root / hw / usb / core.c @ ef5b2344
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1 | bb36d470 | bellard | /*
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2 | bb36d470 | bellard | * QEMU USB emulation
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3 | bb36d470 | bellard | *
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4 | bb36d470 | bellard | * Copyright (c) 2005 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | 89b9b79f | aliguori | * 2008 Generic packet handler rewrite by Max Krasnyansky
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7 | 89b9b79f | aliguori | *
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8 | bb36d470 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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9 | bb36d470 | bellard | * of this software and associated documentation files (the "Software"), to deal
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10 | bb36d470 | bellard | * in the Software without restriction, including without limitation the rights
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11 | bb36d470 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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12 | bb36d470 | bellard | * copies of the Software, and to permit persons to whom the Software is
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13 | bb36d470 | bellard | * furnished to do so, subject to the following conditions:
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14 | bb36d470 | bellard | *
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15 | bb36d470 | bellard | * The above copyright notice and this permission notice shall be included in
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16 | bb36d470 | bellard | * all copies or substantial portions of the Software.
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17 | bb36d470 | bellard | *
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18 | bb36d470 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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19 | bb36d470 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 | bb36d470 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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21 | bb36d470 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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22 | bb36d470 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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23 | bb36d470 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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24 | bb36d470 | bellard | * THE SOFTWARE.
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25 | bb36d470 | bellard | */
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26 | 87ecb68b | pbrook | #include "qemu-common.h" |
27 | f1ae32a1 | Gerd Hoffmann | #include "hw/usb.h" |
28 | 4f4321c1 | Gerd Hoffmann | #include "iov.h" |
29 | 808aeb98 | Gerd Hoffmann | #include "trace.h" |
30 | bb36d470 | bellard | |
31 | 891fb2cd | Gerd Hoffmann | void usb_attach(USBPort *port)
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32 | bb36d470 | bellard | { |
33 | 891fb2cd | Gerd Hoffmann | USBDevice *dev = port->dev; |
34 | 891fb2cd | Gerd Hoffmann | |
35 | 891fb2cd | Gerd Hoffmann | assert(dev != NULL);
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36 | 891fb2cd | Gerd Hoffmann | assert(dev->attached); |
37 | e0b8e72d | Gerd Hoffmann | assert(dev->state == USB_STATE_NOTATTACHED); |
38 | 891fb2cd | Gerd Hoffmann | port->ops->attach(port); |
39 | d1f8b536 | Gerd Hoffmann | dev->state = USB_STATE_ATTACHED; |
40 | d1f8b536 | Gerd Hoffmann | usb_device_handle_attach(dev); |
41 | 891fb2cd | Gerd Hoffmann | } |
42 | 891fb2cd | Gerd Hoffmann | |
43 | 891fb2cd | Gerd Hoffmann | void usb_detach(USBPort *port)
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44 | 891fb2cd | Gerd Hoffmann | { |
45 | 891fb2cd | Gerd Hoffmann | USBDevice *dev = port->dev; |
46 | 891fb2cd | Gerd Hoffmann | |
47 | 891fb2cd | Gerd Hoffmann | assert(dev != NULL);
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48 | e0b8e72d | Gerd Hoffmann | assert(dev->state != USB_STATE_NOTATTACHED); |
49 | 891fb2cd | Gerd Hoffmann | port->ops->detach(port); |
50 | d1f8b536 | Gerd Hoffmann | dev->state = USB_STATE_NOTATTACHED; |
51 | bb36d470 | bellard | } |
52 | bb36d470 | bellard | |
53 | d28f4e2d | Gerd Hoffmann | void usb_port_reset(USBPort *port)
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54 | e0b8e72d | Gerd Hoffmann | { |
55 | e0b8e72d | Gerd Hoffmann | USBDevice *dev = port->dev; |
56 | e0b8e72d | Gerd Hoffmann | |
57 | e0b8e72d | Gerd Hoffmann | assert(dev != NULL);
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58 | e0b8e72d | Gerd Hoffmann | usb_detach(port); |
59 | e0b8e72d | Gerd Hoffmann | usb_attach(port); |
60 | d28f4e2d | Gerd Hoffmann | usb_device_reset(dev); |
61 | d28f4e2d | Gerd Hoffmann | } |
62 | d28f4e2d | Gerd Hoffmann | |
63 | d28f4e2d | Gerd Hoffmann | void usb_device_reset(USBDevice *dev)
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64 | d28f4e2d | Gerd Hoffmann | { |
65 | d28f4e2d | Gerd Hoffmann | if (dev == NULL || !dev->attached) { |
66 | d28f4e2d | Gerd Hoffmann | return;
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67 | d28f4e2d | Gerd Hoffmann | } |
68 | d28f4e2d | Gerd Hoffmann | dev->remote_wakeup = 0;
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69 | d28f4e2d | Gerd Hoffmann | dev->addr = 0;
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70 | d28f4e2d | Gerd Hoffmann | dev->state = USB_STATE_DEFAULT; |
71 | d28f4e2d | Gerd Hoffmann | usb_device_handle_reset(dev); |
72 | e0b8e72d | Gerd Hoffmann | } |
73 | e0b8e72d | Gerd Hoffmann | |
74 | 7567b51f | Gerd Hoffmann | void usb_wakeup(USBEndpoint *ep)
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75 | 01eacab6 | Gerd Hoffmann | { |
76 | 7567b51f | Gerd Hoffmann | USBDevice *dev = ep->dev; |
77 | 37f32f0f | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
78 | 7567b51f | Gerd Hoffmann | |
79 | 01eacab6 | Gerd Hoffmann | if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) {
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80 | d47e59b8 | Hans de Goede | dev->port->ops->wakeup(dev->port); |
81 | 01eacab6 | Gerd Hoffmann | } |
82 | 37f32f0f | Gerd Hoffmann | if (bus->ops->wakeup_endpoint) {
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83 | 37f32f0f | Gerd Hoffmann | bus->ops->wakeup_endpoint(bus, ep); |
84 | 37f32f0f | Gerd Hoffmann | } |
85 | 01eacab6 | Gerd Hoffmann | } |
86 | 01eacab6 | Gerd Hoffmann | |
87 | bb36d470 | bellard | /**********************/
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88 | 89b9b79f | aliguori | |
89 | bb36d470 | bellard | /* generic USB device helpers (you are not forced to use them when
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90 | bb36d470 | bellard | writing your USB device driver, but they help handling the
