1f1ae32a1SGerd Hoffmann /* 2f1ae32a1SGerd Hoffmann * QEMU USB emulation 3f1ae32a1SGerd Hoffmann * 4f1ae32a1SGerd Hoffmann * Copyright (c) 2005 Fabrice Bellard 5f1ae32a1SGerd Hoffmann * 6f1ae32a1SGerd Hoffmann * 2008 Generic packet handler rewrite by Max Krasnyansky 7f1ae32a1SGerd Hoffmann * 8f1ae32a1SGerd Hoffmann * Permission is hereby granted, free of charge, to any person obtaining a copy 9f1ae32a1SGerd Hoffmann * of this software and associated documentation files (the "Software"), to deal 10f1ae32a1SGerd Hoffmann * in the Software without restriction, including without limitation the rights 11f1ae32a1SGerd Hoffmann * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12f1ae32a1SGerd Hoffmann * copies of the Software, and to permit persons to whom the Software is 13f1ae32a1SGerd Hoffmann * furnished to do so, subject to the following conditions: 14f1ae32a1SGerd Hoffmann * 15f1ae32a1SGerd Hoffmann * The above copyright notice and this permission notice shall be included in 16f1ae32a1SGerd Hoffmann * all copies or substantial portions of the Software. 17f1ae32a1SGerd Hoffmann * 18f1ae32a1SGerd Hoffmann * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19f1ae32a1SGerd Hoffmann * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20f1ae32a1SGerd Hoffmann * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21f1ae32a1SGerd Hoffmann * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22f1ae32a1SGerd Hoffmann * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23f1ae32a1SGerd Hoffmann * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24f1ae32a1SGerd Hoffmann * THE SOFTWARE. 25f1ae32a1SGerd Hoffmann */ 26f1ae32a1SGerd Hoffmann #include "qemu-common.h" 27f1ae32a1SGerd Hoffmann #include "hw/usb.h" 281de7afc9SPaolo Bonzini #include "qemu/iov.h" 29f1ae32a1SGerd Hoffmann #include "trace.h" 30f1ae32a1SGerd Hoffmann 31f1ae32a1SGerd Hoffmann void usb_attach(USBPort *port) 32f1ae32a1SGerd Hoffmann { 33f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 34f1ae32a1SGerd Hoffmann 35f1ae32a1SGerd Hoffmann assert(dev != NULL); 36f1ae32a1SGerd Hoffmann assert(dev->attached); 37f1ae32a1SGerd Hoffmann assert(dev->state == USB_STATE_NOTATTACHED); 38f1ae32a1SGerd Hoffmann port->ops->attach(port); 39f1ae32a1SGerd Hoffmann dev->state = USB_STATE_ATTACHED; 40f1ae32a1SGerd Hoffmann usb_device_handle_attach(dev); 41f1ae32a1SGerd Hoffmann } 42f1ae32a1SGerd Hoffmann 43f1ae32a1SGerd Hoffmann void usb_detach(USBPort *port) 44f1ae32a1SGerd Hoffmann { 45f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 46f1ae32a1SGerd Hoffmann 47f1ae32a1SGerd Hoffmann assert(dev != NULL); 48f1ae32a1SGerd Hoffmann assert(dev->state != USB_STATE_NOTATTACHED); 49f1ae32a1SGerd Hoffmann port->ops->detach(port); 50f1ae32a1SGerd Hoffmann dev->state = USB_STATE_NOTATTACHED; 51f1ae32a1SGerd Hoffmann } 52f1ae32a1SGerd Hoffmann 53f1ae32a1SGerd Hoffmann void usb_port_reset(USBPort *port) 54f1ae32a1SGerd Hoffmann { 55f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 56f1ae32a1SGerd Hoffmann 57f1ae32a1SGerd Hoffmann assert(dev != NULL); 58f1ae32a1SGerd Hoffmann usb_detach(port); 59f1ae32a1SGerd Hoffmann usb_attach(port); 60f1ae32a1SGerd Hoffmann usb_device_reset(dev); 61f1ae32a1SGerd Hoffmann } 62f1ae32a1SGerd Hoffmann 63f1ae32a1SGerd Hoffmann void usb_device_reset(USBDevice *dev) 64f1ae32a1SGerd Hoffmann { 65f1ae32a1SGerd Hoffmann if (dev == NULL || !dev->attached) { 66f1ae32a1SGerd Hoffmann return; 67f1ae32a1SGerd Hoffmann } 68f1ae32a1SGerd Hoffmann dev->remote_wakeup = 0; 69f1ae32a1SGerd Hoffmann dev->addr = 0; 70f1ae32a1SGerd Hoffmann dev->state = USB_STATE_DEFAULT; 71f1ae32a1SGerd Hoffmann usb_device_handle_reset(dev); 72f1ae32a1SGerd Hoffmann } 73f1ae32a1SGerd Hoffmann 74f1ae32a1SGerd Hoffmann void usb_wakeup(USBEndpoint *ep) 75f1ae32a1SGerd Hoffmann { 76f1ae32a1SGerd Hoffmann USBDevice *dev = ep->dev; 77f1ae32a1SGerd Hoffmann USBBus *bus = usb_bus_from_device(dev); 78f1ae32a1SGerd Hoffmann 79f1ae32a1SGerd Hoffmann if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) { 80f1ae32a1SGerd Hoffmann dev->port->ops->wakeup(dev->port); 81f1ae32a1SGerd Hoffmann } 82f1ae32a1SGerd Hoffmann if (bus->ops->wakeup_endpoint) { 83f1ae32a1SGerd Hoffmann bus->ops->wakeup_endpoint(bus, ep); 84f1ae32a1SGerd Hoffmann } 85f1ae32a1SGerd Hoffmann } 86f1ae32a1SGerd Hoffmann 87f1ae32a1SGerd Hoffmann /**********************/ 88f1ae32a1SGerd Hoffmann 89f1ae32a1SGerd Hoffmann /* generic USB device helpers (you are not forced to use them when 90f1ae32a1SGerd Hoffmann writing your USB device driver, but they help handling the 91f1ae32a1SGerd Hoffmann protocol) 92f1ae32a1SGerd Hoffmann */ 93f1ae32a1SGerd Hoffmann 94f1ae32a1SGerd Hoffmann #define SETUP_STATE_IDLE 0 95f1ae32a1SGerd