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disk: part: add interface to get partition type 

Change-Id: I69894f5e4ce03909a8290e941d8808593d027080
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen 2018-11-29 14:32:29 +08:00
parent 61184b8f14
commit df2027612e
2 changed files with 16 additions and 1 deletions
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13
disk/part.c
View File

@ -319,6 +319,19 @@ void part_print(struct blk_desc *dev_desc)
drv->print(dev_desc);
}
const char *part_get_type(struct blk_desc *dev_desc)
{
struct part_driver *drv;
drv = part_driver_lookup_type(dev_desc);
if (!drv) {
printf("## Unknown partition table type %x\n",
dev_desc->part_type);
return NULL;
}
return drv->name;
}
#endif /* HAVE_BLOCK_DEVICE */
int part_get_info(struct blk_desc *dev_desc, int part,

4
include/part.h
View File

@ -105,7 +105,7 @@ int part_get_info(struct blk_desc *dev_desc, int part, disk_partition_t *info);
* a partition occupying the entire disk.
*/
int part_get_info_whole_disk(struct blk_desc *dev_desc, disk_partition_t *info);
const char *part_get_type(struct blk_desc *dev_desc);
void part_print(struct blk_desc *dev_desc);
void part_init(struct blk_desc *dev_desc);
void dev_print(struct blk_desc *dev_desc);
@ -214,6 +214,8 @@ static inline int part_get_info(struct blk_desc *dev_desc, int part,
static inline int part_get_info_whole_disk(struct blk_desc *dev_desc,
disk_partition_t *info)
{ return -1; }
static inline const char *part_get_type(struct blk_desc *dev_desc) { return NULL; }
static inline void part_print(struct blk_desc *dev_desc) {}
static inline void part_init(struct blk_desc *dev_desc) {}
static inline void dev_print(struct blk_desc *dev_desc) {}