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Commit | Line | Data |
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bb36d470 FB |
1 | /* |
2 | * Linux host USB redirector | |
3 | * | |
4 | * Copyright (c) 2005 Fabrice Bellard | |
5fafdf24 | 5 | * |
64838171 AL |
6 | * Copyright (c) 2008 Max Krasnyansky |
7 | * Support for host device auto connect & disconnect | |
5d0c5750 | 8 | * Major rewrite to support fully async operation |
4b096fc9 | 9 | * |
0f431527 AL |
10 | * Copyright 2008 TJ <linux@tjworld.net> |
11 | * Added flexible support for /dev/bus/usb /sys/bus/usb/devices in addition | |
12 | * to the legacy /proc/bus/usb USB device discovery and handling | |
13 | * | |
bb36d470 FB |
14 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
15 | * of this software and associated documentation files (the "Software"), to deal | |
16 | * in the Software without restriction, including without limitation the rights | |
17 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
18 | * copies of the Software, and to permit persons to whom the Software is | |
19 | * furnished to do so, subject to the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice shall be included in | |
22 | * all copies or substantial portions of the Software. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
27 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
29 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
30 | * THE SOFTWARE. | |
31 | */ | |
446ab128 | 32 | |
87ecb68b | 33 | #include "qemu-common.h" |
1f3870ab | 34 | #include "qemu-timer.h" |
376253ec | 35 | #include "monitor.h" |
b373a63a | 36 | #include "sysemu.h" |
e6a2f500 | 37 | #include "trace.h" |
bb36d470 | 38 | |
bb36d470 FB |
39 | #include <dirent.h> |
40 | #include <sys/ioctl.h> | |
bb36d470 | 41 | |
446ab128 AL |
42 | #include <linux/usbdevice_fs.h> |
43 | #include <linux/version.h> | |
44 | #include "hw/usb.h" | |
bb36d470 | 45 | |
d9cf1578 BS |
46 | /* We redefine it to avoid version problems */ |
47 | struct usb_ctrltransfer { | |
48 | uint8_t bRequestType; | |
49 | uint8_t bRequest; | |
50 | uint16_t wValue; | |
51 | uint16_t wIndex; | |
52 | uint16_t wLength; | |
53 | uint32_t timeout; | |
54 | void *data; | |
55 | }; | |
56 | ||
ba9acab9 | 57 | typedef int USBScanFunc(void *opaque, int bus_num, int addr, const char *port, |
0f5160d1 | 58 | int class_id, int vendor_id, int product_id, |
a594cfbf | 59 | const char *product_name, int speed); |
26a9e82a | 60 | |
0745eb1e | 61 | //#define DEBUG |
64838171 AL |
62 | |
63 | #ifdef DEBUG | |
d0f2c4c6 | 64 | #define DPRINTF printf |
64838171 | 65 | #else |
d0f2c4c6 | 66 | #define DPRINTF(...) |
64838171 | 67 | #endif |
bb36d470 | 68 | |
5be8e1f2 BS |
69 | #define USBDBG_DEVOPENED "husb: opened %s/devices\n" |
70 | ||
0f431527 | 71 | #define USBPROCBUS_PATH "/proc/bus/usb" |
1f6e24e7 | 72 | #define PRODUCT_NAME_SZ 32 |
3a4854b3 | 73 | #define MAX_ENDPOINTS 15 |
5557d820 | 74 | #define MAX_PORTLEN 16 |
0f431527 AL |
75 | #define USBDEVBUS_PATH "/dev/bus/usb" |
76 | #define USBSYSBUS_PATH "/sys/bus/usb" | |
77 | ||
78 | static char *usb_host_device_path; | |
79 | ||
80 | #define USB_FS_NONE 0 | |
81 | #define USB_FS_PROC 1 | |
82 | #define USB_FS_DEV 2 | |
83 | #define USB_FS_SYS 3 | |
84 | ||
85 | static int usb_fs_type; | |
bb36d470 | 86 | |
b9dc033c | 87 | /* endpoint association data */ |
060dc841 | 88 | #define ISO_FRAME_DESC_PER_URB 32 |
a0b5fece | 89 | #define INVALID_EP_TYPE 255 |
060dc841 | 90 | |
71138531 GH |
91 | /* devio.c limits single requests to 16k */ |
92 | #define MAX_USBFS_BUFFER_SIZE 16384 | |
93 | ||
060dc841 HG |
94 | typedef struct AsyncURB AsyncURB; |
95 | ||
b9dc033c AZ |
96 | struct endp_data { |
97 | uint8_t type; | |
64838171 | 98 | uint8_t halted; |
bb6d5498 | 99 | uint8_t iso_started; |
060dc841 HG |
100 | AsyncURB *iso_urb; |
101 | int iso_urb_idx; | |
bb6d5498 | 102 | int iso_buffer_used; |
060dc841 | 103 | int max_packet_size; |
82887262 | 104 | int inflight; |
b9dc033c AZ |
105 | }; |
106 | ||
26a9e82a GH |
107 | struct USBAutoFilter { |
108 | uint32_t bus_num; | |
109 | uint32_t addr; | |
9056a297 | 110 | char *port; |
26a9e82a GH |
111 | uint32_t vendor_id; |
112 | uint32_t product_id; | |
113 | }; | |
114 | ||
bb36d470 FB |
115 | typedef struct USBHostDevice { |
116 | USBDevice dev; | |
64838171 | 117 | int fd; |
9516bb47 | 118 | int hub_fd; |
64838171 | 119 | |
f8ddbfbc | 120 | uint8_t descr[8192]; |
64838171 AL |
121 | int descr_len; |
122 | int configuration; | |
446ab128 | 123 | int ninterfaces; |
24772c1e | 124 | int closing; |
b81bcd8a | 125 | uint32_t iso_urb_count; |
b373a63a | 126 | Notifier exit; |
64838171 | 127 | |
c0e5750b GH |
128 | struct endp_data ep_in[MAX_ENDPOINTS]; |
129 | struct endp_data ep_out[MAX_ENDPOINTS]; | |
7a8fc83f | 130 | QLIST_HEAD(, AsyncURB) aurbs; |
4b096fc9 | 131 | |
4b096fc9 AL |
132 | /* Host side address */ |
133 | int bus_num; | |
134 | int addr; | |
5557d820 | 135 | char port[MAX_PORTLEN]; |
26a9e82a | 136 | struct USBAutoFilter match; |
3ee886c5 | 137 | int seen, errcount; |
4b096fc9 | 138 | |
26a9e82a | 139 | QTAILQ_ENTRY(USBHostDevice) next; |
bb36d470 FB |
140 | } USBHostDevice; |
141 | ||
26a9e82a GH |
142 | static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs); |
143 | ||
144 | static int usb_host_close(USBHostDevice *dev); | |
145 | static int parse_filter(const char *spec, struct USBAutoFilter *f); | |
146 | static void usb_host_auto_check(void *unused); | |
2cc59d8c HG |
147 | static int usb_host_read_file(char *line, size_t line_size, |
148 | const char *device_file, const char *device_name); | |
9b87e19b | 149 | static int usb_linux_update_endp_table(USBHostDevice *s); |
26a9e82a | 150 | |
c0e5750b | 151 | static struct endp_data *get_endp(USBHostDevice *s, int pid, int ep) |
ca3a36cf | 152 | { |
c0e5750b GH |
153 | struct endp_data *eps = pid == USB_TOKEN_IN ? s->ep_in : s->ep_out; |
154 | assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT); | |
155 | assert(ep > 0 && ep <= MAX_ENDPOINTS); | |
156 | return eps + ep - 1; | |
ca3a36cf GH |
157 | } |
158 | ||
c0e5750b | 159 | static int is_isoc(USBHostDevice *s, int pid, int ep) |
64838171 | 160 | { |
c0e5750b | 161 | return get_endp(s, pid, ep)->type == USBDEVFS_URB_TYPE_ISO; |
64838171 AL |
162 | } |
163 | ||
c0e5750b | 164 | static int is_valid(USBHostDevice *s, int pid, int ep) |
a0b5fece | 165 | { |
c0e5750b | 166 | return get_endp(s, pid, ep)->type != INVALID_EP_TYPE; |
a0b5fece HG |
167 | } |
168 | ||
c0e5750b | 169 | static int is_halted(USBHostDevice *s, int pid, int ep) |
64838171 | 170 | { |
c0e5750b | 171 | return get_endp(s, pid, ep)->halted; |
64838171 AL |
172 | } |
173 | ||
c0e5750b | 174 | static void clear_halt(USBHostDevice *s, int pid, int ep) |
64838171 | 175 | { |
e6a2f500 | 176 | trace_usb_host_ep_clear_halt(s->bus_num, s->addr, ep); |
c0e5750b | 177 | get_endp(s, pid, ep)->halted = 0; |
64838171 AL |
178 | } |
179 | ||
c0e5750b | 180 | static void set_halt(USBHostDevice *s, int pid, int ep) |
64838171 | 181 | { |
c0e5750b GH |
182 | if (ep != 0) { |
183 | trace_usb_host_ep_set_halt(s->bus_num, s->addr, ep); | |
184 | get_endp(s, pid, ep)->halted = 1; | |
185 | } | |
64838171 AL |
186 | } |
187 | ||
c0e5750b | 188 | static int is_iso_started(USBHostDevice *s, int pid, int ep) |
bb6d5498 | 189 | { |
c0e5750b | 190 | return get_endp(s, pid, ep)->iso_started; |
bb6d5498 HG |
191 | } |
192 | ||
c0e5750b | 193 | static void clear_iso_started(USBHostDevice *s, int pid, int ep) |
bb6d5498 | 194 | { |
e6a2f500 | 195 | trace_usb_host_ep_stop_iso(s->bus_num, s->addr, ep); |
c0e5750b | 196 | get_endp(s, pid, ep)->iso_started = 0; |
bb6d5498 HG |
197 | } |
198 | ||
c0e5750b | 199 | static void set_iso_started(USBHostDevice *s, int pid, int ep) |
bb6d5498 | 200 | { |
c0e5750b | 201 | struct endp_data *e = get_endp(s, pid, ep); |
e6a2f500 GH |
202 | |
203 | trace_usb_host_ep_start_iso(s->bus_num, s->addr, ep); | |
82887262 GH |
204 | if (!e->iso_started) { |
205 | e->iso_started = 1; | |
206 | e->inflight = 0; | |
207 | } | |
208 | } | |
209 | ||
c0e5750b | 210 | static int change_iso_inflight(USBHostDevice *s, int pid, int ep, int value) |
82887262 | 211 | { |
c0e5750b | 212 | struct endp_data *e = get_endp(s, pid, ep); |
82887262 GH |
213 | |
214 | e->inflight += value; | |
215 | return e->inflight; | |
bb6d5498 HG |
216 | } |
217 | ||
c0e5750b | 218 | static void set_iso_urb(USBHostDevice *s, int pid, int ep, AsyncURB *iso_urb) |
060dc841 | 219 | { |
c0e5750b | 220 | get_endp(s, pid, ep)->iso_urb = iso_urb; |
060dc841 HG |
221 | } |
222 | ||
c0e5750b | 223 | static AsyncURB *get_iso_urb(USBHostDevice *s, int pid, int ep) |
060dc841 | 224 | { |
c0e5750b | 225 | return get_endp(s, pid, ep)->iso_urb; |
060dc841 HG |
226 | } |
227 | ||
c0e5750b | 228 | static void set_iso_urb_idx(USBHostDevice *s, int pid, int ep, int i) |
060dc841 | 229 | { |
c0e5750b | 230 | get_endp(s, pid, ep)->iso_urb_idx = i; |
060dc841 HG |
231 | } |
232 | ||
c0e5750b | 233 | static int get_iso_urb_idx(USBHostDevice *s, int pid, int ep) |
060dc841 | 234 | { |
c0e5750b | 235 | return get_endp(s, pid, ep)->iso_urb_idx; |
060dc841 HG |
236 | } |
237 | ||
c0e5750b | 238 | static void set_iso_buffer_used(USBHostDevice *s, int pid, int ep, int i) |
bb6d5498 | 239 | { |
c0e5750b | 240 | get_endp(s, pid, ep)->iso_buffer_used = i; |
bb6d5498 HG |
241 | } |
242 | ||
c0e5750b | 243 | static int get_iso_buffer_used(USBHostDevice *s, int pid, int ep) |
bb6d5498 | 244 | { |
c0e5750b | 245 | return get_endp(s, pid, ep)->iso_buffer_used; |
bb6d5498 HG |
246 | } |
247 | ||
c0e5750b GH |
