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Diffstat (limited to 'include/VBox/vmm/pdmusb.h')
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diff --git a/include/VBox/vmm/pdmusb.h b/include/VBox/vmm/pdmusb.h new file mode 100644 index 00000000..13e2a981 --- /dev/null +++ b/include/VBox/vmm/pdmusb.h @@ -0,0 +1,1087 @@ +/** @file + * PDM - Pluggable Device Manager, USB Devices. + */ + +/* + * Copyright (C) 2006-2019 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_vmm_pdmusb_h +#define VBOX_INCLUDED_vmm_pdmusb_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/vmm/pdmqueue.h> +#include <VBox/vmm/pdmcritsect.h> +#include <VBox/vmm/pdmthread.h> +#include <VBox/vmm/pdmifs.h> +#include <VBox/vmm/pdmins.h> +#include <VBox/vmm/pdmcommon.h> +#include <VBox/vmm/tm.h> +#include <VBox/vmm/ssm.h> +#include <VBox/vmm/cfgm.h> +#include <VBox/vmm/dbgf.h> +#include <VBox/vmm/mm.h> +#include <VBox/vusb.h> +#include <iprt/errcore.h> +#include <iprt/stdarg.h> + +RT_C_DECLS_BEGIN + +/** @defgroup grp_pdm_usbdev The USB Devices API + * @ingroup grp_pdm + * @{ + */ + + +/** + * A string entry for the USB descriptor cache. + */ +typedef struct PDMUSBDESCCACHESTRING +{ + /** The string index. */ + uint8_t idx; + /** The UTF-8 representation of the string. */ + const char *psz; +} PDMUSBDESCCACHESTRING; +/** Pointer to a const string entry. */ +typedef PDMUSBDESCCACHESTRING const *PCPDMUSBDESCCACHESTRING; + + +/** + * A language entry for the USB descriptor cache. + */ +typedef struct PDMUSBDESCCACHELANG +{ + /** The language ID for the strings in this block. */ + uint16_t idLang; + /** The number of strings in the array. */ + uint16_t cStrings; + /** Pointer to an array of associated strings. + * This must be sorted in ascending order by string index as a binary lookup + * will be performed. */ + PCPDMUSBDESCCACHESTRING paStrings; +} PDMUSBDESCCACHELANG; +/** Pointer to a const language entry. */ +typedef PDMUSBDESCCACHELANG const *PCPDMUSBDESCCACHELANG; + + +/** + * USB descriptor cache. + * + * This structure is owned by the USB device but provided to the PDM/VUSB layer + * thru the PDMUSBREG::pfnGetDescriptorCache method. PDM/VUSB will use the + * information here to map addresses to endpoints, perform SET_CONFIGURATION + * requests, and optionally perform GET_DESCRIPTOR requests (see flag). + * + * Currently, only device and configuration descriptors are cached. + */ +typedef struct PDMUSBDESCCACHE +{ + /** USB device descriptor */ + PCVUSBDESCDEVICE pDevice; + /** USB Descriptor arrays (pDev->bNumConfigurations) */ + PCVUSBDESCCONFIGEX paConfigs; + /** Language IDs and their associated strings. + * This must be sorted in ascending order by language ID as a binary lookup + * will be used. */ + PCPDMUSBDESCCACHELANG paLanguages; + /** The number of entries in the array pointed to by paLanguages. */ + uint16_t cLanguages; + /** Use the cached descriptors for GET_DESCRIPTOR requests. */ + bool fUseCachedDescriptors; + /** Use the cached string descriptors. */ + bool fUseCachedStringsDescriptors; +} PDMUSBDESCCACHE; +/** Pointer to an USB descriptor cache. */ +typedef PDMUSBDESCCACHE *PPDMUSBDESCCACHE; +/** Pointer to a const USB descriptor cache. */ +typedef const PDMUSBDESCCACHE *PCPDMUSBDESCCACHE; + + +/** PDM Device Flags. + * @{ */ +/** A high-speed capable USB 2.0 device (also required to support full-speed). */ +#define PDM_USBREG_HIGHSPEED_CAPABLE RT_BIT(0) +/** Indicates that the device implements the saved state handlers. */ +#define PDM_USBREG_SAVED_STATE_SUPPORTED RT_BIT(1) +/** A SuperSpeed USB 3.0 device. */ +#define PDM_USBREG_SUPERSPEED_CAPABLE RT_BIT(2) +/** @} */ + +/** PDM USB Device Registration Structure, + * + * This structure is used when registering a device from VBoxUsbRegister() in HC Ring-3. + * The PDM will make use of this structure until the VM is destroyed. + */ +typedef struct PDMUSBREG +{ + /** Structure version. PDM_DEVREG_VERSION defines the current version. */ + uint32_t u32Version; + /** Device name. */ + char szName[32]; + /** The description of the device. The UTF-8 string pointed to shall, like this structure, + * remain unchanged from registration till VM destruction. */ + const char *pszDescription; + + /** Flags, combination of the PDM_USBREG_FLAGS_* \#defines. */ + RTUINT fFlags; + /** Maximum number of instances (per VM). */ + RTUINT cMaxInstances; + /** Size of the instance data. */ + RTUINT cbInstance; + + + /** + * Construct an USB device instance for a VM. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * If the registration structure is needed, it will be + * accessible thru pUsbDev->pReg. + * @param iInstance Instance number. Use this to figure out which registers + * and such to use. The instance number is also found in + * pUsbDev->iInstance, but since it's likely to be + * frequently used PDM passes it as parameter. + * @param pCfg Configuration node handle for the device. Use this to + * obtain the configuration of the device instance. It is + * also found in pUsbDev->pCfg, but since it is primary + * usage will in this function it is passed as a parameter. + * @param pCfgGlobal Handle to the global device configuration. Also found + * in pUsbDev->pCfgGlobal. + * @remarks This callback is required. + */ + DECLR3CALLBACKMEMBER(int, pfnConstruct,(PPDMUSBINS pUsbIns, int iInstance, PCFGMNODE pCfg, PCFGMNODE pCfgGlobal)); + + /** + * Destruct an USB device instance. + * + * Most VM resources are freed by the VM. This callback is provided so that any non-VM + * resources can be freed correctly. + * + * This method will be called regardless of the pfnConstruct result to avoid + * complicated failure paths. + * + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnDestruct,(PPDMUSBINS pUsbIns)); + + + /** + * Init complete notification. + * + * This can be done to do communication with other devices and other + * initialization which requires everything to be in place. + * + * @returns VBOX status code. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + * @remarks Not called when hotplugged. + */ + DECLR3CALLBACKMEMBER(int, pfnVMInitComplete,(PPDMUSBINS pUsbIns)); + + /** + * VM Power On notification. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnVMPowerOn,(PPDMUSBINS pUsbIns)); + + /** + * VM Reset notification. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnVMReset,(PPDMUSBINS pUsbIns)); + + /** + * VM Suspend notification. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnVMSuspend,(PPDMUSBINS pUsbIns)); + + /** + * VM Resume notification. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnVMResume,(PPDMUSBINS pUsbIns)); + + /** + * VM Power Off notification. + * + * This is only called when the VMR3PowerOff call is made on a running VM. This + * means that there is no notification if the VM was suspended before being + * powered of. There will also be no callback when hot plugging devices. + * + * @param pUsbIns The USB device instance data. + */ + DECLR3CALLBACKMEMBER(void, pfnVMPowerOff,(PPDMUSBINS pUsbIns)); + + /** + * Called after the constructor when attaching a device at run time. + * + * This can be used to do tasks normally assigned to pfnInitComplete and/or pfnVMPowerOn. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnHotPlugged,(PPDMUSBINS pUsbIns)); + + /** + * Called before the destructor when a device is unplugged at run time. + * + * This can be used to do tasks normally assigned to pfnVMSuspend and/or pfnVMPowerOff. + * + * @returns VBox status. + * @param pUsbIns The USB device instance data. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnHotUnplugged,(PPDMUSBINS pUsbIns)); + /** + * Driver Attach command. + * + * This is called to let the USB device attach to a driver for a specified LUN + * at runtime. This is not called during VM construction, the device constructor + * have to attach to all the available drivers. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance data. + * @param iLUN The logical unit which is being detached. + * @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(int, pfnDriverAttach,(PPDMUSBINS pUsbIns, unsigned iLUN, uint32_t fFlags)); + + /** + * Driver Detach notification. + * + * This is called when a driver is detaching itself from a LUN of the device. + * The device should adjust it's state to reflect this. + * + * @param pUsbIns The USB device instance data. + * @param iLUN The logical unit which is being detached. + * @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(void, pfnDriverDetach,(PPDMUSBINS pUsbIns, unsigned iLUN, uint32_t fFlags)); + + /** + * Query the base interface of a logical unit. + * + * @returns VBOX status code. + * @param pUsbIns The USB device instance data. + * @param iLUN The logicial unit to query. + * @param ppBase Where to store the pointer to the base interface of the LUN. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(int, pfnQueryInterface,(PPDMUSBINS pUsbIns, unsigned iLUN, PPDMIBASE *ppBase)); + + /** + * Requests the USB device to reset. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param fResetOnLinux A hint to the usb proxy. + * Don't use this unless you're the linux proxy device. + * @thread Any thread. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(int, pfnUsbReset,(PPDMUSBINS pUsbIns, bool fResetOnLinux)); + + /** + * Query device and configuration descriptors for the caching and servicing + * relevant GET_DESCRIPTOR requests. + * + * @returns Pointer to the descriptor cache (read-only). + * @param pUsbIns The USB device instance. + * @remarks Mandatory. + */ + DECLR3CALLBACKMEMBER(PCPDMUSBDESCCACHE, pfnUsbGetDescriptorCache,(PPDMUSBINS pUsbIns)); + + /** + * SET_CONFIGURATION request. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param bConfigurationValue The bConfigurationValue of the new configuration. + * @param pvOldCfgDesc Internal - for the device proxy. + * @param pvOldIfState Internal - for the device proxy. + * @param pvNewCfgDesc Internal - for the device proxy. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(int, pfnUsbSetConfiguration,(PPDMUSBINS pUsbIns, uint8_t bConfigurationValue, + const void *pvOldCfgDesc, const void *pvOldIfState, const void *pvNewCfgDesc)); + + /** + * SET_INTERFACE request. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param bInterfaceNumber The interface number. + * @param bAlternateSetting The alternate setting. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(int, pfnUsbSetInterface,(PPDMUSBINS pUsbIns, uint8_t bInterfaceNumber, uint8_t bAlternateSetting)); + + /** + * Clears the halted state of an endpoint. (Optional) + * + * This called when VUSB sees a CLEAR_FEATURE(ENDPOINT_HALT) on request + * on the zero pipe. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param uEndpoint The endpoint to clear. + * @remarks Optional. + */ + DECLR3CALLBACKMEMBER(int, pfnUsbClearHaltedEndpoint,(PPDMUSBINS pUsbIns, unsigned uEndpoint)); + + /** + * Allocates an URB. + * + * This can be used to make use of shared user/kernel mode buffers. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param cbData The size of the data buffer. + * @param cTds The number of TDs. + * @param enmType The type of URB. + * @param ppUrb Where to store the allocated URB. + * @remarks Optional. + * @remarks Not implemented yet. + */ + DECLR3CALLBACKMEMBER(int, pfnUrbNew,(PPDMUSBINS pUsbIns, size_t cbData, size_t cTds, VUSBXFERTYPE enmType, PVUSBURB *ppUrb)); + + /** + * Queues an URB for processing. + * + * @returns VBox status code. + * @retval VINF_SUCCESS on success. + * @retval VERR_VUSB_DEVICE_NOT_ATTACHED if the device has been disconnected. + * @retval VERR_VUSB_FAILED_TO_QUEUE_URB as a general failure kind of thing. + * @retval TBD - document new stuff! + * + * @param pUsbIns The USB device instance. + * @param pUrb The URB to process. + * @remarks Mandatory. + */ + DECLR3CALLBACKMEMBER(int, pfnUrbQueue,(PPDMUSBINS pUsbIns, PVUSBURB pUrb)); + + /** + * Cancels an URB. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param pUrb The URB to cancel. + * @remarks Mandatory. + */ + DECLR3CALLBACKMEMBER(int, pfnUrbCancel,(PPDMUSBINS pUsbIns, PVUSBURB pUrb)); + + /** + * Reaps an URB. + * + * @returns A ripe URB, NULL if none. + * @param pUsbIns The USB device instance. + * @param cMillies How log to wait for an URB to become ripe. + * @remarks Mandatory. + */ + DECLR3CALLBACKMEMBER(PVUSBURB, pfnUrbReap,(PPDMUSBINS pUsbIns, RTMSINTERVAL cMillies)); + + /** + * Wakes a thread waiting in pfnUrbReap. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + */ + DECLR3CALLBACKMEMBER(int, pfnWakeup,(PPDMUSBINS pUsbIns)); + + /** Just some init precaution. Must be set to PDM_USBREG_VERSION. */ + uint32_t u32TheEnd; +} PDMUSBREG; +/** Pointer to a PDM USB Device Structure. */ +typedef PDMUSBREG *PPDMUSBREG; +/** Const pointer to a PDM USB Device Structure. */ +typedef PDMUSBREG const *PCPDMUSBREG; + +/** Current USBREG version number. */ +#define PDM_USBREG_VERSION PDM_VERSION_MAKE(0xeeff, 1, 0) + +/** PDM USB Device Flags. + * @{ */ +/* none yet */ +/** @} */ + + +#ifdef IN_RING3 + +/** + * PDM USB Device API. + */ +typedef struct PDMUSBHLP +{ + /** Structure version. PDM_USBHLP_VERSION defines the current version. */ + uint32_t u32Version; + + /** + * Attaches a driver (chain) to the USB device. + * + * The first call for a LUN this will serve as a registration of the LUN. The pBaseInterface and + * the pszDesc string will be registered with that LUN and kept around for PDMR3QueryUSBDeviceLun(). + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param iLun The logical unit to attach. + * @param pBaseInterface Pointer to the base interface for that LUN. (device side / down) + * @param ppBaseInterface Where to store the pointer to the base interface. (driver side / up) + * @param pszDesc Pointer to a string describing the LUN. This string must remain valid + * for the live of the device instance. + */ + DECLR3CALLBACKMEMBER(int, pfnDriverAttach,(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE *ppBaseInterface, const char *pszDesc)); + + /** + * Assert that the current thread is the emulation thread. + * + * @returns True if correct. + * @returns False if wrong. + * @param pUsbIns The USB device instance. + * @param pszFile Filename of the assertion location. + * @param iLine Linenumber of the assertion location. + * @param pszFunction Function of the assertion location. + */ + DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMUSBINS pUsbIns, const char *pszFile, unsigned iLine, const char *pszFunction)); + + /** + * Assert that the current thread is NOT the emulation thread. + * + * @returns True if correct. + * @returns False if wrong. + * @param pUsbIns The USB device instance. + * @param pszFile Filename of the assertion location. + * @param iLine Linenumber of the assertion location. + * @param pszFunction Function of the assertion location. + */ + DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMUSBINS pUsbIns, const char *pszFile, unsigned iLine, const char *pszFunction)); + + /** + * Stops the VM and enters the debugger to look at the guest state. + * + * Use the PDMUsbDBGFStop() inline function with the RT_SRC_POS macro instead of + * invoking this function directly. + * + * @returns VBox status code which must be passed up to the VMM. + * @param pUsbIns The USB device instance. + * @param pszFile Filename of the assertion location. + * @param iLine The linenumber of the assertion location. + * @param pszFunction Function of the assertion location. + * @param pszFormat Message. (optional) + * @param va Message parameters. + */ + DECLR3CALLBACKMEMBER(int, pfnDBGFStopV,(PPDMUSBINS pUsbIns, const char *pszFile, unsigned iLine, const char *pszFunction, + const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(5, 0)); + + /** + * Register a info handler with DBGF, + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param pszName The identifier of the info. + * @param pszDesc The description of the info and any arguments the handler may take. + * @param pfnHandler The handler function to be called to display the info. + */ + DECLR3CALLBACKMEMBER(int, pfnDBGFInfoRegister,(PPDMUSBINS pUsbIns, const char *pszName, const char *pszDesc, PFNDBGFHANDLERUSB pfnHandler)); + + /** + * Allocate memory which is associated with current VM instance + * and automatically freed on it's destruction. + * + * @returns Pointer to allocated memory. The memory is *NOT* zero-ed. + * @param pUsbIns The USB device instance. + * @param cb Number of bytes to allocate. + */ + DECLR3CALLBACKMEMBER(void *, pfnMMHeapAlloc,(PPDMUSBINS pUsbIns, size_t cb)); + + /** + * Allocate memory which is associated with current VM instance + * and automatically freed on it's destruction. The memory is ZEROed. + * + * @returns Pointer to allocated memory. The memory is *NOT* zero-ed. + * @param pUsbIns The USB device instance. + * @param cb Number of bytes to allocate. + */ + DECLR3CALLBACKMEMBER(void *, pfnMMHeapAllocZ,(PPDMUSBINS pUsbIns, size_t cb)); + + /** + * Create a queue. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param cbItem Size a queue item. + * @param cItems Number of items in the queue. + * @param cMilliesInterval Number of milliseconds between polling the queue. + * If 0 then the emulation thread will be notified whenever an item arrives. + * @param pfnCallback The consumer function. + * @param pszName The queue base name. The instance number will be + * appended automatically. + * @param ppQueue Where to store the queue handle on success. + * @thread The emulation thread. + */ + DECLR3CALLBACKMEMBER(int, pfnPDMQueueCreate,(PPDMUSBINS pUsbIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval, + PFNPDMQUEUEUSB pfnCallback, const char *pszName, PPDMQUEUE *ppQueue)); + + /** + * Register a save state data unit. + * + * @returns VBox status. + * @param pUsbIns The USB device instance. + * @param uVersion Data layout version number. + * @param cbGuess The approximate amount of data in the unit. + * Only for progress indicators. + * + * @param pfnLivePrep Prepare live save callback, optional. + * @param pfnLiveExec Execute live save callback, optional. + * @param pfnLiveVote Vote live save callback, optional. + * + * @param pfnSavePrep Prepare save callback, optional. + * @param pfnSaveExec Execute save callback, optional. + * @param pfnSaveDone Done save callback, optional. + * + * @param pfnLoadPrep Prepare load callback, optional. + * @param pfnLoadExec Execute load callback, optional. + * @param pfnLoadDone Done load callback, optional. + */ + DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMUSBINS pUsbIns, uint32_t uVersion, size_t cbGuess, + PFNSSMUSBLIVEPREP pfnLivePrep, PFNSSMUSBLIVEEXEC pfnLiveExec, PFNSSMUSBLIVEVOTE pfnLiveVote, + PFNSSMUSBSAVEPREP pfnSavePrep, PFNSSMUSBSAVEEXEC pfnSaveExec, PFNSSMUSBSAVEDONE pfnSaveDone, + PFNSSMUSBLOADPREP pfnLoadPrep, PFNSSMUSBLOADEXEC pfnLoadExec, PFNSSMUSBLOADDONE pfnLoadDone)); + + /** + * Register a STAM sample. + * + * Use the PDMUsbHlpSTAMRegister wrapper. + * + * @returns VBox status. + * @param pUsbIns The USB device instance. + * @param pvSample Pointer to the sample. + * @param enmType Sample type. This indicates what pvSample is pointing at. + * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. + * @param enmUnit Sample unit. + * @param pszDesc Sample description. + * @param pszName The sample name format string. + * @param va Arguments to the format string. + */ + DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMUSBINS pUsbIns, void *pvSample, STAMTYPE enmType, + STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, + const char *pszName, va_list va) RT_IPRT_FORMAT_ATTR(7, 0)); + + /** + * Creates a timer. + * + * @returns VBox status. + * @param pUsbIns The USB device instance. + * @param enmClock The clock to use on this timer. + * @param pfnCallback Callback function. + * @param pvUser User argument for the callback. + * @param fFlags Flags, see TMTIMER_FLAGS_*. + * @param pszDesc Pointer to description string which must stay around + * until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()). + * @param ppTimer Where to store the timer on success. + */ + DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback, void *pvUser, + uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer)); + + /** + * Set the VM error message + * + * @returns rc. + * @param pUsbIns The USB device instance. + * @param rc VBox status code. + * @param SRC_POS Use RT_SRC_POS. + * @param pszFormat Error message format string. + * @param va Error message arguments. + */ + DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, + const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(6, 0)); + + /** + * Set the VM runtime error message + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param