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()
72 void blk_queue_merge_bvec(struct request_queue *q, merge_bvec_fn *mbfn)  in blk_queue_merge_bvec()  argument
74 	q->merge_bvec_fn = mbfn;  in blk_queue_merge_bvec()
78 void blk_queue_softirq_done(struct request_queue *q, softirq_done_fn *fn)  in blk_queue_softirq_done()  argument
80 	q->softirq_done_fn = fn;  in blk_queue_softirq_done()
84 void blk_queue_rq_timeout(struct request_queue *q, unsigned int timeout)  in blk_queue_rq_timeout()  argument
86 	q->rq_timeout = timeout;  in blk_queue_rq_timeout()
90 void blk_queue_rq_timed_out(struct request_queue *q, rq_timed_out_fn *fn)  in blk_queue_rq_timed_out()  argument
92 	q->rq_timed_out_fn = fn;  in blk_queue_rq_timed_out()
96 void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn)  in blk_queue_lld_busy()  argument
98 	q->lld_busy_fn = fn;  in blk_queue_lld_busy()
176 void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)  in blk_queue_make_request()  argument
181 	q->nr_requests = BLKDEV_MAX_RQ;  in blk_queue_make_request()
183 	q->make_request_fn = mfn;  in blk_queue_make_request()
184 	blk_queue_dma_alignment(q, 511);  in blk_queue_make_request()
185 	blk_queue_congestion_threshold(q);  in blk_queue_make_request()
186 	q->nr_batching = BLK_BATCH_REQ;  in blk_queue_make_request()
188 	blk_set_default_limits(&q->limits);  in blk_queue_make_request()
193 	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);  in blk_queue_make_request()
208 void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr)  in blk_queue_bounce_limit()  argument
213 	q->bounce_gfp = GFP_NOIO;  in blk_queue_bounce_limit()
222 	q->limits.bounce_pfn = max(max_low_pfn, b_pfn);  in blk_queue_bounce_limit()
226 	q->limits.bounce_pfn = b_pfn;  in blk_queue_bounce_limit()
230 		q->bounce_gfp = GFP_NOIO | GFP_DMA;  in blk_queue_bounce_limit()
231 		q->limits.bounce_pfn = b_pfn;  in blk_queue_bounce_limit()
272 void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors)  in blk_queue_max_hw_sectors()  argument
274 	blk_limits_max_hw_sectors(&q->limits, max_hw_sectors);  in blk_queue_max_hw_sectors()
291 void blk_queue_chunk_sectors(struct request_queue *q, unsigned int chunk_sectors)  in blk_queue_chunk_sectors()  argument
294 	q->limits.chunk_sectors = chunk_sectors;  in blk_queue_chunk_sectors()
303 void blk_queue_max_discard_sectors(struct request_queue *q,  in blk_queue_max_discard_sectors()  argument
306 	q->limits.max_discard_sectors = max_discard_sectors;  in blk_queue_max_discard_sectors()
315 void blk_queue_max_write_same_sectors(struct request_queue *q,  in blk_queue_max_write_same_sectors()  argument
318 	q->limits.max_write_same_sectors = max_write_same_sectors;  in blk_queue_max_write_same_sectors()
331 void blk_queue_max_segments(struct request_queue *q, unsigned short max_segments)  in blk_queue_max_segments()  argument
339 	q->limits.max_segments = max_segments;  in blk_queue_max_segments()
352 void blk_queue_max_segment_size(struct request_queue *q, unsigned int max_size)  in blk_queue_max_segment_size()  argument
360 	q->limits.max_segment_size = max_size;  in blk_queue_max_segment_size()
374 void blk_queue_logical_block_size(struct request_queue *q, unsigned short size)  in blk_queue_logical_block_size()  argument
376 	q->limits.logical_block_size = size;  in blk_queue_logical_block_size()
378 	if (q->limits.physical_block_size < size)  in blk_queue_logical_block_size()
379 		q->limits.physical_block_size = size;  in blk_queue_logical_block_size()
381 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_logical_block_size()
382 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_logical_block_size()
396 void blk_queue_physical_block_size(struct request_queue *q, unsigned int size)  in blk_queue_physical_block_size()  argument
398 	q->limits.physical_block_size = size;  in blk_queue_physical_block_size()
400 	if (q->limits.physical_block_size < q->limits.logical_block_size)  in blk_queue_physical_block_size()
401 		q->limits.physical_block_size = q->limits.logical_block_size;  in blk_queue_physical_block_size()
403 	if (q->limits.io_min < q->limits.physical_block_size)  in blk_queue_physical_block_size()
404 		q->limits.io_min = q->limits.physical_block_size;  in blk_queue_physical_block_size()
419 void blk_queue_alignment_offset(struct request_queue *q, unsigned int offset)  in blk_queue_alignment_offset()  argument
421 	q->limits.alignment_offset =  in blk_queue_alignment_offset()
422 		offset & (q->limits.physical_block_size - 1);  in blk_queue_alignment_offset()
423 	q->limits.misaligned = 0;  in blk_queue_alignment_offset()
464 void blk_queue_io_min(struct request_queue *q, unsigned int min)  in blk_queue_io_min()  argument
466 	blk_limits_io_min(&q->limits, min);  in blk_queue_io_min()
502 void blk_queue_io_opt(struct request_queue *q, unsigned int opt)  in blk_queue_io_opt()  argument
504 	blk_limits_io_opt(&q->limits, opt);  in blk_queue_io_opt()
713 void blk_queue_dma_pad(struct request_queue *q, unsigned int mask)  in blk_queue_dma_pad()  argument
715 	q->dma_pad_mask = mask;  in blk_queue_dma_pad()
729 void blk_queue_update_dma_pad(struct request_queue *q, unsigned int mask)  in blk_queue_update_dma_pad()  argument
731 	if (mask > q->dma_pad_mask)  in blk_queue_update_dma_pad()
732 		q->dma_pad_mask = mask;  in blk_queue_update_dma_pad()
757 int blk_queue_dma_drain(struct request_queue *q,  in blk_queue_dma_drain()  argument
761 	if (queue_max_segments(q) < 2)  in blk_queue_dma_drain()
764 	blk_queue_max_segments(q, queue_max_segments(q) - 1);  in blk_queue_dma_drain()
765 	q->dma_drain_needed = dma_drain_needed;  in blk_queue_dma_drain()
766 	q->dma_drain_buffer = buf;  in blk_queue_dma_drain()
767 	q->dma_drain_size = size;  in blk_queue_dma_drain()
778 void blk_queue_segment_boundary(struct request_queue *q, unsigned long mask)  in blk_queue_segment_boundary()  argument
786 	q->limits.seg_boundary_mask = mask;  in blk_queue_segment_boundary()
800 void blk_queue_dma_alignment(struct request_queue *q, int mask)  in blk_queue_dma_alignment()  argument
802 	q->dma_alignment = mask;  in blk_queue_dma_alignment()
820 void blk_queue_update_dma_alignment(struct request_queue *q, int mask)  in blk_queue_update_dma_alignment()  argument
824 	if (mask > q->dma_alignment)  in blk_queue_update_dma_alignment()
825 		q->dma_alignment = mask;  in blk_queue_update_dma_alignment()
838 void blk_queue_flush(struct request_queue *q, unsigned int flush)  in blk_queue_flush()  argument
845 	q->flush_flags = flush & (REQ_FLUSH | REQ_FUA);  in blk_queue_flush()
849 void blk_queue_flush_queueable(struct request_queue *q, bool queueable)  in blk_queue_flush_queueable()  argument
851 	q->flush_not_queueable = !queueable;  in blk_queue_flush_queueable()