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synced 2024-09-06 18:01:05 +00:00
![Mikko Perttunen](/assets/img/avatar_default.png)
Update the tegra_drm.h UAPI header, adding the new proposed UAPI. The old staging UAPI is left in for now, with minor modification to avoid name collisions. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
1061 lines
21 KiB
C
1061 lines
21 KiB
C
/* SPDX-License-Identifier: MIT */
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/* Copyright (c) 2012-2020 NVIDIA Corporation */
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#ifndef _UAPI_TEGRA_DRM_H_
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#define _UAPI_TEGRA_DRM_H_
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#include "drm.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Tegra DRM legacy UAPI. Only enabled with STAGING */
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#define DRM_TEGRA_GEM_CREATE_TILED (1 << 0)
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#define DRM_TEGRA_GEM_CREATE_BOTTOM_UP (1 << 1)
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/**
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* struct drm_tegra_gem_create - parameters for the GEM object creation IOCTL
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*/
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struct drm_tegra_gem_create {
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/**
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* @size:
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*
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* The size, in bytes, of the buffer object to be created.
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*/
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__u64 size;
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/**
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* @flags:
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*
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* A bitmask of flags that influence the creation of GEM objects:
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*
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* DRM_TEGRA_GEM_CREATE_TILED
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* Use the 16x16 tiling format for this buffer.
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*
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* DRM_TEGRA_GEM_CREATE_BOTTOM_UP
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* The buffer has a bottom-up layout.
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*/
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__u32 flags;
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/**
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* @handle:
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*
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* The handle of the created GEM object. Set by the kernel upon
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* successful completion of the IOCTL.
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*/
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__u32 handle;
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};
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/**
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* struct drm_tegra_gem_mmap - parameters for the GEM mmap IOCTL
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*/
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struct drm_tegra_gem_mmap {
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/**
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* @handle:
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*
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* Handle of the GEM object to obtain an mmap offset for.
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*/
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__u32 handle;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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/**
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* @offset:
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*
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* The mmap offset for the given GEM object. Set by the kernel upon
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* successful completion of the IOCTL.
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*/
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__u64 offset;
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};
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/**
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* struct drm_tegra_syncpt_read - parameters for the read syncpoint IOCTL
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*/
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struct drm_tegra_syncpt_read {
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/**
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* @id:
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*
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* ID of the syncpoint to read the current value from.
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*/
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__u32 id;
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/**
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* @value:
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*
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* The current syncpoint value. Set by the kernel upon successful
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* completion of the IOCTL.
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*/
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__u32 value;
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};
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/**
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* struct drm_tegra_syncpt_incr - parameters for the increment syncpoint IOCTL
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*/
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struct drm_tegra_syncpt_incr {
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/**
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* @id:
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*
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* ID of the syncpoint to increment.
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*/
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__u32 id;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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};
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/**
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* struct drm_tegra_syncpt_wait - parameters for the wait syncpoint IOCTL
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*/
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struct drm_tegra_syncpt_wait {
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/**
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* @id:
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*
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* ID of the syncpoint to wait on.
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*/
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__u32 id;
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/**
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* @thresh:
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*
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* Threshold value for which to wait.
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*/
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__u32 thresh;
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/**
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* @timeout:
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*
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* Timeout, in milliseconds, to wait.
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*/
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__u32 timeout;
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/**
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* @value:
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*
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* The new syncpoint value after the wait. Set by the kernel upon
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* successful completion of the IOCTL.
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*/
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__u32 value;
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};
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#define DRM_TEGRA_NO_TIMEOUT (0xffffffff)
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/**
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* struct drm_tegra_open_channel - parameters for the open channel IOCTL
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*/
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struct drm_tegra_open_channel {
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/**
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* @client:
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*
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* The client ID for this channel.
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*/
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__u32 client;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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/**
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* @context:
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*
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* The application context of this channel. Set by the kernel upon
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* successful completion of the IOCTL. This context needs to be passed
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* to the DRM_TEGRA_CHANNEL_CLOSE or the DRM_TEGRA_SUBMIT IOCTLs.
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*/
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__u64 context;
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};
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/**
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* struct drm_tegra_close_channel - parameters for the close channel IOCTL
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*/
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struct drm_tegra_close_channel {
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/**
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* @context:
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*
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* The application context of this channel. This is obtained from the
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* DRM_TEGRA_OPEN_CHANNEL IOCTL.
