/**
* Get the blocks 0 -> 4 and hold them. Wake the master to tell it was have the
* buffers then wait for the master to tell us to release a single buffer.
* Task 1 will be block waiting for each buffer. It is a higher priority.
*/
static void
bdbuf_tests_task_0_test_2 (bdbuf_task_control* tc)
{
rtems_status_code sc;
bool passed;
int i;
rtems_bdbuf_buffer* bd;
rtems_chain_control buffers;
/*
* Set task control's passed to false to handle a timeout.
*/
tc->passed = false;
passed = true;
/*
* Get the blocks 0 -> 4 and hold them.
*/
rtems_chain_initialize_empty (&buffers);
for (i = 0; (i < 5) && passed; i++)
{
bdbuf_test_printf ("%s: rtems_bdbuf_get[%d]: ", tc->name, i);
sc = rtems_bdbuf_get (tc->dd, i, &bd);
if (!bdbuf_test_print_sc (sc, true))
passed = false;
rtems_chain_append (&buffers, &bd->link);
}
/*
* Wake the master to tell it we have the buffers.
*/
bdbuf_send_wait_event (tc->name, "wake master", tc->master);
if (passed)
{
/*
* For each buffer we hold wait until the master wakes us
* and then return it. Task 2 will block waiting for this
* buffer. It is a higher priority task.
*/
for (i = 0; (i < 5) && passed; i++)
{
sc = bdbuf_wait (tc->name, BDBUF_SECONDS (5));
if (sc != RTEMS_SUCCESSFUL)
{
bdbuf_test_printf ("%s: wait failed: ", tc->name);
bdbuf_test_print_sc (sc, true);
passed = false;
break;
}
else
{
bdbuf_test_printf ("%s: rtems_bdbuf_release[%d]: unblocks task 1\n",
tc->name, i);
bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers);
sc = rtems_bdbuf_release (bd);
bdbuf_test_printf ("%s: rtems_bdbuf_release[%d]: ", tc->name, i);
if (!bdbuf_test_print_sc (sc, true))
{
passed = false;
break;
}
}
}
}
tc->passed = passed;
tc->test = 0;
}
static void test_chain_with_notification(void)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_chain_control chain;
rtems_chain_node a;
rtems_chain_node b;
rtems_chain_node *p = (rtems_chain_node *) 1;
rtems_event_set out = 0;
puts( "INIT - Verify rtems_chain_append_with_notification" );
rtems_chain_initialize_empty( &chain );
sc = rtems_chain_append_with_notification(
&chain,
&a,
rtems_task_self(),
EVENT
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_chain_get_with_wait( &chain, EVENT, TIMEOUT, &p );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( p == &a );
rtems_chain_initialize_empty( &chain );
rtems_chain_append( &chain, &b );
sc = rtems_chain_append_with_notification(
&chain,
&a,
rtems_task_self(),
EVENT
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( p == &a );
puts( "INIT - Verify rtems_chain_prepend_with_notification" );
rtems_chain_initialize_empty( &chain );
sc = rtems_chain_prepend_with_notification(
&chain,
&a,
rtems_task_self(),
EVENT
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
sc = rtems_chain_get_with_wait( &chain, EVENT, TIMEOUT, &p );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( p == &a );
rtems_chain_prepend( &chain, &b );
sc = rtems_chain_prepend_with_notification(
&chain,
&a,
rtems_task_self(),
EVENT
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( p == &a );
puts( "INIT - Verify rtems_chain_prepend_with_notification" );
puts( "INIT - Verify rtems_chain_get_with_notification" );
rtems_chain_initialize_empty( &chain );
rtems_chain_append( &chain, &b );
rtems_chain_append( &chain, &a );
sc = rtems_chain_get_with_notification(&chain, rtems_task_self(), EVENT, &p);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( p == &b );
sc = rtems_chain_get_with_notification(&chain, rtems_task_self(), EVENT, &p);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( p == &a );
sc = rtems_event_receive(
EVENT,
RTEMS_EVENT_ALL | RTEMS_WAIT,
TIMEOUT,
&out
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
rtems_test_assert( out == EVENT );
}
static void
bdbuf_tests_task_0_test_8 (bdbuf_task_control* tc)
{
rtems_status_code sc;
bool passed;
int i;
rtems_bdbuf_buffer* bd;
rtems_chain_control buffers;
rtems_chain_node* node;
rtems_chain_node* pnode;
/*
* Set task control's passed to false to handle a timeout.
