コード例 #1
0
ファイル: fdisk_osf.c プロジェクト: Spencerx/ripe-atlas-fw
static void
xbsd_link_part(void)
{
	int k, i;
	struct partition *p;

	k = get_partition(1, g_partitions);

	if (!xbsd_check_new_partition(&i))
		return;

	p = get_part_table(k);

	xbsd_dlabel.d_partitions[i].p_size   = get_nr_sects(p);
	xbsd_dlabel.d_partitions[i].p_offset = get_start_sect(p);
	xbsd_dlabel.d_partitions[i].p_fstype = xbsd_translate_fstype(p->sys_ind);
}
コード例 #2
0
static void
create_sgilabel(void)
{
	struct hd_geometry geometry;
	struct {
		unsigned int start;
		unsigned int nsect;
		int sysid;
	} old[4];
	int i = 0;
	long longsectors;               /* the number of sectors on the device */
	int res;                        /* the result from the ioctl */
	int sec_fac;                    /* the sector factor */

	sec_fac = sector_size / 512;    /* determine the sector factor */

	printf(msg_building_new_label, "SGI disklabel");

	sgi_other_endian = (BYTE_ORDER == LITTLE_ENDIAN);
	res = ioctl(fd, BLKGETSIZE, &longsectors);
	if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
		heads = geometry.heads;
		sectors = geometry.sectors;
		if (res == 0) {
			/* the get device size ioctl was successful */
			cylinders = longsectors / (heads * sectors);
			cylinders /= sec_fac;
		} else {
			/* otherwise print error and use truncated version */
			cylinders = geometry.cylinders;
			printf(
"Warning: BLKGETSIZE ioctl failed on %s.  Using geometry cylinder value of %d.\n"
"This value may be truncated for devices > 33.8 GB.\n", disk_device, cylinders);
		}
	}
	for (i = 0; i < 4; i++) {
		old[i].sysid = 0;
		if (valid_part_table_flag(MBRbuffer)) {
			if (get_part_table(i)->sys_ind) {
				old[i].sysid = get_part_table(i)->sys_ind;
				old[i].start = get_start_sect(get_part_table(i));
				old[i].nsect = get_nr_sects(get_part_table(i));
				printf("Trying to keep parameters of partition %d\n", i);
				if (debug)
					printf("ID=%02x\tSTART=%d\tLENGTH=%d\n",
				old[i].sysid, old[i].start, old[i].nsect);
			}
		}
	}

	memset(MBRbuffer, 0, sizeof(MBRbuffer));
	/* fields with '//' are already zeroed out by memset above */

	sgilabel->magic = SGI_SSWAP32(SGI_LABEL_MAGIC);
	//sgilabel->boot_part = SGI_SSWAP16(0);
	sgilabel->swap_part = SGI_SSWAP16(1);

	//memset(sgilabel->boot_file, 0, 16);
	strcpy((char*)sgilabel->boot_file, "/unix"); /* sizeof(sgilabel->boot_file) == 16 > 6 */

