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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> | |
b9dc033c | 40 | #include <signal.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 HG |
88 | #define ISO_FRAME_DESC_PER_URB 32 |
89 | #define ISO_URB_COUNT 3 | |
a0b5fece | 90 | #define INVALID_EP_TYPE 255 |
060dc841 HG |
91 | |
92 | typedef struct AsyncURB AsyncURB; | |
93 | ||
b9dc033c AZ |
94 | struct endp_data { |
95 | uint8_t type; | |
64838171 | 96 | uint8_t halted; |
bb6d5498 | 97 | uint8_t iso_started; |
060dc841 HG |
98 | AsyncURB *iso_urb; |
99 | int iso_urb_idx; | |
bb6d5498 | 100 | int iso_buffer_used; |
060dc841 | 101 | int max_packet_size; |
b9dc033c AZ |
102 | }; |
103 | ||
26a9e82a GH |
104 | struct USBAutoFilter { |
105 | uint32_t bus_num; | |
106 | uint32_t addr; | |
9056a297 | 107 | char *port; |
26a9e82a GH |
108 | uint32_t vendor_id; |
109 | uint32_t product_id; | |
110 | }; | |
111 | ||
bb36d470 FB |
112 | typedef struct USBHostDevice { |
113 | USBDevice dev; | |
64838171 AL |
114 | int fd; |
115 | ||
116 | uint8_t descr[1024]; | |
117 | int descr_len; | |
118 | int configuration; | |
446ab128 | 119 | int ninterfaces; |
24772c1e | 120 | int closing; |
b373a63a | 121 | Notifier exit; |
64838171 | 122 | |
b9dc033c | 123 | struct endp_data endp_table[MAX_ENDPOINTS]; |
4b096fc9 | 124 | |
4b096fc9 AL |
125 | /* Host side address */ |
126 | int bus_num; | |
127 | int addr; | |
5557d820 | 128 | char port[MAX_PORTLEN]; |
26a9e82a | 129 | struct USBAutoFilter match; |
4b096fc9 | 130 | |
26a9e82a | 131 | QTAILQ_ENTRY(USBHostDevice) next; |
bb36d470 FB |
132 | } USBHostDevice; |
133 | ||
26a9e82a GH |
134 | static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs); |
135 | ||
136 | static int usb_host_close(USBHostDevice *dev); | |
137 | static int parse_filter(const char *spec, struct USBAutoFilter *f); | |
138 | static void usb_host_auto_check(void *unused); | |
2cc59d8c HG |
139 | static int usb_host_read_file(char *line, size_t line_size, |
140 | const char *device_file, const char *device_name); | |
26a9e82a | 141 | |
64838171 AL |
142 | static int is_isoc(USBHostDevice *s, int ep) |
143 | { | |
144 | return s->endp_table[ep - 1].type == USBDEVFS_URB_TYPE_ISO; | |
145 | } | |
146 | ||
a0b5fece HG |
147 | static int is_valid(USBHostDevice *s, int ep) |
148 | { | |
149 | return s->endp_table[ep - 1].type != INVALID_EP_TYPE; | |
150 | } | |
151 | ||
64838171 AL |
152 | static int is_halted(USBHostDevice *s, int ep) |
153 | { | |
154 | return s->endp_table[ep - 1].halted; | |
155 | } | |
156 | ||
157 | static void clear_halt(USBHostDevice *s, int ep) | |
158 | { | |
159 | s->endp_table[ep - 1].halted = 0; | |
160 | } | |
161 | ||
162 | static void set_halt(USBHostDevice *s, int ep) | |
163 | { | |
164 | s->endp_table[ep - 1].halted = 1; | |
165 | } | |
166 | ||
bb6d5498 HG |
167 | static int is_iso_started(USBHostDevice *s, int ep) |
168 | { | |
169 | return s->endp_table[ep - 1].iso_started; | |
170 | } | |
171 | ||
172 | static void clear_iso_started(USBHostDevice *s, int ep) | |
173 | { | |
174 | s->endp_table[ep - 1].iso_started = 0; | |
175 | } | |
176 | ||
177 | static void set_iso_started(USBHostDevice *s, int ep) | |
178 | { | |
179 | s->endp_table[ep - 1].iso_started = 1; | |
180 | } | |
181 | ||
060dc841 HG |
182 | static void set_iso_urb(USBHostDevice *s, int ep, AsyncURB *iso_urb) |
183 | { | |
184 | s->endp_table[ep - 1].iso_urb = iso_urb; | |
185 | } | |
186 | ||
187 | static AsyncURB *get_iso_urb(USBHostDevice *s, int ep) | |
188 | { | |
189 | return s->endp_table[ep - 1].iso_urb; | |
190 | } | |
191 | ||
192 | static void set_iso_urb_idx(USBHostDevice *s, int ep, int i) | |
193 | { | |
194 | s->endp_table[ep - 1].iso_urb_idx = i; | |
195 | } | |
196 | ||
197 | static int get_iso_urb_idx(USBHostDevice *s, int ep) | |
198 | { | |
199 | return s->endp_table[ep - 1].iso_urb_idx; | |
200 | } | |
201 | ||
bb6d5498 HG |
202 | static void set_iso_buffer_used(USBHostDevice *s, int ep, int i) |
203 | { | |
204 | s->endp_table[ep - 1].iso_buffer_used = i; | |
205 | } | |
206 | ||
207 | static int get_iso_buffer_used(USBHostDevice *s, int ep) | |
208 | { | |
209 | return s->endp_table[ep - 1].iso_buffer_used; | |
210 | } | |
211 | ||
060dc841 HG |
212 | static int get_max_packet_size(USBHostDevice *s, int ep) |
213 | { | |
214 | return s->endp_table[ep - 1].max_packet_size; | |
215 | } | |
216 | ||
2791104c | 217 | /* |
64838171 | 218 | * Async URB state. |
060dc841 | 219 | * We always allocate iso packet descriptors even for bulk transfers |
2791104c | 220 | * to simplify allocation and casts. |
64838171 | 221 | */ |
060dc841 | 222 | struct AsyncURB |
64838171 AL |
223 | { |
224 | struct usbdevfs_urb urb; | |
060dc841 | 225 | struct usbdevfs_iso_packet_desc isocpd[ISO_FRAME_DESC_PER_URB]; |
b9dc033c | 226 | |
060dc841 | 227 | /* For regular async urbs */ |
64838171 AL |
228 | USBPacket *packet; |
229 | USBHostDevice *hdev; | |
060dc841 HG |
230 | |
231 | /* For buffered iso handling */ | |
232 | int iso_frame_idx; /* -1 means in flight */ | |
233 | }; | |
b9dc033c | 234 | |
64838171 | 235 | static AsyncURB *async_alloc(void) |
b9dc033c | 236 | { |
64838171 | 237 | return (AsyncURB *) qemu_mallocz(sizeof(AsyncURB)); |
b9dc033c AZ |
238 | } |
239 | ||
64838171 | 240 | static void async_free(AsyncURB *aurb) |
b9dc033c | 241 | { |
64838171 AL |
242 | qemu_free(aurb); |
243 | } | |
b9dc033c | 244 | |
64838171 AL |
245 | static void async_complete(void *opaque) |
246 | { | |
247 | USBHostDevice *s = opaque; | |
248 | AsyncURB *aurb; | |
249 | ||
250 | while (1) { | |
2791104c | 251 | USBPacket *p; |
b9dc033c | 252 | |
2791104c | 253 | int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb); |
64838171 | 254 | if (r < 0) { |
2791104c | 255 | if (errno == EAGAIN) { |
64838171 | 256 | return; |
2791104c | 257 | } |
24772c1e | 258 | if (errno == ENODEV && !s->closing) { |
2791104c DA |
259 | printf("husb: device %d.%d disconnected\n", |
260 | s->bus_num, s->addr); | |
26a9e82a GH |
261 | usb_host_close(s); |
262 | usb_host_auto_check(NULL); | |
64838171 AL |
263 | return; |
264 | } | |
265 | ||
d0f2c4c6 | 266 | DPRINTF("husb: async. reap urb failed errno %d\n", errno); |
64838171 | 267 | return; |
b9dc033c | 268 | } |
64838171 | 269 | |
2791104c | 270 | DPRINTF("husb: async completed. aurb %p status %d alen %d\n", |
64838171 AL |
271 | aurb, aurb->urb.status, aurb->urb.actual_length); |
272 | ||
060dc841 HG |
273 | /* If this is a buffered iso urb mark it as complete and don't do |
274 | anything else (it is handled further in usb_host_handle_iso_data) */ | |
275 | if (aurb->iso_frame_idx == -1) { | |
276 | if (aurb->urb.status == -EPIPE) { | |
277 | set_halt(s, aurb->urb.endpoint & 0xf); | |
278 | } | |
279 | aurb->iso_frame_idx = 0; | |
280 | continue; | |
281 | } | |
282 | ||
283 | p = aurb->packet; | |
284 | ||
2791104c | 285 | if (p) { |
64838171 AL |
286 | switch (aurb->urb.status) { |
287 | case 0: | |
288 | p->len = aurb->urb.actual_length; | |
289 | break; | |
290 | ||
291 | case -EPIPE: | |
292 | set_halt(s, p->devep); | |
2791104c DA |
293 | p->len = USB_RET_STALL; |
294 | break; | |
dcc7e25f | 295 | |
64838171 AL |
296 | default: |
297 | p->len = USB_RET_NAK; | |
298 | break; | |
299 | } | |
300 | ||
50b7963e HG |
301 | if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) { |
302 | usb_generic_async_ctrl_complete(&s->dev, p); | |
303 | } else { | |
304 | usb_packet_complete(&s->dev, p); | |
305 | } | |
2791104c | 306 | } |
64838171 AL |
307 | |
308 | async_free(aurb); | |
b9dc033c | 309 | } |
b9dc033c AZ |
310 | } |
311 | ||
64838171 | 312 | static void async_cancel(USBPacket *unused, void *opaque) |
b9dc033c | 313 | { |
64838171 AL |
314 | AsyncURB *aurb = opaque; |
315 | USBHostDevice *s = aurb->hdev; | |
b9dc033c | 316 | |
