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1 | bb36d470 | bellard | /*
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2 | bb36d470 | bellard | * Linux host USB redirector
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3 | bb36d470 | bellard | *
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4 | bb36d470 | bellard | * Copyright (c) 2005 Fabrice Bellard
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5 | bb36d470 | bellard | *
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6 | bb36d470 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | bb36d470 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | bb36d470 | bellard | * in the Software without restriction, including without limitation the rights
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9 | bb36d470 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | bb36d470 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | bb36d470 | bellard | * furnished to do so, subject to the following conditions:
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12 | bb36d470 | bellard | *
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13 | bb36d470 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | bb36d470 | bellard | * all copies or substantial portions of the Software.
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15 | bb36d470 | bellard | *
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16 | bb36d470 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | bb36d470 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | bb36d470 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | bb36d470 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | bb36d470 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | bb36d470 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | bb36d470 | bellard | * THE SOFTWARE.
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23 | bb36d470 | bellard | */
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24 | bb36d470 | bellard | #include "vl.h" |
25 | bb36d470 | bellard | |
26 | bb36d470 | bellard | #if defined(__linux__)
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27 | bb36d470 | bellard | #include <dirent.h> |
28 | bb36d470 | bellard | #include <sys/ioctl.h> |
29 | 3b2ccc57 | bellard | #include <linux/compiler.h> |
30 | bb36d470 | bellard | #include <linux/usbdevice_fs.h> |
31 | bb36d470 | bellard | #include <linux/version.h> |
32 | bb36d470 | bellard | |
33 | bb36d470 | bellard | /* We redefine it to avoid version problems */
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34 | bb36d470 | bellard | struct usb_ctrltransfer {
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35 | bb36d470 | bellard | uint8_t bRequestType; |
36 | bb36d470 | bellard | uint8_t bRequest; |
37 | bb36d470 | bellard | uint16_t wValue; |
38 | bb36d470 | bellard | uint16_t wIndex; |
39 | bb36d470 | bellard | uint16_t wLength; |
40 | bb36d470 | bellard | uint32_t timeout; |
41 | bb36d470 | bellard | void *data;
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42 | bb36d470 | bellard | }; |
43 | bb36d470 | bellard | |
44 | a594cfbf | bellard | typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id, |
45 | a594cfbf | bellard | int vendor_id, int product_id, |
46 | a594cfbf | bellard | const char *product_name, int speed); |
47 | a594cfbf | bellard | static int usb_host_find_device(int *pbus_num, int *paddr, |
48 | 1f6e24e7 | bellard | char *product_name, int product_name_size, |
49 | a594cfbf | bellard | const char *devname); |
50 | bb36d470 | bellard | |
51 | a594cfbf | bellard | //#define DEBUG
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52 | bb36d470 | bellard | |
53 | bb36d470 | bellard | #define USBDEVFS_PATH "/proc/bus/usb" |
54 | 1f6e24e7 | bellard | #define PRODUCT_NAME_SZ 32 |
55 | bb36d470 | bellard | |
56 | bb36d470 | bellard | typedef struct USBHostDevice { |
57 | bb36d470 | bellard | USBDevice dev; |
58 | bb36d470 | bellard | int fd;
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59 | bb36d470 | bellard | } USBHostDevice; |
60 | bb36d470 | bellard | |
61 | 059809e4 | bellard | static void usb_host_handle_reset(USBDevice *dev) |
62 | bb36d470 | bellard | { |
63 | bb36d470 | bellard | #if 0
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64 | bb36d470 | bellard | USBHostDevice *s = (USBHostDevice *)dev;
