| /Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/ |
| D | wq.h | 80 void *wqc, struct mlx5_wq_cyc *wq,
82 void mlx5_wq_cyc_wqe_dump(struct mlx5_wq_cyc *wq, u16 ix, u8 nstrides);
83 void mlx5_wq_cyc_reset(struct mlx5_wq_cyc *wq);
86 void *qpc, struct mlx5_wq_qp *wq,
90 void *cqc, struct mlx5_cqwq *wq,
94 void *wqc, struct mlx5_wq_ll *wq,
96 void mlx5_wq_ll_reset(struct mlx5_wq_ll *wq);
100 static inline u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq) in mlx5_wq_cyc_get_size() argument
102 return (u32)wq->fbc.sz_m1 + 1; in mlx5_wq_cyc_get_size()
105 static inline int mlx5_wq_cyc_is_full(struct mlx5_wq_cyc *wq) in mlx5_wq_cyc_is_full() argument
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| D | wq.c | 38 void *wqc, struct mlx5_wq_cyc *wq, in mlx5_wq_cyc_create() argument
41 u8 log_wq_stride = MLX5_GET(wq, wqc, log_wq_stride); in mlx5_wq_cyc_create()
42 u8 log_wq_sz = MLX5_GET(wq, wqc, log_wq_sz); in mlx5_wq_cyc_create()
43 struct mlx5_frag_buf_ctrl *fbc = &wq->fbc; in mlx5_wq_cyc_create()
52 wq->db = wq_ctrl->db.db; in mlx5_wq_cyc_create()
62 wq->sz = mlx5_wq_cyc_get_size(wq); in mlx5_wq_cyc_create()
74 void mlx5_wq_cyc_wqe_dump(struct mlx5_wq_cyc *wq, u16 ix, u8 nstrides) in mlx5_wq_cyc_wqe_dump() argument
84 len = nstrides << wq->fbc.log_stride; in mlx5_wq_cyc_wqe_dump()
85 wqe = mlx5_wq_cyc_get_wqe(wq, ix); in mlx5_wq_cyc_wqe_dump()
88 mlx5_wq_cyc_get_size(wq), wq->cur_sz, ix, len); in mlx5_wq_cyc_wqe_dump()
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| /Linux-v5.15/drivers/scsi/fnic/ |
| D | vnic_wq.c | 28 static int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_get_ctrl() argument
31 wq->ctrl = vnic_dev_get_res(vdev, res_type, index); in vnic_wq_get_ctrl()
33 if (!wq->ctrl) in vnic_wq_get_ctrl()
40 static int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_alloc_ring() argument
43 return vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size); in vnic_wq_alloc_ring()
47 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
50 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
54 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); in vnic_wq_alloc_bufs()
55 if (!wq->bufs[i]) { in vnic_wq_alloc_bufs()
62 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
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| D | vnic_wq_copy.h | 36 static inline unsigned int vnic_wq_copy_desc_avail(struct vnic_wq_copy *wq) in vnic_wq_copy_desc_avail() argument
38 return wq->ring.desc_avail; in vnic_wq_copy_desc_avail()
41 static inline unsigned int vnic_wq_copy_desc_in_use(struct vnic_wq_copy *wq) in vnic_wq_copy_desc_in_use() argument
43 return wq->ring.desc_count - 1 - wq->ring.desc_avail; in vnic_wq_copy_desc_in_use()
46 static inline void *vnic_wq_copy_next_desc(struct vnic_wq_copy *wq) in vnic_wq_copy_next_desc() argument
48 struct fcpio_host_req *desc = wq->ring.descs; in vnic_wq_copy_next_desc()
49 return &desc[wq->to_use_index]; in vnic_wq_copy_next_desc()
52 static inline void vnic_wq_copy_post(struct vnic_wq_copy *wq) in vnic_wq_copy_post() argument
55 ((wq->to_use_index + 1) == wq->ring.desc_count) ? in vnic_wq_copy_post()
56 (wq->to_use_index = 0) : (wq->to_use_index++); in vnic_wq_copy_post()
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| D | vnic_wq_copy.c | 25 void vnic_wq_copy_enable(struct vnic_wq_copy *wq) in vnic_wq_copy_enable() argument
27 iowrite32(1, &wq->ctrl->enable); in vnic_wq_copy_enable()
30 int vnic_wq_copy_disable(struct vnic_wq_copy *wq) in vnic_wq_copy_disable() argument
34 iowrite32(0, &wq->ctrl->enable); in vnic_wq_copy_disable()
38 if (!(ioread32(&wq->ctrl->running))) in vnic_wq_copy_disable()
45 wq->index, ioread32(&wq->ctrl->fetch_index), in vnic_wq_copy_disable()