d0f2c4c6 | 317 | DPRINTF("husb: async cancel. aurb %p\n", aurb); |
64838171 AL |
318 | |
319 | /* Mark it as dead (see async_complete above) */ | |
320 | aurb->packet = NULL; | |
b9dc033c | 321 | |
64838171 AL |
322 | int r = ioctl(s->fd, USBDEVFS_DISCARDURB, aurb); |
323 | if (r < 0) { | |
d0f2c4c6 | 324 | DPRINTF("husb: async. discard urb failed errno %d\n", errno); |
b9dc033c | 325 | } |
b9dc033c AZ |
326 | } |
327 | ||
446ab128 | 328 | static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration) |
b9dc033c AZ |
329 | { |
330 | int dev_descr_len, config_descr_len; | |
d4c4e6fd | 331 | int interface, nb_interfaces; |
b9dc033c AZ |
332 | int ret, i; |
333 | ||
334 | if (configuration == 0) /* address state - ignore */ | |
335 | return 1; | |
336 | ||
d0f2c4c6 | 337 | DPRINTF("husb: claiming interfaces. config %d\n", configuration); |
446ab128 | 338 | |
b9dc033c AZ |
339 | i = 0; |
340 | dev_descr_len = dev->descr[0]; | |
2791104c | 341 | if (dev_descr_len > dev->descr_len) { |
b9dc033c | 342 | goto fail; |
2791104c | 343 | } |
b9dc033c AZ |
344 | |
345 | i += dev_descr_len; | |
346 | while (i < dev->descr_len) { | |
2791104c DA |
347 | DPRINTF("husb: i is %d, descr_len is %d, dl %d, dt %d\n", |
348 | i, dev->descr_len, | |
b9dc033c | 349 | dev->descr[i], dev->descr[i+1]); |
64838171 | 350 | |
b9dc033c AZ |
351 | if (dev->descr[i+1] != USB_DT_CONFIG) { |
352 | i += dev->descr[i]; | |
353 | continue; | |
354 | } | |
355 | config_descr_len = dev->descr[i]; | |
356 | ||
2791104c | 357 | printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration); |
1f3870ab | 358 | |
446ab128 AL |
359 | if (configuration < 0 || configuration == dev->descr[i + 5]) { |
360 | configuration = dev->descr[i + 5]; | |
b9dc033c | 361 | break; |
446ab128 | 362 | } |
b9dc033c AZ |
363 | |
364 | i += config_descr_len; | |
365 | } | |
366 | ||
367 | if (i >= dev->descr_len) { | |
2791104c DA |
368 | fprintf(stderr, |
369 | "husb: update iface failed. no matching configuration\n"); | |
b9dc033c AZ |
370 | goto fail; |
371 | } | |
372 | nb_interfaces = dev->descr[i + 4]; | |
373 | ||
374 | #ifdef USBDEVFS_DISCONNECT | |
375 | /* earlier Linux 2.4 do not support that */ | |
376 | { | |
377 | struct usbdevfs_ioctl ctrl; | |
378 | for (interface = 0; interface < nb_interfaces; interface++) { | |
379 | ctrl.ioctl_code = USBDEVFS_DISCONNECT; | |
380 | ctrl.ifno = interface; | |
021730f7 | 381 | ctrl.data = 0; |
b9dc033c AZ |
382 | ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl); |
383 | if (ret < 0 && errno != ENODATA) { | |
384 | perror("USBDEVFS_DISCONNECT"); | |
385 | goto fail; | |
386 | } | |
387 | } | |
388 | } | |
389 | #endif | |
390 | ||
391 | /* XXX: only grab if all interfaces are free */ | |
392 | for (interface = 0; interface < nb_interfaces; interface++) { | |
393 | ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface); | |
394 | if (ret < 0) { | |
395 | if (errno == EBUSY) { | |
64838171 | 396 | printf("husb: update iface. device already grabbed\n"); |
b9dc033c | 397 | } else { |
64838171 | 398 | perror("husb: failed to claim interface"); |
b9dc033c AZ |
399 | } |
400 | fail: | |
401 | return 0; | |
402 | } | |
403 | } | |
404 | ||
64838171 | 405 | printf("husb: %d interfaces claimed for configuration %d\n", |
b9dc033c | 406 | nb_interfaces, configuration); |
b9dc033c | 407 | |
446ab128 AL |
408 | dev->ninterfaces = nb_interfaces; |
409 | dev->configuration = configuration; | |
410 | return 1; | |
411 | } | |
412 | ||
413 | static int usb_host_release_interfaces(USBHostDevice *s) | |
414 | { | |
415 | int ret, i; | |
416 | ||
d0f2c4c6 | 417 | DPRINTF("husb: releasing interfaces\n"); |
446ab128 AL |
418 | |
419 | for (i = 0; i < s->ninterfaces; i++) { | |
420 | ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i); | |
421 | if (ret < 0) { | |
422 | perror("husb: failed to release interface"); | |
423 | return 0; | |
424 | } | |
425 | } | |
426 | ||
b9dc033c AZ |
427 | return 1; |
428 | } | |
429 | ||
059809e4 | 430 | static void usb_host_handle_reset(USBDevice *dev) |
bb36d470 | 431 | { |
26a9e82a | 432 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 433 | |
d0f2c4c6 | 434 | DPRINTF("husb: reset device %u.%u\n", s->bus_num, s->addr); |
64838171 | 435 | |
bb36d470 | 436 | ioctl(s->fd, USBDEVFS_RESET); |
446ab128 AL |
437 | |
438 | usb_host_claim_interfaces(s, s->configuration); | |
5fafdf24 | 439 | } |
bb36d470 | 440 | |
059809e4 FB |
441 | static void usb_host_handle_destroy(USBDevice *dev) |
442 | { | |
443 | USBHostDevice *s = (USBHostDevice *)dev; | |
444 | ||
26a9e82a GH |
445 | usb_host_close(s); |
446 | QTAILQ_REMOVE(&hostdevs, s, next); | |
b373a63a | 447 | qemu_remove_exit_notifier(&s->exit); |
059809e4 FB |
448 | } |
449 | ||
b9dc033c AZ |
450 | static int usb_linux_update_endp_table(USBHostDevice *s); |
451 | ||
060dc841 HG |
452 | /* iso data is special, we need to keep enough urbs in flight to make sure |
453 | that the controller never runs out of them, otherwise the device will | |
454 | likely suffer a buffer underrun / overrun. */ | |
455 | static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, uint8_t ep, int in) | |
456 | { | |
457 | AsyncURB *aurb; | |
458 | int i, j, len = get_max_packet_size(s, ep); | |
459 | ||
460 | aurb = qemu_mallocz(ISO_URB_COUNT * sizeof(*aurb)); | |
461 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
462 | aurb[i].urb.endpoint = ep; | |
463 | aurb[i].urb.buffer_length = ISO_FRAME_DESC_PER_URB * len; | |
464 | aurb[i].urb.buffer = qemu_malloc(aurb[i].urb.buffer_length); | |
465 | aurb[i].urb.type = USBDEVFS_URB_TYPE_ISO; | |
466 | aurb[i].urb.flags = USBDEVFS_URB_ISO_ASAP; | |
467 | aurb[i].urb.number_of_packets = ISO_FRAME_DESC_PER_URB; | |
468 | for (j = 0 ; j < ISO_FRAME_DESC_PER_URB; j++) | |
469 | aurb[i].urb.iso_frame_desc[j].length = len; | |
470 | if (in) { | |
471 | aurb[i].urb.endpoint |= 0x80; | |
472 | /* Mark as fully consumed (idle) */ | |
473 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB; | |
474 | } | |
475 | } | |
476 | set_iso_urb(s, ep, aurb); | |
477 | ||
478 | return aurb; | |
479 | } | |
480 | ||
481 | static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep) | |
482 | { | |
483 | AsyncURB *aurb; | |
484 | int i, ret, killed = 0, free = 1; | |
485 | ||
486 | aurb = get_iso_urb(s, ep); | |
487 | if (!aurb) { | |
488 | return; | |
489 | } | |
490 | ||
491 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
492 | /* in flight? */ | |
493 | if (aurb[i].iso_frame_idx == -1) { | |
494 | ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]); | |
495 | if (ret < 0) { | |
496 | printf("husb: discard isoc in urb failed errno %d\n", errno); | |
497 | free = 0; | |
498 | continue; | |
499 | } | |
500 | killed++; | |
501 | } | |
502 | } | |
503 | ||
504 | /* Make sure any urbs we've killed are reaped before we free them */ | |
505 | if (killed) { | |
506 | async_complete(s); | |
507 | } | |
508 | ||
509 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
510 | qemu_free(aurb[i].urb.buffer); | |
511 | } | |
512 | ||
513 | if (free) | |
514 | qemu_free(aurb); | |
515 | else | |
516 | printf("husb: leaking iso urbs because of discard failure\n"); | |
517 | set_iso_urb(s, ep, NULL); | |
bb6d5498 HG |
518 | set_iso_urb_idx(s, ep, 0); |
519 | clear_iso_started(s, ep); | |
060dc841 HG |
520 | } |
521 | ||
522 | static int urb_status_to_usb_ret(int status) | |
523 | { | |
524 | switch (status) { | |
525 | case -EPIPE: | |
526 | return USB_RET_STALL; | |
527 | default: | |
528 | return USB_RET_NAK; | |
529 | } | |
530 | } | |
531 | ||
bb6d5498 | 532 | static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in) |
060dc841 HG |
533 | { |
534 | AsyncURB *aurb; | |
bb6d5498 | 535 | int i, j, ret, max_packet_size, offset, len = 0; |
975f2998 HG |
536 | |
537 | max_packet_size = get_max_packet_size(s, p->devep); | |
