root / hw / usb-hub.c @ 2b8b3bb9
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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 | 062651c7 | Gerd Hoffmann | .ifs = &desc_iface_hub, |
123 | 062651c7 | Gerd Hoffmann | }, |
124 | 062651c7 | Gerd Hoffmann | }, |
125 | 062651c7 | Gerd Hoffmann | }; |
126 | 062651c7 | Gerd Hoffmann | |
127 | 062651c7 | Gerd Hoffmann | static const USBDesc desc_hub = { |
128 | 062651c7 | Gerd Hoffmann | .id = { |
129 | 062651c7 | Gerd Hoffmann | .idVendor = 0,
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130 | 062651c7 | Gerd Hoffmann | .idProduct = 0,
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131 | 062651c7 | Gerd Hoffmann | .bcdDevice = 0x0101,
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132 | 062651c7 | Gerd Hoffmann | .iManufacturer = STR_MANUFACTURER, |
133 | 062651c7 | Gerd Hoffmann | .iProduct = STR_PRODUCT, |
134 | 062651c7 | Gerd Hoffmann | .iSerialNumber = STR_SERIALNUMBER, |
135 | 062651c7 | Gerd Hoffmann | }, |
136 | 062651c7 | Gerd Hoffmann | .full = &desc_device_hub, |
137 | 062651c7 | Gerd Hoffmann | .str = desc_strings, |
138 | 062651c7 | Gerd Hoffmann | }; |
139 | 062651c7 | Gerd Hoffmann | |
140 | 72899afc | bellard | static const uint8_t qemu_hub_dev_descriptor[] = { |
141 | 72899afc | bellard | 0x12, /* u8 bLength; */ |
142 | 72899afc | bellard | 0x01, /* u8 bDescriptorType; Device */ |
143 | 72899afc | bellard | 0x10, 0x01, /* u16 bcdUSB; v1.1 */ |
144 | 72899afc | bellard | |
145 | 72899afc | bellard | 0x09, /* u8 bDeviceClass; HUB_CLASSCODE */ |
146 | 72899afc | bellard | 0x00, /* u8 bDeviceSubClass; */ |
147 | 72899afc | bellard | 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ |
148 | 72899afc | bellard | 0x08, /* u8 bMaxPacketSize0; 8 Bytes */ |
149 | 72899afc | bellard | |
150 | 72899afc | bellard | 0x00, 0x00, /* u16 idVendor; */ |
151 | 72899afc | bellard | 0x00, 0x00, /* u16 idProduct; */ |
152 | 72899afc | bellard | 0x01, 0x01, /* u16 bcdDevice */ |
153 | 72899afc | bellard | |
154 | 72899afc | bellard | 0x03, /* u8 iManufacturer; */ |
155 | 72899afc | bellard | 0x02, /* u8 iProduct; */ |
156 | 72899afc | bellard | 0x01, /* u8 iSerialNumber; */ |
157 | 72899afc | bellard | 0x01 /* u8 bNumConfigurations; */ |
158 | 72899afc | bellard | }; |
159 | 72899afc | bellard | |
160 | 72899afc | bellard | /* XXX: patch interrupt size */
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161 | 72899afc | bellard | static const uint8_t qemu_hub_config_descriptor[] = { |
162 | 72899afc | bellard | |
163 | 72899afc | bellard | /* one configuration */
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164 | 72899afc | bellard | 0x09, /* u8 bLength; */ |
165 | 72899afc | bellard | 0x02, /* u8 bDescriptorType; Configuration */ |
166 | 72899afc | bellard | 0x19, 0x00, /* u16 wTotalLength; */ |
167 | 72899afc | bellard | 0x01, /* u8 bNumInterfaces; (1) */ |
168 | 72899afc | bellard | 0x01, /* u8 bConfigurationValue; */ |
169 | 72899afc | bellard | 0x00, /* u8 iConfiguration; */ |
170 | 659139d7 | Riku Voipio | 0xe0, /* u8 bmAttributes; |
171 | 72899afc | bellard | Bit 7: must be set,
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172 | 72899afc | bellard | 6: Self-powered,
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173 | 72899afc | bellard | 5: Remote wakeup,
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174 | 72899afc | bellard | 4..0: resvd */
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175 | 72899afc | bellard | 0x00, /* u8 MaxPower; */ |
176 | 3b46e624 | ths | |
177 | 72899afc | bellard | /* USB 1.1:
