/* $NetBSD: perfuse_priv.h,v 1.16 2010/10/11 05:37:58 manu Exp $ */ /*- * Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _PERFUSE_PRIV_H_ #define _PERFUSE_PRIV_H_ #include #include #include #include #include #include "perfuse_if.h" #include "fuse.h" struct perfuse_state { void *ps_private; /* Private field for libperfuse user */ struct puffs_usermount *ps_pu; struct puffs_node *ps_root; uid_t ps_owner_uid; int ps_flags; #define PS_NO_ACCESS 0x0001 /* access is unimplemented; */ #define PS_NO_CREAT 0x0004 /* create is unimplemented */ #define PS_INLOOP 0x0008 /* puffs mainloop started */ long ps_fsid; uint32_t ps_max_readahead; uint32_t ps_max_write; uint64_t ps_syncreads; uint64_t ps_syncwrites; uint64_t ps_asyncreads; uint64_t ps_asyncwrites; char *ps_source; char *ps_target; char *ps_filesystemtype; int ps_mountflags; uint64_t ps_unique; perfuse_new_msg_fn ps_new_msg; perfuse_xchg_msg_fn ps_xchg_msg; perfuse_destroy_msg_fn ps_destroy_msg; perfuse_get_inhdr_fn ps_get_inhdr; perfuse_get_inpayload_fn ps_get_inpayload; perfuse_get_outhdr_fn ps_get_outhdr; perfuse_get_outpayload_fn ps_get_outpayload; }; enum perfuse_qtype { PCQ_READDIR, PCQ_READ, PCQ_WRITE, PCQ_AFTERWRITE, PCQ_OPEN, PCQ_AFTERXCHG }; #ifdef PERFUSE_DEBUG extern const char *perfuse_qtypestr[]; #endif struct perfuse_cc_queue { enum perfuse_qtype pcq_type; struct puffs_cc *pcq_cc; TAILQ_ENTRY(perfuse_cc_queue) pcq_next; }; struct perfuse_node_data { uint64_t pnd_rfh; uint64_t pnd_wfh; uint64_t pnd_ino; /* inode */ uint64_t pnd_nlookup; /* vnode refcount */ uint64_t pnd_lock_owner; struct dirent *pnd_dirent; /* native buffer for readdir */ off_t pnd_dirent_len; struct fuse_dirent *pnd_all_fd; /* FUSE buffer for readdir */ size_t pnd_all_fd_len; TAILQ_HEAD(,perfuse_cc_queue) pnd_pcq; /* queued requests */ int pnd_flags; #define PND_RECLAIMED 0x001 /* reclaim pending */ #define PND_INREADDIR 0x002 /* readdir in progress */ #define PND_DIRTY 0x004 /* There is some data to sync */ #define PND_RFH 0x008 /* Read FH allocated */ #define PND_WFH 0x010 /* Write FH allocated */ #define PND_REMOVED 0x020 /* Node was removed */ #define PND_INWRITE 0x040 /* write in progress */ #define PND_INOPEN 0x100 /* open in progress */ #define PND_INXCHG 0x400 /* FUSE exchange in progress */ #define PND_OPEN (PND_RFH|PND_WFH) /* File is open */ #define PND_BUSY (PND_INREADDIR|PND_INWRITE|PND_INOPEN) puffs_cookie_t pnd_parent; int pnd_childcount; TAILQ_ENTRY(perfuse_node_data) pnd_next; puffs_cookie_t pnd_pn; char pnd_name[MAXPATHLEN]; /* node name */ TAILQ_HEAD(,perfuse_node_data) pnd_children; }; #define PERFUSE_NODE_DATA(opc) \ ((struct perfuse_node_data *)puffs_pn_getpriv((struct puffs_node *)opc)) #define UNSPEC_REPLY_LEN PERFUSE_UNSPEC_REPLY_LEN /* shorter! */ #define NO_PAYLOAD_REPLY_LEN 0 #define GET_INHDR(ps, pm) ps->ps_get_inhdr(pm) #define GET_INPAYLOAD(ps, pm, type) \ (struct type *)(void *)ps->ps_get_inpayload(pm) #define _GET_INPAYLOAD(ps, pm, type) (type)ps->ps_get_inpayload(pm) #define GET_OUTHDR(ps, pm) ps->ps_get_outhdr(pm) #define GET_OUTPAYLOAD(ps, pm, type) \ (struct type *)(void *)ps->ps_get_outpayload(pm) #define _GET_OUTPAYLOAD(ps, pm, type) (type)ps->ps_get_outpayload(pm) __BEGIN_DECLS struct puffs_node *perfuse_new_pn(struct puffs_usermount *, const char *, struct puffs_node *); void perfuse_destroy_pn(struct puffs_usermount *, struct puffs_node *); void perfuse_new_fh(puffs_cookie_t, uint64_t, int); void perfuse_destroy_fh(puffs_cookie_t, uint64_t); uint64_t perfuse_get_fh(puffs_cookie_t, int); uint64_t perfuse_next_unique(struct puffs_usermount *); char *perfuse_node_path(puffs_cookie_t); int perfuse_node_close_common(struct