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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" |
bb36d470 | 37 | |
bb36d470 FB |
38 | #include <dirent.h> |
39 | #include <sys/ioctl.h> | |
bb36d470 | 40 | |
446ab128 AL |
41 | #include <linux/usbdevice_fs.h> |
42 | #include <linux/version.h> | |
43 | #include "hw/usb.h" | |
bb36d470 | 44 | |
d9cf1578 BS |
45 | /* We redefine it to avoid version problems */ |
46 | struct usb_ctrltransfer { | |
47 | uint8_t bRequestType; | |
48 | uint8_t bRequest; | |
49 | uint16_t wValue; | |
50 | uint16_t wIndex; | |
51 | uint16_t wLength; | |
52 | uint32_t timeout; | |
53 | void *data; | |
54 | }; | |
55 | ||
5557d820 | 56 | typedef int USBScanFunc(void *opaque, int bus_num, int addr, char *port, |
0f5160d1 | 57 | int class_id, int vendor_id, int product_id, |
a594cfbf | 58 | const char *product_name, int speed); |
26a9e82a | 59 | |
0745eb1e | 60 | //#define DEBUG |
64838171 AL |
61 | |
62 | #ifdef DEBUG | |
d0f2c4c6 | 63 | #define DPRINTF printf |
64838171 | 64 | #else |
d0f2c4c6 | 65 | #define DPRINTF(...) |
64838171 | 66 | #endif |
bb36d470 | 67 | |
5be8e1f2 BS |
68 | #define USBDBG_DEVOPENED "husb: opened %s/devices\n" |
69 | ||
0f431527 | 70 | #define USBPROCBUS_PATH "/proc/bus/usb" |
1f6e24e7 | 71 | #define PRODUCT_NAME_SZ 32 |
3a4854b3 | 72 | #define MAX_ENDPOINTS 15 |
5557d820 | 73 | #define MAX_PORTLEN 16 |
0f431527 AL |
74 | #define USBDEVBUS_PATH "/dev/bus/usb" |
75 | #define USBSYSBUS_PATH "/sys/bus/usb" | |
76 | ||
77 | static char *usb_host_device_path; | |
78 | ||
79 | #define USB_FS_NONE 0 | |
80 | #define USB_FS_PROC 1 | |
81 | #define USB_FS_DEV 2 | |
82 | #define USB_FS_SYS 3 | |
83 | ||
84 | static int usb_fs_type; | |
bb36d470 | 85 | |
b9dc033c | 86 | /* endpoint association data */ |
060dc841 HG |
87 | #define ISO_FRAME_DESC_PER_URB 32 |
88 | #define ISO_URB_COUNT 3 | |
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; |
b9dc033c AZ |
104 | }; |
105 | ||
26a9e82a GH |
106 | struct USBAutoFilter { |
107 | uint32_t bus_num; | |
108 | uint32_t addr; | |
9056a297 | 109 | char *port; |
26a9e82a GH |
110 | uint32_t vendor_id; |
111 | uint32_t product_id; | |
112 | }; | |
113 | ||
bb36d470 FB |
114 | typedef struct USBHostDevice { |
115 | USBDevice dev; | |
64838171 AL |
116 | int fd; |
117 | ||
118 | uint8_t descr[1024]; | |
119 | int descr_len; | |
120 | int configuration; | |
446ab128 | 121 | int ninterfaces; |
24772c1e | 122 | int closing; |
b373a63a | 123 | Notifier exit; |
64838171 | 124 | |
b9dc033c | 125 | struct endp_data endp_table[MAX_ENDPOINTS]; |
7a8fc83f | 126 | QLIST_HEAD(, AsyncURB) aurbs; |
4b096fc9 | 127 | |
4b096fc9 AL |
128 | /* Host side address */ |
129 | int bus_num; | |
130 | int addr; | |
5557d820 | 131 | char port[MAX_PORTLEN]; |
26a9e82a | 132 | struct USBAutoFilter match; |
4b096fc9 | 133 | |
26a9e82a | 134 | QTAILQ_ENTRY(USBHostDevice) next; |
bb36d470 FB |
135 | } USBHostDevice; |
136 | ||
26a9e82a GH |
137 | static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs); |
138 | ||
139 | static int usb_host_close(USBHostDevice *dev); | |
140 | static int parse_filter(const char *spec, struct USBAutoFilter *f); | |
141 | static void usb_host_auto_check(void *unused); | |
2cc59d8c HG |
142 | static int usb_host_read_file(char *line, size_t line_size, |
143 | const char *device_file, const char *device_name); | |
26a9e82a | 144 | |
64838171 AL |
145 | static int is_isoc(USBHostDevice *s, int ep) |
146 | { | |
147 | return s->endp_table[ep - 1].type == USBDEVFS_URB_TYPE_ISO; | |
148 | } | |
149 | ||
a0b5fece HG |
150 | static int is_valid(USBHostDevice *s, int ep) |
151 | { | |
152 | return s->endp_table[ep - 1].type != INVALID_EP_TYPE; | |
153 | } | |
154 | ||
64838171 AL |
155 | static int is_halted(USBHostDevice *s, int ep) |
156 | { | |
157 | return s->endp_table[ep - 1].halted; | |
158 | } | |
159 | ||
160 | static void clear_halt(USBHostDevice *s, int ep) | |
161 | { | |
162 | s->endp_table[ep - 1].halted = 0; | |
163 | } | |
164 | ||
165 | static void set_halt(USBHostDevice *s, int ep) | |
166 | { | |
167 | s->endp_table[ep - 1].halted = 1; | |
168 | } | |
169 | ||
bb6d5498 HG |
170 | static int is_iso_started(USBHostDevice *s, int ep) |
171 | { | |
172 | return s->endp_table[ep - 1].iso_started; | |
173 | } | |
174 | ||
175 | static void clear_iso_started(USBHostDevice *s, int ep) | |
176 | { | |
177 | s->endp_table[ep - 1].iso_started = 0; | |
178 | } | |
179 | ||
180 | static void set_iso_started(USBHostDevice *s, int ep) | |
181 | { | |
182 | s->endp_table[ep - 1].iso_started = 1; | |
183 | } | |
184 | ||
060dc841 HG |
185 | static void set_iso_urb(USBHostDevice *s, int ep, AsyncURB *iso_urb) |
186 | { | |
187 | s->endp_table[ep - 1].iso_urb = iso_urb; | |
188 | } | |
189 | ||
190 | static AsyncURB *get_iso_urb(USBHostDevice *s, int ep) | |
191 | { | |
192 | return s->endp_table[ep - 1].iso_urb; | |
193 | } | |
194 | ||
195 | static void set_iso_urb_idx(USBHostDevice *s, int ep, int i) | |
196 | { | |
197 | s->endp_table[ep - 1].iso_urb_idx = i; | |
198 | } | |
199 | ||
200 | static int get_iso_urb_idx(USBHostDevice *s, int ep) | |
201 | { | |
202 | return s->endp_table[ep - 1].iso_urb_idx; | |
203 | } | |
204 | ||
bb6d5498 HG |
205 | static void set_iso_buffer_used(USBHostDevice *s, int ep, int i) |
206 | { | |
207 | s->endp_table[ep - 1].iso_buffer_used = i; | |
208 | } | |
209 | ||
210 | static int get_iso_buffer_used(USBHostDevice *s, int ep) | |
211 | { | |
212 | return s->endp_table[ep - 1].iso_buffer_used; | |
213 | } | |
214 | ||
6dfcdccb GH |
215 | static void set_max_packet_size(USBHostDevice *s, int ep, uint8_t *descriptor) |
216 | { | |
217 | int raw = descriptor[4] + (descriptor[5] << 8); | |
218 | int size, microframes; | |
219 | ||
220 | size = raw & 0x7ff; | |
221 | switch ((raw >> 11) & 3) { | |
222 | case 1: microframes = 2; break; | |
223 | case 2: microframes = 3; break; | |
224 | default: microframes = 1; break; | |
225 | } | |
226 | DPRINTF("husb: max packet size: 0x%x -> %d x %d\n", | |
227 | raw, microframes, size); | |
228 | s->endp_table[ep - 1].max_packet_size = size * microframes; | |
229 | } | |
230 | ||
060dc841 HG |
231 | static int get_max_packet_size(USBHostDevice *s, int ep) |
232 | { | |
233 | return s->endp_table[ep - 1].max_packet_size; | |
234 | } | |
235 | ||
2791104c | 236 | /* |
64838171 | 237 | * Async URB state. |
060dc841 | 238 | * We always allocate iso packet descriptors even for bulk transfers |
2791104c | 239 | * to simplify allocation and casts. |
64838171 | 240 | */ |
060dc841 | 241 | struct AsyncURB |
64838171 AL |
242 | { |
243 | struct usbdevfs_urb urb; | |
060dc841 | 244 | struct usbdevfs_iso_packet_desc isocpd[ISO_FRAME_DESC_PER_URB]; |
7a8fc83f GH |
245 | USBHostDevice *hdev; |
246 | QLIST_ENTRY(AsyncURB) next; | |
b9dc033c | 247 | |
060dc841 | 248 | /* For regular async urbs */ |
64838171 | 249 | USBPacket *packet; |
71138531 | 250 | int more; /* large transfer, more urbs follow */ |
060dc841 HG |
251 | |
252 | /* For buffered iso handling */ | |
253 | int iso_frame_idx; /* -1 means in flight */ | |
254 | }; | |
b9dc033c | 255 | |
7a8fc83f | 256 | static AsyncURB *async_alloc(USBHostDevice *s) |
b9dc033c | 257 | { |
7a8fc83f GH |
258 | AsyncURB *aurb = qemu_mallocz(sizeof(AsyncURB)); |
259 | aurb->hdev = s; | |
260 | QLIST_INSERT_HEAD(&s->aurbs, aurb, next); | |
261 | return aurb; | |
b9dc033c AZ |
262 | } |
263 | ||
64838171 | 264 | static void async_free(AsyncURB *aurb) |
b9dc033c | 265 | { |
7a8fc83f | 266 | QLIST_REMOVE(aurb, next); |
64838171 AL |
267 | qemu_free(aurb); |
268 | } | |
b9dc033c | 269 | |
41c01ee7 GH |
270 | static void do_disconnect(USBHostDevice *s) |
271 | { | |
272 | printf("husb: device %d.%d disconnected\n", | |
273 | s->bus_num, s->addr); | |
274 | usb_host_close(s); | |
275 | usb_host_auto_check(NULL); | |
276 | } | |
277 | ||
64838171 AL |
278 | static void async_complete(void *opaque) |
279 | { | |
280 | USBHostDevice *s = opaque; | |
281 | AsyncURB *aurb; | |
282 | ||
283 | while (1) { | |
2791104c | 284 | USBPacket *p; |
b9dc033c | 285 | |
2791104c | 286 | int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb); |
64838171 | 287 | if (r < 0) { |
2791104c | 288 | if (errno == EAGAIN) { |
