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Commit | Line | Data |
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bb36d470 FB |
1 | /* |
2 | * Linux host USB redirector | |
3 | * | |
4 | * Copyright (c) 2005 Fabrice Bellard | |
5fafdf24 | 5 | * |
64838171 AL |
6 | * Copyright (c) 2008 Max Krasnyansky |
7 | * Support for host device auto connect & disconnect | |
5d0c5750 | 8 | * Major rewrite to support fully async operation |
4b096fc9 | 9 | * |
0f431527 AL |
10 | * Copyright 2008 TJ <linux@tjworld.net> |
11 | * Added flexible support for /dev/bus/usb /sys/bus/usb/devices in addition | |
12 | * to the legacy /proc/bus/usb USB device discovery and handling | |
13 | * | |
bb36d470 FB |
14 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
15 | * of this software and associated documentation files (the "Software"), to deal | |
16 | * in the Software without restriction, including without limitation the rights | |
17 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
18 | * copies of the Software, and to permit persons to whom the Software is | |
19 | * furnished to do so, subject to the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice shall be included in | |
22 | * all copies or substantial portions of the Software. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
27 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
29 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
30 | * THE SOFTWARE. | |
31 | */ | |
446ab128 | 32 | |
87ecb68b | 33 | #include "qemu-common.h" |
1f3870ab | 34 | #include "qemu-timer.h" |
376253ec | 35 | #include "monitor.h" |
b373a63a | 36 | #include "sysemu.h" |
e6a2f500 | 37 | #include "trace.h" |
bb36d470 | 38 | |
bb36d470 FB |
39 | #include <dirent.h> |
40 | #include <sys/ioctl.h> | |
bb36d470 | 41 | |
446ab128 AL |
42 | #include <linux/usbdevice_fs.h> |
43 | #include <linux/version.h> | |
44 | #include "hw/usb.h" | |
bb36d470 | 45 | |
d9cf1578 BS |
46 | /* We redefine it to avoid version problems */ |
47 | struct usb_ctrltransfer { | |
48 | uint8_t bRequestType; | |
49 | uint8_t bRequest; | |
50 | uint16_t wValue; | |
51 | uint16_t wIndex; | |
52 | uint16_t wLength; | |
53 | uint32_t timeout; | |
54 | void *data; | |
55 | }; | |
56 | ||
5557d820 | 57 | typedef int USBScanFunc(void *opaque, int bus_num, int addr, char *port, |
0f5160d1 | 58 | int class_id, int vendor_id, int product_id, |
a594cfbf | 59 | const char *product_name, int speed); |
26a9e82a | 60 | |
0745eb1e | 61 | //#define DEBUG |
64838171 AL |
62 | |
63 | #ifdef DEBUG | |
d0f2c4c6 | 64 | #define DPRINTF printf |
64838171 | 65 | #else |
d0f2c4c6 | 66 | #define DPRINTF(...) |
64838171 | 67 | #endif |
bb36d470 | 68 | |
5be8e1f2 BS |
69 | #define USBDBG_DEVOPENED "husb: opened %s/devices\n" |
70 | ||
0f431527 | 71 | #define USBPROCBUS_PATH "/proc/bus/usb" |
1f6e24e7 | 72 | #define PRODUCT_NAME_SZ 32 |
3a4854b3 | 73 | #define MAX_ENDPOINTS 15 |
5557d820 | 74 | #define MAX_PORTLEN 16 |
0f431527 AL |
75 | #define USBDEVBUS_PATH "/dev/bus/usb" |
76 | #define USBSYSBUS_PATH "/sys/bus/usb" | |
77 | ||
78 | static char *usb_host_device_path; | |
79 | ||
80 | #define USB_FS_NONE 0 | |
81 | #define USB_FS_PROC 1 | |
82 | #define USB_FS_DEV 2 | |
83 | #define USB_FS_SYS 3 | |
84 | ||
85 | static int usb_fs_type; | |
bb36d470 | 86 | |
b9dc033c | 87 | /* endpoint association data */ |
060dc841 | 88 | #define ISO_FRAME_DESC_PER_URB 32 |
a0b5fece | 89 | #define INVALID_EP_TYPE 255 |
060dc841 | 90 | |
71138531 GH |
91 | /* devio.c limits single requests to 16k */ |
92 | #define MAX_USBFS_BUFFER_SIZE 16384 | |
93 | ||
060dc841 HG |
94 | typedef struct AsyncURB AsyncURB; |
95 | ||
b9dc033c AZ |
96 | struct endp_data { |
97 | uint8_t type; | |
64838171 | 98 | uint8_t halted; |
bb6d5498 | 99 | uint8_t iso_started; |
060dc841 HG |
100 | AsyncURB *iso_urb; |
101 | int iso_urb_idx; | |
bb6d5498 | 102 | int iso_buffer_used; |
060dc841 | 103 | int max_packet_size; |
82887262 | 104 | int inflight; |
b9dc033c AZ |
105 | }; |
106 | ||
26a9e82a GH |
107 | struct USBAutoFilter { |
108 | uint32_t bus_num; | |
109 | uint32_t addr; | |
9056a297 | 110 | char *port; |
26a9e82a GH |
111 | uint32_t vendor_id; |
112 | uint32_t product_id; | |
113 | }; | |
114 | ||
bb36d470 FB |
115 | typedef struct USBHostDevice { |
116 | USBDevice dev; | |
64838171 | 117 | int fd; |
9516bb47 | 118 | int hub_fd; |
64838171 | 119 | |
f8ddbfbc | 120 | uint8_t descr[8192]; |
64838171 AL |
121 | int descr_len; |
122 | int configuration; | |
446ab128 | 123 | int ninterfaces; |
24772c1e | 124 | int closing; |
b81bcd8a | 125 | uint32_t iso_urb_count; |
b373a63a | 126 | Notifier exit; |
64838171 | 127 | |
b9dc033c | 128 | struct endp_data endp_table[MAX_ENDPOINTS]; |
7a8fc83f | 129 | QLIST_HEAD(, AsyncURB) aurbs; |
4b096fc9 | 130 | |
4b096fc9 AL |
131 | /* Host side address */ |
132 | int bus_num; | |
133 | int addr; | |
5557d820 | 134 | char port[MAX_PORTLEN]; |
26a9e82a | 135 | struct USBAutoFilter match; |
3ee886c5 | 136 | int seen, errcount; |
4b096fc9 | 137 | |
26a9e82a | 138 | QTAILQ_ENTRY(USBHostDevice) next; |
bb36d470 FB |
139 | } USBHostDevice; |
140 | ||
26a9e82a GH |
141 | static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs); |
142 | ||
143 | static int usb_host_close(USBHostDevice *dev); | |
144 | static int parse_filter(const char *spec, struct USBAutoFilter *f); | |
145 | static void usb_host_auto_check(void *unused); | |
2cc59d8c HG |
146 | static int usb_host_read_file(char *line, size_t line_size, |
147 | const char *device_file, const char *device_name); | |
9b87e19b | 148 | static int usb_linux_update_endp_table(USBHostDevice *s); |
26a9e82a | 149 | |
ca3a36cf GH |
150 | static struct endp_data *get_endp(USBHostDevice *s, int ep) |
151 | { | |
152 | return s->endp_table + ep - 1; | |
153 | } | |
154 | ||
64838171 AL |
155 | static int is_isoc(USBHostDevice *s, int ep) |
156 | { | |
ca3a36cf | 157 | return get_endp(s, ep)->type == USBDEVFS_URB_TYPE_ISO; |
64838171 AL |
158 | } |
159 | ||
a0b5fece HG |
160 | static int is_valid(USBHostDevice *s, int ep) |
161 | { | |
ca3a36cf | 162 | return get_endp(s, ep)->type != INVALID_EP_TYPE; |
a0b5fece HG |
163 | } |
164 | ||
64838171 AL |
165 | static int is_halted(USBHostDevice *s, int ep) |
166 | { | |
ca3a36cf | 167 | return get_endp(s, ep)->halted; |
64838171 AL |
168 | } |
169 | ||
170 | static void clear_halt(USBHostDevice *s, int ep) | |
171 | { | |
e6a2f500 | 172 | trace_usb_host_ep_clear_halt(s->bus_num, s->addr, ep); |
ca3a36cf | 173 | get_endp(s, ep)->halted = 0; |
64838171 AL |
174 | } |
175 | ||
176 | static void set_halt(USBHostDevice *s, int ep) | |
177 | { | |
e6a2f500 | 178 | trace_usb_host_ep_set_halt(s->bus_num, s->addr, ep); |
ca3a36cf | 179 | get_endp(s, ep)->halted = 1; |
64838171 AL |
180 | } |
181 | ||
bb6d5498 HG |
182 | static int is_iso_started(USBHostDevice *s, int ep) |
183 | { | |
ca3a36cf | 184 | return get_endp(s, ep)->iso_started; |
bb6d5498 HG |
185 | } |
186 | ||
187 | static void clear_iso_started(USBHostDevice *s, int ep) | |
188 | { | |
e6a2f500 | 189 | trace_usb_host_ep_stop_iso(s->bus_num, s->addr, ep); |
ca3a36cf | 190 | get_endp(s, ep)->iso_started = 0; |
bb6d5498 HG |
191 | } |
192 | ||
193 | static void set_iso_started(USBHostDevice *s, int ep) | |
194 | { | |
82887262 | 195 | struct endp_data *e = get_endp(s, ep); |
e6a2f500 GH |
196 | |
197 | trace_usb_host_ep_start_iso(s->bus_num, s->addr, ep); | |
82887262 GH |
198 | if (!e->iso_started) { |
199 | e->iso_started = 1; | |
200 | e->inflight = 0; | |
201 | } | |
202 | } | |
203 | ||
204 | static int change_iso_inflight(USBHostDevice *s, int ep, int value) | |
205 | { | |
206 | struct endp_data *e = get_endp(s, ep); | |
207 | ||
208 | e->inflight += value; | |
209 | return e->inflight; | |
bb6d5498 HG |
210 | } |
211 | ||
060dc841 HG |
212 | static void set_iso_urb(USBHostDevice *s, int ep, AsyncURB *iso_urb) |
213 | { | |
ca3a36cf | 214 | get_endp(s, ep)->iso_urb = iso_urb; |
060dc841 HG |
215 | } |
216 | ||
217 | static AsyncURB *get_iso_urb(USBHostDevice *s, int ep) | |
218 | { | |
ca3a36cf | 219 | return get_endp(s, ep)->iso_urb; |
060dc841 HG |
220 | } |
221 | ||
222 | static void set_iso_urb_idx(USBHostDevice *s, int ep, int i) | |
223 | { | |
ca3a36cf | 224 | get_endp(s, ep)->iso_urb_idx = i; |
060dc841 HG |
225 | } |
226 | ||
227 | static int get_iso_urb_idx(USBHostDevice *s, int ep) | |
228 | { | |
ca3a36cf | 229 | return get_endp(s, ep)->iso_urb_idx; |
060dc841 HG |
230 | } |
231 | ||
bb6d5498 HG |
232 | static void set_iso_buffer_used(USBHostDevice *s, int ep, int i) |
233 | { | |
ca3a36cf | 234 | get_endp(s, ep)->iso_buffer_used = i; |
bb6d5498 HG |
235 | } |
236 | ||
237 | static int get_iso_buffer_used(USBHostDevice *s, int ep) | |
238 | { | |
ca3a36cf | 239 | return get_endp(s, ep)->iso_buffer_used; |
bb6d5498 HG |
240 | } |
241 | ||
6dfcdccb GH |
242 | static void set_max_packet_size(USBHostDevice *s, int ep, uint8_t *descriptor) |
243 | { | |
244 | int raw = descriptor[4] + (descriptor[5] << 8); | |
245 | int size, microframes; | |
246 | ||
247 | size = raw & 0x7ff; | |
248 | switch ((raw >> 11) & 3) { | |
249 | case 1: microframes = 2; break; | |
250 | case 2: microframes = 3; break; | |
251 | default: microframes = 1; break; | |
252 | } | |
ca3a36cf | 253 | get_endp(s, ep)->max_packet_size = size * microframes; |
6dfcdccb GH |
254 | } |
255 | ||
060dc841 HG |
256 | static int get_max_packet_size(USBHostDevice *s, int ep) |
257 | { | |
ca3a36cf | 258 | return get_endp(s, ep)->max_packet_size; |
060dc841 HG |
259 | } |
260 | ||
2791104c | 261 | /* |
64838171 | 262 | * Async URB state. |
060dc841 | 263 | * We always allocate iso packet descriptors even for bulk transfers |
2791104c | 264 | * to simplify allocation and casts. |
64838171 | 265 | */ |
060dc841 | 266 | struct AsyncURB |
64838171 AL |
267 | { |
268 | struct usbdevfs_urb urb; | |
060dc841 | 269 | struct usbdevfs_iso_packet_desc isocpd[ISO_FRAME_DESC_PER_URB]; |
7a8fc83f GH |
270 | USBHostDevice *hdev; |
271 | QLIST_ENTRY(AsyncURB) next; | |
b9dc033c | 272 | |
060dc841 | 273 | /* For regular async urbs */ |
64838171 | 274 | USBPacket *packet; |
71138531 | 275 | int more; /* large transfer, more urbs follow */ |
060dc841 HG |
276 | |
277 | /* For buffered iso handling */ | |
278 | int iso_frame_idx; /* -1 means in flight */ | |
279 | }; | |
b9dc033c | 280 | |
7a8fc83f | 281 | static AsyncURB *async_alloc(USBHostDevice *s) |
b9dc033c | 282 | { |
7267c094 | 283 | AsyncURB *aurb = g_malloc0(sizeof(AsyncURB)); |
7a8fc83f GH |
284 | aurb->hdev = s; |
285 | QLIST_INSERT_HEAD(&s->aurbs, aurb, next); | |
286 | return aurb; | |
b9dc033c AZ |
287 | } |
288 | ||
64838171 | 289 | static void async_free(AsyncURB *aurb) |
b9dc033c | 290 | { |
7a8fc83f | 291 | QLIST_REMOVE(aurb, next); |
7267c094 | 292 | g_free(aurb); |
64838171 | 293 | } |
b9dc033c | 294 | |
41c01ee7 GH |
295 | static void do_disconnect(USBHostDevice *s) |
296 | { | |
41c01ee7 GH |
297 | usb_host_close(s); |
298 | usb_host_auto_check(NULL); | |
299 | } | |
300 | ||
64838171 AL |
301 | static void async_complete(void *opaque) |
302 | { | |
303 | USBHostDevice *s = opaque; | |
304 | AsyncURB *aurb; | |
82887262 | 305 | int urbs = 0; |
64838171 AL |
306 | |
307 | while (1) { | |
2791104c | 308 | USBPacket *p; |
b9dc033c | 309 | |
2791104c | 310 | int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb); |
64838171 | 311 | if (r < 0) { |
2791104c | 312 | if (errno == EAGAIN) { |
82887262 GH |
313 | if (urbs > 2) { |
314 | fprintf(stderr, "husb: %d iso urbs finished at once\n", urbs); | |
315 | } | |
64838171 | 316 | return; |
2791104c | 317 | } |
40197c35 GH |
318 | if (errno == ENODEV) { |
319 | if (!s->closing) { | |
320 | trace_usb_host_disconnect(s->bus_num, s->addr); | |
321 | do_disconnect(s); | |
322 | } | |
64838171 AL |
323 | return; |
324 | } | |
325 | ||
e6a2f500 | 326 | perror("USBDEVFS_REAPURBNDELAY"); |
64838171 | 327 | return; |
b9dc033c | 328 | } |
64838171 | 329 | |
2791104c | 330 | DPRINTF("husb: async completed. aurb %p status %d alen %d\n", |
64838171 AL |
331 | aurb, aurb->urb.status, aurb->urb.actual_length); |
332 | ||
060dc841 HG |
333 | /* If this is a buffered iso urb mark it as complete and don't do |
334 | anything else (it is handled further in usb_host_handle_iso_data) */ | |
335 | if (aurb->iso_frame_idx == -1) { | |
82887262 | 336 | int inflight; |
060dc841 HG |
337 | if (aurb->urb.status == -EPIPE) { |
338 | set_halt(s, aurb->urb.endpoint & 0xf); | |
339 | } | |
340 | aurb->iso_frame_idx = 0; | |
82887262 GH |
341 | urbs++; |
342 | inflight = change_iso_inflight(s, aurb->urb.endpoint & 0xf, -1); | |
343 | if (inflight == 0 && is_iso_started(s, aurb->urb.endpoint & 0xf)) { | |
344 | fprintf(stderr, "husb: out of buffers for iso stream\n"); | |
345 | } | |
060dc841 HG |
346 | continue; |
347 | } | |
348 | ||
349 | p = aurb->packet; | |
e6a2f500 GH |
350 | trace_usb_host_urb_complete(s->bus_num, s->addr, aurb, aurb->urb.status, |
351 | aurb->urb.actual_length, aurb->more); | |
060dc841 | 352 | |
2791104c | 353 | if (p) { |
64838171 AL |
354 | switch (aurb->urb.status) { |
355 | case 0: | |
4f4321c1 | 356 | p->result += aurb->urb.actual_length; |
64838171 AL |
357 | break; |
358 | ||
359 | case -EPIPE: | |
360 | set_halt(s, p->devep); | |
4f4321c1 | 361 | p->result = USB_RET_STALL; |
2791104c | 362 | break; |
dcc7e25f | 363 | |
64838171 | 364 | default: |
4f4321c1 | 365 | p->result = USB_RET_NAK; |
64838171 AL |
366 | break; |
367 | } | |
368 | ||
50b7963e | 369 | if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) { |
e6a2f500 | 370 | trace_usb_host_req_complete(s->bus_num, s->addr, p->result); |
50b7963e | 371 | usb_generic_async_ctrl_complete(&s->dev, p); |
71138531 | 372 | } else if (!aurb->more) { |
e6a2f500 | 373 | trace_usb_host_req_complete(s->bus_num, s->addr, p->result); |
50b7963e HG |
374 | usb_packet_complete(&s->dev, p); |
375 | } | |
2791104c | 376 | } |
64838171 AL |
377 | |
378 | async_free(aurb); | |
b9dc033c | 379 | } |
b9dc033c AZ |
380 | } |
381 | ||
eb5e680a | 382 | static void usb_host_async_cancel(USBDevice *dev, USBPacket *p) |
b9dc033c | 383 | { |
eb5e680a | 384 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
227ebeb5 | 385 | AsyncURB *aurb; |
b9dc033c | 386 | |
227ebeb5 GH |
387 | QLIST_FOREACH(aurb, &s->aurbs, next) { |
388 | if (p != aurb->packet) { | |
389 | continue; | |
390 | } | |
64838171 | 391 | |
227ebeb5 | 392 | DPRINTF("husb: async cancel: packet %p, aurb %p\n", p, aurb); |
b9dc033c | 393 | |
227ebeb5 GH |
394 | /* Mark it as dead (see async_complete above) */ |
395 | aurb->packet = NULL; | |
396 | ||
397 | int r = ioctl(s->fd, USBDEVFS_DISCARDURB, aurb); | |
398 | if (r < 0) { | |
399 | DPRINTF("husb: async. discard urb failed errno %d\n", errno); | |
400 | } | |
b9dc033c | 401 | } |
b9dc033c AZ |
402 | } |
403 | ||
446ab128 | 404 | static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration) |
b9dc033c | 405 | { |
41c01ee7 | 406 | const char *op = NULL; |
b9dc033c | 407 | int dev_descr_len, config_descr_len; |
d4c4e6fd | 408 | int interface, nb_interfaces; |
b9dc033c AZ |
409 | int ret, i; |
410 | ||
eb7700bb GH |
411 | if (configuration == 0) { /* address state - ignore */ |
412 | dev->ninterfaces = 0; | |
413 | dev->configuration = 0; | |
b9dc033c | 414 | return 1; |
eb7700bb | 415 | } |
b9dc033c | 416 | |
d0f2c4c6 | 417 | DPRINTF("husb: claiming interfaces. config %d\n", configuration); |
446ab128 | 418 | |
b9dc033c AZ |
419 | i = 0; |
420 | dev_descr_len = dev->descr[0]; | |
2791104c | 421 | if (dev_descr_len > dev->descr_len) { |
61c1117f HG |
422 | fprintf(stderr, "husb: update iface failed. descr too short\n"); |
423 | return 0; | |
2791104c | 424 | } |
b9dc033c AZ |
425 | |
426 | i += dev_descr_len; | |
427 | while (i < dev->descr_len) { | |
2791104c DA |
428 | DPRINTF("husb: i is %d, descr_len is %d, dl %d, dt %d\n", |
429 | i, dev->descr_len, | |
b9dc033c | 430 | dev->descr[i], dev->descr[i+1]); |
64838171 | 431 | |
b9dc033c AZ |
432 | if (dev->descr[i+1] != USB_DT_CONFIG) { |
433 | i += dev->descr[i]; | |
434 | continue; | |
435 | } | |
436 | config_descr_len = dev->descr[i]; | |
437 | ||
e6a2f500 | 438 | DPRINTF("husb: config #%d need %d\n", dev->descr[i + 5], configuration); |
1f3870ab | 439 | |
eb7700bb | 440 | if (configuration == dev->descr[i + 5]) { |
446ab128 | 441 | configuration = dev->descr[i + 5]; |
b9dc033c | 442 | break; |
446ab128 | 443 | } |
b9dc033c AZ |
444 | |
445 | i += config_descr_len; | |
446 | } | |
447 | ||
448 | if (i >= dev->descr_len) { | |
2791104c DA |
449 | fprintf(stderr, |
450 | "husb: update iface failed. no matching configuration\n"); | |
61c1117f | 451 | return 0; |
b9dc033c AZ |
452 | } |
453 | nb_interfaces = dev->descr[i + 4]; | |
454 | ||
455 | #ifdef USBDEVFS_DISCONNECT | |
456 | /* earlier Linux 2.4 do not support that */ | |
457 | { | |
458 | struct usbdevfs_ioctl ctrl; | |
459 | for (interface = 0; interface < nb_interfaces; interface++) { | |
460 | ctrl.ioctl_code = USBDEVFS_DISCONNECT; | |
461 | ctrl.ifno = interface; | |
021730f7 | 462 | ctrl.data = 0; |
41c01ee7 | 463 | op = "USBDEVFS_DISCONNECT"; |
b9dc033c AZ |
464 | ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl); |
465 | if (ret < 0 && errno != ENODATA) { | |
b9dc033c AZ |
466 | goto fail; |
467 | } | |
468 | } | |
469 | } | |
470 | #endif | |
471 | ||
472 | /* XXX: only grab if all interfaces are free */ | |
473 | for (interface = 0; interface < nb_interfaces; interface++) { | |
41c01ee7 | 474 | op = "USBDEVFS_CLAIMINTERFACE"; |
b9dc033c AZ |
475 | ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface); |
476 | if (ret < 0) { | |
41c01ee7 | 477 | goto fail; |
b9dc033c AZ |
478 | } |
479 | } | |
480 | ||
e6a2f500 GH |
481 | trace_usb_host_claim_interfaces(dev->bus_num, dev->addr, |
482 | nb_interfaces, configuration); | |
b9dc033c | 483 | |
446ab128 AL |
484 | dev->ninterfaces = nb_interfaces; |
485 | dev->configuration = configuration; | |
486 | return 1; | |
41c01ee7 GH |
487 | |
488 | fail: | |
489 | if (errno == ENODEV) { | |
490 | do_disconnect(dev); | |
491 | } | |
492 | perror(op); | |
493 | return 0; | |
446ab128 AL |
494 | } |
495 | ||
496 | static int usb_host_release_interfaces(USBHostDevice *s) | |
497 | { | |
498 | int ret, i; | |
499 | ||
e6a2f500 | 500 | trace_usb_host_release_interfaces(s->bus_num, s->addr); |
446ab128 AL |
501 | |
502 | for (i = 0; i < s->ninterfaces; i++) { | |
503 | ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i); | |
504 | if (ret < 0) { | |
e6a2f500 | 505 | perror("USBDEVFS_RELEASEINTERFACE"); |
446ab128 AL |
506 | return 0; |
507 | } | |
508 | } | |
b9dc033c AZ |
509 | return 1; |
510 | } | |