248 | static void set_max_packet_size(USBHostDevice *s, int pid, int ep, |
249 | uint8_t *descriptor) | |
6dfcdccb GH |
250 | { |
251 | int raw = descriptor[4] + (descriptor[5] << 8); | |
252 | int size, microframes; | |
253 | ||
254 | size = raw & 0x7ff; | |
255 | switch ((raw >> 11) & 3) { | |
256 | case 1: microframes = 2; break; | |
257 | case 2: microframes = 3; break; | |
258 | default: microframes = 1; break; | |
259 | } | |
c0e5750b | 260 | get_endp(s, pid, ep)->max_packet_size = size * microframes; |
6dfcdccb GH |
261 | } |
262 | ||
c0e5750b | 263 | static int get_max_packet_size(USBHostDevice *s, int pid, int ep) |
060dc841 | 264 | { |
c0e5750b | 265 | return get_endp(s, pid, ep)->max_packet_size; |
060dc841 HG |
266 | } |
267 | ||
2791104c | 268 | /* |
64838171 | 269 | * Async URB state. |
060dc841 | 270 | * We always allocate iso packet descriptors even for bulk transfers |
2791104c | 271 | * to simplify allocation and casts. |
64838171 | 272 | */ |
060dc841 | 273 | struct AsyncURB |
64838171 AL |
274 | { |
275 | struct usbdevfs_urb urb; | |
060dc841 | 276 | struct usbdevfs_iso_packet_desc isocpd[ISO_FRAME_DESC_PER_URB]; |
7a8fc83f GH |
277 | USBHostDevice *hdev; |
278 | QLIST_ENTRY(AsyncURB) next; | |
b9dc033c | 279 | |
060dc841 | 280 | /* For regular async urbs */ |
64838171 | 281 | USBPacket *packet; |
71138531 | 282 | int more; /* large transfer, more urbs follow */ |
060dc841 HG |
283 | |
284 | /* For buffered iso handling */ | |
285 | int iso_frame_idx; /* -1 means in flight */ | |
286 | }; | |
b9dc033c | 287 | |
7a8fc83f | 288 | static AsyncURB *async_alloc(USBHostDevice *s) |
b9dc033c | 289 | { |
7267c094 | 290 | AsyncURB *aurb = g_malloc0(sizeof(AsyncURB)); |
7a8fc83f GH |
291 | aurb->hdev = s; |
292 | QLIST_INSERT_HEAD(&s->aurbs, aurb, next); | |
293 | return aurb; | |
b9dc033c AZ |
294 | } |
295 | ||
64838171 | 296 | static void async_free(AsyncURB *aurb) |
b9dc033c | 297 | { |
7a8fc83f | 298 | QLIST_REMOVE(aurb, next); |
7267c094 | 299 | g_free(aurb); |
64838171 | 300 | } |
b9dc033c | 301 | |
41c01ee7 GH |
302 | static void do_disconnect(USBHostDevice *s) |
303 | { | |
41c01ee7 GH |
304 | usb_host_close(s); |
305 | usb_host_auto_check(NULL); | |
306 | } | |
307 | ||
64838171 AL |
308 | static void async_complete(void *opaque) |
309 | { | |
310 | USBHostDevice *s = opaque; | |
311 | AsyncURB *aurb; | |
82887262 | 312 | int urbs = 0; |
64838171 AL |
313 | |
314 | while (1) { | |
2791104c | 315 | USBPacket *p; |
b9dc033c | 316 | |
2791104c | 317 | int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb); |
64838171 | 318 | if (r < 0) { |
2791104c | 319 | if (errno == EAGAIN) { |
82887262 GH |
320 | if (urbs > 2) { |
321 | fprintf(stderr, "husb: %d iso urbs finished at once\n", urbs); | |
322 | } | |
64838171 | 323 | return; |
2791104c | 324 | } |
40197c35 GH |
325 | if (errno == ENODEV) { |
326 | if (!s->closing) { | |
327 | trace_usb_host_disconnect(s->bus_num, s->addr); | |
328 | do_disconnect(s); | |
329 | } | |
64838171 AL |
330 | return; |
331 | } | |
332 | ||
e6a2f500 | 333 | perror("USBDEVFS_REAPURBNDELAY"); |
64838171 | 334 | return; |
b9dc033c | 335 | } |
64838171 | 336 | |
2791104c | 337 | DPRINTF("husb: async completed. aurb %p status %d alen %d\n", |
64838171 AL |
338 | aurb, aurb->urb.status, aurb->urb.actual_length); |
339 | ||
060dc841 HG |
340 | /* If this is a buffered iso urb mark it as complete and don't do |
341 | anything else (it is handled further in usb_host_handle_iso_data) */ | |
342 | if (aurb->iso_frame_idx == -1) { | |
82887262 | 343 | int inflight; |
c0e5750b GH |
344 | int pid = (aurb->urb.endpoint & USB_DIR_IN) ? |
345 | USB_TOKEN_IN : USB_TOKEN_OUT; | |
346 | int ep = aurb->urb.endpoint & 0xf; | |
060dc841 | 347 | if (aurb->urb.status == -EPIPE) { |
c0e5750b | 348 | set_halt(s, pid, ep); |
060dc841 HG |
349 | } |
350 | aurb->iso_frame_idx = 0; | |
82887262 | 351 | urbs++; |
c0e5750b GH |
352 | inflight = change_iso_inflight(s, pid, ep, -1); |
353 | if (inflight == 0 && is_iso_started(s, pid, ep)) { | |
82887262 GH |
354 | fprintf(stderr, "husb: out of buffers for iso stream\n"); |
355 | } | |
060dc841 HG |
356 | continue; |
357 | } | |
358 | ||
359 | p = aurb->packet; | |
e6a2f500 GH |
360 | trace_usb_host_urb_complete(s->bus_num, s->addr, aurb, aurb->urb.status, |
361 | aurb->urb.actual_length, aurb->more); | |
060dc841 | 362 | |
2791104c | 363 | if (p) { |
64838171 AL |
364 | switch (aurb->urb.status) { |
365 | case 0: | |
4f4321c1 | 366 | p->result += aurb->urb.actual_length; |
64838171 AL |
367 | break; |
368 | ||
369 | case -EPIPE: | |
c0e5750b | 370 | set_halt(s, p->pid, p->devep); |
4f4321c1 | 371 | p->result = USB_RET_STALL; |
2791104c | 372 | break; |
dcc7e25f | 373 | |
64838171 | 374 | default: |
4f4321c1 | 375 | p->result = USB_RET_NAK; |
64838171 AL |
376 | break; |
377 | } | |
378 | ||
50b7963e | 379 | if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) { |
e6a2f500 | 380 | trace_usb_host_req_complete(s->bus_num, s->addr, p->result); |
50b7963e | 381 | usb_generic_async_ctrl_complete(&s->dev, p); |
71138531 | 382 | } else if (!aurb->more) { |
e6a2f500 | 383 | trace_usb_host_req_complete(s->bus_num, s->addr, p->result); |
50b7963e HG |
384 | usb_packet_complete(&s->dev, p); |
385 | } | |
2791104c | 386 | } |
64838171 AL |
387 | |
388 | async_free(aurb); | |
b9dc033c | 389 | } |
b9dc033c AZ |
390 | } |
391 | ||
eb5e680a | 392 | static void usb_host_async_cancel(USBDevice *dev, USBPacket *p) |
b9dc033c | 393 | { |
eb5e680a | 394 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
227ebeb5 | 395 | AsyncURB *aurb; |
b9dc033c | 396 | |
227ebeb5 GH |
397 | QLIST_FOREACH(aurb, &s->aurbs, next) { |
398 | if (p != aurb->packet) { | |
399 | continue; | |
400 | } | |
64838171 | 401 | |
227ebeb5 | 402 | DPRINTF("husb: async cancel: packet %p, aurb %p\n", p, aurb); |
b9dc033c | 403 | |
227ebeb5 GH |
404 | /* Mark it as dead (see async_complete above) */ |
405 | aurb->packet = NULL; | |
406 | ||
407 | int r = ioctl(s->fd, USBDEVFS_DISCARDURB, aurb); | |
408 | if (r < 0) { | |
409 | DPRINTF("husb: async. discard urb failed errno %d\n", errno); | |
410 | } | |
b9dc033c | 411 | } |
b9dc033c AZ |
412 | } |
413 | ||
446ab128 | 414 | static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration) |
b9dc033c | 415 | { |
41c01ee7 | 416 | const char *op = NULL; |
b9dc033c | 417 | int dev_descr_len, config_descr_len; |
d4c4e6fd | 418 | int interface, nb_interfaces; |
b9dc033c AZ |
419 | int ret, i; |
420 | ||
eb7700bb GH |
421 | if (configuration == 0) { /* address state - ignore */ |
422 | dev->ninterfaces = 0; | |
423 | dev->configuration = 0; | |
b9dc033c | 424 | return 1; |
eb7700bb | 425 | } |
b9dc033c | 426 | |
d0f2c4c6 | 427 | DPRINTF("husb: claiming interfaces. config %d\n", configuration); |
446ab128 | 428 | |
b9dc033c AZ |
429 | i = 0; |
430 | dev_descr_len = dev->descr[0]; | |
2791104c | 431 | if (dev_descr_len > dev->descr_len) { |
61c1117f HG |
432 | fprintf(stderr, "husb: update iface failed. descr too short\n"); |
433 | return 0; | |
2791104c | 434 | } |
b9dc033c AZ |
435 | |
436 | i += dev_descr_len; | |
437 | while (i < dev->descr_len) { | |
2791104c DA |
438 | DPRINTF("husb: i is %d, descr_len is %d, dl %d, dt %d\n", |
439 | i, dev->descr_len, | |
b9dc033c | 440 | dev->descr[i], dev->descr[i+1]); |
64838171 | 441 | |
b9dc033c AZ |
442 | if (dev->descr[i+1] != USB_DT_CONFIG) { |
443 | i += dev->descr[i]; | |
444 | continue; | |
445 | } | |
446 | config_descr_len = dev->descr[i]; | |
447 | ||
e6a2f500 | 448 | DPRINTF("husb: config #%d need %d\n", dev->descr[i + 5], configuration); |
1f3870ab | 449 | |
eb7700bb | 450 | if (configuration == dev->descr[i + 5]) { |
446ab128 | 451 | configuration = dev->descr[i + 5]; |
b9dc033c | 452 | break; |
446ab128 | 453 | } |
b9dc033c AZ |
454 | |
455 | i += config_descr_len; | |
456 | } | |
457 | ||
458 | if (i >= dev->descr_len) { | |
2791104c DA |
459 | fprintf(stderr, |
460 | "husb: update iface failed. no matching configuration\n"); | |
61c1117f | 461 | return 0; |
b9dc033c AZ |
462 | } |
463 | nb_interfaces = dev->descr[i + 4]; | |
464 | ||
465 | #ifdef USBDEVFS_DISCONNECT | |
466 | /* earlier Linux 2.4 do not support that */ | |
467 | { | |
468 | struct usbdevfs_ioctl ctrl; | |
469 | for (interface = 0; interface < nb_interfaces; interface++) { | |
470 | ctrl.ioctl_code = USBDEVFS_DISCONNECT; | |
471 | ctrl.ifno = interface; | |
021730f7 | 472 | ctrl.data = 0; |
41c01ee7 | 473 | op = "USBDEVFS_DISCONNECT"; |
b9dc033c AZ |
474 | ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl); |
475 | if (ret < 0 && errno != ENODATA) { | |
b9dc033c AZ |
476 | goto fail; |
477 | } | |
478 | } | |
479 | } | |
480 | #endif | |
481 | ||
482 | /* XXX: only grab if all interfaces are free */ | |
483 | for (interface = 0; interface < nb_interfaces; interface++) { | |
41c01ee7 | 484 | op = "USBDEVFS_CLAIMINTERFACE"; |
b9dc033c AZ |
485 | ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface); |
486 | if (ret < 0) { | |
41c01ee7 | 487 | goto fail; |
b9dc033c AZ |
488 | } |
489 | } | |
490 | ||
e6a2f500 GH |
491 | trace_usb_host_claim_interfaces(dev->bus_num, dev->addr, |
492 | nb_interfaces, configuration); | |
b9dc033c | 493 | |
446ab128 AL |
494 | dev->ninterfaces = nb_interfaces; |
495 | dev->configuration = configuration; | |
496 | return 1; | |
41c01ee7 GH |
497 | |
498 | fail: | |
499 | if (errno == ENODEV) { | |
500 | do_disconnect(dev); | |
501 | } | |
502 | perror(op); | |
503 | return 0; | |
446ab128 AL |
504 | } |
505 | ||
506 | static int usb_host_release_interfaces(USBHostDevice *s) | |
507 | { | |