64838171 | 289 | return; |
2791104c | 290 | } |
24772c1e | 291 | if (errno == ENODEV && !s->closing) { |
41c01ee7 | 292 | do_disconnect(s); |
64838171 AL |
293 | return; |
294 | } | |
295 | ||
d0f2c4c6 | 296 | DPRINTF("husb: async. reap urb failed errno %d\n", errno); |
64838171 | 297 | return; |
b9dc033c | 298 | } |
64838171 | 299 | |
2791104c | 300 | DPRINTF("husb: async completed. aurb %p status %d alen %d\n", |
64838171 AL |
301 | aurb, aurb->urb.status, aurb->urb.actual_length); |
302 | ||
060dc841 HG |
303 | /* If this is a buffered iso urb mark it as complete and don't do |
304 | anything else (it is handled further in usb_host_handle_iso_data) */ | |
305 | if (aurb->iso_frame_idx == -1) { | |
306 | if (aurb->urb.status == -EPIPE) { | |
307 | set_halt(s, aurb->urb.endpoint & 0xf); | |
308 | } | |
309 | aurb->iso_frame_idx = 0; | |
310 | continue; | |
311 | } | |
312 | ||
313 | p = aurb->packet; | |
314 | ||
2791104c | 315 | if (p) { |
64838171 AL |
316 | switch (aurb->urb.status) { |
317 | case 0: | |
71138531 | 318 | p->len += aurb->urb.actual_length; |
64838171 AL |
319 | break; |
320 | ||
321 | case -EPIPE: | |
322 | set_halt(s, p->devep); | |
2791104c DA |
323 | p->len = USB_RET_STALL; |
324 | break; | |
dcc7e25f | 325 | |
64838171 AL |
326 | default: |
327 | p->len = USB_RET_NAK; | |
328 | break; | |
329 | } | |
330 | ||
50b7963e HG |
331 | if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) { |
332 | usb_generic_async_ctrl_complete(&s->dev, p); | |
71138531 | 333 | } else if (!aurb->more) { |
50b7963e HG |
334 | usb_packet_complete(&s->dev, p); |
335 | } | |
2791104c | 336 | } |
64838171 AL |
337 | |
338 | async_free(aurb); | |
b9dc033c | 339 | } |
b9dc033c AZ |
340 | } |
341 | ||
eb5e680a | 342 | static void usb_host_async_cancel(USBDevice *dev, USBPacket *p) |
b9dc033c | 343 | { |
eb5e680a | 344 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
227ebeb5 | 345 | AsyncURB *aurb; |
b9dc033c | 346 | |
227ebeb5 GH |
347 | QLIST_FOREACH(aurb, &s->aurbs, next) { |
348 | if (p != aurb->packet) { | |
349 | continue; | |
350 | } | |
64838171 | 351 | |
227ebeb5 | 352 | DPRINTF("husb: async cancel: packet %p, aurb %p\n", p, aurb); |
b9dc033c | 353 | |
227ebeb5 GH |
354 | /* Mark it as dead (see async_complete above) */ |
355 | aurb->packet = NULL; | |
356 | ||
357 | int r = ioctl(s->fd, USBDEVFS_DISCARDURB, aurb); | |
358 | if (r < 0) { | |
359 | DPRINTF("husb: async. discard urb failed errno %d\n", errno); | |
360 | } | |
b9dc033c | 361 | } |
b9dc033c AZ |
362 | } |
363 | ||
446ab128 | 364 | static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration) |
b9dc033c | 365 | { |
41c01ee7 | 366 | const char *op = NULL; |
b9dc033c | 367 | int dev_descr_len, config_descr_len; |
d4c4e6fd | 368 | int interface, nb_interfaces; |
b9dc033c AZ |
369 | int ret, i; |
370 | ||
371 | if (configuration == 0) /* address state - ignore */ | |
372 | return 1; | |
373 | ||
d0f2c4c6 | 374 | DPRINTF("husb: claiming interfaces. config %d\n", configuration); |
446ab128 | 375 | |
b9dc033c AZ |
376 | i = 0; |
377 | dev_descr_len = dev->descr[0]; | |
2791104c | 378 | if (dev_descr_len > dev->descr_len) { |
b9dc033c | 379 | goto fail; |
2791104c | 380 | } |
b9dc033c AZ |
381 | |
382 | i += dev_descr_len; | |
383 | while (i < dev->descr_len) { | |
2791104c DA |
384 | DPRINTF("husb: i is %d, descr_len is %d, dl %d, dt %d\n", |
385 | i, dev->descr_len, | |
b9dc033c | 386 | dev->descr[i], dev->descr[i+1]); |
64838171 | 387 | |
b9dc033c AZ |
388 | if (dev->descr[i+1] != USB_DT_CONFIG) { |
389 | i += dev->descr[i]; | |
390 | continue; | |
391 | } | |
392 | config_descr_len = dev->descr[i]; | |
393 | ||
2791104c | 394 | printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration); |
1f3870ab | 395 | |
446ab128 AL |
396 | if (configuration < 0 || configuration == dev->descr[i + 5]) { |
397 | configuration = dev->descr[i + 5]; | |
b9dc033c | 398 | break; |
446ab128 | 399 | } |
b9dc033c AZ |
400 | |
401 | i += config_descr_len; | |
402 | } | |
403 | ||
404 | if (i >= dev->descr_len) { | |
2791104c DA |
405 | fprintf(stderr, |
406 | "husb: update iface failed. no matching configuration\n"); | |
b9dc033c AZ |
407 | goto fail; |
408 | } | |
409 | nb_interfaces = dev->descr[i + 4]; | |
410 | ||
411 | #ifdef USBDEVFS_DISCONNECT | |
412 | /* earlier Linux 2.4 do not support that */ | |
413 | { | |
414 | struct usbdevfs_ioctl ctrl; | |
415 | for (interface = 0; interface < nb_interfaces; interface++) { | |
416 | ctrl.ioctl_code = USBDEVFS_DISCONNECT; | |
417 | ctrl.ifno = interface; | |
021730f7 | 418 | ctrl.data = 0; |
41c01ee7 | 419 | op = "USBDEVFS_DISCONNECT"; |
b9dc033c AZ |
420 | ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl); |
421 | if (ret < 0 && errno != ENODATA) { | |
b9dc033c AZ |
422 | goto fail; |
423 | } | |
424 | } | |
425 | } | |
426 | #endif | |
427 | ||
428 | /* XXX: only grab if all interfaces are free */ | |
429 | for (interface = 0; interface < nb_interfaces; interface++) { | |
41c01ee7 | 430 | op = "USBDEVFS_CLAIMINTERFACE"; |
b9dc033c AZ |
431 | ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface); |
432 | if (ret < 0) { | |
433 | if (errno == EBUSY) { | |
64838171 | 434 | printf("husb: update iface. device already grabbed\n"); |
b9dc033c | 435 | } else { |
64838171 | 436 | perror("husb: failed to claim interface"); |
b9dc033c | 437 | } |
41c01ee7 | 438 | goto fail; |
b9dc033c AZ |
439 | } |
440 | } | |
441 | ||
64838171 | 442 | printf("husb: %d interfaces claimed for configuration %d\n", |
b9dc033c | 443 | nb_interfaces, configuration); |
b9dc033c | 444 | |
446ab128 AL |
445 | dev->ninterfaces = nb_interfaces; |
446 | dev->configuration = configuration; | |
447 | return 1; | |
41c01ee7 GH |
448 | |
449 | fail: | |
450 | if (errno == ENODEV) { | |
451 | do_disconnect(dev); | |
452 | } | |
453 | perror(op); | |
454 | return 0; | |
446ab128 AL |
455 | } |
456 | ||
457 | static int usb_host_release_interfaces(USBHostDevice *s) | |
458 | { | |
459 | int ret, i; | |
460 | ||
d0f2c4c6 | 461 | DPRINTF("husb: releasing interfaces\n"); |
446ab128 AL |
462 | |
463 | for (i = 0; i < s->ninterfaces; i++) { | |
464 | ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i); | |
465 | if (ret < 0) { | |
466 | perror("husb: failed to release interface"); | |
467 | return 0; | |
468 | } | |
469 | } | |
470 | ||
b9dc033c AZ |
471 | return 1; |
472 | } | |
473 | ||
059809e4 | 474 | static void usb_host_handle_reset(USBDevice *dev) |
bb36d470 | 475 | { |
26a9e82a | 476 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 477 | |
d0f2c4c6 | 478 | DPRINTF("husb: reset device %u.%u\n", s->bus_num, s->addr); |
64838171 | 479 | |
bb36d470 | 480 | ioctl(s->fd, USBDEVFS_RESET); |
446ab128 AL |
481 | |
482 | usb_host_claim_interfaces(s, s->configuration); | |
5fafdf24 | 483 | } |
bb36d470 | 484 | |
059809e4 FB |
485 | static void usb_host_handle_destroy(USBDevice *dev) |
486 | { | |
487 | USBHostDevice *s = (USBHostDevice *)dev; | |
488 | ||
26a9e82a GH |
489 | usb_host_close(s); |
490 | QTAILQ_REMOVE(&hostdevs, s, next); | |
b373a63a | 491 | qemu_remove_exit_notifier(&s->exit); |
059809e4 FB |
492 | } |
493 | ||
b9dc033c AZ |
494 | static int usb_linux_update_endp_table(USBHostDevice *s); |
495 | ||
060dc841 HG |
496 | /* iso data is special, we need to keep enough urbs in flight to make sure |
497 | that the controller never runs out of them, otherwise the device will | |
498 | likely suffer a buffer underrun / overrun. */ | |
499 | static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, uint8_t ep, int in) | |
500 | { | |
501 | AsyncURB *aurb; | |
502 | int i, j, len = get_max_packet_size(s, ep); | |
503 | ||
504 | aurb = qemu_mallocz(ISO_URB_COUNT * sizeof(*aurb)); | |
505 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
506 | aurb[i].urb.endpoint = ep; | |
507 | aurb[i].urb.buffer_length = ISO_FRAME_DESC_PER_URB * len; | |
508 | aurb[i].urb.buffer = qemu_malloc(aurb[i].urb.buffer_length); | |
509 | aurb[i].urb.type = USBDEVFS_URB_TYPE_ISO; | |
510 | aurb[i].urb.flags = USBDEVFS_URB_ISO_ASAP; | |
511 | aurb[i].urb.number_of_packets = ISO_FRAME_DESC_PER_URB; | |
512 | for (j = 0 ; j < ISO_FRAME_DESC_PER_URB; j++) | |
513 | aurb[i].urb.iso_frame_desc[j].length = len; | |
