perfuse_priv.h revision 1.1
1 /* $NetBSD: perfuse_priv.h,v 1.1 2010/08/25 07:16:00 manu Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _PERFUSE_PRIV_H_ 29 #define _PERFUSE_PRIV_H_ 30 31 #include <syslog.h> 32 #include <paths.h> 33 #include <err.h> 34 #include <sysexits.h> 35 #include <puffs.h> 36 37 #include "perfuse_if.h" 38 #include "fuse.h" 39 40 struct perfuse_state { 41 void *ps_private; /* Private field for libperfuse user */ 42 struct puffs_usermount *ps_pu; 43 struct puffs_node *ps_root; 44 uid_t ps_uid; 45 gid_t ps_gid; 46 pid_t ps_pid; 47 int ps_flags; 48 #define PS_NO_ACCESS 0x0001 /* access is unimplemented; */ 49 #define PS_NO_FSYNC 0x0002 /* fsync is unimplemented */ 50 #define PS_NO_CREAT 0x0004 /* create is unimplemented */ 51 #define PS_INLOOP 0x0008 /* puffs mainloop started */ 52 long ps_fsid; 53 uint32_t ps_max_readahead; 54 uint32_t ps_max_write; 55 uint64_t ps_syncreads; 56 uint64_t ps_syncwrites; 57 uint64_t ps_asyncreads; 58 uint64_t ps_asyncwrites; 59 char *ps_source; 60 char *ps_target; 61 char *ps_filesystemtype; 62 int ps_mountflags; 63 uint64_t ps_unique; 64 uint32_t ps_readahead; 65 uint32_t ps_write; 66 perfuse_new_msg_fn ps_new_msg; 67 perfuse_xchg_msg_fn ps_xchg_msg; 68 perfuse_destroy_msg_fn ps_destroy_msg; 69 perfuse_get_inhdr_fn ps_get_inhdr; 70 perfuse_get_inpayload_fn ps_get_inpayload; 71 perfuse_get_outhdr_fn ps_get_outhdr; 72 perfuse_get_outpayload_fn ps_get_outpayload; 73 }; 74 75 76 struct perfuse_file_handle { 77 uint64_t pfh_fh; 78 TAILQ_ENTRY(perfuse_file_handle) pfh_entries; 79 }; 80 81 82 enum perfuse_qtype { PCQ_READDIR, PCQ_READ, PCQ_WRITE }; 83 84 struct perfuse_cc_queue { 85 enum perfuse_qtype pcq_type; 86 struct puffs_cc *pcq_cc; 87 TAILQ_ENTRY(perfuse_cc_queue) pcq_next; 88 }; 89 90 91 struct perfuse_node_data { 92 TAILQ_HEAD(,perfuse_file_handle) pnd_fh; 93 uint64_t pnd_ino; /* inode */ 94 uint64_t pnd_nlookup; /* vnode refcount */ 95 uint64_t pnd_offset; /* seek state */ 96 uint64_t pnd_lock_owner; 97 struct dirent *pnd_dirent; /* native buffer for readdir */ 98 size_t pnd_dirent_len; 99 struct fuse_dirent *pnd_all_fd; /* FUSE buffer for readdir */ 100 size_t pnd_all_fd_len; 101 TAILQ_HEAD(,perfuse_cc_queue) pnd_pcq; /* queued requests */ 102 int pnd_flags; 103 #define PND_RECLAIMED 0x1 /* reclaim pending */ 104 #define PND_INREADDIR 0x2 /* readdir in progress */ 105 puffs_cookie_t pnd_parent; 106 int pnd_childcount; 107 }; 108 109 #define PERFUSE_NODE_DATA(opc) \ 110 ((struct perfuse_node_data *)puffs_pn_getpriv((struct puffs_node *)opc)) 111 112 113 #define UNSPEC_REPLY_LEN PERFUSE_UNSPEC_REPLY_LEN /* shorter! */ 114 #define NO_PAYLOAD_REPLY_LEN 0 115 116 #define GET_INHDR(ps, pm) ps->ps_get_inhdr(pm) 117 #define GET_INPAYLOAD(ps, pm, type) \ 118 (struct type *)(void *)ps->ps_get_inpayload(pm) 119 #define _GET_INPAYLOAD(ps, pm, type) (type)ps->ps_get_inpayload(pm) 120 #define GET_OUTHDR(ps, pm) ps->ps_get_outhdr(pm) 121 #define GET_OUTPAYLOAD(ps, pm, type) \ 122 (struct type *)(void *)ps->ps_get_outpayload(pm) 123 #define _GET_OUTPAYLOAD(ps, pm, type) (type)ps->ps_get_outpayload(pm) 124 125 #define XCHG_MSG(ps, pu, opc, len) ps->ps_xchg_msg(pu, opc, len, wait_reply) 126 #define XCHG_MSG_NOREPLY(ps, pu, opc, len) \ 127 ps->ps_xchg_msg(pu, opc, len, no_reply) 128 129 __BEGIN_DECLS 130 131 struct puffs_node *perfuse_new_pn(struct puffs_usermount *, 132 struct puffs_node *); 133 void perfuse_destroy_pn(struct puffs_node *); 134 void perfuse_new_fh(puffs_cookie_t, uint64_t); 135 void perfuse_destroy_fh(puffs_cookie_t, uint64_t); 136 uint64_t perfuse_get_fh(puffs_cookie_t); 137 uint64_t perfuse_next_unique(struct puffs_usermount *); 138 139 char *perfuse_fs_mount(int, ssize_t); 140 141 142 /* 143 * opc.c - filesystem operations 144 */ 145 int perfuse_fs_unmount(struct