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/* SPDX-License-Identifier: MIT */
#define _POSIX_C_SOURCE 200112L
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include "liburing/compat.h"
#include "liburing/io_uring.h"
#include "liburing.h"
#include "syscall.h"
int io_uring_register_buffers(struct io_uring *ring, const struct iovec *iovecs,
unsigned nr_iovecs)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_BUFFERS,
iovecs, nr_iovecs);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_unregister_buffers(struct io_uring *ring)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_UNREGISTER_BUFFERS,
NULL, 0);
if (ret < 0)
return -errno;
return 0;
}
/*
* Register an update for an existing file set. The updates will start at
* 'off' in the original array, and 'nr_files' is the number of files we'll
* update.
*
* Returns number of files updated on success, -ERROR on failure.
*/
int io_uring_register_files_update(struct io_uring *ring, unsigned off,
int *files, unsigned nr_files)
{
struct io_uring_files_update up = {
.offset = off,
.fds = (unsigned long) files,
};
int ret;
ret = __sys_io_uring_register(ring->ring_fd,
IORING_REGISTER_FILES_UPDATE, &up,
nr_files);
if (ret < 0)
return -errno;
return ret;
}
int io_uring_register_files(struct io_uring *ring, const int *files,
unsigned nr_files)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_FILES,
files, nr_files);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_unregister_files(struct io_uring *ring)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_UNREGISTER_FILES,
NULL, 0);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_register_eventfd(struct io_uring *ring, int event_fd)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_EVENTFD,
&event_fd, 1);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_unregister_eventfd(struct io_uring *ring)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_UNREGISTER_EVENTFD,
NULL, 0);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_register_eventfd_async(struct io_uring *ring, int event_fd)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_EVENTFD_ASYNC,
&event_fd, 1);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_register_probe(struct io_uring *ring, struct io_uring_probe *p,
unsigned int nr_ops)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_PROBE,
p, nr_ops);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_register_personality(struct io_uring *ring)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_PERSONALITY,
NULL, 0);
if (ret < 0)
return -errno;
return ret;
}
int io_uring_unregister_personality(struct io_uring *ring, int id)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_UNREGISTER_PERSONALITY,
NULL, id);
if (ret < 0)
return -errno;
return ret;
}
int io_uring_register_restrictions(struct io_uring *ring,
struct io_uring_restriction *res,
unsigned int nr_res)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd, IORING_REGISTER_RESTRICTIONS,
res, nr_res);
if (ret < 0)
return -errno;
return 0;
}
int io_uring_enable_rings(struct io_uring *ring)
{
int ret;
ret = __sys_io_uring_register(ring->ring_fd,
IORING_REGISTER_ENABLE_RINGS, NULL, 0);
if (ret < 0)
return -errno;
return ret;
}
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