Hoffmann #define SETUP_STATE_SETUP 1 96f1ae32a1SGerd Hoffmann #define SETUP_STATE_DATA 2 97f1ae32a1SGerd Hoffmann #define SETUP_STATE_ACK 3 98f1ae32a1SGerd Hoffmann #define SETUP_STATE_PARAM 4 99f1ae32a1SGerd Hoffmann 1009a77a0f5SHans de Goede static void do_token_setup(USBDevice *s, USBPacket *p) 101f1ae32a1SGerd Hoffmann { 102f1ae32a1SGerd Hoffmann int request, value, index; 103f1ae32a1SGerd Hoffmann 104f1ae32a1SGerd Hoffmann if (p->iov.size != 8) { 1059a77a0f5SHans de Goede p->status = USB_RET_STALL; 1069a77a0f5SHans de Goede return; 107f1ae32a1SGerd Hoffmann } 108f1ae32a1SGerd Hoffmann 109f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->setup_buf, p->iov.size); 1109a77a0f5SHans de Goede p->actual_length = 0; 111f1ae32a1SGerd Hoffmann s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; 112f1ae32a1SGerd Hoffmann s->setup_index = 0; 113f1ae32a1SGerd Hoffmann 114f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 115f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 116f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 117f1ae32a1SGerd Hoffmann 118f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 1199a77a0f5SHans de Goede usb_device_handle_control(s, p, request, value, index, 120f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 1219a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 122f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_SETUP; 123f1ae32a1SGerd Hoffmann } 1249a77a0f5SHans de Goede if (p->status != USB_RET_SUCCESS) { 1259a77a0f5SHans de Goede return; 1269a77a0f5SHans de Goede } 127f1ae32a1SGerd Hoffmann 1289a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 1299a77a0f5SHans de Goede s->setup_len = p->actual_length; 1309a77a0f5SHans de Goede } 131f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 132f1ae32a1SGerd Hoffmann } else { 133f1ae32a1SGerd Hoffmann if (s->setup_len > sizeof(s->data_buf)) { 134f1ae32a1SGerd Hoffmann fprintf(stderr, 135f1ae32a1SGerd Hoffmann "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n", 136f1ae32a1SGerd Hoffmann s->setup_len, sizeof(s->data_buf)); 1379a77a0f5SHans de Goede p->status = USB_RET_STALL; 1389a77a0f5SHans de Goede return; 139f1ae32a1SGerd Hoffmann } 140f1ae32a1SGerd Hoffmann if (s->setup_len == 0) 141f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 142f1ae32a1SGerd Hoffmann else 143f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 144f1ae32a1SGerd Hoffmann } 145f1ae32a1SGerd Hoffmann 1469a77a0f5SHans de Goede p->actual_length = 8; 147f1ae32a1SGerd Hoffmann } 148f1ae32a1SGerd Hoffmann 1499a77a0f5SHans de Goede static void do_token_in(USBDevice *s, USBPacket *p) 150f1ae32a1SGerd Hoffmann { 151f1ae32a1SGerd Hoffmann int request, value, index; 152f1ae32a1SGerd Hoffmann 153f1ae32a1SGerd Hoffmann assert(p->ep->nr == 0); 154f1ae32a1SGerd Hoffmann 155f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 156f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 157f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 158f1ae32a1SGerd Hoffmann 159f1ae32a1SGerd Hoffmann switch(s->setup_state) { 160f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 161f1ae32a1SGerd Hoffmann if (!(s->setup_buf[0] & USB_DIR_IN)) { 1629a77a0f5SHans de Goede usb_device_handle_control(s, p, request, value, index, 163f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 1649a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 1659a77a0f5SHans de Goede return; 166f1ae32a1SGerd Hoffmann } 167f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 1689a77a0f5SHans de Goede p->actual_length = 0; 169f1ae32a1SGerd Hoffmann } 1709a77a0f5SHans de Goede break; 171f1ae32a1SGerd Hoffmann 172f1ae32a1SGerd Hoffmann case SETUP_STATE_DATA: 173f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 174f1ae32a1SGerd Hoffmann int len = s->setup_len - s->setup_index; 175f1ae32a1SGerd Hoffmann if (len > p->iov.size) { 176f1ae32a1SGerd Hoffmann len = p->iov.size; 177f1ae32a1SGerd Hoffmann } 178f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf + s->setup_index, len); 179f1ae32a1SGerd Hoffmann s->setup_index += len; 1809a77a0f5SHans de Goede if (s->setup_index >= s->setup_len) { 181f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 182f1ae32a1SGerd Hoffmann } 1839a77a0f5SHans de Goede return; 1849a77a0f5SHans de Goede } 185f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 1869a77a0f5SHans de Goede p->status = USB_RET_STALL; 1879a77a0f5SHans de Goede break; 188f1ae32a1SGerd Hoffmann 189f1ae32a1SGerd Hoffmann default: 1909a77a0f5SHans de Goede p->status = USB_RET_STALL; 191f1ae32a1SGerd Hoffmann } 192f1ae32a1SGerd Hoffmann } 193f1ae32a1SGerd Hoffmann 1949a77a0f5SHans de Goede static void do_token_out(USBDevice *s, USBPacket *p) 195f1ae32a1SGerd Hoffmann { 196f1ae32a1SGerd Hoffmann assert(p->ep->nr == 0); 197f1ae32a1SGerd Hoffmann 198f1ae32a1SGerd Hoffmann switch(s->setup_state) { 199f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 200f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 201f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 202f1ae32a1SGerd Hoffmann /* transfer OK */ 203f1ae32a1SGerd Hoffmann } else { 204f1ae32a1SGerd Hoffmann /* ignore additional output */ 205f1ae32a1SGerd Hoffmann } 2069a77a0f5SHans de Goede break; 207f1ae32a1SGerd Hoffmann 208f1ae32a1SGerd Hoffmann case SETUP_STATE_DATA: 209f1ae32a1SGerd Hoffmann if (!