summaryrefslogtreecommitdiff
path: root/src/include/device/path.h
blob: 20d76d1bbee1b2fe86044b2655a12eabce8e7814 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#ifndef DEVICE_PATH_H
#define DEVICE_PATH_H

enum device_path_type {
	DEVICE_PATH_NONE = 0,
	DEVICE_PATH_ROOT,
	DEVICE_PATH_PCI,
	DEVICE_PATH_PNP,
	DEVICE_PATH_I2C,
};

struct pci_path
{
	unsigned bus;
	unsigned devfn;
};

struct pnp_path
{
	unsigned port;
	unsigned device;
};

struct i2c_path
{
	unsigned device;
};

struct device_path {
	enum device_path_type type;
	union {
		struct pci_path pci;
		struct pnp_path pnp;
		struct i2c_path i2c;
	} u;
};


#define DEVICE_PATH_MAX 30

extern int path_eq(struct device_path *path1, struct device_path *path2);

#endif /* DEVICE_PATH_H */