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/* $NetBSD: puffs_msgif.h,v 1.84 2015/02/15 20:21:29 manu Exp $ */
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/*
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* Copyright (c) 2005, 2006, 2007 Antti Kantee. All Rights Reserved.
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*
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* Development of this software was supported by the
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* Google Summer of Code program and the Ulla Tuominen Foundation.
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* The Google SoC project was mentored by Bill Studenmund.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _FS_PUFFS_PUFFS_MSGIF_H_
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#define _FS_PUFFS_PUFFS_MSGIF_H_
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#include <sys/param.h> |
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#include <sys/time.h> |
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#include <sys/ioccom.h> |
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#include <sys/uio.h> |
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#include <sys/vnode.h> |
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#include <sys/ucred.h> |
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#include <sys/statvfs.h> |
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#include <sys/dirent.h> |
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#include <sys/fcntl.h> |
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#if !defined(__minix)
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#include <dev/putter/putter.h> |
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#endif /* !defined(__minix) */ |
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#include <uvm/uvm_prot.h> |
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#define PUFFSOP_VFS 0x01 /* kernel-> */ |
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#define PUFFSOP_VN 0x02 /* kernel-> */ |
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#define PUFFSOP_CACHE 0x03 /* only kernel-> */ |
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#define PUFFSOP_ERROR 0x04 /* only kernel-> */ |
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#define PUFFSOP_FLUSH 0x05 /* ->kernel */ |
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#define PUFFSOP_SUSPEND 0x06 /* ->kernel */ |
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#define PUFFSOP_UNMOUNT 0x07 /* ->kernel */ |
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#define PUFFSOPFLAG_FAF 0x10 /* fire-and-forget */ |
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#define PUFFSOPFLAG_ISRESPONSE 0x20 /* req is actually a resp */ |
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#define PUFFSOP_OPCMASK 0x07 |
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#define PUFFSOP_OPCLASS(a) ((a) & PUFFSOP_OPCMASK)
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#define PUFFSOP_WANTREPLY(a) (((a) & PUFFSOPFLAG_FAF) == 0) |
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enum {
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PUFFS_VFS_MOUNT, PUFFS_VFS_START, PUFFS_VFS_UNMOUNT, |
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PUFFS_VFS_ROOT, PUFFS_VFS_QUOTACTL, PUFFS_VFS_STATVFS, |
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PUFFS_VFS_SYNC, PUFFS_VFS_VGET, PUFFS_VFS_FHTOVP, |
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PUFFS_VFS_VPTOFH, PUFFS_VFS_INIT, PUFFS_VFS_DONE, |
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PUFFS_VFS_SNAPSHOT, PUFFS_VFS_EXTATTRCTL, PUFFS_VFS_SUSPEND |
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}; |
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#define PUFFS_VFS_MAX PUFFS_VFS_SUSPEND
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enum {
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PUFFS_VN_LOOKUP, PUFFS_VN_CREATE, PUFFS_VN_MKNOD, |
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PUFFS_VN_OPEN, PUFFS_VN_CLOSE, PUFFS_VN_ACCESS, |
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PUFFS_VN_GETATTR, PUFFS_VN_SETATTR, PUFFS_VN_READ, |
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PUFFS_VN_WRITE, PUFFS_VN_IOCTL, PUFFS_VN_FCNTL, |
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PUFFS_VN_POLL, PUFFS_VN_KQFILTER, PUFFS_VN_REVOKE, |
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PUFFS_VN_MMAP, PUFFS_VN_FSYNC, PUFFS_VN_SEEK, |
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PUFFS_VN_REMOVE, PUFFS_VN_LINK, PUFFS_VN_RENAME, |
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PUFFS_VN_MKDIR, PUFFS_VN_RMDIR, PUFFS_VN_SYMLINK, |
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PUFFS_VN_READDIR, PUFFS_VN_READLINK, PUFFS_VN_ABORTOP, |
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PUFFS_VN_INACTIVE, PUFFS_VN_RECLAIM, PUFFS_VN_LOCK, |
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PUFFS_VN_UNLOCK, PUFFS_VN_BMAP, PUFFS_VN_STRATEGY, |
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PUFFS_VN_PRINT, PUFFS_VN_ISLOCKED, PUFFS_VN_PATHCONF, |
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PUFFS_VN_ADVLOCK, PUFFS_VN_LEASE, PUFFS_VN_WHITEOUT, |
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PUFFS_VN_GETPAGES, PUFFS_VN_PUTPAGES, PUFFS_VN_GETEXTATTR, |
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PUFFS_VN_LISTEXTATTR, PUFFS_VN_OPENEXTATTR, PUFFS_VN_DELETEEXTATTR, |
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PUFFS_VN_SETEXTATTR, PUFFS_VN_CLOSEEXTATTR, PUFFS_VN_FALLOCATE, |
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PUFFS_VN_FDISCARD, |
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/* NOTE: If you add an op, decrement PUFFS_VN_SPARE accordingly */
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}; |
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#define PUFFS_VN_MAX PUFFS_VN_FDISCARD
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#define PUFFS_VN_SPARE 30 |
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/*
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* These signal invalid parameters the file system returned.
