1 /*
2  * Copyright (C) 2018 Intel Corporation <www.intel.com>
3  *
4  * SPDX-License-Identifier:    GPL-2.0
5  */
6 #ifndef _FS_LOADER_H_
7 #define _FS_LOADER_H_
8 
9 struct udevice;
10 
11 /**
12  * struct phandle_part - A place for storing phandle of node and its partition
13  *
14  * This holds information about a phandle of the block device, and its
15  * partition where the firmware would be loaded from.
16  *
17  * @phandle: Phandle of storage device node
18  * @partition: Partition of block device
19  */
20 struct phandle_part {
21 	u32 phandle;
22 	u32 partition;
23 };
24 
25 /**
26  * struct phandle_part - A place for storing all supported storage devices
27  *
28  * This holds information about all supported storage devices for driver use.
29  *
30  * @phandlepart: Attribute data for block device.
31  * @mtdpart: MTD partition for ubi partition.
32  * @ubivol: UBI volume-name for ubifsmount.
33  */
34 struct device_plat {
35 	struct phandle_part phandlepart;
36 	char *mtdpart;
37 	char *ubivol;
38 };
39 
40 /**
41  * request_firmware_into_buf - Load firmware into a previously allocated buffer.
42  * @dev: An instance of a driver.
43  * @name: Name of firmware file.
44  * @buf: Address of buffer to load firmware into.
45  * @size: Size of buffer.
46  * @offset: Offset of a file for start reading into buffer.
47  *
48  * The firmware is loaded directly into the buffer pointed to by @buf.
49  *
50  * Return: Size of total read, negative value when error.
51  */
52 int request_firmware_into_buf(struct udevice *dev,
53 			      const char *name,
54 			      void *buf, size_t size, u32 offset);
55 #endif
56