drm/lima/lima_gem.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
0002 /* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
0003
0004 #ifndef __LIMA_GEM_H__
0005 #define __LIMA_GEM_H__
0006
0007 #include <drm/drm_gem_shmem_helper.h>
0008
0009 struct lima_submit;
0010 struct lima_vm;
0011
0012 struct lima_bo {
0013     struct drm_gem_shmem_object base;
0014
0015     struct mutex lock;
0016     struct list_head va;
0017
0018     size_t heap_size;
0019 };
0020
0021 static inline struct lima_bo *
0022 to_lima_bo(struct drm_gem_object *obj)
0023 {
0024     return container_of(to_drm_gem_shmem_obj(obj), struct lima_bo, base);
0025 }
0026
0027 static inline size_t lima_bo_size(struct lima_bo *bo)
0028 {
0029     return bo->base.base.size;
0030 }
0031
0032 static inline struct dma_resv *lima_bo_resv(struct lima_bo *bo)
0033 {
0034     return bo->base.base.resv;
0035 }
0036
0037 int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm);
0038 struct drm_gem_object *lima_gem_create_object(struct drm_device *dev, size_t size);
0039 int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file,
0040                u32 size, u32 flags, u32 *handle);
0041 int lima_gem_get_info(struct drm_file *file, u32 handle, u32 *va, u64 *offset);
0042 int lima_gem_submit(struct drm_file *file, struct lima_submit *submit);
0043 int lima_gem_wait(struct drm_file *file, u32 handle, u32 op, s64 timeout_ns);
0044
0045 void lima_set_vma_flags(struct vm_area_struct *vma);
0046
0047 #endif