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/*
* FUSE: Filesystem in Userspace
* Copyright (C) 2025 Bernd Schubert <bschubert@ddn.com>
* This program can be distributed under the terms of the GNU LGPLv2.
* See the file COPYING.LIB
*/
#ifndef FUSE_URING_I_H_
#define FUSE_URING_I_H_
#include "fuse_config.h"
#include "fuse_lowlevel.h"
#include "fuse_kernel.h"
#ifndef HAVE_URING
#include "util.h"
#endif
/* io-uring defaults */
#define SESSION_DEF_URING_ENABLE (0)
#define SESSION_DEF_URING_Q_DEPTH (8)
void fuse_session_process_uring_cqe(struct fuse_session *se,
struct fuse_req *req,
struct fuse_in_header *in, void *in_header,
void *in_payload, size_t payload_len);
#ifdef HAVE_URING
struct fuse_in_header;
int fuse_uring_start(struct fuse_session *se);
int fuse_uring_stop(struct fuse_session *se);
int send_reply_uring(fuse_req_t req, int error, const void *arg,
size_t argsize);
int fuse_reply_data_uring(fuse_req_t req, struct fuse_bufvec *bufv,
enum fuse_buf_copy_flags flags);
int fuse_send_msg_uring(fuse_req_t req, struct iovec *iov, int count);
#else // HAVE_URING
static inline int fuse_uring_start(struct fuse_session *se FUSE_VAR_UNUSED)
{
return -ENOTSUP;
}
static inline int fuse_uring_stop(struct fuse_session *se FUSE_VAR_UNUSED)
{
return -ENOTSUP;
}
static inline int send_reply_uring(fuse_req_t req FUSE_VAR_UNUSED,
int error FUSE_VAR_UNUSED,
const void *arg FUSE_VAR_UNUSED,
size_t argsize FUSE_VAR_UNUSED)
{
return -ENOTSUP;
}
static inline int
fuse_reply_data_uring(fuse_req_t req FUSE_VAR_UNUSED,
struct fuse_bufvec *bufv FUSE_VAR_UNUSED,
enum fuse_buf_copy_flags flags FUSE_VAR_UNUSED)
{
return -ENOTSUP;
}
static inline int fuse_send_msg_uring(fuse_req_t req FUSE_VAR_UNUSED,
struct iovec *iov FUSE_VAR_UNUSED,
int count FUSE_VAR_UNUSED)
{
return -ENOTSUP;
}
#endif // HAVE_URING
#endif // FUSE_URING_I_H_
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