source: mainline/uspace/drv/bus/usb/ehci/ehci_rh.c@ 61e27e80

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 61e27e80 was a1732929, checked in by Ondřej Hlavatý <aearsis@…>, 8 years ago

usb: unified logging

Use logger instead of printf. Logger adds newlines automatically.
  • Property mode set to 100644
File size: 19.8 KB
Line 
1/*
2 * Copyright (c) 2013 Jan Vesely
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28/** @addtogroup drvusbehci
29 * @{
30 */
31/** @file
32 * @brief EHCI driver
33 */
34
35#include <assert.h>
36#include <errno.h>
37#include <mem.h>
38#include <str_error.h>
39#include <stdint.h>
40#include <stddef.h>
41
42#include <usb/classes/hub.h>
43#include <usb/debug.h>
44#include <usb/descriptor.h>
45#include <usb/request.h>
46#include <usb/usb.h>
47
48#include <usb/host/endpoint.h>
49#include <usbvirt/device.h>
50
51#include "ehci_rh.h"
52
53enum {
54 HUB_STATUS_CHANGE_PIPE = 1,
55};
56
57static usbvirt_device_ops_t ops;
58
59/** Initialize internal USB HUB class descriptor.
60 * @param instance EHCI root hub.
61 * Use register based info to create accurate descriptor.
62 */
63static void ehci_rh_hub_desc_init(ehci_rh_t *instance, unsigned hcs)
64{
65 assert(instance);
66 const unsigned dsize = sizeof(usb_hub_descriptor_header_t) +
67 STATUS_BYTES(instance->port_count) * 2;
68 assert(dsize <= sizeof(instance->hub_descriptor));
69
70 instance->hub_descriptor.header.length = dsize;
71 instance->hub_descriptor.header.descriptor_type = USB_DESCTYPE_HUB;
72 instance->hub_descriptor.header.port_count = instance->port_count;
73 /* Bits 0,1 indicate power switching mode
74 * Bit 2 indicates device type (compound device)
75 * Bits 3,4 indicate over-current protection mode */
76 instance->hub_descriptor.header.characteristics = 0 |
77 ((hcs & EHCI_CAPS_HCS_PPC_FLAG) ? 0x09 : 0x12) |
78 ((hcs & EHCI_CAPS_HCS_INDICATORS_FLAG) ? 0x80 : 0) |
79 (0x3 << 5); /* Need 32 FS bit times */ // TODO Implement
80 instance->hub_descriptor.header.characteristics_reserved = 0;
81 instance->hub_descriptor.header.power_good_time = 50;
82 /* bHubContrCurrent, root hubs don't need no power. */
83 instance->hub_descriptor.header.max_current = 0;
84
85 /* Device removable and some legacy 1.0 stuff*/
86 instance->hub_descriptor.rempow[0] = 0xff;
87 instance->hub_descriptor.rempow[1] = 0xff;
88 instance->hub_descriptor.rempow[2] = 0xff;
89 instance->hub_descriptor.rempow[3] = 0xff;
90
91}
92/** Initialize EHCI root hub.
93 * @param instance Place to initialize.
94 * @param regs EHCI device registers.
95 * @param name Device name.
96 * return Error code, EOK on success.
97 *
98 * Selects preconfigured port powering mode, sets up descriptor, and
99 * initializes internal virtual hub.
100 */
101int ehci_rh_init(ehci_rh_t *instance, ehci_caps_regs_t *caps, ehci_regs_t *regs,
102 const char *name)
103{
104 assert(instance);
105 instance->registers = regs;
106 instance->port_count =
107 (EHCI_RD(caps->hcsparams) >> EHCI_CAPS_HCS_N_PORTS_SHIFT) &
108 EHCI_CAPS_HCS_N_PORTS_MASK;
109 usb_log_debug2("RH(%p): hcsparams: %x.", instance,
110 EHCI_RD(caps->hcsparams));
111 usb_log_info("RH(%p): Found %u ports.", instance,
112 instance->port_count);
113
114 if (EHCI_RD(caps->hcsparams) & EHCI_CAPS_HCS_PPC_FLAG) {
115 usb_log_info("RH(%p): Per-port power switching.", instance);
116 } else {
117 usb_log_info("RH(%p): No power switching.", instance);
118 }
119 for (unsigned i = 0; i < instance->port_count; ++i)
120 usb_log_debug2("RH(%p-%u): status: %"PRIx32, instance, i,
121 EHCI_RD(regs->portsc[i]));
122
123 for (unsigned i = 0; i < EHCI_MAX_PORTS; ++i) {
124 instance->reset_flag[i] = false;
125 instance->resume_flag[i] = false;
126 }
127
128 ehci_rh_hub_desc_init(instance, EHCI_RD(caps->hcsparams));
129 instance->unfinished_interrupt_transfer = NULL;
130
131 return virthub_base_init(&instance->base, name, &ops, instance,
132 NULL, &instance->hub_descriptor.header, HUB_STATUS_CHANGE_PIPE);
133}
134
135/** Schedule USB request.
