From patchwork Mon Nov 21 15:29:18 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Foss X-Patchwork-Id: 9439591 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C19DF60235 for ; Mon, 21 Nov 2016 15:30:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C2648288F6 for ; Mon, 21 Nov 2016 15:30:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B514D28AFA; Mon, 21 Nov 2016 15:30:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4F81428ADC for ; Mon, 21 Nov 2016 15:30:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ACB836E510; Mon, 21 Nov 2016 15:30:57 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3F37D6E515 for ; Mon, 21 Nov 2016 15:30:38 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: robertfoss) with ESMTPSA id C53DF267855 From: robert.foss@collabora.com To: intel-gfx@lists.freedesktop.org, Gustavo Padovan , Daniel Stone , Daniel Vetter , Marius Vlad , Eric Engestrom , Chris Wilson , Tomeu Vizoso Date: Mon, 21 Nov 2016 10:29:18 -0500 Message-Id: <20161121152922.5595-18-robert.foss@collabora.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161121152922.5595-1-robert.foss@collabora.com> References: <20161121152922.5595-1-robert.foss@collabora.com> Subject: [Intel-gfx] [PATCH i-g-t v8 17/21] lib/sw_sync: Add igt_require_sw_sync to enable skipping on no sw_sync support X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Robert Foss Add igt_require_sw_sync to provide tests to skip if sw_sync support isn't available on the host machine. Signed-off-by: Robert Foss --- lib/sw_sync.c | 22 ++++++++++++++++++++++ lib/sw_sync.h | 1 + 2 files changed, 23 insertions(+) diff --git a/lib/sw_sync.c b/lib/sw_sync.c index 862f8c4..38fe670 100644 --- a/lib/sw_sync.c +++ b/lib/sw_sync.c @@ -197,3 +197,25 @@ int sync_fence_count_status(int fd, int status) igt_assert(count >= 0); return count; } + +static bool kernel_has_sw_sync(void) +{ + bool err; + + igt_ignore_warn(system("/sbin/modprobe -s r sw_sync")); + + err = false; + if (access(DEVFS_SW_SYNC, R_OK | W_OK) < 0) { + char buf[128]; + + snprintf(buf, sizeof(buf), "%s/sw_sync", igt_debugfs_mount()); + err = access(DEBUGFS_SW_SYNC, R_OK | W_OK) < 0; + } + + return !err; +} + +void igt_require_sw_sync(void) +{ + igt_require(kernel_has_sw_sync()); +} diff --git a/lib/sw_sync.h b/lib/sw_sync.h index 1f47b29..0bbe73c 100644 --- a/lib/sw_sync.h +++ b/lib/sw_sync.h @@ -43,6 +43,7 @@ int sync_merge(int fd1, int fd2); int sync_wait(int fence, int timeout); int sync_fence_count(int fd); int sync_fence_count_status(int fd, int status); +void igt_require_sw_sync(void); #endif