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65 | bb36d470 | bellard | /* USBDEVFS_RESET, but not the first time as it has already be
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66 | bb36d470 | bellard | done by the host OS */
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67 | bb36d470 | bellard | ioctl(s->fd, USBDEVFS_RESET);
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68 | bb36d470 | bellard | #endif
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69 | bb36d470 | bellard | } |
70 | bb36d470 | bellard | |
71 | 059809e4 | bellard | static void usb_host_handle_destroy(USBDevice *dev) |
72 | 059809e4 | bellard | { |
73 | 059809e4 | bellard | USBHostDevice *s = (USBHostDevice *)dev; |
74 | 059809e4 | bellard | |
75 | 059809e4 | bellard | if (s->fd >= 0) |
76 | 059809e4 | bellard | close(s->fd); |
77 | 059809e4 | bellard | qemu_free(s); |
78 | 059809e4 | bellard | } |
79 | 059809e4 | bellard | |
80 | bb36d470 | bellard | static int usb_host_handle_control(USBDevice *dev, |
81 | bb36d470 | bellard | int request,
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82 | bb36d470 | bellard | int value,
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83 | bb36d470 | bellard | int index,
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84 | bb36d470 | bellard | int length,
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85 | bb36d470 | bellard | uint8_t *data) |
86 | bb36d470 | bellard | { |
87 | bb36d470 | bellard | USBHostDevice *s = (USBHostDevice *)dev; |
88 | bb36d470 | bellard | struct usb_ctrltransfer ct;
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89 | bb36d470 | bellard | int ret;
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90 | bb36d470 | bellard | |
91 | bb36d470 | bellard | if (request == (DeviceOutRequest | USB_REQ_SET_ADDRESS)) {
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92 | bb36d470 | bellard | /* specific SET_ADDRESS support */
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93 | bb36d470 | bellard | dev->addr = value; |
94 | bb36d470 | bellard | return 0; |
95 | bb36d470 | bellard | } else {
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96 | bb36d470 | bellard | ct.bRequestType = request >> 8;
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97 | bb36d470 | bellard | ct.bRequest = request; |
98 | bb36d470 | bellard | ct.wValue = value; |
99 | bb36d470 | bellard | ct.wIndex = index; |
100 | bb36d470 | bellard | ct.wLength = length; |
101 | bb36d470 | bellard | ct.timeout = 50;
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102 | bb36d470 | bellard | ct.data = data; |
103 | bb36d470 | bellard | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); |
104 | bb36d470 | bellard | if (ret < 0) { |
105 | bb36d470 | bellard | switch(errno) {
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106 | bb36d470 | bellard | case ETIMEDOUT:
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107 | bb36d470 | bellard | return USB_RET_NAK;
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108 | bb36d470 | bellard | default:
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109 | bb36d470 | bellard | return USB_RET_STALL;
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110 | bb36d470 | bellard | } |
111 | bb36d470 | bellard | } else {
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112 | bb36d470 | bellard | return ret;
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113 | bb36d470 | bellard | } |
114 | bb36d470 | bellard | } |
115 | bb36d470 | bellard | } |
116 | bb36d470 | bellard | |
117 | 4d611c9a | pbrook | static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
118 | bb36d470 | bellard | { |
119 | bb36d470 | bellard | USBHostDevice *s = (USBHostDevice *)dev; |
120 | bb36d470 | bellard | struct usbdevfs_bulktransfer bt;
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121 | bb36d470 | bellard | int ret;
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122 | 4d611c9a | pbrook | uint8_t devep = p->devep; |
123 | bb36d470 | bellard | |
124 | bb36d470 | bellard | /* XXX: optimize and handle all data types by looking at the
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125 | bb36d470 | bellard | config descriptor */
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126 | 4d611c9a | pbrook | if (p->pid == USB_TOKEN_IN)
