Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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#define VUDC_DEVICE_DESCR_FILE "dev_desc"
29
30/* kernel module names */
31#define USBIP_CORE_MOD_NAME "usbip-core"
32#define USBIP_HOST_DRV_NAME "usbip-host"
33#define USBIP_DEVICE_DRV_NAME "usbip-vudc"
34#define USBIP_VHCI_DRV_NAME "vhci_hcd"
35
36/* sysfs constants */
37#define SYSFS_MNT_PATH "/sys"
38#define SYSFS_BUS_NAME "bus"
39#define SYSFS_BUS_TYPE "usb"
40#define SYSFS_DRIVERS_NAME "drivers"
41
42#define SYSFS_PATH_MAX 256
43#define SYSFS_BUS_ID_SIZE 32
44
45extern int usbip_use_syslog;
46extern int usbip_use_stderr;
47extern int usbip_use_debug ;
48
49#define PROGNAME "usbip"
50
51#define pr_fmt(fmt) "%s: %s: " fmt "\n", PROGNAME
52#define dbg_fmt(fmt) pr_fmt("%s:%d:[%s] " fmt), "debug", \
53 __FILE__, __LINE__, __func__
54
55#define err(fmt, args...) \
56 do { \
57 if (usbip_use_syslog) { \
58 syslog(LOG_ERR, pr_fmt(fmt), "error", ##args); \
59 } \
60 if (usbip_use_stderr) { \
61 fprintf(stderr, pr_fmt(fmt), "error", ##args); \
62 } \
63 } while (0)
64
65#define info(fmt, args...) \
66 do { \
67 if (usbip_use_syslog) { \
68 syslog(LOG_INFO, pr_fmt(fmt), "info", ##args); \
69 } \
70 if (usbip_use_stderr) { \
71 fprintf(stderr, pr_fmt(fmt), "info", ##args); \
72 } \
73 } while (0)
74
75#define dbg(fmt, args...) \
76 do { \
77 if (usbip_use_debug) { \
78 if (usbip_use_syslog) { \
79 syslog(LOG_DEBUG, dbg_fmt(fmt), ##args); \
80 } \
81 if (usbip_use_stderr) { \
82 fprintf(stderr, dbg_fmt(fmt), ##args); \
83 } \
84 } \
85 } while (0)
86
87#define BUG() \
88 do { \
89 err("sorry, it's a bug!"); \
90 abort(); \
91 } while (0)
92
93struct usbip_usb_interface {
94 uint8_t bInterfaceClass;
95 uint8_t bInterfaceSubClass;
96 uint8_t bInterfaceProtocol;
97 uint8_t padding; /* alignment */
98} __attribute__((packed));
99
100struct usbip_usb_device {
101 char path[SYSFS_PATH_MAX];
102 char busid[SYSFS_BUS_ID_SIZE];
103
104 uint32_t busnum;
105 uint32_t devnum;
106 uint32_t speed;
107
108 uint16_t idVendor;
109 uint16_t idProduct;
110 uint16_t bcdDevice;
111
112 uint8_t bDeviceClass;
113 uint8_t bDeviceSubClass;
114 uint8_t bDeviceProtocol;
115 uint8_t bConfigurationValue;
116 uint8_t bNumConfigurations;
117 uint8_t bNumInterfaces;
118} __attribute__((packed));
119
120#define to_string(s) #s
121
122void dump_usb_interface(struct usbip_usb_interface *);
123void dump_usb_device(struct usbip_usb_device *);
124int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev);
125int read_attr_value(struct udev_device *dev, const char *name,
126 const char *format);
127int read_usb_interface(struct usbip_usb_device *udev, int i,
128 struct usbip_usb_interface *uinf);
129
130const char *usbip_speed_string(int num);
131const char *usbip_status_string(int32_t status);
132
133int usbip_names_init(char *);
134void usbip_names_free(void);
135void usbip_names_get_product(char *buff, size_t size, uint16_t vendor,
136 uint16_t product);
137void usbip_names_get_class(char *buff, size_t size, uint8_t class,
138 uint8_t subclass, uint8_t protocol);
139
140#endif /* __USBIP_COMMON_H */