136 * @param instance OCHI root hub instance.
137 * @param batch USB requst batch to schedule.
138 * @return Always EOK.
139 * Most requests complete even before this function returns,
140 * status change requests might be postponed until there is something to report.
141 */
142int ehci_rh_schedule(ehci_rh_t *instance, usb_transfer_batch_t *batch)
143{
144 assert(instance);
145 assert(batch);
146 batch->error = virthub_base_request(&instance->base, batch->target,
147 batch->dir, (void*) batch->setup.buffer,
148 batch->buffer, batch->buffer_size, &batch->transfered_size);
149 if (batch->error == ENAK) {
150 usb_log_debug("RH(%p): BATCH(%p) adding as unfinished",
151 instance, batch);
152 /* This is safe because only status change interrupt transfers
153 * return NAK. The assertion holds true because the batch
154 * existence prevents communication with that ep */
155 assert(instance->unfinished_interrupt_transfer == NULL);
156 instance->unfinished_interrupt_transfer = batch;
157 } else {
158 usb_log_debug("RH(%p): BATCH(%p) virtual request complete: %s",
159 instance, batch, str_error(batch->error));
160 usb_transfer_batch_finish(batch);
161 }
162 return EOK;
163}
164
165/** Handle EHCI RHSC interrupt.
166 * @param instance EHCI root hub isntance.
167 * @return Always EOK.
168 *
169 * Interrupt means there is a change of status to report. It may trigger
170 * processing of a postponed request.
171 */
172int ehci_rh_interrupt(ehci_rh_t *instance)
173{
174 //TODO atomic swap needed
175 usb_transfer_batch_t *batch = instance->unfinished_interrupt_transfer;
176 instance->unfinished_interrupt_transfer = NULL;
177 usb_log_debug2("RH(%p): Interrupt. Processing batch: %p",
178 instance, batch);
179 if (batch) {
180 batch->error = virthub_base_request(&instance->base, batch->target,
181 batch->dir, (void*) batch->setup.buffer,
182 batch->buffer, batch->buffer_size, &batch->transfered_size);
183 usb_transfer_batch_finish(batch);
184 }
185 return EOK;
186}
187
188/* HUB ROUTINES IMPLEMENTATION */
189#define TEST_SIZE_INIT(size, port, hub) \
190do { \
191 hub = virthub_get_data(device); \
192 assert(hub);\
193 if (uint16_usb2host(setup_packet->length) != size) \
194 return ESTALL; \
195 port = uint16_usb2host(setup_packet->index) - 1; \
196 if (port > hub->port_count) \
197 return EINVAL; \
198} while (0)
199
200/** Hub status request handler.
201 * @param device Virtual hub device
202 * @param setup_packet USB setup stage data.
203 * @param[out] data destination data buffer, size must be at least
204 * setup_packet->length bytes
205 * @param[out] act_size Sized of the valid response part of the buffer.
206 * @return Error code.
207 */
208static int req_get_status(usbvirt_device_t *device,
209 const usb_device_request_setup_packet_t *setup_packet,
210 uint8_t *data, size_t *act_size)
211{
212 ehci_rh_t *hub = virthub_get_data(device);
213 assert(hub);
214 if (uint16_usb2host(setup_packet->length) != 4)
215 return ESTALL;
216 /* ECHI RH does not report global OC, and local power is always good */
217 const uint32_t val = 0;
218 memcpy(data, &val, sizeof(val));
219 *act_size = sizeof(val);
220 return EOK;
221}
222
223/** Hub set feature request handler.
224 * @param device Virtual hub device
225 * @param setup_packet USB setup stage data.
226 * @param[out] data destination data buffer, size must be at least
227 * setup_packet->length bytes
228 * @param[out] act_size Sized of the valid response part of the buffer.
229 * @return Error code.
