/*****************************************************************************\ * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. * Copyright (C) 2007 The Regents of the University of California. * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). * Written by Brian Behlendorf . * UCRL-CODE-235197 * * This file is part of the SPL, Solaris Porting Layer. * For details, see . * * The SPL is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * The SPL is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with the SPL. If not, see . \*****************************************************************************/ #ifndef _SPL_VNODE_H #define _SPL_VNODE_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define XVA_MAPSIZE 3 #define XVA_MAGIC 0x78766174 /* * Prior to linux-2.6.33 only O_DSYNC semantics were implemented and * they used the O_SYNC flag. As of linux-2.6.33 the this behavior * was properly split in to O_SYNC and O_DSYNC respectively. */ #ifndef O_DSYNC #define O_DSYNC O_SYNC #endif #define FREAD 1 #define FWRITE 2 #define FCREAT O_CREAT #define FTRUNC O_TRUNC #define FOFFMAX O_LARGEFILE #define FSYNC O_SYNC #define FDSYNC O_DSYNC #define FRSYNC O_SYNC #define FEXCL O_EXCL #define FDIRECT O_DIRECT #define FAPPEND O_APPEND #define FNODSYNC 0x10000 /* fsync pseudo flag */ #define FNOFOLLOW 0x20000 /* don't follow symlinks */ #define AT_TYPE 0x00001 #define AT_MODE 0x00002 #undef AT_UID /* Conflicts with linux/auxvec.h */ #define AT_UID 0x00004 #undef AT_GID /* Conflicts with linux/auxvec.h */ #define AT_GID 0x00008 #define AT_FSID 0x00010 #define AT_NODEID 0x00020 #define AT_NLINK 0x00040 #define AT_SIZE 0x00080 #define AT_ATIME 0x00100 #define AT_MTIME 0x00200 #define AT_CTIME 0x00400 #define AT_RDEV 0x00800 #define AT_BLKSIZE 0x01000 #define AT_NBLOCKS 0x02000 #define AT_SEQ 0x08000 #define AT_XVATTR 0x10000 #define CRCREAT 0x01 #define RMFILE 0x02 #define B_INVAL 0x01 #define B_TRUNC 0x02 #ifdef HAVE_PATH_IN_NAMEIDATA # define nd_dentry path.dentry # define nd_mnt path.mnt #else # define nd_dentry dentry # define nd_mnt mnt #endif typedef enum vtype { VNON = 0, VREG = 1, VDIR = 2, VBLK = 3, VCHR = 4, VLNK = 5, VFIFO = 6, VDOOR = 7, VPROC = 8, VSOCK = 9, VPORT = 10, VBAD = 11 } vtype_t; typedef struct vattr { enum vtype va_type; /* vnode type */ u_int va_mask; /* attribute bit-mask */ u_short va_mode; /* acc mode */ uid_t va_uid; /* owner uid */ gid_t va_gid; /* owner gid */ long va_fsid; /* fs id */ long va_nodeid; /* node # */ uint32_t va_nlink; /* # links */ uint64_t va_size; /* file size */ uint32_t va_blocksize; /* block size */ uint64_t va_nblocks; /* space used */ struct timespec va_atime; /* last acc */ struct timespec va_mtime; /* last mod */ struct timespec va_ctime; /* last chg */ dev_t va_rdev; /* dev */ } vattr_t; typedef struct xoptattr { timestruc_t xoa_createtime; /* Create time of file */ uint8_t xoa_archive; uint8_t xoa_system; uint8_t xoa_readonly; uint8_t xoa_hidden; uint8_t xoa_nounlink; uint8_t xoa_immutable; uint8_t xoa_appendonly; uint8_t xoa_nodump; uint8_t xoa_settable; uint8_t xoa_opaque; uint8_t xoa_av_quarantined; uint8_t xoa_av_modified; } xoptattr_t; typedef struct xvattr { vattr_t xva_vattr; /* Embedded vattr structure */ uint32_t xva_magic; /* Magic Number */ uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ xoptattr_t xva_xoptattrs; /* Optional attributes */ } xvattr_t; typedef struct vsecattr { uint_t vsa_mask; /* See below */ int vsa_aclcnt; /* ACL entry count */ void *vsa_aclentp; /* pointer to ACL entries */ int vsa_dfaclcnt; /* default ACL entry count */ void *vsa_dfaclentp; /* pointer to default ACL entries */ size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ uint_t vsa_aclflags; /* ACE ACL flags */ } vsecattr_t; typedef struct vnode { struct file *v_file; kmutex_t v_lock; /* protects vnode fields */ uint_t v_flag; /* vnode flags (see below) */ uint_t v_count; /* reference count */ void *v_data; /* private data for fs */ struct vfs *v_vfsp; /* ptr to containing VFS */ struct stdata *v_stream; /* associated stream */ enum vtype v_type; /* vnode type */ dev_t v_rdev; /* device (VCHR, VBLK) */ gfp_t v_gfp_mask; /* original mapping gfp mask */ } vnode_t; typedef struct vn_file { int f_fd; /* linux fd for lookup */ struct file *f_file; /* linux file struct */ atomic_t f_ref; /* ref count */ kmutex_t f_lock; /* struct lock */ loff_t f_offset; /* offset */ vnode_t *f_vnode; /* vnode */ struct list_head f_list; /* list referenced file_t's */ } file_t; typedef struct caller_context { pid_t cc_pid; /* Process ID of the caller */ int cc_sysid; /* System ID, used for remote calls */ u_longlong_t cc_caller_id; /* Identifier for (set of) caller(s) */ ulong_t cc_flags; } caller_context_t; extern vnode_t *vn_alloc(int flag); void vn_free(vnode_t *vp); extern vtype_t vn_mode_to_vtype(mode_t); extern mode_t vn_vtype_to_mode(vtype_t); extern int vn_open(const char *path, uio_seg_t seg, int flags, int mode, vnode_t **vpp, int x1, void *x2); extern int vn_openat(const char *path, uio_seg_t seg, int flags, int mode, vnode_t **vpp, int x1, void *x2, vnode_t *vp, int fd); extern int vn_rdwr(uio_rw_t uio, vnode_t *vp, void *addr, ssize_t len, offset_t off, uio_seg_t seg, int x1, rlim64_t x2, void *x3, ssize_t *residp); extern int vn_close(vnode_t *vp, int flags, int x1, int x2, void *x3, void *x4); extern int vn_seek(vnode_t *vp, offset_t o, offset_t *op, caller_context_t *ct); extern int vn_remove(const char *path, uio_seg_t seg, int flags); extern int vn_rename(const char *path1, const char *path2, int x1); extern int vn_getattr(vnode_t *vp, vattr_t *vap, int flags, void *x3, void *x4); extern int vn_fsync(vnode_t *vp, int flags, void *x3, void *x4); extern file_t *vn_getf(int fd); extern void vn_releasef(int fd); extern int vn_set_pwd(const char *filename); int vn_init(void); void vn_fini(void); static __inline__ int vn_rele(vnode_t *vp) { return 0; } /* vn_rele() */ static __inline__ int vn_putpage(vnode_t *vp, offset_t off, ssize_t size, int flags, void *x1, void *x2) { return 0; } /* vn_putpage() */ #define VOP_CLOSE vn_close #define VOP_SEEK vn_seek #define VN_RELE vn_rele #define VOP_GETATTR vn_getattr #define VOP_FSYNC vn_fsync #define VOP_PUTPAGE vn_putpage #define vn_is_readonly(vp) 0 #define getf vn_getf #define releasef vn_releasef extern vnode_t *rootdir; #endif /* SPL_VNODE_H */