	//sgilabel->devparam.skew                     = (0);
	//sgilabel->devparam.gap1                     = (0);
	//sgilabel->devparam.gap2                     = (0);
	//sgilabel->devparam.sparecyl                 = (0);
	sgilabel->devparam.pcylcount                = SGI_SSWAP16(geometry.cylinders);
	//sgilabel->devparam.head_vol0                = SGI_SSWAP16(0);
	/* tracks/cylinder (heads) */
	sgilabel->devparam.ntrks                    = SGI_SSWAP16(geometry.heads);
	//sgilabel->devparam.cmd_tag_queue_depth      = (0);
	//sgilabel->devparam.unused0                  = (0);
	//sgilabel->devparam.unused1                  = SGI_SSWAP16(0);
	/* sectors/track */
	sgilabel->devparam.nsect                    = SGI_SSWAP16(geometry.sectors);
	sgilabel->devparam.bytes                    = SGI_SSWAP16(512);
	sgilabel->devparam.ilfact                   = SGI_SSWAP16(1);
	sgilabel->devparam.flags                    = SGI_SSWAP32(TRACK_FWD|
							IGNORE_ERRORS|RESEEK);
	//sgilabel->devparam.datarate                 = SGI_SSWAP32(0);
	sgilabel->devparam.retries_on_error         = SGI_SSWAP32(1);
	//sgilabel->devparam.ms_per_word              = SGI_SSWAP32(0);
	//sgilabel->devparam.xylogics_gap1            = SGI_SSWAP16(0);
	//sgilabel->devparam.xylogics_syncdelay       = SGI_SSWAP16(0);
	//sgilabel->devparam.xylogics_readdelay       = SGI_SSWAP16(0);
	//sgilabel->devparam.xylogics_gap2            = SGI_SSWAP16(0);
	//sgilabel->devparam.xylogics_readgate        = SGI_SSWAP16(0);
	//sgilabel->devparam.xylogics_writecont       = SGI_SSWAP16(0);
	//memset( &(sgilabel->directory), 0, sizeof(struct volume_directory)*15 );
	//memset( &(sgilabel->partitions), 0, sizeof(struct sgi_partinfo)*16 );
	current_label_type = label_sgi;
	partitions = 16;
	sgi_volumes = 15;
	sgi_set_entire();
	sgi_set_volhdr();
	for (i = 0; i < 4; i++) {
		if (old[i].sysid) {
			sgi_set_partition(i, old[i].start, old[i].nsect, old[i].sysid);
		}
	}
}
コード例 #3
0
static void
bsd_select(void)
{
#if !defined(__alpha__)
    int t, ss;
    struct partition *p;

    for (t = 0; t < 4; t++) {
        p = get_part_table(t);
        if (p && is_bsd_partition_type(p->sys_ind)) {
            xbsd_part = p;
            xbsd_part_index = t;
            ss = get_start_sect(xbsd_part);
            if (ss == 0) {
                printf("Partition %s has invalid starting sector 0\n",
                       partname(disk_device, t+1, 0));
                return;
            }
            printf("Reading disklabel of %s at sector %u\n",
                   partname(disk_device, t+1, 0), ss + BSD_LABELSECTOR);
            if (xbsd_readlabel(xbsd_part) == 0) {
                if (xbsd_create_disklabel() == 0)
                    return;
                break;
            }
        }
    }

    if (t == 4) {
        printf("There is no *BSD partition on %s\n", disk_device);
        return;
    }

#elif defined(__alpha__)

    if (xbsd_readlabel(NULL) == 0)
        if (xbsd_create_disklabel() == 0)
            exit(EXIT_SUCCESS);

#endif

    while (1) {
        bb_putchar('\n');
        switch (tolower(read_nonempty("BSD disklabel command (m for help): "))) {
        case 'd':
            xbsd_delete_part();
            break;
        case 'e':
            xbsd_edit_disklabel();
            break;
        case 'i':
            xbsd_write_bootstrap();
            break;
        case 'l':
            xbsd_list_types();
            break;
        case 'n':
            xbsd_new_part();
            break;
        case 'p':
            xbsd_print_disklabel(0);
            break;
        case 'q':
            if (ENABLE_FEATURE_CLEAN_UP)
                close_dev_fd();
            exit(EXIT_SUCCESS);
        case 'r':
            return;
        case 's':
            xbsd_print_disklabel(1);
            break;
        case 't':
            xbsd_change_fstype();
            break;
        case 'u':
            change_units();
            break;
        case 'w':
            xbsd_write_disklabel();
            break;
#if !defined(__alpha__)
        case 'x':
            xbsd_link_part();
            break;
#endif
        default:
            bsd_menu();
            break;
        }
    }
}
コード例 #4
0
ファイル: hd.c プロジェクト: 565407548/micro_os
/*
功能:
    通过系统设备编号和分区类型获得该设备的所有分区信息
参数:
    device:系统设备编号
    type:分区类型(主分区、扩展分区)
返回值:
    (无)

*/
static void partition(int index){
    /* int driver=DRIVER(device); */
    /* int sdevice=SDEVICE_HD(device); */
    /* int prim=PRIM_HD(device); */
    /* int logical=LOGICAL_HD(device); */
    
    /* int devie=DEVICE(index); */
    int hd_index=HD_INDEX(index);
    /* int hd_part_index=HD_PART_INDEX(index); */

    struct s_hd_info *hdi=&hd_info[hd_index];

    /*一个硬盘设备所有分区表项信息*/
    struct s_hd_part_entry prim_part_table[HD_ENT_PER_PRIM_PART];
    struct s_hd_part_entry logical_part_table[HD_ENT_PER_LOGICAL_PART];

