From: Gurchetan Singh <gurchetansingh@chromium.org> To: dri-devel@lists.freedesktop.org, virtio-dev@lists.oasis-open.org Cc: sebastien.boeuf@intel.com, kraxel@redhat.com, vgoyal@redhat.com, mst@redhat.com Subject: [PATCH 23/24] drm/virtio: implement blob resources: resource create blob ioctl Date: Thu, 13 Aug 2020 19:39:59 -0700 [thread overview] Message-ID: <20200814024000.2485-24-gurchetansingh@chromium.org> (raw) In-Reply-To: <20200814024000.2485-1-gurchetansingh@chromium.org> From: Gerd Hoffmann <kraxel@redhat.com> Implement resource create blob as specified. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Co-developed-by: Gurchetan Singh <gurchetansingh@chromium.org> Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org> Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/gpu/drm/virtio/virtgpu_drv.h | 4 +- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 136 ++++++++++++++++++++++++ drivers/gpu/drm/virtio/virtgpu_object.c | 5 +- drivers/gpu/drm/virtio/virtgpu_vram.c | 2 + 4 files changed, 144 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 444b65c8d4ee..3e9ec5b1fb63 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -255,8 +255,8 @@ struct virtio_gpu_fpriv { struct mutex context_lock; }; -/* virtgpu_ioctl.c */ -#define DRM_VIRTIO_NUM_IOCTLS 10 +/* virtio_ioctl.c */ +#define DRM_VIRTIO_NUM_IOCTLS 11 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS]; void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file); diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 7dbe24248a20..47ac32b7031a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -34,6 +34,10 @@ #include "virtgpu_drv.h" +#define VIRTGPU_BLOB_FLAG_USE_MASK (VIRTGPU_BLOB_FLAG_USE_MAPPABLE | \ + VIRTGPU_BLOB_FLAG_USE_SHAREABLE | \ + VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) + void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file) { struct virtio_gpu_device *vgdev = dev->dev_private; @@ -520,6 +524,134 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, return 0; } +static int verify_blob(struct virtio_gpu_device *vgdev, + struct virtio_gpu_fpriv *vfpriv, + struct virtio_gpu_object_params *params, + struct drm_virtgpu_resource_create_blob *rc_blob, + bool *guest_blob, bool *host3d_blob) +{ + if (!vgdev->has_resource_blob) + return -EINVAL; + + if ((rc_blob->blob_flags & ~VIRTGPU_BLOB_FLAG_USE_MASK) || + !rc_blob->blob_flags) + return -EINVAL; + + if (rc_blob->blob_flags & VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) { + if (!vgdev->has_resource_assign_uuid) + return -EINVAL; + } + + switch (rc_blob->blob_mem) { + case VIRTGPU_BLOB_MEM_GUEST: + *guest_blob = true; + break; + case VIRTGPU_BLOB_MEM_HOST3D_GUEST: + *guest_blob = true; + fallthrough; + case VIRTGPU_BLOB_MEM_HOST3D: + *host3d_blob = true; + break; + default: + return -EINVAL; + } + + if (*host3d_blob) { + if (!vgdev->has_virgl_3d) + return -EINVAL; + + /* Must be dword aligned. */ + if ((rc_blob->cmd_size) % 4 != 0) + return -EINVAL; + + params->ctx_id = vfpriv->ctx_id; + params->blob_id = rc_blob->blob_id; + } else { + if (rc_blob->blob_id != 0) + return -EINVAL; + + if (rc_blob->cmd_size != 0) + return -EINVAL; + } + + params->blob_mem = rc_blob->blob_mem; + params->size = rc_blob->size; + params->blob = true; + params->blob_flags = rc_blob->blob_flags; + return 0; +} + +static int virtio_gpu_resource_create_blob(struct drm_device *dev, + void *data, struct drm_file *file) +{ + int ret = 0; + uint32_t handle = 0; + struct drm_gem_object *obj; + struct virtio_gpu_object *bo; + bool host3d_blob, guest_blob; + struct virtio_gpu_object_params params = { 0 }; + struct virtio_gpu_device *vgdev = dev->dev_private; + struct virtio_gpu_fpriv *vfpriv = file->driver_priv; + struct drm_virtgpu_resource_create_blob *rc_blob = data; + + guest_blob = host3d_blob = false; + if (verify_blob(vgdev, vfpriv, ¶ms, rc_blob, + &guest_blob, &host3d_blob)) + return -EINVAL; + + if (vgdev->has_virgl_3d) + virtio_gpu_create_context(dev, file); + + if (rc_blob->cmd_size) { + void *buf; + + buf = memdup_user(u64_to_user_ptr(rc_blob->cmd), + rc_blob->cmd_size); + + if (IS_ERR(buf)) + return PTR_ERR(buf); + + virtio_gpu_cmd_submit(vgdev, buf, rc_blob->cmd_size, + vfpriv->ctx_id, NULL, NULL); + } + + if (guest_blob) + ret = virtio_gpu_object_create(vgdev, ¶ms, &bo, NULL); + else if (!guest_blob && host3d_blob) + ret = virtio_gpu_vram_create(vgdev, ¶ms, &bo); + else + return -EINVAL; + + if (ret < 0) + return ret; + + bo->guest_blob = guest_blob; + bo->host3d_blob = host3d_blob; + bo->blob_mem = rc_blob->blob_mem; + bo->blob_flags = rc_blob->blob_flags; + + obj = &bo->base.base; + if (params.blob_flags & VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) { + ret = virtio_gpu_resource_assign_uuid(vgdev, bo); + if (ret) { + drm_gem_object_release(obj); + return ret; + } + } + + ret = drm_gem_handle_create(file, obj, &handle); + if (ret) { + drm_gem_object_release(obj); + return ret; + } + drm_gem_object_put(obj); + + rc_blob->res_handle = bo->hw_res_handle; + rc_blob->bo_handle = handle; + + return 0; +} + struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = { DRM_IOCTL_DEF_DRV(VIRTGPU_MAP, virtio_gpu_map_ioctl, DRM_RENDER_ALLOW), @@ -552,4 +684,8 @@ struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = { DRM_IOCTL_DEF_DRV(VIRTGPU_GET_CAPS, virtio_gpu_get_caps_ioctl, DRM_RENDER_ALLOW), + + DRM_IOCTL_DEF_DRV(VIRTGPU_RESOURCE_CREATE_BLOB, + virtio_gpu_resource_create_blob, + DRM_RENDER_ALLOW), }; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index 432b9985ef2e..43f383946a7d 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -244,7 +244,10 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, return ret; } - if (params->virgl) { + if (params->blob) { + virtio_gpu_cmd_resource_create_blob(vgdev, bo, params, + ents, nents); + } else if (params->virgl) { virtio_gpu_cmd_resource_create_3d(vgdev, bo, params, objs, fence); virtio_gpu_object_attach(vgdev, bo, ents, nents); diff --git a/drivers/gpu/drm/virtio/virtgpu_vram.c b/drivers/gpu/drm/virtio/virtgpu_vram.c index 3e7e29e56781..d8ea11bd07fe 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vram.c +++ b/drivers/gpu/drm/virtio/virtgpu_vram.c @@ -149,6 +149,8 @@ int virtio_gpu_vram_create(struct virtio_gpu_device *vgdev, return ret; } + virtio_gpu_cmd_resource_create_blob(vgdev, &vram->base, params, NULL, + 0); if (params->blob_flags & VIRTGPU_BLOB_FLAG_USE_MAPPABLE) { ret = virtio_gpu_vram_map(&vram->base); if (ret) { -- 2.24.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Gurchetan Singh <gurchetansingh@chromium.org> To: dri-devel@lists.freedesktop.org, virtio-dev@lists.oasis-open.org Cc: kraxel@redhat.com, mst@redhat.com, vgoyal@redhat.com, sebastien.boeuf@intel.com Subject: [virtio-dev] [PATCH 23/24] drm/virtio: implement blob resources: resource create blob ioctl Date: Thu, 13 Aug 2020 19:39:59 -0700 [thread overview] Message-ID: <20200814024000.2485-24-gurchetansingh@chromium.org> (raw) In-Reply-To: <20200814024000.2485-1-gurchetansingh@chromium.org> From: Gerd Hoffmann <kraxel@redhat.com> Implement resource create blob as specified. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Co-developed-by: Gurchetan Singh <gurchetansingh@chromium.org> Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org> Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> --- drivers/gpu/drm/virtio/virtgpu_drv.h | 4 +- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 136 ++++++++++++++++++++++++ drivers/gpu/drm/virtio/virtgpu_object.c | 5 +- drivers/gpu/drm/virtio/virtgpu_vram.c | 2 + 4 files changed, 144 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 444b65c8d4ee..3e9ec5b1fb63 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -255,8 +255,8 @@ struct virtio_gpu_fpriv { struct mutex context_lock; }; -/* virtgpu_ioctl.c */ -#define DRM_VIRTIO_NUM_IOCTLS 10 +/* virtio_ioctl.c */ +#define DRM_VIRTIO_NUM_IOCTLS 11 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS]; void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file); diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 7dbe24248a20..47ac32b7031a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -34,6 +34,10 @@ #include "virtgpu_drv.h" +#define VIRTGPU_BLOB_FLAG_USE_MASK (VIRTGPU_BLOB_FLAG_USE_MAPPABLE | \ + VIRTGPU_BLOB_FLAG_USE_SHAREABLE | \ + VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) + void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file) { struct virtio_gpu_device *vgdev = dev->dev_private; @@ -520,6 +524,134 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, return 0; } +static int verify_blob(struct virtio_gpu_device *vgdev, + struct virtio_gpu_fpriv *vfpriv, + struct virtio_gpu_object_params *params, + struct drm_virtgpu_resource_create_blob *rc_blob, + bool *guest_blob, bool *host3d_blob) +{ + if (!vgdev->has_resource_blob) + return -EINVAL; + + if ((rc_blob->blob_flags & ~VIRTGPU_BLOB_FLAG_USE_MASK) || + !rc_blob->blob_flags) + return -EINVAL; + + if (rc_blob->blob_flags & VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) { + if (!vgdev->has_resource_assign_uuid) + return -EINVAL; + } + + switch (rc_blob->blob_mem) { + case VIRTGPU_BLOB_MEM_GUEST: + *guest_blob = true; + break; + case VIRTGPU_BLOB_MEM_HOST3D_GUEST: + *guest_blob = true; + fallthrough; + case VIRTGPU_BLOB_MEM_HOST3D: + *host3d_blob = true; + break; + default: + return -EINVAL; + } + + if (*host3d_blob) { + if (!vgdev->has_virgl_3d) + return -EINVAL; + + /* Must be dword aligned. */ + if ((rc_blob->cmd_size) % 4 != 0) + return -EINVAL; + + params->ctx_id = vfpriv->ctx_id; + params->blob_id = rc_blob->blob_id; + } else { + if (rc_blob->blob_id != 0) + return -EINVAL; + + if (rc_blob->cmd_size != 0) + return -EINVAL; + } + + params->blob_mem = rc_blob->blob_mem; + params->size = rc_blob->size; + params->blob = true; + params->blob_flags = rc_blob->blob_flags; + return 0; +} + +static int virtio_gpu_resource_create_blob(struct drm_device *dev, + void *data, struct drm_file *file) +{ + int ret = 0; + uint32_t handle = 0; + struct drm_gem_object *obj; + struct virtio_gpu_object *bo; + bool host3d_blob, guest_blob; + struct virtio_gpu_object_params params = { 0 }; + struct virtio_gpu_device *vgdev = dev->dev_private; + struct virtio_gpu_fpriv *vfpriv = file->driver_priv; + struct drm_virtgpu_resource_create_blob *rc_blob = data; + + guest_blob = host3d_blob = false; + if (verify_blob(vgdev, vfpriv, ¶ms, rc_blob, + &guest_blob, &host3d_blob)) + return -EINVAL; + + if (vgdev->has_virgl_3d) + virtio_gpu_create_context(dev, file); + + if (rc_blob->cmd_size) { + void *buf; + + buf = memdup_user(u64_to_user_ptr(rc_blob->cmd), + rc_blob->cmd_size); + + if (IS_ERR(buf)) + return PTR_ERR(buf); + + virtio_gpu_cmd_submit(vgdev, buf, rc_blob->cmd_size, + vfpriv->ctx_id, NULL, NULL); + } + + if (guest_blob) + ret = virtio_gpu_object_create(vgdev, ¶ms, &bo, NULL); + else if (!guest_blob && host3d_blob) + ret = virtio_gpu_vram_create(vgdev, ¶ms, &bo); + else + return -EINVAL; + + if (ret < 0) + return ret; + + bo->guest_blob = guest_blob; + bo->host3d_blob = host3d_blob; + bo->blob_mem = rc_blob->blob_mem; + bo->blob_flags = rc_blob->blob_flags; + + obj = &bo->base.base; + if (params.blob_flags & VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) { + ret = virtio_gpu_resource_assign_uuid(vgdev, bo); + if (ret) { + drm_gem_object_release(obj); + return ret; + } + } + + ret = drm_gem_handle_create(file, obj, &handle); + if (ret) { + drm_gem_object_release(obj); + return ret; + } + drm_gem_object_put(obj); + + rc_blob->res_handle = bo->hw_res_handle; + rc_blob->bo_handle = handle; + + return 0; +} + struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = { DRM_IOCTL_DEF_DRV(VIRTGPU_MAP, virtio_gpu_map_ioctl, DRM_RENDER_ALLOW), @@ -552,4 +684,8 @@ struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = { DRM_IOCTL_DEF_DRV(VIRTGPU_GET_CAPS, virtio_gpu_get_caps_ioctl, DRM_RENDER_ALLOW), + + DRM_IOCTL_DEF_DRV(VIRTGPU_RESOURCE_CREATE_BLOB, + virtio_gpu_resource_create_blob, + DRM_RENDER_ALLOW), }; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index 432b9985ef2e..43f383946a7d 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -244,7 +244,10 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, return ret; } - if (params->virgl) { + if (params->blob) { + virtio_gpu_cmd_resource_create_blob(vgdev, bo, params, + ents, nents); + } else if (params->virgl) { virtio_gpu_cmd_resource_create_3d(vgdev, bo, params, objs, fence); virtio_gpu_object_attach(vgdev, bo, ents, nents); diff --git a/drivers/gpu/drm/virtio/virtgpu_vram.c b/drivers/gpu/drm/virtio/virtgpu_vram.c index 3e7e29e56781..d8ea11bd07fe 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vram.c +++ b/drivers/gpu/drm/virtio/virtgpu_vram.c @@ -149,6 +149,8 @@ int virtio_gpu_vram_create(struct virtio_gpu_device *vgdev, return ret; } + virtio_gpu_cmd_resource_create_blob(vgdev, &vram->base, params, NULL, + 0); if (params->blob_flags & VIRTGPU_BLOB_FLAG_USE_MAPPABLE) { ret = virtio_gpu_vram_map(&vram->base); if (ret) { -- 2.24.1 --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org
next prev parent reply other threads:[~2020-08-14 2:40 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-14 2:39 [PATCH 00/24] Blob prerequisites + blob resources Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 01/24] drm/virtio: Revert "drm/virtio: Call the right shmem helpers" Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 02/24] virtio: add dma-buf support for exported objects Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 03/24] virtio-gpu: add VIRTIO_GPU_F_RESOURCE_UUID feature Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 04/24] drm/virtio: Support virtgpu exported resources Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 05/24] virtio: Add get_shm_region method Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 06/24] virtio: Implement get_shm_region for PCI transport Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 07/24] virtio: Implement get_shm_region for MMIO transport Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 08/24] drm/virtio: blob prep: refactor getting pages and attaching backing Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 09/24] drm/virtio: blob prep: make CPU responses more generic Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 10/24] virtio-gpu api: blob resources Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 11/24] virtio-gpu api: host visible feature Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 12/24] virtio-gpu api: cross-device feature Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 13/24] drm/virtio: implement blob resources: probe for the feature Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 14/24] drm/virtio: implement blob resources: probe for host visible region Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-16 13:10 ` kernel test robot 2020-08-16 13:10 ` kernel test robot 2020-08-14 2:39 ` [PATCH 15/24] drm/virtio: implement blob resources: expose virtio_gpu_resource_id_get Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 16/24] drm/virtio: implement blob resources: add new fields to internal structs Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 17/24] drm/virtio: implement blob resources: implement vram object Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 5:39 ` kernel test robot 2020-08-14 5:39 ` kernel test robot 2020-08-14 2:39 ` [PATCH 18/24] drm/virtio: implement blob resources: hypercall interface Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 6:12 ` kernel test robot 2020-08-14 6:12 ` kernel test robot 2020-08-14 2:39 ` [PATCH 19/24] drm/virtio: implement blob resources: blob display integration Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 20/24] drm/virtio: implement blob resources: refactor UUID code somewhat Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 21/24] drm/virtio: implement blob resources: fix stride discrepancy Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` [PATCH 22/24] drm/virtio: implement blob resources: report blob mem to userspace Gurchetan Singh 2020-08-14 2:39 ` [virtio-dev] " Gurchetan Singh 2020-08-14 2:39 ` Gurchetan Singh [this message] 2020-08-14 2:39 ` [virtio-dev] [PATCH 23/24] drm/virtio: implement blob resources: resource create blob ioctl Gurchetan Singh 2020-08-17 17:46 ` Anthoine Bourgeois 2020-08-14 2:40 ` [PATCH 24/24] drm/virtio: advertise features to userspace Gurchetan Singh 2020-08-14 2:40 ` [virtio-dev] " Gurchetan Singh
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