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*/
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enum {
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PUFFS_ERR_ERROR, |
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PUFFS_ERR_MAKENODE, PUFFS_ERR_LOOKUP, PUFFS_ERR_READDIR, |
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PUFFS_ERR_READLINK, PUFFS_ERR_READ, PUFFS_ERR_WRITE, |
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PUFFS_ERR_VPTOFH, PUFFS_ERR_GETEXTATTR, PUFFS_ERR_LISTEXTATTR |
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}; |
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#define PUFFS_ERR_MAX PUFFS_ERR_LISTEXTATTR
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#define PUFFSVERSION 30 |
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#define PUFFSNAMESIZE 32 |
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#define PUFFS_TYPEPREFIX "puffs|" |
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#define PUFFS_TYPELEN (_VFS_NAMELEN - (sizeof(PUFFS_TYPEPREFIX)+1)) |
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#define PUFFS_NAMELEN (_VFS_MNAMELEN-1) |
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/*
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* Just a weak typedef for code clarity. Additionally, we have a
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* more appropriate vanity type for puffs:
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* <uep> it should be croissant, not cookie.
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*/
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typedef void *puffs_cookie_t; |
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typedef puffs_cookie_t puffs_croissant_t;
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struct puffs_kargs {
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unsigned int pa_vers; |
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int pa_fd;
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uint32_t pa_flags; |
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size_t pa_maxmsglen; |
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int pa_nhashbuckets;
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size_t pa_fhsize; |
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int pa_fhflags;
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uint8_t pa_vnopmask[PUFFS_VN_MAX + PUFFS_VN_SPARE]; |
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char pa_typename[_VFS_NAMELEN];
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char pa_mntfromname[_VFS_MNAMELEN];
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puffs_cookie_t pa_root_cookie; |
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enum vtype pa_root_vtype;
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voff_t pa_root_vsize; |
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union {
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dev_t dev; |
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uint64_t container; |
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} devunion; |
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struct statvfs pa_svfsb;
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uint32_t pa_time32; |
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uint32_t pa_spare[127];
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}; |
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#define pa_root_rdev devunion.dev
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#define PUFFS_KFLAG_NOCACHE_NAME 0x001 /* don't use name cache */ |
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#define PUFFS_KFLAG_NOCACHE_PAGE 0x002 /* don't use page cache */ |
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#define PUFFS_KFLAG_NOCACHE 0x003 /* no cache whatsoever */ |
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#define PUFFS_KFLAG_ALLOPS 0x004 /* ignore pa_vnopmask */ |
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#define PUFFS_KFLAG_WTCACHE 0x008 /* write-through page cache */ |
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#define PUFFS_KFLAG_IAONDEMAND 0x010 /* inactive only on demand */ |
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#define PUFFS_KFLAG_LOOKUP_FULLPNBUF 0x020 /* full pnbuf in lookup */ |
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#define PUFFS_KFLAG_NOCACHE_ATTR 0x040 /* no attrib cache (unused) */ |
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#define PUFFS_KFLAG_CACHE_FS_TTL 0x080 /* cache use TTL from FS */ |
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#define PUFFS_KFLAG_CACHE_DOTDOT 0x100 /* don't send lookup for .. */ |
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#define PUFFS_KFLAG_NOFLUSH_META 0x200 /* don't flush metadata cache*/ |
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#define PUFFS_KFLAG_MASK 0x3bf |
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#define PUFFS_FHFLAG_DYNAMIC 0x01 |
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#define PUFFS_FHFLAG_NFSV2 0x02 |
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#define PUFFS_FHFLAG_NFSV3 0x04 |
