bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU USB HUB emulation |
| 3 | * |
| 4 | * Copyright (c) 2005 Fabrice Bellard |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 5 | * |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 24 | #include "qemu-common.h" |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 25 | #include "trace.h" |
Gerd Hoffmann | f1ae32a | 2012-03-07 14:55:18 +0100 | [diff] [blame] | 26 | #include "hw/usb.h" |
| 27 | #include "hw/usb/desc.h" |
Gerd Hoffmann | c24e4aa | 2013-03-20 11:40:02 +0100 | [diff] [blame] | 28 | #include "qemu/error-report.h" |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 29 | |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 30 | #define NUM_PORTS 8 |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 31 | |
| 32 | typedef struct USBHubPort { |
| 33 | USBPort port; |
| 34 | uint16_t wPortStatus; |
| 35 | uint16_t wPortChange; |
| 36 | } USBHubPort; |
| 37 | |
| 38 | typedef struct USBHubState { |
| 39 | USBDevice dev; |
Gerd Hoffmann | 7567b51 | 2012-01-17 13:25:46 +0100 | [diff] [blame] | 40 | USBEndpoint *intr; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 41 | USBHubPort ports[NUM_PORTS]; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 42 | } USBHubState; |
| 43 | |
| 44 | #define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE) |
| 45 | #define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE) |
| 46 | #define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR) |
| 47 | #define GetHubStatus (0xa000 | USB_REQ_GET_STATUS) |
| 48 | #define GetPortStatus (0xa300 | USB_REQ_GET_STATUS) |
| 49 | #define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE) |
| 50 | #define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE) |
| 51 | |
| 52 | #define PORT_STAT_CONNECTION 0x0001 |
| 53 | #define PORT_STAT_ENABLE 0x0002 |
| 54 | #define PORT_STAT_SUSPEND 0x0004 |
| 55 | #define PORT_STAT_OVERCURRENT 0x0008 |
| 56 | #define PORT_STAT_RESET 0x0010 |
| 57 | #define PORT_STAT_POWER 0x0100 |
| 58 | #define PORT_STAT_LOW_SPEED 0x0200 |
| 59 | #define PORT_STAT_HIGH_SPEED 0x0400 |
| 60 | #define PORT_STAT_TEST 0x0800 |
| 61 | #define PORT_STAT_INDICATOR 0x1000 |
| 62 | |
| 63 | #define PORT_STAT_C_CONNECTION 0x0001 |
| 64 | #define PORT_STAT_C_ENABLE 0x0002 |
| 65 | #define PORT_STAT_C_SUSPEND 0x0004 |
| 66 | #define PORT_STAT_C_OVERCURRENT 0x0008 |
| 67 | #define PORT_STAT_C_RESET 0x0010 |
| 68 | |
| 69 | #define PORT_CONNECTION 0 |
| 70 | #define PORT_ENABLE 1 |
| 71 | #define PORT_SUSPEND 2 |
| 72 | #define PORT_OVERCURRENT 3 |
| 73 | #define PORT_RESET 4 |
| 74 | #define PORT_POWER 8 |
| 75 | #define PORT_LOWSPEED 9 |
| 76 | #define PORT_HIGHSPEED 10 |
| 77 | #define PORT_C_CONNECTION 16 |
| 78 | #define PORT_C_ENABLE 17 |
| 79 | #define PORT_C_SUSPEND 18 |
| 80 | #define PORT_C_OVERCURRENT 19 |
| 81 | #define PORT_C_RESET 20 |
| 82 | #define PORT_TEST 21 |
| 83 | #define PORT_INDICATOR 22 |
| 84 | |
| 85 | /* same as Linux kernel root hubs */ |
| 86 | |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 87 | enum { |
| 88 | STR_MANUFACTURER = 1, |
| 89 | STR_PRODUCT, |
| 90 | STR_SERIALNUMBER, |
| 91 | }; |
| 92 | |
| 93 | static const USBDescStrings desc_strings = { |
Crístian Viana | 93bfef4 | 2012-05-30 00:35:51 -0300 | [diff] [blame] | 94 | [STR_MANUFACTURER] = "QEMU", |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 95 | [STR_PRODUCT] = "QEMU USB Hub", |
| 96 | [STR_SERIALNUMBER] = "314159", |
| 97 | }; |
| 98 | |
| 99 | static const USBDescIface desc_iface_hub = { |
| 100 | .bInterfaceNumber = 0, |
| 101 | .bNumEndpoints = 1, |
| 102 | .bInterfaceClass = USB_CLASS_HUB, |
| 103 | .eps = (USBDescEndpoint[]) { |
| 104 | { |
| 105 | .bEndpointAddress = USB_DIR_IN | 0x01, |
| 106 | .bmAttributes = USB_ENDPOINT_XFER_INT, |
