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| 1 |
/*
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|---|---|
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* Linux host USB redirector
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*
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* Copyright (c) 2005 Fabrice Bellard
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*
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* Support for host device auto connect & disconnect
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* Copyright (c) 2008 Max Krasnyansky
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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| 11 |
* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 22 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 23 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu-common.h" |
| 28 |
#include "qemu-timer.h" |
| 29 |
#include "hw/usb.h" |
| 30 |
#include "console.h" |
| 31 |
|
| 32 |
#if defined(__linux__)
|
| 33 |
#include <dirent.h> |
| 34 |
#include <sys/ioctl.h> |
| 35 |
#include <linux/usbdevice_fs.h> |
| 36 |
#include <linux/version.h> |
| 37 |
#include <signal.h> |
| 38 |
|
| 39 |
/* We redefine it to avoid version problems */
|
| 40 |
struct usb_ctrltransfer {
|
| 41 |
uint8_t bRequestType; |
| 42 |
uint8_t bRequest; |
| 43 |
uint16_t wValue; |
| 44 |
uint16_t wIndex; |
| 45 |
uint16_t wLength; |
| 46 |
uint32_t timeout; |
| 47 |
void *data;
|
| 48 |
}; |
| 49 |
|
| 50 |
typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id, |
| 51 |
int vendor_id, int product_id, |
| 52 |
const char *product_name, int speed); |
| 53 |
static int usb_host_find_device(int *pbus_num, int *paddr, |
| 54 |
char *product_name, int product_name_size, |
| 55 |
const char *devname); |
| 56 |
|
| 57 |
//#define DEBUG
|
| 58 |
//#define DEBUG_ISOCH
|
| 59 |
//#define USE_ASYNCIO
|
| 60 |
|
| 61 |
#define USBDEVFS_PATH "/proc/bus/usb" |
| 62 |
#define PRODUCT_NAME_SZ 32 |
| 63 |
#define SIG_ISOCOMPLETE (SIGRTMIN+7) |
| 64 |
#define MAX_ENDPOINTS 16 |
| 65 |
|
| 66 |
struct sigaction sigact;
|
| 67 |
|
| 68 |
/* endpoint association data */
|
| 69 |
struct endp_data {
|
| 70 |
uint8_t type; |
| 71 |
}; |
| 72 |
|
| 73 |
|
| 74 |
|
| 75 |
/* FIXME: move USBPacket to PendingURB */
|
| 76 |
typedef struct USBHostDevice { |
| 77 |
USBDevice dev; |
| 78 |
int fd;
|
| 79 |
int pipe_fds[2]; |
| 80 |
USBPacket *packet; |
| 81 |
struct endp_data endp_table[MAX_ENDPOINTS];
|
| 82 |
int configuration;
|
| 83 |
uint8_t descr[1024];
|
| 84 |
int descr_len;
|
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int urbs_ready;
|
| 86 |
|
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QEMUTimer *timer; |
| 88 |
|
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/* Host side address */
|
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int bus_num;
|
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int addr;
|
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|
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struct USBHostDevice *next;
|
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} USBHostDevice; |
| 95 |
|
| 96 |
static USBHostDevice *hostdev_list;
|
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|
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static void hostdev_link(USBHostDevice *dev) |
| 99 |
{
|
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dev->next = hostdev_list; |
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hostdev_list = dev; |
| 102 |
} |
| 103 |
|
| 104 |
static void hostdev_unlink(USBHostDevice *dev) |
| 105 |
{
|
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USBHostDevice *pdev = hostdev_list; |
| 107 |
USBHostDevice **prev = &hostdev_list; |
| 108 |
|
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while (pdev) {
|
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if (pdev == dev) {
|
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*prev = dev->next; |
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return;
|
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} |
| 114 |
|
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prev = &pdev->next; |
| 116 |
pdev = pdev->next; |
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} |
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} |
| 119 |
|
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static USBHostDevice *hostdev_find(int bus_num, int addr) |
| 121 |
{
|
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USBHostDevice *s = hostdev_list; |
| 123 |
while (s) {
|
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if (s->bus_num == bus_num && s->addr == addr)
|
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return s;
|
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s = s->next; |
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} |
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return NULL; |
| 129 |
} |
| 130 |
|
| 131 |
typedef struct PendingURB { |
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struct usbdevfs_urb *urb;
|
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int status;
|
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struct PendingURB *next;
|
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} PendingURB; |
| 136 |
|
