531 lines
17 KiB
C
531 lines
17 KiB
C
#ifndef QEMU_USB_H
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#define QEMU_USB_H
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/*
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* QEMU USB API
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*
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* Copyright (c) 2005 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qdev.h"
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#include "qemu-queue.h"
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/* Constants related to the USB / PCI interaction */
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#define USB_SBRN 0x60 /* Serial Bus Release Number Register */
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#define USB_RELEASE_1 0x10 /* USB 1.0 */
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#define USB_RELEASE_2 0x20 /* USB 2.0 */
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#define USB_RELEASE_3 0x30 /* USB 3.0 */
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#define USB_TOKEN_SETUP 0x2d
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#define USB_TOKEN_IN 0x69 /* device -> host */
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#define USB_TOKEN_OUT 0xe1 /* host -> device */
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#define USB_RET_NODEV (-1)
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#define USB_RET_NAK (-2)
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#define USB_RET_STALL (-3)
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#define USB_RET_BABBLE (-4)
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#define USB_RET_IOERROR (-5)
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#define USB_RET_ASYNC (-6)
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#define USB_RET_ADD_TO_QUEUE (-7)
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#define USB_RET_REMOVE_FROM_QUEUE (-8)
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#define USB_SPEED_LOW 0
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#define USB_SPEED_FULL 1
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#define USB_SPEED_HIGH 2
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#define USB_SPEED_SUPER 3
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#define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW)
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#define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL)
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#define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH)
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#define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER)
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#define USB_STATE_NOTATTACHED 0
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#define USB_STATE_ATTACHED 1
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//#define USB_STATE_POWERED 2
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#define USB_STATE_DEFAULT 3
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//#define USB_STATE_ADDRESS 4
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//#define USB_STATE_CONFIGURED 5
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#define USB_STATE_SUSPENDED 6
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#define USB_CLASS_AUDIO 1
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#define USB_CLASS_COMM 2
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#define USB_CLASS_HID 3
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#define USB_CLASS_PHYSICAL 5
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#define USB_CLASS_STILL_IMAGE 6
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#define USB_CLASS_PRINTER 7
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#define USB_CLASS_MASS_STORAGE 8
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#define USB_CLASS_HUB 9
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#define USB_CLASS_CDC_DATA 0x0a
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#define USB_CLASS_CSCID 0x0b
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#define USB_CLASS_CONTENT_SEC 0x0d
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#define USB_CLASS_APP_SPEC 0xfe
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#define USB_CLASS_VENDOR_SPEC 0xff
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#define USB_SUBCLASS_UNDEFINED 0
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#define USB_SUBCLASS_AUDIO_CONTROL 1
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#define USB_SUBCLASS_AUDIO_STREAMING 2
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#define USB_SUBCLASS_AUDIO_MIDISTREAMING 3
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#define USB_DIR_OUT 0
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#define USB_DIR_IN 0x80
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#define USB_TYPE_MASK (0x03 << 5)
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#define USB_TYPE_STANDARD (0x00 << 5)
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#define USB_TYPE_CLASS (0x01 << 5)
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#define USB_TYPE_VENDOR (0x02 << 5)
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#define USB_TYPE_RESERVED (0x03 << 5)
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#define USB_RECIP_MASK 0x1f
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#define USB_RECIP_DEVICE 0x00
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#define USB_RECIP_INTERFACE 0x01
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#define USB_RECIP_ENDPOINT 0x02
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#define USB_RECIP_OTHER 0x03
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#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
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#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
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#define InterfaceRequest \
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((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
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#define InterfaceOutRequest \
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((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
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#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
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#define EndpointOutRequest \
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((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
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#define ClassInterfaceRequest \
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((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
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#define ClassInterfaceOutRequest \
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((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
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#define USB_REQ_GET_STATUS 0x00
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#define USB_REQ_CLEAR_FEATURE 0x01
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#define USB_REQ_SET_FEATURE 0x03
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#define USB_REQ_SET_ADDRESS 0x05
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#define USB_REQ_GET_DESCRIPTOR 0x06
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#define USB_REQ_SET_DESCRIPTOR 0x07
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#define USB_REQ_GET_CONFIGURATION 0x08
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#define USB_REQ_SET_CONFIGURATION 0x09
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#define USB_REQ_GET_INTERFACE 0x0A
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#define USB_REQ_SET_INTERFACE 0x0B
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#define USB_REQ_SYNCH_FRAME 0x0C
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#define USB_DEVICE_SELF_POWERED 0
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#define USB_DEVICE_REMOTE_WAKEUP 1
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#define USB_DT_DEVICE 0x01
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#define USB_DT_CONFIG 0x02
