33 void blk_queue_prep_rq(struct request_queue *q, prep_rq_fn *pfn)  in blk_queue_prep_rq()  argument
35 	q->prep_rq_fn = pfn;  in blk_queue_prep_rq()
50 void blk_queue_unprep_rq(struct request_queue *q, unprep_rq_fn *ufn)  in blk_queue_unprep_rq()  argument
52 	q->unprep_rq_fn = ufn;  in blk_queue_unprep_rq()
56 void blk_queue_softirq_done(struct request_queue *q, softirq_done_fn *fn)  in blk_queue_softirq_done()  argument
58 	q->softirq_done_fn = fn;  in blk_queue_softirq_done()
62 void blk_queue_rq_timeout(struct request_queue *q, unsigned int timeout)  in blk_queue_rq_timeout()  argument
64 	q->rq_timeout = timeout;  in blk_queue_rq_timeout()
68 void blk_queue_rq_timed_out(struct request_queue *q, rq_timed_out_fn *fn)  in blk_queue_rq_timed_out()  argument
70 	q->rq_timed_out_fn = fn;  in blk_queue_rq_timed_out()
74 void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn)  in blk_queue_lld_busy()  argument
76 	q->lld_busy_fn = fn;  in blk_queue_lld_busy()
158 void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)  in blk_queue_make_request()  argument
163 	q->nr_requests = BLKDEV_MAX_RQ;  in blk_queue_make_request()
165 	q->make_request_fn = mfn;  in blk_queue_make_request()
166 	blk_queue_dma_alignment(q, 511);  in blk_queue_make_request()
167 	blk_queue_congestion_threshold(q);  in blk_queue_make_request()
168 	q->nr_batching = BLK_BATCH_REQ;  in blk_queue_make_request()
170 	blk_set_default_limits(&q->limits);  in blk_queue_make_request()
175 	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);  in blk_queue_make_request()
190 void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr)  in blk_queue_bounce_limit()  argument
195 	q->bounce_gfp = GFP_NOIO;  in blk_queue_bounce_limit()
204 	q->limits.bounce_pfn = max(max_low_pfn, b_pfn);  in blk_queue_bounce_limit()
208 	q->limits.bounce_pfn = b_pfn;  in blk_queue_bounce_limit()
212 		q->bounce_gfp = GFP_NOIO | GFP_DMA;  in blk_queue_bounce_limit()
213 		q->limits.bounce_pfn = b_pfn;  in blk_queue_bounce_limit()
237 void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors)  in blk_queue_max_hw_sectors()  argument
239 	struct queue_limits *limits = &q->limits;  in blk_queue_max_hw_sectors()
268 void blk_queue_chunk_sectors(struct request_queue *q, unsigned int chunk_sectors)  in blk_queue_chunk_sectors()  argument
271 	q->limits.chunk_sectors = chunk_sectors;  in blk_queue_chunk_sectors()
280 void blk_queue_max_discard_sectors(struct request_queue *q,  in blk_queue_max_discard_sectors()  argument
283 	q->limits.max_hw_discard_sectors = max_discard_sectors;  in blk_queue_max_discard_sectors()
284 	q->limits.max_discard_sectors = max_discard_sectors;  in blk_queue_max_discard_sectors()
293 void blk_queue_max_write_same_sectors(struct request_queue *q,  in blk_queue_max_write_same_sectors()  argument
296 	q->limits.max_write_same_sectors = max_write_same_sectors;  in blk_queue_max_write_same_sectors()
309 void blk_queue_max_segments(struct request_queue *q, unsigned short max_segments)  in blk_queue_max_segments()  argument
317 	q->limits.max_segments = max_segments;  in blk_queue_max_segments()
330 void blk_queue_max_segment_size(struct request_queue *q, unsigned int max_size)  in blk_queue_max_segment_size()  argument
338 	q->limits.max_segment_size = max_size;  in blk_queue_max_segment_size()
352 void blk_queue_logical_block_size(struct request_queue *q, unsigned int size)  in blk_queue_logical_block_size()  argument
354 	q->limits.logical_block_size = size;  in blk_queue_logical_block_size()