fFlags The action flags. See VMSETRTERR_FLAGS_*. + * @param pszErrorId Error ID string. + * @param pszFormat Error message format string. + * @param va Error message arguments. + */ + DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMUSBINS pUsbIns, uint32_t fFlags, const char *pszErrorId, + const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(4, 0)); + + /** + * Gets the VM state. + * + * @returns VM state. + * @param pUsbIns The USB device instance. + * @thread Any thread (just keep in mind that it's volatile info). + */ + DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMUSBINS pUsbIns)); + + /** + * Creates a PDM thread. + * + * This differs from the RTThreadCreate() API in that PDM takes care of suspending, + * resuming, and destroying the thread as the VM state changes. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param ppThread Where to store the thread 'handle'. + * @param pvUser The user argument to the thread function. + * @param pfnThread The thread function. + * @param pfnWakeup The wakup callback. This is called on the EMT + * thread when a state change is pending. + * @param cbStack See RTThreadCreate. + * @param enmType See RTThreadCreate. + * @param pszName See RTThreadCreate. + */ + DECLR3CALLBACKMEMBER(int, pfnThreadCreate,(PPDMUSBINS pUsbIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADUSB pfnThread, + PFNPDMTHREADWAKEUPUSB pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)); + + /** + * Set up asynchronous handling of a suspend, reset or power off notification. + * + * This shall only be called when getting the notification. It must be called + * for each one. + * + * @returns VBox status code. + * @param pUsbIns The USB device instance. + * @param pfnAsyncNotify The callback. + * @thread EMT(0) + */ + DECLR3CALLBACKMEMBER(int, pfnSetAsyncNotification, (PPDMUSBINS pUSbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify)); + + /** + * Notify EMT(0) that the device has completed the asynchronous notification + * handling. + * + * This can be called at any time, spurious calls will simply be ignored. + * + * @param pUsbIns The USB device instance. + * @thread Any + */ + DECLR3CALLBACKMEMBER(void, pfnAsyncNotificationCompleted, (PPDMUSBINS pUsbIns)); + + /** + * Gets the reason for the most recent VM suspend. + * + * @returns The suspend reason. VMSUSPENDREASON_INVALID is returned if no + * suspend has been made or if the pUsbIns is invalid. + * @param pUsbIns The driver instance. + */ + DECLR3CALLBACKMEMBER(VMSUSPENDREASON, pfnVMGetSuspendReason,(PPDMUSBINS pUsbIns)); + + /** + * Gets the reason for the most recent VM resume. + * + * @returns The resume reason. VMRESUMEREASON_INVALID is returned if no + * resume has been made or if the pUsbIns is invalid. + * @param pUsbIns The driver instance. + */ + DECLR3CALLBACKMEMBER(VMRESUMEREASON, pfnVMGetResumeReason,(PPDMUSBINS pUsbIns)); + + /** @name Space reserved for minor interface changes. + * @{ */ + DECLR3CALLBACKMEMBER(void, pfnReserved0,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved1,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved2,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved3,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved4,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved5,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved6,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved7,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved8,(PPDMUSBINS pUsbIns)); + DECLR3CALLBACKMEMBER(void, pfnReserved9,(PPDMUSBINS pUsbIns)); + /** @} */ + + /** Just a safety precaution. */ + uint32_t u32TheEnd; +} PDMUSBHLP; +/** Pointer PDM USB Device API. */ +typedef PDMUSBHLP *PPDMUSBHLP; +/** Pointer const PDM USB Device API. */ +typedef const PDMUSBHLP *PCPDMUSBHLP; + +/** Current USBHLP version number. */ +#define PDM_USBHLP_VERSION PDM_VERSION_MAKE(0xeefe, 3, 0) + +#endif /* IN_RING3 */ + +/** + * PDM USB Device Instance. + */ +typedef struct PDMUSBINS +{ + /** Structure version. PDM_USBINS_VERSION defines the current version. */ + uint32_t u32Version; + /** USB device instance number. */ + uint32_t iInstance; + /** The base interface of the device. + * The device constructor initializes this if it has any device level + * interfaces to export. To obtain this interface call PDMR3QueryUSBDevice(). */ + PDMIBASE IBase; +#if HC_ARCH_BITS == 32 + uint32_t u32Alignment; /**< Alignment padding. */ +#endif + + /** Internal data. */ + union + { +#ifdef PDMUSBINSINT_DECLARED + PDMUSBINSINT s; +#endif + uint8_t padding[HC_ARCH_BITS == 32 ? 