include/fb_fsl.h

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2010-2016 Freescale Semiconductor, Inc.
 * Copyright 2017-2019 NXP
 */

#ifndef FB_FSL_H
#define FB_FSL_H
#include <stdbool.h>
#include <linux/types.h>

#define FASTBOOT_PTENTRY_FLAGS_REPEAT(n)              (n & 0x0f)
#define FASTBOOT_PTENTRY_FLAGS_REPEAT_MASK            0x0000000F

/* Writes happen a block at a time.
   If the write fails, go to next block
   NEXT_GOOD_BLOCK and CONTIGOUS_BLOCK can not both be set */
#define FASTBOOT_PTENTRY_FLAGS_WRITE_NEXT_GOOD_BLOCK  0x00000010

/* Find a contiguous block big enough for a the whole file
   NEXT_GOOD_BLOCK and CONTIGOUS_BLOCK can not both be set */
#define FASTBOOT_PTENTRY_FLAGS_WRITE_CONTIGUOUS_BLOCK 0x00000020

/* Write the file with write.i */
#define FASTBOOT_PTENTRY_FLAGS_WRITE_I                0x00000100

/* Write the file with write.trimffs */
#define FASTBOOT_PTENTRY_FLAGS_WRITE_TRIMFFS          0x00000200

/* Write the file as a series of variable/value pairs
   using the setenv and saveenv commands */
#define FASTBOOT_PTENTRY_FLAGS_WRITE_ENV              0x00000400

/* Uneraseable partition */
#define FASTBOOT_PTENTRY_FLAGS_UNERASEABLE            0x00000800

#define FASTBOOT_MMC_BOOT_PARTITION_ID  1
#define FASTBOOT_MMC_USER_PARTITION_ID  0
#define FASTBOOT_MMC_NONE_PARTITION_ID -1
#define FASTBOOT_MMC_BOOT1_PARTITION_ID  2

#define FASTBOOT_PARTITION_TEE "tos"
#define FASTBOOT_PARTITION_PRDATA "presistdata"

#ifdef CONFIG_AVB_SUPPORT
#define FASTBOOT_PARTITION_AVBKEY "avbkey"
#endif

#ifdef CONFIG_FLASH_MCUFIRMWARE_SUPPORT
#define FASTBOOT_MCU_FIRMWARE_PARTITION "m4_os"
#endif

#ifdef CONFIG_ANDROID_AB_SUPPORT
#define FASTBOOT_PARTITION_BOOT_A "boot_a"
#define FASTBOOT_PARTITION_RECOVERY "recovery"
#define FASTBOOT_PARTITION_SYSTEM_A "system_a"
#define FASTBOOT_PARTITION_BOOTLOADER "bootloader0"
#define FASTBOOT_PARTITION_DATA "userdata"
#define FASTBOOT_PARTITION_BOOT_B "boot_b"
#define FASTBOOT_PARTITION_SYSTEM_B "system_b"
#define FASTBOOT_PARTITION_OEM_A "oem_a"
#define FASTBOOT_PARTITION_VENDOR_A "vendor_a"
#define FASTBOOT_PARTITION_OEM_B "oem_b"
#define FASTBOOT_PARTITION_VENDOR_B "vendor_b"
#ifdef CONFIG_AVB_SUPPORT
#define FASTBOOT_PARTITION_VBMETA_A "vbmeta_a"
#define FASTBOOT_PARTITION_VBMETA_B "vbmeta_b"
#endif
#define FASTBOOT_PARTITION_MISC "misc"
#define FASTBOOT_PARTITION_GPT "gpt"
#define FASTBOOT_PARTITION_FBMISC "fbmisc"
#else
#define FASTBOOT_PARTITION_BOOT "boot"
#define FASTBOOT_PARTITION_RECOVERY "recovery"
#define FASTBOOT_PARTITION_SYSTEM "system"
#define FASTBOOT_PARTITION_CACHE "cache"
#define FASTBOOT_PARTITION_DEVICE "device"
#ifdef CONFIG_TARGET_IMX8MQ_PHANBELL
#define FASTBOOT_PARTITION_BOOTLOADER "bootloader0"
#else
#define FASTBOOT_PARTITION_BOOTLOADER "bootloader"
#endif
#define FASTBOOT_PARTITION_DATA "userdata"
#define FASTBOOT_PARTITION_GPT "gpt"
#define FASTBOOT_PARTITION_MISC "misc"
#define FASTBOOT_PARTITION_FBMISC "fbmisc"
#endif

#ifdef CONFIG_IMX_TRUSTY_OS
#ifndef CONFIG_AVB_ATX
#define FASTBOOT_SET_RPMB_KEY "set-rpmb-key"
#define FASTBOOT_SET_RPMB_RANDOM_KEY "set-rpmb-random-key"
#define FASTBOOT_SET_VBMETA_PUBLIC_KEY "set-public-key"
#endif

#define FASTBOOT_SET_CA_RESP "at-set-ca-response"
#define FASTBOOT_GET_CA_REQ  "at-get-ca-request"
#define FASTBOOT_SET_RSA_ATTESTATION_KEY  "set-rsa-atte-key"
#define FASTBOOT_SET_EC_ATTESTATION_KEY  "set-ec-atte-key"
#define FASTBOOT_APPEND_RSA_ATTESTATION_CERT  "append-rsa-atte-cert"
#define FASTBOOT_APPEND_EC_ATTESTATION_CERT  "append-ec-atte-cert"
#endif