46 ioread32(&wq->ctrl->posted_index)); in vnic_wq_copy_disable()
51 void vnic_wq_copy_clean(struct vnic_wq_copy *wq, in vnic_wq_copy_clean() argument
52 void (*q_clean)(struct vnic_wq_copy *wq, in vnic_wq_copy_clean() argument
55 BUG_ON(ioread32(&wq->ctrl->enable)); in vnic_wq_copy_clean()
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| D | vnic_wq.h | 98 static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) in vnic_wq_desc_avail() argument
101 return wq->ring.desc_avail; in vnic_wq_desc_avail()
104 static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) in vnic_wq_desc_used() argument
107 return wq->ring.desc_count - wq->ring.desc_avail - 1; in vnic_wq_desc_used()
110 static inline void *vnic_wq_next_desc(struct vnic_wq *wq) in vnic_wq_next_desc() argument
112 return wq->to_use->desc; in vnic_wq_next_desc()
115 static inline void vnic_wq_post(struct vnic_wq *wq, in vnic_wq_post() argument
119 struct vnic_wq_buf *buf = wq->to_use; in vnic_wq_post()
134 iowrite32(buf->index, &wq->ctrl->posted_index); in vnic_wq_post()
136 wq->to_use = buf; in vnic_wq_post()
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| /Linux-v5.15/drivers/net/ethernet/cisco/enic/ |
| D | vnic_wq.c | 31 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
34 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
38 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ(count), GFP_KERNEL); in vnic_wq_alloc_bufs()
39 if (!wq->bufs[i]) in vnic_wq_alloc_bufs()
44 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
47 buf->desc = (u8 *)wq->ring.descs + in vnic_wq_alloc_bufs()
48 wq->ring.desc_size * buf->index; in vnic_wq_alloc_bufs()
50 buf->next = wq->bufs[0]; in vnic_wq_alloc_bufs()
54 buf->next = wq->bufs[i + 1]; in vnic_wq_alloc_bufs()
64 wq->to_use = wq->to_clean = wq->bufs[0]; in vnic_wq_alloc_bufs()
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| D | vnic_wq.h | 99 struct vnic_wq wq; member
103 static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) in vnic_wq_desc_avail() argument
106 return wq->ring.desc_avail; in vnic_wq_desc_avail()
109 static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) in vnic_wq_desc_used() argument
112 return wq->ring.desc_count - wq->ring.desc_avail - 1; in vnic_wq_desc_used()
115 static inline void *vnic_wq_next_desc(struct vnic_wq *wq) in vnic_wq_next_desc() argument
117 return wq->to_use->desc; in vnic_wq_next_desc()
120 static inline void vnic_wq_doorbell(struct vnic_wq *wq) in vnic_wq_doorbell() argument
128 iowrite32(wq->to_use->index, &wq->ctrl->posted_index); in vnic_wq_doorbell()
131 static inline void vnic_wq_post(struct vnic_wq *wq, in vnic_wq_post() argument
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| /Linux-v5.15/drivers/scsi/snic/ |
| D | vnic_wq.c | 26 static inline int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_get_ctrl() argument
29 wq->ctrl = svnic_dev_get_res(vdev, res_type, index); in vnic_wq_get_ctrl()
30 if (!wq->ctrl) in vnic_wq_get_ctrl()
36 static inline int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_alloc_ring() argument
39 return svnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, in vnic_wq_alloc_ring()
43 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
46 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
50 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); in vnic_wq_alloc_bufs()
51 if (!wq->bufs[i]) { in vnic_wq_alloc_bufs()
59 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
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| D | vnic_wq.h | 85 static inline unsigned int svnic_wq_desc_avail(struct vnic_wq *wq) in svnic_wq_desc_avail() argument
88 return wq->ring.desc_avail; in svnic_wq_desc_avail()
91 static inline unsigned int svnic_wq_desc_used(struct vnic_wq *wq) in svnic_wq_desc_used() argument
