59  * @mni: the range (mm) is about to update
60  * @range: details on the invalidation
67 				      const struct mmu_notifier_range *range,  in amdgpu_hmm_invalidate_gfx()  argument
74 	if (!mmu_notifier_range_blockable(range))  in amdgpu_hmm_invalidate_gfx()
96  * @mni: the range (mm) is about to update
97  * @range: details on the invalidation
100  * We temporarily evict the BO attached to this range. This necessitates
104 				      const struct mmu_notifier_range *range,  in amdgpu_hmm_invalidate_hsa()  argument
109 	if (!mmu_notifier_range_blockable(range))  in amdgpu_hmm_invalidate_hsa()
171 			       struct amdgpu_hmm_range *range)  in amdgpu_hmm_range_get_pages()  argument
177 	struct hmm_range *hmm_range = &range->hmm_range;  in amdgpu_hmm_range_get_pages()
197 		pr_debug("hmm range: start = 0x%lx, end = 0x%lx",  in amdgpu_hmm_range_get_pages()
232  * amdgpu_hmm_range_valid - check if an HMM range is still valid
233  * @range: pointer to the &struct amdgpu_hmm_range to validate
235  * Determines whether the given HMM range @range is still valid by
237  * typically used to verify that the range has not been invalidated
241  * * true if @range is valid and can be used safely
242  * * false if @range is NULL or has been invalidated
244 bool amdgpu_hmm_range_valid(struct amdgpu_hmm_range *range)  in amdgpu_hmm_range_valid()  argument
246 	if (!range)  in amdgpu_hmm_range_valid()
249 	return !mmu_interval_read_retry(range->hmm_range.notifier,  in amdgpu_hmm_range_valid()
250 					range->hmm_range.notifier_seq);  in amdgpu_hmm_range_valid()
254  * amdgpu_hmm_range_alloc - allocate and initialize an AMDGPU HMM range
255  * @bo: optional buffer object to associate with this HMM range
266 	struct amdgpu_hmm_range *range;  in amdgpu_hmm_range_alloc()  local
268 	range = kzalloc_obj(*range);  in amdgpu_hmm_range_alloc()
269 	if (!range)  in amdgpu_hmm_range_alloc()
272 	range->bo = amdgpu_bo_ref(bo);  in amdgpu_hmm_range_alloc()
273 	return range;  in amdgpu_hmm_range_alloc()
277  * amdgpu_hmm_range_free - release an AMDGPU HMM range
278  * @range: pointer to the range object to free
280  * Releases all resources held by @range, including the associated
285 void amdgpu_hmm_range_free(struct amdgpu_hmm_range *range)  in amdgpu_hmm_range_free()  argument
287 	if (!range)  in amdgpu_hmm_range_free()
290 	kvfree(range->hmm_range.hmm_pfns);  in amdgpu_hmm_range_free()
291 	amdgpu_bo_unref(&range->bo);  in amdgpu_hmm_range_free()
292 	kfree(range);  in amdgpu_hmm_range_free()