root / hw / usb-hub.c @ 079d0b7f
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1 | 72899afc | bellard | /*
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2 | 72899afc | bellard | * QEMU USB HUB emulation
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3 | 72899afc | bellard | *
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4 | 72899afc | bellard | * Copyright (c) 2005 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | 72899afc | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 72899afc | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 72899afc | bellard | * in the Software without restriction, including without limitation the rights
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9 | 72899afc | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 72899afc | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 72899afc | bellard | * furnished to do so, subject to the following conditions:
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12 | 72899afc | bellard | *
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13 | 72899afc | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 72899afc | bellard | * all copies or substantial portions of the Software.
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15 | 72899afc | bellard | *
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16 | 72899afc | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 72899afc | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 72899afc | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 72899afc | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 72899afc | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 72899afc | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 72899afc | bellard | * THE SOFTWARE.
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23 | 72899afc | bellard | */
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24 | 87ecb68b | pbrook | #include "qemu-common.h" |
25 | 87ecb68b | pbrook | #include "usb.h" |
26 | 062651c7 | Gerd Hoffmann | #include "usb-desc.h" |
27 | 72899afc | bellard | |
28 | 72899afc | bellard | //#define DEBUG
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29 | 72899afc | bellard | |
30 | 062651c7 | Gerd Hoffmann | #define NUM_PORTS 8 |
31 | 72899afc | bellard | |
32 | 72899afc | bellard | typedef struct USBHubPort { |
33 | 72899afc | bellard | USBPort port; |
34 | 72899afc | bellard | uint16_t wPortStatus; |
35 | 72899afc | bellard | uint16_t wPortChange; |
36 | 72899afc | bellard | } USBHubPort; |
37 | 72899afc | bellard | |
38 | 72899afc | bellard | typedef struct USBHubState { |
39 | 72899afc | bellard | USBDevice dev; |
40 | 062651c7 | Gerd Hoffmann | USBHubPort ports[NUM_PORTS]; |
41 | 72899afc | bellard | } USBHubState; |
42 | 72899afc | bellard | |
43 | 72899afc | bellard | #define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE) |
44 | 72899afc | bellard | #define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE) |
45 | 72899afc | bellard | #define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR) |
46 | 72899afc | bellard | #define GetHubStatus (0xa000 | USB_REQ_GET_STATUS) |
47 | 72899afc | bellard | #define GetPortStatus (0xa300 | USB_REQ_GET_STATUS) |
48 | 72899afc | bellard | #define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE) |
49 | 72899afc | bellard | #define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE) |
50 | 72899afc | bellard | |
51 | 72899afc | bellard | #define PORT_STAT_CONNECTION 0x0001 |
52 | 72899afc | bellard | #define PORT_STAT_ENABLE 0x0002 |
53 | 72899afc | bellard | #define PORT_STAT_SUSPEND 0x0004 |
54 | 72899afc | bellard | #define PORT_STAT_OVERCURRENT 0x0008 |
55 | 72899afc | bellard | #define PORT_STAT_RESET 0x0010 |
56 | 72899afc | bellard | #define PORT_STAT_POWER 0x0100 |
57 | 72899afc | bellard | #define PORT_STAT_LOW_SPEED 0x0200 |
58 | 72899afc | bellard | #define PORT_STAT_HIGH_SPEED 0x0400 |
59 | 72899afc | bellard | #define PORT_STAT_TEST 0x0800 |
60 | 72899afc | bellard | #define PORT_STAT_INDICATOR 0x1000 |
61 | 72899afc | bellard | |
62 | 72899afc | bellard | #define PORT_STAT_C_CONNECTION 0x0001 |
63 | 72899afc | bellard | #define PORT_STAT_C_ENABLE 0x0002 |
64 | 72899afc | bellard | #define PORT_STAT_C_SUSPEND 0x0004 |
65 | 72899afc | bellard | #define PORT_STAT_C_OVERCURRENT 0x0008 |
66 | 72899afc | bellard | #define PORT_STAT_C_RESET 0x0010 |
67 | 72899afc | bellard | |
68 | 72899afc | bellard | #define PORT_CONNECTION 0 |
69 | 72899afc | bellard | #define PORT_ENABLE 1 |
70 | 72899afc | bellard | #define PORT_SUSPEND 2 |
71 | 72899afc | bellard | #define PORT_OVERCURRENT 3 |
