46 	/** @start: Start of cursor */
47 	u64 start;  member
63 	 * @dma_start: DMA start address for the current segment.
84  * @start: Start of the range
88  * Start walking over the range of allocations between @start and @size.
91 				u64 start, u64 size,  in xe_res_first()  argument
99 	XE_WARN_ON(start + size > res->size);  in xe_res_first()
119 		while (start >= drm_buddy_block_size(mm, block)) {  in xe_res_first()
120 			start -= drm_buddy_block_size(mm, block);  in xe_res_first()
129 		cur->start = drm_buddy_block_offset(block) + start;  in xe_res_first()
130 		cur->size = min(drm_buddy_block_size(mm, block) - start,  in xe_res_first()
143 	cur->start = start;  in xe_res_first()
148 	XE_WARN_ON(res && start + size > res->size);  in xe_res_first()
154 	u64 start = cur->start;  in __xe_res_sg_next()  local
156 	while (start >= sg_dma_len(sgl)) {  in __xe_res_sg_next()
157 		start -= sg_dma_len(sgl);  in __xe_res_sg_next()
162 	cur->start = start;  in __xe_res_sg_next()
163 	cur->size = sg_dma_len(sgl) - start;  in __xe_res_sg_next()
174 	u64 start = cur->start;  in __xe_res_dma_next()  local
176 	while (start >= cur->dma_seg_size) {  in __xe_res_dma_next()
177 		start -= cur->dma_seg_size;  in __xe_res_dma_next()
184 	while (cur->dma_seg_size - start < cur->remaining) {  in __xe_res_dma_next()
193 	cur->start = start;  in __xe_res_dma_next()
194 	cur->size = cur->dma_seg_size - start;  in __xe_res_dma_next()
201  * @start: Start of the range
205  * Start walking over the range of allocations between @start and @size.
208 				   u64 start, u64 size,  in xe_res_first_sg()  argument
213 	cur->start = start;  in xe_res_first_sg()
226  * @start: Start of the range
230  * Start walking over the range of allocations between @start and @size.
233 				    u64 start, u64 size,  in xe_res_first_dma()  argument
237 	XE_WARN_ON(!IS_ALIGNED(start, PAGE_SIZE) ||  in xe_res_first_dma()
241 	cur->start = start;  in xe_res_first_dma()
264 	u64 start;  in xe_res_next()  local
274 		cur->start += size;  in xe_res_next()
279 		cur->start += size;  in xe_res_next()
285 		cur->start += size;  in xe_res_next()
294 		start = size - cur->size;  in xe_res_next()
301 		while (start >= drm_buddy_block_size(cur->mm, block)) {  in xe_res_next()
302 			start -= drm_buddy_block_size(cur->mm, block);  in xe_res_next()
308 		cur->start = drm_buddy_block_offset(block) + start;  in xe_res_next()
309 		cur->size = min(drm_buddy_block_size(cur->mm, block) - start,  in xe_res_next()
326 		return cur->dma_start + cur->start;  in xe_res_dma()
328 		return sg_dma_address(cur->sgl) + cur->start;  in xe_res_dma()
330 		return cur->start;  in xe_res_dma()