94 return wq->ring.desc_count - wq->ring.desc_avail - 1; in svnic_wq_desc_used()
97 static inline void *svnic_wq_next_desc(struct vnic_wq *wq) in svnic_wq_next_desc() argument
99 return wq->to_use->desc; in svnic_wq_next_desc()
102 static inline void svnic_wq_post(struct vnic_wq *wq, in svnic_wq_post() argument
106 struct vnic_wq_buf *buf = wq->to_use; in svnic_wq_post()
121 iowrite32(buf->index, &wq->ctrl->posted_index); in svnic_wq_post()
123 wq->to_use = buf; in svnic_wq_post()
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| /Linux-v5.15/drivers/net/ethernet/huawei/hinic/ |
| D | hinic_hw_wq.c | 34 #define WQ_SIZE(wq) ((wq)->q_depth * (wq)->wqebb_size) argument
44 #define WQ_BASE_VADDR(wqs, wq) \ argument
45 ((void *)((wqs)->page_vaddr[(wq)->page_idx]) \
46 + (wq)->block_idx * WQ_BLOCK_SIZE)
48 #define WQ_BASE_PADDR(wqs, wq) \ argument
49 ((wqs)->page_paddr[(wq)->page_idx] \
50 + (wq)->block_idx * WQ_BLOCK_SIZE)
52 #define WQ_BASE_ADDR(wqs, wq) \ argument
53 ((void *)((wqs)->shadow_page_vaddr[(wq)->page_idx]) \
54 + (wq)->block_idx * WQ_BLOCK_SIZE)
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| /Linux-v5.15/drivers/dma/idxd/ |
| D | device.c | 19 static void idxd_wq_disable_cleanup(struct idxd_wq *wq);
66 static void free_hw_descs(struct idxd_wq *wq) in free_hw_descs() argument
70 for (i = 0; i < wq->num_descs; i++) in free_hw_descs()
71 kfree(wq->hw_descs[i]); in free_hw_descs()
73 kfree(wq->hw_descs); in free_hw_descs()
76 static int alloc_hw_descs(struct idxd_wq *wq, int num) in alloc_hw_descs() argument
78 struct device *dev = &wq->idxd->pdev->dev; in alloc_hw_descs()
82 wq->hw_descs = kcalloc_node(num, sizeof(struct dsa_hw_desc *), in alloc_hw_descs()
84 if (!wq->hw_descs) in alloc_hw_descs()
88 wq->hw_descs[i] = kzalloc_node(sizeof(*wq->hw_descs[i]), in alloc_hw_descs()
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| D | cdev.c | 35 struct idxd_wq *wq; member
46 struct idxd_wq *wq = idxd_cdev->wq; in idxd_cdev_dev_release() local
48 cdev_ctx = &ictx[wq->idxd->data->type]; in idxd_cdev_dev_release()
69 return idxd_cdev->wq; in inode_wq()
76 struct idxd_wq *wq; in idxd_cdev_open() local
82 wq = inode_wq(inode); in idxd_cdev_open()
83 idxd = wq->idxd; in idxd_cdev_open()
86 dev_dbg(dev, "%s called: %d\n", __func__, idxd_wq_refcount(wq)); in idxd_cdev_open()
92 mutex_lock(&wq->wq_lock); in idxd_cdev_open()
94 if (idxd_wq_refcount(wq) > 0 && wq_dedicated(wq)) { in idxd_cdev_open()
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| D | dma.c | 20 return idxd_chan->wq; in to_idxd_wq()
62 static inline void idxd_prep_desc_common(struct idxd_wq *wq, in idxd_prep_desc_common() argument
84 struct idxd_wq *wq = to_idxd_wq(c); in idxd_dma_submit_memcpy() local
86 struct idxd_device *idxd = wq->idxd; in idxd_dma_submit_memcpy()
89 if (wq->state != IDXD_WQ_ENABLED) in idxd_dma_submit_memcpy()
96 desc = idxd_alloc_desc(wq, IDXD_OP_BLOCK); in idxd_dma_submit_memcpy()
100 idxd_prep_desc_common(wq, desc->hw, DSA_OPCODE_MEMMOVE, in idxd_dma_submit_memcpy()
111 struct idxd_wq *wq = to_idxd_wq(chan); in idxd_dma_alloc_chan_resources() local
112 struct device *dev = &wq->idxd->pdev->dev; in idxd_dma_alloc_chan_resources()
114 idxd_wq_get(wq); in idxd_dma_alloc_chan_resources()
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| D | submit.c | 11 static struct idxd_desc *__get_desc(struct idxd_wq *wq, int idx, int cpu) in __get_desc() argument
14 struct idxd_device *idxd = wq->idxd; in __get_desc()
16 desc = wq->descs[idx]; in __get_desc()
29 desc->hw->int_handle = wq->id + 1; in __get_desc()
31 desc->hw->int_handle = idxd->int_handles[wq->id]; in __get_desc()
