bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Linux host USB redirector |
| 3 | * |
| 4 | * Copyright (c) 2005 Fabrice Bellard |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 5 | * |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 6 | * Copyright (c) 2008 Max Krasnyansky |
| 7 | * Support for host device auto connect & disconnect |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 8 | * Major rewrite to support fully async operation |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 9 | * |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 10 | * Copyright 2008 TJ <linux@tjworld.net> |
| 11 | * Added flexible support for /dev/bus/usb /sys/bus/usb/devices in addition |
| 12 | * to the legacy /proc/bus/usb USB device discovery and handling |
| 13 | * |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 14 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 15 | * of this software and associated documentation files (the "Software"), to deal |
| 16 | * in the Software without restriction, including without limitation the rights |
| 17 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 18 | * copies of the Software, and to permit persons to whom the Software is |
| 19 | * furnished to do so, subject to the following conditions: |
| 20 | * |
| 21 | * The above copyright notice and this permission notice shall be included in |
| 22 | * all copies or substantial portions of the Software. |
| 23 | * |
| 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 27 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 29 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 30 | * THE SOFTWARE. |
| 31 | */ |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 32 | |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 33 | #include "qemu-common.h" |
aliguori | 1f3870a | 2008-08-21 19:27:48 +0000 | [diff] [blame] | 34 | #include "qemu-timer.h" |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 35 | #include "monitor.h" |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 36 | |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 37 | #include <dirent.h> |
| 38 | #include <sys/ioctl.h> |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 39 | #include <signal.h> |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 40 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 41 | #include <linux/usbdevice_fs.h> |
| 42 | #include <linux/version.h> |
| 43 | #include "hw/usb.h" |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 44 | |
blueswir1 | d9cf157 | 2008-09-15 14:57:11 +0000 | [diff] [blame] | 45 | /* We redefine it to avoid version problems */ |
| 46 | struct usb_ctrltransfer { |
| 47 | uint8_t bRequestType; |
| 48 | uint8_t bRequest; |
| 49 | uint16_t wValue; |
| 50 | uint16_t wIndex; |
| 51 | uint16_t wLength; |
| 52 | uint32_t timeout; |
| 53 | void *data; |
| 54 | }; |
| 55 | |
| 56 | struct usb_ctrlrequest { |
| 57 | uint8_t bRequestType; |
| 58 | uint8_t bRequest; |
| 59 | uint16_t wValue; |
| 60 | uint16_t wIndex; |
| 61 | uint16_t wLength; |
| 62 | }; |
| 63 | |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 64 | typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id, |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 65 | int vendor_id, int product_id, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 66 | const char *product_name, int speed); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 67 | |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 68 | //#define DEBUG |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 69 | |
| 70 | #ifdef DEBUG |
| 71 | #define dprintf printf |
| 72 | #else |
| 73 | #define dprintf(...) |
| 74 | #endif |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 75 | |
blueswir1 | 5be8e1f | 2008-10-25 11:47:20 +0000 | [diff] [blame] | 76 | #define USBDBG_DEVOPENED "husb: opened %s/devices\n" |
| 77 | |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 78 | #define USBPROCBUS_PATH "/proc/bus/usb" |
bellard | 1f6e24e | 2006-06-26 21:00:51 +0000 | [diff] [blame] | 79 | #define PRODUCT_NAME_SZ 32 |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 80 | #define MAX_ENDPOINTS 16 |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 81 | #define USBDEVBUS_PATH "/dev/bus/usb" |
| 82 | #define USBSYSBUS_PATH "/sys/bus/usb" |
| 83 | |
| 84 | static char *usb_host_device_path; |
| 85 | |
| 86 | #define USB_FS_NONE 0 |
| 87 | #define USB_FS_PROC 1 |
| 88 | #define USB_FS_DEV 2 |
| 89 | #define USB_FS_SYS 3 |
| 90 | |
| 91 | static int usb_fs_type; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 92 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 93 | /* endpoint association data */ |
| 94 | struct endp_data { |
| 95 | uint8_t type; |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 96 | uint8_t halted; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 97 | }; |
| 98 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 99 | enum { |
| 100 | CTRL_STATE_IDLE = 0, |
| 101 | CTRL_STATE_SETUP, |
| 102 | CTRL_STATE_DATA, |
| 103 | CTRL_STATE_ACK |
| 104 | }; |
| 105 | |
| 106 | /* |
| 107 | * Control transfer state. |
| 108 | * Note that 'buffer' _must_ follow 'req' field because |
| 109 | * we need contigious buffer when we submit control URB. |
| 110 | */ |
| 111 | struct ctrl_struct { |
| 112 | uint16_t len; |
| 113 | uint16_t offset; |
| 114 | uint8_t state; |
| 115 | struct usb_ctrlrequest req; |
Jim Paris | c4c0e23 | 2009-08-24 14:56:12 -0400 | [diff] [blame] | 116 | uint8_t buffer[2048]; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 117 | }; |
| 118 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 119 | struct USBAutoFilter { |
| 120 | uint32_t bus_num; |
| 121 | uint32_t addr; |
| 122 | uint32_t vendor_id; |
| 123 | uint32_t product_id; |
| 124 | }; |
| 125 | |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 126 | typedef struct USBHostDevice { |
| 127 | USBDevice dev; |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 128 | int fd; |
| 129 | |
| 130 | uint8_t descr[1024]; |
| 131 | int descr_len; |
| 132 | int configuration; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 133 | int ninterfaces; |
aliguori | 24772c1 | 2008-08-21 19:31:52 +0000 | [diff] [blame] | 134 | int closing; |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 135 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 136 | struct ctrl_struct ctrl; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 137 | struct endp_data endp_table[MAX_ENDPOINTS]; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 138 | |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 139 | /* Host side address */ |
| 140 | int bus_num; |
| 141 | int addr; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 142 | struct USBAutoFilter match; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 143 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 144 | QTAILQ_ENTRY(USBHostDevice) next; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 145 | } USBHostDevice; |
| 146 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 147 | static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs); |
| 148 | |
| 149 | static int usb_host_close(USBHostDevice *dev); |
| 150 | static int parse_filter(const char *spec, struct USBAutoFilter *f); |
| 151 | static void usb_host_auto_check(void *unused); |
| 152 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 153 | static int is_isoc(USBHostDevice *s, int ep) |
| 154 | { |
| 155 | return s->endp_table[ep - 1].type == USBDEVFS_URB_TYPE_ISO; |
| 156 | } |
| 157 | |
| 158 | static int is_halted(USBHostDevice *s, int ep) |
| 159 | { |
| 160 | return s->endp_table[ep - 1].halted; |
| 161 | } |
| 162 | |
| 163 | static void clear_halt(USBHostDevice *s, int ep) |
| 164 | { |
| 165 | s->endp_table[ep - 1].halted = 0; |
| 166 | } |
| 167 | |
| 168 | static void set_halt(USBHostDevice *s, int ep) |
| 169 | { |
| 170 | s->endp_table[ep - 1].halted = 1; |
| 171 | } |
| 172 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 173 | /* |
| 174 | * Async URB state. |
| 175 | * We always allocate one isoc descriptor even for bulk transfers |
| 176 | * to simplify allocation and casts. |
| 177 | */ |
| 178 | typedef struct AsyncURB |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 179 | { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 180 | struct usbdevfs_urb urb; |
| 181 | struct usbdevfs_iso_packet_desc isocpd; |
| 182 | |
| 183 | USBPacket *packet; |
| 184 | USBHostDevice *hdev; |
| 185 | } AsyncURB; |
| 186 | |
| 187 | static AsyncURB *async_alloc(void) |
| 188 | { |
| 189 | return (AsyncURB *) qemu_mallocz(sizeof(AsyncURB)); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 190 | } |
| 191 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 192 | static void async_free(AsyncURB *aurb) |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 193 | { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 194 | qemu_free(aurb); |
| 195 | } |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 196 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 197 | static void async_complete_ctrl(USBHostDevice *s, USBPacket *p) |
| 198 | { |
| 199 | switch(s->ctrl.state) { |
| 200 | case CTRL_STATE_SETUP: |
| 201 | if (p->len < s->ctrl.len) |