puffs_usermount *, int); 146 int perfuse_fs_statvfs(struct puffs_usermount *, struct statvfs *); 147 int perfuse_fs_sync(struct puffs_usermount *, int, 148 const struct puffs_cred *); 149 int perfuse_fs_fhtonode(struct puffs_usermount *, void *, size_t, 150 struct puffs_newinfo *); 151 int perfuse_fs_nodetofh(struct puffs_usermount *, puffs_cookie_t, 152 void *, size_t *); 153 void perfuse_fs_suspend(struct puffs_usermount *, int); 154 int perfuse_node_lookup(struct puffs_usermount *, 155 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *); 156 int perfuse_node_create(struct puffs_usermount *, 157 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 158 const struct vattr *); 159 int perfuse_node_mknod(struct puffs_usermount *, 160 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 161 const struct vattr *); 162 int perfuse_node_open(struct puffs_usermount *, 163 puffs_cookie_t, int, const struct puffs_cred *); 164 int perfuse_node_close(struct puffs_usermount *, 165 puffs_cookie_t, int, const struct puffs_cred *); 166 int perfuse_node_access(struct puffs_usermount *, 167 puffs_cookie_t, int, const struct puffs_cred *); 168 int perfuse_node_getattr(struct puffs_usermount *, 169 puffs_cookie_t, struct vattr *, const struct puffs_cred *); 170 int perfuse_node_setattr(struct puffs_usermount *, 171 puffs_cookie_t, const struct vattr *, const struct puffs_cred *); 172 int perfuse_node_poll(struct puffs_usermount *, puffs_cookie_t, int *); 173 int perfuse_node_mmap(struct puffs_usermount *, 174 puffs_cookie_t, vm_prot_t, const struct puffs_cred *); 175 int perfuse_node_fsync(struct puffs_usermount *, 176 puffs_cookie_t, const struct puffs_cred *, int, off_t, off_t); 177 int perfuse_node_seek(struct puffs_usermount *, 178 puffs_cookie_t, off_t, off_t, const struct puffs_cred *); 179 int perfuse_node_remove(struct puffs_usermount *, 180 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 181 int perfuse_node_link(struct puffs_usermount *, 182 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 183 int perfuse_node_rename(struct puffs_usermount *, 184 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *, 185 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 186 int perfuse_node_mkdir(struct puffs_usermount *, 187 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 188 const struct vattr *); 189 int perfuse_node_rmdir(struct puffs_usermount *, 190 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 191 int perfuse_node_symlink(struct puffs_usermount *, 192 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 193 const struct vattr *, const char *); 194 int perfuse_node_readdir(struct puffs_usermount *, 195 puffs_cookie_t, struct dirent *, off_t *, size_t *, 196 const struct puffs_cred *, int *, off_t *, size_t *); 197 int perfuse_node_readlink(struct puffs_usermount *, 198 puffs_cookie_t, const struct puffs_cred *, char *, size_t *); 199 int perfuse_node_reclaim(struct puffs_usermount *, puffs_cookie_t); 200 int perfuse_node_inactive(struct puffs_usermount *, puffs_cookie_t); 201 int perfuse_node_print(struct puffs_usermount *, puffs_cookie_t); 202 int perfuse_node_pathconf(struct puffs_usermount *, 203 puffs_cookie_t, int, int *); 204 int perfuse_node_advlock(struct puffs_usermount *, 205 puffs_cookie_t, void *, int, struct flock *, int); 206 int perfuse_node_read(struct puffs_usermount *, puffs_cookie_t, 207 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 208 int perfuse_node_write(struct puffs_usermount *, puffs_cookie_t, 209 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 210 void perfuse_cache_write(struct puffs_usermount *, 211 puffs_cookie_t, size_t, struct puffs_cacherun *); 212 213 __END_DECLS 214 215 #endif /* _PERFUSE_PRIV_H_ */ 216
Indexes created Tue Sep 23 20:09:58 GMT 2025