Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2005-2007 Takahiro Hirofuchi
4 */
5
6#ifndef __USBIP_COMMON_H
7#define __USBIP_COMMON_H
8
9#include <libudev.h>
10
11#include <stdint.h>
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15
16#include <syslog.h>
17#include <unistd.h>
18#include <linux/usb/ch9.h>
19#include <linux/usbip.h>
20
21#ifndef USBIDS_FILE
22#define USBIDS_FILE "/usr/share/hwdata/usb.ids"
23#endif
24
25#ifndef VHCI_STATE_PATH
26#define VHCI_STATE_PATH "/var/run/vhci_hcd"
27#endif
28
29#define VUDC_DEVICE_DESCR_FILE "dev_desc"
30
31/* kernel module names */
32#define USBIP_CORE_MOD_NAME "usbip-core"
33#define USBIP_HOST_DRV_NAME "usbip-host"
34#define USBIP_DEVICE_DRV_NAME "usbip-vudc"
35#define USBIP_VHCI_DRV_NAME "vhci_hcd"
36
37/* sysfs constants */
38#define SYSFS_MNT_PATH "/sys"
39#define SYSFS_BUS_NAME "bus"
40#define SYSFS_BUS_TYPE "usb"
41#define SYSFS_DRIVERS_NAME "drivers"
42
43#define SYSFS_PATH_MAX 256
44#define SYSFS_BUS_ID_SIZE 32
45
46extern int usbip_use_syslog;
47extern int usbip_use_stderr;
48extern int usbip_use_debug ;
49
50#define PROGNAME "usbip"
51
52#define pr_fmt(fmt) "%s: %s: " fmt "\n", PROGNAME
53#define dbg_fmt(fmt) pr_fmt("%s:%d:[%s] " fmt), "debug", \
54 __FILE__, __LINE__, __func__
55
56#define err(fmt, args...) \
57 do { \
58 if (usbip_use_syslog) { \
59 syslog(LOG_ERR, pr_fmt(fmt), "error", ##args); \
60 } \
61 if (usbip_use_stderr) { \
62 fprintf(stderr, pr_fmt(fmt), "error", ##args); \
63 } \
64 } while (0)
65
66#define info(fmt, args...) \
67 do { \
68 if (usbip_use_syslog) { \
69 syslog(LOG_INFO, pr_fmt(fmt), "info", ##args); \
70 } \
71 if (usbip_use_stderr) { \
72 fprintf(stderr, pr_fmt(fmt), "info", ##args); \
73 } \
74 } while (0)
75
76#define dbg(fmt, args...) \
77 do { \
78 if (usbip_use_debug) { \
79 if (usbip_use_syslog) { \
80 syslog(LOG_DEBUG, dbg_fmt(fmt), ##args); \
81 } \
82 if (usbip_use_stderr) { \
83 fprintf(stderr, dbg_fmt(fmt), ##args); \
84 } \
85 } \
86 } while (0)
87
88#define BUG() \
89 do { \
90 err("sorry, it's a bug!"); \
91 abort(); \
92 } while (0)
93
94struct usbip_usb_interface {
95 uint8_t bInterfaceClass;
96 uint8_t bInterfaceSubClass;
97 uint8_t bInterfaceProtocol;
98 uint8_t padding; /* alignment */
99} __attribute__((packed));
100
101struct usbip_usb_device {
102 char path[SYSFS_PATH_MAX];
103 char busid[SYSFS_BUS_ID_SIZE];
104
105 uint32_t busnum;
106 uint32_t devnum;
107 uint32_t speed;
108
109 uint16_t idVendor;
110 uint16_t idProduct;
111 uint16_t bcdDevice;
112
113 uint8_t bDeviceClass;
114 uint8_t bDeviceSubClass;
115 uint8_t bDeviceProtocol;
116 uint8_t bConfigurationValue;
117 uint8_t bNumConfigurations;
118 uint8_t bNumInterfaces;
119} __attribute__((packed));
120
121#define to_string(s) #s
122
123void dump_usb_interface(struct usbip_usb_interface *);
124void dump_usb_device(struct usbip_usb_device *);
125int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev);
126int read_attr_value(struct udev_device *dev, const char *name,
127 const char *format);
128int read_usb_interface(struct usbip_usb_device *udev, int i,
129 struct usbip_usb_interface *uinf);
130
131const char *usbip_speed_string(int num);
132const char *usbip_status_string(int32_t status);
133
134int usbip_names_init(char *);
135void usbip_names_free(void);
136void usbip_names_get_product(char *buff, size_t size, uint16_t vendor,
137 uint16_t product);
138void usbip_names_get_class(char *buff, size_t size, uint8_t class,
139 uint8_t subclass, uint8_t protocol);
140
141#endif /* __USBIP_COMMON_H */