block: Add parameter descriptions to kernel-doc

index 85f4b967565e..0169f6d8fe95 100644
@@ -68,10 +68,11 @@ struct pvd {
 
 /**
  * read_lba(): Read bytes from disk, starting at given LBA
- * @state
- * @lba
- * @buffer
- * @count
+ * @state: pointer to a parsed_partitions structure which holds the state
+ *	    including details about the partitions on the disk.
+ * @lba: logical block address from where the read operation should start on the disk.
+ * @buffer: pointer to a buffer where the data read from the disk will be stored.
+ * @count: number of bytes to be read from the disk.
  *
  * Description:  Reads @count bytes from @state->disk into @buffer.
  * Returns number of bytes read on success, 0 on error.

@@ -103,8 +104,9 @@ static size_t read_lba(struct parsed_partitions *state, u64 lba, u8 *buffer,
 
 /**
  * alloc_pvd(): reads physical volume descriptor
- * @state
- * @lba
+ * @state: pointer to a parsed_partitions structure which holds the state
+ *	    including details about the partitions on the disk.
+ * @lba: logical block address where the physical volume descriptor is located.
  *
  * Description: Returns pvd on success,  NULL on error.
  * Allocates space for pvd and fill it with disk blocks at @lba

@@ -128,8 +130,9 @@ static struct pvd *alloc_pvd(struct parsed_partitions *state, u32 lba)
 
 /**
  * alloc_lvn(): reads logical volume names
- * @state
- * @lba
+ * @state: pointer to a parsed_partitions structure which holds the state
+ *	    including details about the partitions on the disk.
+ * @lba: logical block address where the physical volume descriptor is located.
  *
  * Description: Returns lvn on success,  NULL on error.
  * Allocates space for lvn and fill it with disk blocks at @lba