| 107 | .wMaxPacketSize = 1 + (NUM_PORTS + 7) / 8, |
| 108 | .bInterval = 0xff, |
| 109 | }, |
| 110 | } |
| 111 | }; |
| 112 | |
| 113 | static const USBDescDevice desc_device_hub = { |
| 114 | .bcdUSB = 0x0110, |
| 115 | .bDeviceClass = USB_CLASS_HUB, |
| 116 | .bMaxPacketSize0 = 8, |
| 117 | .bNumConfigurations = 1, |
| 118 | .confs = (USBDescConfig[]) { |
| 119 | { |
| 120 | .bNumInterfaces = 1, |
| 121 | .bConfigurationValue = 1, |
Pantelis Koukousoulas | bd93976 | 2013-12-16 09:42:49 +0200 | [diff] [blame] | 122 | .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER | |
| 123 | USB_CFG_ATT_WAKEUP, |
Brad Hards | add7508 | 2011-04-03 15:33:19 +1000 | [diff] [blame] | 124 | .nif = 1, |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 125 | .ifs = &desc_iface_hub, |
| 126 | }, |
| 127 | }, |
| 128 | }; |
| 129 | |
| 130 | static const USBDesc desc_hub = { |
| 131 | .id = { |
Roy Tam | db80358 | 2011-09-15 11:25:47 +0800 | [diff] [blame] | 132 | .idVendor = 0x0409, |
| 133 | .idProduct = 0x55aa, |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 134 | .bcdDevice = 0x0101, |
| 135 | .iManufacturer = STR_MANUFACTURER, |
| 136 | .iProduct = STR_PRODUCT, |
| 137 | .iSerialNumber = STR_SERIALNUMBER, |
| 138 | }, |
| 139 | .full = &desc_device_hub, |
| 140 | .str = desc_strings, |
| 141 | }; |
| 142 | |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 143 | static const uint8_t qemu_hub_hub_descriptor[] = |
| 144 | { |
bellard | 67f3656 | 2006-05-05 20:05:35 +0000 | [diff] [blame] | 145 | 0x00, /* u8 bLength; patched in later */ |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 146 | 0x29, /* u8 bDescriptorType; Hub-descriptor */ |
| 147 | 0x00, /* u8 bNbrPorts; (patched later) */ |
| 148 | 0x0a, /* u16 wHubCharacteristics; */ |
| 149 | 0x00, /* (per-port OC, no power switching) */ |
| 150 | 0x01, /* u8 bPwrOn2pwrGood; 2ms */ |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 151 | 0x00 /* u8 bHubContrCurrent; 0 mA */ |
| 152 | |
| 153 | /* DeviceRemovable and PortPwrCtrlMask patched in later */ |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 154 | }; |
| 155 | |
Gerd Hoffmann | 618c169 | 2010-12-01 11:27:05 +0100 | [diff] [blame] | 156 | static void usb_hub_attach(USBPort *port1) |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 157 | { |
| 158 | USBHubState *s = port1->opaque; |
| 159 | USBHubPort *port = &s->ports[port1->index]; |
ths | 3b46e62 | 2007-09-17 08:09:54 +0000 | [diff] [blame] | 160 | |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 161 | trace_usb_hub_attach(s->dev.addr, port1->index + 1); |
Gerd Hoffmann | 618c169 | 2010-12-01 11:27:05 +0100 | [diff] [blame] | 162 | port->wPortStatus |= PORT_STAT_CONNECTION; |
| 163 | port->wPortChange |= PORT_STAT_C_CONNECTION; |
| 164 | if (port->port.dev->speed == USB_SPEED_LOW) { |
| 165 | port->wPortStatus |= PORT_STAT_LOW_SPEED; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 166 | } else { |
Gerd Hoffmann | 618c169 | 2010-12-01 11:27:05 +0100 | [diff] [blame] | 167 | port->wPortStatus &= ~PORT_STAT_LOW_SPEED; |
| 168 | } |
Gerd Hoffmann | 8550a02 | 2013-01-29 12:44:35 +0100 | [diff] [blame] | 169 | usb_wakeup(s->intr, 0); |
Gerd Hoffmann | 618c169 | 2010-12-01 11:27:05 +0100 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | static void usb_hub_detach(USBPort *port1) |
| 173 | { |
| 174 | USBHubState *s = port1->opaque; |
| 175 | USBHubPort *port = &s->ports[port1->index]; |
| 176 | |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 177 | trace_usb_hub_detach(s->dev.addr, port1->index + 1); |
Gerd Hoffmann | 8550a02 | 2013-01-29 12:44:35 +0100 | [diff] [blame] | 178 | usb_wakeup(s->intr, 0); |
Gerd Hoffmann | be35cbb | 2011-11-22 13:20:14 +0100 | [diff] [blame] | 179 | |