514 | if (in) { | |
515 | aurb[i].urb.endpoint |= 0x80; | |
516 | /* Mark as fully consumed (idle) */ | |
517 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB; | |
518 | } | |
519 | } | |
520 | set_iso_urb(s, ep, aurb); | |
521 | ||
522 | return aurb; | |
523 | } | |
524 | ||
525 | static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep) | |
526 | { | |
527 | AsyncURB *aurb; | |
528 | int i, ret, killed = 0, free = 1; | |
529 | ||
530 | aurb = get_iso_urb(s, ep); | |
531 | if (!aurb) { | |
532 | return; | |
533 | } | |
534 | ||
535 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
536 | /* in flight? */ | |
537 | if (aurb[i].iso_frame_idx == -1) { | |
538 | ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]); | |
539 | if (ret < 0) { | |
540 | printf("husb: discard isoc in urb failed errno %d\n", errno); | |
541 | free = 0; | |
542 | continue; | |
543 | } | |
544 | killed++; | |
545 | } | |
546 | } | |
547 | ||
548 | /* Make sure any urbs we've killed are reaped before we free them */ | |
549 | if (killed) { | |
550 | async_complete(s); | |
551 | } | |
552 | ||
553 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
554 | qemu_free(aurb[i].urb.buffer); | |
555 | } | |
556 | ||
557 | if (free) | |
558 | qemu_free(aurb); | |
559 | else | |
560 | printf("husb: leaking iso urbs because of discard failure\n"); | |
561 | set_iso_urb(s, ep, NULL); | |
bb6d5498 HG |
562 | set_iso_urb_idx(s, ep, 0); |
563 | clear_iso_started(s, ep); | |
060dc841 HG |
564 | } |
565 | ||
566 | static int urb_status_to_usb_ret(int status) | |
567 | { | |
568 | switch (status) { | |
569 | case -EPIPE: | |
570 | return USB_RET_STALL; | |
571 | default: | |
572 | return USB_RET_NAK; | |
573 | } | |
574 | } | |
575 | ||
bb6d5498 | 576 | static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in) |
060dc841 HG |
577 | { |
578 | AsyncURB *aurb; | |
bb6d5498 | 579 | int i, j, ret, max_packet_size, offset, len = 0; |
975f2998 HG |
580 | |
581 | max_packet_size = get_max_packet_size(s, p->devep); | |
582 | if (max_packet_size == 0) | |
583 | return USB_RET_NAK; | |
060dc841 HG |
584 | |
585 | aurb = get_iso_urb(s, p->devep); | |
586 | if (!aurb) { | |
bb6d5498 | 587 | aurb = usb_host_alloc_iso(s, p->devep, in); |
060dc841 HG |
588 | } |
589 | ||
590 | i = get_iso_urb_idx(s, p->devep); | |
591 | j = aurb[i].iso_frame_idx; | |
592 | if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) { | |
bb6d5498 HG |
593 | if (in) { |
594 | /* Check urb status */ | |
595 | if (aurb[i].urb.status) { | |
596 | len = urb_status_to_usb_ret(aurb[i].urb.status); | |
597 | /* Move to the next urb */ | |
598 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB - 1; | |
599 | /* Check frame status */ | |
600 | } else if (aurb[i].urb.iso_frame_desc[j].status) { | |
601 | len = urb_status_to_usb_ret( | |
602 | aurb[i].urb.iso_frame_desc[j].status); | |
603 | /* Check the frame fits */ | |
604 | } else if (aurb[i].urb.iso_frame_desc[j].actual_length > p->len) { | |
605 | printf("husb: received iso data is larger then packet\n"); | |
606 | len = USB_RET_NAK; | |
607 | /* All good copy data over */ | |
608 | } else { | |
609 | len = aurb[i].urb.iso_frame_desc[j].actual_length; | |
610 | memcpy(p->data, | |
611 | aurb[i].urb.buffer + | |
612 | j * aurb[i].urb.iso_frame_desc[0].length, | |
613 | len); | |
614 | } | |
060dc841 | 615 | } else { |
bb6d5498 HG |
616 | len = p->len; |
617 | offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->devep); | |
618 | ||
619 | /* Check the frame fits */ | |
620 | if (len > max_packet_size) { | |
621 | printf("husb: send iso data is larger then max packet size\n"); | |
622 | return USB_RET_NAK; | |
623 | } | |
624 | ||
625 | /* All good copy data over */ | |
626 | memcpy(aurb[i].urb.buffer + offset, p->data, len); | |
627 | aurb[i].urb.iso_frame_desc[j].length = len; | |
628 | offset += len; | |
629 | set_iso_buffer_used(s, p->devep, offset); | |
630 | ||
631 | /* Start the stream once we have buffered enough data */ | |
632 | if (!is_iso_started(s, p->devep) && i == 1 && j == 8) { | |
633 | set_iso_started(s, p->devep); | |
634 | } | |
060dc841 HG |
635 | } |
636 | aurb[i].iso_frame_idx++; | |
637 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { | |
638 | i = (i + 1) % ISO_URB_COUNT; | |
639 | set_iso_urb_idx(s, p->devep, i); | |
640 | } | |
bb6d5498 HG |
641 | } else { |
642 | if (in) { | |
643 | set_iso_started(s, p->devep); | |
644 | } else { | |
645 | DPRINTF("hubs: iso out error no free buffer, dropping packet\n"); | |
646 | } | |
060dc841 HG |
647 | } |
648 | ||
bb6d5498 HG |
649 | if (is_iso_started(s, p->devep)) { |
650 | /* (Re)-submit all fully consumed / filled urbs */ | |
651 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
652 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { | |
653 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]); | |
654 | if (ret < 0) { | |
655 | printf("husb error submitting iso urb %d: %d\n", i, errno); | |
656 | if (!in || len == 0) { | |
657 | switch(errno) { | |
658 | case ETIMEDOUT: | |
659 | len = USB_RET_NAK; | |
0225e254 | 660 | break; |
bb6d5498 HG |
661 | case EPIPE: |
662 | default: | |
663 | len = USB_RET_STALL; | |
664 | } | |
060dc841 | 665 | } |
bb6d5498 | 666 | break; |
060dc841 | 667 | } |
bb6d5498 | 668 | aurb[i].iso_frame_idx = -1; |
060dc841 | 669 | } |
060dc841 HG |
670 | } |
671 | } | |
672 | ||
673 | return len; | |
674 | } | |
675 | ||
50b7963e | 676 | static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
bb36d470 | 677 | { |
50b7963e | 678 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 679 | struct usbdevfs_urb *urb; |
446ab128 | 680 | AsyncURB *aurb; |
71138531 GH |
681 | int ret, rem; |
682 | uint8_t *pbuf; | |
060dc841 | 683 | uint8_t ep; |
b9dc033c | 684 | |
a0b5fece HG |
685 | if (!is_valid(s, p->devep)) { |
686 | return USB_RET_NAK; | |
687 | } | |
688 | ||
2791104c | 689 | if (p->pid == USB_TOKEN_IN) { |
060dc841 | 690 | ep = p->devep | 0x80; |
2791104c | 691 | } else { |
060dc841 | 692 | ep = p->devep; |
2791104c | 693 | } |
64838171 AL |
694 | |
695 | if (is_halted(s, p->devep)) { | |
060dc841 | 696 | ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &ep); |
64838171 | 697 | if (ret < 0) { |
2791104c | 698 | DPRINTF("husb: failed to clear halt. ep 0x%x errno %d\n", |
060dc841 | 699 | ep, errno); |
bb36d470 | 700 | return USB_RET_NAK; |
bb36d470 | 701 | } |
64838171 | 702 | clear_halt(s, p->devep); |
4d043a09 AZ |
703 | } |
704 | ||
bb6d5498 HG |
705 | if (is_isoc(s, p->devep)) { |
706 | return usb_host_handle_iso_data(s, p, p->pid == USB_TOKEN_IN); | |
707 | } | |
060dc841 | 708 | |
71138531 GH |
709 | rem = p->len; |
710 | pbuf = p->data; | |
711 | p->len = 0; | |
712 | while (rem) { | |
713 | aurb = async_alloc(s); | |
714 | aurb->packet = p; | |
715 | ||
716 | urb = &aurb->urb; | |
717 | urb->endpoint = ep; | |
718 | urb->type = USBDEVFS_URB_TYPE_BULK; | |
719 | urb->usercontext = s; | |
720 | urb->buffer = pbuf; | |
721 | ||
722 | if (rem > MAX_USBFS_BUFFER_SIZE) { | |
723 | urb->buffer_length = MAX_USBFS_BUFFER_SIZE; | |
724 | aurb->more = 1; | |
725 | } else { | |
726 | urb->buffer_length = rem; | |
727 | aurb->more = 0; | |
728 | } | |
729 | pbuf += urb->buffer_length; | |
730 | rem -= urb->buffer_length; | |
b9dc033c | 731 | |
71138531 | 732 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
b9dc033c | 733 | |
71138531 GH |
734 | DPRINTF("husb: data submit: ep 0x%x, len %u, more %d, packet %p, aurb %p\n", |
735 | urb->endpoint, urb->buffer_length, aurb->more, p, aurb); | |
b9dc033c | 736 | |
71138531 GH |
737 | if (ret < 0) { |
738 | DPRINTF("husb: submit failed. errno %d\n", errno); | |
739 | async_free(aurb); | |
b9dc033c | 740 | |
71138531 GH |
741 | switch(errno) { |
742 | case ETIMEDOUT: | |
743 | return USB_RET_NAK; | |
744 | case EPIPE: | |
745 | default: | |
746 | return USB_RET_STALL; | |
747 | } | |
b9dc033c AZ |
748 | } |
749 | } | |
64838171 | 750 | |
b9dc033c | 751 | return USB_RET_ASYNC; |
b9dc033c AZ |
752 | } |
753 | ||
446ab128 AL |
754 | static int ctrl_error(void) |
755 | { | |
2791104c | 756 | if (errno == ETIMEDOUT) { |
446ab128 | 757 | return USB_RET_NAK; |
2791104c | 758 | } else { |
446ab128 | 759 | return USB_RET_STALL; |
2791104c | 760 | } |
446ab128 AL |
761 | } |
762 | ||
763 | static int usb_host_set_address(USBHostDevice *s, int addr) | |
764 | { | |
d0f2c4c6 | 765 | DPRINTF("husb: ctrl set addr %u\n", addr); |
446ab128 AL |
766 | s->dev.addr = addr; |
767 | return 0; | |
768 | } | |
769 | ||
770 | static int usb_host_set_config(USBHostDevice *s, int config) | |
771 | { | |
772 | usb_host_release_interfaces(s); | |
773 | ||
774 | int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config); | |
2791104c | 775 | |
d0f2c4c6 | 776 | DPRINTF("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno); |
2791104c DA |
777 | |
778 | if (ret < 0) { | |
446ab128 | 779 | return ctrl_error(); |
2791104c | 780 | } |
446ab128 AL |
781 | usb_host_claim_interfaces(s, config); |
782 | return 0; | |
783 | } | |
784 | ||
785 | static int usb_host_set_interface(USBHostDevice *s, int iface, int alt) | |
786 | { | |
787 | struct usbdevfs_setinterface si; | |
060dc841 HG |
788 | int i, ret; |
789 | ||
3a4854b3 | 790 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
060dc841 HG |
791 | if (is_isoc(s, i)) { |
792 | usb_host_stop_n_free_iso(s, i); | |
793 | } | |
794 | } | |
446ab128 AL |
795 | |
796 | si.interface = iface; | |
797 | si.altsetting = alt; | |
798 | ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si); | |
446ab128 | 799 | |
2791104c DA |
800 | DPRINTF("husb: ctrl set iface %d altset %d ret %d errno %d\n", |
801 | iface, alt, ret, errno); | |
802 | ||
803 | if (ret < 0) { | |
804 | return ctrl_error(); | |
805 | } | |
446ab128 AL |
806 | usb_linux_update_endp_table(s); |
807 | return 0; | |
808 | } | |
809 | ||
50b7963e HG |
810 | static int usb_host_handle_control(USBDevice *dev, USBPacket *p, |
811 | int request, int value, int index, int length, uint8_t *data) | |
446ab128 | 812 | { |
50b7963e | 813 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
446ab128 AL |
814 | struct usbdevfs_urb *urb; |
815 | AsyncURB *aurb; | |
50b7963e | 816 | int ret; |
446ab128 | 817 | |
2791104c | 818 | /* |
446ab128 AL |
819 | * Process certain standard device requests. |
820 | * These are infrequent and are processed synchronously. | |
821 | */ | |
446ab128 | 822 | |
50b7963e | 823 | /* Note request is (bRequestType << 8) | bRequest */ |
d0f2c4c6 | 824 | DPRINTF("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n", |
50b7963e | 825 | request >> 8, request & 0xff, value, index, length); |
446ab128 | 826 | |
50b7963e HG |
827 | switch (request) { |
828 | case DeviceOutRequest | USB_REQ_SET_ADDRESS: | |
829 | return usb_host_set_address(s, value); | |
446ab128 | 830 | |
50b7963e HG |
831 | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: |
832 | return usb_host_set_config(s, value & 0xff); | |
446ab128 | 833 | |
50b7963e | 834 | case InterfaceOutRequest | USB_REQ_SET_INTERFACE: |
446ab128 | 835 | return usb_host_set_interface(s, index, value); |
2791104c | 836 | } |
446ab128 AL |
837 | |
838 | /* The rest are asynchronous */ | |
839 | ||
50b7963e HG |
840 | if (length > sizeof(dev->data_buf)) { |
841 | fprintf(stderr, "husb: ctrl buffer too small (%d > %zu)\n", | |
842 | length, sizeof(dev->data_buf)); | |
b2e3b6e9 | 843 | return USB_RET_STALL; |
c4c0e236 JP |
844 | } |
845 | ||
7a8fc83f | 846 | aurb = async_alloc(s); |
446ab128 AL |
847 | aurb->packet = p; |
848 | ||
2791104c | 849 | /* |
446ab128 AL |
850 | * Setup ctrl transfer. |
851 | * | |
a0102082 | 852 | * s->ctrl is laid out such that data buffer immediately follows |
446ab128 | 853 | * 'req' struct which is exactly what usbdevfs expects. |
2791104c | 854 | */ |
446ab128 AL |
855 | urb = &aurb->urb; |
856 | ||
857 | urb->type = USBDEVFS_URB_TYPE_CONTROL; | |
858 | urb->endpoint = p->devep; | |
859 | ||
50b7963e HG |
860 | urb->buffer = &dev->setup_buf; |
861 | urb->buffer_length = length + 8; | |
446ab128 AL |
862 | |
863 | urb->usercontext = s; | |
864 | ||
865 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); | |
866 | ||
d0f2c4c6 | 867 | DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb); |
446ab128 AL |
868 | |
869 | if (ret < 0) { | |
d0f2c4c6 | 870 | DPRINTF("husb: submit failed. errno %d\n", errno); |
446ab128 AL |
871 | async_free(aurb); |
872 | ||
873 | switch(errno) { | |
874 | case ETIMEDOUT: | |
875 | return USB_RET_NAK; | |
876 | case EPIPE: | |
877 | default: | |
878 | return USB_RET_STALL; | |
879 | } | |
880 | } | |
881 | ||
446ab128 AL |
882 | return USB_RET_ASYNC; |
883 | } | |
884 | ||
71d71bbd | 885 | static int usb_linux_get_configuration(USBHostDevice *s) |
b9dc033c | 886 | { |
71d71bbd | 887 | uint8_t configuration; |
e41b3910 | 888 | struct usb_ctrltransfer ct; |
71d71bbd | 889 | int ret; |
b9dc033c | 890 | |
2cc59d8c HG |
891 | if (usb_fs_type == USB_FS_SYS) { |
892 | char device_name[32], line[1024]; | |
893 | int configuration; | |
894 | ||
5557d820 | 895 | sprintf(device_name, "%d-%s", s->bus_num, s->port); |
2cc59d8c HG |
896 | |
897 | if (!usb_host_read_file(line, sizeof(line), "bConfigurationValue", | |
898 | device_name)) { | |
899 | goto usbdevfs; | |
900 | } | |
901 | if (sscanf(line, "%d", &configuration) != 1) { | |
902 | goto usbdevfs; | |
903 | } | |
904 | return configuration; | |
905 | } | |
906 | ||
907 | usbdevfs: | |
b9dc033c AZ |
908 | ct.bRequestType = USB_DIR_IN; |
909 | ct.bRequest = USB_REQ_GET_CONFIGURATION; | |
910 | ct.wValue = 0; | |
911 | ct.wIndex = 0; | |
912 | ct.wLength = 1; | |
913 | ct.data = &configuration; | |
914 | ct.timeout = 50; | |
915 | ||
916 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); | |
917 | if (ret < 0) { | |
71d71bbd HG |
918 | perror("usb_linux_get_configuration"); |
919 | return -1; | |
b9dc033c AZ |
920 | } |
921 | ||
922 | /* in address state */ | |
2791104c | 923 | if (configuration == 0) { |
71d71bbd | 924 | return -1; |
2791104c | 925 | } |
b9dc033c | 926 | |
71d71bbd HG |
927 | return configuration; |
928 | } | |
929 | ||
ed3a328d HG |
930 | static uint8_t usb_linux_get_alt_setting(USBHostDevice *s, |
931 | uint8_t configuration, uint8_t interface) | |
932 | { | |
933 | uint8_t alt_setting; | |
934 | struct usb_ctrltransfer ct; | |
935 | int ret; | |
936 | ||
c43831fb HG |
937 | if (usb_fs_type == USB_FS_SYS) { |
938 | char device_name[64], line[1024]; | |
939 | int alt_setting; | |
940 | ||
5557d820 | 941 | sprintf(device_name, "%d-%s:%d.%d", s->bus_num, s->port, |
c43831fb HG |
942 | (int)configuration, (int)interface); |
943 | ||
944 | if (!usb_host_read_file(line, sizeof(line), "bAlternateSetting", | |
945 | device_name)) { | |
946 | goto usbdevfs; | |
947 | } | |
948 | if (sscanf(line, "%d", &alt_setting) != 1) { | |
949 | goto usbdevfs; | |
950 | } | |
951 | return alt_setting; | |
952 | } | |
953 | ||
954 | usbdevfs: | |
ed3a328d HG |
955 | ct.bRequestType = USB_DIR_IN | USB_RECIP_INTERFACE; |
956 | ct.bRequest = USB_REQ_GET_INTERFACE; | |
957 | ct.wValue = 0; | |
958 | ct.wIndex = interface; | |
959 | ct.wLength = 1; | |
960 | ct.data = &alt_setting; | |
961 | ct.timeout = 50; | |
962 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); | |
963 | if (ret < 0) { | |
964 | /* Assume alt 0 on error */ | |
965 | return 0; | |
966 | } | |
967 | ||
968 | return alt_setting; | |
969 | } | |
970 | ||
71d71bbd HG |
971 | /* returns 1 on problem encountered or 0 for success */ |
972 | static int usb_linux_update_endp_table(USBHostDevice *s) | |
973 | { | |
974 | uint8_t *descriptors; | |
975 | uint8_t devep, type, configuration, alt_interface; | |
ed3a328d | 976 | int interface, length, i; |
71d71bbd | 977 | |
a0b5fece HG |
978 | for (i = 0; i < MAX_ENDPOINTS; i++) |
979 | s->endp_table[i].type = INVALID_EP_TYPE; | |
980 | ||
71d71bbd HG |
981 | i = usb_linux_get_configuration(s); |
982 | if (i < 0) | |
983 | return 1; | |
984 | configuration = i; | |
985 | ||
b9dc033c AZ |
986 | /* get the desired configuration, interface, and endpoint descriptors |
987 | * from device description */ | |
988 | descriptors = &s->descr[18]; | |
989 | length = s->descr_len - 18; | |
990 | i = 0; | |
991 | ||
992 | if (descriptors[i + 1] != USB_DT_CONFIG || | |
993 | descriptors[i + 5] != configuration) { | |
d0f2c4c6 | 994 | DPRINTF("invalid descriptor data - configuration\n"); |
b9dc033c AZ |
995 | return 1; |
996 | } | |
997 | i += descriptors[i]; | |
