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 */ 26e532b2e0SPeter Maydell #include "qemu/osdep.h" 27f1ae32a1SGerd Hoffmann #include "qemu-common.h" 28f1ae32a1SGerd Hoffmann #include "hw/usb.h" 291de7afc9SPaolo Bonzini #include "qemu/iov.h" 30f1ae32a1SGerd Hoffmann #include "trace.h" 31f1ae32a1SGerd Hoffmann 32b791c3b3SGerd Hoffmann void usb_pick_speed(USBPort *port) 33b791c3b3SGerd Hoffmann { 34b791c3b3SGerd Hoffmann static const int speeds[] = { 35b791c3b3SGerd Hoffmann USB_SPEED_SUPER, 36b791c3b3SGerd Hoffmann USB_SPEED_HIGH, 37b791c3b3SGerd Hoffmann USB_SPEED_FULL, 38b791c3b3SGerd Hoffmann USB_SPEED_LOW, 39b791c3b3SGerd Hoffmann }; 40b791c3b3SGerd Hoffmann USBDevice *udev = port->dev; 41b791c3b3SGerd Hoffmann int i; 42b791c3b3SGerd Hoffmann 43b791c3b3SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(speeds); i++) { 44b791c3b3SGerd Hoffmann if ((udev->speedmask & (1 << speeds[i])) && 45b791c3b3SGerd Hoffmann (port->speedmask & (1 << speeds[i]))) { 46b791c3b3SGerd Hoffmann udev->speed = speeds[i]; 47b791c3b3SGerd Hoffmann return; 48b791c3b3SGerd Hoffmann } 49b791c3b3SGerd Hoffmann } 50b791c3b3SGerd Hoffmann } 51b791c3b3SGerd Hoffmann 52f1ae32a1SGerd Hoffmann void usb_attach(USBPort *port) 53f1ae32a1SGerd Hoffmann { 54f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 55f1ae32a1SGerd Hoffmann 56f1ae32a1SGerd Hoffmann assert(dev != NULL); 57f1ae32a1SGerd Hoffmann assert(dev->attached); 58f1ae32a1SGerd Hoffmann assert(dev->state == USB_STATE_NOTATTACHED); 59b791c3b3SGerd Hoffmann usb_pick_speed(port); 60f1ae32a1SGerd Hoffmann port->ops->attach(port); 61f1ae32a1SGerd Hoffmann dev->state = USB_STATE_ATTACHED; 62f1ae32a1SGerd Hoffmann usb_device_handle_attach(dev); 63f1ae32a1SGerd Hoffmann } 64f1ae32a1SGerd Hoffmann 65f1ae32a1SGerd Hoffmann void usb_detach(USBPort *port) 66f1ae32a1SGerd Hoffmann { 67f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 68f1ae32a1SGerd Hoffmann 69f1ae32a1SGerd Hoffmann assert(dev != NULL); 70f1ae32a1SGerd Hoffmann assert(dev->state != USB_STATE_NOTATTACHED); 71f1ae32a1SGerd Hoffmann port->ops->detach(port); 72f1ae32a1SGerd Hoffmann dev->state = USB_STATE_NOTATTACHED; 73f1ae32a1SGerd Hoffmann } 74f1ae32a1SGerd Hoffmann 75f1ae32a1SGerd Hoffmann void usb_port_reset(USBPort *port) 76f1ae32a1SGerd Hoffmann { 77f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 78f1ae32a1SGerd Hoffmann 79f1ae32a1SGerd Hoffmann assert(dev != NULL); 80f1ae32a1SGerd Hoffmann usb_detach(port); 81f1ae32a1SGerd Hoffmann usb_attach(port); 82f1ae32a1SGerd Hoffmann usb_device_reset(dev); 83f1ae32a1SGerd Hoffmann } 84f1ae32a1SGerd Hoffmann 85f1ae32a1SGerd Hoffmann void usb_device_reset(USBDevice *dev) 86f1ae32a1SGerd Hoffmann { 87f1ae32a1SGerd Hoffmann if (dev == NULL || !dev->attached) { 88f1ae32a1SGerd Hoffmann return; 89f1ae32a1SGerd Hoffmann } 90f1ae32a1SGerd Hoffmann dev->remote_wakeup = 0; 91f1ae32a1SGerd Hoffmann dev->addr = 0; 92f1ae32a1SGerd Hoffmann dev->state = USB_STATE_DEFAULT; 93f1ae32a1SGerd Hoffmann usb_device_handle_reset(dev); 94f1ae32a1SGerd Hoffmann } 95f1ae32a1SGerd Hoffmann 968550a02dSGerd Hoffmann void usb_wakeup(USBEndpoint *ep, unsigned int stream) 97f1ae32a1SGerd Hoffmann { 98f1ae32a1SGerd Hoffmann USBDevice *dev = ep->dev; 99f1ae32a1SGerd Hoffmann USBBus *bus = usb_bus_from_device(dev); 100f1ae32a1SGerd Hoffmann 101*26022652SGerd Hoffmann if (!qdev_hotplug) { 102*26022652SGerd Hoffmann /* 103*26022652SGerd Hoffmann * This is machine init cold plug. No need to wakeup anyone, 104*26022652SGerd Hoffmann * all devices will be reset anyway. And trying to wakeup can 105*26022652SGerd Hoffmann * cause problems due to hitting uninitialized devices. 106*26022652SGerd Hoffmann */ 107*26022652SGerd Hoffmann return; 108*26022652SGerd Hoffmann } 109f1ae32a1SGerd Hoffmann if (dev->remote_wakeup && dev->port && dev->port->ops->wakeup) { 110f1ae32a1SGerd Hoffmann dev->port->ops->wakeup(dev->port); 111f1ae32a1SGerd Hoffmann } 112f1ae32a1SGerd Hoffmann if (bus->ops->wakeup_endpoint) { 1138550a02dSGerd Hoffmann bus->ops->wakeup_endpoint(bus, ep, stream); 114f1ae32a1SGerd Hoffmann } 115f1ae32a1SGerd Hoffmann } 116f1ae32a1SGerd Hoffmann 117f1ae32a1SGerd Hoffmann /**********************/ 118f1ae32a1SGerd Hoffmann 119f1ae32a1SGerd Hoffmann /* generic USB device helpers (you are not forced to use them when 120f1ae32a1SGerd Hoffmann writing your USB device driver, but they help handling the 121f1ae32a1SGerd Hoffmann protocol) 122f1ae32a1SGerd Hoffmann */ 123f1ae32a1SGerd Hoffmann 124f1ae32a1SGerd Hoffmann #define SETUP_STATE_IDLE 0 125f1ae32a1SGerd Hoffmann #define SETUP_STATE_SETUP 1 126f1ae32a1SGerd Hoffmann #define SETUP_STATE_DATA 2 127f1ae32a1SGerd Hoffmann #define SETUP_STATE_ACK 3 128f1ae32a1SGerd