Hans de Goede | 4706ab6 | 2011-06-24 12:31:11 +0200 | [diff] [blame] | 180 | /* Let upstream know the device on this port is gone */ |
| 181 | s->dev.port->ops->child_detach(s->dev.port, port1->dev); |
| 182 | |
Gerd Hoffmann | 618c169 | 2010-12-01 11:27:05 +0100 | [diff] [blame] | 183 | port->wPortStatus &= ~PORT_STAT_CONNECTION; |
| 184 | port->wPortChange |= PORT_STAT_C_CONNECTION; |
| 185 | if (port->wPortStatus & PORT_STAT_ENABLE) { |
| 186 | port->wPortStatus &= ~PORT_STAT_ENABLE; |
| 187 | port->wPortChange |= PORT_STAT_C_ENABLE; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 188 | } |
Gerd Hoffmann | 8550a02 | 2013-01-29 12:44:35 +0100 | [diff] [blame] | 189 | usb_wakeup(s->intr, 0); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 190 | } |
| 191 | |
Hans de Goede | 4706ab6 | 2011-06-24 12:31:11 +0200 | [diff] [blame] | 192 | static void usb_hub_child_detach(USBPort *port1, USBDevice *child) |
| 193 | { |
| 194 | USBHubState *s = port1->opaque; |
| 195 | |
| 196 | /* Pass along upstream */ |
| 197 | s->dev.port->ops->child_detach(s->dev.port, child); |
| 198 | } |
| 199 | |
Hans de Goede | d47e59b | 2011-06-21 11:52:28 +0200 | [diff] [blame] | 200 | static void usb_hub_wakeup(USBPort *port1) |
Gerd Hoffmann | 34239c7 | 2010-12-15 12:26:59 +0100 | [diff] [blame] | 201 | { |
Hans de Goede | d47e59b | 2011-06-21 11:52:28 +0200 | [diff] [blame] | 202 | USBHubState *s = port1->opaque; |
| 203 | USBHubPort *port = &s->ports[port1->index]; |
Gerd Hoffmann | 34239c7 | 2010-12-15 12:26:59 +0100 | [diff] [blame] | 204 | |
| 205 | if (port->wPortStatus & PORT_STAT_SUSPEND) { |
| 206 | port->wPortChange |= PORT_STAT_C_SUSPEND; |
Gerd Hoffmann | 8550a02 | 2013-01-29 12:44:35 +0100 | [diff] [blame] | 207 | usb_wakeup(s->intr, 0); |
Gerd Hoffmann | 34239c7 | 2010-12-15 12:26:59 +0100 | [diff] [blame] | 208 | } |
| 209 | } |
| 210 | |
Hans de Goede | d47e59b | 2011-06-21 11:52:28 +0200 | [diff] [blame] | 211 | static void usb_hub_complete(USBPort *port, USBPacket *packet) |
Gerd Hoffmann | 13a9a0d | 2010-12-16 17:03:44 +0100 | [diff] [blame] | 212 | { |
Hans de Goede | d47e59b | 2011-06-21 11:52:28 +0200 | [diff] [blame] | 213 | USBHubState *s = port->opaque; |
Gerd Hoffmann | 13a9a0d | 2010-12-16 17:03:44 +0100 | [diff] [blame] | 214 | |
| 215 | /* |
| 216 | * Just pass it along upstream for now. |
| 217 | * |
Gerd Hoffmann | 80cf7cf | 2011-10-13 12:52:47 +0200 | [diff] [blame] | 218 | * If we ever implement usb 2.0 split transactions this will |
Gerd Hoffmann | 13a9a0d | 2010-12-16 17:03:44 +0100 | [diff] [blame] | 219 | * become a little more complicated ... |
Gerd Hoffmann | 80cf7cf | 2011-10-13 12:52:47 +0200 | [diff] [blame] | 220 | * |
| 221 | * Can't use usb_packet_complete() here because packet->owner is |
| 222 | * cleared already, go call the ->complete() callback directly |
| 223 | * instead. |
Gerd Hoffmann | 13a9a0d | 2010-12-16 17:03:44 +0100 | [diff] [blame] | 224 | */ |
Gerd Hoffmann | 80cf7cf | 2011-10-13 12:52:47 +0200 | [diff] [blame] | 225 | s->dev.port->ops->complete(s->dev.port, packet); |
Gerd Hoffmann | 13a9a0d | 2010-12-16 17:03:44 +0100 | [diff] [blame] | 226 | } |
| 227 | |
Gerd Hoffmann | 06c7508 | 2012-01-10 17:08:13 +0100 | [diff] [blame] | 228 | static USBDevice *usb_hub_find_device(USBDevice *dev, uint8_t addr) |
| 229 | { |
| 230 | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
| 231 | USBHubPort *port; |
| 232 | USBDevice *downstream; |
| 233 | int i; |
| 234 | |
| 235 | for (i = 0; i < NUM_PORTS; i++) { |
| 236 | port = &s->ports[i]; |
| 237 | if (!(port->wPortStatus & PORT_STAT_ENABLE)) { |
| 238 | continue; |
| 239 | } |
| 240 | downstream = usb_find_device(&port->port, addr); |
| 241 | if (downstream != NULL) { |
| 242 | return downstream; |
| 243 | } |
| 244 | } |
