14 	struct msm_gem_address_space *aspace = container_of(kref,  in msm_gem_address_space_destroy()  local
17 	drm_mm_takedown(&aspace->mm);  in msm_gem_address_space_destroy()
18 	if (aspace->mmu)  in msm_gem_address_space_destroy()
19 		aspace->mmu->funcs->destroy(aspace->mmu);  in msm_gem_address_space_destroy()
20 	put_pid(aspace->pid);  in msm_gem_address_space_destroy()
21 	kfree(aspace);  in msm_gem_address_space_destroy()
25 void msm_gem_address_space_put(struct msm_gem_address_space *aspace)  in msm_gem_address_space_put()  argument
27 	if (aspace)  in msm_gem_address_space_put()
28 		kref_put(&aspace->kref, msm_gem_address_space_destroy);  in msm_gem_address_space_put()
32 msm_gem_address_space_get(struct msm_gem_address_space *aspace)  in msm_gem_address_space_get()  argument
34 	if (!IS_ERR_OR_NULL(aspace))  in msm_gem_address_space_get()
35 		kref_get(&aspace->kref);  in msm_gem_address_space_get()
37 	return aspace;  in msm_gem_address_space_get()
41 void msm_gem_purge_vma(struct msm_gem_address_space *aspace,  in msm_gem_purge_vma()  argument
54 	if (aspace->mmu)  in msm_gem_purge_vma()
55 		aspace->mmu->funcs->unmap(aspace->mmu, vma->iova, size);  in msm_gem_purge_vma()
61 void msm_gem_unmap_vma(struct msm_gem_address_space *aspace,  in msm_gem_unmap_vma()  argument
69 msm_gem_map_vma(struct msm_gem_address_space *aspace,  in msm_gem_map_vma()  argument
87 	if (aspace && aspace->mmu)  in msm_gem_map_vma()
88 		ret = aspace->mmu->funcs->map(aspace->mmu, vma->iova, sgt,  in msm_gem_map_vma()
100 void msm_gem_close_vma(struct msm_gem_address_space *aspace,  in msm_gem_close_vma()  argument
106 	spin_lock(&aspace->lock);  in msm_gem_close_vma()
109 	spin_unlock(&aspace->lock);  in msm_gem_close_vma()
113 	msm_gem_address_space_put(aspace);  in msm_gem_close_vma()
117 int msm_gem_init_vma(struct msm_gem_address_space *aspace,  in msm_gem_init_vma()  argument
126 	spin_lock(&aspace->lock);  in msm_gem_init_vma()
127 	ret = drm_mm_insert_node_in_range(&aspace->mm, &vma->node, npages, 0,  in msm_gem_init_vma()
129 	spin_unlock(&aspace->lock);  in msm_gem_init_vma()
137 	kref_get(&aspace->kref);  in msm_gem_init_vma()
146 	struct msm_gem_address_space *aspace;  in msm_gem_address_space_create()  local
151 	aspace = kzalloc(sizeof(*aspace), GFP_KERNEL);  in msm_gem_address_space_create()
152 	if (!aspace)  in msm_gem_address_space_create()
155 	spin_lock_init(&aspace->lock);  in msm_gem_address_space_create()
156 	aspace->name = name;  in msm_gem_address_space_create()
157 	aspace->mmu = mmu;  in msm_gem_address_space_create()
159 	drm_mm_init(&aspace->mm, va_start >> PAGE_SHIFT, size >> PAGE_SHIFT);  in msm_gem_address_space_create()
161 	kref_init(&aspace->kref);  in msm_gem_address_space_create()
163 	return aspace;  in msm_gem_address_space_create()