508 | int ret, i; | |
509 | ||
e6a2f500 | 510 | trace_usb_host_release_interfaces(s->bus_num, s->addr); |
446ab128 AL |
511 | |
512 | for (i = 0; i < s->ninterfaces; i++) { | |
513 | ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i); | |
514 | if (ret < 0) { | |
e6a2f500 | 515 | perror("USBDEVFS_RELEASEINTERFACE"); |
446ab128 AL |
516 | return 0; |
517 | } | |
518 | } | |
b9dc033c AZ |
519 | return 1; |
520 | } | |
521 | ||
059809e4 | 522 | static void usb_host_handle_reset(USBDevice *dev) |
bb36d470 | 523 | { |
26a9e82a | 524 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 525 | |
e6a2f500 | 526 | trace_usb_host_reset(s->bus_num, s->addr); |
64838171 | 527 | |
bb36d470 | 528 | ioctl(s->fd, USBDEVFS_RESET); |
446ab128 | 529 | |
eb7700bb | 530 | usb_host_claim_interfaces(s, 0); |
9b87e19b | 531 | usb_linux_update_endp_table(s); |
5fafdf24 | 532 | } |
bb36d470 | 533 | |
059809e4 FB |
534 | static void usb_host_handle_destroy(USBDevice *dev) |
535 | { | |
536 | USBHostDevice *s = (USBHostDevice *)dev; | |
537 | ||
26a9e82a | 538 | usb_host_close(s); |
9516bb47 GH |
539 | if (s->hub_fd != -1) { |
540 | close(s->hub_fd); | |
541 | } | |
26a9e82a | 542 | QTAILQ_REMOVE(&hostdevs, s, next); |
b373a63a | 543 | qemu_remove_exit_notifier(&s->exit); |
059809e4 FB |
544 | } |
545 | ||
060dc841 HG |
546 | /* iso data is special, we need to keep enough urbs in flight to make sure |
547 | that the controller never runs out of them, otherwise the device will | |
548 | likely suffer a buffer underrun / overrun. */ | |
c0e5750b | 549 | static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, int pid, uint8_t ep) |
060dc841 HG |
550 | { |
551 | AsyncURB *aurb; | |
c0e5750b | 552 | int i, j, len = get_max_packet_size(s, pid, ep); |
060dc841 | 553 | |
7267c094 | 554 | aurb = g_malloc0(s->iso_urb_count * sizeof(*aurb)); |
b81bcd8a | 555 | for (i = 0; i < s->iso_urb_count; i++) { |
060dc841 HG |
556 | aurb[i].urb.endpoint = ep; |
557 | aurb[i].urb.buffer_length = ISO_FRAME_DESC_PER_URB * len; | |
7267c094 | 558 | aurb[i].urb.buffer = g_malloc(aurb[i].urb.buffer_length); |
060dc841 HG |
559 | aurb[i].urb.type = USBDEVFS_URB_TYPE_ISO; |
560 | aurb[i].urb.flags = USBDEVFS_URB_ISO_ASAP; | |
561 | aurb[i].urb.number_of_packets = ISO_FRAME_DESC_PER_URB; | |
562 | for (j = 0 ; j < ISO_FRAME_DESC_PER_URB; j++) | |
563 | aurb[i].urb.iso_frame_desc[j].length = len; | |
c0e5750b | 564 | if (pid == USB_TOKEN_IN) { |
060dc841 HG |
565 | aurb[i].urb.endpoint |= 0x80; |
566 | /* Mark as fully consumed (idle) */ | |
567 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB; | |
568 | } | |
569 | } | |
c0e5750b | 570 | set_iso_urb(s, pid, ep, aurb); |
060dc841 HG |
571 | |
572 | return aurb; | |
573 | } | |
574 | ||
c0e5750b | 575 | static void usb_host_stop_n_free_iso(USBHostDevice *s, int pid, uint8_t ep) |
060dc841 HG |
576 | { |
577 | AsyncURB *aurb; | |
578 | int i, ret, killed = 0, free = 1; | |
579 | ||
c0e5750b | 580 | aurb = get_iso_urb(s, pid, ep); |
060dc841 HG |
581 | if (!aurb) { |
582 | return; | |
583 | } | |
584 | ||
b81bcd8a | 585 | for (i = 0; i < s->iso_urb_count; i++) { |
060dc841 HG |
586 | /* in flight? */ |
587 | if (aurb[i].iso_frame_idx == -1) { | |
588 | ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]); | |
589 | if (ret < 0) { | |
e6a2f500 | 590 | perror("USBDEVFS_DISCARDURB"); |
060dc841 HG |
591 | free = 0; |
592 | continue; | |
593 | } | |
594 | killed++; | |
595 | } | |
596 | } | |
597 | ||
598 | /* Make sure any urbs we've killed are reaped before we free them */ | |
599 | if (killed) { | |
600 | async_complete(s); | |
601 | } | |
602 | ||
b81bcd8a | 603 | for (i = 0; i < s->iso_urb_count; i++) { |
7267c094 | 604 | g_free(aurb[i].urb.buffer); |
060dc841 HG |
605 | } |
606 | ||
607 | if (free) | |
7267c094 | 608 | g_free(aurb); |
060dc841 HG |
609 | else |
610 | printf("husb: leaking iso urbs because of discard failure\n"); | |
c0e5750b GH |
611 | set_iso_urb(s, pid, ep, NULL); |
612 | set_iso_urb_idx(s, pid, ep, 0); | |
613 | clear_iso_started(s, pid, ep); | |
060dc841 HG |
614 | } |
615 | ||
616 | static int urb_status_to_usb_ret(int status) | |
617 | { | |
618 | switch (status) { | |
619 | case -EPIPE: | |
620 | return USB_RET_STALL; | |
621 | default: | |
622 | return USB_RET_NAK; | |
623 | } | |
624 | } | |
625 | ||
bb6d5498 | 626 | static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in) |
060dc841 HG |
627 | { |
628 | AsyncURB *aurb; | |
bb6d5498 | 629 | int i, j, ret, max_packet_size, offset, len = 0; |
4f4321c1 | 630 | uint8_t *buf; |
975f2998 | 631 | |
c0e5750b | 632 | max_packet_size = get_max_packet_size(s, p->pid, p->devep); |
975f2998 HG |
633 | if (max_packet_size == 0) |
634 | return USB_RET_NAK; | |
060dc841 | 635 | |
c0e5750b | 636 | aurb = get_iso_urb(s, p->pid, p->devep); |
060dc841 | 637 | if (!aurb) { |
c0e5750b | 638 | aurb = usb_host_alloc_iso(s, p->pid, p->devep); |
060dc841 HG |
639 | } |
640 | ||
c0e5750b | 641 | i = get_iso_urb_idx(s, p->pid, p->devep); |
060dc841 HG |
642 | j = aurb[i].iso_frame_idx; |
643 | if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) { | |
bb6d5498 HG |
644 | if (in) { |
645 | /* Check urb status */ | |
646 | if (aurb[i].urb.status) { | |
647 | len = urb_status_to_usb_ret(aurb[i].urb.status); | |
648 | /* Move to the next urb */ | |
649 | aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB - 1; | |
650 | /* Check frame status */ | |
651 | } else if (aurb[i].urb.iso_frame_desc[j].status) { | |
652 | len = urb_status_to_usb_ret( | |
653 | aurb[i].urb.iso_frame_desc[j].status); | |
654 | /* Check the frame fits */ | |
4f4321c1 GH |
655 | } else if (aurb[i].urb.iso_frame_desc[j].actual_length |
656 | > p->iov.size) { | |
bb6d5498 HG |
657 | printf("husb: received iso data is larger then packet\n"); |
658 | len = USB_RET_NAK; | |
659 | /* All good copy data over */ | |
660 | } else { | |
661 | len = aurb[i].urb.iso_frame_desc[j].actual_length; | |
4f4321c1 GH |
662 | buf = aurb[i].urb.buffer + |
663 | j * aurb[i].urb.iso_frame_desc[0].length; | |
664 | usb_packet_copy(p, buf, len); | |
bb6d5498 | 665 | } |
060dc841 | 666 | } else { |
4f4321c1 | 667 | len = p->iov.size; |
c0e5750b | 668 | offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->pid, p->devep); |
bb6d5498 HG |
669 | |
670 | /* Check the frame fits */ | |
671 | if (len > max_packet_size) { | |
672 | printf("husb: send iso data is larger then max packet size\n"); | |
673 | return USB_RET_NAK; | |
674 | } | |
675 | ||
676 | /* All good copy data over */ | |
4f4321c1 | 677 | usb_packet_copy(p, aurb[i].urb.buffer + offset, len); |
bb6d5498 HG |
678 | aurb[i].urb.iso_frame_desc[j].length = len; |
679 | offset += len; | |
c0e5750b | 680 | set_iso_buffer_used(s, p->pid, p->devep, offset); |
bb6d5498 HG |
681 | |
682 | /* Start the stream once we have buffered enough data */ | |
c0e5750b GH |
683 | if (!is_iso_started(s, p->pid, p->devep) && i == 1 && j == 8) { |
684 | set_iso_started(s, p->pid, p->devep); | |
bb6d5498 | 685 | } |
060dc841 HG |
686 | } |
687 | aurb[i].iso_frame_idx++; | |
688 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { | |
b81bcd8a | 689 | i = (i + 1) % s->iso_urb_count; |
c0e5750b | 690 | set_iso_urb_idx(s, p->pid, p->devep, i); |
060dc841 | 691 | } |
bb6d5498 HG |
692 | } else { |
693 | if (in) { | |
c0e5750b | 694 | set_iso_started(s, p->pid, p->devep); |
bb6d5498 HG |
695 | } else { |
696 | DPRINTF("hubs: iso out error no free buffer, dropping packet\n"); | |
697 | } | |
060dc841 HG |
698 | } |
699 | ||
c0e5750b | 700 | if (is_iso_started(s, p->pid, p->devep)) { |
bb6d5498 | 701 | /* (Re)-submit all fully consumed / filled urbs */ |
b81bcd8a | 702 | for (i = 0; i < s->iso_urb_count; i++) { |
bb6d5498 HG |
703 | if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) { |
704 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]); | |
705 | if (ret < 0) { | |
e6a2f500 | 706 | perror("USBDEVFS_SUBMITURB"); |
bb6d5498 HG |
707 | if (!in || len == 0) { |
708 | switch(errno) { | |
709 | case ETIMEDOUT: | |
710 | len = USB_RET_NAK; | |
0225e254 | 711 | break; |
bb6d5498 HG |
712 | case EPIPE: |
713 | default: | |
714 | len = USB_RET_STALL; | |
715 | } | |
060dc841 | 716 | } |
bb6d5498 | 717 | break; |
060dc841 | 718 | } |
bb6d5498 | 719 | aurb[i].iso_frame_idx = -1; |
c0e5750b | 720 | change_iso_inflight(s, p->pid, p->devep, 1); |
060dc841 | 721 | } |
060dc841 HG |
722 | } |
723 | } | |
724 | ||
725 | return len; | |
726 | } | |
727 | ||
50b7963e | 728 | static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
bb36d470 | 729 | { |
50b7963e | 730 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
64838171 | 731 | struct usbdevfs_urb *urb; |
446ab128 | 732 | AsyncURB *aurb; |
b621bab4 | 733 | int ret, rem, prem, v; |
71138531 | 734 | uint8_t *pbuf; |
060dc841 | 735 | uint8_t ep; |
b9dc033c | 736 | |
e6a2f500 GH |
737 | trace_usb_host_req_data(s->bus_num, s->addr, |
738 | p->pid == USB_TOKEN_IN, | |
739 | p->devep, p->iov.size); | |
740 | ||
c0e5750b | 741 | if (!is_valid(s, p->pid, p->devep)) { |
e6a2f500 | 742 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK); |
a0b5fece HG |
743 | return USB_RET_NAK; |
744 | } | |
745 | ||
2791104c | 746 | if (p->pid == USB_TOKEN_IN) { |
060dc841 | 747 | ep = p->devep | 0x80; |
2791104c | 748 | } else { |
060dc841 | 749 | ep = p->devep; |
2791104c | 750 | } |
64838171 | 751 | |
c0e5750b | 752 | if (is_halted(s, p->pid, p->devep)) { |
9b87e19b GH |
753 | unsigned int arg = ep; |
754 | ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &arg); | |
64838171 | 755 | if (ret < 0) { |
e6a2f500 GH |
756 | perror("USBDEVFS_CLEAR_HALT"); |
757 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK); | |
bb36d470 | 758 | return USB_RET_NAK; |
bb36d470 | 759 | } |
c0e5750b | 760 | clear_halt(s, p->pid, p->devep); |
4d043a09 AZ |
761 | } |
762 | ||
c0e5750b | 763 | if (is_isoc(s, p->pid, p->devep)) { |
bb6d5498 HG |
764 | return usb_host_handle_iso_data(s, p, p->pid == USB_TOKEN_IN); |
765 | } | |
060dc841 | 766 | |
b621bab4 GH |
767 | v = 0; |
768 | prem = p->iov.iov[v].iov_len; | |
769 | pbuf = p->iov.iov[v].iov_base; | |
770 | rem = p->iov.size; | |
71138531 | 771 | while (rem) { |
b621bab4 GH |
772 | if (prem == 0) { |
773 | v++; | |
774 | assert(v < p->iov.niov); | |
775 | prem = p->iov.iov[v].iov_len; | |
776 | pbuf = p->iov.iov[v].iov_base; | |
777 | assert(prem <= rem); | |
778 | } | |
71138531 GH |
779 | aurb = async_alloc(s); |
780 | aurb->packet = p; | |
781 | ||
782 | urb = &aurb->urb; | |
783 | urb->endpoint = ep; | |
784 | urb->type = USBDEVFS_URB_TYPE_BULK; | |
785 | urb->usercontext = s; | |
786 | urb->buffer = pbuf; | |
b621bab4 | 787 | urb->buffer_length = prem; |
71138531 | 788 | |
b621bab4 | 789 | if (urb->buffer_length > MAX_USBFS_BUFFER_SIZE) { |
71138531 | 790 | urb->buffer_length = MAX_USBFS_BUFFER_SIZE; |
71138531 GH |
791 | } |
792 | pbuf += urb->buffer_length; | |
b621bab4 | 793 | prem -= urb->buffer_length; |
71138531 | 794 | rem -= urb->buffer_length; |
b621bab4 GH |
795 | if (rem) { |
796 | aurb->more = 1; | |
797 | } | |
b9dc033c | 798 | |
e6a2f500 GH |
799 | trace_usb_host_urb_submit(s->bus_num, s->addr, aurb, |
800 | urb->buffer_length, aurb->more); | |
71138531 | 801 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
b9dc033c | 802 | |
71138531 GH |
803 | DPRINTF("husb: data submit: ep 0x%x, len %u, more %d, packet %p, aurb %p\n", |
804 | urb->endpoint, urb->buffer_length, aurb->more, p, aurb); | |
b9dc033c | 805 | |
71138531 | 806 | if (ret < 0) { |
e6a2f500 | 807 | perror("USBDEVFS_SUBMITURB"); |
71138531 | 808 | async_free(aurb); |
b9dc033c | 809 | |
71138531 GH |
810 | switch(errno) { |
811 | case ETIMEDOUT: | |
e6a2f500 | 812 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK); |
71138531 GH |
813 | return USB_RET_NAK; |
814 | case EPIPE: | |
815 | default: | |
e6a2f500 | 816 | trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_STALL); |
71138531 GH |
817 | return USB_RET_STALL; |
818 | } | |
b9dc033c AZ |
819 | } |
820 | } | |
64838171 | 821 | |
b9dc033c | 822 | return USB_RET_ASYNC; |
b9dc033c AZ |
823 | } |
824 | ||
446ab128 AL |
825 | static int ctrl_error(void) |
826 | { | |
2791104c | 827 | if (errno == ETIMEDOUT) { |
446ab128 | 828 | return USB_RET_NAK; |
2791104c | 829 | } else { |
446ab128 | 830 | return USB_RET_STALL; |
2791104c | 831 | } |
446ab128 AL |
832 | } |
833 | ||
834 | static int usb_host_set_address(USBHostDevice *s, int addr) | |
835 | { | |
e6a2f500 | 836 | trace_usb_host_set_address(s->bus_num, s->addr, addr); |
446ab128 AL |
837 | s->dev.addr = addr; |
838 | return 0; | |
839 | } | |
840 | ||
841 | static int usb_host_set_config(USBHostDevice *s, int config) | |
842 | { | |
e6a2f500 GH |
843 | trace_usb_host_set_config(s->bus_num, s->addr, config); |
844 | ||
446ab128 AL |
845 | usb_host_release_interfaces(s); |
846 | ||
847 | int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config); | |
2791104c | 848 | |
d0f2c4c6 | 849 | DPRINTF("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno); |
2791104c DA |
850 | |
851 | if (ret < 0) { | |
446ab128 | 852 | return ctrl_error(); |
2791104c | 853 | } |
446ab128 | 854 | usb_host_claim_interfaces(s, config); |
eb7700bb | 855 | usb_linux_update_endp_table(s); |
446ab128 AL |
856 | return 0; |
857 | } | |
858 | ||
859 | static int usb_host_set_interface(USBHostDevice *s, int iface, int alt) | |
860 | { | |
861 | struct usbdevfs_setinterface si; | |
060dc841 HG |
862 | int i, ret; |
863 | ||
e6a2f500 GH |
864 | trace_usb_host_set_interface(s->bus_num, s->addr, iface, alt); |
865 | ||
3a4854b3 | 866 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
c0e5750b GH |
867 | if (is_isoc(s, USB_TOKEN_IN, i)) { |
868 | usb_host_stop_n_free_iso(s, USB_TOKEN_IN, i); | |
869 | } | |
870 | if (is_isoc(s, USB_TOKEN_OUT, i)) { | |
871 | usb_host_stop_n_free_iso(s, USB_TOKEN_OUT, i); | |
060dc841 HG |
872 | } |
873 | } | |
446ab128 AL |
874 | |
875 | si.interface = iface; | |
876 | si.altsetting = alt; | |
877 | ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si); | |
446ab128 | 878 | |
2791104c DA |
879 | DPRINTF("husb: ctrl set iface %d altset %d ret %d errno %d\n", |
880 | iface, alt, ret, errno); | |
881 | ||
882 | if (ret < 0) { | |
883 | return ctrl_error(); | |
884 | } | |
446ab128 AL |
885 | usb_linux_update_endp_table(s); |
886 | return 0; | |
887 | } | |
888 | ||
50b7963e HG |
889 | static int usb_host_handle_control(USBDevice *dev, USBPacket *p, |
890 | int request, int value, int index, int length, uint8_t *data) | |
446ab128 | 891 | { |
50b7963e | 892 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
446ab128 AL |
893 | struct usbdevfs_urb *urb; |
894 | AsyncURB *aurb; | |
50b7963e | 895 | int ret; |
446ab128 | 896 | |
2791104c | 897 | /* |
446ab128 AL |
898 | * Process certain standard device requests. |
899 | * These are infrequent and are processed synchronously. | |
900 | */ | |
446ab128 | 901 | |
50b7963e | 902 | /* Note request is (bRequestType << 8) | bRequest */ |
e6a2f500 | 903 | trace_usb_host_req_control(s->bus_num, s->addr, request, value, index); |
446ab128 | 904 | |
50b7963e HG |
905 | switch (request) { |
906 | case DeviceOutRequest | USB_REQ_SET_ADDRESS: | |
907 | return usb_host_set_address(s, value); | |
446ab128 | 908 | |
50b7963e HG |
909 | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: |
910 | return usb_host_set_config(s, value & 0xff); | |
446ab128 | 911 | |
50b7963e | 912 | case InterfaceOutRequest | USB_REQ_SET_INTERFACE: |
446ab128 | 913 | return usb_host_set_interface(s, index, value); |
2791104c | 914 | } |
446ab128 AL |
915 | |
916 | /* The rest are asynchronous */ | |
917 | ||
50b7963e HG |
918 | if (length > sizeof(dev->data_buf)) { |
919 | fprintf(stderr, "husb: ctrl buffer too small (%d > %zu)\n", | |
920 | length, sizeof(dev->data_buf)); | |
b2e3b6e9 | 921 | return USB_RET_STALL; |
c4c0e236 JP |
922 | } |
923 | ||
7a8fc83f | 924 | aurb = async_alloc(s); |
446ab128 AL |
925 | aurb->packet = p; |
926 | ||
2791104c | 927 | /* |
446ab128 AL |
928 | * Setup ctrl transfer. |
929 | * | |
a0102082 | 930 | * s->ctrl is laid out such that data buffer immediately follows |
446ab128 | 931 | * 'req' struct which is exactly what usbdevfs expects. |
2791104c | 932 | */ |
446ab128 AL |
933 | urb = &aurb->urb; |
934 | ||
935 | urb->type = USBDEVFS_URB_TYPE_CONTROL; | |
936 | urb->endpoint = p->devep; | |
937 | ||
50b7963e HG |
938 | urb->buffer = &dev->setup_buf; |
939 | urb->buffer_length = length + 8; | |
446ab128 AL |
940 | |
941 | urb->usercontext = s; | |
942 | ||
e6a2f500 GH |
943 | trace_usb_host_urb_submit(s->bus_num, s->addr, aurb, |
944 | urb->buffer_length, aurb->more); | |
446ab128 AL |
945 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
946 | ||
d0f2c4c6 | 947 | DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb); |
446ab128 AL |
948 | |
949 | if (ret < 0) { | |
d0f2c4c6 | 950 | DPRINTF("husb: submit failed. errno %d\n", errno); |
446ab128 AL |
951 | async_free(aurb); |
952 | ||
953 | switch(errno) { | |
954 | case ETIMEDOUT: | |
955 | return USB_RET_NAK; | |
956 | case EPIPE: | |
957 | default: | |
958 | return USB_RET_STALL; | |
959 | } | |
960 | } | |
961 | ||
446ab128 AL |
962 | return USB_RET_ASYNC; |
963 | } | |
964 | ||
ed3a328d HG |
965 | static uint8_t usb_linux_get_alt_setting(USBHostDevice *s, |
966 | uint8_t configuration, uint8_t interface) | |
967 | { | |
968 | uint8_t alt_setting; | |
969 | struct usb_ctrltransfer ct; | |
970 | int ret; | |
971 | ||
c43831fb HG |
972 | if (usb_fs_type == USB_FS_SYS) { |
973 | char device_name[64], line[1024]; | |
974 | int alt_setting; | |
975 | ||
5557d820 | 976 | sprintf(device_name, "%d-%s:%d.%d", s->bus_num, s->port, |
c43831fb HG |
977 | (int)configuration, (int)interface); |
978 | ||
979 | if (!usb_host_read_file(line, sizeof(line), "bAlternateSetting", | |
980 | device_name)) { | |
981 | goto usbdevfs; | |
982 | } | |
983 | if (sscanf(line, "%d", &alt_setting) != 1) { | |
984 | goto usbdevfs; | |
985 | } | |
986 | return alt_setting; | |
987 | } | |
988 | ||
989 | usbdevfs: | |
ed3a328d HG |
990 | ct.bRequestType = USB_DIR_IN | USB_RECIP_INTERFACE; |
991 | ct.bRequest = USB_REQ_GET_INTERFACE; | |
992 | ct.wValue = 0; | |
993 | ct.wIndex = interface; | |
994 | ct.wLength = 1; | |
995 | ct.data = &alt_setting; | |
996 | ct.timeout = 50; | |
997 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); | |
998 | if (ret < 0) { | |
999 | /* Assume alt 0 on error */ | |
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | return alt_setting; | |
1004 | } | |
1005 | ||
71d71bbd HG |
1006 | /* returns 1 on problem encountered or 0 for success */ |
1007 | static int usb_linux_update_endp_table(USBHostDevice *s) | |
1008 | { | |
1009 | uint8_t *descriptors; | |
eb7700bb | 1010 | uint8_t devep, type, alt_interface; |
c0e5750b GH |
1011 | int interface, length, i, ep, pid; |
1012 | struct endp_data *epd; | |
71d71bbd | 1013 | |
c0e5750b GH |
1014 | for (i = 0; i < MAX_ENDPOINTS; i++) { |
1015 | s->ep_in[i].type = INVALID_EP_TYPE; | |
1016 | s->ep_out[i].type = INVALID_EP_TYPE; | |
1017 | } | |
a0b5fece | 1018 | |
eb7700bb GH |
1019 | if (s->configuration == 0) { |
1020 | /* not configured yet -- leave all endpoints disabled */ | |
1021 | return 0; | |
1022 | } | |
71d71bbd | 1023 | |
b9dc033c AZ |
1024 | /* get the desired configuration, interface, and endpoint descriptors |
1025 | * from device description */ | |
1026 | descriptors = &s->descr[18]; | |
1027 | length = s->descr_len - 18; | |
1028 | i = 0; | |
1029 | ||
1030 | if (descriptors[i + 1] != USB_DT_CONFIG || | |
eb7700bb GH |
1031 | descriptors[i + 5] != s->configuration) { |
1032 | fprintf(stderr, "invalid descriptor data - configuration %d\n", | |
1033 | s->configuration); | |
b9dc033c AZ |
1034 | return 1; |
1035 | } | |
1036 | i += descriptors[i]; | |
1037 | ||
1038 | while (i < length) { | |
1039 | if (descriptors[i + 1] != USB_DT_INTERFACE || | |
1040 | (descriptors[i + 1] == USB_DT_INTERFACE && | |
1041 | descriptors[i + 4] == 0)) { | |
1042 | i += descriptors[i]; | |
1043 | continue; | |
1044 | } | |
1045 | ||
1046 | interface = descriptors[i + 2]; | |
eb7700bb GH |
1047 | alt_interface = usb_linux_get_alt_setting(s, s->configuration, |
1048 | interface); | |
b9dc033c AZ |
1049 | |
1050 | /* the current interface descriptor is the active interface | |
1051 | * and has endpoints */ | |
1052 | if (descriptors[i + 3] != alt_interface) { | |
1053 | i += descriptors[i]; | |
1054 | continue; | |
1055 | } | |
1056 | ||
1057 | /* advance to the endpoints */ | |
2791104c | 1058 | while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) { |
b9dc033c | 1059 | i += descriptors[i]; |
2791104c | 1060 | } |
b9dc033c AZ |
1061 | |
1062 | if (i >= length) | |
1063 | break; | |
1064 | ||
1065 | while (i < length) { | |
2791104c | 1066 | if (descriptors[i + 1] != USB_DT_ENDPOINT) { |
b9dc033c | 1067 | break; |
2791104c | 1068 | } |
b9dc033c AZ |
1069 | |
1070 | devep = descriptors[i + 2]; | |
c0e5750b GH |
1071 | pid = (devep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT; |
1072 | ep = devep & 0xf; | |
1073 | if (ep == 0) { | |
130314f8 HG |
1074 | fprintf(stderr, "usb-linux: invalid ep descriptor, ep == 0\n"); |
1075 | return 1; | |
1076 | } | |
1077 | ||
b9dc033c AZ |
1078 | switch (descriptors[i + 3] & 0x3) { |
1079 | case 0x00: | |
1080 | type = USBDEVFS_URB_TYPE_CONTROL; | |
1081 | break; | |
1082 | case 0x01: | |
1083 | type = USBDEVFS_URB_TYPE_ISO; | |
c0e5750b | 1084 | set_max_packet_size(s, pid, ep, descriptors + i); |
b9dc033c AZ |
1085 | break; |
1086 | case 0x02: | |
1087 | type = USBDEVFS_URB_TYPE_BULK; | |
1088 | break; | |
1089 | case 0x03: | |
1090 | type = USBDEVFS_URB_TYPE_INTERRUPT; | |
1091 | break; | |
ddbda432 AL |
1092 | default: |
1093 | DPRINTF("usb_host: malformed endpoint type\n"); | |
1094 | type = USBDEVFS_URB_TYPE_BULK; | |
b9dc033c | 1095 | } |
c0e5750b GH |
1096 | epd = get_endp(s, pid, ep); |
1097 | assert(epd->type == INVALID_EP_TYPE); | |
1098 | epd->type = type; | |
1099 | epd->halted = 0; | |
b9dc033c AZ |
1100 | |
1101 | i += descriptors[i]; | |
1102 | } | |
1103 | } | |
1104 | return 0; | |
1105 | } | |
1106 | ||
e4b17767 HG |
1107 | /* |
1108 | * Check if we can safely redirect a usb2 device to a usb1 virtual controller, | |
1109 | * this function assumes this is safe, if: | |
1110 | * 1) There are no isoc endpoints | |
1111 | * 2) There are no interrupt endpoints with a max_packet_size > 64 | |
1112 | * Note bulk endpoints with a max_packet_size > 64 in theory also are not | |
1113 | * usb1 compatible, but in practice this seems to work fine. | |
1114 | */ | |
1115 | static int usb_linux_full_speed_compat(USBHostDevice *dev) | |
1116 | { | |
1117 | int i, packet_size; | |
1118 | ||
1119 | /* | |
1120 | * usb_linux_update_endp_table only registers info about ep in the current | |
1121 | * interface altsettings, so we need to parse the descriptors again. | |
1122 | */ | |
1123 | for (i = 0; (i + 5) < dev->descr_len; i += dev->descr[i]) { | |
1124 | if (dev->descr[i + 1] == USB_DT_ENDPOINT) { | |
1125 | switch (dev->descr[i + 3] & 0x3) { | |
1126 | case 0x00: /* CONTROL */ | |
1127 | break; | |
1128 | case 0x01: /* ISO */ | |
1129 | return 0; | |
1130 | case 0x02: /* BULK */ | |
1131 | break; | |
1132 | case 0x03: /* INTERRUPT */ | |
1133 | packet_size = dev->descr[i + 4] + (dev->descr[i + 5] << 8); | |
1134 | if (packet_size > 64) | |
1135 | return 0; | |
1136 | break; | |
1137 | } | |
1138 | } | |
1139 | } | |
1140 | return 1; | |
1141 | } | |
1142 | ||
26a9e82a | 1143 | static int usb_host_open(USBHostDevice *dev, int bus_num, |
ba9acab9 GH |
1144 | int addr, const char *port, |
1145 | const char *prod_name, int speed) | |
bb36d470 | 1146 | { |
b9dc033c | 1147 | int fd = -1, ret; |
a594cfbf | 1148 | char buf[1024]; |
1f3870ab | 1149 | |
e6a2f500 GH |
1150 | trace_usb_host_open_started(bus_num, addr); |
1151 | ||
2791104c | 1152 | if (dev->fd != -1) { |
26a9e82a | 1153 | goto fail; |
2791104c | 1154 | } |
3b46e624 | 1155 | |
0f431527 AL |
1156 | if (!usb_host_device_path) { |
1157 | perror("husb: USB Host Device Path not set"); | |
1158 | goto fail; | |
1159 | } | |
1160 | snprintf(buf, sizeof(buf), "%s/%03d/%03d", usb_host_device_path, | |
a594cfbf | 1161 | bus_num, addr); |
b9dc033c | 1162 | fd = open(buf, O_RDWR | O_NONBLOCK); |
bb36d470 | 1163 | if (fd < 0) { |
a594cfbf | 1164 | perror(buf); |
1f3870ab | 1165 | goto fail; |
bb36d470 | 1166 | } |
d0f2c4c6 | 1167 | DPRINTF("husb: opened %s\n", buf); |
bb36d470 | 1168 | |
806b6024 GH |
1169 | dev->bus_num = bus_num; |
1170 | dev->addr = addr; | |
5557d820 | 1171 | strcpy(dev->port, port); |
22f84e73 | 1172 | dev->fd = fd; |
806b6024 | 1173 | |
b9dc033c AZ |
1174 | /* read the device description */ |
1175 | dev->descr_len = read(fd, dev->descr, sizeof(dev->descr)); | |
1176 | if (dev->descr_len <= 0) { | |
64838171 | 1177 | perror("husb: reading device data failed"); |
bb36d470 FB |
1178 | goto fail; |
1179 | } | |
3b46e624 | 1180 | |
b9dc033c | 1181 | #ifdef DEBUG |
868bfe2b | 1182 | { |
b9dc033c AZ |
1183 | int x; |
1184 | printf("=== begin dumping device descriptor data ===\n"); | |
2791104c | 1185 | for (x = 0; x < dev->descr_len; x++) { |
b9dc033c | 1186 | printf("%02x ", dev->descr[x]); |
2791104c | 1187 | } |
b9dc033c | 1188 | printf("\n=== end dumping device descriptor data ===\n"); |
bb36d470 | 1189 | } |
a594cfbf FB |
1190 | #endif |
1191 | ||
b9dc033c | 1192 | |
eb7700bb GH |
1193 | /* start unconfigured -- we'll wait for the guest to set a configuration */ |
1194 | if (!usb_host_claim_interfaces(dev, 0)) { | |
b9dc033c | 1195 | goto fail; |
2791104c | 1196 | } |
bb36d470 | 1197 | |
b9dc033c | 1198 | ret = usb_linux_update_endp_table(dev); |
2791104c | 1199 | if (ret) { |
bb36d470 | 1200 | goto fail; |
2791104c | 1201 | } |
b9dc033c | 1202 | |
3991c35e HG |
1203 | if (speed == -1) { |
1204 | struct usbdevfs_connectinfo ci; | |
1205 | ||
1206 | ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); | |
1207 | if (ret < 0) { | |
1208 | perror("usb_host_device_open: USBDEVFS_CONNECTINFO"); | |
1209 | goto fail; | |
1210 | } | |
1211 | ||
1212 | if (ci.slow) { | |
1213 | speed = USB_SPEED_LOW; | |
1214 | } else { | |
1215 | speed = USB_SPEED_HIGH; | |
1216 | } | |
2791104c | 1217 | } |
3991c35e | 1218 | dev->dev.speed = speed; |
ba3f9bfb | 1219 | dev->dev.speedmask = (1 << speed); |
e4b17767 HG |
1220 | if (dev->dev.speed == USB_SPEED_HIGH && usb_linux_full_speed_compat(dev)) { |
1221 | dev->dev.speedmask |= USB_SPEED_MASK_FULL; | |
1222 | } | |
3991c35e | 1223 | |
e6a2f500 | 1224 | trace_usb_host_open_success(bus_num, addr); |
bb36d470 | 1225 | |
2791104c | 1226 | if (!prod_name || prod_name[0] == '\0') { |
0fe6d12e | 1227 | snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1228 | "host:%d.%d", bus_num, addr); |
2791104c | 1229 | } else { |
0fe6d12e | 1230 | pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
4b096fc9 | 1231 | prod_name); |
2791104c | 1232 | } |
1f6e24e7 | 1233 | |
fa19bf83 HG |
1234 | ret = usb_device_attach(&dev->dev); |
1235 | if (ret) { | |
1236 | goto fail; | |
1237 | } | |
1238 | ||
64838171 AL |
1239 | /* USB devio uses 'write' flag to check for async completions */ |
1240 | qemu_set_fd_handler(dev->fd, NULL, async_complete, dev); | |
1f3870ab | 1241 | |
26a9e82a | 1242 | return 0; |
4b096fc9 | 1243 | |
b9dc033c | 1244 | fail: |
e6a2f500 | 1245 | trace_usb_host_open_failure(bus_num, addr); |
1f45a81b GH |
1246 | if (dev->fd != -1) { |
1247 | close(dev->fd); | |
1248 | dev->fd = -1; | |
2791104c | 1249 | } |
26a9e82a GH |
1250 | return -1; |
1251 | } | |
1252 | ||
1253 | static int usb_host_close(USBHostDevice *dev) | |
1254 | { | |
060dc841 HG |
1255 | int i; |
1256 | ||
1f45a81b | 1257 | if (dev->fd == -1 || !dev->dev.attached) { |
26a9e82a | 1258 | return -1; |
2791104c | 1259 | } |
26a9e82a | 1260 | |
e6a2f500 GH |
1261 | trace_usb_host_close(dev->bus_num, dev->addr); |
1262 | ||
26a9e82a GH |
1263 | qemu_set_fd_handler(dev->fd, NULL, NULL, NULL); |
1264 | dev->closing = 1; | |
3a4854b3 | 1265 | for (i = 1; i <= MAX_ENDPOINTS; i++) { |
c0e5750b GH |
1266 | if (is_isoc(dev, USB_TOKEN_IN, i)) { |
1267 | usb_host_stop_n_free_iso(dev, USB_TOKEN_IN, i); | |
1268 | } | |
1269 | if (is_isoc(dev, USB_TOKEN_OUT, i)) { | |
1270 | usb_host_stop_n_free_iso(dev, USB_TOKEN_OUT, i); | |
060dc841 HG |
1271 | } |
1272 | } | |
26a9e82a GH |
1273 | async_complete(dev); |
1274 | dev->closing = 0; | |
1275 | usb_device_detach(&dev->dev); | |
00ff227a | 1276 | ioctl(dev->fd, USBDEVFS_RESET); |
26a9e82a GH |
1277 | close(dev->fd); |
1278 | dev->fd = -1; | |
1279 | return 0; | |
1280 | } | |
1281 | ||
9e8dd451 | 1282 | static void usb_host_exit_notifier(struct Notifier *n, void *data) |
b373a63a SH |
1283 | { |