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static PendingURB *pending_urbs = NULL; |
| 138 |
|
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static int add_pending_urb(struct usbdevfs_urb *urb) |
| 140 |
{
|
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PendingURB *purb = qemu_mallocz(sizeof(PendingURB));
|
| 142 |
if (purb) {
|
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purb->urb = urb; |
| 144 |
purb->status = 0;
|
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purb->next = pending_urbs; |
| 146 |
pending_urbs = purb; |
| 147 |
return 1; |
| 148 |
} |
| 149 |
return 0; |
| 150 |
} |
| 151 |
|
| 152 |
static int del_pending_urb(struct usbdevfs_urb *urb) |
| 153 |
{
|
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PendingURB *purb = pending_urbs; |
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PendingURB *prev = NULL;
|
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|
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while (purb && purb->urb != urb) {
|
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prev = purb; |
| 159 |
purb = purb->next; |
| 160 |
} |
| 161 |
|
| 162 |
if (purb && purb->urb == urb) {
|
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if (prev) {
|
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prev->next = purb->next; |
| 165 |
} else {
|
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pending_urbs = purb->next; |
| 167 |
} |
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qemu_free(purb); |
| 169 |
return 1; |
| 170 |
} |
| 171 |
return 0; |
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} |
| 173 |
|
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#ifdef USE_ASYNCIO
|
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static PendingURB *get_pending_urb(struct usbdevfs_urb *urb) |
| 176 |
{
|
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PendingURB *purb = pending_urbs; |
| 178 |
|
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while (purb && purb->urb != urb) {
|
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purb = purb->next; |
| 181 |
} |
| 182 |
|
| 183 |
if (purb && purb->urb == urb) {
|
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return purb;
|
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} |
| 186 |
return NULL; |
| 187 |
} |
| 188 |
#endif
|
| 189 |
|
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static int usb_host_update_interfaces(USBHostDevice *dev, int configuration) |
| 191 |
{
|
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int dev_descr_len, config_descr_len;
|
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int interface, nb_interfaces, nb_configurations;
|
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int ret, i;
|
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|
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if (configuration == 0) /* address state - ignore */ |
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return 1; |
| 198 |
|
| 199 |
i = 0;
|
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dev_descr_len = dev->descr[0];
|
| 201 |
if (dev_descr_len > dev->descr_len)
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goto fail;
|
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nb_configurations = dev->descr[17];
|
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|
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i += dev_descr_len; |
| 206 |
while (i < dev->descr_len) {
|
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#ifdef DEBUG
|
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printf("i is %d, descr_len is %d, dl %d, dt %d\n", i, dev->descr_len,
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dev->descr[i], dev->descr[i+1]);
|
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#endif
|
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if (dev->descr[i+1] != USB_DT_CONFIG) { |
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i += dev->descr[i]; |
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continue;
|
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} |
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config_descr_len = dev->descr[i]; |
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|
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#ifdef DEBUG
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printf("config #%d need %d\n", dev->descr[i + 5], configuration); |
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#endif
|
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|
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if (configuration < 0 || configuration == dev->descr[i + 5]) |
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break;
|
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|
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i += config_descr_len; |
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} |
| 226 |
|
| 227 |
if (i >= dev->descr_len) {
|
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printf("usb_host: error - device has no matching configuration\n");
|
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goto fail;
|
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} |
| 231 |
nb_interfaces = dev->descr[i + 4];
|
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|
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#ifdef USBDEVFS_DISCONNECT