230 */
231static int req_clear_hub_feature(usbvirt_device_t *device,
232 const usb_device_request_setup_packet_t *setup_packet,
233 uint8_t *data, size_t *act_size)
234{
235 ehci_rh_t *hub = virthub_get_data(device);
236 assert(hub);
237
238 /*
239 * Chapter 11.16.2 specifies that only C_HUB_LOCAL_POWER and
240 * C_HUB_OVER_CURRENT are supported.
241 * C_HUB_LOCAL_POWER is not supported because root hubs do not support
242 * local power status feature.
243 * EHCI RH does not report global OC condition either
244 */
245 return ESTALL;
246}
247
248#define BIT_VAL(val, bit) ((val & bit) ? 1 : 0)
249#define EHCI2USB(val, bit, feat) (BIT_VAL(val, bit) << feat)
250
251/** Port status request handler.
252 * @param device Virtual hub device
253 * @param setup_packet USB setup stage data.
254 * @param[out] data destination data buffer, size must be at least
255 * setup_packet->length bytes
256 * @param[out] act_size Sized of the valid response part of the buffer.
257 * @return Error code.
258 */
259static int req_get_port_status(usbvirt_device_t *device,
260 const usb_device_request_setup_packet_t *setup_packet,
261 uint8_t *data, size_t *act_size)
262{
263 ehci_rh_t *hub;
264 unsigned port;
265 TEST_SIZE_INIT(4, port, hub);
266 if (setup_packet->value != 0)
267 return EINVAL;
268
269 const uint32_t reg = EHCI_RD(hub->registers->portsc[port]);
270 const uint32_t status = uint32_host2usb(
271 EHCI2USB(reg, USB_PORTSC_CONNECT_FLAG, USB_HUB_FEATURE_PORT_CONNECTION) |
272 EHCI2USB(reg, USB_PORTSC_ENABLED_FLAG, USB_HUB_FEATURE_PORT_ENABLE) |
273 EHCI2USB(reg, USB_PORTSC_SUSPEND_FLAG, USB_HUB_FEATURE_PORT_SUSPEND) |
274 EHCI2USB(reg, USB_PORTSC_OC_ACTIVE_FLAG, USB_HUB_FEATURE_PORT_OVER_CURRENT) |
275 EHCI2USB(reg, USB_PORTSC_PORT_RESET_FLAG, USB_HUB_FEATURE_PORT_RESET) |
276 EHCI2USB(reg, USB_PORTSC_PORT_POWER_FLAG, USB_HUB_FEATURE_PORT_POWER) |
277 (((reg & USB_PORTSC_LINE_STATUS_MASK) == USB_PORTSC_LINE_STATUS_K) ?
278 (1 << USB_HUB_FEATURE_PORT_LOW_SPEED) : 0) |
279 ((reg & USB_PORTSC_PORT_OWNER_FLAG) ? 0 : (1 << USB_HUB_FEATURE_PORT_HIGH_SPEED)) |
280 EHCI2USB(reg, USB_PORTSC_PORT_TEST_MASK, 11) |
281 EHCI2USB(reg, USB_PORTSC_INDICATOR_MASK, 12) |
282 EHCI2USB(reg, USB_PORTSC_CONNECT_CH_FLAG, USB_HUB_FEATURE_C_PORT_CONNECTION) |
283 EHCI2USB(reg, USB_PORTSC_EN_CHANGE_FLAG, USB_HUB_FEATURE_C_PORT_ENABLE) |
284 (hub->resume_flag[port] ? (1 << USB_HUB_FEATURE_C_PORT_SUSPEND) : 0) |
285 EHCI2USB(reg, USB_PORTSC_OC_CHANGE_FLAG, USB_HUB_FEATURE_C_PORT_OVER_CURRENT) |
286 (hub->reset_flag[port] ? (1 << USB_HUB_FEATURE_C_PORT_RESET): 0)
287 );
288 /* Note feature numbers for test and indicator feature do not
289 * correspond to the port status bit locations */
290 usb_log_debug2("RH(%p-%u) port status: %"PRIx32"(%"PRIx32")", hub, port,
291 status, reg);
292 memcpy(data, &status, sizeof(status));
293 *act_size = sizeof(status);
294 return EOK;
295}
296
297typedef struct {
298 ehci_rh_t *hub;
299 unsigned port;
300} ehci_rh_job_t;
301
302static int stop_reset(void *arg)
303{
304 ehci_rh_job_t *job = arg;
305 async_usleep(50000);
306 usb_log_debug("RH(%p-%u): Clearing reset", job->hub, job->port);
307 EHCI_CLR(job->hub->registers->portsc[job->port],