72 | 72899afc | bellard | #define PORT_RESET 4 |
73 | 72899afc | bellard | #define PORT_POWER 8 |
74 | 72899afc | bellard | #define PORT_LOWSPEED 9 |
75 | 72899afc | bellard | #define PORT_HIGHSPEED 10 |
76 | 72899afc | bellard | #define PORT_C_CONNECTION 16 |
77 | 72899afc | bellard | #define PORT_C_ENABLE 17 |
78 | 72899afc | bellard | #define PORT_C_SUSPEND 18 |
79 | 72899afc | bellard | #define PORT_C_OVERCURRENT 19 |
80 | 72899afc | bellard | #define PORT_C_RESET 20 |
81 | 72899afc | bellard | #define PORT_TEST 21 |
82 | 72899afc | bellard | #define PORT_INDICATOR 22 |
83 | 72899afc | bellard | |
84 | 72899afc | bellard | /* same as Linux kernel root hubs */
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85 | 72899afc | bellard | |
86 | 062651c7 | Gerd Hoffmann | enum {
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87 | 062651c7 | Gerd Hoffmann | STR_MANUFACTURER = 1,
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88 | 062651c7 | Gerd Hoffmann | STR_PRODUCT, |
89 | 062651c7 | Gerd Hoffmann | STR_SERIALNUMBER, |
90 | 062651c7 | Gerd Hoffmann | }; |
91 | 062651c7 | Gerd Hoffmann | |
92 | 062651c7 | Gerd Hoffmann | static const USBDescStrings desc_strings = { |
93 | 062651c7 | Gerd Hoffmann | [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
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94 | 062651c7 | Gerd Hoffmann | [STR_PRODUCT] = "QEMU USB Hub",
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95 | 062651c7 | Gerd Hoffmann | [STR_SERIALNUMBER] = "314159",
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96 | 062651c7 | Gerd Hoffmann | }; |
97 | 062651c7 | Gerd Hoffmann | |
98 | 062651c7 | Gerd Hoffmann | static const USBDescIface desc_iface_hub = { |
99 | 062651c7 | Gerd Hoffmann | .bInterfaceNumber = 0,
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100 | 062651c7 | Gerd Hoffmann | .bNumEndpoints = 1,
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101 | 062651c7 | Gerd Hoffmann | .bInterfaceClass = USB_CLASS_HUB, |
102 | 062651c7 | Gerd Hoffmann | .eps = (USBDescEndpoint[]) { |
103 | 062651c7 | Gerd Hoffmann | { |
104 | 062651c7 | Gerd Hoffmann | .bEndpointAddress = USB_DIR_IN | 0x01,
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105 | 062651c7 | Gerd Hoffmann | .bmAttributes = USB_ENDPOINT_XFER_INT, |
106 | 062651c7 | Gerd Hoffmann | .wMaxPacketSize = 1 + (NUM_PORTS + 7) / 8, |
107 | 062651c7 | Gerd Hoffmann | .bInterval = 0xff,
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108 | 062651c7 | Gerd Hoffmann | }, |
109 | 062651c7 | Gerd Hoffmann | } |
110 | 062651c7 | Gerd Hoffmann | }; |
111 | 062651c7 | Gerd Hoffmann | |
112 | 062651c7 | Gerd Hoffmann | static const USBDescDevice desc_device_hub = { |
113 | 062651c7 | Gerd Hoffmann | .bcdUSB = 0x0110,
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114 | 062651c7 | Gerd Hoffmann | .bDeviceClass = USB_CLASS_HUB, |
115 | 062651c7 | Gerd Hoffmann | .bMaxPacketSize0 = 8,
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116 | 062651c7 | Gerd Hoffmann | .bNumConfigurations = 1,
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117 | 062651c7 | Gerd Hoffmann | .confs = (USBDescConfig[]) { |
118 | 062651c7 | Gerd Hoffmann | { |
119 | 062651c7 | Gerd Hoffmann | .bNumInterfaces = 1,
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120 | 062651c7 | Gerd Hoffmann | .bConfigurationValue = 1,
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121 | 062651c7 | Gerd Hoffmann | .bmAttributes = 0xe0,
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122 | add75088 | Brad Hards | .nif = 1,
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123 | 062651c7 | Gerd Hoffmann | .ifs = &desc_iface_hub, |
124 | 062651c7 | Gerd Hoffmann | }, |
125 | 062651c7 | Gerd Hoffmann | }, |
126 | 062651c7 | Gerd Hoffmann | }; |
127 | 062651c7 | Gerd Hoffmann | |
128 | 062651c7 | Gerd Hoffmann | static const USBDesc desc_hub = { |
129 | 062651c7 | Gerd Hoffmann | .id = { |
130 | db80358a | Roy Tam | .idVendor = 0x0409,
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131 | db80358a | Roy Tam | .idProduct = 0x55aa,
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132 | 062651c7 | Gerd Hoffmann | .bcdDevice = 0x0101,
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133 | 062651c7 | Gerd Hoffmann | .iManufacturer = STR_MANUFACTURER, |
134 | 062651c7 | Gerd Hoffmann | .iProduct = STR_PRODUCT, |
135 | 062651c7 | Gerd Hoffmann | .iSerialNumber = STR_SERIALNUMBER, |
136 | 062651c7 | Gerd Hoffmann | }, |
137 | 062651c7 | Gerd Hoffmann | .full = &desc_device_hub, |
138 | 062651c7 | Gerd Hoffmann | .str = desc_strings, |
