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-rw-r--r--fdisks/fdisksunlabel.c644
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diff --git a/fdisks/fdisksunlabel.c b/fdisks/fdisksunlabel.c
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+++ b/fdisks/fdisksunlabel.c
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+/*
+ * 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.
+ *
+ * Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * Internationalization
+ */
+
+#include <stdio.h> /* stderr */
+#include <stdlib.h> /* qsort */
+#include <string.h> /* strstr */
+#include <unistd.h> /* write */
+#include <sys/ioctl.h> /* ioctl */
+
+#include "nls.h"
+#include "blkdev.h"
+
+#include <endian.h>
+
+#include "common.h"
+#include "fdisk.h"
+#include "fdisksunlabel.h"
+
+static int other_endian = 0;
+
+struct systypes sun_sys_types[] = {
+ {SUN_TAG_UNASSIGNED, N_("Unassigned")},
+ {SUN_TAG_BOOT, N_("Boot")},
+ {SUN_TAG_ROOT, N_("SunOS root")},
+ {SUN_TAG_SWAP, N_("SunOS swap")},
+ {SUN_TAG_USR, N_("SunOS usr")},
+ {SUN_TAG_BACKUP, N_("Whole disk")},
+ {SUN_TAG_STAND, N_("SunOS stand")},
+ {SUN_TAG_VAR, N_("SunOS var")},
+ {SUN_TAG_HOME, N_("SunOS home")},
+ {SUN_TAG_ALTSCTR, N_("SunOS alt sectors")},
+ {SUN_TAG_CACHE, N_("SunOS cachefs")},
+ {SUN_TAG_RESERVED, N_("SunOS reserved")},
+ {SUN_TAG_LINUX_SWAP, N_("Linux swap")},
+ {SUN_TAG_LINUX_NATIVE, N_("Linux native")},
+ {SUN_TAG_LINUX_LVM, N_("Linux LVM")},
+ {SUN_TAG_LINUX_RAID, N_("Linux raid autodetect")},
+ { 0, NULL }
+};
+
+static inline unsigned short __swap16(unsigned short x) {
+ return (((uint16_t)(x) & 0xFF) << 8) | (((uint16_t)(x) & 0xFF00) >> 8);
+}
+static inline uint32_t __swap32(uint32_t x) {
+ return (((uint32_t)(x) & 0xFF) << 24) | (((uint32_t)(x) & 0xFF00) << 8) | (((uint32_t)(x) & 0xFF0000) >> 8) | (((uint32_t)(x) & 0xFF000000) >> 24);
+}
+
+#define SSWAP16(x) (other_endian ? __swap16(x) \
+ : (uint16_t)(x))
+#define SSWAP32(x) (other_endian ? __swap32(x) \
+ : (uint32_t)(x))
+
+static void set_sun_partition(struct fdisk_context *cxt,
+ int i, uint32_t start, uint32_t stop, uint16_t sysid)
+{
+ sunlabel->part_tags[i].tag = SSWAP16(sysid);
+ sunlabel->part_tags[i].flag = SSWAP16(0);
+ sunlabel->partitions[i].start_cylinder =
+ SSWAP32(start / (cxt->geom.heads * cxt->geom.sectors));
+ sunlabel->partitions[i].num_sectors =
+ SSWAP32(stop - start);
+ set_changed(i);
+ print_partition_size(cxt, i + 1, start, stop, sysid);
+}
+
+static void init(void)
+{
+ disklabel = SUN_LABEL;
+ partitions = SUN_NUM_PARTITIONS;
+}
+
+int check_sun_label(struct fdisk_context *cxt)
+{
+ unsigned short *ush;
+ int csum;
+
+ if (sunlabel->magic != SUN_LABEL_MAGIC &&
+ sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED) {
+ other_endian = 0;
+ return 0;
+ }
+
+ init();
+ 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 {
+ int need_fixing = 0;
+
+ cxt->geom.heads = SSWAP16(sunlabel->nhead);
+ cxt->geom.cylinders = SSWAP16(sunlabel->ncyl);
+ cxt->geom.sectors = SSWAP16(sunlabel->nsect);
+
+ if (sunlabel->version != SSWAP32(SUN_LABEL_VERSION)) {
+ fprintf(stderr,_("Detected sun disklabel with wrong version [0x%08x].\n"),
+ SSWAP32(sunlabel->version));
+ need_fixing = 1;
+ }
+ if (sunlabel->sanity != SSWAP32(SUN_LABEL_SANE)) {
