| /linux-6.6.21/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-6.6.21/drivers/scsi/fnic/ |
| D | vnic_wq.c | 16 static int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_get_ctrl() argument
19 wq->ctrl = vnic_dev_get_res(vdev, res_type, index); in vnic_wq_get_ctrl()
21 if (!wq->ctrl) in vnic_wq_get_ctrl()
28 static int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_alloc_ring() argument
31 return vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size); in vnic_wq_alloc_ring()
35 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
38 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
42 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); in vnic_wq_alloc_bufs()
43 if (!wq->bufs[i]) { in vnic_wq_alloc_bufs()
50 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
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| D | vnic_wq_copy.h | 24 static inline unsigned int vnic_wq_copy_desc_avail(struct vnic_wq_copy *wq) in vnic_wq_copy_desc_avail() argument
26 return wq->ring.desc_avail; in vnic_wq_copy_desc_avail()
29 static inline unsigned int vnic_wq_copy_desc_in_use(struct vnic_wq_copy *wq) in vnic_wq_copy_desc_in_use() argument
31 return wq->ring.desc_count - 1 - wq->ring.desc_avail; in vnic_wq_copy_desc_in_use()
34 static inline void *vnic_wq_copy_next_desc(struct vnic_wq_copy *wq) in vnic_wq_copy_next_desc() argument
36 struct fcpio_host_req *desc = wq->ring.descs; in vnic_wq_copy_next_desc()
37 return &desc[wq->to_use_index]; in vnic_wq_copy_next_desc()
40 static inline void vnic_wq_copy_post(struct vnic_wq_copy *wq) in vnic_wq_copy_post() argument
43 ((wq->to_use_index + 1) == wq->ring.desc_count) ? in vnic_wq_copy_post()
44 (wq->to_use_index = 0) : (wq->to_use_index++); in vnic_wq_copy_post()
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| D | vnic_wq_copy.c | 13 void vnic_wq_copy_enable(struct vnic_wq_copy *wq) in vnic_wq_copy_enable() argument
15 iowrite32(1, &wq->ctrl->enable); in vnic_wq_copy_enable()
18 int vnic_wq_copy_disable(struct vnic_wq_copy *wq) in vnic_wq_copy_disable() argument
22 iowrite32(0, &wq->ctrl->enable); in vnic_wq_copy_disable()
26 if (!(ioread32(&wq->ctrl->running))) in vnic_wq_copy_disable()
33 wq->index, ioread32(&wq->ctrl->fetch_index), in vnic_wq_copy_disable()
34 ioread32(&wq->ctrl->posted_index)); in vnic_wq_copy_disable()
39 void vnic_wq_copy_clean(struct vnic_wq_copy *wq, in vnic_wq_copy_clean() argument
40 void (*q_clean)(struct vnic_wq_copy *wq, in vnic_wq_copy_clean() argument
43 BUG_ON(ioread32(&wq->ctrl->enable)); in vnic_wq_copy_clean()
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| D | vnic_wq.h | 86 static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) in vnic_wq_desc_avail() argument
89 return wq->ring.desc_avail; in vnic_wq_desc_avail()
92 static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) in vnic_wq_desc_used() argument
95 return wq->ring.desc_count - wq->ring.desc_avail - 1; in vnic_wq_desc_used()
98 static inline void *vnic_wq_next_desc(struct vnic_wq *wq) in vnic_wq_next_desc() argument
100 return wq->to_use->desc; in vnic_wq_next_desc()
103 static inline void vnic_wq_post(struct vnic_wq *wq, in vnic_wq_post() argument
107 struct vnic_wq_buf *buf = wq->to_use; in vnic_wq_post()
122 iowrite32(buf->index, &wq->ctrl->posted_index); in vnic_wq_post()
124 wq->to_use = buf; in vnic_wq_post()
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| /linux-6.6.21/drivers/net/ethernet/cisco/enic/ |
| D | vnic_wq.c | 18 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
21 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
