linux-kernel - [PATCH 0/2] Add RESOURCE_GET

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Message-ID: <20231110071632.24612-1-julia.zhang@amd.com>
Date:   Fri, 10 Nov 2023 15:16:30 +0800
From:   Julia Zhang <julia.zhang@....com>
To:     Gurchetan Singh <gurchetansingh@...omium.org>,
        Chia-I Wu <olvaffe@...il.com>,
        David Airlie <airlied@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <amd-gfx@...ts.freedesktop.org>,
        <virtualization@...ts.linux-foundation.org>
CC:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Erik Faye-Lund <kusmabite@...il.com>,
        Marek Olšák <marek.olsak@....com>,
        Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>,
        Honglei Huang <honglei1.huang@....com>,
        Chen Jiqian <Jiqian.Chen@....com>,
        Huang Rui <ray.huang@....com>,
        Julia Zhang <julia.zhang@....com>
Subject: [PATCH 0/2] Add RESOURCE_GET_LAYOUT ioctl

This is to add a new ioctl RESOURCE_GET_LAYOUT to virtio-gpu to get the
information about how the host has actually allocated the buffer. It is
implemented to query the stride of linear buffer for dGPU prime on guest VM,
related mesa mr: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23896

Daniel Stone (1):
  drm/virtio: Implement RESOURCE_GET_LAYOUT ioctl

Julia Zhang (1):
  drm/virtio: Modify RESOURCE_GET_LAYOUT ioctl

 drivers/gpu/drm/virtio/virtgpu_drv.c   |  1 +
 drivers/gpu/drm/virtio/virtgpu_drv.h   | 22 ++++++++-
 drivers/gpu/drm/virtio/virtgpu_ioctl.c | 66 ++++++++++++++++++++++++++
 drivers/gpu/drm/virtio/virtgpu_kms.c   |  8 +++-
 drivers/gpu/drm/virtio/virtgpu_vq.c    | 63 ++++++++++++++++++++++++
 include/uapi/drm/virtgpu_drm.h         | 21 ++++++++
 include/uapi/linux/virtio_gpu.h        | 30 ++++++++++++
 7 files changed, 208 insertions(+), 3 deletions(-)

-- 
2.34.1