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178 | 72899afc | bellard | * USB 2.0, single TT organization (mandatory):
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179 | 72899afc | bellard | * one interface, protocol 0
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180 | 72899afc | bellard | *
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181 | 72899afc | bellard | * USB 2.0, multiple TT organization (optional):
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182 | 72899afc | bellard | * two interfaces, protocols 1 (like single TT)
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183 | 72899afc | bellard | * and 2 (multiple TT mode) ... config is
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184 | 72899afc | bellard | * sometimes settable
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185 | 72899afc | bellard | * NOT IMPLEMENTED
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186 | 72899afc | bellard | */
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187 | 72899afc | bellard | |
188 | 72899afc | bellard | /* one interface */
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189 | 72899afc | bellard | 0x09, /* u8 if_bLength; */ |
190 | 72899afc | bellard | 0x04, /* u8 if_bDescriptorType; Interface */ |
191 | 72899afc | bellard | 0x00, /* u8 if_bInterfaceNumber; */ |
192 | 72899afc | bellard | 0x00, /* u8 if_bAlternateSetting; */ |
193 | 72899afc | bellard | 0x01, /* u8 if_bNumEndpoints; */ |
194 | 72899afc | bellard | 0x09, /* u8 if_bInterfaceClass; HUB_CLASSCODE */ |
195 | 72899afc | bellard | 0x00, /* u8 if_bInterfaceSubClass; */ |
196 | 72899afc | bellard | 0x00, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
197 | 72899afc | bellard | 0x00, /* u8 if_iInterface; */ |
198 | 3b46e624 | ths | |
199 | 72899afc | bellard | /* one endpoint (status change endpoint) */
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200 | 72899afc | bellard | 0x07, /* u8 ep_bLength; */ |
201 | 72899afc | bellard | 0x05, /* u8 ep_bDescriptorType; Endpoint */ |
202 | 72899afc | bellard | 0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
203 | 72899afc | bellard | 0x03, /* u8 ep_bmAttributes; Interrupt */ |
204 | 72899afc | bellard | 0x02, 0x00, /* u16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */ |
205 | 72899afc | bellard | 0xff /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
206 | 72899afc | bellard | }; |
207 | 72899afc | bellard | |
208 | 72899afc | bellard | static const uint8_t qemu_hub_hub_descriptor[] = |
209 | 72899afc | bellard | { |
210 | 67f36560 | bellard | 0x00, /* u8 bLength; patched in later */ |
211 | 72899afc | bellard | 0x29, /* u8 bDescriptorType; Hub-descriptor */ |
212 | 72899afc | bellard | 0x00, /* u8 bNbrPorts; (patched later) */ |
213 | 72899afc | bellard | 0x0a, /* u16 wHubCharacteristics; */ |
214 | 72899afc | bellard | 0x00, /* (per-port OC, no power switching) */ |
215 | 72899afc | bellard | 0x01, /* u8 bPwrOn2pwrGood; 2ms */ |
216 | 985d1742 | bellard | 0x00 /* u8 bHubContrCurrent; 0 mA */ |
217 | 985d1742 | bellard | |
218 | 985d1742 | bellard | /* DeviceRemovable and PortPwrCtrlMask patched in later */
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219 | 72899afc | bellard | }; |
220 | 72899afc | bellard | |
221 | 618c169b | Gerd Hoffmann | static void usb_hub_attach(USBPort *port1) |
222 | 72899afc | bellard | { |
223 | 72899afc | bellard | USBHubState *s = port1->opaque; |
224 | 72899afc | bellard | USBHubPort *port = &s->ports[port1->index]; |
225 | 3b46e624 | ths | |
