#include <ide.h>
#include <common.h>
-typedef struct block_dev_desc {
+struct block_dev_desc {
int if_type; /* type of the interface */
int dev; /* device number */
unsigned char part_type; /* partition type */
unsigned char target; /* target SCSI ID */
unsigned char lun; /* target LUN */
+ unsigned char hwpart; /* HW partition, e.g. for eMMC */
unsigned char type; /* device type */
unsigned char removable; /* removable device */
#ifdef CONFIG_LBA48
char vendor [40+1]; /* IDE model, SCSI Vendor */
char product[20+1]; /* IDE Serial no, SCSI product */
char revision[8+1]; /* firmware revision */
- unsigned long (*block_read)(int dev,
+ unsigned long (*block_read)(block_dev_desc_t *block_dev,
lbaint_t start,
lbaint_t blkcnt,
void *buffer);
- unsigned long (*block_write)(int dev,
+ unsigned long (*block_write)(block_dev_desc_t *block_dev,
lbaint_t start,
lbaint_t blkcnt,
const void *buffer);
- unsigned long (*block_erase)(int dev,
+ unsigned long (*block_erase)(block_dev_desc_t *block_dev,
lbaint_t start,
lbaint_t blkcnt);
void *priv; /* driver private struct pointer */
-}block_dev_desc_t;
+};
#define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
#define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
#ifdef CONFIG_PARTITION_UUIDS
char uuid[37]; /* filesystem UUID as string, if exists */
#endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ char type_guid[37]; /* type GUID as string, if exists */
+#endif
} disk_partition_t;
/* Misc _get_dev functions */
* @return - '0' on success, otherwise error
*/
int write_mbr_and_gpt_partitions(block_dev_desc_t *dev_desc, void *buf);
+
+/**
+ * gpt_verify_headers() - Function to read and CRC32 check of the GPT's header
+ * and partition table entries (PTE)
+ *
+ * As a side effect if sets gpt_head and gpt_pte so they point to GPT data.
+ *
+ * @param dev_desc - block device descriptor
+ * @param gpt_head - pointer to GPT header data read from medium
+ * @param gpt_pte - pointer to GPT partition table enties read from medium
+ *
+ * @return - '0' on success, otherwise error
+ */
+int gpt_verify_headers(block_dev_desc_t *dev_desc, gpt_header *gpt_head,
+ gpt_entry **gpt_pte);
+
+/**
+ * gpt_verify_partitions() - Function to check if partitions' name, start and
+ * size correspond to '$partitions' env variable
+ *
+ * This function checks if on medium stored GPT data is in sync with information
+ * provided in '$partitions' environment variable. Specificially, name, start
+ * and size of the partition is checked.
+ *
+ * @param dev_desc - block device descriptor
+ * @param partitions - partition data read from '$partitions' env variable
+ * @param parts - number of partitions read from '$partitions' env variable
+ * @param gpt_head - pointer to GPT header data read from medium
+ * @param gpt_pte - pointer to GPT partition table enties read from medium
+ *
+ * @return - '0' on success, otherwise error
+ */
+int gpt_verify_partitions(block_dev_desc_t *dev_desc,
+ disk_partition_t *partitions, int parts,
+ gpt_header *gpt_head, gpt_entry **gpt_pte);
#endif
#endif /* _PART_H */