#ifdef CONFIG_ANDROID_THINGS_SUPPORT
#define FASTBOOT_BOOTLOADER_VBOOT_KEY "fuse at-bootloader-vboot-key"
#ifdef CONFIG_AVB_ATX
#define FASTBOOT_AVB_AT_PERM_ATTR "fuse at-perm-attr"
#define FASTBOOT_AT_UNLOCK_VBOOT "at-unlock-vboot"
#define FASTBOOT_AT_LOCK_VBOOT "at-lock-vboot"
#define FASTBOOT_AT_DISABLE_UNLOCK_VBOOT "at-disable-unlock-vboot"
#define FASTBOOT_AT_GET_UNLOCK_CHALLENGE "at-get-vboot-unlock-challenge"
#endif /* CONFIG_AVB_ATX */
#endif /* CONFIG_ANDROID_THINGS_SUPPORT */

#ifndef TEE_HWPARTITION_ID
#define TEE_HWPARTITION_ID 2
#endif

#define FASTBOOT_PARTITION_ALL "all"

#define MMC_SATA_BLOCK_SIZE 512

#define ANDROID_MBR_OFFSET	    0
#define ANDROID_MBR_SIZE	    0x200
#define ANDROID_BOOTLOADER_SIZE	    0x400000

#define ANDROID_GPT_OFFSET         0
#define ANDROID_GPT_SIZE           0x100000
#define ANDROID_GPT_END	           0x4400

/* To support the Android-style naming of flash */
#define MAX_PTN		    32

enum {
    DEV_SATA,
    DEV_MMC,
    DEV_NAND,
#ifdef CONFIG_FLASH_MCUFIRMWARE_SUPPORT
    /* SPI Flash */
    DEV_SF
#endif
};

typedef enum {
#ifdef CONFIG_ANDROID_RECOVERY
	/* Revoery boot due to combo keys pressed */
	BOOTMODE_RECOVERY_KEY_PRESSED,
	/* Recovery boot due to boot-recovery cmd in misc parition */
	BOOTMODE_RECOVERY_BCB_CMD,
#endif
	/* Fastboot boot due to bootonce-bootloader cmd in misc parition */
	BOOTMODE_FASTBOOT_BCB_CMD,
	/* Normal boot */
	BOOTMODE_NORMAL
}FbBootMode;

/* flash partitions are defined in terms of blocks
** (flash erase units)
*/
struct fastboot_ptentry {
	/* The logical name for this partition, null terminated */
	char name[20];
	/* The start wrt the nand part, must be multiple of nand block size */
	unsigned int start;
	/* The length of the partition, must be multiple of nand block size */
	unsigned int length;
	/* Controls the details of how operations are done on the partition
	   See the FASTBOOT_PTENTRY_FLAGS_*'s defined below */
	unsigned int flags;
	/* partition id: 0 - normal partition; 1 - boot partition */
	unsigned int partition_id;
	/* partition number in block device */
	unsigned int partition_index;
	/* partition file system type in string */
	char fstype[16];
	/* filesystem UUID as string, if exists */
#ifdef CONFIG_PARTITION_UUIDS
	char uuid[37];
#endif
};

struct fastboot_device_info {
	unsigned char type;
	unsigned char dev_id;
};

extern struct fastboot_device_info fastboot_devinfo;

#ifdef CONFIG_FLASH_MCUFIRMWARE_SUPPORT
extern struct fastboot_device_info fastboot_firmwareinfo;
#endif

extern struct fastboot_ptentry g_ptable[MAX_PTN];
extern unsigned int g_pcount;

/* Prepare the fastboot environments,
  * should be executed before "fastboot" cmd
  */
void fastboot_setup(void);


/* The Android-style flash handling */

/* tools to populate and query the partition table */
void fastboot_flash_add_ptn(struct fastboot_ptentry *ptn);
struct fastboot_ptentry *fastboot_flash_find_ptn(const char *name);
struct fastboot_ptentry *fastboot_flash_get_ptn(unsigned n);
unsigned int fastboot_flash_get_ptn_count(void);
void fastboot_flash_dump_ptn(void);

/* Make board into special boot mode  */
void fastboot_run_bootmode(void);

/*Setup board-relative fastboot environment */
void board_fastboot_setup(void);

/*return partition index according name*/
int fastboot_flash_find_index(const char *name);

bool fastboot_parts_is_slot(void);

bool fastboot_parts_is_raw(struct fastboot_ptentry *ptn);

/*get partition base name from gpt without "_a/_b"*/
int fastboot_parts_get_name(char (*partition_base_name)[16]);

void fastboot_load_partitions(void);

void fastboot_none_resp(char *response);

void fastboot_process_erase(const char *cmdbuf, char *response);

void fastboot_process_flash(const char *cmdbuf, void *download_buffer,
			      u32 download_bytes, char *response);

/*check whether bootloader is overlay with GPT table*/
bool bootloader_gpt_overlay(void);
/* Check whether the combo keys pressed
 * Return 1 if combo keys pressed for recovery boot
 * Return 0 if no combo keys pressed
 */
int is_recovery_key_pressing(void);

/* Reads |num_bytes| from offset |offset| from partition with name
 * |partition| (NUL-terminated UTF-8 string). If |offset| is
 * negative, its absolute value should be interpreted as the number
 * of bytes from the end of the partition.
 * It's basically copied from fsl_read_from_partition_multi() because
 * we may want to read partition when AVB is not enabled. */
int read_from_partition_multi(const char* partition,
		int64_t offset, size_t num_bytes,void* buffer, size_t* out_num_read);
#endif /* FB_FSL_H */