(s->setup_buf[0] & USB_DIR_IN)) { 210f1ae32a1SGerd Hoffmann int len = s->setup_len - s->setup_index; 211f1ae32a1SGerd Hoffmann if (len > p->iov.size) { 212f1ae32a1SGerd Hoffmann len = p->iov.size; 213f1ae32a1SGerd Hoffmann } 214f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf + s->setup_index, len); 215f1ae32a1SGerd Hoffmann s->setup_index += len; 2169a77a0f5SHans de Goede if (s->setup_index >= s->setup_len) { 217f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 218f1ae32a1SGerd Hoffmann } 2199a77a0f5SHans de Goede return; 2209a77a0f5SHans de Goede } 221f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 2229a77a0f5SHans de Goede p->status = USB_RET_STALL; 2239a77a0f5SHans de Goede break; 224f1ae32a1SGerd Hoffmann 225f1ae32a1SGerd Hoffmann default: 2269a77a0f5SHans de Goede p->status = USB_RET_STALL; 227f1ae32a1SGerd Hoffmann } 228f1ae32a1SGerd Hoffmann } 229f1ae32a1SGerd Hoffmann 2309a77a0f5SHans de Goede static void do_parameter(USBDevice *s, USBPacket *p) 231f1ae32a1SGerd Hoffmann { 2329a77a0f5SHans de Goede int i, request, value, index; 233f1ae32a1SGerd Hoffmann 234f1ae32a1SGerd Hoffmann for (i = 0; i < 8; i++) { 235f1ae32a1SGerd Hoffmann s->setup_buf[i] = p->parameter >> (i*8); 236f1ae32a1SGerd Hoffmann } 237f1ae32a1SGerd Hoffmann 238f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_PARAM; 239f1ae32a1SGerd Hoffmann s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; 240f1ae32a1SGerd Hoffmann s->setup_index = 0; 241f1ae32a1SGerd Hoffmann 242f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 243f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 244f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 245f1ae32a1SGerd Hoffmann 246f1ae32a1SGerd Hoffmann if (s->setup_len > sizeof(s->data_buf)) { 247f1ae32a1SGerd Hoffmann fprintf(stderr, 248f1ae32a1SGerd Hoffmann "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n", 249f1ae32a1SGerd Hoffmann s->setup_len, sizeof(s->data_buf)); 2509a77a0f5SHans de Goede p->status = USB_RET_STALL; 2519a77a0f5SHans de Goede return; 252f1ae32a1SGerd Hoffmann } 253f1ae32a1SGerd Hoffmann 254f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_OUT) { 255f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 256f1ae32a1SGerd Hoffmann } 257f1ae32a1SGerd Hoffmann 2589a77a0f5SHans de Goede usb_device_handle_control(s, p, request, value, index, 259f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 2609a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 2619a77a0f5SHans de Goede return; 262f1ae32a1SGerd Hoffmann } 263f1ae32a1SGerd Hoffmann 2649a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 2659a77a0f5SHans de Goede s->setup_len = p->actual_length; 266f1ae32a1SGerd Hoffmann } 267f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 2689a77a0f5SHans de Goede p->actual_length = 0; 269f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 270f1ae32a1SGerd Hoffmann } 271f1ae32a1SGerd Hoffmann } 272f1ae32a1SGerd Hoffmann 273f1ae32a1SGerd Hoffmann /* ctrl complete function for devices which use usb_generic_handle_packet and 274f1ae32a1SGerd Hoffmann may return USB_RET_ASYNC from their handle_control callback. Device code 275f1ae32a1SGerd Hoffmann which does this *must* call this function instead of the normal 276f1ae32a1SGerd Hoffmann usb_packet_complete to complete their async control packets. */ 277f1ae32a1SGerd Hoffmann void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p) 278f1ae32a1SGerd Hoffmann { 2799a77a0f5SHans de Goede if (p->status < 0) { 280f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 281f1ae32a1SGerd Hoffmann } 282f1ae32a1SGerd Hoffmann 283f1ae32a1SGerd Hoffmann switch (s->setup_state) { 284f1ae32a1SGerd Hoffmann case SETUP_STATE_SETUP: 2859a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 2869a77a0f5SHans de Goede s->setup_len = p->actual_length; 287f1ae32a1SGerd Hoffmann } 288f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 2899a77a0f5SHans de Goede p->actual_length = 8; 290f1ae32a1SGerd Hoffmann break; 291f1ae32a1SGerd Hoffmann 292f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 293f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 