root / usb-bsd.c @ fa57ee8e
History | View | Annotate | Download (17.5 kB)
| 1 |
/*
|
|---|---|
| 2 |
* BSD host USB redirector
|
| 3 |
*
|
| 4 |
* Copyright (c) 2006 Lonnie Mendez
|
| 5 |
* Portions of code and concepts borrowed from
|
| 6 |
* usb-linux.c and libusb's bsd.c and are copyright their respective owners.
|
| 7 |
*
|
| 8 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
| 9 |
* of this software and associated documentation files (the "Software"), to deal
|
| 10 |
* in the Software without restriction, including without limitation the rights
|
| 11 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
| 12 |
* copies of the Software, and to permit persons to whom the Software is
|
| 13 |
* furnished to do so, subject to the following conditions:
|
| 14 |
*
|
| 15 |
* The above copyright notice and this permission notice shall be included in
|
| 16 |
* all copies or substantial portions of the Software.
|
| 17 |
*
|
| 18 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
| 19 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
| 20 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
| 21 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
| 22 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
| 23 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
| 24 |
* THE SOFTWARE.
|
| 25 |
*/
|
| 26 |
|
| 27 |
#include "qemu-common.h" |
| 28 |
#include "monitor.h" |
| 29 |
#include "hw/usb.h" |
| 30 |
|
| 31 |
/* usb.h declares these */
|
| 32 |
#undef USB_SPEED_HIGH
|
| 33 |
#undef USB_SPEED_FULL
|
| 34 |
#undef USB_SPEED_LOW
|
| 35 |
|
| 36 |
#include <sys/ioctl.h> |
| 37 |
#ifndef __DragonFly__
|
| 38 |
#include <dev/usb/usb.h> |
| 39 |
#else
|
| 40 |
#include <bus/usb/usb.h> |
| 41 |
#endif
|
| 42 |
|
| 43 |
/* This value has maximum potential at 16.
|
| 44 |
* You should also set hw.usb.debug to gain
|
| 45 |
* more detailed view.
|
| 46 |
*/
|
| 47 |
//#define DEBUG
|
| 48 |
#define UGEN_DEBUG_LEVEL 0 |
| 49 |
|
| 50 |
|
| 51 |
typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id, |
| 52 |
int vendor_id, int product_id, |
| 53 |
const char *product_name, int speed); |
| 54 |
static int usb_host_find_device(int *pbus_num, int *paddr, |
| 55 |
const char *devname); |
| 56 |
|
| 57 |
typedef struct USBHostDevice { |
| 58 |
USBDevice dev; |
| 59 |
int ep_fd[USB_MAX_ENDPOINTS];
|
| 60 |
int devfd;
|
| 61 |
char devpath[32]; |
| 62 |
} USBHostDevice; |
| 63 |
|
| 64 |
|
| 65 |
static int ensure_ep_open(USBHostDevice *dev, int ep, int mode) |
| 66 |
{
|
| 67 |
char buf[32]; |
| 68 |
int fd;
|
| 69 |
|
| 70 |
/* Get the address for this endpoint */
|
| 71 |
ep = UE_GET_ADDR(ep); |
| 72 |
|
| 73 |
if (dev->ep_fd[ep] < 0) { |
| 74 |
#if defined(__FreeBSD__) || defined(__DragonFly__)
|
| 75 |
snprintf(buf, sizeof(buf) - 1, "%s.%d", dev->devpath, ep); |
| 76 |
#else
|
| 77 |
snprintf(buf, sizeof(buf) - 1, "%s.%02d", dev->devpath, ep); |
| 78 |
#endif
|
| 79 |