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91 | 5fafdf24 | ths | protocol)
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92 | bb36d470 | bellard | */
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93 | bb36d470 | bellard | |
94 | 50b7963e | Hans de Goede | #define SETUP_STATE_IDLE 0 |
95 | 50b7963e | Hans de Goede | #define SETUP_STATE_SETUP 1 |
96 | 50b7963e | Hans de Goede | #define SETUP_STATE_DATA 2 |
97 | 50b7963e | Hans de Goede | #define SETUP_STATE_ACK 3 |
98 | 1b4b29a1 | Gerd Hoffmann | #define SETUP_STATE_PARAM 4 |
99 | bb36d470 | bellard | |
100 | 89b9b79f | aliguori | static int do_token_setup(USBDevice *s, USBPacket *p) |
101 | 89b9b79f | aliguori | { |
102 | 89b9b79f | aliguori | int request, value, index;
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103 | 89b9b79f | aliguori | int ret = 0; |
104 | 89b9b79f | aliguori | |
105 | 4f4321c1 | Gerd Hoffmann | if (p->iov.size != 8) { |
106 | 89b9b79f | aliguori | return USB_RET_STALL;
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107 | 4f4321c1 | Gerd Hoffmann | } |
108 | 4f4321c1 | Gerd Hoffmann | |
109 | 4f4321c1 | Gerd Hoffmann | usb_packet_copy(p, s->setup_buf, p->iov.size); |
110 | c19537a1 | Gerd Hoffmann | p->result = 0;
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111 | 89b9b79f | aliguori | s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; |
112 | 89b9b79f | aliguori | s->setup_index = 0;
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113 | 89b9b79f | aliguori | |
114 | 89b9b79f | aliguori | request = (s->setup_buf[0] << 8) | s->setup_buf[1]; |
115 | 89b9b79f | aliguori | value = (s->setup_buf[3] << 8) | s->setup_buf[2]; |
116 | 89b9b79f | aliguori | index = (s->setup_buf[5] << 8) | s->setup_buf[4]; |
117 | 007fd62f | Hans de Goede | |
118 | 89b9b79f | aliguori | if (s->setup_buf[0] & USB_DIR_IN) { |
119 | 62aed765 | Anthony Liguori | ret = usb_device_handle_control(s, p, request, value, index, |
120 | 62aed765 | Anthony Liguori | s->setup_len, s->data_buf); |
121 | 50b7963e | Hans de Goede | if (ret == USB_RET_ASYNC) {
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122 | 50b7963e | Hans de Goede | s->setup_state = SETUP_STATE_SETUP; |
123 | 50b7963e | Hans de Goede | return USB_RET_ASYNC;
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124 | 50b7963e | Hans de Goede | } |
125 | 89b9b79f | aliguori | if (ret < 0) |
126 | 89b9b79f | aliguori | return ret;
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127 | 89b9b79f | aliguori | |
128 | 89b9b79f | aliguori | if (ret < s->setup_len)
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129 | 89b9b79f | aliguori | s->setup_len = ret; |
130 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_DATA; |
131 | 89b9b79f | aliguori | } else {
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132 | 19f33223 | Hans de Goede | if (s->setup_len > sizeof(s->data_buf)) { |
133 | 19f33223 | Hans de Goede | fprintf(stderr, |
134 | 19f33223 | Hans de Goede | "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n",
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135 | 19f33223 | Hans de Goede | s->setup_len, sizeof(s->data_buf));
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136 | 19f33223 | Hans de Goede | return USB_RET_STALL;
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137 | 19f33223 | Hans de Goede | } |
138 | 89b9b79f | aliguori | if (s->setup_len == 0) |
139 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_ACK; |
140 | 89b9b79f | aliguori | else
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141 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_DATA; |
142 | 89b9b79f | aliguori | } |
143 | 89b9b79f | aliguori | |
144 | 89b9b79f | aliguori | return ret;
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145 | 89b9b79f | aliguori | } |
146 | 89b9b79f | aliguori | |
147 | 89b9b79f | aliguori | static int do_token_in(USBDevice *s, USBPacket *p) |
148 | bb36d470 | bellard | { |
149 | 89b9b79f | aliguori | int request, value, index;
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150 | 89b9b79f | aliguori | int ret = 0; |
151 | 89b9b79f | aliguori | |
152 | 079d0b7f | Gerd Hoffmann | assert(p->ep->nr == 0);
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153 | 89b9b79f | aliguori | |
154 | 89b9b79f | aliguori | request = (s->setup_buf[0] << 8) | s->setup_buf[1]; |
155 | 89b9b79f | aliguori | value = (s->setup_buf[3] << 8) | s->setup_buf[2]; |
156 | 89b9b79f | aliguori | index = (s->setup_buf[5] << 8) | s->setup_buf[4]; |
157 | 89b9b79f | aliguori | |
158 | 89b9b79f | aliguori | switch(s->setup_state) {
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159 | 89b9b79f | aliguori | case SETUP_STATE_ACK:
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160 | 89b9b79f | aliguori | if (!(s->setup_buf[0] & USB_DIR_IN)) { |
161 | 62aed765 | Anthony Liguori | ret = usb_device_handle_control(s, p, request, value, index, |
162 | 62aed765 | Anthony Liguori | s->setup_len, s->data_buf); |
163 | 007fd62f | Hans de Goede | if (ret == USB_RET_ASYNC) {
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164 | 007fd62f | Hans de Goede | return USB_RET_ASYNC;
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165 | 007fd62f | Hans de Goede | } |
166 | 007fd62f | Hans de Goede | s->setup_state = SETUP_STATE_IDLE; |
167 | 89b9b79f | aliguori | if (ret > 0) |
168 | 89b9b79f | aliguori | return 0; |
169 | 89b9b79f | aliguori | return ret;
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170 | 89b9b79f | aliguori | } |
171 | 89b9b79f | aliguori | |
172 | 89b9b79f | aliguori | /* return 0 byte */
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173 | 89b9b79f | aliguori | return 0; |
174 | 89b9b79f | aliguori | |
175 | 89b9b79f | aliguori | case SETUP_STATE_DATA:
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176 | 89b9b79f | aliguori | if (s->setup_buf[0] & USB_DIR_IN) { |
177 | 89b9b79f | aliguori | int len = s->setup_len - s->setup_index;
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178 | 4f4321c1 | Gerd Hoffmann | if (len > p->iov.size) {
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179 | 4f4321c1 | Gerd Hoffmann | len = p->iov.size; |
180 | 4f4321c1 | Gerd Hoffmann | } |
181 | 4f4321c1 | Gerd Hoffmann | usb_packet_copy(p, s->data_buf + s->setup_index, len); |
182 | 89b9b79f | aliguori | s->setup_index += len; |
183 | 89b9b79f | aliguori | if (s->setup_index >= s->setup_len)
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184 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_ACK; |
185 | 89b9b79f | aliguori | return len;
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186 | 89b9b79f | aliguori | } |
187 | 89b9b79f | aliguori | |
188 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_IDLE; |
189 | 89b9b79f | aliguori | return USB_RET_STALL;
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190 | 89b9b79f | aliguori | |
191 | 89b9b79f | aliguori | default:
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192 | 89b9b79f | aliguori | return USB_RET_STALL;
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193 | 89b9b79f | aliguori | } |
194 | 89b9b79f | aliguori | } |
195 | 89b9b79f | aliguori | |
196 | 89b9b79f | aliguori | static int do_token_out(USBDevice *s, USBPacket *p) |
197 | 89b9b79f | aliguori | { |
198 | 079d0b7f | Gerd Hoffmann | assert(p->ep->nr == 0);
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199 | 89b9b79f | aliguori | |
200 | 89b9b79f | aliguori | switch(s->setup_state) {
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201 | 89b9b79f | aliguori | case SETUP_STATE_ACK:
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202 | 89b9b79f | aliguori | if (s->setup_buf[0] & USB_DIR_IN) { |
203 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_IDLE; |
204 | 89b9b79f | aliguori | /* transfer OK */
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205 | 89b9b79f | aliguori | } else {
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206 | 89b9b79f | aliguori | /* ignore additional output */
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207 | 89b9b79f | aliguori | } |
208 | 89b9b79f | aliguori | return 0; |
209 | 89b9b79f | aliguori | |
210 | 89b9b79f | aliguori | case SETUP_STATE_DATA:
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211 | 89b9b79f | aliguori | if (!(s->setup_buf[0] & USB_DIR_IN)) { |
212 | 89b9b79f | aliguori | int len = s->setup_len - s->setup_index;
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213 | 4f4321c1 | Gerd Hoffmann | if (len > p->iov.size) {
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214 | 4f4321c1 | Gerd Hoffmann | len = p->iov.size; |
215 | 4f4321c1 | Gerd Hoffmann | } |
216 | 4f4321c1 | Gerd Hoffmann | usb_packet_copy(p, s->data_buf + s->setup_index, len); |
217 | 89b9b79f | aliguori | s->setup_index += len; |
218 | 89b9b79f | aliguori | if (s->setup_index >= s->setup_len)
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219 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_ACK; |
220 | 89b9b79f | aliguori | return len;
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221 | 89b9b79f | aliguori | } |
222 | 89b9b79f | aliguori | |
223 | 89b9b79f | aliguori | s->setup_state = SETUP_STATE_IDLE; |
224 | 89b9b79f | aliguori | return USB_RET_STALL;
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225 | 89b9b79f | aliguori | |
226 | 89b9b79f | aliguori | default:
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227 | 89b9b79f | aliguori | return USB_RET_STALL;
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228 | 89b9b79f | aliguori | } |
229 | 89b9b79f | aliguori | } |
230 | bb36d470 | bellard | |
231 | 1b4b29a1 | Gerd Hoffmann | static int do_parameter(USBDevice *s, USBPacket *p) |
232 | 1b4b29a1 | Gerd Hoffmann | { |
233 | 1b4b29a1 | Gerd Hoffmann | int request, value, index;
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234 | 1b4b29a1 | Gerd Hoffmann | int i, ret = 0; |
235 | 1b4b29a1 | Gerd Hoffmann | |
236 | 1b4b29a1 | Gerd Hoffmann | for (i = 0; i < 8; i++) { |
237 | 1b4b29a1 | Gerd Hoffmann | s->setup_buf[i] = p->parameter >> (i*8);
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238 | 1b4b29a1 | Gerd Hoffmann | } |
239 | 1b4b29a1 | Gerd Hoffmann | |
240 | 1b4b29a1 | Gerd Hoffmann | s->setup_state = SETUP_STATE_PARAM; |
241 | 1b4b29a1 | Gerd Hoffmann | s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; |
242 | 1b4b29a1 | Gerd Hoffmann | s->setup_index = 0;
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243 | 1b4b29a1 | Gerd Hoffmann | |
244 | 1b4b29a1 | Gerd Hoffmann | request = (s->setup_buf[0] << 8) | s->setup_buf[1]; |
245 | 1b4b29a1 | Gerd Hoffmann | value = (s->setup_buf[3] << 8) | s->setup_buf[2]; |
246 | 1b4b29a1 | Gerd Hoffmann | index = (s->setup_buf[5] << 8) | s->setup_buf[4]; |
247 | 1b4b29a1 | Gerd Hoffmann | |
248 | 1b4b29a1 | Gerd Hoffmann | if (s->setup_len > sizeof(s->data_buf)) { |
249 | 1b4b29a1 | Gerd Hoffmann | fprintf(stderr, |
250 | 1b4b29a1 | Gerd Hoffmann | "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n",
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251 | 1b4b29a1 | Gerd Hoffmann | s->setup_len, sizeof(s->data_buf));
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252 | 1b4b29a1 | Gerd Hoffmann | return USB_RET_STALL;
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253 | 1b4b29a1 | Gerd Hoffmann | } |
254 | 1b4b29a1 | Gerd Hoffmann | |
255 | 1b4b29a1 | Gerd Hoffmann | if (p->pid == USB_TOKEN_OUT) {
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256 | 1b4b29a1 | Gerd Hoffmann | usb_packet_copy(p, s->data_buf, s->setup_len); |
257 | 1b4b29a1 | Gerd Hoffmann | } |
258 | 1b4b29a1 | Gerd Hoffmann | |
259 | 1b4b29a1 | Gerd Hoffmann | ret = usb_device_handle_control(s, p, request, value, index, |
260 | 1b4b29a1 | Gerd Hoffmann | s->setup_len, s->data_buf); |
261 | 1b4b29a1 | Gerd Hoffmann | if (ret < 0) { |
262 | 1b4b29a1 | Gerd Hoffmann | return ret;
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263 | 1b4b29a1 | Gerd Hoffmann | } |
264 | 1b4b29a1 | Gerd Hoffmann | |
265 | 1b4b29a1 | Gerd Hoffmann | if (ret < s->setup_len) {
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266 | 1b4b29a1 | Gerd Hoffmann | s->setup_len = ret; |
267 | 1b4b29a1 | Gerd Hoffmann | } |
268 | 1b4b29a1 | Gerd Hoffmann | if (p->pid == USB_TOKEN_IN) {
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269 | 1b4b29a1 | Gerd Hoffmann | usb_packet_copy(p, s->data_buf, s->setup_len); |
270 | 1b4b29a1 | Gerd Hoffmann | } |
271 | 1b4b29a1 | Gerd Hoffmann | |
272 | 1b4b29a1 | Gerd Hoffmann | return ret;
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273 | 1b4b29a1 | Gerd Hoffmann | } |
274 | 1b4b29a1 | Gerd Hoffmann | |
275 | 50b7963e | Hans de Goede | /* ctrl complete function for devices which use usb_generic_handle_packet and
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276 | 50b7963e | Hans de Goede | may return USB_RET_ASYNC from their handle_control callback. Device code
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277 | 50b7963e | Hans de Goede | which does this *must* call this function instead of the normal
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278 | 50b7963e | Hans de Goede | usb_packet_complete to complete their async control packets. */
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279 | 50b7963e | Hans de Goede | void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p)
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280 | 50b7963e | Hans de Goede | { |
281 | 4f4321c1 | Gerd Hoffmann | if (p->result < 0) { |
282 | 50b7963e | Hans de Goede | s->setup_state = SETUP_STATE_IDLE; |
283 | 50b7963e | Hans de Goede | } |
284 | 50b7963e | Hans de Goede | |
285 | 50b7963e | Hans de Goede | switch (s->setup_state) {
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286 | 50b7963e | Hans de Goede | case SETUP_STATE_SETUP:
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287 | 4f4321c1 | Gerd Hoffmann | if (p->result < s->setup_len) {
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288 | 4f4321c1 | Gerd Hoffmann | s->setup_len = p->result; |
289 | 50b7963e | Hans de Goede | } |
290 | 50b7963e | Hans de Goede | s->setup_state = SETUP_STATE_DATA; |
291 | 4f4321c1 | Gerd Hoffmann | p->result = 8;
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292 | 50b7963e | Hans de Goede | break;
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293 | 50b7963e | Hans de Goede | |
294 | 50b7963e | Hans de Goede | case SETUP_STATE_ACK:
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295 | 50b7963e | Hans de Goede | s->setup_state = SETUP_STATE_IDLE; |
296 | 4f4321c1 | Gerd Hoffmann | p->result = 0;
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297 | 50b7963e | Hans de Goede | break;
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298 | 50b7963e | Hans de Goede | |
299 | 1b4b29a1 | Gerd Hoffmann | case SETUP_STATE_PARAM:
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300 | 1b4b29a1 | Gerd Hoffmann | if (p->result < s->setup_len) {
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301 | 1b4b29a1 | Gerd Hoffmann | s->setup_len = p->result; |
302 | 1b4b29a1 | Gerd Hoffmann | } |
303 | 1b4b29a1 | Gerd Hoffmann | if (p->pid == USB_TOKEN_IN) {
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304 | 1b4b29a1 | Gerd Hoffmann | p->result = 0;
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305 | 1b4b29a1 | Gerd Hoffmann | usb_packet_copy(p, s->data_buf, s->setup_len); |
306 | 1b4b29a1 | Gerd Hoffmann | } |
307 | 1b4b29a1 | Gerd Hoffmann | break;
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308 | 1b4b29a1 | Gerd Hoffmann | |
309 | 50b7963e | Hans de Goede | default:
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310 | 50b7963e | Hans de Goede | break;
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311 | 50b7963e | Hans de Goede | } |
312 | 50b7963e | Hans de Goede | usb_packet_complete(s, p); |
313 | 50b7963e | Hans de Goede | } |
314 | 50b7963e | Hans de Goede | |
315 | bb36d470 | bellard | /* XXX: fix overflow */
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316 | bb36d470 | bellard | int set_usb_string(uint8_t *buf, const char *str) |
317 | bb36d470 | bellard | { |
318 | bb36d470 | bellard | int len, i;
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319 | bb36d470 | bellard | uint8_t *q; |
320 | bb36d470 | bellard | |
321 | bb36d470 | bellard | q = buf; |
322 | bb36d470 | bellard | len = strlen(str); |
323 | ce5c37c2 | pbrook | *q++ = 2 * len + 2; |
324 | bb36d470 | bellard | *q++ = 3;
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325 | bb36d470 | bellard | for(i = 0; i < len; i++) { |
326 | bb36d470 | bellard | *q++ = str[i]; |
327 | bb36d470 | bellard | *q++ = 0;
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328 | bb36d470 | bellard | } |
329 | bb36d470 | bellard | return q - buf;
|
330 | bb36d470 | bellard | } |
331 | 4d611c9a | pbrook | |
332 | 73796fe6 | Gerd Hoffmann | USBDevice *usb_find_device(USBPort *port, uint8_t addr) |
333 | 73796fe6 | Gerd Hoffmann | { |
334 | 73796fe6 | Gerd Hoffmann | USBDevice *dev = port->dev; |
335 | 73796fe6 | Gerd Hoffmann | |
336 | 73796fe6 | Gerd Hoffmann | if (dev == NULL || !dev->attached || dev->state != USB_STATE_DEFAULT) { |
337 | 73796fe6 | Gerd Hoffmann | return NULL; |
338 | 73796fe6 | Gerd Hoffmann | } |
339 | 73796fe6 | Gerd Hoffmann | if (dev->addr == addr) {
|
340 | 73796fe6 | Gerd Hoffmann | return dev;
|
341 | 73796fe6 | Gerd Hoffmann | } |
342 | 73796fe6 | Gerd Hoffmann | return usb_device_find_device(dev, addr);
|
343 | 73796fe6 | Gerd Hoffmann | } |
344 | 73796fe6 | Gerd Hoffmann | |
345 | db4be873 | Gerd Hoffmann | static int usb_process_one(USBPacket *p) |
346 | db4be873 | Gerd Hoffmann | { |
347 | db4be873 | Gerd Hoffmann | USBDevice *dev = p->ep->dev; |
348 | db4be873 | Gerd Hoffmann | |
349 | db4be873 | Gerd Hoffmann | if (p->ep->nr == 0) { |
350 | db4be873 | Gerd Hoffmann | /* control pipe */
|
351 | 1b4b29a1 | Gerd Hoffmann | if (p->parameter) {
|
352 | 1b4b29a1 | Gerd Hoffmann | return do_parameter(dev, p);
|
353 | 1b4b29a1 | Gerd Hoffmann | } |
354 | db4be873 | Gerd Hoffmann | switch (p->pid) {
|
355 | db4be873 | Gerd Hoffmann | case USB_TOKEN_SETUP:
|
356 | db4be873 | Gerd Hoffmann | return do_token_setup(dev, p);
|
357 | db4be873 | Gerd Hoffmann | case USB_TOKEN_IN:
|
358 | db4be873 | Gerd Hoffmann | return do_token_in(dev, p);
|
359 | db4be873 | Gerd Hoffmann | case USB_TOKEN_OUT:
|
360 | db4be873 | Gerd Hoffmann | return do_token_out(dev, p);
|
361 | db4be873 | Gerd Hoffmann | default:
|
362 | db4be873 | Gerd Hoffmann | return USB_RET_STALL;
|
363 | db4be873 | Gerd Hoffmann | } |
364 | db4be873 | Gerd Hoffmann | } else {
|
365 | db4be873 | Gerd Hoffmann | /* data pipe */
|
366 | db4be873 | Gerd Hoffmann | return usb_device_handle_data(dev, p);
|
367 | db4be873 | Gerd Hoffmann | } |
368 | db4be873 | Gerd Hoffmann | } |
369 | db4be873 | Gerd Hoffmann | |
370 | 53aa8c0e | Gerd Hoffmann | /* Hand over a packet to a device for processing. Return value
|
371 | 53aa8c0e | Gerd Hoffmann | USB_RET_ASYNC indicates the processing isn't finished yet, the
|
372 | 53aa8c0e | Gerd Hoffmann | driver will call usb_packet_complete() when done processing it. */
|
373 | 53aa8c0e | Gerd Hoffmann | int usb_handle_packet(USBDevice *dev, USBPacket *p)
|
374 | 53aa8c0e | Gerd Hoffmann | { |
375 | 53aa8c0e | Gerd Hoffmann | int ret;
|
376 | 53aa8c0e | Gerd Hoffmann | |
377 | 98861f51 | Gerd Hoffmann | if (dev == NULL) { |
378 | 98861f51 | Gerd Hoffmann | return USB_RET_NODEV;
|
379 | 98861f51 | Gerd Hoffmann | } |
380 | 079d0b7f | Gerd Hoffmann | assert(dev == p->ep->dev); |
381 | 1977f93d | Gerd Hoffmann | assert(dev->state == USB_STATE_DEFAULT); |
382 | 5ac2731c | Gerd Hoffmann | usb_packet_check_state(p, USB_PACKET_SETUP); |
383 | db4be873 | Gerd Hoffmann | assert(p->ep != NULL);
|
384 | 1977f93d | Gerd Hoffmann | |
385 | 0132b4b6 | Hans de Goede | /* Submitting a new packet clears halt */
|
386 | 0132b4b6 | Hans de Goede | if (p->ep->halted) {
|
387 | 0132b4b6 | Hans de Goede | assert(QTAILQ_EMPTY(&p->ep->queue)); |
388 | 0132b4b6 | Hans de Goede | p->ep->halted = false;
|
389 | 0132b4b6 | Hans de Goede | } |
390 | 0132b4b6 | Hans de Goede | |
391 | 7936e0f0 | Gerd Hoffmann | if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline) {
|
392 | db4be873 | Gerd Hoffmann | ret = usb_process_one(p); |
393 | db4be873 | Gerd Hoffmann | if (ret == USB_RET_ASYNC) {
|
394 | db4be873 | Gerd Hoffmann | usb_packet_set_state(p, USB_PACKET_ASYNC); |
395 | db4be873 | Gerd Hoffmann | QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); |
396 | db4be873 | Gerd Hoffmann | } else {
|
397 | 0132b4b6 | Hans de Goede | /*
|
398 | 0132b4b6 | Hans de Goede | * When pipelining is enabled usb-devices must always return async,
|
399 | 0132b4b6 | Hans de Goede | * otherwise packets can complete out of order!