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*/
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__u64 context;
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};
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/**
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* struct drm_tegra_get_syncpt - parameters for the get syncpoint IOCTL
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*/
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struct drm_tegra_get_syncpt {
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/**
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* @context:
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*
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* The application context identifying the channel for which to obtain
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* the syncpoint ID.
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*/
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__u64 context;
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/**
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* @index:
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*
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* Index of the client syncpoint for which to obtain the ID.
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*/
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__u32 index;
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/**
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* @id:
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*
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* The ID of the given syncpoint. Set by the kernel upon successful
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* completion of the IOCTL.
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*/
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__u32 id;
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};
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/**
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* struct drm_tegra_get_syncpt_base - parameters for the get wait base IOCTL
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*/
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struct drm_tegra_get_syncpt_base {
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/**
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* @context:
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*
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* The application context identifying for which channel to obtain the
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* wait base.
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*/
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__u64 context;
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/**
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* @syncpt:
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*
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* ID of the syncpoint for which to obtain the wait base.
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*/
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__u32 syncpt;
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/**
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* @id:
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*
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* The ID of the wait base corresponding to the client syncpoint. Set
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* by the kernel upon successful completion of the IOCTL.
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*/
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__u32 id;
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};
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/**
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* struct drm_tegra_syncpt - syncpoint increment operation
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*/
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struct drm_tegra_syncpt {
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/**
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* @id:
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*
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* ID of the syncpoint to operate on.
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*/
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__u32 id;
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/**
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* @incrs:
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*
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* Number of increments to perform for the syncpoint.
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*/
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__u32 incrs;
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};
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/**
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* struct drm_tegra_cmdbuf - structure describing a command buffer
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*/
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struct drm_tegra_cmdbuf {
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/**
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* @handle:
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*
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* Handle to a GEM object containing the command buffer.
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*/
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__u32 handle;
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/**
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* @offset:
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*
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* Offset, in bytes, into the GEM object identified by @handle at
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* which the command buffer starts.
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*/
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__u32 offset;
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/**
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* @words:
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*
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* Number of 32-bit words in this command buffer.
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*/
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__u32 words;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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};
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/**
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* struct drm_tegra_reloc - GEM object relocation structure
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*/
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struct drm_tegra_reloc {
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struct {
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/**
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* @cmdbuf.handle:
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*
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* Handle to the GEM object containing the command buffer for
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* which to perform this GEM object relocation.
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*/
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__u32 handle;
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/**
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* @cmdbuf.offset:
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*
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* Offset, in bytes, into the command buffer at which to
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* insert the relocated address.
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*/
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__u32 offset;
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} cmdbuf;
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struct {
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/**
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* @target.handle:
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*
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* Handle to the GEM object to be relocated.
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*/
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__u32 handle;
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/**
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* @target.offset:
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*
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* Offset, in bytes, into the target GEM object at which the
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* relocated data starts.
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*/
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__u32 offset;
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} target;
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/**
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* @shift:
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*
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* The number of bits by which to shift relocated addresses.
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*/
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__u32 shift;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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};
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/**
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* struct drm_tegra_waitchk - wait check structure
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*/
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struct drm_tegra_waitchk {
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/**
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* @handle:
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*
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* Handle to the GEM object containing a command stream on which to
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* perform the wait check.
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*/
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__u32 handle;
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/**
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* @offset:
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*
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* Offset, in bytes, of the location in the command stream to perform
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* the wait check on.
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*/
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__u32 offset;
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/**
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* @syncpt:
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*
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* ID of the syncpoint to wait check.
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*/
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__u32 syncpt;
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/**
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* @thresh:
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*
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* Threshold value for which to check.
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*/
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__u32 thresh;
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};
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/**
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* struct drm_tegra_submit - job submission structure
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*/
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struct drm_tegra_submit {
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/**
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* @context:
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*
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* The application context identifying the channel to use for the
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* execution of this job.
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*/
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__u64 context;
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/**
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* @num_syncpts:
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*
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* The number of syncpoints operated on by this job. This defines the
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* length of the array pointed to by @syncpts.
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*/
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__u32 num_syncpts;
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/**
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* @num_cmdbufs:
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*
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* The number of command buffers to execute as part of this job. This
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* defines the length of the array pointed to by @cmdbufs.