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#define USB_DT_STRING 0x03
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#define USB_DT_INTERFACE 0x04
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#define USB_DT_ENDPOINT 0x05
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#define USB_DT_DEVICE_QUALIFIER 0x06
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#define USB_DT_OTHER_SPEED_CONFIG 0x07
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#define USB_DT_DEBUG 0x0A
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#define USB_DT_INTERFACE_ASSOC 0x0B
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#define USB_DT_BOS 0x0F
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#define USB_DT_DEVICE_CAPABILITY 0x10
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#define USB_DT_CS_INTERFACE 0x24
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#define USB_DT_CS_ENDPOINT 0x25
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#define USB_DT_ENDPOINT_COMPANION 0x30
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#define USB_DEV_CAP_WIRELESS 0x01
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#define USB_DEV_CAP_USB2_EXT 0x02
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#define USB_DEV_CAP_SUPERSPEED 0x03
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#define USB_ENDPOINT_XFER_CONTROL 0
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#define USB_ENDPOINT_XFER_ISOC 1
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#define USB_ENDPOINT_XFER_BULK 2
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#define USB_ENDPOINT_XFER_INT 3
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#define USB_ENDPOINT_XFER_INVALID 255
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#define USB_INTERFACE_INVALID 255
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typedef struct USBBus USBBus;
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typedef struct USBBusOps USBBusOps;
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typedef struct USBPort USBPort;
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typedef struct USBDevice USBDevice;
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typedef struct USBPacket USBPacket;
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typedef struct USBEndpoint USBEndpoint;
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typedef struct USBDesc USBDesc;
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typedef struct USBDescID USBDescID;
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typedef struct USBDescDevice USBDescDevice;
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typedef struct USBDescConfig USBDescConfig;
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typedef struct USBDescIfaceAssoc USBDescIfaceAssoc;
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typedef struct USBDescIface USBDescIface;
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typedef struct USBDescEndpoint USBDescEndpoint;
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typedef struct USBDescOther USBDescOther;
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typedef struct USBDescString USBDescString;
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struct USBDescString {
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uint8_t index;
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char *str;
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QLIST_ENTRY(USBDescString) next;
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};
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#define USB_MAX_ENDPOINTS 15
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#define USB_MAX_INTERFACES 16
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struct USBEndpoint {
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uint8_t nr;
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uint8_t pid;
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uint8_t type;
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uint8_t ifnum;
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int max_packet_size;
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bool pipeline;
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bool halted;
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USBDevice *dev;
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QTAILQ_HEAD(, USBPacket) queue;
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};
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enum USBDeviceFlags {
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USB_DEV_FLAG_FULL_PATH,
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};
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/* definition of a USB device */
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struct USBDevice {
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DeviceState qdev;
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USBPort *port;
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char *port_path;
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void *opaque;
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uint32_t flags;
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/* Actual connected speed */
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int speed;
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/* Supported speeds, not in info because it may be variable (hostdevs) */
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int speedmask;
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uint8_t addr;
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char product_desc[32];
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int auto_attach;
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int attached;
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int32_t state;
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uint8_t setup_buf[8];
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uint8_t data_buf[4096];
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int32_t remote_wakeup;
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int32_t setup_state;
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int32_t setup_len;
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int32_t setup_index;
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USBEndpoint ep_ctl;
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USBEndpoint ep_in[USB_MAX_ENDPOINTS];
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USBEndpoint ep_out[USB_MAX_ENDPOINTS];
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QLIST_HEAD(, USBDescString) strings;
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const USBDescDevice *device;
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int configuration;
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int ninterfaces;
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int altsetting[USB_MAX_INTERFACES];
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const USBDescConfig *config;
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const USBDescIface *ifaces[USB_MAX_INTERFACES];
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};
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#define TYPE_USB_DEVICE "usb-device"
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#define USB_DEVICE(obj) \
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OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
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#define USB_DEVICE_CLASS(klass) \
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OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE)
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#define USB_DEVICE_GET_CLASS(obj) \
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OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE)
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typedef struct USBDeviceClass {
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DeviceClass parent_class;
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int (*init)(USBDevice *dev);
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/*
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* Walk (enabled) downstream ports, check for a matching device.
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* Only hubs implement this.