36 struct idxd_desc *idxd_alloc_desc(struct idxd_wq *wq, enum idxd_op_type optype) in idxd_alloc_desc() argument
39 struct idxd_device *idxd = wq->idxd; in idxd_alloc_desc()
47 sbq = &wq->sbq; in idxd_alloc_desc()
53 return __get_desc(wq, idx, cpu); in idxd_alloc_desc()
71 return __get_desc(wq, idx, cpu); in idxd_alloc_desc()
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| D | idxd.h | 138 struct idxd_wq *wq; member
161 struct idxd_wq *wq; member
294 struct workqueue_struct *wq; member
319 struct idxd_wq *wq; member
331 #define wq_confdev(wq) &wq->idxd_dev.conf_dev argument
415 static inline bool is_idxd_wq_dmaengine(struct idxd_wq *wq) in is_idxd_wq_dmaengine() argument
417 if (wq->type == IDXD_WQT_KERNEL && strcmp(wq->name, "dmaengine") == 0) in is_idxd_wq_dmaengine()
422 static inline bool is_idxd_wq_user(struct idxd_wq *wq) in is_idxd_wq_user() argument
424 return wq->type == IDXD_WQT_USER; in is_idxd_wq_user()
427 static inline bool is_idxd_wq_kernel(struct idxd_wq *wq) in is_idxd_wq_kernel() argument
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| /Linux-v5.15/fs/autofs/ |
| D | waitq.c | 17 struct autofs_wait_queue *wq, *nwq; in autofs_catatonic_mode() local
28 wq = sbi->queues; in autofs_catatonic_mode()
30 while (wq) { in autofs_catatonic_mode()
31 nwq = wq->next; in autofs_catatonic_mode()
32 wq->status = -ENOENT; /* Magic is gone - report failure */ in autofs_catatonic_mode()
33 kfree(wq->name.name - wq->offset); in autofs_catatonic_mode()
34 wq->name.name = NULL; in autofs_catatonic_mode()
35 wq->wait_ctr--; in autofs_catatonic_mode()
36 wake_up_interruptible(&wq->queue); in autofs_catatonic_mode()
37 wq = nwq; in autofs_catatonic_mode()
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| /Linux-v5.15/fs/btrfs/ |
| D | async-thread.c | 56 struct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct __btrfs_workqueue *wq) in btrfs_workqueue_owner() argument
58 return wq->fs_info; in btrfs_workqueue_owner()
63 return work->wq->fs_info; in btrfs_work_owner()
66 bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq) in btrfs_workqueue_normal_congested() argument
74 if (wq->normal->thresh == NO_THRESHOLD) in btrfs_workqueue_normal_congested()
77 return atomic_read(&wq->normal->pending) > wq->normal->thresh * 2; in btrfs_workqueue_normal_congested()
127 __btrfs_destroy_workqueue(struct __btrfs_workqueue *wq);
165 static inline void thresh_queue_hook(struct __btrfs_workqueue *wq) in thresh_queue_hook() argument
167 if (wq->thresh == NO_THRESHOLD) in thresh_queue_hook()
169 atomic_inc(&wq->pending); in thresh_queue_hook()
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| /Linux-v5.15/Documentation/translations/zh_CN/core-api/ |
| D | workqueue.rst | 24 在很多情况下，需要一个异步进程的执行环境，工作队列（wq）API是这种情况下
39 在最初的wq实现中，多线程（MT）wq在每个CPU上有一个工作者线程，而单线程
40 （ST）wq在全系统有一个工作者线程。一个MT wq需要保持与CPU数量相同的工
41 作者数量。这些年来，内核增加了很多MT wq的用户，随着CPU核心数量的不断
44 尽管MT wq浪费了大量的资源，但所提供的并发性水平却不能令人满意。这个限
45 制在ST和MT wq中都有，只是在MT中没有那么严重。每个wq都保持着自己独立的
46 工作者池。一个MT wq只能为每个CPU提供一个执行环境，而一个ST wq则为整个
50 (MT wq)所提供的并发性水平和资源使用之间的矛盾也迫使其用户做出不必要的权衡，比
51 如libata选择使用ST wq来轮询PIO，并接受一个不必要的限制，即没有两个轮
52 询PIO可以同时进行。由于MT wq并没有提供更好的并发性，需要更高层次的并
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| /Linux-v5.15/kernel/ |
| D | workqueue.c | 202 struct workqueue_struct *wq; /* I: the owning workqueue */ member
376 static void workqueue_sysfs_unregister(struct workqueue_struct *wq);
387 #define assert_rcu_or_wq_mutex_or_pool_mutex(wq) \ argument
389 !lockdep_is_held(&wq->mutex) && \
442 #define for_each_pwq(pwq, wq) \ argument
443 list_for_each_entry_rcu((pwq), &(wq)->pwqs, pwqs_node, \
444 lockdep_is_held(&(wq->mutex)))
577 static struct pool_workqueue *unbound_pwq_by_node(struct workqueue_struct *wq, in unbound_pwq_by_node() argument
