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virtiofsd: Pull in upstream headers

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Pull in headers fromlibfuse's upstream fuse-3.8.0

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-11-28 12:22:49 +00:00
parent b7c359c748
commit ee46c78901
8 changed files with 4814 additions and 0 deletions
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139
tools/virtiofsd/fuse_i.h Normal file
View file

@ -0,0 +1,139 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB
*/
#include "fuse.h"
#include "fuse_lowlevel.h"
struct mount_opts;
struct fuse_req {
struct fuse_session *se;
uint64_t unique;
int ctr;
pthread_mutex_t lock;
struct fuse_ctx ctx;
struct fuse_chan *ch;
int interrupted;
unsigned int ioctl_64bit : 1;
union {
struct {
uint64_t unique;
} i;
struct {
fuse_interrupt_func_t func;
void *data;
} ni;
} u;
struct fuse_req *next;
struct fuse_req *prev;
};
struct fuse_notify_req {
uint64_t unique;
void (*reply)(struct fuse_notify_req *, fuse_req_t, fuse_ino_t,
const void *, const struct fuse_buf *);
struct fuse_notify_req *next;
struct fuse_notify_req *prev;
};
struct fuse_session {
char *mountpoint;
volatile int exited;
int fd;
struct mount_opts *mo;
int debug;
int deny_others;
struct fuse_lowlevel_ops op;
int got_init;
struct cuse_data *cuse_data;
void *userdata;
uid_t owner;
struct fuse_conn_info conn;
struct fuse_req list;
struct fuse_req interrupts;
pthread_mutex_t lock;
int got_destroy;
pthread_key_t pipe_key;
int broken_splice_nonblock;
uint64_t notify_ctr;
struct fuse_notify_req notify_list;
size_t bufsize;
int error;
};
struct fuse_chan {
pthread_mutex_t lock;
int ctr;
int fd;
};
/**
* Filesystem module
*
* Filesystem modules are registered with the FUSE_REGISTER_MODULE()
* macro.
*
*/
struct fuse_module {
char *name;
fuse_module_factory_t factory;
struct fuse_module *next;
struct fusemod_so *so;
int ctr;
};
/* ----------------------------------------------------------- *
* Channel interface (when using -o clone_fd) *
* ----------------------------------------------------------- */
/**
* Obtain counted reference to the channel
*
* @param ch the channel
* @return the channel
*/
struct fuse_chan *fuse_chan_get(struct fuse_chan *ch);
/**
* Drop counted reference to a channel
*
* @param ch the channel
*/
void fuse_chan_put(struct fuse_chan *ch);
struct mount_opts *parse_mount_opts(struct fuse_args *args);
void destroy_mount_opts(struct mount_opts *mo);
void fuse_mount_version(void);
unsigned get_max_read(struct mount_opts *o);
void fuse_kern_unmount(const char *mountpoint, int fd);
int fuse_kern_mount(const char *mountpoint, struct mount_opts *mo);
int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov,
int count);
void fuse_free_req(fuse_req_t req);
void cuse_lowlevel_init(fuse_req_t req, fuse_ino_t nodeide, const void *inarg);
int fuse_start_thread(pthread_t *thread_id, void *(*func)(void *), void *arg);
int fuse_session_receive_buf_int(struct fuse_session *se, struct fuse_buf *buf,
struct fuse_chan *ch);
void fuse_session_process_buf_int(struct fuse_session *se,
const struct fuse_buf *buf, struct fuse_chan *ch);
struct fuse *fuse_new_31(struct fuse_args *args, const struct fuse_operations *op,
size_t op_size, void *private_data);
int fuse_loop_mt_32(struct fuse *f, struct fuse_loop_config *config);
int fuse_session_loop_mt_32(struct fuse_session *se, struct fuse_loop_config *config);
#define FUSE_MAX_MAX_PAGES 256
#define FUSE_DEFAULT_MAX_PAGES_PER_REQ 32
/* room needed in buffer to accommodate header */
#define FUSE_BUFFER_HEADER_SIZE 0x1000