226 | 618c169b | Gerd Hoffmann | port->wPortStatus |= PORT_STAT_CONNECTION; |
227 | 618c169b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_CONNECTION; |
228 | 618c169b | Gerd Hoffmann | if (port->port.dev->speed == USB_SPEED_LOW) {
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229 | 618c169b | Gerd Hoffmann | port->wPortStatus |= PORT_STAT_LOW_SPEED; |
230 | 72899afc | bellard | } else {
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231 | 618c169b | Gerd Hoffmann | port->wPortStatus &= ~PORT_STAT_LOW_SPEED; |
232 | 618c169b | Gerd Hoffmann | } |
233 | 618c169b | Gerd Hoffmann | } |
234 | 618c169b | Gerd Hoffmann | |
235 | 618c169b | Gerd Hoffmann | static void usb_hub_detach(USBPort *port1) |
236 | 618c169b | Gerd Hoffmann | { |
237 | 618c169b | Gerd Hoffmann | USBHubState *s = port1->opaque; |
238 | 618c169b | Gerd Hoffmann | USBHubPort *port = &s->ports[port1->index]; |
239 | 618c169b | Gerd Hoffmann | |
240 | 618c169b | Gerd Hoffmann | port->wPortStatus &= ~PORT_STAT_CONNECTION; |
241 | 618c169b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_CONNECTION; |
242 | 618c169b | Gerd Hoffmann | if (port->wPortStatus & PORT_STAT_ENABLE) {
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243 | 618c169b | Gerd Hoffmann | port->wPortStatus &= ~PORT_STAT_ENABLE; |
244 | 618c169b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_ENABLE; |
245 | 72899afc | bellard | } |
246 | 72899afc | bellard | } |
247 | 72899afc | bellard | |
248 | 34239c7b | Gerd Hoffmann | static void usb_hub_wakeup(USBDevice *dev) |
249 | 34239c7b | Gerd Hoffmann | { |
250 | 34239c7b | Gerd Hoffmann | USBHubState *s = dev->port->opaque; |
251 | 34239c7b | Gerd Hoffmann | USBHubPort *port = &s->ports[dev->port->index]; |
252 | 34239c7b | Gerd Hoffmann | |
253 | 34239c7b | Gerd Hoffmann | if (port->wPortStatus & PORT_STAT_SUSPEND) {
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254 | 34239c7b | Gerd Hoffmann | port->wPortChange |= PORT_STAT_C_SUSPEND; |
255 | 34239c7b | Gerd Hoffmann | usb_wakeup(&s->dev); |
256 | 34239c7b | Gerd Hoffmann | } |
257 | 34239c7b | Gerd Hoffmann | } |
258 | 34239c7b | Gerd Hoffmann | |
259 | 13a9a0d3 | Gerd Hoffmann | static void usb_hub_complete(USBDevice *dev, USBPacket *packet) |
260 | 13a9a0d3 | Gerd Hoffmann | { |
261 | 13a9a0d3 | Gerd Hoffmann | USBHubState *s = dev->port->opaque; |
262 | 13a9a0d3 | Gerd Hoffmann | |
263 | 13a9a0d3 | Gerd Hoffmann | /*
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264 | 13a9a0d3 | Gerd Hoffmann | * Just pass it along upstream for now.
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265 | 13a9a0d3 | Gerd Hoffmann | *
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266 | 13a9a0d3 | Gerd Hoffmann | * If we ever inplement usb 2.0 split transactions this will
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267 | 13a9a0d3 | Gerd Hoffmann | * become a little more complicated ...
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268 | 13a9a0d3 | Gerd Hoffmann | */
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269 | 13a9a0d3 | Gerd Hoffmann | usb_packet_complete(&s->dev, packet); |
270 | 13a9a0d3 | Gerd Hoffmann | } |
271 | 13a9a0d3 | Gerd Hoffmann | |
272 | c7a2196a | Gerd Hoffmann | static void usb_hub_handle_attach(USBDevice *dev) |
273 | c7a2196a | Gerd Hoffmann | { |
274 | c7a2196a | Gerd Hoffmann | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
275 | c7a2196a | Gerd Hoffmann | int i;
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276 | c7a2196a | Gerd Hoffmann | |
277 | c7a2196a | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