538 | if (max_packet_size == 0) | |
539 | return USB_RET_NAK; | |
060dc841 HG |
540 | |
541 | aurb = get_iso_urb(s, p->devep); | |
542 | if (!aurb) { | |
bb6d5498 | 543 | aurb = usb_host_alloc_iso(s, p->devep, in); |
060dc841 HG |
544 | } |
545 | ||
546 | i = get_iso_urb_idx(s, p->devep); | |
547 | j = aurb[i].iso_frame_idx; | |
548 | if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) { | |
bb6d5498 HG |
549 | if (in) { |
550 | /* Check urb status */ | |
551 | if (aurb[i].urb.status) { | |
552 | len = urb_status_to_usb_ret(aurb[i].urb.status); | |
553 | /* Move to the next urb */ | |
554 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB - 1; | |
555 | /* Check frame status */ | |
556 | } else if (aurb[i].urb.iso_frame_desc[j].status) { | |
557 | len = urb_status_to_usb_ret( | |
558 | aurb[i].urb.iso_frame_desc[j].status); | |
559 | /* Check the frame fits */ | |
560 | } else if (aurb[i].urb.iso_frame_desc[j].actual_length > p->len) { | |
561 | printf("husb: received iso data is larger then packet\n"); | |
562 | len = USB_RET_NAK; | |
563 | /* All good copy data over */ | |
564 | } else { | |
565 | len = aurb[i].urb.iso_frame_desc[j].actual_length; | |
566 | memcpy(p->data, | |
567 | aurb[i].urb.buffer + | |
568 | j * aurb[i].urb.iso_frame_desc[0].length, | |
569 | len); | |
570 | } | |
060dc841 | 571 | } else { |
bb6d5498 HG |
572 | len = p->len; |
573 | offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->devep); | |
574 | ||
575 | /* Check the frame fits */ | |
576 | if (len > max_packet_size) { | |
577 | printf("husb: send iso data is larger then max packet size\n"); | |
578 | return USB_RET_NAK; | |
579 | } | |
580 | ||
581 | /* All good copy data over */ | |
582 | memcpy(aurb[i].urb.buffer + offset, p->data, len); | |
583 | aurb[i].urb.iso_frame_desc[j].length = len; | |
584 | offset += len; | |
585 | set_iso_buffer_used(s, p->devep, offset); | |
586 | ||
587 | /* Start the stream once we have buffered enough data */ | |
588 | if (!is_iso_started(s, p->devep) && i == 1 && j == 8) { | |
589 | set_iso_started(s, p->devep); | |
590 | } | |
060dc841 HG |
591 | } |
592 | aurb[i].iso_frame_idx++; | |
593 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { | |
594 | i = (i + 1) % ISO_URB_COUNT; | |
595 | set_iso_urb_idx(s, p->devep, i); | |
596 | } | |
bb6d5498 HG |
597 | } else { |
598 | if (in) { | |
599 | set_iso_started(s, p->devep); | |
600 | } else { | |
601 | DPRINTF("hubs: iso out error no free buffer, dropping packet\n"); | |
602 | } | |
060dc841 HG |
603 | } |
604 | ||
bb6d5498 HG |
605 | if (is_iso_started(s, p->devep)) { |
606 | /* (Re)-submit all fully consumed / filled urbs */ | |
607 | for (i = 0; i < ISO_URB_COUNT; i++) { | |
608 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { | |
609 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]); | |
610 | if (ret < 0) { | |
611 | printf("husb error submitting iso urb %d: %d\n", i, errno); | |
612 | if (!in || len == 0) { | |
613 | switch(errno) { | |
614 | case ETIMEDOUT: | |
615 | len = USB_RET_NAK; | |
0225e254 | 616 | break; |
bb6d5498 HG |
617 | case EPIPE: |
618 | default: | |
619 | len = USB_RET_STALL; | |
620 | } | |
060dc841 | 621 | } |
bb6d5498 | 622 | break; |
060dc841 | 623 | } |
bb6d5498 | 624 | aurb[i].iso_frame_idx = -1; |
060dc841 | 625 | } |
060dc841 HG |
626 | } |
627 | } | |
628 | ||
629 | return len; | |
630 | } | |
631 | ||
50b7963e | 632 | static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
bb36d470 | 633 | { |
50b7963e | 634 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 635 | struct usbdevfs_urb *urb; |
446ab128 | 636 | AsyncURB *aurb; |
bb36d470 | 637 | int ret; |
060dc841 | 638 | uint8_t ep; |
b9dc033c | 639 | |
a0b5fece HG |
640 | if (!is_valid(s, p->devep)) { |
641 | return USB_RET_NAK; | |
642 | } | |
643 | ||
2791104c | 644 | if (p->pid == USB_TOKEN_IN) { |
060dc841 | 645 | ep = p->devep | 0x80; |
2791104c | 646 | } else { |
060dc841 | 647 | ep = p->devep; |
2791104c | 648 | } |
64838171 AL |
649 | |
650 | if (is_halted(s, p->devep)) { | |
060dc841 | 651 | ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &ep); |
64838171 | 652 | if (ret < 0) { |
2791104c | 653 | DPRINTF("husb: failed to clear halt. ep 0x%x errno %d\n", |
060dc841 | 654 | ep, errno); |
bb36d470 | 655 | return USB_RET_NAK; |
bb36d470 | 656 | } |
64838171 | 657 | clear_halt(s, p->devep); |
4d043a09 AZ |
658 | } |
659 | ||
bb6d5498 HG |
660 | if (is_isoc(s, p->devep)) { |
661 | return usb_host_handle_iso_data(s, p, p->pid == USB_TOKEN_IN); | |
662 | } | |
060dc841 HG |
663 | |
664 | aurb = async_alloc(); | |
665 | aurb->hdev = s; | |
666 | aurb->packet = p; | |
667 | ||
668 | urb = &aurb->urb; | |
669 | ||
670 | urb->endpoint = ep; | |
64838171 AL |
671 | urb->buffer = p->data; |
672 | urb->buffer_length = p->len; | |
bb6d5498 HG |
673 | urb->type = USBDEVFS_URB_TYPE_BULK; |
674 | urb->usercontext = s; | |
b9dc033c | 675 | |
64838171 | 676 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
b9dc033c | 677 | |
2791104c DA |
678 | DPRINTF("husb: data submit. ep 0x%x len %u aurb %p\n", |
679 | urb->endpoint, p->len, aurb); | |
b9dc033c | 680 | |
64838171 | 681 | if (ret < 0) { |
d0f2c4c6 | 682 | DPRINTF("husb: submit failed. errno %d\n", errno); |
64838171 | 683 | async_free(aurb); |
b9dc033c | 684 | |
b9dc033c AZ |
685 | switch(errno) { |
686 | case ETIMEDOUT: | |
687 | return USB_RET_NAK; | |
688 | case EPIPE: | |
689 | default: | |
690 | return USB_RET_STALL; | |
691 | } | |
692 | } | |
64838171 AL |
693 | |
694 | usb_defer_packet(p, async_cancel, aurb); | |
b9dc033c | 695 | return USB_RET_ASYNC; |
b9dc033c AZ |
696 | } |
697 | ||
446ab128 AL |
698 | static int ctrl_error(void) |
699 | { | |
2791104c | 700 | if (errno == ETIMEDOUT) { |
446ab128 | 701 | return USB_RET_NAK; |
2791104c | 702 | } else { |
446ab128 | 703 | return USB_RET_STALL; |
2791104c | 704 | } |
446ab128 AL |
705 | } |
706 | ||
707 | static int usb_host_set_address(USBHostDevice *s, int addr) | |
708 | { | |
d0f2c4c6 | 709 | DPRINTF("husb: ctrl set addr %u\n", addr); |
446ab128 AL |
710 | s->dev.addr = addr; |
711 | return 0; | |
712 | } | |
713 | ||
714 | static int usb_host_set_config(USBHostDevice *s, int config) | |
715 | { | |
716 | usb_host_release_interfaces(s); | |
717 | ||
718 | int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config); | |
2791104c | 719 | |
d0f2c4c6 | 720 | DPRINTF("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno); |
2791104c DA |
721 | |
722 | if (ret < 0) { | |
446ab128 | 723 | return ctrl_error(); |
2791104c | 724 | } |
446ab128 AL |
725 | usb_host_claim_interfaces(s, config); |
726 | return 0; | |
727 | } | |
728 | ||
729 | static int usb_host_set_interface(USBHostDevice *s, int iface, int alt) | |
730 | { | |
731 | struct usbdevfs_setinterface si; | |
060dc841 HG |
732 | int i, ret; |
733 | ||
3a4854b3 | 734 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
060dc841 HG |
735 | if (is_isoc(s, i)) { |
736 | usb_host_stop_n_free_iso(s, i); | |
737 | } | |
738 | } | |
446ab128 AL |
739 | |
740 | si.interface = iface; | |
741 | si.altsetting = alt; | |
742 | ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si); | |
446ab128 | 743 | |
2791104c DA |
744 | DPRINTF("husb: ctrl set iface %d altset %d ret %d errno %d\n", |
745 | iface, alt, ret, errno); | |
746 | ||
747 | if (ret < 0) { | |
748 | return ctrl_error(); | |
749 | } | |
446ab128 AL |
750 | usb_linux_update_endp_table(s); |
751 | return 0; | |
752 | } | |
753 | ||
50b7963e HG |
754 | static int usb_host_handle_control(USBDevice *dev, USBPacket *p, |
755 | int request, int value, int index, int length, uint8_t *data) | |
446ab128 | 756 | { |
50b7963e | 757 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
446ab128 AL |
758 | struct usbdevfs_urb *urb; |
759 | AsyncURB *aurb; | |
50b7963e | 760 | int ret; |
446ab128 | 761 | |
