162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci 362306a36Sopenharmony_cistruct io_sq_data { 462306a36Sopenharmony_ci refcount_t refs; 562306a36Sopenharmony_ci atomic_t park_pending; 662306a36Sopenharmony_ci struct mutex lock; 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci /* ctx's that are using this sqd */ 962306a36Sopenharmony_ci struct list_head ctx_list; 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci struct task_struct *thread; 1262306a36Sopenharmony_ci struct wait_queue_head wait; 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci unsigned sq_thread_idle; 1562306a36Sopenharmony_ci int sq_cpu; 1662306a36Sopenharmony_ci pid_t task_pid; 1762306a36Sopenharmony_ci pid_t task_tgid; 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci unsigned long state; 2062306a36Sopenharmony_ci struct completion exited; 2162306a36Sopenharmony_ci}; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ciint io_sq_offload_create(struct io_ring_ctx *ctx, struct io_uring_params *p); 2462306a36Sopenharmony_civoid io_sq_thread_finish(struct io_ring_ctx *ctx); 2562306a36Sopenharmony_civoid io_sq_thread_stop(struct io_sq_data *sqd); 2662306a36Sopenharmony_civoid io_sq_thread_park(struct io_sq_data *sqd); 2762306a36Sopenharmony_civoid io_sq_thread_unpark(struct io_sq_data *sqd); 2862306a36Sopenharmony_civoid io_put_sq_data(struct io_sq_data *sqd); 2962306a36Sopenharmony_civoid io_sqpoll_wait_sq(struct io_ring_ctx *ctx); 3062306a36Sopenharmony_ciint io_sqpoll_wq_cpu_affinity(struct io_ring_ctx *ctx, cpumask_var_t mask); 31