580 assert_rcu_or_wq_mutex_or_pool_mutex(wq); in unbound_pwq_by_node()
589 return wq->dfl_pwq; in unbound_pwq_by_node()
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| /Linux-v5.15/include/linux/ |
| D | swait.h | 121 static inline int swait_active(struct swait_queue_head *wq) in swait_active() argument
123 return !list_empty(&wq->task_list); in swait_active()
134 static inline bool swq_has_sleeper(struct swait_queue_head *wq) in swq_has_sleeper() argument
144 return swait_active(wq); in swq_has_sleeper()
158 #define ___swait_event(wq, condition, state, ret, cmd) \ argument
166 long __int = prepare_to_swait_event(&wq, &__wait, state);\
178 finish_swait(&wq, &__wait); \
182 #define __swait_event(wq, condition) \ argument
183 (void)___swait_event(wq, condition, TASK_UNINTERRUPTIBLE, 0, \
186 #define swait_event_exclusive(wq, condition) \ argument
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| /Linux-v5.15/drivers/infiniband/hw/cxgb4/ |
| D | t4.h | 480 static inline int t4_rqes_posted(struct t4_wq *wq) in t4_rqes_posted() argument
482 return wq->rq.in_use; in t4_rqes_posted()
485 static inline int t4_rq_empty(struct t4_wq *wq) in t4_rq_empty() argument
487 return wq->rq.in_use == 0; in t4_rq_empty()
490 static inline u32 t4_rq_avail(struct t4_wq *wq) in t4_rq_avail() argument
492 return wq->rq.size - 1 - wq->rq.in_use; in t4_rq_avail()
495 static inline void t4_rq_produce(struct t4_wq *wq, u8 len16) in t4_rq_produce() argument
497 wq->rq.in_use++; in t4_rq_produce()
498 if (++wq->rq.pidx == wq->rq.size) in t4_rq_produce()
499 wq->rq.pidx = 0; in t4_rq_produce()
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| D | qp.c | 150 static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, in destroy_qp() argument
157 dealloc_sq(rdev, &wq->sq); in destroy_qp()
158 kfree(wq->sq.sw_sq); in destroy_qp()
159 c4iw_put_qpid(rdev, wq->sq.qid, uctx); in destroy_qp()
163 wq->rq.memsize, wq->rq.queue, in destroy_qp()
164 dma_unmap_addr(&wq->rq, mapping)); in destroy_qp()
165 c4iw_rqtpool_free(rdev, wq->rq.rqt_hwaddr, wq->rq.rqt_size); in destroy_qp()
166 kfree(wq->rq.sw_rq); in destroy_qp()
167 c4iw_put_qpid(rdev, wq->rq.qid, uctx); in destroy_qp()
199 static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, in create_qp() argument
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| D | cq.c | 184 static void insert_recv_cqe(struct t4_wq *wq, struct t4_cq *cq, u32 srqidx) in insert_recv_cqe() argument
189 wq, cq, cq->sw_cidx, cq->sw_pidx); in insert_recv_cqe()
195 CQE_QPID_V(wq->sq.qid)); in insert_recv_cqe()
203 int c4iw_flush_rq(struct t4_wq *wq, struct t4_cq *cq, int count) in c4iw_flush_rq() argument
206 int in_use = wq->rq.in_use - count; in c4iw_flush_rq()
209 wq, cq, wq->rq.in_use, count); in c4iw_flush_rq()
211 insert_recv_cqe(wq, cq, 0); in c4iw_flush_rq()
217 static void insert_sq_cqe(struct t4_wq *wq, struct t4_cq *cq, in insert_sq_cqe() argument
223 wq, cq, cq->sw_cidx, cq->sw_pidx); in insert_sq_cqe()
229 CQE_QPID_V(wq->sq.qid)); in insert_sq_cqe()
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| /Linux-v5.15/fs/ |
| D | io-wq.c | 101 struct io_wq *wq; member
138 static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index);
171 static void io_worker_ref_put(struct io_wq *wq) in io_worker_ref_put() argument
173 if (atomic_dec_and_test(&wq->worker_refs)) in io_worker_ref_put()
174 complete(&wq->worker_done); in io_worker_ref_put()
197 io_worker_ref_put(wqe->wq); in io_worker_exit()
263 atomic_inc(&wqe->wq->worker_refs); in io_wqe_create_worker()
264 return create_io_worker(wqe->wq, wqe, acct->index); in io_wqe_create_worker()
277 struct io_wq *wq; in create_worker_cb() local
284 wq = wqe->wq; in create_worker_cb()
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