fuse_i.h (2488B)
1 /* 2 * FUSE: Filesystem in Userspace 3 * Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu> 4 * 5 * This program can be distributed under the terms of the GNU LGPLv2. 6 * See the file COPYING.LIB 7 */ 8 9 #ifndef FUSE_I_H 10 #define FUSE_I_H 11 12 #define FUSE_USE_VERSION 31 13 #include "fuse_lowlevel.h" 14 15 struct fv_VuDev; 16 struct fv_QueueInfo; 17 18 struct fuse_security_context { 19 const char *name; 20 uint32_t ctxlen; 21 const void *ctx; 22 }; 23 24 struct fuse_req { 25 struct fuse_session *se; 26 uint64_t unique; 27 int ctr; 28 pthread_mutex_t lock; 29 struct fuse_ctx ctx; 30 struct fuse_chan *ch; 31 int interrupted; 32 unsigned int ioctl_64bit:1; 33 union { 34 struct { 35 uint64_t unique; 36 } i; 37 struct { 38 fuse_interrupt_func_t func; 39 void *data; 40 } ni; 41 } u; 42 struct fuse_req *next; 43 struct fuse_req *prev; 44 struct fuse_security_context secctx; 45 }; 46 47 struct fuse_notify_req { 48 uint64_t unique; 49 void (*reply)(struct fuse_notify_req *, fuse_req_t, fuse_ino_t, 50 const void *, const struct fuse_buf *); 51 struct fuse_notify_req *next; 52 struct fuse_notify_req *prev; 53 }; 54 55 struct fuse_session { 56 char *mountpoint; 57 volatile int exited; 58 int fd; 59 int debug; 60 int deny_others; 61 struct fuse_lowlevel_ops op; 62 int got_init; 63 struct cuse_data *cuse_data; 64 void *userdata; 65 uid_t owner; 66 struct fuse_conn_info conn; 67 struct fuse_req list; 68 struct fuse_req interrupts; 69 pthread_mutex_t lock; 70 pthread_rwlock_t init_rwlock; 71 int got_destroy; 72 int broken_splice_nonblock; 73 uint64_t notify_ctr; 74 struct fuse_notify_req notify_list; 75 size_t bufsize; 76 int error; 77 char *vu_socket_path; 78 char *vu_socket_group; 79 int vu_listen_fd; 80 int vu_socketfd; 81 struct fv_VuDev *virtio_dev; 82 int thread_pool_size; 83 }; 84 85 struct fuse_chan { 86 pthread_mutex_t lock; 87 int ctr; 88 int fd; 89 struct fv_QueueInfo *qi; 90 }; 91 92 int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov, 93 int count); 94 void fuse_free_req(fuse_req_t req); 95 96 void fuse_session_process_buf_int(struct fuse_session *se, 97 struct fuse_bufvec *bufv, 98 struct fuse_chan *ch); 99 100 101 #define FUSE_MAX_MAX_PAGES 256 102 #define FUSE_DEFAULT_MAX_PAGES_PER_REQ 32 103 104 /* room needed in buffer to accommodate header */ 105 #define FUSE_BUFFER_HEADER_SIZE 0x1000 106 107 #endif