| 245 | return NULL; |
| 246 | } |
| 247 | |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 248 | static void usb_hub_handle_reset(USBDevice *dev) |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 249 | { |
Gerd Hoffmann | 20d183b | 2011-11-23 13:31:08 +0100 | [diff] [blame] | 250 | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
| 251 | USBHubPort *port; |
| 252 | int i; |
| 253 | |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 254 | trace_usb_hub_reset(s->dev.addr); |
Gerd Hoffmann | 20d183b | 2011-11-23 13:31:08 +0100 | [diff] [blame] | 255 | for (i = 0; i < NUM_PORTS; i++) { |
| 256 | port = s->ports + i; |
| 257 | port->wPortStatus = PORT_STAT_POWER; |
| 258 | port->wPortChange = 0; |
| 259 | if (port->port.dev && port->port.dev->attached) { |
| 260 | port->wPortStatus |= PORT_STAT_CONNECTION; |
| 261 | port->wPortChange |= PORT_STAT_C_CONNECTION; |
| 262 | if (port->port.dev->speed == USB_SPEED_LOW) { |
| 263 | port->wPortStatus |= PORT_STAT_LOW_SPEED; |
| 264 | } |
| 265 | } |
| 266 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 267 | } |
| 268 | |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 269 | static const char *feature_name(int feature) |
| 270 | { |
| 271 | static const char *name[] = { |
| 272 | [PORT_CONNECTION] = "connection", |
| 273 | [PORT_ENABLE] = "enable", |
| 274 | [PORT_SUSPEND] = "suspend", |
| 275 | [PORT_OVERCURRENT] = "overcurrent", |
| 276 | [PORT_RESET] = "reset", |
| 277 | [PORT_POWER] = "power", |
| 278 | [PORT_LOWSPEED] = "lowspeed", |
| 279 | [PORT_HIGHSPEED] = "highspeed", |
| 280 | [PORT_C_CONNECTION] = "change connection", |
| 281 | [PORT_C_ENABLE] = "change enable", |
| 282 | [PORT_C_SUSPEND] = "change suspend", |
| 283 | [PORT_C_OVERCURRENT] = "change overcurrent", |
| 284 | [PORT_C_RESET] = "change reset", |
| 285 | [PORT_TEST] = "test", |
| 286 | [PORT_INDICATOR] = "indicator", |
| 287 | }; |
| 288 | if (feature < 0 || feature >= ARRAY_SIZE(name)) { |
| 289 | return "?"; |
| 290 | } |
| 291 | return name[feature] ?: "?"; |
| 292 | } |
| 293 | |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 294 | static void usb_hub_handle_control(USBDevice *dev, USBPacket *p, |
Hans de Goede | 007fd62 | 2011-02-02 16:33:13 +0100 | [diff] [blame] | 295 | int request, int value, int index, int length, uint8_t *data) |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 296 | { |
| 297 | USBHubState *s = (USBHubState *)dev; |
| 298 | int ret; |
| 299 | |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 300 | trace_usb_hub_control(s->dev.addr, request, value, index, length); |
| 301 | |
Hans de Goede | 007fd62 | 2011-02-02 16:33:13 +0100 | [diff] [blame] | 302 | ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 303 | if (ret >= 0) { |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 304 | return; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 305 | } |
| 306 | |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 307 | switch(request) { |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 308 | case EndpointOutRequest | USB_REQ_CLEAR_FEATURE: |
| 309 | if (value == 0 && index != 0x81) { /* clear ep halt */ |
| 310 | goto fail; |
| 311 | } |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 312 | break; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 313 | /* usb specific requests */ |
| 314 | case GetHubStatus: |
| 315 | data[0] = 0; |
| 316 | data[1] = 0; |
| 317 | data[2] = 0; |
| 318 | data[3] = 0; |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 319 | p->actual_length = 4; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 320 | break; |
| 321 | case GetPortStatus: |
| 322 | { |
| 323 | unsigned int n = index - 1; |