|
400 | 0132b4b6 | Hans de Goede | */
|
401 | 9c1f6765 | Hans de Goede | assert(!p->ep->pipeline || QTAILQ_EMPTY(&p->ep->queue)); |
402 | cc409974 | Hans de Goede | if (ret != USB_RET_NAK) {
|
403 | cc409974 | Hans de Goede | p->result = ret; |
404 | cc409974 | Hans de Goede | usb_packet_set_state(p, USB_PACKET_COMPLETE); |
405 | cc409974 | Hans de Goede | } |
406 | 1977f93d | Gerd Hoffmann | } |
407 | 1977f93d | Gerd Hoffmann | } else {
|
408 | db4be873 | Gerd Hoffmann | ret = USB_RET_ASYNC; |
409 | db4be873 | Gerd Hoffmann | usb_packet_set_state(p, USB_PACKET_QUEUED); |
410 | db4be873 | Gerd Hoffmann | QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); |
411 | 4ff658fb | Gerd Hoffmann | } |
412 | 53aa8c0e | Gerd Hoffmann | return ret;
|
413 | 89b9b79f | aliguori | } |
414 | 4ff658fb | Gerd Hoffmann | |
415 | 0132b4b6 | Hans de Goede | static void __usb_packet_complete(USBDevice *dev, USBPacket *p) |
416 | 0132b4b6 | Hans de Goede | { |
417 | 0132b4b6 | Hans de Goede | USBEndpoint *ep = p->ep; |
418 | 0132b4b6 | Hans de Goede | |
419 | 0132b4b6 | Hans de Goede | assert(p->result != USB_RET_ASYNC && p->result != USB_RET_NAK); |
420 | 0132b4b6 | Hans de Goede | |
421 | 0132b4b6 | Hans de Goede | if (p->result < 0) { |
422 | 0132b4b6 | Hans de Goede | ep->halted = true;
|
423 | 0132b4b6 | Hans de Goede | } |
424 | 0132b4b6 | Hans de Goede | usb_packet_set_state(p, USB_PACKET_COMPLETE); |
425 | 0132b4b6 | Hans de Goede | QTAILQ_REMOVE(&ep->queue, p, queue); |
426 | 0132b4b6 | Hans de Goede | dev->port->ops->complete(dev->port, p); |
427 | 0132b4b6 | Hans de Goede | } |
428 | 0132b4b6 | Hans de Goede | |
429 | 4ff658fb | Gerd Hoffmann | /* Notify the controller that an async packet is complete. This should only
|
430 | 4ff658fb | Gerd Hoffmann | be called for packets previously deferred by returning USB_RET_ASYNC from
|
431 | 4ff658fb | Gerd Hoffmann | handle_packet. */
|
432 | 4ff658fb | Gerd Hoffmann | void usb_packet_complete(USBDevice *dev, USBPacket *p)
|
433 | 4ff658fb | Gerd Hoffmann | { |
434 | db4be873 | Gerd Hoffmann | USBEndpoint *ep = p->ep; |
435 | db4be873 | Gerd Hoffmann | int ret;
|
436 | db4be873 | Gerd Hoffmann | |
437 | 5ac2731c | Gerd Hoffmann | usb_packet_check_state(p, USB_PACKET_ASYNC); |
438 | db4be873 | Gerd Hoffmann | assert(QTAILQ_FIRST(&ep->queue) == p); |
439 | 0132b4b6 | Hans de Goede | __usb_packet_complete(dev, p); |
440 | db4be873 | Gerd Hoffmann | |
441 | 0132b4b6 | Hans de Goede | while (!ep->halted && !QTAILQ_EMPTY(&ep->queue)) {
|
442 | db4be873 | Gerd Hoffmann | p = QTAILQ_FIRST(&ep->queue); |
443 | eb9d4673 | Gerd Hoffmann | if (p->state == USB_PACKET_ASYNC) {
|
444 | eb9d4673 | Gerd Hoffmann | break;
|
445 | eb9d4673 | Gerd Hoffmann | } |
446 | 5ac2731c | Gerd Hoffmann | usb_packet_check_state(p, USB_PACKET_QUEUED); |
447 | db4be873 | Gerd Hoffmann | ret = usb_process_one(p); |
448 | db4be873 | Gerd Hoffmann | if (ret == USB_RET_ASYNC) {
|
449 | db4be873 | Gerd Hoffmann | usb_packet_set_state(p, USB_PACKET_ASYNC); |
450 | db4be873 | Gerd Hoffmann | break;
|
451 | db4be873 | Gerd Hoffmann | } |
452 | db4be873 | Gerd Hoffmann | p->result = ret; |
453 | 0132b4b6 | Hans de Goede | __usb_packet_complete(ep->dev, p); |
454 | db4be873 | Gerd Hoffmann | } |
455 | 4ff658fb | Gerd Hoffmann | } |
456 | 4ff658fb | Gerd Hoffmann | |
457 | 4ff658fb | Gerd Hoffmann | /* Cancel an active packet. The packed must have been deferred by
|
458 | 4ff658fb | Gerd Hoffmann | returning USB_RET_ASYNC from handle_packet, and not yet
|
459 | 4ff658fb | Gerd Hoffmann | completed. */
|
460 | 4ff658fb | Gerd Hoffmann | void usb_cancel_packet(USBPacket * p)
|
461 | 4ff658fb | Gerd Hoffmann | { |
462 | db4be873 | Gerd Hoffmann | bool callback = (p->state == USB_PACKET_ASYNC);
|
463 | db4be873 | Gerd Hoffmann | assert(usb_packet_is_inflight(p)); |
464 | db4be873 | Gerd Hoffmann | usb_packet_set_state(p, USB_PACKET_CANCELED); |
465 | db4be873 | Gerd Hoffmann | QTAILQ_REMOVE(&p->ep->queue, p, queue); |
466 | db4be873 | Gerd Hoffmann | if (callback) {
|
467 | db4be873 | Gerd Hoffmann | usb_device_cancel_packet(p->ep->dev, p); |
468 | db4be873 | Gerd Hoffmann | } |
469 | 4ff658fb | Gerd Hoffmann | } |
470 | 4f4321c1 | Gerd Hoffmann | |
471 | 4f4321c1 | Gerd Hoffmann | |
472 | 4f4321c1 | Gerd Hoffmann | void usb_packet_init(USBPacket *p)
|
473 | 4f4321c1 | Gerd Hoffmann | { |
474 | 4f4321c1 | Gerd Hoffmann | qemu_iovec_init(&p->iov, 1);
|
475 | 4f4321c1 | Gerd Hoffmann | } |
476 | 4f4321c1 | Gerd Hoffmann | |
477 | 5ac2731c | Gerd Hoffmann | static const char *usb_packet_state_name(USBPacketState state) |
478 | db4be873 | Gerd Hoffmann | { |
479 | db4be873 | Gerd Hoffmann | static const char *name[] = { |
480 | db4be873 | Gerd Hoffmann | [USB_PACKET_UNDEFINED] = "undef",
|
481 | db4be873 | Gerd Hoffmann | [USB_PACKET_SETUP] = "setup",
|
482 | db4be873 | Gerd Hoffmann | [USB_PACKET_QUEUED] = "queued",
|
483 | db4be873 | Gerd Hoffmann | [USB_PACKET_ASYNC] = "async",
|