Hoffmann #define SETUP_STATE_PARAM 4 129f1ae32a1SGerd Hoffmann 1309a77a0f5SHans de Goede static void do_token_setup(USBDevice *s, USBPacket *p) 131f1ae32a1SGerd Hoffmann { 132f1ae32a1SGerd Hoffmann int request, value, index; 133f1ae32a1SGerd Hoffmann 134f1ae32a1SGerd Hoffmann if (p->iov.size != 8) { 1359a77a0f5SHans de Goede p->status = USB_RET_STALL; 1369a77a0f5SHans de Goede return; 137f1ae32a1SGerd Hoffmann } 138f1ae32a1SGerd Hoffmann 139f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->setup_buf, p->iov.size); 14064c9bc18SPrasad J Pandit s->setup_index = 0; 1419a77a0f5SHans de Goede p->actual_length = 0; 142f1ae32a1SGerd Hoffmann s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; 14364c9bc18SPrasad J Pandit if (s->setup_len > sizeof(s->data_buf)) { 14464c9bc18SPrasad J Pandit fprintf(stderr, 14564c9bc18SPrasad J Pandit "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n", 14664c9bc18SPrasad J Pandit s->setup_len, sizeof(s->data_buf)); 14764c9bc18SPrasad J Pandit p->status = USB_RET_STALL; 14864c9bc18SPrasad J Pandit return; 14964c9bc18SPrasad J Pandit } 150f1ae32a1SGerd Hoffmann 151f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 152f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 153f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 154f1ae32a1SGerd Hoffmann 155f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 1569a77a0f5SHans de Goede usb_device_handle_control(s, p, request, value, index, 157f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 1589a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 159f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_SETUP; 160f1ae32a1SGerd Hoffmann } 1619a77a0f5SHans de Goede if (p->status != USB_RET_SUCCESS) { 1629a77a0f5SHans de Goede return; 1639a77a0f5SHans de Goede } 164f1ae32a1SGerd Hoffmann 1659a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 1669a77a0f5SHans de Goede s->setup_len = p->actual_length; 1679a77a0f5SHans de Goede } 168f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 169f1ae32a1SGerd Hoffmann } else { 170f1ae32a1SGerd Hoffmann if (s->setup_len == 0) 171f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 172f1ae32a1SGerd Hoffmann else 173f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 174f1ae32a1SGerd Hoffmann } 175f1ae32a1SGerd Hoffmann 1769a77a0f5SHans de Goede p->actual_length = 8; 177f1ae32a1SGerd Hoffmann } 178f1ae32a1SGerd Hoffmann 1799a77a0f5SHans de Goede static void do_token_in(USBDevice *s, USBPacket *p) 180f1ae32a1SGerd Hoffmann { 181f1ae32a1SGerd Hoffmann int request, value, index; 182f1ae32a1SGerd Hoffmann 183f1ae32a1SGerd Hoffmann assert(p->ep->nr == 0); 184f1ae32a1SGerd Hoffmann 185f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 186f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 187f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 188f1ae32a1SGerd Hoffmann 189f1ae32a1SGerd Hoffmann switch(s->setup_state) { 190f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 191f1ae32a1SGerd Hoffmann if (!(s->setup_buf[0] & USB_DIR_IN)) { 1929a77a0f5SHans de Goede usb_device_handle_control(s, p, request, value, index, 193f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 1949a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 1959a77a0f5SHans de Goede return; 196f1ae32a1SGerd Hoffmann } 197f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 1989a77a0f5SHans de Goede p->actual_length = 0; 199f1ae32a1SGerd Hoffmann } 2009a77a0f5SHans de Goede break; 201f1ae32a1SGerd Hoffmann 202f1ae32a1SGerd Hoffmann case SETUP_STATE_DATA: 203f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 204f1ae32a1SGerd Hoffmann int len = s->setup_len - s->setup_index; 205f1ae32a1SGerd Hoffmann if (len > p->iov.size) { 206f1ae32a1SGerd Hoffmann len = p->iov.size; 207f1ae32a1SGerd Hoffmann } 208f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf + s->setup_index, len); 209f1ae32a1SGerd Hoffmann s->setup_index += len; 2109a77a0f5SHans de Goede if (s->setup_index >= s->setup_len) { 211f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 212f1ae32a1SGerd Hoffmann } 2139a77a0f5SHans de Goede return; 2149a77a0f5SHans de Goede } 215f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 2169a77a0f5SHans de Goede p->status = USB_RET_STALL; 2179a77a0f5SHans de Goede break; 218f1ae32a1SGerd Hoffmann 219f1ae32a1SGerd Hoffmann default: 2209a77a0f5SHans de Goede p->status = USB_RET_STALL; 221f1ae32a1SGerd Hoffmann } 222f1ae32a1SGerd Hoffmann } 223f1ae32a1SGerd Hoffmann 2249a77a0f5SHans de Goede static void do_token_out(USBDevice *s, USBPacket *p) 225f1ae32a1SGerd Hoffmann { 226f1ae32a1SGerd Hoffmann assert(p->ep->nr == 0); 227f1ae32a1SGerd Hoffmann 228f1ae32a1SGerd Hoffmann switch(s->setup_state) { 229f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 230f1ae32a1SGerd Hoffmann if (s->setup_buf[0] & USB_DIR_IN) { 231f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 232f1ae32a1SGerd Hoffmann /* transfer OK */ 233f1ae32a1SGerd Hoffmann } else { 234f1ae32a1SGerd Hoffmann /* ignore additional output */ 235f1ae32a1SGerd Hoffmann } 2369a77a0f5SHans de Goede break; 237f1ae32a1SGerd Hoffmann 238f1ae32a1SGerd Hoffmann case SETUP_STATE_DATA: 239f1ae32a1SGerd Hoffmann if (!