308 USB_PORTSC_PORT_RESET_FLAG);
309 /* wait for reset to complete */
310 while (EHCI_RD(job->hub->registers->portsc[job->port]) &
311 USB_PORTSC_PORT_RESET_FLAG) {
312 async_usleep(1);
313 };
314 usb_log_debug("RH(%p-%u): Reset complete", job->hub, job->port);
315 /* Handle port ownership, if the port is not enabled
316 * after reset it's a full speed device */
317 if (!(EHCI_RD(job->hub->registers->portsc[job->port]) &
318 USB_PORTSC_ENABLED_FLAG)) {
319 usb_log_info("RH(%p-%u): Port not enabled after reset (%"PRIX32
320 "), giving up ownership", job->hub, job->port,
321 EHCI_RD(job->hub->registers->portsc[job->port]));
322 EHCI_SET(job->hub->registers->portsc[job->port],
323 USB_PORTSC_PORT_OWNER_FLAG);
324 }
325 job->hub->reset_flag[job->port] = true;
326 ehci_rh_interrupt(job->hub);
327 free(job);
328 return 0;
329}
330
331static int stop_resume(void *arg)
332{
333 ehci_rh_job_t *job = arg;
334 async_usleep(20000);
335 usb_log_debug("RH(%p-%u): Stopping resume", job->hub, job->port);
336 EHCI_CLR(job->hub->registers->portsc[job->port],
337 USB_PORTSC_RESUME_FLAG);
338 job->hub->resume_flag[job->port] = true;
339 ehci_rh_interrupt(job->hub);
340 free(job);
341 return 0;
342}
343
344static int delayed_job(int (*func)(void*), ehci_rh_t *rh, unsigned port)
345{
346 ehci_rh_job_t *job = malloc(sizeof(*job));
347 if (!job)
348 return ENOMEM;
349 job->hub = rh;
350 job->port = port;
351 fid_t fib = fibril_create(func, job);
352 if (!fib) {
353 free(job);
354 return ENOMEM;
355 }
356 fibril_add_ready(fib);
357 usb_log_debug2("RH(%p-%u): Scheduled delayed stop job.", rh, port);
358 return EOK;
359}
360
361
362/** Port clear feature request handler.
363 * @param device Virtual hub device
364 * @param setup_packet USB setup stage data.
365 * @param[out] data destination data buffer, size must be at least
366 * setup_packet->length bytes
367 * @param[out] act_size Sized of the valid response part of the buffer.
368 * @return Error code.
369 */
370static int req_clear_port_feature(usbvirt_device_t *device,
371 const usb_device_request_setup_packet_t *setup_packet,
372 uint8_t *data, size_t *act_size)
373{
374 ehci_rh_t *hub;
375 unsigned port;
376 TEST_SIZE_INIT(0, port, hub);
377 const unsigned feature = uint16_usb2host(setup_packet->value);
378 /* Enabled features to clear: see page 269 of USB specs */
379 switch (feature)
380 {
381 case USB_HUB_FEATURE_PORT_POWER: /*8*/
382 usb_log_debug2("RH(%p-%u): Clear port power.", hub, port);
383 EHCI_CLR(hub->registers->portsc[port],
384 USB_PORTSC_PORT_POWER_FLAG);
385 return EOK;
386
387 case USB_HUB_FEATURE_PORT_ENABLE: /*1*/
388 usb_log_debug2("RH(%p-%u): Clear port enable.", hub, port);
389 EHCI_CLR(hub->registers->portsc[port],
390 USB_PORTSC_ENABLED_FLAG);
391 return EOK;
392
393 case USB_HUB_FEATURE_PORT_SUSPEND: /*2*/
394 usb_log_debug2("RH(%p-%u): Clear port suspend.", hub, port);
395 /* If not in suspend it's noop */
396 if ((EHCI_RD(hub->registers->portsc[port]) &
397 USB_PORTSC_SUSPEND_FLAG) == 0)
398 return EOK;
399 /* Host driven resume */
400 EHCI_SET(hub->registers->portsc[port],
401 USB_PORTSC_RESUME_FLAG);
402 //TODO: What if creating the delayed job fails?