| 202 | s->ctrl.len = p->len; |
| 203 | s->ctrl.state = CTRL_STATE_DATA; |
| 204 | p->len = 8; |
| 205 | break; |
| 206 | |
| 207 | case CTRL_STATE_ACK: |
| 208 | s->ctrl.state = CTRL_STATE_IDLE; |
| 209 | p->len = 0; |
| 210 | break; |
| 211 | |
| 212 | default: |
| 213 | break; |
| 214 | } |
| 215 | } |
| 216 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 217 | static void async_complete(void *opaque) |
| 218 | { |
| 219 | USBHostDevice *s = opaque; |
| 220 | AsyncURB *aurb; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 221 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 222 | while (1) { |
| 223 | USBPacket *p; |
| 224 | |
| 225 | int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb); |
| 226 | if (r < 0) { |
| 227 | if (errno == EAGAIN) |
| 228 | return; |
| 229 | |
aliguori | 24772c1 | 2008-08-21 19:31:52 +0000 | [diff] [blame] | 230 | if (errno == ENODEV && !s->closing) { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 231 | printf("husb: device %d.%d disconnected\n", s->bus_num, s->addr); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 232 | usb_host_close(s); |
| 233 | usb_host_auto_check(NULL); |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 234 | return; |
| 235 | } |
| 236 | |
| 237 | dprintf("husb: async. reap urb failed errno %d\n", errno); |
| 238 | return; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 239 | } |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 240 | |
| 241 | p = aurb->packet; |
| 242 | |
| 243 | dprintf("husb: async completed. aurb %p status %d alen %d\n", |
| 244 | aurb, aurb->urb.status, aurb->urb.actual_length); |
| 245 | |
| 246 | if (p) { |
| 247 | switch (aurb->urb.status) { |
| 248 | case 0: |
| 249 | p->len = aurb->urb.actual_length; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 250 | if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) |
| 251 | async_complete_ctrl(s, p); |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 252 | break; |
| 253 | |
| 254 | case -EPIPE: |
| 255 | set_halt(s, p->devep); |
Paul Bolle | dcc7e25 | 2009-10-13 13:40:08 +0200 | [diff] [blame] | 256 | p->len = USB_RET_STALL; |
| 257 | break; |
| 258 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 259 | default: |
| 260 | p->len = USB_RET_NAK; |
| 261 | break; |
| 262 | } |
| 263 | |
| 264 | usb_packet_complete(p); |
| 265 | } |
| 266 | |
| 267 | async_free(aurb); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 268 | } |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 269 | } |
| 270 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 271 | static void async_cancel(USBPacket *unused, void *opaque) |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 272 | { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 273 | AsyncURB *aurb = opaque; |
| 274 | USBHostDevice *s = aurb->hdev; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 275 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 276 | dprintf("husb: async cancel. aurb %p\n", aurb); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 277 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 278 | /* Mark it as dead (see async_complete above) */ |
| 279 | aurb->packet = NULL; |
| 280 | |
| 281 | int r = ioctl(s->fd, USBDEVFS_DISCARDURB, aurb); |
| 282 | if (r < 0) { |
| 283 | dprintf("husb: async. discard urb failed errno %d\n", errno); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 284 | } |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 285 | } |
| 286 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 287 | static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration) |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 288 | { |
| 289 | int dev_descr_len, config_descr_len; |
| 290 | int interface, nb_interfaces, nb_configurations; |
| 291 | int ret, i; |
| 292 | |
| 293 | if (configuration == 0) /* address state - ignore */ |
| 294 | return 1; |
| 295 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 296 | dprintf("husb: claiming interfaces. config %d\n", configuration); |
| 297 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 298 | i = 0; |
| 299 | dev_descr_len = dev->descr[0]; |
| 300 | if (dev_descr_len > dev->descr_len) |
| 301 | goto fail; |
| 302 | nb_configurations = dev->descr[17]; |
| 303 | |
| 304 | i += dev_descr_len; |
| 305 | while (i < dev->descr_len) { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 306 | dprintf("husb: i is %d, descr_len is %d, dl %d, dt %d\n", i, dev->descr_len, |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 307 | dev->descr[i], dev->descr[i+1]); |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 308 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 309 | if (dev->descr[i+1] != USB_DT_CONFIG) { |
| 310 | i += dev->descr[i]; |
| 311 | continue; |
| 312 | } |
| 313 | config_descr_len = dev->descr[i]; |
| 314 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 315 | printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration); |
aliguori | 1f3870a | 2008-08-21 19:27:48 +0000 | [diff] [blame] | 316 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 317 | if (configuration < 0 || configuration == dev->descr[i + 5]) { |
| 318 | configuration = dev->descr[i + 5]; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 319 | break; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 320 | } |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 321 | |
| 322 | i += config_descr_len; |
| 323 | } |
| 324 | |
| 325 | if (i >= dev->descr_len) { |
aliguori | 0d38064 | 2008-08-21 19:32:29 +0000 | [diff] [blame] | 326 | fprintf(stderr, "husb: update iface failed. no matching configuration\n"); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 327 | goto fail; |
| 328 | } |
| 329 | nb_interfaces = dev->descr[i + 4]; |
| 330 | |
| 331 | #ifdef USBDEVFS_DISCONNECT |
| 332 | /* earlier Linux 2.4 do not support that */ |
| 333 | { |
| 334 | struct usbdevfs_ioctl ctrl; |
| 335 | for (interface = 0; interface < nb_interfaces; interface++) { |
| 336 | ctrl.ioctl_code = USBDEVFS_DISCONNECT; |
| 337 | ctrl.ifno = interface; |
| 338 | ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl); |
| 339 | if (ret < 0 && errno != ENODATA) { |
| 340 | perror("USBDEVFS_DISCONNECT"); |
| 341 | goto fail; |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | #endif |
| 346 | |
| 347 | /* XXX: only grab if all interfaces are free */ |
| 348 | for (interface = 0; interface < nb_interfaces; interface++) { |
| 349 | ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface); |
| 350 | if (ret < 0) { |
| 351 | if (errno == EBUSY) { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 352 | printf("husb: update iface. device already grabbed\n"); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 353 | } else { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 354 | perror("husb: failed to claim interface"); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 355 | } |
| 356 | fail: |
| 357 | return 0; |
| 358 | } |
| 359 | } |
| 360 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 361 | printf("husb: %d interfaces claimed for configuration %d\n", |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 362 | nb_interfaces, configuration); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 363 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 364 | dev->ninterfaces = nb_interfaces; |
| 365 | dev->configuration = configuration; |
| 366 | return 1; |
| 367 | } |
| 368 | |
| 369 | static int usb_host_release_interfaces(USBHostDevice *s) |
| 370 | { |
| 371 | int ret, i; |
| 372 | |
| 373 | dprintf("husb: releasing interfaces\n"); |
| 374 | |
| 375 | for (i = 0; i < s->ninterfaces; i++) { |
| 376 | ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i); |
| 377 | if (ret < 0) { |
| 378 | perror("husb: failed to release interface"); |
| 379 | return 0; |
| 380 | } |
| 381 | } |
| 382 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 383 | return 1; |
| 384 | } |
| 385 | |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 386 | static void usb_host_handle_reset(USBDevice *dev) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 387 | { |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 388 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 389 | |
| 390 | dprintf("husb: reset device %u.%u\n", s->bus_num, s->addr); |
| 391 | |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 392 | ioctl(s->fd, USBDEVFS_RESET); |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 393 | |
| 394 | usb_host_claim_interfaces(s, s->configuration); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 395 | } |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 396 | |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 397 | static void usb_host_handle_destroy(USBDevice *dev) |
| 398 | { |
| 399 | USBHostDevice *s = (USBHostDevice *)dev; |
| 400 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 401 | usb_host_close(s); |
| 402 | QTAILQ_REMOVE(&hostdevs, s, next); |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 403 | } |
| 404 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 405 | static int usb_linux_update_endp_table(USBHostDevice *s); |