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#define PUFFS_FHFLAG_PROTOMASK 0x06 |
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#define PUFFS_FHFLAG_PASSTHROUGH 0x08 |
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#define PUFFS_FHFLAG_MASK 0x0f |
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#define PUFFS_FHSIZE_MAX 1020 /* FHANDLE_SIZE_MAX - 4 */ |
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struct puffs_req {
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#if !defined(__minix)
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struct putter_hdr preq_pth;
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#endif /* ! defined(__minix) */ |
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uint64_t preq_id; |
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puffs_cookie_t preq_cookie; |
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uint16_t preq_opclass; |
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uint16_t preq_optype; |
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int preq_rv;
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uint32_t preq_setbacks; |
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/* Who is making the call? Eventually host id is also needed. */
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pid_t preq_pid; |
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lwpid_t preq_lid; |
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/*
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* the following helper pads the struct size to md alignment
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* multiple (should size_t not cut it). it makes sure that
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* whatever comes after this struct is aligned
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*/
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size_t preq_buflen; |
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uint8_t preq_buf[0] __aligned(ALIGNBYTES+1); |
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}; |
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#define PUFFS_SETBACK_INACT_N1 0x01 /* set VOP_INACTIVE for node 1 */ |
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#define PUFFS_SETBACK_INACT_N2 0x02 /* set VOP_INACTIVE for node 2 */ |
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#define PUFFS_SETBACK_NOREF_N1 0x04 /* set pn PN_NOREFS for node 1 */ |
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#define PUFFS_SETBACK_NOREF_N2 0x08 /* set pn PN_NOREFS for node 2 */ |
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#define PUFFS_SETBACK_MASK 0x0f |
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/*
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* Flush operation. This can be used to invalidate:
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* 1) name cache for one node
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* 2) name cache for all children
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* 3) name cache for the entire mount
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* 4) page cache for a set of ranges in one node
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* 5) page cache for one entire node
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*
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* It can be used to flush:
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* 1) page cache for a set of ranges in one node
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* 2) page cache for one entire node
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*/
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struct puffs_flush {
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struct puffs_req pf_req;
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puffs_cookie_t pf_cookie; |
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int pf_op;
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off_t pf_start; |
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off_t pf_end; |
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}; |
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#define PUFFS_INVAL_NAMECACHE_NODE 0 |
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#define PUFFS_INVAL_NAMECACHE_DIR 1 |
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#define PUFFS_INVAL_NAMECACHE_ALL 2 |
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#define PUFFS_INVAL_PAGECACHE_NODE_RANGE 3 |
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#define PUFFS_FLUSH_PAGECACHE_NODE_RANGE 4 |
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/*
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* Credentials for an operation. Can be either struct uucred for
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* ops called from a credential context or NOCRED/FSCRED for ops
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* called from within the kernel. It is up to the implementation
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* if it makes a difference between these two and the super-user.
