STATUS usrRamDiskInit ()
{
BLK_DEV *pBlkDev;
DOS_VOL_DESC *pVolDesc;
/* create a ram disk */
pBlkDev=ramDevCreate(0, 512, 400, 200000, 0);
if(pBlkDev==NULL){
printf("ran disk create error!!\n");
printErrno();
return ERROR;
}
/* Create Ram Disk Device */
/*if(dosFsDevCreate("/ram0", pBlkDev, 4, NULL)==NULL){
printf("create ramdisk error!!!\n");
printErrno();
return ERROR;
}*/
/* Format dosFs */
/*if(dosFsVolFormat(pBlkDev, DOS_OPT_BLANK | DOS_OPT_QUIET | DOS_OPT_FAT32, NULL)==NULL){
printf("Format dosFs error!!!\n");
printErrno();
return ERROR;
}*/
pVolDesc=dosFsMkfs("/ram0",pBlkDev);
return OK;
}
STATUS myblkDrv_fn(void)
{
/*pBlkDev = myBlkCreate();
if(pBlkDev==NULL)
printf("Error\n");
else
printf("\n GOOD\n");
return OK;*/
BLK_DEV *pBlkDev;
DOS_VOL_DESC *pVolDesc;
pBlkDev = ramDevCreate (0, 512, 400, 400, 0);
/*if (dosFsDevCreate ("DEV1:", pBlkDev, 20, NULL) == ERROR)
{
printErrno( );
};
/* if you want to format then do the following */
/* if (dosFsVolFormat ("DEV1:", 2, NULL) == ERROR)
{
printErrno( );
}*/
}
int32 OS_mkfs (char *address, char *devname, char *volname, uint32 blocksize,
uint32 numblocks)
{
int i;
int status;
char local_volname[OS_MAX_PATH_LEN];
uint32 ReturnCode;
BLK_DEV *ramDev;
device_t xbd;
#ifdef USE_VXWORKS_ATA_DRIVER
BLK_DEV *ataBlkDev;
#endif
if ( devname == NULL || volname == NULL )
return OS_FS_ERR_INVALID_POINTER;
/*
** Find an open entry in the Volume Table
*/
for (i = 0; i < NUM_TABLE_ENTRIES; i++)
{
if (OS_VolumeTable[i].FreeFlag == TRUE && OS_VolumeTable[i].IsMounted == FALSE
&& strcmp(OS_VolumeTable[i].DeviceName, devname) == 0)
break;
}
if (i >= NUM_TABLE_ENTRIES)
return OS_FS_ERR_DEVICE_NOT_FREE;
/*
** Now enter the info in the table
*/
OS_VolumeTable[i].FreeFlag = FALSE;
strcpy(OS_VolumeTable[i].VolumeName, volname);
OS_VolumeTable[i].BlockSize = blocksize;
/*
** Note we don't know the mount point/physical device name yet
*/
strcpy(local_volname,volname);
if (OS_VolumeTable[i].VolumeType == RAM_DISK)
{
printf("OSAL: Making a RAM disk at: 0x%08X\n",(unsigned long)address );
/*
** Create the ram disk device
** The 32 is the number of blocks per track.
** Other values dont seem to work here
*/
ramDev = ramDevCreate (address, blocksize , 32 , numblocks, 0);
if (ramDev == NULL)
{
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
/*
** Connect the ram drive to the xbd block device
*/
xbd = xbdBlkDevCreate(ramDev,local_volname);
if (xbd == NULLDEV)
{
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
/*
** Delay to allow the XBD operation to complete
*/
(void) taskDelay(100);
