1/*
2 * Copyright (C) 2005-2007 Takahiro Hirofuchi
3 */
4
5#ifndef __USBIP_COMMON_H
6#define __USBIP_COMMON_H
7
8#include <libudev.h>
9
10#include <stdint.h>
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14
15#include <syslog.h>
16#include <unistd.h>
17#include <linux/usb/ch9.h>
18#include <linux/usbip.h>
19
20#ifndef USBIDS_FILE
21#define USBIDS_FILE "/usr/share/hwdata/usb.ids"
22#endif
23
24#ifndef VHCI_STATE_PATH
25#define VHCI_STATE_PATH "/var/run/vhci_hcd"
26#endif
27
28/* kernel module names */
29#define USBIP_CORE_MOD_NAME	"usbip-core"
30#define USBIP_HOST_DRV_NAME	"usbip-host"
31#define USBIP_VHCI_DRV_NAME	"vhci_hcd"
32
33/* sysfs constants */
34#define SYSFS_MNT_PATH         "/sys"
35#define SYSFS_BUS_NAME         "bus"
36#define SYSFS_BUS_TYPE         "usb"
37#define SYSFS_DRIVERS_NAME     "drivers"
38
39#define SYSFS_PATH_MAX		256
40#define SYSFS_BUS_ID_SIZE	32
41
42extern int usbip_use_syslog;
43extern int usbip_use_stderr;
44extern int usbip_use_debug ;
45
46#define PROGNAME "usbip"
47
48#define pr_fmt(fmt)	"%s: %s: " fmt "\n", PROGNAME
49#define dbg_fmt(fmt)	pr_fmt("%s:%d:[%s] " fmt), "debug",	\
50		        __FILE__, __LINE__, __func__
51
52#define err(fmt, args...)						\
53	do {								\
54		if (usbip_use_syslog) {					\
55			syslog(LOG_ERR, pr_fmt(fmt), "error", ##args);	\
56		}							\
57		if (usbip_use_stderr) {					\
58			fprintf(stderr, pr_fmt(fmt), "error", ##args);	\
59		}							\
60	} while (0)
61
62#define info(fmt, args...)						\
63	do {								\
64		if (usbip_use_syslog) {					\
65			syslog(LOG_INFO, pr_fmt(fmt), "info", ##args);	\
66		}							\
67		if (usbip_use_stderr) {					\
68			fprintf(stderr, pr_fmt(fmt), "info", ##args);	\
69		}							\
70	} while (0)
71
72#define dbg(fmt, args...)						\
73	do {								\
74	if (usbip_use_debug) {						\
75		if (usbip_use_syslog) {					\
76			syslog(LOG_DEBUG, dbg_fmt(fmt), ##args);	\
77		}							\
78		if (usbip_use_stderr) {					\
79			fprintf(stderr, dbg_fmt(fmt), ##args);		\
80		}							\
81	}								\
82	} while (0)
83
84#define BUG()						\
85	do {						\
86		err("sorry, it's a bug!");		\
87		abort();				\
88	} while (0)
89
90struct usbip_usb_interface {
91	uint8_t bInterfaceClass;
92	uint8_t bInterfaceSubClass;
93	uint8_t bInterfaceProtocol;
94	uint8_t padding;	/* alignment */
95} __attribute__((packed));
96
97struct usbip_usb_device {
98	char path[SYSFS_PATH_MAX];
99	char busid[SYSFS_BUS_ID_SIZE];
100
101	uint32_t busnum;
102	uint32_t devnum;
103	uint32_t speed;
104
105	uint16_t idVendor;
106	uint16_t idProduct;
107	uint16_t bcdDevice;
108
109	uint8_t bDeviceClass;
110	uint8_t bDeviceSubClass;
111	uint8_t bDeviceProtocol;
112	uint8_t bConfigurationValue;
113	uint8_t bNumConfigurations;
114	uint8_t bNumInterfaces;
115} __attribute__((packed));
116
117#define to_string(s)	#s
118
119void dump_usb_interface(struct usbip_usb_interface *);
120void dump_usb_device(struct usbip_usb_device *);
121int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev);
122int read_attr_value(struct udev_device *dev, const char *name,
123		    const char *format);
124int read_usb_interface(struct usbip_usb_device *udev, int i,
125		       struct usbip_usb_interface *uinf);
126
127const char *usbip_speed_string(int num);
128const char *usbip_status_string(int32_t status);
129
130int usbip_names_init(char *);
131void usbip_names_free(void);
132void usbip_names_get_product(char *buff, size_t size, uint16_t vendor,
133			     uint16_t product);
134void usbip_names_get_class(char *buff, size_t size, uint8_t class,
135			   uint8_t subclass, uint8_t protocol);
136
137#endif /* __USBIP_COMMON_H */
138