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127 | bb36d470 | bellard | devep |= 0x80;
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128 | bb36d470 | bellard | bt.ep = devep; |
129 | 4d611c9a | pbrook | bt.len = p->len; |
130 | bb36d470 | bellard | bt.timeout = 50;
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131 | 4d611c9a | pbrook | bt.data = p->data; |
132 | bb36d470 | bellard | ret = ioctl(s->fd, USBDEVFS_BULK, &bt); |
133 | bb36d470 | bellard | if (ret < 0) { |
134 | bb36d470 | bellard | switch(errno) {
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135 | bb36d470 | bellard | case ETIMEDOUT:
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136 | bb36d470 | bellard | return USB_RET_NAK;
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137 | bb36d470 | bellard | case EPIPE:
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138 | bb36d470 | bellard | default:
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139 | bb36d470 | bellard | #ifdef DEBUG
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140 | bb36d470 | bellard | printf("handle_data: errno=%d\n", errno);
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141 | bb36d470 | bellard | #endif
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142 | bb36d470 | bellard | return USB_RET_STALL;
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143 | bb36d470 | bellard | } |
144 | bb36d470 | bellard | } else {
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145 | bb36d470 | bellard | return ret;
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146 | bb36d470 | bellard | } |
147 | bb36d470 | bellard | } |
148 | bb36d470 | bellard | |
149 | bb36d470 | bellard | /* XXX: exclude high speed devices or implement EHCI */
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150 | a594cfbf | bellard | USBDevice *usb_host_device_open(const char *devname) |
151 | bb36d470 | bellard | { |
152 | bb36d470 | bellard | int fd, interface, ret, i;
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153 | bb36d470 | bellard | USBHostDevice *dev; |
154 | bb36d470 | bellard | struct usbdevfs_connectinfo ci;
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155 | bb36d470 | bellard | uint8_t descr[1024];
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156 | a594cfbf | bellard | char buf[1024]; |
157 | bb36d470 | bellard | int descr_len, dev_descr_len, config_descr_len, nb_interfaces;
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158 | a594cfbf | bellard | int bus_num, addr;
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159 | 1f6e24e7 | bellard | char product_name[PRODUCT_NAME_SZ];
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160 | bb36d470 | bellard | |
161 | 1f6e24e7 | bellard | if (usb_host_find_device(&bus_num, &addr,
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162 | 1f6e24e7 | bellard | product_name, sizeof(product_name),
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163 | 1f6e24e7 | bellard | devname) < 0)
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164 | a594cfbf | bellard | return NULL; |
165 | a594cfbf | bellard | |
166 | a594cfbf | bellard | snprintf(buf, sizeof(buf), USBDEVFS_PATH "/%03d/%03d", |
167 | a594cfbf | bellard | bus_num, addr); |
168 | a594cfbf | bellard | fd = open(buf, O_RDWR); |
169 | bb36d470 | bellard | if (fd < 0) { |
170 | a594cfbf | bellard | perror(buf); |
171 | a594cfbf | bellard | return NULL; |
172 | bb36d470 | bellard | } |
173 | bb36d470 | bellard | |
174 | bb36d470 | bellard | /* read the config description */
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175 | bb36d470 | bellard | descr_len = read(fd, descr, sizeof(descr));
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176 | bb36d470 | bellard | if (descr_len <= 0) { |
177 | bb36d470 | bellard | perror("read descr");
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178 | bb36d470 | bellard | goto fail;
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179 | bb36d470 | bellard | } |
180 | bb36d470 | bellard | |
181 | bb36d470 | bellard | i = 0;
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182 | bb36d470 | bellard | dev_descr_len = descr[0];
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183 | bb36d470 | bellard | if (dev_descr_len > descr_len)
