662 lines
20 KiB
C
662 lines
20 KiB
C
/*
|
|
* fdisksunlabel.c
|
|
*
|
|
* I think this is mostly, or entirely, due to
|
|
* Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
|
|
*
|
|
* Merged with fdisk for other architectures, aeb, June 1998.
|
|
*/
|
|
#if defined (sparc)
|
|
|
|
#include <stdio.h> /* stderr */
|
|
#include <stdlib.h> /* uint */
|
|
#include <string.h> /* strstr */
|
|
#include <unistd.h> /* write */
|
|
#include <sys/ioctl.h> /* ioctl */
|
|
#include <sys/stat.h> /* stat */
|
|
|
|
#include <endian.h>
|
|
#include <scsi/scsi.h>
|
|
#include <linux/major.h> /* FLOPPY_MAJOR */
|
|
#include <linux/hdreg.h> /* HDIO_GETGEO */
|
|
|
|
#include "fdisk.h"
|
|
#include "fdisksunlabel.h"
|
|
|
|
int other_endian = 0;
|
|
int scsi_disk = 0;
|
|
int floppy = 0;
|
|
|
|
#define LINUX_SWAP 0x82
|
|
#define LINUX_NATIVE 0x83
|
|
|
|
struct systypes sun_sys_types[] = {
|
|
{0, "Empty"},
|
|
{1, "Boot"},
|
|
{2, "SunOS root"},
|
|
{SUNOS_SWAP, "SunOS swap"},
|
|
{4, "SunOS usr"},
|
|
{WHOLE_DISK, "Whole disk"},
|
|
{6, "SunOS stand"},
|
|
{7, "SunOS var"},
|
|
{8, "SunOS home"},
|
|
{LINUX_SWAP, "Linux swap"},
|
|
{LINUX_NATIVE, "Linux native"},
|
|
{ 0, NULL }
|
|
};
|
|
|
|
inline unsigned short __swap16(unsigned short x) {
|
|
return (((__u16)(x) & 0xFF) << 8) | (((__u16)(x) & 0xFF00) >> 8);
|
|
}
|
|
inline __u32 __swap32(__u32 x) {
|
|
return (((__u32)(x) & 0xFF) << 24) | (((__u32)(x) & 0xFF00) << 8) | (((__u32)(x) & 0xFF0000) >> 8) | (((__u32)(x) & 0xFF000000) >> 24);
|
|
}
|
|
|
|
int
|
|
get_num_sectors(struct sun_partition p) {
|
|
return SSWAP32(p.num_sectors);
|
|
}
|
|
|
|
void guess_device_type(int fd) {
|
|
struct stat bootstat;
|
|
|
|
if (fstat (fd, &bootstat) < 0) {
|
|
scsi_disk = 0;
|
|
floppy = 0;
|
|
} else if (S_ISBLK(bootstat.st_mode)
|
|
&& ((bootstat.st_rdev >> 8) == IDE0_MAJOR ||
|
|
(bootstat.st_rdev >> 8) == IDE1_MAJOR)) {
|
|
scsi_disk = 0;
|
|
floppy = 0;
|
|
} else if (S_ISBLK(bootstat.st_mode)
|
|
&& (bootstat.st_rdev >> 8) == FLOPPY_MAJOR) {
|
|
scsi_disk = 0;
|
|
floppy = 1;
|
|
} else {
|
|
scsi_disk = 1;
|
|
floppy = 0;
|
|
}
|
|
}
|
|
|
|
void set_sun_partition(int i, uint start, uint stop, int sysid)
|
|
{
|
|
sunlabel->infos[i].id = sysid;
|
|
sunlabel->partitions[i].start_cylinder =
|
|
SSWAP32(start / (heads * sectors));
|
|
sunlabel->partitions[i].num_sectors =
|
|
SSWAP32(stop - start);
|
|
changed[i] = 1;
|
|
}
|
|
|
|
int check_sun_label(void)
|
|
{
|
|
unsigned short *ush;
|
|
int csum;
|
|
|
|
if (sunlabel->magic != SUN_LABEL_MAGIC && sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED) {
|
|
sun_label = 0;
|
|
other_endian = 0;
|
|
return 0;
|
|
}
|
|
other_endian = (sunlabel->magic == SUN_LABEL_MAGIC_SWAPPED);
|
|
ush = ((unsigned short *) (sunlabel + 1)) - 1;
|
|
for (csum = 0; ush >= (unsigned short *)sunlabel;) csum ^= *ush--;
|
|
if (csum) {
|
|
