1 files changed, 154 insertions, 0 deletions
diff --git a/include/fastboot.h b/include/fastboot.h
new file mode 100644
index 0000000..1933b1d
--- /dev/null
+++ b/include/fastboot.h
@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2008 - 2009
+ * Windriver, <www.windriver.com>
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+ *
+ * Copyright 2014 Linaro, Ltd.
+ * Rob Herring <robh@kernel.org>
+ */
+#ifndef _FASTBOOT_H_
+#define _FASTBOOT_H_
+
+#define FASTBOOT_VERSION	"0.4"
+
+/* The 64 defined bytes plus \0 */
+#define FASTBOOT_COMMAND_LEN	(64 + 1)
+#define FASTBOOT_RESPONSE_LEN	(64 + 1)
+
+/**
+ * All known commands to fastboot
+ */
+enum {
+	FASTBOOT_COMMAND_GETVAR = 0,
+	FASTBOOT_COMMAND_DOWNLOAD,
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+	FASTBOOT_COMMAND_FLASH,
+	FASTBOOT_COMMAND_ERASE,
+#endif
+	FASTBOOT_COMMAND_BOOT,
+	FASTBOOT_COMMAND_CONTINUE,
+	FASTBOOT_COMMAND_REBOOT,
+	FASTBOOT_COMMAND_REBOOT_BOOTLOADER,
+	FASTBOOT_COMMAND_SET_ACTIVE,
+#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT)
+	FASTBOOT_COMMAND_OEM_FORMAT,
+#endif
+
+	FASTBOOT_COMMAND_COUNT
+};
+
+/**
+ * fastboot_response() - Writes a response of the form "$tag$reason".
+ *
+ * @tag: The first part of the response
+ * @response: Pointer to fastboot response buffer
+ * @format: printf style format string
+ */
+void fastboot_response(const char *tag, char *response,
+		       const char *format, ...)
+	__attribute__ ((format (__printf__, 3, 4)));
+
+/**
+ * fastboot_fail() - Write a FAIL response of the form "FAIL$reason".
+ *
+ * @reason: Pointer to returned reason string
+ * @response: Pointer to fastboot response buffer
+ */
+void fastboot_fail(const char *reason, char *response);
+
+/**
+ * fastboot_okay() - Write an OKAY response of the form "OKAY$reason".
+ *
+ * @reason: Pointer to returned reason string, or NULL to send a bare "OKAY"
+ * @response: Pointer to fastboot response buffer
+ */
+void fastboot_okay(const char *reason, char *response);
+
+/**
+ * fastboot_set_reboot_flag() - Set flag to indicate reboot-bootloader
+ *
+ * Set flag which indicates that we should reboot into the bootloader
+ * following the reboot that fastboot executes after this function.
+ *
+ * This function should be overridden in your board file with one
+ * which sets whatever flag your board specific Android bootloader flow
+ * requires in order to re-enter the bootloader.
+ */
+int fastboot_set_reboot_flag(void);
+
+/**
+ * fastboot_set_progress_callback() - set progress callback
+ *
+ * @progress: Pointer to progress callback
+ *
+ * Set a callback which is invoked periodically during long running operations
+ * (flash and erase). This can be used (for example) by the UDP transport to
+ * send INFO responses to keep the client alive whilst those commands are
+ * executing.
+ */
+void fastboot_set_progress_callback(void (*progress)(const char *msg));
+
+/*
+ * fastboot_init() - initialise new fastboot protocol session
+ *
+ * @buf_addr: Pointer to download buffer, or NULL for default
+ * @buf_size: Size of download buffer, or zero for default
+ */
+void fastboot_init(void *buf_addr, u32 buf_size);
+
+/**
+ * fastboot_boot() - Execute fastboot boot command
+ *
+ * If ${fastboot_bootcmd} is set, run that command to execute the boot
+ * process, if that returns, then exit the fastboot server and return
+ * control to the caller.
+ *
+ * Otherwise execute "bootm <fastboot_buf_addr>", if that fails, reset
+ * the board.
+ */
+void fastboot_boot(void);
+
+/**
+ * fastboot_handle_command() - Handle fastboot command
+ *
+ * @cmd_string: Pointer to command string
+ * @response: Pointer to fastboot response buffer
+ *
+ * Return: Executed command, or -1 if not recognized
+ */
+int fastboot_handle_command(char *cmd_string, char *response);
+
+/**
+ * fastboot_data_remaining() - return bytes remaining in current transfer
+ *
+ * Return: Number of bytes left in the current download
+ */
+u32 fastboot_data_remaining(void);
+
+/**
+ * fastboot_data_download() - Copy image data to fastboot_buf_addr.
+ *
+ * @fastboot_data: Pointer to received fastboot data
+ * @fastboot_data_len: Length of received fastboot data
+ * @response: Pointer to fastboot response buffer
+ *
+ * Copies image data from fastboot_data to fastboot_buf_addr. Writes to
+ * response. fastboot_bytes_received is updated to indicate the number
+ * of bytes that have been transferred.
+ */
+void fastboot_data_download(const void *fastboot_data,
+			    unsigned int fastboot_data_len, char *response);
+
+/**
+ * fastboot_data_complete() - Mark current transfer complete
+ *
+ * @response: Pointer to fastboot response buffer
+ *
+ * Set image_size and ${filesize} to the total size of the downloaded image.
+ */
+void fastboot_data_complete(char *response);
+
+#endif /* _FASTBOOT_H_ */