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184 | bb36d470 | bellard | goto fail;
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185 | bb36d470 | bellard | i += dev_descr_len; |
186 | bb36d470 | bellard | config_descr_len = descr[i]; |
187 | bb36d470 | bellard | if (i + config_descr_len > descr_len)
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188 | bb36d470 | bellard | goto fail;
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189 | bb36d470 | bellard | nb_interfaces = descr[i + 4];
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190 | bb36d470 | bellard | if (nb_interfaces != 1) { |
191 | bb36d470 | bellard | /* NOTE: currently we grab only one interface */
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192 | a594cfbf | bellard | fprintf(stderr, "usb_host: only one interface supported\n");
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193 | a594cfbf | bellard | goto fail;
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194 | a594cfbf | bellard | } |
195 | a594cfbf | bellard | |
196 | a594cfbf | bellard | #ifdef USBDEVFS_DISCONNECT
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197 | a594cfbf | bellard | /* earlier Linux 2.4 do not support that */
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198 | 868bfe2b | bellard | { |
199 | 868bfe2b | bellard | struct usbdevfs_ioctl ctrl;
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200 | 868bfe2b | bellard | ctrl.ioctl_code = USBDEVFS_DISCONNECT; |
201 | 868bfe2b | bellard | ctrl.ifno = 0;
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202 | 868bfe2b | bellard | ret = ioctl(fd, USBDEVFS_IOCTL, &ctrl); |
203 | 868bfe2b | bellard | if (ret < 0 && errno != ENODATA) { |
204 | 868bfe2b | bellard | perror("USBDEVFS_DISCONNECT");
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205 | 868bfe2b | bellard | goto fail;
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206 | 868bfe2b | bellard | } |
207 | bb36d470 | bellard | } |
208 | a594cfbf | bellard | #endif
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209 | a594cfbf | bellard | |
210 | bb36d470 | bellard | /* XXX: only grab if all interfaces are free */
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211 | bb36d470 | bellard | interface = 0;
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212 | bb36d470 | bellard | ret = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &interface); |
213 | bb36d470 | bellard | if (ret < 0) { |
214 | bb36d470 | bellard | if (errno == EBUSY) {
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215 | a594cfbf | bellard | fprintf(stderr, "usb_host: device already grabbed\n");
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216 | bb36d470 | bellard | } else {
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217 | bb36d470 | bellard | perror("USBDEVFS_CLAIMINTERFACE");
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218 | bb36d470 | bellard | } |
219 | bb36d470 | bellard | fail:
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220 | bb36d470 | bellard | close(fd); |
221 | a594cfbf | bellard | return NULL; |
222 | bb36d470 | bellard | } |
223 | bb36d470 | bellard | |
224 | bb36d470 | bellard | ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); |
225 | bb36d470 | bellard | if (ret < 0) { |
226 | bb36d470 | bellard | perror("USBDEVFS_CONNECTINFO");
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227 | bb36d470 | bellard | goto fail;
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228 | bb36d470 | bellard | } |
229 | bb36d470 | bellard | |
230 | bb36d470 | bellard | #ifdef DEBUG
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231 | a594cfbf | bellard | printf("host USB device %d.%d grabbed\n", bus_num, addr);
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232 | bb36d470 | bellard | #endif
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233 | bb36d470 | bellard | |
234 | bb36d470 | bellard | dev = qemu_mallocz(sizeof(USBHostDevice));
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235 | bb36d470 | bellard | if (!dev)
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236 | bb36d470 | bellard | goto fail;
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237 | bb36d470 | bellard | dev->fd = fd; |
238 | bb36d470 | bellard | if (ci.slow)
