From nobody Mon Feb 9 22:38:38 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1499262072119745.6143839357975; Wed, 5 Jul 2017 06:41:12 -0700 (PDT) Received: from localhost ([::1]:46270 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dSkYG-0008AD-EI for importer@patchew.org; Wed, 05 Jul 2017 09:41:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39065) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dSkUZ-0005Gc-2U for qemu-devel@nongnu.org; Wed, 05 Jul 2017 09:37:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dSkUU-0004Na-GM for qemu-devel@nongnu.org; Wed, 05 Jul 2017 09:37:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43762) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dSkUS-0004M5-Jq; Wed, 05 Jul 2017 09:37:12 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7CA1181229; Wed, 5 Jul 2017 13:37:11 +0000 (UTC) Received: from lemon.redhat.com (ovpn-12-22.pek2.redhat.com [10.72.12.22]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3FA2C5C88A; Wed, 5 Jul 2017 13:37:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 7CA1181229 Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=famz@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 7CA1181229 From: Fam Zheng To: qemu-devel@nongnu.org Date: Wed, 5 Jul 2017 21:36:33 +0800 Message-Id: <20170705133635.11850-5-famz@redhat.com> In-Reply-To: <20170705133635.11850-1-famz@redhat.com> References: <20170705133635.11850-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 05 Jul 2017 13:37:11 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 4/6] block/nvme: Implement .bdrv_dma_map and .bdrv_dma_unmap X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Keith Busch , Stefan Hajnoczi , Paolo Bonzini , Karl Rister Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Forward these two calls to the IOVA manager. Signed-off-by: Fam Zheng --- block/nvme.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/block/nvme.c b/block/nvme.c index eb999a1..7913017 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -1056,6 +1056,20 @@ static void nvme_aio_unplug(BlockDriverState *bs) } } =20 +static void nvme_dma_map(BlockDriverState *bs, void *host, size_t size) +{ + BDRVNVMeState *s =3D bs->opaque; + + nvme_vfio_dma_map(s->vfio, host, size, false, NULL); +} + +static void nvme_dma_unmap(BlockDriverState *bs, void *host) +{ + BDRVNVMeState *s =3D bs->opaque; + + nvme_vfio_dma_unmap(s->vfio, host); +} + static BlockDriver bdrv_nvme =3D { .format_name =3D "nvme", .protocol_name =3D "nvme", @@ -1081,6 +1095,9 @@ static BlockDriver bdrv_nvme =3D { =20 .bdrv_io_plug =3D nvme_aio_plug, .bdrv_io_unplug =3D nvme_aio_unplug, + + .bdrv_dma_map =3D nvme_dma_map, + .bdrv_dma_unmap =3D nvme_dma_unmap, }; =20 static void bdrv_nvme_init(void) --=20 2.9.4