278 | c7a2196a | Gerd Hoffmann | usb_port_location(&s->ports[i].port, dev->port, i+1);
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279 | c7a2196a | Gerd Hoffmann | } |
280 | c7a2196a | Gerd Hoffmann | } |
281 | c7a2196a | Gerd Hoffmann | |
282 | 059809e4 | bellard | static void usb_hub_handle_reset(USBDevice *dev) |
283 | 72899afc | bellard | { |
284 | 72899afc | bellard | /* XXX: do it */
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285 | 72899afc | bellard | } |
286 | 72899afc | bellard | |
287 | 72899afc | bellard | static int usb_hub_handle_control(USBDevice *dev, int request, int value, |
288 | 72899afc | bellard | int index, int length, uint8_t *data) |
289 | 72899afc | bellard | { |
290 | 72899afc | bellard | USBHubState *s = (USBHubState *)dev; |
291 | 72899afc | bellard | int ret;
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292 | 72899afc | bellard | |
293 | 062651c7 | Gerd Hoffmann | ret = usb_desc_handle_control(dev, request, value, index, length, data); |
294 | 062651c7 | Gerd Hoffmann | if (ret >= 0) { |
295 | 062651c7 | Gerd Hoffmann | return ret;
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296 | 062651c7 | Gerd Hoffmann | } |
297 | 062651c7 | Gerd Hoffmann | |
298 | 72899afc | bellard | switch(request) {
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299 | 985d1742 | bellard | case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
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300 | 985d1742 | bellard | if (value == 0 && index != 0x81) { /* clear ep halt */ |
301 | 985d1742 | bellard | goto fail;
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302 | 985d1742 | bellard | } |
303 | 985d1742 | bellard | ret = 0;
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304 | 985d1742 | bellard | break;
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305 | 72899afc | bellard | case DeviceRequest | USB_REQ_GET_INTERFACE:
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306 | 72899afc | bellard | data[0] = 0; |
307 | 72899afc | bellard | ret = 1;
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308 | 72899afc | bellard | break;
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309 | 72899afc | bellard | case DeviceOutRequest | USB_REQ_SET_INTERFACE:
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310 | 72899afc | bellard | ret = 0;
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311 | 72899afc | bellard | break;
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312 | 72899afc | bellard | /* usb specific requests */
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313 | 72899afc | bellard | case GetHubStatus:
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314 | 72899afc | bellard | data[0] = 0; |
315 | 72899afc | bellard | data[1] = 0; |
316 | 72899afc | bellard | data[2] = 0; |
317 | 72899afc | bellard | data[3] = 0; |
318 | 72899afc | bellard | ret = 4;
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319 | 72899afc | bellard | break;
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320 | 72899afc | bellard | case GetPortStatus:
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321 | 72899afc | bellard | { |
322 | 72899afc | bellard | unsigned int n = index - 1; |
323 | 72899afc | bellard | USBHubPort *port; |
324 | 062651c7 | Gerd Hoffmann | if (n >= NUM_PORTS) {
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325 | 72899afc | bellard | goto fail;
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326 | 062651c7 | Gerd Hoffmann | } |
327 | 72899afc | bellard | port = &s->ports[n]; |
