ioctl_example.rar_ioctl_ioctl example_mdoc

/******************************************************************************/ /* */ /* Copyright (C), 1995-2006, msystems Ltd. All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or without */ /* modification, are permitted provided that the following conditions are */ /* met: */ /* 1. Redistributions of source code must retain the above copyright notice, */ /* this list of conditions and the following disclaimer. */ /* 2. 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. */ /* 3. Neither the name of msystems nor the names of its contributors may be */ /* used to endorse or promote products derived from this software without */ /* specific prior written permission. */ /* */ /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ /* "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 COPYRIGHT */ /* OWNER OR CONTRIBUTORS 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. */ /* */ /******************************************************************************/ #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <string.h> #include <fcntl.h> #include <sys/mount.h> #include <errno.h> #include "tffsioct.h" #define ALLOW_FORMATTING #undef ALLOW_BDK #define ALLOW_HW_PROTECTION /* make TrueFFS ahndle out of socket and disk ## */ #define mk_tffs_handle(socNo,diskNo) (((unsigned short)(socNo) & 0xf) | \ (((unsigned int)(diskNo) << 4) & 0xf0)) /* * static routines */ static int fl_ioctl_get_info (int fd); static int fl_ioctl_defragment (int fd); static int fl_ioctl_customer_id (int fd); #ifdef ALLOW_BDK static int fl_ioctl_bdk_operation (int fd); #endif static int hdio_getgeo (int fd); #ifdef ALLOW_FORMATTING static int fl_ioctl_erase_bd (int fd); static int fl_ioctl_flash_format (int fd); static int fl_ioctl_flash_unformat (int fd); static int fl_ioctl_mount_volume (int fd); #endif #ifdef ALLOW_HW_PROTECTION static int fl_ioctl_hw_protection (int fd, int ioctl_opcode); #endif int main ( int argc, char * argv[] ) { int ioctl_opcode; int flags; int fd; int rc = -1; /* check if devce name and IOCTL opcode are specified, and get IOCTL opcode */ if ((argc < 3) || (sscanf(argv[2], "%d", &ioctl_opcode) != 1)) { fprintf (stderr, "Usage: ioctl-example <device-file-name> <ioctl-code>\n"); fprintf (stderr, "Example: ioctl-example /dev/tffsa 14\n"); fprintf (stderr, "Accepted values for <ioctl-code>:\n"); fprintf (stderr, " %d for FL_IOCTL_CUSTOMER_ID\n", FL_IOCTL_CUSTOMER_ID); fprintf (stderr, " %d for FL_IOCTL_DEFRAGMENT\n", FL_IOCTL_DEFRAGMENT); fprintf (stderr, " %d for FL_IOCTL_GET_INFO\n", FL_IOCTL_GET_INFO); #ifdef ALLOW_BDK fprintf (stderr, " %d for FL_IOCTL_BDK_OPERATION\n", FL_IOCTL_BDK_OPERATION); #endif #ifdef ALLOW_FORMATTING fprintf (stderr, " %d for FL_IOCTL_MOUNT_VOLUME\n", FL_IOCTL_MOUNT_VOLUME); fprintf (stderr, " %d for FL_IOCTL_ERASE_BD\n", FL_IOCTL_ERASE_BD); fprintf (stderr, " %d for FL_IOCTL_FLASH_FORMAT\n", FL_IOCTL_FLASH_FORMAT); fprintf (stderr, " %d for FL_IOCTL_FLASH_UNFORMAT\n", FL_IOCTL_FLASH_UNFORMAT); #endif #ifdef ALLOW_HW_PROTECTION fprintf (stderr, " %d for FL_IOCTL_BDTL_HW_PROTECTION\n", FL_IOCTL_BDTL_HW_PROTECTION); #endif fprintf (stderr, " %d for HDIO_GETGEO\n", 0x0301 /* HDIO_GETGEO */); exit (-1); } /* open device */ flags = ((ioctl_opcode == FL_IOCTL_GET_INFO) ? O_RDONLY : O_RDWR); if((fd = open(argv[1], flags)) == -1) { perror ("Can't open device"); exit (-1); } /* issue IOCTL to device */ switch (ioctl_opcode) { case FL_IOCTL_CUSTOMER_ID: rc = fl_ioctl_customer_id (fd); break; case FL_IOCTL_DEFRAGMENT: rc = fl_ioctl_defragment (fd); break; case FL_IOCTL_MOUNT_VOLUME: rc = fl_ioctl_mount_volume (fd); break; case FL_IOCTL_GET_INFO: rc = fl_ioctl_get_info (fd); break; #ifdef ALLOW_BDK case FL_IOCTL_BDK_OPERATION: rc = fl_ioctl_bdk_operation (fd); break; #endif #ifdef ALLOW_FORMATTING case FL_IOCTL_ERASE_BD: rc = fl_ioctl_erase_bd (fd); break; case FL_IOCTL_FLASH_FORMAT: rc = fl_ioctl_flash_format (fd); break; case FL_IOCTL_FLASH_UNFORMAT: rc = fl_ioctl_flash_unformat (fd); break; #endif #ifdef ALLOW_HW_PROTECTION case FL_IOCTL_BDTL_HW_PROTECTION: rc = fl_ioctl_hw_protection (fd, ioctl_opcode); break; #endif case 0x0301: /* HDIO_GETGEO */ rc = hdio_getgeo (fd); break; } close (fd); exit (rc); } static int fl_ioctl_customer_id (int fd) { flIOctlRecord ioctl_data; flCustomerIdOutput out; int rc; ioctl_data.inputRecord = NULL; /* no input record for this IOCTL */ ioctl_data.outputRecord = &out; rc = ioctl (fd, FL_IOCTL_CUSTOMER_ID, &ioctl_data); if ((rc != 0) || (out.status != flOK)) fprintf (stderr, "FL_IOCTL_CUSTOMER_ID IOCTL failed, error %d\n", out.status); else fprintf (stdout, "SUCCESS getting customer ID: 0x%x 0x%x 0x%x 0x%x\n", out.id[0], out.id[1], out.id[2], out.id[3]); return rc; } static int fl_ioctl_defragment (int fd) { flIOctlRecord ioctl_data; flDefragInput in; flDefragOutput out; int rc; in.requiredNoOfSectors = -1; ioctl_data.inputRecord = &in; ioctl_data.outputRecord = &out; rc = ioctl (fd, FL_IOCTL_DEFRAGMENT, &ioctl_data); if ((rc == 0) && (out.status == flOK)) fprintf (stdout, "free sectors after defragmentation: %ld\n", out.actualNoOfSectors); return rc; } static int fl_ioctl_get_info (int fd) { flIOctlRecord ioctl_data; flDiskInfoOutput out; int rc; ioctl_data.inputRecord = NULL; /* no input record for this IOCTL */ ioctl_data.outputRecord = &out; rc = ioctl (fd, FL_IOCTL_GET_INFO, &ioctl_data); if ((rc != 0) || (out.status != flOK)) fprintf (stderr, "FL_IOCTL_GET_INFO failed %d\n", out.status); else fprintf (stdout, "FL_IOCTL_GET_INFO reports %ld sectors\n", out.info.logicalSectors); return rc; } #ifdef ALLOW_FORMATTING static int fl_ioctl_mount_volume (int fd) { flIOctlRecord ioctl_data; flMountInput in;