| 406 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 407 | static int usb_host_handle_data(USBHostDevice *s, USBPacket *p) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 408 | { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 409 | struct usbdevfs_urb *urb; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 410 | AsyncURB *aurb; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 411 | int ret; |
| 412 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 413 | aurb = async_alloc(); |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 414 | aurb->hdev = s; |
| 415 | aurb->packet = p; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 416 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 417 | urb = &aurb->urb; |
| 418 | |
pbrook | 4d611c9 | 2006-08-12 01:04:27 +0000 | [diff] [blame] | 419 | if (p->pid == USB_TOKEN_IN) |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 420 | urb->endpoint = p->devep | 0x80; |
| 421 | else |
| 422 | urb->endpoint = p->devep; |
| 423 | |
| 424 | if (is_halted(s, p->devep)) { |
| 425 | ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &urb->endpoint); |
| 426 | if (ret < 0) { |
| 427 | dprintf("husb: failed to clear halt. ep 0x%x errno %d\n", |
| 428 | urb->endpoint, errno); |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 429 | return USB_RET_NAK; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 430 | } |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 431 | clear_halt(s, p->devep); |
balrog | 046833e | 2007-10-31 00:27:50 +0000 | [diff] [blame] | 432 | } |
| 433 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 434 | urb->buffer = p->data; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 435 | urb->buffer_length = p->len; |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 436 | |
| 437 | if (is_isoc(s, p->devep)) { |
| 438 | /* Setup ISOC transfer */ |
| 439 | urb->type = USBDEVFS_URB_TYPE_ISO; |
| 440 | urb->flags = USBDEVFS_URB_ISO_ASAP; |
| 441 | urb->number_of_packets = 1; |
| 442 | urb->iso_frame_desc[0].length = p->len; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 443 | } else { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 444 | /* Setup bulk transfer */ |
| 445 | urb->type = USBDEVFS_URB_TYPE_BULK; |
| 446 | } |
| 447 | |
| 448 | urb->usercontext = s; |
| 449 | |
| 450 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
| 451 | |
| 452 | dprintf("husb: data submit. ep 0x%x len %u aurb %p\n", urb->endpoint, p->len, aurb); |
| 453 | |
| 454 | if (ret < 0) { |
| 455 | dprintf("husb: submit failed. errno %d\n", errno); |
| 456 | async_free(aurb); |
| 457 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 458 | switch(errno) { |
| 459 | case ETIMEDOUT: |
| 460 | return USB_RET_NAK; |
| 461 | case EPIPE: |
| 462 | default: |
| 463 | return USB_RET_STALL; |
| 464 | } |
| 465 | } |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 466 | |
| 467 | usb_defer_packet(p, async_cancel, aurb); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 468 | return USB_RET_ASYNC; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 469 | } |
| 470 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 471 | static int ctrl_error(void) |
| 472 | { |
| 473 | if (errno == ETIMEDOUT) |
| 474 | return USB_RET_NAK; |
| 475 | else |
| 476 | return USB_RET_STALL; |
| 477 | } |
| 478 | |
| 479 | static int usb_host_set_address(USBHostDevice *s, int addr) |
| 480 | { |
| 481 | dprintf("husb: ctrl set addr %u\n", addr); |
| 482 | s->dev.addr = addr; |
| 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | static int usb_host_set_config(USBHostDevice *s, int config) |
| 487 | { |
| 488 | usb_host_release_interfaces(s); |
| 489 | |
| 490 | int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config); |
| 491 | |
| 492 | dprintf("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno); |
| 493 | |
| 494 | if (ret < 0) |
| 495 | return ctrl_error(); |
| 496 | |
| 497 | usb_host_claim_interfaces(s, config); |
| 498 | return 0; |
| 499 | } |
| 500 | |
| 501 | static int usb_host_set_interface(USBHostDevice *s, int iface, int alt) |
| 502 | { |
| 503 | struct usbdevfs_setinterface si; |
| 504 | int ret; |
| 505 | |
| 506 | si.interface = iface; |
| 507 | si.altsetting = alt; |
| 508 | ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si); |
| 509 | |
| 510 | dprintf("husb: ctrl set iface %d altset %d ret %d errno %d\n", |
| 511 | iface, alt, ret, errno); |
| 512 | |
| 513 | if (ret < 0) |
| 514 | return ctrl_error(); |
| 515 | |
| 516 | usb_linux_update_endp_table(s); |
| 517 | return 0; |
| 518 | } |
| 519 | |
| 520 | static int usb_host_handle_control(USBHostDevice *s, USBPacket *p) |
| 521 | { |
| 522 | struct usbdevfs_urb *urb; |
| 523 | AsyncURB *aurb; |
| 524 | int ret, value, index; |
Jim Paris | c4c0e23 | 2009-08-24 14:56:12 -0400 | [diff] [blame] | 525 | int buffer_len; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 526 | |
| 527 | /* |
| 528 | * Process certain standard device requests. |
| 529 | * These are infrequent and are processed synchronously. |
| 530 | */ |
| 531 | value = le16_to_cpu(s->ctrl.req.wValue); |
| 532 | index = le16_to_cpu(s->ctrl.req.wIndex); |
| 533 | |
| 534 | dprintf("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n", |
| 535 | s->ctrl.req.bRequestType, s->ctrl.req.bRequest, value, index, |
| 536 | s->ctrl.len); |
| 537 | |
| 538 | if (s->ctrl.req.bRequestType == 0) { |
| 539 | switch (s->ctrl.req.bRequest) { |
| 540 | case USB_REQ_SET_ADDRESS: |
| 541 | return usb_host_set_address(s, value); |
| 542 | |
| 543 | case USB_REQ_SET_CONFIGURATION: |
| 544 | return usb_host_set_config(s, value & 0xff); |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | if (s->ctrl.req.bRequestType == 1 && |
| 549 | s->ctrl.req.bRequest == USB_REQ_SET_INTERFACE) |
| 550 | return usb_host_set_interface(s, index, value); |
| 551 | |
| 552 | /* The rest are asynchronous */ |
| 553 | |
Jim Paris | c4c0e23 | 2009-08-24 14:56:12 -0400 | [diff] [blame] | 554 | buffer_len = 8 + s->ctrl.len; |
| 555 | if (buffer_len > sizeof(s->ctrl.buffer)) { |
malc | b2e3b6e | 2009-09-12 03:18:18 +0400 | [diff] [blame] | 556 | fprintf(stderr, "husb: ctrl buffer too small (%u > %zu)\n", |
| 557 | buffer_len, sizeof(s->ctrl.buffer)); |
| 558 | return USB_RET_STALL; |
Jim Paris | c4c0e23 | 2009-08-24 14:56:12 -0400 | [diff] [blame] | 559 | } |
| 560 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 561 | aurb = async_alloc(); |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 562 | aurb->hdev = s; |
| 563 | aurb->packet = p; |
| 564 | |
| 565 | /* |
| 566 | * Setup ctrl transfer. |
| 567 | * |
| 568 | * s->ctrl is layed out such that data buffer immediately follows |
| 569 | * 'req' struct which is exactly what usbdevfs expects. |
| 570 | */ |
| 571 | urb = &aurb->urb; |
| 572 | |
| 573 | urb->type = USBDEVFS_URB_TYPE_CONTROL; |
| 574 | urb->endpoint = p->devep; |
| 575 | |
| 576 | urb->buffer = &s->ctrl.req; |
Jim Paris | c4c0e23 | 2009-08-24 14:56:12 -0400 | [diff] [blame] | 577 | urb->buffer_length = buffer_len; |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 578 | |
| 579 | urb->usercontext = s; |
| 580 | |
| 581 | ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); |
| 582 | |
| 583 | dprintf("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb); |
| 584 | |
| 585 | if (ret < 0) { |
| 586 | dprintf("husb: submit failed. errno %d\n", errno); |
| 587 | async_free(aurb); |
| 588 | |
| 589 | switch(errno) { |
| 590 | case ETIMEDOUT: |
| 591 | return USB_RET_NAK; |
| 592 | case EPIPE: |
| 593 | default: |
| 594 | return USB_RET_STALL; |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | usb_defer_packet(p, async_cancel, aurb); |
| 599 | return USB_RET_ASYNC; |
| 600 | } |
| 601 | |
| 602 | static int do_token_setup(USBDevice *dev, USBPacket *p) |
| 603 | { |
| 604 | USBHostDevice *s = (USBHostDevice *) dev; |
| 605 | int ret = 0; |
| 606 | |
| 607 | if (p->len != 8) |
| 608 | return USB_RET_STALL; |
| 609 | |
| 610 | memcpy(&s->ctrl.req, p->data, 8); |
| 611 | s->ctrl.len = le16_to_cpu(s->ctrl.req.wLength); |
| 612 | s->ctrl.offset = 0; |
| 613 | s->ctrl.state = CTRL_STATE_SETUP; |
| 614 | |
| 615 | if (s->ctrl.req.bRequestType & USB_DIR_IN) { |
| 616 | ret = usb_host_handle_control(s, p); |
| 617 | if (ret < 0) |
| 618 | return ret; |
| 619 | |
| 620 | if (ret < s->ctrl.len) |
| 621 | s->ctrl.len = ret; |
| 622 | s->ctrl.state = CTRL_STATE_DATA; |
| 623 | } else { |
| 624 | if (s->ctrl.len == 0) |
| 625 | s->ctrl.state = CTRL_STATE_ACK; |
| 626 | else |
| 627 | s->ctrl.state = CTRL_STATE_DATA; |
| 628 | } |
| 629 | |
| 630 | return ret; |
| 631 | } |
| 632 | |
| 633 | static int do_token_in(USBDevice *dev, USBPacket *p) |
| 634 | { |
| 635 | USBHostDevice *s = (USBHostDevice *) dev; |
| 636 | int ret = 0; |
| 637 | |
| 638 | if (p->devep != 0) |
| 639 | return usb_host_handle_data(s, p); |
| 640 | |
| 641 | switch(s->ctrl.state) { |
| 642 | case CTRL_STATE_ACK: |
| 643 | if (!(s->ctrl.req.bRequestType & USB_DIR_IN)) { |
| 644 | ret = usb_host_handle_control(s, p); |
| 645 | if (ret == USB_RET_ASYNC) |
| 646 | return USB_RET_ASYNC; |
| 647 | |
| 648 | s->ctrl.state = CTRL_STATE_IDLE; |
| 649 | return ret > 0 ? 0 : ret; |
| 650 | } |
| 651 | |
| 652 | return 0; |
| 653 | |
| 654 | case CTRL_STATE_DATA: |
| 655 | if (s->ctrl.req.bRequestType & USB_DIR_IN) { |