2949a77a0f5SHans de Goede p->actual_length = 0; 295f1ae32a1SGerd Hoffmann break; 296f1ae32a1SGerd Hoffmann 297f1ae32a1SGerd Hoffmann case SETUP_STATE_PARAM: 2989a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 2999a77a0f5SHans de Goede s->setup_len = p->actual_length; 300f1ae32a1SGerd Hoffmann } 301f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 3029a77a0f5SHans de Goede p->actual_length = 0; 303f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 304f1ae32a1SGerd Hoffmann } 305f1ae32a1SGerd Hoffmann break; 306f1ae32a1SGerd Hoffmann 307f1ae32a1SGerd Hoffmann default: 308f1ae32a1SGerd Hoffmann break; 309f1ae32a1SGerd Hoffmann } 310f1ae32a1SGerd Hoffmann usb_packet_complete(s, p); 311f1ae32a1SGerd Hoffmann } 312f1ae32a1SGerd Hoffmann 313f1ae32a1SGerd Hoffmann /* XXX: fix overflow */ 314f1ae32a1SGerd Hoffmann int set_usb_string(uint8_t *buf, const char *str) 315f1ae32a1SGerd Hoffmann { 316f1ae32a1SGerd Hoffmann int len, i; 317f1ae32a1SGerd Hoffmann uint8_t *q; 318f1ae32a1SGerd Hoffmann 319f1ae32a1SGerd Hoffmann q = buf; 320f1ae32a1SGerd Hoffmann len = strlen(str); 321f1ae32a1SGerd Hoffmann *q++ = 2 * len + 2; 322f1ae32a1SGerd Hoffmann *q++ = 3; 323f1ae32a1SGerd Hoffmann for(i = 0; i < len; i++) { 324f1ae32a1SGerd Hoffmann *q++ = str[i]; 325f1ae32a1SGerd Hoffmann *q++ = 0; 326f1ae32a1SGerd Hoffmann } 327f1ae32a1SGerd Hoffmann return q - buf; 328f1ae32a1SGerd Hoffmann } 329f1ae32a1SGerd Hoffmann 330f1ae32a1SGerd Hoffmann USBDevice *usb_find_device(USBPort *port, uint8_t addr) 331f1ae32a1SGerd Hoffmann { 332f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 333f1ae32a1SGerd Hoffmann 334f1ae32a1SGerd Hoffmann if (dev == NULL || !dev->attached || dev->state != USB_STATE_DEFAULT) { 335f1ae32a1SGerd Hoffmann return NULL; 336f1ae32a1SGerd Hoffmann } 337f1ae32a1SGerd Hoffmann if (dev->addr == addr) { 338f1ae32a1SGerd Hoffmann return dev; 339f1ae32a1SGerd Hoffmann } 340f1ae32a1SGerd Hoffmann return usb_device_find_device(dev, addr); 341f1ae32a1SGerd Hoffmann } 342f1ae32a1SGerd Hoffmann 3439a77a0f5SHans de Goede static void usb_process_one(USBPacket *p) 344f1ae32a1SGerd Hoffmann { 345f1ae32a1SGerd Hoffmann USBDevice *dev = p->ep->dev; 346f1ae32a1SGerd Hoffmann 3479a77a0f5SHans de Goede /* 3489a77a0f5SHans de Goede * Handlers expect status to be initialized to USB_RET_SUCCESS, but it 3499a77a0f5SHans de Goede * can be USB_RET_NAK here from a previous usb_process_one() call, 3509a77a0f5SHans de Goede * or USB_RET_ASYNC from going through usb_queue_one(). 3519a77a0f5SHans de Goede */ 3529a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; 3539a77a0f5SHans de Goede 354f1ae32a1SGerd Hoffmann if (p->ep->nr == 0) { 355f1ae32a1SGerd Hoffmann /* control pipe */ 356f1ae32a1SGerd Hoffmann if (p->parameter) { 3579a77a0f5SHans de Goede do_parameter(dev, p); 3589a77a0f5SHans de Goede return; 359f1ae32a1SGerd Hoffmann } 360f1ae32a1SGerd Hoffmann switch (p->pid) { 361f1ae32a1SGerd Hoffmann case USB_TOKEN_SETUP: 3629a77a0f5SHans de Goede do_token_setup(dev, p); 3639a77a0f5SHans de Goede break; 364f1ae32a1SGerd Hoffmann case USB_TOKEN_IN: 3659a77a0f5SHans de Goede do_token_in(dev, p); 3669a77a0f5SHans de Goede break; 367f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT: 3689a77a0f5SHans de Goede do_token_out(dev, p); 3699a77a0f5SHans de Goede break; 370f1ae32a1SGerd Hoffmann default: 3719a77a0f5SHans de Goede p->status = USB_RET_STALL; 372f1ae32a1SGerd Hoffmann } 373f1ae32a1SGerd Hoffmann } else { 374f1ae32a1SGerd Hoffmann /* data pipe */ 3759a77a0f5SHans de Goede usb_device_handle_data(dev, p); 376f1ae32a1SGerd Hoffmann } 377f1ae32a1SGerd Hoffmann } 378f1ae32a1SGerd Hoffmann 3799a77a0f5SHans de Goede static void usb_queue_one(USBPacket *p) 3809a77a0f5SHans de Goede { 3819a77a0f5SHans de Goede usb_packet_set_state(p, USB_PACKET_QUEUED); 3829a77a0f5SHans de Goede QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); 3839a77a0f5SHans de Goede p->status = USB_RET_ASYNC; 3849a77a0f5SHans de Goede } 3859a77a0f5SHans de Goede 3869a77a0f5SHans de Goede /* Hand over a packet to a device for processing. p->status == 387f1ae32a1SGerd Hoffmann USB_RET_ASYNC indicates the processing isn't finished yet, the 388f1ae32a1SGerd Hoffmann driver will call usb_packet_complete() when done processing it. */ 3899a77a0f5SHans de Goede void usb_handle_packet(USBDevice *dev, USBPacket *p) 390f1ae32a1SGerd Hoffmann { 391f1ae32a1SGerd Hoffmann if (dev == NULL) { 3929a77a0f5SHans de Goede p->status = USB_RET_NODEV; 3939a77a0f5SHans de Goede return; 394f1ae32a1SGerd Hoffmann } 395f1ae32a1SGerd Hoffmann assert(dev == p->ep->dev); 396f1ae32a1SGerd Hoffmann assert(dev->state == USB_STATE_DEFAULT); 3975ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_SETUP); 