/** @file * VUSB - VirtualBox USB. (DEV,VMM) */ /* * Copyright (C) 2006-2022 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ #ifndef VBOX_INCLUDED_vusb_h #define VBOX_INCLUDED_vusb_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include #include struct PDMLED; RT_C_DECLS_BEGIN /** @defgroup grp_vusb VBox USB API * @{ */ /** @defgroup grp_vusb_std Standard Stuff * @{ */ /** Frequency of USB bus (from spec). */ #define VUSB_BUS_HZ 12000000 /** @name USB Descriptor types (from spec) * @{ */ #define VUSB_DT_DEVICE 0x01 #define VUSB_DT_CONFIG 0x02 #define VUSB_DT_STRING 0x03 #define VUSB_DT_INTERFACE 0x04 #define VUSB_DT_ENDPOINT 0x05 #define VUSB_DT_DEVICE_QUALIFIER 0x06 #define VUSB_DT_OTHER_SPEED_CFG 0x07 #define VUSB_DT_INTERFACE_POWER 0x08 #define VUSB_DT_INTERFACE_ASSOCIATION 0x0B #define VUSB_DT_BOS 0x0F #define VUSB_DT_DEVICE_CAPABILITY 0x10 #define VUSB_DT_SS_ENDPOINT_COMPANION 0x30 /** @} */ /** @name USB Descriptor minimum sizes (from spec) * @{ */ #define VUSB_DT_DEVICE_MIN_LEN 18 #define VUSB_DT_CONFIG_MIN_LEN 9 #define VUSB_DT_CONFIG_STRING_MIN_LEN 2 #define VUSB_DT_INTERFACE_MIN_LEN 9 #define VUSB_DT_ENDPOINT_MIN_LEN 7 #define VUSB_DT_SSEP_COMPANION_MIN_LEN 6 /** @} */ /** @name USB Device Capability Type Codes (from spec) * @{ */ #define VUSB_DCT_WIRELESS_USB 0x01 #define VUSB_DCT_USB_20_EXTENSION 0x02 #define VUSB_DCT_SUPERSPEED_USB 0x03 #define VUSB_DCT_CONTAINER_ID 0x04 /** @} */ #pragma pack(1) /* ensure byte packing of the descriptors. */ /** * USB language id descriptor (from specs). */ typedef struct VUSBDESCLANGID { uint8_t bLength; uint8_t bDescriptorType; } VUSBDESCLANGID; /** Pointer to a USB language id descriptor. */ typedef VUSBDESCLANGID *PVUSBDESCLANGID; /** Pointer to a const USB language id descriptor. */ typedef const VUSBDESCLANGID *PCVUSBDESCLANGID; /** * USB string descriptor (from specs). */ typedef struct VUSBDESCSTRING { uint8_t bLength; uint8_t bDescriptorType; } VUSBDESCSTRING; /** Pointer to a USB string descriptor. */ typedef VUSBDESCSTRING *PVUSBDESCSTRING; /** Pointer to a const USB string descriptor. */ typedef const VUSBDESCSTRING *PCVUSBDESCSTRING; /** * USB device descriptor (from spec) */ typedef struct VUSBDESCDEVICE { uint8_t bLength; uint8_t bDescriptorType; uint16_t bcdUSB; uint8_t bDeviceClass; uint8_t bDeviceSubClass; uint8_t bDeviceProtocol; uint8_t bMaxPacketSize0; uint16_t idVendor; uint16_t idProduct; uint16_t bcdDevice; uint8_t iManufacturer; uint8_t iProduct; uint8_t iSerialNumber; uint8_t bNumConfigurations; } VUSBDESCDEVICE; /** Pointer to a USB device descriptor. */ typedef VUSBDESCDEVICE *PVUSBDESCDEVICE; /** Pointer to a const USB device descriptor. */ typedef const VUSBDESCDEVICE *PCVUSBDESCDEVICE; /** * USB device qualifier (from spec 9.6.2) */ struct VUSBDEVICEQUALIFIER { uint8_t bLength; uint8_t bDescriptorType; uint16_t bcdUsb; uint8_t bDeviceClass; uint8_t bDeviceSubClass; uint8_t bDeviceProtocol; uint8_t bMaxPacketSize0; uint8_t bNumConfigurations; uint8_t bReserved; }; typedef struct VUSBDEVICEQUALIFIER VUSBDEVICEQUALIFIER; typedef VUSBDEVICEQUALIFIER *PVUSBDEVICEQUALIFIER; /** * USB configuration descriptor (from spec). */ typedef struct VUSBDESCCONFIG { uint8_t bLength; uint8_t bDescriptorType; uint16_t wTotalLength; /**< recalculated by VUSB when involved in URB. */ uint8_t bNumInterfaces; uint8_t bConfigurationValue; uint8_t iConfiguration; uint8_t bmAttributes; uint8_t MaxPower; } VUSBDESCCONFIG; /** Pointer to a USB configuration descriptor. */ typedef VUSBDESCCONFIG *PVUSBDESCCONFIG; /** Pointer to a readonly USB configuration descriptor. */ typedef const VUSBDESCCONFIG *PCVUSBDESCCONFIG; /** * USB interface association descriptor (from USB ECN Interface Association Descriptors) */ typedef struct VUSBDESCIAD { uint8_t bLength; uint8_t bDescriptorType; uint8_t bFirstInterface; uint8_t bInterfaceCount; uint8_t bFunctionClass; uint8_t bFunctionSubClass; uint8_t bFunctionProtocol; uint8_t iFunction; } VUSBDESCIAD; /** Pointer to a USB interface association descriptor. */ typedef VUSBDESCIAD *PVUSBDESCIAD; /** Pointer to a readonly USB interface association descriptor. */ typedef const VUSBDESCIAD *PCVUSBDESCIAD; /** * USB interface descriptor (from spec) */ typedef struct VUSBDESCINTERFACE { uint8_t bLength; uint8_t bDescriptorType; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bNumEndpoints; uint8_t bInterfaceClass; uint8_t bInterfaceSubClass; uint8_t bInterfaceProtocol; uint8_t iInterface; } VUSBDESCINTERFACE; /** Pointer to a USB interface descriptor. */ typedef VUSBDESCINTERFACE *PVUSBDESCINTERFACE; /** Pointer to a const USB interface descriptor. */ typedef const VUSBDESCINTERFACE *PCVUSBDESCINTERFACE; /** * USB endpoint descriptor (from spec) */ typedef struct VUSBDESCENDPOINT { uint8_t bLength; uint8_t bDescriptorType; uint8_t bEndpointAddress; uint8_t bmAttributes; uint16_t wMaxPacketSize; uint8_t bInterval; } VUSBDESCENDPOINT; /** Pointer to a USB endpoint descriptor. */ typedef VUSBDESCENDPOINT *PVUSBDESCENDPOINT; /** Pointer to a const USB endpoint descriptor. */ typedef const VUSBDESCENDPOINT *PCVUSBDESCENDPOINT; /** * USB SuperSpeed endpoint companion descriptor (from USB3 spec) */ typedef struct VUSBDESCSSEPCOMPANION { uint8_t bLength; uint8_t bDescriptorType; uint8_t bMaxBurst; uint8_t bmAttributes; uint16_t wBytesPerInterval; } VUSBDESCSSEPCOMPANION; /** Pointer to a USB endpoint companion descriptor. */ typedef