| 656 | int len = s->ctrl.len - s->ctrl.offset; |
| 657 | if (len > p->len) |
| 658 | len = p->len; |
| 659 | memcpy(p->data, s->ctrl.buffer + s->ctrl.offset, len); |
| 660 | s->ctrl.offset += len; |
| 661 | if (s->ctrl.offset >= s->ctrl.len) |
| 662 | s->ctrl.state = CTRL_STATE_ACK; |
| 663 | return len; |
| 664 | } |
| 665 | |
| 666 | s->ctrl.state = CTRL_STATE_IDLE; |
| 667 | return USB_RET_STALL; |
| 668 | |
| 669 | default: |
| 670 | return USB_RET_STALL; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | static int do_token_out(USBDevice *dev, USBPacket *p) |
| 675 | { |
| 676 | USBHostDevice *s = (USBHostDevice *) dev; |
| 677 | |
| 678 | if (p->devep != 0) |
| 679 | return usb_host_handle_data(s, p); |
| 680 | |
| 681 | switch(s->ctrl.state) { |
| 682 | case CTRL_STATE_ACK: |
| 683 | if (s->ctrl.req.bRequestType & USB_DIR_IN) { |
| 684 | s->ctrl.state = CTRL_STATE_IDLE; |
| 685 | /* transfer OK */ |
| 686 | } else { |
| 687 | /* ignore additional output */ |
| 688 | } |
| 689 | return 0; |
| 690 | |
| 691 | case CTRL_STATE_DATA: |
| 692 | if (!(s->ctrl.req.bRequestType & USB_DIR_IN)) { |
| 693 | int len = s->ctrl.len - s->ctrl.offset; |
| 694 | if (len > p->len) |
| 695 | len = p->len; |
| 696 | memcpy(s->ctrl.buffer + s->ctrl.offset, p->data, len); |
| 697 | s->ctrl.offset += len; |
| 698 | if (s->ctrl.offset >= s->ctrl.len) |
| 699 | s->ctrl.state = CTRL_STATE_ACK; |
| 700 | return len; |
| 701 | } |
| 702 | |
| 703 | s->ctrl.state = CTRL_STATE_IDLE; |
| 704 | return USB_RET_STALL; |
| 705 | |
| 706 | default: |
| 707 | return USB_RET_STALL; |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | /* |
| 712 | * Packet handler. |
| 713 | * Called by the HC (host controller). |
| 714 | * |
| 715 | * Returns length of the transaction or one of the USB_RET_XXX codes. |
| 716 | */ |
blueswir1 | d9cf157 | 2008-09-15 14:57:11 +0000 | [diff] [blame] | 717 | static int usb_host_handle_packet(USBDevice *s, USBPacket *p) |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 718 | { |
| 719 | switch(p->pid) { |
| 720 | case USB_MSG_ATTACH: |
| 721 | s->state = USB_STATE_ATTACHED; |
| 722 | return 0; |
| 723 | |
| 724 | case USB_MSG_DETACH: |
| 725 | s->state = USB_STATE_NOTATTACHED; |
| 726 | return 0; |
| 727 | |
| 728 | case USB_MSG_RESET: |
| 729 | s->remote_wakeup = 0; |
| 730 | s->addr = 0; |
| 731 | s->state = USB_STATE_DEFAULT; |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 732 | s->info->handle_reset(s); |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 733 | return 0; |
| 734 | } |
| 735 | |
| 736 | /* Rest of the PIDs must match our address */ |
| 737 | if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr) |
| 738 | return USB_RET_NODEV; |
| 739 | |
| 740 | switch (p->pid) { |
| 741 | case USB_TOKEN_SETUP: |
| 742 | return do_token_setup(s, p); |
| 743 | |
| 744 | case USB_TOKEN_IN: |
| 745 | return do_token_in(s, p); |
| 746 | |
| 747 | case USB_TOKEN_OUT: |
| 748 | return do_token_out(s, p); |
| 749 | |
| 750 | default: |
| 751 | return USB_RET_STALL; |
| 752 | } |
| 753 | } |
| 754 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 755 | /* returns 1 on problem encountered or 0 for success */ |
| 756 | static int usb_linux_update_endp_table(USBHostDevice *s) |
| 757 | { |
| 758 | uint8_t *descriptors; |
| 759 | uint8_t devep, type, configuration, alt_interface; |
pbrook | e41b391 | 2008-10-28 18:22:59 +0000 | [diff] [blame] | 760 | struct usb_ctrltransfer ct; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 761 | int interface, ret, length, i; |
| 762 | |
| 763 | ct.bRequestType = USB_DIR_IN; |
| 764 | ct.bRequest = USB_REQ_GET_CONFIGURATION; |
| 765 | ct.wValue = 0; |
| 766 | ct.wIndex = 0; |
| 767 | ct.wLength = 1; |
| 768 | ct.data = &configuration; |
| 769 | ct.timeout = 50; |
| 770 | |
| 771 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); |
| 772 | if (ret < 0) { |
| 773 | perror("usb_linux_update_endp_table"); |
| 774 | return 1; |
| 775 | } |
| 776 | |
| 777 | /* in address state */ |
| 778 | if (configuration == 0) |
| 779 | return 1; |
| 780 | |
| 781 | /* get the desired configuration, interface, and endpoint descriptors |
| 782 | * from device description */ |
| 783 | descriptors = &s->descr[18]; |
| 784 | length = s->descr_len - 18; |
| 785 | i = 0; |
| 786 | |
| 787 | if (descriptors[i + 1] != USB_DT_CONFIG || |
| 788 | descriptors[i + 5] != configuration) { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 789 | dprintf("invalid descriptor data - configuration\n"); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 790 | return 1; |
| 791 | } |
| 792 | i += descriptors[i]; |
| 793 | |
| 794 | while (i < length) { |
| 795 | if (descriptors[i + 1] != USB_DT_INTERFACE || |
| 796 | (descriptors[i + 1] == USB_DT_INTERFACE && |
| 797 | descriptors[i + 4] == 0)) { |
| 798 | i += descriptors[i]; |
| 799 | continue; |
| 800 | } |
| 801 | |
| 802 | interface = descriptors[i + 2]; |
| 803 | |
| 804 | ct.bRequestType = USB_DIR_IN | USB_RECIP_INTERFACE; |
| 805 | ct.bRequest = USB_REQ_GET_INTERFACE; |
| 806 | ct.wValue = 0; |
| 807 | ct.wIndex = interface; |
| 808 | ct.wLength = 1; |
| 809 | ct.data = &alt_interface; |
| 810 | ct.timeout = 50; |
| 811 | |
| 812 | ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct); |
| 813 | if (ret < 0) { |
Jason Wessel | d55ebf5 | 2009-05-18 10:00:28 -0500 | [diff] [blame] | 814 | alt_interface = interface; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 815 | } |
| 816 | |
| 817 | /* the current interface descriptor is the active interface |
| 818 | * and has endpoints */ |
| 819 | if (descriptors[i + 3] != alt_interface) { |
| 820 | i += descriptors[i]; |
| 821 | continue; |
| 822 | } |
| 823 | |
| 824 | /* advance to the endpoints */ |
| 825 | while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) |
| 826 | i += descriptors[i]; |
| 827 | |
| 828 | if (i >= length) |
| 829 | break; |
| 830 | |
| 831 | while (i < length) { |
| 832 | if (descriptors[i + 1] != USB_DT_ENDPOINT) |
| 833 | break; |
| 834 | |
| 835 | devep = descriptors[i + 2]; |
| 836 | switch (descriptors[i + 3] & 0x3) { |
| 837 | case 0x00: |
| 838 | type = USBDEVFS_URB_TYPE_CONTROL; |
| 839 | break; |
| 840 | case 0x01: |
| 841 | type = USBDEVFS_URB_TYPE_ISO; |
| 842 | break; |
| 843 | case 0x02: |
| 844 | type = USBDEVFS_URB_TYPE_BULK; |
| 845 | break; |
| 846 | case 0x03: |
| 847 | type = USBDEVFS_URB_TYPE_INTERRUPT; |
| 848 | break; |
| 849 | default: |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 850 | dprintf("usb_host: malformed endpoint type\n"); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 851 | type = USBDEVFS_URB_TYPE_BULK; |
| 852 | } |
| 853 | s->endp_table[(devep & 0xf) - 1].type = type; |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 854 | s->endp_table[(devep & 0xf) - 1].halted = 0; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 855 | |
| 856 | i += descriptors[i]; |
| 857 | } |
| 858 | } |
| 859 | return 0; |
| 860 | } |
| 861 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 862 | static int usb_host_open(USBHostDevice *dev, int bus_num, |
| 863 | int addr, const char *prod_name) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 864 | { |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 865 | int fd = -1, ret; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 866 | struct usbdevfs_connectinfo ci; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 867 | char buf[1024]; |
aliguori | 1f3870a | 2008-08-21 19:27:48 +0000 | [diff] [blame] | 868 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 869 | if (dev->fd != -1) |
| 870 | goto fail; |
| 871 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 872 | printf("husb: open device %d.%d\n", bus_num, addr); |
aliguori | 1f3870a | 2008-08-21 19:27:48 +0000 | [diff] [blame] | 873 | |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 874 | if (!usb_host_device_path) { |
| 875 | perror("husb: USB Host Device Path not set"); |
| 876 | goto fail; |
| 877 | } |
| 878 | snprintf(buf, sizeof(buf), "%s/%03d/%03d", usb_host_device_path, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 879 | bus_num, addr); |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 880 | fd = open(buf, O_RDWR | O_NONBLOCK); |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 881 | if (fd < 0) { |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 882 | perror(buf); |
aliguori | 1f3870a | 2008-08-21 19:27:48 +0000 | [diff] [blame] | 883 | goto fail; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 884 | } |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 885 | dprintf("husb: opened %s\n", buf); |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 886 | |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 887 | dev->bus_num = bus_num; |
| 888 | dev->addr = addr; |
Gerd Hoffmann | 22f84e7 | 2009-09-25 16:55:28 +0200 | [diff] [blame] | 889 | dev->fd = fd; |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 890 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 891 | /* read the device description */ |
| 892 | dev->descr_len = read(fd, dev->descr, sizeof(dev->descr)); |
| 893 | if (dev->descr_len <= 0) { |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 894 | perror("husb: reading device data failed"); |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 895 | goto fail; |
