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 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 680A8C433DB for ; Mon, 1 Mar 2021 15:33:28 +0000 (UTC) Received: from smtp2.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 0689064DD2 for ; Mon, 1 Mar 2021 15:33:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0689064DD2 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 smtp2.osuosl.org (Postfix) with ESMTP id BD2C943040; Mon, 1 Mar 2021 15:33:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3Ouxn0S19RPQ; Mon, 1 Mar 2021 15:33:27 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTP id 6A5CA4304D; Mon, 1 Mar 2021 15:33:26 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 456C2C000D; Mon, 1 Mar 2021 15:33:26 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 80E2DC000B for ; Mon, 1 Mar 2021 15:33:24 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 764554F28A for ; Mon, 1 Mar 2021 15:33:24 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=redhat.com Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id b77yCaxSMNOA for ; Mon, 1 Mar 2021 15:33:23 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by smtp4.osuosl.org (Postfix) with ESMTPS id 215E24F22B for ; Mon, 1 Mar 2021 15:33:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614612801; 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=VycDxHHozAmz/oN9S6Q+COAL5WKvN1P0hQASaQTZUyM=; b=hcvk9BxeDthBsHekRwSbT98PsGoZU7GBjAktvtvMxzs3jtKVFL1T6auX83BpFMSrB3k3BX asxh9xpDyMv+Pt6YH+j8+2oPA5MHRgR9CygPYPTcR9cNZLpsoE8vu4bFeTjIpaVCMQ0jR7 2bLxMOdapeswR2FnDAdMk+wfpnV9BxI= Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-59-HBLQOiROMnihu95dpxqlqQ-1; Mon, 01 Mar 2021 10:33:20 -0500 X-MC-Unique: HBLQOiROMnihu95dpxqlqQ-1 Received: by mail-ed1-f69.google.com with SMTP id k8so574190edn.19 for ; Mon, 01 Mar 2021 07:33:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=VycDxHHozAmz/oN9S6Q+COAL5WKvN1P0hQASaQTZUyM=; b=TfwbIp482kgo80MRBzOaafXRRQOZuTdFOgL7BR+eBcilJHMtHJsI/XzNYogpXmJWSj gRh91VBVNjtOn4TXPB2swFDm/ewBdl8BF/3MsU46b6DdqWZT4lcRJEviY0dvRHaCKhVs WO1wjoUf6VuS4oP+VwObHpcRmQvmSrubfZ0l/LDxd9MGgLZKAKmfL5Nv7Q7tVq6g6ET3 LsEcUPLyCKUsEWNMbgBNXuUCytk/OsoLepcKp7QTCJvYDKejN4k3A7SNrLOidkrX/xqW 6TbYvpO93xLs6bC8gbRfh8UsJEhJTSj1Petf5znIl3HypV6IqhlCb69jhuINJdoUdeXa D9hg== X-Gm-Message-State: AOAM533vG6d5ewodAm994jR12L5IR+eKDFXdzBnM78NoqWQOUP9Ppocs ddxugKw/POVkgXON5TuPbEWK2JNSlImN3sm6HuAJGEstRDov5QDlX/wfH4PQRgSFWFs3/GDW2eS to0t2c+hpz38hL77EsGxcNzOQLzcJbEH+LdnkKTkiVQ== X-Received: by 2002:a17:907:3da5:: with SMTP id he37mr16735471ejc.300.1614612798837; Mon, 01 Mar 2021 07:33:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJxvuA2uuZPGE6wZF6LgEHxqlvnFOzgtkmNcH1tdkTEnC0QemOod2QRaCHxR1Jk8clxbToGX/w== X-Received: by 2002:a17:907:3da5:: with SMTP id he37mr16735461ejc.300.1614612798727; Mon, 01 Mar 2021 07:33:18 -0800 (PST) Received: from redhat.com (bzq-79-180-2-31.red.bezeqint.net. [79.180.2.31]) by smtp.gmail.com with ESMTPSA id bx24sm731233ejc.88.2021.03.01.07.33.