398f1ae32a1SGerd Hoffmann assert(p->ep != NULL); 399f1ae32a1SGerd Hoffmann 4000132b4b6SHans de Goede /* Submitting a new packet clears halt */ 4010132b4b6SHans de Goede if (p->ep->halted) { 4020132b4b6SHans de Goede assert(QTAILQ_EMPTY(&p->ep->queue)); 4030132b4b6SHans de Goede p->ep->halted = false; 4040132b4b6SHans de Goede } 4050132b4b6SHans de Goede 406f1ae32a1SGerd Hoffmann if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline) { 4079a77a0f5SHans de Goede usb_process_one(p); 4089a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 409be41efdeSHans de Goede /* hcd drivers cannot handle async for isoc */ 410aaac7434SHans de Goede assert(p->ep->type != USB_ENDPOINT_XFER_ISOC); 411be41efdeSHans de Goede /* using async for interrupt packets breaks migration */ 412be41efdeSHans de Goede assert(p->ep->type != USB_ENDPOINT_XFER_INT || 413be41efdeSHans de Goede (dev->flags & USB_DEV_FLAG_IS_HOST)); 414f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_ASYNC); 415f1ae32a1SGerd Hoffmann QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); 4169a77a0f5SHans de Goede } else if (p->status == USB_RET_ADD_TO_QUEUE) { 4179a77a0f5SHans de Goede usb_queue_one(p); 418f1ae32a1SGerd Hoffmann } else { 4190132b4b6SHans de Goede /* 4200132b4b6SHans de Goede * When pipelining is enabled usb-devices must always return async, 4210132b4b6SHans de Goede * otherwise packets can complete out of order! 4220132b4b6SHans de Goede */ 4239c1f6765SHans de Goede assert(!p->ep->pipeline || QTAILQ_EMPTY(&p->ep->queue)); 4249a77a0f5SHans de Goede if (p->status != USB_RET_NAK) { 425f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_COMPLETE); 426f1ae32a1SGerd Hoffmann } 427cc409974SHans de Goede } 428f1ae32a1SGerd Hoffmann } else { 4299a77a0f5SHans de Goede usb_queue_one(p); 430f1ae32a1SGerd Hoffmann } 431f1ae32a1SGerd Hoffmann } 432f1ae32a1SGerd Hoffmann 433d0ff81b8SHans de Goede void usb_packet_complete_one(USBDevice *dev, USBPacket *p) 4340132b4b6SHans de Goede { 4350132b4b6SHans de Goede USBEndpoint *ep = p->ep; 4360132b4b6SHans de Goede 437d0ff81b8SHans de Goede assert(QTAILQ_FIRST(&ep->queue) == p); 4389a77a0f5SHans de Goede assert(p->status != USB_RET_ASYNC && p->status != USB_RET_NAK); 4390132b4b6SHans de Goede 4409a77a0f5SHans de Goede if (p->status != USB_RET_SUCCESS || 4419a77a0f5SHans de Goede (p->short_not_ok && (p->actual_length < p->iov.size))) { 4420132b4b6SHans de Goede ep->halted = true; 4430132b4b6SHans de Goede } 4440132b4b6SHans de Goede usb_packet_set_state(p, USB_PACKET_COMPLETE); 4450132b4b6SHans de Goede QTAILQ_REMOVE(&ep->queue, p, queue); 4460132b4b6SHans de Goede dev->port->ops->complete(dev->port, p); 4470132b4b6SHans de Goede } 4480132b4b6SHans de Goede 449f1ae32a1SGerd Hoffmann /* Notify the controller that an async packet is complete. This should only 450f1ae32a1SGerd Hoffmann be called for packets previously deferred by returning USB_RET_ASYNC from 451f1ae32a1SGerd Hoffmann handle_packet. */ 452f1ae32a1SGerd Hoffmann void usb_packet_complete(USBDevice *dev, USBPacket *p) 453f1ae32a1SGerd Hoffmann { 454f1ae32a1SGerd Hoffmann USBEndpoint *ep = p->ep; 455f1ae32a1SGerd Hoffmann 4565ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_ASYNC); 457d0ff81b8SHans de Goede usb_packet_complete_one(dev, p); 458f1ae32a1SGerd Hoffmann 4590cae7b1aSHans de Goede while (!QTAILQ_EMPTY(&ep->queue)) { 460f1ae32a1SGerd Hoffmann p = QTAILQ_FIRST(&ep->queue); 4610cae7b1aSHans de Goede if (ep->halted) { 4620cae7b1aSHans de Goede /* Empty the queue on a halt */ 4639a77a0f5SHans de Goede p->status = USB_RET_REMOVE_FROM_QUEUE; 4640cae7b1aSHans de Goede dev->port->ops->complete(dev->port, p); 4650cae7b1aSHans de Goede continue; 4660cae7b1aSHans de Goede } 467f1ae32a1SGerd Hoffmann if (p->state == USB_PACKET_ASYNC) { 468f1ae32a1SGerd Hoffmann break; 469f1ae32a1SGerd Hoffmann } 4705ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_QUEUED); 4719a77a0f5SHans de Goede usb_process_one(p); 4729a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 473f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_ASYNC); 474f1ae32a1SGerd Hoffmann break; 475f1ae32a1SGerd Hoffmann } 476d0ff81b8SHans de Goede usb_packet_complete_one(ep->dev, p); 477f1ae32a1SGerd Hoffmann } 478f1ae32a1SGerd Hoffmann } 479f1ae32a1SGerd Hoffmann 480f1ae32a1SGerd Hoffmann /* Cancel an active packet. The packed must have been deferred by 481f1ae32a1SGerd Hoffmann returning USB_RET_ASYNC from handle_packet, and not yet 482f1ae32a1SGerd Hoffmann completed. */ 483f1ae32a1SGerd Hoffmann void usb_cancel_packet(USBPacket * p) 484f1ae32a1SGerd Hoffmann { 485f1ae32a1SGerd Hoffmann bool callback = (p->state == USB_PACKET_ASYNC); 486f1ae32a1SGerd Hoffmann