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*/
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struct puffs_kcred {
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struct uucred pkcr_uuc;
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uint8_t pkcr_type; |
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uint8_t pkcr_internal; |
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}; |
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#define PUFFCRED_TYPE_UUC 1 |
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#define PUFFCRED_TYPE_INTERNAL 2 |
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#define PUFFCRED_CRED_NOCRED 1 |
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#define PUFFCRED_CRED_FSCRED 2 |
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/*
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* 2*MAXPHYS is the max size the system will attempt to copy,
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* else treated as garbage
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*/
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#define PUFFS_MSG_MAXSIZE 2*MAXPHYS |
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#define PUFFS_MSGSTRUCT_MAX 4096 /* approximate */ |
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#define PUFFS_EXTNAMELEN KERNEL_NAME_MAX /* currently same as EXTATTR_MAXNAMELEN */ |
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#define PUFFS_TOMOVE(a,b) (MIN((a), b->pmp_msg_maxsize - PUFFS_MSGSTRUCT_MAX))
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/* puffs struct componentname built by kernel */
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struct puffs_kcn {
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/* args */
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uint32_t pkcn_nameiop; /* namei operation */
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uint32_t pkcn_flags; /* flags */
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char pkcn_name[MAXPATHLEN]; /* nulterminated path component */ |
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size_t pkcn_namelen; /* current component length */
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size_t pkcn_consume; /* IN: extra chars server ate */
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}; |
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/*
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* Next come the individual requests. They are all subclassed from
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* puffs_req and contain request-specific fields in addition. Note
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* that there are some requests which have to handle arbitrary-length
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* buffers.
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*
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* The division is the following: puffs_req is to be touched only
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* by generic routines while the other stuff is supposed to be
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* modified only by specific routines.
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*/
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/*
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* aux structures for vfs operations.
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*/
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struct puffs_vfsmsg_unmount {
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struct puffs_req pvfsr_pr;
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int pvfsr_flags;
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}; |
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struct puffs_vfsmsg_statvfs {
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struct puffs_req pvfsr_pr;
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struct statvfs pvfsr_sb;
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}; |
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struct puffs_vfsmsg_sync {
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struct puffs_req pvfsr_pr;
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struct puffs_kcred pvfsr_cred;
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int pvfsr_waitfor;
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}; |
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struct puffs_vfsmsg_fhtonode {
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struct puffs_req pvfsr_pr;
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void *pvfsr_fhcookie; /* IN */ |
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enum vtype pvfsr_vtype; /* IN */ |
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voff_t pvfsr_size; /* IN */
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dev_t pvfsr_rdev; /* IN */
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size_t pvfsr_dsize; /* OUT */
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uint8_t pvfsr_data[0] /* OUT, XXX */ |
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__aligned(ALIGNBYTES+1);
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}; |
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struct puffs_vfsmsg_nodetofh {
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struct puffs_req pvfsr_pr;
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void *pvfsr_fhcookie; /* OUT */ |
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size_t pvfsr_dsize; /* OUT/IN */
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uint8_t pvfsr_data[0] /* IN, XXX */ |
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__aligned(ALIGNBYTES+1);
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}; |
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struct puffs_vfsmsg_suspend {
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struct puffs_req pvfsr_pr;
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int pvfsr_status;
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}; |
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#define PUFFS_SUSPEND_START 0 |
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#define PUFFS_SUSPEND_SUSPENDED 1 |
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#define PUFFS_SUSPEND_RESUME 2 |
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#define PUFFS_SUSPEND_ERROR 3 |
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#define PUFFS_EXTATTRCTL_HASNODE 0x01 |
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#define PUFFS_EXTATTRCTL_HASATTRNAME 0x02 |
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#define PUFFS_OPEN_IO_DIRECT 0x01 |
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struct puffs_vfsmsg_extattrctl {
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struct puffs_req pvfsr_pr;
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int pvfsr_cmd; /* OUT */ |
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int pvfsr_attrnamespace; /* OUT */ |
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int pvfsr_flags; /* OUT */ |
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char pvfsr_attrname[PUFFS_EXTNAMELEN]; /* OUT */ |
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}; |
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/*
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* aux structures for vnode operations.
