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 457DAC83F1B for ; Wed, 16 Jul 2025 09:51:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EECE310E770; Wed, 16 Jul 2025 09:51:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="LhoxsY8I"; dkim-atps=neutral Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id ED13610E771 for ; Wed, 16 Jul 2025 09:51:33 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id DAF551FD38; Wed, 16 Jul 2025 09:51:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1752659492; 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:autocrypt:autocrypt; bh=a9Hb9YmLdtx759rnzzmkyvyZWEyc5qsEkuXcdpomdaE=; b=LhoxsY8I3Fk2bijSc5wKup70fYZzCcEQ8ot7fCuFL97dOJ2CcDpsqXr4K54v9e7l4KXYM3 MT1rxyc31oDk9Xs+i5g3pGaCgawraWS1pBVBb+SisDaCPgZ8WMZYBDjgBmTlyG6oAHUgZe 8dmXKI2oMw2EY9C92+6q7MJ/qcwYcUuhYzH005scaTeIueezv/IBkDN3gJv+wt0ADLWzSJ WsmDmeAgxzlPYPHav1x09vcjvdE0rBcsWtpd/ttNH4p3wuzw9xAerIZu/rdn7t0CZ3GmXp QfiPYzohDWwfmS0U2yfaJT+BC9lBXkxEapoNAV2QBLN0qauG04Cr/m5fUOXv/g== Message-ID: <56e17beb-368e-497a-b27c-aa502cf0820e@bootlin.com> Date: Wed, 16 Jul 2025 11:51:31 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH i-g-t v3 21/41] lib/igt_device_scan: Allow to find device by sysname To: =?UTF-8?B?Sm9zw6kgRXhww7NzaXRv?= , igt-dev@lists.freedesktop.org Cc: zbigniew.kempczynski@intel.com References: <20250715102513.5636-1-jose.exposito89@gmail.com> <20250715102513.5636-22-jose.exposito89@gmail.com> Content-Language: en-US From: Louis Chauvet 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: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgdehjeeflecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepkfffgggfuffvvehfhfgjtgfgsehtkeertddtvdejnecuhfhrohhmpefnohhuihhsucevhhgruhhvvghtuceolhhouhhishdrtghhrghuvhgvthessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepkeeivedtfeegtdekheethedttddtfefhhfegjeeljeejleduvdfhudegvdekheevnecuffhomhgrihhnpegsohhothhlihhnrdgtohhmnecukfhppedvtddtudemkeeiudemgedugedtmegtkeeitdemheguiedumeeifeefleemieeirgeimegvtdejheenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvtddtudemkeeiudemgedugedtmegtkeeitdemheguiedumeeifeefleemieeirgeimegvtdejhedphhgvlhhopeglkffrggeimedvtddtudemkeeiudemgedugedtmegtkeeitdemheguiedumeeifeefleemieeirgeimegvtdejhegnpdhmrghilhhfrhhomheplhhouhhishdrtghhrghuvhgvthessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepfedprhgtphhtthhopehjohhsvgdrvgigphhoshhithhokeelsehgmhgrihhlrdgtohhmpdhrtghpthhtohepihhgthdqu ggvvheslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrghdprhgtphhtthhopeiisghighhnihgvfidrkhgvmhhptgiihihnshhkihesihhnthgvlhdrtghomh 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 15/07/2025 à 12:24, José Expósito a écrit : > The VKMS driver allows to create multiple devices handled by the same > driver but with a different sysname. > > In order to differentiate between them, allow to find devices by > sysname. > > Signed-off-by: José Expósito Reviewed-by: Louis Chauvet > --- > lib/igt_device_scan.c | 22 ++++++++++++++++++++++ > lib/igt_device_scan.h | 2 ++ > 2 files changed, 24 insertions(+) > > diff --git a/lib/igt_device_scan.c b/lib/igt_device_scan.c > index 0ab7b7a0a..abd8ca209 100644 > --- a/lib/igt_device_scan.c > +++ b/lib/igt_device_scan.c > @@ -231,6 +231,7 @@ struct igt_device { > char *subsystem; > char *syspath; > char *devnode; > + char *sysname; > > /* /dev/dri/... paths */ > char *drm_card; > @@ -680,6 +681,7 @@ static struct igt_device *igt_device_new_from_udev(struct udev_device *dev, > idev->syspath = strdup_nullsafe(udev_device_get_syspath(dev)); > idev->subsystem = strdup_nullsafe(udev_device_get_subsystem(dev)); > idev->devnode = strdup_nullsafe(udev_device_get_devnode(dev)); > + idev->sysname = strdup_nullsafe(udev_device_get_sysname(dev)); > > if (idev->devnode && strstr(idev->devnode, "/dev/dri/card")) > idev->drm_card = strdup(idev->devnode); > @@ -2145,6 +2147,26 @@ bool igt_device_card_match_pci(const char *filter, > return __igt_device_card_match(filter, card, true); > } > > +bool igt_device_find_card_by_sysname(const char *sysname, > + struct igt_device_card *card) > +{ > + struct igt_device *dev; > + > + igt_assert(card); > + igt_assert(sysname); > + > + memset(card, 0, sizeof(*card)); > + > + igt_list_for_each_entry(dev, &igt_devs.all, link) { > + if (strcmp(dev->sysname, sysname) == 0) { > + __copy_dev_to_card(dev, card); > + return true; > + } > + } > + > + return false; > +} > + > /** > * igt_device_card_match_all > * @filter: filter string. > diff --git a/lib/igt_device_scan.h b/lib/igt_device_scan.h > index e6e31e799..f24a193cd 100644 > --- a/lib/igt_device_scan.h > +++ b/lib/igt_device_scan.h > @@ -94,6 +94,8 @@ bool igt_device_find_first_i915_discrete_card(struct igt_device_card *card); > bool igt_device_find_integrated_card(struct igt_device_card *card); > bool igt_device_find_first_xe_discrete_card(struct igt_device_card *card); > bool igt_device_find_xe_integrated_card(struct igt_device_card *card); > +bool igt_device_find_card_by_sysname(const char *sysname, > + struct igt_device_card *card); > char *igt_device_get_pretty_name(struct igt_device_card *card, bool numeric); > int igt_open_card(struct igt_device_card *card); > int igt_open_render(struct igt_device_card *card); -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com