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*/
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USBDevice *(*find_device)(USBDevice *dev, uint8_t addr);
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/*
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* Called when a packet is canceled.
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*/
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void (*cancel_packet)(USBDevice *dev, USBPacket *p);
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/*
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* Called when device is destroyed.
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*/
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void (*handle_destroy)(USBDevice *dev);
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/*
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* Attach the device
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*/
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void (*handle_attach)(USBDevice *dev);
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/*
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* Reset the device
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*/
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void (*handle_reset)(USBDevice *dev);
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/*
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* Process control request.
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* Called from handle_packet().
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*
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* Returns length or one of the USB_RET_ codes.
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*/
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int (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
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int index, int length, uint8_t *data);
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/*
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* Process data transfers (both BULK and ISOC).
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* Called from handle_packet().
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*
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* Returns length or one of the USB_RET_ codes.
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*/
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int (*handle_data)(USBDevice *dev, USBPacket *p);
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void (*set_interface)(USBDevice *dev, int interface,
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int alt_old, int alt_new);
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/*
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* Called when the hcd is done queuing packets for an endpoint, only
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* necessary for devices which can return USB_RET_ADD_TO_QUEUE.
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*/
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void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep);
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const char *product_desc;
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const USBDesc *usb_desc;
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} USBDeviceClass;
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typedef struct USBPortOps {
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void (*attach)(USBPort *port);
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void (*detach)(USBPort *port);
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/*
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* This gets called when a device downstream from the device attached to
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* the port (iow attached through a hub) gets detached.
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*/
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void (*child_detach)(USBPort *port, USBDevice *child);
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void (*wakeup)(USBPort *port);
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/*
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* Note that port->dev will be different then the device from which
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* the packet originated when a hub is involved.
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*/
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void (*complete)(USBPort *port, USBPacket *p);
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} USBPortOps;
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/* USB port on which a device can be connected */
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struct USBPort {
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USBDevice *dev;
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int speedmask;
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char path[16];
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USBPortOps *ops;
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void *opaque;
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int index; /* internal port index, may be used with the opaque */
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QTAILQ_ENTRY(USBPort) next;
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};
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typedef void USBCallback(USBPacket * packet, void *opaque);
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typedef enum USBPacketState {
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USB_PACKET_UNDEFINED = 0,
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USB_PACKET_SETUP,
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USB_PACKET_QUEUED,
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USB_PACKET_ASYNC,
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USB_PACKET_COMPLETE,
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USB_PACKET_CANCELED,
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} USBPacketState;
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/* Structure used to hold information about an active USB packet. */
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struct USBPacket {
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/* Data fields for use by the driver. */
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int pid;
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uint64_t id;
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USBEndpoint *ep;
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QEMUIOVector iov;
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uint64_t parameter; /* control transfers */
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bool short_not_ok;
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bool int_req;
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int result; /* transfer length or USB_RET_* status code */
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/* Internal use by the USB layer. */
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USBPacketState state;
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QTAILQ_ENTRY(USBPacket) queue;
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};
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void usb_packet_init(USBPacket *p);
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void usb_packet_set_state(USBPacket *p, USBPacketState state);
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void usb_packet_check_state(USBPacket *p, USBPacketState expected);
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void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep, uint64_t id,
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bool short_not_ok, bool int_req);
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void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len);
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int usb_packet_map(USBPacket *p, QEMUSGList *sgl);
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void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl);
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void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes);
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void usb_packet_skip(USBPacket *p, size_t bytes);
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void usb_packet_cleanup(USBPacket *p);
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static inline bool usb_packet_is_inflight(USBPacket *p)
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{
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return (p->state == USB_PACKET_QUEUED ||
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p->state == USB_PACKET_ASYNC);
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}
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USBDevice *usb_find_device(USBPort *port, uint8_t addr);
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int usb_handle_packet(USBDevice *dev, USBPacket *p);
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void usb_packet_complete(USBDevice *dev, USBPacket *p);
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void usb_packet_complete_one(USBDevice *dev, USBPacket *p);
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void usb_cancel_packet(USBPacket * p);
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void usb_ep_init(USBDevice *dev);
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void usb_ep_reset(USBDevice *dev);
