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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2015-2018 Etnaviv Project */ #ifndef __ETNAVIV_GEM_H__ #define __ETNAVIV_GEM_H__ #include <linux/reservation.h> #include "etnaviv_cmdbuf.h" #include "etnaviv_drv.h" struct dma_fence; struct etnaviv_gem_ops; struct etnaviv_gem_object; struct etnaviv_gem_userptr { uintptr_t ptr; struct mm_struct *mm; bool ro; }; struct etnaviv_vram_mapping { struct list_head obj_node; struct list_head scan_node; struct list_head mmu_node; struct etnaviv_gem_object *object; struct etnaviv_iommu *mmu; struct drm_mm_node vram_node; unsigned int use; u32 iova; }; struct etnaviv_gem_object { struct drm_gem_object base; const struct etnaviv_gem_ops *ops; struct mutex lock; u32 flags; struct list_head gem_node; struct etnaviv_gpu *gpu; /* non-null if active */ atomic_t gpu_active; u32 access; struct page **pages; struct sg_table *sgt; void *vaddr; /* normally (resv == &_resv) except for imported bo's */ struct reservation_object *resv; struct reservation_object _resv; struct list_head vram_list; /* cache maintenance */ u32 last_cpu_prep_op; struct etnaviv_gem_userptr userptr; }; static inline struct etnaviv_gem_object *to_etnaviv_bo(struct drm_gem_object *obj) { return container_of(obj, struct etnaviv_gem_object, base); } struct etnaviv_gem_ops { int (*get_pages)(struct etnaviv_gem_object *); void (*release)(struct etnaviv_gem_object *); void *(*vmap)(struct etnaviv_gem_object *); int (*mmap)(struct etnaviv_gem_object *, struct vm_area_struct *); }; static inline bool is_active(struct etnaviv_gem_object *etnaviv_obj) { return atomic_read(&etnaviv_obj->gpu_active) != 0; } #define MAX_CMDS 4 struct etnaviv_gem_submit_bo { u32 flags; struct etnaviv_gem_object *obj; struct etnaviv_vram_mapping *mapping; struct dma_fence *excl; unsigned int nr_shared; struct dma_fence **shared; }; /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc, * associated with the cmdstream submission for synchronization (and * make it easier to unwind when things go wrong, etc). */ struct etnaviv_gem_submit { struct drm_sched_job sched_job; struct kref refcount; struct etnaviv_gpu *gpu; struct dma_fence *out_fence, *in_fence; int out_fence_id; struct list_head node; /* GPU active submit list */ struct etnaviv_cmdbuf cmdbuf; bool runtime_resumed; u32 exec_state; u32 flags; unsigned int nr_pmrs; struct etnaviv_perfmon_request *pmrs; unsigned int nr_bos; struct etnaviv_gem_submit_bo bos[0]; /* No new members here, the previous one is variable-length! */ }; void etnaviv_submit_put(struct etnaviv_gem_submit * submit); int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, struct timespec *timeout); int etnaviv_gem_new_private(struct drm_device *dev, size_t size, u32 flags, struct reservation_object *robj, const struct etnaviv_gem_ops *ops, struct etnaviv_gem_object **res); void etnaviv_gem_obj_add(struct drm_device *dev, struct drm_gem_object *obj); struct page **etnaviv_gem_get_pages(struct etnaviv_gem_object *obj); void etnaviv_gem_put_pages(struct etnaviv_gem_object *obj); struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( struct drm_gem_object *obj, struct etnaviv_gpu *gpu); void etnaviv_gem_mapping_reference(struct etnaviv_vram_mapping *mapping); void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping); #endif /* __ETNAVIV_GEM_H__ */ |