139 | 062651c7 | Gerd Hoffmann | }; |
140 | 062651c7 | Gerd Hoffmann | |
141 | 72899afc | bellard | static const uint8_t qemu_hub_hub_descriptor[] = |
142 | 72899afc | bellard | { |
143 | 67f36560 | bellard | 0x00, /* u8 bLength; patched in later */ |
144 | 72899afc | bellard | 0x29, /* u8 bDescriptorType; Hub-descriptor */ |
145 | 72899afc | bellard | 0x00, /* u8 bNbrPorts; (patched later) */ |
146 | 72899afc | bellard | 0x0a, /* u16 wHubCharacteristics; */ |
147 | 72899afc | bellard | 0x00, /* (per-port OC, no power switching) */ |
148 | 72899afc | bellard | 0x01, /* u8 bPwrOn2pwrGood; 2ms */ |
149 | 985d1742 | bellard | 0x00 /* u8 bHubContrCurrent; 0 mA */ |
150 | 985d1742 | bellard | |
151 | 985d1742 | bellard | /* DeviceRemovable and PortPwrCtrlMask patched in later */
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152 | 72899afc | bellard | }; |
153 | 72899afc | bellard | |
154 | 618c169b | Gerd Hoffmann | static void usb_hub_attach(USBPort *port1) |
155 | 72899afc | bellard | { |
156 | 72899afc | bellard | USBHubState *s = port1->opaque; |
157 | 72899afc | bellard | USBHubPort *port = &s->ports[port1->index]; |
158 | 3b46e624 | ths | |
159 | 618c169b | Gerd Hoffmann | port->wPortStatus |= PORT_STAT_CONNECTION; |
160 | 618c169b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_CONNECTION; |
161 | 618c169b | Gerd Hoffmann | if (port->port.dev->speed == USB_SPEED_LOW) {
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162 | 618c169b | Gerd Hoffmann | port->wPortStatus |= PORT_STAT_LOW_SPEED; |
163 | 72899afc | bellard | } else {
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164 | 618c169b | Gerd Hoffmann | port->wPortStatus &= ~PORT_STAT_LOW_SPEED; |
165 | 618c169b | Gerd Hoffmann | } |
166 | 4a33a9ea | Gerd Hoffmann | usb_wakeup(&s->dev); |
167 | 618c169b | Gerd Hoffmann | } |
168 | 618c169b | Gerd Hoffmann | |
169 | 618c169b | Gerd Hoffmann | static void usb_hub_detach(USBPort *port1) |
170 | 618c169b | Gerd Hoffmann | { |
171 | 618c169b | Gerd Hoffmann | USBHubState *s = port1->opaque; |
172 | 618c169b | Gerd Hoffmann | USBHubPort *port = &s->ports[port1->index]; |
173 | 618c169b | Gerd Hoffmann | |
174 | be35cbbc | Gerd Hoffmann | usb_wakeup(&s->dev); |
175 | be35cbbc | Gerd Hoffmann | |
176 | 4706ab6c | Hans de Goede | /* Let upstream know the device on this port is gone */
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177 | 4706ab6c | Hans de Goede | s->dev.port->ops->child_detach(s->dev.port, port1->dev); |
178 | 4706ab6c | Hans de Goede | |
179 | 618c169b | Gerd Hoffmann | port->wPortStatus &= ~PORT_STAT_CONNECTION; |
180 | 618c169b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_CONNECTION; |
181 | 618c169b | Gerd Hoffmann | if (port->wPortStatus & PORT_STAT_ENABLE) {
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182 | 618c169b | Gerd Hoffmann | port->wPortStatus &= ~PORT_STAT_ENABLE; |
183 | 618c169b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_ENABLE; |
184 | 72899afc | bellard | } |
185 | 72899afc | bellard | } |
186 | 72899afc | bellard | |
187 | 4706ab6c | Hans de Goede | static void usb_hub_child_detach(USBPort *port1, USBDevice *child) |
188 | 4706ab6c | Hans de Goede | { |
189 | 4706ab6c | Hans de Goede | USBHubState *s = port1->opaque; |
190 | 4706ab6c | Hans de Goede | |
191 | 4706ab6c | Hans de Goede | /* Pass along upstream */
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192 | 4706ab6c | Hans de Goede | s->dev.port->ops->child_detach(s->dev.port, child); |
193 | 4706ab6c | Hans de Goede | } |
194 | 4706ab6c | Hans de Goede | |
195 | d47e59b8 | Hans de Goede | static void usb_hub_wakeup(USBPort *port1) |
196 | 34239c7b | Gerd Hoffmann | { |
197 | d47e59b8 | Hans de Goede | USBHubState *s = port1->opaque; |
198 | d47e59b8 | Hans de Goede | USBHubPort *port = &s->ports[port1->index]; |
199 | 34239c7b | Gerd Hoffmann | |
200 | 34239c7b | Gerd Hoffmann | if (port->wPortStatus & PORT_STAT_SUSPEND) {
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201 | 34239c7b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_SUSPEND; |
202 | 34239c7b | Gerd Hoffmann | usb_wakeup(&s->dev); |
203 | 34239c7b | Gerd Hoffmann | } |
204 | 34239c7b | Gerd Hoffmann | } |
205 | 34239c7b | Gerd Hoffmann | |
206 | d47e59b8 | Hans de Goede | static void usb_hub_complete(USBPort *port, USBPacket *packet) |
207 | 13a9a0d3 | Gerd Hoffmann | { |
208 | d47e59b8 | Hans de Goede | USBHubState *s = port->opaque; |
209 | 13a9a0d3 | Gerd Hoffmann | |
210 | 13a9a0d3 | Gerd Hoffmann | /*
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211 | 13a9a0d3 | Gerd Hoffmann | * Just pass it along upstream for now.
