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This commit is contained in:
longpanda
2025-02-10 20:14:46 +08:00
parent ff7ee9c10e
commit 966ed21de7
12 changed files with 77 additions and 348 deletions
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68
VtoyTool/vtoydm.c
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@@ -68,6 +68,7 @@ static int verbose = 0;
#define CMD_DUMP_ISO_INFO 3
#define CMD_EXTRACT_ISO_FILE 4
#define CMD_PRINT_EXTRACT_ISO_FILE 5
#define CMD_PRINT_RAW_TABLE 6
static uint64_t g_iso_file_size;
static char g_disk_name[128];
@@ -578,6 +579,45 @@ static uint64_t vtoydm_get_part_start(const char *diskname, int part)
return size;
}
static uint64_t vtoydm_get_part_secnum(const char *diskname, int part)
{
int fd;
unsigned long long size = 0;
char diskpath[256] = {0};
char sizebuf[64] = {0};
diskname += 5; /* skip /dev/ */
if (strstr(diskname, "nvme") || strstr(diskname, "mmc") || strstr(diskname, "nbd"))
{
snprintf(diskpath, sizeof(diskpath) - 1, "/sys/class/block/%sp%d/size", diskname, part);
}
else
{
snprintf(diskpath, sizeof(diskpath) - 1, "/sys/class/block/%s%d/size", diskname, part);
}
if (access(diskpath, F_OK) >= 0)
{
debug("get part size from sysfs for %s %d\n", diskname, part);
fd = open(diskpath, O_RDONLY | O_BINARY);
if (fd >= 0)
{
read(fd, sizebuf, sizeof(sizebuf));
size = strtoull(sizebuf, NULL, 10);
close(fd);
return size;
}
}
else
{
debug("%s not exist \n", diskpath);
}
return size;
}
static int vtoydm_vlnk_convert(char *disk, int len, int *part, uint64_t *offset)
{
int rc = 1;
@@ -627,6 +667,24 @@ end:
return rc;
}
static int vtoydm_print_raw_linear_table(const char *img_map_file, const char *diskname, int part)
{
uint64_t disk_sector_num;
disk_sector_num = vtoydm_get_part_secnum(diskname, part);
if (strstr(diskname, "nvme") || strstr(diskname, "mmc") || strstr(diskname, "nbd"))
{
printf("0 %lu linear %sp%d 0\n", (unsigned long)disk_sector_num, diskname, part);
}
else
{
printf("0 %lu linear %s%d 0\n", (unsigned long)disk_sector_num, diskname, part);
}
return 0;
}
int vtoydm_main(int argc, char **argv)
{
int ch;
@@ -639,7 +697,7 @@ int vtoydm_main(int argc, char **argv)
char filepath[300] = {0};
char outfile[300] = {0};
while ((ch = getopt(argc, argv, "s:l:o:d:f:v::i::p::c::h::e::E::")) != -1)
while ((ch = getopt(argc, argv, "s:l:o:d:f:v::i::p::r::c::h::e::E::")) != -1)
{
if (ch == 'd')
{
@@ -653,6 +711,10 @@ int vtoydm_main(int argc, char **argv)
{
cmd = CMD_PRINT_TABLE;
}
else if (ch == 'r')
{
cmd = CMD_PRINT_RAW_TABLE;
}
else if (ch == 'c')
{
cmd = CMD_CREATE_DM;
@@ -713,6 +775,10 @@ int vtoydm_main(int argc, char **argv)
{
return vtoydm_print_linear_table(filepath, diskname, part, offset);
}
case CMD_PRINT_RAW_TABLE:
{
return vtoydm_print_raw_linear_table(filepath, diskname, part);
}
case CMD_CREATE_DM:
{
break;