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*/
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__u32 num_cmdbufs;
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/**
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* @num_relocs:
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*
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* The number of relocations to perform before executing this job.
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* This defines the length of the array pointed to by @relocs.
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*/
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__u32 num_relocs;
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/**
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* @num_waitchks:
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*
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* The number of wait checks to perform as part of this job. This
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* defines the length of the array pointed to by @waitchks.
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*/
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__u32 num_waitchks;
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/**
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* @waitchk_mask:
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*
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* Bitmask of valid wait checks.
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*/
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__u32 waitchk_mask;
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/**
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* @timeout:
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*
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* Timeout, in milliseconds, before this job is cancelled.
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*/
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__u32 timeout;
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/**
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* @syncpts:
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*
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* A pointer to an array of &struct drm_tegra_syncpt structures that
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* specify the syncpoint operations performed as part of this job.
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* The number of elements in the array must be equal to the value
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* given by @num_syncpts.
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*/
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__u64 syncpts;
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/**
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* @cmdbufs:
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*
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* A pointer to an array of &struct drm_tegra_cmdbuf structures that
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* define the command buffers to execute as part of this job. The
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* number of elements in the array must be equal to the value given
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* by @num_syncpts.
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*/
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__u64 cmdbufs;
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/**
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* @relocs:
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*
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* A pointer to an array of &struct drm_tegra_reloc structures that
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* specify the relocations that need to be performed before executing
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* this job. The number of elements in the array must be equal to the
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* value given by @num_relocs.
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*/
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__u64 relocs;
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/**
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* @waitchks:
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*
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* A pointer to an array of &struct drm_tegra_waitchk structures that
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* specify the wait checks to be performed while executing this job.
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* The number of elements in the array must be equal to the value
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* given by @num_waitchks.
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*/
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__u64 waitchks;
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/**
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* @fence:
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*
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* The threshold of the syncpoint associated with this job after it
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* has been completed. Set by the kernel upon successful completion of
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* the IOCTL. This can be used with the DRM_TEGRA_SYNCPT_WAIT IOCTL to
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* wait for this job to be finished.
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*/
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__u32 fence;
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/**
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* @reserved:
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*
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* This field is reserved for future use. Must be 0.
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*/
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__u32 reserved[5];
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};
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#define DRM_TEGRA_GEM_TILING_MODE_PITCH 0
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#define DRM_TEGRA_GEM_TILING_MODE_TILED 1
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#define DRM_TEGRA_GEM_TILING_MODE_BLOCK 2
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/**
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* struct drm_tegra_gem_set_tiling - parameters for the set tiling IOCTL
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*/
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struct drm_tegra_gem_set_tiling {
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/**
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* @handle:
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*
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* Handle to the GEM object for which to set the tiling parameters.
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*/
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__u32 handle;
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/**
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* @mode:
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*
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* The tiling mode to set. Must be one of:
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*
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* DRM_TEGRA_GEM_TILING_MODE_PITCH
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* pitch linear format
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*
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* DRM_TEGRA_GEM_TILING_MODE_TILED
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* 16x16 tiling format
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*
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* DRM_TEGRA_GEM_TILING_MODE_BLOCK
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* 16Bx2 tiling format
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*/
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__u32 mode;
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/**
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* @value:
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*
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* The value to set for the tiling mode parameter.
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*/
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__u32 value;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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};
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/**
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* struct drm_tegra_gem_get_tiling - parameters for the get tiling IOCTL
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*/
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struct drm_tegra_gem_get_tiling {
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/**
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* @handle:
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*
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* Handle to the GEM object for which to query the tiling parameters.
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*/
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__u32 handle;
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/**
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* @mode:
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*
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* The tiling mode currently associated with the GEM object. Set by
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* the kernel upon successful completion of the IOCTL.
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*/
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__u32 mode;
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/**
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* @value:
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*
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* The tiling mode parameter currently associated with the GEM object.
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* Set by the kernel upon successful completion of the IOCTL.
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*/
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__u32 value;
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/**
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* @pad:
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*
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* Structure padding that may be used in the future. Must be 0.