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212 | 13a9a0d3 | Gerd Hoffmann | *
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213 | 80cf7cf7 | Gerd Hoffmann | * If we ever implement usb 2.0 split transactions this will
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214 | 13a9a0d3 | Gerd Hoffmann | * become a little more complicated ...
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215 | 80cf7cf7 | Gerd Hoffmann | *
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216 | 80cf7cf7 | Gerd Hoffmann | * Can't use usb_packet_complete() here because packet->owner is
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217 | 80cf7cf7 | Gerd Hoffmann | * cleared already, go call the ->complete() callback directly
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218 | 80cf7cf7 | Gerd Hoffmann | * instead.
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219 | 13a9a0d3 | Gerd Hoffmann | */
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220 | 80cf7cf7 | Gerd Hoffmann | s->dev.port->ops->complete(s->dev.port, packet); |
221 | 13a9a0d3 | Gerd Hoffmann | } |
222 | 13a9a0d3 | Gerd Hoffmann | |
223 | 06c75088 | Gerd Hoffmann | static USBDevice *usb_hub_find_device(USBDevice *dev, uint8_t addr)
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224 | 06c75088 | Gerd Hoffmann | { |
225 | 06c75088 | Gerd Hoffmann | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
226 | 06c75088 | Gerd Hoffmann | USBHubPort *port; |
227 | 06c75088 | Gerd Hoffmann | USBDevice *downstream; |
228 | 06c75088 | Gerd Hoffmann | int i;
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229 | 06c75088 | Gerd Hoffmann | |
230 | 06c75088 | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
231 | 06c75088 | Gerd Hoffmann | port = &s->ports[i]; |
232 | 06c75088 | Gerd Hoffmann | if (!(port->wPortStatus & PORT_STAT_ENABLE)) {
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233 | 06c75088 | Gerd Hoffmann | continue;
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234 | 06c75088 | Gerd Hoffmann | } |
235 | 06c75088 | Gerd Hoffmann | downstream = usb_find_device(&port->port, addr); |
236 | 06c75088 | Gerd Hoffmann | if (downstream != NULL) { |
237 | 06c75088 | Gerd Hoffmann | return downstream;
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238 | 06c75088 | Gerd Hoffmann | } |
239 | 06c75088 | Gerd Hoffmann | } |
240 | 06c75088 | Gerd Hoffmann | return NULL; |
241 | 06c75088 | Gerd Hoffmann | } |
242 | 06c75088 | Gerd Hoffmann | |
243 | 059809e4 | bellard | static void usb_hub_handle_reset(USBDevice *dev) |
244 | 72899afc | bellard | { |
245 | 20d183b6 | Gerd Hoffmann | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
246 | 20d183b6 | Gerd Hoffmann | USBHubPort *port; |
247 | 20d183b6 | Gerd Hoffmann | int i;
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248 | 20d183b6 | Gerd Hoffmann | |
249 | 20d183b6 | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
250 | 20d183b6 | Gerd Hoffmann | port = s->ports + i; |
251 | 20d183b6 | Gerd Hoffmann | port->wPortStatus = PORT_STAT_POWER; |
252 | 20d183b6 | Gerd Hoffmann | port->wPortChange = 0;
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253 | 20d183b6 | Gerd Hoffmann | if (port->port.dev && port->port.dev->attached) {
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254 | 20d183b6 | Gerd Hoffmann | port->wPortStatus |= PORT_STAT_CONNECTION; |
255 | 20d183b6 | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_CONNECTION; |
256 | 20d183b6 | Gerd Hoffmann | if (port->port.dev->speed == USB_SPEED_LOW) {
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257 | 20d183b6 | Gerd Hoffmann | port->wPortStatus |= PORT_STAT_LOW_SPEED; |
258 | 20d183b6 | Gerd Hoffmann | } |
259 | 20d183b6 | Gerd Hoffmann | } |
260 | 20d183b6 | Gerd Hoffmann | } |
261 | 72899afc | bellard | } |
262 | 72899afc | bellard | |
263 | 007fd62f | Hans de Goede | static int usb_hub_handle_control(USBDevice *dev, USBPacket *p, |
264 | 007fd62f | Hans de Goede | int request, int value, int index, int length, uint8_t *data) |
265 | 72899afc | bellard | { |