998 | ||
999 | while (i < length) { | |
1000 | if (descriptors[i + 1] != USB_DT_INTERFACE || | |
1001 | (descriptors[i + 1] == USB_DT_INTERFACE && | |
1002 | descriptors[i + 4] == 0)) { | |
1003 | i += descriptors[i]; | |
1004 | continue; | |
1005 | } | |
1006 | ||
1007 | interface = descriptors[i + 2]; | |
ed3a328d | 1008 | alt_interface = usb_linux_get_alt_setting(s, configuration, interface); |
b9dc033c AZ |
1009 | |
1010 | /* the current interface descriptor is the active interface | |
1011 | * and has endpoints */ | |
1012 | if (descriptors[i + 3] != alt_interface) { | |
1013 | i += descriptors[i]; | |
1014 | continue; | |
1015 | } | |
1016 | ||
1017 | /* advance to the endpoints */ | |
2791104c | 1018 | while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) { |
b9dc033c | 1019 | i += descriptors[i]; |
2791104c | 1020 | } |
b9dc033c AZ |
1021 | |
1022 | if (i >= length) | |
1023 | break; | |
1024 | ||
1025 | while (i < length) { | |
2791104c | 1026 | if (descriptors[i + 1] != USB_DT_ENDPOINT) { |
b9dc033c | 1027 | break; |
2791104c | 1028 | } |
b9dc033c AZ |
1029 | |
1030 | devep = descriptors[i + 2]; | |
1031 | switch (descriptors[i + 3] & 0x3) { | |
1032 | case 0x00: | |
1033 | type = USBDEVFS_URB_TYPE_CONTROL; | |
1034 | break; | |
1035 | case 0x01: | |
1036 | type = USBDEVFS_URB_TYPE_ISO; | |
6dfcdccb | 1037 | set_max_packet_size(s, (devep & 0xf), descriptors + i); |
b9dc033c AZ |
1038 | break; |
1039 | case 0x02: | |
1040 | type = USBDEVFS_URB_TYPE_BULK; | |
1041 | break; | |
1042 | case 0x03: | |
1043 | type = USBDEVFS_URB_TYPE_INTERRUPT; | |
1044 | break; | |
ddbda432 AL |
1045 | default: |
1046 | DPRINTF("usb_host: malformed endpoint type\n"); | |
1047 | type = USBDEVFS_URB_TYPE_BULK; | |
b9dc033c AZ |
1048 | } |
1049 | s->endp_table[(devep & 0xf) - 1].type = type; | |
64838171 | 1050 | s->endp_table[(devep & 0xf) - 1].halted = 0; |
b9dc033c AZ |
1051 | |
1052 | i += descriptors[i]; | |
1053 | } | |
1054 | } | |
1055 | return 0; | |
1056 | } | |
1057 | ||
26a9e82a | 1058 | static int usb_host_open(USBHostDevice *dev, int bus_num, |
5557d820 | 1059 | int addr, char *port, const char *prod_name) |
bb36d470 | 1060 | { |
b9dc033c | 1061 | int fd = -1, ret; |
bb36d470 | 1062 | struct usbdevfs_connectinfo ci; |
a594cfbf | 1063 | char buf[1024]; |
1f3870ab | 1064 | |
2791104c | 1065 | if (dev->fd != -1) { |
26a9e82a | 1066 | goto fail; |
2791104c | 1067 | } |
64838171 | 1068 | printf("husb: open device %d.%d\n", bus_num, addr); |
3b46e624 | 1069 | |
0f431527 AL |
1070 | if (!usb_host_device_path) { |
1071 | perror("husb: USB Host Device Path not set"); | |
1072 | goto fail; | |
1073 | } | |
1074 | snprintf(buf, sizeof(buf), "%s/%03d/%03d", usb_host_device_path, | |
a594cfbf | 1075 | bus_num, addr); |
b9dc033c | 1076 | fd = open(buf, O_RDWR | O_NONBLOCK); |
bb36d470 | 1077 | if (fd < 0) { |
a594cfbf | 1078 | perror(buf); |
1f3870ab | 1079 | goto fail; |
bb36d470 | 1080 | } |
d0f2c4c6 | 1081 | DPRINTF("husb: opened %s\n", buf); |
bb36d470 | 1082 | |
806b6024 GH |
1083 | dev->bus_num = bus_num; |
1084 | dev->addr = addr; | |
5557d820 | 1085 | strcpy(dev->port, port); |
22f84e73 | 1086 | dev->fd = fd; |
806b6024 | 1087 | |
b9dc033c AZ |
1088 | /* read the device description */ |
1089 | dev->descr_len = read(fd, dev->descr, sizeof(dev->descr)); | |
1090 | if (dev->descr_len <= 0) { | |
64838171 | 1091 | perror("husb: reading device data failed"); |
bb36d470 FB |
1092 | goto fail; |
1093 | } | |
3b46e624 | 1094 | |
b9dc033c | 1095 | #ifdef DEBUG |
868bfe2b | 1096 | { |
b9dc033c AZ |
1097 | int x; |
1098 | printf("=== begin dumping device descriptor data ===\n"); | |
2791104c | 1099 | for (x = 0; x < dev->descr_len; x++) { |
b9dc033c | 1100 | printf("%02x ", dev->descr[x]); |
2791104c | 1101 | } |
b9dc033c | 1102 | printf("\n=== end dumping device descriptor data ===\n"); |
bb36d470 | 1103 | } |
a594cfbf FB |
1104 | #endif |
1105 | ||
b9dc033c | 1106 | |
2791104c DA |
1107 | /* |
1108 | * Initial configuration is -1 which makes us claim first | |
446ab128 | 1109 | * available config. We used to start with 1, which does not |
2791104c | 1110 | * always work. I've seen devices where first config starts |
446ab128 AL |
1111 | * with 2. |
1112 | */ | |
2791104c | 1113 | if (!usb_host_claim_interfaces(dev, -1)) { |
b9dc033c | 1114 | goto fail; |
2791104c | 1115 | } |
bb36d470 FB |
1116 | |
1117 | ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); | |
1118 | if (ret < 0) { | |
046833ea | 1119 | perror("usb_host_device_open: USBDEVFS_CONNECTINFO"); |
bb36d470 FB |
1120 | goto fail; |
1121 | } | |
1122 | ||
64838171 | 1123 | printf("husb: grabbed usb device %d.%d\n", bus_num, addr); |
bb36d470 | 1124 | |
b9dc033c | 1125 | ret = usb_linux_update_endp_table(dev); |
2791104c | 1126 | if (ret) { |
bb36d470 | 1127 | goto fail; |
2791104c | 1128 | } |
b9dc033c | 1129 | |
2791104c | 1130 | if (ci.slow) { |
bb36d470 | 1131 | dev->dev.speed = USB_SPEED_LOW; |
2791104c | 1132 | } else { |
bb36d470 | 1133 | dev->dev.speed = USB_SPEED_HIGH; |
2791104c | 1134 | } |
bb36d470 | 1135 | |
2791104c | 1136 | if (!prod_name || prod_name[0] == '\0') { |
0fe6d12e | 1137 | snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1138 | "host:%d.%d", bus_num, addr); |
2791104c | 1139 | } else { |
0fe6d12e | 1140 | pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1141 | prod_name); |
2791104c | 1142 | } |
1f6e24e7 | 1143 | |
64838171 AL |
1144 | /* USB devio uses 'write' flag to check for async completions */ |
1145 | qemu_set_fd_handler(dev->fd, NULL, async_complete, dev); | |
1f3870ab | 1146 | |
26a9e82a GH |
1147 | usb_device_attach(&dev->dev); |
1148 | return 0; | |
4b096fc9 | 1149 | |
b9dc033c | 1150 | fail: |
26a9e82a | 1151 | dev->fd = -1; |
2791104c | 1152 | if (fd != -1) { |
806b6024 | 1153 | close(fd); |
2791104c | 1154 | } |
26a9e82a GH |
1155 | return -1; |
1156 | } | |
1157 | ||
1158 | static int usb_host_close(USBHostDevice *dev) | |
1159 | { | |
060dc841 HG |
1160 | int i; |
1161 | ||
2791104c | 1162 | if (dev->fd == -1) { |
26a9e82a | 1163 | return -1; |
2791104c | 1164 | } |
26a9e82a GH |
1165 | |
1166 | qemu_set_fd_handler(dev->fd, NULL, NULL, NULL); | |
1167 | dev->closing = 1; | |
3a4854b3 | 1168 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
060dc841 HG |
1169 | if (is_isoc(dev, i)) { |
1170 | usb_host_stop_n_free_iso(dev, i); | |
1171 | } | |
1172 | } | |
26a9e82a GH |
1173 | async_complete(dev); |
1174 | dev->closing = 0; | |
1175 | usb_device_detach(&dev->dev); | |
00ff227a | 1176 | ioctl(dev->fd, USBDEVFS_RESET); |
26a9e82a GH |
1177 | close(dev->fd); |
1178 | dev->fd = -1; | |
1179 | return 0; | |
1180 | } | |
1181 | ||
b373a63a SH |
1182 | static void usb_host_exit_notifier(struct Notifier* n) |
1183 | { | |
1184 | USBHostDevice *s = container_of(n, USBHostDevice, exit); | |
1185 | ||
1186 | if (s->fd != -1) { | |
1187 | ioctl(s->fd, USBDEVFS_RESET); | |
1188 | } | |
1189 | } | |
1190 | ||
26a9e82a GH |
1191 | static int usb_host_initfn(USBDevice *dev) |
1192 | { | |
1193 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); | |
1194 | ||
1195 | dev->auto_attach = 0; | |
1196 | s->fd = -1; | |
1197 | QTAILQ_INSERT_TAIL(&hostdevs, s, next); | |
b373a63a SH |
1198 | s->exit.notify = usb_host_exit_notifier; |
1199 | qemu_add_exit_notifier(&s->exit); | |
26a9e82a GH |
1200 | usb_host_auto_check(NULL); |
1201 | return 0; | |
a594cfbf | 1202 | } |
bb36d470 | 1203 | |
806b6024 | 1204 | static struct USBDeviceInfo usb_host_dev_info = { |
06384698 | 1205 | .product_desc = "USB Host Device", |
556cd098 | 1206 | .qdev.name = "usb-host", |
806b6024 GH |
1207 | .qdev.size = sizeof(USBHostDevice), |
1208 | .init = usb_host_initfn, | |
50b7963e | 1209 | .handle_packet = usb_generic_handle_packet, |
eb5e680a | 1210 | .cancel_packet = usb_host_async_cancel, |
50b7963e HG |
1211 | .handle_data = usb_host_handle_data, |
1212 | .handle_control = usb_host_handle_control, | |
806b6024 | 1213 | .handle_reset = usb_host_handle_reset, |
806b6024 | 1214 | .handle_destroy = usb_host_handle_destroy, |
26a9e82a GH |
1215 | .usbdevice_name = "host", |
1216 | .usbdevice_init = usb_host_device_open, | |
1217 | .qdev.props = (Property[]) { | |
1218 | DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0), | |