*/
tc->passed = false;
passed = true;
/*
* Clear any disk settings.
*/
bdbuf_clear_disk_driver_watch (tc);
bdbuf_set_disk_driver_action (tc, BDBUF_DISK_NOOP);
/*
* Get the blocks 0 -> 4 and hold them.
*/
rtems_chain_initialize_empty (&buffers);
for (i = 0; (i < 5) && passed; i++)
{
bdbuf_test_printf ("%s: rtems_bdbuf_read[%d]: ", tc->name, i);
sc = rtems_bdbuf_get (tc->dd, i, &bd);
if (!bdbuf_test_print_sc (sc, true))
passed = false;
rtems_chain_append (&buffers, &bd->link);
}
node = rtems_chain_tail (&buffers);
node = node->previous;
bd = (rtems_bdbuf_buffer*) node;
pnode = node->previous;
rtems_chain_extract (node);
node = pnode;
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[4]: ", tc->name);
passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), true);
bd = (rtems_bdbuf_buffer*) node;
pnode = node->previous;
rtems_chain_extract (node);
node = pnode;
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[3]: ", tc->name);
passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), true);
for (i = 0; (i < 3) && passed; i++)
{
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ",
tc->name, i);
bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers);
passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd),
true);
}
if (passed)
{
/*
* Check the block order.
*/
bdbuf_set_disk_driver_action (tc, BDBUF_DISK_BLOCKS_INORDER);
bdbuf_test_printf ("%s: rtems_bdbuf_syncdev[%d:%d]: checking order\n",
tc->name, i,
tc->major,
tc->minor);
sc = rtems_bdbuf_syncdev (tc->dd);
bdbuf_test_printf ("%s: rtems_bdbuf_syncdev[%d:%d]: ",
tc->name, i,
tc->major,
tc->minor);
passed = bdbuf_test_print_sc (sc, true);
}
tc->passed = passed;
tc->test = 0;
}
/*
* Create an IMFS filesystem node of an arbitrary type that is NOT
* the root directory node.
*/
IMFS_jnode_t *IMFS_create_node(
rtems_filesystem_location_info_t *parent_loc,
IMFS_jnode_types_t type,
const char *name,
mode_t mode,
const IMFS_types_union *info
)
{
IMFS_jnode_t *node;
IMFS_jnode_t *parent;
IMFS_fs_info_t *fs_info;
/*
* MUST have a parent node to call this routine.
*/
if ( parent_loc == NULL )
return NULL;
/*
* Allocate filesystem node and fill in basic information
*/
node = IMFS_allocate_node( type, name, mode & ~rtems_filesystem_umask );
if ( !node )
return NULL;
/*
* Set the type specific information
*/
switch (type) {
case IMFS_DIRECTORY:
rtems_chain_initialize_empty(&node->info.directory.Entries);
break;
case IMFS_HARD_LINK:
node->info.hard_link.link_node = info->hard_link.link_node;
break;
case IMFS_SYM_LINK:
node->info.sym_link.name = info->sym_link.name;
break;
case IMFS_DEVICE:
node->info.device.major = info->device.major;
node->info.device.minor = info->device.minor;
break;
case IMFS_LINEAR_FILE:
node->info.linearfile.size = 0;
node->info.linearfile.direct = 0;
case IMFS_MEMORY_FILE:
node->info.file.size = 0;
node->info.file.indirect = 0;
node->info.file.doubly_indirect = 0;
node->info.file.triply_indirect = 0;
break;
case IMFS_FIFO:
node->info.fifo.pipe = NULL;
break;
default:
assert(0);
break;
}
/*
* This node MUST have a parent, so put it in that directory list.