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239 | bb36d470 | bellard | dev->dev.speed = USB_SPEED_LOW; |
240 | bb36d470 | bellard | else
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241 | bb36d470 | bellard | dev->dev.speed = USB_SPEED_HIGH; |
242 | a594cfbf | bellard | dev->dev.handle_packet = usb_generic_handle_packet; |
243 | bb36d470 | bellard | |
244 | bb36d470 | bellard | dev->dev.handle_reset = usb_host_handle_reset; |
245 | bb36d470 | bellard | dev->dev.handle_control = usb_host_handle_control; |
246 | bb36d470 | bellard | dev->dev.handle_data = usb_host_handle_data; |
247 | 059809e4 | bellard | dev->dev.handle_destroy = usb_host_handle_destroy; |
248 | 1f6e24e7 | bellard | |
249 | 1f6e24e7 | bellard | if (product_name[0] == '\0') |
250 | 1f6e24e7 | bellard | snprintf(dev->dev.devname, sizeof(dev->dev.devname),
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251 | 1f6e24e7 | bellard | "host:%s", devname);
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252 | 1f6e24e7 | bellard | else
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253 | 1f6e24e7 | bellard | pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
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254 | 1f6e24e7 | bellard | product_name); |
255 | 1f6e24e7 | bellard | |
256 | a594cfbf | bellard | return (USBDevice *)dev;
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257 | a594cfbf | bellard | } |
258 | bb36d470 | bellard | |
259 | a594cfbf | bellard | static int get_tag_value(char *buf, int buf_size, |
260 | a594cfbf | bellard | const char *str, const char *tag, |
261 | a594cfbf | bellard | const char *stopchars) |
262 | a594cfbf | bellard | { |
263 | a594cfbf | bellard | const char *p; |
264 | a594cfbf | bellard | char *q;
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265 | a594cfbf | bellard | p = strstr(str, tag); |
266 | a594cfbf | bellard | if (!p)
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267 | a594cfbf | bellard | return -1; |
268 | a594cfbf | bellard | p += strlen(tag); |
269 | a594cfbf | bellard | while (isspace(*p))
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270 | a594cfbf | bellard | p++; |
271 | a594cfbf | bellard | q = buf; |
272 | a594cfbf | bellard | while (*p != '\0' && !strchr(stopchars, *p)) { |
273 | a594cfbf | bellard | if ((q - buf) < (buf_size - 1)) |
274 | a594cfbf | bellard | *q++ = *p; |
275 | a594cfbf | bellard | p++; |
276 | a594cfbf | bellard | } |
277 | a594cfbf | bellard | *q = '\0';
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278 | a594cfbf | bellard | return q - buf;
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279 | bb36d470 | bellard | } |
280 | bb36d470 | bellard | |
281 | a594cfbf | bellard | static int usb_host_scan(void *opaque, USBScanFunc *func) |
282 | bb36d470 | bellard | { |
283 | a594cfbf | bellard | FILE *f; |
284 | a594cfbf | bellard | char line[1024]; |
285 | bb36d470 | bellard | char buf[1024]; |
286 | a594cfbf | bellard | int bus_num, addr, speed, device_count, class_id, product_id, vendor_id;
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287 | a594cfbf | bellard | int ret;
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288 | a594cfbf | bellard | char product_name[512]; |
289 | a594cfbf | bellard | |
290 | a594cfbf | bellard | f = fopen(USBDEVFS_PATH "/devices", "r"); |
291 | a594cfbf | bellard | if (!f) {
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292 | a594cfbf | bellard | term_printf("Could not open %s\n", USBDEVFS_PATH "/devices"); |
293 | a594cfbf | bellard | return 0; |
294 | a594cfbf | bellard | } |
295 | a594cfbf | bellard | device_count = 0;
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296 | a594cfbf | bellard | bus_num = addr = speed = class_id = product_id = vendor_id = 0;
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297 | a594cfbf | bellard | ret = 0;
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298 | bb36d470 | bellard | for(;;) {
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299 | a594cfbf | bellard | if (fgets(line, sizeof(line), f) == NULL) |
300 | bb36d470 | bellard | break;
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301 | a594cfbf | bellard | if (strlen(line) > 0) |
302 | a594cfbf | bellard | line[strlen(line) - 1] = '\0'; |
303 | a594cfbf | bellard | if (line[0] == 'T' && line[1] == ':') { |
