include/fs_loader.h

   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 #include <dm.h>
  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_platdata {
  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