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-rw-r--r--include/fs_loader.h79
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diff --git a/include/fs_loader.h b/include/fs_loader.h
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+/*
+ * Copyright (C) 2018 Intel Corporation <www.intel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef _FS_LOADER_H_
+#define _FS_LOADER_H_
+
+#include <dm.h>
+
+/**
+ * struct firmware - A place for storing firmware and its attribute data.
+ *
+ * This holds information about a firmware and its content.
+ *
+ * @size: Size of a file
+ * @data: Buffer for file
+ * @priv: Firmware loader private fields
+ */
+struct firmware {
+ size_t size;
+ const u8 *data;
+ void *priv;
+};
+
+/**
+ * struct phandle_part - A place for storing phandle of node and its partition
+ *
+ * This holds information about a phandle of the block device, and its
+ * partition where the firmware would be loaded from.
+ *
+ * @phandle: Phandle of storage device node
+ * @partition: Partition of block device
+ */
+struct phandle_part {
+ u32 phandle;
+ u32 partition;
+};
+
+/**
+ * struct phandle_part - A place for storing all supported storage devices
+ *
+ * This holds information about all supported storage devices for driver use.
+ *
+ * @phandlepart: Attribute data for block device.
+ * @mtdpart: MTD partition for ubi partition.
+ * @ubivol: UBI volume-name for ubifsmount.
+ */
+struct device_platdata {
+ struct phandle_part phandlepart;
+ char *mtdpart;
+ char *ubivol;
+};
+
+/**
+ * release_firmware - Release the resource associated with a firmware image
+ * @firmware: Firmware resource to release
+ */
+void release_firmware(struct firmware *firmware);
+
+/**
+ * request_firmware_into_buf - Load firmware into a previously allocated buffer.
+ * @plat: Platform data such as storage and partition firmware loading from.
+ * @name: Name of firmware file.
+ * @buf: Address of buffer to load firmware into.
+ * @size: Size of buffer.
+ * @offset: Offset of a file for start reading into buffer.
+ * @firmwarep: Pointer to firmware image.
+ *
+ * The firmware is loaded directly into the buffer pointed to by @buf and
+ * the @firmwarep data member is pointed at @buf.
+ *
+ * Return: Size of total read, negative value when error.
+ */
+int request_firmware_into_buf(struct device_platdata *plat,
+ const char *name,
+ void *buf, size_t size, u32 offset,
+ struct firmware **firmwarep);
+#endif