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 42 extern int usbip_use_syslog; 43 extern int usbip_use_stderr; 44 extern 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 90 struct usbip_usb_interface { 91 uint8_t bInterfaceClass; 92 uint8_t bInterfaceSubClass; 93 uint8_t bInterfaceProtocol; 94 uint8_t padding; /* alignment */ 95 } __attribute__((packed)); 96 97 struct 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 118 119 void dump_usb_interface(struct usbip_usb_interface *); 120 void dump_usb_device(struct usbip_usb_device *); 121 int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev); 122 int read_attr_value(struct udev_device *dev, const char *name, 123 const char *format); 124 int read_usb_interface(struct usbip_usb_device *udev, int i, 125 struct usbip_usb_interface *uinf); 126 127 const char *usbip_speed_string(int num); 128 const char *usbip_status_string(int32_t status); 129 130 int usbip_names_init(char *); 131 void usbip_names_free(void); 132 void usbip_names_get_product(char *buff, size_t size, uint16_t vendor, 133 uint16_t product); 134 void 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