*/
parent = parent_loc->node_access;
fs_info = parent_loc->mt_entry->fs_info;
node->Parent = parent;
node->st_ino = ++fs_info->ino_count;
rtems_chain_append( &parent->info.directory.Entries, &node->Node );
return node;
}
int
rtems_rfs_fs_open (const char* name,
void* user,
uint32_t flags,
rtems_rfs_file_system** fs)
{
rtems_rfs_group* group;
size_t group_base;
rtems_rfs_inode_handle inode;
uint16_t mode;
int rc;
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: %s\n", name);
*fs = malloc (sizeof (rtems_rfs_file_system));
if (!*fs)
{
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: no memory for file system data\n");
errno = ENOMEM;
return -1;
}
memset (*fs, 0, sizeof (rtems_rfs_file_system));
(*fs)->user = user;
rtems_chain_initialize_empty (&(*fs)->buffers);
rtems_chain_initialize_empty (&(*fs)->release);
rtems_chain_initialize_empty (&(*fs)->release_modified);
rtems_chain_initialize_empty (&(*fs)->file_shares);
(*fs)->max_held_buffers = RTEMS_RFS_FS_MAX_HELD_BUFFERS;
(*fs)->buffers_count = 0;
(*fs)->release_count = 0;
(*fs)->release_modified_count = 0;
(*fs)->flags = flags;
group = &(*fs)->groups[0];
group_base = 0;
/*
* Open the buffer interface.
*/
rc = rtems_rfs_buffer_open (name, *fs);
if (rc > 0)
{
free (*fs);
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: buffer open failed: %d: %s\n",
rc, strerror (rc));
errno = rc;
return -1;
}
rc = rtems_rfs_fs_read_superblock (*fs);
if (rc > 0)
{
rtems_rfs_buffer_close (*fs);
free (*fs);
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: reading superblock: %d: %s\n",
rc, strerror (rc));
errno = rc;
return -1;
}
rc = rtems_rfs_inode_open (*fs, RTEMS_RFS_ROOT_INO, &inode, true);
if (rc > 0)
{
rtems_rfs_buffer_close (*fs);
free (*fs);
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: reading root inode: %d: %s\n",
rc, strerror (rc));
errno = rc;
return -1;
}
if (((*fs)->flags & RTEMS_RFS_FS_FORCE_OPEN) == 0)
{
mode = rtems_rfs_inode_get_mode (&inode);
if ((mode == 0xffff) || !RTEMS_RFS_S_ISDIR (mode))
{
rtems_rfs_inode_close (*fs, &inode);
rtems_rfs_buffer_close (*fs);
free (*fs);
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: invalid root inode mode\n");
errno = EIO;
return -1;
}
}
rc = rtems_rfs_inode_close (*fs, &inode);
if (rc > 0)
{
rtems_rfs_buffer_close (*fs);
free (*fs);
if (rtems_rfs_trace (RTEMS_RFS_TRACE_OPEN))
printf ("rtems-rfs: open: closing root inode: %d: %s\n", rc, strerror (rc));
errno = rc;
return -1;
}
errno = 0;
return 0;
}
/**
* Get all the blocks in the pool and hold them. Wake the master to tell it was
* have the buffers then wait for the master to tell us to release them.
*/
static void
bdbuf_tests_task_0_test_4 (bdbuf_task_control* tc)
{
rtems_status_code sc;
bool passed;
size_t i;
rtems_bdbuf_buffer* bd;
rtems_chain_control buffers;
size_t num = bdbuf_test_buffer_count ();
/*
* Set task control's passed to false to handle a timeout.
*/
tc->passed = false;
passed = true;
/*
* Clear any disk settings.
*/
bdbuf_clear_disk_driver_watch (tc);
bdbuf_set_disk_driver_action (tc, BDBUF_DISK_NOOP);
/*
* Get the blocks 0 -> 4 and hold them.