1284 | USBHostDevice *s = container_of(n, USBHostDevice, exit); | |
1285 | ||
1286 | if (s->fd != -1) { | |
1287 | ioctl(s->fd, USBDEVFS_RESET); | |
1288 | } | |
1289 | } | |
1290 | ||
26a9e82a GH |
1291 | static int usb_host_initfn(USBDevice *dev) |
1292 | { | |
1293 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); | |
1294 | ||
1295 | dev->auto_attach = 0; | |
1296 | s->fd = -1; | |
9516bb47 GH |
1297 | s->hub_fd = -1; |
1298 | ||
26a9e82a | 1299 | QTAILQ_INSERT_TAIL(&hostdevs, s, next); |
b373a63a SH |
1300 | s->exit.notify = usb_host_exit_notifier; |
1301 | qemu_add_exit_notifier(&s->exit); | |
26a9e82a | 1302 | usb_host_auto_check(NULL); |
9516bb47 GH |
1303 | |
1304 | #ifdef USBDEVFS_CLAIM_PORT | |
1305 | if (s->match.bus_num != 0 && s->match.port != NULL) { | |
1306 | char *h, hub_name[64], line[1024]; | |
1307 | int hub_addr, portnr, ret; | |
1308 | ||
1309 | snprintf(hub_name, sizeof(hub_name), "%d-%s", | |
1310 | s->match.bus_num, s->match.port); | |
1311 | ||
1312 | /* try strip off last ".$portnr" to get hub */ | |
1313 | h = strrchr(hub_name, '.'); | |
1314 | if (h != NULL) { | |
1315 | portnr = atoi(h+1); | |
1316 | *h = '\0'; | |
1317 | } else { | |
1318 | /* no dot in there -> it is the root hub */ | |
1319 | snprintf(hub_name, sizeof(hub_name), "usb%d", | |
1320 | s->match.bus_num); | |
1321 | portnr = atoi(s->match.port); | |
1322 | } | |
1323 | ||
1324 | if (!usb_host_read_file(line, sizeof(line), "devnum", | |
1325 | hub_name)) { | |
1326 | goto out; | |
1327 | } | |
1328 | if (sscanf(line, "%d", &hub_addr) != 1) { | |
1329 | goto out; | |
1330 | } | |
1331 | ||
1332 | if (!usb_host_device_path) { | |
1333 | goto out; | |
1334 | } | |
1335 | snprintf(line, sizeof(line), "%s/%03d/%03d", | |
1336 | usb_host_device_path, s->match.bus_num, hub_addr); | |
1337 | s->hub_fd = open(line, O_RDWR | O_NONBLOCK); | |
1338 | if (s->hub_fd < 0) { | |
1339 | goto out; | |
1340 | } | |
1341 | ||
1342 | ret = ioctl(s->hub_fd, USBDEVFS_CLAIM_PORT, &portnr); | |
1343 | if (ret < 0) { | |
1344 | close(s->hub_fd); | |
1345 | s->hub_fd = -1; | |
1346 | goto out; | |
1347 | } | |
1348 | ||
1349 | trace_usb_host_claim_port(s->match.bus_num, hub_addr, portnr); | |
1350 | } | |
1351 | out: | |
1352 | #endif | |
1353 | ||
26a9e82a | 1354 | return 0; |
a594cfbf | 1355 | } |
bb36d470 | 1356 | |
806b6024 | 1357 | static struct USBDeviceInfo usb_host_dev_info = { |
06384698 | 1358 | .product_desc = "USB Host Device", |
556cd098 | 1359 | .qdev.name = "usb-host", |
806b6024 GH |
1360 | .qdev.size = sizeof(USBHostDevice), |
1361 | .init = usb_host_initfn, | |
50b7963e | 1362 | .handle_packet = usb_generic_handle_packet, |
eb5e680a | 1363 | .cancel_packet = usb_host_async_cancel, |
50b7963e HG |
1364 | .handle_data = usb_host_handle_data, |
1365 | .handle_control = usb_host_handle_control, | |
806b6024 | 1366 | .handle_reset = usb_host_handle_reset, |
806b6024 | 1367 | .handle_destroy = usb_host_handle_destroy, |
26a9e82a GH |
1368 | .usbdevice_name = "host", |
1369 | .usbdevice_init = usb_host_device_open, | |
1370 | .qdev.props = (Property[]) { | |
1371 | DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0), | |
1372 | DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0), | |
9056a297 | 1373 | DEFINE_PROP_STRING("hostport", USBHostDevice, match.port), |
26a9e82a GH |
1374 | DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0), |
1375 | DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0), | |
b81bcd8a | 1376 | DEFINE_PROP_UINT32("isobufs", USBHostDevice, iso_urb_count, 4), |
26a9e82a GH |
1377 | DEFINE_PROP_END_OF_LIST(), |
1378 | }, | |
806b6024 GH |
1379 | }; |
1380 | ||
1381 | static void usb_host_register_devices(void) | |
1382 | { | |
1383 | usb_qdev_register(&usb_host_dev_info); | |
1384 | } | |
1385 | device_init(usb_host_register_devices) | |
1386 | ||
4b096fc9 AL |
1387 | USBDevice *usb_host_device_open(const char *devname) |
1388 | { | |
0745eb1e | 1389 | struct USBAutoFilter filter; |
26a9e82a | 1390 | USBDevice *dev; |
26a9e82a GH |
1391 | char *p; |
1392 | ||
556cd098 | 1393 | dev = usb_create(NULL /* FIXME */, "usb-host"); |
4b096fc9 | 1394 | |
5d0c5750 | 1395 | if (strstr(devname, "auto:")) { |
2791104c | 1396 | if (parse_filter(devname, &filter) < 0) { |
26a9e82a | 1397 | goto fail; |
2791104c | 1398 | } |
26a9e82a GH |
1399 | } else { |
1400 | if ((p = strchr(devname, '.'))) { | |
0745eb1e MA |
1401 | filter.bus_num = strtoul(devname, NULL, 0); |
1402 | filter.addr = strtoul(p + 1, NULL, 0); | |
1403 | filter.vendor_id = 0; | |
1404 | filter.product_id = 0; | |
26a9e82a | 1405 | } else if ((p = strchr(devname, ':'))) { |
0745eb1e MA |
1406 | filter.bus_num = 0; |
1407 | filter.addr = 0; | |
26a9e82a | 1408 | filter.vendor_id = strtoul(devname, NULL, 16); |
0745eb1e | 1409 | filter.product_id = strtoul(p + 1, NULL, 16); |
26a9e82a GH |
1410 | } else { |
1411 | goto fail; | |
1412 | } | |
5d0c5750 | 1413 | } |
4b096fc9 | 1414 | |
0745eb1e MA |
1415 | qdev_prop_set_uint32(&dev->qdev, "hostbus", filter.bus_num); |
1416 | qdev_prop_set_uint32(&dev->qdev, "hostaddr", filter.addr); | |
26a9e82a GH |
1417 | qdev_prop_set_uint32(&dev->qdev, "vendorid", filter.vendor_id); |
1418 | qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id); | |
beb6f0de | 1419 | qdev_init_nofail(&dev->qdev); |
26a9e82a | 1420 | return dev; |
5d0c5750 | 1421 | |
26a9e82a GH |
1422 | fail: |
1423 | qdev_free(&dev->qdev); | |
1424 | return NULL; | |
4b096fc9 | 1425 | } |
5d0c5750 AL |
1426 | |
1427 | int usb_host_device_close(const char *devname) | |
1428 | { | |
26a9e82a | 1429 | #if 0 |
5d0c5750 AL |
1430 | char product_name[PRODUCT_NAME_SZ]; |
1431 | int bus_num, addr; | |
1432 | USBHostDevice *s; | |
1433 | ||
2791104c | 1434 | if (strstr(devname, "auto:")) { |
5d0c5750 | 1435 | return usb_host_auto_del(devname); |
2791104c DA |
1436 | } |
1437 | if (usb_host_find_device(&bus_num, &addr, product_name, | |
1438 | sizeof(product_name), devname) < 0) { | |
5d0c5750 | 1439 | return -1; |
2791104c | 1440 | } |
5d0c5750 AL |
1441 | s = hostdev_find(bus_num, addr); |
1442 | if (s) { | |
a5d2f727 | 1443 | usb_device_delete_addr(s->bus_num, s->dev.addr); |
5d0c5750 AL |
1444 | return 0; |
1445 | } | |
26a9e82a | 1446 | #endif |
5d0c5750 AL |
1447 | |
1448 | return -1; | |
1449 | } | |
a5d2f727 | 1450 | |
a594cfbf | 1451 | static int get_tag_value(char *buf, int buf_size, |
5fafdf24 | 1452 | const char *str, const char *tag, |
a594cfbf FB |
1453 | const char *stopchars) |
1454 | { | |
1455 | const char *p; | |
1456 | char *q; | |
1457 | p = strstr(str, tag); | |
2791104c | 1458 | if (!p) { |
a594cfbf | 1459 | return -1; |
2791104c | 1460 | } |
a594cfbf | 1461 | p += strlen(tag); |
2791104c | 1462 | while (qemu_isspace(*p)) { |
a594cfbf | 1463 | p++; |
2791104c | 1464 | } |
a594cfbf FB |
1465 | q = buf; |
1466 | while (*p != '\0' && !strchr(stopchars, *p)) { | |
2791104c | 1467 | if ((q - buf) < (buf_size - 1)) { |
a594cfbf | 1468 | *q++ = *p; |
2791104c | 1469 | } |
a594cfbf FB |
1470 | p++; |
1471 | } | |
1472 | *q = '\0'; | |
1473 | return q - buf; | |
bb36d470 FB |
1474 | } |
1475 | ||
0f431527 AL |
1476 | /* |
1477 | * Use /proc/bus/usb/devices or /dev/bus/usb/devices file to determine | |
1478 | * host's USB devices. This is legacy support since many distributions | |
1479 | * are moving to /sys/bus/usb | |
1480 | */ | |
1481 | static int usb_host_scan_dev(void *opaque, USBScanFunc *func) | |
bb36d470 | 1482 | { |
660f11be | 1483 | FILE *f = NULL; |
a594cfbf | 1484 | char line[1024]; |
bb36d470 | 1485 | char buf[1024]; |
a594cfbf | 1486 | int bus_num, addr, speed, device_count, class_id, product_id, vendor_id; |
a594cfbf | 1487 | char product_name[512]; |
0f431527 | 1488 | int ret = 0; |
3b46e624 | 1489 | |
0f431527 AL |
1490 | if (!usb_host_device_path) { |
1491 | perror("husb: USB Host Device Path not set"); | |
1492 | goto the_end; | |
1493 | } | |
1494 | snprintf(line, sizeof(line), "%s/devices", usb_host_device_path); | |
1495 | f = fopen(line, "r"); | |
a594cfbf | 1496 | if (!f) { |
0f431527 AL |
1497 | perror("husb: cannot open devices file"); |
1498 | goto the_end; | |
a594cfbf | 1499 | } |
0f431527 | 1500 | |
a594cfbf | 1501 | device_count = 0; |
3991c35e HG |
1502 | bus_num = addr = class_id = product_id = vendor_id = 0; |
1503 | speed = -1; /* Can't get the speed from /[proc|dev]/bus/usb/devices */ | |
bb36d470 | 1504 | for(;;) { |
2791104c | 1505 | if (fgets(line, sizeof(line), f) == NULL) { |
bb36d470 | 1506 | break; |
2791104c DA |
1507 | } |
1508 | if (strlen(line) > 0) { | |
a594cfbf | 1509 | line[strlen(line) - 1] = '\0'; |
2791104c | 1510 | } |
a594cfbf | 1511 | if (line[0] == 'T' && line[1] == ':') { |
38ca0f6d PB |
1512 | if (device_count && (vendor_id || product_id)) { |
1513 | /* New device. Add the previously discovered device. */ | |
0f5160d1 | 1514 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1515 | product_id, product_name, speed); |
2791104c | 1516 | if (ret) { |
a594cfbf | 1517 | goto the_end; |
2791104c | 1518 | } |
a594cfbf | 1519 | } |
2791104c | 1520 | if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) { |
a594cfbf | 1521 | goto fail; |
2791104c | 1522 | } |
a594cfbf | 1523 | bus_num = atoi(buf); |
2791104c | 1524 | if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) { |
a594cfbf | 1525 | goto fail; |
2791104c | 1526 | } |
a594cfbf | 1527 | addr = atoi(buf); |
2791104c | 1528 | if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) { |
a594cfbf | 1529 | goto fail; |
2791104c | 1530 | } |
f264cfbf HG |
1531 | if (!strcmp(buf, "5000")) { |
1532 | speed = USB_SPEED_SUPER; | |
