include/imx_container.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright 2018-2019 NXP
   4  */
   5
   6 #ifndef __CONTAINER_HEADER_H_
   7 #define __CONTAINER_HEADER_H_
   8
   9 #include <linux/sizes.h>
  10 #include <linux/types.h>
  11
  12 #define IV_MAX_LEN                      32
  13 #define HASH_MAX_LEN                    64
  14
  15 #define CONTAINER_HDR_ALIGNMENT 0x400
  16 #define CONTAINER_HDR_EMMC_OFFSET 0
  17 #define CONTAINER_HDR_MMCSD_OFFSET SZ_32K
  18 #define CONTAINER_HDR_QSPI_OFFSET SZ_4K
  19 #define CONTAINER_HDR_NAND_OFFSET SZ_128M
  20
  21 #define CONTAINER_HDR_TAG 0x87
  22 #define CONTAINER_HDR_VERSION 0
  23
  24 struct container_hdr {
  25         u8 version;
  26         u8 length_lsb;
  27         u8 length_msb;
  28         u8 tag;
  29         u32 flags;
  30         u16 sw_version;
  31         u8 fuse_version;
  32         u8 num_images;
  33         u16 sig_blk_offset;
  34         u16 reserved;
  35 } __packed;
  36
  37 struct boot_img_t {
  38         u32 offset;
  39         u32 size;
  40         u64 dst;
  41         u64 entry;
  42         u32 hab_flags;
  43         u32 meta;
  44         u8 hash[HASH_MAX_LEN];
  45         u8 iv[IV_MAX_LEN];
  46 } __packed;
  47
  48 struct signature_block_hdr {
  49         u8 version;
  50         u8 length_lsb;
  51         u8 length_msb;
  52         u8 tag;
  53         u16 cert_offset;
  54         u16 srk_table_offset;
  55         u16 signature_offset;
  56         u16 blob_offset;
  57         u32 reserved;
  58 } __packed;
  59
  60 struct generate_key_blob_hdr {
  61         u8 version;
  62         u8 length_lsb;
  63         u8 length_msb;
  64         u8 tag;
  65         u8 flags;
  66         u8 size;
  67         u8 algorithm;
  68         u8 mode;
  69 } __packed;
  70
  71 int get_container_size(ulong addr, u16 *header_length);
  72
  73 static inline bool valid_container_hdr(struct container_hdr *container)
  74 {
  75         return container->tag == CONTAINER_HDR_TAG &&
  76                container->version == CONTAINER_HDR_VERSION;
  77 }
  78 #endif