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*/
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struct puffs_vnmsg_lookup {
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struct puffs_req pvn_pr;
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struct puffs_kcn pvnr_cn; /* OUT */ |
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struct puffs_kcred pvnr_cn_cred; /* OUT */ |
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puffs_cookie_t pvnr_newnode; /* IN */
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enum vtype pvnr_vtype; /* IN */ |
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voff_t pvnr_size; /* IN */
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dev_t pvnr_rdev; /* IN */
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/* Used only if PUFFS_KFLAG_CACHE_USE_TTL */
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struct vattr pvnr_va; /* IN */ |
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struct timespec pvnr_va_ttl; /* IN */ |
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struct timespec pvnr_cn_ttl; /* IN */ |
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}; |
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struct puffs_vnmsg_create {
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struct puffs_req pvn_pr;
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struct puffs_kcn pvnr_cn; /* OUT */ |
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struct puffs_kcred pvnr_cn_cred; /* OUT */ |
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struct vattr pvnr_va; /* OUT */ |
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puffs_cookie_t pvnr_newnode; /* IN */
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/* Used only if PUFFS_KFLAG_CACHE_USE_TTL */
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struct timespec pvnr_va_ttl; /* IN */ |
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struct timespec pvnr_cn_ttl; /* IN */ |
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}; |
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struct puffs_vnmsg_mknod {
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struct puffs_req pvn_pr;
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struct puffs_kcn pvnr_cn; /* OUT */ |
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struct puffs_kcred pvnr_cn_cred; /* OUT */ |
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struct vattr pvnr_va; /* OUT */ |
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puffs_cookie_t pvnr_newnode; /* IN */
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/* Used only if PUFFS_KFLAG_CACHE_USE_TTL */
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struct timespec pvnr_va_ttl; /* IN */ |
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struct timespec pvnr_cn_ttl; /* IN */ |
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}; |
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struct puffs_vnmsg_open {
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struct puffs_req pvn_pr;
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struct puffs_kcred pvnr_cred; /* OUT */ |
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int pvnr_mode; /* OUT */ |