| 896 | } |
ths | 3b46e62 | 2007-09-17 08:09:54 +0000 | [diff] [blame] | 897 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 898 | #ifdef DEBUG |
bellard | 868bfe2 | 2005-11-13 21:53:15 +0000 | [diff] [blame] | 899 | { |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 900 | int x; |
| 901 | printf("=== begin dumping device descriptor data ===\n"); |
| 902 | for (x = 0; x < dev->descr_len; x++) |
| 903 | printf("%02x ", dev->descr[x]); |
| 904 | printf("\n=== end dumping device descriptor data ===\n"); |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 905 | } |
| 906 | #endif |
| 907 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 908 | |
aliguori | 446ab12 | 2008-09-14 01:06:09 +0000 | [diff] [blame] | 909 | /* |
| 910 | * Initial configuration is -1 which makes us claim first |
| 911 | * available config. We used to start with 1, which does not |
| 912 | * always work. I've seen devices where first config starts |
| 913 | * with 2. |
| 914 | */ |
| 915 | if (!usb_host_claim_interfaces(dev, -1)) |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 916 | goto fail; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 917 | |
| 918 | ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci); |
| 919 | if (ret < 0) { |
balrog | 046833e | 2007-10-31 00:27:50 +0000 | [diff] [blame] | 920 | perror("usb_host_device_open: USBDEVFS_CONNECTINFO"); |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 921 | goto fail; |
| 922 | } |
| 923 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 924 | printf("husb: grabbed usb device %d.%d\n", bus_num, addr); |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 925 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 926 | ret = usb_linux_update_endp_table(dev); |
| 927 | if (ret) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 928 | goto fail; |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 929 | |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 930 | if (ci.slow) |
| 931 | dev->dev.speed = USB_SPEED_LOW; |
| 932 | else |
| 933 | dev->dev.speed = USB_SPEED_HIGH; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 934 | |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 935 | if (!prod_name || prod_name[0] == '\0') |
Markus Armbruster | 0fe6d12 | 2009-12-09 17:07:51 +0100 | [diff] [blame] | 936 | snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 937 | "host:%d.%d", bus_num, addr); |
bellard | 1f6e24e | 2006-06-26 21:00:51 +0000 | [diff] [blame] | 938 | else |
Markus Armbruster | 0fe6d12 | 2009-12-09 17:07:51 +0100 | [diff] [blame] | 939 | pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc), |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 940 | prod_name); |
bellard | 1f6e24e | 2006-06-26 21:00:51 +0000 | [diff] [blame] | 941 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 942 | /* USB devio uses 'write' flag to check for async completions */ |
| 943 | qemu_set_fd_handler(dev->fd, NULL, async_complete, dev); |
aliguori | 1f3870a | 2008-08-21 19:27:48 +0000 | [diff] [blame] | 944 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 945 | usb_device_attach(&dev->dev); |
| 946 | return 0; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 947 | |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 948 | fail: |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 949 | dev->fd = -1; |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 950 | if (fd != -1) |
| 951 | close(fd); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 952 | return -1; |
| 953 | } |
| 954 | |
| 955 | static int usb_host_close(USBHostDevice *dev) |
| 956 | { |
| 957 | if (dev->fd == -1) |
| 958 | return -1; |
| 959 | |
| 960 | qemu_set_fd_handler(dev->fd, NULL, NULL, NULL); |
| 961 | dev->closing = 1; |
| 962 | async_complete(dev); |
| 963 | dev->closing = 0; |
| 964 | usb_device_detach(&dev->dev); |
| 965 | close(dev->fd); |
| 966 | dev->fd = -1; |
| 967 | return 0; |
| 968 | } |
| 969 | |
| 970 | static int usb_host_initfn(USBDevice *dev) |
| 971 | { |
| 972 | USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev); |
| 973 | |
| 974 | dev->auto_attach = 0; |
| 975 | s->fd = -1; |
| 976 | QTAILQ_INSERT_TAIL(&hostdevs, s, next); |
| 977 | usb_host_auto_check(NULL); |
| 978 | return 0; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 979 | } |
| 980 | |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 981 | static struct USBDeviceInfo usb_host_dev_info = { |
Markus Armbruster | 0638469 | 2009-12-09 17:07:52 +0100 | [diff] [blame] | 982 | .product_desc = "USB Host Device", |
Markus Armbruster | 556cd09 | 2009-12-09 17:07:53 +0100 | [diff] [blame] | 983 | .qdev.name = "usb-host", |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 984 | .qdev.size = sizeof(USBHostDevice), |
| 985 | .init = usb_host_initfn, |
| 986 | .handle_packet = usb_host_handle_packet, |
| 987 | .handle_reset = usb_host_handle_reset, |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 988 | .handle_destroy = usb_host_handle_destroy, |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 989 | .usbdevice_name = "host", |
| 990 | .usbdevice_init = usb_host_device_open, |
| 991 | .qdev.props = (Property[]) { |
| 992 | DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0), |
| 993 | DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0), |
| 994 | DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0), |
| 995 | DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0), |
| 996 | DEFINE_PROP_END_OF_LIST(), |
| 997 | }, |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 998 | }; |
| 999 | |
| 1000 | static void usb_host_register_devices(void) |
| 1001 | { |
| 1002 | usb_qdev_register(&usb_host_dev_info); |
| 1003 | } |
| 1004 | device_init(usb_host_register_devices) |
| 1005 | |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1006 | USBDevice *usb_host_device_open(const char *devname) |
| 1007 | { |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1008 | struct USBAutoFilter filter; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1009 | USBDevice *dev; |
| 1010 | USBHostDevice *s; |
| 1011 | char *p; |
| 1012 | |
Markus Armbruster | 556cd09 | 2009-12-09 17:07:53 +0100 | [diff] [blame] | 1013 | dev = usb_create(NULL /* FIXME */, "usb-host"); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1014 | s = DO_UPCAST(USBHostDevice, dev, dev); |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1015 | |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1016 | if (strstr(devname, "auto:")) { |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1017 | if (parse_filter(devname, &filter) < 0) |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1018 | goto fail; |
| 1019 | } else { |
| 1020 | if ((p = strchr(devname, '.'))) { |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1021 | filter.bus_num = strtoul(devname, NULL, 0); |
| 1022 | filter.addr = strtoul(p + 1, NULL, 0); |
| 1023 | filter.vendor_id = 0; |
| 1024 | filter.product_id = 0; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1025 | } else if ((p = strchr(devname, ':'))) { |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1026 | filter.bus_num = 0; |
| 1027 | filter.addr = 0; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1028 | filter.vendor_id = strtoul(devname, NULL, 16); |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1029 | filter.product_id = strtoul(p + 1, NULL, 16); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1030 | } else { |
| 1031 | goto fail; |
| 1032 | } |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1033 | } |
| 1034 | |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1035 | qdev_prop_set_uint32(&dev->qdev, "hostbus", filter.bus_num); |
| 1036 | qdev_prop_set_uint32(&dev->qdev, "hostaddr", filter.addr); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1037 | qdev_prop_set_uint32(&dev->qdev, "vendorid", filter.vendor_id); |
| 1038 | qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id); |
| 1039 | qdev_init(&dev->qdev); |
| 1040 | return dev; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1041 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1042 | fail: |
| 1043 | qdev_free(&dev->qdev); |
| 1044 | return NULL; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1045 | } |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1046 | |
| 1047 | int usb_host_device_close(const char *devname) |
| 1048 | { |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1049 | #if 0 |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1050 | char product_name[PRODUCT_NAME_SZ]; |
| 1051 | int bus_num, addr; |
| 1052 | USBHostDevice *s; |
| 1053 | |
| 1054 | if (strstr(devname, "auto:")) |
| 1055 | return usb_host_auto_del(devname); |
| 1056 | |
| 1057 | if (usb_host_find_device(&bus_num, &addr, product_name, sizeof(product_name), |
| 1058 | devname) < 0) |
| 1059 | return -1; |
Gerd Hoffmann | a5d2f72 | 2009-08-31 14:24:00 +0200 | [diff] [blame] | 1060 | |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1061 | s = hostdev_find(bus_num, addr); |
| 1062 | if (s) { |
Gerd Hoffmann | a5d2f72 | 2009-08-31 14:24:00 +0200 | [diff] [blame] | 1063 | usb_device_delete_addr(s->bus_num, s->dev.addr); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1064 | return 0; |
