Files
RedBear-OS/local/recipes/gpu/amdgpu-source/include/drm/drm_prime.h
T
vasilito dc68054305 restore lost packages from 0.2.3 + fix overwritten 0.2.4 files
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.)
- Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber)
- Restore 20+ local/scripts (audit, lint, test, build helpers)
- Restore src/cook/scheduler.rs, status.rs, gnu-config/
- Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh
- Recover TLC source from HEAD (was overwritten by 0.2.3 checkout)
- Recover 11 local/docs plans from HEAD (were overwritten)
- Recover qt6-wayland-smoke symlink from HEAD
- Fix MOTD: remove garbled ASCII art, use clean text
- Update version: 0.2.0 -> 0.2.4 in os-release, motd, config
- Reduce filesystem_size: 1536 -> 512 MiB
- Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages
- Reduce pcid scheme log verbosity: info -> debug
2026-06-19 12:39:14 +03:00

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C

/*
* Copyright © 2012 Red Hat
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* Copyright (c) 2009-2010, Code Aurora Forum.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Dave Airlie <airlied@redhat.com>
* Rob Clark <rob.clark@linaro.org>
*
*/
#ifndef __DRM_PRIME_H__
#define __DRM_PRIME_H__
#include <linux/mutex.h>
#include <linux/rbtree.h>
#include <linux/scatterlist.h>
/**
* struct drm_prime_file_private - per-file tracking for PRIME
*
* This just contains the internal &struct dma_buf and handle caches for each
* &struct drm_file used by the PRIME core code.
*/
struct drm_prime_file_private {
/* private: */
struct mutex lock;
struct rb_root dmabufs;
struct rb_root handles;
};
struct device;
struct dma_buf_export_info;
struct dma_buf;
struct dma_buf_attachment;
struct iosys_map;
enum dma_data_direction;
struct drm_device;
struct drm_gem_object;
struct drm_file;
/* core prime functions */
struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
struct dma_buf_export_info *exp_info);
void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
int drm_gem_prime_fd_to_handle(struct drm_device *dev,
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
struct dma_buf *drm_gem_prime_handle_to_dmabuf(struct drm_device *dev,
struct drm_file *file_priv, uint32_t handle,
uint32_t flags);
int drm_gem_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv, uint32_t handle, uint32_t flags,
int *prime_fd);
/* helper functions for exporting */
int drm_gem_map_attach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach);
void drm_gem_map_detach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach);
struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
enum dma_data_direction dir);
void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,
struct sg_table *sgt,
enum dma_data_direction dir);
int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map);
void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map);
int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev,
struct page **pages, unsigned int nr_pages);
struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj,
int flags);
unsigned long drm_prime_get_contiguous_size(struct sg_table *sgt);
/* helper functions for importing */
bool drm_gem_is_prime_exported_dma_buf(struct drm_device *dev,
struct dma_buf *dma_buf);
struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
struct dma_buf *dma_buf,
struct device *attach_dev);
struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
struct dma_buf *dma_buf);
void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
int drm_prime_sg_to_page_array(struct sg_table *sgt, struct page **pages,
int max_pages);
int drm_prime_sg_to_dma_addr_array(struct sg_table *sgt, dma_addr_t *addrs,
int max_pages);
#endif /* __DRM_PRIME_H__ */