1219 | DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0), | |
9056a297 | 1220 | DEFINE_PROP_STRING("hostport", USBHostDevice, match.port), |
26a9e82a GH |
1221 | DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0), |
1222 | DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0), | |
1223 | DEFINE_PROP_END_OF_LIST(), | |
1224 | }, | |
806b6024 GH |
1225 | }; |
1226 | ||
1227 | static void usb_host_register_devices(void) | |
1228 | { | |
1229 | usb_qdev_register(&usb_host_dev_info); | |
1230 | } | |
1231 | device_init(usb_host_register_devices) | |
1232 | ||
4b096fc9 AL |
1233 | USBDevice *usb_host_device_open(const char *devname) |
1234 | { | |
0745eb1e | 1235 | struct USBAutoFilter filter; |
26a9e82a | 1236 | USBDevice *dev; |
26a9e82a GH |
1237 | char *p; |
1238 | ||
556cd098 | 1239 | dev = usb_create(NULL /* FIXME */, "usb-host"); |
4b096fc9 | 1240 | |
5d0c5750 | 1241 | if (strstr(devname, "auto:")) { |
2791104c | 1242 | if (parse_filter(devname, &filter) < 0) { |
26a9e82a | 1243 | goto fail; |
2791104c | 1244 | } |
26a9e82a GH |
1245 | } else { |
1246 | if ((p = strchr(devname, '.'))) { | |
0745eb1e MA |
1247 | filter.bus_num = strtoul(devname, NULL, 0); |
1248 | filter.addr = strtoul(p + 1, NULL, 0); | |
1249 | filter.vendor_id = 0; | |
1250 | filter.product_id = 0; | |
26a9e82a | 1251 | } else if ((p = strchr(devname, ':'))) { |
0745eb1e MA |
1252 | filter.bus_num = 0; |
1253 | filter.addr = 0; | |
26a9e82a | 1254 | filter.vendor_id = strtoul(devname, NULL, 16); |
0745eb1e | 1255 | filter.product_id = strtoul(p + 1, NULL, 16); |
26a9e82a GH |
1256 | } else { |
1257 | goto fail; | |
1258 | } | |
5d0c5750 | 1259 | } |
4b096fc9 | 1260 | |
0745eb1e MA |
1261 | qdev_prop_set_uint32(&dev->qdev, "hostbus", filter.bus_num); |
1262 | qdev_prop_set_uint32(&dev->qdev, "hostaddr", filter.addr); | |
26a9e82a GH |
1263 | qdev_prop_set_uint32(&dev->qdev, "vendorid", filter.vendor_id); |
1264 | qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id); | |
beb6f0de | 1265 | qdev_init_nofail(&dev->qdev); |
26a9e82a | 1266 | return dev; |
5d0c5750 | 1267 | |
26a9e82a GH |
1268 | fail: |
1269 | qdev_free(&dev->qdev); | |
1270 | return NULL; | |
4b096fc9 | 1271 | } |
5d0c5750 AL |
1272 | |
1273 | int usb_host_device_close(const char *devname) | |
1274 | { | |
26a9e82a | 1275 | #if 0 |
5d0c5750 AL |
1276 | char product_name[PRODUCT_NAME_SZ]; |
1277 | int bus_num, addr; | |
1278 | USBHostDevice *s; | |
1279 | ||
2791104c | 1280 | if (strstr(devname, "auto:")) { |
5d0c5750 | 1281 | return usb_host_auto_del(devname); |
2791104c DA |
1282 | } |
1283 | if (usb_host_find_device(&bus_num, &addr, product_name, | |
1284 | sizeof(product_name), devname) < 0) { | |
5d0c5750 | 1285 | return -1; |
2791104c | 1286 | } |
5d0c5750 AL |
1287 | s = hostdev_find(bus_num, addr); |
1288 | if (s) { | |
a5d2f727 | 1289 | usb_device_delete_addr(s->bus_num, s->dev.addr); |
5d0c5750 AL |
1290 | return 0; |
1291 | } | |
26a9e82a | 1292 | #endif |
5d0c5750 AL |
1293 | |
1294 | return -1; | |
1295 | } | |
a5d2f727 | 1296 | |
a594cfbf | 1297 | static int get_tag_value(char *buf, int buf_size, |
5fafdf24 | 1298 | const char *str, const char *tag, |
a594cfbf FB |
1299 | const char *stopchars) |
1300 | { | |
1301 | const char *p; | |
1302 | char *q; | |
1303 | p = strstr(str, tag); | |
2791104c | 1304 | if (!p) { |
a594cfbf | 1305 | return -1; |
2791104c | 1306 | } |
a594cfbf | 1307 | p += strlen(tag); |
2791104c | 1308 | while (qemu_isspace(*p)) { |
a594cfbf | 1309 | p++; |
2791104c | 1310 | } |
a594cfbf FB |
1311 | q = buf; |
1312 | while (*p != '\0' && !strchr(stopchars, *p)) { | |
2791104c | 1313 | if ((q - buf) < (buf_size - 1)) { |
a594cfbf | 1314 | *q++ = *p; |
2791104c | 1315 | } |
a594cfbf FB |
1316 | p++; |
1317 | } | |
1318 | *q = '\0'; | |
1319 | return q - buf; | |
bb36d470 FB |
1320 | } |
1321 | ||
0f431527 AL |
1322 | /* |
1323 | * Use /proc/bus/usb/devices or /dev/bus/usb/devices file to determine | |
1324 | * host's USB devices. This is legacy support since many distributions | |
1325 | * are moving to /sys/bus/usb | |
1326 | */ | |
1327 | static int usb_host_scan_dev(void *opaque, USBScanFunc *func) | |
bb36d470 | 1328 | { |
660f11be | 1329 | FILE *f = NULL; |
a594cfbf | 1330 | char line[1024]; |
bb36d470 | 1331 | char buf[1024]; |
a594cfbf | 1332 | int bus_num, addr, speed, device_count, class_id, product_id, vendor_id; |
a594cfbf | 1333 | char product_name[512]; |
0f431527 | 1334 | int ret = 0; |
3b46e624 | 1335 | |
0f431527 AL |
1336 | if (!usb_host_device_path) { |
1337 | perror("husb: USB Host Device Path not set"); | |
1338 | goto the_end; | |
1339 | } | |
1340 | snprintf(line, sizeof(line), "%s/devices", usb_host_device_path); | |
1341 | f = fopen(line, "r"); | |
a594cfbf | 1342 | if (!f) { |
0f431527 AL |
1343 | perror("husb: cannot open devices file"); |
1344 | goto the_end; | |
a594cfbf | 1345 | } |
0f431527 | 1346 | |
a594cfbf FB |
1347 | device_count = 0; |
1348 | bus_num = addr = speed = class_id = product_id = vendor_id = 0; | |
bb36d470 | 1349 | for(;;) { |
2791104c | 1350 | if (fgets(line, sizeof(line), f) == NULL) { |
bb36d470 | 1351 | break; |
2791104c DA |
1352 | } |
1353 | if (strlen(line) > 0) { | |
a594cfbf | 1354 | line[strlen(line) - 1] = '\0'; |
2791104c | 1355 | } |
a594cfbf | 1356 | if (line[0] == 'T' && line[1] == ':') { |
38ca0f6d PB |
1357 | if (device_count && (vendor_id || product_id)) { |
1358 | /* New device. Add the previously discovered device. */ | |
0f5160d1 | 1359 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1360 | product_id, product_name, speed); |
2791104c | 1361 | if (ret) { |
a594cfbf | 1362 | goto the_end; |
2791104c | 1363 | } |
a594cfbf | 1364 | } |
2791104c | 1365 | if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) { |
a594cfbf | 1366 | goto fail; |
2791104c | 1367 | } |
a594cfbf | 1368 | bus_num = atoi(buf); |
2791104c | 1369 | if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) { |
a594cfbf | 1370 | goto fail; |
2791104c | 1371 | } |
a594cfbf | 1372 | addr = atoi(buf); |
2791104c | 1373 | if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) { |
a594cfbf | 1374 | goto fail; |
2791104c DA |
1375 | } |
1376 | if (!strcmp(buf, "480")) { | |
a594cfbf | 1377 | speed = USB_SPEED_HIGH; |
2791104c | 1378 | } else if (!strcmp(buf, "1.5")) { |
a594cfbf | 1379 | speed = USB_SPEED_LOW; |
2791104c | 1380 | } else { |
a594cfbf | 1381 | speed = USB_SPEED_FULL; |
2791104c | 1382 | } |
a594cfbf FB |
1383 | product_name[0] = '\0'; |
1384 | class_id = 0xff; | |
1385 | device_count++; | |
1386 | product_id = 0; | |
1387 | vendor_id = 0; | |
1388 | } else if (line[0] == 'P' && line[1] == ':') { | |
2791104c | 1389 | if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) { |
a594cfbf | 1390 | goto fail; |
2791104c | 1391 | } |
a594cfbf | 1392 | vendor_id = strtoul(buf, NULL, 16); |
2791104c | 1393 | if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) { |
a594cfbf | 1394 | goto fail; |
2791104c | 1395 | } |
a594cfbf FB |
1396 | product_id = strtoul(buf, NULL, 16); |
1397 | } else if (line[0] == 'S' && line[1] == ':') { | |
2791104c | 1398 | if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) { |
a594cfbf | 1399 | goto fail; |
2791104c | 1400 | } |
a594cfbf FB |
1401 | pstrcpy(product_name, sizeof(product_name), buf); |
1402 | } else if (line[0] == 'D' && line[1] == ':') { | |
2791104c | 1403 | if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) { |
a594cfbf | 1404 | goto fail; |
2791104c | 1405 | } |
a594cfbf | 1406 | class_id = strtoul(buf, NULL, 16); |
bb36d470 | 1407 | } |
a594cfbf FB |
1408 | fail: ; |
1409 | } | |
38ca0f6d PB |
1410 | if (device_count && (vendor_id || product_id)) { |
1411 | /* Add the last device. */ | |
0f5160d1 | 1412 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1413 | product_id, product_name, speed); |
bb36d470 | 1414 | } |
a594cfbf | 1415 | the_end: |
2791104c | 1416 | if (f) { |
0f431527 | 1417 | fclose(f); |
2791104c | 1418 | } |
0f431527 AL |
1419 | return ret; |
1420 | } | |
1421 | ||
1422 | /* | |
1423 | * Read sys file-system device file | |
1424 | * | |
1425 | * @line address of buffer to put file contents in | |
1426 | * @line_size size of line | |