assert(usb_packet_is_inflight(p)); 487f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_CANCELED); 488f1ae32a1SGerd Hoffmann QTAILQ_REMOVE(&p->ep->queue, p, queue); 489f1ae32a1SGerd Hoffmann if (callback) { 490f1ae32a1SGerd Hoffmann usb_device_cancel_packet(p->ep->dev, p); 491f1ae32a1SGerd Hoffmann } 492f1ae32a1SGerd Hoffmann } 493f1ae32a1SGerd Hoffmann 494f1ae32a1SGerd Hoffmann 495f1ae32a1SGerd Hoffmann void usb_packet_init(USBPacket *p) 496f1ae32a1SGerd Hoffmann { 497f1ae32a1SGerd Hoffmann qemu_iovec_init(&p->iov, 1); 498f1ae32a1SGerd Hoffmann } 499f1ae32a1SGerd Hoffmann 5005ac2731cSGerd Hoffmann static const char *usb_packet_state_name(USBPacketState state) 501f1ae32a1SGerd Hoffmann { 502f1ae32a1SGerd Hoffmann static const char *name[] = { 503f1ae32a1SGerd Hoffmann [USB_PACKET_UNDEFINED] = "undef", 504f1ae32a1SGerd Hoffmann [USB_PACKET_SETUP] = "setup", 505f1ae32a1SGerd Hoffmann [USB_PACKET_QUEUED] = "queued", 506f1ae32a1SGerd Hoffmann [USB_PACKET_ASYNC] = "async", 507f1ae32a1SGerd Hoffmann [USB_PACKET_COMPLETE] = "complete", 508f1ae32a1SGerd Hoffmann [USB_PACKET_CANCELED] = "canceled", 509f1ae32a1SGerd Hoffmann }; 5105ac2731cSGerd Hoffmann if (state < ARRAY_SIZE(name)) { 5115ac2731cSGerd Hoffmann return name[state]; 5125ac2731cSGerd Hoffmann } 5135ac2731cSGerd Hoffmann return "INVALID"; 5145ac2731cSGerd Hoffmann } 5155ac2731cSGerd Hoffmann 5165ac2731cSGerd Hoffmann void usb_packet_check_state(USBPacket *p, USBPacketState expected) 5175ac2731cSGerd Hoffmann { 5185ac2731cSGerd Hoffmann USBDevice *dev; 5195ac2731cSGerd Hoffmann USBBus *bus; 5205ac2731cSGerd Hoffmann 5215ac2731cSGerd Hoffmann if (p->state == expected) { 5225ac2731cSGerd Hoffmann return; 5235ac2731cSGerd Hoffmann } 5245ac2731cSGerd Hoffmann dev = p->ep->dev; 5255ac2731cSGerd Hoffmann bus = usb_bus_from_device(dev); 5265ac2731cSGerd Hoffmann trace_usb_packet_state_fault(bus->busnr, dev->port->path, p->ep->nr, p, 5275ac2731cSGerd Hoffmann usb_packet_state_name(p->state), 5285ac2731cSGerd Hoffmann usb_packet_state_name(expected)); 5295ac2731cSGerd Hoffmann assert(!"usb packet state check failed"); 5305ac2731cSGerd Hoffmann } 5315ac2731cSGerd Hoffmann 5325ac2731cSGerd Hoffmann void usb_packet_set_state(USBPacket *p, USBPacketState state) 5335ac2731cSGerd Hoffmann { 534f5bf14bfSGerd Hoffmann if (p->ep) { 535f1ae32a1SGerd Hoffmann USBDevice *dev = p->ep->dev; 536f1ae32a1SGerd Hoffmann USBBus *bus = usb_bus_from_device(dev); 5375ac2731cSGerd Hoffmann trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p, 5385ac2731cSGerd Hoffmann usb_packet_state_name(p->state), 5395ac2731cSGerd Hoffmann usb_packet_state_name(state)); 540f5bf14bfSGerd Hoffmann } else { 541f5bf14bfSGerd Hoffmann trace_usb_packet_state_change(-1, "", -1, p, 542f5bf14bfSGerd Hoffmann usb_packet_state_name(p->state), 543f5bf14bfSGerd Hoffmann usb_packet_state_name(state)); 544f5bf14bfSGerd Hoffmann } 545f1ae32a1SGerd Hoffmann p->state = state; 546f1ae32a1SGerd Hoffmann } 547f1ae32a1SGerd Hoffmann 5486ba43f1fSHans de Goede void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep, uint64_t id, 549a6fb2ddbSHans de Goede bool short_not_ok, bool int_req) 550f1ae32a1SGerd Hoffmann { 551f1ae32a1SGerd Hoffmann assert(!usb_packet_is_inflight(p)); 5520cc6a0f1SGerd Hoffmann assert(p->iov.iov != NULL); 553e983395dSGerd Hoffmann p->id = id; 554f1ae32a1SGerd Hoffmann p->pid = pid; 555f1ae32a1SGerd Hoffmann p->ep = ep; 5569a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; 5579a77a0f5SHans de Goede p->actual_length = 0; 558f1ae32a1SGerd Hoffmann p->parameter = 0; 5596ba43f1fSHans de Goede p->short_not_ok = short_not_ok; 560a6fb2ddbSHans de Goede p->int_req = int_req; 561a552a966SHans de Goede p->combined = NULL; 562f1ae32a1SGerd Hoffmann qemu_iovec_reset(&p->iov); 563f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_SETUP); 564f1ae32a1SGerd Hoffmann } 565f1ae32a1SGerd Hoffmann 566f1ae32a1SGerd Hoffmann void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len) 567f1ae32a1SGerd Hoffmann { 568f1ae32a1SGerd Hoffmann qemu_iovec_add(&p->iov, ptr, len); 569f1ae32a1SGerd Hoffmann } 570f1ae32a1SGerd Hoffmann 571f1ae32a1SGerd Hoffmann void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes) 572f1ae32a1SGerd Hoffmann { 5739a77a0f5SHans de Goede assert(p->actual_length >= 0); 5749a77a0f5SHans de Goede assert(p->actual_length + bytes <= p->iov.size); 575f1ae32a1SGerd Hoffmann switch (p->pid) { 576f1ae32a1SGerd Hoffmann case USB_TOKEN_SETUP: 577f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT: 5789a77a0f5SHans de Goede iov_to_buf(p->iov.iov, p->iov.niov, p->actual_length, ptr, bytes); 579f1ae32a1SGerd Hoffmann break; 580f1ae32a1SGerd Hoffmann case USB_TOKEN_IN: 5819a77a0f5SHans de Goede