fprintf(stderr, "Detected sun disklabel with wrong checksum.\n"
|
|
"Probably you'll have to set all the values,\n"
|
|
"e.g. heads, sectors, cylinders and partitions\n"
|
|
"or force a fresh label (s command in main menu)\n");
|
|
} else {
|
|
heads = SSWAP16(sunlabel->ntrks);
|
|
cylinders = SSWAP16(sunlabel->ncyl);
|
|
sectors = SSWAP16(sunlabel->nsect);
|
|
}
|
|
update_units();
|
|
sun_label = 1;
|
|
partitions = 8;
|
|
return 1;
|
|
}
|
|
|
|
struct sun_predefined_drives {
|
|
char *vendor;
|
|
char *model;
|
|
unsigned short sparecyl;
|
|
unsigned short ncyl;
|
|
unsigned short nacyl;
|
|
unsigned short pcylcount;
|
|
unsigned short ntrks;
|
|
unsigned short nsect;
|
|
unsigned short rspeed;
|
|
} sun_drives[] = {
|
|
{"Quantum","ProDrive 80S",1,832,2,834,6,34,3662},
|
|
{"Quantum","ProDrive 105S",1,974,2,1019,6,35,3662},
|
|
{"CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600},
|
|
{"","SUN0104",1,974,2,1019,6,35,3662},
|
|
{"","SUN0207",4,1254,2,1272,9,36,3600},
|
|
{"","SUN0327",3,1545,2,1549,9,46,3600},
|
|
{"","SUN0340",0,1538,2,1544,6,72,4200},
|
|
{"","SUN0424",2,1151,2,2500,9,80,4400},
|
|
{"","SUN0535",0,1866,2,2500,7,80,5400},
|
|
{"","SUN0669",5,1614,2,1632,15,54,3600},
|
|
{"","SUN1.0G",5,1703,2,1931,15,80,3597},
|
|
{"","SUN1.05",0,2036,2,2038,14,72,5400},
|
|
{"","SUN1.3G",6,1965,2,3500,17,80,5400},
|
|
{"","SUN2.1G",0,2733,2,3500,19,80,5400},
|
|
{"IOMEGA","Jaz",0,1019,2,1021,64,32,5394},
|
|
};
|
|
|
|
void create_sunlabel(void)
|
|
{
|
|
struct hd_geometry geometry;
|
|
unsigned int ndiv;
|
|
int i;
|
|
unsigned char c;
|
|
struct sun_predefined_drives *p = NULL;
|
|
|
|
fprintf(stderr, "Building a new sun disklabel. Changes will remain in memory only,\n"
|
|
"until you decide to write them. After that, of course, the previous\n"
|
|
"content won't be recoverable.\n\n");
|
|
#if BYTE_ORDER == LITTLE_ENDIAN
|
|
other_endian = 1;
|
|
#else
|
|
other_endian = 0;
|
|
#endif
|
|
memset(buffer, 0, SECTOR_SIZE);
|
|
sunlabel->magic = SSWAP16(SUN_LABEL_MAGIC);
|
|
if (!floppy) {
|
|
puts("Drive type\n"
|
|
" ? auto configure\n"
|
|
" 0 custom (with hardware detected defaults)");
|
|
for (i = 0; i < SIZE(sun_drives); i++) {
|
|
printf(" %c %s%s%s\n",
|
|
i + 'a', sun_drives[i].vendor,
|
|
(*sun_drives[i].vendor) ? " " : "",
|
|
sun_drives[i].model);
|
|
}
|
|
for (;;) {
|
|
c = read_char("Select type (? for auto, 0 for custom): ");
|
|
if (c >= 'a' && c < 'a' + SIZE(sun_drives)) {
|
|
p = sun_drives + c - 'a';
|
|
break;
|
|
} else if (c >= 'A' && c < 'A' + SIZE(sun_drives)) {
|
|
p = sun_drives + c - 'A';
|
|
break;
|
|
} else if (c == '0')
|
|
break;
|
|
else if (c == '?' && scsi_disk) {
|
|
unsigned int id[2];
|
|
char buffer[2048];
|
|
char buffer2[2048];
|
|
FILE *pfd;
|
|
char *vendor;
|
|
char *model;
|
|
char *q;
|
|
|
|
if (!ioctl(fd, SCSI_IOCTL_GET_IDLUN, &id)) {
|
|