304 | 38ca0f6d | pbrook | if (device_count && (vendor_id || product_id)) {
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305 | 38ca0f6d | pbrook | /* New device. Add the previously discovered device. */
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306 | a594cfbf | bellard | ret = func(opaque, bus_num, addr, class_id, vendor_id, |
307 | a594cfbf | bellard | product_id, product_name, speed); |
308 | a594cfbf | bellard | if (ret)
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309 | a594cfbf | bellard | goto the_end;
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310 | a594cfbf | bellard | } |
311 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) |
312 | a594cfbf | bellard | goto fail;
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313 | a594cfbf | bellard | bus_num = atoi(buf); |
314 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) |
315 | a594cfbf | bellard | goto fail;
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316 | a594cfbf | bellard | addr = atoi(buf); |
317 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) |
318 | a594cfbf | bellard | goto fail;
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319 | a594cfbf | bellard | if (!strcmp(buf, "480")) |
320 | a594cfbf | bellard | speed = USB_SPEED_HIGH; |
321 | a594cfbf | bellard | else if (!strcmp(buf, "1.5")) |
322 | a594cfbf | bellard | speed = USB_SPEED_LOW; |
323 | a594cfbf | bellard | else
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324 | a594cfbf | bellard | speed = USB_SPEED_FULL; |
325 | a594cfbf | bellard | product_name[0] = '\0'; |
326 | a594cfbf | bellard | class_id = 0xff;
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327 | a594cfbf | bellard | device_count++; |
328 | a594cfbf | bellard | product_id = 0;
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329 | a594cfbf | bellard | vendor_id = 0;
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330 | a594cfbf | bellard | } else if (line[0] == 'P' && line[1] == ':') { |
331 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) |
332 | a594cfbf | bellard | goto fail;
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333 | a594cfbf | bellard | vendor_id = strtoul(buf, NULL, 16); |
334 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) |
335 | a594cfbf | bellard | goto fail;
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336 | a594cfbf | bellard | product_id = strtoul(buf, NULL, 16); |
337 | a594cfbf | bellard | } else if (line[0] == 'S' && line[1] == ':') { |
338 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) |
339 | a594cfbf | bellard | goto fail;
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340 | a594cfbf | bellard | pstrcpy(product_name, sizeof(product_name), buf);
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341 | a594cfbf | bellard | } else if (line[0] == 'D' && line[1] == ':') { |
342 | a594cfbf | bellard | if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) |
343 | a594cfbf | bellard | goto fail;
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344 | a594cfbf | bellard | class_id = strtoul(buf, NULL, 16); |
345 | bb36d470 | bellard | } |
346 | a594cfbf | bellard | fail: ;
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347 | a594cfbf | bellard | } |
348 | 38ca0f6d | pbrook | if (device_count && (vendor_id || product_id)) {
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349 | 38ca0f6d | pbrook | /* Add the last device. */
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350 | a594cfbf | bellard | ret = func(opaque, bus_num, addr, class_id, vendor_id, |
351 | a594cfbf | bellard | product_id, product_name, speed); |
352 | bb36d470 | bellard | } |
353 | a594cfbf | bellard | the_end:
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354 | a594cfbf | bellard | fclose(f); |
355 | a594cfbf | bellard | return ret;
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356 | bb36d470 | bellard | } |
357 | bb36d470 | bellard | |
358 | a594cfbf | bellard | typedef struct FindDeviceState { |
359 | a594cfbf | bellard | int vendor_id;
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360 | a594cfbf | bellard | int product_id;
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361 | a594cfbf | bellard | int bus_num;
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362 | a594cfbf | bellard | int addr;
