From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7694D382F20 for ; Wed, 22 Apr 2026 16:49:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776876552; cv=none; b=VpFeYKXyJAm5gzM4B65/vruimnZ6QlAWWYUpkLItygKIAo8Yn1DaX8u7YkzZ7izCDWYEaNdAtK6TSo9TP4oyMVbaUUCwiq3zmtTX3GTewYedpgV4mcywhPeK0GwN8qGV7BYn7m6uMv7sybAsIAFdxBZcXPGItMULptMgV1FONN0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776876552; c=relaxed/simple; bh=M4IKg4jtN2coKi4h2W5OHuSx8L+kOjlkuI6yHVh2tSk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Dr0m9oGJ0w9MqKYh8hUn4Klcv0BKDMADzkmBEXQC0LJvc2CiRt9gAtzqyDZ/G4zA0C6W+LHWhEKD12X0Qj8FtYFKKCudRro21ux7UVAG82+1+otq0TyRcpNPEY40NOyeeHLj6Q/kTDVzQ1F/cDiQMMfPFQ0AOhe4pJW9kgy/3dk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=HcDVAzTH; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="HcDVAzTH" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 2072CC59952; Wed, 22 Apr 2026 16:49:51 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 3EBFE5FA8F; Wed, 22 Apr 2026 16:49:10 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id CE2F310460BF3; Wed, 22 Apr 2026 18:49:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1776876549; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=OZ8EM81DGMlJ9qEgvUE9Mt5KnFr4O4RtbirwspUTjRM=; b=HcDVAzTHVCirt6CQPqvVisMsLuiOiNG9IUbiBRETLuOVj8WUqocJRx1lyWQbRSi9wAQF8d bszoxzq8RBSAGFtIwmj/f7dBd5XGTeoK01YRpA5XQKjna2jsThDFyAfHF3w7zSjkgfZzOm pag0n5lYdrG2tgfjncUEkL5XUIe8rZsq5Ey+FDxYlO905hZyTgeZqDq4piwnVfK4w7SEnt O5UxtifKtDf2i8/Oux94IqTEl21Wkfr5yqRB0/47ZTVE17eFd2lVLLWYvXVYwOgv0tK/8O EEHzSqAjWmWwMCQ2IpDAk6nfg5BO7hiAkRdor7docN5tA32iDQcn8pqcqAc77Q== From: Louis Chauvet Date: Wed, 22 Apr 2026 18:48:04 +0200 Subject: [PATCH v4 07/37] Documentation: ABI: vkms: Add current VKMS ABI documentation Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260422-vkms-all-config-v4-7-dbb52e9aadc3@bootlin.com> References: <20260422-vkms-all-config-v4-0-dbb52e9aadc3@bootlin.com> In-Reply-To: <20260422-vkms-all-config-v4-0-dbb52e9aadc3@bootlin.com> To: Haneen Mohammed , Simona Vetter , Melissa Wen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , jose.exposito89@gmail.com, Jonathan Corbet , Shuah Khan , Miguel Ojeda , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: victoria@system76.com, sebastian.wick@redhat.com, victoria@system76.com, airlied@gmail.com, thomas.petazzoni@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Louis Chauvet , llvm@lists.linux.dev X-Mailer: b4 0.16-dev X-Last-TLS-Session-Version: TLSv1.3 VKMS recently introduced a ConfigFS API to configure new devices. Add proper ABI documentation. Signed-off-by: Louis Chauvet --- Documentation/ABI/testing/configfs-vkms | 118 ++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) diff --git a/Documentation/ABI/testing/configfs-vkms b/Documentation/ABI/testing/configfs-vkms new file mode 100644 index 000000000000..a1a3e186e50a --- /dev/null +++ b/Documentation/ABI/testing/configfs-vkms @@ -0,0 +1,118 @@ +What: /sys/kernel/config/vkms/ +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains sub-groups corresponding to created + VKMS devices. + +What: /sys/kernel/config/vkms/ +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains sub-groups corresponding to the VKMS + device . + +What: /sys/kernel/config/vkms//connectors +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains sub-groups corresponding to the + connectors of the VKMS device . + +What: /sys/kernel/config/vkms//connectors/ +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains attributes corresponding to the + connector of the VKMS device . + +What: /sys/kernel/config/vkms//connectors//status +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + Connection status of the connector. Possible values: + 1 - connected, 2 - disconnected, 3 - unknown. + +What: /sys/kernel/config/vkms//connectors//possible_encoders +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains symbolic links to possible encoders + for this connector. + +What: /sys/kernel/config/vkms//crtcs +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains sub-groups corresponding to the + CRTCs of the VKMS device . + +What: /sys/kernel/config/vkms//crtcs/ +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains attributes corresponding to the + CRTC of the VKMS device . + +What: /sys/kernel/config/vkms//crtcs//writeback +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + Enable or disable writeback connector support for this + CRTC. Value: 1 - enabled, 0 - disabled. + +What: /sys/kernel/config/vkms//encoders +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains sub-groups corresponding to the + encoders of the VKMS device . + +What: /sys/kernel/config/vkms//encoders/ +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains attributes corresponding to the + encoder of the VKMS device . + +What: /sys/kernel/config/vkms//encoders//possible_crtcs +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains symbolic links to possible CRTCs + for this encoder. + +What: /sys/kernel/config/vkms//planes +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains sub-groups corresponding to the + planes of the VKMS device . + +What: /sys/kernel/config/vkms//planes/ +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains attributes corresponding to the + plane of the VKMS device . + +What: /sys/kernel/config/vkms//planes//type +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + Plane type. Possible values: 0 - overlay, 1 - primary, + 2 - cursor. + +What: /sys/kernel/config/vkms//planes//possible_crtcs +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + This group contains symbolic links to possible CRTCs + for this plane. + +What: /sys/kernel/config/vkms//enabled +Date: Nov 2025 +Contact: dri-devel@lists.freedesktop.org +Description: + Enable or disable the VKMS device. Value: 1 - enabled, + 0 - disabled. -- 2.54.0