96 : 128]; + } Internal; + + /** Pointer the PDM USB Device API. */ + R3PTRTYPE(PCPDMUSBHLP) pHlpR3; + /** Pointer to the USB device registration structure. */ + R3PTRTYPE(PCPDMUSBREG) pReg; + /** Configuration handle. */ + R3PTRTYPE(PCFGMNODE) pCfg; + /** The (device) global configuration handle. */ + R3PTRTYPE(PCFGMNODE) pCfgGlobal; + /** Pointer to device instance data. */ + R3PTRTYPE(void *) pvInstanceDataR3; + /** Pointer to the VUSB Device structure. + * Internal to VUSB, don't touch. + * @todo Moved this to PDMUSBINSINT. */ + R3PTRTYPE(void *) pvVUsbDev2; + /** Device name for using when logging. + * The constructor sets this and the destructor frees it. */ + R3PTRTYPE(char *) pszName; + /** Tracing indicator. */ + uint32_t fTracing; + /** The tracing ID of this device. */ + uint32_t idTracing; + /** The port/device speed. HCs and emulated devices need to know. */ + VUSBSPEED enmSpeed; + + /** Padding to make achInstanceData aligned at 32 byte boundary. */ + uint32_t au32Padding[HC_ARCH_BITS == 32 ? 2 : 3]; + + /** Device instance data. The size of this area is defined + * in the PDMUSBREG::cbInstanceData field. */ + char achInstanceData[8]; +} PDMUSBINS; + +/** Current USBINS version number. */ +#define PDM_USBINS_VERSION PDM_VERSION_MAKE(0xeefd, 3, 0) + +/** + * Checks the structure versions of the USB device instance and USB device + * helpers, returning if they are incompatible. + * + * This shall be the first statement of the constructor! + * + * @param pUsbIns The USB device instance pointer. + */ +#define PDMUSB_CHECK_VERSIONS_RETURN(pUsbIns) \ + do \ + { \ + PPDMUSBINS pUsbInsTypeCheck = (pUsbIns); NOREF(pUsbInsTypeCheck); \ + AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->u32Version, PDM_USBINS_VERSION), \ + ("DevIns=%#x mine=%#x\n", (pUsbIns)->u32Version, PDM_USBINS_VERSION), \ + VERR_PDM_USBINS_VERSION_MISMATCH); \ + AssertLogRelMsgReturn(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION), \ + ("DevHlp=%#x mine=%#x\n", (pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION), \ + VERR_PDM_USBHLPR3_VERSION_MISMATCH); \ + } while (0) + +/** + * Quietly checks the structure versions of the USB device instance and + * USB device helpers, returning if they are incompatible. + * + * This shall be invoked as the first statement in the destructor! + * + * @param pUsbIns The USB device instance pointer. + */ +#define PDMUSB_CHECK_VERSIONS_RETURN_VOID(pUsbIns) \ + do \ + { \ + PPDMUSBINS pUsbInsTypeCheck = (pUsbIns); NOREF(pUsbInsTypeCheck); \ + if (RT_LIKELY(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->u32Version, PDM_USBINS_VERSION) )) \ + { /* likely */ } else return; \ + if (RT_LIKELY(PDM_VERSION_ARE_COMPATIBLE((pUsbIns)->pHlpR3->u32Version, PDM_USBHLP_VERSION) )) \ + { /* likely */ } else return; \ + } while (0) + + +/** Converts a pointer to the PDMUSBINS::IBase to a pointer to PDMUSBINS. */ +#define PDMIBASE_2_PDMUSB(pInterface) ( (PPDMUSBINS)((char *)(pInterface) - RT_UOFFSETOF(PDMUSBINS, IBase)) ) + + +/** @def PDMUSB_ASSERT_EMT + * Assert that the current thread is the emulation thread. + */ +#ifdef VBOX_STRICT +# define PDMUSB_ASSERT_EMT(pUsbIns) pUsbIns->pHlpR3->pfnAssertEMT(pUsbIns, __FILE__, __LINE__, __FUNCTION__) +#else +# define PDMUSB_ASSERT_EMT(pUsbIns) do { } while (0) +#endif + +/** @def PDMUSB_ASSERT_OTHER + * Assert that the current thread is NOT the emulation thread. + */ +#ifdef VBOX_STRICT +# define PDMUSB_ASSERT_OTHER(pUsbIns) pUsbIns->pHlpR3->pfnAssertOther(pUsbIns, __FILE__, __LINE__, __FUNCTION__) +#else +# define PDMUSB_ASSERT_OTHER(pUsbIns) do { } while (0) +#endif + +/** @def PDMUSB_SET_ERROR + * Set the VM error. See PDMUsbHlpVMSetError() for printf like message + * formatting. + */ +#define