VUSBDESCSSEPCOMPANION *PVUSBDESCSSEPCOMPANION; /** Pointer to a const USB endpoint companion descriptor. */ typedef const VUSBDESCSSEPCOMPANION *PCVUSBDESCSSEPCOMPANION; /** * USB Binary Device Object Store, aka BOS (from USB3 spec) */ typedef struct VUSBDESCBOS { uint8_t bLength; uint8_t bDescriptorType; uint16_t wTotalLength; uint8_t bNumDeviceCaps; } VUSBDESCBOS; /** Pointer to a USB BOS descriptor. */ typedef VUSBDESCBOS *PVUSBDESCBOS; /** Pointer to a const USB BOS descriptor. */ typedef const VUSBDESCBOS *PCVUSBDESCBOS; /** * Generic USB Device Capability Descriptor within BOS (from USB3 spec) */ typedef struct VUSBDESCDEVICECAP { uint8_t bLength; uint8_t bDescriptorType; uint8_t bDevCapabilityType; uint8_t aCapSpecific[1]; } VUSBDESCDEVICECAP; /** Pointer to a USB device capability descriptor. */ typedef VUSBDESCDEVICECAP *PVUSBDESCDEVICECAP; /** Pointer to a const USB device capability descriptor. */ typedef const VUSBDESCDEVICECAP *PCVUSBDESCDEVICECAP; /** * SuperSpeed USB Device Capability Descriptor within BOS */ typedef struct VUSBDESCSSDEVCAP { uint8_t bLength; uint8_t bDescriptorType; /* DEVICE CAPABILITY */ uint8_t bDevCapabilityType; /* SUPERSPEED_USB */ uint8_t bmAttributes; uint16_t wSpeedsSupported; uint8_t bFunctionalitySupport; uint8_t bU1DevExitLat; uint16_t wU2DevExitLat; } VUSBDESCSSDEVCAP; /** Pointer to an SS USB device capability descriptor. */ typedef VUSBDESCSSDEVCAP *PVUSBDESCSSDEVCAP; /** Pointer to a const SS USB device capability descriptor. */ typedef const VUSBDESCSSDEVCAP *PCVUSBDESCSSDEVCAP; /** * USB 2.0 Extension Descriptor within BOS */ typedef struct VUSBDESCUSB2EXT { uint8_t bLength; uint8_t bDescriptorType; /* DEVICE CAPABILITY */ uint8_t bDevCapabilityType; /* USB 2.0 EXTENSION */ uint8_t bmAttributes; } VUSBDESCUSB2EXT; /** Pointer to a USB 2.0 extension capability descriptor. */ typedef VUSBDESCUSB2EXT *PVUSBDESCUSB2EXT; /** Pointer to a const USB 2.0 extension capability descriptor. */ typedef const VUSBDESCUSB2EXT *PCVUSBDESCUSB2EXT; #pragma pack() /* end of the byte packing. */ /** * USB configuration descriptor, the parsed variant used by VUSB. */ typedef struct VUSBDESCCONFIGEX { /** The USB descriptor data. * @remark The wTotalLength member is recalculated before the data is passed to the guest. */ VUSBDESCCONFIG Core; /** Pointer to additional descriptor bytes following what's covered by VUSBDESCCONFIG. */ void *pvMore; /** Pointer to additional class- or vendor-specific interface descriptors. */ const void *pvClass; /** Size of class- or vendor-specific descriptors. */ uint16_t cbClass; /** Pointer to an array of the interfaces referenced in the configuration. * Core.bNumInterfaces in size. */ const struct VUSBINTERFACE *paIfs; /** Pointer to the original descriptor data read from the device. */ const void *pvOriginal; } VUSBDESCCONFIGEX; /** Pointer to a parsed USB configuration descriptor. */ typedef VUSBDESCCONFIGEX *PVUSBDESCCONFIGEX; /** Pointer to a const parsed USB configuration descriptor. */ typedef const VUSBDESCCONFIGEX *PCVUSBDESCCONFIGEX; /** * For tracking the alternate interface settings of a configuration. */ typedef struct VUSBINTERFACE { /** Pointer to an array of interfaces. */ const struct VUSBDESCINTERFACEEX *paSettings; /** The number of entries in the array. */ uint32_t cSettings; } VUSBINTERFACE; /** Pointer to a VUSBINTERFACE. */ typedef VUSBINTERFACE *PVUSBINTERFACE; /** Pointer to a const VUSBINTERFACE. */ typedef const VUSBINTERFACE *PCVUSBINTERFACE; /** * USB interface descriptor, the parsed variant used by VUSB. */ typedef struct VUSBDESCINTERFACEEX { /** The USB descriptor data. */ VUSBDESCINTERFACE Core; /** Pointer to additional descriptor bytes following what's covered by VUSBDESCINTERFACE. */ const void *pvMore; /** Pointer to additional class- or vendor-specific interface descriptors. */ const void *pvClass; /** Size of class- or vendor-specific descriptors. */ uint16_t cbClass; /** Pointer to an array of the endpoints referenced by the interface. * Core.bNumEndpoints in size. */ const struct VUSBDESCENDPOINTEX *paEndpoints; /** Interface association descriptor, which prepends a group of interfaces, * starting with this interface. */ PCVUSBDESCIAD pIAD; /** Size of interface association descriptor. */ uint16_t cbIAD; } VUSBDESCINTERFACEEX; /** Pointer to an prased USB interface descriptor. */ typedef VUSBDESCINTERFACEEX *PVUSBDESCINTERFACEEX; /** Pointer to a const parsed USB interface descriptor. */ typedef const VUSBDESCINTERFACEEX *PCVUSBDESCINTERFACEEX; /** * USB endpoint descriptor, the parsed variant used by VUSB. */ typedef struct VUSBDESCENDPOINTEX { /** The USB descriptor data. * @remark The wMaxPacketSize member is converted to native endian. */ VUSBDESCENDPOINT Core; /** Pointer to additional descriptor bytes following what's covered by VUSBDESCENDPOINT. */ const void *pvMore; /** Pointer to additional class- or vendor-specific endpoint descriptors. */ const void *pvClass; /** Size of class- or vendor-specific descriptors. */ uint16_t cbClass; /** Pointer to SuperSpeed endpoint companion descriptor (SS endpoints only). */ const void *pvSsepc; /** Size of SuperSpeed endpoint companion descriptor. * @remark Must be non-zero for SuperSpeed endpoints. */ uint16_t cbSsepc; } VUSBDESCENDPOINTEX; /** Pointer to a parsed USB endpoint descriptor. */ typedef VUSBDESCENDPOINTEX *PVUSBDESCENDPOINTEX; /** Pointer to a const parsed USB endpoint