511 | ||
059809e4 | 512 | static void usb_host_handle_reset(USBDevice *dev) |
bb36d470 | 513 | { |
26a9e82a | 514 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 515 | |
e6a2f500 | 516 | trace_usb_host_reset(s->bus_num, s->addr); |
64838171 | 517 | |
bb36d470 | 518 | ioctl(s->fd, USBDEVFS_RESET); |
446ab128 | 519 | |
eb7700bb | 520 | usb_host_claim_interfaces(s, 0); |
9b87e19b | 521 | usb_linux_update_endp_table(s); |
5fafdf24 | 522 | } |
bb36d470 | 523 | |
059809e4 FB |
524 | static void usb_host_handle_destroy(USBDevice *dev) |
525 | { | |
526 | USBHostDevice *s = (USBHostDevice *)dev; | |
527 | ||
26a9e82a | 528 | usb_host_close(s); |
9516bb47 GH |
529 | if (s->hub_fd != -1) { |
530 | close(s->hub_fd); | |
531 | } | |
26a9e82a | 532 | QTAILQ_REMOVE(&hostdevs, s, next); |
b373a63a | 533 | qemu_remove_exit_notifier(&s->exit); |
059809e4 FB |
534 | } |
535 | ||
060dc841 HG |
536 | /* iso data is special, we need to keep enough urbs in flight to make sure |
537 | that the controller never runs out of them, otherwise the device will | |
538 | likely suffer a buffer underrun / overrun. */ | |
539 | static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, uint8_t ep, int in) | |
540 | { | |
541 | AsyncURB *aurb; | |
542 | int i, j, len = get_max_packet_size(s, ep); | |
543 | ||
7267c094 | 544 | aurb = g_malloc0(s->iso_urb_count * sizeof(*aurb)); |
b81bcd8a | 545 | for (i = 0; i < s->iso_urb_count; i++) { |
060dc841 HG |
546 | aurb[i].urb.endpoint = ep; |
547 | aurb[i].urb.buffer_length = ISO_FRAME_DESC_PER_URB * len; | |
7267c094 | 548 | aurb[i].urb.buffer = g_malloc(aurb[i].urb.buffer_length); |
060dc841 HG |
549 | aurb[i].urb.type = USBDEVFS_URB_TYPE_ISO; |
550 | aurb[i].urb.flags = USBDEVFS_URB_ISO_ASAP; | |
551 | aurb[i].urb.number_of_packets = ISO_FRAME_DESC_PER_URB; | |
552 | for (j = 0 ; j < ISO_FRAME_DESC_PER_URB; j++) | |
553 | aurb[i].urb.iso_frame_desc[j].length = len; | |
554 | if (in) { | |
555 | aurb[i].urb.endpoint |= 0x80; | |
556 | /* Mark as fully consumed (idle) */ | |
557 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB; | |
558 | } | |
559 | } | |
560 | set_iso_urb(s, ep, aurb); | |
561 | ||
562 | return aurb; | |
563 | } | |
564 | ||
565 | static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep) | |
566 | { | |
567 | AsyncURB *aurb; | |
568 | int i, ret, killed = 0, free = 1; | |
569 | ||
570 | aurb = get_iso_urb(s, ep); | |
571 | if (!aurb) { | |
572 | return; | |
573 | } | |
574 | ||
b81bcd8a | 575 | for (i = 0; i < s->iso_urb_count; i++) { |
060dc841 HG |
576 | /* in flight? */ |
577 | if (aurb[i].iso_frame_idx == -1) { | |
578 | ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]); | |
579 | if (ret < 0) { | |
e6a2f500 | 580 | perror("USBDEVFS_DISCARDURB"); |
060dc841 HG |
581 | free = 0; |
582 | continue; | |
583 | } | |
584 | killed++; | |
585 | } | |
586 | } | |
587 | ||
588 | /* Make sure any urbs we've killed are reaped before we free them */ | |
589 | if (killed) { | |
590 | async_complete(s); | |
591 | } | |
592 | ||
b81bcd8a | 593 | for (i = 0; i < s->iso_urb_count; i++) { |
7267c094 | 594 | g_free(aurb[i].urb.buffer); |
060dc841 HG |
595 | } |
596 | ||
597 | if (free) | |
7267c094 | 598 | g_free(aurb); |
060dc841 HG |
599 | else |
600 | printf("husb: leaking iso urbs because of discard failure\n"); | |
601 | set_iso_urb(s, ep, NULL); | |
bb6d5498 HG |
602 | set_iso_urb_idx(s, ep, 0); |
603 | clear_iso_started(s, ep); | |
060dc841 HG |
604 | } |
605 | ||
606 | static int urb_status_to_usb_ret(int status) | |
607 | { | |
608 | switch (status) { | |
609 | case -EPIPE: | |
610 | return USB_RET_STALL; | |
611 | default: | |
612 | return USB_RET_NAK; | |
613 | } | |
614 | } | |
615 | ||
bb6d5498 | 616 | static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in) |
060dc841 HG |
617 | { |
618 | AsyncURB *aurb; | |
bb6d5498 | 619 | int i, j, ret, max_packet_size, offset, len = 0; |
4f4321c1 | 620 | uint8_t *buf; |
975f2998 HG |
621 | |
622 | max_packet_size = get_max_packet_size(s, p->devep); | |
623 | if (max_packet_size == 0) | |
624 | return USB_RET_NAK; | |
060dc841 HG |
625 | |
626 | aurb = get_iso_urb(s, p->devep); | |
627 | if (!aurb) { | |
bb6d5498 | 628 | aurb = usb_host_alloc_iso(s, p->devep, in); |
060dc841 HG |
629 | } |
630 | ||
631 | i = get_iso_urb_idx(s, p->devep); | |
632 | j = aurb[i].iso_frame_idx; | |
633 | if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) { | |
bb6d5498 HG |
634 | if (in) { |
635 | /* Check urb status */ | |
636 | if (aurb[i].urb.status) { | |
637 | len = urb_status_to_usb_ret(aurb[i].urb.status); | |
638 | /* Move to the next urb */ | |
639 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB - 1; | |
640 | /* Check frame status */ | |
641 | } else if (aurb[i].urb.iso_frame_desc[j].status) { | |
642 | len = urb_status_to_usb_ret( | |
643 | aurb[i].urb.iso_frame_desc[j].status); | |
644 | /* Check the frame fits */ | |
4f4321c1 GH |
645 | } else if (aurb[i].urb.iso_frame_desc[j].actual_length |
646 | > p->iov.size) { | |
bb6d5498 HG |
647 | printf("husb: received iso data is larger then packet\n"); |
648 | len = USB_RET_NAK; | |
649 | /* All good copy data over */ | |
650 | } else { | |
651 | len = aurb[i].urb.iso_frame_desc[j].actual_length; | |
4f4321c1 GH |
652 | buf = aurb[i].urb.buffer + |
653 | j * aurb[i].urb.iso_frame_desc[0].length; | |
654 | usb_packet_copy(p, buf, len); | |
bb6d5498 | 655 | } |
060dc841 | 656 | } else { |
4f4321c1 | 657 | len = p->iov.size; |
bb6d5498 HG |
658 | offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->devep); |
659 | ||
660 | /* Check the frame fits */ | |
661 | if (len > max_packet_size) { | |
662 | printf("husb: send iso data is larger then max packet size\n"); | |
663 | return USB_RET_NAK; | |
664 | } | |
665 | ||
666 | /* All good copy data over */ | |
4f4321c1 | 667 | usb_packet_copy(p, aurb[i].urb.buffer + offset, len); |
bb6d5498 HG |
668 | aurb[i].urb.iso_frame_desc[j].length = len; |
669 | offset += len; | |
670 | set_iso_buffer_used(s, p->devep, offset); | |
671 | ||
672 | /* Start the stream once we have buffered enough data */ | |
673 | if (!is_iso_started(s, p->devep) && i == 1 && j == 8) { | |
674 | set_iso_started(s, p->devep); | |
675 | } | |
060dc841 HG |
676 | } |
677 | aurb[i].iso_frame_idx++; | |
678 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { | |
b81bcd8a | 679 | i = (i + 1) % s->iso_urb_count; |
060dc841 HG |
680 | set_iso_urb_idx(s, p->devep, i); |
681 | } | |
bb6d5498 HG |
682 | } else { |
683 | if (in) { | |
684 | set_iso_started(s, p->devep); | |
685 | } else { | |
686 | DPRINTF("hubs: iso out error no free buffer, dropping packet\n"); | |
687 | } | |
060dc841 HG |
688 | } |
689 | ||
bb6d5498 HG |
690 | if (is_iso_started(s, p->devep)) { |
691 | /* (Re)-submit all fully consumed / filled urbs */ | |
b81bcd8a | 692 | for (i = 0; i < s->iso_urb_count; i++) { |
bb6d5498 HG |
693 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { |
694 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]); | |
695 | if (ret < 0) { | |
e6a2f500 | 696 | perror("USBDEVFS_SUBMITURB"); |
bb6d5498 HG |
697 | if (!in || len == 0) { |
698 | switch(errno) { | |
699 | case ETIMEDOUT: | |
700 | len = USB_RET_NAK; | |
0225e254 | 701 | break; |
bb6d5498 HG |
702 | case EPIPE: |
703 | default: | |
704 | len = USB_RET_STALL; | |
705 | } | |
060dc841 | 706 | } |
bb6d5498 | 707 | break; |
060dc841 | 708 | } |
bb6d5498 | 709 | aurb[i].iso_frame_idx = -1; |
82887262 | 710 | change_iso_inflight(s, p->devep, +1); |
060dc841 | 711 | } |
060dc841 HG |
712 | } |
713 | } | |
714 | ||
715 | return len; | |
716 | } | |
717 | ||
50b7963e | 718 | static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
bb36d470 | 719 | { |
50b7963e | 720 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 721 | struct usbdevfs_urb *urb; |
446ab128 | 722 | AsyncURB *aurb; |
b621bab4 | 723 | int ret, rem, prem, v; |
71138531 | 724 | uint8_t *pbuf; |
060dc841 | 725 | uint8_t ep; |
b9dc033c | 726 | |
e6a2f500 GH |
727 | trace_usb_host_req_data(s->bus_num, s->addr, |
728 | p->pid == USB_TOKEN_IN, | |
729 | p->devep, p->iov.size); | |
730 | ||
a0b5fece | 731 | if (!is_valid(s, p->devep)) { |
e6a2f500 | 732 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK); |
a0b5fece HG |
733 | return USB_RET_NAK; |
734 | } | |
735 | ||
2791104c | 736 | if (p->pid == USB_TOKEN_IN) { |
060dc841 | 737 | ep = p->devep | 0x80; |
2791104c | 738 | } else { |
060dc841 | 739 | ep = p->devep; |
2791104c | 740 | } |
64838171 AL |
741 | |
742 | if (is_halted(s, p->devep)) { | |
9b87e19b GH |
743 | unsigned int arg = ep; |
744 | ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &arg); | |
64838171 | 745 | if (ret < 0) { |
e6a2f500 GH |
746 | perror("USBDEVFS_CLEAR_HALT"); |
747 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK); | |
bb36d470 | 748 | return USB_RET_NAK; |
bb36d470 | 749 | } |
64838171 | 750 | clear_halt(s, p->devep); |
4d043a09 AZ |
751 | } |
752 | ||
bb6d5498 HG |
753 | if (is_isoc(s, p->devep)) { |
754 | return usb_host_handle_iso_data(s, p, p->pid == USB_TOKEN_IN); | |
755 | } | |
060dc841 | 756 | |
b621bab4 GH |
757 | v = 0; |
758 | prem = p->iov.iov[v].iov_len; | |
759 | pbuf = p->iov.iov[v].iov_base; | |
760 | rem = p->iov.size; | |
71138531 | 761 | while (rem) { |
b621bab4 GH |
762 | if (prem == 0) { |
763 | v++; | |