*/
rtems_chain_initialize_empty (&buffers);
for (i = 0; (i < num) && passed; i++)
{
bdbuf_test_printf ("%s: rtems_bdbuf_read[%d]: ", tc->name, i);
sc = rtems_bdbuf_read (tc->dd, i, &bd);
if (!bdbuf_test_print_sc (sc, true))
passed = false;
rtems_chain_append (&buffers, &bd->link);
}
/*
* Wake the master to tell it we have the buffers.
*/
bdbuf_send_wait_event (tc->name, "wake master", tc->master);
if (passed)
{
bdbuf_sleep (250);
bdbuf_set_disk_driver_watch (tc, num / 2);
/*
* Release half the buffers, wait 500msecs then release the
* remainder. This tests the swap out timer on each buffer.
*/
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[0]: unblocks task 1\n",
tc->name);
bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers);
sc = rtems_bdbuf_release_modified (bd);
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[0]: ", tc->name);
passed = bdbuf_test_print_sc (sc, true);
if (passed)
{
for (i = 1; (i < (num / 2)) && passed; i++)
{
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: " \
"unblocks task 1\n", tc->name, i);
bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers);
sc = rtems_bdbuf_release_modified (bd);
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ",
tc->name, i);
passed = bdbuf_test_print_sc (sc, true);
if (!passed)
break;
}
if (passed)
{
passed = bdbuf_disk_driver_watch_wait (tc, BDBUF_SECONDS (5));
if (passed)
{
bdbuf_sleep (500);
bdbuf_set_disk_driver_watch (tc, num / 2);
for (i = 0; (i < (num / 2)) && passed; i++)
{
bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ",
tc->name, i + (num / 2));
bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers);
passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd),
true);
if (!passed)
break;
}
passed = bdbuf_disk_driver_watch_wait (tc, BDBUF_SECONDS (5));
if (passed)
{
if (!rtems_chain_is_empty (&buffers))
{
passed = false;
bdbuf_test_printf ("%s: buffer chain not empty\n", tc->name);
}
}
}
}
}
}
tc->passed = passed;
tc->test = 0;
}
/* fat_init_volume_info --
* Get inforamtion about volume on which filesystem is mounted on
*
* PARAMETERS:
* mt_entry - mount table entry
*
* RETURNS:
* RC_OK on success, or -1 if error occured
* and errno set appropriately
*/
int
fat_init_volume_info(rtems_filesystem_mount_table_entry_t *mt_entry)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
int rc = RC_OK;
fat_fs_info_t *fs_info = mt_entry->fs_info;
register fat_vol_t *vol = &fs_info->vol;
uint32_t data_secs = 0;
char boot_rec[FAT_MAX_BPB_SIZE];
char fs_info_sector[FAT_USEFUL_INFO_SIZE];
ssize_t ret = 0;
struct stat stat_buf;
int i = 0;
rtems_bdbuf_buffer *block = NULL;
vol->fd = open(mt_entry->dev, O_RDWR);
if (vol->fd < 0)
{
rtems_set_errno_and_return_minus_one(ENXIO);
}
rc = fstat(vol->fd, &stat_buf);
if (rc != 0)
{
close(vol->fd);
rtems_set_errno_and_return_minus_one(ENXIO);
}
/* Must be a block device. */
if (!S_ISBLK(stat_buf.st_mode))
{
close(vol->fd);
rtems_set_errno_and_return_minus_one(ENXIO);
}
/* check that device is registred as block device and lock it */