(s->setup_buf[0] & USB_DIR_IN)) { 240f1ae32a1SGerd Hoffmann int len = s->setup_len - s->setup_index; 241f1ae32a1SGerd Hoffmann if (len > p->iov.size) { 242f1ae32a1SGerd Hoffmann len = p->iov.size; 243f1ae32a1SGerd Hoffmann } 244f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf + s->setup_index, len); 245f1ae32a1SGerd Hoffmann s->setup_index += len; 2469a77a0f5SHans de Goede if (s->setup_index >= s->setup_len) { 247f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_ACK; 248f1ae32a1SGerd Hoffmann } 2499a77a0f5SHans de Goede return; 2509a77a0f5SHans de Goede } 251f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 2529a77a0f5SHans de Goede p->status = USB_RET_STALL; 2539a77a0f5SHans de Goede break; 254f1ae32a1SGerd Hoffmann 255f1ae32a1SGerd Hoffmann default: 2569a77a0f5SHans de Goede p->status = USB_RET_STALL; 257f1ae32a1SGerd Hoffmann } 258f1ae32a1SGerd Hoffmann } 259f1ae32a1SGerd Hoffmann 2609a77a0f5SHans de Goede static void do_parameter(USBDevice *s, USBPacket *p) 261f1ae32a1SGerd Hoffmann { 2629a77a0f5SHans de Goede int i, request, value, index; 263f1ae32a1SGerd Hoffmann 264f1ae32a1SGerd Hoffmann for (i = 0; i < 8; i++) { 265f1ae32a1SGerd Hoffmann s->setup_buf[i] = p->parameter >> (i*8); 266f1ae32a1SGerd Hoffmann } 267f1ae32a1SGerd Hoffmann 268f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_PARAM; 269f1ae32a1SGerd Hoffmann s->setup_len = (s->setup_buf[7] << 8) | s->setup_buf[6]; 270f1ae32a1SGerd Hoffmann s->setup_index = 0; 271f1ae32a1SGerd Hoffmann 272f1ae32a1SGerd Hoffmann request = (s->setup_buf[0] << 8) | s->setup_buf[1]; 273f1ae32a1SGerd Hoffmann value = (s->setup_buf[3] << 8) | s->setup_buf[2]; 274f1ae32a1SGerd Hoffmann index = (s->setup_buf[5] << 8) | s->setup_buf[4]; 275f1ae32a1SGerd Hoffmann 276f1ae32a1SGerd Hoffmann if (s->setup_len > sizeof(s->data_buf)) { 277f1ae32a1SGerd Hoffmann fprintf(stderr, 278f1ae32a1SGerd Hoffmann "usb_generic_handle_packet: ctrl buffer too small (%d > %zu)\n", 279f1ae32a1SGerd Hoffmann s->setup_len, sizeof(s->data_buf)); 2809a77a0f5SHans de Goede p->status = USB_RET_STALL; 2819a77a0f5SHans de Goede return; 282f1ae32a1SGerd Hoffmann } 283f1ae32a1SGerd Hoffmann 284f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_OUT) { 285f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 286f1ae32a1SGerd Hoffmann } 287f1ae32a1SGerd Hoffmann 2889a77a0f5SHans de Goede usb_device_handle_control(s, p, request, value, index, 289f1ae32a1SGerd Hoffmann s->setup_len, s->data_buf); 2909a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 2919a77a0f5SHans de Goede return; 292f1ae32a1SGerd Hoffmann } 293f1ae32a1SGerd Hoffmann 2949a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 2959a77a0f5SHans de Goede s->setup_len = p->actual_length; 296f1ae32a1SGerd Hoffmann } 297f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 2989a77a0f5SHans de Goede p->actual_length = 0; 299f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 300f1ae32a1SGerd Hoffmann } 301f1ae32a1SGerd Hoffmann } 302f1ae32a1SGerd Hoffmann 303f1ae32a1SGerd Hoffmann /* ctrl complete function for devices which use usb_generic_handle_packet and 304f1ae32a1SGerd Hoffmann may return USB_RET_ASYNC from their handle_control callback. Device code 305f1ae32a1SGerd Hoffmann which does this *must* call this function instead of the normal 306f1ae32a1SGerd Hoffmann usb_packet_complete to complete their async control packets. */ 307f1ae32a1SGerd Hoffmann void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p) 308f1ae32a1SGerd Hoffmann { 3099a77a0f5SHans de Goede if (p->status < 0) { 310f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 311f1ae32a1SGerd Hoffmann } 312f1ae32a1SGerd Hoffmann 313f1ae32a1SGerd Hoffmann switch (s->setup_state) { 314f1ae32a1SGerd Hoffmann case SETUP_STATE_SETUP: 3159a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 3169a77a0f5SHans de Goede s->setup_len = p->actual_length; 317f1ae32a1SGerd Hoffmann } 318f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_DATA; 3199a77a0f5SHans de Goede p->actual_length = 8; 320f1ae32a1SGerd Hoffmann break; 321f1ae32a1SGerd Hoffmann 322f1ae32a1SGerd Hoffmann case SETUP_STATE_ACK: 323f1ae32a1SGerd Hoffmann s->setup_state = SETUP_STATE_IDLE; 3249a77a0f5SHans de Goede p->actual_length = 0; 