sprintf(buffer, "Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n",
|
|
#if 0
|
|
((id[0]>>24)&0xff)-/*PROC_SCSI_SCSI+PROC_SCSI_FILE*/33,
|
|
#else
|
|
/* This is very wrong (works only if you have one HBA), but I haven't find a way how to get hostno from the current kernel */
|
|
0,
|
|
#endif
|
|
(id[0]>>16)&0xff,
|
|
id[0]&0xff,
|
|
(id[0]>>8)&0xff);
|
|
pfd = fopen("/proc/scsi/scsi","r");
|
|
if (pfd) {
|
|
while (fgets(buffer2,2048,pfd)) {
|
|
if (!strcmp(buffer, buffer2)) {
|
|
if (fgets(buffer2,2048,pfd)) {
|
|
q = strstr(buffer2,"Vendor: ");
|
|
if (q) {
|
|
q += 8;
|
|
vendor = q;
|
|
q = strstr(q," Model: ");
|
|
if (q) {
|
|
*q = 0;
|
|
q += 8;
|
|
model = q;
|
|
q = strstr(q," Rev: ");
|
|
if (q) {
|
|
*q = 0;
|
|
for (i = 0; i < SIZE(sun_drives); i++) {
|
|
if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor))
|
|
continue;
|
|
if (!strstr(model, sun_drives[i].model))
|
|
continue;
|
|
printf("Autoconfigure found a %s%s%s\n",sun_drives[i].vendor,(*sun_drives[i].vendor) ? " " : "",sun_drives[i].model);
|
|
p = sun_drives + i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
fclose(pfd);
|
|
}
|
|
}
|
|
if (!p)
|
|
printf("Autoconfigure failed.\n");
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!p || floppy) {
|
|
#ifdef HDIO_REQ
|
|
if (!ioctl(fd, HDIO_REQ, &geometry)) {
|
|
#else
|
|
if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
|
|
#endif
|
|
heads = geometry.heads;
|
|
sectors = geometry.sectors;
|
|
cylinders = geometry.cylinders;
|
|
} else {
|
|
heads = 0;
|
|
sectors = 0;
|
|
cylinders = 0;
|
|
}
|
|
if (floppy) {
|
|
sunlabel->nacyl = 0;
|
|
sunlabel->pcylcount = SSWAP16(cylinders);
|
|
sunlabel->rspeed = SSWAP16(300);
|
|
sunlabel->ilfact = SSWAP16(1);
|
|
sunlabel->sparecyl = 0;
|
|
} else {
|
|
if (heads)
|
|
heads = read_int(1,heads,1024,deflt,"Heads");
|
|
else
|
|
heads = read_int(1,1,1024,ignore,"Heads");
|
|
if (sectors)
|
|
sectors = read_int(1,sectors,1024,deflt,"Sectors/track");
|
|
else
|
|
sectors = read_int(1,1,1024,ignore,"Sectors/track");
|
|
if (cylinders)
|
|
cylinders = read_int(1,cylinders-2,65535,deflt,"Cylinders");
|
|
else
|
|
cylinders = read_int(1,1,65535,ignore,"Cylinders");
|
|
sunlabel->nacyl = SSWAP16(read_int(0,2,65535,deflt,"Alternate cylinders"));
|
|
sunlabel->pcylcount = SSWAP16(read_int(0,cylinders + SSWAP16(sunlabel->nacyl),65535,deflt,"Physical cylinders"));
|
|
sunlabel->rspeed = SSWAP16(read_int(1,5400,100000,deflt,"Rotation speed (rpm)"));
|
|
sunlabel->ilfact = SSWAP16(read_int(1,1,32,deflt,"Interleave factor"));
|
|
sunlabel->sparecyl = SSWAP16(read_int(0,0,sectors,deflt,"Extra sectors per cylinder"));
|
|
}
|
|
} else {
|
|
sunlabel->sparecyl = SSWAP16(p->sparecyl);
|
|
sunlabel->ncyl = SSWAP16(p->ncyl);
|
|
sunlabel->nacyl = SSWAP16(p->nacyl);
|
|
sunlabel->pcylcount = SSWAP16(p->pcylcount);
|
|
sunlabel->ntrks = SSWAP16(p->ntrks);
