summaryrefslogtreecommitdiffstats
path: root/tools/io_uring/syscall.c
blob: b22e0aa54e9d8f685de4b9912362784ebfc1d3f6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
 * Will go away once libc support is there
 */
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/uio.h>
#include <signal.h>
#include "liburing.h"

#ifdef __alpha__
/*
 * alpha is the only exception, all other architectures
 * have common numbers for new system calls.
 */
# ifndef __NR_io_uring_setup
#  define __NR_io_uring_setup		535
# endif
# ifndef __NR_io_uring_enter
#  define __NR_io_uring_enter		536
# endif
# ifndef __NR_io_uring_register
#  define __NR_io_uring_register	537
# endif
#else /* !__alpha__ */
# ifndef __NR_io_uring_setup
#  define __NR_io_uring_setup		425
# endif
# ifndef __NR_io_uring_enter
#  define __NR_io_uring_enter		426
# endif
# ifndef __NR_io_uring_register
#  define __NR_io_uring_register	427
# endif
#endif

int io_uring_register(int fd, unsigned int opcode, void *arg,
		      unsigned int nr_args)
{
	return syscall(__NR_io_uring_register, fd, opcode, arg, nr_args);
}

int io_uring_setup(unsigned int entries, struct io_uring_params *p)
{
	return syscall(__NR_io_uring_setup, entries, p);
}

int io_uring_enter(int fd, unsigned int to_submit, unsigned int min_complete,
		   unsigned int flags, sigset_t *sig)
{
	return syscall(__NR_io_uring_enter, fd, to_submit, min_complete,
			flags, sig, _NSIG / 8);
}