325f1ae32a1SGerd Hoffmann break; 326f1ae32a1SGerd Hoffmann 327f1ae32a1SGerd Hoffmann case SETUP_STATE_PARAM: 3289a77a0f5SHans de Goede if (p->actual_length < s->setup_len) { 3299a77a0f5SHans de Goede s->setup_len = p->actual_length; 330f1ae32a1SGerd Hoffmann } 331f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 3329a77a0f5SHans de Goede p->actual_length = 0; 333f1ae32a1SGerd Hoffmann usb_packet_copy(p, s->data_buf, s->setup_len); 334f1ae32a1SGerd Hoffmann } 335f1ae32a1SGerd Hoffmann break; 336f1ae32a1SGerd Hoffmann 337f1ae32a1SGerd Hoffmann default: 338f1ae32a1SGerd Hoffmann break; 339f1ae32a1SGerd Hoffmann } 340f1ae32a1SGerd Hoffmann usb_packet_complete(s, p); 341f1ae32a1SGerd Hoffmann } 342f1ae32a1SGerd Hoffmann 343f1ae32a1SGerd Hoffmann USBDevice *usb_find_device(USBPort *port, uint8_t addr) 344f1ae32a1SGerd Hoffmann { 345f1ae32a1SGerd Hoffmann USBDevice *dev = port->dev; 346f1ae32a1SGerd Hoffmann 347f1ae32a1SGerd Hoffmann if (dev == NULL || !dev->attached || dev->state != USB_STATE_DEFAULT) { 348f1ae32a1SGerd Hoffmann return NULL; 349f1ae32a1SGerd Hoffmann } 350f1ae32a1SGerd Hoffmann if (dev->addr == addr) { 351f1ae32a1SGerd Hoffmann return dev; 352f1ae32a1SGerd Hoffmann } 353f1ae32a1SGerd Hoffmann return usb_device_find_device(dev, addr); 354f1ae32a1SGerd Hoffmann } 355f1ae32a1SGerd Hoffmann 3569a77a0f5SHans de Goede static void usb_process_one(USBPacket *p) 357f1ae32a1SGerd Hoffmann { 358f1ae32a1SGerd Hoffmann USBDevice *dev = p->ep->dev; 359f1ae32a1SGerd Hoffmann 3609a77a0f5SHans de Goede /* 3619a77a0f5SHans de Goede * Handlers expect status to be initialized to USB_RET_SUCCESS, but it 3629a77a0f5SHans de Goede * can be USB_RET_NAK here from a previous usb_process_one() call, 3639a77a0f5SHans de Goede * or USB_RET_ASYNC from going through usb_queue_one(). 3649a77a0f5SHans de Goede */ 3659a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; 3669a77a0f5SHans de Goede 367f1ae32a1SGerd Hoffmann if (p->ep->nr == 0) { 368f1ae32a1SGerd Hoffmann /* control pipe */ 369f1ae32a1SGerd Hoffmann if (p->parameter) { 3709a77a0f5SHans de Goede do_parameter(dev, p); 3719a77a0f5SHans de Goede return; 372f1ae32a1SGerd Hoffmann } 373f1ae32a1SGerd Hoffmann switch (p->pid) { 374f1ae32a1SGerd Hoffmann case USB_TOKEN_SETUP: 3759a77a0f5SHans de Goede do_token_setup(dev, p); 3769a77a0f5SHans de Goede break; 377f1ae32a1SGerd Hoffmann case USB_TOKEN_IN: 3789a77a0f5SHans de Goede do_token_in(dev, p); 3799a77a0f5SHans de Goede break; 380f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT: 3819a77a0f5SHans de Goede do_token_out(dev, p); 3829a77a0f5SHans de Goede break; 383f1ae32a1SGerd Hoffmann default: 3849a77a0f5SHans de Goede p->status = USB_RET_STALL; 385f1ae32a1SGerd Hoffmann } 386f1ae32a1SGerd Hoffmann } else { 387f1ae32a1SGerd Hoffmann /* data pipe */ 3889a77a0f5SHans de Goede usb_device_handle_data(dev, p); 389f1ae32a1SGerd Hoffmann } 390f1ae32a1SGerd Hoffmann } 391f1ae32a1SGerd Hoffmann 3929a77a0f5SHans de Goede static void usb_queue_one(USBPacket *p) 3939a77a0f5SHans de Goede { 3949a77a0f5SHans de Goede usb_packet_set_state(p, USB_PACKET_QUEUED); 3959a77a0f5SHans de Goede QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); 3969a77a0f5SHans de Goede p->status = USB_RET_ASYNC; 3979a77a0f5SHans de Goede } 3989a77a0f5SHans de Goede 3999a77a0f5SHans de Goede /* Hand over a packet to a device for processing. p->status == 400f1ae32a1SGerd Hoffmann USB_RET_ASYNC indicates the processing isn't finished yet, the 401f1ae32a1SGerd Hoffmann driver will call usb_packet_complete() when done processing it. */ 4029a77a0f5SHans de Goede void usb_handle_packet(USBDevice *dev, USBPacket *p) 403f1ae32a1SGerd Hoffmann { 404f1ae32a1SGerd Hoffmann if (dev == NULL) { 4059a77a0f5SHans de Goede p->status = USB_RET_NODEV; 4069a77a0f5SHans de Goede return; 407f1ae32a1SGerd Hoffmann } 408f1ae32a1SGerd Hoffmann assert(dev == p->ep->dev); 409f1ae32a1SGerd Hoffmann assert(dev->state == USB_STATE_DEFAULT); 4105ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_SETUP); 411f1ae32a1SGerd Hoffmann assert(p->ep != NULL); 412f1ae32a1SGerd Hoffmann 4130132b4b6SHans de Goede /* Submitting a new packet clears halt */ 4140132b4b6SHans de Goede if (p->ep->halted) { 4150132b4b6SHans de Goede assert(QTAILQ_EMPTY(&p->ep->queue)); 4160132b4b6SHans de Goede p->ep->halted = false; 4170132b4b6SHans de Goede } 4180132b4b6SHans de Goede 419c96c41edSGerd Hoffmann if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline || p->stream) { 4209a77a0f5SHans de Goede usb_process_one(p); 4219a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 422be41efdeSHans de Goede /* hcd drivers cannot handle async for isoc */ 423aaac7434SHans de Goede assert(p->ep->type != USB_ENDPOINT_XFER_ISOC); 