|
|
sunlabel->nsect = SSWAP16(p->nsect);
|
|
sunlabel->rspeed = SSWAP16(p->rspeed);
|
|
cylinders = p->ncyl;
|
|
heads = p->ntrks;
|
|
sectors = p->nsect;
|
|
puts("You may change all the disk params from the x menu");
|
|
}
|
|
sprintf(buffer, "%s%s%s cyl %d alt %d hd %d sec %d",
|
|
p ? p->vendor : "", (p && *p->vendor) ? " " : "", p ? p->model : (floppy ? "3,5\" floppy" : "Linux custom"),
|
|
cylinders, SSWAP16(sunlabel->nacyl), heads, sectors);
|
|
sunlabel->ntrks = SSWAP16(heads);
|
|
sunlabel->nsect = SSWAP16(sectors);
|
|
sunlabel->ncyl = SSWAP16(cylinders);
|
|
if (floppy)
|
|
set_sun_partition(0, 0, cylinders * heads * sectors, LINUX_NATIVE);
|
|
else {
|
|
if (cylinders * heads * sectors >= 150 * 2048) {
|
|
ndiv = cylinders - (50 * 2048 / (heads * sectors)); /* 50M swap */
|
|
} else
|
|
ndiv = cylinders * 2 / 3;
|
|
set_sun_partition(0, 0, ndiv * heads * sectors, LINUX_NATIVE);
|
|
set_sun_partition(1, ndiv * heads * sectors, cylinders * heads * sectors, LINUX_SWAP);
|
|
sunlabel->infos[1].flags |= 0x01; /* Not mountable */
|
|
}
|
|
set_sun_partition(2, 0, cylinders * heads * sectors, WHOLE_DISK);
|
|
{
|
|
unsigned short *ush = (unsigned short *)sunlabel;
|
|
unsigned short csum = 0;
|
|
while(ush < (unsigned short *)(&sunlabel->csum))
|
|
csum ^= *ush++;
|
|
sunlabel->csum = csum;
|
|
}
|
|
for (i = 1; i < MAXIMUM_PARTS; i++)
|
|
changed[i] = 0;
|
|
changed[0] = 1;
|
|
get_boot(create_empty);
|
|
}
|
|
|
|
void toggle_sunflags(int i, unsigned char mask)
|
|
{
|
|
if (sunlabel->infos[i].flags & mask)
|
|
sunlabel->infos[i].flags &= ~mask;
|
|
else sunlabel->infos[i].flags |= mask;
|
|
changed[i] = 1;
|
|
}
|
|
|
|
void fetch_sun(uint *starts, uint *lens, uint *start, uint *stop)
|
|
{
|
|
int i, continuous = 1;
|
|
*start = 0; *stop = cylinders * heads * sectors;
|
|
for (i = 0; i < partitions; i++) {
|
|
if (sunlabel->partitions[i].num_sectors && sunlabel->infos[i].id && sunlabel->infos[i].id != WHOLE_DISK) {
|
|
starts[i] = SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors;
|
|
lens[i] = SSWAP32(sunlabel->partitions[i].num_sectors);
|
|
if (continuous) {
|
|
if (starts[i] == *start)
|
|
*start += lens[i];
|
|
else if (starts[i] + lens[i] >= *stop)
|
|
*stop = starts[i];
|
|
else
|
|
continuous = 0; /* There will be probably more gaps than one, so lets check afterwards */
|
|
}
|
|
} else {
|
|
starts[i] = 0;
|
|
lens[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static uint *verify_sun_starts;
|
|
int verify_sun_cmp(int *a, int *b)
|
|
{
|
|
if (*a == -1) return 1;
|
|
if (*b == -1) return -1;
|
|
if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1;
|
|
return -1;
|
|
}
|
|
|
|
void verify_sun(void)
|
|
{
|
|
uint starts[8], lens[8], start, stop;
|
|
int i,j,k,starto,endo;
|
|
int array[8];
|
|
|
|
verify_sun_starts = starts;
|
|
fetch_sun(starts,lens,&start,&stop);
|
|