484 | db4be873 | Gerd Hoffmann | [USB_PACKET_COMPLETE] = "complete",
|
485 | db4be873 | Gerd Hoffmann | [USB_PACKET_CANCELED] = "canceled",
|
486 | db4be873 | Gerd Hoffmann | }; |
487 | 5ac2731c | Gerd Hoffmann | if (state < ARRAY_SIZE(name)) {
|
488 | 5ac2731c | Gerd Hoffmann | return name[state];
|
489 | 5ac2731c | Gerd Hoffmann | } |
490 | 5ac2731c | Gerd Hoffmann | return "INVALID"; |
491 | 5ac2731c | Gerd Hoffmann | } |
492 | 5ac2731c | Gerd Hoffmann | |
493 | 5ac2731c | Gerd Hoffmann | void usb_packet_check_state(USBPacket *p, USBPacketState expected)
|
494 | 5ac2731c | Gerd Hoffmann | { |
495 | 5ac2731c | Gerd Hoffmann | USBDevice *dev; |
496 | 5ac2731c | Gerd Hoffmann | USBBus *bus; |
497 | 5ac2731c | Gerd Hoffmann | |
498 | 5ac2731c | Gerd Hoffmann | if (p->state == expected) {
|
499 | 5ac2731c | Gerd Hoffmann | return;
|
500 | 5ac2731c | Gerd Hoffmann | } |
501 | 5ac2731c | Gerd Hoffmann | dev = p->ep->dev; |
502 | 5ac2731c | Gerd Hoffmann | bus = usb_bus_from_device(dev); |
503 | 5ac2731c | Gerd Hoffmann | trace_usb_packet_state_fault(bus->busnr, dev->port->path, p->ep->nr, p, |
504 | 5ac2731c | Gerd Hoffmann | usb_packet_state_name(p->state), |
505 | 5ac2731c | Gerd Hoffmann | usb_packet_state_name(expected)); |
506 | 5ac2731c | Gerd Hoffmann | assert(!"usb packet state check failed");
|
507 | 5ac2731c | Gerd Hoffmann | } |
508 | 5ac2731c | Gerd Hoffmann | |
509 | 5ac2731c | Gerd Hoffmann | void usb_packet_set_state(USBPacket *p, USBPacketState state)
|
510 | 5ac2731c | Gerd Hoffmann | { |
511 | f5bf14bf | Gerd Hoffmann | if (p->ep) {
|
512 | f5bf14bf | Gerd Hoffmann | USBDevice *dev = p->ep->dev; |
513 | f5bf14bf | Gerd Hoffmann | USBBus *bus = usb_bus_from_device(dev); |
514 | f5bf14bf | Gerd Hoffmann | trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p, |
515 | f5bf14bf | Gerd Hoffmann | usb_packet_state_name(p->state), |
516 | f5bf14bf | Gerd Hoffmann | usb_packet_state_name(state)); |
517 | f5bf14bf | Gerd Hoffmann | } else {
|
518 | f5bf14bf | Gerd Hoffmann | trace_usb_packet_state_change(-1, "", -1, p, |
519 | f5bf14bf | Gerd Hoffmann | usb_packet_state_name(p->state), |
520 | f5bf14bf | Gerd Hoffmann | usb_packet_state_name(state)); |
521 | f5bf14bf | Gerd Hoffmann | } |
522 | db4be873 | Gerd Hoffmann | p->state = state; |
523 | db4be873 | Gerd Hoffmann | } |
524 | db4be873 | Gerd Hoffmann | |
525 | e983395d | Gerd Hoffmann | void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep, uint64_t id) |
526 | 4f4321c1 | Gerd Hoffmann | { |
527 | f53c398a | Gerd Hoffmann | assert(!usb_packet_is_inflight(p)); |
528 | 0cc6a0f1 | Gerd Hoffmann | assert(p->iov.iov != NULL);
|
529 | e983395d | Gerd Hoffmann | p->id = id; |
530 | 4f4321c1 | Gerd Hoffmann | p->pid = pid; |
531 | 079d0b7f | Gerd Hoffmann | p->ep = ep; |
532 | 4f4321c1 | Gerd Hoffmann | p->result = 0;
|
533 | 1b4b29a1 | Gerd Hoffmann | p->parameter = 0;
|
534 | 4f4321c1 | Gerd Hoffmann | qemu_iovec_reset(&p->iov); |
535 | db4be873 | Gerd Hoffmann | usb_packet_set_state(p, USB_PACKET_SETUP); |
536 | 4f4321c1 | Gerd Hoffmann | } |
537 | 4f4321c1 | Gerd Hoffmann | |
538 | 4f4321c1 | Gerd Hoffmann | void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len) |
539 | 4f4321c1 | Gerd Hoffmann | { |
540 | 4f4321c1 | Gerd Hoffmann | qemu_iovec_add(&p->iov, ptr, len); |
541 | 4f4321c1 | Gerd Hoffmann | } |
542 | 4f4321c1 | Gerd Hoffmann | |
543 | 4f4321c1 | Gerd Hoffmann | void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes) |
544 | 4f4321c1 | Gerd Hoffmann | { |
545 | 4f4321c1 | Gerd Hoffmann | assert(p->result >= 0);
|
546 | 4f4321c1 | Gerd Hoffmann | assert(p->result + bytes <= p->iov.size); |
547 | 4f4321c1 | Gerd Hoffmann | switch (p->pid) {
|
548 | 4f4321c1 | Gerd Hoffmann | case USB_TOKEN_SETUP:
|
549 | 4f4321c1 | Gerd Hoffmann | case USB_TOKEN_OUT:
|
550 | dcf6f5e1 | Michael Tokarev | iov_to_buf(p->iov.iov, p->iov.niov, p->result, ptr, bytes); |
551 | 4f4321c1 | Gerd Hoffmann | break;
|
552 | 4f4321c1 | Gerd Hoffmann | case USB_TOKEN_IN:
|
553 | dcf6f5e1 | Michael Tokarev | iov_from_buf(p->iov.iov, p->iov.niov, p->result, ptr, bytes); |
554 | 4f4321c1 | Gerd Hoffmann | break;
|
555 | 4f4321c1 | Gerd Hoffmann | default:
|
556 | 4f4321c1 | Gerd Hoffmann | fprintf(stderr, "%s: invalid pid: %x\n", __func__, p->pid);
|
557 | 4f4321c1 | Gerd Hoffmann | abort(); |
558 | 4f4321c1 | Gerd Hoffmann | } |
559 | 4f4321c1 | Gerd Hoffmann | p->result += bytes; |
560 | 4f4321c1 | Gerd Hoffmann | } |
561 | 4f4321c1 | Gerd Hoffmann | |
562 | 4f4321c1 | Gerd Hoffmann | void usb_packet_skip(USBPacket *p, size_t bytes)
|
563 | 4f4321c1 | Gerd Hoffmann | { |
564 | 4f4321c1 | Gerd Hoffmann | assert(p->result >= 0);
|
565 | 4f4321c1 | Gerd Hoffmann | assert(p->result + bytes <= p->iov.size); |
566 | 4f4321c1 | Gerd Hoffmann | if (p->pid == USB_TOKEN_IN) {
|
567 | dcf6f5e1 | Michael Tokarev | iov_memset(p->iov.iov, p->iov.niov, p->result, 0, bytes);
|
568 | 4f4321c1 | Gerd Hoffmann | } |
