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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 77B21C19F2E for ; Thu, 27 Feb 2025 13:12:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 31D8410E369; Thu, 27 Feb 2025 13:12:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="WXlWe+EC"; dkim-atps=neutral Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD3DF10E369 for ; Thu, 27 Feb 2025 13:12:43 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id 6BC8B443E4; Thu, 27 Feb 2025 13:12:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1740661962; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=uly+GoeCSTRa02HhTWPBZ6qaYbl7/Yr5d4J7vV8QV+I=; b=WXlWe+EC4v6x03vfayV5gDIyXdpP2C8nSrwry6Jc2y/zpNuUIIZkCclTyMKQLqgBDH/gA/ yGwvWnloFdrUE8CR4EdgyLh2LbodZ8Ho7QTvcLvo1+AnfjQpBqEfKZftEBQeB3L4tAmvHr zsg61DQQIJW9s3zS3KsZoNPvkWOVXyMtVh7R7AZOudBV5y+HDq6Fex1+ytMirtd3w8HoMa JcdU+kI3li9yL3KJNIk5Y95EEimRgwGiCqcuIKus7GJWgaU1UL1wWzHaSHcYcuxCuxkv4A mQigWmer5ZRwQPJBTlaPnc1IiI2oadMGlZVEdgagHfGJXHg1CJ0yFNbd4K8AHg== Message-ID: Date: Thu, 27 Feb 2025 14:12:42 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Louis Chauvet Subject: Re: [PATCH i-g-t 16/39] lib/vkms: Test plane connector invalid values To: =?UTF-8?B?Sm9zw6kgRXhww7NzaXRv?= , igt-dev@lists.freedesktop.org References: <20250218165011.9123-1-jose.exposito89@gmail.com> <20250218165011.9123-17-jose.exposito89@gmail.com> Content-Language: en-US Autocrypt: addr=louis.chauvet@bootlin.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdekjeehhecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepkfffgggfhffuvfhfjggtgfesthekredttddvjeenucfhrhhomhepnfhouhhishcuvehhrghuvhgvthcuoehlohhuihhsrdgthhgruhhvvghtsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeghffhiefgueekleetieehjeefffeiudfgtdehteekvdetjeetvdfhffetteevueenucffohhmrghinhepsghoohhtlhhinhdrtghomhenucfkphepledtrdekledrudeifedruddvjeenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepihhnvghtpeeltddrkeelrdduieefrdduvdejpdhhvghloheplgduledvrdduieekrddtrddvtdgnpdhmrghilhhfrhhomheplhhouhhishdrtghhrghuvhgvthessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepvddprhgtphhtthhopehjohhsvgdrvgigphhoshhithhokeelsehgmhgrihhlrdgtohhmpdhrtghpthhtohepihhgthdquggvvheslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrgh X-GND-Sasl: louis.chauvet@bootlin.com X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Le 18/02/2025 à 17:49, José Expósito a écrit : > For a VKMS connector, it is only possible to set invalid values in the > connector status. > > Test that setting wrong values fails and that the connector is not > accidentally changed. > > Signed-off-by: José Expósito > --- > lib/igt_vkms.c | 26 +++++++++++++++++++ > lib/igt_vkms.h | 2 ++ > tests/vkms/vkms_configfs.c | 52 ++++++++++++++++++++++++++++++++++++++ > 3 files changed, 80 insertions(+) > > diff --git a/lib/igt_vkms.c b/lib/igt_vkms.c > index 6780d36da..f5e193a1c 100644 > --- a/lib/igt_vkms.c > +++ b/lib/igt_vkms.c > @@ -459,3 +459,29 @@ int igt_vkms_connector_get_status(igt_vkms_t *dev, const char *name) > > return read_int(path); > } > + > +/** > + * igt_vkms_connector_set_status: > + * @dev: Device the connector belongs to > + * @name: Connector name > + * @type: DRM_MODE_CONNECTED, DRM_MODE_DISCONNECTED