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| 1 | +// SPDX-License-Identifier: GPL-2.0 |
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| 1 | 2 | /* |
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| 2 | 3 | * Copyright (c) 2016 Christoph Hellwig. |
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| 3 | | - * |
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| 4 | | - * This program is free software; you can redistribute it and/or modify it |
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| 5 | | - * under the terms and conditions of the GNU General Public License, |
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| 6 | | - * version 2, as published by the Free Software Foundation. |
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| 7 | | - * |
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| 8 | | - * This program is distributed in the hope it will be useful, but WITHOUT |
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| 9 | | - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 10 | | - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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| 11 | | - * more details. |
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| 12 | 4 | */ |
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| 13 | 5 | #include <linux/device.h> |
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| 14 | 6 | #include <linux/blk-mq.h> |
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| .. | .. |
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| 19 | 11 | |
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| 20 | 12 | /** |
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| 21 | 13 | * blk_mq_virtio_map_queues - provide a default queue mapping for virtio device |
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| 22 | | - * @set: tagset to provide the mapping for |
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| 23 | | - * @vdev: virtio device associated with @set. |
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| 14 | + * @qmap: CPU to hardware queue map. |
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| 15 | + * @vdev: virtio device to provide a mapping for. |
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| 24 | 16 | * @first_vec: first interrupt vectors to use for queues (usually 0) |
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| 25 | 17 | * |
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| 26 | 18 | * This function assumes the virtio device @vdev has at least as many available |
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| 27 | | - * interrupt vetors as @set has queues. It will then queuery the vector |
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| 19 | + * interrupt vectors as @set has queues. It will then query the vector |
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| 28 | 20 | * corresponding to each queue for it's affinity mask and built queue mapping |
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| 29 | 21 | * that maps a queue to the CPUs that have irq affinity for the corresponding |
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| 30 | 22 | * vector. |
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| 31 | 23 | */ |
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| 32 | | -int blk_mq_virtio_map_queues(struct blk_mq_tag_set *set, |
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| 24 | +int blk_mq_virtio_map_queues(struct blk_mq_queue_map *qmap, |
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| 33 | 25 | struct virtio_device *vdev, int first_vec) |
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| 34 | 26 | { |
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| 35 | 27 | const struct cpumask *mask; |
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| .. | .. |
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| 38 | 30 | if (!vdev->config->get_vq_affinity) |
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| 39 | 31 | goto fallback; |
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| 40 | 32 | |
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| 41 | | - for (queue = 0; queue < set->nr_hw_queues; queue++) { |
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| 33 | + for (queue = 0; queue < qmap->nr_queues; queue++) { |
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| 42 | 34 | mask = vdev->config->get_vq_affinity(vdev, first_vec + queue); |
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| 43 | 35 | if (!mask) |
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| 44 | 36 | goto fallback; |
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| 45 | 37 | |
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| 46 | 38 | for_each_cpu(cpu, mask) |
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| 47 | | - set->mq_map[cpu] = queue; |
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| 39 | + qmap->mq_map[cpu] = qmap->queue_offset + queue; |
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| 48 | 40 | } |
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| 49 | 41 | |
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| 50 | 42 | return 0; |
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| 51 | 43 | fallback: |
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| 52 | | - return blk_mq_map_queues(set); |
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| 44 | + return blk_mq_map_queues(qmap); |
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| 53 | 45 | } |
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| 54 | 46 | EXPORT_SYMBOL_GPL(blk_mq_virtio_map_queues); |
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| 55 | 47 | |
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