    //获得该硬盘分区表信息
    get_part_table(index,HD_PRIM_TABLE_SECTOR,prim_part_table,HD_ENT_PER_PRIM_PART);
    /* get_part_table(index,20001,prim_part_table,HD_ENT_PER_PRIM_PART); */

    int prim_index=0;//用于遍历所有主分区
    int logical_index=0;//用于遍历所有逻辑分区
    int extended_index=0;//记录主分区中对应扩展分区的序号
    /*遍历所有主分区*/
    for(prim_index=1;prim_index<=HD_PART_PRIM_COUNT;prim_index++){
        int prim_table_index=prim_index-1;
        if(prim_part_table[prim_table_index].part_type==NO_PART)
            continue;

        hdi->primary[prim_index].base=prim_part_table[prim_table_index].begin_sector_lba;
        hdi->primary[prim_index].size=prim_part_table[prim_table_index].sectors_count;

#ifdef DEBUG
        printl("prim %d:base=%d length=%d part_type=%d\n",prim_index,hdi->primary[prim_index].base,hdi->primary[prim_index].size,prim_part_table[prim_table_index].part_type);
#endif

        if(prim_part_table[prim_table_index].part_type==EXTENDED_PART){
            assert(extended_index==0,"only one extended part can exist!");
            int extended_index=prim_index;

            int logical_begin_sector=hdi->primary[extended_index].base;
            for(logical_index=0;logical_index<HD_PART_LOGICAL_COUNT;logical_index++){
                get_part_table(index,logical_begin_sector,logical_part_table,HD_ENT_PER_LOGICAL_PART);

                hdi->logical[logical_index].base=logical_begin_sector+logical_part_table[0].begin_sector_lba;
                hdi->logical[logical_index].size=logical_part_table[0].sectors_count;

#ifdef DEBUG
                printl("logical %d: base=%d length=%d part_type=%d \nnext_part_type=%d\n",logical_index,hdi->logical[logical_index].base,logical_index,hdi->logical[logical_index].size,logical_part_table[0],logical_part_table[1].part_type);
#endif
                
                if(logical_part_table[1].part_type==NO_PART){
                    break;
                }
                else{
                    logical_begin_sector=hdi->primary[extended_index].base+logical_part_table[1].begin_sector_lba;
                }
            }
        }
    }
}
コード例 #5
0
ファイル: fdisksgilabel.c プロジェクト: dtrebbien/util-linux
static int sgi_create_disklabel(struct fdisk_context *cxt)
{
	struct hd_geometry geometry;
	struct {
		unsigned int start;
		unsigned int nsect;
		int sysid;
	} old[4];
	int i=0;
	sector_t llsectors;
	int res; 		/* the result from the ioctl */
	int sec_fac; 		/* the sector factor */

	sec_fac = cxt->sector_size / 512;	/* determine the sector factor */

	fprintf(stderr,
		_("Building a new SGI disklabel.\n"));

	other_endian = (BYTE_ORDER == LITTLE_ENDIAN);

	res = blkdev_get_sectors(cxt->dev_fd, &llsectors);

#ifdef HDIO_GETGEO
	if (ioctl(cxt->dev_fd, HDIO_GETGEO, &geometry) < 0)
		err(EXIT_FAILURE, _("HDIO_GETGEO ioctl failed on %s"), cxt->dev_path);

	cxt->geom.heads = geometry.heads;
	cxt->geom.sectors = geometry.sectors;
	if (res == 0) {
		/* the get device size ioctl was successful */
	        sector_t llcyls;
		llcyls = llsectors / (cxt->geom.heads * cxt->geom.sectors * sec_fac);
		cxt->geom.cylinders = llcyls;
		if (cxt->geom.cylinders != llcyls)	/* truncated? */
			cxt->geom.cylinders = ~0;
	} else {
		/* otherwise print error and use truncated version */
		cxt->geom.cylinders = geometry.cylinders;
		fprintf(stderr,
			_("Warning:  BLKGETSIZE ioctl failed on %s.  "
			  "Using geometry cylinder value of %llu.\n"
			  "This value may be truncated for devices"
			  " > 33.8 GB.\n"), cxt->dev_path, cxt->geom.cylinders);
	}
#endif
	/*
	 * Convert old MBR to SGI label, make it DEPRECATED, this feature
	 * has to be handled in by any top-level fdisk command.
	 */
	for (i = 0; i < 4; i++) {
		old[i].sysid = 0;
		if (mbr_is_valid_magic(cxt->firstsector)) {
			if (get_part_table(i)->sys_ind) {
				old[i].sysid = get_part_table(i)->sys_ind;
				old[i].start = get_start_sect(get_part_table(i));
				old[i].nsect = get_nr_sects(get_part_table(i));
				if (debug)
					printf(_("ID=%02x\tSTART=%d\tLENGTH=%d\n"),
					       old[i].sysid, old[i].start, old[i].nsect);
			}
		}
	}