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363 | 1f6e24e7 | bellard | char product_name[PRODUCT_NAME_SZ];
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364 | a594cfbf | bellard | } FindDeviceState; |
365 | a594cfbf | bellard | |
366 | a594cfbf | bellard | static int usb_host_find_device_scan(void *opaque, int bus_num, int addr, |
367 | a594cfbf | bellard | int class_id,
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368 | a594cfbf | bellard | int vendor_id, int product_id, |
369 | a594cfbf | bellard | const char *product_name, int speed) |
370 | bb36d470 | bellard | { |
371 | a594cfbf | bellard | FindDeviceState *s = opaque; |
372 | 1f6e24e7 | bellard | if ((vendor_id == s->vendor_id &&
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373 | 1f6e24e7 | bellard | product_id == s->product_id) || |
374 | 1f6e24e7 | bellard | (bus_num == s->bus_num && |
375 | 1f6e24e7 | bellard | addr == s->addr)) { |
376 | 1f6e24e7 | bellard | pstrcpy(s->product_name, PRODUCT_NAME_SZ, product_name); |
377 | a594cfbf | bellard | s->bus_num = bus_num; |
378 | a594cfbf | bellard | s->addr = addr; |
379 | a594cfbf | bellard | return 1; |
380 | a594cfbf | bellard | } else {
|
381 | a594cfbf | bellard | return 0; |
382 | a594cfbf | bellard | } |
383 | a594cfbf | bellard | } |
384 | bb36d470 | bellard | |
385 | a594cfbf | bellard | /* the syntax is :
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386 | a594cfbf | bellard | 'bus.addr' (decimal numbers) or
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387 | a594cfbf | bellard | 'vendor_id:product_id' (hexa numbers) */
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388 | a594cfbf | bellard | static int usb_host_find_device(int *pbus_num, int *paddr, |
389 | 1f6e24e7 | bellard | char *product_name, int product_name_size, |
390 | a594cfbf | bellard | const char *devname) |
391 | a594cfbf | bellard | { |
392 | a594cfbf | bellard | const char *p; |
393 | a594cfbf | bellard | int ret;
|
394 | a594cfbf | bellard | FindDeviceState fs; |
395 | a594cfbf | bellard | |
396 | a594cfbf | bellard | p = strchr(devname, '.');
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397 | a594cfbf | bellard | if (p) {
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398 | a594cfbf | bellard | *pbus_num = strtoul(devname, NULL, 0); |
399 | a594cfbf | bellard | *paddr = strtoul(p + 1, NULL, 0); |
400 | 1f6e24e7 | bellard | fs.bus_num = *pbus_num; |
401 | 1f6e24e7 | bellard | fs.addr = *paddr; |
402 | 1f6e24e7 | bellard | ret = usb_host_scan(&fs, usb_host_find_device_scan); |
403 | 1f6e24e7 | bellard | if (ret)
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404 | 1f6e24e7 | bellard | pstrcpy(product_name, product_name_size, fs.product_name); |
405 | a594cfbf | bellard | return 0; |
406 | a594cfbf | bellard | } |
407 | a594cfbf | bellard | p = strchr(devname, ':');
|
408 | a594cfbf | bellard | if (p) {
|
409 | a594cfbf | bellard | fs.vendor_id = strtoul(devname, NULL, 16); |
410 | a594cfbf | bellard | fs.product_id = strtoul(p + 1, NULL, 16); |
411 | a594cfbf | bellard | ret = usb_host_scan(&fs, usb_host_find_device_scan); |
412 | a594cfbf | bellard | if (ret) {
|
413 | a594cfbf | bellard | *pbus_num = fs.bus_num; |
414 | a594cfbf | bellard | *paddr = fs.addr; |
415 | 1f6e24e7 | bellard | pstrcpy(product_name, product_name_size, fs.product_name); |
416 | a594cfbf | bellard | return 0; |
417 | bb36d470 | bellard | } |
418 | bb36d470 | bellard | } |
419 | a594cfbf | bellard | return -1; |
420 | bb36d470 | bellard | } |
421 | bb36d470 | bellard | |
422 | a594cfbf | bellard | /**********************/
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423 | a594cfbf | bellard | /* USB host device info */
|
424 | a594cfbf | bellard | |
425 | a594cfbf | bellard | struct usb_class_info {
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426 | a594cfbf | bellard | int class;
|
427 | a594cfbf | bellard | const char *class_name; |
428 | a594cfbf | bellard | }; |
429 | a594cfbf | bellard | |
430 | a594cfbf | bellard | static const struct usb_class_info usb_class_info[] = { |
431 | a594cfbf | bellard | { USB_CLASS_AUDIO, "Audio"},
|
432 | a594cfbf | bellard | { USB_CLASS_COMM, "Communication"},
|
433 | a594cfbf | bellard | { USB_CLASS_HID, "HID"},
|
434 | a594cfbf | bellard | { USB_CLASS_HUB, "Hub" },
|