328 | 72899afc | bellard | data[0] = port->wPortStatus;
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329 | 72899afc | bellard | data[1] = port->wPortStatus >> 8; |
330 | 72899afc | bellard | data[2] = port->wPortChange;
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331 | 72899afc | bellard | data[3] = port->wPortChange >> 8; |
332 | 72899afc | bellard | ret = 4;
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333 | 72899afc | bellard | } |
334 | 72899afc | bellard | break;
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335 | 72899afc | bellard | case SetHubFeature:
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336 | 72899afc | bellard | case ClearHubFeature:
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337 | 72899afc | bellard | if (value == 0 || value == 1) { |
338 | 72899afc | bellard | } else {
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339 | 72899afc | bellard | goto fail;
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340 | 72899afc | bellard | } |
341 | 72899afc | bellard | ret = 0;
|
342 | 72899afc | bellard | break;
|
343 | 72899afc | bellard | case SetPortFeature:
|
344 | 72899afc | bellard | { |
345 | 72899afc | bellard | unsigned int n = index - 1; |
346 | 72899afc | bellard | USBHubPort *port; |
347 | 72899afc | bellard | USBDevice *dev; |
348 | 062651c7 | Gerd Hoffmann | if (n >= NUM_PORTS) {
|
349 | 72899afc | bellard | goto fail;
|
350 | 062651c7 | Gerd Hoffmann | } |
351 | 72899afc | bellard | port = &s->ports[n]; |
352 | 72899afc | bellard | dev = port->port.dev; |
353 | 72899afc | bellard | switch(value) {
|
354 | 72899afc | bellard | case PORT_SUSPEND:
|
355 | 72899afc | bellard | port->wPortStatus |= PORT_STAT_SUSPEND; |
356 | 72899afc | bellard | break;
|
357 | 72899afc | bellard | case PORT_RESET:
|
358 | 72899afc | bellard | if (dev) {
|
359 | 4d611c9a | pbrook | usb_send_msg(dev, USB_MSG_RESET); |
360 | 72899afc | bellard | port->wPortChange |= PORT_STAT_C_RESET; |
361 | 72899afc | bellard | /* set enable bit */
|
362 | 72899afc | bellard | port->wPortStatus |= PORT_STAT_ENABLE; |
363 | 72899afc | bellard | } |
364 | 72899afc | bellard | break;
|
365 | 72899afc | bellard | case PORT_POWER:
|
366 | 72899afc | bellard | break;
|
367 | 72899afc | bellard | default:
|
368 | 72899afc | bellard | goto fail;
|
369 | 72899afc | bellard | } |
370 | 72899afc | bellard | ret = 0;
|
371 | 72899afc | bellard | } |
372 | 72899afc | bellard | break;
|
373 | 72899afc | bellard | case ClearPortFeature:
|
374 | 72899afc | bellard | { |
375 | 72899afc | bellard | unsigned int n = index - 1; |
376 | 72899afc | bellard | USBHubPort *port; |
377 | d4c4e6fd | Blue Swirl | |
378 | 062651c7 | Gerd Hoffmann | if (n >= NUM_PORTS) {
|
379 | 72899afc | bellard | goto fail;
|
380 | 062651c7 | Gerd Hoffmann | } |
381 | 72899afc | bellard | port = &s->ports[n]; |
382 | 72899afc | bellard | switch(value) {
|
383 | 72899afc | bellard | case PORT_ENABLE:
|
384 | 72899afc | bellard | port->wPortStatus &= ~PORT_STAT_ENABLE; |
385 | 72899afc | bellard | break;
|
386 | 72899afc | bellard | case PORT_C_ENABLE:
|
387 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_ENABLE; |
388 | 72899afc | bellard | break;
|
389 | 72899afc | bellard | case PORT_SUSPEND:
|
390 | 72899afc | bellard | port->wPortStatus &= ~PORT_STAT_SUSPEND; |
391 | 72899afc | bellard | break;
|
392 | 72899afc | bellard | case PORT_C_SUSPEND:
|
393 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_SUSPEND; |
394 | 72899afc | bellard | break;
|
395 | 72899afc | bellard | case PORT_C_CONNECTION:
|
396 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_CONNECTION; |
397 | 72899afc | bellard | break;
|
398 | 72899afc | bellard | case PORT_C_OVERCURRENT:
|
399 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_OVERCURRENT; |
400 | 72899afc | bellard | break;
|
401 | 72899afc | bellard | case PORT_C_RESET:
|
402 | 72899afc | bellard | port->wPortChange &= ~PORT_STAT_C_RESET; |
403 | 72899afc | bellard | break;
|
404 | 72899afc | bellard | default:
|
405 | 72899afc | bellard | goto fail;
|
406 | 72899afc | bellard | } |
407 | 72899afc | bellard | ret = 0;
|
408 | 72899afc | bellard | } |
409 | 72899afc | bellard | break;
|
410 | 72899afc | bellard | case GetHubDescriptor:
|
411 | 985d1742 | bellard | { |
412 | 985d1742 | bellard | unsigned int n, limit, var_hub_size = 0; |
413 | 5fafdf24 | ths | memcpy(data, qemu_hub_hub_descriptor, |
414 | 985d1742 | bellard | sizeof(qemu_hub_hub_descriptor));
|
415 | 062651c7 | Gerd Hoffmann | data[2] = NUM_PORTS;
|
416 | 985d1742 | bellard | |
417 | 985d1742 | bellard | /* fill DeviceRemovable bits */
|
418 | 062651c7 | Gerd Hoffmann | limit = ((NUM_PORTS + 1 + 7) / 8) + 7; |
419 | 985d1742 | bellard | for (n = 7; n < limit; n++) { |
420 | 985d1742 | bellard | data[n] = 0x00;
|
421 | 985d1742 | bellard | var_hub_size++; |
422 | 985d1742 | bellard | } |
423 | 985d1742 | bellard | |
424 | 985d1742 | bellard | /* fill PortPwrCtrlMask bits */
|
425 | 062651c7 | Gerd Hoffmann | limit = limit + ((NUM_PORTS + 7) / 8); |
426 | 985d1742 | bellard | for (;n < limit; n++) {
|
427 | 985d1742 | bellard | data[n] = 0xff;
|
428 | 985d1742 | bellard | var_hub_size++; |
429 | 985d1742 | bellard | } |
430 | 985d1742 | bellard | |
431 | 985d1742 | bellard | ret = sizeof(qemu_hub_hub_descriptor) + var_hub_size;
|
432 | 67f36560 | bellard | data[0] = ret;
|
433 | 985d1742 | bellard | break;
|
434 | 985d1742 | bellard | } |
435 | 72899afc | bellard | default:
|
436 | 72899afc | bellard | fail:
|
437 | 72899afc | bellard | ret = USB_RET_STALL; |
438 | 72899afc | bellard | break;
|
439 | 72899afc | bellard | } |
440 | 72899afc | bellard | return ret;
|
441 | 72899afc | bellard | } |
442 | 72899afc | bellard | |
443 | 4d611c9a | pbrook | static int usb_hub_handle_data(USBDevice *dev, USBPacket *p) |
444 | 72899afc | bellard | { |
445 | 72899afc | bellard | USBHubState *s = (USBHubState *)dev; |
446 | 72899afc | bellard | int ret;
|
447 | 72899afc | bellard | |
448 | 4d611c9a | pbrook | switch(p->pid) {
|
449 | 72899afc | bellard | case USB_TOKEN_IN:
|
450 | 4d611c9a | pbrook | if (p->devep == 1) { |
451 | 72899afc | bellard | USBHubPort *port; |
452 | 72899afc | bellard | unsigned int status; |
453 | 72899afc | bellard | int i, n;
|
454 | 062651c7 | Gerd Hoffmann | n = (NUM_PORTS + 1 + 7) / 8; |
455 | 4d611c9a | pbrook | if (p->len == 1) { /* FreeBSD workaround */ |
456 | 985d1742 | bellard | n = 1;
|
457 | 4d611c9a | pbrook | } else if (n > p->len) { |
458 | 72899afc | bellard | return USB_RET_BABBLE;
|
459 | 985d1742 | bellard | } |
460 | 72899afc | bellard | status = 0;
|
461 | 062651c7 | Gerd Hoffmann | for(i = 0; i < NUM_PORTS; i++) { |
462 | 72899afc | bellard | port = &s->ports[i]; |
463 | 72899afc | bellard | if (port->wPortChange)
|
464 | 72899afc | bellard | status |= (1 << (i + 1)); |
465 | 72899afc | bellard | } |
466 | 72899afc | bellard | if (status != 0) { |
467 | 72899afc | bellard | for(i = 0; i < n; i++) { |
468 | 4d611c9a | pbrook | p->data[i] = status >> (8 * i);
|
469 | 72899afc | bellard | } |
470 | 72899afc | bellard | ret = n; |
471 | 72899afc | bellard | } else {