25 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ(count), GFP_KERNEL); in vnic_wq_alloc_bufs()
26 if (!wq->bufs[i]) in vnic_wq_alloc_bufs()
31 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
34 buf->desc = (u8 *)wq->ring.descs + in vnic_wq_alloc_bufs()
35 wq->ring.desc_size * buf->index; in vnic_wq_alloc_bufs()
37 buf->next = wq->bufs[0]; in vnic_wq_alloc_bufs()
41 buf->next = wq->bufs[i + 1]; in vnic_wq_alloc_bufs()
51 wq->to_use = wq->to_clean = wq->bufs[0]; in vnic_wq_alloc_bufs()
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| D | vnic_wq.h | 86 struct vnic_wq wq; member
90 static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) in vnic_wq_desc_avail() argument
93 return wq->ring.desc_avail; in vnic_wq_desc_avail()
96 static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) in vnic_wq_desc_used() argument
99 return wq->ring.desc_count - wq->ring.desc_avail - 1; in vnic_wq_desc_used()
102 static inline void *vnic_wq_next_desc(struct vnic_wq *wq) in vnic_wq_next_desc() argument
104 return wq->to_use->desc; in vnic_wq_next_desc()
107 static inline void vnic_wq_doorbell(struct vnic_wq *wq) in vnic_wq_doorbell() argument
115 iowrite32(wq->to_use->index, &wq->ctrl->posted_index); in vnic_wq_doorbell()
118 static inline void vnic_wq_post(struct vnic_wq *wq, in vnic_wq_post() argument
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| /linux-6.6.21/drivers/scsi/snic/ |
| D | vnic_wq.c | 12 static inline int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_get_ctrl() argument
15 wq->ctrl = svnic_dev_get_res(vdev, res_type, index); in vnic_wq_get_ctrl()
16 if (!wq->ctrl) in vnic_wq_get_ctrl()
22 static inline int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, in vnic_wq_alloc_ring() argument
25 return svnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, in vnic_wq_alloc_ring()
29 static int vnic_wq_alloc_bufs(struct vnic_wq *wq) in vnic_wq_alloc_bufs() argument
32 unsigned int i, j, count = wq->ring.desc_count; in vnic_wq_alloc_bufs()
36 wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); in vnic_wq_alloc_bufs()
37 if (!wq->bufs[i]) { in vnic_wq_alloc_bufs()
45 buf = wq->bufs[i]; in vnic_wq_alloc_bufs()
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| D | vnic_wq.h | 71 static inline unsigned int svnic_wq_desc_avail(struct vnic_wq *wq) in svnic_wq_desc_avail() argument
74 return wq->ring.desc_avail; in svnic_wq_desc_avail()
77 static inline unsigned int svnic_wq_desc_used(struct vnic_wq *wq) in svnic_wq_desc_used() argument
80 return wq->ring.desc_count - wq->ring.desc_avail - 1; in svnic_wq_desc_used()
83 static inline void *svnic_wq_next_desc(struct vnic_wq *wq) in svnic_wq_next_desc() argument
85 return wq->to_use->desc; in svnic_wq_next_desc()
88 static inline void svnic_wq_post(struct vnic_wq *wq, in svnic_wq_post() argument
92 struct vnic_wq_buf *buf = wq->to_use; in svnic_wq_post()
107 iowrite32(buf->index, &wq->ctrl->posted_index); in svnic_wq_post()
109 wq->to_use = buf; in svnic_wq_post()
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| /linux-6.6.21/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-6.6.21/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 wake_up(&wq->queue); in autofs_catatonic_mode()
36 if (!--wq->wait_ctr) in autofs_catatonic_mode()
37 kfree(wq); in autofs_catatonic_mode()
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| /linux-6.6.21/fs/btrfs/ |
| D | async-thread.c | 50 struct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct btrfs_workqueue *wq) in btrfs_workqueue_owner() argument
52 return wq->fs_info; in btrfs_workqueue_owner()