/* Try to open it O_RDWR first for those devices which have in and out
|
| 80 |
* endpoints with the same address (eg 0x02 and 0x82)
|
| 81 |
*/
|
| 82 |
fd = open(buf, O_RDWR); |
| 83 |
if (fd < 0 && errno == ENXIO) |
| 84 |
fd = open(buf, mode); |
| 85 |
if (fd < 0) { |
| 86 |
#ifdef DEBUG
|
| 87 |
printf("ensure_ep_open: failed to open device endpoint %s: %s\n",
|
| 88 |
buf, strerror(errno)); |
| 89 |
#endif
|
| 90 |
} |
| 91 |
dev->ep_fd[ep] = fd; |
| 92 |
} |
| 93 |
|
| 94 |
return dev->ep_fd[ep];
|
| 95 |
} |
| 96 |
|
| 97 |
static void ensure_eps_closed(USBHostDevice *dev) |
| 98 |
{
|
| 99 |
int epnum = 1; |
| 100 |
|
| 101 |
if (!dev)
|
| 102 |
return;
|
| 103 |
|
| 104 |
while (epnum < USB_MAX_ENDPOINTS) {
|
| 105 |
if (dev->ep_fd[epnum] >= 0) { |
| 106 |
close(dev->ep_fd[epnum]); |
| 107 |
dev->ep_fd[epnum] = -1;
|
| 108 |
} |
| 109 |
epnum++; |
| 110 |
} |
| 111 |
} |
| 112 |
|
| 113 |
static void usb_host_handle_reset(USBDevice *dev) |
| 114 |
{
|
| 115 |
#if 0
|
| 116 |
USBHostDevice *s = (USBHostDevice *)dev;
|
| 117 |
#endif
|
| 118 |
} |
| 119 |
|
| 120 |
/* XXX:
|
| 121 |
* -check device states against transfer requests
|
| 122 |
* and return appropriate response
|
| 123 |
*/
|
| 124 |
static int usb_host_handle_control(USBDevice *dev, |
| 125 |
USBPacket *p, |
| 126 |
int request,
|
| 127 |
int value,
|
| 128 |
int index,
|
| 129 |
int length,
|
| 130 |
uint8_t *data) |
| 131 |
{
|
| 132 |
USBHostDevice *s = (USBHostDevice *)dev; |
| 133 |
struct usb_ctl_request req;
|
| 134 |
struct usb_alt_interface aiface;
|
| 135 |
int ret, timeout = 50; |
| 136 |
|
| 137 |
if ((request >> 8) == UT_WRITE_DEVICE && |
| 138 |
(request & 0xff) == UR_SET_ADDRESS) {
|
| 139 |
|
| 140 |
/* specific SET_ADDRESS support */
|
| 141 |
dev->addr = value; |
| 142 |
return 0; |
| 143 |
} else if ((request >> 8) == UT_WRITE_DEVICE && |
| 144 |
(request & 0xff) == UR_SET_CONFIG) {
|
| 145 |
|
| 146 |
ensure_eps_closed(s); /* can't do this without all eps closed */
|
| 147 |
|
| 148 |
ret = ioctl(s->devfd, USB_SET_CONFIG, &value); |
| 149 |
if (ret < 0) { |
| 150 |
#ifdef DEBUG
|
| 151 |
printf("handle_control: failed to set configuration - %s\n",
|
| 152 |
strerror(errno)); |
| 153 |
#endif
|
| 154 |
return USB_RET_STALL;
|
| 155 |
} |
| 156 |
|
| 157 |
return 0; |
| 158 |
} else if ((request >> 8) == UT_WRITE_INTERFACE && |
| 159 |
(request & 0xff) == UR_SET_INTERFACE) {
|
| 160 |
|
| 161 |
aiface.uai_interface_index = index; |
| 162 |
aiface.uai_alt_no = value; |
| 163 |
|
| 164 |
ensure_eps_closed(s); /* can't do this without all eps closed */
|
| 165 |
ret = ioctl(s->devfd, USB_SET_ALTINTERFACE, &aiface); |
| 166 |
if (ret < 0) { |
| 167 |
#ifdef DEBUG
|
| 168 |
printf("handle_control: failed to set alternate interface - %s\n",
|
| 169 |
strerror(errno)); |
| 170 |
#endif
|
| 171 |
return USB_RET_STALL;
|
| 172 |
} |
| 173 |
|
| 174 |
return 0; |
| 175 |
} else {
|
| 176 |