for (k = 0; k < 7; k++) {
|
|
for (i = 0; i < 8; i++) {
|
|
if (k && (lens[i] % (heads * sectors))) {
|
|
printf("Partition %d doesn't end on cylinder boundary\n", i+1);
|
|
}
|
|
if (lens[i]) {
|
|
for (j = 0; j < i; j++)
|
|
if (lens[j]) {
|
|
if (starts[j] == starts[i]+lens[i]) {
|
|
starts[j] = starts[i]; lens[j] += lens[i];
|
|
lens[i] = 0;
|
|
} else if (starts[i] == starts[j]+lens[j]){
|
|
lens[j] += lens[i];
|
|
lens[i] = 0;
|
|
} else if (!k) {
|
|
if (starts[i] < starts[j]+lens[j] &&
|
|
starts[j] < starts[i]+lens[i]) {
|
|
starto = starts[i];
|
|
if (starts[j] > starto)
|
|
starto = starts[j];
|
|
endo = starts[i]+lens[i];
|
|
if (starts[j]+lens[j] < endo)
|
|
endo = starts[j]+lens[j];
|
|
printf("Partition %d overlaps with others in "
|
|
"sectors %d-%d\n", i+1, starto, endo);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (i = 0; i < 8; i++) {
|
|
if (lens[i])
|
|
array[i] = i;
|
|
else
|
|
array[i] = -1;
|
|
}
|
|
qsort(array,SIZE(array),sizeof(array[0]),
|
|
(int (*)(const void *,const void *)) verify_sun_cmp);
|
|
if (array[0] == -1) {
|
|
printf("No partitions defined\n");
|
|
return;
|
|
}
|
|
stop = cylinders * heads * sectors;
|
|
if (starts[array[0]])
|
|
printf("Unused gap - sectors 0-%d\n",starts[array[0]]);
|
|
for (i = 0; i < 7 && array[i+1] != -1; i++) {
|
|
printf("Unused gap - sectors %d-%d\n",starts[array[i]]+lens[array[i]],starts[array[i+1]]);
|
|
}
|
|
start = starts[array[i]]+lens[array[i]];
|
|
if (start < stop)
|
|
printf("Unused gap - sectors %d-%d\n",start,stop);
|
|
}
|
|
|
|
void add_sun_partition(int n, int sys)
|
|
{
|
|
uint start, stop, stop2;
|
|
uint starts[8], lens[8];
|
|
int whole_disk = 0;
|
|
|
|
char mesg[48];
|
|
int i, first, last;
|
|
|
|
if (sunlabel->partitions[n].num_sectors && sunlabel->infos[n].id) {
|
|
printf("Partition %d is already defined. Delete "
|
|
"it before re-adding it.\n", n + 1);
|
|
return;
|
|
}
|
|
|
|
fetch_sun(starts,lens,&start,&stop);
|
|
if (stop <= start) {
|
|
if (n == 2)
|
|
whole_disk = 1;
|
|
else {
|
|
printf("Other partitions already cover the whole disk.\nDelete "
|
|
"some/shrink them before retry.\n");
|
|
return;
|
|
}
|
|
}
|
|
sprintf(mesg, "First %s", str_units());
|
|
for (;;) {
|
|
if (whole_disk)
|
|
first = read_int(0, 0, 0, deflt, mesg);
|
|
else
|
|
first = read_int(scround(start), scround(start), scround(stop),
|
|
ignore, mesg);
|
|
if (unit_flag)
|
|
first *= display_factor;
|
|
else
|
|
first = (first + heads * sectors - 1) / (heads * sectors); /* Starting sector has to be properly aligned */
|
|
if (n == 2 && first != 0) printf ("It is highly recommended that third partition covers the whole disk\n"
|
|
"and is of type `Whole disk'\n");
|
|
for (i = 0; i < partitions; i++)
|
|
if (lens[i] && starts[i] <= first && starts[i] + lens[i] > first)
|
|
break;
|
|
if (i < partitions && !whole_disk) {
|
|
if (n == 2 && !first) {