764 | assert(v < p->iov.niov); | |
765 | prem = p->iov.iov[v].iov_len; | |
766 | pbuf = p->iov.iov[v].iov_base; | |
767 | assert(prem <= rem); | |
768 | } | |
71138531 GH |
769 | aurb = async_alloc(s); |
770 | aurb->packet = p; | |
771 | ||
772 | urb = &aurb->urb; | |
773 | urb->endpoint = ep; | |
774 | urb->type = USBDEVFS_URB_TYPE_BULK; | |
775 | urb->usercontext = s; | |
776 | urb->buffer = pbuf; | |
b621bab4 | 777 | urb->buffer_length = prem; |
71138531 | 778 | |
b621bab4 | 779 | if (urb->buffer_length > MAX_USBFS_BUFFER_SIZE) { |
71138531 | 780 | urb->buffer_length = MAX_USBFS_BUFFER_SIZE; |
71138531 GH |
781 | } |
782 | pbuf += urb->buffer_length; | |
b621bab4 | 783 | prem -= urb->buffer_length; |
71138531 | 784 | rem -= urb->buffer_length; |
b621bab4 GH |
785 | if (rem) { |
786 | aurb->more = 1; | |
787 | } | |
b9dc033c | 788 | |
e6a2f500 GH |
789 | trace_usb_host_urb_submit(s->bus_num, s->addr, aurb, |
790 | urb->buffer_length, aurb->more); | |
71138531 | 791 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
b9dc033c | 792 | |
71138531 GH |
793 | DPRINTF("husb: data submit: ep 0x%x, len %u, more %d, packet %p, aurb %p\n", |
794 | urb->endpoint, urb->buffer_length, aurb->more, p, aurb); | |
b9dc033c | 795 | |
71138531 | 796 | if (ret < 0) { |
e6a2f500 | 797 | perror("USBDEVFS_SUBMITURB"); |
71138531 | 798 | async_free(aurb); |
b9dc033c | 799 | |
71138531 GH |
800 | switch(errno) { |
801 | case ETIMEDOUT: | |
e6a2f500 | 802 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK); |
71138531 GH |
803 | return USB_RET_NAK; |
804 | case EPIPE: | |
805 | default: | |
e6a2f500 | 806 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_STALL); |
71138531 GH |
807 | return USB_RET_STALL; |
808 | } | |
b9dc033c AZ |
809 | } |
810 | } | |
64838171 | 811 | |
b9dc033c | 812 | return USB_RET_ASYNC; |
b9dc033c AZ |
813 | } |
814 | ||
446ab128 AL |
815 | static int ctrl_error(void) |
816 | { | |
2791104c | 817 | if (errno == ETIMEDOUT) { |
446ab128 | 818 | return USB_RET_NAK; |
2791104c | 819 | } else { |
446ab128 | 820 | return USB_RET_STALL; |
2791104c | 821 | } |
446ab128 AL |
822 | } |
823 | ||
824 | static int usb_host_set_address(USBHostDevice *s, int addr) | |
825 | { | |
e6a2f500 | 826 | trace_usb_host_set_address(s->bus_num, s->addr, addr); |
446ab128 AL |
827 | s->dev.addr = addr; |
828 | return 0; | |
829 | } | |
830 | ||
831 | static int usb_host_set_config(USBHostDevice *s, int config) | |
832 | { | |
e6a2f500 GH |
833 | trace_usb_host_set_config(s->bus_num, s->addr, config); |
834 | ||
446ab128 AL |
835 | usb_host_release_interfaces(s); |
836 | ||
837 | int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config); | |
2791104c | 838 | |
d0f2c4c6 | 839 | DPRINTF("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno); |
2791104c DA |
840 | |
841 | if (ret < 0) { | |
446ab128 | 842 | return ctrl_error(); |
2791104c | 843 | } |
446ab128 | 844 | usb_host_claim_interfaces(s, config); |
eb7700bb | 845 | usb_linux_update_endp_table(s); |
446ab128 AL |
846 | return 0; |
847 | } | |
848 | ||
849 | static int usb_host_set_interface(USBHostDevice *s, int iface, int alt) | |
850 | { | |
851 | struct usbdevfs_setinterface si; | |
060dc841 HG |
852 | int i, ret; |
853 | ||
e6a2f500 GH |
854 | trace_usb_host_set_interface(s->bus_num, s->addr, iface, alt); |
855 | ||
3a4854b3 | 856 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
060dc841 HG |
857 | if (is_isoc(s, i)) { |
858 | usb_host_stop_n_free_iso(s, i); | |
859 | } | |
860 | } | |
446ab128 AL |
861 | |
862 | si.interface = iface; | |
863 | si.altsetting = alt; | |
864 | ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si); | |
446ab128 | 865 | |
2791104c DA |
866 | DPRINTF("husb: ctrl set iface %d altset %d ret %d errno %d\n", |
867 | iface, alt, ret, errno); | |
868 | ||
869 | if (ret < 0) { | |
870 | return ctrl_error(); | |
871 | } | |
446ab128 AL |
872 | usb_linux_update_endp_table(s); |
873 | return 0; | |
874 | } | |
875 | ||
50b7963e HG |
876 | static int usb_host_handle_control(USBDevice *dev, USBPacket *p, |
877 | int request, int value, int index, int length, uint8_t *data) | |
446ab128 | 878 | { |
50b7963e | 879 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
446ab128 AL |
880 | struct usbdevfs_urb *urb; |
881 | AsyncURB *aurb; | |
50b7963e | 882 | int ret; |
446ab128 | 883 | |
2791104c | 884 | /* |
446ab128 AL |
885 | * Process certain standard device requests. |
886 | * These are infrequent and are processed synchronously. | |
887 | */ | |
446ab128 | 888 | |
50b7963e | 889 | /* Note request is (bRequestType << 8) | bRequest */ |
e6a2f500 | 890 | trace_usb_host_req_control(s->bus_num, s->addr, request, value, index); |
446ab128 | 891 | |
50b7963e HG |
892 | switch (request) { |
893 | case DeviceOutRequest | USB_REQ_SET_ADDRESS: | |
894 | return usb_host_set_address(s, value); | |
446ab128 | 895 | |
50b7963e HG |
896 | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: |
897 | return usb_host_set_config(s, value & 0xff); | |
446ab128 | 898 | |
50b7963e | 899 | case InterfaceOutRequest | USB_REQ_SET_INTERFACE: |
446ab128 | 900 | return usb_host_set_interface(s, index, value); |
2791104c | 901 | } |
446ab128 AL |
902 | |
903 | /* The rest are asynchronous */ | |
904 | ||
50b7963e HG |
905 | if (length > sizeof(dev->data_buf)) { |
906 | fprintf(stderr, "husb: ctrl buffer too small (%d > %zu)\n", | |
907 | length, sizeof(dev->data_buf)); | |
b2e3b6e9 | 908 | return USB_RET_STALL; |
c4c0e236 JP |
909 | } |
910 | ||
7a8fc83f | 911 | aurb = async_alloc(s); |
446ab128 AL |
912 | aurb->packet = p; |
913 | ||
2791104c | 914 | /* |
446ab128 AL |
915 | * Setup ctrl transfer. |
916 | * | |
a0102082 | 917 | * s->ctrl is laid out such that data buffer immediately follows |
446ab128 | 918 | * 'req' struct which is exactly what usbdevfs expects. |
2791104c | 919 | */ |
446ab128 AL |
920 | urb = &aurb->urb; |
921 | ||
922 | urb->type = USBDEVFS_URB_TYPE_CONTROL; | |
923 | urb->endpoint = p->devep; | |
924 | ||
50b7963e HG |
925 | urb->buffer = &dev->setup_buf; |
926 | urb->buffer_length = length + 8; | |
446ab128 AL |
927 | |
928 | urb->usercontext = s; | |
929 | ||
e6a2f500 GH |
930 | trace_usb_host_urb_submit(s->bus_num, s->addr, aurb, |
931 | urb->buffer_length, aurb->more); | |
446ab128 AL |
932 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
933 | ||
d0f2c4c6 | 934 | DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb); |
446ab128 AL |
935 | |
936 | if (ret < 0) { | |
d0f2c4c6 | 937 | DPRINTF("husb: submit failed. errno %d\n", errno); |
446ab128 AL |
938 | async_free(aurb); |
939 | ||
940 | switch(errno) { | |
941 | case ETIMEDOUT: | |
942 | return USB_RET_NAK; | |
943 | case EPIPE: | |
944 | default: | |
945 | return USB_RET_STALL; | |
946 | } | |
947 | } | |
948 | ||
446ab128 AL |
949 | return USB_RET_ASYNC; |
950 | } | |
951 | ||
ed3a328d HG |
952 | static uint8_t usb_linux_get_alt_setting(USBHostDevice *s, |
953 | uint8_t configuration, uint8_t interface) | |
954 | { | |
955 | uint8_t alt_setting; | |
956 | struct usb_ctrltransfer ct; | |
957 | int ret; | |
958 | ||
c43831fb HG |
959 | if (usb_fs_type == USB_FS_SYS) { |
960 | char device_name[64], line[1024]; | |
961 | int alt_setting; | |
962 | ||
5557d820 | 963 | sprintf(device_name, "%d-%s:%d.%d", s->bus_num, s->port, |
c43831fb HG |
964 | (int)configuration, (int)interface); |
965 | ||
966 | if (!usb_host_read_file(line, sizeof(line), "bAlternateSetting", | |
967 | device_name)) { | |
968 | goto usbdevfs; | |
969 | } | |
970 | if (sscanf(line, "%d", &alt_setting) != 1) { | |
971 | goto usbdevfs; | |
972 | } | |
973 | return alt_setting; | |
974 | } | |
975 | ||
976 | usbdevfs: | |
ed3a328d HG |
977 | ct.bRequestType = USB_DIR_IN | USB_RECIP_INTERFACE; |
978 | ct.bRequest = USB_REQ_GET_INTERFACE; | |
979 | ct.wValue = 0; | |
980 | ct.wIndex = interface; | |
981 | ct.wLength = 1; | |
982 | ct.data = &alt_setting; | |
983 | ct.timeout = 50; | |
984 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); | |
985 | if (ret < 0) { | |
986 | /* Assume alt 0 on error */ | |
987 | return 0; | |
988 | } | |
989 | ||
990 | return alt_setting; | |
991 | } | |
992 | ||
71d71bbd HG |
993 | /* returns 1 on problem encountered or 0 for success */ |
994 | static int usb_linux_update_endp_table(USBHostDevice *s) | |
995 | { | |
996 | uint8_t *descriptors; | |
eb7700bb | 997 | uint8_t devep, type, alt_interface; |
ed3a328d | 998 | int interface, length, i; |
71d71bbd | 999 | |
a0b5fece HG |
1000 | for (i = 0; i < MAX_ENDPOINTS; i++) |
1001 | s->endp_table[i].type = INVALID_EP_TYPE; | |
1002 | ||
eb7700bb GH |
1003 | if (s->configuration == 0) { |
1004 | /* not configured yet -- leave all endpoints disabled */ | |
1005 | return 0; | |
1006 | } | |
71d71bbd | 1007 | |
b9dc033c AZ |
1008 | /* get the desired configuration, interface, and endpoint descriptors |
1009 | * from device description */ | |
1010 | descriptors = &s->descr[18]; | |
1011 | length = s->descr_len - 18; | |
1012 | i = 0; | |
1013 | ||
1014 | if (descriptors[i + 1] != USB_DT_CONFIG || | |
eb7700bb GH |
1015 | descriptors[i + 5] != s->configuration) { |
1016 | fprintf(stderr, "invalid descriptor data - configuration %d\n", | |
1017 | s->configuration); | |
b9dc033c AZ |
1018 | return 1; |
1019 | } | |
1020 | i += descriptors[i]; | |
1021 | ||
1022 | while (i < length) { | |
