From nobody Wed Nov 5 16:36:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1535360044244460.4701050858671; Mon, 27 Aug 2018 01:54:04 -0700 (PDT) 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 289A930820E1; Mon, 27 Aug 2018 08:54:02 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E69445E1A4; Mon, 27 Aug 2018 08:54:01 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 8351D4A46E; Mon, 27 Aug 2018 08:54:01 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w7R8rV2J006725 for ; Mon, 27 Aug 2018 04:53:31 -0400 Received: by smtp.corp.redhat.com (Postfix) id E983310879B; Mon, 27 Aug 2018 08:53:30 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-117-138.ams2.redhat.com [10.36.117.138]) by smtp.corp.redhat.com (Postfix) with ESMTP id C07CDA9E52; Mon, 27 Aug 2018 08:53:27 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 4387393CF2; Mon, 27 Aug 2018 10:53:22 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Mon, 27 Aug 2018 10:53:20 +0200 Message-Id: <20180827085320.9732-13-kraxel@redhat.com> In-Reply-To: <20180827085320.9732-1-kraxel@redhat.com> References: <20180827085320.9732-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: libvir-list@redhat.com Cc: libvir-list@redhat.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Gerd Hoffmann Subject: [libvirt] [PULL 12/12] util: promote qemu_egl_rendernode_open() to libqemuutil X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@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 [10.5.110.47]); Mon, 27 Aug 2018 08:54:02 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 From: Marc-Andr=C3=A9 Lureau vhost-user-gpu will share the same code to open a DRM node. Signed-off-by: Marc-Andr=C3=A9 Lureau Message-Id: <20180713130916.4153-20-marcandre.lureau@redhat.com> [ kraxel: buildfix: util/drm.o must be CONFIG_OPENGL not CONFIG_LINUX ] Signed-off-by: Gerd Hoffmann --- include/qemu/drm.h | 6 +++++ ui/egl-helpers.c | 51 ++--------------------------------------- util/drm.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++= ++++ MAINTAINERS | 1 + util/Makefile.objs | 1 + 5 files changed, 76 insertions(+), 49 deletions(-) create mode 100644 include/qemu/drm.h create mode 100644 util/drm.c diff --git a/include/qemu/drm.h b/include/qemu/drm.h new file mode 100644 index 0000000000..4c3e622f5c --- /dev/null +++ b/include/qemu/drm.h @@ -0,0 +1,6 @@ +#ifndef QEMU_DRM_H_ +#define QEMU_DRM_H_ + +int qemu_drm_rendernode_open(const char *rendernode); + +#endif diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index 71b6a97bd1..4f475142fc 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -15,9 +15,7 @@ * License along with this library; if not, see . */ #include "qemu/osdep.h" -#include -#include - +#include "qemu/drm.h" #include "qemu/error-report.h" #include "ui/console.h" #include "ui/egl-helpers.h" @@ -147,57 +145,12 @@ int qemu_egl_rn_fd; struct gbm_device *qemu_egl_rn_gbm_dev; EGLContext qemu_egl_rn_ctx; =20 -static int qemu_egl_rendernode_open(const char *rendernode) -{ - DIR *dir; - struct dirent *e; - int r, fd; - char *p; - - if (rendernode) { - return open(rendernode, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK= ); - } - - dir =3D opendir("/dev/dri"); - if (!dir) { - return -1; - } - - fd =3D -1; - while ((e =3D readdir(dir))) { - if (e->d_type !=3D DT_CHR) { - continue; - } - - if (strncmp(e->d_name, "renderD", 7)) { - continue; - } - - p =3D g_strdup_printf("/dev/dri/%s", e->d_name); - - r =3D open(p, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK); - if (r < 0) { - g_free(p); - continue; - } - fd =3D r; - g_free(p); - break; - } - - closedir(dir); - if (fd < 0) { - return -1; - } - return fd; -} - int egl_rendernode_init(const char *rendernode, DisplayGLMode mode) { qemu_egl_rn_fd =3D -1; int rc; =20 - qemu_egl_rn_fd =3D qemu_egl_rendernode_open(rendernode); + qemu_egl_rn_fd =3D qemu_drm_rendernode_open(rendernode); if (qemu_egl_rn_fd =3D=3D -1) { error_report("egl: no drm render node available"); goto err; diff --git a/util/drm.c b/util/drm.c new file mode 100644 index 0000000000..a23ff24538 --- /dev/null +++ b/util/drm.c @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2015-2016 Gerd Hoffmann + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ +#include "qemu/osdep.h" +#include "qemu/drm.h" + +#include +#include + +int qemu_drm_rendernode_open(const char *rendernode) +{ + DIR *dir; + struct dirent *e; + int r, fd; + char *p; + + if (rendernode) { + return open(rendernode, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK= ); + } + + dir =3D opendir("/dev/dri"); + if (!dir) { + return -1; + } + + fd =3D -1; + while ((e =3D readdir(dir))) { + if (e->d_type !=3D DT_CHR) { + continue; + } + + if (strncmp(e->d_name, "renderD", 7)) { + continue; + } + + p =3D g_strdup_printf("/dev/dri/%s", e->d_name); + + r =3D open(p, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK); + if (r < 0) { + g_free(p); + continue; + } + fd =3D r; + g_free(p); + break; + } + + closedir(dir); + if (fd < 0) { + return -1; + } + return fd; +} diff --git a/MAINTAINERS b/MAINTAINERS index 6902a568f4..282d6a8ae5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1566,6 +1566,7 @@ S: Odd Fixes F: ui/ F: include/ui/ F: qapi/ui.json +F: util/drm.c =20 Cocoa graphics M: Peter Maydell diff --git a/util/Makefile.objs b/util/Makefile.objs index e1c3fed4dc..4726d262d8 100644 --- a/util/Makefile.objs +++ b/util/Makefile.objs @@ -49,3 +49,4 @@ util-obj-y +=3D stats64.o util-obj-y +=3D systemd.o util-obj-y +=3D iova-tree.o util-obj-$(CONFIG_LINUX) +=3D vfio-helpers.o +util-obj-$(CONFIG_OPENGL) +=3D drm.o --=20 2.9.3 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list