Subversion Repositories HelenOS

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Ignore whitespace Rev 2541 → Rev 2542

/trunk/uspace/srv/vfs/vfs.c
32,7 → 32,7
 
/**
* @file vfs.c
* @brief VFS multiplexer for HelenOS.
* @brief VFS service for HelenOS.
*/
 
#include <ipc/ipc.h>
41,6 → 41,8
#include <errno.h>
#include <stdio.h>
#include <bool.h>
#include <string.h>
#include <as.h>
#include <libadt/list.h>
#include "vfs.h"
 
108,9 → 110,31
 
printf("VFS: HelenOS VFS server\n");
 
/*
* Initialize the list of registered file systems.
*/
list_initialize(&fs_head);
 
/*
* Allocate and initialize the Path Lookup Buffer.
*/
list_initialize(&plb_head);
plb = as_get_mappable_page(PLB_SIZE);
// memset(plb, 0, PLB_SIZE);
/*
* Set a connectio handling function/fibril.
*/
async_set_client_connection(vfs_connection);
 
/*
* Register at the naming service.
*/
ipc_connect_to_me(PHONE_NS, SERVICE_VFS, 0, &phonead);
 
/*
* Start accepting connections.
*/
async_manager();
return 0;
}
/trunk/uspace/srv/vfs/vfs_mount.c
0,0 → 1,56
/*
* 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 fs
* @{
*/
 
/**
* @file vfs.c
* @brief VFS_MOUNT method.
*/
 
#include <ipc/ipc.h>
#include <async.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <bool.h>
#include <futex.h>
#include <libadt/list.h>
#include "vfs.h"
 
vfs_node_t *rootfs = NULL;
 
void vfs_mount(ipc_callid_t rid, ipc_call_t *request)
{
}
 
/**
* @}
*/
/trunk/uspace/srv/vfs/vfs.h
36,7 → 36,7
#include <ipc/ipc.h>
#include <libadt/list.h>
#include <atomic.h>
#include <types.h>
#include <sys/types.h>
 
#define dprintf(...) printf(__VA_ARGS__)
 
44,8 → 44,6
 
#define IPC_METHOD_TO_VFS_OP(m) ((m) - VFS_FIRST)
 
typedef int64_t off_t;
 
typedef enum {
VFS_REGISTER = VFS_FIRST,
VFS_MOUNT,
125,10 → 123,28
off_t pos;
} vfs_file_t;
 
extern link_t fs_head;
extern link_t fs_head; /**< List of registered file systems. */
 
extern void vfs_register(ipc_callid_t rid, ipc_call_t *request);
extern vfs_node_t *rootfs; /**< Root node of the root file system. */
 
#define MAX_PATH_LEN (64 * 1024)
 
#define PLB_SIZE (2 * MAX_PATH_LEN)
 
/** Each instance of this type describes one path lookup in progress. */
typedef struct {
link_t plb_link; /**< Active PLB entries list link. */
unsigned index; /**< Index of the first character in PLB. */
size_t len; /**< Number of characters in this PLB entry. */
} plb_entry_t;
 
extern atomic_t plb_futex; /**< Futex protecting plb and plb_head. */
extern uint8_t *plb; /**< Path Lookup Buffer */
extern link_t plb_head; /**< List of active PLB entries. */
 
extern void vfs_register(ipc_callid_t, ipc_call_t *);
extern void vfs_lookup(ipc_callid_t, ipc_call_t *);
 
#endif
 
/**
/trunk/uspace/srv/vfs/vfs_lookup.c
0,0 → 1,60
/*
* 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 fs
* @{
*/
 
/**
* @file vfs.c
* @brief VFS_LOOKUP method and Path Lookup Buffer code.
*/
 
#include <ipc/ipc.h>
#include <async.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <bool.h>
#include <futex.h>
#include <libadt/list.h>
#include "vfs.h"
 
atomic_t plb_futex = FUTEX_INITIALIZER;
link_t plb_head;
uint8_t *plb = NULL;
 
void vfs_lookup(ipc_callid_t rid, ipc_call_t *request)
{
if (!rootfs)
ipc_answer_fast(rid, ENOENT, 0, 0);
}
 
/**
* @}
*/
/trunk/uspace/srv/vfs/Makefile
42,7 → 42,9
OUTPUT = vfs
SOURCES = \
vfs.c \
vfs_register.c
vfs_register.c \
vfs_lookup.c \
vfs_mount.c
 
OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))