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Mar 2021 07:33:18 -0800 (PST) Date: Mon, 1 Mar 2021 10:33:14 -0500 From: "Michael S. Tsirkin" To: Jason Wang Subject: Re: [PATCH] vdpa/mlx5: Fix wrong use of bit numbers Message-ID: <20210301103214-mutt-send-email-mst@kernel.org> References: <20210301062817.39331-1-elic@nvidia.com> <959916f2-5fc9-bdb4-31ca-632fe0d98979@redhat.com> MIME-Version: 1.0 In-Reply-To: <959916f2-5fc9-bdb4-31ca-632fe0d98979@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: netdev@vger.kernel.org, Eli Cohen , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org 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="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gTW9uLCBNYXIgMDEsIDIwMjEgYXQgMDM6NTI6NDVQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDIxLzMvMSAyOjI4IOS4i+WNiCwgRWxpIENvaGVuIHdyb3RlOgo+ID4gVklS VElPX0ZfVkVSU0lPTl8xIGlzIGEgYml0IG51bWJlci4gVXNlIEJJVF9VTEwoKSB3aXRoIG1hc2sK PiA+IGNvbmRpdGlvbmFscy4KPiA+IAo+ID4gQWxzbywgaW4gbWx4NV92ZHBhX2lzX2xpdHRsZV9l bmRpYW4oKSB1c2UgQklUX1VMTCBmb3IgY29uc2lzdGVuY3kgd2l0aAo+ID4gdGhlIHJlc3Qgb2Yg dGhlIGNvZGUuCj4gPiAKPiA+IEZpeGVzOiAxYTg2YjM3N2FhMjEgKCJ2ZHBhL21seDU6IEFkZCBW RFBBIGRyaXZlciBmb3Igc3VwcG9ydGVkIG1seDUgZGV2aWNlcyIpCj4gPiBTaWduZWQtb2ZmLWJ5 OiBFbGkgQ29oZW4gPGVsaWNAbnZpZGlhLmNvbT4KPiAKPiAKPiBBY2tlZC1ieTogSmFzb24gV2Fu ZyA8amFzb3dhbmdAcmVkaGF0LmNvbT4KCkFuZCBDQyBzdGFibGUgSSBndWVzcz8KCj4gCj4gPiAt LS0KPiA+ICAgZHJpdmVycy92ZHBhL21seDUvbmV0L21seDVfdm5ldC5jIHwgNCArKy0tCj4gPiAg IDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4gPiAKPiA+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL3ZkcGEvbWx4NS9uZXQvbWx4NV92bmV0LmMgYi9kcml2ZXJz L3ZkcGEvbWx4NS9uZXQvbWx4NV92bmV0LmMKPiA+IGluZGV4IGRjNzAzMTEzMmZmZi4uN2QyMWI4 NTdhOTRhIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy92ZHBhL21seDUvbmV0L21seDVfdm5ldC5j Cj4gPiArKysgYi9kcml2ZXJzL3ZkcGEvbWx4NS9uZXQvbWx4NV92bmV0LmMKPiA+IEBAIC04MjEs NyArODIxLDcgQEAgc3RhdGljIGludCBjcmVhdGVfdmlydHF1ZXVlKHN0cnVjdCBtbHg1X3ZkcGFf bmV0ICpuZGV2LCBzdHJ1Y3QgbWx4NV92ZHBhX3ZpcnRxdWUKPiA+ICAgCU1MWDVfU0VUKHZpcnRp b19xLCB2cV9jdHgsIGV2ZW50X3Fwbl9vcl9tc2l4LCBtdnEtPmZ3cXAubXFwLnFwbik7Cj4gPiAg IAlNTFg1X1NFVCh2aXJ0aW9fcSwgdnFfY3R4LCBxdWV1ZV9zaXplLCBtdnEtPm51bV9lbnQpOwo+ ID4gICAJTUxYNV9TRVQodmlydGlvX3EsIHZxX2N0eCwgdmlydGlvX3ZlcnNpb25fMV8wLAo+ID4g LQkJICEhKG5kZXYtPm12ZGV2LmFjdHVhbF9mZWF0dXJlcyAmIFZJUlRJT19GX1ZFUlNJT05fMSkp Owo+ID4gKwkJICEhKG5kZXYtPm12ZGV2LmFjdHVhbF9mZWF0dXJlcyAmIEJJVF9VTEwoVklSVElP X0ZfVkVSU0lPTl8xKSkpOwo+ID4gICAJTUxYNV9TRVQ2NCh2aXJ0aW9fcSwgdnFfY3R4LCBkZXNj