req.ucr_request.bmRequestType = request >> 8;
|
| 177 |
req.ucr_request.bRequest = request & 0xff;
|
| 178 |
USETW(req.ucr_request.wValue, value); |
| 179 |
USETW(req.ucr_request.wIndex, index); |
| 180 |
USETW(req.ucr_request.wLength, length); |
| 181 |
req.ucr_data = data; |
| 182 |
req.ucr_flags = USBD_SHORT_XFER_OK; |
| 183 |
|
| 184 |
ret = ioctl(s->devfd, USB_SET_TIMEOUT, &timeout); |
| 185 |
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
| 186 |
if (ret < 0 && errno != EINVAL) { |
| 187 |
#else
|
| 188 |
if (ret < 0) { |
| 189 |
#endif
|
| 190 |
#ifdef DEBUG
|
| 191 |
printf("handle_control: setting timeout failed - %s\n",
|
| 192 |
strerror(errno)); |
| 193 |
#endif
|
| 194 |
} |
| 195 |
|
| 196 |
ret = ioctl(s->devfd, USB_DO_REQUEST, &req); |
| 197 |
/* ugen returns EIO for usbd_do_request_ no matter what
|
| 198 |
* happens with the transfer */
|
| 199 |
if (ret < 0) { |
| 200 |
#ifdef DEBUG
|
| 201 |
printf("handle_control: error after request - %s\n",
|
| 202 |
strerror(errno)); |
| 203 |
#endif
|
| 204 |
return USB_RET_NAK; // STALL |
| 205 |
} else {
|
| 206 |
return req.ucr_actlen;
|
| 207 |
} |
| 208 |
} |
| 209 |
} |
| 210 |
|
| 211 |
static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
| 212 |
{
|
| 213 |
USBHostDevice *s = (USBHostDevice *)dev; |
| 214 |
int ret, fd, mode;
|
| 215 |
int one = 1, shortpacket = 0, timeout = 50; |
| 216 |
sigset_t new_mask, old_mask; |
| 217 |
uint8_t devep = p->devep; |
| 218 |
|
| 219 |
/* protect data transfers from SIGALRM signal */
|
| 220 |
sigemptyset(&new_mask); |
| 221 |
sigaddset(&new_mask, SIGALRM); |
| 222 |
sigprocmask(SIG_BLOCK, &new_mask, &old_mask); |
| 223 |
|
| 224 |
if (p->pid == USB_TOKEN_IN) {
|
| 225 |
devep |= 0x80;
|
| 226 |
mode = O_RDONLY; |
| 227 |
shortpacket = 1;
|
| 228 |
} else {
|
| 229 |
mode = O_WRONLY; |
| 230 |
} |
| 231 |
|
| 232 |
fd = ensure_ep_open(s, devep, mode); |
| 233 |
if (fd < 0) { |
| 234 |
sigprocmask(SIG_SETMASK, &old_mask, NULL);
|
| 235 |
return USB_RET_NODEV;
|
| 236 |
} |
| 237 |
|
| 238 |
if (ioctl(fd, USB_SET_TIMEOUT, &timeout) < 0) { |
| 239 |
#ifdef DEBUG
|
| 240 |
printf("handle_data: failed to set timeout - %s\n",
|
| 241 |
strerror(errno)); |
| 242 |
#endif
|
| 243 |
} |
| 244 |
|
| 245 |
if (shortpacket) {
|
| 246 |
if (ioctl(fd, USB_SET_SHORT_XFER, &one) < 0) { |
| 247 |
#ifdef DEBUG
|
| 248 |
printf("handle_data: failed to set short xfer mode - %s\n",
|
| 249 |
strerror(errno)); |
| 250 |
#endif
|
| 251 |
sigprocmask(SIG_SETMASK, &old_mask, NULL);
|
| 252 |
} |
| 253 |
} |
| 254 |
|
| 255 |
if (p->pid == USB_TOKEN_IN)
|
| 256 |
ret = read(fd, p->data, p->len); |
| 257 |
else
|
| 258 |
ret = write(fd, p->data, p->len); |
| 259 |
|
| 260 |
sigprocmask(SIG_SETMASK, &old_mask, NULL);
|
| 261 |
|
| 262 |
if (ret < 0) { |
| 263 |
#ifdef DEBUG
|
| 264 |
printf("handle_data: error after %s data - %s\n",
|
| 265 |
pid == USB_TOKEN_IN ? "reading" : "writing", strerror(errno)); |
