int mac_partition(struct parsed_partitions *state)
{
Sector sect;
unsigned char *data;
int slot, blocks_in_map;
unsigned secsize;
#ifdef CONFIG_PPC_PMAC
int found_root = 0;
int found_root_goodness = 0;
#endif
struct mac_partition *part;
struct mac_driver_desc *md;
/* */
md = read_part_sector(state, 0, §);
if (!md)
return -1;
if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) {
put_dev_sector(sect);
return 0;
}
secsize = be16_to_cpu(md->block_size);
put_dev_sector(sect);
data = read_part_sector(state, secsize/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + secsize%512);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) {
put_dev_sector(sect);
return 0; /* */
}
blocks_in_map = be32_to_cpu(part->map_count);
if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) {
put_dev_sector(sect);
return 0;
}
strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
for (slot = 1; slot <= blocks_in_map; ++slot) {
int pos = slot * secsize;
put_dev_sector(sect);
data = read_part_sector(state, pos/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + pos%512);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC)
break;
put_partition(state, slot,
be32_to_cpu(part->start_block) * (secsize/512),
be32_to_cpu(part->block_count) * (secsize/512));
if (!strnicmp(part->type, "Linux_RAID", 10))
state->parts[slot].flags = ADDPART_FLAG_RAID;
#ifdef CONFIG_PPC_PMAC
/*
*/
if (machine_is(powermac)) {
int goodness = 0;
mac_fix_string(part->processor, 16);
mac_fix_string(part->name, 32);
mac_fix_string(part->type, 32);
if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE)
&& strcasecmp(part->processor, "powerpc") == 0)
goodness++;
if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0
|| (strnicmp(part->type, "Linux", 5) == 0
&& strcasecmp(part->type, "Linux_swap") != 0)) {
int i, l;
goodness++;
l = strlen(part->name);
if (strcmp(part->name, "/") == 0)
goodness++;
for (i = 0; i <= l - 4; ++i) {
if (strnicmp(part->name + i, "root",
4) == 0) {
goodness += 2;
break;
}
}
if (strnicmp(part->name, "swap", 4) == 0)
goodness--;
}
if (goodness > found_root_goodness) {
found_root = slot;
found_root_goodness = goodness;
}
}
#endif /* */
}
#ifdef CONFIG_PPC_PMAC
if (found_root_goodness)
note_bootable_part(state->bdev->bd_dev, found_root,
found_root_goodness);
#endif
put_dev_sector(sect);
strlcat(state->pp_buf, "\n", PAGE_SIZE);
return 1;
}
int mac_partition(struct gendisk *hd, kdev_t dev, unsigned long fsec, int first_part_minor)
{
struct buffer_head *bh;
int blk, blocks_in_map;
int dev_bsize, dev_pos, pos;
unsigned secsize;
#ifdef CONFIG_PPC
int found_root = 0;
int found_root_goodness = 0;
#endif
struct mac_partition *part;
struct mac_driver_desc *md;
dev_bsize = get_ptable_blocksize(dev);
dev_pos = 0;
/* Get 0th block and look at the first partition map entry. */
if ((bh = bread(dev, 0, dev_bsize)) == 0) {
printk("%s: error reading partition table\n",
kdevname(dev));
return -1;
}
md = (struct mac_driver_desc *) bh->b_data;
if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) {
brelse(bh);
return 0;
}
secsize = be16_to_cpu(md->block_size);
if (secsize >= dev_bsize) {
brelse(bh);
dev_pos = secsize;
if ((bh = bread(dev, secsize/dev_bsize, dev_bsize)) == 0) {
printk("%s: error reading partition table\n",
kdevname(dev));
return -1;
}
}
part = (struct mac_partition *) (bh->b_data + secsize - dev_pos);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) {
brelse(bh);
return 0; /* not a MacOS disk */
}
blocks_in_map = be32_to_cpu(part->map_count);
for (blk = 1; blk <= blocks_in_map; ++blk) {
pos = blk * secsize;
if (pos >= dev_pos + dev_bsize) {
brelse(bh);
dev_pos = pos;
if ((bh = bread(dev, pos/dev_bsize, dev_bsize)) == 0) {
printk("%s: error reading partition table\n",
kdevname(dev));
return -1;
}
}
part = (struct mac_partition *) (bh->b_data + pos - dev_pos);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC)
break;
blocks_in_map = be32_to_cpu(part->map_count);
add_gd_partition(hd, first_part_minor,
fsec + be32_to_cpu(part->start_block) * (secsize/512),
be32_to_cpu(part->block_count) * (secsize/512), 0);
#ifdef CONFIG_PPC
/*
* If this is the first bootable partition, tell the
* setup code, in case it wants to make this the root.
