/* usrTffs.c - TFFS initialization *//* Copyright 1992-1997 Wind River Systems, Inc. *//*modification history--------------------01e,02feb99,yp   added function usrTffsLnConfig() to support DOS_OPT_LONGNAMES01d,01apr98,hdn  moved tffsLoad() back to bootConfig.c.01c,31dec97,yp   doc cleanup01b,01dec97,hdn  added tffsLoad() to minimize change to bootConfig.c.01a,07nov97,hdn  written.*//*DESCRIPTIONThis file is included by bootConfig.c and usrConfig.c. The file containsroutines for configuring a TFFS Flash disk to be used as file system aswith dosFs. The routines are used by the boot process to find and loadvxWorks images. SEE ALSO: usrExtra.cNOMANUAL*/#ifndef  __INCusrTffs#define  __INCusrTffs/* includes */#include "tffs/tffsDrv.h"#include "tffs/flsocket.h"/* forward declarations *//********************************************************************************* usrTffsConfig - mount the DOS file system on a TFFS Flash disk** This routine mounts the vxWorks DOS file system on a TFFS Flash drive.** The <drive> parameter is the drive number of the TFFS Flash drive;* valid values are 0 through the number of socket interfaces in BSP.** The <fileName> parameter is the mount point, e.g., `/tffs0/'.** RETURNS: OK or ERROR.** SEE ALSO:* .pG "I/O System, Local File Systems"*/STATUS usrTffsConfig    (    int     drive,	/* drive number of TFFS */    int     removable,	/* 0 - nonremovable flash media */    char *  fileName	/* mount point */    )    {    BLK_DEV * pBootDev;    char bootDir [BOOT_FILE_LEN];    if ((UINT)drive >= noOfDrives)	{	printErr ("drive is out of range (0-%d).\n", noOfDrives - 1);	return (ERROR);	}    /* create a block device spanning entire disk (non-distructive!) */    if ((pBootDev = tffsDevCreate (drive, removable)) == NULL)	{        printErr ("tffsDevCreate failed.\n");        return (ERROR);	}	    /* split off boot device from boot file */    devSplit (fileName, bootDir);    /* initialize the boot block device as a dosFs device named <bootDir> */    if (dosFsDevInit (bootDir, pBootDev, NULL) == NULL)	{        printErr ("dosFsDevInit failed.\n");        return (ERROR);	}    return (OK);    }/********************************************************************************* usrTffsLnConfig - mount the DOS file system long names support** This routine mounts the vxWorks DOS file system disabling TrueFFS FAT* monitoring and supporting the vxWorks DOS_OPT_LONGNAMES on a TFFS Flash* drive. Disabling FAT monitoring results in considerable ferformance loss* but is required to support the "vxWorks long file names". This is an * alternative to usrTffsConfig.** The <drive> parameter is the drive number of the TFFS Flash drive;* valid values are 0 through the number of socket interfaces in BSP.** The <fileName> parameter is the mount point, e.g., `/tffs0/'.** RETURNS: OK or ERROR.** SEE ALSO:* .pG "I/O System, Local File Systems"*/STATUS usrTffsLnConfig    (    int     drive,	/* drive number of TFFS */    int     removable,	/* 0 - nonremovable flash media */    char *  fileName	/* mount point */    )    {    BLK_DEV * pBootDev;    char bootDir [BOOT_FILE_LEN];    if ((UINT)drive >= noOfDrives)	{	printErr ("drive is out of range (0-%d).\n", noOfDrives - 1);	return (ERROR);	}    /* create a block device spanning entire disk (non-distructive!) */    if ((pBootDev = tffsDevCreate (drive, removable)) == NULL)	{        printErr ("tffsDevCreate failed.\n");        return (ERROR);	}	    /* disable FAT monitoring so vxWorks long file names can work */    if (tffsDevOptionsSet ((TFFS_DEV *) pBootDev) != OK)	{	printErr ("unable to disable FAT monitoring \n");	return (ERROR);	}    /* split off boot device from boot file */    devSplit (fileName, bootDir);    /* Set up long file name support in DOS*/    if (dosFsMkfsOptionsSet (DOS_OPT_LONGNAMES) != OK)	{	printErr ("failed to set DOS_OPT_LONGNAMES\n");	return (ERROR);	}        /* initialize the device as a dosFs device named <bootDir> */    if (dosFsMkfs (bootDir, pBootDev) == NULL)	{        printErr ("dosFsMkfs failed.\n");        return (ERROR);	}    return (OK);    }#endif /* __INCusrTffs */