puffs_usermount *, puffs_cookie_t, int); char *perfuse_fs_mount(int, ssize_t); /* * opc.c - filesystem operations */ int perfuse_fs_unmount(struct puffs_usermount *, int); int perfuse_fs_statvfs(struct puffs_usermount *, struct statvfs *); int perfuse_fs_sync(struct puffs_usermount *, int, const struct puffs_cred *); int perfuse_fs_fhtonode(struct puffs_usermount *, void *, size_t, struct puffs_newinfo *); int perfuse_fs_nodetofh(struct puffs_usermount *, puffs_cookie_t, void *, size_t *); void perfuse_fs_suspend(struct puffs_usermount *, int); int perfuse_node_lookup(struct puffs_usermount *, puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *); int perfuse_node_create(struct puffs_usermount *, puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, const struct vattr *); int perfuse_node_mknod(struct puffs_usermount *, puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, const struct vattr *); int perfuse_node_open(struct puffs_usermount *, puffs_cookie_t, int, const struct puffs_cred *); int perfuse_node_close(struct puffs_usermount *, puffs_cookie_t, int, const struct puffs_cred *); int perfuse_node_access(struct puffs_usermount *, puffs_cookie_t, int, const struct puffs_cred *); int perfuse_node_getattr(struct puffs_usermount *, puffs_cookie_t, struct vattr *, const struct puffs_cred *); int perfuse_node_setattr(struct puffs_usermount *, puffs_cookie_t, const struct vattr *, const struct puffs_cred *); int perfuse_node_poll(struct puffs_usermount *, puffs_cookie_t, int *); int perfuse_node_mmap(struct puffs_usermount *, puffs_cookie_t, vm_prot_t, const struct puffs_cred *); int perfuse_node_fsync(struct puffs_usermount *, puffs_cookie_t, const struct puffs_cred *, int, off_t, off_t); int perfuse_node_seek(struct puffs_usermount *, puffs_cookie_t, off_t, off_t, const struct puffs_cred *); int perfuse_node_remove(struct puffs_usermount *, puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); int perfuse_node_link(struct puffs_usermount *, puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); int perfuse_node_rename(struct puffs_usermount *, puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *, puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); int perfuse_node_mkdir(struct puffs_usermount *, puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, const struct vattr *); int perfuse_node_rmdir(struct puffs_usermount *, puffs_cookie_t, puffs_cookie_t, const struct puffs_cn *); int perfuse_node_symlink(struct puffs_usermount *, puffs_cookie_t, struct puffs_newinfo *, const struct puffs_cn *, const struct vattr *, const char *); int perfuse_node_readdir(struct puffs_usermount *, puffs_cookie_t, struct dirent *, off_t *, size_t *, const struct puffs_cred *, int *, off_t *, size_t *); int perfuse_node_readlink(struct puffs_usermount *, puffs_cookie_t, const struct puffs_cred *, char *, size_t *); int perfuse_node_reclaim(struct puffs_usermount *, puffs_cookie_t); int perfuse_node_inactive(struct puffs_usermount *, puffs_cookie_t); int perfuse_node_print(struct puffs_usermount *, puffs_cookie_t); int perfuse_node_pathconf(struct puffs_usermount *, puffs_cookie_t, int, int *); int perfuse_node_advlock(struct puffs_usermount *, puffs_cookie_t, void *, int, struct flock *, int); int perfuse_node_read(struct puffs_usermount *, puffs_cookie_t, uint8_t *, off_t, size_t *, const struct puffs_cred *, int); int perfuse_node_write(struct puffs_usermount *, puffs_cookie_t, uint8_t *, off_t, size_t *, const struct puffs_cred *, int); void perfuse_cache_write(struct puffs_usermount *, puffs_cookie_t, size_t, struct puffs_cacherun *); __END_DECLS #endif /* _PERFUSE_PRIV_H_ */