2791104c | 762 | /* |
446ab128 AL |
763 | * Process certain standard device requests. |
764 | * These are infrequent and are processed synchronously. | |
765 | */ | |
446ab128 | 766 | |
50b7963e | 767 | /* Note request is (bRequestType << 8) | bRequest */ |
d0f2c4c6 | 768 | DPRINTF("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n", |
50b7963e | 769 | request >> 8, request & 0xff, value, index, length); |
446ab128 | 770 | |
50b7963e HG |
771 | switch (request) { |
772 | case DeviceOutRequest | USB_REQ_SET_ADDRESS: | |
773 | return usb_host_set_address(s, value); | |
446ab128 | 774 | |
50b7963e HG |
775 | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: |
776 | return usb_host_set_config(s, value & 0xff); | |
446ab128 | 777 | |
50b7963e | 778 | case InterfaceOutRequest | USB_REQ_SET_INTERFACE: |
446ab128 | 779 | return usb_host_set_interface(s, index, value); |
2791104c | 780 | } |
446ab128 AL |
781 | |
782 | /* The rest are asynchronous */ | |
783 | ||
50b7963e HG |
784 | if (length > sizeof(dev->data_buf)) { |
785 | fprintf(stderr, "husb: ctrl buffer too small (%d > %zu)\n", | |
786 | length, sizeof(dev->data_buf)); | |
b2e3b6e9 | 787 | return USB_RET_STALL; |
c4c0e236 JP |
788 | } |
789 | ||
446ab128 | 790 | aurb = async_alloc(); |
446ab128 AL |
791 | aurb->hdev = s; |
792 | aurb->packet = p; | |
793 | ||
2791104c | 794 | /* |
446ab128 AL |
795 | * Setup ctrl transfer. |
796 | * | |
a0102082 | 797 | * s->ctrl is laid out such that data buffer immediately follows |
446ab128 | 798 | * 'req' struct which is exactly what usbdevfs expects. |
2791104c | 799 | */ |
446ab128 AL |
800 | urb = &aurb->urb; |
801 | ||
802 | urb->type = USBDEVFS_URB_TYPE_CONTROL; | |
803 | urb->endpoint = p->devep; | |
804 | ||
50b7963e HG |
805 | urb->buffer = &dev->setup_buf; |
806 | urb->buffer_length = length + 8; | |
446ab128 AL |
807 | |
808 | urb->usercontext = s; | |
809 | ||
810 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); | |
811 | ||
d0f2c4c6 | 812 | DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb); |
446ab128 AL |
813 | |
814 | if (ret < 0) { | |
d0f2c4c6 | 815 | DPRINTF("husb: submit failed. errno %d\n", errno); |
446ab128 AL |
816 | async_free(aurb); |
817 | ||
818 | switch(errno) { | |
819 | case ETIMEDOUT: | |
820 | return USB_RET_NAK; | |
821 | case EPIPE: | |
822 | default: | |
823 | return USB_RET_STALL; | |
824 | } | |
825 | } | |
826 | ||
827 | usb_defer_packet(p, async_cancel, aurb); | |
828 | return USB_RET_ASYNC; | |
829 | } | |
830 | ||
71d71bbd | 831 | static int usb_linux_get_configuration(USBHostDevice *s) |
b9dc033c | 832 | { |
71d71bbd | 833 | uint8_t configuration; |
e41b3910 | 834 | struct usb_ctrltransfer ct; |
71d71bbd | 835 | int ret; |
b9dc033c | 836 | |
2cc59d8c HG |
837 | if (usb_fs_type == USB_FS_SYS) { |
838 | char device_name[32], line[1024]; | |
839 | int configuration; | |
840 | ||
5557d820 | 841 | sprintf(device_name, "%d-%s", s->bus_num, s->port); |
2cc59d8c HG |
842 | |
843 | if (!usb_host_read_file(line, sizeof(line), "bConfigurationValue", | |
844 | device_name)) { | |
845 | goto usbdevfs; | |
846 | } | |
847 | if (sscanf(line, "%d", &configuration) != 1) { | |
848 | goto usbdevfs; | |
849 | } | |
850 | return configuration; | |
851 | } | |
852 | ||
853 | usbdevfs: | |
b9dc033c AZ |
854 | ct.bRequestType = USB_DIR_IN; |
855 | ct.bRequest = USB_REQ_GET_CONFIGURATION; | |
856 | ct.wValue = 0; | |
857 | ct.wIndex = 0; | |
858 | ct.wLength = 1; | |
859 | ct.data = &configuration; | |
860 | ct.timeout = 50; | |
861 | ||
862 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); | |
863 | if (ret < 0) { | |
71d71bbd HG |
864 | perror("usb_linux_get_configuration"); |
865 | return -1; | |
b9dc033c AZ |
866 | } |
867 | ||
868 | /* in address state */ | |
2791104c | 869 | if (configuration == 0) { |
71d71bbd | 870 | return -1; |
2791104c | 871 | } |
b9dc033c | 872 | |
71d71bbd HG |
873 | return configuration; |
874 | } | |
875 | ||
ed3a328d HG |
876 | static uint8_t usb_linux_get_alt_setting(USBHostDevice *s, |
877 | uint8_t configuration, uint8_t interface) | |
878 | { | |
879 | uint8_t alt_setting; | |
880 | struct usb_ctrltransfer ct; | |
881 | int ret; | |
882 | ||
c43831fb HG |
883 | if (usb_fs_type == USB_FS_SYS) { |
884 | char device_name[64], line[1024]; | |
885 | int alt_setting; | |
886 | ||
5557d820 | 887 | sprintf(device_name, "%d-%s:%d.%d", s->bus_num, s->port, |
c43831fb HG |
888 | (int)configuration, (int)interface); |
889 | ||
890 | if (!usb_host_read_file(line, sizeof(line), "bAlternateSetting", | |
891 | device_name)) { | |
892 | goto usbdevfs; | |
893 | } | |
894 | if (sscanf(line, "%d", &alt_setting) != 1) { | |
895 | goto usbdevfs; | |
896 | } | |
897 | return alt_setting; | |
898 | } | |
899 | ||
900 | usbdevfs: | |
ed3a328d HG |
901 | ct.bRequestType = USB_DIR_IN | USB_RECIP_INTERFACE; |
902 | ct.bRequest = USB_REQ_GET_INTERFACE; | |
903 | ct.wValue = 0; | |
904 | ct.wIndex = interface; | |
905 | ct.wLength = 1; | |
906 | ct.data = &alt_setting; | |
907 | ct.timeout = 50; | |
908 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); | |
909 | if (ret < 0) { | |
910 | /* Assume alt 0 on error */ | |
911 | return 0; | |
912 | } | |
913 | ||
914 | return alt_setting; | |
915 | } | |
916 | ||
71d71bbd HG |
917 | /* returns 1 on problem encountered or 0 for success */ |
918 | static int usb_linux_update_endp_table(USBHostDevice *s) | |
919 | { | |
920 | uint8_t *descriptors; | |
921 | uint8_t devep, type, configuration, alt_interface; | |
ed3a328d | 922 | int interface, length, i; |
71d71bbd | 923 | |
a0b5fece HG |
924 | for (i = 0; i < MAX_ENDPOINTS; i++) |
925 | s->endp_table[i].type = INVALID_EP_TYPE; | |
926 | ||
71d71bbd HG |
927 | i = usb_linux_get_configuration(s); |
928 | if (i < 0) | |
929 | return 1; | |
930 | configuration = i; | |
931 | ||
b9dc033c AZ |
932 | /* get the desired configuration, interface, and endpoint descriptors |
933 | * from device description */ | |
934 | descriptors = &s->descr[18]; | |
935 | length = s->descr_len - 18; | |
936 | i = 0; | |
937 | ||
938 | if (descriptors[i + 1] != USB_DT_CONFIG || | |
939 | descriptors[i + 5] != configuration) { | |
d0f2c4c6 | 940 | DPRINTF("invalid descriptor data - configuration\n"); |
b9dc033c AZ |
941 | return 1; |
942 | } | |
943 | i += descriptors[i]; | |
944 | ||
945 | while (i < length) { | |
946 | if (descriptors[i + 1] != USB_DT_INTERFACE || | |
947 | (descriptors[i + 1] == USB_DT_INTERFACE && | |
948 | descriptors[i + 4] == 0)) { | |
949 | i += descriptors[i]; | |
950 | continue; | |
951 | } | |
952 | ||
953 | interface = descriptors[i + 2]; | |
ed3a328d | 954 | alt_interface = usb_linux_get_alt_setting(s, configuration, interface); |
b9dc033c AZ |
955 | |
956 | /* the current interface descriptor is the active interface | |
957 | * and has endpoints */ | |
958 | if (descriptors[i + 3] != alt_interface) { | |
959 | i += descriptors[i]; | |
960 | continue; | |
961 | } | |
962 | ||
963 | /* advance to the endpoints */ | |
2791104c | 964 | while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) { |
b9dc033c | 965 | i += descriptors[i]; |
2791104c | 966 | } |
b9dc033c AZ |
967 | |
968 | if (i >= length) | |
969 | break; | |
970 | ||
971 | while (i < length) { | |
2791104c | 972 | if (descriptors[i + 1] != USB_DT_ENDPOINT) { |
b9dc033c | 973 | break; |
2791104c | 974 | } |
b9dc033c AZ |
975 | |
976 | devep = descriptors[i + 2]; | |
977 | switch (descriptors[i + 3] & 0x3) { | |
978 | case 0x00: | |
979 | type = USBDEVFS_URB_TYPE_CONTROL; | |
980 | break; | |
981 | case 0x01: | |
982 | type = USBDEVFS_URB_TYPE_ISO; | |
060dc841 HG |
983 | s->endp_table[(devep & 0xf) - 1].max_packet_size = |
984 | descriptors[i + 4] + (descriptors[i + 5] << 8); | |
b9dc033c AZ |
985 | break; |
986 | case 0x02: | |
987 | type = USBDEVFS_URB_TYPE_BULK; | |