1427 | * @device_file path to device file (printf format string) | |
1428 | * @device_name device being opened (inserted into device_file) | |
1429 | * | |
1430 | * @return 0 failed, 1 succeeded ('line' contains data) | |
1431 | */ | |
2791104c DA |
1432 | static int usb_host_read_file(char *line, size_t line_size, |
1433 | const char *device_file, const char *device_name) | |
0f431527 AL |
1434 | { |
1435 | FILE *f; | |
1436 | int ret = 0; | |
1437 | char filename[PATH_MAX]; | |
1438 | ||
b4e237aa BS |
1439 | snprintf(filename, PATH_MAX, USBSYSBUS_PATH "/devices/%s/%s", device_name, |
1440 | device_file); | |
0f431527 AL |
1441 | f = fopen(filename, "r"); |
1442 | if (f) { | |
9f99cee7 | 1443 | ret = fgets(line, line_size, f) != NULL; |
0f431527 | 1444 | fclose(f); |
0f431527 AL |
1445 | } |
1446 | ||
1447 | return ret; | |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * Use /sys/bus/usb/devices/ directory to determine host's USB | |
1452 | * devices. | |
1453 | * | |
1454 | * This code is based on Robert Schiele's original patches posted to | |
1455 | * the Novell bug-tracker https://bugzilla.novell.com/show_bug.cgi?id=241950 | |
1456 | */ | |
1457 | static int usb_host_scan_sys(void *opaque, USBScanFunc *func) | |
1458 | { | |
660f11be | 1459 | DIR *dir = NULL; |
0f431527 | 1460 | char line[1024]; |
5557d820 | 1461 | int bus_num, addr, speed, class_id, product_id, vendor_id; |
0f431527 | 1462 | int ret = 0; |
5557d820 | 1463 | char port[MAX_PORTLEN]; |
0f431527 AL |
1464 | char product_name[512]; |
1465 | struct dirent *de; | |
1466 | ||
1467 | dir = opendir(USBSYSBUS_PATH "/devices"); | |
1468 | if (!dir) { | |
1469 | perror("husb: cannot open devices directory"); | |
1470 | goto the_end; | |
1471 | } | |
1472 | ||
1473 | while ((de = readdir(dir))) { | |
1474 | if (de->d_name[0] != '.' && !strchr(de->d_name, ':')) { | |
5557d820 GH |
1475 | if (sscanf(de->d_name, "%d-%7[0-9.]", &bus_num, port) < 2) { |
1476 | continue; | |
0f5160d1 | 1477 | } |
0f431527 | 1478 | |
2791104c | 1479 | if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name)) { |
0f431527 | 1480 | goto the_end; |
2791104c DA |
1481 | } |
1482 | if (sscanf(line, "%d", &addr) != 1) { | |
0f431527 | 1483 | goto the_end; |
2791104c | 1484 | } |
b4e237aa | 1485 | if (!usb_host_read_file(line, sizeof(line), "bDeviceClass", |
2791104c | 1486 | de->d_name)) { |
0f431527 | 1487 | goto the_end; |
2791104c DA |
1488 | } |
1489 | if (sscanf(line, "%x", &class_id) != 1) { | |
0f431527 | 1490 | goto the_end; |
2791104c | 1491 | } |
0f431527 | 1492 | |
2791104c DA |
1493 | if (!usb_host_read_file(line, sizeof(line), "idVendor", |
1494 | de->d_name)) { | |
0f431527 | 1495 | goto the_end; |
2791104c DA |
1496 | } |
1497 | if (sscanf(line, "%x", &vendor_id) != 1) { | |
0f431527 | 1498 | goto the_end; |
2791104c | 1499 | } |
b4e237aa | 1500 | if (!usb_host_read_file(line, sizeof(line), "idProduct", |
2791104c | 1501 | de->d_name)) { |
0f431527 | 1502 | goto the_end; |
2791104c DA |
1503 | } |
1504 | if (sscanf(line, "%x", &product_id) != 1) { | |
0f431527 | 1505 | goto the_end; |
2791104c | 1506 | } |
b4e237aa BS |
1507 | if (!usb_host_read_file(line, sizeof(line), "product", |
1508 | de->d_name)) { | |
0f431527 AL |
1509 | *product_name = 0; |
1510 | } else { | |
2791104c | 1511 | if (strlen(line) > 0) { |
0f431527 | 1512 | line[strlen(line) - 1] = '\0'; |
2791104c | 1513 | } |
0f431527 AL |
1514 | pstrcpy(product_name, sizeof(product_name), line); |
1515 | } | |
1516 | ||
2791104c | 1517 | if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) { |
0f431527 | 1518 | goto the_end; |
2791104c DA |
1519 | } |
1520 | if (!strcmp(line, "480\n")) { | |
0f431527 | 1521 | speed = USB_SPEED_HIGH; |
2791104c | 1522 | } else if (!strcmp(line, "1.5\n")) { |
0f431527 | 1523 | speed = USB_SPEED_LOW; |
2791104c | 1524 | } else { |
0f431527 | 1525 | speed = USB_SPEED_FULL; |
2791104c | 1526 | } |
0f431527 | 1527 | |
5557d820 | 1528 | ret = func(opaque, bus_num, addr, port, class_id, vendor_id, |
0f431527 | 1529 | product_id, product_name, speed); |
2791104c | 1530 | if (ret) { |
0f431527 | 1531 | goto the_end; |
2791104c | 1532 | } |
0f431527 AL |
1533 | } |
1534 | } | |
1535 | the_end: | |
2791104c | 1536 | if (dir) { |
0f431527 | 1537 | closedir(dir); |
2791104c | 1538 | } |
0f431527 AL |
1539 | return ret; |
1540 | } | |
1541 | ||
1542 | /* | |
1543 | * Determine how to access the host's USB devices and call the | |
1544 | * specific support function. | |
1545 | */ | |
1546 | static int usb_host_scan(void *opaque, USBScanFunc *func) | |
1547 | { | |
376253ec | 1548 | Monitor *mon = cur_mon; |
660f11be BS |
1549 | FILE *f = NULL; |
1550 | DIR *dir = NULL; | |
0f431527 | 1551 | int ret = 0; |
0f431527 AL |
1552 | const char *fs_type[] = {"unknown", "proc", "dev", "sys"}; |
1553 | char devpath[PATH_MAX]; | |
1554 | ||
1555 | /* only check the host once */ | |
1556 | if (!usb_fs_type) { | |
55496240 MM |
1557 | dir = opendir(USBSYSBUS_PATH "/devices"); |
1558 | if (dir) { | |
1559 | /* devices found in /dev/bus/usb/ (yes - not a mistake!) */ | |
1560 | strcpy(devpath, USBDEVBUS_PATH); | |
1561 | usb_fs_type = USB_FS_SYS; | |
1562 | closedir(dir); | |
d0f2c4c6 | 1563 | DPRINTF(USBDBG_DEVOPENED, USBSYSBUS_PATH); |
55496240 MM |
1564 | goto found_devices; |
1565 | } | |
0f431527 AL |
1566 | f = fopen(USBPROCBUS_PATH "/devices", "r"); |
1567 | if (f) { | |
1568 | /* devices found in /proc/bus/usb/ */ | |
1569 | strcpy(devpath, USBPROCBUS_PATH); | |
1570 | usb_fs_type = USB_FS_PROC; | |
1571 | fclose(f); | |
d0f2c4c6 | 1572 | DPRINTF(USBDBG_DEVOPENED, USBPROCBUS_PATH); |
f16a0db3 | 1573 | goto found_devices; |
0f431527 AL |
1574 | } |
1575 | /* try additional methods if an access method hasn't been found yet */ | |
1576 | f = fopen(USBDEVBUS_PATH "/devices", "r"); | |
f16a0db3 | 1577 | if (f) { |
0f431527 AL |
1578 | /* devices found in /dev/bus/usb/ */ |
1579 | strcpy(devpath, USBDEVBUS_PATH); | |
1580 | usb_fs_type = USB_FS_DEV; | |
1581 | fclose(f); | |
d0f2c4c6 | 1582 | DPRINTF(USBDBG_DEVOPENED, USBDEVBUS_PATH); |
f16a0db3 | 1583 | goto found_devices; |
0f431527 | 1584 | } |
f16a0db3 | 1585 | found_devices: |
22babebb | 1586 | if (!usb_fs_type) { |
2791104c | 1587 | if (mon) { |
eba6fe87 | 1588 | monitor_printf(mon, "husb: unable to access USB devices\n"); |
2791104c | 1589 | } |
f16a0db3 | 1590 | return -ENOENT; |
0f431527 AL |
1591 | } |
1592 | ||
1593 | /* the module setting (used later for opening devices) */ | |
1594 | usb_host_device_path = qemu_mallocz(strlen(devpath)+1); | |
1eec614b | 1595 | strcpy(usb_host_device_path, devpath); |
2791104c | 1596 | if (mon) { |
eba6fe87 GH |
1597 | monitor_printf(mon, "husb: using %s file-system with %s\n", |
1598 | fs_type[usb_fs_type], usb_host_device_path); | |
2791104c | 1599 | } |
0f431527 AL |
1600 | } |
1601 | ||
1602 | switch (usb_fs_type) { | |
1603 | case USB_FS_PROC: | |
1604 | case USB_FS_DEV: | |
1605 | ret = usb_host_scan_dev(opaque, func); | |
1606 | break; | |
1607 | case USB_FS_SYS: | |
1608 | ret = usb_host_scan_sys(opaque, func); | |
1609 | break; | |
f16a0db3 AL |
1610 | default: |
1611 | ret = -EINVAL; | |
1612 | break; | |
0f431527 | 1613 | } |
a594cfbf | 1614 | return ret; |
bb36d470 FB |
1615 | } |
1616 | ||
4b096fc9 | 1617 | static QEMUTimer *usb_auto_timer; |
4b096fc9 | 1618 | |
5557d820 | 1619 | static int usb_host_auto_scan(void *opaque, int bus_num, int addr, char *port, |
26a9e82a GH |
1620 | int class_id, int vendor_id, int product_id, |
1621 | const char *product_name, int speed) | |
4b096fc9 AL |
1622 | { |
1623 | struct USBAutoFilter *f; | |
26a9e82a | 1624 | struct USBHostDevice *s; |
4b096fc9 AL |
1625 | |
1626 | /* Ignore hubs */ | |
1627 | if (class_id == 9) | |
1628 | return 0; | |
1629 | ||
26a9e82a GH |
1630 | QTAILQ_FOREACH(s, &hostdevs, next) { |
1631 | f = &s->match; | |
1632 | ||
2791104c | 1633 | if (f->bus_num > 0 && f->bus_num != bus_num) { |
4b096fc9 | 1634 | continue; |
2791104c DA |
1635 | } |
1636 | if (f->addr > 0 && f->addr != addr) { | |
4b096fc9 | 1637 | continue; |
2791104c | 1638 | } |
9056a297 GH |
1639 | if (f->port != NULL && (port == NULL || strcmp(f->port, port) != 0)) { |
1640 | continue; | |
1641 | } | |
4b096fc9 | 1642 | |