*/
if (_machine == _MACH_Pmac) {
int goodness = 0;
if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE)
&& strcasecmp(part->processor, "powerpc") == 0)
goodness++;
if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0) {
goodness++;
if ((strcmp(part->name, "/") == 0) ||
(strstr(part->name, "root") != 0)) {
goodness++;
}
if (strncmp(part->name, "swap", 4) == 0)
goodness--;
}
if (goodness > found_root_goodness) {
found_root = blk;
found_root_goodness = goodness;
}
}
#endif /* CONFIG_PPC */
++first_part_minor;
}
#ifdef CONFIG_PPC
if (found_root_goodness)
note_bootable_part(dev, found_root);
#endif
brelse(bh);
printk("\n");
return 1;
}
int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
{
int slot = 1;
Sector sect;
unsigned char *data;
int blk, blocks_in_map;
unsigned secsize;
#ifdef CONFIG_PPC_PMAC
int found_root = 0;
int found_root_goodness = 0;
#endif
struct mac_partition *part;
struct tivo_bigpartition *bigpart;
struct mac_driver_desc *md;
#ifdef CONFIG_TIVO
int tivo_only = 0;
#endif
/* Get 0th block and look at the first partition map entry. */
md = (struct mac_driver_desc *) read_dev_sector(bdev, 0, §);
if (!md)
return -1;
#ifdef CONFIG_TIVO
switch(be16_to_cpu(md->signature)) {
case MAC_DRIVER_MAGIC:
secsize = be16_to_cpu(md->block_size);
put_dev_sector(sect);
data = read_dev_sector(bdev, secsize/512, §);
if (!data)
return -1;
part = (struct mac_partition *)(data + secsize % 512);
break;
case TIVO_BOOT_MAGIC:
tivo_only = 0;
secsize = 512;
data = read_dev_sector(bdev, 1, §);
if (!data)
return -1;
part = (struct mac_partition *)data;
break;
default:
put_dev_sector(sect);
printk("block 0 has signature %x rather than %x or %x\n",
be16_to_cpu(md->signature), MAC_DRIVER_MAGIC,
TIVO_BOOT_MAGIC);
return 0;
}
#else
if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) {
put_dev_sector(sect);
return 0;
}
secsize = be16_to_cpu(md->block_size);
put_dev_sector(sect);
data = read_dev_sector(bdev, secsize/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + secsize%512);
#endif
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) {
put_dev_sector(sect);
return 0; /* not a MacOS disk */
}
#ifdef CONFIG_TIVO
printk(" [%s]", (be16_to_cpu(md->signature) == TIVO_BOOT_MAGIC) ? "tivo" : "mac");
#else
printk(" [mac]");
#endif
blocks_in_map = be32_to_cpu(part->map_count);
for (blk = 1; blk <= blocks_in_map; ++blk) {
int pos = blk * secsize;
put_dev_sector(sect);
data = read_dev_sector(bdev, pos/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + pos%512);
switch (be16_to_cpu(part->signature)) {
case MAC_PARTITION_MAGIC:
#ifdef CONFIG_TIVO
if (tivo_only && strncmp(part->type, "TiVo", 4) != 0) {
continue;
}
#endif
put_partition(state, slot,
be32_to_cpu(part->start_block) * (secsize/512),
be32_to_cpu(part->block_count) * (secsize/512));
#ifdef CONFIG_TIVO
/* Check for media partition */
if (be32_to_cpu(part->status) & 0x100) {
state->parts[slot].driver_flags = 1;
printk("[M]");
}
#endif
#ifdef CONFIG_PPC_PMAC
/*
* If this is the first bootable partition, tell the
* setup code, in case it wants to make this the root.