1023 | if (descriptors[i + 1] != USB_DT_INTERFACE || | |
1024 | (descriptors[i + 1] == USB_DT_INTERFACE && | |
1025 | descriptors[i + 4] == 0)) { | |
1026 | i += descriptors[i]; | |
1027 | continue; | |
1028 | } | |
1029 | ||
1030 | interface = descriptors[i + 2]; | |
eb7700bb GH |
1031 | alt_interface = usb_linux_get_alt_setting(s, s->configuration, |
1032 | interface); | |
b9dc033c AZ |
1033 | |
1034 | /* the current interface descriptor is the active interface | |
1035 | * and has endpoints */ | |
1036 | if (descriptors[i + 3] != alt_interface) { | |
1037 | i += descriptors[i]; | |
1038 | continue; | |
1039 | } | |
1040 | ||
1041 | /* advance to the endpoints */ | |
2791104c | 1042 | while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) { |
b9dc033c | 1043 | i += descriptors[i]; |
2791104c | 1044 | } |
b9dc033c AZ |
1045 | |
1046 | if (i >= length) | |
1047 | break; | |
1048 | ||
1049 | while (i < length) { | |
2791104c | 1050 | if (descriptors[i + 1] != USB_DT_ENDPOINT) { |
b9dc033c | 1051 | break; |
2791104c | 1052 | } |
b9dc033c AZ |
1053 | |
1054 | devep = descriptors[i + 2]; | |
130314f8 HG |
1055 | if ((devep & 0x0f) == 0) { |
1056 | fprintf(stderr, "usb-linux: invalid ep descriptor, ep == 0\n"); | |
1057 | return 1; | |
1058 | } | |
1059 | ||
b9dc033c AZ |
1060 | switch (descriptors[i + 3] & 0x3) { |
1061 | case 0x00: | |
1062 | type = USBDEVFS_URB_TYPE_CONTROL; | |
1063 | break; | |
1064 | case 0x01: | |
1065 | type = USBDEVFS_URB_TYPE_ISO; | |
6dfcdccb | 1066 | set_max_packet_size(s, (devep & 0xf), descriptors + i); |
b9dc033c AZ |
1067 | break; |
1068 | case 0x02: | |
1069 | type = USBDEVFS_URB_TYPE_BULK; | |
1070 | break; | |
1071 | case 0x03: | |
1072 | type = USBDEVFS_URB_TYPE_INTERRUPT; | |
1073 | break; | |
ddbda432 AL |
1074 | default: |
1075 | DPRINTF("usb_host: malformed endpoint type\n"); | |
1076 | type = USBDEVFS_URB_TYPE_BULK; | |
b9dc033c AZ |
1077 | } |
1078 | s->endp_table[(devep & 0xf) - 1].type = type; | |
64838171 | 1079 | s->endp_table[(devep & 0xf) - 1].halted = 0; |
b9dc033c AZ |
1080 | |
1081 | i += descriptors[i]; | |
1082 | } | |
1083 | } | |
1084 | return 0; | |
1085 | } | |
1086 | ||
e4b17767 HG |
1087 | /* |
1088 | * Check if we can safely redirect a usb2 device to a usb1 virtual controller, | |
1089 | * this function assumes this is safe, if: | |
1090 | * 1) There are no isoc endpoints | |
1091 | * 2) There are no interrupt endpoints with a max_packet_size > 64 | |
1092 | * Note bulk endpoints with a max_packet_size > 64 in theory also are not | |
1093 | * usb1 compatible, but in practice this seems to work fine. | |
1094 | */ | |
1095 | static int usb_linux_full_speed_compat(USBHostDevice *dev) | |
1096 | { | |
1097 | int i, packet_size; | |
1098 | ||
1099 | /* | |
1100 | * usb_linux_update_endp_table only registers info about ep in the current | |
1101 | * interface altsettings, so we need to parse the descriptors again. | |
1102 | */ | |
1103 | for (i = 0; (i + 5) < dev->descr_len; i += dev->descr[i]) { | |
1104 | if (dev->descr[i + 1] == USB_DT_ENDPOINT) { | |
1105 | switch (dev->descr[i + 3] & 0x3) { | |
1106 | case 0x00: /* CONTROL */ | |
1107 | break; | |
1108 | case 0x01: /* ISO */ | |
1109 | return 0; | |
1110 | case 0x02: /* BULK */ | |
1111 | break; | |
1112 | case 0x03: /* INTERRUPT */ | |
1113 | packet_size = dev->descr[i + 4] + (dev->descr[i + 5] << 8); | |
1114 | if (packet_size > 64) | |
1115 | return 0; | |
1116 | break; | |
1117 | } | |
1118 | } | |
1119 | } | |
1120 | return 1; | |
1121 | } | |
1122 | ||
26a9e82a | 1123 | static int usb_host_open(USBHostDevice *dev, int bus_num, |
3991c35e | 1124 | int addr, char *port, const char *prod_name, int speed) |
bb36d470 | 1125 | { |
b9dc033c | 1126 | int fd = -1, ret; |
a594cfbf | 1127 | char buf[1024]; |
1f3870ab | 1128 | |
e6a2f500 GH |
1129 | trace_usb_host_open_started(bus_num, addr); |
1130 | ||
2791104c | 1131 | if (dev->fd != -1) { |
26a9e82a | 1132 | goto fail; |
2791104c | 1133 | } |
3b46e624 | 1134 | |
0f431527 AL |
1135 | if (!usb_host_device_path) { |
1136 | perror("husb: USB Host Device Path not set"); | |
1137 | goto fail; | |
1138 | } | |
1139 | snprintf(buf, sizeof(buf), "%s/%03d/%03d", usb_host_device_path, | |
a594cfbf | 1140 | bus_num, addr); |
b9dc033c | 1141 | fd = open(buf, O_RDWR | O_NONBLOCK); |
bb36d470 | 1142 | if (fd < 0) { |
a594cfbf | 1143 | perror(buf); |
1f3870ab | 1144 | goto fail; |
bb36d470 | 1145 | } |
d0f2c4c6 | 1146 | DPRINTF("husb: opened %s\n", buf); |
bb36d470 | 1147 | |
806b6024 GH |
1148 | dev->bus_num = bus_num; |
1149 | dev->addr = addr; | |
5557d820 | 1150 | strcpy(dev->port, port); |
22f84e73 | 1151 | dev->fd = fd; |
806b6024 | 1152 | |
b9dc033c AZ |
1153 | /* read the device description */ |
1154 | dev->descr_len = read(fd, dev->descr, sizeof(dev->descr)); | |
1155 | if (dev->descr_len <= 0) { | |
64838171 | 1156 | perror("husb: reading device data failed"); |
bb36d470 FB |
1157 | goto fail; |
1158 | } | |
3b46e624 | 1159 | |
b9dc033c | 1160 | #ifdef DEBUG |
868bfe2b | 1161 | { |
b9dc033c AZ |
1162 | int x; |
1163 | printf("=== begin dumping device descriptor data ===\n"); | |
2791104c | 1164 | for (x = 0; x < dev->descr_len; x++) { |
b9dc033c | 1165 | printf("%02x ", dev->descr[x]); |
2791104c | 1166 | } |
b9dc033c | 1167 | printf("\n=== end dumping device descriptor data ===\n"); |
bb36d470 | 1168 | } |
a594cfbf FB |
1169 | #endif |
1170 | ||
b9dc033c | 1171 | |
eb7700bb GH |
1172 | /* start unconfigured -- we'll wait for the guest to set a configuration */ |
1173 | if (!usb_host_claim_interfaces(dev, 0)) { | |
b9dc033c | 1174 | goto fail; |
2791104c | 1175 | } |
bb36d470 | 1176 | |
b9dc033c | 1177 | ret = usb_linux_update_endp_table(dev); |
2791104c | 1178 | if (ret) { |
bb36d470 | 1179 | goto fail; |
2791104c | 1180 | } |
b9dc033c | 1181 | |
3991c35e HG |
1182 | if (speed == -1) { |
1183 | struct usbdevfs_connectinfo ci; | |
1184 | ||
1185 | ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); | |
1186 | if (ret < 0) { | |
1187 | perror("usb_host_device_open: USBDEVFS_CONNECTINFO"); | |
1188 | goto fail; | |
1189 | } | |
1190 | ||
1191 | if (ci.slow) { | |
1192 | speed = USB_SPEED_LOW; | |
1193 | } else { | |
1194 | speed = USB_SPEED_HIGH; | |
1195 | } | |
2791104c | 1196 | } |
3991c35e | 1197 | dev->dev.speed = speed; |
ba3f9bfb | 1198 | dev->dev.speedmask = (1 << speed); |
e4b17767 HG |
1199 | if (dev->dev.speed == USB_SPEED_HIGH && usb_linux_full_speed_compat(dev)) { |
1200 | dev->dev.speedmask |= USB_SPEED_MASK_FULL; | |
1201 | } | |
3991c35e | 1202 | |
e6a2f500 | 1203 | trace_usb_host_open_success(bus_num, addr); |
bb36d470 | 1204 | |
2791104c | 1205 | if (!prod_name || prod_name[0] == '\0') { |
0fe6d12e | 1206 | snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1207 | "host:%d.%d", bus_num, addr); |
2791104c | 1208 | } else { |
0fe6d12e | 1209 | pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1210 | prod_name); |
2791104c | 1211 | } |
1f6e24e7 | 1212 | |
fa19bf83 HG |
1213 | ret = usb_device_attach(&dev->dev); |
1214 | if (ret) { | |
1215 | goto fail; | |
1216 | } | |
1217 | ||
64838171 AL |
1218 | /* USB devio uses 'write' flag to check for async completions */ |
1219 | qemu_set_fd_handler(dev->fd, NULL, async_complete, dev); | |
1f3870ab | 1220 | |
26a9e82a | 1221 | return 0; |
4b096fc9 | 1222 | |
b9dc033c | 1223 | fail: |
e6a2f500 | 1224 | trace_usb_host_open_failure(bus_num, addr); |
1f45a81b GH |
1225 | if (dev->fd != -1) { |
1226 | close(dev->fd); | |
1227 | dev->fd = -1; | |
2791104c | 1228 | } |
26a9e82a GH |
1229 | return -1; |
1230 | } | |
1231 | ||
1232 | static int usb_host_close(USBHostDevice *dev) | |
1233 | { | |
060dc841 HG |
1234 | int i; |
1235 | ||
1f45a81b | 1236 | if (dev->fd == -1 || !dev->dev.attached) { |
26a9e82a | 1237 | return -1; |
2791104c | 1238 | } |
26a9e82a | 1239 | |
e6a2f500 GH |
1240 | trace_usb_host_close(dev->bus_num, dev->addr); |
1241 | ||
26a9e82a GH |
1242 | qemu_set_fd_handler(dev->fd, NULL, NULL, NULL); |
1243 | dev->closing = 1; | |
3a4854b3 | 1244 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
060dc841 HG |
1245 | if (is_isoc(dev, i)) { |
1246 | usb_host_stop_n_free_iso(dev, i); | |
1247 | } | |
1248 | } | |
26a9e82a GH |
1249 | async_complete(dev); |
1250 | dev->closing = 0; | |
1251 | usb_device_detach(&dev->dev); | |
00ff227a | 1252 | ioctl(dev->fd, USBDEVFS_RESET); |
26a9e82a GH |
1253 | close(dev->fd); |
1254 | dev->fd = -1; | |
1255 | return 0; | |
1256 | } | |
1257 | ||
9e8dd451 | 1258 | static void usb_host_exit_notifier(struct Notifier *n, void *data) |
b373a63a SH |
1259 | { |
1260 | USBHostDevice *s = container_of(n, USBHostDevice, exit); | |
1261 | ||
1262 | if (s->fd != -1) { | |
1263 | ioctl(s->fd, USBDEVFS_RESET); | |
1264 | } | |
1265 | } | |
1266 | ||
26a9e82a GH |
1267 | static int usb_host_initfn(USBDevice *dev) |
1268 | { | |
1269 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); | |
1270 | ||
1271 | dev->auto_attach = 0; | |
1272 | s->fd = -1; | |
9516bb47 GH |
1273 | s->hub_fd = -1; |
1274 | ||
26a9e82a | 1275 | QTAILQ_INSERT_TAIL(&hostdevs, s, next); |
b373a63a SH |
1276 | s->exit.notify = usb_host_exit_notifier; |
1277 | qemu_add_exit_notifier(&s->exit); | |
26a9e82a | 1278 | usb_host_auto_check(NULL); |
9516bb47 GH |
1279 | |
1280 | #ifdef USBDEVFS_CLAIM_PORT | |