424be41efdeSHans de Goede /* using async for interrupt packets breaks migration */ 425be41efdeSHans de Goede assert(p->ep->type != USB_ENDPOINT_XFER_INT || 42675633529SMichael Marineau (dev->flags & (1 << USB_DEV_FLAG_IS_HOST))); 427f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_ASYNC); 428f1ae32a1SGerd Hoffmann QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue); 4299a77a0f5SHans de Goede } else if (p->status == USB_RET_ADD_TO_QUEUE) { 4309a77a0f5SHans de Goede usb_queue_one(p); 431f1ae32a1SGerd Hoffmann } else { 4320132b4b6SHans de Goede /* 4330132b4b6SHans de Goede * When pipelining is enabled usb-devices must always return async, 4340132b4b6SHans de Goede * otherwise packets can complete out of order! 4350132b4b6SHans de Goede */ 436c96c41edSGerd Hoffmann assert(p->stream || !p->ep->pipeline || 437c96c41edSGerd Hoffmann QTAILQ_EMPTY(&p->ep->queue)); 4389a77a0f5SHans de Goede if (p->status != USB_RET_NAK) { 439f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_COMPLETE); 440f1ae32a1SGerd Hoffmann } 441cc409974SHans de Goede } 442f1ae32a1SGerd Hoffmann } else { 4439a77a0f5SHans de Goede usb_queue_one(p); 444f1ae32a1SGerd Hoffmann } 445f1ae32a1SGerd Hoffmann } 446f1ae32a1SGerd Hoffmann 447d0ff81b8SHans de Goede void usb_packet_complete_one(USBDevice *dev, USBPacket *p) 4480132b4b6SHans de Goede { 4490132b4b6SHans de Goede USBEndpoint *ep = p->ep; 4500132b4b6SHans de Goede 451c96c41edSGerd Hoffmann assert(p->stream || QTAILQ_FIRST(&ep->queue) == p); 4529a77a0f5SHans de Goede assert(p->status != USB_RET_ASYNC && p->status != USB_RET_NAK); 4530132b4b6SHans de Goede 4549a77a0f5SHans de Goede if (p->status != USB_RET_SUCCESS || 4559a77a0f5SHans de Goede (p->short_not_ok && (p->actual_length < p->iov.size))) { 4560132b4b6SHans de Goede ep->halted = true; 4570132b4b6SHans de Goede } 4580132b4b6SHans de Goede usb_packet_set_state(p, USB_PACKET_COMPLETE); 4590132b4b6SHans de Goede QTAILQ_REMOVE(&ep->queue, p, queue); 4600132b4b6SHans de Goede dev->port->ops->complete(dev->port, p); 4610132b4b6SHans de Goede } 4620132b4b6SHans de Goede 463f1ae32a1SGerd Hoffmann /* Notify the controller that an async packet is complete. This should only 464f1ae32a1SGerd Hoffmann be called for packets previously deferred by returning USB_RET_ASYNC from 465f1ae32a1SGerd Hoffmann handle_packet. */ 466f1ae32a1SGerd Hoffmann void usb_packet_complete(USBDevice *dev, USBPacket *p) 467f1ae32a1SGerd Hoffmann { 468f1ae32a1SGerd Hoffmann USBEndpoint *ep = p->ep; 469f1ae32a1SGerd Hoffmann 4705ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_ASYNC); 471d0ff81b8SHans de Goede usb_packet_complete_one(dev, p); 472f1ae32a1SGerd Hoffmann 4730cae7b1aSHans de Goede while (!QTAILQ_EMPTY(&ep->queue)) { 474f1ae32a1SGerd Hoffmann p = QTAILQ_FIRST(&ep->queue); 4750cae7b1aSHans de Goede if (ep->halted) { 4760cae7b1aSHans de Goede /* Empty the queue on a halt */ 4779a77a0f5SHans de Goede p->status = USB_RET_REMOVE_FROM_QUEUE; 4780cae7b1aSHans de Goede dev->port->ops->complete(dev->port, p); 4790cae7b1aSHans de Goede continue; 4800cae7b1aSHans de Goede } 481f1ae32a1SGerd Hoffmann if (p->state == USB_PACKET_ASYNC) { 482f1ae32a1SGerd Hoffmann break; 483f1ae32a1SGerd Hoffmann } 4845ac2731cSGerd Hoffmann usb_packet_check_state(p, USB_PACKET_QUEUED); 4859a77a0f5SHans de Goede usb_process_one(p); 4869a77a0f5SHans de Goede if (p->status == USB_RET_ASYNC) { 487f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_ASYNC); 488f1ae32a1SGerd Hoffmann break; 489f1ae32a1SGerd Hoffmann } 490d0ff81b8SHans de Goede usb_packet_complete_one(ep->dev, p); 491f1ae32a1SGerd Hoffmann } 492f1ae32a1SGerd Hoffmann } 493f1ae32a1SGerd Hoffmann 494f1ae32a1SGerd Hoffmann /* Cancel an active packet. The packed must have been deferred by 495f1ae32a1SGerd Hoffmann returning USB_RET_ASYNC from handle_packet, and not yet 496f1ae32a1SGerd Hoffmann completed. */ 497f1ae32a1SGerd Hoffmann void usb_cancel_packet(USBPacket * p) 498f1ae32a1SGerd Hoffmann { 499f1ae32a1SGerd Hoffmann bool callback = (p->state == USB_PACKET_ASYNC); 500f1ae32a1SGerd Hoffmann assert(usb_packet_is_inflight(p)); 501f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_CANCELED); 502f1ae32a1SGerd Hoffmann QTAILQ_REMOVE(&p->ep->queue, p, queue); 503f1ae32a1SGerd Hoffmann if (callback) { 504f1ae32a1SGerd Hoffmann usb_device_cancel_packet(p->ep->dev, p); 505f1ae32a1SGerd Hoffmann } 506f1ae32a1SGerd Hoffmann } 507f1ae32a1SGerd Hoffmann 508f1ae32a1SGerd Hoffmann 509f1ae32a1SGerd Hoffmann void usb_packet_init(USBPacket *p) 510f1ae32a1SGerd Hoffmann { 511f1ae32a1SGerd Hoffmann qemu_iovec_init(&p->iov, 1); 512f1ae32a1SGerd Hoffmann } 513f1ae32a1SGerd Hoffmann 5145ac2731cSGerd Hoffmann static const char *usb_packet_state_name(USBPacketState