*/
if (machine_is(powermac)) {
int goodness = 0;
mac_fix_string(part->processor, 16);
mac_fix_string(part->name, 32);
mac_fix_string(part->type, 32);
if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE)
&& strcasecmp(part->processor, "powerpc") == 0)
goodness++;
if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0
|| (strnicmp(part->type, "Linux", 5) == 0
&& strcasecmp(part->type, "Linux_swap") != 0)) {
int i, l;
goodness++;
l = strlen(part->name);
if (strcmp(part->name, "/") == 0)
goodness++;
for (i = 0; i <= l - 4; ++i) {
if (strnicmp(part->name + i, "root",
4) == 0) {
goodness += 2;
break;
}
}
if (strnicmp(part->name, "swap", 4) == 0)
goodness--;
}
if (goodness > found_root_goodness) {
found_root = blk;
found_root_goodness = goodness;
}
}
#endif /* CONFIG_PPC_PMAC */
++slot;
break;
#ifdef CONFIG_TIVO
case TIVO_BIGPARTITION_MAGIC:
bigpart = (struct tivo_bigpartition *) part;
put_partition(state, slot,
be64_to_cpu(bigpart->start_block) * (secsize/512),
be64_to_cpu(bigpart->block_count) * (secsize/512));
/* Show that we found the big-partition code */
printk("!");
/* Check for media partition */
if (be32_to_cpu(bigpart->status) & 0x100) {
state->parts[slot].driver_flags = 1;
printk("[M]");
}
++slot;
#endif
break;
default:
break;
}
}
#ifdef CONFIG_PPC_PMAC
if (found_root_goodness)
note_bootable_part(bdev->bd_dev, found_root, found_root_goodness);
#endif
put_dev_sector(sect);
printk("\n");
return 1;
}
int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
{
Sector sect;
unsigned char *data;
int slot, blocks_in_map;
unsigned secsize;
#ifdef CONFIG_PPC_PMAC
int found_root = 0;
int found_root_goodness = 0;
#endif
struct mac_partition *part;
struct mac_driver_desc *md;
/* Get 0th block and look at the first partition map entry. */
md = (struct mac_driver_desc *) read_dev_sector(bdev, 0, §);
if (!md)
return -1;
if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) {
put_dev_sector(sect);
return 0;
}
secsize = be16_to_cpu(md->block_size);
put_dev_sector(sect);
data = read_dev_sector(bdev, secsize/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + secsize%512);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) {
put_dev_sector(sect);
return 0; /* not a MacOS disk */
}
blocks_in_map = be32_to_cpu(part->map_count);
if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) {
put_dev_sector(sect);
return 0;
}
printk(" [mac]");
for (slot = 1; slot <= blocks_in_map; ++slot) {
int pos = slot * secsize;
put_dev_sector(sect);
data = read_dev_sector(bdev, pos/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + pos%512);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC)
break;
put_partition(state, slot,
be32_to_cpu(part->start_block) * (secsize/512),
be32_to_cpu(part->block_count) * (secsize/512));
if (!strnicmp(part->type, "Linux_RAID", 10))
state->parts[slot].flags = 1;
#ifdef CONFIG_PPC_PMAC
/*
* If this is the first bootable partition, tell the
* setup code, in case it wants to make this the root.
*/
if (machine_is(powermac)) {
int goodness = 0;
mac_fix_string(part->processor, 16);
mac_fix_string(part->name, 32);
mac_fix_string(part->type, 32);
if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE)
&& strcasecmp(part->processor, "powerpc") == 0)
goodness++;
if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0
|| (strnicmp(part->type, "Linux", 5) == 0
&& strcasecmp(part->type, "Linux_swap") != 0)) {
int i, l;
goodness++;
l = strlen(part->name);
if (strcmp(part->name, "/") == 0)
goodness++;
for (i = 0; i <= l - 4; ++i) {
if (strnicmp(part->name + i, "root",
4) == 0) {
goodness += 2;
break;
}
}
if (strnicmp(part->name, "swap", 4) == 0)
goodness--;
}
if (goodness > found_root_goodness) {
found_root = slot;
found_root_goodness = goodness;
}
}
#endif /* CONFIG_PPC_PMAC */
}
#ifdef CONFIG_PPC_PMAC
if (found_root_goodness)
note_bootable_part(bdev->bd_dev, found_root, found_root_goodness);
#endif
put_dev_sector(sect);
printk("\n");
return 1;
}
int mac_partition(struct parsed_partitions *state)
{
Sector sect;
unsigned char *data;
int slot, blocks_in_map;
unsigned secsize;
#ifdef CONFIG_PPC_PMAC
int found_root = 0;
int found_root_goodness = 0;
#endif
#ifdef CONFIG_TIVO_DISKPARTITION
int num_parts=-1; // count number of valid tivo partitions