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*/
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__u32 pad;
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};
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#define DRM_TEGRA_GEM_BOTTOM_UP (1 << 0)
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#define DRM_TEGRA_GEM_FLAGS (DRM_TEGRA_GEM_BOTTOM_UP)
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/**
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* struct drm_tegra_gem_set_flags - parameters for the set flags IOCTL
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*/
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struct drm_tegra_gem_set_flags {
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/**
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* @handle:
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*
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* Handle to the GEM object for which to set the flags.
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*/
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__u32 handle;
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/**
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* @flags:
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*
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* The flags to set for the GEM object.
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*/
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__u32 flags;
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};
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/**
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* struct drm_tegra_gem_get_flags - parameters for the get flags IOCTL
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*/
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struct drm_tegra_gem_get_flags {
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/**
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* @handle:
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*
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* Handle to the GEM object for which to query the flags.
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*/
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__u32 handle;
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/**
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* @flags:
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*
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* The flags currently associated with the GEM object. Set by the
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|
* kernel upon successful completion of the IOCTL.
|
|
*/
|
|
__u32 flags;
|
|
};
|
|
|
|
#define DRM_TEGRA_GEM_CREATE 0x00
|
|
#define DRM_TEGRA_GEM_MMAP 0x01
|
|
#define DRM_TEGRA_SYNCPT_READ 0x02
|
|
#define DRM_TEGRA_SYNCPT_INCR 0x03
|
|
#define DRM_TEGRA_SYNCPT_WAIT 0x04
|
|
#define DRM_TEGRA_OPEN_CHANNEL 0x05
|
|
#define DRM_TEGRA_CLOSE_CHANNEL 0x06
|
|
#define DRM_TEGRA_GET_SYNCPT 0x07
|
|
#define DRM_TEGRA_SUBMIT 0x08
|
|
#define DRM_TEGRA_GET_SYNCPT_BASE 0x09
|
|
#define DRM_TEGRA_GEM_SET_TILING 0x0a
|
|
#define DRM_TEGRA_GEM_GET_TILING 0x0b
|
|
#define DRM_TEGRA_GEM_SET_FLAGS 0x0c
|
|
#define DRM_TEGRA_GEM_GET_FLAGS 0x0d
|
|
|
|
#define DRM_IOCTL_TEGRA_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_CREATE, struct drm_tegra_gem_create)
|
|
#define DRM_IOCTL_TEGRA_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_MMAP, struct drm_tegra_gem_mmap)
|
|
#define DRM_IOCTL_TEGRA_SYNCPT_READ DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_READ, struct drm_tegra_syncpt_read)
|
|
#define DRM_IOCTL_TEGRA_SYNCPT_INCR DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_INCR, struct drm_tegra_syncpt_incr)
|
|
#define DRM_IOCTL_TEGRA_SYNCPT_WAIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_WAIT, struct drm_tegra_syncpt_wait)
|
|
#define DRM_IOCTL_TEGRA_OPEN_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_OPEN_CHANNEL, struct drm_tegra_open_channel)
|
|
#define DRM_IOCTL_TEGRA_CLOSE_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_CLOSE_CHANNEL, struct drm_tegra_close_channel)
|
|
#define DRM_IOCTL_TEGRA_GET_SYNCPT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GET_SYNCPT, struct drm_tegra_get_syncpt)
|
|
#define DRM_IOCTL_TEGRA_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SUBMIT, struct drm_tegra_submit)
|
|
#define DRM_IOCTL_TEGRA_GET_SYNCPT_BASE DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GET_SYNCPT_BASE, struct drm_tegra_get_syncpt_base)
|
|
#define DRM_IOCTL_TEGRA_GEM_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_SET_TILING, struct drm_tegra_gem_set_tiling)
|
|
#define DRM_IOCTL_TEGRA_GEM_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_GET_TILING, struct drm_tegra_gem_get_tiling)
|
|
#define DRM_IOCTL_TEGRA_GEM_SET_FLAGS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_SET_FLAGS, struct drm_tegra_gem_set_flags)
|
|
#define DRM_IOCTL_TEGRA_GEM_GET_FLAGS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_GET_FLAGS, struct drm_tegra_gem_get_flags)
|
|
|
|
/* New Tegra DRM UAPI */
|
|
|
|
/*
|
|
* Reported by the driver in the `capabilities` field.
|
|
*
|
|
* DRM_TEGRA_CHANNEL_CAP_CACHE_COHERENT: If set, the engine is cache coherent
|
|
* with regard to the system memory.