state) 515f1ae32a1SGerd Hoffmann { 516f1ae32a1SGerd Hoffmann static const char *name[] = { 517f1ae32a1SGerd Hoffmann [USB_PACKET_UNDEFINED] = "undef", 518f1ae32a1SGerd Hoffmann [USB_PACKET_SETUP] = "setup", 519f1ae32a1SGerd Hoffmann [USB_PACKET_QUEUED] = "queued", 520f1ae32a1SGerd Hoffmann [USB_PACKET_ASYNC] = "async", 521f1ae32a1SGerd Hoffmann [USB_PACKET_COMPLETE] = "complete", 522f1ae32a1SGerd Hoffmann [USB_PACKET_CANCELED] = "canceled", 523f1ae32a1SGerd Hoffmann }; 5245ac2731cSGerd Hoffmann if (state < ARRAY_SIZE(name)) { 5255ac2731cSGerd Hoffmann return name[state]; 5265ac2731cSGerd Hoffmann } 5275ac2731cSGerd Hoffmann return "INVALID"; 5285ac2731cSGerd Hoffmann } 5295ac2731cSGerd Hoffmann 5305ac2731cSGerd Hoffmann void usb_packet_check_state(USBPacket *p, USBPacketState expected) 5315ac2731cSGerd Hoffmann { 5325ac2731cSGerd Hoffmann USBDevice *dev; 5335ac2731cSGerd Hoffmann USBBus *bus; 5345ac2731cSGerd Hoffmann 5355ac2731cSGerd Hoffmann if (p->state == expected) { 5365ac2731cSGerd Hoffmann return; 5375ac2731cSGerd Hoffmann } 5385ac2731cSGerd Hoffmann dev = p->ep->dev; 5395ac2731cSGerd Hoffmann bus = usb_bus_from_device(dev); 5405ac2731cSGerd Hoffmann trace_usb_packet_state_fault(bus->busnr, dev->port->path, p->ep->nr, p, 5415ac2731cSGerd Hoffmann usb_packet_state_name(p->state), 5425ac2731cSGerd Hoffmann usb_packet_state_name(expected)); 5435ac2731cSGerd Hoffmann assert(!"usb packet state check failed"); 5445ac2731cSGerd Hoffmann } 5455ac2731cSGerd Hoffmann 5465ac2731cSGerd Hoffmann void usb_packet_set_state(USBPacket *p, USBPacketState state) 5475ac2731cSGerd Hoffmann { 548f5bf14bfSGerd Hoffmann if (p->ep) { 549f1ae32a1SGerd Hoffmann USBDevice *dev = p->ep->dev; 550f1ae32a1SGerd Hoffmann USBBus *bus = usb_bus_from_device(dev); 5515ac2731cSGerd Hoffmann trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr, p, 5525ac2731cSGerd Hoffmann usb_packet_state_name(p->state), 5535ac2731cSGerd Hoffmann usb_packet_state_name(state)); 554f5bf14bfSGerd Hoffmann } else { 555f5bf14bfSGerd Hoffmann trace_usb_packet_state_change(-1, "", -1, p, 556f5bf14bfSGerd Hoffmann usb_packet_state_name(p->state), 557f5bf14bfSGerd Hoffmann usb_packet_state_name(state)); 558f5bf14bfSGerd Hoffmann } 559f1ae32a1SGerd Hoffmann p->state = state; 560f1ae32a1SGerd Hoffmann } 561f1ae32a1SGerd Hoffmann 5628550a02dSGerd Hoffmann void usb_packet_setup(USBPacket *p, int pid, 5638550a02dSGerd Hoffmann USBEndpoint *ep, unsigned int stream, 5648550a02dSGerd Hoffmann uint64_t id, bool short_not_ok, bool int_req) 565f1ae32a1SGerd Hoffmann { 566f1ae32a1SGerd Hoffmann assert(!usb_packet_is_inflight(p)); 5670cc6a0f1SGerd Hoffmann assert(p->iov.iov != NULL); 568e983395dSGerd Hoffmann p->id = id; 569f1ae32a1SGerd Hoffmann p->pid = pid; 570f1ae32a1SGerd Hoffmann p->ep = ep; 5718550a02dSGerd Hoffmann p->stream = stream; 5729a77a0f5SHans de Goede p->status = USB_RET_SUCCESS; 5739a77a0f5SHans de Goede p->actual_length = 0; 574f1ae32a1SGerd Hoffmann p->parameter = 0; 5756ba43f1fSHans de Goede p->short_not_ok = short_not_ok; 576a6fb2ddbSHans de Goede p->int_req = int_req; 577a552a966SHans de Goede p->combined = NULL; 578f1ae32a1SGerd Hoffmann qemu_iovec_reset(&p->iov); 579f1ae32a1SGerd Hoffmann usb_packet_set_state(p, USB_PACKET_SETUP); 580f1ae32a1SGerd Hoffmann } 581f1ae32a1SGerd Hoffmann 582f1ae32a1SGerd Hoffmann void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len) 583f1ae32a1SGerd Hoffmann { 584f1ae32a1SGerd Hoffmann qemu_iovec_add(&p->iov, ptr, len); 585f1ae32a1SGerd Hoffmann } 586f1ae32a1SGerd Hoffmann 587f1ae32a1SGerd Hoffmann void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes) 588f1ae32a1SGerd Hoffmann { 5896a98d1c0SGerd Hoffmann QEMUIOVector *iov = p->combined ? &p->combined->iov : &p->iov; 5906a98d1c0SGerd Hoffmann 5919a77a0f5SHans de Goede assert(p->actual_length >= 0); 5926a98d1c0SGerd Hoffmann assert(p->actual_length + bytes <= iov->size); 593f1ae32a1SGerd Hoffmann switch (p->pid) { 594f1ae32a1SGerd Hoffmann case USB_TOKEN_SETUP: 595f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT: 5966a98d1c0SGerd Hoffmann iov_to_buf(iov->iov, iov->niov, p->actual_length, ptr, bytes); 597f1ae32a1SGerd Hoffmann break; 598f1ae32a1SGerd Hoffmann case USB_TOKEN_IN: 5996a98d1c0SGerd Hoffmann iov_from_buf(iov->iov, iov->niov, p->actual_length, ptr, bytes); 600f1ae32a1SGerd Hoffmann break; 601f1ae32a1SGerd Hoffmann default: 602f1ae32a1SGerd Hoffmann fprintf(stderr, "%s: invalid pid: %x\n", __func__, p->pid); 603f1ae32a1SGerd Hoffmann abort(); 604f1ae32a1SGerd Hoffmann } 6059a77a0f5SHans de Goede p->actual_length += bytes; 606f1ae32a1SGerd Hoffmann } 607f1ae32a1SGerd Hoffmann 608f1ae32a1SGerd Hoffmann void usb_packet_skip(USBPacket *p, size_t