descriptor. */ typedef const VUSBDESCENDPOINTEX *PCVUSBDESCENDPOINTEX; /** @name USB Control message recipient codes (from spec) * @{ */ #define VUSB_TO_DEVICE 0x0 #define VUSB_TO_INTERFACE 0x1 #define VUSB_TO_ENDPOINT 0x2 #define VUSB_TO_OTHER 0x3 #define VUSB_RECIP_MASK 0x1f /** @} */ /** @name USB control pipe setup packet structure (from spec) * @{ */ #define VUSB_REQ_SHIFT (5) #define VUSB_REQ_STANDARD (0x0 << VUSB_REQ_SHIFT) #define VUSB_REQ_CLASS (0x1 << VUSB_REQ_SHIFT) #define VUSB_REQ_VENDOR (0x2 << VUSB_REQ_SHIFT) #define VUSB_REQ_RESERVED (0x3 << VUSB_REQ_SHIFT) #define VUSB_REQ_MASK (0x3 << VUSB_REQ_SHIFT) /** @} */ #define VUSB_DIR_TO_DEVICE 0x00 #define VUSB_DIR_TO_HOST 0x80 #define VUSB_DIR_MASK 0x80 /** * USB Setup request (from spec) */ typedef struct vusb_setup { uint8_t bmRequestType; uint8_t bRequest; uint16_t wValue; uint16_t wIndex; uint16_t wLength; } VUSBSETUP; /** Pointer to a setup request. */ typedef VUSBSETUP *PVUSBSETUP; /** Pointer to a const setup request. */ typedef const VUSBSETUP *PCVUSBSETUP; /** @name USB Standard device requests (from spec) * @{ */ #define VUSB_REQ_GET_STATUS 0x00 #define VUSB_REQ_CLEAR_FEATURE 0x01 #define VUSB_REQ_SET_FEATURE 0x03 #define VUSB_REQ_SET_ADDRESS 0x05 #define VUSB_REQ_GET_DESCRIPTOR 0x06 #define VUSB_REQ_SET_DESCRIPTOR 0x07 #define VUSB_REQ_GET_CONFIGURATION 0x08 #define VUSB_REQ_SET_CONFIGURATION 0x09 #define VUSB_REQ_GET_INTERFACE 0x0a #define VUSB_REQ_SET_INTERFACE 0x0b #define VUSB_REQ_SYNCH_FRAME 0x0c #define VUSB_REQ_MAX 0x0d /** @} */ /** @} */ /* end of grp_vusb_std */ /** @name USB Standard version flags. * @{ */ /** Indicates USB 1.1 support. */ #define VUSB_STDVER_11 RT_BIT(1) /** Indicates USB 2.0 support. */ #define VUSB_STDVER_20 RT_BIT(2) /** Indicates USB 3.0 support. */ #define VUSB_STDVER_30 RT_BIT(3) /** @} */ /** * USB port/device speeds. */ typedef enum VUSBSPEED { /** Undetermined/unknown speed. */ VUSB_SPEED_UNKNOWN = 0, /** Low-speed (LS), 1.5 Mbit/s, USB 1.0. */ VUSB_SPEED_LOW, /** Full-speed (FS), 12 Mbit/s, USB 1.1. */ VUSB_SPEED_FULL, /** High-speed (HS), 480 Mbit/s, USB 2.0. */ VUSB_SPEED_HIGH, /** Variable speed, wireless USB 2.5. */ VUSB_SPEED_VARIABLE, /** SuperSpeed (SS), 5.0 Gbit/s, USB 3.0. */ VUSB_SPEED_SUPER, /** SuperSpeed+ (SS+), 10.0 Gbit/s, USB 3.1. */ VUSB_SPEED_SUPERPLUS, /** The usual 32-bit hack. */ VUSB_SPEED_32BIT_HACK = 0x7fffffff } VUSBSPEED; /** * VUSB transfer direction. */ typedef enum VUSBDIRECTION { /** Setup */ VUSBDIRECTION_SETUP = 0, #define VUSB_DIRECTION_SETUP VUSBDIRECTION_SETUP /** In - Device to host. */ VUSBDIRECTION_IN = 1, #define VUSB_DIRECTION_IN VUSBDIRECTION_IN /** Out - Host to device. */ VUSBDIRECTION_OUT = 2, #define VUSB_DIRECTION_OUT VUSBDIRECTION_OUT /** Invalid direction */ VUSBDIRECTION_INVALID = 0x7f } VUSBDIRECTION; /** * VUSB Transfer types. */ typedef enum VUSBXFERTYPE { /** Control message. Used to represent a single control transfer. */ VUSBXFERTYPE_CTRL = 0, /* Isochronous transfer. */ VUSBXFERTYPE_ISOC, /** Bulk transfer. */ VUSBXFERTYPE_BULK, /** Interrupt transfer. */ VUSBXFERTYPE_INTR, /** Complete control message. Used to represent an entire control message. */ VUSBXFERTYPE_MSG, /** Invalid transfer type. */ VUSBXFERTYPE_INVALID = 0x7f } VUSBXFERTYPE; /** Number of valid USB transfer types - KEEP in sync with VUSBXFERTYPE!. */ #define VUSBXFERTYPE_ELEMENTS (5) /** Pointer to a VBox USB device interface. */ typedef struct VUSBIDEVICE *PVUSBIDEVICE; /** Pointer to a VUSB RootHub port interface. */ typedef struct VUSBIROOTHUBPORT *PVUSBIROOTHUBPORT; /** Pointer to an USB request descriptor. */ typedef struct VUSBURB *PVUSBURB; /** * VUSB device reset completion callback function. * This is called by the reset thread when the reset has been completed. * * @param pDevice Pointer to the virtual USB device core. * @param uPort The port of the device which completed the reset. * @param rc The VBox status code of the reset operation. * @param pvUser User specific argument. * * @thread The reset thread or EMT. */ typedef DECLCALLBACKTYPE(void, FNVUSBRESETDONE,(PVUSBIDEVICE pDevice, uint32_t uPort, int rc, void *pvUser)); /** Pointer to a device reset completion callback function (FNUSBRESETDONE). */ typedef FNVUSBRESETDONE *PFNVUSBRESETDONE; /** * The state of a VUSB Device. * * @remark The order of these states is vital. */ typedef enum VUSBDEVICESTATE { VUSB_DEVICE_STATE_INVALID = 0, VUSB_DEVICE_STATE_DETACHED, VUSB_DEVICE_STATE_ATTACHED, VUSB_DEVICE_STATE_POWERED, VUSB_DEVICE_STATE_DEFAULT, VUSB_DEVICE_STATE_ADDRESS, VUSB_DEVICE_STATE_CONFIGURED, VUSB_DEVICE_STATE_SUSPENDED, /** The device is being reset. Don't mess with it. * Next states: VUSB_DEVICE_STATE_DEFAULT, VUSB_DEVICE_STATE_DESTROYED */ VUSB_DEVICE_STATE_RESET, /** The device has been destroyed. */ VUSB_DEVICE_STATE_DESTROYED, /** The usual 32-bit hack. */ VUSB_DEVICE_STATE_32BIT_HACK = 0x7fffffff } VUSBDEVICESTATE; /** Maximum number of USB devices supported. */ #define VUSB_DEVICES_MAX 128 /** An invalid device port. */ #define VUSB_DEVICE_PORT_INVALID UINT32_MAX /** * VBox USB port bitmap. * * Bit 0 == Port 0, ... , Bit 127 == Port 127. */ typedef struct VUSBPORTBITMAP { /** 128 bits */ char ach[VUSB_DEVICES_MAX / 8]; } VUSBPORTBITMAP; /** Pointer to a VBox USB port bitmap. */ typedef VUSBPORTBITMAP *PVUSBPORTBITMAP; AssertCompile(sizeof(VUSBPORTBITMAP) * 8 >= VUSB_DEVICES_MAX); #ifndef RDESKTOP /** * The VUSB RootHub port