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/* earlier Linux 2.4 do not support that */
|
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{
|
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struct usbdevfs_ioctl ctrl;
|
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for (interface = 0; interface < nb_interfaces; interface++) { |
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ctrl.ioctl_code = USBDEVFS_DISCONNECT; |
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ctrl.ifno = interface; |
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ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl); |
| 241 |
if (ret < 0 && errno != ENODATA) { |
| 242 |
perror("USBDEVFS_DISCONNECT");
|
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goto fail;
|
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} |
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} |
| 246 |
} |
| 247 |
#endif
|
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|
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/* XXX: only grab if all interfaces are free */
|
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for (interface = 0; interface < nb_interfaces; interface++) { |
| 251 |
ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface); |
| 252 |
if (ret < 0) { |
| 253 |
if (errno == EBUSY) {
|
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fprintf(stderr, |
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"usb_host: warning - device already grabbed\n");
|
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} else {
|
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perror("USBDEVFS_CLAIMINTERFACE");
|
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} |
| 259 |
fail:
|
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return 0; |
| 261 |
} |
| 262 |
} |
| 263 |
|
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#ifdef DEBUG
|
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printf("usb_host: %d interfaces claimed for configuration %d\n",
|
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nb_interfaces, configuration); |
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#endif
|
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|
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return 1; |
| 270 |
} |
| 271 |
|
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static void usb_host_handle_reset(USBDevice *dev) |
| 273 |
{
|
| 274 |
#if 0
|
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USBHostDevice *s = (USBHostDevice *)dev;
|
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/* USBDEVFS_RESET, but not the first time as it has already be
|
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done by the host OS */
|
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ioctl(s->fd, USBDEVFS_RESET);
|
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#endif
|
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} |
| 281 |
|
| 282 |
static void usb_host_handle_destroy(USBDevice *dev) |
| 283 |
{
|
| 284 |
USBHostDevice *s = (USBHostDevice *)dev; |
| 285 |
|
| 286 |
qemu_del_timer(s->timer); |
| 287 |
|
| 288 |
hostdev_unlink(s); |
| 289 |
|
| 290 |
if (s->fd >= 0) |
| 291 |
close(s->fd); |
| 292 |
|
| 293 |
qemu_free(s); |
| 294 |
} |
| 295 |
|
| 296 |
static int usb_linux_update_endp_table(USBHostDevice *s); |
| 297 |
|
| 298 |
static int usb_host_handle_control(USBDevice *dev, |
| 299 |
int request,
|
| 300 |
int value,
|
| 301 |
int index,
|
| 302 |
int length,
|
| 303 |
uint8_t *data) |
| 304 |
{
|
| 305 |
USBHostDevice *s = (USBHostDevice *)dev; |
| 306 |
struct usb_ctrltransfer ct;
|
| 307 |
struct usbdevfs_setinterface si;
|
| 308 |
int intf_update_required = 0; |
| 309 |
int ret;
|
| 310 |
|
| 311 |
if (request == (DeviceOutRequest | USB_REQ_SET_ADDRESS)) {
|
| 312 |
/* specific SET_ADDRESS support */
|
| 313 |
dev->addr = value; |
| 314 |
return 0; |
| 315 |
} else if (request == ((USB_RECIP_INTERFACE << 8) | |
| 316 |
USB_REQ_SET_INTERFACE)) {
|
| 317 |
/* set alternate setting for the interface */
|
| 318 |
si.interface = index; |
| 319 |
si.altsetting = value; |
| 320 |
ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si); |
| 321 |
usb_linux_update_endp_table(s); |
| 322 |
} else if (request == (DeviceOutRequest | USB_REQ_SET_CONFIGURATION)) { |
| 323 |
#ifdef DEBUG
|
| 324 |
printf("usb_host_handle_control: SET_CONFIGURATION request - "
|
| 325 |
"config %d\n", value & 0xff); |
| 326 |
#endif
|
| 327 |
if (s->configuration != (value & 0xff)) { |
| 328 |
s->configuration = (value & 0xff);
|
| 329 |
intf_update_required = 1;
|
| 330 |
} |
| 331 |
goto do_request;
|
| 332 |
} else {
|
| 333 |
do_request:
|
| 334 |
ct.bRequestType = request >> 8;
|
| 335 |
ct.bRequest = request; |
| 336 |
ct.wValue = value; |
| 337 |
ct.wIndex = index; |
| 338 |
ct.wLength = length; |
| 339 |
ct.timeout = 50;
|
| 340 |
ct.data = data; |
| 341 |
ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); |
| 342 |
} |
| 343 |
|
| 344 |
if (ret < 0) { |
| 345 |
switch(errno) {
|
| 346 |
case ETIMEDOUT:
|
| 347 |
return USB_RET_NAK;
|
| 348 |
default:
|
| 349 |
return USB_RET_STALL;
|
| 350 |
} |
| 351 |
} else {
|
| 352 |
if (intf_update_required) {
|
| 353 |
#ifdef DEBUG
|
| 354 |
printf("usb_host_handle_control: updating interfaces\n");
|
| 355 |
#endif
|
| 356 |