| 266 |
#endif
|
| 267 |
switch(errno) {
|
| 268 |
case ETIMEDOUT:
|
| 269 |
case EINTR:
|
| 270 |
return USB_RET_NAK;
|
| 271 |
default:
|
| 272 |
return USB_RET_STALL;
|
| 273 |
} |
| 274 |
} else {
|
| 275 |
return ret;
|
| 276 |
} |
| 277 |
} |
| 278 |
|
| 279 |
static void usb_host_handle_destroy(USBDevice *opaque) |
| 280 |
{
|
| 281 |
USBHostDevice *s = (USBHostDevice *)opaque; |
| 282 |
int i;
|
| 283 |
|
| 284 |
for (i = 0; i < USB_MAX_ENDPOINTS; i++) |
| 285 |
if (s->ep_fd[i] >= 0) |
| 286 |
close(s->ep_fd[i]); |
| 287 |
|
| 288 |
if (s->devfd < 0) |
| 289 |
return;
|
| 290 |
|
| 291 |
close(s->devfd); |
| 292 |
|
| 293 |
qemu_free(s); |
| 294 |
} |
| 295 |
|
| 296 |
static int usb_host_initfn(USBDevice *dev) |
| 297 |
{
|
| 298 |
return 0; |
| 299 |
} |
| 300 |
|
| 301 |
USBDevice *usb_host_device_open(const char *devname) |
| 302 |
{
|
| 303 |
struct usb_device_info bus_info, dev_info;
|
| 304 |
USBDevice *d = NULL, *ret = NULL; |
| 305 |
USBHostDevice *dev; |
| 306 |
char ctlpath[PATH_MAX + 1]; |
| 307 |
char buspath[PATH_MAX + 1]; |
| 308 |
int bfd, dfd, bus, address, i;
|
| 309 |
int ugendebug = UGEN_DEBUG_LEVEL;
|
| 310 |
|
| 311 |
if (usb_host_find_device(&bus, &address, devname) < 0) { |
| 312 |
goto fail;
|
| 313 |
} |
| 314 |
|
| 315 |
snprintf(buspath, PATH_MAX, "/dev/usb%d", bus);
|
| 316 |
|
| 317 |
bfd = open(buspath, O_RDWR); |
| 318 |
if (bfd < 0) { |
| 319 |
#ifdef DEBUG
|
| 320 |
printf("usb_host_device_open: failed to open usb bus - %s\n",
|
| 321 |
strerror(errno)); |
| 322 |
#endif
|
| 323 |
goto fail;
|
| 324 |
} |
| 325 |
|
| 326 |
bus_info.udi_addr = address; |
| 327 |
if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0) { |
| 328 |
#ifdef DEBUG
|
| 329 |
printf("usb_host_device_open: failed to grab bus information - %s\n",
|
| 330 |
strerror(errno)); |
| 331 |
#endif
|
| 332 |
goto fail_bfd;
|
| 333 |
} |
| 334 |
|
| 335 |
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
|
| 336 |
snprintf(ctlpath, PATH_MAX, "/dev/%s", bus_info.udi_devnames[0]); |
| 337 |
#else
|
| 338 |
snprintf(ctlpath, PATH_MAX, "/dev/%s.00", bus_info.udi_devnames[0]); |
| 339 |
#endif
|
| 340 |
|
| 341 |
dfd = open(ctlpath, O_RDWR); |
| 342 |
if (dfd < 0) { |
| 343 |
dfd = open(ctlpath, O_RDONLY); |
| 344 |
if (dfd < 0) { |
| 345 |
#ifdef DEBUG
|
| 346 |
printf("usb_host_device_open: failed to open usb device %s - %s\n",
|
| 347 |
ctlpath, strerror(errno)); |
| 348 |
#endif
|
| 349 |
} |
| 350 |
goto fail_dfd;
|
| 351 |
} |
| 352 |
|
| 353 |
if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0) { |
| 354 |
#ifdef DEBUG
|
| 355 |
printf("usb_host_device_open: failed to grab device info - %s\n",
|
| 356 |
strerror(errno)); |
| 357 |
#endif
|
| 358 |
goto fail_dfd;
|
| 359 |
} |
| 360 |
|
| 361 |
d = usb_create(NULL /* FIXME */, "usb-host"); |
| 362 |
dev = DO_UPCAST(USBHostDevice, dev, d); |
| 363 |
|
| 364 |
if (dev_info.udi_speed == 1) { |
| 365 |