57 return work->wq->fs_info; in btrfs_work_owner()
60 bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq) in btrfs_workqueue_normal_congested() argument
68 if (wq->thresh == NO_THRESHOLD) in btrfs_workqueue_normal_congested()
71 return atomic_read(&wq->pending) > wq->thresh * 2; in btrfs_workqueue_normal_congested()
74 static void btrfs_init_workqueue(struct btrfs_workqueue *wq, in btrfs_init_workqueue() argument
77 wq->fs_info = fs_info; in btrfs_init_workqueue()
78 atomic_set(&wq->pending, 0); in btrfs_init_workqueue()
79 INIT_LIST_HEAD(&wq->ordered_list); in btrfs_init_workqueue()
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| /linux-6.6.21/io_uring/ |
| D | io-wq.c | 51 struct io_wq *wq; member
136 static bool create_io_worker(struct io_wq *wq, int index);
138 static bool io_acct_cancel_pending_work(struct io_wq *wq,
142 static void io_wq_cancel_tw_create(struct io_wq *wq);
155 static inline struct io_wq_acct *io_get_acct(struct io_wq *wq, bool bound) in io_get_acct() argument
157 return &wq->acct[bound ? IO_WQ_ACCT_BOUND : IO_WQ_ACCT_UNBOUND]; in io_get_acct()
160 static inline struct io_wq_acct *io_work_get_acct(struct io_wq *wq, in io_work_get_acct() argument
163 return io_get_acct(wq, !(work->flags & IO_WQ_WORK_UNBOUND)); in io_work_get_acct()
168 return io_get_acct(worker->wq, worker->flags & IO_WORKER_F_BOUND); in io_wq_get_acct()
171 static void io_worker_ref_put(struct io_wq *wq) in io_worker_ref_put() argument
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| /linux-6.6.21/drivers/dma/idxd/ |
| D | device.c | 18 static void idxd_wq_disable_cleanup(struct idxd_wq *wq);
41 static void free_hw_descs(struct idxd_wq *wq) in free_hw_descs() argument
45 for (i = 0; i < wq->num_descs; i++) in free_hw_descs()
46 kfree(wq->hw_descs[i]); in free_hw_descs()
48 kfree(wq->hw_descs); in free_hw_descs()
51 static int alloc_hw_descs(struct idxd_wq *wq, int num) in alloc_hw_descs() argument
53 struct device *dev = &wq->idxd->pdev->dev; in alloc_hw_descs()
57 wq->hw_descs = kcalloc_node(num, sizeof(struct dsa_hw_desc *), in alloc_hw_descs()
59 if (!wq->hw_descs) in alloc_hw_descs()
63 wq->hw_descs[i] = kzalloc_node(sizeof(*wq->hw_descs[i]), in alloc_hw_descs()
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| D | cdev.c | 43 struct idxd_wq *wq; member
55 static void idxd_cdev_evl_drain_pasid(struct idxd_wq *wq, u32 pasid);
101 struct idxd_wq *wq = ctx->wq; in cdev_file_attr_visible() local
103 if (!wq_pasid_enabled(wq)) in cdev_file_attr_visible()
122 struct idxd_wq *wq = ctx->wq; in idxd_file_dev_release() local
123 struct idxd_device *idxd = wq->idxd; in idxd_file_dev_release()
131 if (wq_shared(wq)) { in idxd_file_dev_release()
136 rc = idxd_wq_disable_pasid(wq); in idxd_file_dev_release()
140 idxd_wq_drain(wq); in idxd_file_dev_release()
145 idxd_cdev_evl_drain_pasid(wq, ctx->pasid); in idxd_file_dev_release()
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| D | dma.c | 20 return idxd_chan->wq; in to_idxd_wq()
27 struct idxd_device *idxd = desc->wq->idxd; in idxd_dma_complete_txd()
56 idxd_free_desc(desc->wq, desc); in idxd_dma_complete_txd()
66 static inline void idxd_prep_desc_common(struct idxd_wq *wq, in idxd_prep_desc_common() argument
88 struct idxd_wq *wq = to_idxd_wq(c); in idxd_dma_prep_interrupt() local
92 if (wq->state != IDXD_WQ_ENABLED) in idxd_dma_prep_interrupt()
96 desc = idxd_alloc_desc(wq, IDXD_OP_BLOCK); in idxd_dma_prep_interrupt()
100 idxd_prep_desc_common(wq, desc->hw, DSA_OPCODE_NOOP, in idxd_dma_prep_interrupt()
110 struct idxd_wq *wq = to_idxd_wq(c); in idxd_dma_submit_memcpy() local