usb_host_update_interfaces(s, value & 0xff);
|
| 357 |
} |
| 358 |
return ret;
|
| 359 |
} |
| 360 |
} |
| 361 |
|
| 362 |
static int usb_host_handle_isoch(USBDevice *dev, USBPacket *p); |
| 363 |
|
| 364 |
static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
| 365 |
{
|
| 366 |
USBHostDevice *s = (USBHostDevice *)dev; |
| 367 |
struct usbdevfs_bulktransfer bt;
|
| 368 |
int ret;
|
| 369 |
uint8_t devep = p->devep; |
| 370 |
|
| 371 |
if (s->endp_table[p->devep - 1].type == USBDEVFS_URB_TYPE_ISO) { |
| 372 |
return usb_host_handle_isoch(dev, p);
|
| 373 |
} |
| 374 |
|
| 375 |
/* XXX: optimize and handle all data types by looking at the
|
| 376 |
config descriptor */
|
| 377 |
if (p->pid == USB_TOKEN_IN)
|
| 378 |
devep |= 0x80;
|
| 379 |
bt.ep = devep; |
| 380 |
bt.len = p->len; |
| 381 |
bt.timeout = 50;
|
| 382 |
bt.data = p->data; |
| 383 |
ret = ioctl(s->fd, USBDEVFS_BULK, &bt); |
| 384 |
if (ret < 0) { |
| 385 |
switch(errno) {
|
| 386 |
case ETIMEDOUT:
|
| 387 |
return USB_RET_NAK;
|
| 388 |
case EPIPE:
|
| 389 |
default:
|
| 390 |
#ifdef DEBUG
|
| 391 |
printf("handle_data: errno=%d\n", errno);
|
| 392 |
#endif
|
| 393 |
return USB_RET_STALL;
|
| 394 |
} |
| 395 |
} else {
|
| 396 |
return ret;
|
| 397 |
} |
| 398 |
} |
| 399 |
|
| 400 |
#ifdef USE_ASYNCIO
|
| 401 |
static void urb_completion_pipe_read(void *opaque) |
| 402 |
{
|
| 403 |
USBHostDevice *s = opaque; |
| 404 |
USBPacket *p = s->packet; |
| 405 |
PendingURB *pending_urb = NULL;
|
| 406 |
struct usbdevfs_urb *purb = NULL; |
| 407 |
int len, ret;
|
| 408 |
|
| 409 |
len = read(s->pipe_fds[0], &pending_urb, sizeof(pending_urb)); |
| 410 |
if (len != sizeof(pending_urb)) { |
| 411 |
printf("urb_completion: error reading pending_urb, len=%d\n", len);
|
| 412 |
return;
|
| 413 |
} |
| 414 |
|
| 415 |
/* FIXME: handle pending_urb->status */
|
| 416 |
del_pending_urb(pending_urb->urb); |
| 417 |
|
| 418 |
if (!p) {
|
| 419 |
s->urbs_ready++; |
| 420 |
return;
|
| 421 |
} |
| 422 |
|
| 423 |
ret = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &purb); |
| 424 |
if (ret < 0) { |
| 425 |
printf("urb_completion: REAPURBNDELAY ioctl=%d errno=%d\n",
|
| 426 |
ret, errno); |
| 427 |
return;
|
| 428 |
} |
| 429 |
|
| 430 |
#ifdef DEBUG_ISOCH
|
| 431 |
if (purb == pending_urb->urb) {
|
| 432 |
printf("urb_completion: urb mismatch reaped=%p pending=%p\n",
|
| 433 |
purb, urb); |
| 434 |
} |
| 435 |
#endif
|
| 436 |
|
| 437 |
p->len = purb->actual_length; |
| 438 |
usb_packet_complete(p); |
| 439 |
qemu_free(purb); |
| 440 |
s->packet = NULL;
|
| 441 |
} |
| 442 |
|
| 443 |
static void isoch_done(int signum, siginfo_t *info, void *context) |
| 444 |
{
|
| 445 |
struct usbdevfs_urb *urb = (struct usbdevfs_urb *)info->si_addr; |
| 446 |
USBHostDevice *s = (USBHostDevice *)urb->usercontext; |
| 447 |
PendingURB *purb; |
| 448 |
|
| 449 |
if (info->si_code != SI_ASYNCIO ||
|
| 450 |
info->si_signo != SIG_ISOCOMPLETE) {
|
| 451 |
return;
|
| 452 |
} |
| 453 |
|
| 454 |
purb = get_pending_urb(urb); |
| 455 |
if (purb) {
|
| 456 |
purb->status = info->si_errno; |
| 457 |
write(s->pipe_fds[1], &purb, sizeof(purb)); |
| 458 |
} |
| 459 |
} |
| 460 |
#endif
|
| 461 |
|
| 462 |
static int usb_host_handle_isoch(USBDevice *dev, USBPacket *p) |
| 463 |
{
|
| 464 |
USBHostDevice *s = (USBHostDevice *)dev; |
| 465 |
struct usbdevfs_urb *urb, *purb = NULL; |
| 466 |
int ret;
|
| 467 |
uint8_t devep = p->devep; |
| 468 |
|
| 469 |
if (p->pid == USB_TOKEN_IN)
|
| 470 |
devep |= 0x80;
|
| 471 |
|
| 472 |
urb = qemu_mallocz(sizeof(struct usbdevfs_urb) + |
| 473 |
sizeof(struct usbdevfs_iso_packet_desc)); |
| 474 |
if (!urb) {
|
| 475 |
printf("usb_host_handle_isoch: malloc failed\n");
|
| 476 |
return 0; |
| 477 |
} |
| 478 |
|
| 479 |
urb->type = USBDEVFS_URB_TYPE_ISO; |
| 480 |
urb->endpoint = devep; |
| 481 |
urb->status = 0;
|
| 482 |
urb->flags = USBDEVFS_URB_ISO_ASAP; |
| 483 |
urb->buffer = p->data; |
| 484 |
urb->buffer_length = p->len; |
| 485 |
urb->actual_length = 0;
|
| 486 |
urb->start_frame = 0;
|
| 487 |
urb->error_count = 0;
|
| 488 |
#ifdef USE_ASYNCIO
|
| 489 |
urb->signr = SIG_ISOCOMPLETE; |
| 490 |
#else
|
| 491 |
urb->signr = 0;
|
| 492 |
#endif
|
| 493 |
urb->usercontext = s; |
| 494 |
urb->number_of_packets = 1;
|
| 495 |
urb->iso_frame_desc[0].length = p->len;
|
| 496 |
urb->iso_frame_desc[0].actual_length = 0; |
| 497 |
urb->iso_frame_desc[0].status = 0; |
| 498 |
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
| 499 |
if (ret == 0) { |
| 500 |
if (!add_pending_urb(urb)) {
|
| 501 |
printf("usb_host_handle_isoch: add_pending_urb failed %p\n", urb);
|
| 502 |
} |
| 503 |
} else {
|
| 504 |
printf("usb_host_handle_isoch: SUBMITURB ioctl=%d errno=%d\n",
|
| 505 |
ret, errno); |
| 506 |
qemu_free(urb); |
| 507 |
switch(errno) {
|
| 508 |
case ETIMEDOUT:
|
| 509 |
return USB_RET_NAK;
|
| 510 |
case EPIPE:
|
| 511 |
default:
|
| 512 |
return USB_RET_STALL;
|
| 513 |
} |
| 514 |
} |
| 515 |
#ifdef USE_ASYNCIO
|
| 516 |
/* FIXME: handle urbs_ready together with sync io
|
| 517 |
* workaround for injecting the signaled urbs into current frame */
|
| 518 |
if (s->urbs_ready > 0) { |
| 519 |
ret = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &purb); |
| 520 |
if (ret == 0) { |
| 521 |
ret = purb->actual_length; |
| 522 |
qemu_free(purb); |
| 523 |
s->urbs_ready--; |
| 524 |
} |
