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 45 extern int usbip_use_syslog; 46 extern int usbip_use_stderr; 47 extern 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 93 struct usbip_usb_interface { 94 uint8_t bInterfaceClass; 95 uint8_t bInterfaceSubClass; 96 uint8_t bInterfaceProtocol; 97 uint8_t padding; /* alignment */ 98 } __attribute__((packed)); 99 100 struct 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 121 122 void dump_usb_interface(struct usbip_usb_interface *); 123 void dump_usb_device(struct usbip_usb_device *); 124 int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev); 125 int read_attr_value(struct udev_device *dev, const char *name, 126 const char *format); 127 int read_usb_interface(struct usbip_usb_device *udev, int i, 128 struct usbip_usb_interface *uinf); 129 130 const char *usbip_speed_string(int num); 131 const char *usbip_status_string(int32_t status); 132 133 int usbip_names_init(char *); 134 void usbip_names_free(void); 135 void usbip_names_get_product(char *buff, size_t size, uint16_t vendor, 136 uint16_t product); 137 void 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 */ 141