988 | break; | |
989 | case 0x03: | |
990 | type = USBDEVFS_URB_TYPE_INTERRUPT; | |
991 | break; | |
ddbda432 AL |
992 | default: |
993 | DPRINTF("usb_host: malformed endpoint type\n"); | |
994 | type = USBDEVFS_URB_TYPE_BULK; | |
b9dc033c AZ |
995 | } |
996 | s->endp_table[(devep & 0xf) - 1].type = type; | |
64838171 | 997 | s->endp_table[(devep & 0xf) - 1].halted = 0; |
b9dc033c AZ |
998 | |
999 | i += descriptors[i]; | |
1000 | } | |
1001 | } | |
1002 | return 0; | |
1003 | } | |
1004 | ||
26a9e82a | 1005 | static int usb_host_open(USBHostDevice *dev, int bus_num, |
5557d820 | 1006 | int addr, char *port, const char *prod_name) |
bb36d470 | 1007 | { |
b9dc033c | 1008 | int fd = -1, ret; |
bb36d470 | 1009 | struct usbdevfs_connectinfo ci; |
a594cfbf | 1010 | char buf[1024]; |
1f3870ab | 1011 | |
2791104c | 1012 | if (dev->fd != -1) { |
26a9e82a | 1013 | goto fail; |
2791104c | 1014 | } |
64838171 | 1015 | printf("husb: open device %d.%d\n", bus_num, addr); |
3b46e624 | 1016 | |
0f431527 AL |
1017 | if (!usb_host_device_path) { |
1018 | perror("husb: USB Host Device Path not set"); | |
1019 | goto fail; | |
1020 | } | |
1021 | snprintf(buf, sizeof(buf), "%s/%03d/%03d", usb_host_device_path, | |
a594cfbf | 1022 | bus_num, addr); |
b9dc033c | 1023 | fd = open(buf, O_RDWR | O_NONBLOCK); |
bb36d470 | 1024 | if (fd < 0) { |
a594cfbf | 1025 | perror(buf); |
1f3870ab | 1026 | goto fail; |
bb36d470 | 1027 | } |
d0f2c4c6 | 1028 | DPRINTF("husb: opened %s\n", buf); |
bb36d470 | 1029 | |
806b6024 GH |
1030 | dev->bus_num = bus_num; |
1031 | dev->addr = addr; | |
5557d820 | 1032 | strcpy(dev->port, port); |
22f84e73 | 1033 | dev->fd = fd; |
806b6024 | 1034 | |
b9dc033c AZ |
1035 | /* read the device description */ |
1036 | dev->descr_len = read(fd, dev->descr, sizeof(dev->descr)); | |
1037 | if (dev->descr_len <= 0) { | |
64838171 | 1038 | perror("husb: reading device data failed"); |
bb36d470 FB |
1039 | goto fail; |
1040 | } | |
3b46e624 | 1041 | |
b9dc033c | 1042 | #ifdef DEBUG |
868bfe2b | 1043 | { |
b9dc033c AZ |
1044 | int x; |
1045 | printf("=== begin dumping device descriptor data ===\n"); | |
2791104c | 1046 | for (x = 0; x < dev->descr_len; x++) { |
b9dc033c | 1047 | printf("%02x ", dev->descr[x]); |
2791104c | 1048 | } |
b9dc033c | 1049 | printf("\n=== end dumping device descriptor data ===\n"); |
bb36d470 | 1050 | } |
a594cfbf FB |
1051 | #endif |
1052 | ||
b9dc033c | 1053 | |
2791104c DA |
1054 | /* |
1055 | * Initial configuration is -1 which makes us claim first | |
446ab128 | 1056 | * available config. We used to start with 1, which does not |
2791104c | 1057 | * always work. I've seen devices where first config starts |
446ab128 AL |
1058 | * with 2. |
1059 | */ | |
2791104c | 1060 | if (!usb_host_claim_interfaces(dev, -1)) { |
b9dc033c | 1061 | goto fail; |
2791104c | 1062 | } |
bb36d470 FB |
1063 | |
1064 | ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); | |
1065 | if (ret < 0) { | |
046833ea | 1066 | perror("usb_host_device_open: USBDEVFS_CONNECTINFO"); |
bb36d470 FB |
1067 | goto fail; |
1068 | } | |
1069 | ||
64838171 | 1070 | printf("husb: grabbed usb device %d.%d\n", bus_num, addr); |
bb36d470 | 1071 | |
b9dc033c | 1072 | ret = usb_linux_update_endp_table(dev); |
2791104c | 1073 | if (ret) { |
bb36d470 | 1074 | goto fail; |
2791104c | 1075 | } |
b9dc033c | 1076 | |
2791104c | 1077 | if (ci.slow) { |
bb36d470 | 1078 | dev->dev.speed = USB_SPEED_LOW; |
2791104c | 1079 | } else { |
bb36d470 | 1080 | dev->dev.speed = USB_SPEED_HIGH; |
2791104c | 1081 | } |
bb36d470 | 1082 | |
2791104c | 1083 | if (!prod_name || prod_name[0] == '\0') { |
0fe6d12e | 1084 | snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1085 | "host:%d.%d", bus_num, addr); |
2791104c | 1086 | } else { |
0fe6d12e | 1087 | pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1088 | prod_name); |
2791104c | 1089 | } |
1f6e24e7 | 1090 | |
64838171 AL |
1091 | /* USB devio uses 'write' flag to check for async completions */ |
1092 | qemu_set_fd_handler(dev->fd, NULL, async_complete, dev); | |
1f3870ab | 1093 | |
26a9e82a GH |
1094 | usb_device_attach(&dev->dev); |
1095 | return 0; | |
4b096fc9 | 1096 | |
b9dc033c | 1097 | fail: |
26a9e82a | 1098 | dev->fd = -1; |
2791104c | 1099 | if (fd != -1) { |
806b6024 | 1100 | close(fd); |
2791104c | 1101 | } |
26a9e82a GH |
1102 | return -1; |
1103 | } | |
1104 | ||
1105 | static int usb_host_close(USBHostDevice *dev) | |
1106 | { | |
060dc841 HG |
1107 | int i; |
1108 | ||
2791104c | 1109 | if (dev->fd == -1) { |
26a9e82a | 1110 | return -1; |
2791104c | 1111 | } |
26a9e82a GH |
1112 | |
1113 | qemu_set_fd_handler(dev->fd, NULL, NULL, NULL); | |
1114 | dev->closing = 1; | |
3a4854b3 | 1115 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
060dc841 HG |
1116 | if (is_isoc(dev, i)) { |
1117 | usb_host_stop_n_free_iso(dev, i); | |
1118 | } | |
1119 | } | |
26a9e82a GH |
1120 | async_complete(dev); |
1121 | dev->closing = 0; | |
1122 | usb_device_detach(&dev->dev); | |
00ff227a | 1123 | ioctl(dev->fd, USBDEVFS_RESET); |
26a9e82a GH |
1124 | close(dev->fd); |
1125 | dev->fd = -1; | |
1126 | return 0; | |
1127 | } | |
1128 | ||
b373a63a SH |
1129 | static void usb_host_exit_notifier(struct Notifier* n) |
1130 | { | |
1131 | USBHostDevice *s = container_of(n, USBHostDevice, exit); | |
1132 | ||
1133 | if (s->fd != -1) { | |
1134 | ioctl(s->fd, USBDEVFS_RESET); | |
1135 | } | |
1136 | } | |
1137 | ||
26a9e82a GH |
1138 | static int usb_host_initfn(USBDevice *dev) |
1139 | { | |
1140 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); | |
1141 | ||
1142 | dev->auto_attach = 0; | |
1143 | s->fd = -1; | |
1144 | QTAILQ_INSERT_TAIL(&hostdevs, s, next); | |
b373a63a SH |
1145 | s->exit.notify = usb_host_exit_notifier; |
1146 | qemu_add_exit_notifier(&s->exit); | |
26a9e82a GH |
1147 | usb_host_auto_check(NULL); |
1148 | return 0; | |
a594cfbf | 1149 | } |
bb36d470 | 1150 | |
806b6024 | 1151 | static struct USBDeviceInfo usb_host_dev_info = { |
06384698 | 1152 | .product_desc = "USB Host Device", |
556cd098 | 1153 | .qdev.name = "usb-host", |
806b6024 GH |
1154 | .qdev.size = sizeof(USBHostDevice), |
1155 | .init = usb_host_initfn, | |
50b7963e HG |
1156 | .handle_packet = usb_generic_handle_packet, |
1157 | .handle_data = usb_host_handle_data, | |
1158 | .handle_control = usb_host_handle_control, | |
806b6024 | 1159 | .handle_reset = usb_host_handle_reset, |
806b6024 | 1160 | .handle_destroy = usb_host_handle_destroy, |
26a9e82a GH |
1161 | .usbdevice_name = "host", |
1162 | .usbdevice_init = usb_host_device_open, | |
1163 | .qdev.props = (Property[]) { | |
1164 | DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0), | |
1165 | DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0), | |
9056a297 | 1166 | DEFINE_PROP_STRING("hostport", USBHostDevice, match.port), |
26a9e82a GH |
1167 | DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0), |
1168 | DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0), | |
1169 | DEFINE_PROP_END_OF_LIST(), | |
1170 | }, | |
806b6024 GH |
1171 | }; |
1172 | ||
1173 | static void usb_host_register_devices(void) | |
1174 | { | |
1175 | usb_qdev_register(&usb_host_dev_info); | |
1176 | } | |
1177 | device_init(usb_host_register_devices) | |
1178 | ||
4b096fc9 AL |
1179 | USBDevice *usb_host_device_open(const char *devname) |
1180 | { | |
0745eb1e | 1181 | struct USBAutoFilter filter; |
26a9e82a | 1182 | USBDevice *dev; |
26a9e82a GH |
1183 | char *p; |
1184 | ||
556cd098 | 1185 | dev = usb_create(NULL /* FIXME */, "usb-host"); |
4b096fc9 | 1186 | |
5d0c5750 | 1187 | if (strstr(devname, "auto:")) { |
2791104c | 1188 | if (parse_filter(devname, &filter) < 0) { |
26a9e82a | 1189 | goto fail; |
2791104c | 1190 | } |
26a9e82a GH |
1191 | } else { |
1192 | if ((p = strchr(devname, '.'))) { | |
0745eb1e MA |
1193 | filter.bus_num = strtoul(devname, NULL, 0); |