/*
** Determine the vxWorks device name and store it
** in the Physical Device field of the volume table.
** It will be used for determining the path in OS_NameChange
*/
strcat(local_volname,":0");
strncpy(OS_VolumeTable[i].PhysDevName, local_volname, 32 );
/*
** Call the dos format routine
*/
status = dosFsVolFormat(OS_VolumeTable[i].PhysDevName, DOS_OPT_BLANK, NULL);
if ( status == -1 )
{
printf("OSAL: dosFsVolFormat failed. Errno = %d\n",errnoGet());
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
ReturnCode = OS_FS_SUCCESS;
}
}
}
else if (OS_VolumeTable[i].VolumeType == FS_BASED)
{
/*
** FS_BASED will map the cFE to an already mounted filesystem
*/
/*
** now enter the info in the table
*/
OS_VolumeTable[i].FreeFlag = FALSE;
strcpy(OS_VolumeTable[i].VolumeName, volname);
OS_VolumeTable[i].BlockSize = blocksize;
ReturnCode = OS_FS_SUCCESS;
}
#ifdef USE_VXWORKS_ATA_DRIVER
/*
** Format an ATA disk
** This code requires an ATA driver in the BSP, so it must be
** left out of the compilation BSPs without.
*/
/* --------------------------------------------- */
else if (OS_VolumeTable[i].VolumeType == ATA_DISK)
{
printf("OSAL: Formatting a FLASH DISK\n");
/*
** Create the Flash disk device
*/
if( (ataBlkDev = ataDevCreate( 0, 0, 0, 0)) == NULL)
{
printf("OSAL: Error Creating flash disk device.\n");
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
printf("OSAL: FLASH device initialized.\n");
/*
** Attach to the XBD layer
*/
xbd = xbdBlkDevCreate(ataBlkDev,local_volname);
if (xbd == NULLDEV)
{
printf("OSAL: Error Creating XBD device on FLASH disk.\n");
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
/*
** Delay to allow the XBD operation to complete
*/
(void) taskDelay(100);
/*
** Determine the vxWorks device name and store it
** in the Physical Device field of the volume table.
** It will be used for determining the path in OS_NameChange
*/
status = OS_GetPhysDeviceName(OS_VolumeTable[i].PhysDevName, local_volname);
if ( status == OS_FS_ERROR )
{
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
/*
** Format the Device with the DOS file system
*/
if ( dosFsVolFormat(OS_VolumeTable[i].PhysDevName,DOS_OPT_BLANK,NULL) == ERROR )
{
printf("OSAL: DOS format error on flash disk.\n");
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
ReturnCode = OS_FS_SUCCESS;
}
}
}
}
}/* if ATA_DISK */
#endif
else
{
/*
** VolumeType is something else that is not supported right now
*/
ReturnCode = OS_FS_ERROR;
}
return ReturnCode;
} /* end OS_mkfs */
/*---------------------------------------------------------------------------------------
Name: OS_initfs
Purpose: Re-initialize an existing file system. This is used primarily for
vxWorks where we need to re-attach to an existing file system on
either the RAM, EEPROM, or FLASH drives.
Returns: OS_FS_ERR_INVALID_POINTER if devname is NULL
OS_FS_ERR_DRIVE_NOT_CREATED if the OS calls to create the the drive failed
OS_FS_ERR_PATH_TOO_LONG if the name is too long
OS_FS_ERR_DEVICE_NOT_FREE if the volume table is full
OS_FS_SUCCESS on creating the disk
Note: if address == 0, then a malloc will be called to create the disk
---------------------------------------------------------------------------------------*/
int32 OS_initfs (char *address, char *devname, char *volname, uint32 blocksize,
uint32 numblocks)
{
int i;
char local_volname[OS_MAX_PATH_LEN];
uint32 ReturnCode;
BLK_DEV *ramDev;
device_t xbd;
#ifdef USE_VXWORKS_ATA_DRIVER
BLK_DEV *ataBlkDev;
int32 status;
#endif
if ( devname == NULL || volname == NULL )
{
return OS_FS_ERR_INVALID_POINTER;
}
if(strlen(devname) > 32 || strlen(volname) > 30) /* 32 - 2 for ':0' in vxworks6 port */
{
return OS_FS_ERR_PATH_TOO_LONG;
}
/*
** Find an open entry in the Volume Table
*/
for (i = 0; i < NUM_TABLE_ENTRIES; i++)
{
if (OS_VolumeTable[i].FreeFlag == TRUE && OS_VolumeTable[i].IsMounted == FALSE
&& strcmp(OS_VolumeTable[i].DeviceName, devname) == 0)
break;
}
if (i >= NUM_TABLE_ENTRIES)
{
return OS_FS_ERR_DEVICE_NOT_FREE;
}
/*
** Now enter the info in the table
*/
OS_VolumeTable[i].FreeFlag = FALSE;
strcpy(OS_VolumeTable[i].VolumeName, volname);
OS_VolumeTable[i].BlockSize = blocksize;
/*
** Note we don't know the mount point yet
*/
strcpy(local_volname,volname);
if (OS_VolumeTable[i].VolumeType == RAM_DISK)
{
printf("OSAL: Re-mounting a RAM disk at: 0x%08X\n",(unsigned long)address );