| 324 | USBHubPort *port; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 325 | if (n >= NUM_PORTS) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 326 | goto fail; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 327 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 328 | port = &s->ports[n]; |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 329 | trace_usb_hub_get_port_status(s->dev.addr, index, |
| 330 | port->wPortStatus, |
| 331 | port->wPortChange); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 332 | data[0] = port->wPortStatus; |
| 333 | data[1] = port->wPortStatus >> 8; |
| 334 | data[2] = port->wPortChange; |
| 335 | data[3] = port->wPortChange >> 8; |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 336 | p->actual_length = 4; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 337 | } |
| 338 | break; |
| 339 | case SetHubFeature: |
| 340 | case ClearHubFeature: |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 341 | if (value != 0 && value != 1) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 342 | goto fail; |
| 343 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 344 | break; |
| 345 | case SetPortFeature: |
| 346 | { |
| 347 | unsigned int n = index - 1; |
| 348 | USBHubPort *port; |
| 349 | USBDevice *dev; |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 350 | |
| 351 | trace_usb_hub_set_port_feature(s->dev.addr, index, |
| 352 | feature_name(value)); |
| 353 | |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 354 | if (n >= NUM_PORTS) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 355 | goto fail; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 356 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 357 | port = &s->ports[n]; |
| 358 | dev = port->port.dev; |
| 359 | switch(value) { |
| 360 | case PORT_SUSPEND: |
| 361 | port->wPortStatus |= PORT_STAT_SUSPEND; |
| 362 | break; |
| 363 | case PORT_RESET: |
Gerd Hoffmann | 3393bc1 | 2011-09-15 09:20:02 +0200 | [diff] [blame] | 364 | if (dev && dev->attached) { |
Gerd Hoffmann | d28f4e2 | 2012-01-06 15:23:10 +0100 | [diff] [blame] | 365 | usb_device_reset(dev); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 366 | port->wPortChange |= PORT_STAT_C_RESET; |
| 367 | /* set enable bit */ |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 368 | port->wPortStatus |= PORT_STAT_ENABLE; |
Gerd Hoffmann | 8550a02 | 2013-01-29 12:44:35 +0100 | [diff] [blame] | 369 | usb_wakeup(s->intr, 0); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 370 | } |
| 371 | break; |
| 372 | case PORT_POWER: |
| 373 | break; |
| 374 | default: |
| 375 | goto fail; |
| 376 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 377 | } |
| 378 | break; |
| 379 | case ClearPortFeature: |
| 380 | { |
| 381 | unsigned int n = index - 1; |
| 382 | USBHubPort *port; |
Blue Swirl | d4c4e6f | 2010-04-25 18:23:04 +0000 | [diff] [blame] | 383 | |
Gerd Hoffmann | 529f8f9 | 2012-03-23 15:42:58 +0100 | [diff] [blame] | 384 | trace_usb_hub_clear_port_feature(s->dev.addr, index, |
| 385 | feature_name(value)); |
| 386 | |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 387 | if (n >= NUM_PORTS) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 388 | goto fail; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 389 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 390 | port = &s->ports[n]; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 391 | switch(value) { |
| 392 | case PORT_ENABLE: |
| 393 | port->wPortStatus &= ~PORT_STAT_ENABLE; |
| 394 | break; |
| 395 | case PORT_C_ENABLE: |
| 396 | port->wPortChange &= ~PORT_STAT_C_ENABLE; |
| 397 | break; |
| 398 | case PORT_SUSPEND: |
| 399 | port->wPortStatus &= ~PORT_STAT_SUSPEND; |
| 400 | break; |
| 401 | case PORT_C_SUSPEND: |
| 402 | port->wPortChange &= ~PORT_STAT_C_SUSPEND; |
| 403 | break; |
| 404 | case PORT_C_CONNECTION: |