266 | 72899afc | bellard | USBHubState *s = (USBHubState *)dev; |
267 | 72899afc | bellard | int ret;
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268 | 72899afc | bellard | |
269 | 007fd62f | Hans de Goede | ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
270 | 062651c7 | Gerd Hoffmann | if (ret >= 0) { |
271 | 062651c7 | Gerd Hoffmann | return ret;
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272 | 062651c7 | Gerd Hoffmann | } |
273 | 062651c7 | Gerd Hoffmann | |
274 | 72899afc | bellard | switch(request) {
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275 | 985d1742 | bellard | case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
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276 | 985d1742 | bellard | if (value == 0 && index != 0x81) { /* clear ep halt */ |
277 | 985d1742 | bellard | goto fail;
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278 | 985d1742 | bellard | } |
279 | 985d1742 | bellard | ret = 0;
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280 | 985d1742 | bellard | break;
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281 | 72899afc | bellard | /* usb specific requests */
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282 | 72899afc | bellard | case GetHubStatus:
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283 | 72899afc | bellard | data[0] = 0; |
284 | 72899afc | bellard | data[1] = 0; |
285 | 72899afc | bellard | data[2] = 0; |
286 | 72899afc | bellard | data[3] = 0; |
287 | 72899afc | bellard | ret = 4;
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288 | 72899afc | bellard | break;
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289 | 72899afc | bellard | case GetPortStatus:
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290 | 72899afc | bellard | { |
291 | 72899afc | bellard | unsigned int n = index - 1; |
292 | 72899afc | bellard | USBHubPort *port; |
293 | 062651c7 | Gerd Hoffmann | if (n >= NUM_PORTS) {
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294 | 72899afc | bellard | goto fail;
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295 | 062651c7 | Gerd Hoffmann | } |
296 | 72899afc | bellard | port = &s->ports[n]; |
297 | 72899afc | bellard | data[0] = port->wPortStatus;
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298 | 72899afc | bellard | data[1] = port->wPortStatus >> 8; |
299 | 72899afc | bellard | data[2] = port->wPortChange;
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300 | 72899afc | bellard | data[3] = port->wPortChange >> 8; |
301 | 72899afc | bellard | ret = 4;
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302 | 72899afc | bellard | } |
303 | 72899afc | bellard | break;
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304 | 72899afc | bellard | case SetHubFeature:
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305 | 72899afc | bellard | case ClearHubFeature:
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306 | 72899afc | bellard | if (value == 0 || value == 1) { |
307 | 72899afc | bellard | } else {
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308 | 72899afc | bellard | goto fail;
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309 | 72899afc | bellard | } |
310 | 72899afc | bellard | ret = 0;
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311 | 72899afc | bellard | break;
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312 | 72899afc | bellard | case SetPortFeature:
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313 | 72899afc | bellard | { |
314 | 72899afc | bellard | unsigned int n = index - 1; |
315 | 72899afc | bellard | USBHubPort *port; |
316 | 72899afc | bellard | USBDevice *dev; |
317 | 062651c7 | Gerd Hoffmann | if (n >= NUM_PORTS) {
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318 | 72899afc | bellard | goto fail;
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319 | 062651c7 | Gerd Hoffmann | } |
320 | 72899afc | bellard | port = &s->ports[n]; |
321 | 72899afc | bellard | dev = port->port.dev; |
322 | 72899afc | bellard | switch(value) {