+ fprintf(stderr,_("Detected sun disklabel with wrong sanity [0x%08x].\n"),
+ SSWAP32(sunlabel->sanity));
+ need_fixing = 1;
+ }
+ if (sunlabel->num_partitions != SSWAP16(SUN_NUM_PARTITIONS)) {
+ fprintf(stderr,_("Detected sun disklabel with wrong num_partitions [%u].\n"),
+ SSWAP16(sunlabel->num_partitions));
+ need_fixing = 1;
+ }
+ if (need_fixing) {
+ fprintf(stderr, _("Warning: Wrong values need to be "
+ "fixed up and will be corrected "
+ "by w(rite)\n"));
+ sunlabel->version = SSWAP32(SUN_LABEL_VERSION);
+ sunlabel->sanity = SSWAP32(SUN_LABEL_SANE);
+ sunlabel->num_partitions = SSWAP16(SUN_NUM_PARTITIONS);
+
+ ush = (unsigned short *)sunlabel;
+ csum = 0;
+ while(ush < (unsigned short *)(&sunlabel->cksum))
+ csum ^= *ush++;
+ sunlabel->cksum = csum;
+
+ set_changed(0);
+ }
+ }
+ update_units(cxt);
+ return 1;
+}
+
+void create_sunlabel(struct fdisk_context *cxt)
+{
+ struct hd_geometry geometry;
+ sector_t llsectors, llcyls;
+ unsigned int ndiv, sec_fac;
+ int res;
+
+ fprintf(stderr,
+ _("Building a new Sun disklabel.\n"));
+#if BYTE_ORDER == LITTLE_ENDIAN
+ other_endian = 1;
+#else
+ other_endian = 0;
+#endif
+
+ init();
+ fdisk_mbr_zeroize(cxt);
+
+ sunlabel->magic = SSWAP16(SUN_LABEL_MAGIC);
+ sunlabel->sanity = SSWAP32(SUN_LABEL_SANE);
+ sunlabel->version = SSWAP32(SUN_LABEL_VERSION);
+ sunlabel->num_partitions = SSWAP16(SUN_NUM_PARTITIONS);
+
+ res = blkdev_get_sectors(cxt->dev_fd, &llsectors);
+ sec_fac = cxt->sector_size / 512;
+
+#ifdef HDIO_GETGEO
+ if (!ioctl(cxt->dev_fd, HDIO_GETGEO, &geometry)) {
+ cxt->geom.heads = geometry.heads;
+ cxt->geom.sectors = geometry.sectors;
+ if (res == 0) {
+ llcyls = llsectors / (cxt->geom.heads * cxt->geom.sectors * sec_fac);
+ cxt->geom.cylinders = llcyls;
+ if (cxt->geom.cylinders != llcyls)
+ cxt->geom.cylinders = ~0;
+ } else {
+ 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);
+ }
+ } else
+#endif
+ {
+ cxt->geom.heads = read_int(cxt, 1,1,1024,0,_("Heads"));
+ cxt->geom.sectors = read_int(cxt, 1,1,1024,0,_("Sectors/track"));
+ cxt->geom.cylinders = read_int(cxt, 1,1,65535,0,_("Cylinders"));
+ }
+
+ sunlabel->acyl = SSWAP16(2);
+ sunlabel->pcyl = SSWAP16(cxt->geom.cylinders);
+ sunlabel->ncyl = SSWAP16(cxt->geom.cylinders - 2);
+ sunlabel->rpm = SSWAP16(5400);
+ sunlabel->intrlv = SSWAP16(1);
+ sunlabel->apc = SSWAP16(0);
+
+ sunlabel->nhead = SSWAP16(cxt->geom.heads);
+ sunlabel->nsect = SSWAP16(cxt->geom.sectors);
+ sunlabel->ncyl = SSWAP16(cxt->geom.cylinders);
+
+ snprintf(sunlabel->label_id, sizeof(sunlabel->label_id),
+ "Linux cyl %llu alt %d hd %d sec %llu",
+ cxt->geom.cylinders, SSWAP16(sunlabel->acyl), cxt->geom.heads, cxt->geom.sectors);
+
+ if (cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors >= 150 * 2048) {
+ ndiv = cxt->geom.cylinders - (50 * 2048 / (cxt->geom.heads * cxt->geom.sectors)); /* 50M swap */
+ } else
+ ndiv = cxt->geom.cylinders * 2 / 3;
+
+ set_sun_partition(cxt, 0, 0, ndiv * cxt->geom.heads * cxt->geom.sectors,
+ SUN_TAG_LINUX_NATIVE);
+ set_sun_partition(cxt, 1, ndiv * cxt->geom.heads * cxt->geom.sectors,
+ cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors,
+ SUN_TAG_LINUX_SWAP);
+ sunlabel->part_tags[1].flag |= SSWAP16(SUN_FLAG_UNMNT);
+
+ set_sun_partition(cxt, 2, 0, cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors, SUN_TAG_BACKUP);