| 405 | port->wPortChange &= ~PORT_STAT_C_CONNECTION; |
| 406 | break; |
| 407 | case PORT_C_OVERCURRENT: |
| 408 | port->wPortChange &= ~PORT_STAT_C_OVERCURRENT; |
| 409 | break; |
| 410 | case PORT_C_RESET: |
| 411 | port->wPortChange &= ~PORT_STAT_C_RESET; |
| 412 | break; |
| 413 | default: |
| 414 | goto fail; |
| 415 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 416 | } |
| 417 | break; |
| 418 | case GetHubDescriptor: |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 419 | { |
| 420 | unsigned int n, limit, var_hub_size = 0; |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 421 | memcpy(data, qemu_hub_hub_descriptor, |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 422 | sizeof(qemu_hub_hub_descriptor)); |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 423 | data[2] = NUM_PORTS; |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 424 | |
| 425 | /* fill DeviceRemovable bits */ |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 426 | limit = ((NUM_PORTS + 1 + 7) / 8) + 7; |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 427 | for (n = 7; n < limit; n++) { |
| 428 | data[n] = 0x00; |
| 429 | var_hub_size++; |
| 430 | } |
| 431 | |
| 432 | /* fill PortPwrCtrlMask bits */ |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 433 | limit = limit + ((NUM_PORTS + 7) / 8); |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 434 | for (;n < limit; n++) { |
| 435 | data[n] = 0xff; |
| 436 | var_hub_size++; |
| 437 | } |
| 438 | |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 439 | p->actual_length = sizeof(qemu_hub_hub_descriptor) + var_hub_size; |
| 440 | data[0] = p->actual_length; |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 441 | break; |
| 442 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 443 | default: |
| 444 | fail: |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 445 | p->status = USB_RET_STALL; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 446 | break; |
| 447 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 448 | } |
| 449 | |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 450 | static void usb_hub_handle_data(USBDevice *dev, USBPacket *p) |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 451 | { |
| 452 | USBHubState *s = (USBHubState *)dev; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 453 | |
pbrook | 4d611c9 | 2006-08-12 01:04:27 +0000 | [diff] [blame] | 454 | switch(p->pid) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 455 | case USB_TOKEN_IN: |
Gerd Hoffmann | 079d0b7 | 2012-01-12 13:23:01 +0100 | [diff] [blame] | 456 | if (p->ep->nr == 1) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 457 | USBHubPort *port; |
| 458 | unsigned int status; |
Gerd Hoffmann | 4f4321c | 2011-07-12 15:22:25 +0200 | [diff] [blame] | 459 | uint8_t buf[4]; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 460 | int i, n; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 461 | n = (NUM_PORTS + 1 + 7) / 8; |
Gerd Hoffmann | 4f4321c | 2011-07-12 15:22:25 +0200 | [diff] [blame] | 462 | if (p->iov.size == 1) { /* FreeBSD workaround */ |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 463 | n = 1; |
Gerd Hoffmann | 4f4321c | 2011-07-12 15:22:25 +0200 | [diff] [blame] | 464 | } else if (n > p->iov.size) { |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 465 | p->status = USB_RET_BABBLE; |
| 466 | return; |
bellard | 985d174 | 2006-04-30 21:53:59 +0000 | [diff] [blame] | 467 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 468 | status = 0; |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 469 | for(i = 0; i < NUM_PORTS; i++) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 470 | port = &s->ports[i]; |
