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#include "kpartx.h"
#include "byteorder.h"
#include <sys/types.h>
#include <string.h>
#define SECTOR_SIZE 512
#define MAX_ACL_ENTRIES 8
#define MAX_PARTITIONS 8
#define MAGIC1 0x0FACE0FFULL
#define MAGIC2 0xDEADFACEULL
struct p_acl_entry {
u_int64_t laid;
u_int64_t rights;
};
struct d_partition {
u_int64_t p_start;
u_int64_t p_size;
struct p_acl_entry p_acl[MAX_ACL_ENTRIES];
};
struct disklabel {
u_int8_t d_res1[16];
u_int64_t d_magic1;
u_int64_t d_magic2;
u_int64_t d_res2;
u_int64_t d_res3;
struct d_partition d_partitions[MAX_PARTITIONS];
u_int8_t d_pad[0x600 - MAX_PARTITIONS * sizeof(struct d_partition) - 0x30];
};
static int
read_disklabel(int fd, struct disklabel *label) {
unsigned char *data;
unsigned int i;
for (i = 0; i < sizeof(struct disklabel) / SECTOR_SIZE; i++) {
data = (unsigned char *) getblock(fd, i);
if (!data)
return 0;
memcpy((unsigned char *) label + i * SECTOR_SIZE, data, SECTOR_SIZE);
}
return 1;
}
int
read_ps3_pt(int fd, __attribute__((unused)) struct slice all,
struct slice *sp, __attribute__((unused)) unsigned int ns) {
struct disklabel label;
int n = 0;
int i;
if (!read_disklabel(fd, &label))
return -1;
if ((be64_to_cpu(label.d_magic1) != MAGIC1) ||
(be64_to_cpu(label.d_magic2) != MAGIC2))
return -1;
for (i = 0; i < MAX_PARTITIONS; i++) {
if (label.d_partitions[i].p_start && label.d_partitions[i].p_size) {
sp[n].start = be64_to_cpu(label.d_partitions[i].p_start);
sp[n].size = be64_to_cpu(label.d_partitions[i].p_size);
n++;
}
}
return n;
}
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