1194 | filter.addr = strtoul(p + 1, NULL, 0); | |
1195 | filter.vendor_id = 0; | |
1196 | filter.product_id = 0; | |
26a9e82a | 1197 | } else if ((p = strchr(devname, ':'))) { |
0745eb1e MA |
1198 | filter.bus_num = 0; |
1199 | filter.addr = 0; | |
26a9e82a | 1200 | filter.vendor_id = strtoul(devname, NULL, 16); |
0745eb1e | 1201 | filter.product_id = strtoul(p + 1, NULL, 16); |
26a9e82a GH |
1202 | } else { |
1203 | goto fail; | |
1204 | } | |
5d0c5750 | 1205 | } |
4b096fc9 | 1206 | |
0745eb1e MA |
1207 | qdev_prop_set_uint32(&dev->qdev, "hostbus", filter.bus_num); |
1208 | qdev_prop_set_uint32(&dev->qdev, "hostaddr", filter.addr); | |
26a9e82a GH |
1209 | qdev_prop_set_uint32(&dev->qdev, "vendorid", filter.vendor_id); |
1210 | qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id); | |
beb6f0de | 1211 | qdev_init_nofail(&dev->qdev); |
26a9e82a | 1212 | return dev; |
5d0c5750 | 1213 | |
26a9e82a GH |
1214 | fail: |
1215 | qdev_free(&dev->qdev); | |
1216 | return NULL; | |
4b096fc9 | 1217 | } |
5d0c5750 AL |
1218 | |
1219 | int usb_host_device_close(const char *devname) | |
1220 | { | |
26a9e82a | 1221 | #if 0 |
5d0c5750 AL |
1222 | char product_name[PRODUCT_NAME_SZ]; |
1223 | int bus_num, addr; | |
1224 | USBHostDevice *s; | |
1225 | ||
2791104c | 1226 | if (strstr(devname, "auto:")) { |
5d0c5750 | 1227 | return usb_host_auto_del(devname); |
2791104c DA |
1228 | } |
1229 | if (usb_host_find_device(&bus_num, &addr, product_name, | |
1230 | sizeof(product_name), devname) < 0) { | |
5d0c5750 | 1231 | return -1; |
2791104c | 1232 | } |
5d0c5750 AL |
1233 | s = hostdev_find(bus_num, addr); |
1234 | if (s) { | |
a5d2f727 | 1235 | usb_device_delete_addr(s->bus_num, s->dev.addr); |
5d0c5750 AL |
1236 | return 0; |
1237 | } | |
26a9e82a | 1238 | #endif |
5d0c5750 AL |
1239 | |
1240 | return -1; | |
1241 | } | |
a5d2f727 | 1242 | |
a594cfbf | 1243 | static int get_tag_value(char *buf, int buf_size, |
5fafdf24 | 1244 | const char *str, const char *tag, |
a594cfbf FB |
1245 | const char *stopchars) |
1246 | { | |
1247 | const char *p; | |
1248 | char *q; | |
1249 | p = strstr(str, tag); | |
2791104c | 1250 | if (!p) { |
a594cfbf | 1251 | return -1; |
2791104c | 1252 | } |
a594cfbf | 1253 | p += strlen(tag); |
2791104c | 1254 | while (qemu_isspace(*p)) { |
a594cfbf | 1255 | p++; |
2791104c | 1256 | } |
a594cfbf FB |
1257 | q = buf; |
1258 | while (*p != '\0' && !strchr(stopchars, *p)) { | |
2791104c | 1259 | if ((q - buf) < (buf_size - 1)) { |
a594cfbf | 1260 | *q++ = *p; |
2791104c | 1261 | } |
a594cfbf FB |
1262 | p++; |
1263 | } | |
1264 | *q = '\0'; | |
1265 | return q - buf; | |
bb36d470 FB |
1266 | } |
1267 | ||
0f431527 AL |
1268 | /* |
1269 | * Use /proc/bus/usb/devices or /dev/bus/usb/devices file to determine | |
1270 | * host's USB devices. This is legacy support since many distributions | |
1271 | * are moving to /sys/bus/usb | |
1272 | */ | |
1273 | static int usb_host_scan_dev(void *opaque, USBScanFunc *func) | |
bb36d470 | 1274 | { |
660f11be | 1275 | FILE *f = NULL; |
a594cfbf | 1276 | char line[1024]; |
bb36d470 | 1277 | char buf[1024]; |
a594cfbf | 1278 | int bus_num, addr, speed, device_count, class_id, product_id, vendor_id; |
a594cfbf | 1279 | char product_name[512]; |
0f431527 | 1280 | int ret = 0; |
3b46e624 | 1281 | |
0f431527 AL |
1282 | if (!usb_host_device_path) { |
1283 | perror("husb: USB Host Device Path not set"); | |
1284 | goto the_end; | |
1285 | } | |
1286 | snprintf(line, sizeof(line), "%s/devices", usb_host_device_path); | |
1287 | f = fopen(line, "r"); | |
a594cfbf | 1288 | if (!f) { |
0f431527 AL |
1289 | perror("husb: cannot open devices file"); |
1290 | goto the_end; | |
a594cfbf | 1291 | } |
0f431527 | 1292 | |
a594cfbf FB |
1293 | device_count = 0; |
1294 | bus_num = addr = speed = class_id = product_id = vendor_id = 0; | |
bb36d470 | 1295 | for(;;) { |
2791104c | 1296 | if (fgets(line, sizeof(line), f) == NULL) { |
bb36d470 | 1297 | break; |
2791104c DA |
1298 | } |
1299 | if (strlen(line) > 0) { | |
a594cfbf | 1300 | line[strlen(line) - 1] = '\0'; |
2791104c | 1301 | } |
a594cfbf | 1302 | if (line[0] == 'T' && line[1] == ':') { |
38ca0f6d PB |
1303 | if (device_count && (vendor_id || product_id)) { |
1304 | /* New device. Add the previously discovered device. */ | |
0f5160d1 | 1305 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1306 | product_id, product_name, speed); |
2791104c | 1307 | if (ret) { |
a594cfbf | 1308 | goto the_end; |
2791104c | 1309 | } |
a594cfbf | 1310 | } |
2791104c | 1311 | if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) { |
a594cfbf | 1312 | goto fail; |
2791104c | 1313 | } |
a594cfbf | 1314 | bus_num = atoi(buf); |
2791104c | 1315 | if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) { |
a594cfbf | 1316 | goto fail; |
2791104c | 1317 | } |
a594cfbf | 1318 | addr = atoi(buf); |
2791104c | 1319 | if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) { |
a594cfbf | 1320 | goto fail; |
2791104c DA |
1321 | } |
1322 | if (!strcmp(buf, "480")) { | |
a594cfbf | 1323 | speed = USB_SPEED_HIGH; |
2791104c | 1324 | } else if (!strcmp(buf, "1.5")) { |
a594cfbf | 1325 | speed = USB_SPEED_LOW; |
2791104c | 1326 | } else { |
a594cfbf | 1327 | speed = USB_SPEED_FULL; |
2791104c | 1328 | } |
a594cfbf FB |
1329 | product_name[0] = '\0'; |
1330 | class_id = 0xff; | |
1331 | device_count++; | |
1332 | product_id = 0; | |
1333 | vendor_id = 0; | |
1334 | } else if (line[0] == 'P' && line[1] == ':') { | |
2791104c | 1335 | if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) { |
a594cfbf | 1336 | goto fail; |
2791104c | 1337 | } |
a594cfbf | 1338 | vendor_id = strtoul(buf, NULL, 16); |
2791104c | 1339 | if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) { |
a594cfbf | 1340 | goto fail; |
2791104c | 1341 | } |
a594cfbf FB |
1342 | product_id = strtoul(buf, NULL, 16); |
1343 | } else if (line[0] == 'S' && line[1] == ':') { | |
2791104c | 1344 | if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) { |
a594cfbf | 1345 | goto fail; |
2791104c | 1346 | } |
a594cfbf FB |
1347 | pstrcpy(product_name, sizeof(product_name), buf); |
1348 | } else if (line[0] == 'D' && line[1] == ':') { | |
2791104c | 1349 | if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) { |
a594cfbf | 1350 | goto fail; |
2791104c | 1351 | } |
a594cfbf | 1352 | class_id = strtoul(buf, NULL, 16); |
bb36d470 | 1353 | } |
a594cfbf FB |
1354 | fail: ; |
1355 | } | |
38ca0f6d PB |
1356 | if (device_count && (vendor_id || product_id)) { |
1357 | /* Add the last device. */ | |
0f5160d1 | 1358 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1359 | product_id, product_name, speed); |
bb36d470 | 1360 | } |
a594cfbf | 1361 | the_end: |
2791104c | 1362 | if (f) { |
0f431527 | 1363 | fclose(f); |
2791104c | 1364 | } |
0f431527 AL |
1365 | return ret; |
1366 | } | |
1367 | ||
1368 | /* | |
1369 | * Read sys file-system device file | |
1370 | * | |
1371 | * @line address of buffer to put file contents in | |
1372 | * @line_size size of line | |
1373 | * @device_file path to device file (printf format string) | |
1374 | * @device_name device being opened (inserted into device_file) | |
1375 | * | |
1376 | * @return 0 failed, 1 succeeded ('line' contains data) | |
1377 | */ | |
2791104c DA |
1378 | static int usb_host_read_file(char *line, size_t line_size, |
1379 | const char *device_file, const char *device_name) | |
0f431527 AL |
1380 | { |
1381 | FILE *f; | |
1382 | int ret = 0; | |
1383 | char filename[PATH_MAX]; | |
1384 | ||
b4e237aa BS |
1385 | snprintf(filename, PATH_MAX, USBSYSBUS_PATH "/devices/%s/%s", device_name, |
1386 | device_file); | |
0f431527 AL |
1387 | f = fopen(filename, "r"); |
1388 | if (f) { | |
9f99cee7 | 1389 | ret = fgets(line, line_size, f) != NULL; |
0f431527 | 1390 | fclose(f); |
0f431527 AL |
1391 | } |