dev->dev.speed = USB_SPEED_LOW - 1;
|
| 366 |
dev->dev.speedmask = USB_SPEED_MASK_LOW; |
| 367 |
} else {
|
| 368 |
dev->dev.speed = USB_SPEED_FULL - 1;
|
| 369 |
dev->dev.speedmask = USB_SPEED_MASK_FULL; |
| 370 |
} |
| 371 |
|
| 372 |
if (strncmp(dev_info.udi_product, "product", 7) != 0) { |
| 373 |
pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc),
|
| 374 |
dev_info.udi_product); |
| 375 |
} else {
|
| 376 |
snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc),
|
| 377 |
"host:%s", devname);
|
| 378 |
} |
| 379 |
|
| 380 |
pstrcpy(dev->devpath, sizeof(dev->devpath), "/dev/"); |
| 381 |
pstrcat(dev->devpath, sizeof(dev->devpath), dev_info.udi_devnames[0]); |
| 382 |
|
| 383 |
/* Mark the endpoints as not yet open */
|
| 384 |
for (i = 0; i < USB_MAX_ENDPOINTS; i++) { |
| 385 |
dev->ep_fd[i] = -1;
|
| 386 |
} |
| 387 |
|
| 388 |
ioctl(dfd, USB_SETDEBUG, &ugendebug); |
| 389 |
|
| 390 |
ret = (USBDevice *)dev; |
| 391 |
|
| 392 |
fail_dfd:
|
| 393 |
close(dfd); |
| 394 |
fail_bfd:
|
| 395 |
close(bfd); |
| 396 |
fail:
|
| 397 |
return ret;
|
| 398 |
} |
| 399 |
|
| 400 |
static struct USBDeviceInfo usb_host_dev_info = { |
| 401 |
.product_desc = "USB Host Device",
|
| 402 |
.qdev.name = "usb-host",
|
| 403 |
.qdev.size = sizeof(USBHostDevice),
|
| 404 |
.init = usb_host_initfn, |
| 405 |
.handle_packet = usb_generic_handle_packet, |
| 406 |
.handle_reset = usb_host_handle_reset, |
| 407 |
.handle_control = usb_host_handle_control, |
| 408 |
.handle_data = usb_host_handle_data, |
| 409 |
.handle_destroy = usb_host_handle_destroy, |
| 410 |
}; |
| 411 |
|
| 412 |
static void usb_host_register_devices(void) |
| 413 |
{
|
| 414 |
usb_qdev_register(&usb_host_dev_info); |
| 415 |
} |
| 416 |
device_init(usb_host_register_devices) |
| 417 |
|
| 418 |
static int usb_host_scan(void *opaque, USBScanFunc *func) |
| 419 |
{
|
| 420 |
struct usb_device_info bus_info;
|
| 421 |
struct usb_device_info dev_info;
|
| 422 |
uint16_t vendor_id, product_id, class_id, speed; |
| 423 |
int bfd, dfd, bus, address;
|
| 424 |
char busbuf[20], devbuf[20], product_name[256]; |
| 425 |
int ret = 0; |
| 426 |
|
| 427 |
for (bus = 0; bus < 10; bus++) { |
| 428 |
|
| 429 |
snprintf(busbuf, sizeof(busbuf) - 1, "/dev/usb%d", bus); |
| 430 |
bfd = open(busbuf, O_RDWR); |
| 431 |
if (bfd < 0) |
| 432 |
continue;
|
| 433 |
|
| 434 |
for (address = 1; address < 127; address++) { |
| 435 |
|
| 436 |
bus_info.udi_addr = address; |
| 437 |
if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0) |
| 438 |
continue;
|
| 439 |
|
| 440 |
/* only list devices that can be used by generic layer */
|
| 441 |
if (strncmp(bus_info.udi_devnames[0], "ugen", 4) != 0) |
| 442 |
continue;
|
| 443 |
|
| 444 |
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
|
| 445 |
snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s", bus_info.udi_devnames[0]); |
| 446 |
#else
|
| 447 |
snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s.00", bus_info.udi_devnames[0]); |
