From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cornelia Huck Subject: Re: [PATCH V11 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Date: Thu, 7 Nov 2019 16:34:48 +0100 Message-ID: <20191107163448.4d20b75b.cohuck@redhat.com> References: <20191107151109.23261-1-jasowang@redhat.com> <20191107151109.23261-7-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20191107151109.23261-7-jasowang@redhat.com> Sender: netdev-owner@vger.kernel.org To: Jason Wang Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com, alex.williamson@redhat.com, mst@redhat.com, tiwei.bie@intel.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, maxime.coquelin@redhat.com, cunming.liang@intel.com, zhihong.wang@intel.com, rob.miller@broadcom.com, xiao.w.wang@intel.com, haotian.wang@sifive.com, zhenyuw@linux.intel.com, zhi.a.wang@intel.com, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch, farman@linux.ibm.com, pasic@linux.ibm.com, sebott@linux.ibm.com, oberpar@linux.ibm.com, heiko.carstens@de.ibm.com, gor@linux.ibm.c List-Id: intel-gfx@lists.freedesktop.org On Thu, 7 Nov 2019 23:11:09 +0800 Jason Wang wrote: > This sample driver creates mdev device that simulate virtio net device > over virtio mdev transport. The device is implemented through vringh > and workqueue. A device specific dma ops is to make sure HVA is used > directly as the IOVA. This should be sufficient for kernel virtio > driver to work. >=20 > Only 'virtio' type is supported right now. I plan to add 'vhost' type > on top which requires some virtual IOMMU implemented in this sample > driver. >=20 > Signed-off-by: Jason Wang > --- > MAINTAINERS | 1 + > samples/Kconfig | 10 + > samples/vfio-mdev/Makefile | 1 + > samples/vfio-mdev/mvnet_loopback.c | 687 +++++++++++++++++++++++++++++ > 4 files changed, 699 insertions(+) > create mode 100644 samples/vfio-mdev/mvnet_loopback.c Acked-by: Cornelia Huck 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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 211FAC43331 for ; Thu, 7 Nov 2019 15:35:12 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 0135C214D8 for ; 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Thu, 7 Nov 2019 15:35:00 +0000 (UTC) Received: from gondolin (ovpn-117-222.ams2.redhat.com [10.36.117.222]) by smtp.corp.redhat.com (Postfix) with ESMTP id CCE1260BEC; Thu, 7 Nov 2019 15:34:51 +0000 (UTC) Date: Thu, 7 Nov 2019 16:34:48 +0100 From: Cornelia Huck To: Jason Wang Message-ID: <20191107163448.4d20b75b.cohuck@redhat.com> In-Reply-To: <20191107151109.23261-7-jasowang@redhat.com> References: <20191107151109.23261-1-jasowang@redhat.com> <20191107151109.23261-7-jasowang@redhat.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: TZdOIwyWM0aw-ZFtUujj9Q-1 X-Mimecast-Spam-Score: 0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573140909; 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=BzEyez2H23edMWUzeroDzzDUe6EbJTfa2zTwff9g92s=; b=iytoKoHykz8YhCd5O48nU5ObA9o3jLo8P15TM0U2VcVQPg/x6e7Hr5Qa3j4gO0uSqttAOY OgwLfTp0x5ODyLzDUyK9cBN58lQJI3x2Gl4CSaSsetY0I49gmlFVL4x9U2Ft2tcqirL7Kp vnva7uDFSHOsVxHnhV4DEiFhMMeqIfo= Subject: Re: [Intel-gfx] [PATCH V11 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: christophe.de.dinechin@gmail.com, kvm@vger.kernel.org, mst@redhat.com, airlied@linux.ie, heiko.carstens@de.ibm.com, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, kwankhede@nvidia.com, rob.miller@broadcom.com, linux-s390@vger.kernel.org, sebott@linux.ibm.com, lulu@redhat.com, eperezma@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, haotian.wang@sifive.com, cunming.liang@intel.com, farman@linux.ibm.com, parav@mellanox.com, gor@linux.ibm.com, intel-gfx@lists.freedesktop.org, xiao.w.wang@intel.com, freude@linux.ibm.com, stefanha@redhat.com, zhihong.wang@intel.com, intel-gvt-dev@lists.freedesktop.org, akrowiak@linux.ibm.com, oberpar@linux.ibm.com, tiwei.bie@intel.com, netdev@vger.kernel.org, rdunlap@infradead.org, linux-kernel@vger.kernel.org, maxime.coquelin@redhat.com, lingshan.zhu@intel.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Message-ID: <20191107153448.x7NYZp_ym8jThpx1-89ZV6wV76MVf_Wu4-5GtWNpcYI@z> T24gVGh1LCAgNyBOb3YgMjAxOSAyMzoxMTowOSArMDgwMApKYXNvbiBXYW5nIDxqYXNvd2FuZ0By ZWRoYXQuY29tPiB3cm90ZToKCj4gVGhpcyBzYW1wbGUgZHJpdmVyIGNyZWF0ZXMgbWRldiBkZXZp Y2UgdGhhdCBzaW11bGF0ZSB2aXJ0aW8gbmV0IGRldmljZQo+IG92ZXIgdmlydGlvIG1kZXYgdHJh bnNwb3J0LiBUaGUgZGV2aWNlIGlzIGltcGxlbWVudGVkIHRocm91Z2ggdnJpbmdoCj4gYW5kIHdv cmtxdWV1ZS4gQSBkZXZpY2Ugc3BlY2lmaWMgZG1hIG9wcyBpcyB0byBtYWtlIHN1cmUgSFZBIGlz IHVzZWQKPiBkaXJlY3RseSBhcyB0aGUgSU9WQS4gVGhpcyBzaG91bGQgYmUgc3VmZmljaWVudCBm b3Iga2VybmVsIHZpcnRpbwo+IGRyaXZlciB0byB3b3JrLgo+IAo+IE9ubHkgJ3ZpcnRpbycgdHlw ZSBpcyBzdXBwb3J0ZWQgcmlnaHQgbm93LiBJIHBsYW4gdG8gYWRkICd2aG9zdCcgdHlwZQo+IG9u IHRvcCB3aGljaCByZXF1aXJlcyBzb21lIHZpcnR1YWwgSU9NTVUgaW1wbGVtZW50ZWQgaW4gdGhp cyBzYW1wbGUKPiBkcml2ZXIuCj4gCj4gU2lnbmVkLW9mZi1ieTogSmFzb24gV2FuZyA8amFzb3dh bmdAcmVkaGF0LmNvbT4KPiAtLS0KPiAgTUFJTlRBSU5FUlMgICAgICAgICAgICAgICAgICAgICAg ICB8ICAgMSArCj4gIHNhbXBsZXMvS2NvbmZpZyAgICAgICAgICAgICAgICAgICAgfCAgMTAgKwo+ ICBzYW1wbGVzL3ZmaW8tbWRldi9NYWtlZmlsZSAgICAgICAgIHwgICAxICsKPiAgc2FtcGxlcy92 ZmlvLW1kZXYvbXZuZXRfbG9vcGJhY2suYyB8IDY4NyArKysrKysrKysrKysrKysrKysrKysrKysr KysrKwo+ICA0IGZpbGVzIGNoYW5nZWQsIDY5OSBpbnNlcnRpb25zKCspCj4gIGNyZWF0ZSBtb2Rl IDEwMDY0NCBzYW1wbGVzL3ZmaW8tbWRldi9tdm5ldF9sb29wYmFjay5jCgpBY2tlZC1ieTogQ29y bmVsaWEgSHVjayA8Y29odWNrQHJlZGhhdC5jb20+CgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZng=