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Commit | Line | Data |
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69354a83 HG |
1 | /* |
2 | * USB redirector usb-guest | |
3 | * | |
cb897117 | 4 | * Copyright (c) 2011-2012 Red Hat, Inc. |
69354a83 HG |
5 | * |
6 | * Red Hat Authors: | |
7 | * Hans de Goede <hdegoede@redhat.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
22 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
25 | * THE SOFTWARE. | |
26 | */ | |
27 | ||
e532b2e0 | 28 | #include "qemu/osdep.h" |
246e195b | 29 | #include "qemu/units.h" |
da34e65c | 30 | #include "qapi/error.h" |
69354a83 | 31 | #include "qemu-common.h" |
1de7afc9 | 32 | #include "qemu/timer.h" |
9c17d615 | 33 | #include "sysemu/sysemu.h" |
cc7a8ea7 | 34 | #include "qapi/qmp/qerror.h" |
d49b6836 | 35 | #include "qemu/error-report.h" |
1de7afc9 | 36 | #include "qemu/iov.h" |
4d43a603 | 37 | #include "chardev/char-fe.h" |
69354a83 | 38 | |
69354a83 | 39 | #include <usbredirparser.h> |
6af16589 | 40 | #include <usbredirfilter.h> |
69354a83 HG |
41 | |
42 | #include "hw/usb.h" | |
43 | ||
0ab6d12f SW |
44 | /* ERROR is defined below. Remove any previous definition. */ |
45 | #undef ERROR | |
46 | ||
69354a83 | 47 | #define MAX_ENDPOINTS 32 |
1510168e | 48 | #define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */ |
69354a83 HG |
49 | #define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f)) |
50 | #define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f)) | |
7e9638d3 HG |
51 | #define USBEP2I(usb_ep) (((usb_ep)->pid == USB_TOKEN_IN) ? \ |
52 | ((usb_ep)->nr | 0x10) : ((usb_ep)->nr)) | |
53 | #define I2USBEP(d, i) (usb_ep_get(&(d)->dev, \ | |
54 | ((i) & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, \ | |
55 | (i) & 0x0f)) | |
69354a83 | 56 | |
19e83931 HG |
57 | #ifndef USBREDIR_VERSION /* This is not defined in older usbredir versions */ |
58 | #define USBREDIR_VERSION 0 | |
59 | #endif | |
60 | ||
69354a83 HG |
61 | typedef struct USBRedirDevice USBRedirDevice; |
62 | ||
b2d1fe67 | 63 | /* Struct to hold buffered packets */ |
69354a83 HG |
64 | struct buf_packet { |
65 | uint8_t *data; | |
b2d1fe67 HG |
66 | void *free_on_destroy; |
67 | uint16_t len; | |
68 | uint16_t offset; | |
69 | uint8_t status; | |
69354a83 HG |
70 | QTAILQ_ENTRY(buf_packet)next; |
71 | }; | |
72 | ||
73 | struct endp_data { | |
e97f0aca | 74 | USBRedirDevice *dev; |
69354a83 HG |
75 | uint8_t type; |
76 | uint8_t interval; | |
77 | uint8_t interface; /* bInterfaceNumber this ep belongs to */ | |
3f4be328 | 78 | uint16_t max_packet_size; /* In bytes, not wMaxPacketSize format !! */ |
19e83931 | 79 | uint32_t max_streams; |
69354a83 HG |
80 | uint8_t iso_started; |
81 | uint8_t iso_error; /* For reporting iso errors to the HC */ | |
82 | uint8_t interrupt_started; | |
83 | uint8_t interrupt_error; | |
b2d1fe67 HG |
84 | uint8_t bulk_receiving_enabled; |
85 | uint8_t bulk_receiving_started; | |
e1537884 | 86 | uint8_t bufpq_prefilled; |
81fd7b74 | 87 | uint8_t bufpq_dropping_packets; |
69354a83 | 88 | QTAILQ_HEAD(, buf_packet) bufpq; |
fc3f6e1b HG |
89 | int32_t bufpq_size; |
90 | int32_t bufpq_target_size; | |
b2d1fe67 | 91 | USBPacket *pending_async_packet; |
69354a83 HG |
92 | }; |
93 | ||
8e60452a HG |
94 | struct PacketIdQueueEntry { |
95 | uint64_t id; | |
96 | QTAILQ_ENTRY(PacketIdQueueEntry)next; | |
97 | }; | |
98 | ||
99 | struct PacketIdQueue { | |
100 | USBRedirDevice *dev; | |
101 | const char *name; | |
102 | QTAILQ_HEAD(, PacketIdQueueEntry) head; | |
103 | int size; | |
104 | }; | |
105 | ||
69354a83 HG |
106 | struct USBRedirDevice { |
107 | USBDevice dev; | |
108 | /* Properties */ | |
becdfa00 | 109 | CharBackend cs; |
c7ac1ab0 | 110 | bool enable_streams; |
69354a83 | 111 | uint8_t debug; |
65bb3a5c | 112 | int32_t bootindex; |
c7ac1ab0 | 113 | char *filter_str; |
69354a83 HG |
114 | /* Data passed from chardev the fd_read cb to the usbredirparser read cb */ |
115 | const uint8_t *read_buf; | |
116 | int read_buf_size; | |
c874ea97 HG |
117 | /* Active chardev-watch-tag */ |
118 | guint watch; | |
19e83931 | 119 | /* For async handling of close / reject */ |
ed9873bf | 120 | QEMUBH *chardev_close_bh; |
19e83931 | 121 | QEMUBH *device_reject_bh; |
69354a83 HG |
122 | /* To delay the usb attach in case of quick chardev close + open */ |
123 | QEMUTimer *attach_timer; | |
124 | int64_t next_attach_time; | |
125 | struct usbredirparser *parser; | |
126 | struct endp_data endpoint[MAX_ENDPOINTS]; | |
8e60452a | 127 | struct PacketIdQueue cancelled; |
9a8d4067 | 128 | struct PacketIdQueue already_in_flight; |
b2d1fe67 | 129 | void (*buffered_bulk_in_complete)(USBRedirDevice *, USBPacket *, uint8_t); |
6af16589 HG |
130 | /* Data for device filtering */ |
131 | struct usb_redir_device_connect_header device_info; | |
132 | struct usb_redir_interface_info_header interface_info; | |
133 | struct usbredirfilter_rule *filter_rules; | |
134 | int filter_rules_count; | |
cdfd3530 | 135 | int compatible_speedmask; |
07b026fd | 136 | VMChangeStateEntry *vmstate; |
69354a83 HG |
137 | }; |
138 | ||
d371cbc7 GA |
139 | #define TYPE_USB_REDIR "usb-redir" |
140 | #define USB_REDIRECT(obj) OBJECT_CHECK(USBRedirDevice, (obj), TYPE_USB_REDIR) | |
141 | ||
097a66ef | 142 | static void usbredir_hello(void *priv, struct usb_redir_hello_header *h); |
69354a83 HG |
143 | static void usbredir_device_connect(void *priv, |
144 | struct usb_redir_device_connect_header *device_connect); | |
145 | static void usbredir_device_disconnect(void *priv); | |
146 | static void usbredir_interface_info(void *priv, | |
147 | struct usb_redir_interface_info_header *interface_info); | |
148 | static void usbredir_ep_info(void *priv, | |
149 | struct usb_redir_ep_info_header *ep_info); | |
be4a8928 | 150 | static void usbredir_configuration_status(void *priv, uint64_t id, |
69354a83 | 151 | struct usb_redir_configuration_status_header *configuration_status); |
be4a8928 | 152 | static void usbredir_alt_setting_status(void *priv, uint64_t id, |
69354a83 | 153 | struct usb_redir_alt_setting_status_header *alt_setting_status); |
be4a8928 | 154 | static void usbredir_iso_stream_status(void *priv, uint64_t id, |
69354a83 | 155 | struct usb_redir_iso_stream_status_header *iso_stream_status); |
be4a8928 | 156 | static void usbredir_interrupt_receiving_status(void *priv, uint64_t id, |
69354a83 HG |
157 | struct usb_redir_interrupt_receiving_status_header |
158 | *interrupt_receiving_status); | |
be4a8928 | 159 | static void usbredir_bulk_streams_status(void *priv, uint64_t id, |
69354a83 | 160 | struct usb_redir_bulk_streams_status_header *bulk_streams_status); |
b2d1fe67 HG |
161 | static void usbredir_bulk_receiving_status(void *priv, uint64_t id, |
162 | struct usb_redir_bulk_receiving_status_header *bulk_receiving_status); | |
be4a8928 | 163 | static void usbredir_control_packet(void *priv, uint64_t id, |
69354a83 HG |
164 | struct usb_redir_control_packet_header *control_packet, |
165 | uint8_t *data, int data_len); | |
be4a8928 | 166 | static void usbredir_bulk_packet(void *priv, uint64_t id, |
69354a83 HG |
167 | struct usb_redir_bulk_packet_header *bulk_packet, |
168 | uint8_t *data, int data_len); | |
be4a8928 | 169 | static void usbredir_iso_packet(void *priv, uint64_t id, |
69354a83 HG |
170 | struct usb_redir_iso_packet_header *iso_packet, |
171 | uint8_t *data, int data_len); | |
be4a8928 | 172 | static void usbredir_interrupt_packet(void *priv, uint64_t id, |
69354a83 HG |
173 | struct usb_redir_interrupt_packet_header *interrupt_header, |
174 | uint8_t *data, int data_len); | |
b2d1fe67 HG |
175 | static void usbredir_buffered_bulk_packet(void *priv, uint64_t id, |
176 | struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet, | |
177 | uint8_t *data, int data_len); | |
69354a83 | 178 | |
9a77a0f5 HG |
179 | static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p, |
180 | int status); | |
69354a83 | 181 | |
35efba2c HG |
182 | #define VERSION "qemu usb-redir guest " QEMU_VERSION |
183 | ||
69354a83 HG |
184 | /* |
185 | * Logging stuff | |
186 | */ | |
187 | ||
188 | #define ERROR(...) \ | |
189 | do { \ | |
190 | if (dev->debug >= usbredirparser_error) { \ | |
191 | error_report("usb-redir error: " __VA_ARGS__); \ | |
192 | } \ | |
193 | } while (0) | |
194 | #define WARNING(...) \ | |
195 | do { \ | |
196 | if (dev->debug >= usbredirparser_warning) { \ | |
3dc6f869 | 197 | warn_report("" __VA_ARGS__); \ |
69354a83 HG |
198 | } \ |
199 | } while (0) | |
200 | #define INFO(...) \ | |
201 | do { \ | |
202 | if (dev->debug >= usbredirparser_info) { \ | |
203 | error_report("usb-redir: " __VA_ARGS__); \ | |
204 | } \ | |
205 | } while (0) | |
206 | #define DPRINTF(...) \ | |
207 | do { \ | |
208 | if (dev->debug >= usbredirparser_debug) { \ | |
209 | error_report("usb-redir: " __VA_ARGS__); \ | |
210 | } \ | |
211 | } while (0) | |
212 | #define DPRINTF2(...) \ | |
213 | do { \ | |
214 | if (dev->debug >= usbredirparser_debug_data) { \ | |
215 | error_report("usb-redir: " __VA_ARGS__); \ | |
216 | } \ | |
217 | } while (0) | |
218 | ||
219 | static void usbredir_log(void *priv, int level, const char *msg) | |
220 | { | |
221 | USBRedirDevice *dev = priv; | |
222 | ||
223 | if (dev->debug < level) { | |
224 | return; | |
225 | } | |
226 | ||
be62a2eb | 227 | error_report("%s", msg); |
69354a83 HG |
228 | } |
229 | ||
230 | static void usbredir_log_data(USBRedirDevice *dev, const char *desc, | |
231 | const uint8_t *data, int len) | |
232 | { | |
69354a83 HG |
233 | if (dev->debug < usbredirparser_debug_data) { |
234 | return; | |
235 | } | |
bd4a6835 | 236 | qemu_hexdump((char *)data, stderr, desc, len); |
69354a83 HG |
237 | } |
238 | ||
239 | /* | |
240 | * usbredirparser io functions | |
241 | */ | |
242 | ||
243 | static int usbredir_read(void *priv, uint8_t *data, int count) | |
244 | { | |
245 | USBRedirDevice *dev = priv; | |
246 | ||
247 | if (dev->read_buf_size < count) { | |
248 | count = dev->read_buf_size; | |
249 | } | |
250 | ||
251 | memcpy(data, dev->read_buf, count); | |
252 | ||
253 | dev->read_buf_size -= count; | |
254 | if (dev->read_buf_size) { | |
255 | dev->read_buf += count; | |
256 | } else { | |
257 | dev->read_buf = NULL; | |
258 | } | |
259 | ||
260 | return count; | |
261 | } | |
262 | ||
c874ea97 HG |
263 | static gboolean usbredir_write_unblocked(GIOChannel *chan, GIOCondition cond, |
264 | void *opaque) | |
265 | { | |
266 | USBRedirDevice *dev = opaque; | |
267 | ||
268 | dev->watch = 0; | |
269 | usbredirparser_do_write(dev->parser); | |
270 | ||
271 | return FALSE; | |
272 | } | |
273 | ||
69354a83 HG |
274 | static int usbredir_write(void *priv, uint8_t *data, int count) |
275 | { | |
276 | USBRedirDevice *dev = priv; | |
c874ea97 | 277 | int r; |
69354a83 | 278 | |
30650701 | 279 | if (!qemu_chr_fe_backend_open(&dev->cs)) { |
c1b71a1d HG |
280 | return 0; |
281 | } | |
282 | ||
fc3f6e1b HG |
283 | /* Don't send new data to the chardev until our state is fully synced */ |
284 | if (!runstate_check(RUN_STATE_RUNNING)) { | |
285 | return 0; | |
286 | } | |
287 | ||
5345fdb4 | 288 | r = qemu_chr_fe_write(&dev->cs, data, count); |
c874ea97 HG |
289 | if (r < count) { |
290 | if (!dev->watch) { | |
5345fdb4 | 291 | dev->watch = qemu_chr_fe_add_watch(&dev->cs, G_IO_OUT | G_IO_HUP, |
c874ea97 HG |
292 | usbredir_write_unblocked, dev); |
293 | } | |
294 | if (r < 0) { | |
295 | r = 0; | |
296 | } | |
297 | } | |
298 | return r; | |
69354a83 HG |
299 | } |
300 | ||
301 | /* | |
de550a6a | 302 | * Cancelled and buffered packets helpers |
69354a83 HG |
303 | */ |
304 | ||
8e60452a HG |
305 | static void packet_id_queue_init(struct PacketIdQueue *q, |
306 | USBRedirDevice *dev, const char *name) | |
69354a83 | 307 | { |
8e60452a HG |
308 | q->dev = dev; |
309 | q->name = name; | |
310 | QTAILQ_INIT(&q->head); | |
311 | q->size = 0; | |
312 | } | |
313 | ||
314 | static void packet_id_queue_add(struct PacketIdQueue *q, uint64_t id) | |
315 | { | |
316 | USBRedirDevice *dev = q->dev; | |
317 | struct PacketIdQueueEntry *e; | |
69354a83 | 318 | |
8e60452a HG |
319 | DPRINTF("adding packet id %"PRIu64" to %s queue\n", id, q->name); |
320 | ||
98f34339 | 321 | e = g_new0(struct PacketIdQueueEntry, 1); |
8e60452a HG |
322 | e->id = id; |
323 | QTAILQ_INSERT_TAIL(&q->head, e, next); | |
324 | q->size++; | |
325 | } | |
69354a83 | 326 | |
8e60452a HG |
327 | static int packet_id_queue_remove(struct PacketIdQueue *q, uint64_t id) |
328 | { | |
329 | USBRedirDevice *dev = q->dev; | |
330 | struct PacketIdQueueEntry *e; | |
de550a6a | 331 | |
8e60452a HG |
332 | QTAILQ_FOREACH(e, &q->head, next) { |
333 | if (e->id == id) { | |
334 | DPRINTF("removing packet id %"PRIu64" from %s queue\n", | |
335 | id, q->name); | |
336 | QTAILQ_REMOVE(&q->head, e, next); | |
337 | q->size--; | |
338 | g_free(e); | |
339 | return 1; | |
340 | } | |
341 | } | |
342 | return 0; | |
343 | } | |
344 | ||
345 | static void packet_id_queue_empty(struct PacketIdQueue *q) | |
346 | { | |
347 | USBRedirDevice *dev = q->dev; | |
348 | struct PacketIdQueueEntry *e, *next_e; | |
349 | ||
350 | DPRINTF("removing %d packet-ids from %s queue\n", q->size, q->name); | |
351 | ||
352 | QTAILQ_FOREACH_SAFE(e, &q->head, next, next_e) { | |
353 | QTAILQ_REMOVE(&q->head, e, next); | |
354 | g_free(e); | |
355 | } | |
356 | q->size = 0; | |
357 | } | |
358 | ||
359 | static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p) | |
360 | { | |
d371cbc7 | 361 | USBRedirDevice *dev = USB_REDIRECT(udev); |
b2d1fe67 | 362 | int i = USBEP2I(p->ep); |
8e60452a | 363 | |
1b36c4d8 HG |
364 | if (p->combined) { |
365 | usb_combined_packet_cancel(udev, p); | |
366 | return; | |
367 | } | |
368 | ||
b2d1fe67 HG |
369 | if (dev->endpoint[i].pending_async_packet) { |
370 | assert(dev->endpoint[i].pending_async_packet == p); | |
371 | dev->endpoint[i].pending_async_packet = NULL; | |
372 | return; | |
373 | } | |
374 | ||
8e60452a | 375 | packet_id_queue_add(&dev->cancelled, p->id); |
de550a6a HG |
376 | usbredirparser_send_cancel_data_packet(dev->parser, p->id); |
377 | usbredirparser_do_write(dev->parser); | |
69354a83 HG |
378 | } |
379 | ||
de550a6a | 380 | static int usbredir_is_cancelled(USBRedirDevice *dev, uint64_t id) |
69354a83 | 381 | { |
de550a6a HG |
382 | if (!dev->dev.attached) { |
383 | return 1; /* Treat everything as cancelled after a disconnect */ | |
384 | } | |
8e60452a | 385 | return packet_id_queue_remove(&dev->cancelled, id); |
69354a83 HG |
386 | } |
387 | ||
9a8d4067 HG |
388 | static void usbredir_fill_already_in_flight_from_ep(USBRedirDevice *dev, |
389 | struct USBEndpoint *ep) | |
390 | { | |
391 | static USBPacket *p; | |
392 | ||
b2d1fe67 HG |
393 | /* async handled packets for bulk receiving eps do not count as inflight */ |
394 | if (dev->endpoint[USBEP2I(ep)].bulk_receiving_started) { | |
395 | return; | |
396 | } | |
397 | ||
9a8d4067 | 398 | QTAILQ_FOREACH(p, &ep->queue, queue) { |
1b36c4d8 HG |
399 | /* Skip combined packets, except for the first */ |
400 | if (p->combined && p != p->combined->first) { | |
401 | continue; | |
402 | } | |
2cb343b4 HG |
403 | if (p->state == USB_PACKET_ASYNC) { |
404 | packet_id_queue_add(&dev->already_in_flight, p->id); | |
405 | } | |
9a8d4067 HG |
406 | } |
407 | } | |
408 | ||
409 | static void usbredir_fill_already_in_flight(USBRedirDevice *dev) | |
410 | { | |
411 | int ep; | |
412 | struct USBDevice *udev = &dev->dev; | |
413 | ||
414 | usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_ctl); | |
415 | ||
416 | for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { | |
417 | usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_in[ep]); | |
418 | usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_out[ep]); | |
419 | } | |
420 | } | |
421 | ||
422 | static int usbredir_already_in_flight(USBRedirDevice *dev, uint64_t id) | |
423 | { | |
424 | return packet_id_queue_remove(&dev->already_in_flight, id); | |
425 | } | |
426 | ||
de550a6a HG |
427 | static USBPacket *usbredir_find_packet_by_id(USBRedirDevice *dev, |
428 | uint8_t ep, uint64_t id) | |
69354a83 | 429 | { |
de550a6a | 430 | USBPacket *p; |
69354a83 | 431 | |
de550a6a HG |
432 | if (usbredir_is_cancelled(dev, id)) { |
433 | return NULL; | |
434 | } | |
69354a83 | 435 | |
de550a6a HG |
436 | p = usb_ep_find_packet_by_id(&dev->dev, |
437 | (ep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT, | |
438 | ep & 0x0f, id); | |
439 | if (p == NULL) { | |
440 | ERROR("could not find packet with id %"PRIu64"\n", id); | |
69354a83 | 441 | } |
de550a6a | 442 | return p; |
69354a83 HG |
443 | } |
444 | ||
e8ce12d9 | 445 | static int bufp_alloc(USBRedirDevice *dev, uint8_t *data, uint16_t len, |
b2d1fe67 | 446 | uint8_t status, uint8_t ep, void *free_on_destroy) |
69354a83 | 447 | { |
81fd7b74 HG |
448 | struct buf_packet *bufp; |
449 | ||
450 | if (!dev->endpoint[EP2I(ep)].bufpq_dropping_packets && | |
451 | dev->endpoint[EP2I(ep)].bufpq_size > | |
452 | 2 * dev->endpoint[EP2I(ep)].bufpq_target_size) { | |
453 | DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep); | |
454 | dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 1; | |
455 | } | |
456 | /* Since we're interupting the stream anyways, drop enough packets to get | |
457 | back to our target buffer size */ | |
458 | if (dev->endpoint[EP2I(ep)].bufpq_dropping_packets) { | |
459 | if (dev->endpoint[EP2I(ep)].bufpq_size > | |
460 | dev->endpoint[EP2I(ep)].bufpq_target_size) { | |
461 | free(data); | |
e8ce12d9 | 462 | return -1; |
81fd7b74 HG |
463 | } |
464 | dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; | |
465 | } | |
466 | ||
98f34339 | 467 | bufp = g_new(struct buf_packet, 1); |
69354a83 HG |
468 | bufp->data = data; |
469 | bufp->len = len; | |
b2d1fe67 | 470 | bufp->offset = 0; |
69354a83 | 471 | bufp->status = status; |
b2d1fe67 | 472 | bufp->free_on_destroy = free_on_destroy; |
69354a83 | 473 | QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next); |
e1537884 | 474 | dev->endpoint[EP2I(ep)].bufpq_size++; |
e8ce12d9 | 475 | return 0; |
69354a83 HG |
476 | } |
477 | ||
478 | static void bufp_free(USBRedirDevice *dev, struct buf_packet *bufp, | |
479 | uint8_t ep) | |
480 | { | |
481 | QTAILQ_REMOVE(&dev->endpoint[EP2I(ep)].bufpq, bufp, next); | |
e1537884 | 482 | dev->endpoint[EP2I(ep)].bufpq_size--; |
b2d1fe67 | 483 | free(bufp->free_on_destroy); |
7267c094 | 484 | g_free(bufp); |
69354a83 HG |
485 | } |
486 | ||
487 | static void usbredir_free_bufpq(USBRedirDevice *dev, uint8_t ep) | |
488 | { | |
489 | struct buf_packet *buf, *buf_next; | |
490 | ||
491 | QTAILQ_FOREACH_SAFE(buf, &dev->endpoint[EP2I(ep)].bufpq, next, buf_next) { | |
492 | bufp_free(dev, buf, ep); | |
493 | } | |
494 | } | |
495 | ||
496 | /* | |
497 | * USBDevice callbacks | |
498 | */ | |
499 | ||
500 | static void usbredir_handle_reset(USBDevice *udev) | |
501 | { | |
d371cbc7 | 502 | USBRedirDevice *dev = USB_REDIRECT(udev); |
69354a83 HG |
503 | |
504 | DPRINTF("reset device\n"); | |
505 | usbredirparser_send_reset(dev->parser); | |
506 | usbredirparser_do_write(dev->parser); | |
507 | } | |
508 | ||
9a77a0f5 | 509 | static void usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p, |
69354a83 HG |
510 | uint8_t ep) |
511 | { | |
512 | int status, len; | |
69354a83 HG |
513 | if (!dev->endpoint[EP2I(ep)].iso_started && |
514 | !dev->endpoint[EP2I(ep)].iso_error) { | |
515 | struct usb_redir_start_iso_stream_header start_iso = { | |
516 | .endpoint = ep, | |
69354a83 | 517 | }; |
e8a7dd29 HG |
518 | int pkts_per_sec; |
519 | ||
520 | if (dev->dev.speed == USB_SPEED_HIGH) { | |
521 | pkts_per_sec = 8000 / dev->endpoint[EP2I(ep)].interval; | |
522 | } else { | |
523 | pkts_per_sec = 1000 / dev->endpoint[EP2I(ep)].interval; | |
524 | } | |
525 | /* Testing has shown that we need circa 60 ms buffer */ | |
526 | dev->endpoint[EP2I(ep)].bufpq_target_size = (pkts_per_sec * 60) / 1000; | |
527 | ||
528 | /* Aim for approx 100 interrupts / second on the client to | |
529 | balance latency and interrupt load */ | |
530 | start_iso.pkts_per_urb = pkts_per_sec / 100; | |
531 | if (start_iso.pkts_per_urb < 1) { | |
532 | start_iso.pkts_per_urb = 1; | |
533 | } else if (start_iso.pkts_per_urb > 32) { | |
534 | start_iso.pkts_per_urb = 32; | |
535 | } | |
536 | ||
66c68a12 LV |
537 | start_iso.no_urbs = DIV_ROUND_UP( |
538 | dev->endpoint[EP2I(ep)].bufpq_target_size, | |
539 | start_iso.pkts_per_urb); | |
e8a7dd29 HG |
540 | /* Output endpoints pre-fill only 1/2 of the packets, keeping the rest |
541 | as overflow buffer. Also see the usbredir protocol documentation */ | |
542 | if (!(ep & USB_DIR_IN)) { | |
543 | start_iso.no_urbs *= 2; | |
544 | } | |
545 | if (start_iso.no_urbs > 16) { | |
546 | start_iso.no_urbs = 16; | |
547 | } | |
548 | ||
69354a83 HG |
549 | /* No id, we look at the ep when receiving a status back */ |
550 | usbredirparser_send_start_iso_stream(dev->parser, 0, &start_iso); | |
551 | usbredirparser_do_write(dev->parser); | |
32213543 HG |
552 | DPRINTF("iso stream started pkts/sec %d pkts/urb %d urbs %d ep %02X\n", |
553 | pkts_per_sec, start_iso.pkts_per_urb, start_iso.no_urbs, ep); | |
69354a83 | 554 | dev->endpoint[EP2I(ep)].iso_started = 1; |
e1537884 | 555 | dev->endpoint[EP2I(ep)].bufpq_prefilled = 0; |
81fd7b74 | 556 | dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; |
69354a83 HG |
557 | } |
558 | ||
559 | if (ep & USB_DIR_IN) { | |
560 | struct buf_packet *isop; | |
561 | ||
e1537884 HG |
562 | if (dev->endpoint[EP2I(ep)].iso_started && |
563 | !dev->endpoint[EP2I(ep)].bufpq_prefilled) { | |
564 | if (dev->endpoint[EP2I(ep)].bufpq_size < | |
565 | dev->endpoint[EP2I(ep)].bufpq_target_size) { | |
9a77a0f5 | 566 | return; |
e1537884 HG |
567 | } |
568 | dev->endpoint[EP2I(ep)].bufpq_prefilled = 1; | |
569 | } | |
570 | ||
69354a83 HG |
571 | isop = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq); |
572 | if (isop == NULL) { | |
32213543 HG |
573 | DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n", |
574 | ep, dev->endpoint[EP2I(ep)].iso_error); | |
e1537884 HG |
575 | /* Re-fill the buffer */ |
576 | dev->endpoint[EP2I(ep)].bufpq_prefilled = 0; | |
69354a83 HG |
577 | /* Check iso_error for stream errors, otherwise its an underrun */ |
578 | status = dev->endpoint[EP2I(ep)].iso_error; | |
579 | dev->endpoint[EP2I(ep)].iso_error = 0; | |
9a77a0f5 HG |
580 | p->status = status ? USB_RET_IOERROR : USB_RET_SUCCESS; |
581 | return; | |
69354a83 | 582 | } |
32213543 HG |
583 | DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep, |
584 | isop->status, isop->len, dev->endpoint[EP2I(ep)].bufpq_size); | |
69354a83 HG |
585 | |
586 | status = isop->status; | |
69354a83 | 587 | len = isop->len; |
4f4321c1 | 588 | if (len > p->iov.size) { |
32213543 HG |
589 | ERROR("received iso data is larger then packet ep %02X (%d > %d)\n", |
590 | ep, len, (int)p->iov.size); | |
e94ca437 HG |
591 | len = p->iov.size; |
592 | status = usb_redir_babble; | |
69354a83 | 593 | } |
4f4321c1 | 594 | usb_packet_copy(p, isop->data, len); |
69354a83 | 595 | bufp_free(dev, isop, ep); |
e94ca437 | 596 | usbredir_handle_status(dev, p, status); |
69354a83 HG |
597 | } else { |
598 | /* If the stream was not started because of a pending error don't | |
599 | send the packet to the usb-host */ | |
600 | if (dev->endpoint[EP2I(ep)].iso_started) { | |
601 | struct usb_redir_iso_packet_header iso_packet = { | |
602 | .endpoint = ep, | |
4f4321c1 | 603 | .length = p->iov.size |
69354a83 | 604 | }; |
4f4321c1 | 605 | uint8_t buf[p->iov.size]; |
69354a83 | 606 | /* No id, we look at the ep when receiving a status back */ |
4f4321c1 | 607 | usb_packet_copy(p, buf, p->iov.size); |
69354a83 | 608 | usbredirparser_send_iso_packet(dev->parser, 0, &iso_packet, |
4f4321c1 | 609 | buf, p->iov.size); |
69354a83 HG |
610 | usbredirparser_do_write(dev->parser); |
611 | } | |
612 | status = dev->endpoint[EP2I(ep)].iso_error; | |
613 | dev->endpoint[EP2I(ep)].iso_error = 0; | |
4f4321c1 GH |
614 | DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep, status, |
615 | p->iov.size); | |
9a77a0f5 | 616 | usbredir_handle_status(dev, p, status); |
69354a83 HG |
617 | } |
618 | } | |
619 | ||
620 | static void usbredir_stop_iso_stream(USBRedirDevice *dev, uint8_t ep) | |
621 | { | |
622 | struct usb_redir_stop_iso_stream_header stop_iso_stream = { | |
623 | .endpoint = ep | |
624 | }; | |
625 | if (dev->endpoint[EP2I(ep)].iso_started) { | |
626 | usbredirparser_send_stop_iso_stream(dev->parser, 0, &stop_iso_stream); | |
627 | DPRINTF("iso stream stopped ep %02X\n", ep); | |
628 | dev->endpoint[EP2I(ep)].iso_started = 0; | |
629 | } | |
2bd836e5 | 630 | dev->endpoint[EP2I(ep)].iso_error = 0; |
69354a83 HG |
631 | usbredir_free_bufpq(dev, ep); |
632 | } | |
633 | ||
b2d1fe67 HG |
634 | /* |
635 | * The usb-host may poll the endpoint faster then our guest, resulting in lots | |
636 | * of smaller bulkp-s. The below buffered_bulk_in_complete* functions combine | |
637 | * data from multiple bulkp-s into a single packet, avoiding bufpq overflows. | |
638 | */ | |
639 | static void usbredir_buffered_bulk_add_data_to_packet(USBRedirDevice *dev, | |
640 | struct buf_packet *bulkp, int count, USBPacket *p, uint8_t ep) | |
641 | { | |
642 | usb_packet_copy(p, bulkp->data + bulkp->offset, count); | |
643 | bulkp->offset += count; | |
644 | if (bulkp->offset == bulkp->len) { | |
645 | /* Store status in the last packet with data from this bulkp */ | |
646 | usbredir_handle_status(dev, p, bulkp->status); | |
647 | bufp_free(dev, bulkp, ep); | |
648 | } | |
649 | } | |
650 | ||
651 | static void usbredir_buffered_bulk_in_complete_raw(USBRedirDevice *dev, | |
652 | USBPacket *p, uint8_t ep) | |
653 | { | |
654 | struct buf_packet *bulkp; | |
655 | int count; | |
656 | ||
657 | while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) && | |
658 | p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) { | |
659 | count = bulkp->len - bulkp->offset; | |
660 | if (count > (p->iov.size - p->actual_length)) { | |
661 | count = p->iov.size - p->actual_length; | |
662 | } | |
663 | usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep); | |
664 | } | |
665 | } | |
666 | ||
667 | static void usbredir_buffered_bulk_in_complete_ftdi(USBRedirDevice *dev, | |
668 | USBPacket *p, uint8_t ep) | |
669 | { | |
670 | const int maxp = dev->endpoint[EP2I(ep)].max_packet_size; | |
671 | uint8_t header[2] = { 0, 0 }; | |
672 | struct buf_packet *bulkp; | |
673 | int count; | |
674 | ||
675 | while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) && | |
676 | p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) { | |
677 | if (bulkp->len < 2) { | |
678 | WARNING("malformed ftdi bulk in packet\n"); | |
679 | bufp_free(dev, bulkp, ep); | |
680 | continue; | |
681 | } | |
682 | ||
683 | if ((p->actual_length % maxp) == 0) { | |
684 | usb_packet_copy(p, bulkp->data, 2); | |
685 | memcpy(header, bulkp->data, 2); | |
686 | } else { | |
687 | if (bulkp->data[0] != header[0] || bulkp->data[1] != header[1]) { | |
688 | break; /* Different header, add to next packet */ | |
689 | } | |
690 | } | |
691 | ||
692 | if (bulkp->offset == 0) { | |
693 | bulkp->offset = 2; /* Skip header */ | |
694 | } | |
695 | count = bulkp->len - bulkp->offset; | |
696 | /* Must repeat the header at maxp interval */ | |
697 | if (count > (maxp - (p->actual_length % maxp))) { | |
698 | count = maxp - (p->actual_length % maxp); | |
699 | } | |
700 | usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep); | |
701 | } | |
702 | } | |
703 | ||
704 | static void usbredir_buffered_bulk_in_complete(USBRedirDevice *dev, | |
705 | USBPacket *p, uint8_t ep) | |
706 | { | |
707 | p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */ | |
708 | dev->buffered_bulk_in_complete(dev, p, ep); | |
709 | DPRINTF("bulk-token-in ep %02X status %d len %d id %"PRIu64"\n", | |
710 | ep, p->status, p->actual_length, p->id); | |
711 | } | |
712 | ||
713 | static void usbredir_handle_buffered_bulk_in_data(USBRedirDevice *dev, | |
714 | USBPacket *p, uint8_t ep) | |
715 | { | |
716 | /* Input bulk endpoint, buffered packet input */ | |
717 | if (!dev->endpoint[EP2I(ep)].bulk_receiving_started) { | |
718 | int bpt; | |
719 | struct usb_redir_start_bulk_receiving_header start = { | |
720 | .endpoint = ep, | |
721 | .stream_id = 0, | |
722 | .no_transfers = 5, | |
723 | }; | |
724 | /* Round bytes_per_transfer up to a multiple of max_packet_size */ | |
725 | bpt = 512 + dev->endpoint[EP2I(ep)].max_packet_size - 1; | |
726 | bpt /= dev->endpoint[EP2I(ep)].max_packet_size; | |
727 | bpt *= dev->endpoint[EP2I(ep)].max_packet_size; | |
728 | start.bytes_per_transfer = bpt; | |
729 | /* No id, we look at the ep when receiving a status back */ | |
730 | usbredirparser_send_start_bulk_receiving(dev->parser, 0, &start); | |
731 | usbredirparser_do_write(dev->parser); | |
732 | DPRINTF("bulk receiving started bytes/transfer %u count %d ep %02X\n", | |
733 | start.bytes_per_transfer, start.no_transfers, ep); | |
734 | dev->endpoint[EP2I(ep)].bulk_receiving_started = 1; | |
735 | /* We don't really want to drop bulk packets ever, but | |
736 | having some upper limit to how much we buffer is good. */ | |
737 | dev->endpoint[EP2I(ep)].bufpq_target_size = 5000; | |
738 | dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; | |
739 | } | |
740 | ||
741 | if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) { | |
742 | DPRINTF("bulk-token-in ep %02X, no bulkp\n", ep); | |
743 | assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL); | |
744 | dev->endpoint[EP2I(ep)].pending_async_packet = p; | |
745 | p->status = USB_RET_ASYNC; | |
746 | return; | |
747 | } | |
748 | usbredir_buffered_bulk_in_complete(dev, p, ep); | |
749 | } | |
750 | ||
751 | static void usbredir_stop_bulk_receiving(USBRedirDevice *dev, uint8_t ep) | |
752 | { | |
753 | struct usb_redir_stop_bulk_receiving_header stop_bulk = { | |
754 | .endpoint = ep, | |
755 | .stream_id = 0, | |
756 | }; | |
757 | if (dev->endpoint[EP2I(ep)].bulk_receiving_started) { | |
758 | usbredirparser_send_stop_bulk_receiving(dev->parser, 0, &stop_bulk); | |
759 | DPRINTF("bulk receiving stopped ep %02X\n", ep); | |
760 | dev->endpoint[EP2I(ep)].bulk_receiving_started = 0; | |
761 | } | |
762 | usbredir_free_bufpq(dev, ep); | |
763 | } | |
764 | ||
9a77a0f5 | 765 | static void usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p, |
69354a83 HG |
766 | uint8_t ep) |
767 | { | |
69354a83 | 768 | struct usb_redir_bulk_packet_header bulk_packet; |
6ef3ccd1 | 769 | size_t size = usb_packet_size(p); |
b2d1fe67 | 770 | const int maxp = dev->endpoint[EP2I(ep)].max_packet_size; |
69354a83 | 771 | |
9a8d4067 | 772 | if (usbredir_already_in_flight(dev, p->id)) { |
9a77a0f5 HG |
773 | p->status = USB_RET_ASYNC; |
774 | return; | |
9a8d4067 HG |
775 | } |
776 | ||
b2d1fe67 HG |
777 | if (dev->endpoint[EP2I(ep)].bulk_receiving_enabled) { |
778 | if (size != 0 && (size % maxp) == 0) { | |
779 | usbredir_handle_buffered_bulk_in_data(dev, p, ep); | |
780 | return; | |
781 | } | |
782 | WARNING("bulk recv invalid size %zd ep %02x, disabling\n", size, ep); | |
783 | assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL); | |
784 | usbredir_stop_bulk_receiving(dev, ep); | |
785 | dev->endpoint[EP2I(ep)].bulk_receiving_enabled = 0; | |
786 | } | |
787 | ||
19e83931 HG |
788 | DPRINTF("bulk-out ep %02X stream %u len %zd id %"PRIu64"\n", |
789 | ep, p->stream, size, p->id); | |
b2d1fe67 | 790 | |
69354a83 | 791 | bulk_packet.endpoint = ep; |
1b36c4d8 | 792 | bulk_packet.length = size; |
19e83931 | 793 | bulk_packet.stream_id = p->stream; |
1b36c4d8 | 794 | bulk_packet.length_high = size >> 16; |
c19a7981 HG |
795 | assert(bulk_packet.length_high == 0 || |
796 | usbredirparser_peer_has_cap(dev->parser, | |
797 | usb_redir_cap_32bits_bulk_length)); | |
69354a83 | 798 | |
bf78fb1c | 799 | if (ep & USB_DIR_IN || size == 0) { |
de550a6a | 800 | usbredirparser_send_bulk_packet(dev->parser, p->id, |
69354a83 HG |
801 | &bulk_packet, NULL, 0); |
802 | } else { | |
1b36c4d8 | 803 | uint8_t buf[size]; |
6ef3ccd1 | 804 | usb_packet_copy(p, buf, size); |
1b36c4d8 | 805 | usbredir_log_data(dev, "bulk data out:", buf, size); |
de550a6a | 806 | usbredirparser_send_bulk_packet(dev->parser, p->id, |
1b36c4d8 | 807 | &bulk_packet, buf, size); |
69354a83 HG |
808 | } |
809 | usbredirparser_do_write(dev->parser); | |
9a77a0f5 | 810 | p->status = USB_RET_ASYNC; |
69354a83 HG |
811 | } |
812 | ||
234e810c HG |
813 | static void usbredir_handle_interrupt_in_data(USBRedirDevice *dev, |
814 | USBPacket *p, uint8_t ep) | |
69354a83 | 815 | { |
234e810c HG |
816 | /* Input interrupt endpoint, buffered packet input */ |
817 | struct buf_packet *intp; | |
818 | int status, len; | |
69354a83 | 819 | |
234e810c HG |
820 | if (!dev->endpoint[EP2I(ep)].interrupt_started && |
821 | !dev->endpoint[EP2I(ep)].interrupt_error) { | |
822 | struct usb_redir_start_interrupt_receiving_header start_int = { | |
823 | .endpoint = ep, | |
824 | }; | |
825 | /* No id, we look at the ep when receiving a status back */ | |
826 | usbredirparser_send_start_interrupt_receiving(dev->parser, 0, | |
827 | &start_int); | |
828 | usbredirparser_do_write(dev->parser); | |
829 | DPRINTF("interrupt recv started ep %02X\n", ep); | |
830 | dev->endpoint[EP2I(ep)].interrupt_started = 1; | |
831 | /* We don't really want to drop interrupt packets ever, but | |
832 | having some upper limit to how much we buffer is good. */ | |
833 | dev->endpoint[EP2I(ep)].bufpq_target_size = 1000; | |
834 | dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0; | |
835 | } | |
69354a83 | 836 | |
234e810c HG |
837 | intp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq); |
838 | if (intp == NULL) { | |
839 | DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep); | |
840 | /* Check interrupt_error for stream errors */ | |
841 | status = dev->endpoint[EP2I(ep)].interrupt_error; | |
842 | dev->endpoint[EP2I(ep)].interrupt_error = 0; | |
843 | if (status) { | |
844 | usbredir_handle_status(dev, p, status); | |
845 | } else { | |
846 | p->status = USB_RET_NAK; | |
69354a83 | 847 | } |
234e810c HG |
848 | return; |
849 | } | |
850 | DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep, | |
851 | intp->status, intp->len); | |
852 | ||
853 | status = intp->status; | |
854 | len = intp->len; | |
855 | if (len > p->iov.size) { | |
856 | ERROR("received int data is larger then packet ep %02X\n", ep); | |
857 | len = p->iov.size; | |
858 | status = usb_redir_babble; | |
859 | } | |
860 | usb_packet_copy(p, intp->data, len); | |
861 | bufp_free(dev, intp, ep); | |
862 | usbredir_handle_status(dev, p, status); | |
863 | } | |
69354a83 | 864 | |
723aedd5 HG |
865 | /* |
866 | * Handle interrupt out data, the usbredir protocol expects us to do this | |
867 | * async, so that it can report back a completion status. But guests will | |
868 | * expect immediate completion for an interrupt endpoint, and handling this | |
869 | * async causes migration issues. So we report success directly, counting | |
870 | * on the fact that output interrupt packets normally always succeed. | |
871 | */ | |
234e810c HG |
872 | static void usbredir_handle_interrupt_out_data(USBRedirDevice *dev, |
873 | USBPacket *p, uint8_t ep) | |
874 | { | |
234e810c HG |
875 | struct usb_redir_interrupt_packet_header interrupt_packet; |
876 | uint8_t buf[p->iov.size]; | |
9a8d4067 | 877 | |
234e810c HG |
878 | DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64"\n", ep, |
879 | p->iov.size, p->id); | |
69354a83 | 880 | |
234e810c HG |
881 | interrupt_packet.endpoint = ep; |
882 | interrupt_packet.length = p->iov.size; | |
883 | ||
884 | usb_packet_copy(p, buf, p->iov.size); | |
885 | usbredir_log_data(dev, "interrupt data out:", buf, p->iov.size); | |
886 | usbredirparser_send_interrupt_packet(dev->parser, p->id, | |
887 | &interrupt_packet, buf, p->iov.size); | |
888 | usbredirparser_do_write(dev->parser); | |
69354a83 HG |
889 | } |
890 | ||
891 | static void usbredir_stop_interrupt_receiving(USBRedirDevice *dev, | |
892 | uint8_t ep) | |
893 | { | |
894 | struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv = { | |
895 | .endpoint = ep | |
896 | }; | |
897 | if (dev->endpoint[EP2I(ep)].interrupt_started) { | |
898 | usbredirparser_send_stop_interrupt_receiving(dev->parser, 0, | |
899 | &stop_interrupt_recv); | |
900 | DPRINTF("interrupt recv stopped ep %02X\n", ep); | |
901 | dev->endpoint[EP2I(ep)].interrupt_started = 0; | |
902 | } | |
2bd836e5 | 903 | dev->endpoint[EP2I(ep)].interrupt_error = 0; |
69354a83 HG |
904 | usbredir_free_bufpq(dev, ep); |
905 | } | |
906 | ||
9a77a0f5 | 907 | static void usbredir_handle_data(USBDevice *udev, USBPacket *p) |
69354a83 | 908 | { |
d371cbc7 | 909 | USBRedirDevice *dev = USB_REDIRECT(udev); |
69354a83 HG |
910 | uint8_t ep; |
911 | ||
079d0b7f | 912 | ep = p->ep->nr; |
69354a83 HG |
913 | if (p->pid == USB_TOKEN_IN) { |
914 | ep |= USB_DIR_IN; | |
915 | } | |
916 | ||
917 | switch (dev->endpoint[EP2I(ep)].type) { | |
918 | case USB_ENDPOINT_XFER_CONTROL: | |
919 | ERROR("handle_data called for control transfer on ep %02X\n", ep); | |
9a77a0f5 HG |
920 | p->status = USB_RET_NAK; |
921 | break; | |
69354a83 | 922 | case USB_ENDPOINT_XFER_BULK: |
1b36c4d8 HG |
923 | if (p->state == USB_PACKET_SETUP && p->pid == USB_TOKEN_IN && |
924 | p->ep->pipeline) { | |
9a77a0f5 HG |
925 | p->status = USB_RET_ADD_TO_QUEUE; |
926 | break; | |
1b36c4d8 | 927 | } |
9a77a0f5 HG |
928 | usbredir_handle_bulk_data(dev, p, ep); |
929 | break; | |
b2d1fe67 HG |
930 | case USB_ENDPOINT_XFER_ISOC: |
931 | usbredir_handle_iso_data(dev, p, ep); | |
932 | break; | |
69354a83 | 933 | case USB_ENDPOINT_XFER_INT: |
234e810c HG |
934 | if (ep & USB_DIR_IN) { |
935 | usbredir_handle_interrupt_in_data(dev, p, ep); | |
936 | } else { | |
937 | usbredir_handle_interrupt_out_data(dev, p, ep); | |
938 | } | |
9a77a0f5 | 939 | break; |
69354a83 HG |
940 | default: |
941 | ERROR("handle_data ep %02X has unknown type %d\n", ep, | |
942 | dev->endpoint[EP2I(ep)].type); | |
9a77a0f5 | 943 | p->status = USB_RET_NAK; |
69354a83 HG |
944 | } |
945 | } | |
946 | ||
1b36c4d8 HG |
947 | static void usbredir_flush_ep_queue(USBDevice *dev, USBEndpoint *ep) |
948 | { | |
949 | if (ep->pid == USB_TOKEN_IN && ep->pipeline) { | |
950 | usb_ep_combine_input_packets(ep); | |
951 | } | |
952 | } | |
953 | ||
f8c126f3 HG |
954 | static void usbredir_stop_ep(USBRedirDevice *dev, int i) |
955 | { | |
956 | uint8_t ep = I2EP(i); | |
957 | ||
958 | switch (dev->endpoint[i].type) { | |
b2d1fe67 HG |
959 | case USB_ENDPOINT_XFER_BULK: |
960 | if (ep & USB_DIR_IN) { | |
961 | usbredir_stop_bulk_receiving(dev, ep); | |
962 | } | |
963 | break; | |
f8c126f3 HG |
964 | case USB_ENDPOINT_XFER_ISOC: |
965 | usbredir_stop_iso_stream(dev, ep); | |
966 | break; | |
967 | case USB_ENDPOINT_XFER_INT: | |
968 | if (ep & USB_DIR_IN) { | |
969 | usbredir_stop_interrupt_receiving(dev, ep); | |
970 | } | |
971 | break; | |
972 | } | |
973 | usbredir_free_bufpq(dev, ep); | |
974 | } | |
975 | ||
d8553dd0 HG |
976 | static void usbredir_ep_stopped(USBDevice *udev, USBEndpoint *uep) |
977 | { | |
d371cbc7 | 978 | USBRedirDevice *dev = USB_REDIRECT(udev); |
d8553dd0 HG |
979 | |
980 | usbredir_stop_ep(dev, USBEP2I(uep)); | |
981 | usbredirparser_do_write(dev->parser); | |
982 | } | |
983 | ||
9a77a0f5 | 984 | static void usbredir_set_config(USBRedirDevice *dev, USBPacket *p, |
69354a83 HG |
985 | int config) |
986 | { | |
987 | struct usb_redir_set_configuration_header set_config; | |
69354a83 HG |
988 | int i; |
989 | ||
de550a6a | 990 | DPRINTF("set config %d id %"PRIu64"\n", config, p->id); |
69354a83 HG |
991 | |
992 | for (i = 0; i < MAX_ENDPOINTS; i++) { | |
f8c126f3 | 993 | usbredir_stop_ep(dev, i); |
69354a83 HG |
994 | } |
995 | ||
996 | set_config.configuration = config; | |
de550a6a | 997 | usbredirparser_send_set_configuration(dev->parser, p->id, &set_config); |
69354a83 | 998 | usbredirparser_do_write(dev->parser); |
9a77a0f5 | 999 | p->status = USB_RET_ASYNC; |
69354a83 HG |
1000 | } |
1001 | ||
9a77a0f5 | 1002 | static void usbredir_get_config(USBRedirDevice *dev, USBPacket *p) |
69354a83 | 1003 | { |
de550a6a | 1004 | DPRINTF("get config id %"PRIu64"\n", p->id); |
69354a83 | 1005 | |
de550a6a | 1006 | usbredirparser_send_get_configuration(dev->parser, p->id); |
69354a83 | 1007 | usbredirparser_do_write(dev->parser); |
9a77a0f5 | 1008 | p->status = USB_RET_ASYNC; |
69354a83 HG |
1009 | } |
1010 | ||
9a77a0f5 | 1011 | static void usbredir_set_interface(USBRedirDevice *dev, USBPacket *p, |
69354a83 HG |
1012 | int interface, int alt) |
1013 | { | |
1014 | struct usb_redir_set_alt_setting_header set_alt; | |
69354a83 HG |
1015 | int i; |
1016 | ||
de550a6a | 1017 | DPRINTF("set interface %d alt %d id %"PRIu64"\n", interface, alt, p->id); |
69354a83 HG |
1018 | |
1019 | for (i = 0; i < MAX_ENDPOINTS; i++) { | |
1020 | if (dev->endpoint[i].interface == interface) { | |
f8c126f3 | 1021 | usbredir_stop_ep(dev, i); |
69354a83 HG |
1022 | } |
1023 | } | |
1024 | ||
1025 | set_alt.interface = interface; | |
1026 | set_alt.alt = alt; | |
de550a6a | 1027 | usbredirparser_send_set_alt_setting(dev->parser, p->id, &set_alt); |
69354a83 | 1028 | usbredirparser_do_write(dev->parser); |
9a77a0f5 | 1029 | p->status = USB_RET_ASYNC; |
69354a83 HG |
1030 | } |
1031 | ||
9a77a0f5 | 1032 | static void usbredir_get_interface(USBRedirDevice *dev, USBPacket *p, |
69354a83 HG |
1033 | int interface) |
1034 | { | |
1035 | struct usb_redir_get_alt_setting_header get_alt; | |
69354a83 | 1036 | |
de550a6a | 1037 | DPRINTF("get interface %d id %"PRIu64"\n", interface, p->id); |
69354a83 HG |
1038 | |
1039 | get_alt.interface = interface; | |
de550a6a | 1040 | usbredirparser_send_get_alt_setting(dev->parser, p->id, &get_alt); |
69354a83 | 1041 | usbredirparser_do_write(dev->parser); |
9a77a0f5 | 1042 | p->status = USB_RET_ASYNC; |
69354a83 HG |
1043 | } |
1044 | ||
9a77a0f5 | 1045 | static void usbredir_handle_control(USBDevice *udev, USBPacket *p, |
69354a83 HG |
1046 | int request, int value, int index, int length, uint8_t *data) |
1047 | { | |
d371cbc7 | 1048 | USBRedirDevice *dev = USB_REDIRECT(udev); |
69354a83 | 1049 | struct usb_redir_control_packet_header control_packet; |
69354a83 | 1050 | |
9a8d4067 | 1051 | if (usbredir_already_in_flight(dev, p->id)) { |
9a77a0f5 HG |
1052 | p->status = USB_RET_ASYNC; |
1053 | return; | |
9a8d4067 HG |
1054 | } |
1055 | ||
69354a83 HG |
1056 | /* Special cases for certain standard device requests */ |
1057 | switch (request) { | |
1058 | case DeviceOutRequest | USB_REQ_SET_ADDRESS: | |
1059 | DPRINTF("set address %d\n", value); | |
1060 | dev->dev.addr = value; | |
9a77a0f5 | 1061 | return; |
69354a83 | 1062 | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: |
9a77a0f5 HG |
1063 | usbredir_set_config(dev, p, value & 0xff); |
1064 | return; | |
69354a83 | 1065 | case DeviceRequest | USB_REQ_GET_CONFIGURATION: |
9a77a0f5 HG |
1066 | usbredir_get_config(dev, p); |
1067 | return; | |
69354a83 | 1068 | case InterfaceOutRequest | USB_REQ_SET_INTERFACE: |
9a77a0f5 HG |
1069 | usbredir_set_interface(dev, p, index, value); |
1070 | return; | |
69354a83 | 1071 | case InterfaceRequest | USB_REQ_GET_INTERFACE: |
9a77a0f5 HG |
1072 | usbredir_get_interface(dev, p, index); |
1073 | return; | |
69354a83 HG |
1074 | } |
1075 | ||
de550a6a HG |
1076 | /* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */ |
1077 | DPRINTF( | |
1078 | "ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64"\n", | |
1079 | request >> 8, request & 0xff, value, index, length, p->id); | |
69354a83 HG |
1080 | |
1081 | control_packet.request = request & 0xFF; | |
1082 | control_packet.requesttype = request >> 8; | |
1083 | control_packet.endpoint = control_packet.requesttype & USB_DIR_IN; | |
1084 | control_packet.value = value; | |
1085 | control_packet.index = index; | |
1086 | control_packet.length = length; | |
69354a83 HG |
1087 | |
1088 | if (control_packet.requesttype & USB_DIR_IN) { | |
de550a6a | 1089 | usbredirparser_send_control_packet(dev->parser, p->id, |
69354a83 HG |
1090 | &control_packet, NULL, 0); |
1091 | } else { | |
1092 | usbredir_log_data(dev, "ctrl data out:", data, length); | |
de550a6a | 1093 | usbredirparser_send_control_packet(dev->parser, p->id, |
69354a83 HG |
1094 | &control_packet, data, length); |
1095 | } | |
1096 | usbredirparser_do_write(dev->parser); | |
9a77a0f5 | 1097 | p->status = USB_RET_ASYNC; |
69354a83 HG |
1098 | } |
1099 | ||
19e83931 HG |
1100 | static int usbredir_alloc_streams(USBDevice *udev, USBEndpoint **eps, |
1101 | int nr_eps, int streams) | |
1102 | { | |
d371cbc7 | 1103 | USBRedirDevice *dev = USB_REDIRECT(udev); |
19e83931 HG |
1104 | #if USBREDIR_VERSION >= 0x000700 |
1105 | struct usb_redir_alloc_bulk_streams_header alloc_streams; | |
1106 | int i; | |
1107 | ||
1108 | if (!usbredirparser_peer_has_cap(dev->parser, | |
1109 | usb_redir_cap_bulk_streams)) { | |
1110 | ERROR("peer does not support streams\n"); | |
1111 | goto reject; | |
1112 | } | |
1113 | ||
1114 | if (streams == 0) { | |
1115 | ERROR("request to allocate 0 streams\n"); | |
1116 | return -1; | |
1117 | } | |
1118 | ||
1119 | alloc_streams.no_streams = streams; | |
1120 | alloc_streams.endpoints = 0; | |
1121 | for (i = 0; i < nr_eps; i++) { | |
1122 | alloc_streams.endpoints |= 1 << USBEP2I(eps[i]); | |
1123 | } | |
1124 | usbredirparser_send_alloc_bulk_streams(dev->parser, 0, &alloc_streams); | |
1125 | usbredirparser_do_write(dev->parser); | |
1126 | ||
1127 | return 0; | |
1128 | #else | |
1129 | ERROR("usbredir_alloc_streams not implemented\n"); | |
1130 | goto reject; | |
1131 | #endif | |
1132 | reject: | |
1133 | ERROR("streams are not available, disconnecting\n"); | |
1134 | qemu_bh_schedule(dev->device_reject_bh); | |
1135 | return -1; | |
1136 | } | |
1137 | ||
1138 | static void usbredir_free_streams(USBDevice *udev, USBEndpoint **eps, | |
1139 | int nr_eps) | |
1140 | { | |
1141 | #if USBREDIR_VERSION >= 0x000700 | |
d371cbc7 | 1142 | USBRedirDevice *dev = USB_REDIRECT(udev); |
19e83931 HG |
1143 | struct usb_redir_free_bulk_streams_header free_streams; |
1144 | int i; | |
1145 | ||
1146 | if (!usbredirparser_peer_has_cap(dev->parser, | |
1147 | usb_redir_cap_bulk_streams)) { | |
1148 | return; | |
1149 | } | |
1150 | ||
1151 | free_streams.endpoints = 0; | |
1152 | for (i = 0; i < nr_eps; i++) { | |
1153 | free_streams.endpoints |= 1 << USBEP2I(eps[i]); | |
1154 | } | |
1155 | usbredirparser_send_free_bulk_streams(dev->parser, 0, &free_streams); | |
1156 | usbredirparser_do_write(dev->parser); | |
1157 | #endif | |
1158 | } | |
1159 | ||
69354a83 HG |
1160 | /* |
1161 | * Close events can be triggered by usbredirparser_do_write which gets called | |
1162 | * from within the USBDevice data / control packet callbacks and doing a | |
1163 | * usb_detach from within these callbacks is not a good idea. | |
1164 | * | |
ed9873bf | 1165 | * So we use a bh handler to take care of close events. |
69354a83 | 1166 | */ |
ed9873bf | 1167 | static void usbredir_chardev_close_bh(void *opaque) |
69354a83 HG |
1168 | { |
1169 | USBRedirDevice *dev = opaque; | |
1170 | ||
19e83931 | 1171 | qemu_bh_cancel(dev->device_reject_bh); |
69354a83 HG |
1172 | usbredir_device_disconnect(dev); |
1173 | ||
1174 | if (dev->parser) { | |
09054d19 | 1175 | DPRINTF("destroying usbredirparser\n"); |
69354a83 HG |
1176 | usbredirparser_destroy(dev->parser); |
1177 | dev->parser = NULL; | |
1178 | } | |
c874ea97 HG |
1179 | if (dev->watch) { |
1180 | g_source_remove(dev->watch); | |
1181 | dev->watch = 0; | |
1182 | } | |
ed9873bf | 1183 | } |
69354a83 | 1184 | |
dbbf0195 | 1185 | static void usbredir_create_parser(USBRedirDevice *dev) |
ed9873bf HG |
1186 | { |
1187 | uint32_t caps[USB_REDIR_CAPS_SIZE] = { 0, }; | |
fc3f6e1b | 1188 | int flags = 0; |
6af16589 | 1189 | |
09054d19 HG |
1190 | DPRINTF("creating usbredirparser\n"); |
1191 | ||
ed9873bf HG |
1192 | dev->parser = qemu_oom_check(usbredirparser_create()); |
1193 | dev->parser->priv = dev; | |
1194 | dev->parser->log_func = usbredir_log; | |
1195 | dev->parser->read_func = usbredir_read; | |
1196 | dev->parser->write_func = usbredir_write; | |
1197 | dev->parser->hello_func = usbredir_hello; | |
1198 | dev->parser->device_connect_func = usbredir_device_connect; | |
1199 | dev->parser->device_disconnect_func = usbredir_device_disconnect; | |
1200 | dev->parser->interface_info_func = usbredir_interface_info; | |
1201 | dev->parser->ep_info_func = usbredir_ep_info; | |
1202 | dev->parser->configuration_status_func = usbredir_configuration_status; | |
1203 | dev->parser->alt_setting_status_func = usbredir_alt_setting_status; | |
1204 | dev->parser->iso_stream_status_func = usbredir_iso_stream_status; | |
1205 | dev->parser->interrupt_receiving_status_func = | |
1206 | usbredir_interrupt_receiving_status; | |
1207 | dev->parser->bulk_streams_status_func = usbredir_bulk_streams_status; | |
b2d1fe67 | 1208 | dev->parser->bulk_receiving_status_func = usbredir_bulk_receiving_status; |
ed9873bf HG |
1209 | dev->parser->control_packet_func = usbredir_control_packet; |
1210 | dev->parser->bulk_packet_func = usbredir_bulk_packet; | |
1211 | dev->parser->iso_packet_func = usbredir_iso_packet; | |
1212 | dev->parser->interrupt_packet_func = usbredir_interrupt_packet; | |
b2d1fe67 | 1213 | dev->parser->buffered_bulk_packet_func = usbredir_buffered_bulk_packet; |
ed9873bf HG |
1214 | dev->read_buf = NULL; |
1215 | dev->read_buf_size = 0; | |
1216 | ||
1217 | usbredirparser_caps_set_cap(caps, usb_redir_cap_connect_device_version); | |
1218 | usbredirparser_caps_set_cap(caps, usb_redir_cap_filter); | |
0fde3b7a | 1219 | usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size); |
be4a8928 | 1220 | usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids); |
c19a7981 | 1221 | usbredirparser_caps_set_cap(caps, usb_redir_cap_32bits_bulk_length); |
b2d1fe67 | 1222 | usbredirparser_caps_set_cap(caps, usb_redir_cap_bulk_receiving); |
19e83931 | 1223 | #if USBREDIR_VERSION >= 0x000700 |
87ae924b GH |
1224 | if (dev->enable_streams) { |
1225 | usbredirparser_caps_set_cap(caps, usb_redir_cap_bulk_streams); | |
1226 | } | |
19e83931 | 1227 | #endif |
fc3f6e1b HG |
1228 | |
1229 | if (runstate_check(RUN_STATE_INMIGRATE)) { | |
1230 | flags |= usbredirparser_fl_no_hello; | |
1231 | } | |
35efba2c | 1232 | usbredirparser_init(dev->parser, VERSION, caps, USB_REDIR_CAPS_SIZE, |
fc3f6e1b | 1233 | flags); |
ed9873bf | 1234 | usbredirparser_do_write(dev->parser); |
69354a83 HG |
1235 | } |
1236 | ||
910c1e6b HG |
1237 | static void usbredir_reject_device(USBRedirDevice *dev) |
1238 | { | |
1239 | usbredir_device_disconnect(dev); | |
1240 | if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter)) { | |
1241 | usbredirparser_send_filter_reject(dev->parser); | |
1242 | usbredirparser_do_write(dev->parser); | |
1243 | } | |
1244 | } | |
1245 | ||
19e83931 HG |
1246 | /* |
1247 | * We may need to reject the device when the hcd calls alloc_streams, doing | |
1248 | * an usb_detach from within a hcd call is not a good idea, hence this bh. | |
1249 | */ | |
1250 | static void usbredir_device_reject_bh(void *opaque) | |
1251 | { | |
1252 | USBRedirDevice *dev = opaque; | |
1253 | ||
1254 | usbredir_reject_device(dev); | |
1255 | } | |
1256 | ||
69354a83 HG |
1257 | static void usbredir_do_attach(void *opaque) |
1258 | { | |
1259 | USBRedirDevice *dev = opaque; | |
7d553f27 | 1260 | Error *local_err = NULL; |
69354a83 | 1261 | |
a508cc42 HG |
1262 | /* In order to work properly with XHCI controllers we need these caps */ |
1263 | if ((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER) && !( | |
1264 | usbredirparser_peer_has_cap(dev->parser, | |
1265 | usb_redir_cap_ep_info_max_packet_size) && | |
d3aea641 HG |
1266 | usbredirparser_peer_has_cap(dev->parser, |
1267 | usb_redir_cap_32bits_bulk_length) && | |
a508cc42 HG |
1268 | usbredirparser_peer_has_cap(dev->parser, |
1269 | usb_redir_cap_64bits_ids))) { | |
1270 | ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n"); | |
1271 | usbredir_reject_device(dev); | |
1272 | return; | |
1273 | } | |
1274 | ||
7d553f27 GA |
1275 | usb_device_attach(&dev->dev, &local_err); |
1276 | if (local_err) { | |
565f65d2 | 1277 | error_report_err(local_err); |
cdfd3530 | 1278 | WARNING("rejecting device due to speed mismatch\n"); |
910c1e6b | 1279 | usbredir_reject_device(dev); |
714f9db0 | 1280 | } |
69354a83 HG |
1281 | } |
1282 | ||
1283 | /* | |
1284 | * chardev callbacks | |
1285 | */ | |
1286 | ||
1287 | static int usbredir_chardev_can_read(void *opaque) | |
1288 | { | |
1289 | USBRedirDevice *dev = opaque; | |
1290 | ||
ed9873bf HG |
1291 | if (!dev->parser) { |
1292 | WARNING("chardev_can_read called on non open chardev!\n"); | |
69354a83 HG |
1293 | return 0; |
1294 | } | |
ed9873bf | 1295 | |
fc3f6e1b HG |
1296 | /* Don't read new data from the chardev until our state is fully synced */ |
1297 | if (!runstate_check(RUN_STATE_RUNNING)) { | |
1298 | return 0; | |
1299 | } | |
1300 | ||
ed9873bf | 1301 | /* usbredir_parser_do_read will consume *all* data we give it */ |
246e195b | 1302 | return 1 * MiB; |
69354a83 HG |
1303 | } |
1304 | ||
1305 | static void usbredir_chardev_read(void *opaque, const uint8_t *buf, int size) | |
1306 | { | |
1307 | USBRedirDevice *dev = opaque; | |
1308 | ||
1309 | /* No recursion allowed! */ | |
1310 | assert(dev->read_buf == NULL); | |
1311 | ||
1312 | dev->read_buf = buf; | |
1313 | dev->read_buf_size = size; | |
1314 | ||
1315 | usbredirparser_do_read(dev->parser); | |
1316 | /* Send any acks, etc. which may be queued now */ | |
1317 | usbredirparser_do_write(dev->parser); | |
1318 | } | |
1319 | ||
1320 | static void usbredir_chardev_event(void *opaque, int event) | |
1321 | { | |
1322 | USBRedirDevice *dev = opaque; | |
1323 | ||
1324 | switch (event) { | |
1325 | case CHR_EVENT_OPENED: | |
09054d19 | 1326 | DPRINTF("chardev open\n"); |
dbbf0195 HG |
1327 | /* Make sure any pending closes are handled (no-op if none pending) */ |
1328 | usbredir_chardev_close_bh(dev); | |
1329 | qemu_bh_cancel(dev->chardev_close_bh); | |
1330 | usbredir_create_parser(dev); | |
ed9873bf | 1331 | break; |
69354a83 | 1332 | case CHR_EVENT_CLOSED: |
09054d19 | 1333 | DPRINTF("chardev close\n"); |
ed9873bf | 1334 | qemu_bh_schedule(dev->chardev_close_bh); |
69354a83 HG |
1335 | break; |
1336 | } | |
1337 | } | |
1338 | ||
1339 | /* | |
1340 | * init + destroy | |
1341 | */ | |
1342 | ||
fc3f6e1b HG |
1343 | static void usbredir_vm_state_change(void *priv, int running, RunState state) |
1344 | { | |
1345 | USBRedirDevice *dev = priv; | |
1346 | ||
1347 | if (state == RUN_STATE_RUNNING && dev->parser != NULL) { | |
1348 | usbredirparser_do_write(dev->parser); /* Flush any pending writes */ | |
1349 | } | |
1350 | } | |
1351 | ||
bd019b73 HG |
1352 | static void usbredir_init_endpoints(USBRedirDevice *dev) |
1353 | { | |
1354 | int i; | |
1355 | ||
1356 | usb_ep_init(&dev->dev); | |
1357 | memset(dev->endpoint, 0, sizeof(dev->endpoint)); | |
1358 | for (i = 0; i < MAX_ENDPOINTS; i++) { | |
e97f0aca | 1359 | dev->endpoint[i].dev = dev; |
bd019b73 HG |
1360 | QTAILQ_INIT(&dev->endpoint[i].bufpq); |
1361 | } | |
1362 | } | |
1363 | ||
77e35b4b | 1364 | static void usbredir_realize(USBDevice *udev, Error **errp) |
69354a83 | 1365 | { |
d371cbc7 | 1366 | USBRedirDevice *dev = USB_REDIRECT(udev); |
69354a83 HG |
1367 | int i; |
1368 | ||
30650701 | 1369 | if (!qemu_chr_fe_backend_connected(&dev->cs)) { |
c6bd8c70 | 1370 | error_setg(errp, QERR_MISSING_PARAMETER, "chardev"); |
77e35b4b | 1371 | return; |
69354a83 HG |
1372 | } |
1373 | ||
6af16589 HG |
1374 | if (dev->filter_str) { |
1375 | i = usbredirfilter_string_to_rules(dev->filter_str, ":", "|", | |
1376 | &dev->filter_rules, | |
1377 | &dev->filter_rules_count); | |
1378 | if (i) { | |
c6bd8c70 MA |
1379 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "filter", |
1380 | "a usb device filter string"); | |
77e35b4b | 1381 | return; |
6af16589 HG |
1382 | } |
1383 | } | |
1384 | ||
ed9873bf | 1385 | dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev); |
19e83931 | 1386 | dev->device_reject_bh = qemu_bh_new(usbredir_device_reject_bh, dev); |
bc72ad67 | 1387 | dev->attach_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, usbredir_do_attach, dev); |
69354a83 | 1388 | |
8e60452a | 1389 | packet_id_queue_init(&dev->cancelled, dev, "cancelled"); |
9a8d4067 | 1390 | packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight"); |
bd019b73 | 1391 | usbredir_init_endpoints(dev); |
69354a83 HG |
1392 | |
1393 | /* We'll do the attach once we receive the speed from the usb-host */ | |
1394 | udev->auto_attach = 0; | |
1395 | ||
cdfd3530 | 1396 | /* Will be cleared during setup when we find conflicts */ |
95a59dc0 | 1397 | dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH; |
cdfd3530 | 1398 | |
65f9d986 | 1399 | /* Let the backend know we are ready */ |
5345fdb4 MAL |
1400 | qemu_chr_fe_set_handlers(&dev->cs, usbredir_chardev_can_read, |
1401 | usbredir_chardev_read, usbredir_chardev_event, | |
81517ba3 | 1402 | NULL, dev, NULL, true); |
69354a83 | 1403 | |
07b026fd LQ |
1404 | dev->vmstate = |
1405 | qemu_add_vm_change_state_handler(usbredir_vm_state_change, dev); | |
69354a83 HG |
1406 | } |
1407 | ||
1408 | static void usbredir_cleanup_device_queues(USBRedirDevice *dev) | |
1409 | { | |
69354a83 HG |
1410 | int i; |
1411 | ||
8e60452a | 1412 | packet_id_queue_empty(&dev->cancelled); |
9a8d4067 | 1413 | packet_id_queue_empty(&dev->already_in_flight); |
69354a83 HG |
1414 | for (i = 0; i < MAX_ENDPOINTS; i++) { |
1415 | usbredir_free_bufpq(dev, I2EP(i)); | |
1416 | } | |
1417 | } | |
1418 | ||
c4fe9700 | 1419 | static void usbredir_unrealize(USBDevice *udev, Error **errp) |
69354a83 | 1420 | { |
d371cbc7 | 1421 | USBRedirDevice *dev = USB_REDIRECT(udev); |
5345fdb4 | 1422 | |
1ce2610c | 1423 | qemu_chr_fe_deinit(&dev->cs, true); |
69354a83 | 1424 | |
69354a83 | 1425 | /* Note must be done after qemu_chr_close, as that causes a close event */ |
ed9873bf | 1426 | qemu_bh_delete(dev->chardev_close_bh); |
19e83931 | 1427 | qemu_bh_delete(dev->device_reject_bh); |
69354a83 | 1428 | |
bc72ad67 AB |
1429 | timer_del(dev->attach_timer); |
1430 | timer_free(dev->attach_timer); | |
69354a83 HG |
1431 | |
1432 | usbredir_cleanup_device_queues(dev); | |
1433 | ||
1434 | if (dev->parser) { | |
1435 | usbredirparser_destroy(dev->parser); | |
1436 | } | |
c874ea97 HG |
1437 | if (dev->watch) { |
1438 | g_source_remove(dev->watch); | |
1439 | } | |
6af16589 HG |
1440 | |
1441 | free(dev->filter_rules); | |
07b026fd | 1442 | qemu_del_vm_change_state_handler(dev->vmstate); |
6af16589 HG |
1443 | } |
1444 | ||
1445 | static int usbredir_check_filter(USBRedirDevice *dev) | |
1446 | { | |
1510168e | 1447 | if (dev->interface_info.interface_count == NO_INTERFACE_INFO) { |
6af16589 | 1448 | ERROR("No interface info for device\n"); |
5b3bd682 | 1449 | goto error; |
6af16589 HG |
1450 | } |
1451 | ||
1452 | if (dev->filter_rules) { | |
1453 | if (!usbredirparser_peer_has_cap(dev->parser, | |
1454 | usb_redir_cap_connect_device_version)) { | |
1455 | ERROR("Device filter specified and peer does not have the " | |
1456 | "connect_device_version capability\n"); | |
5b3bd682 | 1457 | goto error; |
6af16589 HG |
1458 | } |
1459 | ||
1460 | if (usbredirfilter_check( | |
1461 | dev->filter_rules, | |
1462 | dev->filter_rules_count, | |
1463 | dev->device_info.device_class, | |
1464 | dev->device_info.device_subclass, | |
1465 | dev->device_info.device_protocol, | |
1466 | dev->interface_info.interface_class, | |
1467 | dev->interface_info.interface_subclass, | |
1468 | dev->interface_info.interface_protocol, | |
1469 | dev->interface_info.interface_count, | |
1470 | dev->device_info.vendor_id, | |
1471 | dev->device_info.product_id, | |
1472 | dev->device_info.device_version_bcd, | |
1473 | 0) != 0) { | |
5b3bd682 | 1474 | goto error; |
6af16589 HG |
1475 | } |
1476 | } | |
1477 | ||
1478 | return 0; | |
5b3bd682 HG |
1479 | |
1480 | error: | |
910c1e6b | 1481 | usbredir_reject_device(dev); |
5b3bd682 | 1482 | return -1; |
69354a83 HG |
1483 | } |
1484 | ||
b2d1fe67 HG |
1485 | static void usbredir_check_bulk_receiving(USBRedirDevice *dev) |
1486 | { | |
1487 | int i, j, quirks; | |
1488 | ||
1489 | if (!usbredirparser_peer_has_cap(dev->parser, | |
1490 | usb_redir_cap_bulk_receiving)) { | |
1491 | return; | |
1492 | } | |
1493 | ||
1494 | for (i = EP2I(USB_DIR_IN); i < MAX_ENDPOINTS; i++) { | |
1495 | dev->endpoint[i].bulk_receiving_enabled = 0; | |
1496 | } | |
1497 | for (i = 0; i < dev->interface_info.interface_count; i++) { | |
1498 | quirks = usb_get_quirks(dev->device_info.vendor_id, | |
1499 | dev->device_info.product_id, | |
1500 | dev->interface_info.interface_class[i], | |
1501 | dev->interface_info.interface_subclass[i], | |
1502 | dev->interface_info.interface_protocol[i]); | |
1503 | if (!(quirks & USB_QUIRK_BUFFER_BULK_IN)) { | |
1504 | continue; | |
1505 | } | |
1506 | if (quirks & USB_QUIRK_IS_FTDI) { | |
1507 | dev->buffered_bulk_in_complete = | |
1508 | usbredir_buffered_bulk_in_complete_ftdi; | |
1509 | } else { | |
1510 | dev->buffered_bulk_in_complete = | |
1511 | usbredir_buffered_bulk_in_complete_raw; | |
1512 | } | |
1513 | ||
1514 | for (j = EP2I(USB_DIR_IN); j < MAX_ENDPOINTS; j++) { | |
1515 | if (dev->endpoint[j].interface == | |
1516 | dev->interface_info.interface[i] && | |
1517 | dev->endpoint[j].type == USB_ENDPOINT_XFER_BULK && | |
1518 | dev->endpoint[j].max_packet_size != 0) { | |
1519 | dev->endpoint[j].bulk_receiving_enabled = 1; | |
1520 | /* | |
1521 | * With buffering pipelining is not necessary. Also packet | |
1522 | * combining and bulk in buffering don't play nice together! | |
1523 | */ | |
1524 | I2USBEP(dev, j)->pipeline = false; | |
1525 | break; /* Only buffer for the first ep of each intf */ | |
1526 | } | |
1527 | } | |
1528 | } | |
1529 | } | |
1530 | ||
69354a83 HG |
1531 | /* |
1532 | * usbredirparser packet complete callbacks | |
1533 | */ | |
1534 | ||
9a77a0f5 HG |
1535 | static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p, |
1536 | int status) | |
69354a83 HG |
1537 | { |
1538 | switch (status) { | |
1539 | case usb_redir_success: | |
9a77a0f5 HG |
1540 | p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */ |
1541 | break; | |
69354a83 | 1542 | case usb_redir_stall: |
9a77a0f5 HG |
1543 | p->status = USB_RET_STALL; |
1544 | break; | |
69354a83 | 1545 | case usb_redir_cancelled: |
18113340 HG |
1546 | /* |
1547 | * When the usbredir-host unredirects a device, it will report a status | |
1548 | * of cancelled for all pending packets, followed by a disconnect msg. | |
1549 | */ | |
9a77a0f5 HG |
1550 | p->status = USB_RET_IOERROR; |
1551 | break; | |
69354a83 | 1552 | case usb_redir_inval: |
d61000a8 | 1553 | WARNING("got invalid param error from usb-host?\n"); |
9a77a0f5 HG |
1554 | p->status = USB_RET_IOERROR; |
1555 | break; | |
adae502c | 1556 | case usb_redir_babble: |
9a77a0f5 HG |
1557 | p->status = USB_RET_BABBLE; |
1558 | break; | |
69354a83 HG |
1559 | case usb_redir_ioerror: |
1560 | case usb_redir_timeout: | |
1561 | default: | |
9a77a0f5 | 1562 | p->status = USB_RET_IOERROR; |
69354a83 HG |
1563 | } |
1564 | } | |
1565 | ||
097a66ef HG |
1566 | static void usbredir_hello(void *priv, struct usb_redir_hello_header *h) |
1567 | { | |
1568 | USBRedirDevice *dev = priv; | |
1569 | ||
1570 | /* Try to send the filter info now that we've the usb-host's caps */ | |
1571 | if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter) && | |
1572 | dev->filter_rules) { | |
1573 | usbredirparser_send_filter_filter(dev->parser, dev->filter_rules, | |
1574 | dev->filter_rules_count); | |
1575 | usbredirparser_do_write(dev->parser); | |
1576 | } | |
1577 | } | |
1578 | ||
69354a83 HG |
1579 | static void usbredir_device_connect(void *priv, |
1580 | struct usb_redir_device_connect_header *device_connect) | |
1581 | { | |
1582 | USBRedirDevice *dev = priv; | |
6af16589 | 1583 | const char *speed; |
69354a83 | 1584 | |
e93379b0 | 1585 | if (timer_pending(dev->attach_timer) || dev->dev.attached) { |
99f08100 HG |
1586 | ERROR("Received device connect while already connected\n"); |
1587 | return; | |
1588 | } | |
1589 | ||
69354a83 HG |
1590 | switch (device_connect->speed) { |
1591 | case usb_redir_speed_low: | |
6af16589 | 1592 | speed = "low speed"; |
69354a83 | 1593 | dev->dev.speed = USB_SPEED_LOW; |
cdfd3530 | 1594 | dev->compatible_speedmask &= ~USB_SPEED_MASK_FULL; |
95a59dc0 | 1595 | dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH; |
69354a83 HG |
1596 | break; |
1597 | case usb_redir_speed_full: | |
6af16589 | 1598 | speed = "full speed"; |
69354a83 | 1599 | dev->dev.speed = USB_SPEED_FULL; |
95a59dc0 | 1600 | dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH; |
69354a83 HG |
1601 | break; |
1602 | case usb_redir_speed_high: | |
6af16589 | 1603 | speed = "high speed"; |
69354a83 HG |
1604 | dev->dev.speed = USB_SPEED_HIGH; |
1605 | break; | |
1606 | case usb_redir_speed_super: | |
6af16589 | 1607 | speed = "super speed"; |
69354a83 HG |
1608 | dev->dev.speed = USB_SPEED_SUPER; |
1609 | break; | |
1610 | default: | |
6af16589 | 1611 | speed = "unknown speed"; |
69354a83 HG |
1612 | dev->dev.speed = USB_SPEED_FULL; |
1613 | } | |
6af16589 HG |
1614 | |
1615 | if (usbredirparser_peer_has_cap(dev->parser, | |
1616 | usb_redir_cap_connect_device_version)) { | |
1617 | INFO("attaching %s device %04x:%04x version %d.%d class %02x\n", | |
1618 | speed, device_connect->vendor_id, device_connect->product_id, | |
52234bc0 HG |
1619 | ((device_connect->device_version_bcd & 0xf000) >> 12) * 10 + |
1620 | ((device_connect->device_version_bcd & 0x0f00) >> 8), | |
1621 | ((device_connect->device_version_bcd & 0x00f0) >> 4) * 10 + | |
1622 | ((device_connect->device_version_bcd & 0x000f) >> 0), | |
6af16589 HG |
1623 | device_connect->device_class); |
1624 | } else { | |
1625 | INFO("attaching %s device %04x:%04x class %02x\n", speed, | |
1626 | device_connect->vendor_id, device_connect->product_id, | |
1627 | device_connect->device_class); | |
1628 | } | |
1629 | ||
cdfd3530 | 1630 | dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask; |
6af16589 HG |
1631 | dev->device_info = *device_connect; |
1632 | ||
1633 | if (usbredir_check_filter(dev)) { | |
1634 | WARNING("Device %04x:%04x rejected by device filter, not attaching\n", | |
1635 | device_connect->vendor_id, device_connect->product_id); | |
1636 | return; | |
1637 | } | |
1638 | ||
b2d1fe67 | 1639 | usbredir_check_bulk_receiving(dev); |
bc72ad67 | 1640 | timer_mod(dev->attach_timer, dev->next_attach_time); |
69354a83 HG |
1641 | } |
1642 | ||
1643 | static void usbredir_device_disconnect(void *priv) | |
1644 | { | |
1645 | USBRedirDevice *dev = priv; | |
1646 | ||
1647 | /* Stop any pending attaches */ | |
bc72ad67 | 1648 | timer_del(dev->attach_timer); |
69354a83 HG |
1649 | |
1650 | if (dev->dev.attached) { | |
09054d19 | 1651 | DPRINTF("detaching device\n"); |
69354a83 | 1652 | usb_device_detach(&dev->dev); |
69354a83 HG |
1653 | /* |
1654 | * Delay next usb device attach to give the guest a chance to see | |
1655 | * see the detach / attach in case of quick close / open succession | |
1656 | */ | |
bc72ad67 | 1657 | dev->next_attach_time = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 200; |
69354a83 | 1658 | } |
99f08100 HG |
1659 | |
1660 | /* Reset state so that the next dev connected starts with a clean slate */ | |
1661 | usbredir_cleanup_device_queues(dev); | |
bd019b73 | 1662 | usbredir_init_endpoints(dev); |
1510168e | 1663 | dev->interface_info.interface_count = NO_INTERFACE_INFO; |
a0625c56 HG |
1664 | dev->dev.addr = 0; |
1665 | dev->dev.speed = 0; | |
95a59dc0 | 1666 | dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH; |
69354a83 HG |
1667 | } |
1668 | ||
1669 | static void usbredir_interface_info(void *priv, | |
1670 | struct usb_redir_interface_info_header *interface_info) | |
1671 | { | |
6af16589 HG |
1672 | USBRedirDevice *dev = priv; |
1673 | ||
1674 | dev->interface_info = *interface_info; | |
1675 | ||
1676 | /* | |
1677 | * If we receive interface info after the device has already been | |
b2d1fe67 | 1678 | * connected (ie on a set_config), re-check interface dependent things. |
6af16589 | 1679 | */ |
e93379b0 | 1680 | if (timer_pending(dev->attach_timer) || dev->dev.attached) { |
b2d1fe67 | 1681 | usbredir_check_bulk_receiving(dev); |
6af16589 HG |
1682 | if (usbredir_check_filter(dev)) { |
1683 | ERROR("Device no longer matches filter after interface info " | |
1684 | "change, disconnecting!\n"); | |
6af16589 HG |
1685 | } |
1686 | } | |
69354a83 HG |
1687 | } |
1688 | ||
cdfd3530 JK |
1689 | static void usbredir_mark_speed_incompatible(USBRedirDevice *dev, int speed) |
1690 | { | |
1691 | dev->compatible_speedmask &= ~(1 << speed); | |
1692 | dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask; | |
1693 | } | |
1694 | ||
6ba43f1f HG |
1695 | static void usbredir_set_pipeline(USBRedirDevice *dev, struct USBEndpoint *uep) |
1696 | { | |
1697 | if (uep->type != USB_ENDPOINT_XFER_BULK) { | |
1698 | return; | |
1699 | } | |
1700 | if (uep->pid == USB_TOKEN_OUT) { | |
1701 | uep->pipeline = true; | |
1702 | } | |
1b36c4d8 HG |
1703 | if (uep->pid == USB_TOKEN_IN && uep->max_packet_size != 0 && |
1704 | usbredirparser_peer_has_cap(dev->parser, | |
1705 | usb_redir_cap_32bits_bulk_length)) { | |
1706 | uep->pipeline = true; | |
1707 | } | |
6ba43f1f HG |
1708 | } |
1709 | ||
7e03d178 HG |
1710 | static void usbredir_setup_usb_eps(USBRedirDevice *dev) |
1711 | { | |
1712 | struct USBEndpoint *usb_ep; | |
7e9638d3 | 1713 | int i; |
7e03d178 HG |
1714 | |
1715 | for (i = 0; i < MAX_ENDPOINTS; i++) { | |
7e9638d3 | 1716 | usb_ep = I2USBEP(dev, i); |
7e03d178 HG |
1717 | usb_ep->type = dev->endpoint[i].type; |
1718 | usb_ep->ifnum = dev->endpoint[i].interface; | |
1719 | usb_ep->max_packet_size = dev->endpoint[i].max_packet_size; | |
19e83931 | 1720 | usb_ep->max_streams = dev->endpoint[i].max_streams; |
7e03d178 HG |
1721 | usbredir_set_pipeline(dev, usb_ep); |
1722 | } | |
1723 | } | |
1724 | ||
69354a83 HG |
1725 | static void usbredir_ep_info(void *priv, |
1726 | struct usb_redir_ep_info_header *ep_info) | |
1727 | { | |
1728 | USBRedirDevice *dev = priv; | |
1729 | int i; | |
1730 | ||
1731 | for (i = 0; i < MAX_ENDPOINTS; i++) { | |
1732 | dev->endpoint[i].type = ep_info->type[i]; | |
1733 | dev->endpoint[i].interval = ep_info->interval[i]; | |
1734 | dev->endpoint[i].interface = ep_info->interface[i]; | |
7e03d178 HG |
1735 | if (usbredirparser_peer_has_cap(dev->parser, |
1736 | usb_redir_cap_ep_info_max_packet_size)) { | |
1737 | dev->endpoint[i].max_packet_size = ep_info->max_packet_size[i]; | |
1738 | } | |
19e83931 HG |
1739 | #if USBREDIR_VERSION >= 0x000700 |
1740 | if (usbredirparser_peer_has_cap(dev->parser, | |
1741 | usb_redir_cap_bulk_streams)) { | |
1742 | dev->endpoint[i].max_streams = ep_info->max_streams[i]; | |
1743 | } | |
1744 | #endif | |
e8a7dd29 HG |
1745 | switch (dev->endpoint[i].type) { |
1746 | case usb_redir_type_invalid: | |
1747 | break; | |
1748 | case usb_redir_type_iso: | |
cdfd3530 | 1749 | usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL); |
95a59dc0 | 1750 | usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH); |
cdfd3530 | 1751 | /* Fall through */ |
e8a7dd29 | 1752 | case usb_redir_type_interrupt: |
cdfd3530 JK |
1753 | if (!usbredirparser_peer_has_cap(dev->parser, |
1754 | usb_redir_cap_ep_info_max_packet_size) || | |
1755 | ep_info->max_packet_size[i] > 64) { | |
1756 | usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL); | |
1757 | } | |
95a59dc0 HG |
1758 | if (!usbredirparser_peer_has_cap(dev->parser, |
1759 | usb_redir_cap_ep_info_max_packet_size) || | |
1760 | ep_info->max_packet_size[i] > 1024) { | |
1761 | usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH); | |
1762 | } | |
e8a7dd29 HG |
1763 | if (dev->endpoint[i].interval == 0) { |
1764 | ERROR("Received 0 interval for isoc or irq endpoint\n"); | |
24ac283a HG |
1765 | usbredir_reject_device(dev); |
1766 | return; | |
e8a7dd29 HG |
1767 | } |
1768 | /* Fall through */ | |
1769 | case usb_redir_type_control: | |
1770 | case usb_redir_type_bulk: | |
69354a83 HG |
1771 | DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i), |
1772 | dev->endpoint[i].type, dev->endpoint[i].interface); | |
e8a7dd29 HG |
1773 | break; |
1774 | default: | |
1775 | ERROR("Received invalid endpoint type\n"); | |
24ac283a | 1776 | usbredir_reject_device(dev); |
0454b611 | 1777 | return; |
69354a83 HG |
1778 | } |
1779 | } | |
cdfd3530 JK |
1780 | /* The new ep info may have caused a speed incompatibility, recheck */ |
1781 | if (dev->dev.attached && | |
1782 | !(dev->dev.port->speedmask & dev->dev.speedmask)) { | |
1783 | ERROR("Device no longer matches speed after endpoint info change, " | |
1784 | "disconnecting!\n"); | |
1785 | usbredir_reject_device(dev); | |
1786 | return; | |
1787 | } | |
7e03d178 | 1788 | usbredir_setup_usb_eps(dev); |
b2d1fe67 | 1789 | usbredir_check_bulk_receiving(dev); |
69354a83 HG |
1790 | } |
1791 | ||
be4a8928 | 1792 | static void usbredir_configuration_status(void *priv, uint64_t id, |
69354a83 HG |
1793 | struct usb_redir_configuration_status_header *config_status) |
1794 | { | |
1795 | USBRedirDevice *dev = priv; | |
de550a6a | 1796 | USBPacket *p; |
69354a83 | 1797 | |
be4a8928 HG |
1798 | DPRINTF("set config status %d config %d id %"PRIu64"\n", |
1799 | config_status->status, config_status->configuration, id); | |
69354a83 | 1800 | |
de550a6a HG |
1801 | p = usbredir_find_packet_by_id(dev, 0, id); |
1802 | if (p) { | |
cb897117 | 1803 | if (dev->dev.setup_buf[0] & USB_DIR_IN) { |
69354a83 | 1804 | dev->dev.data_buf[0] = config_status->configuration; |
9a77a0f5 | 1805 | p->actual_length = 1; |
69354a83 | 1806 | } |
9a77a0f5 | 1807 | usbredir_handle_status(dev, p, config_status->status); |
de550a6a | 1808 | usb_generic_async_ctrl_complete(&dev->dev, p); |
69354a83 | 1809 | } |
69354a83 HG |
1810 | } |
1811 | ||
be4a8928 | 1812 | static void usbredir_alt_setting_status(void *priv, uint64_t id, |
69354a83 HG |
1813 | struct usb_redir_alt_setting_status_header *alt_setting_status) |
1814 | { | |
1815 | USBRedirDevice *dev = priv; | |
de550a6a | 1816 | USBPacket *p; |
69354a83 | 1817 | |
be4a8928 HG |
1818 | DPRINTF("alt status %d intf %d alt %d id: %"PRIu64"\n", |
1819 | alt_setting_status->status, alt_setting_status->interface, | |
69354a83 HG |
1820 | alt_setting_status->alt, id); |
1821 | ||
de550a6a HG |
1822 | p = usbredir_find_packet_by_id(dev, 0, id); |
1823 | if (p) { | |
cb897117 | 1824 | if (dev->dev.setup_buf[0] & USB_DIR_IN) { |
69354a83 | 1825 | dev->dev.data_buf[0] = alt_setting_status->alt; |
9a77a0f5 | 1826 | p->actual_length = 1; |
69354a83 | 1827 | } |
9a77a0f5 | 1828 | usbredir_handle_status(dev, p, alt_setting_status->status); |
de550a6a | 1829 | usb_generic_async_ctrl_complete(&dev->dev, p); |
69354a83 | 1830 | } |
69354a83 HG |
1831 | } |
1832 | ||
be4a8928 | 1833 | static void usbredir_iso_stream_status(void *priv, uint64_t id, |
69354a83 HG |
1834 | struct usb_redir_iso_stream_status_header *iso_stream_status) |
1835 | { | |
1836 | USBRedirDevice *dev = priv; | |
1837 | uint8_t ep = iso_stream_status->endpoint; | |
1838 | ||
be4a8928 | 1839 | DPRINTF("iso status %d ep %02X id %"PRIu64"\n", iso_stream_status->status, |
69354a83 HG |
1840 | ep, id); |
1841 | ||
2bd836e5 | 1842 | if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].iso_started) { |
99f08100 HG |
1843 | return; |
1844 | } | |
1845 | ||
69354a83 HG |
1846 | dev->endpoint[EP2I(ep)].iso_error = iso_stream_status->status; |
1847 | if (iso_stream_status->status == usb_redir_stall) { | |
1848 | DPRINTF("iso stream stopped by peer ep %02X\n", ep); | |
1849 | dev->endpoint[EP2I(ep)].iso_started = 0; | |
1850 | } | |
1851 | } | |
1852 | ||
be4a8928 | 1853 | static void usbredir_interrupt_receiving_status(void *priv, uint64_t id, |
69354a83 HG |
1854 | struct usb_redir_interrupt_receiving_status_header |
1855 | *interrupt_receiving_status) | |
1856 | { | |
1857 | USBRedirDevice *dev = priv; | |
1858 | uint8_t ep = interrupt_receiving_status->endpoint; | |
1859 | ||
be4a8928 | 1860 | DPRINTF("interrupt recv status %d ep %02X id %"PRIu64"\n", |
69354a83 HG |
1861 | interrupt_receiving_status->status, ep, id); |
1862 | ||
2bd836e5 | 1863 | if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].interrupt_started) { |
99f08100 HG |
1864 | return; |
1865 | } | |
1866 | ||
69354a83 HG |
1867 | dev->endpoint[EP2I(ep)].interrupt_error = |
1868 | interrupt_receiving_status->status; | |
1869 | if (interrupt_receiving_status->status == usb_redir_stall) { | |
1870 | DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep); | |
1871 | dev->endpoint[EP2I(ep)].interrupt_started = 0; | |
1872 | } | |
1873 | } | |
1874 | ||
be4a8928 | 1875 | static void usbredir_bulk_streams_status(void *priv, uint64_t id, |
69354a83 HG |
1876 | struct usb_redir_bulk_streams_status_header *bulk_streams_status) |
1877 | { | |
19e83931 HG |
1878 | #if USBREDIR_VERSION >= 0x000700 |
1879 | USBRedirDevice *dev = priv; | |
1880 | ||
1881 | if (bulk_streams_status->status == usb_redir_success) { | |
1882 | DPRINTF("bulk streams status %d eps %08x\n", | |
1883 | bulk_streams_status->status, bulk_streams_status->endpoints); | |
1884 | } else { | |
1885 | ERROR("bulk streams %s failed status %d eps %08x\n", | |
1886 | (bulk_streams_status->no_streams == 0) ? "free" : "alloc", | |
1887 | bulk_streams_status->status, bulk_streams_status->endpoints); | |
1888 | ERROR("usb-redir-host does not provide streams, disconnecting\n"); | |
1889 | usbredir_reject_device(dev); | |
1890 | } | |
1891 | #endif | |
69354a83 HG |
1892 | } |
1893 | ||
b2d1fe67 HG |
1894 | static void usbredir_bulk_receiving_status(void *priv, uint64_t id, |
1895 | struct usb_redir_bulk_receiving_status_header *bulk_receiving_status) | |
1896 | { | |
1897 | USBRedirDevice *dev = priv; | |
1898 | uint8_t ep = bulk_receiving_status->endpoint; | |
1899 | ||
1900 | DPRINTF("bulk recv status %d ep %02X id %"PRIu64"\n", | |
1901 | bulk_receiving_status->status, ep, id); | |
1902 | ||
1903 | if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].bulk_receiving_started) { | |
1904 | return; | |
1905 | } | |
1906 | ||
1907 | if (bulk_receiving_status->status == usb_redir_stall) { | |
1908 | DPRINTF("bulk receiving stopped by peer ep %02X\n", ep); | |
1909 | dev->endpoint[EP2I(ep)].bulk_receiving_started = 0; | |
1910 | } | |
1911 | } | |
1912 | ||
be4a8928 | 1913 | static void usbredir_control_packet(void *priv, uint64_t id, |
69354a83 HG |
1914 | struct usb_redir_control_packet_header *control_packet, |
1915 | uint8_t *data, int data_len) | |
1916 | { | |
1917 | USBRedirDevice *dev = priv; | |
de550a6a | 1918 | USBPacket *p; |
69354a83 | 1919 | int len = control_packet->length; |
69354a83 | 1920 | |
be4a8928 | 1921 | DPRINTF("ctrl-in status %d len %d id %"PRIu64"\n", control_packet->status, |
69354a83 HG |
1922 | len, id); |
1923 | ||
95a59dc0 HG |
1924 | /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices |
1925 | * to work redirected to a not superspeed capable hcd */ | |
1926 | if (dev->dev.speed == USB_SPEED_SUPER && | |
1927 | !((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER)) && | |
1928 | control_packet->requesttype == 0x80 && | |
1929 | control_packet->request == 6 && | |
1930 | control_packet->value == 0x100 && control_packet->index == 0 && | |
1931 | data_len >= 18 && data[7] == 9) { | |
1932 | data[7] = 64; | |
1933 | } | |
1934 | ||
de550a6a HG |
1935 | p = usbredir_find_packet_by_id(dev, 0, id); |
1936 | if (p) { | |
9a77a0f5 | 1937 | usbredir_handle_status(dev, p, control_packet->status); |
e94ca437 | 1938 | if (data_len > 0) { |
69354a83 | 1939 | usbredir_log_data(dev, "ctrl data in:", data, data_len); |
e94ca437 | 1940 | if (data_len > sizeof(dev->dev.data_buf)) { |
69354a83 HG |
1941 | ERROR("ctrl buffer too small (%d > %zu)\n", |
1942 | data_len, sizeof(dev->dev.data_buf)); | |
9a77a0f5 | 1943 | p->status = USB_RET_STALL; |
e94ca437 | 1944 | data_len = len = sizeof(dev->dev.data_buf); |
69354a83 | 1945 | } |
e94ca437 | 1946 | memcpy(dev->dev.data_buf, data, data_len); |
69354a83 | 1947 | } |
9a77a0f5 | 1948 | p->actual_length = len; |
de550a6a | 1949 | usb_generic_async_ctrl_complete(&dev->dev, p); |
69354a83 | 1950 | } |
69354a83 HG |
1951 | free(data); |
1952 | } | |
1953 | ||
be4a8928 | 1954 | static void usbredir_bulk_packet(void *priv, uint64_t id, |
69354a83 HG |
1955 | struct usb_redir_bulk_packet_header *bulk_packet, |
1956 | uint8_t *data, int data_len) | |
1957 | { | |
1958 | USBRedirDevice *dev = priv; | |
1959 | uint8_t ep = bulk_packet->endpoint; | |
c19a7981 | 1960 | int len = (bulk_packet->length_high << 16) | bulk_packet->length; |
de550a6a | 1961 | USBPacket *p; |
69354a83 | 1962 | |
19e83931 HG |
1963 | DPRINTF("bulk-in status %d ep %02X stream %u len %d id %"PRIu64"\n", |
1964 | bulk_packet->status, ep, bulk_packet->stream_id, len, id); | |
69354a83 | 1965 | |
de550a6a HG |
1966 | p = usbredir_find_packet_by_id(dev, ep, id); |
1967 | if (p) { | |
6ef3ccd1 | 1968 | size_t size = usb_packet_size(p); |
9a77a0f5 | 1969 | usbredir_handle_status(dev, p, bulk_packet->status); |
e94ca437 | 1970 | if (data_len > 0) { |
69354a83 | 1971 | usbredir_log_data(dev, "bulk data in:", data, data_len); |
e94ca437 | 1972 | if (data_len > size) { |
2979a361 HG |
1973 | ERROR("bulk got more data then requested (%d > %zd)\n", |
1974 | data_len, p->iov.size); | |
9a77a0f5 | 1975 | p->status = USB_RET_BABBLE; |
e94ca437 HG |
1976 | data_len = len = size; |
1977 | } | |
6ef3ccd1 | 1978 | usb_packet_copy(p, data, data_len); |
69354a83 | 1979 | } |
9a77a0f5 | 1980 | p->actual_length = len; |
1b36c4d8 HG |
1981 | if (p->pid == USB_TOKEN_IN && p->ep->pipeline) { |
1982 | usb_combined_input_packet_complete(&dev->dev, p); | |
1983 | } else { | |
1984 | usb_packet_complete(&dev->dev, p); | |
1985 | } | |
69354a83 | 1986 | } |
69354a83 HG |
1987 | free(data); |
1988 | } | |
1989 | ||
be4a8928 | 1990 | static void usbredir_iso_packet(void *priv, uint64_t id, |
69354a83 HG |
1991 | struct usb_redir_iso_packet_header *iso_packet, |
1992 | uint8_t *data, int data_len) | |
1993 | { | |
1994 | USBRedirDevice *dev = priv; | |
1995 | uint8_t ep = iso_packet->endpoint; | |
1996 | ||
be4a8928 HG |
1997 | DPRINTF2("iso-in status %d ep %02X len %d id %"PRIu64"\n", |
1998 | iso_packet->status, ep, data_len, id); | |
69354a83 HG |
1999 | |
2000 | if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_ISOC) { | |
2001 | ERROR("received iso packet for non iso endpoint %02X\n", ep); | |
2002 | free(data); | |
2003 | return; | |
2004 | } | |
2005 | ||
2006 | if (dev->endpoint[EP2I(ep)].iso_started == 0) { | |
2007 | DPRINTF("received iso packet for non started stream ep %02X\n", ep); | |
2008 | free(data); | |
2009 | return; | |
2010 | } | |
2011 | ||
2012 | /* bufp_alloc also adds the packet to the ep queue */ | |
b2d1fe67 | 2013 | bufp_alloc(dev, data, data_len, iso_packet->status, ep, data); |
69354a83 HG |
2014 | } |
2015 | ||
be4a8928 | 2016 | static void usbredir_interrupt_packet(void *priv, uint64_t id, |
69354a83 HG |
2017 | struct usb_redir_interrupt_packet_header *interrupt_packet, |
2018 | uint8_t *data, int data_len) | |
2019 | { | |
2020 | USBRedirDevice *dev = priv; | |
2021 | uint8_t ep = interrupt_packet->endpoint; | |
2022 | ||
be4a8928 | 2023 | DPRINTF("interrupt-in status %d ep %02X len %d id %"PRIu64"\n", |
69354a83 HG |
2024 | interrupt_packet->status, ep, data_len, id); |
2025 | ||
2026 | if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_INT) { | |
2027 | ERROR("received int packet for non interrupt endpoint %02X\n", ep); | |
2028 | free(data); | |
2029 | return; | |
2030 | } | |
2031 | ||
2032 | if (ep & USB_DIR_IN) { | |
d5c42857 HG |
2033 | bool q_was_empty; |
2034 | ||
69354a83 HG |
2035 | if (dev->endpoint[EP2I(ep)].interrupt_started == 0) { |
2036 | DPRINTF("received int packet while not started ep %02X\n", ep); | |
2037 | free(data); | |
2038 | return; | |
2039 | } | |
2040 | ||
d5c42857 | 2041 | q_was_empty = QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq); |
8beba930 | 2042 | |
69354a83 | 2043 | /* bufp_alloc also adds the packet to the ep queue */ |
b2d1fe67 | 2044 | bufp_alloc(dev, data, data_len, interrupt_packet->status, ep, data); |
d5c42857 HG |
2045 | |
2046 | if (q_was_empty) { | |
2047 | usb_wakeup(usb_ep_get(&dev->dev, USB_TOKEN_IN, ep & 0x0f), 0); | |
2048 | } | |
69354a83 | 2049 | } else { |
723aedd5 HG |
2050 | /* |
2051 | * We report output interrupt packets as completed directly upon | |
2052 | * submission, so all we can do here if one failed is warn. | |
2053 | */ | |
2054 | if (interrupt_packet->status) { | |
2055 | WARNING("interrupt output failed status %d ep %02X id %"PRIu64"\n", | |
2056 | interrupt_packet->status, ep, id); | |
69354a83 | 2057 | } |
69354a83 HG |
2058 | } |
2059 | } | |
2060 | ||
b2d1fe67 HG |
2061 | static void usbredir_buffered_bulk_packet(void *priv, uint64_t id, |
2062 | struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet, | |
2063 | uint8_t *data, int data_len) | |
2064 | { | |
2065 | USBRedirDevice *dev = priv; | |
2066 | uint8_t status, ep = buffered_bulk_packet->endpoint; | |
2067 | void *free_on_destroy; | |
2068 | int i, len; | |
2069 | ||
2070 | DPRINTF("buffered-bulk-in status %d ep %02X len %d id %"PRIu64"\n", | |
2071 | buffered_bulk_packet->status, ep, data_len, id); | |
2072 | ||
2073 | if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_BULK) { | |
2074 | ERROR("received buffered-bulk packet for non bulk ep %02X\n", ep); | |
2075 | free(data); | |
2076 | return; | |
2077 | } | |
2078 | ||
2079 | if (dev->endpoint[EP2I(ep)].bulk_receiving_started == 0) { | |
2080 | DPRINTF("received buffered-bulk packet on not started ep %02X\n", ep); | |
2081 | free(data); | |
2082 | return; | |
2083 | } | |
2084 | ||
2085 | /* Data must be in maxp chunks for buffered_bulk_add_*_data_to_packet */ | |
2086 | len = dev->endpoint[EP2I(ep)].max_packet_size; | |
2087 | status = usb_redir_success; | |
2088 | free_on_destroy = NULL; | |
2089 | for (i = 0; i < data_len; i += len) { | |
e8ce12d9 | 2090 | int r; |
b2d1fe67 HG |
2091 | if (len >= (data_len - i)) { |
2092 | len = data_len - i; | |
2093 | status = buffered_bulk_packet->status; | |
2094 | free_on_destroy = data; | |
2095 | } | |
2096 | /* bufp_alloc also adds the packet to the ep queue */ | |
e8ce12d9 FZ |
2097 | r = bufp_alloc(dev, data + i, len, status, ep, free_on_destroy); |
2098 | if (r) { | |
2099 | break; | |
2100 | } | |
b2d1fe67 HG |
2101 | } |
2102 | ||
2103 | if (dev->endpoint[EP2I(ep)].pending_async_packet) { | |
2104 | USBPacket *p = dev->endpoint[EP2I(ep)].pending_async_packet; | |
2105 | dev->endpoint[EP2I(ep)].pending_async_packet = NULL; | |
2106 | usbredir_buffered_bulk_in_complete(dev, p, ep); | |
2107 | usb_packet_complete(&dev->dev, p); | |
2108 | } | |
2109 | } | |
2110 | ||
fc3f6e1b HG |
2111 | /* |
2112 | * Migration code | |
2113 | */ | |
2114 | ||
44b1ff31 | 2115 | static int usbredir_pre_save(void *priv) |
fc3f6e1b HG |
2116 | { |
2117 | USBRedirDevice *dev = priv; | |
2118 | ||
2119 | usbredir_fill_already_in_flight(dev); | |
44b1ff31 DDAG |
2120 | |
2121 | return 0; | |
fc3f6e1b HG |
2122 | } |
2123 | ||
2124 | static int usbredir_post_load(void *priv, int version_id) | |
2125 | { | |
2126 | USBRedirDevice *dev = priv; | |
fc3f6e1b | 2127 | |
3713e148 HG |
2128 | if (dev->parser == NULL) { |
2129 | return 0; | |
2130 | } | |
2131 | ||
fc3f6e1b HG |
2132 | switch (dev->device_info.speed) { |
2133 | case usb_redir_speed_low: | |
2134 | dev->dev.speed = USB_SPEED_LOW; | |
2135 | break; | |
2136 | case usb_redir_speed_full: | |
2137 | dev->dev.speed = USB_SPEED_FULL; | |
2138 | break; | |
2139 | case usb_redir_speed_high: | |
2140 | dev->dev.speed = USB_SPEED_HIGH; | |
2141 | break; | |
2142 | case usb_redir_speed_super: | |
2143 | dev->dev.speed = USB_SPEED_SUPER; | |
2144 | break; | |
2145 | default: | |
2146 | dev->dev.speed = USB_SPEED_FULL; | |
2147 | } | |
2148 | dev->dev.speedmask = (1 << dev->dev.speed); | |
2149 | ||
7e03d178 | 2150 | usbredir_setup_usb_eps(dev); |
b2d1fe67 | 2151 | usbredir_check_bulk_receiving(dev); |
7e03d178 | 2152 | |
fc3f6e1b HG |
2153 | return 0; |
2154 | } | |
2155 | ||
2156 | /* For usbredirparser migration */ | |
2c21ee76 JD |
2157 | static int usbredir_put_parser(QEMUFile *f, void *priv, size_t unused, |
2158 | VMStateField *field, QJSON *vmdesc) | |
fc3f6e1b HG |
2159 | { |
2160 | USBRedirDevice *dev = priv; | |
2161 | uint8_t *data; | |
2162 | int len; | |
2163 | ||
2164 | if (dev->parser == NULL) { | |
2165 | qemu_put_be32(f, 0); | |
2c21ee76 | 2166 | return 0; |
fc3f6e1b HG |
2167 | } |
2168 | ||
2169 | usbredirparser_serialize(dev->parser, &data, &len); | |
2170 | qemu_oom_check(data); | |
2171 | ||
2172 | qemu_put_be32(f, len); | |
2173 | qemu_put_buffer(f, data, len); | |
2174 | ||
2175 | free(data); | |
2c21ee76 JD |
2176 | |
2177 | return 0; | |
fc3f6e1b HG |
2178 | } |
2179 | ||
2c21ee76 JD |
2180 | static int usbredir_get_parser(QEMUFile *f, void *priv, size_t unused, |
2181 | VMStateField *field) | |
fc3f6e1b HG |
2182 | { |
2183 | USBRedirDevice *dev = priv; | |
2184 | uint8_t *data; | |
2185 | int len, ret; | |
2186 | ||
2187 | len = qemu_get_be32(f); | |
2188 | if (len == 0) { | |
2189 | return 0; | |
2190 | } | |
2191 | ||
2192 | /* | |
5c16f767 HG |
2193 | * If our chardev is not open already at this point the usbredir connection |
2194 | * has been broken (non seamless migration, or restore from disk). | |
2195 | * | |
2196 | * In this case create a temporary parser to receive the migration data, | |
2197 | * and schedule the close_bh to report the device as disconnected to the | |
2198 | * guest and to destroy the parser again. | |
fc3f6e1b HG |
2199 | */ |
2200 | if (dev->parser == NULL) { | |
5c16f767 HG |
2201 | WARNING("usb-redir connection broken during migration\n"); |
2202 | usbredir_create_parser(dev); | |
2203 | qemu_bh_schedule(dev->chardev_close_bh); | |
fc3f6e1b HG |
2204 | } |
2205 | ||
2206 | data = g_malloc(len); | |
2207 | qemu_get_buffer(f, data, len); | |
2208 | ||
2209 | ret = usbredirparser_unserialize(dev->parser, data, len); | |
2210 | ||
2211 | g_free(data); | |
2212 | ||
2213 | return ret; | |
2214 | } | |
2215 | ||
2216 | static const VMStateInfo usbredir_parser_vmstate_info = { | |
2217 | .name = "usb-redir-parser", | |
2218 | .put = usbredir_put_parser, | |
2219 | .get = usbredir_get_parser, | |
2220 | }; | |
2221 | ||
2222 | ||
2223 | /* For buffered packets (iso/irq) queue migration */ | |
2c21ee76 JD |
