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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __FILE_TYPE_H
#define __FILE_TYPE_H
#include <linux/string.h>
#include <linux/types.h>
/*
* List of file types we know
*/
enum filetype {
filetype_unknown,
filetype_arm_zimage,
filetype_lzo_compressed,
filetype_lz4_compressed,
filetype_arm_barebox,
filetype_uimage,
filetype_ubi,
filetype_jffs2,
filetype_squashfs,
filetype_gzip,
filetype_bzip2,
filetype_oftree,
filetype_aimage,
filetype_sh,
filetype_mips_barebox,
filetype_fat,
filetype_mbr,
filetype_bmp,
filetype_png,
filetype_qoi,
filetype_ext,
filetype_gpt,
filetype_ubifs,
filetype_bpk,
filetype_barebox_env,
filetype_ch_image,
filetype_ch_image_be,
filetype_exe,
filetype_xz_compressed,
filetype_mxs_bootstream,
filetype_socfpga_xload,
filetype_kwbimage_v0,
filetype_kwbimage_v1,
filetype_android_sparse,
filetype_arm64_linux_image,
filetype_arm64_efi_linux_image,
filetype_riscv_linux_image,
filetype_riscv_efi_linux_image,
filetype_riscv_barebox_image,
filetype_elf,
filetype_imx_image_v1,
filetype_imx_image_v2,
filetype_layerscape_image,
filetype_layerscape_qspi_image,
filetype_ubootvar,
filetype_stm32_image_fsbl_v1,
filetype_stm32_image_ssbl_v1,
filetype_zynq_image,
filetype_mxs_sd_image,
filetype_rockchip_rkns_image,
filetype_fip,
filetype_qemu_fw_cfg,
filetype_nxp_fspi_image,
filetype_zstd_compressed,
filetype_max,
};
#define FILE_TYPE_SAFE_BUFSIZE 2048
struct cdev;
const char *file_type_to_string(enum filetype f);
const char *file_type_to_short_string(enum filetype f);
enum filetype file_detect_partition_table(const void *_buf, size_t bufsize);
enum filetype file_detect_type(const void *_buf, size_t bufsize);
int file_name_detect_type(const char *filename, enum filetype *type);
int file_name_detect_type_offset(const char *filename, loff_t pos, enum filetype *type);
int cdev_detect_type(struct cdev *cdev, enum filetype *type);
enum filetype is_fat_or_mbr(const unsigned char *sector, unsigned long *bootsec);
int is_fat_boot_sector(const void *_buf);
bool filetype_is_barebox_image(enum filetype ft);
static inline bool file_is_compressed_file(enum filetype ft)
{
switch (ft) {
case filetype_lzo_compressed:
case filetype_lz4_compressed:
case filetype_gzip:
case filetype_bzip2:
case filetype_xz_compressed:
case filetype_zstd_compressed:
return true;
default:
return false;
}
}
#define ARM_HEAD_SIZE 0x30
#define ARM_HEAD_MAGICWORD_OFFSET 0x20
#define ARM_HEAD_SIZE_OFFSET 0x2C
#ifdef CONFIG_ARM
static inline int is_barebox_arm_head(const char *head)
{
return !strcmp(head + ARM_HEAD_MAGICWORD_OFFSET, "barebox");
}
#else
static inline int is_barebox_arm_head(const char *head)
{
return 0;
}
#endif
#define MIPS_HEAD_SIZE 0x20
#define MIPS_HEAD_MAGICWORD_OFFSET 0x10
#define MIPS_HEAD_SIZE_OFFSET 0x1C
#ifdef CONFIG_MIPS
static inline int is_barebox_mips_head(const char *head)
{
return !strncmp(head + MIPS_HEAD_MAGICWORD_OFFSET, "barebox", 7);
}
#else
static inline int is_barebox_mips_head(const char *head)
{
return 0;
}
#endif
static inline int is_barebox_head(const char *head)
{
return is_barebox_arm_head(head) || is_barebox_mips_head(head);
}
#endif /* __FILE_TYPE_H */
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