rc = rtems_disk_fd_get_disk_device(vol->fd, &vol->dd);
if (rc != 0) {
close(vol->fd);
rtems_set_errno_and_return_minus_one(ENXIO);
}
/* Read boot record */
/* FIXME: Asserts FAT_MAX_BPB_SIZE < bdbuf block size */
sc = rtems_bdbuf_read( vol->dd, 0, &block);
if (sc != RTEMS_SUCCESSFUL)
{
close(vol->fd);
rtems_set_errno_and_return_minus_one( EIO);
}
memcpy( boot_rec, block->buffer, FAT_MAX_BPB_SIZE);
sc = rtems_bdbuf_release( block);
if (sc != RTEMS_SUCCESSFUL)
{
close(vol->fd);
rtems_set_errno_and_return_minus_one( EIO );
}
/* Evaluate boot record */
vol->bps = FAT_GET_BR_BYTES_PER_SECTOR(boot_rec);
if ( (vol->bps != 512) &&
(vol->bps != 1024) &&
(vol->bps != 2048) &&
(vol->bps != 4096))
{
close(vol->fd);
rtems_set_errno_and_return_minus_one( EINVAL );
}
for (vol->sec_mul = 0, i = (vol->bps >> FAT_SECTOR512_BITS); (i & 1) == 0;
i >>= 1, vol->sec_mul++);
for (vol->sec_log2 = 0, i = vol->bps; (i & 1) == 0;
i >>= 1, vol->sec_log2++);
vol->spc = FAT_GET_BR_SECTORS_PER_CLUSTER(boot_rec);
/*
* "sectors per cluster" of zero is invalid
* (and would hang the following loop)
*/
if (vol->spc == 0)
{
close(vol->fd);
rtems_set_errno_and_return_minus_one(EINVAL);
}
for (vol->spc_log2 = 0, i = vol->spc; (i & 1) == 0;
i >>= 1, vol->spc_log2++);
/*
* "bytes per cluster" value greater than 32K is invalid
*/
if ((vol->bpc = vol->bps << vol->spc_log2) > MS_BYTES_PER_CLUSTER_LIMIT)
{
close(vol->fd);
rtems_set_errno_and_return_minus_one(EINVAL);
}
for (vol->bpc_log2 = 0, i = vol->bpc; (i & 1) == 0;
i >>= 1, vol->bpc_log2++);
vol->fats = FAT_GET_BR_FAT_NUM(boot_rec);
vol->fat_loc = FAT_GET_BR_RESERVED_SECTORS_NUM(boot_rec);
vol->rdir_entrs = FAT_GET_BR_FILES_PER_ROOT_DIR(boot_rec);
/* calculate the count of sectors occupied by the root directory */
vol->rdir_secs = ((vol->rdir_entrs * FAT_DIRENTRY_SIZE) + (vol->bps - 1)) /
vol->bps;
vol->rdir_size = vol->rdir_secs << vol->sec_log2;
if ( (FAT_GET_BR_SECTORS_PER_FAT(boot_rec)) != 0)
vol->fat_length = FAT_GET_BR_SECTORS_PER_FAT(boot_rec);
else
vol->fat_length = FAT_GET_BR_SECTORS_PER_FAT32(boot_rec);
vol->data_fsec = vol->fat_loc + vol->fats * vol->fat_length +
vol->rdir_secs;
/* for FAT12/16 root dir starts at(sector) */
vol->rdir_loc = vol->fat_loc + vol->fats * vol->fat_length;
if ( (FAT_GET_BR_TOTAL_SECTORS_NUM16(boot_rec)) != 0)
vol->tot_secs = FAT_GET_BR_TOTAL_SECTORS_NUM16(boot_rec);
else
vol->tot_secs = FAT_GET_BR_TOTAL_SECTORS_NUM32(boot_rec);
data_secs = vol->tot_secs - vol->data_fsec;
vol->data_cls = data_secs / vol->spc;
/* determine FAT type at least */
if ( vol->data_cls < FAT_FAT12_MAX_CLN)
{
vol->type = FAT_FAT12;
vol->mask = FAT_FAT12_MASK;
vol->eoc_val = FAT_FAT12_EOC;
}
else
{
if ( vol->data_cls < FAT_FAT16_MAX_CLN)
{
vol->type = FAT_FAT16;
vol->mask = FAT_FAT16_MASK;
vol->eoc_val = FAT_FAT16_EOC;
}
else
{
vol->type = FAT_FAT32;
vol->mask = FAT_FAT32_MASK;
vol->eoc_val = FAT_FAT32_EOC;
}
}
if (vol->type == FAT_FAT32)
{
vol->rdir_cl = FAT_GET_BR_FAT32_ROOT_CLUSTER(boot_rec);
vol->mirror = FAT_GET_BR_EXT_FLAGS(boot_rec) & FAT_BR_EXT_FLAGS_MIRROR;