1281 | if (s->match.bus_num != 0 && s->match.port != NULL) { | |
1282 | char *h, hub_name[64], line[1024]; | |
1283 | int hub_addr, portnr, ret; | |
1284 | ||
1285 | snprintf(hub_name, sizeof(hub_name), "%d-%s", | |
1286 | s->match.bus_num, s->match.port); | |
1287 | ||
1288 | /* try strip off last ".$portnr" to get hub */ | |
1289 | h = strrchr(hub_name, '.'); | |
1290 | if (h != NULL) { | |
1291 | portnr = atoi(h+1); | |
1292 | *h = '\0'; | |
1293 | } else { | |
1294 | /* no dot in there -> it is the root hub */ | |
1295 | snprintf(hub_name, sizeof(hub_name), "usb%d", | |
1296 | s->match.bus_num); | |
1297 | portnr = atoi(s->match.port); | |
1298 | } | |
1299 | ||
1300 | if (!usb_host_read_file(line, sizeof(line), "devnum", | |
1301 | hub_name)) { | |
1302 | goto out; | |
1303 | } | |
1304 | if (sscanf(line, "%d", &hub_addr) != 1) { | |
1305 | goto out; | |
1306 | } | |
1307 | ||
1308 | if (!usb_host_device_path) { | |
1309 | goto out; | |
1310 | } | |
1311 | snprintf(line, sizeof(line), "%s/%03d/%03d", | |
1312 | usb_host_device_path, s->match.bus_num, hub_addr); | |
1313 | s->hub_fd = open(line, O_RDWR | O_NONBLOCK); | |
1314 | if (s->hub_fd < 0) { | |
1315 | goto out; | |
1316 | } | |
1317 | ||
1318 | ret = ioctl(s->hub_fd, USBDEVFS_CLAIM_PORT, &portnr); | |
1319 | if (ret < 0) { | |
1320 | close(s->hub_fd); | |
1321 | s->hub_fd = -1; | |
1322 | goto out; | |
1323 | } | |
1324 | ||
1325 | trace_usb_host_claim_port(s->match.bus_num, hub_addr, portnr); | |
1326 | } | |
1327 | out: | |
1328 | #endif | |
1329 | ||
26a9e82a | 1330 | return 0; |
a594cfbf | 1331 | } |
bb36d470 | 1332 | |
806b6024 | 1333 | static struct USBDeviceInfo usb_host_dev_info = { |
06384698 | 1334 | .product_desc = "USB Host Device", |
556cd098 | 1335 | .qdev.name = "usb-host", |
806b6024 GH |
1336 | .qdev.size = sizeof(USBHostDevice), |
1337 | .init = usb_host_initfn, | |
50b7963e | 1338 | .handle_packet = usb_generic_handle_packet, |
eb5e680a | 1339 | .cancel_packet = usb_host_async_cancel, |
50b7963e HG |
1340 | .handle_data = usb_host_handle_data, |
1341 | .handle_control = usb_host_handle_control, | |
806b6024 | 1342 | .handle_reset = usb_host_handle_reset, |
806b6024 | 1343 | .handle_destroy = usb_host_handle_destroy, |
26a9e82a GH |
1344 | .usbdevice_name = "host", |
1345 | .usbdevice_init = usb_host_device_open, | |
1346 | .qdev.props = (Property[]) { | |
1347 | DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0), | |
1348 | DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0), | |
9056a297 | 1349 | DEFINE_PROP_STRING("hostport", USBHostDevice, match.port), |
26a9e82a GH |
1350 | DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0), |
1351 | DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0), | |
b81bcd8a | 1352 | DEFINE_PROP_UINT32("isobufs", USBHostDevice, iso_urb_count, 4), |
26a9e82a GH |
1353 | DEFINE_PROP_END_OF_LIST(), |
1354 | }, | |
806b6024 GH |
1355 | }; |
1356 | ||
1357 | static void usb_host_register_devices(void) | |
1358 | { | |
1359 | usb_qdev_register(&usb_host_dev_info); | |
1360 | } | |
1361 | device_init(usb_host_register_devices) | |
1362 | ||
4b096fc9 AL |
1363 | USBDevice *usb_host_device_open(const char *devname) |
1364 | { | |
0745eb1e | 1365 | struct USBAutoFilter filter; |
26a9e82a | 1366 | USBDevice *dev; |
26a9e82a GH |
1367 | char *p; |
1368 | ||
556cd098 | 1369 | dev = usb_create(NULL /* FIXME */, "usb-host"); |
4b096fc9 | 1370 | |
5d0c5750 | 1371 | if (strstr(devname, "auto:")) { |
2791104c | 1372 | if (parse_filter(devname, &filter) < 0) { |
26a9e82a | 1373 | goto fail; |
2791104c | 1374 | } |
26a9e82a GH |
1375 | } else { |
1376 | if ((p = strchr(devname, '.'))) { | |
0745eb1e MA |
1377 | filter.bus_num = strtoul(devname, NULL, 0); |
1378 | filter.addr = strtoul(p + 1, NULL, 0); | |
1379 | filter.vendor_id = 0; | |
1380 | filter.product_id = 0; | |
26a9e82a | 1381 | } else if ((p = strchr(devname, ':'))) { |
0745eb1e MA |
1382 | filter.bus_num = 0; |
1383 | filter.addr = 0; | |
26a9e82a | 1384 | filter.vendor_id = strtoul(devname, NULL, 16); |
0745eb1e | 1385 | filter.product_id = strtoul(p + 1, NULL, 16); |
26a9e82a GH |
1386 | } else { |
1387 | goto fail; | |
1388 | } | |
5d0c5750 | 1389 | } |
4b096fc9 | 1390 | |
0745eb1e MA |
1391 | qdev_prop_set_uint32(&dev->qdev, "hostbus", filter.bus_num); |
1392 | qdev_prop_set_uint32(&dev->qdev, "hostaddr", filter.addr); | |
26a9e82a GH |
1393 | qdev_prop_set_uint32(&dev->qdev, "vendorid", filter.vendor_id); |
1394 | qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id); | |
beb6f0de | 1395 | qdev_init_nofail(&dev->qdev); |
26a9e82a | 1396 | return dev; |
5d0c5750 | 1397 | |
26a9e82a GH |
1398 | fail: |
1399 | qdev_free(&dev->qdev); | |
1400 | return NULL; | |
4b096fc9 | 1401 | } |
5d0c5750 AL |
1402 | |
1403 | int usb_host_device_close(const char *devname) | |
1404 | { | |
26a9e82a | 1405 | #if 0 |
5d0c5750 AL |
1406 | char product_name[PRODUCT_NAME_SZ]; |
1407 | int bus_num, addr; | |
1408 | USBHostDevice *s; | |
1409 | ||
2791104c | 1410 | if (strstr(devname, "auto:")) { |
5d0c5750 | 1411 | return usb_host_auto_del(devname); |
2791104c DA |
1412 | } |
1413 | if (usb_host_find_device(&bus_num, &addr, product_name, | |
1414 | sizeof(product_name), devname) < 0) { | |
5d0c5750 | 1415 | return -1; |
2791104c | 1416 | } |
5d0c5750 AL |
1417 | s = hostdev_find(bus_num, addr); |
1418 | if (s) { | |
a5d2f727 | 1419 | usb_device_delete_addr(s->bus_num, s->dev.addr); |
5d0c5750 AL |
1420 | return 0; |
1421 | } | |
26a9e82a | 1422 | #endif |
5d0c5750 AL |
1423 | |
1424 | return -1; | |
1425 | } | |
a5d2f727 | 1426 | |
a594cfbf | 1427 | static int get_tag_value(char *buf, int buf_size, |
5fafdf24 | 1428 | const char *str, const char *tag, |
a594cfbf FB |
1429 | const char *stopchars) |
1430 | { | |
1431 | const char *p; | |
1432 | char *q; | |
1433 | p = strstr(str, tag); | |
2791104c | 1434 | if (!p) { |
a594cfbf | 1435 | return -1; |
2791104c | 1436 | } |
a594cfbf | 1437 | p += strlen(tag); |
2791104c | 1438 | while (qemu_isspace(*p)) { |
a594cfbf | 1439 | p++; |
2791104c | 1440 | } |
a594cfbf FB |
1441 | q = buf; |
1442 | while (*p != '\0' && !strchr(stopchars, *p)) { | |
2791104c | 1443 | if ((q - buf) < (buf_size - 1)) { |
a594cfbf | 1444 | *q++ = *p; |
2791104c | 1445 | } |
a594cfbf FB |
1446 | p++; |
1447 | } | |
1448 | *q = '\0'; | |
1449 | return q - buf; | |
bb36d470 FB |
1450 | } |
1451 | ||
0f431527 AL |
1452 | /* |
1453 | * Use /proc/bus/usb/devices or /dev/bus/usb/devices file to determine | |
1454 | * host's USB devices. This is legacy support since many distributions | |
1455 | * are moving to /sys/bus/usb | |
1456 | */ | |
1457 | static int usb_host_scan_dev(void *opaque, USBScanFunc *func) | |
bb36d470 | 1458 | { |
660f11be | 1459 | FILE *f = NULL; |
a594cfbf | 1460 | char line[1024]; |
bb36d470 | 1461 | char buf[1024]; |
a594cfbf | 1462 | int bus_num, addr, speed, device_count, class_id, product_id, vendor_id; |
a594cfbf | 1463 | char product_name[512]; |
0f431527 | 1464 | int ret = 0; |
3b46e624 | 1465 | |
0f431527 AL |
1466 | if (!usb_host_device_path) { |
1467 | perror("husb: USB Host Device Path not set"); | |
1468 | goto the_end; | |
1469 | } | |
1470 | snprintf(line, sizeof(line), "%s/devices", usb_host_device_path); | |
1471 | f = fopen(line, "r"); | |
a594cfbf | 1472 | if (!f) { |
0f431527 AL |
1473 | perror("husb: cannot open devices file"); |
1474 | goto the_end; | |
a594cfbf | 1475 | } |
0f431527 | 1476 | |
a594cfbf | 1477 | device_count = 0; |
3991c35e HG |
1478 | bus_num = addr = class_id = product_id = vendor_id = 0; |
1479 | speed = -1; /* Can't get the speed from /[proc|dev]/bus/usb/devices */ | |
bb36d470 | 1480 | for(;;) { |
2791104c | 1481 | if (fgets(line, sizeof(line), f) == NULL) { |
bb36d470 | 1482 | break; |
2791104c DA |
1483 | } |
1484 | if (strlen(line) > 0) { | |
a594cfbf | 1485 | line[strlen(line) - 1] = '\0'; |
2791104c | 1486 | } |
a594cfbf | 1487 | if (line[0] == 'T' && line[1] == ':') { |
38ca0f6d PB |
1488 | if (device_count && (vendor_id || product_id)) { |
1489 | /* New device. Add the previously discovered device. */ | |
0f5160d1 | 1490 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1491 | product_id, product_name, speed); |
2791104c | 1492 | if (ret) { |
a594cfbf | 1493 | goto the_end; |
2791104c | 1494 | } |
a594cfbf | 1495 | } |
2791104c | 1496 | if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) { |
a594cfbf | 1497 | goto fail; |
2791104c | 1498 | } |
a594cfbf | 1499 | bus_num = atoi(buf); |
2791104c | 1500 | if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) { |
a594cfbf | 1501 | goto fail; |
2791104c | 1502 | } |
a594cfbf | 1503 | addr = atoi(buf); |
2791104c | 1504 | if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) { |
a594cfbf | 1505 | goto fail; |
2791104c | 1506 | } |
f264cfbf HG |
1507 | if (!strcmp(buf, "5000")) { |
1508 | speed = USB_SPEED_SUPER; | |
1509 | } else if (!strcmp(buf, "480")) { | |
a594cfbf | 1510 | speed = USB_SPEED_HIGH; |
2791104c | 1511 | } else if (!strcmp(buf, "1.5")) { |
a594cfbf | 1512 | speed = USB_SPEED_LOW; |
2791104c | 1513 | } else { |
a594cfbf | 1514 | speed = USB_SPEED_FULL; |
2791104c | 1515 | } |
a594cfbf FB |
1516 | product_name[0] = '\0'; |
1517 | class_id = 0xff; | |
1518 | device_count++; | |
1519 | product_id = 0; | |
1520 | vendor_id = 0; | |
1521 | } else if (line[0] == 'P' && line[1] == ':') { | |
