cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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omap_gem.h (2947B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * omap_gem.h -- OMAP DRM GEM Object Management
      4 *
      5 * Copyright (C) 2011 Texas Instruments
      6 * Author: Rob Clark <rob@ti.com>
      7 */
      8
      9#ifndef __OMAPDRM_GEM_H__
     10#define __OMAPDRM_GEM_H__
     11
     12#include <linux/types.h>
     13#include <linux/mm_types.h>
     14
     15enum dma_data_direction;
     16
     17struct dma_buf;
     18struct drm_device;
     19struct drm_file;
     20struct drm_gem_object;
     21struct drm_mode_create_dumb;
     22struct file;
     23struct list_head;
     24struct page;
     25struct seq_file;
     26struct vm_area_struct;
     27struct vm_fault;
     28
     29union omap_gem_size;
     30
     31/* Initialization and Cleanup */
     32void omap_gem_init(struct drm_device *dev);
     33void omap_gem_deinit(struct drm_device *dev);
     34
     35#ifdef CONFIG_PM
     36int omap_gem_resume(struct drm_device *dev);
     37#endif
     38
     39#ifdef CONFIG_DEBUG_FS
     40void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
     41void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
     42#endif
     43
     44/* GEM Object Creation and Deletion */
     45struct drm_gem_object *omap_gem_new(struct drm_device *dev,
     46		union omap_gem_size gsize, u32 flags);
     47struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
     48		struct sg_table *sgt);
     49int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
     50		union omap_gem_size gsize, u32 flags, u32 *handle);
     51void *omap_gem_vaddr(struct drm_gem_object *obj);
     52
     53/* Dumb Buffers Interface */
     54int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
     55		u32 handle, u64 *offset);
     56int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
     57		struct drm_mode_create_dumb *args);
     58
     59/* mmap() Interface */
     60int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
     61int omap_gem_mmap_obj(struct drm_gem_object *obj,
     62		struct vm_area_struct *vma);
     63u64 omap_gem_mmap_offset(struct drm_gem_object *obj);
     64size_t omap_gem_mmap_size(struct drm_gem_object *obj);
     65
     66/* PRIME Interface */
     67struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);
     68struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
     69		struct dma_buf *buffer);
     70
     71int omap_gem_roll(struct drm_gem_object *obj, u32 roll);
     72void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
     73void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
     74		enum dma_data_direction dir);
     75int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
     76void omap_gem_unpin(struct drm_gem_object *obj);
     77int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
     78		bool remap);
     79int omap_gem_put_pages(struct drm_gem_object *obj);
     80
     81u32 omap_gem_flags(struct drm_gem_object *obj);
     82int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
     83		int x, int y, dma_addr_t *dma_addr);
     84int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);
     85struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj,
     86		enum dma_data_direction dir);
     87void omap_gem_put_sg(struct drm_gem_object *obj, struct sg_table *sgt);
     88
     89#endif /* __OMAPDRM_GEM_H__ */