|
|
whole_disk = 1;
|
|
break;
|
|
}
|
|
printf("Sector %d is already allocated\n", first);
|
|
} else
|
|
break;
|
|
}
|
|
stop = cylinders * heads * sectors;
|
|
stop2 = stop;
|
|
for (i = 0; i < partitions; i++) {
|
|
if (starts[i] > first && starts[i] < stop)
|
|
stop = starts[i];
|
|
}
|
|
sprintf(mesg, "Last %s or +size or +sizeM or +sizeK", str_units());
|
|
if (whole_disk)
|
|
last = read_int(scround(stop2), scround(stop2), scround(stop2),
|
|
deflt, mesg);
|
|
else if (n == 2 && !first)
|
|
last = read_int(scround(first), scround(stop2), scround(stop2),
|
|
upper, mesg);
|
|
else
|
|
last = read_int(scround(first), scround(stop), scround(stop),
|
|
lower, mesg);
|
|
if (unit_flag)
|
|
last *= display_factor;
|
|
if (n == 2 && !first) {
|
|
if (last >= stop2) {
|
|
whole_disk = 1;
|
|
last = stop2;
|
|
} else if (last > stop) {
|
|
printf ("You haven't covered whole disk with 3rd partition, but your value\n"
|
|
"%d %s coveres some other partition. Your entry have been changed\n"
|
|
"to %d %s\n", scround(last), str_units(), scround(stop), str_units());
|
|
last = stop;
|
|
}
|
|
} else if (!whole_disk && last > stop)
|
|
last = stop;
|
|
|
|
if (whole_disk) sys = WHOLE_DISK;
|
|
set_sun_partition(n, first, last, sys);
|
|
}
|
|
|
|
void
|
|
sun_delete_partition(int i) {
|
|
if (i == 2 && sunlabel->infos[i].id == WHOLE_DISK &&
|
|
!sunlabel->partitions[i].start_cylinder &&
|
|
SSWAP32(sunlabel->partitions[i].num_sectors) == heads * sectors * cylinders)
|
|
printf("If you want to maintain SunOS/Solaris compatibility, consider leaving this\n"
|
|
"partition as Whole disk (5), starting at 0, with %d sectors\n",
|
|
SSWAP32(sunlabel->partitions[i].num_sectors));
|
|
sunlabel->infos[i].id = 0;
|
|
sunlabel->partitions[i].num_sectors = 0;
|
|
}
|
|
|
|
void
|
|
sun_change_sysid(int i, int sys) {
|
|
if (sys == LINUX_SWAP && !sunlabel->partitions[i].start_cylinder) {
|
|
read_chars(
|
|
"It is highly recommended that the partition at offset 0\n"
|
|
"is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n"
|
|
"there may destroy your partition table and bootblock.\n"
|
|
"Type YES if you're very sure you would like that partition\n"
|
|
"tagged with 82 (Linux swap): ");
|
|
if (strcmp (line_ptr, "YES\n"))
|
|
return;
|
|
}
|
|
switch (sys) {
|
|
case SUNOS_SWAP:
|
|
case LINUX_SWAP:
|
|
/* swaps are not mountable by default */
|
|
sunlabel->infos[i].flags |= 0x01;
|
|
break;
|
|
default:
|
|
/* assume other types are mountable;
|
|
user can change it anyway */
|
|
sunlabel->infos[i].flags &= ~0x01;
|
|
break;
|
|
}
|
|
sunlabel->infos[i].id = sys;
|
|
}
|
|
|
|
void
|
|
sun_list_table(int xtra) {
|
|
int i, w;
|
|
char *type;
|
|
|
|
w = strlen(disk_device);
|
|
if (xtra)
|
|
printf("\nDisk %s (Sun disk label): %d heads, %d sectors, %d rpm\n"
|
|
"%d cylinders, %d alternate cylinders, %d physical cylinders\n"