or > + * DRM_MODE_UNKNOWNCONNECTION > + * > + * Set a new status for the connector > + */ > +void igt_vkms_connector_set_status(igt_vkms_t *dev, const char *name, > + int status) > +{ > + char path[PATH_MAX]; > + > + if (status != DRM_MODE_CONNECTED && > + status != DRM_MODE_DISCONNECTED && > + status != DRM_MODE_UNKNOWNCONNECTION) > + igt_assert(!"Cannot be reached: Unknown connector status"); > + > + snprintf(path, sizeof(path), "%s/%s/%s/%s", dev->path, > + get_pipeline_item_dir_name(VKMS_PIPELINE_ITEM_CONNECTOR), name, > + VKMS_FILE_CONNECTOR_STATUS); > + > + write_int(path, status); > +} > diff --git a/lib/igt_vkms.h b/lib/igt_vkms.h > index d0a148242..50f42aa4b 100644 > --- a/lib/igt_vkms.h > +++ b/lib/igt_vkms.h > @@ -42,5 +42,7 @@ void igt_vkms_device_add_encoder(igt_vkms_t *dev, const char *name); > > void igt_vkms_device_add_connector(igt_vkms_t *dev, const char *name); > int igt_vkms_connector_get_status(igt_vkms_t *dev, const char *name); > +void igt_vkms_connector_set_status(igt_vkms_t *dev, const char *name, > + int status); > > #endif /* __IGT_VKMS_H__ */ > diff --git a/tests/vkms/vkms_configfs.c b/tests/vkms/vkms_configfs.c > index b8c97e20d..ea84d9f82 100644 > --- a/tests/vkms/vkms_configfs.c > +++ b/tests/vkms/vkms_configfs.c > @@ -425,6 +425,57 @@ static void test_connector_default_values(void) > igt_vkms_device_destroy(dev); > } > > +/** > + * SUBTEST: connector-wrong-values > + * Description: Check that setting unexpected values doesn't work. > + */ > + > +static void test_connector_wrong_values(void) > +{ > + struct invalid_value invalid_status_values[] = { > + { "", 0 }, > + { "\0", 1 }, > + { "-1", 2 }, > + { "0", 1 }, > + { "4", 1 }, > + { "connected", 10 }, > + }; > + igt_vkms_t *dev; > + char path[PATH_MAX]; > + int fd; > + int ret; > + > + /* Create a device with a disconnected connector */ > + dev = igt_vkms_device_create(__func__); > + igt_assert(dev); > + > + igt_vkms_device_add_connector(dev, "connector0"); > + igt_vkms_connector_set_status(dev, "connector0", DRM_MODE_DISCONNECTED); > + igt_assert_eq(igt_vkms_connector_get_status(dev, "connector0"), > + DRM_MODE_DISCONNECTED); Can you also test the allowed values? Maybe in another test. Same for plane type. > + > + snprintf(path, sizeof(path), "%s/connectors/connector0/status", > + dev->path); > + > + /* Test invalid values for "status" */ > + for (int i = 0; i < ARRAY_SIZE(invalid_status_values); i++) { > + struct invalid_value v = invalid_status_values[i]; > + > + fd = open(path, O_WRONLY); > + igt_assert_f(fd >= 0, "Error opening '%s'\n", path); > + > + ret = write(fd, v.value, v.size); > + igt_assert(ret <= 0); > + > + close(fd); > + } > + > + igt_assert_eq(igt_vkms_connector_get_status(dev, "connector0"), > + DRM_MODE_DISCONNECTED); > + > + igt_vkms_device_destroy(dev); > +} > + > igt_main > { > struct { > @@ -443,6 +494,7 @@ igt_main > { "encoder-default-files", test_encoder_default_files }, > { "connector-default-files", test_connector_default_files }, > { "connector-default-values", test_connector_default_values }, > + { "connector-wrong-values", test_connector_wrong_values }, > }; > > igt_fixture { -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com