+
+ {
+ unsigned short *ush = (unsigned short *)sunlabel;
+ unsigned short csum = 0;
+ while(ush < (unsigned short *)(&sunlabel->cksum))
+ csum ^= *ush++;
+ sunlabel->cksum = csum;
+ }
+
+ set_all_unchanged();
+ set_changed(0);
+}
+
+void toggle_sunflags(struct fdisk_context *cxt, int i, uint16_t mask)
+{
+ struct sun_tag_flag *p = &sunlabel->part_tags[i];
+
+ p->flag ^= SSWAP16(mask);
+
+ set_changed(i);
+}
+
+static void fetch_sun(struct fdisk_context *cxt, uint32_t *starts,
+ uint32_t *lens, uint32_t *start, uint32_t *stop)
+{
+ int i, continuous = 1;
+
+ *start = 0;
+ *stop = cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors;
+
+ for (i = 0; i < partitions; i++) {
+ struct sun_partition *part = &sunlabel->partitions[i];
+ struct sun_tag_flag *tag = &sunlabel->part_tags[i];
+
+ if (part->num_sectors &&
+ tag->tag != SSWAP16(SUN_TAG_UNASSIGNED) &&
+ tag->tag != SSWAP16(SUN_TAG_BACKUP)) {
+ starts[i] = (SSWAP32(part->start_cylinder) *
+ cxt->geom.heads * cxt->geom.sectors);
+ lens[i] = SSWAP32(part->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 unsigned int *verify_sun_starts;
+
+static 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(struct fdisk_context *cxt)
+{
+ uint32_t starts[SUN_NUM_PARTITIONS], lens[SUN_NUM_PARTITIONS], start, stop;
+ uint32_t i,j,k,starto,endo;
+ int array[SUN_NUM_PARTITIONS];
+
+ verify_sun_starts = starts;
+
+ fetch_sun(cxt, starts, lens, &start, &stop);
+
+ for (k = 0; k < 7; k++) {
+ for (i = 0; i < SUN_NUM_PARTITIONS; i++) {
+ if (k && (lens[i] % (cxt->geom.heads * cxt->geom.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 < SUN_NUM_PARTITIONS; i++) {
+ if (lens[i])
+ array[i] = i;
+ else
+ array[i] = -1;
+ }
+ qsort(array,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 = cxt->geom.cylinders * cxt->geom.heads * cxt->geom.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(struct fdisk_context *cxt, int n, int sys)
+{
+ uint32_t starts[SUN_NUM_PARTITIONS], lens[SUN_NUM_PARTITIONS];
+ struct sun_partition *part = &sunlabel->partitions[n];
+ struct sun_tag_flag *tag = &sunlabel->part_tags[n];
+ uint32_t start, stop, stop2;
+ int whole_disk = 0;
+
+ char mesg[256];
+ int i;
+ unsigned int first, last;
+
+ if (part->num_sectors && tag->tag != SSWAP16(SUN_TAG_UNASSIGNED)) {
+ printf(_("Partition %d is already defined. Delete "
+ "it before re-adding it.\n"), n + 1);
+ return;
+ }
+
+ fetch_sun(cxt, 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;
+ }
+ }
+ snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR));
+ for (;;) {
+ if (whole_disk)
+ first = read_int(cxt, 0, 0, 0, 0, mesg);
+ else
+ first = read_int(cxt, scround(start), scround(stop)+1,
+ scround(stop), 0, mesg);
+ if (display_in_cyl_units)
+ first *= units_per_sector;
+ else {
+ /* Starting sector has to be properly aligned */
+ int cs = cxt->geom.heads * cxt->geom.sectors;
+ int x = first % cs;
+
+ if (x)
+ first += cs - x;
+ }
+ if (n == 2 && first != 0)
+ printf (_("\
+It is highly recommended that the third partition covers the whole disk\n\
+and is of type `Whole disk'\n"));
+ /* ewt asks to add: "don't start a partition at cyl 0"
+ However, edmundo@rano.demon.co.uk writes:
+ "In addition to having a Sun partition table, to be able to
+ boot from the disc, the first partition, /dev/sdX1, must