| 1065 | } |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1066 | #endif |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1067 | |
| 1068 | return -1; |
| 1069 | } |
Gerd Hoffmann | a5d2f72 | 2009-08-31 14:24:00 +0200 | [diff] [blame] | 1070 | |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1071 | static int get_tag_value(char *buf, int buf_size, |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1072 | const char *str, const char *tag, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1073 | const char *stopchars) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1074 | { |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1075 | const char *p; |
| 1076 | char *q; |
| 1077 | p = strstr(str, tag); |
| 1078 | if (!p) |
| 1079 | return -1; |
| 1080 | p += strlen(tag); |
blueswir1 | 47398b9 | 2008-11-22 20:04:24 +0000 | [diff] [blame] | 1081 | while (qemu_isspace(*p)) |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1082 | p++; |
| 1083 | q = buf; |
| 1084 | while (*p != '\0' && !strchr(stopchars, *p)) { |
| 1085 | if ((q - buf) < (buf_size - 1)) |
| 1086 | *q++ = *p; |
| 1087 | p++; |
| 1088 | } |
| 1089 | *q = '\0'; |
| 1090 | return q - buf; |
| 1091 | } |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1092 | |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1093 | /* |
| 1094 | * Use /proc/bus/usb/devices or /dev/bus/usb/devices file to determine |
| 1095 | * host's USB devices. This is legacy support since many distributions |
| 1096 | * are moving to /sys/bus/usb |
| 1097 | */ |
| 1098 | static int usb_host_scan_dev(void *opaque, USBScanFunc *func) |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1099 | { |
Blue Swirl | 660f11b | 2009-07-31 21:16:51 +0000 | [diff] [blame] | 1100 | FILE *f = NULL; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1101 | char line[1024]; |
| 1102 | char buf[1024]; |
| 1103 | int bus_num, addr, speed, device_count, class_id, product_id, vendor_id; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1104 | char product_name[512]; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1105 | int ret = 0; |
ths | 3b46e62 | 2007-09-17 08:09:54 +0000 | [diff] [blame] | 1106 | |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1107 | if (!usb_host_device_path) { |
| 1108 | perror("husb: USB Host Device Path not set"); |
| 1109 | goto the_end; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1110 | } |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1111 | snprintf(line, sizeof(line), "%s/devices", usb_host_device_path); |
| 1112 | f = fopen(line, "r"); |
| 1113 | if (!f) { |
| 1114 | perror("husb: cannot open devices file"); |
| 1115 | goto the_end; |
| 1116 | } |
| 1117 | |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1118 | device_count = 0; |
| 1119 | bus_num = addr = speed = class_id = product_id = vendor_id = 0; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1120 | for(;;) { |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1121 | if (fgets(line, sizeof(line), f) == NULL) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1122 | break; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1123 | if (strlen(line) > 0) |
| 1124 | line[strlen(line) - 1] = '\0'; |
| 1125 | if (line[0] == 'T' && line[1] == ':') { |
pbrook | 38ca0f6 | 2006-03-11 18:03:38 +0000 | [diff] [blame] | 1126 | if (device_count && (vendor_id || product_id)) { |
| 1127 | /* New device. Add the previously discovered device. */ |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1128 | ret = func(opaque, bus_num, addr, class_id, vendor_id, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1129 | product_id, product_name, speed); |
| 1130 | if (ret) |
| 1131 | goto the_end; |
| 1132 | } |
| 1133 | if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) |
| 1134 | goto fail; |
| 1135 | bus_num = atoi(buf); |
| 1136 | if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) |
| 1137 | goto fail; |
| 1138 | addr = atoi(buf); |
| 1139 | if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) |
| 1140 | goto fail; |
| 1141 | if (!strcmp(buf, "480")) |
| 1142 | speed = USB_SPEED_HIGH; |
| 1143 | else if (!strcmp(buf, "1.5")) |
| 1144 | speed = USB_SPEED_LOW; |
| 1145 | else |
| 1146 | speed = USB_SPEED_FULL; |
| 1147 | product_name[0] = '\0'; |
| 1148 | class_id = 0xff; |
| 1149 | device_count++; |
| 1150 | product_id = 0; |
| 1151 | vendor_id = 0; |
| 1152 | } else if (line[0] == 'P' && line[1] == ':') { |
| 1153 | if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) |
| 1154 | goto fail; |
| 1155 | vendor_id = strtoul(buf, NULL, 16); |
| 1156 | if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) |
| 1157 | goto fail; |
| 1158 | product_id = strtoul(buf, NULL, 16); |
| 1159 | } else if (line[0] == 'S' && line[1] == ':') { |
| 1160 | if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) |
| 1161 | goto fail; |
| 1162 | pstrcpy(product_name, sizeof(product_name), buf); |
| 1163 | } else if (line[0] == 'D' && line[1] == ':') { |
| 1164 | if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) |
| 1165 | goto fail; |
| 1166 | class_id = strtoul(buf, NULL, 16); |
| 1167 | } |
| 1168 | fail: ; |
| 1169 | } |
pbrook | 38ca0f6 | 2006-03-11 18:03:38 +0000 | [diff] [blame] | 1170 | if (device_count && (vendor_id || product_id)) { |
| 1171 | /* Add the last device. */ |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1172 | ret = func(opaque, bus_num, addr, class_id, vendor_id, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1173 | product_id, product_name, speed); |
| 1174 | } |
| 1175 | the_end: |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1176 | if (f) |
| 1177 | fclose(f); |
| 1178 | return ret; |
| 1179 | } |
| 1180 | |
| 1181 | /* |
| 1182 | * Read sys file-system device file |
| 1183 | * |
| 1184 | * @line address of buffer to put file contents in |
| 1185 | * @line_size size of line |
| 1186 | * @device_file path to device file (printf format string) |
| 1187 | * @device_name device being opened (inserted into device_file) |
| 1188 | * |
| 1189 | * @return 0 failed, 1 succeeded ('line' contains data) |
| 1190 | */ |
| 1191 | static int usb_host_read_file(char *line, size_t line_size, const char *device_file, const char *device_name) |
| 1192 | { |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1193 | #if 0 |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1194 | Monitor *mon = cur_mon; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1195 | #endif |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1196 | FILE *f; |
| 1197 | int ret = 0; |
| 1198 | char filename[PATH_MAX]; |
| 1199 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1200 | snprintf(filename, PATH_MAX, USBSYSBUS_PATH "/devices/%s/%s", device_name, |
| 1201 | device_file); |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1202 | f = fopen(filename, "r"); |
| 1203 | if (f) { |
| 1204 | fgets(line, line_size, f); |
| 1205 | fclose(f); |
| 1206 | ret = 1; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1207 | #if 0 |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1208 | } else { |
Gerd Hoffmann | eba6fe8 | 2009-12-15 11:43:02 +0100 | [diff] [blame] | 1209 | if (mon) |
| 1210 | monitor_printf(mon, "husb: could not open %s\n", filename); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1211 | #endif |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1212 | } |
| 1213 | |
| 1214 | return ret; |
| 1215 | } |
| 1216 | |
| 1217 | /* |
| 1218 | * Use /sys/bus/usb/devices/ directory to determine host's USB |
| 1219 | * devices. |
| 1220 | * |
| 1221 | * This code is based on Robert Schiele's original patches posted to |
| 1222 | * the Novell bug-tracker https://bugzilla.novell.com/show_bug.cgi?id=241950 |
| 1223 | */ |
| 1224 | static int usb_host_scan_sys(void *opaque, USBScanFunc *func) |
| 1225 | { |
Blue Swirl | 660f11b | 2009-07-31 21:16:51 +0000 | [diff] [blame] | 1226 | DIR *dir = NULL; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1227 | char line[1024]; |
| 1228 | int bus_num, addr, speed, class_id, product_id, vendor_id; |
| 1229 | int ret = 0; |
| 1230 | char product_name[512]; |
| 1231 | struct dirent *de; |
| 1232 | |
| 1233 | dir = opendir(USBSYSBUS_PATH "/devices"); |
| 1234 | if (!dir) { |
| 1235 | perror("husb: cannot open devices directory"); |
| 1236 | goto the_end; |
| 1237 | } |
| 1238 | |
| 1239 | while ((de = readdir(dir))) { |
| 1240 | if (de->d_name[0] != '.' && !strchr(de->d_name, ':')) { |
| 1241 | char *tmpstr = de->d_name; |
| 1242 | if (!strncmp(de->d_name, "usb", 3)) |
| 1243 | tmpstr += 3; |
| 1244 | bus_num = atoi(tmpstr); |
| 1245 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1246 | if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name)) |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1247 | goto the_end; |
| 1248 | if (sscanf(line, "%d", &addr) != 1) |
| 1249 | goto the_end; |
| 1250 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1251 | if (!usb_host_read_file(line, sizeof(line), "bDeviceClass", |
| 1252 | de->d_name)) |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1253 | goto the_end; |
| 1254 | if (sscanf(line, "%x", &class_id) != 1) |