2791104c | 1522 | if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) { |
a594cfbf | 1523 | goto fail; |
2791104c | 1524 | } |
a594cfbf | 1525 | vendor_id = strtoul(buf, NULL, 16); |
2791104c | 1526 | if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) { |
a594cfbf | 1527 | goto fail; |
2791104c | 1528 | } |
a594cfbf FB |
1529 | product_id = strtoul(buf, NULL, 16); |
1530 | } else if (line[0] == 'S' && line[1] == ':') { | |
2791104c | 1531 | if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) { |
a594cfbf | 1532 | goto fail; |
2791104c | 1533 | } |
a594cfbf FB |
1534 | pstrcpy(product_name, sizeof(product_name), buf); |
1535 | } else if (line[0] == 'D' && line[1] == ':') { | |
2791104c | 1536 | if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) { |
a594cfbf | 1537 | goto fail; |
2791104c | 1538 | } |
a594cfbf | 1539 | class_id = strtoul(buf, NULL, 16); |
bb36d470 | 1540 | } |
a594cfbf FB |
1541 | fail: ; |
1542 | } | |
38ca0f6d PB |
1543 | if (device_count && (vendor_id || product_id)) { |
1544 | /* Add the last device. */ | |
0f5160d1 | 1545 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1546 | product_id, product_name, speed); |
bb36d470 | 1547 | } |
a594cfbf | 1548 | the_end: |
2791104c | 1549 | if (f) { |
0f431527 | 1550 | fclose(f); |
2791104c | 1551 | } |
0f431527 AL |
1552 | return ret; |
1553 | } | |
1554 | ||
1555 | /* | |
1556 | * Read sys file-system device file | |
1557 | * | |
1558 | * @line address of buffer to put file contents in | |
1559 | * @line_size size of line | |
1560 | * @device_file path to device file (printf format string) | |
1561 | * @device_name device being opened (inserted into device_file) | |
1562 | * | |
1563 | * @return 0 failed, 1 succeeded ('line' contains data) | |
1564 | */ | |
2791104c DA |
1565 | static int usb_host_read_file(char *line, size_t line_size, |
1566 | const char *device_file, const char *device_name) | |
0f431527 AL |
1567 | { |
1568 | FILE *f; | |
1569 | int ret = 0; | |
1570 | char filename[PATH_MAX]; | |
1571 | ||
b4e237aa BS |
1572 | snprintf(filename, PATH_MAX, USBSYSBUS_PATH "/devices/%s/%s", device_name, |
1573 | device_file); | |
0f431527 AL |
1574 | f = fopen(filename, "r"); |
1575 | if (f) { | |
9f99cee7 | 1576 | ret = fgets(line, line_size, f) != NULL; |
0f431527 | 1577 | fclose(f); |
0f431527 AL |
1578 | } |
1579 | ||
1580 | return ret; | |
1581 | } | |
1582 | ||
1583 | /* | |
1584 | * Use /sys/bus/usb/devices/ directory to determine host's USB | |
1585 | * devices. | |
1586 | * | |
1587 | * This code is based on Robert Schiele's original patches posted to | |
1588 | * the Novell bug-tracker https://bugzilla.novell.com/show_bug.cgi?id=241950 | |
1589 | */ | |
1590 | static int usb_host_scan_sys(void *opaque, USBScanFunc *func) | |
1591 | { | |
660f11be | 1592 | DIR *dir = NULL; |
0f431527 | 1593 | char line[1024]; |
5557d820 | 1594 | int bus_num, addr, speed, class_id, product_id, vendor_id; |
0f431527 | 1595 | int ret = 0; |
5557d820 | 1596 | char port[MAX_PORTLEN]; |
0f431527 AL |
1597 | char product_name[512]; |
1598 | struct dirent *de; | |
1599 | ||
1600 | dir = opendir(USBSYSBUS_PATH "/devices"); | |
1601 | if (!dir) { | |
1602 | perror("husb: cannot open devices directory"); | |
1603 | goto the_end; | |
1604 | } | |
1605 | ||
1606 | while ((de = readdir(dir))) { | |
1607 | if (de->d_name[0] != '.' && !strchr(de->d_name, ':')) { | |
5557d820 GH |
1608 | if (sscanf(de->d_name, "%d-%7[0-9.]", &bus_num, port) < 2) { |
1609 | continue; | |
0f5160d1 | 1610 | } |
0f431527 | 1611 | |
2791104c | 1612 | if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name)) { |
0f431527 | 1613 | goto the_end; |
2791104c DA |
1614 | } |
1615 | if (sscanf(line, "%d", &addr) != 1) { | |
0f431527 | 1616 | goto the_end; |
2791104c | 1617 | } |
b4e237aa | 1618 | if (!usb_host_read_file(line, sizeof(line), "bDeviceClass", |
2791104c | 1619 | de->d_name)) { |
0f431527 | 1620 | goto the_end; |
2791104c DA |
1621 | } |
1622 | if (sscanf(line, "%x", &class_id) != 1) { | |
0f431527 | 1623 | goto the_end; |
2791104c | 1624 | } |
0f431527 | 1625 | |
2791104c DA |
1626 | if (!usb_host_read_file(line, sizeof(line), "idVendor", |
1627 | de->d_name)) { | |
0f431527 | 1628 | goto the_end; |
2791104c DA |
1629 | } |
1630 | if (sscanf(line, "%x", &vendor_id) != 1) { | |
0f431527 | 1631 | goto the_end; |
2791104c | 1632 | } |
b4e237aa | 1633 | if (!usb_host_read_file(line, sizeof(line), "idProduct", |
2791104c | 1634 | de->d_name)) { |
0f431527 | 1635 | goto the_end; |
2791104c DA |
1636 | } |
1637 | if (sscanf(line, "%x", &product_id) != 1) { | |
0f431527 | 1638 | goto the_end; |
2791104c | 1639 | } |
b4e237aa BS |
1640 | if (!usb_host_read_file(line, sizeof(line), "product", |
1641 | de->d_name)) { | |
0f431527 AL |
1642 | *product_name = 0; |
1643 | } else { | |
2791104c | 1644 | if (strlen(line) > 0) { |
0f431527 | 1645 | line[strlen(line) - 1] = '\0'; |
2791104c | 1646 | } |
0f431527 AL |
1647 | pstrcpy(product_name, sizeof(product_name), line); |
1648 | } | |
1649 | ||
2791104c | 1650 | if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) { |
0f431527 | 1651 | goto the_end; |
2791104c | 1652 | } |
f264cfbf HG |
1653 | if (!strcmp(line, "5000\n")) { |
1654 | speed = USB_SPEED_SUPER; | |
1655 | } else if (!strcmp(line, "480\n")) { | |
0f431527 | 1656 | speed = USB_SPEED_HIGH; |
2791104c | 1657 | } else if (!strcmp(line, "1.5\n")) { |
0f431527 | 1658 | speed = USB_SPEED_LOW; |
2791104c | 1659 | } else { |
0f431527 | 1660 | speed = USB_SPEED_FULL; |
2791104c | 1661 | } |
0f431527 | 1662 | |
5557d820 | 1663 | ret = func(opaque, bus_num, addr, port, class_id, vendor_id, |
0f431527 | 1664 | product_id, product_name, speed); |
2791104c | 1665 | if (ret) { |
0f431527 | 1666 | goto the_end; |
2791104c | 1667 | } |
0f431527 AL |
1668 | } |
1669 | } | |
1670 | the_end: | |
2791104c | 1671 | if (dir) { |
0f431527 | 1672 | closedir(dir); |
2791104c | 1673 | } |
0f431527 AL |
1674 | return ret; |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * Determine how to access the host's USB devices and call the | |
1679 | * specific support function. | |
1680 | */ | |
1681 | static int usb_host_scan(void *opaque, USBScanFunc *func) | |
1682 | { | |
376253ec | 1683 | Monitor *mon = cur_mon; |
660f11be BS |
1684 | FILE *f = NULL; |
1685 | DIR *dir = NULL; | |
0f431527 | 1686 | int ret = 0; |
0f431527 AL |
1687 | const char *fs_type[] = {"unknown", "proc", "dev", "sys"}; |
1688 | char devpath[PATH_MAX]; | |
1689 | ||
1690 | /* only check the host once */ | |
1691 | if (!usb_fs_type) { | |
55496240 MM |
1692 | dir = opendir(USBSYSBUS_PATH "/devices"); |
1693 | if (dir) { | |
1694 | /* devices found in /dev/bus/usb/ (yes - not a mistake!) */ | |
1695 | strcpy(devpath, USBDEVBUS_PATH); | |
1696 | usb_fs_type = USB_FS_SYS; | |
1697 | closedir(dir); | |
d0f2c4c6 | 1698 | DPRINTF(USBDBG_DEVOPENED, USBSYSBUS_PATH); |
55496240 MM |
1699 | goto found_devices; |
1700 | } | |
0f431527 AL |
1701 | f = fopen(USBPROCBUS_PATH "/devices", "r"); |
1702 | if (f) { | |
1703 | /* devices found in /proc/bus/usb/ */ | |
1704 | strcpy(devpath, USBPROCBUS_PATH); | |
1705 | usb_fs_type = USB_FS_PROC; | |
1706 | fclose(f); | |
d0f2c4c6 | 1707 | DPRINTF(USBDBG_DEVOPENED, USBPROCBUS_PATH); |
f16a0db3 | 1708 | goto found_devices; |
0f431527 AL |
1709 | } |
1710 | /* try additional methods if an access method hasn't been found yet */ | |
1711 | f = fopen(USBDEVBUS_PATH "/devices", "r"); | |
f16a0db3 | 1712 | if (f) { |
0f431527 AL |
1713 | /* devices found in /dev/bus/usb/ */ |
1714 | strcpy(devpath, USBDEVBUS_PATH); | |
1715 | usb_fs_type = USB_FS_DEV; | |
1716 | fclose(f); | |
d0f2c4c6 | 1717 | DPRINTF(USBDBG_DEVOPENED, USBDEVBUS_PATH); |
f16a0db3 | 1718 | goto found_devices; |
0f431527 | 1719 | } |
f16a0db3 | 1720 | found_devices: |
22babebb | 1721 | if (!usb_fs_type) { |
2791104c | 1722 | if (mon) { |
eba6fe87 | 1723 | monitor_printf(mon, "husb: unable to access USB devices\n"); |
2791104c | 1724 | } |
f16a0db3 | 1725 | return -ENOENT; |
0f431527 AL |
1726 | } |
1727 | ||
1728 | /* the module setting (used later for opening devices) */ | |
7267c094 | 1729 | usb_host_device_path = g_malloc0(strlen(devpath)+1); |
1eec614b | 1730 | strcpy(usb_host_device_path, devpath); |
2791104c | 1731 | if (mon) { |
eba6fe87 GH |
1732 | monitor_printf(mon, "husb: using %s file-system with %s\n", |
1733 | fs_type[usb_fs_type], usb_host_device_path); | |
2791104c | 1734 | } |
0f431527 AL |
1735 | } |
1736 | ||
1737 | switch (usb_fs_type) { | |
1738 | case USB_FS_PROC: | |
1739 | case USB_FS_DEV: | |
1740 | ret = usb_host_scan_dev(opaque, func); | |
1741 | break; | |
1742 | case USB_FS_SYS: | |
1743 | ret = usb_host_scan_sys(opaque, func); | |
1744 | break; | |
f16a0db3 AL |
1745 | default: |
1746 | ret = -EINVAL; | |
1747 | break; | |
0f431527 | 1748 | } |
a594cfbf | 1749 | return ret; |
bb36d470 FB |
1750 | } |
1751 | ||
4b096fc9 | 1752 | static QEMUTimer *usb_auto_timer; |
4b096fc9 | 1753 | |
5557d820 | 1754 | static int usb_host_auto_scan(void *opaque, int bus_num, int addr, char *port, |
26a9e82a GH |
1755 | int class_id, int vendor_id, int product_id, |
1756 | const char *product_name, int speed) | |
4b096fc9 AL |
1757 | { |
1758 | struct USBAutoFilter *f; | |
26a9e82a | 1759 | struct USBHostDevice *s; |
4b096fc9 AL |
