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/*
* Copyright (c) 2000-2001, Boris Popov
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Id: smbfs.h,v 1.30.100.1 2005/05/27 02:35:28 lindak Exp $
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SMBFS_SMBFS_H
#define _SMBFS_SMBFS_H
/*
* FS-specific VFS structures for smbfs.
* (per-mount stuff, etc.)
*
* This file used to have mount args stuff,
* but that's now in sys/fs/smbfs_mount.h
*/
#include <sys/param.h>
#include <sys/fstyp.h>
#include <sys/avl.h>
#include <sys/list.h>
#include <sys/t_lock.h>
#include <sys/vfs.h>
#include <sys/vfs_opreg.h>
#include <sys/fs/smbfs_mount.h>
#include <sys/zone.h>
/*
* Path component length
*
* The generic fs code uses MAXNAMELEN to represent
* what the largest component length is, but note:
* that length DOES include the terminating NULL.
* SMB_MAXFNAMELEN does NOT include the NULL.
*/
#define SMB_MAXFNAMELEN (MAXNAMELEN-1) /* 255 */
/*
* SM_MAX_STATFSTIME is the maximum time to cache statvfs data. Since this
* should be a fast call on the server, the time the data cached is short.
* That lets the cache handle bursts of statvfs() requests without generating
* lots of network traffic.
*/
#define SM_MAX_STATFSTIME 2
/* Mask values for smbmount structure sm_status field */
#define SM_STATUS_STATFS_BUSY 0x00000001 /* statvfs is in progress */
#define SM_STATUS_STATFS_WANT 0x00000002 /* statvfs wakeup is wanted */
#define SM_STATUS_TIMEO 0x00000004 /* this mount is not responding */
#define SM_STATUS_DEAD 0x00000010 /* connection gone - unmount this */
extern const struct fs_operation_def smbfs_vnodeops_template[];
extern struct vnodeops *smbfs_vnodeops;
struct smbnode;
struct smb_share;
/*
* The values for smi_flags (from nfs_clnt.h)
*/
#define SMI_INT 0x04 /* interrupts allowed */
#define SMI_NOAC 0x10 /* don't cache attributes */
#define SMI_LLOCK 0x80 /* local locking only */
#define SMI_ACL 0x2000 /* share supports ACLs */
#define SMI_DIRECTIO 0x40000 /* do direct I/O */
#define SMI_EXTATTR 0x80000 /* share supports ext. attrs */
#define SMI_DEAD 0x200000 /* mount has been terminated */
/*
* Stuff returned by smbfs_smb_qfsattr
* See [CIFS] SMB_QUERY_FS_ATTRIBUTE_INFO
*/
typedef struct smb_fs_attr_info {
uint32_t fsa_aflags; /* Attr. flags [CIFS 4.1.6.6] */
uint32_t fsa_maxname; /* max. component length */
char fsa_tname[FSTYPSZ]; /* type name, i.e. "NTFS" */
} smb_fs_attr_info_t;
/*
* Corresponds to Darwin: struct smbmount
*/
typedef struct smbmntinfo {
struct vfs *smi_vfsp; /* mount back pointer to vfs */
struct smbnode *smi_root; /* the root node */
struct smb_share *smi_share; /* netsmb SMB share conn data */
struct taskq *smi_taskq; /* for async work */
kmutex_t smi_lock; /* mutex for flags, etc. */
uint32_t smi_flags; /* NFS-derived flag bits */
uint32_t smi_status; /* status bits for this mount */
hrtime_t smi_statfstime; /* sm_statvfsbuf cache time */
statvfs64_t smi_statvfsbuf; /* cached statvfs data */
kcondvar_t smi_statvfs_cv;
smb_fs_attr_info_t smi_fsa; /* SMB FS attributes. */
#define smi_fsattr smi_fsa.fsa_aflags
/*
* The smbfs node cache for this mount.
* Named "hash" for historical reasons.
* See smbfs_node.h for details.
*/
avl_tree_t smi_hash_avl;
krwlock_t smi_hash_lk;
/*
* Kstat statistics
*/
struct kstat *smi_io_kstats;
struct kstat *smi_ro_kstats;
/*
* Zones support.
*/
zone_ref_t smi_zone_ref; /* Zone FS is mounted in */
list_node_t smi_zone_node; /* Link to per-zone smi list */
/* Lock for the list is: smi_globals_t -> smg_lock */
/*
* Stuff copied or derived from the mount args
*/
uid_t smi_uid; /* user id */
gid_t smi_gid; /* group id */
mode_t smi_fmode; /* mode for files */
mode_t smi_dmode; /* mode for dirs */
hrtime_t smi_acregmin; /* min time to hold cached file attr */
hrtime_t smi_acregmax; /* max time to hold cached file attr */
hrtime_t smi_acdirmin; /* min time to hold cached dir attr */
hrtime_t smi_acdirmax; /* max time to hold cached dir attr */
} smbmntinfo_t;
/*
* Attribute cache timeout defaults (in seconds).
*/
#define SMBFS_ACREGMIN 3 /* min secs to hold cached file attr */
#define SMBFS_ACREGMAX 60 /* max secs to hold cached file attr */
#define SMBFS_ACDIRMIN 30 /* min secs to hold cached dir attr */
#define SMBFS_ACDIRMAX 60 /* max secs to hold cached dir attr */
/* and limits for the mount options */
#define SMBFS_ACMINMAX 600 /* 10 min. is longest min timeout */
#define SMBFS_ACMAXMAX 3600 /* 1 hr is longest max timeout */
/*
* High-res time is nanoseconds.
*/
#define SEC2HR(sec) ((sec) * (hrtime_t)NANOSEC)
/*
* vnode pointer to mount info
*/
#define VTOSMI(vp) ((smbmntinfo_t *)(((vp)->v_vfsp)->vfs_data))
#define VFTOSMI(vfsp) ((smbmntinfo_t *)((vfsp)->vfs_data))
#define SMBINTR(vp) (VTOSMI(vp)->smi_flags & SMI_INT)
#endif /* _SMBFS_SMBFS_H */
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