X2FkZHIsIG12cS0+ZGVzY19hZGRyKTsKPiA+ICAgCU1MWDVfU0VUNjQodmlydGlvX3EsIHZxX2N0 eCwgdXNlZF9hZGRyLCBtdnEtPmRldmljZV9hZGRyKTsKPiA+ICAgCU1MWDVfU0VUNjQodmlydGlv X3EsIHZxX2N0eCwgYXZhaWxhYmxlX2FkZHIsIG12cS0+ZHJpdmVyX2FkZHIpOwo+ID4gQEAgLTE1 NzgsNyArMTU3OCw3IEBAIHN0YXRpYyB2b2lkIHRlYXJkb3duX3ZpcnRxdWV1ZXMoc3RydWN0IG1s eDVfdmRwYV9uZXQgKm5kZXYpCj4gPiAgIHN0YXRpYyBpbmxpbmUgYm9vbCBtbHg1X3ZkcGFfaXNf bGl0dGxlX2VuZGlhbihzdHJ1Y3QgbWx4NV92ZHBhX2RldiAqbXZkZXYpCj4gPiAgIHsKPiA+ICAg CXJldHVybiB2aXJ0aW9fbGVnYWN5X2lzX2xpdHRsZV9lbmRpYW4oKSB8fAo+ID4gLQkJKG12ZGV2 LT5hY3R1YWxfZmVhdHVyZXMgJiAoMVVMTCA8PCBWSVJUSU9fRl9WRVJTSU9OXzEpKTsKPiA+ICsJ CShtdmRldi0+YWN0dWFsX2ZlYXR1cmVzICYgQklUX1VMTChWSVJUSU9fRl9WRVJTSU9OXzEpKTsK PiA+ICAgfQo+ID4gICBzdGF0aWMgX192aXJ0aW8xNiBjcHVfdG9fbWx4NXZkcGExNihzdHJ1Y3Qg bWx4NV92ZHBhX2RldiAqbXZkZXYsIHUxNiB2YWwpCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVh bGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZv dW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24= 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=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 EA566C433DB for ; Mon, 1 Mar 2021 15:35:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC30064DDE for ; Mon, 1 Mar 2021 15:35:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237282AbhCAPfD (ORCPT ); Mon, 1 Mar 2021 10:35:03 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:25502 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237267AbhCAPet (ORCPT ); Mon, 1 Mar 2021 10:34:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614612802; 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=VycDxHHozAmz/oN9S6Q+COAL5WKvN1P0hQASaQTZUyM=; b=BrPw44DfkS83bA8qNyan+5Ki9E46o5+WEt3VTFcDbDwqLAS68lPqTqpzE1av+zqKsbffjc 0WcgmJ9F4R/kQAf3sc4UiKZr/9WiZjQLE0BBhcuBEJ1k+vxPLN+sl3YHELeVPMIDC+8c/l aViwbIgltmHDdEDlnOj+pU/YWO2+sPA= Received: from mail-ej1-f69.google.com (mail-ej1-f69.google.com [209.85.218.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-125-5E1LMS4ePjWUOCkeTawbBA-1; Mon, 01 Mar 2021 10:33:20 -0500 X-MC-Unique: 5E1LMS4ePjWUOCkeTawbBA-1 Received: by mail-ej1-f69.google.com with SMTP id e13so1471810ejd.21 for ; Mon, 01 Mar 2021 07:33:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=VycDxHHozAmz/oN9S6Q+COAL5WKvN1P0hQASaQTZUyM=; b=HLMKkCeSLyJLNjgAjEuPswLyTJ5ZNOj+dhigkW6wFn9ZK1cyhgjg/VCu3wM4XX3zRR fl8vdCwZLfDzYOQQfjuJ0leXm309cCf38oZ8GDrS8p/STayaW+Ng3962BXPgahOl2aAR UKQhjIKHsg4cfVsMRvv1ubqhy9i0reUYiLHCBjMDAQtzftDD6DEQcZG+ZHnYFuAu5mXj vFX5jjIhFJMs3+zO9sit0i8ROZtjBB/sPaPZPRr/880ev0hmGHLT5fL5QayXfzvS4bM4 kLMV541+Ap07DCqE+x810FPkW/dr7Auf3MY+g44PT1JAVck0kR8S4ivapwvC5i86q7sv UckA== X-Gm-Message-State: AOAM531oLGaP6ceOYwwQ51TGd+VhJ/CxLG8UjmNv2CMcOYQyJ37aXgDp lCixj62lSTEJg6vhBQiSeAiYsnPle0pVmVzBywWXLBLV1JtPDafB4J9W4EFC9HeJdyXERA/Y6Ne