|
|
"%d extra sects/cyl, interleave %d:1\n"
|
|
"%s\n"
|
|
"Units = %ss of %d * 512 bytes\n\n",
|
|
disk_device, heads, sectors, SSWAP16(sunlabel->rspeed),
|
|
cylinders, SSWAP16(sunlabel->nacyl),
|
|
SSWAP16(sunlabel->pcylcount),
|
|
SSWAP16(sunlabel->sparecyl),
|
|
SSWAP16(sunlabel->ilfact),
|
|
(char *)sunlabel,
|
|
str_units(), display_factor);
|
|
else
|
|
printf("\nDisk %s (Sun disk label): %d heads, %d sectors, %d cylinders\n"
|
|
"Units = %ss of %d * 512 bytes\n\n",
|
|
disk_device, heads, sectors, cylinders,
|
|
str_units(), display_factor);
|
|
|
|
printf("%*s Flag %s Start End Blocks Id System\n",
|
|
w + 1, "Device", show_begin ? " Begin " : " ");
|
|
for (i = 0 ; i < partitions; i++) {
|
|
if (sunlabel->partitions[i].num_sectors) {
|
|
__u32 start = SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors;
|
|
__u32 len = SSWAP32(sunlabel->partitions[i].num_sectors);
|
|
printf(
|
|
show_begin
|
|
? "%*s%-2d %c%c%9d%9d%9d%9d%c %2x %s\n"
|
|
: "%*s%-2d %c%c%c%9d%9d%9d%c %2x %s\n",
|
|
/* device */ w, disk_device, i + 1,
|
|
/* flags */ (sunlabel->infos[i].flags & 0x01) ? 'u' : ' ',
|
|
(sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
|
|
/* begin */ show_begin ? scround(start) : ' ',
|
|
/* start */ scround(start),
|
|
/* end */ scround(start+len),
|
|
/* odd flag on end */ len / 2, len & 1 ? '+' : ' ',
|
|
/* type id */ sunlabel->infos[i].id,
|
|
/* type name */ (type = partition_type(sunlabel->infos[i].id))
|
|
? type : "Unknown");
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
sun_set_alt_cyl(void) {
|
|
sunlabel->nacyl = SSWAP16(read_int(0,SSWAP16(sunlabel->nacyl),
|
|
65535, deflt,
|
|
"Number of alternate cylinders"));
|
|
}
|
|
|
|
void
|
|
sun_set_ncyl(int cyl) {
|
|
sunlabel->ncyl = SSWAP16(cyl);
|
|
}
|
|
|
|
void
|
|
sun_set_xcyl(void) {
|
|
sunlabel->sparecyl = SSWAP16(read_int(0, SSWAP16(sunlabel->sparecyl),
|
|
sectors, deflt,
|
|
"Extra sectors per cylinder"));
|
|
}
|
|
|
|
void
|
|
sun_set_ilfact(void) {
|
|
sunlabel->ilfact = SSWAP16(read_int(1, SSWAP16(sunlabel->ilfact),
|
|
32, deflt,
|
|
"Interleave factor"));
|
|
}
|
|
|
|
void
|
|
sun_set_rspeed(void) {
|
|
sunlabel->rspeed = SSWAP16(read_int(1, SSWAP16(sunlabel->rspeed),
|
|
100000, deflt,
|
|
"Rotation speed (rpm)"));
|
|
}
|
|
|
|
void
|
|
sun_set_pcylcount(void) {
|
|
sunlabel->pcylcount=SSWAP16(read_int(0, SSWAP16(sunlabel->pcylcount),
|
|
65535, deflt,
|
|
"Number of physical cylinders"));
|
|
}
|
|
|
|
void
|
|
sun_write_table(void) {
|
|
unsigned short *ush = (unsigned short *)sunlabel;
|
|
unsigned short csum = 0;
|
|
|
|
while(ush < (unsigned short *)(&sunlabel->csum))
|
|
csum ^= *ush++;
|
|
sunlabel->csum = csum;
|
|
if (lseek(fd, 0, SEEK_SET) < 0)
|
|
fatal(unable_to_seek);
|
|
if (write(fd, sunlabel, SECTOR_SIZE) != SECTOR_SIZE)
|
|
fatal(unable_to_write);
|
|
}
|
|
|
|
#endif /* sparc */
|