iov_from_buf(p->iov.iov, p->iov.niov, p->actual_length, ptr, bytes); 582f1ae32a1SGerd Hoffmann break; 583f1ae32a1SGerd Hoffmann default: 584f1ae32a1SGerd Hoffmann fprintf(stderr, "%s: invalid pid: %x\n", __func__, p->pid); 585f1ae32a1SGerd Hoffmann abort(); 586f1ae32a1SGerd Hoffmann } 5879a77a0f5SHans de Goede p->actual_length += bytes; 588f1ae32a1SGerd Hoffmann } 589f1ae32a1SGerd Hoffmann 590f1ae32a1SGerd Hoffmann void usb_packet_skip(USBPacket *p, size_t bytes) 591f1ae32a1SGerd Hoffmann { 5929a77a0f5SHans de Goede assert(p->actual_length >= 0); 5939a77a0f5SHans de Goede assert(p->actual_length + bytes <= p->iov.size); 594f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 5959a77a0f5SHans de Goede iov_memset(p->iov.iov, p->iov.niov, p->actual_length, 0, bytes); 596f1ae32a1SGerd Hoffmann } 5979a77a0f5SHans de Goede p->actual_length += bytes; 598f1ae32a1SGerd Hoffmann } 599f1ae32a1SGerd Hoffmann 600f1ae32a1SGerd Hoffmann void usb_packet_cleanup(USBPacket *p) 601f1ae32a1SGerd Hoffmann { 602f1ae32a1SGerd Hoffmann assert(!usb_packet_is_inflight(p)); 603f1ae32a1SGerd Hoffmann qemu_iovec_destroy(&p->iov); 604f1ae32a1SGerd Hoffmann } 605f1ae32a1SGerd Hoffmann 60619deaa08SGerd Hoffmann void usb_ep_reset(USBDevice *dev) 607f1ae32a1SGerd Hoffmann { 608f1ae32a1SGerd Hoffmann int ep; 609f1ae32a1SGerd Hoffmann 610f1ae32a1SGerd Hoffmann dev->ep_ctl.nr = 0; 611f1ae32a1SGerd Hoffmann dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL; 612f1ae32a1SGerd Hoffmann dev->ep_ctl.ifnum = 0; 613f1ae32a1SGerd Hoffmann dev->ep_ctl.dev = dev; 614f1ae32a1SGerd Hoffmann dev->ep_ctl.pipeline = false; 615f1ae32a1SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 616f1ae32a1SGerd Hoffmann dev->ep_in[ep].nr = ep + 1; 617f1ae32a1SGerd Hoffmann dev->ep_out[ep].nr = ep + 1; 618f1ae32a1SGerd Hoffmann dev->ep_in[ep].pid = USB_TOKEN_IN; 619f1ae32a1SGerd Hoffmann dev->ep_out[ep].pid = USB_TOKEN_OUT; 620f1ae32a1SGerd Hoffmann dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID; 621f1ae32a1SGerd Hoffmann dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID; 6227c37e6a4SGerd Hoffmann dev->ep_in[ep].ifnum = USB_INTERFACE_INVALID; 6237c37e6a4SGerd Hoffmann dev->ep_out[ep].ifnum = USB_INTERFACE_INVALID; 624f1ae32a1SGerd Hoffmann dev->ep_in[ep].dev = dev; 625f1ae32a1SGerd Hoffmann dev->ep_out[ep].dev = dev; 626f1ae32a1SGerd Hoffmann dev->ep_in[ep].pipeline = false; 627f1ae32a1SGerd Hoffmann dev->ep_out[ep].pipeline = false; 62819deaa08SGerd Hoffmann } 62919deaa08SGerd Hoffmann } 63019deaa08SGerd Hoffmann 63119deaa08SGerd Hoffmann void usb_ep_init(USBDevice *dev) 63219deaa08SGerd Hoffmann { 63319deaa08SGerd Hoffmann int ep; 63419deaa08SGerd Hoffmann 63519deaa08SGerd Hoffmann usb_ep_reset(dev); 63619deaa08SGerd Hoffmann QTAILQ_INIT(&dev->ep_ctl.queue); 63719deaa08SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 638f1ae32a1SGerd Hoffmann QTAILQ_INIT(&dev->ep_in[ep].queue); 639f1ae32a1SGerd Hoffmann QTAILQ_INIT(&dev->ep_out[ep].queue); 640f1ae32a1SGerd Hoffmann } 641f1ae32a1SGerd Hoffmann } 642f1ae32a1SGerd Hoffmann 643f1ae32a1SGerd Hoffmann void usb_ep_dump(USBDevice *dev) 644f1ae32a1SGerd Hoffmann { 645f1ae32a1SGerd Hoffmann static const char *tname[] = { 646f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_CONTROL] = "control", 647f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_ISOC] = "isoc", 648f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_BULK] = "bulk", 649f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_INT] = "int", 650f1ae32a1SGerd Hoffmann }; 651f1ae32a1SGerd Hoffmann int ifnum, ep, first; 652f1ae32a1SGerd Hoffmann 653f1ae32a1SGerd Hoffmann fprintf(stderr, "Device \"%s\", config %d\n", 654f1ae32a1SGerd Hoffmann dev->product_desc, dev->configuration); 655f1ae32a1SGerd Hoffmann for (ifnum = 0; ifnum < 16; ifnum++) { 656f1ae32a1SGerd Hoffmann first = 1; 657f1ae32a1SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 658f1ae32a1SGerd Hoffmann if (dev->ep_in[ep].type != USB_ENDPOINT_XFER_INVALID && 659f1ae32a1SGerd Hoffmann dev->ep_in[ep].ifnum == ifnum) { 660f1ae32a1SGerd Hoffmann if (first) { 661f1ae32a1SGerd Hoffmann first = 0; 662f1ae32a1SGerd Hoffmann fprintf(stderr, " Interface %d, alternative %d\n", 663f1ae32a1SGerd Hoffmann ifnum, dev->altsetting[ifnum]); 664f1ae32a1SGerd Hoffmann } 665f1ae32a1SGerd Hoffmann fprintf(stderr, " Endpoint %d, IN, %s, %d max\n", ep, 666f1ae32a1SGerd Hoffmann tname[dev->ep_in[ep].type], 667f1ae32a1SGerd Hoffmann dev->ep_in[ep].max_packet_size); 668f1ae32a1SGerd Hoffmann } 669f1ae32a1SGerd Hoffmann if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID && 670f1ae32a1SGerd Hoffmann dev->ep_out[ep].ifnum == ifnum) { 671f1ae32a1SGerd Hoffmann if (first) { 672f1ae32a1SGerd Hoffmann