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int pvnr_oflags; /* IN */ |
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}; |
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|
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struct puffs_vnmsg_close {
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struct puffs_req pvn_pr;
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struct puffs_kcred pvnr_cred; /* OUT */ |
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int pvnr_fflag; /* OUT */ |
| 419 |
}; |
| 420 |
|
| 421 |
struct puffs_vnmsg_access {
|
| 422 |
struct puffs_req pvn_pr;
|
| 423 |
|
| 424 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 425 |
int pvnr_mode; /* OUT */ |
| 426 |
}; |
| 427 |
|
| 428 |
#define puffs_vnmsg_setattr puffs_vnmsg_setgetattr
|
| 429 |
#define puffs_vnmsg_getattr puffs_vnmsg_setgetattr
|
| 430 |
struct puffs_vnmsg_setgetattr {
|
| 431 |
struct puffs_req pvn_pr;
|
| 432 |
|
| 433 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 434 |
struct vattr pvnr_va; /* IN/OUT (op depend) */ |
| 435 |
/* Used only if PUFFS_KFLAG_CACHE_USE_TTL */
|
| 436 |
struct timespec pvnr_va_ttl; /* IN */ |
| 437 |
}; |
| 438 |
|
| 439 |
#define puffs_vnmsg_read puffs_vnmsg_rw
|
| 440 |
#define puffs_vnmsg_write puffs_vnmsg_rw
|
| 441 |
struct puffs_vnmsg_rw {
|
| 442 |
struct puffs_req pvn_pr;
|
| 443 |
|
| 444 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 445 |
off_t pvnr_offset; /* OUT */
|
| 446 |
size_t pvnr_resid; /* IN/OUT */
|
| 447 |
int pvnr_ioflag; /* OUT */ |
| 448 |
|
| 449 |
uint8_t pvnr_data[0]; /* IN/OUT (wr/rd) */ |
| 450 |
}; |
| 451 |
|
| 452 |
#define puffs_vnmsg_ioctl puffs_vnreq_fcnioctl
|
| 453 |
#define puffs_vnmsg_fcntl puffs_vnreq_fcnioctl
|
| 454 |
struct puffs_vnmsg_fcnioctl {
|
| 455 |
struct puffs_req pvn_pr;
|
| 456 |
|
| 457 |
struct puffs_kcred pvnr_cred;
|
| 458 |
u_long pvnr_command; |
| 459 |
pid_t pvnr_pid; |
| 460 |
int pvnr_fflag;
|
| 461 |
|
| 462 |
void *pvnr_data;
|
| 463 |
size_t pvnr_datalen; |
| 464 |
int pvnr_copyback;
|
| 465 |
}; |
| 466 |
|
| 467 |
struct puffs_vnmsg_poll {
|
| 468 |
struct puffs_req pvn_pr;
|
| 469 |
|
| 470 |
int pvnr_events; /* IN/OUT */ |
| 471 |
}; |
| 472 |
|
| 473 |
struct puffs_vnmsg_fsync {
|
| 474 |
struct puffs_req pvn_pr;
|
| 475 |
|
| 476 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 477 |
off_t pvnr_offlo; /* OUT */
|
| 478 |
off_t pvnr_offhi; /* OUT */
|
| 479 |
int pvnr_flags; /* OUT */ |
| 480 |
}; |
| 481 |
|
| 482 |
struct puffs_vnmsg_seek {
|
| 483 |
struct puffs_req pvn_pr;
|
| 484 |
|
| 485 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 486 |
off_t pvnr_oldoff; /* OUT */
|
| 487 |
off_t pvnr_newoff; /* OUT */
|
| 488 |
}; |
| 489 |
|
| 490 |
struct puffs_vnmsg_remove {
|
| 491 |
struct puffs_req pvn_pr;
|
| 492 |
|
| 493 |
struct puffs_kcn pvnr_cn; /* OUT */ |
| 494 |
struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 495 |
|
| 496 |
puffs_cookie_t pvnr_cookie_targ; /* OUT */
|
| 497 |
}; |
| 498 |
|
| 499 |
struct puffs_vnmsg_mkdir {
|
| 500 |
struct puffs_req pvn_pr;
|
| 501 |
|
| 502 |
struct puffs_kcn pvnr_cn; /* OUT */ |
| 503 |
struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 504 |
|
| 505 |
struct vattr pvnr_va; /* OUT */ |
| 506 |