#endif
struct mac_partition *part;
struct mac_driver_desc *md;
/* Get 0th block and look at the first partition map entry. */
md = read_part_sector(state, 0, §);
if (!md)
return -1;
#ifdef CONFIG_TIVO_DISKPARTITION
switch(md->signature) {
case MAC_DRIVER_MAGIC:
secsize = md->block_size;
put_dev_sector(sect);
data = read_part_sector(state, secsize/512, §);
if (!data)
return -1;
part = (struct mac_partition *)(data + secsize % 512);
break;
case TIVO_BOOT_MAGIC:
secsize = 512;
data = read_part_sector(state, 1, §);
if (!data)
return -1;
part = (struct mac_partition *)data;
break;
default:
put_dev_sector(sect);
printk("block 0 has signature %x rather than %x or %x\n",
md->signature, MAC_DRIVER_MAGIC,
TIVO_BOOT_MAGIC);
return 0;
}
if (part->signature != MAC_PARTITION_MAGIC) {
put_dev_sector(sect);
return 0; /* not a MacOS disk */
}
blocks_in_map = part->map_count;
#else
if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) {
put_dev_sector(sect);
return 0;
}
secsize = be16_to_cpu(md->block_size);
put_dev_sector(sect);
data = read_part_sector(state, secsize/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + secsize%512);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) {
put_dev_sector(sect);
return 0; /* not a MacOS disk */
}
blocks_in_map = be32_to_cpu(part->map_count);
#endif
if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) {
put_dev_sector(sect);
return 0;
}
#ifdef CONFIG_TIVO_DISKPARTITION
if (md->signature == TIVO_BOOT_MAGIC)
{
strlcat(state->pp_buf," [tivo]", PAGE_SIZE);
num_parts=0;
}
else
#endif
strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
for (slot = 1; slot <= blocks_in_map; ++slot) {
int pos = slot * secsize;
put_dev_sector(sect);
data = read_part_sector(state, pos/512, §);
if (!data)
return -1;
part = (struct mac_partition *) (data + pos%512);
#ifdef CONFIG_TIVO_DISKPARTITION
if (part->signature == TIVO_BIGPARTITION_MAGIC) {
struct tivo_bigpartition *bigpart = (void *) part;
put_partition(state, slot,
bigpart->start_block * (secsize/512),
bigpart->block_count * (secsize/512));
/* Show that we found the big-partition code */
strlcat(state->pp_buf,"!",PAGE_SIZE);
/* Check for media partition */
if (bigpart->status & 0x100) {
state->parts[slot].driver_flags = 1;
strlcat(state->pp_buf,"[M]",PAGE_SIZE);
}
} else
{
if (part->signature != MAC_PARTITION_MAGIC)
break;
put_partition(state, slot,
part->start_block * (secsize/512),
part->block_count * (secsize/512));
/* Check for media partition */
if (part->status & 0x100) {
state->parts[slot].driver_flags = 1;
strlcat(state->pp_buf,"[M]",PAGE_SIZE);
}
}
if (num_parts >= 0) num_parts++;
#else
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC)
break;
put_partition(state, slot,
be32_to_cpu(part->start_block) * (secsize/512),
be32_to_cpu(part->block_count) * (secsize/512));
if (!strnicmp(part->type, "Linux_RAID", 10))
state->parts[slot].flags = ADDPART_FLAG_RAID;
#endif
#ifdef CONFIG_PPC_PMAC
/*
* If this is the first bootable partition, tell the
* setup code, in case it wants to make this the root.
*/
if (machine_is(powermac)) {
int goodness = 0;
mac_fix_string(part->processor, 16);
mac_fix_string(part->name, 32);
mac_fix_string(part->type, 32);
if ((be32_to_cpu(part->status) & MAC_STATUS_BOOTABLE)
&& strcasecmp(part->processor, "powerpc") == 0)
goodness++;
if (strcasecmp(part->type, "Apple_UNIX_SVR2") == 0
|| (strnicmp(part->type, "Linux", 5) == 0
&& strcasecmp(part->type, "Linux_swap") != 0)) {
int i, l;
goodness++;
l = strlen(part->name);
if (strcmp(part->name, "/") == 0)
goodness++;
for (i = 0; i <= l - 4; ++i) {
if (strnicmp(part->name + i, "root",
4) == 0) {
goodness += 2;
break;
}
}
if (strnicmp(part->name, "swap", 4) == 0)
goodness--;
}
if (goodness > found_root_goodness) {
found_root = slot;
found_root_goodness = goodness;
}
}
#endif /* CONFIG_PPC_PMAC */
}
#ifdef CONFIG_PPC_PMAC
if (found_root_goodness)
note_bootable_part(state->bdev->bd_dev, found_root,
found_root_goodness);
#endif
put_dev_sector(sect);
#ifdef CONFIG_TIVO_DISKPARTITION
if (num_parts == 14)
{
// We found a TiVo signature plus exactly 14 partitions
strlcat(state->pp_buf, " :)", PAGE_SIZE);
state->bdev->bd_disk->tivo=1; // tell sysfs
}
#endif
strlcat(state->pp_buf, "\n", PAGE_SIZE);
return 1;
}