| 1255 | goto the_end; |
| 1256 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1257 | if (!usb_host_read_file(line, sizeof(line), "idVendor", de->d_name)) |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1258 | goto the_end; |
| 1259 | if (sscanf(line, "%x", &vendor_id) != 1) |
| 1260 | goto the_end; |
| 1261 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1262 | if (!usb_host_read_file(line, sizeof(line), "idProduct", |
| 1263 | de->d_name)) |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1264 | goto the_end; |
| 1265 | if (sscanf(line, "%x", &product_id) != 1) |
| 1266 | goto the_end; |
| 1267 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1268 | if (!usb_host_read_file(line, sizeof(line), "product", |
| 1269 | de->d_name)) { |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1270 | *product_name = 0; |
| 1271 | } else { |
| 1272 | if (strlen(line) > 0) |
| 1273 | line[strlen(line) - 1] = '\0'; |
| 1274 | pstrcpy(product_name, sizeof(product_name), line); |
| 1275 | } |
| 1276 | |
blueswir1 | b4e237a | 2008-12-28 15:45:20 +0000 | [diff] [blame] | 1277 | if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1278 | goto the_end; |
| 1279 | if (!strcmp(line, "480\n")) |
| 1280 | speed = USB_SPEED_HIGH; |
| 1281 | else if (!strcmp(line, "1.5\n")) |
| 1282 | speed = USB_SPEED_LOW; |
| 1283 | else |
| 1284 | speed = USB_SPEED_FULL; |
| 1285 | |
| 1286 | ret = func(opaque, bus_num, addr, class_id, vendor_id, |
| 1287 | product_id, product_name, speed); |
| 1288 | if (ret) |
| 1289 | goto the_end; |
| 1290 | } |
| 1291 | } |
| 1292 | the_end: |
| 1293 | if (dir) |
| 1294 | closedir(dir); |
| 1295 | return ret; |
| 1296 | } |
| 1297 | |
| 1298 | /* |
| 1299 | * Determine how to access the host's USB devices and call the |
| 1300 | * specific support function. |
| 1301 | */ |
| 1302 | static int usb_host_scan(void *opaque, USBScanFunc *func) |
| 1303 | { |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1304 | Monitor *mon = cur_mon; |
Blue Swirl | 660f11b | 2009-07-31 21:16:51 +0000 | [diff] [blame] | 1305 | FILE *f = NULL; |
| 1306 | DIR *dir = NULL; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1307 | int ret = 0; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1308 | const char *fs_type[] = {"unknown", "proc", "dev", "sys"}; |
| 1309 | char devpath[PATH_MAX]; |
| 1310 | |
| 1311 | /* only check the host once */ |
| 1312 | if (!usb_fs_type) { |
Mark McLoughlin | 5549624 | 2009-07-03 09:28:02 +0100 | [diff] [blame] | 1313 | dir = opendir(USBSYSBUS_PATH "/devices"); |
| 1314 | if (dir) { |
| 1315 | /* devices found in /dev/bus/usb/ (yes - not a mistake!) */ |
| 1316 | strcpy(devpath, USBDEVBUS_PATH); |
| 1317 | usb_fs_type = USB_FS_SYS; |
| 1318 | closedir(dir); |
| 1319 | dprintf(USBDBG_DEVOPENED, USBSYSBUS_PATH); |
| 1320 | goto found_devices; |
| 1321 | } |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1322 | f = fopen(USBPROCBUS_PATH "/devices", "r"); |
| 1323 | if (f) { |
| 1324 | /* devices found in /proc/bus/usb/ */ |
| 1325 | strcpy(devpath, USBPROCBUS_PATH); |
| 1326 | usb_fs_type = USB_FS_PROC; |
| 1327 | fclose(f); |
blueswir1 | 5be8e1f | 2008-10-25 11:47:20 +0000 | [diff] [blame] | 1328 | dprintf(USBDBG_DEVOPENED, USBPROCBUS_PATH); |
aliguori | f16a0db | 2008-10-21 16:34:20 +0000 | [diff] [blame] | 1329 | goto found_devices; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1330 | } |
| 1331 | /* try additional methods if an access method hasn't been found yet */ |
| 1332 | f = fopen(USBDEVBUS_PATH "/devices", "r"); |
aliguori | f16a0db | 2008-10-21 16:34:20 +0000 | [diff] [blame] | 1333 | if (f) { |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1334 | /* devices found in /dev/bus/usb/ */ |
| 1335 | strcpy(devpath, USBDEVBUS_PATH); |
| 1336 | usb_fs_type = USB_FS_DEV; |
| 1337 | fclose(f); |
blueswir1 | 5be8e1f | 2008-10-25 11:47:20 +0000 | [diff] [blame] | 1338 | dprintf(USBDBG_DEVOPENED, USBDEVBUS_PATH); |
aliguori | f16a0db | 2008-10-21 16:34:20 +0000 | [diff] [blame] | 1339 | goto found_devices; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1340 | } |
aliguori | f16a0db | 2008-10-21 16:34:20 +0000 | [diff] [blame] | 1341 | found_devices: |
aliguori | 22babeb | 2008-10-21 16:27:28 +0000 | [diff] [blame] | 1342 | if (!usb_fs_type) { |
Gerd Hoffmann | eba6fe8 | 2009-12-15 11:43:02 +0100 | [diff] [blame] | 1343 | if (mon) |
| 1344 | monitor_printf(mon, "husb: unable to access USB devices\n"); |
aliguori | f16a0db | 2008-10-21 16:34:20 +0000 | [diff] [blame] | 1345 | return -ENOENT; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1346 | } |
| 1347 | |
| 1348 | /* the module setting (used later for opening devices) */ |
| 1349 | usb_host_device_path = qemu_mallocz(strlen(devpath)+1); |
aliguori | 1eec614 | 2009-02-05 22:06:18 +0000 | [diff] [blame] | 1350 | strcpy(usb_host_device_path, devpath); |
Gerd Hoffmann | eba6fe8 | 2009-12-15 11:43:02 +0100 | [diff] [blame] | 1351 | if (mon) |
| 1352 | monitor_printf(mon, "husb: using %s file-system with %s\n", |
| 1353 | fs_type[usb_fs_type], usb_host_device_path); |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1354 | } |
| 1355 | |
| 1356 | switch (usb_fs_type) { |
| 1357 | case USB_FS_PROC: |
| 1358 | case USB_FS_DEV: |
| 1359 | ret = usb_host_scan_dev(opaque, func); |
| 1360 | break; |
| 1361 | case USB_FS_SYS: |
| 1362 | ret = usb_host_scan_sys(opaque, func); |
| 1363 | break; |
aliguori | f16a0db | 2008-10-21 16:34:20 +0000 | [diff] [blame] | 1364 | default: |
| 1365 | ret = -EINVAL; |
| 1366 | break; |
aliguori | 0f43152 | 2008-10-07 20:06:37 +0000 | [diff] [blame] | 1367 | } |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1368 | return ret; |
| 1369 | } |
| 1370 | |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1371 | static QEMUTimer *usb_auto_timer; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1372 | |
| 1373 | static int usb_host_auto_scan(void *opaque, int bus_num, int addr, |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1374 | int class_id, int vendor_id, int product_id, |
| 1375 | const char *product_name, int speed) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1376 | { |
| 1377 | struct USBAutoFilter *f; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1378 | struct USBHostDevice *s; |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1379 | |
| 1380 | /* Ignore hubs */ |
| 1381 | if (class_id == 9) |
| 1382 | return 0; |
| 1383 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1384 | QTAILQ_FOREACH(s, &hostdevs, next) { |
| 1385 | f = &s->match; |
| 1386 | |
| 1387 | if (f->bus_num > 0 && f->bus_num != bus_num) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1388 | continue; |
| 1389 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1390 | if (f->addr > 0 && f->addr != addr) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1391 | continue; |
| 1392 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1393 | if (f->vendor_id > 0 && f->vendor_id != vendor_id) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1394 | continue; |
| 1395 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1396 | if (f->product_id > 0 && f->product_id != product_id) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1397 | continue; |
| 1398 | |
| 1399 | /* We got a match */ |
| 1400 | |
Markus Armbruster | 33e66b8 | 2009-10-07 01:15:57 +0200 | [diff] [blame] | 1401 | /* Already attached ? */ |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1402 | if (s->fd != -1) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1403 | return 0; |
| 1404 | |
aliguori | 6483817 | 2008-08-21 19:31:10 +0000 | [diff] [blame] | 1405 | dprintf("husb: auto open: bus_num %d addr %d\n", bus_num, addr); |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1406 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1407 | usb_host_open(s, bus_num, addr, product_name); |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1408 | } |
| 1409 | |
| 1410 | return 0; |
| 1411 | } |
| 1412 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1413 | static void usb_host_auto_check(void *unused) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1414 | { |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1415 | struct USBHostDevice *s; |
| 1416 | int unconnected = 0; |
| 1417 | |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1418 | usb_host_scan(NULL, usb_host_auto_scan); |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1419 | |
| 1420 | QTAILQ_FOREACH(s, &hostdevs, next) { |
| 1421 | if (s->fd == -1) |
| 1422 | unconnected++; |
| 1423 | } |
| 1424 | |
| 1425 | if (unconnected == 0) { |
| 1426 | /* nothing to watch */ |
| 1427 | if (usb_auto_timer) |
| 1428 | qemu_del_timer(usb_auto_timer); |
| 1429 | return; |
| 1430 | } |
| 1431 | |
| 1432 | if (!usb_auto_timer) { |
| 1433 | usb_auto_timer = qemu_new_timer(rt_clock, usb_host_auto_check, NULL); |
| 1434 | if (!usb_auto_timer) |
| 1435 | return; |
| 1436 | } |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1437 | qemu_mod_timer(usb_auto_timer, qemu_get_clock(rt_clock) + 2000); |
| 1438 | } |
| 1439 | |
| 1440 | /* |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1441 | * Autoconnect filter |
| 1442 | * Format: |
| 1443 | * auto:bus:dev[:vid:pid] |