bytes) 609f1ae32a1SGerd Hoffmann { 6106a98d1c0SGerd Hoffmann QEMUIOVector *iov = p->combined ? &p->combined->iov : &p->iov; 6116a98d1c0SGerd Hoffmann 6129a77a0f5SHans de Goede assert(p->actual_length >= 0); 6136a98d1c0SGerd Hoffmann assert(p->actual_length + bytes <= iov->size); 614f1ae32a1SGerd Hoffmann if (p->pid == USB_TOKEN_IN) { 6156a98d1c0SGerd Hoffmann iov_memset(iov->iov, iov->niov, p->actual_length, 0, bytes); 616f1ae32a1SGerd Hoffmann } 6179a77a0f5SHans de Goede p->actual_length += bytes; 618f1ae32a1SGerd Hoffmann } 619f1ae32a1SGerd Hoffmann 6206a98d1c0SGerd Hoffmann size_t usb_packet_size(USBPacket *p) 6216a98d1c0SGerd Hoffmann { 6226a98d1c0SGerd Hoffmann return p->combined ? p->combined->iov.size : p->iov.size; 6236a98d1c0SGerd Hoffmann } 6246a98d1c0SGerd Hoffmann 625f1ae32a1SGerd Hoffmann void usb_packet_cleanup(USBPacket *p) 626f1ae32a1SGerd Hoffmann { 627f1ae32a1SGerd Hoffmann assert(!usb_packet_is_inflight(p)); 628f1ae32a1SGerd Hoffmann qemu_iovec_destroy(&p->iov); 629f1ae32a1SGerd Hoffmann } 630f1ae32a1SGerd Hoffmann 63119deaa08SGerd Hoffmann void usb_ep_reset(USBDevice *dev) 632f1ae32a1SGerd Hoffmann { 633f1ae32a1SGerd Hoffmann int ep; 634f1ae32a1SGerd Hoffmann 635f1ae32a1SGerd Hoffmann dev->ep_ctl.nr = 0; 636f1ae32a1SGerd Hoffmann dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL; 637f1ae32a1SGerd Hoffmann dev->ep_ctl.ifnum = 0; 6389adbaad3SHans de Goede dev->ep_ctl.max_packet_size = 64; 63904b300f8SHans de Goede dev->ep_ctl.max_streams = 0; 640f1ae32a1SGerd Hoffmann dev->ep_ctl.dev = dev; 641f1ae32a1SGerd Hoffmann dev->ep_ctl.pipeline = false; 642f1ae32a1SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 643f1ae32a1SGerd Hoffmann dev->ep_in[ep].nr = ep + 1; 644f1ae32a1SGerd Hoffmann dev->ep_out[ep].nr = ep + 1; 645f1ae32a1SGerd Hoffmann dev->ep_in[ep].pid = USB_TOKEN_IN; 646f1ae32a1SGerd Hoffmann dev->ep_out[ep].pid = USB_TOKEN_OUT; 647f1ae32a1SGerd Hoffmann dev->ep_in[ep].type = USB_ENDPOINT_XFER_INVALID; 648f1ae32a1SGerd Hoffmann dev->ep_out[ep].type = USB_ENDPOINT_XFER_INVALID; 6497c37e6a4SGerd Hoffmann dev->ep_in[ep].ifnum = USB_INTERFACE_INVALID; 6507c37e6a4SGerd Hoffmann dev->ep_out[ep].ifnum = USB_INTERFACE_INVALID; 6519adbaad3SHans de Goede dev->ep_in[ep].max_packet_size = 0; 6529adbaad3SHans de Goede dev->ep_out[ep].max_packet_size = 0; 65304b300f8SHans de Goede dev->ep_in[ep].max_streams = 0; 65404b300f8SHans de Goede dev->ep_out[ep].max_streams = 0; 655f1ae32a1SGerd Hoffmann dev->ep_in[ep].dev = dev; 656f1ae32a1SGerd Hoffmann dev->ep_out[ep].dev = dev; 657f1ae32a1SGerd Hoffmann dev->ep_in[ep].pipeline = false; 658f1ae32a1SGerd Hoffmann dev->ep_out[ep].pipeline = false; 65919deaa08SGerd Hoffmann } 66019deaa08SGerd Hoffmann } 66119deaa08SGerd Hoffmann 66219deaa08SGerd Hoffmann void usb_ep_init(USBDevice *dev) 66319deaa08SGerd Hoffmann { 66419deaa08SGerd Hoffmann int ep; 66519deaa08SGerd Hoffmann 66619deaa08SGerd Hoffmann usb_ep_reset(dev); 66719deaa08SGerd Hoffmann QTAILQ_INIT(&dev->ep_ctl.queue); 66819deaa08SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 669f1ae32a1SGerd Hoffmann QTAILQ_INIT(&dev->ep_in[ep].queue); 670f1ae32a1SGerd Hoffmann QTAILQ_INIT(&dev->ep_out[ep].queue); 671f1ae32a1SGerd Hoffmann } 672f1ae32a1SGerd Hoffmann } 673f1ae32a1SGerd Hoffmann 674f1ae32a1SGerd Hoffmann void usb_ep_dump(USBDevice *dev) 675f1ae32a1SGerd Hoffmann { 676f1ae32a1SGerd Hoffmann static const char *tname[] = { 677f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_CONTROL] = "control", 678f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_ISOC] = "isoc", 679f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_BULK] = "bulk", 680f1ae32a1SGerd Hoffmann [USB_ENDPOINT_XFER_INT] = "int", 681f1ae32a1SGerd Hoffmann }; 682f1ae32a1SGerd Hoffmann int ifnum, ep, first; 683f1ae32a1SGerd Hoffmann 684f1ae32a1SGerd Hoffmann fprintf(stderr, "Device \"%s\", config %d\n", 685f1ae32a1SGerd Hoffmann dev->product_desc, dev->configuration); 686f1ae32a1SGerd Hoffmann for (ifnum = 0; ifnum < 16; ifnum++) { 687f1ae32a1SGerd Hoffmann first = 1; 688f1ae32a1SGerd Hoffmann for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { 689f1ae32a1SGerd Hoffmann if (dev->ep_in[ep].type != USB_ENDPOINT_XFER_INVALID && 690f1ae32a1SGerd Hoffmann dev->ep_in[ep].ifnum == ifnum) { 691f1ae32a1SGerd Hoffmann if (first) { 692f1ae32a1SGerd Hoffmann first = 0; 693f1ae32a1SGerd Hoffmann fprintf(stderr, " Interface %d, alternative %d\n", 694f1ae32a1SGerd Hoffmann ifnum, dev->altsetting[ifnum]); 695f1ae32a1SGerd Hoffmann } 696f1ae32a1SGerd Hoffmann fprintf(stderr, " Endpoint %d, IN, %s, %d max\n", ep, 697f1ae32a1SGerd Hoffmann tname[dev->ep_in[ep].type], 698f1ae32a1SGerd Hoffmann dev->ep_in[ep].max_packet_size); 699f1ae32a1SGerd