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323 | 72899afc | bellard | case PORT_SUSPEND:
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324 | 72899afc | bellard | port->wPortStatus |= PORT_STAT_SUSPEND; |
325 | 72899afc | bellard | break;
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326 | 72899afc | bellard | case PORT_RESET:
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327 | 3393bc10 | Gerd Hoffmann | if (dev && dev->attached) {
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328 | d28f4e2d | Gerd Hoffmann | usb_device_reset(dev); |
329 | 72899afc | bellard | port->wPortChange |= PORT_STAT_C_RESET; |
330 | 72899afc | bellard | /* set enable bit */
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331 | 72899afc | bellard | port->wPortStatus |= PORT_STAT_ENABLE; |
332 | 72899afc | bellard | } |
333 | 72899afc | bellard | break;
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334 | 72899afc | bellard | case PORT_POWER:
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335 | 72899afc | bellard | break;
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336 | 72899afc | bellard | default:
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337 | 72899afc | bellard | goto fail;
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338 | 72899afc | bellard | } |
339 | 72899afc | bellard | ret = 0;
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340 | 72899afc | bellard | } |
341 | 72899afc | bellard | break;
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342 | 72899afc | bellard | case ClearPortFeature:
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343 | 72899afc | bellard | { |
344 | 72899afc | bellard | unsigned int n = index - 1; |
345 | 72899afc | bellard | USBHubPort *port; |
346 | d4c4e6fd | Blue Swirl | |
347 | 062651c7 | Gerd Hoffmann | if (n >= NUM_PORTS) {
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348 | 72899afc | bellard | goto fail;
|
349 | 062651c7 | Gerd Hoffmann | } |
350 | 72899afc | bellard | port = &s->ports[n]; |
351 | 72899afc | bellard | switch(value) {
|
352 | 72899afc | bellard | case PORT_ENABLE:
|
353 | 72899afc | bellard | port->wPortStatus &= ~PORT_STAT_ENABLE; |
354 | 72899afc | bellard | break;
|
355 | 72899afc | bellard | case PORT_C_ENABLE:
|
356 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_ENABLE; |
357 | 72899afc | bellard | break;
|
358 | 72899afc | bellard | case PORT_SUSPEND:
|
359 | 72899afc | bellard | port->wPortStatus &= ~PORT_STAT_SUSPEND; |
360 | 72899afc | bellard | break;
|
361 | 72899afc | bellard | case PORT_C_SUSPEND:
|
362 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_SUSPEND; |
363 | 72899afc | bellard | break;
|
364 | 72899afc | bellard | case PORT_C_CONNECTION:
|
365 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_CONNECTION; |
366 | 72899afc | bellard | break;
|
367 | 72899afc | bellard | case PORT_C_OVERCURRENT:
|
368 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_OVERCURRENT; |
369 | 72899afc | bellard | break;
|
370 | 72899afc | bellard | case PORT_C_RESET:
|
371 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_RESET; |
372 | 72899afc | bellard | break;
|
373 | 72899afc | bellard | default:
|
374 | 72899afc | bellard | goto fail;
|
375 | 72899afc | bellard | } |
376 | 72899afc | bellard | ret = 0;
|
377 | 72899afc | bellard | } |
378 | 72899afc | bellard | break;
|
379 | 72899afc | bellard | case GetHubDescriptor:
|
380 | 985d1742 | bellard | { |
381 | 985d1742 | bellard | unsigned int n, limit, var_hub_size = 0; |
382 | 5fafdf24 | ths | memcpy(data, qemu_hub_hub_descriptor, |
383 | 985d1742 | bellard | sizeof(qemu_hub_hub_descriptor));
|
384 | 062651c7 | Gerd Hoffmann | data[2] = NUM_PORTS;
|
385 | 985d1742 | bellard | |
386 | 985d1742 | bellard | /* fill DeviceRemovable bits */
|
387 | 062651c7 | Gerd Hoffmann | limit = ((NUM_PORTS + 1 + 7) / 8) + 7; |
388 | 985d1742 | bellard | for (n = 7; n < limit; n++) { |
389 | 985d1742 | bellard | data[n] = 0x00;
|
390 | 985d1742 | bellard | var_hub_size++; |
391 | 985d1742 | bellard | } |
392 | 985d1742 | bellard | |