| 525 |
return ret;
|
| 526 |
} |
| 527 |
s->packet = p; |
| 528 |
return USB_RET_ASYNC;
|
| 529 |
#else
|
| 530 |
ret = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &purb); |
| 531 |
if (ret == 0) { |
| 532 |
if (del_pending_urb(purb)) {
|
| 533 |
ret = purb->actual_length; |
| 534 |
qemu_free(purb); |
| 535 |
} else {
|
| 536 |
printf("usb_host_handle_isoch: del_pending_urb failed %p\n", purb);
|
| 537 |
} |
| 538 |
} else {
|
| 539 |
#ifdef DEBUG_ISOCH
|
| 540 |
printf("usb_host_handle_isoch: REAPURBNDELAY ioctl=%d errno=%d\n",
|
| 541 |
ret, errno); |
| 542 |
#endif
|
| 543 |
} |
| 544 |
return ret;
|
| 545 |
#endif
|
| 546 |
} |
| 547 |
|
| 548 |
/* returns 1 on problem encountered or 0 for success */
|
| 549 |
static int usb_linux_update_endp_table(USBHostDevice *s) |
| 550 |
{
|
| 551 |
uint8_t *descriptors; |
| 552 |
uint8_t devep, type, configuration, alt_interface; |
| 553 |
struct usb_ctrltransfer ct;
|
| 554 |
int interface, ret, length, i;
|
| 555 |
|
| 556 |
ct.bRequestType = USB_DIR_IN; |
| 557 |
ct.bRequest = USB_REQ_GET_CONFIGURATION; |
| 558 |
ct.wValue = 0;
|
| 559 |
ct.wIndex = 0;
|
| 560 |
ct.wLength = 1;
|
| 561 |
ct.data = &configuration; |
| 562 |
ct.timeout = 50;
|
| 563 |
|
| 564 |
ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); |
| 565 |
if (ret < 0) { |
| 566 |
perror("usb_linux_update_endp_table");
|
| 567 |
return 1; |
| 568 |
} |
| 569 |
|
| 570 |
/* in address state */
|
| 571 |
if (configuration == 0) |
| 572 |
return 1; |
| 573 |
|
| 574 |
/* get the desired configuration, interface, and endpoint descriptors
|
| 575 |
* from device description */
|
| 576 |
descriptors = &s->descr[18];
|
| 577 |
length = s->descr_len - 18;
|
| 578 |
i = 0;
|
| 579 |
|
| 580 |
if (descriptors[i + 1] != USB_DT_CONFIG || |
| 581 |
descriptors[i + 5] != configuration) {
|
| 582 |
printf("invalid descriptor data - configuration\n");
|
| 583 |
return 1; |
| 584 |
} |
| 585 |
i += descriptors[i]; |
| 586 |
|
| 587 |
while (i < length) {
|
| 588 |
if (descriptors[i + 1] != USB_DT_INTERFACE || |
| 589 |
(descriptors[i + 1] == USB_DT_INTERFACE &&
|
| 590 |
descriptors[i + 4] == 0)) { |
| 591 |
i += descriptors[i]; |
| 592 |
continue;
|
| 593 |
} |
| 594 |
|
| 595 |
interface = descriptors[i + 2];
|
| 596 |
|
| 597 |
ct.bRequestType = USB_DIR_IN | USB_RECIP_INTERFACE; |
| 598 |
ct.bRequest = USB_REQ_GET_INTERFACE; |
| 599 |
ct.wValue = 0;
|
| 600 |
ct.wIndex = interface; |
| 601 |
ct.wLength = 1;
|
| 602 |
ct.data = &alt_interface; |
| 603 |
ct.timeout = 50;
|
| 604 |
|
| 605 |
ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); |
| 606 |
if (ret < 0) { |
| 607 |
perror("usb_linux_update_endp_table");
|
| 608 |
return 1; |
| 609 |
} |
| 610 |
|
| 611 |
/* the current interface descriptor is the active interface
|
| 612 |
* and has endpoints */
|
| 613 |
if (descriptors[i + 3] != alt_interface) { |
| 614 |
i += descriptors[i]; |
| 615 |
continue;
|
| 616 |
} |
| 617 |
|
| 618 |
/* advance to the endpoints */
|
| 619 |
while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) |
| 620 |
i += descriptors[i]; |
| 621 |
|
| 622 |
if (i >= length)
|
| 623 |
break;
|
| 624 |
|
| 625 |
while (i < length) {
|
| 626 |
if (descriptors[i + 1] != USB_DT_ENDPOINT) |
| 627 |
break;
|
| 628 |
|
| 629 |
devep = descriptors[i + 2];
|
| 630 |
switch (descriptors[i + 3] & 0x3) { |
| 631 |
case 0x00: |
| 632 |
type = USBDEVFS_URB_TYPE_CONTROL; |
| 633 |
break;
|
| 634 |
case 0x01: |
| 635 |
type = USBDEVFS_URB_TYPE_ISO; |
| 636 |
break;
|
| 637 |
case 0x02: |
| 638 |
type = USBDEVFS_URB_TYPE_BULK; |
| 639 |
break;
|
| 640 |
case 0x03: |
| 641 |
type = USBDEVFS_URB_TYPE_INTERRUPT; |
| 642 |
break;
|
| 643 |
default:
|
| 644 |
printf("usb_host: malformed endpoint type\n");
|
| 645 |
type = USBDEVFS_URB_TYPE_BULK; |
| 646 |
} |
| 647 |
s->endp_table[(devep & 0xf) - 1].type = type; |
| 648 |
|
| 649 |
i += descriptors[i]; |
| 650 |
} |
| 651 |
} |
| 652 |
return 0; |
| 653 |
} |
| 654 |
|
| 655 |
static void usb_host_device_check(void *priv) |
| 656 |
{
|
| 657 |
USBHostDevice *s = priv; |
| 658 |
struct usbdevfs_connectinfo ci;
|
| 659 |
int err;
|
| 660 |
|
| 661 |
err = ioctl(s->fd, USBDEVFS_CONNECTINFO, &ci); |
| 662 |
if (err < 0) { |
| 663 |
printf("usb device %d.%d disconnected\n", 0, s->dev.addr); |
| 664 |
usb_device_del_addr(0, s->dev.addr);
|
| 665 |
return;
|
| 666 |
} |
| 667 |
|
| 668 |
qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
|
| 669 |
} |
| 670 |
|
| 671 |
static USBDevice *usb_host_device_open_addr(int bus_num, int addr, const char *prod_name) |
| 672 |
{
|
| 673 |
int fd = -1, ret; |
| 674 |
USBHostDevice *dev = NULL;
|
| 675 |
struct usbdevfs_connectinfo ci;
|
| 676 |
char buf[1024]; |
| 677 |
|
| 678 |
dev = qemu_mallocz(sizeof(USBHostDevice));
|
| 679 |
if (!dev)
|
| 680 |
goto fail;
|
| 681 |
|
| 682 |
dev->bus_num = bus_num; |
| 683 |
dev->addr = addr; |
| 684 |
|
| 685 |
dev->timer = qemu_new_timer(rt_clock, usb_host_device_check, (void *) dev);
|
| 686 |
if (!dev->timer)
|
| 687 |
goto fail;
|
| 688 |
|
| 689 |
#ifdef DEBUG
|
| 690 |
printf("usb_host_device_open %d.%d\n", bus_num, addr);
|
| 691 |
#endif
|
| 692 |
|
| 693 |
snprintf(buf, sizeof(buf), USBDEVFS_PATH "/%03d/%03d", |
| 694 |
bus_num, addr); |
| 695 |
fd = open(buf, O_RDWR | O_NONBLOCK); |
| 696 |
if (fd < 0) { |
| 697 |
perror(buf); |
| 698 |