1392 | ||
1393 | return ret; | |
1394 | } | |
1395 | ||
1396 | /* | |
1397 | * Use /sys/bus/usb/devices/ directory to determine host's USB | |
1398 | * devices. | |
1399 | * | |
1400 | * This code is based on Robert Schiele's original patches posted to | |
1401 | * the Novell bug-tracker https://bugzilla.novell.com/show_bug.cgi?id=241950 | |
1402 | */ | |
1403 | static int usb_host_scan_sys(void *opaque, USBScanFunc *func) | |
1404 | { | |
660f11be | 1405 | DIR *dir = NULL; |
0f431527 | 1406 | char line[1024]; |
5557d820 | 1407 | int bus_num, addr, speed, class_id, product_id, vendor_id; |
0f431527 | 1408 | int ret = 0; |
5557d820 | 1409 | char port[MAX_PORTLEN]; |
0f431527 AL |
1410 | char product_name[512]; |
1411 | struct dirent *de; | |
1412 | ||
1413 | dir = opendir(USBSYSBUS_PATH "/devices"); | |
1414 | if (!dir) { | |
1415 | perror("husb: cannot open devices directory"); | |
1416 | goto the_end; | |
1417 | } | |
1418 | ||
1419 | while ((de = readdir(dir))) { | |
1420 | if (de->d_name[0] != '.' && !strchr(de->d_name, ':')) { | |
5557d820 GH |
1421 | if (sscanf(de->d_name, "%d-%7[0-9.]", &bus_num, port) < 2) { |
1422 | continue; | |
0f5160d1 | 1423 | } |
0f431527 | 1424 | |
2791104c | 1425 | if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name)) { |
0f431527 | 1426 | goto the_end; |
2791104c DA |
1427 | } |
1428 | if (sscanf(line, "%d", &addr) != 1) { | |
0f431527 | 1429 | goto the_end; |
2791104c | 1430 | } |
b4e237aa | 1431 | if (!usb_host_read_file(line, sizeof(line), "bDeviceClass", |
2791104c | 1432 | de->d_name)) { |
0f431527 | 1433 | goto the_end; |
2791104c DA |
1434 | } |
1435 | if (sscanf(line, "%x", &class_id) != 1) { | |
0f431527 | 1436 | goto the_end; |
2791104c | 1437 | } |
0f431527 | 1438 | |
2791104c DA |
1439 | if (!usb_host_read_file(line, sizeof(line), "idVendor", |
1440 | de->d_name)) { | |
0f431527 | 1441 | goto the_end; |
2791104c DA |
1442 | } |
1443 | if (sscanf(line, "%x", &vendor_id) != 1) { | |
0f431527 | 1444 | goto the_end; |
2791104c | 1445 | } |
b4e237aa | 1446 | if (!usb_host_read_file(line, sizeof(line), "idProduct", |
2791104c | 1447 | de->d_name)) { |
0f431527 | 1448 | goto the_end; |
2791104c DA |
1449 | } |
1450 | if (sscanf(line, "%x", &product_id) != 1) { | |
0f431527 | 1451 | goto the_end; |
2791104c | 1452 | } |
b4e237aa BS |
1453 | if (!usb_host_read_file(line, sizeof(line), "product", |
1454 | de->d_name)) { | |
0f431527 AL |
1455 | *product_name = 0; |
1456 | } else { | |
2791104c | 1457 | if (strlen(line) > 0) { |
0f431527 | 1458 | line[strlen(line) - 1] = '\0'; |
2791104c | 1459 | } |
0f431527 AL |
1460 | pstrcpy(product_name, sizeof(product_name), line); |
1461 | } | |
1462 | ||
2791104c | 1463 | if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) { |
0f431527 | 1464 | goto the_end; |
2791104c DA |
1465 | } |
1466 | if (!strcmp(line, "480\n")) { | |
0f431527 | 1467 | speed = USB_SPEED_HIGH; |
2791104c | 1468 | } else if (!strcmp(line, "1.5\n")) { |
0f431527 | 1469 | speed = USB_SPEED_LOW; |
2791104c | 1470 | } else { |
0f431527 | 1471 | speed = USB_SPEED_FULL; |
2791104c | 1472 | } |
0f431527 | 1473 | |
5557d820 | 1474 | ret = func(opaque, bus_num, addr, port, class_id, vendor_id, |
0f431527 | 1475 | product_id, product_name, speed); |
2791104c | 1476 | if (ret) { |
0f431527 | 1477 | goto the_end; |
2791104c | 1478 | } |
0f431527 AL |
1479 | } |
1480 | } | |
1481 | the_end: | |
2791104c | 1482 | if (dir) { |
0f431527 | 1483 | closedir(dir); |
2791104c | 1484 | } |
0f431527 AL |
1485 | return ret; |
1486 | } | |
1487 | ||
1488 | /* | |
1489 | * Determine how to access the host's USB devices and call the | |
1490 | * specific support function. | |
1491 | */ | |
1492 | static int usb_host_scan(void *opaque, USBScanFunc *func) | |
1493 | { | |
376253ec | 1494 | Monitor *mon = cur_mon; |
660f11be BS |
1495 | FILE *f = NULL; |
1496 | DIR *dir = NULL; | |
0f431527 | 1497 | int ret = 0; |
0f431527 AL |
1498 | const char *fs_type[] = {"unknown", "proc", "dev", "sys"}; |
1499 | char devpath[PATH_MAX]; | |
1500 | ||
1501 | /* only check the host once */ | |
1502 | if (!usb_fs_type) { | |
55496240 MM |
1503 | dir = opendir(USBSYSBUS_PATH "/devices"); |
1504 | if (dir) { | |
1505 | /* devices found in /dev/bus/usb/ (yes - not a mistake!) */ | |
1506 | strcpy(devpath, USBDEVBUS_PATH); | |
1507 | usb_fs_type = USB_FS_SYS; | |
1508 | closedir(dir); | |
d0f2c4c6 | 1509 | DPRINTF(USBDBG_DEVOPENED, USBSYSBUS_PATH); |
55496240 MM |
1510 | goto found_devices; |
1511 | } | |
0f431527 AL |
1512 | f = fopen(USBPROCBUS_PATH "/devices", "r"); |
1513 | if (f) { | |
1514 | /* devices found in /proc/bus/usb/ */ | |
1515 | strcpy(devpath, USBPROCBUS_PATH); | |
1516 | usb_fs_type = USB_FS_PROC; | |
1517 | fclose(f); | |
d0f2c4c6 | 1518 | DPRINTF(USBDBG_DEVOPENED, USBPROCBUS_PATH); |
f16a0db3 | 1519 | goto found_devices; |
0f431527 AL |
1520 | } |
1521 | /* try additional methods if an access method hasn't been found yet */ | |
1522 | f = fopen(USBDEVBUS_PATH "/devices", "r"); | |
f16a0db3 | 1523 | if (f) { |
0f431527 AL |
1524 | /* devices found in /dev/bus/usb/ */ |
1525 | strcpy(devpath, USBDEVBUS_PATH); | |
1526 | usb_fs_type = USB_FS_DEV; | |
1527 | fclose(f); | |
d0f2c4c6 | 1528 | DPRINTF(USBDBG_DEVOPENED, USBDEVBUS_PATH); |
f16a0db3 | 1529 | goto found_devices; |
0f431527 | 1530 | } |
f16a0db3 | 1531 | found_devices: |
22babebb | 1532 | if (!usb_fs_type) { |
2791104c | 1533 | if (mon) { |
eba6fe87 | 1534 | monitor_printf(mon, "husb: unable to access USB devices\n"); |
2791104c | 1535 | } |
f16a0db3 | 1536 | return -ENOENT; |
0f431527 AL |
1537 | } |
1538 | ||
1539 | /* the module setting (used later for opening devices) */ | |
1540 | usb_host_device_path = qemu_mallocz(strlen(devpath)+1); | |
1eec614b | 1541 | strcpy(usb_host_device_path, devpath); |
2791104c | 1542 | if (mon) { |
eba6fe87 GH |
1543 | monitor_printf(mon, "husb: using %s file-system with %s\n", |
1544 | fs_type[usb_fs_type], usb_host_device_path); | |
2791104c | 1545 | } |
0f431527 AL |
1546 | } |
1547 | ||
1548 | switch (usb_fs_type) { | |
1549 | case USB_FS_PROC: | |
1550 | case USB_FS_DEV: | |
1551 | ret = usb_host_scan_dev(opaque, func); | |
1552 | break; | |
1553 | case USB_FS_SYS: | |
1554 | ret = usb_host_scan_sys(opaque, func); | |
1555 | break; | |
f16a0db3 AL |
1556 | default: |
1557 | ret = -EINVAL; | |
1558 | break; | |
0f431527 | 1559 | } |
a594cfbf | 1560 | return ret; |
bb36d470 FB |
1561 | } |
1562 | ||
4b096fc9 | 1563 | static QEMUTimer *usb_auto_timer; |
4b096fc9 | 1564 | |
5557d820 | 1565 | static int usb_host_auto_scan(void *opaque, int bus_num, int addr, char *port, |
26a9e82a GH |
1566 | int class_id, int vendor_id, int product_id, |
1567 | const char *product_name, int speed) | |
4b096fc9 AL |
1568 | { |
1569 | struct USBAutoFilter *f; | |
26a9e82a | 1570 | struct USBHostDevice *s; |
4b096fc9 AL |
1571 | |
1572 | /* Ignore hubs */ | |
1573 | if (class_id == 9) | |
1574 | return 0; | |
1575 | ||
26a9e82a GH |
1576 | QTAILQ_FOREACH(s, &hostdevs, next) { |
1577 | f = &s->match; | |
1578 | ||
2791104c | 1579 | if (f->bus_num > 0 && f->bus_num != bus_num) { |
4b096fc9 | 1580 | continue; |
2791104c DA |
1581 | } |
1582 | if (f->addr > 0 && f->addr != addr) { | |
4b096fc9 | 1583 | continue; |
2791104c | 1584 | } |
9056a297 GH |
1585 | if (f->port != NULL && (port == NULL || strcmp(f->port, port) != 0)) { |
1586 | continue; | |
1587 | } | |
4b096fc9 | 1588 | |
2791104c | 1589 | if (f->vendor_id > 0 && f->vendor_id != vendor_id) { |
4b096fc9 | 1590 | continue; |
2791104c | 1591 | } |
4b096fc9 | 1592 | |
2791104c | 1593 | if (f->product_id > 0 && f->product_id != product_id) { |
4b096fc9 | 1594 | continue; |
2791104c | 1595 | } |
4b096fc9 AL |
1596 | /* We got a match */ |
1597 | ||
33e66b86 | 1598 | /* Already attached ? */ |
2791104c | 1599 | if (s->fd != -1) { |