|
472 | 985d1742 | bellard | ret = USB_RET_NAK; /* usb11 11.13.1 */
|
473 | 72899afc | bellard | } |
474 | 72899afc | bellard | } else {
|
475 | 72899afc | bellard | goto fail;
|
476 | 72899afc | bellard | } |
477 | 72899afc | bellard | break;
|
478 | 72899afc | bellard | case USB_TOKEN_OUT:
|
479 | 72899afc | bellard | default:
|
480 | 72899afc | bellard | fail:
|
481 | 72899afc | bellard | ret = USB_RET_STALL; |
482 | 72899afc | bellard | break;
|
483 | 72899afc | bellard | } |
484 | 72899afc | bellard | return ret;
|
485 | 72899afc | bellard | } |
486 | 72899afc | bellard | |
487 | 4d611c9a | pbrook | static int usb_hub_broadcast_packet(USBHubState *s, USBPacket *p) |
488 | 72899afc | bellard | { |
489 | 72899afc | bellard | USBHubPort *port; |
490 | 72899afc | bellard | USBDevice *dev; |
491 | 72899afc | bellard | int i, ret;
|
492 | 72899afc | bellard | |
493 | 062651c7 | Gerd Hoffmann | for(i = 0; i < NUM_PORTS; i++) { |
494 | 72899afc | bellard | port = &s->ports[i]; |
495 | 72899afc | bellard | dev = port->port.dev; |
496 | 72899afc | bellard | if (dev && (port->wPortStatus & PORT_STAT_ENABLE)) {
|
497 | 806b6024 | Gerd Hoffmann | ret = dev->info->handle_packet(dev, p); |
498 | 72899afc | bellard | if (ret != USB_RET_NODEV) {
|
499 | 72899afc | bellard | return ret;
|
500 | 72899afc | bellard | } |
501 | 72899afc | bellard | } |
502 | 72899afc | bellard | } |
503 | 72899afc | bellard | return USB_RET_NODEV;
|
504 | 72899afc | bellard | } |
505 | 72899afc | bellard | |
506 | 4d611c9a | pbrook | static int usb_hub_handle_packet(USBDevice *dev, USBPacket *p) |
507 | 72899afc | bellard | { |
508 | 72899afc | bellard | USBHubState *s = (USBHubState *)dev; |
509 | 72899afc | bellard | |
510 | 72899afc | bellard | #if defined(DEBUG) && 0 |
511 | 72899afc | bellard | printf("usb_hub: pid=0x%x\n", pid);
|
512 | 72899afc | bellard | #endif
|
513 | 72899afc | bellard | if (dev->state == USB_STATE_DEFAULT &&
|
514 | 72899afc | bellard | dev->addr != 0 &&
|
515 | 4d611c9a | pbrook | p->devaddr != dev->addr && |
516 | 5fafdf24 | ths | (p->pid == USB_TOKEN_SETUP || |
517 | 5fafdf24 | ths | p->pid == USB_TOKEN_OUT || |
518 | 4d611c9a | pbrook | p->pid == USB_TOKEN_IN)) { |
519 | 72899afc | bellard | /* broadcast the packet to the devices */
|
520 | 4d611c9a | pbrook | return usb_hub_broadcast_packet(s, p);
|
521 | 72899afc | bellard | } |
522 | 4d611c9a | pbrook | return usb_generic_handle_packet(dev, p);
|
523 | 72899afc | bellard | } |
524 | 72899afc | bellard | |
525 | 059809e4 | bellard | static void usb_hub_handle_destroy(USBDevice *dev) |
526 | 059809e4 | bellard | { |
527 | 059809e4 | bellard | USBHubState *s = (USBHubState *)dev; |
528 | a8e662b5 | Gerd Hoffmann | int i;
|
529 | 059809e4 | bellard | |
530 | 062651c7 | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
531 | a8e662b5 | Gerd Hoffmann | usb_unregister_port(usb_bus_from_device(dev), |
532 | a8e662b5 | Gerd Hoffmann | &s->ports[i].port); |
533 | a8e662b5 | Gerd Hoffmann | } |
534 | 059809e4 | bellard | } |
535 | 059809e4 | bellard | |
536 | 0d86d2be | Gerd Hoffmann | static USBPortOps usb_hub_port_ops = {
|
537 | 0d86d2be | Gerd Hoffmann | .attach = usb_hub_attach, |
538 | 618c169b | Gerd Hoffmann | .detach = usb_hub_detach, |
539 | 34239c7b | Gerd Hoffmann | .wakeup = usb_hub_wakeup, |
540 | 13a9a0d3 | Gerd Hoffmann | .complete = usb_hub_complete, |
541 | 0d86d2be | Gerd Hoffmann | }; |
542 | 0d86d2be | Gerd Hoffmann | |
543 | 806b6024 | Gerd Hoffmann | static int usb_hub_initfn(USBDevice *dev) |
544 | 72899afc | bellard | { |