403 return delayed_job(stop_resume, hub, port);
404
405 case USB_HUB_FEATURE_C_PORT_CONNECTION: /*16*/
406 usb_log_debug2("RH(%p-%u): Clear port connection change.",
407 hub, port);
408 EHCI_SET(hub->registers->portsc[port],
409 USB_PORTSC_CONNECT_CH_FLAG);
410 return EOK;
411 case USB_HUB_FEATURE_C_PORT_ENABLE: /*17*/
412 usb_log_debug2("RH(%p-%u): Clear port enable change.",
413 hub, port);
414 EHCI_SET(hub->registers->portsc[port],
415 USB_PORTSC_CONNECT_CH_FLAG);
416 return EOK;
417 case USB_HUB_FEATURE_C_PORT_OVER_CURRENT: /*19*/
418 usb_log_debug2("RH(%p-%u): Clear port OC change.",
419 hub, port);
420 EHCI_SET(hub->registers->portsc[port],
421 USB_PORTSC_OC_CHANGE_FLAG);
422 return EOK;
423 case USB_HUB_FEATURE_C_PORT_SUSPEND: /*18*/
424 usb_log_debug2("RH(%p-%u): Clear port suspend change.",
425 hub, port);
426 hub->resume_flag[port] = false;
427 return EOK;
428 case USB_HUB_FEATURE_C_PORT_RESET: /*20*/
429 usb_log_debug2("RH(%p-%u): Clear port reset change.",
430 hub, port);
431 hub->reset_flag[port] = false;
432 return EOK;
433
434 default:
435 usb_log_warning("RH(%p-%u): Clear unknown feature: %u",
436 hub, port, feature);
437 return ENOTSUP;
438 }
439}
440
441/** Port set feature request handler.
442 * @param device Virtual hub device
443 * @param setup_packet USB setup stage data.
444 * @param[out] data destination data buffer, size must be at least
445 * setup_packet->length bytes
446 * @param[out] act_size Sized of the valid response part of the buffer.
447 * @return Error code.
448 */
449static int req_set_port_feature(usbvirt_device_t *device,
450 const usb_device_request_setup_packet_t *setup_packet,
451 uint8_t *data, size_t *act_size)
452{
453 ehci_rh_t *hub;
454 unsigned port;
455 TEST_SIZE_INIT(0, port, hub);
456 const unsigned feature = uint16_usb2host(setup_packet->value);
457 switch (feature) {
458 case USB_HUB_FEATURE_PORT_ENABLE: /*1*/
459 usb_log_debug2("RH(%p-%u): Set port enable.", hub, port);
460 EHCI_SET(hub->registers->portsc[port],
461 USB_PORTSC_ENABLED_FLAG);
462 return EOK;
463 case USB_HUB_FEATURE_PORT_SUSPEND: /*2*/
464 usb_log_debug2("RH(%p-%u): Set port suspend.", hub, port);
465 EHCI_SET(hub->registers->portsc[port],
466 USB_PORTSC_SUSPEND_FLAG);
467 return EOK;
468 case USB_HUB_FEATURE_PORT_RESET: /*4*/
469 usb_log_debug2("RH(%p-%u): Set port reset.", hub, port);
470 EHCI_SET(hub->registers->portsc[port],
471 USB_PORTSC_PORT_RESET_FLAG);
472 //TODO: What if creating the delayed job fails?
473 return delayed_job(stop_reset, hub, port);
474 case USB_HUB_FEATURE_PORT_POWER: /*8*/
475 usb_log_debug2("RH(%p-%u): Set port power.", hub, port);
476 EHCI_SET(hub->registers->portsc[port],
477 USB_PORTSC_PORT_POWER_FLAG);
478 return EOK;
479 default:
480 usb_log_warning("RH(%p-%u): Set unknown feature: %u",
481 hub, port, feature);
482 return ENOTSUP;
483 }
484}
485
486/** Status change handler.
487 * @param device Virtual hub device
488 * @param endpoint Endpoint number
489 * @param tr_type Transfer type
490 * @param buffer Response destination
491 * @param buffer_size Bytes available in buffer
492 * @param actual_size Size us the used part of the dest buffer.
493 *
494 * Produces status mask. Bit 0 indicates hub status change the other bits
495 * represent port status change. Endian does not matter as UHCI root hubs
496 * only need 1 byte.