goto fail;
|
| 699 |
} |
| 700 |
|
| 701 |
/* read the device description */
|
| 702 |
dev->descr_len = read(fd, dev->descr, sizeof(dev->descr));
|
| 703 |
if (dev->descr_len <= 0) { |
| 704 |
perror("usb_host_device_open: reading device data failed");
|
| 705 |
goto fail;
|
| 706 |
} |
| 707 |
|
| 708 |
#ifdef DEBUG
|
| 709 |
{
|
| 710 |
int x;
|
| 711 |
printf("=== begin dumping device descriptor data ===\n");
|
| 712 |
for (x = 0; x < dev->descr_len; x++) |
| 713 |
printf("%02x ", dev->descr[x]);
|
| 714 |
printf("\n=== end dumping device descriptor data ===\n");
|
| 715 |
} |
| 716 |
#endif
|
| 717 |
|
| 718 |
dev->fd = fd; |
| 719 |
dev->configuration = 1;
|
| 720 |
|
| 721 |
/* XXX - do something about initial configuration */
|
| 722 |
if (!usb_host_update_interfaces(dev, -1)) |
| 723 |
goto fail;
|
| 724 |
|
| 725 |
ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); |
| 726 |
if (ret < 0) { |
| 727 |
perror("usb_host_device_open: USBDEVFS_CONNECTINFO");
|
| 728 |
goto fail;
|
| 729 |
} |
| 730 |
|
| 731 |
#ifdef DEBUG
|
| 732 |
printf("host USB device %d.%d grabbed\n", bus_num, addr);
|
| 733 |
#endif
|
| 734 |
|
| 735 |
ret = usb_linux_update_endp_table(dev); |
| 736 |
if (ret)
|
| 737 |
goto fail;
|
| 738 |
|
| 739 |
if (ci.slow)
|
| 740 |
dev->dev.speed = USB_SPEED_LOW; |
| 741 |
else
|
| 742 |
dev->dev.speed = USB_SPEED_HIGH; |
| 743 |
dev->dev.handle_packet = usb_generic_handle_packet; |
| 744 |
|
| 745 |
dev->dev.handle_reset = usb_host_handle_reset; |
| 746 |
dev->dev.handle_control = usb_host_handle_control; |
| 747 |
dev->dev.handle_data = usb_host_handle_data; |
| 748 |
dev->dev.handle_destroy = usb_host_handle_destroy; |
| 749 |
|
| 750 |
if (!prod_name || prod_name[0] == '\0') |
| 751 |
snprintf(dev->dev.devname, sizeof(dev->dev.devname),
|
| 752 |
"host:%d.%d", bus_num, addr);
|
| 753 |
else
|
| 754 |
pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
|
| 755 |
prod_name); |
| 756 |
|
| 757 |
#ifdef USE_ASYNCIO
|
| 758 |
/* set up the signal handlers */
|
| 759 |
sigemptyset(&sigact.sa_mask); |
| 760 |
sigact.sa_sigaction = isoch_done; |
| 761 |
sigact.sa_flags = SA_SIGINFO; |
| 762 |
sigact.sa_restorer = 0;
|
| 763 |
ret = sigaction(SIG_ISOCOMPLETE, &sigact, NULL);
|
| 764 |
if (ret < 0) { |
| 765 |
perror("usb_host_device_open: sigaction failed");
|
| 766 |
goto fail;
|
| 767 |
} |
| 768 |
|
| 769 |
if (pipe(dev->pipe_fds) < 0) { |
| 770 |
perror("usb_host_device_open: pipe creation failed");
|
| 771 |
goto fail;
|
| 772 |
} |
| 773 |
fcntl(dev->pipe_fds[0], F_SETFL, O_NONBLOCK | O_ASYNC);
|
| 774 |
fcntl(dev->pipe_fds[1], F_SETFL, O_NONBLOCK);
|
| 775 |
qemu_set_fd_handler(dev->pipe_fds[0], urb_completion_pipe_read, NULL, dev); |
| 776 |
#endif
|
| 777 |
|
| 778 |
/* Start the timer to detect disconnect */
|
| 779 |
qemu_mod_timer(dev->timer, qemu_get_clock(rt_clock) + 1000);
|
| 780 |
|
| 781 |
hostdev_link(dev); |
| 782 |
|
| 783 |
dev->urbs_ready = 0;
|
| 784 |
return (USBDevice *)dev;
|
| 785 |
|
| 786 |
fail:
|
| 787 |
if (dev) {
|
| 788 |
if (dev->timer)
|
| 789 |
qemu_del_timer(dev->timer); |
| 790 |
qemu_free(dev); |
| 791 |
} |
| 792 |
close(fd); |
| 793 |
return NULL; |
| 794 |
} |
| 795 |
|
| 796 |
USBDevice *usb_host_device_open(const char *devname) |
| 797 |
{
|
| 798 |
int bus_num, addr;
|
| 799 |
char product_name[PRODUCT_NAME_SZ];
|
| 800 |
|
| 801 |
if (usb_host_find_device(&bus_num, &addr,
|
| 802 |
product_name, sizeof(product_name),
|
| 803 |
devname) < 0)
|
| 804 |
return NULL; |
| 805 |
|
| 806 |
if (hostdev_find(bus_num, addr)) {
|
| 807 |
printf("host usb device %d.%d is already open\n", bus_num, addr);
|
| 808 |
return NULL; |
| 809 |
} |
| 810 |
|
| 811 |
return usb_host_device_open_addr(bus_num, addr, product_name);
|
| 812 |
} |
| 813 |
|
| 814 |
static int get_tag_value(char *buf, int buf_size, |
| 815 |
const char *str, const char *tag, |
| 816 |
const char *stopchars) |
| 817 |
{
|
| 818 |
const char *p; |
| 819 |
char *q;
|
| 820 |
p = strstr(str, tag); |
| 821 |
if (!p)
|
| 822 |
return -1; |
| 823 |
p += strlen(tag); |
| 824 |
while (isspace(*p))
|
| 825 |
p++; |
| 826 |
q = buf; |
| 827 |
while (*p != '\0' && !strchr(stopchars, *p)) { |
| 828 |
if ((q - buf) < (buf_size - 1)) |
| 829 |
*q++ = *p; |
| 830 |
p++; |
| 831 |
} |
| 832 |
*q = '\0';
|
| 833 |
return q - buf;
|
| 834 |
} |
| 835 |
|
| 836 |
static int usb_host_scan(void *opaque, USBScanFunc *func) |
| 837 |
{
|
| 838 |
FILE *f; |
| 839 |
char line[1024]; |
| 840 |
char buf[1024]; |
| 841 |
int bus_num, addr, speed, device_count, class_id, product_id, vendor_id;
|
| 842 |
int ret;
|
| 843 |
char product_name[512]; |
| 844 |
|
| 845 |
f = fopen(USBDEVFS_PATH "/devices", "r"); |
| 846 |
if (!f) {
|
| 847 |
term_printf("Could not open %s\n", USBDEVFS_PATH "/devices"); |
| 848 |
return 0; |
| 849 |
} |
| 850 |
device_count = 0;
|
| 851 |
bus_num = addr = speed = class_id = product_id = vendor_id = 0;
|
| 852 |
ret = 0;
|
| 853 |
for(;;) {
|
| 854 |
if (fgets(line, sizeof(line), f) == NULL) |
| 855 |
break;
|
| 856 |
if (strlen(line) > 0) |
| 857 |
line[strlen(line) - 1] = '\0'; |
| 858 |
if (line[0] == 'T' && line[1] == ':') { |
| 859 |
if (device_count && (vendor_id || product_id)) {
|
| 860 |
/* New device. Add the previously discovered device. */
|
| 861 |
ret = func(opaque, bus_num, addr, class_id, vendor_id, |
| 862 |