356 	if (q->limits.physical_block_size < size)  in blk_queue_logical_block_size()
357 		q->limits.physical_block_size = size;  in blk_queue_logical_block_size()
359 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_logical_block_size()
360 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_logical_block_size()
374 void blk_queue_physical_block_size(struct request_queue *q, unsigned int size)  in blk_queue_physical_block_size()  argument
376 	q->limits.physical_block_size = size;  in blk_queue_physical_block_size()
378 	if (q->limits.physical_block_size < q->limits.logical_block_size)  in blk_queue_physical_block_size()
379 		q->limits.physical_block_size = q->limits.logical_block_size;  in blk_queue_physical_block_size()
381 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_physical_block_size()
382 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_physical_block_size()
397 void blk_queue_alignment_offset(struct request_queue *q, unsigned int offset)  in blk_queue_alignment_offset()  argument
399 	q->limits.alignment_offset =  in blk_queue_alignment_offset()
400 		offset & (q->limits.physical_block_size - 1);  in blk_queue_alignment_offset()
401 	q->limits.misaligned = 0;  in blk_queue_alignment_offset()
442 void blk_queue_io_min(struct request_queue *q, unsigned int min)  in blk_queue_io_min()  argument
444 	blk_limits_io_min(&q->limits, min);  in blk_queue_io_min()
480 void blk_queue_io_opt(struct request_queue *q, unsigned int opt)  in blk_queue_io_opt()  argument
482 	blk_limits_io_opt(&q->limits, opt);  in blk_queue_io_opt()
708 void blk_queue_dma_pad(struct request_queue *q, unsigned int mask)  in blk_queue_dma_pad()  argument
710 	q->dma_pad_mask = mask;  in blk_queue_dma_pad()
724 void blk_queue_update_dma_pad(struct request_queue *q, unsigned int mask)  in blk_queue_update_dma_pad()  argument
726 	if (mask > q->dma_pad_mask)  in blk_queue_update_dma_pad()
727 		q->dma_pad_mask = mask;  in blk_queue_update_dma_pad()
752 int blk_queue_dma_drain(struct request_queue *q,  in blk_queue_dma_drain()  argument
756 	if (queue_max_segments(q) < 2)  in blk_queue_dma_drain()
759 	blk_queue_max_segments(q, queue_max_segments(q) - 1);  in blk_queue_dma_drain()
760 	q->dma_drain_needed = dma_drain_needed;  in blk_queue_dma_drain()
761 	q->dma_drain_buffer = buf;  in blk_queue_dma_drain()
762 	q->dma_drain_size = size;  in blk_queue_dma_drain()
773 void blk_queue_segment_boundary(struct request_queue *q, unsigned long mask)  in blk_queue_segment_boundary()  argument
781 	q->limits.seg_boundary_mask = mask;  in blk_queue_segment_boundary()
790 void blk_queue_virt_boundary(struct request_queue *q, unsigned long mask)  in blk_queue_virt_boundary()  argument
792 	q->limits.virt_boundary_mask = mask;  in blk_queue_virt_boundary()
806 void blk_queue_dma_alignment(struct request_queue *q, int mask)  in blk_queue_dma_alignment()  argument
808 	q->dma_alignment = mask;  in blk_queue_dma_alignment()
826 void blk_queue_update_dma_alignment(struct request_queue *q, int mask)  in blk_queue_update_dma_alignment()  argument
830 	if (mask > q->dma_alignment)  in blk_queue_update_dma_alignment()
831 		q->dma_alignment = mask;  in blk_queue_update_dma_alignment()
844 void blk_queue_flush(struct request_queue *q, unsigned int flush)  in blk_queue_flush()  argument
851 	q->flush_flags = flush & (REQ_FLUSH | REQ_FUA);  in blk_queue_flush()
855 void blk_queue_flush_queueable(struct request_queue *q, bool queueable)  in blk_queue_flush_queueable()  argument
857 	q->flush_not_queueable = !queueable;  in blk_queue_flush_queueable()