Gerd Hoffmann | bdebd6e | 2013-08-27 17:00:04 +0200 | [diff] [blame] | 471 | if (port->wPortChange) |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 472 | status |= (1 << (i + 1)); |
| 473 | } |
| 474 | if (status != 0) { |
Gerd Hoffmann | b8cbc13 | 2013-08-27 16:59:37 +0200 | [diff] [blame] | 475 | trace_usb_hub_status_report(s->dev.addr, status); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 476 | for(i = 0; i < n; i++) { |
Gerd Hoffmann | 4f4321c | 2011-07-12 15:22:25 +0200 | [diff] [blame] | 477 | buf[i] = status >> (8 * i); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 478 | } |
Gerd Hoffmann | 4f4321c | 2011-07-12 15:22:25 +0200 | [diff] [blame] | 479 | usb_packet_copy(p, buf, n); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 480 | } else { |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 481 | p->status = USB_RET_NAK; /* usb11 11.13.1 */ |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 482 | } |
| 483 | } else { |
| 484 | goto fail; |
| 485 | } |
| 486 | break; |
| 487 | case USB_TOKEN_OUT: |
| 488 | default: |
| 489 | fail: |
Hans de Goede | 9a77a0f | 2012-11-01 17:15:01 +0100 | [diff] [blame] | 490 | p->status = USB_RET_STALL; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 491 | break; |
| 492 | } |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 493 | } |
| 494 | |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 495 | static void usb_hub_handle_destroy(USBDevice *dev) |
| 496 | { |
| 497 | USBHubState *s = (USBHubState *)dev; |
Gerd Hoffmann | a8e662b | 2009-09-25 21:42:39 +0200 | [diff] [blame] | 498 | int i; |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 499 | |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 500 | for (i = 0; i < NUM_PORTS; i++) { |
Gerd Hoffmann | a8e662b | 2009-09-25 21:42:39 +0200 | [diff] [blame] | 501 | usb_unregister_port(usb_bus_from_device(dev), |
| 502 | &s->ports[i].port); |
| 503 | } |
bellard | 059809e | 2006-07-19 18:06:15 +0000 | [diff] [blame] | 504 | } |
| 505 | |
Gerd Hoffmann | 0d86d2b | 2010-12-01 11:08:44 +0100 | [diff] [blame] | 506 | static USBPortOps usb_hub_port_ops = { |
| 507 | .attach = usb_hub_attach, |
Gerd Hoffmann | 618c169 | 2010-12-01 11:27:05 +0100 | [diff] [blame] | 508 | .detach = usb_hub_detach, |
Hans de Goede | 4706ab6 | 2011-06-24 12:31:11 +0200 | [diff] [blame] | 509 | .child_detach = usb_hub_child_detach, |
Gerd Hoffmann | 34239c7 | 2010-12-15 12:26:59 +0100 | [diff] [blame] | 510 | .wakeup = usb_hub_wakeup, |
Gerd Hoffmann | 13a9a0d | 2010-12-16 17:03:44 +0100 | [diff] [blame] | 511 | .complete = usb_hub_complete, |
Gerd Hoffmann | 0d86d2b | 2010-12-01 11:08:44 +0100 | [diff] [blame] | 512 | }; |
| 513 | |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 514 | static int usb_hub_initfn(USBDevice *dev) |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 515 | { |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 516 | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 517 | USBHubPort *port; |
| 518 | int i; |
| 519 | |
Gerd Hoffmann | c24e4aa | 2013-03-20 11:40:02 +0100 | [diff] [blame] | 520 | if (dev->port->hubcount == 5) { |
| 521 | error_report("usb hub chain too deep"); |
| 522 | return -1; |
| 523 | } |
| 524 | |
Gerd Hoffmann | 9d55d1a | 2012-04-20 12:33:30 +0200 | [diff] [blame] | 525 | usb_desc_create_serial(dev); |
Gerd Hoffmann | a980a06 | 2010-11-26 20:20:41 +0100 | [diff] [blame] | 526 | usb_desc_init(dev); |
Gerd Hoffmann | 7567b51 | 2012-01-17 13:25:46 +0100 | [diff] [blame] | 527 | s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); |
Gerd Hoffmann | 062651c | 2010-11-26 13:13:22 +0100 | [diff] [blame] | 528 | for (i = 0; i < NUM_PORTS; i++) { |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 529 | port = &s->ports[i]; |
Gerd Hoffmann | a5d2f72 | 2009-08-31 14:24:00 +0200 | [diff] [blame] | 530 | usb_register_port(usb_bus_from_device(dev), |