|
|
*/
|
|
#define DRM_TEGRA_CHANNEL_CAP_CACHE_COHERENT (1 << 0)
|
|
|
|
struct drm_tegra_channel_open {
|
|
/**
|
|
* @host1x_class: [in]
|
|
*
|
|
* Host1x class of the engine that will be programmed using this
|
|
* channel.
|
|
*/
|
|
__u32 host1x_class;
|
|
|
|
/**
|
|
* @flags: [in]
|
|
*
|
|
* Flags.
|
|
*/
|
|
__u32 flags;
|
|
|
|
/**
|
|
* @context: [out]
|
|
*
|
|
* Opaque identifier corresponding to the opened channel.
|
|
*/
|
|
__u32 context;
|
|
|
|
/**
|
|
* @version: [out]
|
|
*
|
|
* Version of the engine hardware. This can be used by userspace
|
|
* to determine how the engine needs to be programmed.
|
|
*/
|
|
__u32 version;
|
|
|
|
/**
|
|
* @capabilities: [out]
|
|
*
|
|
* Flags describing the hardware capabilities.
|
|
*/
|
|
__u32 capabilities;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct drm_tegra_channel_close {
|
|
/**
|
|
* @context: [in]
|
|
*
|
|
* Identifier of the channel to close.
|
|
*/
|
|
__u32 context;
|
|
__u32 padding;
|
|
};
|
|
|
|
/*
|
|
* Mapping flags that can be used to influence how the mapping is created.
|
|
*
|
|
* DRM_TEGRA_CHANNEL_MAP_READ: create mapping that allows HW read access
|
|
* DRM_TEGRA_CHANNEL_MAP_WRITE: create mapping that allows HW write access
|
|
*/
|
|
#define DRM_TEGRA_CHANNEL_MAP_READ (1 << 0)
|
|
#define DRM_TEGRA_CHANNEL_MAP_WRITE (1 << 1)
|
|
#define DRM_TEGRA_CHANNEL_MAP_READ_WRITE (DRM_TEGRA_CHANNEL_MAP_READ | \
|
|
DRM_TEGRA_CHANNEL_MAP_WRITE)
|
|
|
|
struct drm_tegra_channel_map {
|
|
/**
|
|
* @context: [in]
|
|
*
|
|
* Identifier of the channel to which make memory available for.
|
|
*/
|
|
__u32 context;
|
|
|
|
/**
|
|
* @handle: [in]
|
|
*
|
|
* GEM handle of the memory to map.
|
|
*/
|
|
__u32 handle;
|
|
|
|
/**
|
|
* @flags: [in]
|
|
*
|
|
* Flags.
|
|
*/
|
|
__u32 flags;
|
|
|
|
/**
|
|
* @mapping: [out]
|
|
*
|
|
* Identifier corresponding to the mapping, to be used for
|
|
* relocations or unmapping later.
|
|
*/
|
|
__u32 mapping;
|
|
};
|
|
|
|
struct drm_tegra_channel_unmap {
|
|
/**
|
|
* @context: [in]
|
|
*
|
|
* Channel identifier of the channel to unmap memory from.
|
|
*/
|
|
__u32 context;
|
|
|
|
/**
|
|
* @mapping: [in]
|
|
*
|
|
* Mapping identifier of the memory mapping to unmap.
|
|
*/
|
|
__u32 mapping;
|
|
};
|
|
|
|
/* Submission */
|
|
|
|
/**
|
|
* Specify that bit 39 of the patched-in address should be set to switch
|
|
* swizzling between Tegra and non-Tegra sector layout on systems that store
|
|
* surfaces in system memory in non-Tegra sector layout.
|
|
*/
|
|
#define DRM_TEGRA_SUBMIT_RELOC_SECTOR_LAYOUT (1 << 0)
|
|
|
|
struct drm_tegra_submit_buf {
|
|
/**
|
|
* @mapping: [in]
|
|
*
|
|
* Identifier of the mapping to use in the submission.
|
|
*/
|
|
__u32 mapping;
|
|
|
|
/**
|
|
* @flags: [in]
|
|
*
|
|
* Flags.
|
|
*/
|
|
__u32 flags;
|
|
|
|
/**
|
|
* Information for relocation patching.
