1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef _LINUX_IO_URING_H
3 #define _LINUX_IO_URING_H
5 #include <linux/sched.h>
6 #include <linux/xarray.h>
8 enum io_uring_cmd_flags {
9 IO_URING_F_COMPLETE_DEFER = 1,
10 IO_URING_F_UNLOCKED = 2,
11 /* int's last bit, sign checks are usually faster than a bit test */
12 IO_URING_F_NONBLOCK = INT_MIN,
14 /* ctx state flags, for URING_CMD */
15 IO_URING_F_SQE128 = 4,
17 IO_URING_F_IOPOLL = 16,
24 /* callback to defer completions to task context */
25 void (*task_work_cb)(struct io_uring_cmd *cmd);
26 /* used for polled completion */
31 u8 pdu[32]; /* available inline for free use */
34 #if defined(CONFIG_IO_URING)
35 void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t res2);
36 void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
37 void (*task_work_cb)(struct io_uring_cmd *));
38 struct sock *io_uring_get_socket(struct file *file);
39 void __io_uring_cancel(bool cancel_all);
40 void __io_uring_free(struct task_struct *tsk);
41 void io_uring_unreg_ringfd(void);
42 const char *io_uring_get_opcode(u8 opcode);
44 static inline void io_uring_files_cancel(void)
46 if (current->io_uring) {
47 io_uring_unreg_ringfd();
48 __io_uring_cancel(false);
51 static inline void io_uring_task_cancel(void)
53 if (current->io_uring)
54 __io_uring_cancel(true);
56 static inline void io_uring_free(struct task_struct *tsk)
62 static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret,
66 static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
67 void (*task_work_cb)(struct io_uring_cmd *))
70 static inline struct sock *io_uring_get_socket(struct file *file)
74 static inline void io_uring_task_cancel(void)
77 static inline void io_uring_files_cancel(void)
80 static inline void io_uring_free(struct task_struct *tsk)
83 static inline const char *io_uring_get_opcode(u8 opcode)