1 /* 2 * fs/partitions/karma.c 3 * Rio Karma partition info. 4 * 5 * Copyright (C) 2006 Bob Copeland (me@bobcopeland.com) 6 * based on osf.c 7 */ 8 9 #include "check.h" 10 #include "karma.h" 11 #include <linux/compiler.h> 12 13 int karma_partition(struct parsed_partitions *state) 14 { 15 int i; 16 int slot = 1; 17 Sector sect; 18 unsigned char *data; 19 struct disklabel { 20 u8 d_reserved[270]; 21 struct d_partition { 22 __le32 p_res; 23 u8 p_fstype; 24 u8 p_res2[3]; 25 __le32 p_offset; 26 __le32 p_size; 27 } d_partitions[2]; 28 u8 d_blank[208]; 29 __le16 d_magic; 30 } __packed *label; 31 struct d_partition *p; 32 33 data = read_part_sector(state, 0, §); 34 if (!data) 35 return -1; 36 37 label = (struct disklabel *)data; 38 if (le16_to_cpu(label->d_magic) != KARMA_LABEL_MAGIC) { 39 put_dev_sector(sect); 40 return 0; 41 } 42 43 p = label->d_partitions; 44 for (i = 0 ; i < 2; i++, p++) { 45 if (slot == state->limit) 46 break; 47 48 if (p->p_fstype == 0x4d && le32_to_cpu(p->p_size)) { 49 put_partition(state, slot, le32_to_cpu(p->p_offset), 50 le32_to_cpu(p->p_size)); 51 } 52 slot++; 53 } 54 strlcat(state->pp_buf, "\n", PAGE_SIZE); 55 put_dev_sector(sect); 56 return 1; 57 } 58 59