iommu/iommufd/iova_bitmap.c

32  *   data[(iova / page_size) / 64] & (1ULL << (iova % 64))
36 	unsigned long iova;
74  *   bitmap = iova_bitmap_alloc(iova, length, page_size, data);
82  * Each iteration of the @dirty_reporter_fn is called with a unique @iova
87  *   iova_bitmap_set(bitmap, iova, iova_length);
112 	unsigned long iova;
126  * (stored in mapped::iova). All computations in this file are done using
127  * relative IOVAs and thus avoid an extra subtraction against mapped::iova.
131 						 unsigned long iova)
135 	return iova / (BITS_PER_TYPE(*bitmap->bitmap) * pgsize);
156 	return bitmap->iova + iova_bitmap_index_to_offset(bitmap, skip);
201 	mapped->iova = iova_bitmap_mapped_iova(bitmap);
229  * @iova: Start address of the IOVA range
241 struct iova_bitmap *iova_bitmap_alloc(unsigned long iova, size_t length,
257 	bitmap->iova = iova;
259 	mapped->iova = iova;
321 	unsigned long max_iova = bitmap->iova + bitmap->length - 1;
322 	unsigned long iova = iova_bitmap_mapped_iova(bitmap);
329 	 * only cover the IOVA range in @bitmap::iova .. @bitmap::length.
334 	if (iova + remaining - 1 > max_iova)
335 		remaining -= ((iova + remaining - 1) - max_iova);
355 		unsigned long iova = iova_bitmap_mapped_iova(bitmap);
362 		iova_bitmap_set(bitmap, iova, length);
381 	unsigned long iova = iova_bitmap_mapped_length(bitmap) - 1;
382 	unsigned long count = iova_bitmap_offset_to_index(bitmap, iova) + 1;
436  * @iova: IOVA to start
439  * Set the bits corresponding to the range [iova .. iova+length-1] in
444 		     unsigned long iova, size_t length)
447 	unsigned long cur_bit = ((iova - mapped->iova) >>
449 	unsigned long last_bit = (((iova + length - 1) - mapped->iova) >>