product_id, product_name, speed); |
| 863 |
if (ret)
|
| 864 |
goto the_end;
|
| 865 |
} |
| 866 |
if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) |
| 867 |
goto fail;
|
| 868 |
bus_num = atoi(buf); |
| 869 |
if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) |
| 870 |
goto fail;
|
| 871 |
addr = atoi(buf); |
| 872 |
if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) |
| 873 |
goto fail;
|
| 874 |
if (!strcmp(buf, "480")) |
| 875 |
speed = USB_SPEED_HIGH; |
| 876 |
else if (!strcmp(buf, "1.5")) |
| 877 |
speed = USB_SPEED_LOW; |
| 878 |
else
|
| 879 |
speed = USB_SPEED_FULL; |
| 880 |
product_name[0] = '\0'; |
| 881 |
class_id = 0xff;
|
| 882 |
device_count++; |
| 883 |
product_id = 0;
|
| 884 |
vendor_id = 0;
|
| 885 |
} else if (line[0] == 'P' && line[1] == ':') { |
| 886 |
if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) |
| 887 |
goto fail;
|
| 888 |
vendor_id = strtoul(buf, NULL, 16); |
| 889 |
if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) |
| 890 |
goto fail;
|
| 891 |
product_id = strtoul(buf, NULL, 16); |
| 892 |
} else if (line[0] == 'S' && line[1] == ':') { |
| 893 |
if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) |
| 894 |
goto fail;
|
| 895 |
pstrcpy(product_name, sizeof(product_name), buf);
|
| 896 |
} else if (line[0] == 'D' && line[1] == ':') { |
| 897 |
if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) |
| 898 |
goto fail;
|
| 899 |
class_id = strtoul(buf, NULL, 16); |
| 900 |
} |
| 901 |
fail: ;
|
| 902 |
} |
| 903 |
if (device_count && (vendor_id || product_id)) {
|
| 904 |
/* Add the last device. */
|
| 905 |
ret = func(opaque, bus_num, addr, class_id, vendor_id, |
| 906 |
product_id, product_name, speed); |
| 907 |
} |
| 908 |
the_end:
|
| 909 |
fclose(f); |
| 910 |
return ret;
|
| 911 |
} |
| 912 |
|
| 913 |
struct USBAutoFilter {
|
| 914 |
struct USBAutoFilter *next;
|
| 915 |
int bus_num;
|
| 916 |
int addr;
|
| 917 |
int vendor_id;
|
| 918 |
int product_id;
|
| 919 |
}; |
| 920 |
|
| 921 |
static QEMUTimer *usb_auto_timer;
|
| 922 |
static struct USBAutoFilter *usb_auto_filter; |
| 923 |
|
| 924 |
static int usb_host_auto_scan(void *opaque, int bus_num, int addr, |
| 925 |
int class_id, int vendor_id, int product_id, |
| 926 |
const char *product_name, int speed) |
| 927 |
{
|
| 928 |
struct USBAutoFilter *f;
|
| 929 |
struct USBDevice *dev;
|
| 930 |
|
| 931 |
/* Ignore hubs */
|
| 932 |
if (class_id == 9) |
| 933 |
return 0; |
| 934 |
|
| 935 |
for (f = usb_auto_filter; f; f = f->next) {
|
| 936 |
// printf("Auto match: bus_num %d addr %d vid %d pid %d\n",
|
| 937 |
// bus_num, addr, vendor_id, product_id);
|
| 938 |
|
| 939 |
if (f->bus_num >= 0 && f->bus_num != bus_num) |
| 940 |
continue;
|
| 941 |
|
| 942 |
if (f->addr >= 0 && f->addr != addr) |
| 943 |
continue;
|
| 944 |
|
| 945 |
if (f->vendor_id >= 0 && f->vendor_id != vendor_id) |
| 946 |
continue;
|
| 947 |
|
| 948 |
if (f->product_id >= 0 && f->product_id != product_id) |
| 949 |
continue;
|
| 950 |
|
| 951 |
/* We got a match */
|
| 952 |
|
| 953 |
/* Allredy attached ? */
|
| 954 |
if (hostdev_find(bus_num, addr))
|
| 955 |
return 0; |
| 956 |
|
| 957 |
printf("Auto open: bus_num %d addr %d\n", bus_num, addr);
|
| 958 |
|
| 959 |
dev = usb_host_device_open_addr(bus_num, addr, product_name); |
| 960 |
if (dev)
|
| 961 |
usb_device_add_dev(dev); |
| 962 |
} |
| 963 |
|
| 964 |
return 0; |
| 965 |
} |
| 966 |
|
| 967 |
static void usb_host_auto_timer(void *unused) |
| 968 |
{
|
| 969 |
usb_host_scan(NULL, usb_host_auto_scan);
|
| 970 |
qemu_mod_timer(usb_auto_timer, qemu_get_clock(rt_clock) + 2000);
|
| 971 |
} |
| 972 |
|
| 973 |
/*
|
| 974 |
* Add autoconnect filter
|
| 975 |
* -1 means 'any' (device, vendor, etc)
|
| 976 |
*/
|
| 977 |
static void usb_host_auto_add(int bus_num, int addr, int vendor_id, int product_id) |
| 978 |
{
|
| 979 |
struct USBAutoFilter *f = qemu_mallocz(sizeof(*f)); |
| 980 |
if (!f) {
|
| 981 |
printf("Failed to allocate auto filter\n");
|
| 982 |
return;
|
| 983 |
} |
| 984 |
|
| 985 |
f->bus_num = bus_num; |
| 986 |
f->addr = addr; |
| 987 |
f->vendor_id = vendor_id; |
| 988 |
f->product_id = product_id; |
| 989 |
|
| 990 |
if (!usb_auto_filter) {
|
| 991 |
/*
|
| 992 |
* First entry. Init and start the monitor.
|
| 993 |
* Right now we're using timer to check for new devices.
|
| 994 |
* If this turns out to be too expensive we can move that into a
|
| 995 |
* separate thread.
|
| 996 |
*/
|
| 997 |
usb_auto_timer = qemu_new_timer(rt_clock, usb_host_auto_timer, NULL);
|
| 998 |
if (!usb_auto_timer) {
|
| 999 |
printf("Failed to allocate timer\n");
|
| 1000 |
qemu_free(f); |
| 1001 |
return;
|
| 1002 |
} |
| 1003 |
|
| 1004 |
/* Check for new devices every two seconds */
|
| 1005 |
qemu_mod_timer(usb_auto_timer, qemu_get_clock(rt_clock) + 2000);
|
| 1006 |
} |
| 1007 |
|
| 1008 |
printf("Auto filter: bus_num %d addr %d vid %d pid %d\n",
|
| 1009 |
bus_num, addr, vendor_id, product_id); |
| 1010 |
|
| 1011 |
f->next = usb_auto_filter; |
| 1012 |
usb_auto_filter = f; |
| 1013 |
} |
| 1014 |
|
| 1015 |
typedef struct FindDeviceState { |
| 1016 |
int vendor_id;
|
| 1017 |
int product_id;
|
| 1018 |
int bus_num;
|
| 1019 |
int addr;
|
| 1020 |
char product_name[PRODUCT_NAME_SZ];
|
| 1021 |
} FindDeviceState; |
| 1022 |
|
| 1023 |
static int usb_host_find_device_scan(void *opaque, int bus_num, int addr, |