if (vol->mirror)
vol->afat = FAT_GET_BR_EXT_FLAGS(boot_rec) & FAT_BR_EXT_FLAGS_FAT_NUM;
else
vol->afat = 0;
vol->info_sec = FAT_GET_BR_FAT32_FS_INFO_SECTOR(boot_rec);
if( vol->info_sec == 0 )
{
close(vol->fd);
rtems_set_errno_and_return_minus_one( EINVAL );
}
else
{
ret = _fat_block_read(mt_entry, vol->info_sec , 0,
FAT_FSI_LEADSIG_SIZE, fs_info_sector);
if ( ret < 0 )
{
close(vol->fd);
return -1;
}
if (FAT_GET_FSINFO_LEAD_SIGNATURE(fs_info_sector) !=
FAT_FSINFO_LEAD_SIGNATURE_VALUE)
{
_fat_block_release(mt_entry);
close(vol->fd);
rtems_set_errno_and_return_minus_one( EINVAL );
}
else
{
ret = _fat_block_read(mt_entry, vol->info_sec , FAT_FSI_INFO,
FAT_USEFUL_INFO_SIZE, fs_info_sector);
if ( ret < 0 )
{
_fat_block_release(mt_entry);
close(vol->fd);
return -1;
}
vol->free_cls = FAT_GET_FSINFO_FREE_CLUSTER_COUNT(fs_info_sector);
vol->next_cl = FAT_GET_FSINFO_NEXT_FREE_CLUSTER(fs_info_sector);
rc = fat_fat32_update_fsinfo_sector(mt_entry, 0xFFFFFFFF,
0xFFFFFFFF);
if ( rc != RC_OK )
{
_fat_block_release(mt_entry);
close(vol->fd);
return rc;
}
}
}
}
else
{
vol->rdir_cl = 0;
vol->mirror = 0;
vol->afat = 0;
vol->free_cls = 0xFFFFFFFF;
vol->next_cl = 0xFFFFFFFF;
}
_fat_block_release(mt_entry);
vol->afat_loc = vol->fat_loc + vol->fat_length * vol->afat;
/* set up collection of fat-files fd */
fs_info->vhash = calloc(FAT_HASH_SIZE, sizeof(rtems_chain_control));
if ( fs_info->vhash == NULL )
{
close(vol->fd);
rtems_set_errno_and_return_minus_one( ENOMEM );
}
for (i = 0; i < FAT_HASH_SIZE; i++)
rtems_chain_initialize_empty(fs_info->vhash + i);
fs_info->rhash = calloc(FAT_HASH_SIZE, sizeof(rtems_chain_control));
if ( fs_info->rhash == NULL )
{
close(vol->fd);
free(fs_info->vhash);
rtems_set_errno_and_return_minus_one( ENOMEM );
}
for (i = 0; i < FAT_HASH_SIZE; i++)
rtems_chain_initialize_empty(fs_info->rhash + i);
fs_info->uino_pool_size = FAT_UINO_POOL_INIT_SIZE;
fs_info->uino_base = (vol->tot_secs << vol->sec_mul) << 4;
fs_info->index = 0;
fs_info->uino = (char *)calloc(fs_info->uino_pool_size, sizeof(char));
if ( fs_info->uino == NULL )
{
close(vol->fd);
free(fs_info->vhash);
free(fs_info->rhash);
rtems_set_errno_and_return_minus_one( ENOMEM );
}
fs_info->sec_buf = (uint8_t *)calloc(vol->bps, sizeof(uint8_t));
if (fs_info->sec_buf == NULL)
{
close(vol->fd);
free(fs_info->vhash);
free(fs_info->rhash);
free(fs_info->uino);
rtems_set_errno_and_return_minus_one( ENOMEM );
}
return RC_OK;
}
int
rtems_rfs_format (const char* name, const rtems_rfs_format_config* config)
{
rtems_rfs_file_system fs;
int group;
int rc;
if (config->verbose)
printf ("rtems-rfs: format: %s\n", name);
memset (&fs, 0, sizeof (rtems_rfs_file_system));
rtems_chain_initialize_empty (&fs.buffers);
rtems_chain_initialize_empty (&fs.release);
rtems_chain_initialize_empty (&fs.release_modified);
rtems_chain_initialize_empty (&fs.file_shares);
fs.max_held_buffers = RTEMS_RFS_FS_MAX_HELD_BUFFERS;
fs.release_count = 0;
fs.release_modified_count = 0;
fs.flags = RTEMS_RFS_FS_NO_LOCAL_CACHE;
/*
* Open the buffer interface.