|
|
*/
|
|
struct {
|
|
/**
|
|
* @target_offset: [in]
|
|
*
|
|
* Offset from the start of the mapping of the data whose
|
|
* address is to be patched into the gather.
|
|
*/
|
|
__u64 target_offset;
|
|
|
|
/**
|
|
* @gather_offset_words: [in]
|
|
*
|
|
* Offset in words from the start of the gather data to
|
|
* where the address should be patched into.
|
|
*/
|
|
__u32 gather_offset_words;
|
|
|
|
/**
|
|
* @shift: [in]
|
|
*
|
|
* Number of bits the address should be shifted right before
|
|
* patching in.
|
|
*/
|
|
__u32 shift;
|
|
} reloc;
|
|
};
|
|
|
|
/**
|
|
* Execute `words` words of Host1x opcodes specified in the `gather_data_ptr`
|
|
* buffer. Each GATHER_UPTR command uses successive words from the buffer.
|
|
*/
|
|
#define DRM_TEGRA_SUBMIT_CMD_GATHER_UPTR 0
|
|
/**
|
|
* Wait for a syncpoint to reach a value before continuing with further
|
|
* commands.
|
|
*/
|
|
#define DRM_TEGRA_SUBMIT_CMD_WAIT_SYNCPT 1
|
|
/**
|
|
* Wait for a syncpoint to reach a value before continuing with further
|
|
* commands. The threshold is calculated relative to the start of the job.
|
|
*/
|
|
#define DRM_TEGRA_SUBMIT_CMD_WAIT_SYNCPT_RELATIVE 2
|
|
|
|
struct drm_tegra_submit_cmd_gather_uptr {
|
|
__u32 words;
|
|
__u32 reserved[3];
|
|
};
|
|
|
|
struct drm_tegra_submit_cmd_wait_syncpt {
|
|
__u32 id;
|
|
__u32 value;
|
|
__u32 reserved[2];
|
|
};
|
|
|
|
struct drm_tegra_submit_cmd {
|
|
/**
|
|
* @type: [in]
|
|
*
|
|
* Command type to execute. One of the DRM_TEGRA_SUBMIT_CMD*
|
|
* defines.
|
|
*/
|
|
__u32 type;
|
|
|
|
/**
|
|
* @flags: [in]
|
|
*
|
|
* Flags.
|
|
*/
|
|
__u32 flags;
|
|
|
|
union {
|
|
struct drm_tegra_submit_cmd_gather_uptr gather_uptr;
|
|
struct drm_tegra_submit_cmd_wait_syncpt wait_syncpt;
|
|
__u32 reserved[4];
|
|
};
|
|
};
|
|
|
|
struct drm_tegra_submit_syncpt {
|
|
/**
|
|
* @id: [in]
|
|
*
|
|
* ID of the syncpoint that the job will increment.
|
|
*/
|
|
__u32 id;
|
|
|
|
/**
|
|
* @flags: [in]
|
|
*
|
|
* Flags.
|
|
*/
|
|
__u32 flags;
|
|
|
|
/**
|
|
* @increments: [in]
|
|
*
|
|
* Number of times the job will increment this syncpoint.
|
|
*/
|
|
__u32 increments;
|
|
|
|
/**
|
|
* @value: [out]
|
|
*
|
|
* Value the syncpoint will have once the job has completed all
|
|
* its specified syncpoint increments.
|
|
*
|
|
* Note that the kernel may increment the syncpoint before or after
|
|
* the job. These increments are not reflected in this field.
|
|
*
|
|
* If the job hangs or times out, not all of the increments may
|
|
* get executed.
|
|
*/
|
|
__u32 value;
|
|
};
|
|
|
|
struct drm_tegra_channel_submit {
|
|
/**
|
|
* @context: [in]
|
|
*
|
|
* Identifier of the channel to submit this job to.
|
|
*/
|
|
__u32 context;
|
|
|
|
/**
|
|
* @num_bufs: [in]
|
|
*
|
|
* Number of elements in the `bufs_ptr` array.
|
|
*/
|
|
__u32 num_bufs;
|
|
|
|
/**
|
|
* @num_cmds: [in]
|
|
*
|
|
* Number of elements in the `cmds_ptr` array.
|
|
*/
|
|
__u32 num_cmds;
|
|
|
|
/**
|
|
* @gather_data_words: [in]
|
|
*
|
|
* Number of 32-bit words in the `gather_data_ptr` array.