ZuAsjKinUeAsHL3I0Udz6ZyKe X-Received: by 2002:a17:907:3da5:: with SMTP id he37mr16735468ejc.300.1614612798836; Mon, 01 Mar 2021 07:33:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJxvuA2uuZPGE6wZF6LgEHxqlvnFOzgtkmNcH1tdkTEnC0QemOod2QRaCHxR1Jk8clxbToGX/w== X-Received: by 2002:a17:907:3da5:: with SMTP id he37mr16735461ejc.300.1614612798727; Mon, 01 Mar 2021 07:33:18 -0800 (PST) Received: from redhat.com (bzq-79-180-2-31.red.bezeqint.net. [79.180.2.31]) by smtp.gmail.com with ESMTPSA id bx24sm731233ejc.88.2021.03.01.07.33.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Mar 2021 07:33:18 -0800 (PST) Date: Mon, 1 Mar 2021 10:33:14 -0500 From: "Michael S. Tsirkin" To: Jason Wang Cc: Eli Cohen , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: Re: [PATCH] vdpa/mlx5: Fix wrong use of bit numbers Message-ID: <20210301103214-mutt-send-email-mst@kernel.org> References: <20210301062817.39331-1-elic@nvidia.com> <959916f2-5fc9-bdb4-31ca-632fe0d98979@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <959916f2-5fc9-bdb4-31ca-632fe0d98979@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 01, 2021 at 03:52:45PM +0800, Jason Wang wrote: > > On 2021/3/1 2:28 下午, Eli Cohen wrote: > > VIRTIO_F_VERSION_1 is a bit number. Use BIT_ULL() with mask > > conditionals. > > > > Also, in mlx5_vdpa_is_little_endian() use BIT_ULL for consistency with > > the rest of the code. > > > > Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices") > > Signed-off-by: Eli Cohen > > > Acked-by: Jason Wang And CC stable I guess? > > > --- > > drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > index dc7031132fff..7d21b857a94a 100644 > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > > @@ -821,7 +821,7 @@ static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque > > MLX5_SET(virtio_q, vq_ctx, event_qpn_or_msix, mvq->fwqp.mqp.qpn); > > MLX5_SET(virtio_q, vq_ctx, queue_size, mvq->num_ent); > > MLX5_SET(virtio_q, vq_ctx, virtio_version_1_0, > > - !!(ndev->mvdev.actual_features & VIRTIO_F_VERSION_1)); > > + !!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_F_VERSION_1))); > > MLX5_SET64(virtio_q, vq_ctx, desc_addr, mvq->desc_addr); > > MLX5_SET64(virtio_q, vq_ctx, used_addr, mvq->device_addr); > > MLX5_SET64(virtio_q, vq_ctx, available_addr, mvq->driver_addr); > > @@ -1578,7 +1578,7 @@ static void teardown_virtqueues(struct mlx5_vdpa_net *ndev) > > static inline bool mlx5_vdpa_is_little_endian(struct mlx5_vdpa_dev *mvdev) > > { > > return virtio_legacy_is_little_endian() || > > - (mvdev->actual_features & (1ULL << VIRTIO_F_VERSION_1)); > > + (mvdev->actual_features & BIT_ULL(VIRTIO_F_VERSION_1)); > > } > > static __virtio16 cpu_to_mlx5vdpa16(struct mlx5_vdpa_dev *mvdev, u16 val)