112 struct idxd_device *idxd = wq->idxd; in idxd_dma_submit_memcpy()
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| D | idxd.h | 156 struct idxd_wq *wq; member
183 struct idxd_wq *wq; member
196 struct workqueue_struct *wq; member
295 struct idxd_wq *wq; member
352 struct workqueue_struct *wq; member
393 struct idxd_wq *wq; member
405 #define wq_confdev(wq) &wq->idxd_dev.conf_dev argument
514 static inline bool is_idxd_wq_dmaengine(struct idxd_wq *wq) in is_idxd_wq_dmaengine() argument
516 if (wq->type == IDXD_WQT_KERNEL && strcmp(wq->name, "dmaengine") == 0) in is_idxd_wq_dmaengine()
521 static inline bool is_idxd_wq_user(struct idxd_wq *wq) in is_idxd_wq_user() argument
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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()
27 struct idxd_desc *idxd_alloc_desc(struct idxd_wq *wq, enum idxd_op_type optype) in idxd_alloc_desc() argument
30 struct idxd_device *idxd = wq->idxd; in idxd_alloc_desc()
38 sbq = &wq->sbq; in idxd_alloc_desc()
44 return __get_desc(wq, idx, cpu); in idxd_alloc_desc()
62 return __get_desc(wq, idx, cpu); in idxd_alloc_desc()
65 void idxd_free_desc(struct idxd_wq *wq, struct idxd_desc *desc) in idxd_free_desc() argument
70 sbitmap_queue_clear(&wq->sbq, desc->id, cpu); in idxd_free_desc()
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| /linux-6.6.21/Documentation/translations/zh_CN/core-api/ |
| D | workqueue.rst | 25 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
40 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
41 （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
42 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
45 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
46 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
47 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
51 (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
52 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
53 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-6.6.21/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-6.6.21/kernel/ |
| D | workqueue.c | 229 struct workqueue_struct *wq; /* I: the owning workqueue */ member
439 static void workqueue_sysfs_unregister(struct workqueue_struct *wq);
451 #define assert_rcu_or_wq_mutex_or_pool_mutex(wq) \ argument
453 !lockdep_is_held(&wq->mutex) && \
506 #define for_each_pwq(pwq, wq) \ argument
507 list_for_each_entry_rcu((pwq), &(wq)->pwqs, pwqs_node, \
508 lockdep_is_held(&(wq->mutex)))
1511 if (atomic_dec_and_test(&pwq->wq->nr_pwqs_to_flush)) in pwq_dec_nr_in_flight()
1512 complete(&pwq->wq->first_flusher->done); in pwq_dec_nr_in_flight()
1659 static bool is_chained_work(struct workqueue_struct *wq) in is_chained_work() argument
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| /linux-6.6.21/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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| /linux-6.6.21/drivers/infiniband/hw/mana/ |
| D | wq.c | 15 struct mana_ib_wq *wq; in mana_ib_create_wq() local
29 wq = kzalloc(sizeof(*wq), GFP_KERNEL); in mana_ib_create_wq()
30 if (!wq) in mana_ib_create_wq()
44 wq->umem = umem; in mana_ib_create_wq()
45 wq->wqe = init_attr->max_wr; in mana_ib_create_wq()
46 wq->wq_buf_size = ucmd.wq_buf_size; in mana_ib_create_wq()
47 wq->rx_object = INVALID_MANA_HANDLE; in mana_ib_create_wq()
49 err = mana_ib_gd_create_dma_region(mdev, wq->umem, &wq->gdma_region); in mana_ib_create_wq()
59 err, wq->gdma_region); in mana_ib_create_wq()
63 return &wq->ibwq; in mana_ib_create_wq()
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