From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 03D0827FD54 for ; Thu, 24 Apr 2025 16:05:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745510702; cv=none; b=pF7H73fRNzBOO4glP7xgNDN2FE72sXmqoPE3EneEnt6gLsLldGQgUI4M9BcFT+B1NLPcyHRurqDiSI3RlpOZTTlLWclQGqii2ZGRB5H5lG+ulxf6sSIgOaIJhYmzmCPjOGP3HsRFQZib1XWCTTQ5WNTqFtagLotEgsMGiwfptTk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745510702; c=relaxed/simple; bh=4frO21QcxsLI0trc+FOr8X9D+IvqGW3BO/OVZ5Uoot0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ntxU4XfNwFcs9XQUpVbUKUf+MsrTUXbIE+iKy3Et2bQeV0u2CST4SFMyrNCY+p/cuKZHafUxfhITGgETzLUP7s1E48/fjduRDBlsTG+hL17zncPk9irq2utq7wcvcEr55drGO8hPb5UZdBAD0ncjeT25gAwKyhG8lDS5q2wg0Tk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ChxVGb5H; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ChxVGb5H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00D69C4CEEC; Thu, 24 Apr 2025 16:04:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745510701; bh=4frO21QcxsLI0trc+FOr8X9D+IvqGW3BO/OVZ5Uoot0=; h=From:To:Cc:Subject:Date:From; b=ChxVGb5HqsdlHr1HbgNFZIcgsvMFGiNz3hr9aJPkbet73apBb7iKmlLpxFVuKZ7ZJ RQXWGFUuUNlwFYSDvK9yl5yPQdO05a8RM34yi/csJu351gLLePsa1os+yRDnr2mvAR 7er1T3HkVIh9vi+/iAyZgisY3bPq15/byNCcYPxWzJk+ITeykNIcGtmUcerbCYKSYj Ubs/FK8qHGGV+1PdugTmrEYyJLXHTBkoylAtzT6tl0WAkUygB+ZkJP2FR1OxyEWidz 8ktOyWWY272TEbaY2cVCXbpf5++1GcR3e9P+GBkf3XVEMf9zVZ6L/S0MoEtSVqwS+5 9oIxMkrsHTsew== From: Danilo Krummrich To: airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, ajanulgu@redhat.com, lyude@redhat.com, pstanner@redhat.com, zhiw@nvidia.com, cjia@nvidia.com, jhubbard@nvidia.com, bskeggs@nvidia.com, acurrid@nvidia.com, joelagnelf@nvidia.com, ttabi@nvidia.com, acourbot@nvidia.com Cc: ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, benno.lossin@proton.me, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, rust-for-linux@vger.kernel.org, Danilo Krummrich Subject: [PATCH v2 0/2] Nova DRM skeleton driver Date: Thu, 24 Apr 2025 18:02:48 +0200 Message-ID: <20250424160452.8070-1-dakr@kernel.org> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch series adds the nova-drm skeleton driver. nova-drm is connected to nova-core through the auxiliary bus and implements the DRM parts of the nova driver stack. For now, it implements the fundamental DRM abstractions, i.e. creates a DRM device and registers it, exposing a three sample IOCTLs. DRM_IOCTL_NOVA_GETPARAM - provides the PCI bar size from the bar that maps the GPUs VRAM from nova-core DRM_IOCTL_NOVA_GEM_CREATE - creates a new dummy DRM GEM object and returns a handle DRM_IOCTL_NOVA_GEM_INFO - provides metadata for the DRM GEM object behinda given handle I implemented a small userspace test suite [1] that utilizes this interface. The patches from this series are also available in [2]. [1] https://gitlab.freedesktop.org/dakr/drm-test [2] https://gitlab.freedesktop.org/drm/nova/-/tree/staging/nova-drm Changes in v2: - Implement abstractions for the corresponding ::kernel::uapi:: types. Danilo Krummrich (2): gpu: nova-core: register auxiliary device for nova-drm drm: nova-drm: add initial driver skeleton MAINTAINERS | 12 ++++ drivers/gpu/drm/Kconfig | 2 + drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/nova/Kconfig | 14 ++++ drivers/gpu/drm/nova/Makefile | 3 + drivers/gpu/drm/nova/driver.rs | 69 ++++++++++++++++++++ drivers/gpu/drm/nova/file.rs | 74 +++++++++++++++++++++ drivers/gpu/drm/nova/gem.rs | 49 ++++++++++++++ drivers/gpu/drm/nova/nova.rs | 18 +++++ drivers/gpu/drm/nova/uapi.rs | 61 +++++++++++++++++ drivers/gpu/nova-core/Kconfig | 1 + drivers/gpu/nova-core/driver.rs | 9 ++- drivers/gpu/nova-core/nova_core.rs | 2 + include/uapi/drm/nova_drm.h | 101 +++++++++++++++++++++++++++++ rust/uapi/uapi_helper.h | 1 + 15 files changed, 416 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/nova/Kconfig create mode 100644 drivers/gpu/drm/nova/Makefile create mode 100644 drivers/gpu/drm/nova/driver.rs create mode 100644 drivers/gpu/drm/nova/file.rs create mode 100644 drivers/gpu/drm/nova/gem.rs create mode 100644 drivers/gpu/drm/nova/nova.rs create mode 100644 drivers/gpu/drm/nova/uapi.rs create mode 100644 include/uapi/drm/nova_drm.h base-commit: b5cb47f81a2857d270cabbbb3a9feec0e483caed -- 2.49.0