| 448 |
#endif
|
| 449 |
|
| 450 |
dfd = open(devbuf, O_RDONLY); |
| 451 |
if (dfd < 0) { |
| 452 |
#ifdef DEBUG
|
| 453 |
printf("usb_host_scan: couldn't open device %s - %s\n", devbuf,
|
| 454 |
strerror(errno)); |
| 455 |
#endif
|
| 456 |
continue;
|
| 457 |
} |
| 458 |
|
| 459 |
if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0) |
| 460 |
printf("usb_host_scan: couldn't get device information for %s - %s\n",
|
| 461 |
devbuf, strerror(errno)); |
| 462 |
|
| 463 |
/* XXX: might need to fixup endianness of word values before copying over */
|
| 464 |
|
| 465 |
vendor_id = dev_info.udi_vendorNo; |
| 466 |
product_id = dev_info.udi_productNo; |
| 467 |
class_id = dev_info.udi_class; |
| 468 |
speed = dev_info.udi_speed; |
| 469 |
|
| 470 |
if (strncmp(dev_info.udi_product, "product", 7) != 0) |
| 471 |
pstrcpy(product_name, sizeof(product_name),
|
| 472 |
dev_info.udi_product); |
| 473 |
else
|
| 474 |
product_name[0] = '\0'; |
| 475 |
|
| 476 |
ret = func(opaque, bus, address, class_id, vendor_id, |
| 477 |
product_id, product_name, speed); |
| 478 |
|
| 479 |
close(dfd); |
| 480 |
|
| 481 |
if (ret)
|
| 482 |
goto the_end;
|
| 483 |
} |
| 484 |
|
| 485 |
close(bfd); |
| 486 |
} |
| 487 |
|
| 488 |
the_end:
|
| 489 |
return ret;
|
| 490 |
} |
| 491 |
|
| 492 |
typedef struct FindDeviceState { |
| 493 |
int vendor_id;
|
| 494 |
int product_id;
|
| 495 |
int bus_num;
|
| 496 |
int addr;
|
| 497 |
} FindDeviceState; |
| 498 |
|
| 499 |
static int usb_host_find_device_scan(void *opaque, int bus_num, int addr, |
| 500 |
int class_id,
|
| 501 |
int vendor_id, int product_id, |
| 502 |
const char *product_name, int speed) |
| 503 |
{
|
| 504 |
FindDeviceState *s = opaque; |
| 505 |
if (vendor_id == s->vendor_id &&
|
| 506 |
product_id == s->product_id) {
|
| 507 |
s->bus_num = bus_num; |
| 508 |
s->addr = addr; |
| 509 |
return 1; |
| 510 |
} else {
|
| 511 |
return 0; |
| 512 |
} |
| 513 |
} |
| 514 |
|
| 515 |
|
| 516 |
/* the syntax is :
|
| 517 |
'bus.addr' (decimal numbers) or
|
| 518 |
'vendor_id:product_id' (hexa numbers) */
|
| 519 |
static int usb_host_find_device(int *pbus_num, int *paddr, |
| 520 |
const char *devname) |
| 521 |
{
|
| 522 |
const char *p; |
| 523 |
int ret;
|
| 524 |
FindDeviceState fs; |
| 525 |
|
| 526 |
p = strchr(devname, '.');
|
| 527 |
if (p) {
|
| 528 |
*pbus_num = strtoul(devname, NULL, 0); |
| 529 |
*paddr = strtoul(p + 1, NULL, 0); |
| 530 |
return 0; |
| 531 |
} |
| 532 |
p = strchr(devname, ':');
|
| 533 |
if (p) {
|
| 534 |
fs.vendor_id = strtoul(devname, NULL, 16); |
| 535 |
fs.product_id = strtoul(p + 1, NULL, 16); |
| 536 |
ret = usb_host_scan(&fs, usb_host_find_device_scan); |
| 537 |
if (ret) {
|
| 538 |
*pbus_num = fs.bus_num; |
| 539 |
*paddr = fs.addr; |
| 540 |
return 0; |
| 541 |
} |
| 542 |
} |
| 543 |
return -1; |
| 544 |
} |
| 545 |
|
| 546 |
/**********************/
|
| 547 |