1533 | } else if (!strcmp(buf, "480")) { | |
a594cfbf | 1534 | speed = USB_SPEED_HIGH; |
2791104c | 1535 | } else if (!strcmp(buf, "1.5")) { |
a594cfbf | 1536 | speed = USB_SPEED_LOW; |
2791104c | 1537 | } else { |
a594cfbf | 1538 | speed = USB_SPEED_FULL; |
2791104c | 1539 | } |
a594cfbf FB |
1540 | product_name[0] = '\0'; |
1541 | class_id = 0xff; | |
1542 | device_count++; | |
1543 | product_id = 0; | |
1544 | vendor_id = 0; | |
1545 | } else if (line[0] == 'P' && line[1] == ':') { | |
2791104c | 1546 | if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) { |
a594cfbf | 1547 | goto fail; |
2791104c | 1548 | } |
a594cfbf | 1549 | vendor_id = strtoul(buf, NULL, 16); |
2791104c | 1550 | if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) { |
a594cfbf | 1551 | goto fail; |
2791104c | 1552 | } |
a594cfbf FB |
1553 | product_id = strtoul(buf, NULL, 16); |
1554 | } else if (line[0] == 'S' && line[1] == ':') { | |
2791104c | 1555 | if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) { |
a594cfbf | 1556 | goto fail; |
2791104c | 1557 | } |
a594cfbf FB |
1558 | pstrcpy(product_name, sizeof(product_name), buf); |
1559 | } else if (line[0] == 'D' && line[1] == ':') { | |
2791104c | 1560 | if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) { |
a594cfbf | 1561 | goto fail; |
2791104c | 1562 | } |
a594cfbf | 1563 | class_id = strtoul(buf, NULL, 16); |
bb36d470 | 1564 | } |
a594cfbf FB |
1565 | fail: ; |
1566 | } | |
38ca0f6d PB |
1567 | if (device_count && (vendor_id || product_id)) { |
1568 | /* Add the last device. */ | |
0f5160d1 | 1569 | ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, |
a594cfbf | 1570 | product_id, product_name, speed); |
bb36d470 | 1571 | } |
a594cfbf | 1572 | the_end: |
2791104c | 1573 | if (f) { |
0f431527 | 1574 | fclose(f); |
2791104c | 1575 | } |
0f431527 AL |
1576 | return ret; |
1577 | } | |
1578 | ||
1579 | /* | |
1580 | * Read sys file-system device file | |
1581 | * | |
1582 | * @line address of buffer to put file contents in | |
1583 | * @line_size size of line | |
1584 | * @device_file path to device file (printf format string) | |
1585 | * @device_name device being opened (inserted into device_file) | |
1586 | * | |
1587 | * @return 0 failed, 1 succeeded ('line' contains data) | |
1588 | */ | |
2791104c DA |
1589 | static int usb_host_read_file(char *line, size_t line_size, |
1590 | const char *device_file, const char *device_name) | |
0f431527 AL |
1591 | { |
1592 | FILE *f; | |
1593 | int ret = 0; | |
1594 | char filename[PATH_MAX]; | |
1595 | ||
b4e237aa BS |
1596 | snprintf(filename, PATH_MAX, USBSYSBUS_PATH "/devices/%s/%s", device_name, |
1597 | device_file); | |
0f431527 AL |
1598 | f = fopen(filename, "r"); |
1599 | if (f) { | |
9f99cee7 | 1600 | ret = fgets(line, line_size, f) != NULL; |
0f431527 | 1601 | fclose(f); |
0f431527 AL |
1602 | } |
1603 | ||
1604 | return ret; | |
1605 | } | |
1606 | ||
1607 | /* | |
1608 | * Use /sys/bus/usb/devices/ directory to determine host's USB | |
1609 | * devices. | |
1610 | * | |
1611 | * This code is based on Robert Schiele's original patches posted to | |
1612 | * the Novell bug-tracker https://bugzilla.novell.com/show_bug.cgi?id=241950 | |
1613 | */ | |
1614 | static int usb_host_scan_sys(void *opaque, USBScanFunc *func) | |
1615 | { | |
660f11be | 1616 | DIR *dir = NULL; |
0f431527 | 1617 | char line[1024]; |
5557d820 | 1618 | int bus_num, addr, speed, class_id, product_id, vendor_id; |
0f431527 | 1619 | int ret = 0; |
5557d820 | 1620 | char port[MAX_PORTLEN]; |
0f431527 AL |
1621 | char product_name[512]; |
1622 | struct dirent *de; | |
1623 | ||
1624 | dir = opendir(USBSYSBUS_PATH "/devices"); | |
1625 | if (!dir) { | |
1626 | perror("husb: cannot open devices directory"); | |
1627 | goto the_end; | |
1628 | } | |
1629 | ||
1630 | while ((de = readdir(dir))) { | |
1631 | if (de->d_name[0] != '.' && !strchr(de->d_name, ':')) { | |
5557d820 GH |
1632 | if (sscanf(de->d_name, "%d-%7[0-9.]", &bus_num, port) < 2) { |
1633 | continue; | |
0f5160d1 | 1634 | } |
0f431527 | 1635 | |
2791104c | 1636 | if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name)) { |
0f431527 | 1637 | goto the_end; |
2791104c DA |
1638 | } |
1639 | if (sscanf(line, "%d", &addr) != 1) { | |
0f431527 | 1640 | goto the_end; |
2791104c | 1641 | } |
b4e237aa | 1642 | if (!usb_host_read_file(line, sizeof(line), "bDeviceClass", |
2791104c | 1643 | de->d_name)) { |
0f431527 | 1644 | goto the_end; |
2791104c DA |
1645 | } |
1646 | if (sscanf(line, "%x", &class_id) != 1) { | |
0f431527 | 1647 | goto the_end; |
2791104c | 1648 | } |
0f431527 | 1649 | |
2791104c DA |
1650 | if (!usb_host_read_file(line, sizeof(line), "idVendor", |
1651 | de->d_name)) { | |
0f431527 | 1652 | goto the_end; |
2791104c DA |
1653 | } |
1654 | if (sscanf(line, "%x", &vendor_id) != 1) { | |
0f431527 | 1655 | goto the_end; |
2791104c | 1656 | } |
b4e237aa | 1657 | if (!usb_host_read_file(line, sizeof(line), "idProduct", |
2791104c | 1658 | de->d_name)) { |
0f431527 | 1659 | goto the_end; |
2791104c DA |
1660 | } |
1661 | if (sscanf(line, "%x", &product_id) != 1) { | |
0f431527 | 1662 | goto the_end; |
2791104c | 1663 | } |
b4e237aa BS |
1664 | if (!usb_host_read_file(line, sizeof(line), "product", |
1665 | de->d_name)) { | |
0f431527 AL |
1666 | *product_name = 0; |
1667 | } else { | |
2791104c | 1668 | if (strlen(line) > 0) { |
0f431527 | 1669 | line[strlen(line) - 1] = '\0'; |
2791104c | 1670 | } |
0f431527 AL |
1671 | pstrcpy(product_name, sizeof(product_name), line); |
1672 | } | |
1673 | ||
2791104c | 1674 | if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) { |
0f431527 | 1675 | goto the_end; |
2791104c | 1676 | } |
f264cfbf HG |
1677 | if (!strcmp(line, "5000\n")) { |
1678 | speed = USB_SPEED_SUPER; | |
1679 | } else if (!strcmp(line, "480\n")) { | |
0f431527 | 1680 | speed = USB_SPEED_HIGH; |
2791104c | 1681 | } else if (!strcmp(line, "1.5\n")) { |
0f431527 | 1682 | speed = USB_SPEED_LOW; |
2791104c | 1683 | } else { |
0f431527 | 1684 | speed = USB_SPEED_FULL; |
2791104c | 1685 | } |
0f431527 | 1686 | |
5557d820 | 1687 | ret = func(opaque, bus_num, addr, port, class_id, vendor_id, |
0f431527 | 1688 | product_id, product_name, speed); |
2791104c | 1689 | if (ret) { |
0f431527 | 1690 | goto the_end; |
2791104c | 1691 | } |
0f431527 AL |
1692 | } |
1693 | } | |
1694 | the_end: | |
2791104c | 1695 | if (dir) { |
0f431527 | 1696 | closedir(dir); |
2791104c | 1697 | } |
0f431527 AL |
1698 | return ret; |
1699 | } | |
1700 | ||
1701 | /* | |
1702 | * Determine how to access the host's USB devices and call the | |
1703 | * specific support function. | |
1704 | */ | |
1705 | static int usb_host_scan(void *opaque, USBScanFunc *func) | |
1706 | { | |
376253ec | 1707 | Monitor *mon = cur_mon; |
660f11be BS |
1708 | FILE *f = NULL; |
1709 | DIR *dir = NULL; | |
0f431527 | 1710 | int ret = 0; |
0f431527 AL |
1711 | const char *fs_type[] = {"unknown", "proc", "dev", "sys"}; |
1712 | char devpath[PATH_MAX]; | |
1713 | ||
1714 | /* only check the host once */ | |
1715 | if (!usb_fs_type) { | |
55496240 MM |
1716 | dir = opendir(USBSYSBUS_PATH "/devices"); |
1717 | if (dir) { | |
1718 | /* devices found in /dev/bus/usb/ (yes - not a mistake!) */ | |
1719 | strcpy(devpath, USBDEVBUS_PATH); | |
1720 | usb_fs_type = USB_FS_SYS; | |
1721 | closedir(dir); | |
d0f2c4c6 | 1722 | DPRINTF(USBDBG_DEVOPENED, USBSYSBUS_PATH); |
55496240 MM |
1723 | goto found_devices; |
1724 | } | |
0f431527 AL |
1725 | f = fopen(USBPROCBUS_PATH "/devices", "r"); |
1726 | if (f) { | |
1727 | /* devices found in /proc/bus/usb/ */ | |
1728 | strcpy(devpath, USBPROCBUS_PATH); | |
1729 | usb_fs_type = USB_FS_PROC; | |
1730 | fclose(f); | |
d0f2c4c6 | 1731 | DPRINTF(USBDBG_DEVOPENED, USBPROCBUS_PATH); |
f16a0db3 | 1732 | goto found_devices; |
0f431527 AL |
1733 | } |
1734 | /* try additional methods if an access method hasn't been found yet */ | |
1735 | f = fopen(USBDEVBUS_PATH "/devices", "r"); | |
f16a0db3 | 1736 | if (f) { |
0f431527 AL |
1737 | /* devices found in /dev/bus/usb/ */ |
1738 | strcpy(devpath, USBDEVBUS_PATH); | |
1739 | usb_fs_type = USB_FS_DEV; | |
1740 | fclose(f); | |
d0f2c4c6 | 1741 | DPRINTF(USBDBG_DEVOPENED, USBDEVBUS_PATH); |
f16a0db3 | 1742 | goto found_devices; |
0f431527 | 1743 | } |
f16a0db3 | 1744 | found_devices: |
22babebb | 1745 | if (!usb_fs_type) { |
2791104c | 1746 | if (mon) { |
eba6fe87 | 1747 | monitor_printf(mon, "husb: unable to access USB devices\n"); |
2791104c | 1748 | } |
f16a0db3 | 1749 | return -ENOENT; |
0f431527 AL |
1750 | } |
1751 | ||
1752 | /* the module setting (used later for opening devices) */ | |
7267c094 | 1753 | usb_host_device_path = g_malloc0(strlen(devpath)+1); |
1eec614b | 1754 | strcpy(usb_host_device_path, devpath); |
2791104c | 1755 | if (mon) { |
eba6fe87 GH |
1756 | monitor_printf(mon, "husb: using %s file-system with %s\n", |
1757 | fs_type[usb_fs_type], usb_host_device_path); | |
2791104c | 1758 | } |
0f431527 AL |
1759 | } |
1760 | ||
1761 | switch (usb_fs_type) { | |
1762 | case USB_FS_PROC: | |
1763 | case USB_FS_DEV: | |
1764 | ret = usb_host_scan_dev(opaque, func); | |
1765 | break; | |
1766 | case USB_FS_SYS: | |
1767 | ret = usb_host_scan_sys(opaque, func); | |
1768 | break; | |
f16a0db3 AL |
1769 | default: |
1770 | ret = -EINVAL; | |
1771 | break; | |
0f431527 | 1772 | } |
a594cfbf | 1773 | return ret; |
bb36d470 FB |
1774 | } |
1775 | ||
4b096fc9 | 1776 | static QEMUTimer *usb_auto_timer; |
4b096fc9 | 1777 | |
ba9acab9 GH |
1778 | static int usb_host_auto_scan(void *opaque, int bus_num, |
1779 | int addr, const char *port, | |