+ start at cylinder 0. This means that /dev/sdX1 contains
+ the partition table and the boot block, as these are the
+ first two sectors of the disc. Therefore you must be
+ careful what you use /dev/sdX1 for. In particular, you must
+ not use a partition starting at cylinder 0 for Linux swap,
+ as that would overwrite the partition table and the boot
+ block. You may, however, use such a partition for a UFS
+ or EXT2 file system, as these file systems leave the first
+ 1024 bytes undisturbed. */
+ /* On the other hand, one should not use partitions
+ starting at block 0 in an md, or the label will
+ be trashed. */
+ 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 = cxt->geom.cylinders * cxt->geom.heads * cxt->geom.sectors; /* ancient */
+ stop2 = stop;
+ for (i = 0; i < partitions; i++) {
+ if (starts[i] > first && starts[i] < stop)
+ stop = starts[i];
+ }
+ snprintf(mesg, sizeof(mesg),
+ _("Last %s or +size or +sizeM or +sizeK"),
+ str_units(SINGULAR));
+ if (whole_disk)
+ last = read_int(cxt, scround(stop2), scround(stop2), scround(stop2),
+ 0, mesg);
+ else if (n == 2 && !first)
+ last = read_int(cxt, scround(first), scround(stop2), scround(stop2),
+ scround(first), mesg);
+ else
+ last = read_int(cxt, scround(first), scround(stop), scround(stop),
+ scround(first), mesg);
+ if (display_in_cyl_units)
+ last *= units_per_sector;
+ if (n == 2 && !first) {
+ if (last >= stop2) {
+ whole_disk = 1;
+ last = stop2;
+ } else if (last > stop) {
+ printf (
+ _("You haven't covered the whole disk with the 3rd partition, but your value\n"
+ "%d %s covers some other partition. Your entry has been changed\n"
+ "to %d %s\n"),
+ scround(last), str_units(SINGULAR),
+ scround(stop), str_units(SINGULAR));
+ last = stop;
+ }
+ } else if (!whole_disk && last > stop)
+ last = stop;
+
+ if (whole_disk)
+ sys = SUN_TAG_BACKUP;
+
+ set_sun_partition(cxt, n, first, last, sys);
+}
+
+void sun_delete_partition(struct fdisk_context *cxt, int i)
+{
+ struct sun_partition *part = &sunlabel->partitions[i];
+ struct sun_tag_flag *tag = &sunlabel->part_tags[i];
+ unsigned int nsec;
+
+ if (i == 2 &&
+ tag->tag == SSWAP16(SUN_TAG_BACKUP) &&
+ !part->start_cylinder &&
+ (nsec = SSWAP32(part->num_sectors))
+ == cxt->geom.heads * cxt->geom.sectors * cxt->geom.cylinders)
+ printf(_("If you want to maintain SunOS/Solaris compatibility, "
+ "consider leaving this\n"
+ "partition as Whole disk (5), starting at 0, with %u "
+ "sectors\n"), nsec);
+ tag->tag = SSWAP16(SUN_TAG_UNASSIGNED);
+ part->num_sectors = 0;
+}
+
+int sun_change_sysid(struct fdisk_context *cxt, int i, uint16_t sys)
+{
+ struct sun_partition *part = &sunlabel->partitions[i];
+ struct sun_tag_flag *tag = &sunlabel->part_tags[i];
+
+ if (sys == SUN_TAG_LINUX_SWAP && !part->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 0;
+ }
+ switch (sys) {
+ case SUN_TAG_SWAP:
+ case SUN_TAG_LINUX_SWAP:
+ /* swaps are not mountable by default */
+ tag->flag |= SSWAP16(SUN_FLAG_UNMNT);
+ break;
+ default:
+ /* assume other types are mountable;
+ user can change it anyway */
+ tag->flag &= ~SSWAP16(SUN_FLAG_UNMNT);
+ break;
+ }
+ tag->tag = SSWAP16(sys);
+ return 1;
+}
+
+void sun_list_table(struct fdisk_context *cxt, int xtra)
+{
+ int i, w;
+ char *type;
+
