xref: /illumos-kvm-cmd/device_tree.h (revision 68396ea9)
1 /*
2  * Header with function prototypes to help device tree manipulation using
3  * libfdt. It also provides functions to read entries from device tree proc
4  * interface.
5  *
6  * Copyright 2008 IBM Corporation.
7  * Authors: Jerone Young <jyoung5@us.ibm.com>
8  *          Hollis Blanchard <hollisb@us.ibm.com>
9  *
10  * This work is licensed under the GNU GPL license version 2 or later.
11  *
12  */
13 
14 #ifndef __DEVICE_TREE_H__
15 #define __DEVICE_TREE_H__
16 
17 void *load_device_tree(const char *filename_path, int *sizep);
18 
19 int qemu_devtree_setprop(void *fdt, const char *node_path,
20                          const char *property, uint32_t *val_array, int size);
21 int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
22                               const char *property, uint32_t val);
23 int qemu_devtree_setprop_string(void *fdt, const char *node_path,
24                                 const char *property, const char *string);
25 
26 #endif /* __DEVICE_TREE_H__ */
27