perfuse_priv.h revision 1.17
1 /* $NetBSD: perfuse_priv.h,v 1.17 2011/04/25 04:54:53 manu Exp $ */ 2 3 /*- 4 * Copyright (c) 2010-2011 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_owner_uid; 45 int ps_flags; 46 #define PS_NO_ACCESS 0x0001 /* access is unimplemented; */ 47 #define PS_NO_CREAT 0x0004 /* create is unimplemented */ 48 #define PS_INLOOP 0x0008 /* puffs mainloop started */ 49 uint64_t ps_fsid; 50 uint32_t ps_max_readahead; 51 uint32_t ps_max_write; 52 uint64_t ps_syncreads; 53 uint64_t ps_syncwrites; 54 uint64_t ps_asyncreads; 55 uint64_t ps_asyncwrites; 56 char *ps_source; 57 char *ps_target; 58 char *ps_filesystemtype; 59 int ps_mountflags; 60 uint64_t ps_unique; 61 perfuse_new_msg_fn ps_new_msg; 62 perfuse_xchg_msg_fn ps_xchg_msg; 63 perfuse_destroy_msg_fn ps_destroy_msg; 64 perfuse_get_inhdr_fn ps_get_inhdr; 65 perfuse_get_inpayload_fn ps_get_inpayload; 66 perfuse_get_outhdr_fn ps_get_outhdr; 67 perfuse_get_outpayload_fn ps_get_outpayload; 68 }; 69 70 71 enum perfuse_qtype { 72 PCQ_READDIR, 73 PCQ_READ, 74 PCQ_WRITE, 75 PCQ_AFTERWRITE, 76 PCQ_OPEN, 77 PCQ_AFTERXCHG 78 }; 79 80 #ifdef PERFUSE_DEBUG 81 extern const char *perfuse_qtypestr[]; 82 #endif 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 struct perfuse_node_data { 91 uint64_t pnd_rfh; 92 uint64_t pnd_wfh; 93 uint64_t pnd_ino; /* inode */ 94 uint64_t pnd_nlookup; /* vnode refcount */ 95 uint64_t pnd_lock_owner; 96 struct dirent *pnd_dirent; /* native buffer for readdir */ 97 off_t pnd_dirent_len; 98 struct fuse_dirent *pnd_all_fd; /* FUSE buffer for readdir */ 99 size_t pnd_all_fd_len; 100 TAILQ_HEAD(,perfuse_cc_queue) pnd_pcq; /* queued requests */ 101 int pnd_flags; 102 #define PND_RECLAIMED 0x001 /* reclaim pending */ 103 #define PND_INREADDIR 0x002 /* readdir in progress */ 104 #define PND_DIRTY 0x004 /* There is some data to sync */ 105 #define PND_RFH 0x008 /* Read FH allocated */ 106 #define PND_WFH 0x010 /* Write FH allocated */ 107 #define PND_REMOVED 0x020 /* Node was removed */ 108 #define PND_INWRITE 0x040 /* write in progress */ 109 #define PND_INOPEN 0x100 /* open in progress */ 110 #define PND_INXCHG 0x400 /* FUSE exchange in progress */ 111 112 #define PND_OPEN (PND_RFH|PND_WFH) /* File is open */ 113 #define PND_BUSY (PND_INREADDIR|PND_INWRITE|PND_INOPEN) 114 puffs_cookie_t pnd_parent; 115 int pnd_childcount; 116 TAILQ_ENTRY(perfuse_node_data) pnd_next; 117 puffs_cookie_t pnd_pn; 118 char pnd_name[MAXPATHLEN]; /* node name */ 119 TAILQ_HEAD(,perfuse_node_data) pnd_children; 120 }; 121 122 #define PERFUSE_NODE_DATA(opc) \ 123 ((struct perfuse_node_data *)puffs_pn_getpriv((struct puffs_node *)opc)) 124 125 126 #define UNSPEC_REPLY_LEN PERFUSE_UNSPEC_REPLY_LEN /* shorter! */ 127 #define NO_PAYLOAD_REPLY_LEN 0 128 129 #define GET_INHDR(ps, pm) ps->ps_get_inhdr(pm) 130 #define GET_INPAYLOAD(ps, pm, type) \ 131 (struct type *)(void *)ps->ps_get_inpayload(pm) 132 #define _GET_INPAYLOAD(ps, pm, type) (type)ps->ps_get_inpayload(pm) 133 #define GET_OUTHDR(ps, pm) ps->ps_get_outhdr(pm) 134 #define GET_OUTPAYLOAD(ps, pm, type) \ 135 (struct type *)(void *)ps->ps_get_outpayload(pm) 136 #define _GET_OUTPAYLOAD(ps, pm, type) (type)ps->ps_get_outpayload(pm) 137 138 __BEGIN_DECLS 139 140 struct puffs_node *perfuse_new_pn(struct puffs_usermount *, const char *, 141 struct puffs_node *); 142 void perfuse_destroy_pn(struct puffs_node *); 143 void perfuse_new_fh(puffs_cookie_t, uint64_t, int); 144 void perfuse_destroy_fh(puffs_cookie_t, uint64_t); 145 uint64_t perfuse_get_fh(puffs_cookie_t, int); 146 uint64_t perfuse_next_unique(struct puffs_usermount *); 147 char *perfuse_node_path(puffs_cookie_t); 148 int perfuse_node_close_common(struct puffs_usermount *, puffs_cookie_t, int); 149 150 char *perfuse_fs_mount(int, ssize_t); 151 152 153 /* 154 * opc.c - filesystem operations 155 */ 156 int perfuse_fs_unmount(struct puffs_usermount *, int); 157 int perfuse_fs_statvfs(struct puffs_usermount *, struct statvfs *); 158 int perfuse_fs_sync(struct puffs_usermount *, int, 159 const struct puffs_cred *); 160 int perfuse_fs_fhtonode(struct puffs_usermount *, void *, size_t, 161 struct puffs_newinfo *); 162 int perfuse_fs_nodetofh(struct puffs_usermount *, puffs_cookie_t, 163 void *, size_t *); 164 void perfuse_fs_suspend(struct puffs_usermount *, int); 165 int perfuse_node_lookup(struct puffs_usermount *, 166 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *); 167 int perfuse_node_create(struct puffs_usermount *, 168 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 169 const struct vattr *); 170 int perfuse_node_mknod(struct puffs_usermount *, 171 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 172 const struct vattr *); 173 int perfuse_node_open(struct puffs_usermount *, 174 puffs_cookie_t, int, const struct puffs_cred *); 175 int perfuse_node_close(struct puffs_usermount *, 176 puffs_cookie_t, int, const struct puffs_cred *); 177 int perfuse_node_access(struct puffs_usermount *, 178 puffs_cookie_t, int, const struct puffs_cred *); 179 int perfuse_node_getattr(struct puffs_usermount *, 180 puffs_cookie_t, struct vattr *, const struct puffs_cred *); 181 int perfuse_node_setattr(struct puffs_usermount *, 182 puffs_cookie_t, const struct vattr *, const struct puffs_cred *); 183 int perfuse_node_poll(struct puffs_usermount *, puffs_cookie_t, int *); 184 int perfuse_node_mmap(struct puffs_usermount *, 185 puffs_cookie_t, vm_prot_t, const struct puffs_cred *); 186 int perfuse_node_fsync(struct puffs_usermount *, 187 puffs_cookie_t, const struct puffs_cred *, int, off_t, off_t); 188 int perfuse_node_seek(struct puffs_usermount *, 189 puffs_cookie_t, off_t, off_t, const struct puffs_cred *); 190 int perfuse_node_remove(struct puffs_usermount *, 191 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 192 int perfuse_node_link(struct puffs_usermount *, 193 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 194 int perfuse_node_rename(struct puffs_usermount *, 195 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *, 196 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 197 int perfuse_node_mkdir(struct puffs_usermount *, 198 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 199 const struct vattr *); 200 int perfuse_node_rmdir(struct puffs_usermount *, 201 puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); 202 int perfuse_node_symlink(struct puffs_usermount *, 203 puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, 204 const struct vattr *, const char *); 205 int perfuse_node_readdir(struct puffs_usermount *, 206 puffs_cookie_t, struct dirent *, off_t *, size_t *, 207 const struct puffs_cred *, int *, off_t *, size_t *); 208 int perfuse_node_readlink(struct puffs_usermount *, 209 puffs_cookie_t, const struct puffs_cred *, char *, size_t *); 210 int perfuse_node_reclaim(struct puffs_usermount *, puffs_cookie_t); 211 int perfuse_node_inactive(struct puffs_usermount *, puffs_cookie_t); 212 int perfuse_node_print(struct puffs_usermount *, puffs_cookie_t); 213 int perfuse_node_pathconf(struct puffs_usermount *, 214 puffs_cookie_t, int, int *); 215 int perfuse_node_advlock(struct puffs_usermount *, 216 puffs_cookie_t, void *, int, struct flock *, int); 217 int perfuse_node_read(struct puffs_usermount *, puffs_cookie_t, 218 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 219 int perfuse_node_write(struct puffs_usermount *, puffs_cookie_t, 220 uint8_t *, off_t, size_t *, const struct puffs_cred *, int); 221 void perfuse_cache_write(struct puffs_usermount *, 222 puffs_cookie_t, size_t, struct puffs_cacherun *); 223 224 __END_DECLS 225 226 #endif /* _PERFUSE_PRIV_H_ */ 227
Indexes created Fri Sep 26 08:10:20 GMT 2025