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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _LINUX_IO_URING_H
#define _LINUX_IO_URING_H
#include <linux/io_uring_types.h>
#include <linux/sched.h>
#include <linux/xarray.h>
#include <uapi/linux/io_uring.h>
static inline void req_set_fail(struct io_kiocb *req)
{
req->flags |= REQ_F_FAIL;
if (req->flags & REQ_F_CQE_SKIP) {
req->flags &= ~REQ_F_CQE_SKIP;
req->flags |= REQ_F_SKIP_LINK_CQES;
}
}
static inline void io_req_set_res(struct io_kiocb *req, s32 res, u32 cflags)
{
req->cqe.res = res;
req->cqe.flags = cflags;
}
static inline u32 ctx_cqe32_flags(struct io_ring_ctx *ctx)
{
if (ctx->flags & IORING_SETUP_CQE_MIXED)
return IORING_CQE_F_32;
return 0;
}
static inline void io_req_set_res32(struct io_kiocb *req, s32 res, u32 cflags,
__u64 extra1, __u64 extra2)
{
req->cqe.res = res;
req->cqe.flags = cflags | ctx_cqe32_flags(req->ctx);
req->big_cqe.extra1 = extra1;
req->big_cqe.extra2 = extra2;
}
#if defined(CONFIG_IO_URING)
void __io_uring_cancel(bool cancel_all);
void __io_uring_free(struct task_struct *tsk);
void io_uring_unreg_ringfd(void);
const char *io_uring_get_opcode(u8 opcode);
bool io_is_uring_fops(struct file *file);
int __io_uring_fork(struct task_struct *tsk);
static inline void io_uring_files_cancel(void)
{
if (current->io_uring)
__io_uring_cancel(false);
}
static inline void io_uring_task_cancel(void)
{
if (current->io_uring)
__io_uring_cancel(true);
}
static inline void io_uring_free(struct task_struct *tsk)
{
if (tsk->io_uring || tsk->io_uring_restrict)
__io_uring_free(tsk);
}
static inline int io_uring_fork(struct task_struct *tsk)
{
if (tsk->io_uring_restrict)
return __io_uring_fork(tsk);
return 0;
}
#else
static inline void io_uring_task_cancel(void)
{
}
static inline void io_uring_files_cancel(void)
{
}
static inline void io_uring_free(struct task_struct *tsk)
{
}
static inline const char *io_uring_get_opcode(u8 opcode)
{
return "";
}
static inline bool io_is_uring_fops(struct file *file)
{
return false;
}
static inline int io_uring_fork(struct task_struct *tsk)
{
return 0;
}
#endif
#endif
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