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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drm_gem_framebuffer_helper.h (2097B)

      1#ifndef __DRM_GEM_FB_HELPER_H__
      2#define __DRM_GEM_FB_HELPER_H__
      3
      4#include <linux/dma-buf.h>
      5#include <linux/iosys-map.h>
      6
      7#include <drm/drm_fourcc.h>
      8
      9struct drm_afbc_framebuffer;
     10struct drm_device;
     11struct drm_fb_helper_surface_size;
     12struct drm_file;
     13struct drm_framebuffer;
     14struct drm_framebuffer_funcs;
     15struct drm_gem_object;
     16struct drm_mode_fb_cmd2;
     17
     18#define AFBC_VENDOR_AND_TYPE_MASK	GENMASK_ULL(63, 52)
     19
     20struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
     21					  unsigned int plane);
     22void drm_gem_fb_destroy(struct drm_framebuffer *fb);
     23int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
     24			     unsigned int *handle);
     25
     26int drm_gem_fb_init_with_funcs(struct drm_device *dev,
     27			       struct drm_framebuffer *fb,
     28			       struct drm_file *file,
     29			       const struct drm_mode_fb_cmd2 *mode_cmd,
     30			       const struct drm_framebuffer_funcs *funcs);
     31struct drm_framebuffer *
     32drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
     33			     const struct drm_mode_fb_cmd2 *mode_cmd,
     34			     const struct drm_framebuffer_funcs *funcs);
     35struct drm_framebuffer *
     36drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
     37		  const struct drm_mode_fb_cmd2 *mode_cmd);
     38struct drm_framebuffer *
     39drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
     40			     const struct drm_mode_fb_cmd2 *mode_cmd);
     41
     42int drm_gem_fb_vmap(struct drm_framebuffer *fb,
     43		    struct iosys_map map[static DRM_FORMAT_MAX_PLANES],
     44		    struct iosys_map data[DRM_FORMAT_MAX_PLANES]);
     45void drm_gem_fb_vunmap(struct drm_framebuffer *fb,
     46		       struct iosys_map map[static DRM_FORMAT_MAX_PLANES]);
     47int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
     48void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
     49
     50#define drm_is_afbc(modifier) \
     51	(((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
     52
     53int drm_gem_fb_afbc_init(struct drm_device *dev,
     54			 const struct drm_mode_fb_cmd2 *mode_cmd,
     55			 struct drm_afbc_framebuffer *afbc_fb);
     56
     57#endif