/*
** Create the ram disk device
** The 32 is the number of blocks per track.
** Other values dont seem to work here
*/
ramDev = ramDevCreate (address, blocksize , 32 , numblocks, 0);
if (ramDev == NULL)
{
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
/*
** Connect the ram drive to the xbd block device
*/
xbd = xbdBlkDevCreateSync(ramDev,local_volname);
if (xbd == NULLDEV)
{
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
/*
** Determine the vxWorks device name and store it
** in the Physical Device field of the volume table.
** It will be used for determining the path in OS_NameChange/OS_TranslatePath
*/
strcat(local_volname,":0");
strncpy(OS_VolumeTable[i].PhysDevName, local_volname, 32 );
/*
** Nothing else has to be done here, because the
** XBD call should automatically detect and init the existing DOS file system
*/
ReturnCode = OS_FS_SUCCESS;
}
}
else if (OS_VolumeTable[i].VolumeType == FS_BASED)
{
/*
** FS_BASED will map the cFE to an already mounted filesystem
*/
/*
** now enter the info in the table
*/
OS_VolumeTable[i].FreeFlag = FALSE;
strcpy(OS_VolumeTable[i].VolumeName, volname);
OS_VolumeTable[i].BlockSize = blocksize;
ReturnCode = OS_FS_SUCCESS;
}
#ifdef USE_VXWORKS_ATA_DRIVER
/*
** Initialize an ATA disk
** This code requires an ATA driver in the BSP, so it must be
** left out of the compilation BSPs without.
*/
else if (OS_VolumeTable[i].VolumeType == ATA_DISK)
{
printf("OSAL: Re-mounting an ATA/FLASH DISK\n");
/*
** Create the Flash disk device
*/
if( (ataBlkDev = ataDevCreate( 0, 0, 0, 0)) == NULL)
{
printf("OSAL: Error Creating flash disk device.\n");
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
printf("OSAL: FLASH device initialized.\n");
/*
** Attach to the XBD layer
*/
xbd = xbdBlkDevCreateSync(ataBlkDev,local_volname);
if (xbd == NULLDEV)
{
printf("OSAL: Error Creating XBD device on ATA/FLASH disk.\n");
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
/*
** Determine the vxWorks device name and store it
** in the Physical Device field of the volume table.
** It will be used for determining the path in OS_NameChange/OS_TranslatePath
*/
status = OS_GetPhysDeviceName(OS_VolumeTable[i].PhysDevName, local_volname);
if ( status == OS_FS_ERROR )
{
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
else
{
/*
** Nothing else needs to be done here, the XBD layer should
** re-init the DOS volume.
*/
ReturnCode = OS_FS_SUCCESS;
}
}
}
}/* if ATA_DISK */
#endif
else
{
/*
** VolumeType is something else that is not supported right now
*/
ReturnCode = OS_FS_ERR_DRIVE_NOT_CREATED;
}
return ReturnCode;
} /* end OS_initfs */