/* USB host device info */
|
| 548 |
|
| 549 |
struct usb_class_info {
|
| 550 |
int class;
|
| 551 |
const char *class_name; |
| 552 |
}; |
| 553 |
|
| 554 |
static const struct usb_class_info usb_class_info[] = { |
| 555 |
{ USB_CLASS_AUDIO, "Audio"},
|
| 556 |
{ USB_CLASS_COMM, "Communication"},
|
| 557 |
{ USB_CLASS_HID, "HID"},
|
| 558 |
{ USB_CLASS_HUB, "Hub" },
|
| 559 |
{ USB_CLASS_PHYSICAL, "Physical" },
|
| 560 |
{ USB_CLASS_PRINTER, "Printer" },
|
| 561 |
{ USB_CLASS_MASS_STORAGE, "Storage" },
|
| 562 |
{ USB_CLASS_CDC_DATA, "Data" },
|
| 563 |
{ USB_CLASS_APP_SPEC, "Application Specific" },
|
| 564 |
{ USB_CLASS_VENDOR_SPEC, "Vendor Specific" },
|
| 565 |
{ USB_CLASS_STILL_IMAGE, "Still Image" },
|
| 566 |
{ USB_CLASS_CSCID, "Smart Card" },
|
| 567 |
{ USB_CLASS_CONTENT_SEC, "Content Security" },
|
| 568 |
{ -1, NULL }
|
| 569 |
}; |
| 570 |
|
| 571 |
static const char *usb_class_str(uint8_t class) |
| 572 |
{
|
| 573 |
const struct usb_class_info *p; |
| 574 |
for (p = usb_class_info; p->class != -1; p++) { |
| 575 |
if (p->class == class)
|
| 576 |
break;
|
| 577 |
} |
| 578 |
return p->class_name;
|
| 579 |
} |
| 580 |
|
| 581 |
static void usb_info_device(Monitor *mon, int bus_num, int addr, int class_id, |
| 582 |
int vendor_id, int product_id, |
| 583 |
const char *product_name, |
| 584 |
int speed)
|
| 585 |
{
|
| 586 |
const char *class_str, *speed_str; |
| 587 |
|
| 588 |
switch(speed) {
|
| 589 |
case USB_SPEED_LOW:
|
| 590 |
speed_str = "1.5";
|
| 591 |
break;
|
| 592 |
case USB_SPEED_FULL:
|
| 593 |
speed_str = "12";
|
| 594 |
break;
|
| 595 |
case USB_SPEED_HIGH:
|
| 596 |
speed_str = "480";
|
| 597 |
break;
|
| 598 |
default:
|
| 599 |
speed_str = "?";
|
| 600 |
break;
|
| 601 |
} |
| 602 |
|
| 603 |
monitor_printf(mon, " Device %d.%d, speed %s Mb/s\n",
|
| 604 |
bus_num, addr, speed_str); |
| 605 |
class_str = usb_class_str(class_id); |
| 606 |
if (class_str)
|
| 607 |
monitor_printf(mon, " %s:", class_str);
|
| 608 |
else
|
| 609 |
monitor_printf(mon, " Class %02x:", class_id);
|
| 610 |
monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id);
|
| 611 |
if (product_name[0] != '\0') |
| 612 |
monitor_printf(mon, ", %s", product_name);
|
| 613 |
monitor_printf(mon, "\n");
|
| 614 |
} |
| 615 |
|
| 616 |
static int usb_host_info_device(void *opaque, |
| 617 |
int bus_num, int addr, |
| 618 |
int class_id,
|
| 619 |
int vendor_id, int product_id, |
| 620 |
const char *product_name, |
| 621 |
int speed)
|
| 622 |
{
|
| 623 |
Monitor *mon = opaque; |
| 624 |
|
| 625 |
usb_info_device(mon, bus_num, addr, class_id, vendor_id, product_id, |
| 626 |
product_name, speed); |
| 627 |
return 0; |
| 628 |
} |
| 629 |
|
| 630 |
void usb_host_info(Monitor *mon)
|
| 631 |
{
|
| 632 |
usb_host_scan(mon, usb_host_info_device); |
| 633 |
} |
| 634 |
|
| 635 |
/* XXX add this */
|
| 636 |
int usb_host_device_close(const char *devname) |
| 637 |
{
|
| 638 |
return 0; |
| 639 |
} |