| 1444 | * auto:bus.dev[:vid:pid] |
| 1445 | * |
| 1446 | * bus - bus number (dec, * means any) |
| 1447 | * dev - device number (dec, * means any) |
| 1448 | * vid - vendor id (hex, * means any) |
| 1449 | * pid - product id (hex, * means any) |
| 1450 | * |
| 1451 | * See 'lsusb' output. |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1452 | */ |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1453 | static int parse_filter(const char *spec, struct USBAutoFilter *f) |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1454 | { |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1455 | enum { BUS, DEV, VID, PID, DONE }; |
| 1456 | const char *p = spec; |
| 1457 | int i; |
| 1458 | |
Markus Armbruster | 0745eb1 | 2009-11-27 13:05:53 +0100 | [diff] [blame] | 1459 | f->bus_num = 0; |
| 1460 | f->addr = 0; |
| 1461 | f->vendor_id = 0; |
| 1462 | f->product_id = 0; |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1463 | |
| 1464 | for (i = BUS; i < DONE; i++) { |
| 1465 | p = strpbrk(p, ":."); |
| 1466 | if (!p) break; |
| 1467 | p++; |
| 1468 | |
| 1469 | if (*p == '*') |
| 1470 | continue; |
| 1471 | |
| 1472 | switch(i) { |
| 1473 | case BUS: f->bus_num = strtol(p, NULL, 10); break; |
| 1474 | case DEV: f->addr = strtol(p, NULL, 10); break; |
| 1475 | case VID: f->vendor_id = strtol(p, NULL, 16); break; |
| 1476 | case PID: f->product_id = strtol(p, NULL, 16); break; |
| 1477 | } |
aliguori | 4b096fc | 2008-08-21 19:28:55 +0000 | [diff] [blame] | 1478 | } |
| 1479 | |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1480 | if (i < DEV) { |
| 1481 | fprintf(stderr, "husb: invalid auto filter spec %s\n", spec); |
| 1482 | return -1; |
| 1483 | } |
| 1484 | |
| 1485 | return 0; |
| 1486 | } |
| 1487 | |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1488 | /**********************/ |
| 1489 | /* USB host device info */ |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1490 | |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1491 | struct usb_class_info { |
| 1492 | int class; |
| 1493 | const char *class_name; |
| 1494 | }; |
| 1495 | |
| 1496 | static const struct usb_class_info usb_class_info[] = { |
| 1497 | { USB_CLASS_AUDIO, "Audio"}, |
| 1498 | { USB_CLASS_COMM, "Communication"}, |
| 1499 | { USB_CLASS_HID, "HID"}, |
| 1500 | { USB_CLASS_HUB, "Hub" }, |
| 1501 | { USB_CLASS_PHYSICAL, "Physical" }, |
| 1502 | { USB_CLASS_PRINTER, "Printer" }, |
| 1503 | { USB_CLASS_MASS_STORAGE, "Storage" }, |
| 1504 | { USB_CLASS_CDC_DATA, "Data" }, |
| 1505 | { USB_CLASS_APP_SPEC, "Application Specific" }, |
| 1506 | { USB_CLASS_VENDOR_SPEC, "Vendor Specific" }, |
| 1507 | { USB_CLASS_STILL_IMAGE, "Still Image" }, |
balrog | b9dc033 | 2007-10-04 22:47:34 +0000 | [diff] [blame] | 1508 | { USB_CLASS_CSCID, "Smart Card" }, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1509 | { USB_CLASS_CONTENT_SEC, "Content Security" }, |
| 1510 | { -1, NULL } |
| 1511 | }; |
| 1512 | |
| 1513 | static const char *usb_class_str(uint8_t class) |
| 1514 | { |
| 1515 | const struct usb_class_info *p; |
| 1516 | for(p = usb_class_info; p->class != -1; p++) { |
| 1517 | if (p->class == class) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1518 | break; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1519 | } |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1520 | return p->class_name; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1521 | } |
| 1522 | |
Blue Swirl | 179da8a | 2009-09-07 19:00:18 +0000 | [diff] [blame] | 1523 | static void usb_info_device(Monitor *mon, int bus_num, int addr, int class_id, |
pbrook | 9596ebb | 2007-11-18 01:44:38 +0000 | [diff] [blame] | 1524 | int vendor_id, int product_id, |
| 1525 | const char *product_name, |
| 1526 | int speed) |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1527 | { |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1528 | const char *class_str, *speed_str; |
| 1529 | |
| 1530 | switch(speed) { |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1531 | case USB_SPEED_LOW: |
| 1532 | speed_str = "1.5"; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1533 | break; |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1534 | case USB_SPEED_FULL: |
| 1535 | speed_str = "12"; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1536 | break; |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1537 | case USB_SPEED_HIGH: |
| 1538 | speed_str = "480"; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1539 | break; |
| 1540 | default: |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1541 | speed_str = "?"; |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1542 | break; |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1543 | } |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1544 | |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1545 | monitor_printf(mon, " Device %d.%d, speed %s Mb/s\n", |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1546 | bus_num, addr, speed_str); |
| 1547 | class_str = usb_class_str(class_id); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1548 | if (class_str) |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1549 | monitor_printf(mon, " %s:", class_str); |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1550 | else |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1551 | monitor_printf(mon, " Class %02x:", class_id); |
| 1552 | monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id); |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1553 | if (product_name[0] != '\0') |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1554 | monitor_printf(mon, ", %s", product_name); |
| 1555 | monitor_printf(mon, "\n"); |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1556 | } |
| 1557 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1558 | static int usb_host_info_device(void *opaque, int bus_num, int addr, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1559 | int class_id, |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 1560 | int vendor_id, int product_id, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1561 | const char *product_name, |
| 1562 | int speed) |
| 1563 | { |
Blue Swirl | 179da8a | 2009-09-07 19:00:18 +0000 | [diff] [blame] | 1564 | Monitor *mon = opaque; |
| 1565 | |
| 1566 | usb_info_device(mon, bus_num, addr, class_id, vendor_id, product_id, |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1567 | product_name, speed); |
| 1568 | return 0; |
| 1569 | } |
| 1570 | |
aliguori | ac4ffb5 | 2008-09-22 15:04:31 +0000 | [diff] [blame] | 1571 | static void dec2str(int val, char *str, size_t size) |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1572 | { |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1573 | if (val == 0) |
aliguori | ac4ffb5 | 2008-09-22 15:04:31 +0000 | [diff] [blame] | 1574 | snprintf(str, size, "*"); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1575 | else |
aliguori | ac4ffb5 | 2008-09-22 15:04:31 +0000 | [diff] [blame] | 1576 | snprintf(str, size, "%d", val); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1577 | } |
| 1578 | |
aliguori | ac4ffb5 | 2008-09-22 15:04:31 +0000 | [diff] [blame] | 1579 | static void hex2str(int val, char *str, size_t size) |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1580 | { |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1581 | if (val == 0) |
aliguori | ac4ffb5 | 2008-09-22 15:04:31 +0000 | [diff] [blame] | 1582 | snprintf(str, size, "*"); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1583 | else |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1584 | snprintf(str, size, "%04x", val); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1585 | } |
| 1586 | |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1587 | void usb_host_info(Monitor *mon) |
bellard | a594cfb | 2005-11-06 16:13:29 +0000 | [diff] [blame] | 1588 | { |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1589 | struct USBAutoFilter *f; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1590 | struct USBHostDevice *s; |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1591 | |
Blue Swirl | 179da8a | 2009-09-07 19:00:18 +0000 | [diff] [blame] | 1592 | usb_host_scan(mon, usb_host_info_device); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1593 | |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1594 | if (QTAILQ_EMPTY(&hostdevs)) |
| 1595 | return; |
| 1596 | monitor_printf(mon, " Auto filters:\n"); |
| 1597 | QTAILQ_FOREACH(s, &hostdevs, next) { |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1598 | char bus[10], addr[10], vid[10], pid[10]; |
Gerd Hoffmann | 26a9e82 | 2009-10-26 15:56:50 +0100 | [diff] [blame] | 1599 | f = &s->match; |
aliguori | ac4ffb5 | 2008-09-22 15:04:31 +0000 | [diff] [blame] | 1600 | dec2str(f->bus_num, bus, sizeof(bus)); |
| 1601 | dec2str(f->addr, addr, sizeof(addr)); |
| 1602 | hex2str(f->vendor_id, vid, sizeof(vid)); |
| 1603 | hex2str(f->product_id, pid, sizeof(pid)); |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 1604 | monitor_printf(mon, " Device %s.%s ID %s:%s\n", |
| 1605 | bus, addr, vid, pid); |
aliguori | 5d0c575 | 2008-09-14 01:07:41 +0000 | [diff] [blame] | 1606 | } |
bellard | bb36d47 | 2005-11-05 14:22:28 +0000 | [diff] [blame] | 1607 | } |