include/drivers/partition/partition.h

   1 /*
   2  * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6
   7 #ifndef PARTITION_H
   8 #define PARTITION_H
   9
  10 #include <cassert.h>
  11 #include <stdint.h>
  12
  13 #if !PLAT_PARTITION_MAX_ENTRIES
  14 # define PLAT_PARTITION_MAX_ENTRIES     128
  15 #endif  /* PLAT_PARTITION_MAX_ENTRIES */
  16
  17 CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries);
  18
  19 #define PARTITION_BLOCK_SIZE            512
  20
  21 #define EFI_NAMELEN                     36
  22
  23 typedef struct partition_entry {
  24         uint64_t                start;
  25         uint64_t                length;
  26         char                    name[EFI_NAMELEN];
  27 } partition_entry_t;
  28
  29 typedef struct partition_entry_list {
  30         partition_entry_t       list[PLAT_PARTITION_MAX_ENTRIES];
  31         int                     entry_count;
  32 } partition_entry_list_t;
  33
  34 int load_partition_table(unsigned int image_id);
  35 const partition_entry_t *get_partition_entry(const char *name);
  36 const partition_entry_list_t *get_partition_entry_list(void);
  37 void partition_init(unsigned int image_id);
  38
  39 #endif /* PARTITION_H */