545 | 806b6024 | Gerd Hoffmann | USBHubState *s = DO_UPCAST(USBHubState, dev, dev); |
546 | 72899afc | bellard | USBHubPort *port; |
547 | 72899afc | bellard | int i;
|
548 | 72899afc | bellard | |
549 | a980a065 | Gerd Hoffmann | usb_desc_init(dev); |
550 | 062651c7 | Gerd Hoffmann | for (i = 0; i < NUM_PORTS; i++) { |
551 | 72899afc | bellard | port = &s->ports[i]; |
552 | a5d2f727 | Gerd Hoffmann | usb_register_port(usb_bus_from_device(dev), |
553 | ace1318b | Gerd Hoffmann | &port->port, s, i, &usb_hub_port_ops, |
554 | 843d4e0c | Gerd Hoffmann | USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); |
555 | 72899afc | bellard | port->wPortStatus = PORT_STAT_POWER; |
556 | 72899afc | bellard | port->wPortChange = 0;
|
557 | 72899afc | bellard | } |
558 | 806b6024 | Gerd Hoffmann | return 0; |
559 | 806b6024 | Gerd Hoffmann | } |
560 | 806b6024 | Gerd Hoffmann | |
561 | d1550090 | Gerd Hoffmann | static const VMStateDescription vmstate_usb_hub_port = { |
562 | d1550090 | Gerd Hoffmann | .name = "usb-hub-port",
|
563 | d1550090 | Gerd Hoffmann | .version_id = 1,
|
564 | d1550090 | Gerd Hoffmann | .minimum_version_id = 1,
|
565 | d1550090 | Gerd Hoffmann | .fields = (VMStateField []) { |
566 | d1550090 | Gerd Hoffmann | VMSTATE_UINT16(wPortStatus, USBHubPort), |
567 | d1550090 | Gerd Hoffmann | VMSTATE_UINT16(wPortChange, USBHubPort), |
568 | d1550090 | Gerd Hoffmann | VMSTATE_END_OF_LIST() |
569 | d1550090 | Gerd Hoffmann | } |
570 | d1550090 | Gerd Hoffmann | }; |
571 | d1550090 | Gerd Hoffmann | |
572 | d1550090 | Gerd Hoffmann | static const VMStateDescription vmstate_usb_hub = { |
573 | d1550090 | Gerd Hoffmann | .name = "usb-hub",
|
574 | d1550090 | Gerd Hoffmann | .version_id = 1,
|
575 | d1550090 | Gerd Hoffmann | .minimum_version_id = 1,
|
576 | d1550090 | Gerd Hoffmann | .fields = (VMStateField []) { |
577 | d1550090 | Gerd Hoffmann | VMSTATE_USB_DEVICE(dev, USBHubState), |
578 | d1550090 | Gerd Hoffmann | VMSTATE_STRUCT_ARRAY(ports, USBHubState, NUM_PORTS, 0,
|
579 | d1550090 | Gerd Hoffmann | vmstate_usb_hub_port, USBHubPort), |
580 | d1550090 | Gerd Hoffmann | VMSTATE_END_OF_LIST() |
581 | d1550090 | Gerd Hoffmann | } |
582 | d1550090 | Gerd Hoffmann | }; |
583 | d1550090 | Gerd Hoffmann | |
584 | 806b6024 | Gerd Hoffmann | static struct USBDeviceInfo hub_info = { |
585 | 06384698 | Markus Armbruster | .product_desc = "QEMU USB Hub",
|
586 | 556cd098 | Markus Armbruster | .qdev.name = "usb-hub",
|
587 | 779206de | Gleb Natapov | .qdev.fw_name = "hub",
|
588 | 806b6024 | Gerd Hoffmann | .qdev.size = sizeof(USBHubState),
|
589 | d1550090 | Gerd Hoffmann | .qdev.vmsd = &vmstate_usb_hub, |
590 | 062651c7 | Gerd Hoffmann | .usb_desc = &desc_hub, |
591 | 806b6024 | Gerd Hoffmann | .init = usb_hub_initfn, |
592 | 806b6024 | Gerd Hoffmann | .handle_packet = usb_hub_handle_packet, |
593 | c7a2196a | Gerd Hoffmann | .handle_attach = usb_hub_handle_attach, |
594 | 806b6024 | Gerd Hoffmann | .handle_reset = usb_hub_handle_reset, |
595 | 806b6024 | Gerd Hoffmann | .handle_control = usb_hub_handle_control, |
596 | 806b6024 | Gerd Hoffmann | .handle_data = usb_hub_handle_data, |
597 | 806b6024 | Gerd Hoffmann | .handle_destroy = usb_hub_handle_destroy, |
598 | 806b6024 | Gerd Hoffmann | }; |
599 | 806b6024 | Gerd Hoffmann | |
600 | 806b6024 | Gerd Hoffmann | static void usb_hub_register_devices(void) |
601 | 806b6024 | Gerd Hoffmann | { |
602 | 806b6024 | Gerd Hoffmann | usb_qdev_register(&hub_info); |
603 | 72899afc | bellard | } |
604 | 806b6024 | Gerd Hoffmann | device_init(usb_hub_register_devices) |