puffs_cookie_t pvnr_newnode; /* IN */
|
| 507 |
/* Used only if PUFFS_KFLAG_CACHE_USE_TTL */
|
| 508 |
struct timespec pvnr_va_ttl; /* IN */ |
| 509 |
struct timespec pvnr_cn_ttl; /* IN */ |
| 510 |
}; |
| 511 |
|
| 512 |
struct puffs_vnmsg_rmdir {
|
| 513 |
struct puffs_req pvn_pr;
|
| 514 |
|
| 515 |
struct puffs_kcn pvnr_cn; /* OUT */ |
| 516 |
struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 517 |
|
| 518 |
puffs_cookie_t pvnr_cookie_targ; /* OUT */
|
| 519 |
}; |
| 520 |
|
| 521 |
struct puffs_vnmsg_link {
|
| 522 |
struct puffs_req pvn_pr;
|
| 523 |
|
| 524 |
struct puffs_kcn pvnr_cn; /* OUT */ |
| 525 |
struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 526 |
|
| 527 |
puffs_cookie_t pvnr_cookie_targ; /* OUT */
|
| 528 |
}; |
| 529 |
|
| 530 |
struct puffs_vnmsg_rename {
|
| 531 |
struct puffs_req pvn_pr;
|
| 532 |
|
| 533 |
struct puffs_kcn pvnr_cn_src; /* OUT */ |
| 534 |
struct puffs_kcred pvnr_cn_src_cred; /* OUT */ |
| 535 |
struct puffs_kcn pvnr_cn_targ; /* OUT */ |
| 536 |
struct puffs_kcred pvnr_cn_targ_cred; /* OUT */ |
| 537 |
|
| 538 |
puffs_cookie_t pvnr_cookie_src; /* OUT */
|
| 539 |
puffs_cookie_t pvnr_cookie_targ; /* OUT */
|
| 540 |
puffs_cookie_t pvnr_cookie_targdir; /* OUT */
|
| 541 |
}; |
| 542 |
|
| 543 |
struct puffs_vnmsg_symlink {
|
| 544 |
struct puffs_req pvn_pr;
|
| 545 |
|
| 546 |
struct puffs_kcn pvnr_cn; /* OUT */ |
| 547 |
struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 548 |
|
| 549 |
struct vattr pvnr_va; /* OUT */ |
| 550 |
puffs_cookie_t pvnr_newnode; /* IN */
|
| 551 |
char pvnr_link[MAXPATHLEN]; /* OUT */ |
| 552 |
/* Used only if PUFFS_KFLAG_CACHE_USE_TTL */
|
| 553 |
struct timespec pvnr_va_ttl; /* IN */ |
| 554 |
struct timespec pvnr_cn_ttl; /* IN */ |
| 555 |
}; |
| 556 |
|
| 557 |
struct puffs_vnmsg_readdir {
|
| 558 |
struct puffs_req pvn_pr;
|
| 559 |
|
| 560 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 561 |
off_t pvnr_offset; /* IN/OUT */
|
| 562 |
size_t pvnr_resid; /* IN/OUT */
|
| 563 |
size_t pvnr_ncookies; /* IN/OUT */
|
| 564 |
int pvnr_eofflag; /* IN */ |
| 565 |
|
| 566 |
size_t pvnr_dentoff; /* OUT */
|
| 567 |
uint8_t pvnr_data[0] /* IN */ |
| 568 |
__aligned(ALIGNBYTES+1);
|
| 569 |
}; |
| 570 |
|
| 571 |
struct puffs_vnmsg_readlink {
|
| 572 |
struct puffs_req pvn_pr;
|
| 573 |
|
| 574 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 575 |
size_t pvnr_linklen; /* IN */
|
| 576 |
char pvnr_link[MAXPATHLEN]; /* IN */ |
| 577 |
}; |
| 578 |
|
| 579 |
struct puffs_vnmsg_reclaim {
|
| 580 |
struct puffs_req pvn_pr;
|
| 581 |
|
| 582 |
int pvnr_nlookup; /* OUT */ |
| 583 |
}; |
| 584 |
|
| 585 |
struct puffs_vnmsg_inactive {
|
| 586 |
struct puffs_req pvn_pr;
|
| 587 |
}; |
| 588 |
|
| 589 |
struct puffs_vnmsg_print {
|
| 590 |
struct puffs_req pvn_pr;
|
| 591 |
|
| 592 |
/* empty */
|
| 593 |
}; |
| 594 |
|
| 595 |
struct puffs_vnmsg_pathconf {
|
| 596 |
struct puffs_req pvn_pr;
|
| 597 |
|
| 598 |
int pvnr_name; /* OUT */ |
| 599 |
register_t pvnr_retval; /* IN */
|
| 600 |
}; |
| 601 |
|
| 602 |
struct puffs_vnmsg_advlock {
|
| 603 |
struct puffs_req pvn_pr;
|
| 604 |
|
| 605 |
struct flock pvnr_fl; /* OUT */ |
| 606 |
void *pvnr_id; /* OUT */ |
| 607 |
int pvnr_op; /* OUT */ |
| 608 |
int pvnr_flags; /* OUT */ |