*/
rc = rtems_rfs_buffer_open (name, &fs);
if (rc > 0)
{
printf ("rtems-rfs: format: buffer open failed: %d: %s\n",
rc, strerror (rc));
return -1;
}
/*
* Check the media.
*/
if (rtems_rfs_fs_media_block_size (&fs) == 0)
{
printf ("rtems-rfs: media block is invalid: %" PRIu32 "\n",
rtems_rfs_fs_media_block_size (&fs));
return -1;
}
/*
* Check the configuration data.
*/
if (!rtems_rfs_check_config (&fs, config))
return -1;
if (config->verbose)
{
printf ("rtems-rfs: format: media size = %" PRIu64 "\n",
rtems_rfs_fs_media_size (&fs));
printf ("rtems-rfs: format: media blocks = %" PRIu32 "\n",
rtems_rfs_fs_media_blocks (&fs));
printf ("rtems-rfs: format: media block size = %" PRIu32 "\n",
rtems_rfs_fs_media_block_size (&fs));
printf ("rtems-rfs: format: size = %" PRIu64 "\n",
rtems_rfs_fs_size (&fs));
printf ("rtems-rfs: format: blocks = %zu\n",
rtems_rfs_fs_blocks (&fs));
printf ("rtems-rfs: format: block size = %zu\n",
rtems_rfs_fs_block_size (&fs));
printf ("rtems-rfs: format: bits per block = %u\n",
rtems_rfs_bits_per_block (&fs));
printf ("rtems-rfs: format: inode size = %zu\n", RTEMS_RFS_INODE_SIZE);
printf ("rtems-rfs: format: inodes = %zu (%d.%d%%)\n",
fs.group_inodes * fs.group_count,
rtems_rfs_inode_overhead (&fs) / 10,
rtems_rfs_inode_overhead (&fs) % 10);
printf ("rtems-rfs: format: groups = %u\n", fs.group_count);
printf ("rtems-rfs: format: group blocks = %zu\n", fs.group_blocks);
printf ("rtems-rfs: format: group inodes = %zu\n", fs.group_inodes);
}
rc = rtems_rfs_buffer_setblksize (&fs, rtems_rfs_fs_block_size (&fs));
if (rc > 0)
{
printf ("rtems-rfs: format: setting block size failed: %d: %s\n",
rc, strerror (rc));
return -1;
}
if (!rtems_rfs_write_superblock (&fs))
{
printf ("rtems-rfs: format: superblock write failed\n");
return -1;
}
for (group = 0; group < fs.group_count; group++)
if (!rtems_rfs_write_group (&fs, group,
config->initialise_inodes, config->verbose))
return -1;
if (config->verbose)
printf ("\n");
rc = rtems_rfs_buffer_close (&fs);
if (rc > 0)
{
printf ("rtems-rfs: format: buffer close failed: %d: %s\n",
rc, strerror (rc));
return -1;
}
rc = rtems_rfs_write_root_dir (name);
if (rc > 0)
{
printf ("rtems-rfs: format: writing root dir failed: %d: %s\n",
rc, strerror (rc));
return -1;
}
return 0;
}