1760 | |
1761 | /* Ignore hubs */ | |
1762 | if (class_id == 9) | |
1763 | return 0; | |
1764 | ||
26a9e82a GH |
1765 | QTAILQ_FOREACH(s, &hostdevs, next) { |
1766 | f = &s->match; | |
1767 | ||
2791104c | 1768 | if (f->bus_num > 0 && f->bus_num != bus_num) { |
4b096fc9 | 1769 | continue; |
2791104c DA |
1770 | } |
1771 | if (f->addr > 0 && f->addr != addr) { | |
4b096fc9 | 1772 | continue; |
2791104c | 1773 | } |
9056a297 GH |
1774 | if (f->port != NULL && (port == NULL || strcmp(f->port, port) != 0)) { |
1775 | continue; | |
1776 | } | |
4b096fc9 | 1777 | |
2791104c | 1778 | if (f->vendor_id > 0 && f->vendor_id != vendor_id) { |
4b096fc9 | 1779 | continue; |
2791104c | 1780 | } |
4b096fc9 | 1781 | |
2791104c | 1782 | if (f->product_id > 0 && f->product_id != product_id) { |
4b096fc9 | 1783 | continue; |
2791104c | 1784 | } |
4b096fc9 | 1785 | /* We got a match */ |
3ee886c5 GH |
1786 | s->seen++; |
1787 | if (s->errcount >= 3) { | |
1788 | return 0; | |
1789 | } | |
4b096fc9 | 1790 | |
33e66b86 | 1791 | /* Already attached ? */ |
2791104c | 1792 | if (s->fd != -1) { |
4b096fc9 | 1793 | return 0; |
2791104c | 1794 | } |
d0f2c4c6 | 1795 | DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr); |
4b096fc9 | 1796 | |
3ee886c5 GH |
1797 | if (usb_host_open(s, bus_num, addr, port, product_name, speed) < 0) { |
1798 | s->errcount++; | |
1799 | } | |
97f86166 | 1800 | break; |
4b096fc9 AL |
1801 | } |
1802 | ||
1803 | return 0; | |
1804 | } | |
1805 | ||
26a9e82a | 1806 | static void usb_host_auto_check(void *unused) |
4b096fc9 | 1807 | { |
26a9e82a GH |
1808 | struct USBHostDevice *s; |
1809 | int unconnected = 0; | |
1810 | ||
4b096fc9 | 1811 | usb_host_scan(NULL, usb_host_auto_scan); |
26a9e82a GH |
1812 | |
1813 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
2791104c | 1814 | if (s->fd == -1) { |
26a9e82a | 1815 | unconnected++; |
2791104c | 1816 | } |
3ee886c5 GH |
1817 | if (s->seen == 0) { |
1818 | s->errcount = 0; | |
1819 | } | |
1820 | s->seen = 0; | |
26a9e82a GH |
1821 | } |
1822 | ||
1823 | if (unconnected == 0) { | |
1824 | /* nothing to watch */ | |
2791104c | 1825 | if (usb_auto_timer) { |
26a9e82a | 1826 | qemu_del_timer(usb_auto_timer); |
e6a2f500 | 1827 | trace_usb_host_auto_scan_disabled(); |
2791104c | 1828 | } |
26a9e82a GH |
1829 | return; |
1830 | } | |
1831 | ||
1832 | if (!usb_auto_timer) { | |
7bd427d8 | 1833 | usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL); |
2791104c | 1834 | if (!usb_auto_timer) { |
26a9e82a | 1835 | return; |
2791104c | 1836 | } |
e6a2f500 | 1837 | trace_usb_host_auto_scan_enabled(); |
26a9e82a | 1838 | } |
7bd427d8 | 1839 | qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000); |
4b096fc9 AL |
1840 | } |
1841 | ||
1842 | /* | |
5d0c5750 AL |
1843 | * Autoconnect filter |
1844 | * Format: | |
1845 | * auto:bus:dev[:vid:pid] | |
1846 | * auto:bus.dev[:vid:pid] | |
1847 | * | |
1848 | * bus - bus number (dec, * means any) | |
1849 | * dev - device number (dec, * means any) | |
1850 | * vid - vendor id (hex, * means any) | |
1851 | * pid - product id (hex, * means any) | |
1852 | * | |
1853 | * See 'lsusb' output. | |
4b096fc9 | 1854 | */ |
5d0c5750 | 1855 | static int parse_filter(const char *spec, struct USBAutoFilter *f) |
4b096fc9 | 1856 | { |
5d0c5750 AL |
1857 | enum { BUS, DEV, VID, PID, DONE }; |
1858 | const char *p = spec; | |
1859 | int i; | |
1860 | ||
0745eb1e MA |
1861 | f->bus_num = 0; |
1862 | f->addr = 0; | |
1863 | f->vendor_id = 0; | |
1864 | f->product_id = 0; | |
5d0c5750 AL |
1865 | |
1866 | for (i = BUS; i < DONE; i++) { | |
2791104c DA |
1867 | p = strpbrk(p, ":."); |
1868 | if (!p) { | |
1869 | break; | |
1870 | } | |
5d0c5750 | 1871 | p++; |
5d0c5750 | 1872 | |
2791104c DA |
1873 | if (*p == '*') { |
1874 | continue; | |
1875 | } | |
5d0c5750 AL |
1876 | switch(i) { |
1877 | case BUS: f->bus_num = strtol(p, NULL, 10); break; | |
1878 | case DEV: f->addr = strtol(p, NULL, 10); break; | |
1879 | case VID: f->vendor_id = strtol(p, NULL, 16); break; | |
1880 | case PID: f->product_id = strtol(p, NULL, 16); break; | |
1881 | } | |
1882 | } | |
1883 | ||
1884 | if (i < DEV) { | |
1885 | fprintf(stderr, "husb: invalid auto filter spec %s\n", spec); | |
1886 | return -1; | |
1887 | } | |
1888 | ||
1889 | return 0; | |
1890 | } | |
1891 | ||
a594cfbf FB |
1892 | /**********************/ |
1893 | /* USB host device info */ | |
1894 | ||
1895 | struct usb_class_info { | |
1896 | int class; | |
1897 | const char *class_name; | |
1898 | }; | |
1899 | ||
1900 | static const struct usb_class_info usb_class_info[] = { | |
1901 | { USB_CLASS_AUDIO, "Audio"}, | |
1902 | { USB_CLASS_COMM, "Communication"}, | |
1903 | { USB_CLASS_HID, "HID"}, | |
1904 | { USB_CLASS_HUB, "Hub" }, | |
1905 | { USB_CLASS_PHYSICAL, "Physical" }, | |
1906 | { USB_CLASS_PRINTER, "Printer" }, | |
1907 | { USB_CLASS_MASS_STORAGE, "Storage" }, | |
1908 | { USB_CLASS_CDC_DATA, "Data" }, | |
1909 | { USB_CLASS_APP_SPEC, "Application Specific" }, | |
1910 | { USB_CLASS_VENDOR_SPEC, "Vendor Specific" }, | |
1911 | { USB_CLASS_STILL_IMAGE, "Still Image" }, | |
b9dc033c | 1912 | { USB_CLASS_CSCID, "Smart Card" }, |
a594cfbf FB |
1913 | { USB_CLASS_CONTENT_SEC, "Content Security" }, |
1914 | { -1, NULL } | |
1915 | }; | |
1916 | ||
1917 | static const char *usb_class_str(uint8_t class) | |
bb36d470 | 1918 | { |
a594cfbf FB |
1919 | const struct usb_class_info *p; |
1920 | for(p = usb_class_info; p->class != -1; p++) { | |
2791104c | 1921 | if (p->class == class) { |
a594cfbf | 1922 | break; |
2791104c | 1923 | } |
bb36d470 | 1924 | } |
a594cfbf FB |
1925 | return p->class_name; |
1926 | } | |
1927 | ||
5557d820 GH |
1928 | static void usb_info_device(Monitor *mon, int bus_num, int addr, char *port, |
1929 | int class_id, int vendor_id, int product_id, | |
9596ebb7 PB |
1930 | const char *product_name, |
1931 | int speed) | |
a594cfbf FB |
1932 | { |
1933 | const char *class_str, *speed_str; | |
1934 | ||
1935 | switch(speed) { | |
5fafdf24 TS |
1936 | case USB_SPEED_LOW: |
1937 | speed_str = "1.5"; | |
a594cfbf | 1938 | break; |
5fafdf24 TS |
1939 | case USB_SPEED_FULL: |
1940 | speed_str = "12"; | |
a594cfbf | 1941 | break; |
5fafdf24 TS |
1942 | case USB_SPEED_HIGH: |
1943 | speed_str = "480"; | |
a594cfbf | 1944 | break; |
f264cfbf HG |
1945 | case USB_SPEED_SUPER: |
1946 | speed_str = "5000"; | |
1947 | break; | |
a594cfbf | 1948 | default: |
5fafdf24 | 1949 | speed_str = "?"; |
a594cfbf FB |
1950 | break; |
1951 | } | |
1952 | ||
5557d820 GH |
1953 | monitor_printf(mon, " Bus %d, Addr %d, Port %s, Speed %s Mb/s\n", |
1954 | bus_num, addr, port, speed_str); | |
a594cfbf | 1955 | class_str = usb_class_str(class_id); |
2791104c | 1956 | if (class_str) { |
376253ec | 1957 | monitor_printf(mon, " %s:", class_str); |
2791104c | 1958 | } else { |
376253ec | 1959 | monitor_printf(mon, " Class %02x:", class_id); |
2791104c | 1960 | } |
376253ec | 1961 | monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id); |
2791104c | 1962 | if (product_name[0] != '\0') { |
376253ec | 1963 | monitor_printf(mon, ", %s", product_name); |
2791104c | 1964 | } |
376253ec | 1965 | monitor_printf(mon, "\n"); |
a594cfbf FB |
1966 | } |
1967 | ||
5fafdf24 | 1968 | static int usb_host_info_device(void *opaque, int bus_num, int addr, |
5557d820 | 1969 | char *path, int class_id, |
5fafdf24 | 1970 | int vendor_id, int product_id, |
a594cfbf FB |
1971 | const char *product_name, |
1972 | int speed) | |
1973 | { | |
179da8af BS |
1974 | Monitor *mon = opaque; |
1975 | ||
5557d820 | 1976 | usb_info_device(mon, bus_num, addr, path, class_id, vendor_id, product_id, |
a594cfbf FB |
1977 | product_name, speed); |
1978 | return 0; | |
1979 | } | |
1980 | ||
ac4ffb5a | 1981 | static void dec2str(int val, char *str, size_t size) |
5d0c5750 | 1982 | { |
2791104c | 1983 | if (val == 0) { |
ac4ffb5a | 1984 | snprintf(str, size, "*"); |
2791104c DA |
1985 | } else { |
1986 | snprintf(str, size, "%d", val); | |
1987 | } | |
5d0c5750 AL |
1988 | } |
1989 | ||
ac4ffb5a | 1990 | static void hex2str(int val, char *str, size_t size) |
5d0c5750 | 1991 | { |
2791104c | 1992 | if (val == 0) { |
ac4ffb5a | 1993 | snprintf(str, size, "*"); |
2791104c | 1994 | } else { |
26a9e82a | 1995 | snprintf(str, size, "%04x", val); |
2791104c | 1996 | } |
5d0c5750 AL |
1997 | } |
1998 | ||
376253ec | 1999 | void usb_host_info(Monitor *mon) |
a594cfbf | 2000 | { |
5d0c5750 | 2001 | struct USBAutoFilter *f; |
26a9e82a | 2002 | struct USBHostDevice *s; |
5d0c5750 | 2003 | |
179da8af | 2004 | usb_host_scan(mon, usb_host_info_device); |
5d0c5750 | 2005 | |
2791104c | 2006 | if (QTAILQ_EMPTY(&hostdevs)) { |
26a9e82a | 2007 | return; |
2791104c DA |
2008 | } |
2009 | ||
26a9e82a GH |
2010 | monitor_printf(mon, " Auto filters:\n"); |
2011 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
5d0c5750 | 2012 | char bus[10], addr[10], vid[10], pid[10]; |
26a9e82a | 2013 | f = &s->match; |
ac4ffb5a AL |
2014 | dec2str(f->bus_num, bus, sizeof(bus)); |
2015 | dec2str(f->addr, addr, sizeof(addr)); | |
2016 | hex2str(f->vendor_id, vid, sizeof(vid)); | |
2017 | hex2str(f->product_id, pid, sizeof(pid)); | |
9056a297 GH |
2018 | monitor_printf(mon, " Bus %s, Addr %s, Port %s, ID %s:%s\n", |
2019 | bus, addr, f->port ? f->port : "*", vid, pid); | |
5d0c5750 | 2020 | } |
bb36d470 | 2021 | } |