summaryrefslogtreecommitdiffstats
path: root/fs/partitions/sun.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/partitions/sun.c')
-rw-r--r--fs/partitions/sun.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/fs/partitions/sun.c b/fs/partitions/sun.c
deleted file mode 100644
index b5b6fcf..0000000
--- a/fs/partitions/sun.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * fs/partitions/sun.c
- *
- * Code extracted from drivers/block/genhd.c
- *
- * Copyright (C) 1991-1998 Linus Torvalds
- * Re-organised Feb 1998 Russell King
- */
-
-#include "check.h"
-#include "sun.h"
-
-int sun_partition(struct parsed_partitions *state)
-{
- int i;
- __be16 csum;
- int slot = 1;
- __be16 *ush;
- Sector sect;
- struct sun_disklabel {
- unsigned char info[128]; /* Informative text string */
- struct sun_vtoc {
- __be32 version; /* Layout version */
- char volume[8]; /* Volume name */
- __be16 nparts; /* Number of partitions */
- struct sun_info { /* Partition hdrs, sec 2 */
- __be16 id;
- __be16 flags;
- } infos[8];
- __be16 padding; /* Alignment padding */
- __be32 bootinfo[3]; /* Info needed by mboot */
- __be32 sanity; /* To verify vtoc sanity */
- __be32 reserved[10]; /* Free space */
- __be32 timestamp[8]; /* Partition timestamp */
- } vtoc;
- __be32 write_reinstruct; /* sectors to skip, writes */
- __be32 read_reinstruct; /* sectors to skip, reads */
- unsigned char spare[148]; /* Padding */
- __be16 rspeed; /* Disk rotational speed */
- __be16 pcylcount; /* Physical cylinder count */
- __be16 sparecyl; /* extra sects per cylinder */
- __be16 obs1; /* gap1 */
- __be16 obs2; /* gap2 */
- __be16 ilfact; /* Interleave factor */
- __be16 ncyl; /* Data cylinder count */
- __be16 nacyl; /* Alt. cylinder count */
- __be16 ntrks; /* Tracks per cylinder */
- __be16 nsect; /* Sectors per track */
- __be16 obs3; /* bhead - Label head offset */
- __be16 obs4; /* ppart - Physical Partition */
- struct sun_partition {
- __be32 start_cylinder;
- __be32 num_sectors;
- } partitions[8];
- __be16 magic; /* Magic number */
- __be16 csum; /* Label xor'd checksum */
- } * label;
- struct sun_partition *p;
- unsigned long spc;
- char b[BDEVNAME_SIZE];
- int use_vtoc;
- int nparts;
-
- label = read_part_sector(state, 0, &sect);
- if (!label)
- return -1;
-
- p = label->partitions;
- if (be16_to_cpu(label->magic) != SUN_LABEL_MAGIC) {
-/* printk(KERN_INFO "Dev %s Sun disklabel: bad magic %04x\n",
- bdevname(bdev, b), be16_to_cpu(label->magic)); */
- put_dev_sector(sect);
- return 0;
- }
- /* Look at the checksum */
- ush = ((__be16 *) (label+1)) - 1;
- for (csum = 0; ush >= ((__be16 *) label);)
- csum ^= *ush--;
- if (csum) {
- printk("Dev %s Sun disklabel: Csum bad, label corrupted\n",
- bdevname(state->bdev, b));
- put_dev_sector(sect);
- return 0;
- }
-
- /* Check to see if we can use the VTOC table */
- use_vtoc = ((be32_to_cpu(label->vtoc.sanity) == SUN_VTOC_SANITY) &&
- (be32_to_cpu(label->vtoc.version) == 1) &&
- (be16_to_cpu(label->vtoc.nparts) <= 8));
-
- /* Use 8 partition entries if not specified in validated VTOC */
- nparts = (use_vtoc) ? be16_to_cpu(label->vtoc.nparts) : 8;
-
- /*
- * So that old Linux-Sun partitions continue to work,
- * alow the VTOC to be used under the additional condition ...
- */
- use_vtoc = use_vtoc || !(label->vtoc.sanity ||
- label->vtoc.version || label->vtoc.nparts);
- spc = be16_to_cpu(label->ntrks) * be16_to_cpu(label->nsect);
- for (i = 0; i < nparts; i++, p++) {
- unsigned long st_sector;
- unsigned int num_sectors;
-
- st_sector = be32_to_cpu(p->start_cylinder) * spc;
- num_sectors = be32_to_cpu(p->num_sectors);
- if (num_sectors) {
- put_partition(state, slot, st_sector, num_sectors);
- state->parts[slot].flags = 0;
- if (use_vtoc) {
- if (be16_to_cpu(label->vtoc.infos[i].id) == LINUX_RAID_PARTITION)
- state->parts[slot].flags |= ADDPART_FLAG_RAID;
- else if (be16_to_cpu(label->vtoc.infos[i].id) == SUN_WHOLE_DISK)
- state->parts[slot].flags |= ADDPART_FLAG_WHOLEDISK;
- }
- }
- slot++;
- }
- strlcat(state->pp_buf, "\n", PAGE_SIZE);
- put_dev_sector(sect);
- return 1;
-}
OpenPOWER on IntegriCloud