| 1024 |
int class_id,
|
| 1025 |
int vendor_id, int product_id, |
| 1026 |
const char *product_name, int speed) |
| 1027 |
{
|
| 1028 |
FindDeviceState *s = opaque; |
| 1029 |
if ((vendor_id == s->vendor_id &&
|
| 1030 |
product_id == s->product_id) || |
| 1031 |
(bus_num == s->bus_num && |
| 1032 |
addr == s->addr)) {
|
| 1033 |
pstrcpy(s->product_name, PRODUCT_NAME_SZ, product_name); |
| 1034 |
s->bus_num = bus_num; |
| 1035 |
s->addr = addr; |
| 1036 |
return 1; |
| 1037 |
} else {
|
| 1038 |
return 0; |
| 1039 |
} |
| 1040 |
} |
| 1041 |
|
| 1042 |
/* the syntax is :
|
| 1043 |
'bus.addr' (decimal numbers) or
|
| 1044 |
'vendor_id:product_id' (hexa numbers) */
|
| 1045 |
static int usb_host_find_device(int *pbus_num, int *paddr, |
| 1046 |
char *product_name, int product_name_size, |
| 1047 |
const char *devname) |
| 1048 |
{
|
| 1049 |
const char *p; |
| 1050 |
int ret;
|
| 1051 |
FindDeviceState fs; |
| 1052 |
|
| 1053 |
p = strchr(devname, '.');
|
| 1054 |
if (p) {
|
| 1055 |
*pbus_num = strtoul(devname, NULL, 0); |
| 1056 |
|
| 1057 |
if (*(p + 1) == '*') { |
| 1058 |
usb_host_auto_add(*pbus_num, -1, -1, -1); |
| 1059 |
return -1; |
| 1060 |
} |
| 1061 |
|
| 1062 |
*paddr = strtoul(p + 1, NULL, 0); |
| 1063 |
fs.bus_num = *pbus_num; |
| 1064 |
fs.addr = *paddr; |
| 1065 |
ret = usb_host_scan(&fs, usb_host_find_device_scan); |
| 1066 |
if (ret)
|
| 1067 |
pstrcpy(product_name, product_name_size, fs.product_name); |
| 1068 |
return 0; |
| 1069 |
} |
| 1070 |
p = strchr(devname, ':');
|
| 1071 |
if (p) {
|
| 1072 |
fs.vendor_id = strtoul(devname, NULL, 16); |
| 1073 |
|
| 1074 |
if (*(p + 1) == '*') { |
| 1075 |
usb_host_auto_add(-1, -1, fs.vendor_id, -1); |
| 1076 |
return -1; |
| 1077 |
} |
| 1078 |
|
| 1079 |
fs.product_id = strtoul(p + 1, NULL, 16); |
| 1080 |
ret = usb_host_scan(&fs, usb_host_find_device_scan); |
| 1081 |
if (ret) {
|
| 1082 |
*pbus_num = fs.bus_num; |
| 1083 |
*paddr = fs.addr; |
| 1084 |
pstrcpy(product_name, product_name_size, fs.product_name); |
| 1085 |
return 0; |
| 1086 |
} |
| 1087 |
} |
| 1088 |
return -1; |
| 1089 |
} |
| 1090 |
|
| 1091 |
/**********************/
|
| 1092 |
/* USB host device info */
|
| 1093 |
|
| 1094 |
struct usb_class_info {
|
| 1095 |
int class;
|
| 1096 |
const char *class_name; |
| 1097 |
}; |
| 1098 |
|
| 1099 |
static const struct usb_class_info usb_class_info[] = { |
| 1100 |
{ USB_CLASS_AUDIO, "Audio"},
|
| 1101 |
{ USB_CLASS_COMM, "Communication"},
|
| 1102 |
{ USB_CLASS_HID, "HID"},
|
| 1103 |
{ USB_CLASS_HUB, "Hub" },
|
| 1104 |
{ USB_CLASS_PHYSICAL, "Physical" },
|
| 1105 |
{ USB_CLASS_PRINTER, "Printer" },
|
| 1106 |
{ USB_CLASS_MASS_STORAGE, "Storage" },
|
| 1107 |
{ USB_CLASS_CDC_DATA, "Data" },
|
| 1108 |
{ USB_CLASS_APP_SPEC, "Application Specific" },
|
| 1109 |
{ USB_CLASS_VENDOR_SPEC, "Vendor Specific" },
|
| 1110 |
{ USB_CLASS_STILL_IMAGE, "Still Image" },
|
| 1111 |
{ USB_CLASS_CSCID, "Smart Card" },
|
| 1112 |
{ USB_CLASS_CONTENT_SEC, "Content Security" },
|
| 1113 |
{ -1, NULL }
|
| 1114 |
}; |
| 1115 |
|
| 1116 |
static const char *usb_class_str(uint8_t class) |
| 1117 |
{
|
| 1118 |
const struct usb_class_info *p; |
| 1119 |
for(p = usb_class_info; p->class != -1; p++) { |
| 1120 |
if (p->class == class)
|
| 1121 |
break;
|
| 1122 |
} |
| 1123 |
return p->class_name;
|
| 1124 |
} |
| 1125 |
|
| 1126 |
static void usb_info_device(int bus_num, int addr, int class_id, |
| 1127 |
int vendor_id, int product_id, |
| 1128 |
const char *product_name, |
| 1129 |
int speed)
|
| 1130 |
{
|
| 1131 |
const char *class_str, *speed_str; |
| 1132 |
|
| 1133 |
switch(speed) {
|
| 1134 |
case USB_SPEED_LOW:
|
| 1135 |
speed_str = "1.5";
|
| 1136 |
break;
|
| 1137 |
case USB_SPEED_FULL:
|
| 1138 |
speed_str = "12";
|
| 1139 |
break;
|
| 1140 |
case USB_SPEED_HIGH:
|
| 1141 |
speed_str = "480";
|
| 1142 |
break;
|
| 1143 |
default:
|
| 1144 |
speed_str = "?";
|
| 1145 |
break;
|
| 1146 |
} |
| 1147 |
|
| 1148 |
term_printf(" Device %d.%d, speed %s Mb/s\n",
|
| 1149 |
bus_num, addr, speed_str); |
| 1150 |
class_str = usb_class_str(class_id); |
| 1151 |
if (class_str)
|
| 1152 |
term_printf(" %s:", class_str);
|
| 1153 |
else
|
| 1154 |
term_printf(" Class %02x:", class_id);
|
| 1155 |
term_printf(" USB device %04x:%04x", vendor_id, product_id);
|
| 1156 |
if (product_name[0] != '\0') |
| 1157 |
term_printf(", %s", product_name);
|
| 1158 |
term_printf("\n");
|
| 1159 |
} |
| 1160 |
|
| 1161 |
static int usb_host_info_device(void *opaque, int bus_num, int addr, |
| 1162 |
int class_id,
|
| 1163 |
int vendor_id, int product_id, |
| 1164 |
const char *product_name, |
| 1165 |
int speed)
|
| 1166 |
{
|
| 1167 |
usb_info_device(bus_num, addr, class_id, vendor_id, product_id, |
| 1168 |
product_name, speed); |
| 1169 |
return 0; |
| 1170 |
} |
| 1171 |
|
| 1172 |
void usb_host_info(void) |
| 1173 |
{
|
| 1174 |
usb_host_scan(NULL, usb_host_info_device);
|
| 1175 |
} |
| 1176 |
|
| 1177 |
|
| 1178 |
|
| 1179 |
|
| 1180 |
#else
|
| 1181 |
|
| 1182 |
void usb_host_info(void) |
| 1183 |
{
|
| 1184 |
term_printf("USB host devices not supported\n");
|
| 1185 |
} |
| 1186 |
|
| 1187 |
/* XXX: modify configure to compile the right host driver */
|
| 1188 |
USBDevice *usb_host_device_open(const char *devname) |
| 1189 |
{
|
| 1190 |
return NULL; |
| 1191 |
} |
| 1192 |
|
| 1193 |
#endif
|