	for (i = 0; i < 4; i++)
		if (old[i].sysid) {
			printf(_("Trying to keep parameters of partitions already set.\n"));
			break;
		}

	fdisk_zeroize_firstsector(cxt);
	sgilabel->magic = SSWAP32(SGI_LABEL_MAGIC);
	sgilabel->boot_part = SSWAP16(0);
	sgilabel->swap_part = SSWAP16(1);

	/* sizeof(sgilabel->boot_file) = 16 > 6 */
	memset(sgilabel->boot_file, 0, 16);
	strcpy((char *) sgilabel->boot_file, "/unix");

	sgilabel->devparam.skew			= (0);
	sgilabel->devparam.gap1			= (0);
	sgilabel->devparam.gap2			= (0);
	sgilabel->devparam.sparecyl			= (0);
	sgilabel->devparam.pcylcount		= SSWAP16(geometry.cylinders);
	sgilabel->devparam.head_vol0		= SSWAP16(0);
	sgilabel->devparam.ntrks			= SSWAP16(geometry.heads);
	/* tracks/cylinder (heads) */
	sgilabel->devparam.cmd_tag_queue_depth	= (0);
	sgilabel->devparam.unused0			= (0);
	sgilabel->devparam.unused1			= SSWAP16(0);
	sgilabel->devparam.nsect			= SSWAP16(geometry.sectors);
	/* sectors/track */
	sgilabel->devparam.bytes			= SSWAP16(cxt->sector_size);
	sgilabel->devparam.ilfact			= SSWAP16(1);
	sgilabel->devparam.flags			= SSWAP32(TRACK_FWD|\
								  IGNORE_ERRORS|RESEEK);
	sgilabel->devparam.datarate			= SSWAP32(0);
	sgilabel->devparam.retries_on_error		= SSWAP32(1);
	sgilabel->devparam.ms_per_word		= SSWAP32(0);
	sgilabel->devparam.xylogics_gap1		= SSWAP16(0);
	sgilabel->devparam.xylogics_syncdelay	= SSWAP16(0);
	sgilabel->devparam.xylogics_readdelay	= SSWAP16(0);
	sgilabel->devparam.xylogics_gap2		= SSWAP16(0);
	sgilabel->devparam.xylogics_readgate	= SSWAP16(0);
	sgilabel->devparam.xylogics_writecont	= SSWAP16(0);
	memset(&(sgilabel->directory), 0, sizeof(struct volume_directory)*15);
	memset(&(sgilabel->partitions), 0, sizeof(struct sgi_partition)*16);
	cxt->disklabel  = FDISK_DISKLABEL_SGI;
	partitions = 16;
	volumes    = 15;
	sgi_set_entire(cxt);
	sgi_set_volhdr(cxt);
	for (i = 0; i < 4; i++) {
		if (old[i].sysid) {
			sgi_set_partition(cxt, i, old[i].start, old[i].nsect, old[i].sysid);
		}
	}
	return 0;
}
コード例 #6
0
ファイル: fdisksgilabel.c プロジェクト: SpoilForHawkeye/mount
void
create_sgilabel(void)
{
	struct hd_geometry geometry;
	struct {
		unsigned int start;
		unsigned int nsect;
		int sysid;
	} old[4];
	int i=0;
	unsigned long long llsectors;
	int res; 		/* the result from the ioctl */
	int sec_fac; 		/* the sector factor */

	sec_fac = sector_size / 512;	/* determine the sector factor */

	fprintf(stderr,
		_("Building a new SGI disklabel.\n"));

	other_endian = (BYTE_ORDER == LITTLE_ENDIAN);

	res = blkdev_get_sectors(fd, &llsectors);

