Lines Matching defs:length
37 int npages = region->length >> PAGE_SHIFT;
85 long npages = region->length >> PAGE_SHIFT;
104 int npages = region->length >> PAGE_SHIFT;
131 (region->length + region->iova >= iova + size);
161 if (dma_region_check_iova(this, region->iova, region->length))
219 region->iova, region->length,
294 * @length: size of the memory region
297 * Map memory region defined by @user_addr and @length, and return dma address
302 u64 user_addr, u64 length, u64 *iova)
309 * valid length.
311 if (!PAGE_ALIGNED(user_addr) || !PAGE_ALIGNED(length) || !length)
315 if (user_addr + length < user_addr)
323 region->length = length;
342 region->length,
364 region->iova, region->length, DMA_BIDIRECTIONAL);
400 region->iova, region->length, DMA_BIDIRECTIONAL);