393 | 985d1742 | bellard | /* fill PortPwrCtrlMask bits */
|
394 | 062651c7 | Gerd Hoffmann | limit = limit + ((NUM_PORTS + 7) / 8); |
395 | 985d1742 | bellard | for (;n < limit; n++) {
|
396 | 985d1742 | bellard | data[n] = 0xff;
|
397 | 985d1742 | bellard | var_hub_size++; |
398 | 985d1742 | bellard | } |
399 | 985d1742 | bellard | |
400 | 985d1742 | bellard | ret = sizeof(qemu_hub_hub_descriptor) + var_hub_size;
|
401 | 67f36560 | bellard | data[0] = ret;
|
402 | 985d1742 | bellard | break;
|
403 | 985d1742 | bellard | } |
404 | 72899afc | bellard | default:
|
405 | 72899afc | bellard | fail:
|
406 | 72899afc | bellard | ret = USB_RET_STALL; |
407 | 72899afc | bellard | break;
|
408 | 72899afc | bellard | } |
409 | 72899afc | bellard | return ret;
|
410 | 72899afc | bellard | } |
411 | 72899afc | bellard | |
412 | 4d611c9a | pbrook | static int usb_hub_handle_data(USBDevice *dev, USBPacket *p) |
413 | 72899afc | bellard | { |
414 | 72899afc | bellard | USBHubState *s = (USBHubState *)dev; |
415 | 72899afc | bellard | int ret;
|
416 | 72899afc | bellard | |
417 | 4d611c9a | pbrook | switch(p->pid) {
|
418 | 72899afc | bellard | case USB_TOKEN_IN:
|
419 | 079d0b7f | Gerd Hoffmann | if (p->ep->nr == 1) { |
420 | 72899afc | bellard | USBHubPort *port; |
421 | 72899afc | bellard | unsigned int status; |
422 | 4f4321c1 | Gerd Hoffmann | uint8_t buf[4];
|
423 | 72899afc | bellard | int i, n;
|
424 | 062651c7 | Gerd Hoffmann | n = (NUM_PORTS + 1 + 7) / 8; |
425 | 4f4321c1 | Gerd Hoffmann | if (p->iov.size == 1) { /* FreeBSD workaround */ |
426 | 985d1742 | bellard | n = 1;
|
427 | 4f4321c1 | Gerd Hoffmann | } else if (n > p->iov.size) { |
428 | 72899afc | bellard | return USB_RET_BABBLE;
|
429 | 985d1742 | bellard | } |
430 | 72899afc | bellard | status = 0;
|
431 | 062651c7 | Gerd Hoffmann | for(i = 0; i < NUM_PORTS; i++) { |
432 | 72899afc | bellard | port = &s->ports[i]; |
433 | 72899afc | bellard | if (port->wPortChange)
|
434 | 72899afc | bellard | status |= (1 << (i + 1)); |
435 | 72899afc | bellard | } |
436 | 72899afc | bellard | if (status != 0) { |
437 | 72899afc | bellard | for(i = 0; i < n; i++) { |
438 | 4f4321c1 | Gerd Hoffmann | buf[i] = status >> (8 * i);
|
439 | 72899afc | bellard | } |
440 | 4f4321c1 | Gerd Hoffmann | usb_packet_copy(p, buf, n); |
441 | 72899afc | bellard | ret = n; |
442 | 72899afc | bellard | } else {
|
443 | 985d1742 | bellard | ret = USB_RET_NAK; /* usb11 11.13.1 */
|
444 | 72899afc | bellard | } |
445 | 72899afc | bellard | } else {
|
446 | 72899afc | bellard | goto fail;
|
447 | 72899afc | bellard | } |
448 | 72899afc | bellard | break;
|
449 | 72899afc | bellard | case USB_TOKEN_OUT:
|
450 | 72899afc | bellard | default:
|
451 | 72899afc | bellard | fail:
|
452 | 72899afc | bellard | ret = USB_RET_STALL; |
453 | 72899afc | bellard | break;
|
454 | 72899afc | bellard | } |
455 | 72899afc | bellard | return ret;
|
456 | 72899afc | bellard | } |
457 | 72899afc | bellard | |
458 | 059809e4 | bellard | static void usb_hub_handle_destroy(USBDevice *dev) |
459 | 059809e4 | bellard | { |
460 | 059809e4 | bellard | USBHubState *s = (USBHubState *)dev; |
461 | a8e662b5 | Gerd Hoffmann | int i;
|
462 | 059809e4 | bellard | |
463 | 062651c7 | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
464 | a8e662b5 | Gerd Hoffmann | usb_unregister_port(usb_bus_from_device(dev), |
465 | a8e662b5 | Gerd Hoffmann | &s->ports[i].port); |
466 | a8e662b5 | Gerd Hoffmann | } |
467 | 059809e4 | bellard | } |
468 | 059809e4 | bellard | |
469 | 0d86d2be | Gerd Hoffmann | static USBPortOps usb_hub_port_ops = {
|
470 | 0d86d2be | Gerd Hoffmann | .attach = usb_hub_attach, |
471 | 618c169b | Gerd Hoffmann | .detach = usb_hub_detach, |
472 | 4706ab6c | Hans de Goede | .child_detach = usb_hub_child_detach, |
473 | 34239c7b | Gerd Hoffmann | .wakeup = usb_hub_wakeup, |
474 | 13a9a0d3 | Gerd Hoffmann | .complete = usb_hub_complete, |
475 | 0d86d2be | Gerd Hoffmann | }; |
476 | 0d86d2be | Gerd Hoffmann | |
477 | 806b6024 | Gerd Hoffmann | static int usb_hub_initfn(USBDevice *dev) |
478 | 72899afc | bellard | { |