569 | 4f4321c1 | Gerd Hoffmann | p->result += bytes; |
570 | 4f4321c1 | Gerd Hoffmann | } |
571 | 4f4321c1 | Gerd Hoffmann | |
572 | 4f4321c1 | Gerd Hoffmann | void usb_packet_cleanup(USBPacket *p)
|
573 | 4f4321c1 | Gerd Hoffmann | { |
574 | f53c398a | Gerd Hoffmann | assert(!usb_packet_is_inflight(p)); |
575 | 4f4321c1 | Gerd Hoffmann | qemu_iovec_destroy(&p->iov); |
576 | 4f4321c1 | Gerd Hoffmann | } |
577 | d8e17efd | Gerd Hoffmann | |
578 | 19deaa08 | Gerd Hoffmann | void usb_ep_reset(USBDevice *dev)
|
579 | d8e17efd | Gerd Hoffmann | { |
580 | d8e17efd | Gerd Hoffmann | int ep;
|
581 | d8e17efd | Gerd Hoffmann | |
582 | 63095ab5 | Gerd Hoffmann | dev->ep_ctl.nr = 0;
|
583 | 25d5de7d | Gerd Hoffmann | dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL; |
584 | 25d5de7d | Gerd Hoffmann | dev->ep_ctl.ifnum = 0;
|
585 | 25d5de7d | Gerd Hoffmann | dev->ep_ctl.dev = dev; |
586 | 7936e0f0 | Gerd Hoffmann | dev->ep_ctl.pipeline = false;
|
587 | d8e17efd | Gerd Hoffmann | for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { |
588 | 63095ab5 | Gerd Hoffmann | dev->ep_in[ep].nr = ep + 1;
|
589 | 63095ab5 | Gerd Hoffmann | dev->ep_out[ep].nr = ep + 1;
|
590 | 63095ab5 | Gerd Hoffmann | dev->ep_in[ep].pid = USB_TOKEN_IN; |
591 | 63095ab5 | Gerd Hoffmann | dev->ep_out[ep].pid = USB_TOKEN_OUT; |
592 | d8e17efd | Gerd Hoffmann | dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID; |
593 | d8e17efd | Gerd Hoffmann | dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID; |
594 | 7c37e6a4 | Gerd Hoffmann | dev->ep_in[ep].ifnum = USB_INTERFACE_INVALID; |
595 | 7c37e6a4 | Gerd Hoffmann | dev->ep_out[ep].ifnum = USB_INTERFACE_INVALID; |
596 | 25d5de7d | Gerd Hoffmann | dev->ep_in[ep].dev = dev; |
597 | 25d5de7d | Gerd Hoffmann | dev->ep_out[ep].dev = dev; |
598 | 7936e0f0 | Gerd Hoffmann | dev->ep_in[ep].pipeline = false;
|
599 | 7936e0f0 | Gerd Hoffmann | dev->ep_out[ep].pipeline = false;
|
600 | 19deaa08 | Gerd Hoffmann | } |
601 | 19deaa08 | Gerd Hoffmann | } |
602 | 19deaa08 | Gerd Hoffmann | |
603 | 19deaa08 | Gerd Hoffmann | void usb_ep_init(USBDevice *dev)
|
604 | 19deaa08 | Gerd Hoffmann | { |
605 | 19deaa08 | Gerd Hoffmann | int ep;
|
606 | 19deaa08 | Gerd Hoffmann | |
607 | 19deaa08 | Gerd Hoffmann | usb_ep_reset(dev); |
608 | 19deaa08 | Gerd Hoffmann | QTAILQ_INIT(&dev->ep_ctl.queue); |
609 | 19deaa08 | Gerd Hoffmann | for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { |
610 | db4be873 | Gerd Hoffmann | QTAILQ_INIT(&dev->ep_in[ep].queue); |
611 | db4be873 | Gerd Hoffmann | QTAILQ_INIT(&dev->ep_out[ep].queue); |
612 | d8e17efd | Gerd Hoffmann | } |
613 | d8e17efd | Gerd Hoffmann | } |
614 | d8e17efd | Gerd Hoffmann | |
615 | 5b6780d0 | Gerd Hoffmann | void usb_ep_dump(USBDevice *dev)
|
616 | 5b6780d0 | Gerd Hoffmann | { |
617 | 5b6780d0 | Gerd Hoffmann | static const char *tname[] = { |
618 | 5b6780d0 | Gerd Hoffmann | [USB_ENDPOINT_XFER_CONTROL] = "control",
|
619 | 5b6780d0 | Gerd Hoffmann | [USB_ENDPOINT_XFER_ISOC] = "isoc",
|
620 | 5b6780d0 | Gerd Hoffmann | [USB_ENDPOINT_XFER_BULK] = "bulk",
|
621 | 5b6780d0 | Gerd Hoffmann | [USB_ENDPOINT_XFER_INT] = "int",
|
622 | 5b6780d0 | Gerd Hoffmann | }; |
623 | 5b6780d0 | Gerd Hoffmann | int ifnum, ep, first;
|
624 | 5b6780d0 | Gerd Hoffmann | |
625 | 5b6780d0 | Gerd Hoffmann | fprintf(stderr, "Device \"%s\", config %d\n",
|
626 | 5b6780d0 | Gerd Hoffmann | dev->product_desc, dev->configuration); |
627 | 5b6780d0 | Gerd Hoffmann | for (ifnum = 0; ifnum < 16; ifnum++) { |
628 | 5b6780d0 | Gerd Hoffmann | first = 1;
|
629 | 5b6780d0 | Gerd Hoffmann | for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { |
630 | 5b6780d0 | Gerd Hoffmann | if (dev->ep_in[ep].type != USB_ENDPOINT_XFER_INVALID &&
|
631 | 5b6780d0 | Gerd Hoffmann | dev->ep_in[ep].ifnum == ifnum) { |
632 | 5b6780d0 | Gerd Hoffmann | if (first) {
|
633 | 5b6780d0 | Gerd Hoffmann | first = 0;
|
634 | 5b6780d0 | Gerd Hoffmann | fprintf(stderr, " Interface %d, alternative %d\n",
|
635 | 5b6780d0 | Gerd Hoffmann | ifnum, dev->altsetting[ifnum]); |
636 | 5b6780d0 | Gerd Hoffmann | } |
637 | f003397c | Gerd Hoffmann | fprintf(stderr, " Endpoint %d, IN, %s, %d max\n", ep,
|
638 | f003397c | Gerd Hoffmann | tname[dev->ep_in[ep].type], |
639 | f003397c | Gerd Hoffmann | dev->ep_in[ep].max_packet_size); |
640 | 5b6780d0 | Gerd Hoffmann | } |
641 | 5b6780d0 | Gerd Hoffmann | if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID &&
|
642 | 5b6780d0 | Gerd Hoffmann | dev->ep_out[ep].ifnum == ifnum) { |
643 | 5b6780d0 | Gerd Hoffmann | if (first) {
|
644 | 5b6780d0 | Gerd Hoffmann | first = 0;
|
645 | 5b6780d0 | Gerd Hoffmann | fprintf(stderr, " Interface %d, alternative %d\n",
|
646 | 5b6780d0 | Gerd Hoffmann | ifnum, dev->altsetting[ifnum]); |
647 | 5b6780d0 | Gerd Hoffmann | } |
648 | f003397c | Gerd Hoffmann | fprintf(stderr, " Endpoint %d, OUT, %s, %d max\n", ep,
|
649 | f003397c | Gerd Hoffmann | tname[dev->ep_out[ep].type], |
650 | f003397c | Gerd Hoffmann | dev->ep_out[ep].max_packet_size); |
