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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_CTFS_IMPL_H
#define _SYS_CTFS_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/contract.h>
#include <sys/gfs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Inode numbers
*/
/*
* Root inode:
* ---------------------------------------------------
* | 0 |
* ---------------------------------------------------
* 63 0
*/
#define CTFS_INO_ROOT 0
/*
* Contract-specific file:
* ---------------------------------------------------
* |1| file (62:32) | contract id (31:0) |
* ---------------------------------------------------
* 63 0
* file = 0 : directory
* file = 1 : "all" directory symlink
* file > 1 : special files ("ctl", "status", etc.)
*/
#define CTFS_INO_CT_SHIFT 32
#define CTFS_INO_CT(ctid, file) \
((1ULL << 63) | \
((unsigned long long)(file) << CTFS_INO_CT_SHIFT) | \
(ctid))
#define CTFS_INO_CT_DIR(ctid) CTFS_INO_CT((ctid), 0)
#define CTFS_INO_CT_LINK(ctid) CTFS_INO_CT((ctid), 1)
#define CTFS_INO_CT_FILE(ctid, file) CTFS_INO_CT((ctid), (file) + 2)
/*
* Type-specific file:
* ---------------------------------------------------
* | 0 | type (31:16) | file (15:0) |
* ---------------------------------------------------
* 63 0
* type = 0 : invalid
* type > 0 : contract type index + 1 ("all" is #types + 1)
* file = 0 : directory
* file > 0 : special files ("template", "latest", etc.)
*/
#define CTFS_INO_TYPE_SHIFT 16
#define CTFS_INO_TYPE(type, file) \
(((type) + 1) << CTFS_INO_TYPE_SHIFT | (file))
#define CTFS_INO_TYPE_DIR(type) CTFS_INO_TYPE((type), 0)
#define CTFS_INO_TYPE_FILE(type, file) CTFS_INO_TYPE((type), (file) + 1)
/*
* Other constants
*/
#define CTFS_NAME_MAX 32
/*
* Possible values for ctfs_endpt_flags, below.
*/
#define CTFS_ENDPT_SETUP 0x1
#define CTFS_ENDPT_NBLOCK 0x2
/*
* Common endpoint object.
*/
typedef struct ctfs_endpoint {
kmutex_t ctfs_endpt_lock;
ct_listener_t ctfs_endpt_listener;
uint_t ctfs_endpt_flags;
} ctfs_endpoint_t;
/*
* root directory data
*/
typedef gfs_dir_t ctfs_rootnode_t;
/*
* /all directory data
*/
typedef gfs_dir_t ctfs_adirnode_t;
/*
* /all symlink data
*/
typedef struct ctfs_symnode {
gfs_file_t ctfs_sn_file; /* gfs file */
contract_t *ctfs_sn_contract; /* target contract */
char *ctfs_sn_string; /* target path */
size_t ctfs_sn_size; /* length of target path */
} ctfs_symnode_t;
/*
* contract type directory data
*/
typedef gfs_dir_t ctfs_tdirnode_t;
/*
* contract directory data
*/
typedef struct ctfs_cdirnode {
gfs_dir_t ctfs_cn_dir; /* directory contents */
contract_t *ctfs_cn_contract; /* contract pointer */
contract_vnode_t ctfs_cn_linkage; /* contract vnode list node */
} ctfs_cdirnode_t;
/*
* template file data
*/
typedef struct ctfs_tmplnode {
gfs_file_t ctfs_tmn_file; /* gfs file */
ct_template_t *ctfs_tmn_tmpl; /* template pointer */
} ctfs_tmplnode_t;
/*
* ctl and status file data
*/
typedef struct ctfs_ctlnode {
gfs_file_t ctfs_ctl_file; /* gfs file */
contract_t *ctfs_ctl_contract; /* contract pointer */
} ctfs_ctlnode_t;
/*
* latest file data
*/
typedef gfs_dir_t ctfs_latenode_t;
/*
* events file data
*/
typedef struct ctfs_evnode {
gfs_file_t ctfs_ev_file; /* gfs file */
contract_t *ctfs_ev_contract; /* contract we're watching */
ctfs_endpoint_t ctfs_ev_listener; /* common endpoint data */
} ctfs_evnode_t;
/*
* bundle and pbundle file data
*/
typedef struct ctfs_bunode {
gfs_file_t ctfs_bu_file; /* gfs file */
ct_equeue_t *ctfs_bu_queue; /* queue we're watching */
ctfs_endpoint_t ctfs_bu_listener; /* common endpoint data */
} ctfs_bunode_t;
/*
* VFS data object
*/
typedef struct ctfs_vfs {
vnode_t *ctvfs_root; /* root vnode pointer */
} ctfs_vfs_t;
/*
* vnode creation routines
*/
extern vnode_t *ctfs_create_tdirnode(vnode_t *);
extern vnode_t *ctfs_create_tmplnode(vnode_t *);
extern vnode_t *ctfs_create_latenode(vnode_t *);
extern vnode_t *ctfs_create_pbundle(vnode_t *);
extern vnode_t *ctfs_create_bundle(vnode_t *);
extern vnode_t *ctfs_create_ctlnode(vnode_t *);
extern vnode_t *ctfs_create_statnode(vnode_t *);
extern vnode_t *ctfs_create_evnode(vnode_t *);
extern vnode_t *ctfs_create_adirnode(vnode_t *);
extern vnode_t *ctfs_create_cdirnode(vnode_t *, contract_t *);
extern vnode_t *ctfs_create_symnode(vnode_t *, contract_t *);
/*
* common ctfs routines
*/
extern void ctfs_common_getattr(vnode_t *, vattr_t *);
extern int ctfs_close(vnode_t *, int, int, offset_t, cred_t *,
caller_context_t *);
extern int ctfs_access_dir(vnode_t *, int, int, cred_t *,
caller_context_t *);
extern int ctfs_access_readonly(vnode_t *, int, int, cred_t *,
caller_context_t *);
extern int ctfs_access_readwrite(vnode_t *, int, int, cred_t *,
caller_context_t *);
extern int ctfs_open(vnode_t **, int, cred_t *,
caller_context_t *);
/*
* vnode ops vector templates
*/
extern vnodeops_t *ctfs_ops_root;
extern vnodeops_t *ctfs_ops_adir;
extern vnodeops_t *ctfs_ops_sym;
extern vnodeops_t *ctfs_ops_tdir;
extern vnodeops_t *ctfs_ops_tmpl;
extern vnodeops_t *ctfs_ops_cdir;
extern vnodeops_t *ctfs_ops_ctl;
extern vnodeops_t *ctfs_ops_stat;
extern vnodeops_t *ctfs_ops_event;
extern vnodeops_t *ctfs_ops_bundle;
extern vnodeops_t *ctfs_ops_latest;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CTFS_IMPL_H */
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