2224 | static int usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused, |
2225 | VMStateField *field, QJSON *vmdesc) | |
fc3f6e1b HG |
2226 | { |
2227 | struct endp_data *endp = priv; | |
e97f0aca | 2228 | USBRedirDevice *dev = endp->dev; |
fc3f6e1b | 2229 | struct buf_packet *bufp; |
b2d1fe67 | 2230 | int len, i = 0; |
fc3f6e1b HG |
2231 | |
2232 | qemu_put_be32(f, endp->bufpq_size); | |
2233 | QTAILQ_FOREACH(bufp, &endp->bufpq, next) { | |
b2d1fe67 | 2234 | len = bufp->len - bufp->offset; |
e97f0aca | 2235 | DPRINTF("put_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size, |
b2d1fe67 HG |
2236 | len, bufp->status); |
2237 | qemu_put_be32(f, len); | |
fc3f6e1b | 2238 | qemu_put_be32(f, bufp->status); |
b2d1fe67 | 2239 | qemu_put_buffer(f, bufp->data + bufp->offset, len); |
e97f0aca | 2240 | i++; |
fc3f6e1b | 2241 | } |
e97f0aca | 2242 | assert(i == endp->bufpq_size); |
2c21ee76 JD |
2243 | |
2244 | return 0; | |
fc3f6e1b HG |
2245 | } |
2246 | ||
2c21ee76 JD |
2247 | static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused, |
2248 | VMStateField *field) | |
fc3f6e1b HG |
2249 | { |
2250 | struct endp_data *endp = priv; | |
e97f0aca | 2251 | USBRedirDevice *dev = endp->dev; |
fc3f6e1b HG |
2252 | struct buf_packet *bufp; |
2253 | int i; | |
2254 | ||
2255 | endp->bufpq_size = qemu_get_be32(f); | |
2256 | for (i = 0; i < endp->bufpq_size; i++) { | |
98f34339 | 2257 | bufp = g_new(struct buf_packet, 1); |
fc3f6e1b HG |
2258 | bufp->len = qemu_get_be32(f); |
2259 | bufp->status = qemu_get_be32(f); | |
b2d1fe67 | 2260 | bufp->offset = 0; |
fc3f6e1b | 2261 | bufp->data = qemu_oom_check(malloc(bufp->len)); /* regular malloc! */ |
b2d1fe67 | 2262 | bufp->free_on_destroy = bufp->data; |
fc3f6e1b HG |
2263 | qemu_get_buffer(f, bufp->data, bufp->len); |
2264 | QTAILQ_INSERT_TAIL(&endp->bufpq, bufp, next); | |
e97f0aca HG |
2265 | DPRINTF("get_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size, |
2266 | bufp->len, bufp->status); | |
fc3f6e1b HG |
2267 | } |
2268 | return 0; | |
2269 | } | |
2270 | ||
2271 | static const VMStateInfo usbredir_ep_bufpq_vmstate_info = { | |
2272 | .name = "usb-redir-bufpq", | |
2273 | .put = usbredir_put_bufpq, | |
2274 | .get = usbredir_get_bufpq, | |
2275 | }; | |
2276 | ||
2277 | ||
2278 | /* For endp_data migration */ | |
5cd8cada JQ |
2279 | static bool usbredir_bulk_receiving_needed(void *priv) |
2280 | { | |
2281 | struct endp_data *endp = priv; | |
2282 | ||
2283 | return endp->bulk_receiving_started; | |
2284 | } | |
2285 | ||
b2d1fe67 HG |
2286 | static const VMStateDescription usbredir_bulk_receiving_vmstate = { |
2287 | .name = "usb-redir-ep/bulk-receiving", | |
2288 | .version_id = 1, | |
2289 | .minimum_version_id = 1, | |
5cd8cada | 2290 | .needed = usbredir_bulk_receiving_needed, |
b2d1fe67 HG |
2291 | .fields = (VMStateField[]) { |
2292 | VMSTATE_UINT8(bulk_receiving_started, struct endp_data), | |
2293 | VMSTATE_END_OF_LIST() | |
2294 | } | |
2295 | }; | |
2296 | ||
5cd8cada | 2297 | static bool usbredir_stream_needed(void *priv) |
b2d1fe67 HG |
2298 | { |
2299 | struct endp_data *endp = priv; | |
2300 | ||
5cd8cada | 2301 | return endp->max_streams; |
b2d1fe67 HG |
2302 | } |
2303 | ||
19e83931 HG |
2304 | static const VMStateDescription usbredir_stream_vmstate = { |
2305 | .name = "usb-redir-ep/stream-state", | |
2306 | .version_id = 1, | |
2307 | .minimum_version_id = 1, | |
5cd8cada | 2308 | .needed = usbredir_stream_needed, |
19e83931 HG |
2309 | .fields = (VMStateField[]) { |
2310 | VMSTATE_UINT32(max_streams, struct endp_data), | |
2311 | VMSTATE_END_OF_LIST() | |
2312 | } | |
2313 | }; | |
2314 | ||
fc3f6e1b HG |
2315 | static const VMStateDescription usbredir_ep_vmstate = { |
2316 | .name = "usb-redir-ep", | |
2317 | .version_id = 1, | |
2318 | .minimum_version_id = 1, | |
2319 | .fields = (VMStateField[]) { | |
2320 | VMSTATE_UINT8(type, struct endp_data), | |
2321 | VMSTATE_UINT8(interval, struct endp_data), | |
2322 | VMSTATE_UINT8(interface, struct endp_data), | |
2323 | VMSTATE_UINT16(max_packet_size, struct endp_data), | |
2324 | VMSTATE_UINT8(iso_started, struct endp_data), | |
2325 | VMSTATE_UINT8(iso_error, struct endp_data), | |
2326 | VMSTATE_UINT8(interrupt_started, struct endp_data), | |
2327 | VMSTATE_UINT8(interrupt_error, struct endp_data), | |
2328 | VMSTATE_UINT8(bufpq_prefilled, struct endp_data), | |
2329 | VMSTATE_UINT8(bufpq_dropping_packets, struct endp_data), | |
2330 | { | |
2331 | .name = "bufpq", | |
2332 | .version_id = 0, | |
2333 | .field_exists = NULL, | |
2334 | .size = 0, | |
2335 | .info = &usbredir_ep_bufpq_vmstate_info, | |
2336 | .flags = VMS_SINGLE, | |
2337 | .offset = 0, | |
2338 | }, | |
2339 | VMSTATE_INT32(bufpq_target_size, struct endp_data), | |
2340 | VMSTATE_END_OF_LIST() | |
b2d1fe67 | 2341 | }, |
5cd8cada JQ |
2342 | .subsections = (const VMStateDescription*[]) { |
2343 | &usbredir_bulk_receiving_vmstate, | |
2344 | &usbredir_stream_vmstate, | |
2345 | NULL | |
fc3f6e1b HG |
2346 | } |
2347 | }; | |
2348 | ||
2349 | ||
2350 | /* For PacketIdQueue migration */ | |
2c21ee76 JD |
2351 | static int usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused, |
2352 | VMStateField *field, QJSON *vmdesc) | |
fc3f6e1b HG |
2353 | { |
2354 | struct PacketIdQueue *q = priv; | |
2355 | USBRedirDevice *dev = q->dev; | |
2356 | struct PacketIdQueueEntry *e; | |
2357 | int remain = q->size; | |
2358 | ||
2359 | DPRINTF("put_packet_id_q %s size %d\n", q->name, q->size); | |
2360 | qemu_put_be32(f, q->size); | |
2361 | QTAILQ_FOREACH(e, &q->head, next) { | |
2362 | qemu_put_be64(f, e->id); | |
2363 | remain--; | |
2364 | } | |
2365 | assert(remain == 0); | |
2c21ee76 JD |
2366 | |
2367 | return 0; | |
fc3f6e1b HG |
2368 | } |
2369 | ||
2c21ee76 JD |
2370 | static int usbredir_get_packet_id_q(QEMUFile *f, void *priv, size_t unused, |
2371 | VMStateField *field) | |
fc3f6e1b HG |
2372 | { |
2373 | struct PacketIdQueue *q = priv; | |
2374 | USBRedirDevice *dev = q->dev; | |
2375 | int i, size; | |
2376 | uint64_t id; | |
2377 | ||
2378 | size = qemu_get_be32(f); | |
2379 | DPRINTF("get_packet_id_q %s size %d\n", q->name, size); | |
2380 | for (i = 0; i < size; i++) { | |
2381 | id = qemu_get_be64(f); | |
2382 | packet_id_queue_add(q, id); | |
2383 | } | |
2384 | assert(q->size == size); | |
2385 | return 0; | |
2386 | } | |
2387 | ||
2388 | static const VMStateInfo usbredir_ep_packet_id_q_vmstate_info = { | |
2389 | .name = "usb-redir-packet-id-q", | |
2390 | .put = usbredir_put_packet_id_q, | |
2391 | .get = usbredir_get_packet_id_q, | |
2392 | }; | |
2393 | ||
2394 | static const VMStateDescription usbredir_ep_packet_id_queue_vmstate = { | |
2395 | .name = "usb-redir-packet-id-queue", | |
2396 | .version_id = 1, | |
2397 | .minimum_version_id = 1, | |
2398 | .fields = (VMStateField[]) { | |
2399 | { | |
2400 | .name = "queue", | |
2401 | .version_id = 0, | |
2402 | .field_exists = NULL, | |
2403 | .size = 0, | |
2404 | .info = &usbredir_ep_packet_id_q_vmstate_info, | |
2405 | .flags = VMS_SINGLE, | |
2406 | .offset = 0, | |
2407 | }, | |
2408 | VMSTATE_END_OF_LIST() | |
2409 | } | |
2410 | }; | |
2411 | ||
2412 | ||
2413 | /* For usb_redir_device_connect_header migration */ | |
2414 | static const VMStateDescription usbredir_device_info_vmstate = { | |
2415 | .name = "usb-redir-device-info", | |
2416 | .version_id = 1, | |
2417 | .minimum_version_id = 1, | |
2418 | .fields = (VMStateField[]) { | |
2419 | VMSTATE_UINT8(speed, struct usb_redir_device_connect_header), | |
2420 | VMSTATE_UINT8(device_class, struct usb_redir_device_connect_header), | |
2421 | VMSTATE_UINT8(device_subclass, struct usb_redir_device_connect_header), | |
2422 | VMSTATE_UINT8(device_protocol, struct usb_redir_device_connect_header), | |
2423 | VMSTATE_UINT16(vendor_id, struct usb_redir_device_connect_header), | |
2424 | VMSTATE_UINT16(product_id, struct usb_redir_device_connect_header), | |
2425 | VMSTATE_UINT16(device_version_bcd, | |
2426 | struct usb_redir_device_connect_header), | |
2427 | VMSTATE_END_OF_LIST() | |
2428 | } | |
2429 | }; | |
2430 | ||
2431 | ||
2432 | /* For usb_redir_interface_info_header migration */ | |
2433 | static const VMStateDescription usbredir_interface_info_vmstate = { | |
2434 | .name = "usb-redir-interface-info", | |
2435 | .version_id = 1, | |
2436 | .minimum_version_id = 1, | |
2437 | .fields = (VMStateField[]) { | |
2438 | VMSTATE_UINT32(interface_count, | |
2439 | struct usb_redir_interface_info_header), | |
2440 | VMSTATE_UINT8_ARRAY(interface, | |
2441 | struct usb_redir_interface_info_header, 32), | |
2442 | VMSTATE_UINT8_ARRAY(interface_class, | |
2443 | struct usb_redir_interface_info_header, 32), | |
2444 | VMSTATE_UINT8_ARRAY(interface_subclass, | |
2445 | struct usb_redir_interface_info_header, 32), | |
2446 | VMSTATE_UINT8_ARRAY(interface_protocol, | |
2447 | struct usb_redir_interface_info_header, 32), | |
2448 | VMSTATE_END_OF_LIST() | |
2449 | } | |
2450 | }; | |
2451 | ||
2452 | ||
2453 | /* And finally the USBRedirDevice vmstate itself */ | |
2454 | static const VMStateDescription usbredir_vmstate = { | |
2455 | .name = "usb-redir", | |
2456 | .version_id = 1, | |
2457 | .minimum_version_id = 1, | |
2458 | .pre_save = usbredir_pre_save, | |
2459 | .post_load = usbredir_post_load, | |
2460 | .fields = (VMStateField[]) { | |
2461 | VMSTATE_USB_DEVICE(dev, USBRedirDevice), | |
e720677e | 2462 | VMSTATE_TIMER_PTR(attach_timer, USBRedirDevice), |
fc3f6e1b HG |
2463 | { |
2464 | .name = "parser", | |
2465 | .version_id = 0, | |
2466 | .field_exists = NULL, | |
2467 | .size = 0, | |
2468 | .info = &usbredir_parser_vmstate_info, | |
2469 | .flags = VMS_SINGLE, | |
2470 | .offset = 0, | |
2471 | }, | |
2472 | VMSTATE_STRUCT_ARRAY(endpoint, USBRedirDevice, MAX_ENDPOINTS, 1, | |
2473 | usbredir_ep_vmstate, struct endp_data), | |
2474 | VMSTATE_STRUCT(cancelled, USBRedirDevice, 1, | |
2475 | usbredir_ep_packet_id_queue_vmstate, | |
2476 | struct PacketIdQueue), | |
2477 | VMSTATE_STRUCT(already_in_flight, USBRedirDevice, 1, | |
2478 | usbredir_ep_packet_id_queue_vmstate, | |
2479 | struct PacketIdQueue), | |
2480 | VMSTATE_STRUCT(device_info, USBRedirDevice, 1, | |
2481 | usbredir_device_info_vmstate, | |
2482 | struct usb_redir_device_connect_header), | |
2483 | VMSTATE_STRUCT(interface_info, USBRedirDevice, 1, | |
2484 | usbredir_interface_info_vmstate, | |
2485 | struct usb_redir_interface_info_header), | |
2486 | VMSTATE_END_OF_LIST() | |
2487 | } | |
2488 | }; | |
2489 | ||
3bc36349 AL |
2490 | static Property usbredir_properties[] = { |
2491 | DEFINE_PROP_CHR("chardev", USBRedirDevice, cs), | |
618fbc95 | 2492 | DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, usbredirparser_warning), |
6af16589 | 2493 | DEFINE_PROP_STRING("filter", USBRedirDevice, filter_str), |
87ae924b | 2494 | DEFINE_PROP_BOOL("streams", USBRedirDevice, enable_streams, true), |
3bc36349 AL |
2495 | DEFINE_PROP_END_OF_LIST(), |
2496 | }; | |
2497 | ||
62aed765 AL |
2498 | static void usbredir_class_initfn(ObjectClass *klass, void *data) |
2499 | { | |
2500 | USBDeviceClass *uc = USB_DEVICE_CLASS(klass); | |
3bc36349 | 2501 | DeviceClass *dc = DEVICE_CLASS(klass); |
62aed765 | 2502 | |
77e35b4b | 2503 | uc->realize = usbredir_realize; |
62aed765 | 2504 | uc->product_desc = "USB Redirection Device"; |
c4fe9700 | 2505 | uc->unrealize = usbredir_unrealize; |
62aed765 AL |
2506 | uc->cancel_packet = usbredir_cancel_packet; |
2507 | uc->handle_reset = usbredir_handle_reset; | |
2508 | uc->handle_data = usbredir_handle_data; | |
2509 | uc->handle_control = usbredir_handle_control; | |
1b36c4d8 | 2510 | uc->flush_ep_queue = usbredir_flush_ep_queue; |
d8553dd0 | 2511 | uc->ep_stopped = usbredir_ep_stopped; |
19e83931 HG |
2512 | uc->alloc_streams = usbredir_alloc_streams; |
2513 | uc->free_streams = usbredir_free_streams; | |
fc3f6e1b | 2514 | dc->vmsd = &usbredir_vmstate; |
3bc36349 | 2515 | dc->props = usbredir_properties; |
125ee0ed | 2516 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
62aed765 AL |
2517 | } |
2518 | ||
29585799 GA |
2519 | static void usbredir_instance_init(Object *obj) |
2520 | { | |
2521 | USBDevice *udev = USB_DEVICE(obj); | |
d371cbc7 | 2522 | USBRedirDevice *dev = USB_REDIRECT(udev); |
29585799 GA |
2523 | |
2524 | device_add_bootindex_property(obj, &dev->bootindex, | |
2525 | "bootindex", NULL, | |
2526 | &udev->qdev, NULL); | |
2527 | } | |
2528 | ||
8c43a6f0 | 2529 | static const TypeInfo usbredir_dev_info = { |
d371cbc7 | 2530 | .name = TYPE_USB_REDIR, |
3bc36349 AL |
2531 | .parent = TYPE_USB_DEVICE, |
2532 | .instance_size = sizeof(USBRedirDevice), | |
2533 | .class_init = usbredir_class_initfn, | |
29585799 | 2534 | .instance_init = usbredir_instance_init, |
69354a83 HG |
2535 | }; |
2536 | ||
83f7d43a | 2537 | static void usbredir_register_types(void) |
69354a83 | 2538 | { |
3bc36349 | 2539 | type_register_static(&usbredir_dev_info); |
69354a83 | 2540 | } |
83f7d43a AF |
2541 | |
2542 | type_init(usbredir_register_types) |