4b096fc9 | 1600 | return 0; |
2791104c | 1601 | } |
d0f2c4c6 | 1602 | DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr); |
4b096fc9 | 1603 | |
5557d820 | 1604 | usb_host_open(s, bus_num, addr, port, product_name); |
4b096fc9 AL |
1605 | } |
1606 | ||
1607 | return 0; | |
1608 | } | |
1609 | ||
26a9e82a | 1610 | static void usb_host_auto_check(void *unused) |
4b096fc9 | 1611 | { |
26a9e82a GH |
1612 | struct USBHostDevice *s; |
1613 | int unconnected = 0; | |
1614 | ||
4b096fc9 | 1615 | usb_host_scan(NULL, usb_host_auto_scan); |
26a9e82a GH |
1616 | |
1617 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
2791104c | 1618 | if (s->fd == -1) { |
26a9e82a | 1619 | unconnected++; |
2791104c | 1620 | } |
26a9e82a GH |
1621 | } |
1622 | ||
1623 | if (unconnected == 0) { | |
1624 | /* nothing to watch */ | |
2791104c | 1625 | if (usb_auto_timer) { |
26a9e82a | 1626 | qemu_del_timer(usb_auto_timer); |
2791104c | 1627 | } |
26a9e82a GH |
1628 | return; |
1629 | } | |
1630 | ||
1631 | if (!usb_auto_timer) { | |
7bd427d8 | 1632 | usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL); |
2791104c | 1633 | if (!usb_auto_timer) { |
26a9e82a | 1634 | return; |
2791104c | 1635 | } |
26a9e82a | 1636 | } |
7bd427d8 | 1637 | qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000); |
4b096fc9 AL |
1638 | } |
1639 | ||
1640 | /* | |
5d0c5750 AL |
1641 | * Autoconnect filter |
1642 | * Format: | |
1643 | * auto:bus:dev[:vid:pid] | |
1644 | * auto:bus.dev[:vid:pid] | |
1645 | * | |
1646 | * bus - bus number (dec, * means any) | |
1647 | * dev - device number (dec, * means any) | |
1648 | * vid - vendor id (hex, * means any) | |
1649 | * pid - product id (hex, * means any) | |
1650 | * | |
1651 | * See 'lsusb' output. | |
4b096fc9 | 1652 | */ |
5d0c5750 | 1653 | static int parse_filter(const char *spec, struct USBAutoFilter *f) |
4b096fc9 | 1654 | { |
5d0c5750 AL |
1655 | enum { BUS, DEV, VID, PID, DONE }; |
1656 | const char *p = spec; | |
1657 | int i; | |
1658 | ||
0745eb1e MA |
1659 | f->bus_num = 0; |
1660 | f->addr = 0; | |
1661 | f->vendor_id = 0; | |
1662 | f->product_id = 0; | |
5d0c5750 AL |
1663 | |
1664 | for (i = BUS; i < DONE; i++) { | |
2791104c DA |
1665 | p = strpbrk(p, ":."); |
1666 | if (!p) { | |
1667 | break; | |
1668 | } | |
5d0c5750 | 1669 | p++; |
5d0c5750 | 1670 | |
2791104c DA |
1671 | if (*p == '*') { |
1672 | continue; | |
1673 | } | |
5d0c5750 AL |
1674 | switch(i) { |
1675 | case BUS: f->bus_num = strtol(p, NULL, 10); break; | |
1676 | case DEV: f->addr = strtol(p, NULL, 10); break; | |
1677 | case VID: f->vendor_id = strtol(p, NULL, 16); break; | |
1678 | case PID: f->product_id = strtol(p, NULL, 16); break; | |
1679 | } | |
1680 | } | |
1681 | ||
1682 | if (i < DEV) { | |
1683 | fprintf(stderr, "husb: invalid auto filter spec %s\n", spec); | |
1684 | return -1; | |
1685 | } | |
1686 | ||
1687 | return 0; | |
1688 | } | |
1689 | ||
a594cfbf FB |
1690 | /**********************/ |
1691 | /* USB host device info */ | |
1692 | ||
1693 | struct usb_class_info { | |
1694 | int class; | |
1695 | const char *class_name; | |
1696 | }; | |
1697 | ||
1698 | static const struct usb_class_info usb_class_info[] = { | |
1699 | { USB_CLASS_AUDIO, "Audio"}, | |
1700 | { USB_CLASS_COMM, "Communication"}, | |
1701 | { USB_CLASS_HID, "HID"}, | |
1702 | { USB_CLASS_HUB, "Hub" }, | |
1703 | { USB_CLASS_PHYSICAL, "Physical" }, | |
1704 | { USB_CLASS_PRINTER, "Printer" }, | |
1705 | { USB_CLASS_MASS_STORAGE, "Storage" }, | |
1706 | { USB_CLASS_CDC_DATA, "Data" }, | |
1707 | { USB_CLASS_APP_SPEC, "Application Specific" }, | |
1708 | { USB_CLASS_VENDOR_SPEC, "Vendor Specific" }, | |
1709 | { USB_CLASS_STILL_IMAGE, "Still Image" }, | |
b9dc033c | 1710 | { USB_CLASS_CSCID, "Smart Card" }, |
a594cfbf FB |
1711 | { USB_CLASS_CONTENT_SEC, "Content Security" }, |
1712 | { -1, NULL } | |
1713 | }; | |
1714 | ||
1715 | static const char *usb_class_str(uint8_t class) | |
bb36d470 | 1716 | { |
a594cfbf FB |
1717 | const struct usb_class_info *p; |
1718 | for(p = usb_class_info; p->class != -1; p++) { | |
2791104c | 1719 | if (p->class == class) { |
a594cfbf | 1720 | break; |
2791104c | 1721 | } |
bb36d470 | 1722 | } |
a594cfbf FB |
1723 | return p->class_name; |
1724 | } | |
1725 | ||
5557d820 GH |
1726 | static void usb_info_device(Monitor *mon, int bus_num, int addr, char *port, |
1727 | int class_id, int vendor_id, int product_id, | |
9596ebb7 PB |
1728 | const char *product_name, |
1729 | int speed) | |
a594cfbf FB |
1730 | { |
1731 | const char *class_str, *speed_str; | |
1732 | ||
1733 | switch(speed) { | |
5fafdf24 TS |
1734 | case USB_SPEED_LOW: |
1735 | speed_str = "1.5"; | |
a594cfbf | 1736 | break; |
5fafdf24 TS |
1737 | case USB_SPEED_FULL: |
1738 | speed_str = "12"; | |
a594cfbf | 1739 | break; |
5fafdf24 TS |
1740 | case USB_SPEED_HIGH: |
1741 | speed_str = "480"; | |
a594cfbf FB |
1742 | break; |
1743 | default: | |
5fafdf24 | 1744 | speed_str = "?"; |
a594cfbf FB |
1745 | break; |
1746 | } | |
1747 | ||
5557d820 GH |
1748 | monitor_printf(mon, " Bus %d, Addr %d, Port %s, Speed %s Mb/s\n", |
1749 | bus_num, addr, port, speed_str); | |
a594cfbf | 1750 | class_str = usb_class_str(class_id); |
2791104c | 1751 | if (class_str) { |
376253ec | 1752 | monitor_printf(mon, " %s:", class_str); |
2791104c | 1753 | } else { |
376253ec | 1754 | monitor_printf(mon, " Class %02x:", class_id); |
2791104c | 1755 | } |
376253ec | 1756 | monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id); |
2791104c | 1757 | if (product_name[0] != '\0') { |
376253ec | 1758 | monitor_printf(mon, ", %s", product_name); |
2791104c | 1759 | } |
376253ec | 1760 | monitor_printf(mon, "\n"); |
a594cfbf FB |
1761 | } |
1762 | ||
5fafdf24 | 1763 | static int usb_host_info_device(void *opaque, int bus_num, int addr, |
5557d820 | 1764 | char *path, int class_id, |
5fafdf24 | 1765 | int vendor_id, int product_id, |
a594cfbf FB |
1766 | const char *product_name, |
1767 | int speed) | |
1768 | { | |
179da8af BS |
1769 | Monitor *mon = opaque; |
1770 | ||
5557d820 | 1771 | usb_info_device(mon, bus_num, addr, path, class_id, vendor_id, product_id, |
a594cfbf FB |
1772 | product_name, speed); |
1773 | return 0; | |
1774 | } | |
1775 | ||
ac4ffb5a | 1776 | static void dec2str(int val, char *str, size_t size) |
5d0c5750 | 1777 | { |
2791104c | 1778 | if (val == 0) { |
ac4ffb5a | 1779 | snprintf(str, size, "*"); |
2791104c DA |
1780 | } else { |
1781 | snprintf(str, size, "%d", val); | |
1782 | } | |
5d0c5750 AL |
1783 | } |
1784 | ||
ac4ffb5a | 1785 | static void hex2str(int val, char *str, size_t size) |
5d0c5750 | 1786 | { |
2791104c | 1787 | if (val == 0) { |
ac4ffb5a | 1788 | snprintf(str, size, "*"); |
2791104c | 1789 | } else { |
26a9e82a | 1790 | snprintf(str, size, "%04x", val); |
2791104c | 1791 | } |
5d0c5750 AL |
1792 | } |
1793 | ||
376253ec | 1794 | void usb_host_info(Monitor *mon) |
a594cfbf | 1795 | { |
5d0c5750 | 1796 | struct USBAutoFilter *f; |
26a9e82a | 1797 | struct USBHostDevice *s; |
5d0c5750 | 1798 | |
179da8af | 1799 | usb_host_scan(mon, usb_host_info_device); |
5d0c5750 | 1800 | |
2791104c | 1801 | if (QTAILQ_EMPTY(&hostdevs)) { |
26a9e82a | 1802 | return; |
2791104c DA |
1803 | } |
1804 | ||
26a9e82a GH |
1805 | monitor_printf(mon, " Auto filters:\n"); |
1806 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
5d0c5750 | 1807 | char bus[10], addr[10], vid[10], pid[10]; |
26a9e82a | 1808 | f = &s->match; |
ac4ffb5a AL |
1809 | dec2str(f->bus_num, bus, sizeof(bus)); |
1810 | dec2str(f->addr, addr, sizeof(addr)); | |
1811 | hex2str(f->vendor_id, vid, sizeof(vid)); | |
1812 | hex2str(f->product_id, pid, sizeof(pid)); | |
9056a297 GH |
1813 | monitor_printf(mon, " Bus %s, Addr %s, Port %s, ID %s:%s\n", |
1814 | bus, addr, f->port ? f->port : "*", vid, pid); | |
5d0c5750 | 1815 | } |
bb36d470 | 1816 | } |