2791104c | 1643 | if (f->vendor_id > 0 && f->vendor_id != vendor_id) { |
4b096fc9 | 1644 | continue; |
2791104c | 1645 | } |
4b096fc9 | 1646 | |
2791104c | 1647 | if (f->product_id > 0 && f->product_id != product_id) { |
4b096fc9 | 1648 | continue; |
2791104c | 1649 | } |
4b096fc9 AL |
1650 | /* We got a match */ |
1651 | ||
33e66b86 | 1652 | /* Already attached ? */ |
2791104c | 1653 | if (s->fd != -1) { |
4b096fc9 | 1654 | return 0; |
2791104c | 1655 | } |
d0f2c4c6 | 1656 | DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr); |
4b096fc9 | 1657 | |
5557d820 | 1658 | usb_host_open(s, bus_num, addr, port, product_name); |
4b096fc9 AL |
1659 | } |
1660 | ||
1661 | return 0; | |
1662 | } | |
1663 | ||
26a9e82a | 1664 | static void usb_host_auto_check(void *unused) |
4b096fc9 | 1665 | { |
26a9e82a GH |
1666 | struct USBHostDevice *s; |
1667 | int unconnected = 0; | |
1668 | ||
4b096fc9 | 1669 | usb_host_scan(NULL, usb_host_auto_scan); |
26a9e82a GH |
1670 | |
1671 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
2791104c | 1672 | if (s->fd == -1) { |
26a9e82a | 1673 | unconnected++; |
2791104c | 1674 | } |
26a9e82a GH |
1675 | } |
1676 | ||
1677 | if (unconnected == 0) { | |
1678 | /* nothing to watch */ | |
2791104c | 1679 | if (usb_auto_timer) { |
26a9e82a | 1680 | qemu_del_timer(usb_auto_timer); |
2791104c | 1681 | } |
26a9e82a GH |
1682 | return; |
1683 | } | |
1684 | ||
1685 | if (!usb_auto_timer) { | |
7bd427d8 | 1686 | usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL); |
2791104c | 1687 | if (!usb_auto_timer) { |
26a9e82a | 1688 | return; |
2791104c | 1689 | } |
26a9e82a | 1690 | } |
7bd427d8 | 1691 | qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000); |
4b096fc9 AL |
1692 | } |
1693 | ||
1694 | /* | |
5d0c5750 AL |
1695 | * Autoconnect filter |
1696 | * Format: | |
1697 | * auto:bus:dev[:vid:pid] | |
1698 | * auto:bus.dev[:vid:pid] | |
1699 | * | |
1700 | * bus - bus number (dec, * means any) | |
1701 | * dev - device number (dec, * means any) | |
1702 | * vid - vendor id (hex, * means any) | |
1703 | * pid - product id (hex, * means any) | |
1704 | * | |
1705 | * See 'lsusb' output. | |
4b096fc9 | 1706 | */ |
5d0c5750 | 1707 | static int parse_filter(const char *spec, struct USBAutoFilter *f) |
4b096fc9 | 1708 | { |
5d0c5750 AL |
1709 | enum { BUS, DEV, VID, PID, DONE }; |
1710 | const char *p = spec; | |
1711 | int i; | |
1712 | ||
0745eb1e MA |
1713 | f->bus_num = 0; |
1714 | f->addr = 0; | |
1715 | f->vendor_id = 0; | |
1716 | f->product_id = 0; | |
5d0c5750 AL |
1717 | |
1718 | for (i = BUS; i < DONE; i++) { | |
2791104c DA |
1719 | p = strpbrk(p, ":."); |
1720 | if (!p) { | |
1721 | break; | |
1722 | } | |
5d0c5750 | 1723 | p++; |
5d0c5750 | 1724 | |
2791104c DA |
1725 | if (*p == '*') { |
1726 | continue; | |
1727 | } | |
5d0c5750 AL |
1728 | switch(i) { |
1729 | case BUS: f->bus_num = strtol(p, NULL, 10); break; | |
1730 | case DEV: f->addr = strtol(p, NULL, 10); break; | |
1731 | case VID: f->vendor_id = strtol(p, NULL, 16); break; | |
1732 | case PID: f->product_id = strtol(p, NULL, 16); break; | |
1733 | } | |
1734 | } | |
1735 | ||
1736 | if (i < DEV) { | |
1737 | fprintf(stderr, "husb: invalid auto filter spec %s\n", spec); | |
1738 | return -1; | |
1739 | } | |
1740 | ||
1741 | return 0; | |
1742 | } | |
1743 | ||
a594cfbf FB |
1744 | /**********************/ |
1745 | /* USB host device info */ | |
1746 | ||
1747 | struct usb_class_info { | |
1748 | int class; | |
1749 | const char *class_name; | |
1750 | }; | |
1751 | ||
1752 | static const struct usb_class_info usb_class_info[] = { | |
1753 | { USB_CLASS_AUDIO, "Audio"}, | |
1754 | { USB_CLASS_COMM, "Communication"}, | |
1755 | { USB_CLASS_HID, "HID"}, | |
1756 | { USB_CLASS_HUB, "Hub" }, | |
1757 | { USB_CLASS_PHYSICAL, "Physical" }, | |
1758 | { USB_CLASS_PRINTER, "Printer" }, | |
1759 | { USB_CLASS_MASS_STORAGE, "Storage" }, | |
1760 | { USB_CLASS_CDC_DATA, "Data" }, | |
1761 | { USB_CLASS_APP_SPEC, "Application Specific" }, | |
1762 | { USB_CLASS_VENDOR_SPEC, "Vendor Specific" }, | |
1763 | { USB_CLASS_STILL_IMAGE, "Still Image" }, | |
b9dc033c | 1764 | { USB_CLASS_CSCID, "Smart Card" }, |
a594cfbf FB |
1765 | { USB_CLASS_CONTENT_SEC, "Content Security" }, |
1766 | { -1, NULL } | |
1767 | }; | |
1768 | ||
1769 | static const char *usb_class_str(uint8_t class) | |
bb36d470 | 1770 | { |
a594cfbf FB |
1771 | const struct usb_class_info *p; |
1772 | for(p = usb_class_info; p->class != -1; p++) { | |
2791104c | 1773 | if (p->class == class) { |
a594cfbf | 1774 | break; |
2791104c | 1775 | } |
bb36d470 | 1776 | } |
a594cfbf FB |
1777 | return p->class_name; |
1778 | } | |
1779 | ||
5557d820 GH |
1780 | static void usb_info_device(Monitor *mon, int bus_num, int addr, char *port, |
1781 | int class_id, int vendor_id, int product_id, | |
9596ebb7 PB |
1782 | const char *product_name, |
1783 | int speed) | |
a594cfbf FB |
1784 | { |
1785 | const char *class_str, *speed_str; | |
1786 | ||
1787 | switch(speed) { | |
5fafdf24 TS |
1788 | case USB_SPEED_LOW: |
1789 | speed_str = "1.5"; | |
a594cfbf | 1790 | break; |
5fafdf24 TS |
1791 | case USB_SPEED_FULL: |
1792 | speed_str = "12"; | |
a594cfbf | 1793 | break; |
5fafdf24 TS |
1794 | case USB_SPEED_HIGH: |
1795 | speed_str = "480"; | |
a594cfbf FB |
1796 | break; |
1797 | default: | |
5fafdf24 | 1798 | speed_str = "?"; |
a594cfbf FB |
1799 | break; |
1800 | } | |
1801 | ||
5557d820 GH |
1802 | monitor_printf(mon, " Bus %d, Addr %d, Port %s, Speed %s Mb/s\n", |
1803 | bus_num, addr, port, speed_str); | |
a594cfbf | 1804 | class_str = usb_class_str(class_id); |
2791104c | 1805 | if (class_str) { |
376253ec | 1806 | monitor_printf(mon, " %s:", class_str); |
2791104c | 1807 | } else { |
376253ec | 1808 | monitor_printf(mon, " Class %02x:", class_id); |
2791104c | 1809 | } |
376253ec | 1810 | monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id); |
2791104c | 1811 | if (product_name[0] != '\0') { |
376253ec | 1812 | monitor_printf(mon, ", %s", product_name); |
2791104c | 1813 | } |
376253ec | 1814 | monitor_printf(mon, "\n"); |
a594cfbf FB |
1815 | } |
1816 | ||
5fafdf24 | 1817 | static int usb_host_info_device(void *opaque, int bus_num, int addr, |
5557d820 | 1818 | char *path, int class_id, |
5fafdf24 | 1819 | int vendor_id, int product_id, |
a594cfbf FB |
1820 | const char *product_name, |
1821 | int speed) | |
1822 | { | |
179da8af BS |
1823 | Monitor *mon = opaque; |
1824 | ||
5557d820 | 1825 | usb_info_device(mon, bus_num, addr, path, class_id, vendor_id, product_id, |
a594cfbf FB |
1826 | product_name, speed); |
1827 | return 0; | |
1828 | } | |
1829 | ||
ac4ffb5a | 1830 | static void dec2str(int val, char *str, size_t size) |
5d0c5750 | 1831 | { |
2791104c | 1832 | if (val == 0) { |
ac4ffb5a | 1833 | snprintf(str, size, "*"); |
2791104c DA |
1834 | } else { |
1835 | snprintf(str, size, "%d", val); | |
1836 | } | |
5d0c5750 AL |
1837 | } |
1838 | ||
ac4ffb5a | 1839 | static void hex2str(int val, char *str, size_t size) |
5d0c5750 | 1840 | { |
2791104c | 1841 | if (val == 0) { |
ac4ffb5a | 1842 | snprintf(str, size, "*"); |
2791104c | 1843 | } else { |
26a9e82a | 1844 | snprintf(str, size, "%04x", val); |
2791104c | 1845 | } |
5d0c5750 AL |
1846 | } |
1847 | ||
376253ec | 1848 | void usb_host_info(Monitor *mon) |
a594cfbf | 1849 | { |
5d0c5750 | 1850 | struct USBAutoFilter *f; |
26a9e82a | 1851 | struct USBHostDevice *s; |
5d0c5750 | 1852 | |
179da8af | 1853 | usb_host_scan(mon, usb_host_info_device); |
5d0c5750 | 1854 | |
2791104c | 1855 | if (QTAILQ_EMPTY(&hostdevs)) { |
26a9e82a | 1856 | return; |
2791104c DA |
1857 | } |
1858 | ||
26a9e82a GH |
1859 | monitor_printf(mon, " Auto filters:\n"); |
1860 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
5d0c5750 | 1861 | char bus[10], addr[10], vid[10], pid[10]; |
26a9e82a | 1862 | f = &s->match; |
ac4ffb5a AL |
1863 | dec2str(f->bus_num, bus, sizeof(bus)); |
1864 | dec2str(f->addr, addr, sizeof(addr)); | |
1865 | hex2str(f->vendor_id, vid, sizeof(vid)); | |
1866 | hex2str(f->product_id, pid, sizeof(pid)); | |
9056a297 GH |
1867 | monitor_printf(mon, " Bus %s, Addr %s, Port %s, ID %s:%s\n", |
1868 | bus, addr, f->port ? f->port : "*", vid, pid); | |
5d0c5750 | 1869 | } |
bb36d470 | 1870 | } |