26a9e82a GH |
1780 | int class_id, int vendor_id, int product_id, |
1781 | const char *product_name, int speed) | |
4b096fc9 AL |
1782 | { |
1783 | struct USBAutoFilter *f; | |
26a9e82a | 1784 | struct USBHostDevice *s; |
4b096fc9 AL |
1785 | |
1786 | /* Ignore hubs */ | |
1787 | if (class_id == 9) | |
1788 | return 0; | |
1789 | ||
26a9e82a GH |
1790 | QTAILQ_FOREACH(s, &hostdevs, next) { |
1791 | f = &s->match; | |
1792 | ||
2791104c | 1793 | if (f->bus_num > 0 && f->bus_num != bus_num) { |
4b096fc9 | 1794 | continue; |
2791104c DA |
1795 | } |
1796 | if (f->addr > 0 && f->addr != addr) { | |
4b096fc9 | 1797 | continue; |
2791104c | 1798 | } |
9056a297 GH |
1799 | if (f->port != NULL && (port == NULL || strcmp(f->port, port) != 0)) { |
1800 | continue; | |
1801 | } | |
4b096fc9 | 1802 | |
2791104c | 1803 | if (f->vendor_id > 0 && f->vendor_id != vendor_id) { |
4b096fc9 | 1804 | continue; |
2791104c | 1805 | } |
4b096fc9 | 1806 | |
2791104c | 1807 | if (f->product_id > 0 && f->product_id != product_id) { |
4b096fc9 | 1808 | continue; |
2791104c | 1809 | } |
4b096fc9 | 1810 | /* We got a match */ |
3ee886c5 GH |
1811 | s->seen++; |
1812 | if (s->errcount >= 3) { | |
1813 | return 0; | |
1814 | } | |
4b096fc9 | 1815 | |
33e66b86 | 1816 | /* Already attached ? */ |
2791104c | 1817 | if (s->fd != -1) { |
4b096fc9 | 1818 | return 0; |
2791104c | 1819 | } |
d0f2c4c6 | 1820 | DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr); |
4b096fc9 | 1821 | |
3ee886c5 GH |
1822 | if (usb_host_open(s, bus_num, addr, port, product_name, speed) < 0) { |
1823 | s->errcount++; | |
1824 | } | |
97f86166 | 1825 | break; |
4b096fc9 AL |
1826 | } |
1827 | ||
1828 | return 0; | |
1829 | } | |
1830 | ||
26a9e82a | 1831 | static void usb_host_auto_check(void *unused) |
4b096fc9 | 1832 | { |
26a9e82a GH |
1833 | struct USBHostDevice *s; |
1834 | int unconnected = 0; | |
1835 | ||
4b096fc9 | 1836 | usb_host_scan(NULL, usb_host_auto_scan); |
26a9e82a GH |
1837 | |
1838 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
2791104c | 1839 | if (s->fd == -1) { |
26a9e82a | 1840 | unconnected++; |
2791104c | 1841 | } |
3ee886c5 GH |
1842 | if (s->seen == 0) { |
1843 | s->errcount = 0; | |
1844 | } | |
1845 | s->seen = 0; | |
26a9e82a GH |
1846 | } |
1847 | ||
1848 | if (unconnected == 0) { | |
1849 | /* nothing to watch */ | |
2791104c | 1850 | if (usb_auto_timer) { |
26a9e82a | 1851 | qemu_del_timer(usb_auto_timer); |
e6a2f500 | 1852 | trace_usb_host_auto_scan_disabled(); |
2791104c | 1853 | } |
26a9e82a GH |
1854 | return; |
1855 | } | |
1856 | ||
1857 | if (!usb_auto_timer) { | |
7bd427d8 | 1858 | usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL); |
2791104c | 1859 | if (!usb_auto_timer) { |
26a9e82a | 1860 | return; |
2791104c | 1861 | } |
e6a2f500 | 1862 | trace_usb_host_auto_scan_enabled(); |
26a9e82a | 1863 | } |
7bd427d8 | 1864 | qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000); |
4b096fc9 AL |
1865 | } |
1866 | ||
1867 | /* | |
5d0c5750 AL |
1868 | * Autoconnect filter |
1869 | * Format: | |
1870 | * auto:bus:dev[:vid:pid] | |
1871 | * auto:bus.dev[:vid:pid] | |
1872 | * | |
1873 | * bus - bus number (dec, * means any) | |
1874 | * dev - device number (dec, * means any) | |
1875 | * vid - vendor id (hex, * means any) | |
1876 | * pid - product id (hex, * means any) | |
1877 | * | |
1878 | * See 'lsusb' output. | |
4b096fc9 | 1879 | */ |
5d0c5750 | 1880 | static int parse_filter(const char *spec, struct USBAutoFilter *f) |
4b096fc9 | 1881 | { |
5d0c5750 AL |
1882 | enum { BUS, DEV, VID, PID, DONE }; |
1883 | const char *p = spec; | |
1884 | int i; | |
1885 | ||
0745eb1e MA |
1886 | f->bus_num = 0; |
1887 | f->addr = 0; | |
1888 | f->vendor_id = 0; | |
1889 | f->product_id = 0; | |
5d0c5750 AL |
1890 | |
1891 | for (i = BUS; i < DONE; i++) { | |
2791104c DA |
1892 | p = strpbrk(p, ":."); |
1893 | if (!p) { | |
1894 | break; | |
1895 | } | |
5d0c5750 | 1896 | p++; |
5d0c5750 | 1897 | |
2791104c DA |
1898 | if (*p == '*') { |
1899 | continue; | |
1900 | } | |
5d0c5750 AL |
1901 | switch(i) { |
1902 | case BUS: f->bus_num = strtol(p, NULL, 10); break; | |
1903 | case DEV: f->addr = strtol(p, NULL, 10); break; | |
1904 | case VID: f->vendor_id = strtol(p, NULL, 16); break; | |
1905 | case PID: f->product_id = strtol(p, NULL, 16); break; | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | if (i < DEV) { | |
1910 | fprintf(stderr, "husb: invalid auto filter spec %s\n", spec); | |
1911 | return -1; | |
1912 | } | |
1913 | ||
1914 | return 0; | |
1915 | } | |
1916 | ||
a594cfbf FB |
1917 | /**********************/ |
1918 | /* USB host device info */ | |
1919 | ||
1920 | struct usb_class_info { | |
1921 | int class; | |
1922 | const char *class_name; | |
1923 | }; | |
1924 | ||
1925 | static const struct usb_class_info usb_class_info[] = { | |
1926 | { USB_CLASS_AUDIO, "Audio"}, | |
1927 | { USB_CLASS_COMM, "Communication"}, | |
1928 | { USB_CLASS_HID, "HID"}, | |
1929 | { USB_CLASS_HUB, "Hub" }, | |
1930 | { USB_CLASS_PHYSICAL, "Physical" }, | |
1931 | { USB_CLASS_PRINTER, "Printer" }, | |
1932 | { USB_CLASS_MASS_STORAGE, "Storage" }, | |
1933 | { USB_CLASS_CDC_DATA, "Data" }, | |
1934 | { USB_CLASS_APP_SPEC, "Application Specific" }, | |
1935 | { USB_CLASS_VENDOR_SPEC, "Vendor Specific" }, | |
1936 | { USB_CLASS_STILL_IMAGE, "Still Image" }, | |
b9dc033c | 1937 | { USB_CLASS_CSCID, "Smart Card" }, |
a594cfbf FB |
1938 | { USB_CLASS_CONTENT_SEC, "Content Security" }, |
1939 | { -1, NULL } | |
1940 | }; | |
1941 | ||
1942 | static const char *usb_class_str(uint8_t class) | |
bb36d470 | 1943 | { |
a594cfbf FB |
1944 | const struct usb_class_info *p; |
1945 | for(p = usb_class_info; p->class != -1; p++) { | |
2791104c | 1946 | if (p->class == class) { |
a594cfbf | 1947 | break; |
2791104c | 1948 | } |
bb36d470 | 1949 | } |
a594cfbf FB |
1950 | return p->class_name; |
1951 | } | |
1952 | ||
ba9acab9 GH |
1953 | static void usb_info_device(Monitor *mon, int bus_num, |
1954 | int addr, const char *port, | |
5557d820 | 1955 | int class_id, int vendor_id, int product_id, |
9596ebb7 PB |
1956 | const char *product_name, |
1957 | int speed) | |
a594cfbf FB |
1958 | { |
1959 | const char *class_str, *speed_str; | |
1960 | ||
1961 | switch(speed) { | |
5fafdf24 TS |
1962 | case USB_SPEED_LOW: |
1963 | speed_str = "1.5"; | |
a594cfbf | 1964 | break; |
5fafdf24 TS |
1965 | case USB_SPEED_FULL: |
1966 | speed_str = "12"; | |
a594cfbf | 1967 | break; |
5fafdf24 TS |
1968 | case USB_SPEED_HIGH: |
1969 | speed_str = "480"; | |
a594cfbf | 1970 | break; |
f264cfbf HG |
1971 | case USB_SPEED_SUPER: |
1972 | speed_str = "5000"; | |
1973 | break; | |
a594cfbf | 1974 | default: |
5fafdf24 | 1975 | speed_str = "?"; |
a594cfbf FB |
1976 | break; |
1977 | } | |
1978 | ||
5557d820 GH |
1979 | monitor_printf(mon, " Bus %d, Addr %d, Port %s, Speed %s Mb/s\n", |
1980 | bus_num, addr, port, speed_str); | |
a594cfbf | 1981 | class_str = usb_class_str(class_id); |
2791104c | 1982 | if (class_str) { |
376253ec | 1983 | monitor_printf(mon, " %s:", class_str); |
2791104c | 1984 | } else { |
376253ec | 1985 | monitor_printf(mon, " Class %02x:", class_id); |
2791104c | 1986 | } |
376253ec | 1987 | monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id); |
2791104c | 1988 | if (product_name[0] != '\0') { |
376253ec | 1989 | monitor_printf(mon, ", %s", product_name); |
2791104c | 1990 | } |
376253ec | 1991 | monitor_printf(mon, "\n"); |
a594cfbf FB |
1992 | } |
1993 | ||
5fafdf24 | 1994 | static int usb_host_info_device(void *opaque, int bus_num, int addr, |
ba9acab9 | 1995 | const char *path, int class_id, |
5fafdf24 | 1996 | int vendor_id, int product_id, |
a594cfbf FB |
1997 | const char *product_name, |
1998 | int speed) | |
1999 | { | |
179da8af BS |
2000 | Monitor *mon = opaque; |
2001 | ||
5557d820 | 2002 | usb_info_device(mon, bus_num, addr, path, class_id, vendor_id, product_id, |
a594cfbf FB |
2003 | product_name, speed); |
2004 | return 0; | |
2005 | } | |
2006 | ||
ac4ffb5a | 2007 | static void dec2str(int val, char *str, size_t size) |
5d0c5750 | 2008 | { |
2791104c | 2009 | if (val == 0) { |
ac4ffb5a | 2010 | snprintf(str, size, "*"); |
2791104c DA |
2011 | } else { |
2012 | snprintf(str, size, "%d", val); | |
2013 | } | |
5d0c5750 AL |
2014 | } |
2015 | ||
ac4ffb5a | 2016 | static void hex2str(int val, char *str, size_t size) |
5d0c5750 | 2017 | { |
2791104c | 2018 | if (val == 0) { |
ac4ffb5a | 2019 | snprintf(str, size, "*"); |
2791104c | 2020 | } else { |
26a9e82a | 2021 | snprintf(str, size, "%04x", val); |
2791104c | 2022 | } |
5d0c5750 AL |
2023 | } |
2024 | ||
376253ec | 2025 | void usb_host_info(Monitor *mon) |
a594cfbf | 2026 | { |
5d0c5750 | 2027 | struct USBAutoFilter *f; |
26a9e82a | 2028 | struct USBHostDevice *s; |
5d0c5750 | 2029 | |
179da8af | 2030 | usb_host_scan(mon, usb_host_info_device); |
5d0c5750 | 2031 | |
2791104c | 2032 | if (QTAILQ_EMPTY(&hostdevs)) { |
26a9e82a | 2033 | return; |
2791104c DA |
2034 | } |
2035 | ||
26a9e82a GH |
2036 | monitor_printf(mon, " Auto filters:\n"); |
2037 | QTAILQ_FOREACH(s, &hostdevs, next) { | |
5d0c5750 | 2038 | char bus[10], addr[10], vid[10], pid[10]; |
26a9e82a | 2039 | f = &s->match; |
ac4ffb5a AL |
2040 | dec2str(f->bus_num, bus, sizeof(bus)); |
2041 | dec2str(f->addr, addr, sizeof(addr)); | |
2042 | hex2str(f->vendor_id, vid, sizeof(vid)); | |
2043 | hex2str(f->product_id, pid, sizeof(pid)); | |
9056a297 GH |
2044 | monitor_printf(mon, " Bus %s, Addr %s, Port %s, ID %s:%s\n", |
2045 | bus, addr, f->port ? f->port : "*", vid, pid); | |
5d0c5750 | 2046 | } |
bb36d470 | 2047 | } |