+ w = strlen(cxt->dev_path);
+ if (xtra)
+ printf(
+ _("\nDisk %s (Sun disk label): %u heads, %llu sectors, %d rpm\n"
+ "%llu cylinders, %d alternate cylinders, %d physical cylinders\n"
+ "%d extra sects/cyl, interleave %d:1\n"
+ "Label ID: %s\n"
+ "Volume ID: %s\n"
+ "Units = %s of %d * 512 bytes\n\n"),
+ cxt->dev_path, cxt->geom.heads, cxt->geom.sectors, SSWAP16(sunlabel->rpm),
+ cxt->geom.cylinders, SSWAP16(sunlabel->acyl),
+ SSWAP16(sunlabel->pcyl),
+ SSWAP16(sunlabel->apc),
+ SSWAP16(sunlabel->intrlv),
+ sunlabel->label_id,
+ sunlabel->volume_id,
+ str_units(PLURAL), units_per_sector);
+ else
+ printf(
+ _("\nDisk %s (Sun disk label): %u heads, %llu sectors, %llu cylinders\n"
+ "Units = %s of %d * 512 bytes\n\n"),
+ cxt->dev_path, cxt->geom.heads, cxt->geom.sectors, cxt->geom.cylinders,
+ str_units(PLURAL), units_per_sector);
+
+ printf(_("%*s Flag Start End Blocks Id System\n"),
+ w + 1, _("Device"));
+ for (i = 0 ; i < partitions; i++) {
+ struct sun_partition *part = &sunlabel->partitions[i];
+ struct sun_tag_flag *tag = &sunlabel->part_tags[i];
+
+ if (part->num_sectors) {
+ uint32_t start = SSWAP32(part->start_cylinder) * cxt->geom.heads * cxt->geom.sectors;
+ uint32_t len = SSWAP32(part->num_sectors);
+ printf(
+ "%s %c%c %9lu %9lu %9lu%c %2x %s\n",
+/* device */ partname(cxt->dev_path, i+1, w),
+/* flags */ (tag->flag & SSWAP16(SUN_FLAG_UNMNT)) ? 'u' : ' ',
+ (tag->flag & SSWAP16(SUN_FLAG_RONLY)) ? 'r' : ' ',
+/* start */ (unsigned long) scround(start),
+/* end */ (unsigned long) scround(start+len),
+/* odd flag on end */ (unsigned long) len / 2, len & 1 ? '+' : ' ',
+/* type id */ SSWAP16(tag->tag),
+/* type name */ (type = partition_type(SSWAP16(tag->tag)))
+ ? type : _("Unknown"));
+ }
+ }
+}
+
+void sun_set_alt_cyl(struct fdisk_context *cxt)
+{
+ sunlabel->acyl =
+ SSWAP16(read_int(cxt, 0,SSWAP16(sunlabel->acyl), 65535, 0,
+ _("Number of alternate cylinders")));
+}
+
+void sun_set_ncyl(struct fdisk_context *cxt, int cyl)
+{
+ sunlabel->ncyl = SSWAP16(cyl);
+}
+
+void sun_set_xcyl(struct fdisk_context *cxt)
+{
+ sunlabel->apc =
+ SSWAP16(read_int(cxt, 0, SSWAP16(sunlabel->apc), cxt->geom.sectors, 0,
+ _("Extra sectors per cylinder")));
+}
+
+void sun_set_ilfact(struct fdisk_context *cxt)
+{
+ sunlabel->intrlv =
+ SSWAP16(read_int(cxt, 1, SSWAP16(sunlabel->intrlv), 32, 0,
+ _("Interleave factor")));
+}
+
+void sun_set_rspeed(struct fdisk_context *cxt)
+{
+ sunlabel->rpm =
+ SSWAP16(read_int(cxt, 1, SSWAP16(sunlabel->rpm), 100000, 0,
+ _("Rotation speed (rpm)")));
+}
+
+void sun_set_pcylcount(struct fdisk_context *cxt)
+{
+ sunlabel->pcyl =
+ SSWAP16(read_int(cxt, 0, SSWAP16(sunlabel->pcyl), 65535, 0,
+ _("Number of physical cylinders")));
+}
+
+void sun_write_table(struct fdisk_context *cxt)
+{
+ unsigned short *ush = (unsigned short *)sunlabel;
+ unsigned short csum = 0;
+
+ while(ush < (unsigned short *)(&sunlabel->cksum))
+ csum ^= *ush++;
+ sunlabel->cksum = csum;
+ if (lseek(cxt->dev_fd, 0, SEEK_SET) < 0)
+ fatal(cxt, unable_to_seek);
+ if (write(cxt->dev_fd, sunlabel, SECTOR_SIZE) != SECTOR_SIZE)
+ fatal(cxt, unable_to_write);
+}
+
+int sun_get_sysid(struct fdisk_context *cxt, int i)
+{
+ return SSWAP16(sunlabel->part_tags[i].tag);
+}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-11 11:06:42 +0200