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void usb_ep_dump(USBDevice *dev);
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struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep);
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uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep);
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uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep);
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void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type);
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void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
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void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
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uint16_t raw);
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int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
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void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled);
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USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
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uint64_t id);
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void usb_attach(USBPort *port);
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void usb_detach(USBPort *port);
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void usb_port_reset(USBPort *port);
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void usb_device_reset(USBDevice *dev);
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void usb_wakeup(USBEndpoint *ep);
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void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
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int set_usb_string(uint8_t *buf, const char *str);
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/* usb-linux.c */
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USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
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int usb_host_device_close(const char *devname);
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void usb_host_info(Monitor *mon);
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/* usb-bt.c */
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USBDevice *usb_bt_init(USBBus *bus, HCIInfo *hci);
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/* usb ports of the VM */
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#define VM_USB_HUB_SIZE 8
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/* usb-musb.c */
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enum musb_irq_source_e {
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musb_irq_suspend = 0,
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musb_irq_resume,
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musb_irq_rst_babble,
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musb_irq_sof,
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musb_irq_connect,
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musb_irq_disconnect,
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musb_irq_vbus_request,
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musb_irq_vbus_error,
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musb_irq_rx,
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musb_irq_tx,
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musb_set_vbus,
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musb_set_session,
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/* Add new interrupts here */
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musb_irq_max, /* total number of interrupts defined */
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};
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typedef struct MUSBState MUSBState;
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MUSBState *musb_init(DeviceState *parent_device, int gpio_base);
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void musb_reset(MUSBState *s);
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uint32_t musb_core_intr_get(MUSBState *s);
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void musb_core_intr_clear(MUSBState *s, uint32_t mask);
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void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
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/* usb-bus.c */
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#define TYPE_USB_BUS "usb-bus"
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#define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS)
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struct USBBus {
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BusState qbus;
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USBBusOps *ops;
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int busnr;
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int nfree;
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int nused;
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QTAILQ_HEAD(, USBPort) free;
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QTAILQ_HEAD(, USBPort) used;
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QTAILQ_ENTRY(USBBus) next;
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};
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struct USBBusOps {
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int (*register_companion)(USBBus *bus, USBPort *ports[],
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uint32_t portcount, uint32_t firstport);
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void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep);
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};
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void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host);
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USBBus *usb_bus_find(int busnr);
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void usb_legacy_register(const char *typename, const char *usbdevice_name,
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USBDevice *(*usbdevice_init)(USBBus *bus,
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const char *params));
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USBDevice *usb_create(USBBus *bus, const char *name);
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USBDevice *usb_create_simple(USBBus *bus, const char *name);
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USBDevice *usbdevice_create(const char *cmdline);
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void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
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USBPortOps *ops, int speedmask);
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int usb_register_companion(const char *masterbus, USBPort *ports[],
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uint32_t portcount, uint32_t firstport,
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|
void *opaque, USBPortOps *ops, int speedmask);
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void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
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void usb_unregister_port(USBBus *bus, USBPort *port);
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int usb_claim_port(USBDevice *dev);
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|
void usb_release_port(USBDevice *dev);
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int usb_device_attach(USBDevice *dev);
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int usb_device_detach(USBDevice *dev);
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|
int usb_device_delete_addr(int busnr, int addr);
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|
|
|
static inline USBBus *usb_bus_from_device(USBDevice *d)
|
|
{
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|
return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
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}
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|
|
|
extern const VMStateDescription vmstate_usb_device;
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|
|
|
#define VMSTATE_USB_DEVICE(_field, _state) { \
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|
.name = (stringify(_field)), \
|
|
.size = sizeof(USBDevice), \
|
|
.vmsd = &vmstate_usb_device, \
|
|
.flags = VMS_STRUCT, \
|
|
.offset = vmstate_offset_value(_state, _field, USBDevice), \
|
|
}
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|
|
|
USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr);
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|
|
|
void usb_device_cancel_packet(USBDevice *dev, USBPacket *p);
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|
|
|
void usb_device_handle_attach(USBDevice *dev);
|
|
|
|
void usb_device_handle_reset(USBDevice *dev);
|
|
|
|
int usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, int value,
|
|
int index, int length, uint8_t *data);
|
|
|
|
int usb_device_handle_data(USBDevice *dev, USBPacket *p);
|
|
|
|
void usb_device_set_interface(USBDevice *dev, int interface,
|
|
int alt_old, int alt_new);
|
|
|
|
void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep);
|
|
|
|
const char *usb_device_get_product_desc(USBDevice *dev);
|
|
|
|
const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
|
|
|
|
int ehci_create_ich9_with_companions(PCIBus *bus, int slot);
|
|
|
|
#endif
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|
|