435 | a594cfbf | bellard | { USB_CLASS_PHYSICAL, "Physical" },
|
436 | a594cfbf | bellard | { USB_CLASS_PRINTER, "Printer" },
|
437 | a594cfbf | bellard | { USB_CLASS_MASS_STORAGE, "Storage" },
|
438 | a594cfbf | bellard | { USB_CLASS_CDC_DATA, "Data" },
|
439 | a594cfbf | bellard | { USB_CLASS_APP_SPEC, "Application Specific" },
|
440 | a594cfbf | bellard | { USB_CLASS_VENDOR_SPEC, "Vendor Specific" },
|
441 | a594cfbf | bellard | { USB_CLASS_STILL_IMAGE, "Still Image" },
|
442 | a594cfbf | bellard | { USB_CLASS_CSCID, "Smart Card" },
|
443 | a594cfbf | bellard | { USB_CLASS_CONTENT_SEC, "Content Security" },
|
444 | a594cfbf | bellard | { -1, NULL } |
445 | a594cfbf | bellard | }; |
446 | a594cfbf | bellard | |
447 | a594cfbf | bellard | static const char *usb_class_str(uint8_t class) |
448 | bb36d470 | bellard | { |
449 | a594cfbf | bellard | const struct usb_class_info *p; |
450 | a594cfbf | bellard | for(p = usb_class_info; p->class != -1; p++) { |
451 | a594cfbf | bellard | if (p->class == class)
|
452 | a594cfbf | bellard | break;
|
453 | bb36d470 | bellard | } |
454 | a594cfbf | bellard | return p->class_name;
|
455 | a594cfbf | bellard | } |
456 | a594cfbf | bellard | |
457 | a594cfbf | bellard | void usb_info_device(int bus_num, int addr, int class_id, |
458 | a594cfbf | bellard | int vendor_id, int product_id, |
459 | a594cfbf | bellard | const char *product_name, |
460 | a594cfbf | bellard | int speed)
|
461 | a594cfbf | bellard | { |
462 | a594cfbf | bellard | const char *class_str, *speed_str; |
463 | a594cfbf | bellard | |
464 | a594cfbf | bellard | switch(speed) {
|
465 | a594cfbf | bellard | case USB_SPEED_LOW:
|
466 | a594cfbf | bellard | speed_str = "1.5";
|
467 | a594cfbf | bellard | break;
|
468 | a594cfbf | bellard | case USB_SPEED_FULL:
|
469 | a594cfbf | bellard | speed_str = "12";
|
470 | a594cfbf | bellard | break;
|
471 | a594cfbf | bellard | case USB_SPEED_HIGH:
|
472 | a594cfbf | bellard | speed_str = "480";
|
473 | a594cfbf | bellard | break;
|
474 | a594cfbf | bellard | default:
|
475 | a594cfbf | bellard | speed_str = "?";
|
476 | a594cfbf | bellard | break;
|
477 | a594cfbf | bellard | } |
478 | a594cfbf | bellard | |
479 | a594cfbf | bellard | term_printf(" Device %d.%d, speed %s Mb/s\n",
|
480 | a594cfbf | bellard | bus_num, addr, speed_str); |
481 | a594cfbf | bellard | class_str = usb_class_str(class_id); |
482 | a594cfbf | bellard | if (class_str)
|
483 | a594cfbf | bellard | term_printf(" %s:", class_str);
|
484 | a594cfbf | bellard | else
|
485 | a594cfbf | bellard | term_printf(" Class %02x:", class_id);
|
486 | a594cfbf | bellard | term_printf(" USB device %04x:%04x", vendor_id, product_id);
|
487 | a594cfbf | bellard | if (product_name[0] != '\0') |
488 | a594cfbf | bellard | term_printf(", %s", product_name);
|
489 | a594cfbf | bellard | term_printf("\n");
|
490 | a594cfbf | bellard | } |
491 | a594cfbf | bellard | |
492 | a594cfbf | bellard | static int usb_host_info_device(void *opaque, int bus_num, int addr, |
493 | a594cfbf | bellard | int class_id,
|
494 | a594cfbf | bellard | int vendor_id, int product_id, |
495 | a594cfbf | bellard | const char *product_name, |
496 | a594cfbf | bellard | int speed)
|
497 | a594cfbf | bellard | { |
498 | a594cfbf | bellard | usb_info_device(bus_num, addr, class_id, vendor_id, product_id, |
499 | a594cfbf | bellard | product_name, speed); |
500 | a594cfbf | bellard | return 0; |
501 | a594cfbf | bellard | } |
502 | a594cfbf | bellard | |
503 | a594cfbf | bellard | void usb_host_info(void) |
504 | a594cfbf | bellard | { |
505 | a594cfbf | bellard | usb_host_scan(NULL, usb_host_info_device);
|
506 | bb36d470 | bellard | } |
507 | bb36d470 | bellard | |
508 | bb36d470 | bellard | #else
|
509 | bb36d470 | bellard | |
510 | a594cfbf | bellard | void usb_host_info(void) |
511 | a594cfbf | bellard | { |
512 | a594cfbf | bellard | term_printf("USB host devices not supported\n");
|
513 | a594cfbf | bellard | } |
514 | a594cfbf | bellard | |
515 | bb36d470 | bellard | /* XXX: modify configure to compile the right host driver */
|
516 | a594cfbf | bellard | USBDevice *usb_host_device_open(const char *devname) |
517 | bb36d470 | bellard | { |
518 | bb36d470 | bellard | return NULL; |
519 | bb36d470 | bellard | } |
520 | bb36d470 | bellard | |
521 | bb36d470 | bellard | #endif |