first = 0; 673f1ae32a1SGerd Hoffmann fprintf(stderr, " Interface %d, alternative %d\n", 674f1ae32a1SGerd Hoffmann ifnum, dev->altsetting[ifnum]); 675f1ae32a1SGerd Hoffmann } 676f1ae32a1SGerd Hoffmann fprintf(stderr, " Endpoint %d, OUT, %s, %d max\n", ep, 677f1ae32a1SGerd Hoffmann tname[dev->ep_out[ep].type], 678f1ae32a1SGerd Hoffmann dev->ep_out[ep].max_packet_size); 679f1ae32a1SGerd Hoffmann } 680f1ae32a1SGerd Hoffmann } 681f1ae32a1SGerd Hoffmann } 682f1ae32a1SGerd Hoffmann fprintf(stderr, "--\n"); 683f1ae32a1SGerd Hoffmann } 684f1ae32a1SGerd Hoffmann 685f1ae32a1SGerd Hoffmann struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep) 686f1ae32a1SGerd Hoffmann { 687f1ae32a1SGerd Hoffmann struct USBEndpoint *eps; 688f1ae32a1SGerd Hoffmann 689f1ae32a1SGerd Hoffmann if (dev == NULL) { 690f1ae32a1SGerd Hoffmann return NULL; 691f1ae32a1SGerd Hoffmann } 692f1ae32a1SGerd Hoffmann eps = (pid == USB_TOKEN_IN) ? dev->ep_in : dev->ep_out; 693f1ae32a1SGerd Hoffmann if (ep == 0) { 694f1ae32a1SGerd Hoffmann return &dev->ep_ctl; 695f1ae32a1SGerd Hoffmann } 696f1ae32a1SGerd Hoffmann assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT); 697f1ae32a1SGerd Hoffmann assert(ep > 0 && ep <= USB_MAX_ENDPOINTS); 698f1ae32a1SGerd Hoffmann return eps + ep - 1; 699f1ae32a1SGerd Hoffmann } 700f1ae32a1SGerd Hoffmann 701f1ae32a1SGerd Hoffmann uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep) 702f1ae32a1SGerd Hoffmann { 703f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 704f1ae32a1SGerd Hoffmann return uep->type; 705f1ae32a1SGerd Hoffmann } 706f1ae32a1SGerd Hoffmann 707f1ae32a1SGerd Hoffmann void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type) 708f1ae32a1SGerd Hoffmann { 709f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 710f1ae32a1SGerd Hoffmann uep->type = type; 711f1ae32a1SGerd Hoffmann } 712f1ae32a1SGerd Hoffmann 713f1ae32a1SGerd Hoffmann uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep) 714f1ae32a1SGerd Hoffmann { 715f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 716f1ae32a1SGerd Hoffmann return uep->ifnum; 717f1ae32a1SGerd Hoffmann } 718f1ae32a1SGerd Hoffmann 719f1ae32a1SGerd Hoffmann void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum) 720f1ae32a1SGerd Hoffmann { 721f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 722f1ae32a1SGerd Hoffmann uep->ifnum = ifnum; 723f1ae32a1SGerd Hoffmann } 724f1ae32a1SGerd Hoffmann 725f1ae32a1SGerd Hoffmann void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 726f1ae32a1SGerd Hoffmann uint16_t raw) 727f1ae32a1SGerd Hoffmann { 728f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 729f1ae32a1SGerd Hoffmann int size, microframes; 730f1ae32a1SGerd Hoffmann 731f1ae32a1SGerd Hoffmann size = raw & 0x7ff; 732f1ae32a1SGerd Hoffmann switch ((raw >> 11) & 3) { 733f1ae32a1SGerd Hoffmann case 1: 734f1ae32a1SGerd Hoffmann microframes = 2; 735f1ae32a1SGerd Hoffmann break; 736f1ae32a1SGerd Hoffmann case 2: 737f1ae32a1SGerd Hoffmann microframes = 3; 738f1ae32a1SGerd Hoffmann break; 739f1ae32a1SGerd Hoffmann default: 740f1ae32a1SGerd Hoffmann microframes = 1; 741f1ae32a1SGerd Hoffmann break; 742f1ae32a1SGerd Hoffmann } 743f1ae32a1SGerd Hoffmann uep->max_packet_size = size * microframes; 744f1ae32a1SGerd Hoffmann } 745f1ae32a1SGerd Hoffmann 746f1ae32a1SGerd Hoffmann int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep) 747f1ae32a1SGerd Hoffmann { 748f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 749f1ae32a1SGerd Hoffmann return uep->max_packet_size; 750f1ae32a1SGerd Hoffmann } 751f1ae32a1SGerd Hoffmann 752f1ae32a1SGerd Hoffmann void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled) 753f1ae32a1SGerd Hoffmann { 754f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 755f1ae32a1SGerd Hoffmann uep->pipeline = enabled; 756f1ae32a1SGerd Hoffmann } 757c13a9e61SHans de Goede 758*e382d966SGerd Hoffmann void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted) 759*e382d966SGerd Hoffmann { 760*e382d966SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 761*e382d966SGerd Hoffmann uep->halted = halted; 762*e382d966SGerd Hoffmann } 763*e382d966SGerd Hoffmann 764c13a9e61SHans de Goede USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 765c13a9e61SHans de Goede uint64_t id) 766c13a9e61SHans de Goede { 767c13a9e61SHans de Goede struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 768c13a9e61SHans de Goede USBPacket *p; 769c13a9e61SHans de Goede 7706735d433SHans de Goede QTAILQ_FOREACH(p, &uep->queue, queue) { 771c13a9e61SHans de Goede if (p->id == id) { 772c13a9e61SHans de Goede return p; 773c13a9e61SHans de Goede } 774c13a9e61SHans de Goede } 775c13a9e61SHans de Goede 776c13a9e61SHans de Goede return NULL; 777c13a9e61SHans de Goede } 778