMZrlp1qPJiIOCCbzR0k-A-1; Wed, 16 Dec 2020 01:50:02 -0500 X-MC-Unique: PMZrlp1qPJiIOCCbzR0k-A-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4BDBA107ACE3; Wed, 16 Dec 2020 06:50:01 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-12-210.pek2.redhat.com [10.72.12.210]) by smtp.corp.redhat.com (Postfix) with ESMTP id DCE6A10013C1; Wed, 16 Dec 2020 06:49:56 +0000 (UTC) From: Jason Wang To: mst@redhat.com, jasowang@redhat.com Subject: [PATCH 13/21] vhost-vdpa: introduce uAPI to get the number of address spaces Date: Wed, 16 Dec 2020 14:48:10 +0800 Message-Id: <20201216064818.48239-14-jasowang@redhat.com> In-Reply-To: <20201216064818.48239-1-jasowang@redhat.com> References: <20201216064818.48239-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Cc: kvm@vger.kernel.org, lulu@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, eperezma@redhat.com, stefanha@redhat.com, eli@mellanox.com, lingshan.zhu@intel.com, rob.miller@broadcom.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" This patch introduces the uAPI for getting the number of address spaces supported by this vDPA device. Signed-off-by: Jason Wang --- drivers/vhost/vdpa.c | 3 +++ include/uapi/linux/vhost.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 1ba5901b28e7..bff8aa214f78 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -540,6 +540,9 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep, r = copy_to_user(argp, &v->vdpa->ngroups, sizeof(v->vdpa->ngroups)); break; + case VHOST_VDPA_GET_AS_NUM: + r = copy_to_user(argp, &v->vdpa->nas, sizeof(v->vdpa->nas)); + break; case VHOST_SET_LOG_BASE: case VHOST_SET_LOG_FD: r = -ENOIOCTLCMD; diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h index 8a4e6e426bbf..8762911a3cb8 100644 --- a/include/uapi/linux/vhost.h +++ b/include/uapi/linux/vhost.h @@ -148,4 +148,6 @@ /* Get the number of virtqueue groups. */ #define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x79, unsigned int) +/* Get the number of address spaces. */ +#define VHOST_VDPA_GET_AS_NUM _IOR(VHOST_VIRTIO, 0x7A, unsigned int) #endif -- 2.25.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization