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" 28f1ae32a1SGerd Hoffmann #include "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 100f1ae32a1SGerd Hoffmann static int do_token_setup(USBDevice *s, USBPacket *p) 101f1ae32a1SGerd Hoffmann { 102f1ae32a1SGerd Hoffmann int request, value, index; 103f1ae32a1SGerd Hoffmann int ret = 0; 104f1ae32a1SGerd Hoffmann 105f1ae32a1SGerd Hoffmann if (p->iov.size != 8) { 106f1ae32a1SGerd Hoffmann return USB_RET_STALL; 107f1ae32a1SGerd Hoffmann } 108f1ae32a1SGerd Hoffmann 109f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->setup_buf, p->iov.size); 110c19537a1SGerd Hoffmann p->result = 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) { 119f1ae32a1SGerd Hoffmann ret = usb_device_handle_control(s, p, request, value, index, 120f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 121f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 122f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_SETUP; 123f1ae32a1SGerd Hoffmann return USB_RET_ASYNC; 124f1ae32a1SGerd Hoffmann } 125f1ae32a1SGerd Hoffmann if (ret < 0) 126f1ae32a1SGerd Hoffmann return ret; 127f1ae32a1SGerd Hoffmann 128f1ae32a1SGerd Hoffmann if (ret < s->setup_len) 129f1ae32a1SGerd Hoffmann s->setup_len = ret; 130f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 131f1ae32a1SGerd Hoffmann } else { 132f1ae32a1SGerd Hoffmann if (s->setup_len > sizeof(s->data_buf)) { 133f1ae32a1SGerd Hoffmann fprintf(stderr, 134f1ae32a1SGerd Hoffmann "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n", 135f1ae32a1SGerd Hoffmann s->setup_len, sizeof(s->data_buf)); 136f1ae32a1SGerd Hoffmann return USB_RET_STALL; 137f1ae32a1SGerd Hoffmann } 138f1ae32a1SGerd Hoffmann if (s->setup_len == 0) 139f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 140f1ae32a1SGerd Hoffmann else 141f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 142f1ae32a1SGerd Hoffmann } 143f1ae32a1SGerd Hoffmann 144f1ae32a1SGerd Hoffmann return ret; 145f1ae32a1SGerd Hoffmann } 146f1ae32a1SGerd Hoffmann 147f1ae32a1SGerd Hoffmann static int do_token_in(USBDevice *s, USBPacket *p) 148f1ae32a1SGerd Hoffmann { 149f1ae32a1SGerd Hoffmann int request, value, index; 150f1ae32a1SGerd Hoffmann int ret = 0; 151f1ae32a1SGerd Hoffmann 152f1ae32a1SGerd Hoffmann assert(p->ep->nr == 0); 153f1ae32a1SGerd Hoffmann 154f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 155f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 156f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 157f1ae32a1SGerd Hoffmann 158f1ae32a1SGerd Hoffmann switch(s->setup_state) { 159f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 160f1ae32a1SGerd Hoffmann if (!(s->setup_buf[0] & USB_DIR_IN)) { 161f1ae32a1SGerd Hoffmann ret = usb_device_handle_control(s, p, request, value, index, 162f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 163f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 164f1ae32a1SGerd Hoffmann return USB_RET_ASYNC; 165f1ae32a1SGerd Hoffmann } 166f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 167f1ae32a1SGerd Hoffmann if (ret > 0) 168f1ae32a1SGerd Hoffmann return 0; 169f1ae32a1SGerd Hoffmann return ret; 170f1ae32a1SGerd Hoffmann } 171f1ae32a1SGerd Hoffmann 172f1ae32a1SGerd Hoffmann /* return 0 byte */ 173f1ae32a1SGerd Hoffmann return 0; 174f1ae32a1SGerd Hoffmann 175f1ae32a1SGerd Hoffmann case SETUP_STATE_DATA: 176f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 177f1ae32a1SGerd Hoffmann int len = s->setup_len - s->setup_index; 178f1ae32a1SGerd Hoffmann if (len > p->iov.size) { 179f1ae32a1SGerd Hoffmann len = p->iov.size; 180f1ae32a1SGerd Hoffmann } 181f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf + s->setup_index, len); 182f1ae32a1SGerd Hoffmann s->setup_index += len; 183f1ae32a1SGerd Hoffmann if (s->setup_index >= s->setup_len) 184f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 185f1ae32a1SGerd Hoffmann return len; 186f1ae32a1SGerd Hoffmann } 187f1ae32a1SGerd Hoffmann 188f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 189f1ae32a1SGerd Hoffmann return USB_RET_STALL; 190f1ae32a1SGerd Hoffmann 191f1ae32a1SGerd Hoffmann default: 192f1ae32a1SGerd Hoffmann return USB_RET_STALL; 193f1ae32a1SGerd Hoffmann } 194f1ae32a1SGerd Hoffmann } 195f1ae32a1SGerd Hoffmann 196f1ae32a1SGerd Hoffmann static int do_token_out(USBDevice *s, USBPacket *p) 197f1ae32a1SGerd Hoffmann { 198f1ae32a1SGerd Hoffmann assert(p->ep->nr == 0); 199f1ae32a1SGerd Hoffmann 200f1ae32a1SGerd Hoffmann switch(s->setup_state) { 201f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 202f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 203f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 204f1ae32a1SGerd Hoffmann /* transfer OK */ 205f1ae32a1SGerd Hoffmann } else { 206f1ae32a1SGerd Hoffmann /* ignore additional output */ 207f1ae32a1SGerd Hoffmann } 208f1ae32a1SGerd Hoffmann return 0; 209f1ae32a1SGerd Hoffmann 210f1ae32a1SGerd Hoffmann case SETUP_STATE_DATA: 211f1ae32a1SGerd Hoffmann if (!(s->setup_buf[0] & USB_DIR_IN)) { 212f1ae32a1SGerd Hoffmann int len = s->setup_len - s->setup_index; 213f1ae32a1SGerd Hoffmann if (len > p->iov.size) { 214f1ae32a1SGerd Hoffmann len = p->iov.size; 215f1ae32a1SGerd Hoffmann } 216f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf + s->setup_index, len); 217f1ae32a1SGerd Hoffmann s->setup_index += len; 218f1ae32a1SGerd Hoffmann if (s->setup_index >= s->setup_len) 219f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 220f1ae32a1SGerd Hoffmann return len; 221f1ae32a1SGerd Hoffmann } 222f1ae32a1SGerd Hoffmann 223f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 224f1ae32a1SGerd Hoffmann return USB_RET_STALL; 225f1ae32a1SGerd Hoffmann 226f1ae32a1SGerd Hoffmann default: 227f1ae32a1SGerd Hoffmann return USB_RET_STALL; 228f1ae32a1SGerd Hoffmann } 229f1ae32a1SGerd Hoffmann } 230f1ae32a1SGerd Hoffmann 231f1ae32a1SGerd Hoffmann static int do_parameter(USBDevice *s, USBPacket *p) 232f1ae32a1SGerd Hoffmann { 233f1ae32a1SGerd Hoffmann int request, value, index; 234f1ae32a1SGerd Hoffmann int i, ret = 0; 235f1ae32a1SGerd Hoffmann 236f1ae32a1SGerd Hoffmann for (i = 0; i < 8; i++) { 237f1ae32a1SGerd Hoffmann s->setup_buf[i] = p->parameter >> (i*8); 238f1ae32a1SGerd Hoffmann } 239f1ae32a1SGerd Hoffmann 240f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_PARAM; 241f1ae32a1SGerd Hoffmann s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; 242f1ae32a1SGerd Hoffmann s->setup_index = 0; 243f1ae32a1SGerd Hoffmann 244f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 245f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 246f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 247f1ae32a1SGerd Hoffmann 248f1ae32a1SGerd Hoffmann if (s->setup_len > sizeof(s->data_buf)) { 249f1ae32a1SGerd Hoffmann fprintf(stderr, 250f1ae32a1SGerd Hoffmann "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n", 251f1ae32a1SGerd Hoffmann s->setup_len, sizeof(s->data_buf)); 252f1ae32a1SGerd Hoffmann return USB_RET_STALL; 253f1ae32a1SGerd Hoffmann } 254f1ae32a1SGerd Hoffmann 255f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_OUT) { 256f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 257f1ae32a1SGerd Hoffmann } 258f1ae32a1SGerd Hoffmann 259f1ae32a1SGerd Hoffmann ret = usb_device_handle_control(s, p, request, value, index, 260f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 261f1ae32a1SGerd Hoffmann if (ret < 0) { 262f1ae32a1SGerd Hoffmann return ret; 263f1ae32a1SGerd Hoffmann } 264f1ae32a1SGerd Hoffmann 265f1ae32a1SGerd Hoffmann if (ret < s->setup_len) { 266f1ae32a1SGerd Hoffmann s->setup_len = ret; 267f1ae32a1SGerd Hoffmann } 268f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 269f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 270f1ae32a1SGerd Hoffmann } 271f1ae32a1SGerd Hoffmann 272f1ae32a1SGerd Hoffmann return ret; 273f1ae32a1SGerd Hoffmann } 274f1ae32a1SGerd Hoffmann 275f1ae32a1SGerd Hoffmann /* ctrl complete function for devices which use usb_generic_handle_packet and 276f1ae32a1SGerd Hoffmann may return USB_RET_ASYNC from their handle_control callback. Device code 277f1ae32a1SGerd Hoffmann which does this *must* call this function instead of the normal 278f1ae32a1SGerd Hoffmann usb_packet_complete to complete their async control packets. */ 279f1ae32a1SGerd Hoffmann void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p) 280f1ae32a1SGerd Hoffmann { 281f1ae32a1SGerd Hoffmann if (p->result < 0) { 282f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 283f1ae32a1SGerd Hoffmann } 284f1ae32a1SGerd Hoffmann 285f1ae32a1SGerd Hoffmann switch (s->setup_state) { 286f1ae32a1SGerd Hoffmann case SETUP_STATE_SETUP: 287f1ae32a1SGerd Hoffmann if (p->result < s->setup_len) { 288f1ae32a1SGerd Hoffmann s->setup_len = p->result; 289f1ae32a1SGerd Hoffmann } 290f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 291f1ae32a1SGerd Hoffmann p->result = 8; 292f1ae32a1SGerd Hoffmann break; 293f1ae32a1SGerd Hoffmann 294f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 295f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 296f1ae32a1SGerd Hoffmann p->result = 0; 297f1ae32a1SGerd Hoffmann break; 298f1ae32a1SGerd Hoffmann 299f1ae32a1SGerd Hoffmann case SETUP_STATE_PARAM: 300f1ae32a1SGerd Hoffmann if (p->result < s->setup_len) { 301f1ae32a1SGerd Hoffmann s->setup_len = p->result; 302f1ae32a1SGerd Hoffmann } 303f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 304f1ae32a1SGerd Hoffmann p->result = 0; 305f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 306f1ae32a1SGerd Hoffmann } 307f1ae32a1SGerd Hoffmann break; 308f1ae32a1SGerd Hoffmann 309f1ae32a1SGerd Hoffmann default: 310f1ae32a1SGerd Hoffmann break; 311f1ae32a1SGerd Hoffmann } 312f1ae32a1SGerd Hoffmann usb_packet_complete(s, p); 313f1ae32a1SGerd Hoffmann } 314f1ae32a1SGerd Hoffmann 315f1ae32a1SGerd Hoffmann /* XXX: fix overflow */ 316f1ae32a1SGerd Hoffmann int set_usb_string(uint8_t *buf, const char *str) 317f1ae32a1SGerd Hoffmann { 318f1ae32a1SGerd Hoffmann int len, i; 319f1ae32a1SGerd Hoffmann uint8_t *q; 320f1ae32a1SGerd Hoffmann 321f1ae32a1SGerd Hoffmann q = buf; 322f1ae32a1SGerd Hoffmann len = strlen(str); 323f1ae32a1SGerd Hoffmann *q++ = 2 * len + 2; 324f1ae32a1SGerd Hoffmann *q++ = 3; 325f1ae32a1SGerd Hoffmann for(i = 0; i < len; i++) { 326f1ae32a1SGerd Hoffmann *q++ = str[i]; 327f1ae32a1SGerd Hoffmann *q++ = 0; 328f1ae32a1SGerd Hoffmann } 329f1ae32a1SGerd Hoffmann return q - buf; 330f1ae32a1SGerd Hoffmann } 331f1ae32a1SGerd Hoffmann 332f1ae32a1SGerd Hoffmann USBDevice *usb_find_device(USBPort *port, uint8_t addr) 333f1ae32a1SGerd Hoffmann { 334f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 335f1ae32a1SGerd Hoffmann 336f1ae32a1SGerd Hoffmann if (dev == NULL || !dev->attached || dev->state != USB_STATE_DEFAULT) { 337f1ae32a1SGerd Hoffmann return NULL; 338f1ae32a1SGerd Hoffmann } 339f1ae32a1SGerd Hoffmann if (dev->addr == addr) { 340f1ae32a1SGerd Hoffmann return dev; 341f1ae32a1SGerd Hoffmann } 342f1ae32a1SGerd Hoffmann return usb_device_find_device(dev, addr); 343f1ae32a1SGerd Hoffmann } 344f1ae32a1SGerd Hoffmann 345f1ae32a1SGerd Hoffmann static int usb_process_one(USBPacket *p) 346f1ae32a1SGerd Hoffmann { 347f1ae32a1SGerd Hoffmann USBDevice *dev = p->ep->dev; 348f1ae32a1SGerd Hoffmann 349f1ae32a1SGerd Hoffmann if (p->ep->nr == 0) { 350f1ae32a1SGerd Hoffmann /* control pipe */ 351f1ae32a1SGerd Hoffmann if (p->parameter) { 352f1ae32a1SGerd Hoffmann return do_parameter(dev, p); 353f1ae32a1SGerd Hoffmann } 354f1ae32a1SGerd Hoffmann switch (p->pid) { 355f1ae32a1SGerd Hoffmann case USB_TOKEN_SETUP: 356f1ae32a1SGerd Hoffmann return do_token_setup(dev, p); 357f1ae32a1SGerd Hoffmann case USB_TOKEN_IN: 358f1ae32a1SGerd Hoffmann return do_token_in(dev, p); 359f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT: 360f1ae32a1SGerd Hoffmann return do_token_out(dev, p); 361f1ae32a1SGerd Hoffmann default: 362f1ae32a1SGerd Hoffmann return USB_RET_STALL; 363f1ae32a1SGerd Hoffmann } 364f1ae32a1SGerd Hoffmann } else { 365f1ae32a1SGerd Hoffmann /* data pipe */ 366f1ae32a1SGerd Hoffmann return usb_device_handle_data(dev, p); 367f1ae32a1SGerd Hoffmann } 368f1ae32a1SGerd Hoffmann } 369f1ae32a1SGerd Hoffmann 370f1ae32a1SGerd Hoffmann /* Hand over a packet to a device for processing. Return value 371f1ae32a1SGerd Hoffmann USB_RET_ASYNC indicates the processing isn't finished yet, the 372f1ae32a1SGerd Hoffmann driver will call usb_packet_complete() when done processing it. */ 373f1ae32a1SGerd Hoffmann int usb_handle_packet(USBDevice *dev, USBPacket *p) 374f1ae32a1SGerd Hoffmann { 375f1ae32a1SGerd Hoffmann int ret; 376f1ae32a1SGerd Hoffmann 377f1ae32a1SGerd Hoffmann if (dev == NULL) { 378f1ae32a1SGerd Hoffmann return USB_RET_NODEV; 379f1ae32a1SGerd Hoffmann } 380f1ae32a1SGerd Hoffmann assert(dev == p->ep->dev); 381f1ae32a1SGerd Hoffmann assert(dev->state == USB_STATE_DEFAULT); 3825ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_SETUP); 383f1ae32a1SGerd Hoffmann assert(p->ep != NULL); 384f1ae32a1SGerd Hoffmann 3850132b4b6SHans de Goede /* Submitting a new packet clears halt */ 3860132b4b6SHans de Goede if (p->ep->halted) { 3870132b4b6SHans de Goede assert(QTAILQ_EMPTY(&p->ep->queue)); 3880132b4b6SHans de Goede p->ep->halted = false; 3890132b4b6SHans de Goede } 3900132b4b6SHans de Goede 391f1ae32a1SGerd Hoffmann if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline) { 392f1ae32a1SGerd Hoffmann ret = usb_process_one(p); 393f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 394f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_ASYNC); 395f1ae32a1SGerd Hoffmann QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); 396f1ae32a1SGerd Hoffmann } else { 3970132b4b6SHans de Goede /* 3980132b4b6SHans de Goede * When pipelining is enabled usb-devices must always return async, 3990132b4b6SHans de Goede * otherwise packets can complete out of order! 4000132b4b6SHans de Goede */ 4019c1f6765SHans de Goede assert(!p->ep->pipeline || QTAILQ_EMPTY(&p->ep->queue)); 402cc409974SHans de Goede if (ret != USB_RET_NAK) { 403f1ae32a1SGerd Hoffmann p->result = ret; 404f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_COMPLETE); 405f1ae32a1SGerd Hoffmann } 406cc409974SHans de Goede } 407f1ae32a1SGerd Hoffmann } else { 408f1ae32a1SGerd Hoffmann ret = USB_RET_ASYNC; 409f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_QUEUED); 410f1ae32a1SGerd Hoffmann QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); 411f1ae32a1SGerd Hoffmann } 412f1ae32a1SGerd Hoffmann return ret; 413f1ae32a1SGerd Hoffmann } 414f1ae32a1SGerd Hoffmann 415*d0ff81b8SHans de Goede void usb_packet_complete_one(USBDevice *dev, USBPacket *p) 4160132b4b6SHans de Goede { 4170132b4b6SHans de Goede USBEndpoint *ep = p->ep; 4180132b4b6SHans de Goede 419*d0ff81b8SHans de Goede assert(QTAILQ_FIRST(&ep->queue) == p); 4200132b4b6SHans de Goede assert(p->result != USB_RET_ASYNC && p->result != USB_RET_NAK); 4210132b4b6SHans de Goede 4220132b4b6SHans de Goede if (p->result < 0) { 4230132b4b6SHans de Goede ep->halted = true; 4240132b4b6SHans de Goede } 4250132b4b6SHans de Goede usb_packet_set_state(p, USB_PACKET_COMPLETE); 4260132b4b6SHans de Goede QTAILQ_REMOVE(&ep->queue, p, queue); 4270132b4b6SHans de Goede dev->port->ops->complete(dev->port, p); 4280132b4b6SHans de Goede } 4290132b4b6SHans de Goede 430f1ae32a1SGerd Hoffmann /* Notify the controller that an async packet is complete. This should only 431f1ae32a1SGerd Hoffmann be called for packets previously deferred by returning USB_RET_ASYNC from 432f1ae32a1SGerd Hoffmann handle_packet. */ 433f1ae32a1SGerd Hoffmann void usb_packet_complete(USBDevice *dev, USBPacket *p) 434f1ae32a1SGerd Hoffmann { 435f1ae32a1SGerd Hoffmann USBEndpoint *ep = p->ep; 436f1ae32a1SGerd Hoffmann int ret; 437f1ae32a1SGerd Hoffmann 4385ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_ASYNC); 439*d0ff81b8SHans de Goede usb_packet_complete_one(dev, p); 440f1ae32a1SGerd Hoffmann 4410132b4b6SHans de Goede while (!ep->halted && !QTAILQ_EMPTY(&ep->queue)) { 442f1ae32a1SGerd Hoffmann p = QTAILQ_FIRST(&ep->queue); 443f1ae32a1SGerd Hoffmann if (p->state == USB_PACKET_ASYNC) { 444f1ae32a1SGerd Hoffmann break; 445f1ae32a1SGerd Hoffmann } 4465ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_QUEUED); 447f1ae32a1SGerd Hoffmann ret = usb_process_one(p); 448f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 449f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_ASYNC); 450f1ae32a1SGerd Hoffmann break; 451f1ae32a1SGerd Hoffmann } 452f1ae32a1SGerd Hoffmann p->result = ret; 453*d0ff81b8SHans de Goede usb_packet_complete_one(ep->dev, p); 454f1ae32a1SGerd Hoffmann } 455f1ae32a1SGerd Hoffmann } 456f1ae32a1SGerd Hoffmann 457f1ae32a1SGerd Hoffmann /* Cancel an active packet. The packed must have been deferred by 458f1ae32a1SGerd Hoffmann returning USB_RET_ASYNC from handle_packet, and not yet 459f1ae32a1SGerd Hoffmann completed. */ 460f1ae32a1SGerd Hoffmann void usb_cancel_packet(USBPacket * p) 461f1ae32a1SGerd Hoffmann { 462f1ae32a1SGerd Hoffmann bool callback = (p->state == USB_PACKET_ASYNC); 463f1ae32a1SGerd Hoffmann assert(usb_packet_is_inflight(p)); 464f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_CANCELED); 465f1ae32a1SGerd Hoffmann QTAILQ_REMOVE(&p->ep->queue, p, queue); 466f1ae32a1SGerd Hoffmann if (callback) { 467f1ae32a1SGerd Hoffmann usb_device_cancel_packet(p->ep->dev, p); 468f1ae32a1SGerd Hoffmann } 469f1ae32a1SGerd Hoffmann } 470f1ae32a1SGerd Hoffmann 471f1ae32a1SGerd Hoffmann 472f1ae32a1SGerd Hoffmann void usb_packet_init(USBPacket *p) 473f1ae32a1SGerd Hoffmann { 474f1ae32a1SGerd Hoffmann qemu_iovec_init(&p->iov, 1); 475f1ae32a1SGerd Hoffmann } 476f1ae32a1SGerd Hoffmann 4775ac2731cSGerd Hoffmann static const char *usb_packet_state_name(USBPacketState state) 478f1ae32a1SGerd Hoffmann { 479f1ae32a1SGerd Hoffmann static const char *name[] = { 480f1ae32a1SGerd Hoffmann [USB_PACKET_UNDEFINED] = "undef", 481f1ae32a1SGerd Hoffmann [USB_PACKET_SETUP] = "setup", 482f1ae32a1SGerd Hoffmann [USB_PACKET_QUEUED] = "queued", 483f1ae32a1SGerd Hoffmann [USB_PACKET_ASYNC] = "async", 484f1ae32a1SGerd Hoffmann [USB_PACKET_COMPLETE] = "complete", 485f1ae32a1SGerd Hoffmann [USB_PACKET_CANCELED] = "canceled", 486f1ae32a1SGerd Hoffmann }; 4875ac2731cSGerd Hoffmann if (state < ARRAY_SIZE(name)) { 4885ac2731cSGerd Hoffmann return name[state]; 4895ac2731cSGerd Hoffmann } 4905ac2731cSGerd Hoffmann return "INVALID"; 4915ac2731cSGerd Hoffmann } 4925ac2731cSGerd Hoffmann 4935ac2731cSGerd Hoffmann void usb_packet_check_state(USBPacket *p, USBPacketState expected) 4945ac2731cSGerd Hoffmann { 4955ac2731cSGerd Hoffmann USBDevice *dev; 4965ac2731cSGerd Hoffmann USBBus *bus; 4975ac2731cSGerd Hoffmann 4985ac2731cSGerd Hoffmann if (p->state == expected) { 4995ac2731cSGerd Hoffmann return; 5005ac2731cSGerd Hoffmann } 5015ac2731cSGerd Hoffmann dev = p->ep->dev; 5025ac2731cSGerd Hoffmann bus = usb_bus_from_device(dev); 5035ac2731cSGerd Hoffmann trace_usb_packet_state_fault(bus->busnr, dev->port->path, p->ep->nr, p, 5045ac2731cSGerd Hoffmann usb_packet_state_name(p->state), 5055ac2731cSGerd Hoffmann usb_packet_state_name(expected)); 5065ac2731cSGerd Hoffmann assert(!"usb packet state check failed"); 5075ac2731cSGerd Hoffmann } 5085ac2731cSGerd Hoffmann 5095ac2731cSGerd Hoffmann void usb_packet_set_state(USBPacket *p, USBPacketState state) 5105ac2731cSGerd Hoffmann { 511f5bf14bfSGerd Hoffmann if (p->ep) { 512f1ae32a1SGerd Hoffmann USBDevice *dev = p->ep->dev; 513f1ae32a1SGerd Hoffmann USBBus *bus = usb_bus_from_device(dev); 5145ac2731cSGerd Hoffmann trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p, 5155ac2731cSGerd Hoffmann usb_packet_state_name(p->state), 5165ac2731cSGerd Hoffmann usb_packet_state_name(state)); 517f5bf14bfSGerd Hoffmann } else { 518f5bf14bfSGerd Hoffmann trace_usb_packet_state_change(-1, "", -1, p, 519f5bf14bfSGerd Hoffmann usb_packet_state_name(p->state), 520f5bf14bfSGerd Hoffmann usb_packet_state_name(state)); 521f5bf14bfSGerd Hoffmann } 522f1ae32a1SGerd Hoffmann p->state = state; 523f1ae32a1SGerd Hoffmann } 524f1ae32a1SGerd Hoffmann 525e983395dSGerd Hoffmann void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep, uint64_t id) 526f1ae32a1SGerd Hoffmann { 527f1ae32a1SGerd Hoffmann assert(!usb_packet_is_inflight(p)); 5280cc6a0f1SGerd Hoffmann assert(p->iov.iov != NULL); 529e983395dSGerd Hoffmann p->id = id; 530f1ae32a1SGerd Hoffmann p->pid = pid; 531f1ae32a1SGerd Hoffmann p->ep = ep; 532f1ae32a1SGerd Hoffmann p->result = 0; 533f1ae32a1SGerd Hoffmann p->parameter = 0; 534f1ae32a1SGerd Hoffmann qemu_iovec_reset(&p->iov); 535f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_SETUP); 536f1ae32a1SGerd Hoffmann } 537f1ae32a1SGerd Hoffmann 538f1ae32a1SGerd Hoffmann void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len) 539f1ae32a1SGerd Hoffmann { 540f1ae32a1SGerd Hoffmann qemu_iovec_add(&p->iov, ptr, len); 541f1ae32a1SGerd Hoffmann } 542f1ae32a1SGerd Hoffmann 543f1ae32a1SGerd Hoffmann void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes) 544f1ae32a1SGerd Hoffmann { 545f1ae32a1SGerd Hoffmann assert(p->result >= 0); 546f1ae32a1SGerd Hoffmann assert(p->result + bytes <= p->iov.size); 547f1ae32a1SGerd Hoffmann switch (p->pid) { 548f1ae32a1SGerd Hoffmann case USB_TOKEN_SETUP: 549f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT: 550dcf6f5e1SMichael Tokarev iov_to_buf(p->iov.iov, p->iov.niov, p->result, ptr, bytes); 551f1ae32a1SGerd Hoffmann break; 552f1ae32a1SGerd Hoffmann case USB_TOKEN_IN: 553dcf6f5e1SMichael Tokarev iov_from_buf(p->iov.iov, p->iov.niov, p->result, ptr, bytes); 554f1ae32a1SGerd Hoffmann break; 555f1ae32a1SGerd Hoffmann default: 556f1ae32a1SGerd Hoffmann fprintf(stderr, "%s: invalid pid: %x\n", __func__, p->pid); 557f1ae32a1SGerd Hoffmann abort(); 558f1ae32a1SGerd Hoffmann } 559f1ae32a1SGerd Hoffmann p->result += bytes; 560f1ae32a1SGerd Hoffmann } 561f1ae32a1SGerd Hoffmann 562f1ae32a1SGerd Hoffmann void usb_packet_skip(USBPacket *p, size_t bytes) 563f1ae32a1SGerd Hoffmann { 564f1ae32a1SGerd Hoffmann assert(p->result >= 0); 565f1ae32a1SGerd Hoffmann assert(p->result + bytes <= p->iov.size); 566f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 567dcf6f5e1SMichael Tokarev iov_memset(p->iov.iov, p->iov.niov, p->result, 0, bytes); 568f1ae32a1SGerd Hoffmann } 569f1ae32a1SGerd Hoffmann p->result += bytes; 570f1ae32a1SGerd Hoffmann } 571f1ae32a1SGerd Hoffmann 572f1ae32a1SGerd Hoffmann void usb_packet_cleanup(USBPacket *p) 573f1ae32a1SGerd Hoffmann { 574f1ae32a1SGerd Hoffmann assert(!usb_packet_is_inflight(p)); 575f1ae32a1SGerd Hoffmann qemu_iovec_destroy(&p->iov); 576f1ae32a1SGerd Hoffmann } 577f1ae32a1SGerd Hoffmann 57819deaa08SGerd Hoffmann void usb_ep_reset(USBDevice *dev) 579f1ae32a1SGerd Hoffmann { 580f1ae32a1SGerd Hoffmann int ep; 581f1ae32a1SGerd Hoffmann 582f1ae32a1SGerd Hoffmann dev->ep_ctl.nr = 0; 583f1ae32a1SGerd Hoffmann dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL; 584f1ae32a1SGerd Hoffmann dev->ep_ctl.ifnum = 0; 585f1ae32a1SGerd Hoffmann dev->ep_ctl.dev = dev; 586f1ae32a1SGerd Hoffmann dev->ep_ctl.pipeline = false; 587f1ae32a1SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 588f1ae32a1SGerd Hoffmann dev->ep_in[ep].nr = ep + 1; 589f1ae32a1SGerd Hoffmann dev->ep_out[ep].nr = ep + 1; 590f1ae32a1SGerd Hoffmann dev->ep_in[ep].pid = USB_TOKEN_IN; 591f1ae32a1SGerd Hoffmann dev->ep_out[ep].pid = USB_TOKEN_OUT; 592f1ae32a1SGerd Hoffmann dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID; 593f1ae32a1SGerd Hoffmann dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID; 5947c37e6a4SGerd Hoffmann dev->ep_in[ep].ifnum = USB_INTERFACE_INVALID; 5957c37e6a4SGerd Hoffmann dev->ep_out[ep].ifnum = USB_INTERFACE_INVALID; 596f1ae32a1SGerd Hoffmann dev->ep_in[ep].dev = dev; 597f1ae32a1SGerd Hoffmann dev->ep_out[ep].dev = dev; 598f1ae32a1SGerd Hoffmann dev->ep_in[ep].pipeline = false; 599f1ae32a1SGerd Hoffmann dev->ep_out[ep].pipeline = false; 60019deaa08SGerd Hoffmann } 60119deaa08SGerd Hoffmann } 60219deaa08SGerd Hoffmann 60319deaa08SGerd Hoffmann void usb_ep_init(USBDevice *dev) 60419deaa08SGerd Hoffmann { 60519deaa08SGerd Hoffmann int ep; 60619deaa08SGerd Hoffmann 60719deaa08SGerd Hoffmann usb_ep_reset(dev); 60819deaa08SGerd Hoffmann QTAILQ_INIT(&dev->ep_ctl.queue); 60919deaa08SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 610f1ae32a1SGerd Hoffmann QTAILQ_INIT(&dev->ep_in[ep].queue); 611f1ae32a1SGerd Hoffmann QTAILQ_INIT(&dev->ep_out[ep].queue); 612f1ae32a1SGerd Hoffmann } 613f1ae32a1SGerd Hoffmann } 614f1ae32a1SGerd Hoffmann 615f1ae32a1SGerd Hoffmann void usb_ep_dump(USBDevice *dev) 616f1ae32a1SGerd Hoffmann { 617f1ae32a1SGerd Hoffmann static const char *tname[] = { 618f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_CONTROL] = "control", 619f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_ISOC] = "isoc", 620f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_BULK] = "bulk", 621f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_INT] = "int", 622f1ae32a1SGerd Hoffmann }; 623f1ae32a1SGerd Hoffmann int ifnum, ep, first; 624f1ae32a1SGerd Hoffmann 625f1ae32a1SGerd Hoffmann fprintf(stderr, "Device \"%s\", config %d\n", 626f1ae32a1SGerd Hoffmann dev->product_desc, dev->configuration); 627f1ae32a1SGerd Hoffmann for (ifnum = 0; ifnum < 16; ifnum++) { 628f1ae32a1SGerd Hoffmann first = 1; 629f1ae32a1SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 630f1ae32a1SGerd Hoffmann if (dev->ep_in[ep].type != USB_ENDPOINT_XFER_INVALID && 631f1ae32a1SGerd Hoffmann dev->ep_in[ep].ifnum == ifnum) { 632f1ae32a1SGerd Hoffmann if (first) { 633f1ae32a1SGerd Hoffmann first = 0; 634f1ae32a1SGerd Hoffmann fprintf(stderr, " Interface %d, alternative %d\n", 635f1ae32a1SGerd Hoffmann ifnum, dev->altsetting[ifnum]); 636f1ae32a1SGerd Hoffmann } 637f1ae32a1SGerd Hoffmann fprintf(stderr, " Endpoint %d, IN, %s, %d max\n", ep, 638f1ae32a1SGerd Hoffmann tname[dev->ep_in[ep].type], 639f1ae32a1SGerd Hoffmann dev->ep_in[ep].max_packet_size); 640f1ae32a1SGerd Hoffmann } 641f1ae32a1SGerd Hoffmann if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID && 642f1ae32a1SGerd Hoffmann dev->ep_out[ep].ifnum == ifnum) { 643f1ae32a1SGerd Hoffmann if (first) { 644f1ae32a1SGerd Hoffmann first = 0; 645f1ae32a1SGerd Hoffmann fprintf(stderr, " Interface %d, alternative %d\n", 646f1ae32a1SGerd Hoffmann ifnum, dev->altsetting[ifnum]); 647f1ae32a1SGerd Hoffmann } 648f1ae32a1SGerd Hoffmann fprintf(stderr, " Endpoint %d, OUT, %s, %d max\n", ep, 649f1ae32a1SGerd Hoffmann tname[dev->ep_out[ep].type], 650f1ae32a1SGerd Hoffmann dev->ep_out[ep].max_packet_size); 651f1ae32a1SGerd Hoffmann } 652f1ae32a1SGerd Hoffmann } 653f1ae32a1SGerd Hoffmann } 654f1ae32a1SGerd Hoffmann fprintf(stderr, "--\n"); 655f1ae32a1SGerd Hoffmann } 656f1ae32a1SGerd Hoffmann 657f1ae32a1SGerd Hoffmann struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep) 658f1ae32a1SGerd Hoffmann { 659f1ae32a1SGerd Hoffmann struct USBEndpoint *eps; 660f1ae32a1SGerd Hoffmann 661f1ae32a1SGerd Hoffmann if (dev == NULL) { 662f1ae32a1SGerd Hoffmann return NULL; 663f1ae32a1SGerd Hoffmann } 664f1ae32a1SGerd Hoffmann eps = (pid == USB_TOKEN_IN) ? dev->ep_in : dev->ep_out; 665f1ae32a1SGerd Hoffmann if (ep == 0) { 666f1ae32a1SGerd Hoffmann return &dev->ep_ctl; 667f1ae32a1SGerd Hoffmann } 668f1ae32a1SGerd Hoffmann assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT); 669f1ae32a1SGerd Hoffmann assert(ep > 0 && ep <= USB_MAX_ENDPOINTS); 670f1ae32a1SGerd Hoffmann return eps + ep - 1; 671f1ae32a1SGerd Hoffmann } 672f1ae32a1SGerd Hoffmann 673f1ae32a1SGerd Hoffmann uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep) 674f1ae32a1SGerd Hoffmann { 675f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 676f1ae32a1SGerd Hoffmann return uep->type; 677f1ae32a1SGerd Hoffmann } 678f1ae32a1SGerd Hoffmann 679f1ae32a1SGerd Hoffmann void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type) 680f1ae32a1SGerd Hoffmann { 681f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 682f1ae32a1SGerd Hoffmann uep->type = type; 683f1ae32a1SGerd Hoffmann } 684f1ae32a1SGerd Hoffmann 685f1ae32a1SGerd Hoffmann uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep) 686f1ae32a1SGerd Hoffmann { 687f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 688f1ae32a1SGerd Hoffmann return uep->ifnum; 689f1ae32a1SGerd Hoffmann } 690f1ae32a1SGerd Hoffmann 691f1ae32a1SGerd Hoffmann void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum) 692f1ae32a1SGerd Hoffmann { 693f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 694f1ae32a1SGerd Hoffmann uep->ifnum = ifnum; 695f1ae32a1SGerd Hoffmann } 696f1ae32a1SGerd Hoffmann 697f1ae32a1SGerd Hoffmann void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 698f1ae32a1SGerd Hoffmann uint16_t raw) 699f1ae32a1SGerd Hoffmann { 700f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 701f1ae32a1SGerd Hoffmann int size, microframes; 702f1ae32a1SGerd Hoffmann 703f1ae32a1SGerd Hoffmann size = raw & 0x7ff; 704f1ae32a1SGerd Hoffmann switch ((raw >> 11) & 3) { 705f1ae32a1SGerd Hoffmann case 1: 706f1ae32a1SGerd Hoffmann microframes = 2; 707f1ae32a1SGerd Hoffmann break; 708f1ae32a1SGerd Hoffmann case 2: 709f1ae32a1SGerd Hoffmann microframes = 3; 710f1ae32a1SGerd Hoffmann break; 711f1ae32a1SGerd Hoffmann default: 712f1ae32a1SGerd Hoffmann microframes = 1; 713f1ae32a1SGerd Hoffmann break; 714f1ae32a1SGerd Hoffmann } 715f1ae32a1SGerd Hoffmann uep->max_packet_size = size * microframes; 716f1ae32a1SGerd Hoffmann } 717f1ae32a1SGerd Hoffmann 718f1ae32a1SGerd Hoffmann int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep) 719f1ae32a1SGerd Hoffmann { 720f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 721f1ae32a1SGerd Hoffmann return uep->max_packet_size; 722f1ae32a1SGerd Hoffmann } 723f1ae32a1SGerd Hoffmann 724f1ae32a1SGerd Hoffmann void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled) 725f1ae32a1SGerd Hoffmann { 726f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 727f1ae32a1SGerd Hoffmann uep->pipeline = enabled; 728f1ae32a1SGerd Hoffmann } 729c13a9e61SHans de Goede 730c13a9e61SHans de Goede USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 731c13a9e61SHans de Goede uint64_t id) 732c13a9e61SHans de Goede { 733c13a9e61SHans de Goede struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 734c13a9e61SHans de Goede USBPacket *p; 735c13a9e61SHans de Goede 736c13a9e61SHans de Goede while ((p = QTAILQ_FIRST(&uep->queue)) != NULL) { 737c13a9e61SHans de Goede if (p->id == id) { 738c13a9e61SHans de Goede return p; 739c13a9e61SHans de Goede } 740c13a9e61SHans de Goede } 741c13a9e61SHans de Goede 742c13a9e61SHans de Goede return NULL; 743c13a9e61SHans de Goede } 744