| 609 |
}; |
| 610 |
|
| 611 |
struct puffs_vnmsg_mmap {
|
| 612 |
struct puffs_req pvn_pr;
|
| 613 |
|
| 614 |
vm_prot_t pvnr_prot; /* OUT */
|
| 615 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 616 |
}; |
| 617 |
|
| 618 |
struct puffs_vnmsg_abortop {
|
| 619 |
struct puffs_req pvn_pr;
|
| 620 |
|
| 621 |
struct puffs_kcn pvnr_cn; /* OUT */ |
| 622 |
struct puffs_kcred pvnr_cn_cred; /* OUT */ |
| 623 |
}; |
| 624 |
|
| 625 |
struct puffs_vnmsg_getextattr {
|
| 626 |
struct puffs_req pvn_pr;
|
| 627 |
|
| 628 |
int pvnr_attrnamespace; /* OUT */ |
| 629 |
char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ |
| 630 |
|
| 631 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 632 |
size_t pvnr_datasize; /* IN */
|
| 633 |
|
| 634 |
size_t pvnr_resid; /* IN/OUT */
|
| 635 |
uint8_t pvnr_data[0] /* IN */ |
| 636 |
__aligned(ALIGNBYTES+1);
|
| 637 |
}; |
| 638 |
|
| 639 |
struct puffs_vnmsg_setextattr {
|
| 640 |
struct puffs_req pvn_pr;
|
| 641 |
|
| 642 |
int pvnr_attrnamespace; /* OUT */ |
| 643 |
char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ |
| 644 |
|
| 645 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 646 |
|
| 647 |
size_t pvnr_resid; /* IN/OUT */
|
| 648 |
uint8_t pvnr_data[0] /* OUT */ |
| 649 |
__aligned(ALIGNBYTES+1);
|
| 650 |
}; |
| 651 |
|
| 652 |
struct puffs_vnmsg_listextattr {
|
| 653 |
struct puffs_req pvn_pr;
|
| 654 |
|
| 655 |
int pvnr_attrnamespace; /* OUT */ |
| 656 |
|
| 657 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 658 |
size_t pvnr_datasize; /* IN */
|
| 659 |
|
| 660 |
size_t pvnr_resid; /* IN/OUT */
|
| 661 |
int pvnr_flag; /* OUT */ |
| 662 |
uint8_t pvnr_data[0] /* IN */ |
| 663 |
__aligned(ALIGNBYTES+1);
|
| 664 |
}; |
| 665 |
|
| 666 |
struct puffs_vnmsg_deleteextattr {
|
| 667 |
struct puffs_req pvn_pr;
|
| 668 |
|
| 669 |
int pvnr_attrnamespace; /* OUT */ |
| 670 |
char pvnr_attrname[PUFFS_EXTNAMELEN];/* OUT */ |
| 671 |
|
| 672 |
struct puffs_kcred pvnr_cred; /* OUT */ |
| 673 |
}; |
| 674 |
|
| 675 |
#define PUFFS_HAVE_FALLOCATE 1 |
| 676 |
struct puffs_vnmsg_fallocate {
|
| 677 |
struct puffs_req pvn_pr;
|
| 678 |
off_t pvnr_off; /* OUT */
|
| 679 |
off_t pvnr_len; /* OUT */
|
| 680 |
}; |
| 681 |
|
| 682 |
struct puffs_vnmsg_fdiscard {
|
| 683 |
struct puffs_req pvn_pr;
|
| 684 |
off_t pvnr_off; /* OUT */
|
| 685 |
off_t pvnr_len; /* OUT */
|
| 686 |
}; |
| 687 |
|
| 688 |
/*
|
| 689 |
* For cache reports. Everything is always out-out-out, no replies
|
| 690 |
*/
|
| 691 |
|
| 692 |
struct puffs_cacherun {
|
| 693 |
off_t pcache_runstart; |
| 694 |
off_t pcache_runend; |
| 695 |
}; |
| 696 |
|
| 697 |
/* cache info. old used for write now */
|
| 698 |
struct puffs_cacheinfo {
|
| 699 |
struct puffs_req pcache_pr;
|
| 700 |
|
| 701 |
int pcache_type;
|
| 702 |
size_t pcache_nruns; |
| 703 |
struct puffs_cacherun pcache_runs[0]; |
| 704 |
}; |
| 705 |
#define PCACHE_TYPE_READ 0 |
| 706 |
#define PCACHE_TYPE_WRITE 1 |
| 707 |
|
| 708 |
/*
|
| 709 |
* Error notification. Always outgoing, no response, no remorse.
|
| 710 |
*/
|
| 711 |
struct puffs_error {
|
| 712 |
struct puffs_req perr_pr;
|
| 713 |
|
| 714 |
int perr_error;
|
| 715 |
char perr_str[256]; |
| 716 |
}; |
| 717 |
|
| 718 |
#endif /* _FS_PUFFS_PUFFS_MSGIF_H_ */ |