From patchwork Tue Aug 25 16:49:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud POULIQUEN X-Patchwork-Id: 11735983 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7521D138A for ; Tue, 25 Aug 2020 16:53:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 571F320782 for ; Tue, 25 Aug 2020 16:53:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="dqywmQwn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726119AbgHYQxH (ORCPT ); Tue, 25 Aug 2020 12:53:07 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:11320 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726225AbgHYQwW (ORCPT ); Tue, 25 Aug 2020 12:52:22 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 07PGlScp007570; Tue, 25 Aug 2020 18:52:16 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=kMfl9Sr0LMliL5b6+fSDTyEPWpdoi90a8Uixu9L/D/s=; b=dqywmQwnEVN8HISkx0BMcvRXW8eEi4Vwi3C7ILXASH0UOvUSWMNHA3D6HEBzMCh58V3u urAs3rNDVQt2eUGjmHUDq0ead2s8NGyaCHd5tHj8GpQxMSkBghgmaapMxna8dV9iz/eI fxITQ5pcUmlifLnVaIpSO6elxDqbkeUGU1enmNM5/rTqi1xe60MEm+uFD7H+kQGp8rTm lLa2ngUvlJyXUWll8hEXTVSvyubEcoBrwHdLQQoWsWY424hZ9N+PoVIgpw/RLmb3S3Pj jfA/NaOt2O/xIDvkgwFM4YttqyUUq1pfZrufDXkPOvCJujKubOt1Q2dTya55agEKaWzb Iw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 333b2mm0jq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 Aug 2020 18:52:16 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3C7DB10002A; Tue, 25 Aug 2020 18:52:16 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node1.st.com [10.75.127.7]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 31D5E2AE6AA; Tue, 25 Aug 2020 18:52:16 +0200 (CEST) Received: from localhost (10.75.127.45) by SFHDAG3NODE1.st.com (10.75.127.7) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 25 Aug 2020 18:52:15 +0200 From: Arnaud Pouliquen To: Bjorn Andersson , Ohad Ben-Cohen , Mathieu Poirier CC: , , , Subject: [PATCH v2 3/8] rpmsg: virtio: add rpmsg channel device ops Date: Tue, 25 Aug 2020 18:49:02 +0200 Message-ID: <20200825164907.3642-4-arnaud.pouliquen@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200825164907.3642-1-arnaud.pouliquen@st.com> References: <20200825164907.3642-1-arnaud.pouliquen@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG6NODE2.st.com (10.75.127.17) To SFHDAG3NODE1.st.com (10.75.127.7) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-25_06:2020-08-25,2020-08-25 signatures=0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Implement the create and release of the RPMsg channel for the RPMsg virtio bus. Signed-off-by: Arnaud Pouliquen --- drivers/rpmsg/virtio_rpmsg_bus.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index 736bc7b9dea8..910d30818901 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -176,6 +176,12 @@ static int virtio_rpmsg_trysendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst); static int virtio_rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst, void *data, int len); +static struct rpmsg_device * + virtio_rpmsg_create_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo); +static int virtio_rpmsg_release_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo); + static const struct rpmsg_endpoint_ops virtio_endpoint_ops = { .destroy_ept = virtio_rpmsg_destroy_ept, @@ -372,6 +378,8 @@ static int virtio_rpmsg_announce_destroy(struct rpmsg_device *rpdev) } static const struct rpmsg_device_ops virtio_rpmsg_ops = { + .create_channel = virtio_rpmsg_create_channel, + .release_channel = virtio_rpmsg_release_channel, .create_ept = virtio_rpmsg_create_ept, .announce_create = virtio_rpmsg_announce_create, .announce_destroy = virtio_rpmsg_announce_destroy, @@ -439,6 +447,25 @@ __rpmsg_create_channel(struct virtproc_info *vrp, return rpdev; } +static struct rpmsg_device * + virtio_rpmsg_create_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo) +{ + struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev); + struct virtproc_info *vrp = vch->vrp; + + return __rpmsg_create_channel(vrp, chinfo); +} + +static int virtio_rpmsg_release_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo) +{ + struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev); + struct virtproc_info *vrp = vch->vrp; + + return rpmsg_unregister_device(&vrp->vdev->dev, chinfo); +} + /* super simple buffer "allocator" that is just enough for now */ static void *get_a_tx_buf(struct virtproc_info *vrp) {