651 | 5b6780d0 | Gerd Hoffmann | } |
652 | 5b6780d0 | Gerd Hoffmann | } |
653 | 5b6780d0 | Gerd Hoffmann | } |
654 | 5b6780d0 | Gerd Hoffmann | fprintf(stderr, "--\n");
|
655 | 5b6780d0 | Gerd Hoffmann | } |
656 | 5b6780d0 | Gerd Hoffmann | |
657 | d8e17efd | Gerd Hoffmann | struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep) |
658 | d8e17efd | Gerd Hoffmann | { |
659 | 079d0b7f | Gerd Hoffmann | struct USBEndpoint *eps;
|
660 | 079d0b7f | Gerd Hoffmann | |
661 | 079d0b7f | Gerd Hoffmann | if (dev == NULL) { |
662 | 079d0b7f | Gerd Hoffmann | return NULL; |
663 | 079d0b7f | Gerd Hoffmann | } |
664 | 079d0b7f | Gerd Hoffmann | eps = (pid == USB_TOKEN_IN) ? dev->ep_in : dev->ep_out; |
665 | 25d5de7d | Gerd Hoffmann | if (ep == 0) { |
666 | 25d5de7d | Gerd Hoffmann | return &dev->ep_ctl;
|
667 | 25d5de7d | Gerd Hoffmann | } |
668 | d8e17efd | Gerd Hoffmann | assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT); |
669 | d8e17efd | Gerd Hoffmann | assert(ep > 0 && ep <= USB_MAX_ENDPOINTS);
|
670 | d8e17efd | Gerd Hoffmann | return eps + ep - 1; |
671 | d8e17efd | Gerd Hoffmann | } |
672 | d8e17efd | Gerd Hoffmann | |
673 | d8e17efd | Gerd Hoffmann | uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep) |
674 | d8e17efd | Gerd Hoffmann | { |
675 | d8e17efd | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
676 | d8e17efd | Gerd Hoffmann | return uep->type;
|
677 | d8e17efd | Gerd Hoffmann | } |
678 | d8e17efd | Gerd Hoffmann | |
679 | d8e17efd | Gerd Hoffmann | void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type) |
680 | d8e17efd | Gerd Hoffmann | { |
681 | d8e17efd | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
682 | d8e17efd | Gerd Hoffmann | uep->type = type; |
683 | d8e17efd | Gerd Hoffmann | } |
684 | 82f02fe9 | Gerd Hoffmann | |
685 | 82f02fe9 | Gerd Hoffmann | uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep) |
686 | 82f02fe9 | Gerd Hoffmann | { |
687 | 82f02fe9 | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
688 | 82f02fe9 | Gerd Hoffmann | return uep->ifnum;
|
689 | 82f02fe9 | Gerd Hoffmann | } |
690 | 82f02fe9 | Gerd Hoffmann | |
691 | 82f02fe9 | Gerd Hoffmann | void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum) |
692 | 82f02fe9 | Gerd Hoffmann | { |
693 | 82f02fe9 | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
694 | 82f02fe9 | Gerd Hoffmann | uep->ifnum = ifnum; |
695 | 82f02fe9 | Gerd Hoffmann | } |
696 | f003397c | Gerd Hoffmann | |
697 | f003397c | Gerd Hoffmann | void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, |
698 | f003397c | Gerd Hoffmann | uint16_t raw) |
699 | f003397c | Gerd Hoffmann | { |
700 | f003397c | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
701 | f003397c | Gerd Hoffmann | int size, microframes;
|
702 | f003397c | Gerd Hoffmann | |
703 | f003397c | Gerd Hoffmann | size = raw & 0x7ff;
|
704 | f003397c | Gerd Hoffmann | switch ((raw >> 11) & 3) { |
705 | f003397c | Gerd Hoffmann | case 1: |
706 | f003397c | Gerd Hoffmann | microframes = 2;
|
707 | f003397c | Gerd Hoffmann | break;
|
708 | f003397c | Gerd Hoffmann | case 2: |
709 | f003397c | Gerd Hoffmann | microframes = 3;
|
710 | f003397c | Gerd Hoffmann | break;
|
711 | f003397c | Gerd Hoffmann | default:
|
712 | f003397c | Gerd Hoffmann | microframes = 1;
|
713 | f003397c | Gerd Hoffmann | break;
|
714 | f003397c | Gerd Hoffmann | } |
715 | f003397c | Gerd Hoffmann | uep->max_packet_size = size * microframes; |
716 | f003397c | Gerd Hoffmann | } |
717 | f003397c | Gerd Hoffmann | |
718 | f003397c | Gerd Hoffmann | int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep) |
719 | f003397c | Gerd Hoffmann | { |
720 | f003397c | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
721 | f003397c | Gerd Hoffmann | return uep->max_packet_size;
|
722 | f003397c | Gerd Hoffmann | } |
723 | 7936e0f0 | Gerd Hoffmann | |
724 | 7936e0f0 | Gerd Hoffmann | void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled) |
725 | 7936e0f0 | Gerd Hoffmann | { |
726 | 7936e0f0 | Gerd Hoffmann | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
727 | 7936e0f0 | Gerd Hoffmann | uep->pipeline = enabled; |
728 | 7936e0f0 | Gerd Hoffmann | } |
729 | c13a9e61 | Hans de Goede | |
730 | c13a9e61 | Hans de Goede | USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, |
731 | c13a9e61 | Hans de Goede | uint64_t id) |
732 | c13a9e61 | Hans de Goede | { |
733 | c13a9e61 | Hans de Goede | struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
|
734 | c13a9e61 | Hans de Goede | USBPacket *p; |
735 | c13a9e61 | Hans de Goede | |
736 | c13a9e61 | Hans de Goede | while ((p = QTAILQ_FIRST(&uep->queue)) != NULL) { |
737 | c13a9e61 | Hans de Goede | if (p->id == id) {
|
738 | c13a9e61 | Hans de Goede | return p;
|
739 | c13a9e61 | Hans de Goede | } |
740 | c13a9e61 | Hans de Goede | } |
741 | c13a9e61 | Hans de Goede | |
742 | c13a9e61 | Hans de Goede | return NULL; |
743 | c13a9e61 | Hans de Goede | } |