block/partitions/sysv68.c

1 // SPDX-License-Identifier: GPL-2.0
3  *  fs/partitions/sysv68.c
11  *	Volume ID structure: on first 256-bytes sector of disk
20  *	config block: second 256-bytes sector on disk
25 	__be32	ios_slcblk;	/* Slice table block number */
26 	__be16	ios_slccnt;	/* Number of entries in slice table */
40  *	Slice Table Structure
45 	__be32	blkoff;			/* block offset of slice */
61 		return -1;  in sysv68_partition()
64 	if (memcmp(b->dk_vid.vid_mac, "MOTOROLA", sizeof(b->dk_vid.vid_mac))) {  in sysv68_partition()
68 	slices = be16_to_cpu(b->dk_ios.ios_slccnt);  in sysv68_partition()
69 	i = be32_to_cpu(b->dk_ios.ios_slcblk);  in sysv68_partition()
74 		return -1;  in sysv68_partition()
76 	slices -= 1; /* last slice is the whole disk */  in sysv68_partition()
77 	snprintf(tmp, sizeof(tmp), "sysV68: %s(s%u)", state->name, slices);  in sysv68_partition()
78 	strlcat(state->pp_buf, tmp, PAGE_SIZE);  in sysv68_partition()
81 		if (slot == state->limit)  in sysv68_partition()
83 		if (be32_to_cpu(slice->nblocks)) {  in sysv68_partition()
85 				be32_to_cpu(slice->blkoff),  in sysv68_partition()
86 				be32_to_cpu(slice->nblocks));  in sysv68_partition()
88 			strlcat(state->pp_buf, tmp, PAGE_SIZE);  in sysv68_partition()
92 	strlcat(state->pp_buf, "\n", PAGE_SIZE);  in sysv68_partition()