|
|
*/
|
|
__u32 gather_data_words;
|
|
|
|
/**
|
|
* @bufs_ptr: [in]
|
|
*
|
|
* Pointer to an array of drm_tegra_submit_buf structures.
|
|
*/
|
|
__u64 bufs_ptr;
|
|
|
|
/**
|
|
* @cmds_ptr: [in]
|
|
*
|
|
* Pointer to an array of drm_tegra_submit_cmd structures.
|
|
*/
|
|
__u64 cmds_ptr;
|
|
|
|
/**
|
|
* @gather_data_ptr: [in]
|
|
*
|
|
* Pointer to an array of Host1x opcodes to be used by GATHER_UPTR
|
|
* commands.
|
|
*/
|
|
__u64 gather_data_ptr;
|
|
|
|
/**
|
|
* @syncobj_in: [in]
|
|
*
|
|
* Handle for DRM syncobj that will be waited before submission.
|
|
* Ignored if zero.
|
|
*/
|
|
__u32 syncobj_in;
|
|
|
|
/**
|
|
* @syncobj_out: [in]
|
|
*
|
|
* Handle for DRM syncobj that will have its fence replaced with
|
|
* the job's completion fence. Ignored if zero.
|
|
*/
|
|
__u32 syncobj_out;
|
|
|
|
/**
|
|
* @syncpt_incr: [in,out]
|
|
*
|
|
* Information about the syncpoint the job will increment.
|
|
*/
|
|
struct drm_tegra_submit_syncpt syncpt;
|
|
};
|
|
|
|
struct drm_tegra_syncpoint_allocate {
|
|
/**
|
|
* @id: [out]
|
|
*
|
|
* ID of allocated syncpoint.
|
|
*/
|
|
__u32 id;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct drm_tegra_syncpoint_free {
|
|
/**
|
|
* @id: [in]
|
|
*
|
|
* ID of syncpoint to free.
|
|
*/
|
|
__u32 id;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct drm_tegra_syncpoint_wait {
|
|
/**
|
|
* @timeout: [in]
|
|
*
|
|
* Absolute timestamp at which the wait will time out.
|
|
*/
|
|
__s64 timeout_ns;
|
|
|
|
/**
|
|
* @id: [in]
|
|
*
|
|
* ID of syncpoint to wait on.
|
|
*/
|
|
__u32 id;
|
|
|
|
/**
|
|
* @threshold: [in]
|
|
*
|
|
* Threshold to wait for.
|
|
*/
|
|
__u32 threshold;
|
|
|
|
/**
|
|
* @value: [out]
|
|
*
|
|
* Value of the syncpoint upon wait completion.
|
|
*/
|
|
__u32 value;
|
|
|
|
__u32 padding;
|
|
};
|
|
|
|
#define DRM_IOCTL_TEGRA_CHANNEL_OPEN DRM_IOWR(DRM_COMMAND_BASE + 0x10, struct drm_tegra_channel_open)
|
|
#define DRM_IOCTL_TEGRA_CHANNEL_CLOSE DRM_IOWR(DRM_COMMAND_BASE + 0x11, struct drm_tegra_channel_close)
|
|
#define DRM_IOCTL_TEGRA_CHANNEL_MAP DRM_IOWR(DRM_COMMAND_BASE + 0x12, struct drm_tegra_channel_map)
|
|
#define DRM_IOCTL_TEGRA_CHANNEL_UNMAP DRM_IOWR(DRM_COMMAND_BASE + 0x13, struct drm_tegra_channel_unmap)
|
|
#define DRM_IOCTL_TEGRA_CHANNEL_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + 0x14, struct drm_tegra_channel_submit)
|
|
|
|
#define DRM_IOCTL_TEGRA_SYNCPOINT_ALLOCATE DRM_IOWR(DRM_COMMAND_BASE + 0x20, struct drm_tegra_syncpoint_allocate)
|
|
#define DRM_IOCTL_TEGRA_SYNCPOINT_FREE DRM_IOWR(DRM_COMMAND_BASE + 0x21, struct drm_tegra_syncpoint_free)
|
|
#define DRM_IOCTL_TEGRA_SYNCPOINT_WAIT DRM_IOWR(DRM_COMMAND_BASE + 0x22, struct drm_tegra_syncpoint_wait)
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|