Hoffmann } 700f1ae32a1SGerd Hoffmann if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID && 701f1ae32a1SGerd Hoffmann dev->ep_out[ep].ifnum == ifnum) { 702f1ae32a1SGerd Hoffmann if (first) { 703f1ae32a1SGerd Hoffmann first = 0; 704f1ae32a1SGerd Hoffmann fprintf(stderr, " Interface %d, alternative %d\n", 705f1ae32a1SGerd Hoffmann ifnum, dev->altsetting[ifnum]); 706f1ae32a1SGerd Hoffmann } 707f1ae32a1SGerd Hoffmann fprintf(stderr, " Endpoint %d, OUT, %s, %d max\n", ep, 708f1ae32a1SGerd Hoffmann tname[dev->ep_out[ep].type], 709f1ae32a1SGerd Hoffmann dev->ep_out[ep].max_packet_size); 710f1ae32a1SGerd Hoffmann } 711f1ae32a1SGerd Hoffmann } 712f1ae32a1SGerd Hoffmann } 713f1ae32a1SGerd Hoffmann fprintf(stderr, "--\n"); 714f1ae32a1SGerd Hoffmann } 715f1ae32a1SGerd Hoffmann 716f1ae32a1SGerd Hoffmann struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep) 717f1ae32a1SGerd Hoffmann { 718f1ae32a1SGerd Hoffmann struct USBEndpoint *eps; 719f1ae32a1SGerd Hoffmann 720f1ae32a1SGerd Hoffmann if (dev == NULL) { 721f1ae32a1SGerd Hoffmann return NULL; 722f1ae32a1SGerd Hoffmann } 723f1ae32a1SGerd Hoffmann eps = (pid == USB_TOKEN_IN) ? dev->ep_in : dev->ep_out; 724f1ae32a1SGerd Hoffmann if (ep == 0) { 725f1ae32a1SGerd Hoffmann return &dev->ep_ctl; 726f1ae32a1SGerd Hoffmann } 727f1ae32a1SGerd Hoffmann assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT); 728f1ae32a1SGerd Hoffmann assert(ep > 0 && ep <= USB_MAX_ENDPOINTS); 729f1ae32a1SGerd Hoffmann return eps + ep - 1; 730f1ae32a1SGerd Hoffmann } 731f1ae32a1SGerd Hoffmann 732f1ae32a1SGerd Hoffmann uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep) 733f1ae32a1SGerd Hoffmann { 734f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 735f1ae32a1SGerd Hoffmann return uep->type; 736f1ae32a1SGerd Hoffmann } 737f1ae32a1SGerd Hoffmann 738f1ae32a1SGerd Hoffmann void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type) 739f1ae32a1SGerd Hoffmann { 740f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 741f1ae32a1SGerd Hoffmann uep->type = type; 742f1ae32a1SGerd Hoffmann } 743f1ae32a1SGerd Hoffmann 744f1ae32a1SGerd Hoffmann void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum) 745f1ae32a1SGerd Hoffmann { 746f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 747f1ae32a1SGerd Hoffmann uep->ifnum = ifnum; 748f1ae32a1SGerd Hoffmann } 749f1ae32a1SGerd Hoffmann 750f1ae32a1SGerd Hoffmann void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 751f1ae32a1SGerd Hoffmann uint16_t raw) 752f1ae32a1SGerd Hoffmann { 753f1ae32a1SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 754f1ae32a1SGerd Hoffmann int size, microframes; 755f1ae32a1SGerd Hoffmann 756f1ae32a1SGerd Hoffmann size = raw & 0x7ff; 757f1ae32a1SGerd Hoffmann switch ((raw >> 11) & 3) { 758f1ae32a1SGerd Hoffmann case 1: 759f1ae32a1SGerd Hoffmann microframes = 2; 760f1ae32a1SGerd Hoffmann break; 761f1ae32a1SGerd Hoffmann case 2: 762f1ae32a1SGerd Hoffmann microframes = 3; 763f1ae32a1SGerd Hoffmann break; 764f1ae32a1SGerd Hoffmann default: 765f1ae32a1SGerd Hoffmann microframes = 1; 766f1ae32a1SGerd Hoffmann break; 767f1ae32a1SGerd Hoffmann } 768f1ae32a1SGerd Hoffmann uep->max_packet_size = size * microframes; 769f1ae32a1SGerd Hoffmann } 770f1ae32a1SGerd Hoffmann 77104b300f8SHans de Goede void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw) 77204b300f8SHans de Goede { 77304b300f8SHans de Goede struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 77404b300f8SHans de Goede int MaxStreams; 77504b300f8SHans de Goede 77604b300f8SHans de Goede MaxStreams = raw & 0x1f; 77704b300f8SHans de Goede if (MaxStreams) { 77804b300f8SHans de Goede uep->max_streams = 1 << MaxStreams; 77904b300f8SHans de Goede } else { 78004b300f8SHans de Goede uep->max_streams = 0; 78104b300f8SHans de Goede } 78204b300f8SHans de Goede } 78304b300f8SHans de Goede 784e382d966SGerd Hoffmann void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted) 785e382d966SGerd Hoffmann { 786e382d966SGerd Hoffmann struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 787e382d966SGerd Hoffmann uep->halted = halted; 788e382d966SGerd Hoffmann } 789e382d966SGerd Hoffmann 790c13a9e61SHans de Goede USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 791c13a9e61SHans de Goede uint64_t id) 792c13a9e61SHans de Goede { 793c13a9e61SHans de Goede struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); 794c13a9e61SHans de Goede USBPacket *p; 795c13a9e61SHans de Goede 7966735d433SHans de Goede QTAILQ_FOREACH(p, &uep->queue, queue) { 797c13a9e61SHans de Goede if (p->id == id) { 798c13a9e61SHans de Goede return p; 799c13a9e61SHans de Goede } 800c13a9e61SHans de Goede } 801c13a9e61SHans de Goede 802c13a9e61SHans de Goede return NULL; 803c13a9e61SHans de Goede } 804