497 */
498static int req_status_change_handler(usbvirt_device_t *device,
499 usb_endpoint_t endpoint, usb_transfer_type_t tr_type,
500 void *buffer, size_t buffer_size, size_t *actual_size)
501{
502 ehci_rh_t *hub = virthub_get_data(device);
503 assert(hub);
504
505 if (buffer_size < STATUS_BYTES(hub->port_count))
506 return ESTALL;
507
508 uint16_t mask = 0;
509 for (unsigned port = 0; port < hub->port_count; ++port) {
510 /* Write-clean bits are those that indicate change */
511 uint32_t status = EHCI_RD(hub->registers->portsc[port]);
512 if ((status & USB_PORTSC_WC_MASK) || hub->reset_flag[port]) {
513 /* Ignore new LS device */
514 if ((status & USB_PORTSC_CONNECT_CH_FLAG) &&
515 (status & USB_PORTSC_LINE_STATUS_MASK) ==
516 USB_PORTSC_LINE_STATUS_K)
517 EHCI_SET(hub->registers->portsc[port],
518 USB_PORTSC_PORT_OWNER_FLAG);
519 else
520 mask |= (2 << port);
521 }
522 }
523
524 usb_log_debug2("RH(%p): root hub interrupt mask: %"PRIx16, hub, mask);
525
526 if (mask == 0)
527 return ENAK;
528 mask = uint16_host2usb(mask);
529 memcpy(buffer, &mask, STATUS_BYTES(hub->port_count));
530 *actual_size = STATUS_BYTES(hub->port_count);
531 return EOK;
532}
533
534/** EHCI root hub request handlers */
535static const usbvirt_control_request_handler_t control_transfer_handlers[] = {
536 {
537 STD_REQ_IN(USB_REQUEST_RECIPIENT_DEVICE, USB_DEVREQ_GET_DESCRIPTOR),
538 .name = "GetDescriptor",
539 .callback = virthub_base_get_hub_descriptor,
540 },
541 {
542 CLASS_REQ_IN(USB_REQUEST_RECIPIENT_DEVICE, USB_DEVREQ_GET_DESCRIPTOR),
543 .name = "GetDescriptor",
544 .callback = virthub_base_get_hub_descriptor,
545 },
546 {
547 CLASS_REQ_IN(USB_REQUEST_RECIPIENT_DEVICE, USB_HUB_REQUEST_GET_DESCRIPTOR),
548 .name = "GetHubDescriptor",
549 .callback = virthub_base_get_hub_descriptor,
550 },
551 {
552 CLASS_REQ_IN(USB_REQUEST_RECIPIENT_OTHER, USB_HUB_REQUEST_GET_STATUS),
553 .name = "GetPortStatus",
554 .callback = req_get_port_status,
555 },
556 {
557 CLASS_REQ_OUT(USB_REQUEST_RECIPIENT_DEVICE, USB_HUB_REQUEST_CLEAR_FEATURE),
558 .name = "ClearHubFeature",
559 .callback = req_clear_hub_feature,
560 },
561 {
562 CLASS_REQ_OUT(USB_REQUEST_RECIPIENT_OTHER, USB_HUB_REQUEST_CLEAR_FEATURE),
563 .name = "ClearPortFeature",
564 .callback = req_clear_port_feature,
565 },
566 {
567 CLASS_REQ_IN(USB_REQUEST_RECIPIENT_DEVICE, USB_HUB_REQUEST_GET_STATUS),
568 .name = "GetHubStatus",
569 .callback = req_get_status,
570 },
571 {
572 CLASS_REQ_IN(USB_REQUEST_RECIPIENT_OTHER, USB_HUB_REQUEST_GET_STATUS),
573 .name = "GetPortStatus",
574 .callback = req_get_port_status,
575 },
576 {
577 CLASS_REQ_OUT(USB_REQUEST_RECIPIENT_DEVICE, USB_HUB_REQUEST_SET_FEATURE),
578 .name = "SetHubFeature",
579 .callback = req_nop,
580 },
581 {
582 CLASS_REQ_OUT(USB_REQUEST_RECIPIENT_OTHER, USB_HUB_REQUEST_SET_FEATURE),
583 .name = "SetPortFeature",
584 .callback = req_set_port_feature,
585 },
586 {
587 .callback = NULL
588 }
589};
590
591/** Virtual EHCI root hub ops */
592static usbvirt_device_ops_t ops = {
593 .control = control_transfer_handlers,
594 .data_in[HUB_STATUS_CHANGE_PIPE] = req_status_change_handler,
595};
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