#ifdef HDIO_GETGEO
	if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
		heads = geometry.heads;
		sectors = geometry.sectors;
		if (res == 0) {
			/* the get device size ioctl was successful */
			unsigned long long llcyls;
			llcyls = llsectors / (heads * sectors * sec_fac);
			cylinders = llcyls;
			if (cylinders != llcyls)	/* truncated? */
				cylinders = ~0;
		} else {
			/* otherwise print error and use truncated version */
			cylinders = geometry.cylinders;
			fprintf(stderr,
				_("Warning:  BLKGETSIZE ioctl failed on %s.  "
				  "Using geometry cylinder value of %d.\n"
				  "This value may be truncated for devices"
				  " > 33.8 GB.\n"), disk_device, cylinders);
		}
	}
#endif
	for (i = 0; i < 4; i++) {
		old[i].sysid = 0;
		if (valid_part_table_flag(MBRbuffer)) {
			if (get_part_table(i)->sys_ind) {
				old[i].sysid = get_part_table(i)->sys_ind;
				old[i].start = get_start_sect(get_part_table(i));
				old[i].nsect = get_nr_sects(get_part_table(i));
				if (debug)
					printf(_("ID=%02x\tSTART=%d\tLENGTH=%d\n"),
					       old[i].sysid, old[i].start, old[i].nsect);
			}
		}
	}

	for (i = 0; i < 4; i++)
		if (old[i].sysid) {
			printf(_("Trying to keep parameters of partitions already set.\n"));
			break;
		}

	zeroize_mbr_buffer();
	sgilabel->magic = SSWAP32(SGI_LABEL_MAGIC);
	sgilabel->boot_part = SSWAP16(0);
	sgilabel->swap_part = SSWAP16(1);

	/* sizeof(sgilabel->boot_file) = 16 > 6 */
	memset(sgilabel->boot_file, 0, 16);
	strcpy((char *) sgilabel->boot_file, "/unix");

	sgilabel->devparam.skew			= (0);
	sgilabel->devparam.gap1			= (0);
	sgilabel->devparam.gap2			= (0);
	sgilabel->devparam.sparecyl			= (0);
	sgilabel->devparam.pcylcount		= SSWAP16(geometry.cylinders);
	sgilabel->devparam.head_vol0		= SSWAP16(0);
	sgilabel->devparam.ntrks			= SSWAP16(geometry.heads);
	/* tracks/cylinder (heads) */
	sgilabel->devparam.cmd_tag_queue_depth	= (0);
	sgilabel->devparam.unused0			= (0);
	sgilabel->devparam.unused1			= SSWAP16(0);
	sgilabel->devparam.nsect			= SSWAP16(geometry.sectors);
	/* sectors/track */
	sgilabel->devparam.bytes			= SSWAP16(sector_size);
	sgilabel->devparam.ilfact			= SSWAP16(1);
	sgilabel->devparam.flags			= SSWAP32(TRACK_FWD|\
								  IGNORE_ERRORS|RESEEK);
	sgilabel->devparam.datarate			= SSWAP32(0);
	sgilabel->devparam.retries_on_error		= SSWAP32(1);
	sgilabel->devparam.ms_per_word		= SSWAP32(0);
	sgilabel->devparam.xylogics_gap1		= SSWAP16(0);
	sgilabel->devparam.xylogics_syncdelay	= SSWAP16(0);
	sgilabel->devparam.xylogics_readdelay	= SSWAP16(0);
	sgilabel->devparam.xylogics_gap2		= SSWAP16(0);
	sgilabel->devparam.xylogics_readgate	= SSWAP16(0);
	sgilabel->devparam.xylogics_writecont	= SSWAP16(0);
	memset(&(sgilabel->directory), 0, sizeof(struct volume_directory)*15);
	memset(&(sgilabel->partitions), 0, sizeof(struct sgi_partition)*16);
	disklabel  = SGI_LABEL;
	partitions = 16;
	volumes    = 15;
	sgi_set_entire();
	sgi_set_volhdr();
	for (i = 0; i < 4; i++) {
		if (old[i].sysid) {
			sgi_set_partition(i, old[i].start, old[i].nsect, old[i].sysid);
		}
	}
}