Gerd Hoffmann | ace1318 | 2011-01-12 11:34:50 +0100 | [diff] [blame] | 531 | &port->port, s, i, &usb_hub_port_ops, |
Gerd Hoffmann | 843d4e0 | 2010-12-03 17:30:13 +0100 | [diff] [blame] | 532 | USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); |
Gerd Hoffmann | 891fb2c | 2011-09-01 13:56:37 +0200 | [diff] [blame] | 533 | usb_port_location(&port->port, dev->port, i+1); |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 534 | } |
Gerd Hoffmann | 20d183b | 2011-11-23 13:31:08 +0100 | [diff] [blame] | 535 | usb_hub_handle_reset(dev); |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 536 | return 0; |
bellard | 72899af | 2006-04-24 21:18:20 +0000 | [diff] [blame] | 537 | } |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 538 | |
Gerd Hoffmann | d155009 | 2010-12-15 12:45:24 +0100 | [diff] [blame] | 539 | static const VMStateDescription vmstate_usb_hub_port = { |
| 540 | .name = "usb-hub-port", |
| 541 | .version_id = 1, |
| 542 | .minimum_version_id = 1, |
| 543 | .fields = (VMStateField []) { |
| 544 | VMSTATE_UINT16(wPortStatus, USBHubPort), |
| 545 | VMSTATE_UINT16(wPortChange, USBHubPort), |
| 546 | VMSTATE_END_OF_LIST() |
| 547 | } |
| 548 | }; |
| 549 | |
| 550 | static const VMStateDescription vmstate_usb_hub = { |
| 551 | .name = "usb-hub", |
| 552 | .version_id = 1, |
| 553 | .minimum_version_id = 1, |
| 554 | .fields = (VMStateField []) { |
| 555 | VMSTATE_USB_DEVICE(dev, USBHubState), |
| 556 | VMSTATE_STRUCT_ARRAY(ports, USBHubState, NUM_PORTS, 0, |
| 557 | vmstate_usb_hub_port, USBHubPort), |
| 558 | VMSTATE_END_OF_LIST() |
| 559 | } |
| 560 | }; |
| 561 | |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 562 | static void usb_hub_class_initfn(ObjectClass *klass, void *data) |
Anthony Liguori | 62aed76 | 2011-12-15 14:53:10 -0600 | [diff] [blame] | 563 | { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 564 | DeviceClass *dc = DEVICE_CLASS(klass); |
Anthony Liguori | 62aed76 | 2011-12-15 14:53:10 -0600 | [diff] [blame] | 565 | USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
| 566 | |
| 567 | uc->init = usb_hub_initfn; |
| 568 | uc->product_desc = "QEMU USB Hub"; |
| 569 | uc->usb_desc = &desc_hub; |
Gerd Hoffmann | 06c7508 | 2012-01-10 17:08:13 +0100 | [diff] [blame] | 570 | uc->find_device = usb_hub_find_device; |
Anthony Liguori | 62aed76 | 2011-12-15 14:53:10 -0600 | [diff] [blame] | 571 | uc->handle_reset = usb_hub_handle_reset; |
| 572 | uc->handle_control = usb_hub_handle_control; |
| 573 | uc->handle_data = usb_hub_handle_data; |
| 574 | uc->handle_destroy = usb_hub_handle_destroy; |
Marcel Apfelbaum | 125ee0e | 2013-07-29 17:17:45 +0300 | [diff] [blame] | 575 | set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 576 | dc->fw_name = "hub"; |
| 577 | dc->vmsd = &vmstate_usb_hub; |
Anthony Liguori | 62aed76 | 2011-12-15 14:53:10 -0600 | [diff] [blame] | 578 | } |
| 579 | |
Andreas Färber | 8c43a6f | 2013-01-10 16:19:07 +0100 | [diff] [blame] | 580 | static const TypeInfo hub_info = { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 581 | .name = "usb-hub", |
| 582 | .parent = TYPE_USB_DEVICE, |
| 583 | .instance_size = sizeof(USBHubState), |
| 584 | .class_init = usb_hub_class_initfn, |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 585 | }; |
| 586 | |
Andreas Färber | 83f7d43 | 2012-02-09 15:20:55 +0100 | [diff] [blame] | 587 | static void usb_hub_register_types(void) |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 588 | { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 589 | type_register_static(&hub_info); |
Gerd Hoffmann | 806b602 | 2009-08-31 14:23:59 +0200 | [diff] [blame] | 590 | } |
Andreas Färber | 83f7d43 | 2012-02-09 15:20:55 +0100 | [diff] [blame] | 591 | |
| 592 | type_init(usb_hub_register_types) |