1 | // SPDX-License-Identifier: GPL-2.0 |
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2 | |
3 | struct io_sq_data { |
4 | refcount_t refs; |
5 | atomic_t park_pending; |
6 | struct mutex lock; |
7 | |
8 | /* ctx's that are using this sqd */ |
9 | struct list_head ctx_list; |
10 | |
11 | struct task_struct *thread; |
12 | struct wait_queue_head wait; |
13 | |
14 | unsigned sq_thread_idle; |
15 | int sq_cpu; |
16 | pid_t task_pid; |
17 | pid_t task_tgid; |
18 | |
19 | unsigned long state; |
20 | struct completion exited; |
21 | }; |
22 | |
23 | int io_sq_offload_create(struct io_ring_ctx *ctx, struct io_uring_params *p); |
24 | void io_sq_thread_finish(struct io_ring_ctx *ctx); |
25 | void io_sq_thread_stop(struct io_sq_data *sqd); |
26 | void io_sq_thread_park(struct io_sq_data *sqd); |
27 | void io_sq_thread_unpark(struct io_sq_data *sqd); |
28 | void io_put_sq_data(struct io_sq_data *sqd); |
29 | void io_sqpoll_wait_sq(struct io_ring_ctx *ctx); |
30 | int io_sqpoll_wq_cpu_affinity(struct io_ring_ctx *ctx, cpumask_var_t mask); |
31 |