479 | 806b6024 | Gerd Hoffmann | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
480 | 72899afc | bellard | USBHubPort *port; |
481 | 72899afc | bellard | int i;
|
482 | 72899afc | bellard | |
483 | a980a065 | Gerd Hoffmann | usb_desc_init(dev); |
484 | 062651c7 | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
485 | 72899afc | bellard | port = &s->ports[i]; |
486 | a5d2f727 | Gerd Hoffmann | usb_register_port(usb_bus_from_device(dev), |
487 | ace1318b | Gerd Hoffmann | &port->port, s, i, &usb_hub_port_ops, |
488 | 843d4e0c | Gerd Hoffmann | USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); |
489 | 891fb2cd | Gerd Hoffmann | usb_port_location(&port->port, dev->port, i+1);
|
490 | 72899afc | bellard | } |
491 | 20d183b6 | Gerd Hoffmann | usb_hub_handle_reset(dev); |
492 | 806b6024 | Gerd Hoffmann | return 0; |
493 | 806b6024 | Gerd Hoffmann | } |
494 | 806b6024 | Gerd Hoffmann | |
495 | d1550090 | Gerd Hoffmann | static const VMStateDescription vmstate_usb_hub_port = { |
496 | d1550090 | Gerd Hoffmann | .name = "usb-hub-port",
|
497 | d1550090 | Gerd Hoffmann | .version_id = 1,
|
498 | d1550090 | Gerd Hoffmann | .minimum_version_id = 1,
|
499 | d1550090 | Gerd Hoffmann | .fields = (VMStateField []) { |
500 | d1550090 | Gerd Hoffmann | VMSTATE_UINT16(wPortStatus, USBHubPort), |
501 | d1550090 | Gerd Hoffmann | VMSTATE_UINT16(wPortChange, USBHubPort), |
502 | d1550090 | Gerd Hoffmann | VMSTATE_END_OF_LIST() |
503 | d1550090 | Gerd Hoffmann | } |
504 | d1550090 | Gerd Hoffmann | }; |
505 | d1550090 | Gerd Hoffmann | |
506 | d1550090 | Gerd Hoffmann | static const VMStateDescription vmstate_usb_hub = { |
507 | d1550090 | Gerd Hoffmann | .name = "usb-hub",
|
508 | d1550090 | Gerd Hoffmann | .version_id = 1,
|
509 | d1550090 | Gerd Hoffmann | .minimum_version_id = 1,
|
510 | d1550090 | Gerd Hoffmann | .fields = (VMStateField []) { |
511 | d1550090 | Gerd Hoffmann | VMSTATE_USB_DEVICE(dev, USBHubState), |
512 | d1550090 | Gerd Hoffmann | VMSTATE_STRUCT_ARRAY(ports, USBHubState, NUM_PORTS, 0,
|
513 | d1550090 | Gerd Hoffmann | vmstate_usb_hub_port, USBHubPort), |
514 | d1550090 | Gerd Hoffmann | VMSTATE_END_OF_LIST() |
515 | d1550090 | Gerd Hoffmann | } |
516 | d1550090 | Gerd Hoffmann | }; |
517 | d1550090 | Gerd Hoffmann | |
518 | 39bffca2 | Anthony Liguori | static void usb_hub_class_initfn(ObjectClass *klass, void *data) |
519 | 62aed765 | Anthony Liguori | { |
520 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
521 | 62aed765 | Anthony Liguori | USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
522 | 62aed765 | Anthony Liguori | |
523 | 62aed765 | Anthony Liguori | uc->init = usb_hub_initfn; |
524 | 62aed765 | Anthony Liguori | uc->product_desc = "QEMU USB Hub";
|
525 | 62aed765 | Anthony Liguori | uc->usb_desc = &desc_hub; |
526 | 06c75088 | Gerd Hoffmann | uc->find_device = usb_hub_find_device; |
527 | 62aed765 | Anthony Liguori | uc->handle_reset = usb_hub_handle_reset; |
528 | 62aed765 | Anthony Liguori | uc->handle_control = usb_hub_handle_control; |
529 | 62aed765 | Anthony Liguori | uc->handle_data = usb_hub_handle_data; |
530 | 62aed765 | Anthony Liguori | uc->handle_destroy = usb_hub_handle_destroy; |
531 | 39bffca2 | Anthony Liguori | dc->fw_name = "hub";
|
532 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_usb_hub; |
533 | 62aed765 | Anthony Liguori | } |
534 | 62aed765 | Anthony Liguori | |
535 | 39bffca2 | Anthony Liguori | static TypeInfo hub_info = {
|
536 | 39bffca2 | Anthony Liguori | .name = "usb-hub",
|
537 | 39bffca2 | Anthony Liguori | .parent = TYPE_USB_DEVICE, |
538 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(USBHubState),
|
539 | 39bffca2 | Anthony Liguori | .class_init = usb_hub_class_initfn, |
540 | 806b6024 | Gerd Hoffmann | }; |
541 | 806b6024 | Gerd Hoffmann | |
542 | 806b6024 | Gerd Hoffmann | static void usb_hub_register_devices(void) |
543 | 806b6024 | Gerd Hoffmann | { |
544 | 39bffca2 | Anthony Liguori | type_register_static(&hub_info); |
545 | 72899afc | bellard | } |
546 | 806b6024 | Gerd Hoffmann | device_init(usb_hub_register_devices) |