interface provided by the HCI (down). * Pair with VUSBIROOTCONNECTOR */ typedef struct VUSBIROOTHUBPORT { /** * Get the number of available ports in the hub. * * @returns The number of ports available. * @param pInterface Pointer to this structure. * @param pAvailable Bitmap indicating the available ports. Set bit == available port. */ DECLR3CALLBACKMEMBER(unsigned, pfnGetAvailablePorts,(PVUSBIROOTHUBPORT pInterface, PVUSBPORTBITMAP pAvailable)); /** * Gets the supported USB versions. * * @returns The mask of supported USB versions. * @param pInterface Pointer to this structure. */ DECLR3CALLBACKMEMBER(uint32_t, pfnGetUSBVersions,(PVUSBIROOTHUBPORT pInterface)); /** * A device is being attached to a port in the roothub. * * @param pInterface Pointer to this structure. * @param uPort The port number assigned to the device. * @param enmSpeed The speed of the device being attached. */ DECLR3CALLBACKMEMBER(int, pfnAttach,(PVUSBIROOTHUBPORT pInterface, uint32_t uPort, VUSBSPEED enmSpeed)); /** * A device is being detached from a port in the roothub. * * @param pInterface Pointer to this structure. * @param uPort The port number assigned to the device. */ DECLR3CALLBACKMEMBER(void, pfnDetach,(PVUSBIROOTHUBPORT pInterface, uint32_t uPort)); /** * Reset the root hub. * * @returns VBox status code. * @param pInterface Pointer to this structure. * @param fResetOnLinux Whether or not to do real reset on linux. */ DECLR3CALLBACKMEMBER(int, pfnReset,(PVUSBIROOTHUBPORT pInterface, bool fResetOnLinux)); /** * Transfer completion callback routine. * * VUSB will call this when a transfer have been completed * in a one or another way. * * @param pInterface Pointer to this structure. * @param pUrb Pointer to the URB in question. */ DECLR3CALLBACKMEMBER(void, pfnXferCompletion,(PVUSBIROOTHUBPORT pInterface, PVUSBURB pUrb)); /** * Handle transfer errors. * * VUSB calls this when a transfer attempt failed. This function will respond * indicating whether to retry or complete the URB with failure. * * @returns Retry indicator. * @param pInterface Pointer to this structure. * @param pUrb Pointer to the URB in question. */ DECLR3CALLBACKMEMBER(bool, pfnXferError,(PVUSBIROOTHUBPORT pInterface, PVUSBURB pUrb)); /** * Processes a new frame if periodic frame processing is enabled. * * @returns Flag whether there was activity which influences the frame rate. * @param pInterface Pointer to this structure. * @param u32FrameNo The frame number. */ DECLR3CALLBACKMEMBER(bool, pfnStartFrame, (PVUSBIROOTHUBPORT pInterface, uint32_t u32FrameNo)); /** * Informs the callee about a change in the frame rate due to too many idle cycles or * when seeing activity after some idle time. * * @returns nothing. * @param pInterface Pointer to this structure. * @param u32FrameRate The new frame rate. */ DECLR3CALLBACKMEMBER(void, pfnFrameRateChanged, (PVUSBIROOTHUBPORT pInterface, uint32_t u32FrameRate)); /** Alignment dummy. */ RTR3PTR Alignment; } VUSBIROOTHUBPORT; /** VUSBIROOTHUBPORT interface ID. */ # define VUSBIROOTHUBPORT_IID "2ece01c2-4dbf-4bd5-96ca-09fc14164cd4" /** Pointer to a VUSB RootHub connector interface. */ typedef struct VUSBIROOTHUBCONNECTOR *PVUSBIROOTHUBCONNECTOR; /** * The VUSB RootHub connector interface provided by the VBox USB RootHub driver * (up). * Pair with VUSBIROOTHUBPORT. */ typedef struct VUSBIROOTHUBCONNECTOR { /** * Sets the URB parameters for the caller. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param cbHci Size of the data private to the HCI for each URB when allocated. * @param cbHciTd Size of one transfer descriptor. The number of transfer descriptors * is given VUSBIROOTHUBCONNECTOR::pfnNewUrb for each URB to calculate the * final amount of memory required for the TDs. * * @note This must be called before starting to allocate any URB or otherwise there will be no * data available for the HCI. */ DECLR3CALLBACKMEMBER(int, pfnSetUrbParams, (PVUSBIROOTHUBCONNECTOR pInterface, size_t cbHci, size_t cbHciTd)); /** * Resets the roothub. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param fResetOnLinux Whether or not to do real reset on linux. */ DECLR3CALLBACKMEMBER(int, pfnReset, (PVUSBIROOTHUBCONNECTOR pInterface, bool fResetOnLinux)); /** * Powers on the roothub. * * @returns VBox status code. * @param pInterface Pointer to this struct. */ DECLR3CALLBACKMEMBER(int, pfnPowerOn, (PVUSBIROOTHUBCONNECTOR pInterface)); /** * Power off the roothub. * * @returns VBox status code. * @param pInterface Pointer to this struct. */ DECLR3CALLBACKMEMBER(int, pfnPowerOff, (PVUSBIROOTHUBCONNECTOR pInterface)); /** * Allocates a new URB for a transfer. * * Either submit using pfnSubmitUrb or free using VUSBUrbFree(). * * @returns Pointer to a new URB. * @returns NULL on failure - try again later. * This will not fail if the device wasn't found. We'll fail it * at submit time, since that makes the usage of this api simpler. * @param pInterface Pointer to this struct. * @param DstAddress The destination address of the URB. * @param uPort Optional port of the device the URB is for, use VUSB_DEVICE_PORT_INVALID to indicate to use the destination address. * @param enmType Type of the URB. * @param enmDir Data transfer direction. * @param cbData The amount of data space required. * @param cTds The amount of TD space. * @param pszTag Custom URB tag assigned by the caller, only for * logged builds and optional. * * @note pDev should be NULL in most cases. The only useful case is for USB3 where * it is required for the SET_ADDRESS request because USB3 uses unicast traffic. */ DECLR3CALLBACKMEMBER(PVUSBURB, pfnNewUrb,(PVUSBIROOTHUBCONNECTOR pInterface, uint8_t DstAddress, uint32_t uPort, VUSBXFERTYPE enmType, VUSBDIRECTION enmDir, uint32_t cbData, uint32_t cTds, const char *pszTag)); /** * Free an URB not submitted yet. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param pUrb Pointer to the URB to free returned by VUSBIROOTHUBCONNECTOR::pfnNewUrb. */ DECLR3CALLBACKMEMBER(int, pfnFreeUrb, (PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb)); /** * Submits a URB for transfer. * The transfer will do asynchronously if possible. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param pUrb Pointer to the URB returned by pfnNewUrb. * The URB will be freed in case of failure. * @param pLed Pointer to USB Status LED */ DECLR3CALLBACKMEMBER(int, pfnSubmitUrb,(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb, struct PDMLED *pLed)); /** * Call to service asynchronous URB completions in a polling fashion. * * Reaped URBs will be finished by calling the completion callback, * thus there is no return code or input or anything from this function * except for potential state changes elsewhere. * * @returns VINF_SUCCESS if no URBs are pending upon return. * @returns VERR_TIMEOUT if one or more URBs are still in flight upon returning. * @returns Other VBox status code. * * @param pInterface Pointer to this struct. * @param uPort Port of the device to reap URBs on. * @param cMillies Number of milliseconds to poll for completion. */ DECLR3CALLBACKMEMBER(void, pfnReapAsyncUrbs,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort, RTMSINTERVAL cMillies)); /** * Cancels and completes - with CRC failure - all URBs queued on an endpoint. * This is done in response to guest URB cancellation. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param pUrb Pointer to a previously submitted URB. */ DECLR3CALLBACKMEMBER(int, pfnCancelUrbsEp,(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb)); /** * Cancels and completes - with CRC failure - all in-flight async URBs. * This is typically done before saving a state. * * @param pInterface Pointer to this struct. */ DECLR3CALLBACKMEMBER(void, pfnCancelAllUrbs,(PVUSBIROOTHUBCONNECTOR pInterface)); /** * Cancels and completes - with CRC failure - all URBs queued on an endpoint. * This is done in response to a guest endpoint/pipe abort. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uPort Port of the device. * @param EndPt Endpoint number. * @param enmDir Endpoint direction. */ DECLR3CALLBACKMEMBER(int, pfnAbortEp,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort, int EndPt, VUSBDIRECTION enmDir)); /** * Attach the device to the root hub. * The device must not be attached to any hub for this call to succeed. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uPort Port of the device to attach. */ DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); /** * Detach the device from the root hub. * The device must already be attached for this call to succeed. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uPort Port of the device to detach. */ DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); /** * Sets periodic frame processing. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uFrameRate The target frame rate in Hertz, 0 disables periodic frame processing. * The real frame rate might be lower if there is no activity for a certain period or * higher if there is a need for catching up with where the guest expects the device to be. */ DECLR3CALLBACKMEMBER(int, pfnSetPeriodicFrameProcessing, (PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uFrameRate)); /** * Returns the current frame rate for the periodic frame processing. * * @returns Frame rate for periodic frame processing. * @retval 0 if disabled. * @param pInterface Pointer to this struct. */ DECLR3CALLBACKMEMBER(uint32_t, pfnGetPeriodicFrameRate, (PVUSBIROOTHUBCONNECTOR pInterface)); /** * Updates the internally stored isochronous scheduling frame for a given * endpoint and returns the delta between the current and previous frame. * * @returns Delta between currently and previously scheduled frame. * @retval 0 if no previous frame was set. * @param pInterface Pointer to this struct. * @param uPort Port of the device. * @param EndPt Endpoint number. * @param enmDir Endpoint direction. * @param uNewFrameID The frame ID of a new transfer. * @param uBits The number of significant bits in frame ID. */ DECLR3CALLBACKMEMBER(uint32_t, pfnUpdateIsocFrameDelta, (PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort, int EndPt, VUSBDIRECTION enmDir, uint16_t uNewFrameID, uint8_t uBits)); /** * Resets the device. * * Since a device reset shall take at least 10ms from the guest point of view, * it must be performed asynchronously. We create a thread which performs this * operation and ensures it will take at least 10ms. * * At times - like init - a synchronous reset is required, this can be done * by passing NULL for pfnDone. * * -- internal stuff, move it -- * While the device is being reset it is in the VUSB_DEVICE_STATE_RESET state. * On completion it will be in the VUSB_DEVICE_STATE_DEFAULT state if successful, * or in the VUSB_DEVICE_STATE_DETACHED state if the rest failed. * -- internal stuff, move it -- * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uPort Port of the device to reset. * @param fResetOnLinux Set if we can permit a real reset and a potential logical * device reconnect on linux hosts. * @param pfnDone Pointer to the completion routine. If NULL a synchronous * reset is performed not respecting the 10ms. * @param pvUser User argument to the completion routine. * @param pVM The cross context VM structure. Required if pfnDone * is not NULL. */ DECLR3CALLBACKMEMBER(int, pfnDevReset,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort, bool fResetOnLinux, PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM)); /** * Powers on the device. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uPort Port of the device to power on. */ DECLR3CALLBACKMEMBER(int, pfnDevPowerOn,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); /** * Powers off the device. * * @returns VBox status code. * @param pInterface Pointer to this struct. * @param uPort Port of the device to power off. */ DECLR3CALLBACKMEMBER(int, pfnDevPowerOff,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); /** * Get the state of the device. * * @returns Device state. * @param pInterface Pointer to this struct. * @param uPort Port of the device to get the state for. */ DECLR3CALLBACKMEMBER(VUSBDEVICESTATE, pfnDevGetState,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); /** * Returns whether the device implements the saved state handlers * and doesn't need to get detached. * * @returns true if the device supports saving the state, false otherwise. * @param pInterface Pointer to this struct. * @param uPort Port of the device to query saved state support for. */ DECLR3CALLBACKMEMBER(bool, pfnDevIsSavedStateSupported,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); /** * Get the speed the device is operating at. * * @returns Device state. * @param pInterface Pointer to this struct. * @param uPort Port of the device to query the speed for. */ DECLR3CALLBACKMEMBER(VUSBSPEED, pfnDevGetSpeed,(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort)); } VUSBIROOTHUBCONNECTOR; AssertCompileSizeAlignment(VUSBIROOTHUBCONNECTOR, 8); /** VUSBIROOTHUBCONNECTOR interface ID. */ # define VUSBIROOTHUBCONNECTOR_IID "662d7822-b9c6-43b5-88b6-5d59f0106e46" # ifdef IN_RING3 /** @copydoc VUSBIROOTHUBCONNECTOR::pfnSetUrbParams */ DECLINLINE(int) VUSBIRhSetUrbParams(PVUSBIROOTHUBCONNECTOR pInterface, size_t cbHci, size_t cbHciTd) { return pInterface->pfnSetUrbParams(pInterface, cbHci, cbHciTd); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnNewUrb */ DECLINLINE(PVUSBURB) VUSBIRhNewUrb(PVUSBIROOTHUBCONNECTOR pInterface, uint8_t DstAddress, uint32_t uPort, VUSBXFERTYPE enmType, VUSBDIRECTION enmDir, uint32_t cbData, uint32_t cTds, const char *pszTag) { return pInterface->pfnNewUrb(pInterface, DstAddress, uPort, enmType, enmDir, cbData, cTds, pszTag); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnFreeUrb */ DECLINLINE(int) VUSBIRhFreeUrb(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb) { return pInterface->pfnFreeUrb(pInterface, pUrb); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnSubmitUrb */ DECLINLINE(int) VUSBIRhSubmitUrb(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb, struct PDMLED *pLed) { return pInterface->pfnSubmitUrb(pInterface, pUrb, pLed); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnReapAsyncUrbs */ DECLINLINE(void) VUSBIRhReapAsyncUrbs(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort, RTMSINTERVAL cMillies) { pInterface->pfnReapAsyncUrbs(pInterface, uPort, cMillies); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnCancelAllUrbs */ DECLINLINE(void) VUSBIRhCancelAllUrbs(PVUSBIROOTHUBCONNECTOR pInterface) { pInterface->pfnCancelAllUrbs(pInterface); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnAttachDevice */ DECLINLINE(int) VUSBIRhAttachDevice(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnAttachDevice(pInterface, uPort); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDetachDevice */ DECLINLINE(int) VUSBIRhDetachDevice(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnDetachDevice(pInterface, uPort); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnSetPeriodicFrameProcessing */ DECLINLINE(int) VUSBIRhSetPeriodicFrameProcessing(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uFrameRate) { return pInterface->pfnSetPeriodicFrameProcessing(pInterface, uFrameRate); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnGetPeriodicFrameRate */ DECLINLINE(uint32_t) VUSBIRhGetPeriodicFrameRate(PVUSBIROOTHUBCONNECTOR pInterface) { return pInterface->pfnGetPeriodicFrameRate(pInterface); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDevReset */ DECLINLINE(int) VUSBIRhDevReset(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort, bool fResetOnLinux, PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM) { return pInterface->pfnDevReset(pInterface, uPort, fResetOnLinux, pfnDone, pvUser, pVM); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDevPowerOn */ DECLINLINE(int) VUSBIRhDevPowerOn(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnDevPowerOn(pInterface, uPort); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDevPowerOff */ DECLINLINE(int) VUSBIRhDevPowerOff(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnDevPowerOff(pInterface, uPort); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDevGetState */ DECLINLINE(VUSBDEVICESTATE) VUSBIRhDevGetState(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnDevGetState(pInterface, uPort); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDevGetState */ DECLINLINE(bool) VUSBIRhDevIsSavedStateSupported(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnDevIsSavedStateSupported(pInterface, uPort); } /** @copydoc VUSBIROOTHUBCONNECTOR::pfnDevGetSpeed */ DECLINLINE(VUSBSPEED) VUSBIRhDevGetSpeed(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uPort) { return pInterface->pfnDevGetSpeed(pInterface, uPort); } # endif /* IN_RING3 */ #endif /* ! RDESKTOP */ #ifndef RDESKTOP /** * USB Device Interface (up). * No interface pair. */ typedef struct VUSBIDEVICE { /** * Resets the device. * * Since a device reset shall take at least 10ms from the guest point of view, * it must be performed asynchronously. We create a thread which performs this * operation and ensures it will take at least 10ms. * * At times - like init - a synchronous reset is required, this can be done * by passing NULL for pfnDone. * * -- internal stuff, move it -- * While the device is being reset it is in the VUSB_DEVICE_STATE_RESET state. * On completion it will be in the VUSB_DEVICE_STATE_DEFAULT state if successful, * or in the VUSB_DEVICE_STATE_DETACHED state if the rest failed. * -- internal stuff, move it -- * * @returns VBox status code. * @param pInterface Pointer to this structure. * @param fResetOnLinux Set if we can permit a real reset and a potential logical * device reconnect on linux hosts. * @param pfnDone Pointer to the completion routine. If NULL a synchronous * reset is performed not respecting the 10ms. * @param pvUser User argument to the completion routine. * @param pVM The cross context VM structure. Required if pfnDone * is not NULL. */ DECLR3CALLBACKMEMBER(int, pfnReset,(PVUSBIDEVICE pInterface, bool fResetOnLinux, PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM)); /** * Powers on the device. * * @returns VBox status code. * @param pInterface Pointer to the device interface structure. */ DECLR3CALLBACKMEMBER(int, pfnPowerOn,(PVUSBIDEVICE pInterface)); /** * Powers off the device. * * @returns VBox status code. * @param pInterface Pointer to the device interface structure. */ DECLR3CALLBACKMEMBER(int, pfnPowerOff,(PVUSBIDEVICE pInterface)); /** * Get the state of the device. * * @returns Device state. * @param pInterface Pointer to the device interface structure. */ DECLR3CALLBACKMEMBER(VUSBDEVICESTATE, pfnGetState,(PVUSBIDEVICE pInterface)); /** * Returns whether the device implements the saved state handlers * and doesn't need to get detached. * * @returns true if the device supports saving the state, false otherwise. * @param pInterface Pointer to the device interface structure. */ DECLR3CALLBACKMEMBER(bool, pfnIsSavedStateSupported,(PVUSBIDEVICE pInterface)); /** * Get the speed the device is operating at. * * @returns Device state. * @param pInterface Pointer to the device interface structure. */ DECLR3CALLBACKMEMBER(VUSBSPEED, pfnGetSpeed,(PVUSBIDEVICE pInterface)); } VUSBIDEVICE; /** VUSBIDEVICE interface ID. */ # define VUSBIDEVICE_IID "af576b38-e8ca-4db7-810a-2596d8d57ca0" # ifdef IN_RING3 /** * Resets the device. * * Since a device reset shall take at least 10ms from the guest point of view, * it must be performed asynchronously. We create a thread which performs this * operation and ensures it will take at least 10ms. * * At times - like init - a synchronous reset is required, this can be done * by passing NULL for pfnDone. * * -- internal stuff, move it -- * While the device is being reset it is in the VUSB_DEVICE_STATE_RESET state. * On completion it will be in the VUSB_DEVICE_STATE_DEFAULT state if successful, * or in the VUSB_DEVICE_STATE_DETACHED state if the rest failed. * -- internal stuff, move it -- * * @returns VBox status code. * @param pInterface Pointer to the device interface structure. * @param fResetOnLinux Set if we can permit a real reset and a potential logical * device reconnect on linux hosts. * @param pfnDone Pointer to the completion routine. If NULL a * synchronous reset is performed not respecting the * 10ms. * @param pvUser User argument to the completion routine. * @param pVM The cross context VM structure. Required if pfnDone * is not NULL. * * NULL is acceptable Required if callback in EMT is desired, NULL is otherwise * acceptable. */ DECLINLINE(int) VUSBIDevReset(PVUSBIDEVICE pInterface, bool fResetOnLinux, PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM) { return pInterface->pfnReset(pInterface, fResetOnLinux, pfnDone, pvUser, pVM); } /** * Powers on the device. * * @returns VBox status code. * @param pInterface Pointer to the device interface structure. */ DECLINLINE(int) VUSBIDevPowerOn(PVUSBIDEVICE pInterface) { return pInterface->pfnPowerOn(pInterface); } /** * Powers off the device. * * @returns VBox status code. * @param pInterface Pointer to the device interface structure. */ DECLINLINE(int) VUSBIDevPowerOff(PVUSBIDEVICE pInterface) { return pInterface->pfnPowerOff(pInterface); } /** * Get the state of the device. * * @returns Device state. * @param pInterface Pointer to the device interface structure. */ DECLINLINE(VUSBDEVICESTATE) VUSBIDevGetState(PVUSBIDEVICE pInterface) { return pInterface->pfnGetState(pInterface); } /** * @copydoc VUSBIDEVICE::pfnIsSavedStateSupported */ DECLINLINE(bool) VUSBIDevIsSavedStateSupported(PVUSBIDEVICE pInterface) { return pInterface->pfnIsSavedStateSupported(pInterface); } # endif /* IN_RING3 */ #endif /* ! RDESKTOP */ /** @name URB * @{ */ /** * VUSB Transfer status codes. */ typedef enum VUSBSTATUS { /** Transer was ok. */ VUSBSTATUS_OK = 0, /** Transfer stalled, endpoint halted. */ VUSBSTATUS_STALL, /** Device not responding. */ VUSBSTATUS_DNR, /** CRC error. */ VUSBSTATUS_CRC, /** Data underrun error. */ VUSBSTATUS_DATA_UNDERRUN, /** Data overrun error. */ VUSBSTATUS_DATA_OVERRUN, /** The isochronous buffer hasn't been touched. */ VUSBSTATUS_NOT_ACCESSED, /** Canceled/undone URB (VUSB internal). */ VUSBSTATUS_UNDO, /** Canceled URB. */ VUSBSTATUS_CANCELED, /** Invalid status. */ VUSBSTATUS_INVALID = 0x7f } VUSBSTATUS; /** * The URB states */ typedef enum VUSBURBSTATE { /** The usual invalid state. */ VUSBURBSTATE_INVALID = 0, /** The URB is free, i.e. not in use. * Next state: ALLOCATED */ VUSBURBSTATE_FREE, /** The URB is allocated, i.e. being prepared for submission. * Next state: FREE, IN_FLIGHT */ VUSBURBSTATE_ALLOCATED, /** The URB is in flight. * Next state: REAPED, CANCELLED */ VUSBURBSTATE_IN_FLIGHT, /** The URB has been reaped and is being completed. * Next state: FREE */ VUSBURBSTATE_REAPED, /** The URB has been cancelled and is awaiting reaping and immediate freeing. * Next state: FREE */ VUSBURBSTATE_CANCELLED, /** The end of the valid states (exclusive). */ VUSBURBSTATE_END, /** The usual 32-bit blow up. */ VUSBURBSTATE_32BIT_HACK = 0x7fffffff } VUSBURBSTATE; /** * Information about a isochronous packet. */ typedef struct VUSBURBISOCPKT { /** The size of the packet. * IN: The packet size. I.e. the number of bytes to the next packet or end of buffer. * OUT: The actual size transferred. */ uint32_t cb; /** The offset of the packet. (Relative to VUSBURB::abData[0].) * OUT: This can be changed by the USB device if it does some kind of buffer squeezing. */ uint32_t off; /** The status of the transfer. * IN: VUSBSTATUS_INVALID * OUT: VUSBSTATUS_INVALID if nothing was done, otherwise the correct status. */ VUSBSTATUS enmStatus; } VUSBURBISOCPKT; /** Pointer to a isochronous packet. */ typedef VUSBURBISOCPKT *PVUSBURBISOCPTK; /** Pointer to a const isochronous packet. */ typedef const VUSBURBISOCPKT *PCVUSBURBISOCPKT; /** Private controller emulation specific data for the associated USB request descriptor. */ typedef struct VUSBURBHCIINT *PVUSBURBHCI; /** Private controller emulation specific TD data. */ typedef struct VUSBURBHCITDINT *PVUSBURBHCITD; /** Private VUSB/roothub related state for the associated URB. */ typedef struct VUSBURBVUSBINT *PVUSBURBVUSB; /** * Asynchronous USB request descriptor */ typedef struct VUSBURB { /** URB magic value. */ uint32_t u32Magic; /** The USR state. */ VUSBURBSTATE enmState; /** Flag whether the URB is about to be completed, * either by the I/O thread or the cancellation worker. */ volatile bool fCompleting; /** URB description, can be null. intended for logging. */ char *pszDesc; #ifdef RDESKTOP /** The next URB in rdesktop-vrdp's linked list */ PVUSBURB pNext; /** The previous URB in rdesktop-vrdp's linked list */ PVUSBURB pPrev; /** The vrdp handle for the URB */ uint32_t handle; /** Pointer used to find the usb proxy device */ struct VUSBDEV *pDev; #endif /** The VUSB stack private data. */ PVUSBURBVUSB pVUsb; /** Private host controller data associated with this URB. */ PVUSBURBHCI pHci; /** Pointer to the host controller transfer descriptor array. */ PVUSBURBHCITD paTds; /** The device data. */ struct VUSBURBDEV { /** Pointer to private device specific data. */ void *pvPrivate; /** Used by the device when linking the URB in some list of its own. */ PVUSBURB pNext; } Dev; /** The device address. * This is set at allocation time. */ uint8_t DstAddress; /** The endpoint. * IN: Must be set before submitting the URB. * @remark This does not have the high bit (direction) set! */ uint8_t EndPt; /** The transfer type. * IN: Set at allocation time. */ VUSBXFERTYPE enmType; /** The transfer direction. * IN: Set at allocation time. */ VUSBDIRECTION enmDir; /** Indicates whether it is OK to receive/send less data than requested. * IN: Must be initialized before submitting the URB. */ bool fShortNotOk; /** The transfer status. * OUT: This is set when reaping the URB. */ VUSBSTATUS enmStatus; /** The relative starting frame for isochronous transfers. * Zero indicates "transfer ASAP". * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */ uint16_t uStartFrameDelta; /** Flag indicating whether the start frame delta is relative * to the previous transfer (false) or now (true). * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */ bool fStartRelToNow; /** The number of isochronous packets describe in aIsocPkts. * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */ uint8_t cIsocPkts; /** The iso packets within abData. * This is ignored when enmType isn't VUSBXFERTYPE_ISOC. */ VUSBURBISOCPKT aIsocPkts[8]; /** The message length. * IN: The amount of data to send / receive - set at allocation time. * OUT: The amount of data sent / received. */ uint32_t cbData; /** The message data. * IN: On host to device transfers, the data to send. * OUT: On device to host transfers, the data to received. * This array has actually a size of VUsb.cbDataAllocated, not 8KB! */ uint8_t abData[8*_1K]; } VUSBURB; /** The magic value of a valid VUSBURB. (Murakami Haruki) */ #define VUSBURB_MAGIC UINT32_C(0x19490112) /** @} */ /** @} */ RT_C_DECLS_END #endif /* !VBOX_INCLUDED_vusb_h */