WebSVN – HelenOS – Diff – /branches/dynload/uspace/lib/libfs/libfs.h


/*
 * Copyright (c) 2007 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
 */
 
/** @addtogroup libfs
 * @{
 */
/**
 * @file
 */
 
#ifndef LIBFS_LIBFS_H_
#define LIBFS_LIBFS_H_ 
 
#include "../../srv/vfs/vfs.h"
#include <stdint.h>
#include <ipc/ipc.h>
#include <async.h>
 
typedef struct {
    void * (* match)(void *, const char *);
    void * (* node_get)(dev_handle_t, fs_index_t);
    void (* node_put)(void *);
    void * (* create)(dev_handle_t, int);
    int (* destroy)(void *);
    int (* link)(void *, void *, const char *);
    int (* unlink)(void *, void *);
    fs_index_t (* index_get)(void *);
    size_t (* size_get)(void *);
    unsigned (* lnkcnt_get)(void *);
    bool (* has_children)(void *);
    void *(* root_get)(dev_handle_t);
    char (* plb_get_char)(unsigned pos);   
    bool (* is_directory)(void *);
    bool (* is_file)(void *);
} libfs_ops_t;
 
typedef struct {
    int fs_handle;      /**< File system handle. */
    ipcarg_t vfs_phonehash; /**< Initial VFS phonehash. */
    uint8_t *plb_ro;    /**< Read-only PLB view. */
} fs_reg_t;
 
extern int fs_register(int, fs_reg_t *, vfs_info_t *, async_client_conn_t);
 
extern void libfs_lookup(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);
 
#endif
 
/** @}
 */
 
 

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/lib/libfs/libfs.h – Rev 3588 → 3674

Rev 3588		Rev 3674
1	/*	1	/*
2	* Copyright (c) 2007 Jakub Jermar	2	* Copyright (c) 2007 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup libfs	29	/** @addtogroup libfs
30	* @{	30	* @{
31	*/	31	*/
32	/**	32	/**
33	* @file	33	* @file
34	*/	34	*/
35		35
36	#ifndef LIBFS_LIBFS_H_	36	#ifndef LIBFS_LIBFS_H_
37	#define LIBFS_LIBFS_H_	37	#define LIBFS_LIBFS_H_
38		38
39	#include "../../srv/vfs/vfs.h"	39	#include "../../srv/vfs/vfs.h"
40	#include <stdint.h>	40	#include <stdint.h>
41	#include <ipc/ipc.h>	41	#include <ipc/ipc.h>
42	#include <async.h>	42	#include <async.h>
43		43
44	typedef struct {	44	typedef struct {
45	void * (* match)(void , const char );	45	void * (* match)(void , const char );
46	void * (* node_get)(dev_handle_t, fs_index_t);	46	void * (* node_get)(dev_handle_t, fs_index_t);
47	void (* node_put)(void *);	47	void (* node_put)(void *);
48	void * (* create)(dev_handle_t, int);	48	void * (* create)(dev_handle_t, int);
49	int (* destroy)(void *);	49	int (* destroy)(void *);
50	bool (* link)(void , void , const char *);	50	int (* link)(void , void , const char *);
51	int (* unlink)(void , void );	51	int (* unlink)(void , void );
52	fs_index_t (* index_get)(void *);	52	fs_index_t (* index_get)(void *);
53	size_t (* size_get)(void *);	53	size_t (* size_get)(void *);
54	unsigned (* lnkcnt_get)(void *);	54	unsigned (* lnkcnt_get)(void *);
55	bool (* has_children)(void *);	55	bool (* has_children)(void *);
56	void ( root_get)(dev_handle_t);	56	void ( root_get)(dev_handle_t);
57	char (* plb_get_char)(unsigned pos);	57	char (* plb_get_char)(unsigned pos);
58	bool (* is_directory)(void *);	58	bool (* is_directory)(void *);
59	bool (* is_file)(void *);	59	bool (* is_file)(void *);
60	} libfs_ops_t;	60	} libfs_ops_t;
61		61
62	typedef struct {	62	typedef struct {
63	int fs_handle; /*< File system handle. /	63	int fs_handle; /*< File system handle. /
64	ipcarg_t vfs_phonehash; /*< Initial VFS phonehash. /	64	ipcarg_t vfs_phonehash; /*< Initial VFS phonehash. /
65	uint8_t plb_ro; /< Read-only PLB view. /	65	uint8_t plb_ro; /< Read-only PLB view. /
66	} fs_reg_t;	66	} fs_reg_t;
67		67
68	extern int fs_register(int, fs_reg_t , vfs_info_t , async_client_conn_t);	68	extern int fs_register(int, fs_reg_t , vfs_info_t , async_client_conn_t);
69		69
70	extern void libfs_lookup(libfs_ops_t , fs_handle_t, ipc_callid_t, ipc_call_t );	70	extern void libfs_lookup(libfs_ops_t , fs_handle_t, ipc_callid_t, ipc_call_t );
71		71
72	#endif	72	#endif
73		73
74	/** @}	74	/** @}
75	*/	75	*/
76		76
77		77