PDMUSB_SET_ERROR(pUsbIns, rc, pszError) \ + PDMUsbHlpVMSetError(pUsbIns, rc, RT_SRC_POS, "%s", pszError) + +/** @def PDMUSB_SET_RUNTIME_ERROR + * Set the VM runtime error. See PDMUsbHlpVMSetRuntimeError() for printf like + * message formatting. + */ +#define PDMUSB_SET_RUNTIME_ERROR(pUsbIns, fFlags, pszErrorId, pszError) \ + PDMUsbHlpVMSetRuntimeError(pUsbIns, fFlags, pszErrorId, "%s", pszError) + + +#ifdef IN_RING3 + +/** + * @copydoc PDMUSBHLP::pfnDriverAttach + */ +DECLINLINE(int) PDMUsbHlpDriverAttach(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE *ppBaseInterface, const char *pszDesc) +{ + return pUsbIns->pHlpR3->pfnDriverAttach(pUsbIns, iLun, pBaseInterface, ppBaseInterface, pszDesc); +} + +/** + * VBOX_STRICT wrapper for pHlpR3->pfnDBGFStopV. + * + * @returns VBox status code which must be passed up to the VMM. + * @param pUsbIns Device instance. + * @param SRC_POS Use RT_SRC_POS. + * @param pszFormat Message. (optional) + * @param ... Message parameters. + */ +DECLINLINE(int) RT_IPRT_FORMAT_ATTR(5, 6) PDMUsbDBGFStop(PPDMUSBINS pUsbIns, RT_SRC_POS_DECL, const char *pszFormat, ...) +{ +#ifdef VBOX_STRICT + int rc; + va_list va; + va_start(va, pszFormat); + rc = pUsbIns->pHlpR3->pfnDBGFStopV(pUsbIns, RT_SRC_POS_ARGS, pszFormat, va); + va_end(va); + return rc; +#else + NOREF(pUsbIns); + NOREF(pszFile); + NOREF(iLine); + NOREF(pszFunction); + NOREF(pszFormat); + return VINF_SUCCESS; +#endif +} + +/** + * @copydoc PDMUSBHLP::pfnVMState + */ +DECLINLINE(VMSTATE) PDMUsbHlpVMState(PPDMUSBINS pUsbIns) +{ + return pUsbIns->pHlpR3->pfnVMState(pUsbIns); +} + +/** + * @copydoc PDMUSBHLP::pfnThreadCreate + */ +DECLINLINE(int) PDMUsbHlpThreadCreate(PPDMUSBINS pUsbIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADUSB pfnThread, + PFNPDMTHREADWAKEUPUSB pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName) +{ + return pUsbIns->pHlpR3->pfnThreadCreate(pUsbIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName); +} + + +/** + * @copydoc PDMUSBHLP::pfnSetAsyncNotification + */ +DECLINLINE(int) PDMUsbHlpSetAsyncNotification(PPDMUSBINS pUsbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify) +{ + return pUsbIns->pHlpR3->pfnSetAsyncNotification(pUsbIns, pfnAsyncNotify); +} + +/** + * @copydoc PDMUSBHLP::pfnAsyncNotificationCompleted + */ +DECLINLINE(void) PDMUsbHlpAsyncNotificationCompleted(PPDMUSBINS pUsbIns) +{ + pUsbIns->pHlpR3->pfnAsyncNotificationCompleted(pUsbIns); +} + +/** + * Set the VM error message + * + * @returns rc. + * @param pUsbIns The USB device instance. + * @param rc VBox status code. + * @param SRC_POS Use RT_SRC_POS. + * @param pszFormat Error message format string. + * @param ... Error message arguments. + */ +DECLINLINE(int) RT_IPRT_FORMAT_ATTR(6, 7) PDMUsbHlpVMSetError(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, + const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + rc = pUsbIns->pHlpR3->pfnVMSetErrorV(pUsbIns, rc, RT_SRC_POS_ARGS, pszFormat, va); + va_end(va); + return rc; +} + +/** + * @copydoc PDMUSBHLP::pfnMMHeapAlloc + */ +DECLINLINE(void *) PDMUsbHlpMMHeapAlloc(PPDMUSBINS pUsbIns, size_t cb) +{ + return pUsbIns->pHlpR3->pfnMMHeapAlloc(pUsbIns, cb); +} + +/** + * @copydoc PDMUSBHLP::pfnMMHeapAllocZ + */ +DECLINLINE(void *) PDMUsbHlpMMHeapAllocZ(PPDMUSBINS pUsbIns, size_t cb) +{ + return pUsbIns->pHlpR3->pfnMMHeapAllocZ(pUsbIns, cb); +} + +/** + * Frees memory allocated by PDMUsbHlpMMHeapAlloc or PDMUsbHlpMMHeapAllocZ. + * + * @param pUsbIns The USB device instance. + * @param pv The memory to free. NULL is fine. + */ +DECLINLINE(void) PDMUsbHlpMMHeapFree(PPDMUSBINS pUsbIns, void *pv) +{ + NOREF(pUsbIns); + MMR3HeapFree(pv); +} + +/** + * @copydoc PDMUSBHLP::pfnTMTimerCreate + */ +DECLINLINE(int) PDMUsbHlpTMTimerCreate(PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback, void *pvUser, + uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer) +{ + return pUsbIns->pHlpR3->pfnTMTimerCreate(pUsbIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, ppTimer); +} + +/** + * @copydoc PDMUSBHLP::pfnSSMRegister + */ +DECLINLINE(int) PDMUsbHlpSSMRegister(PPDMUSBINS pUsbIns, uint32_t uVersion, size_t cbGuess, + PFNSSMUSBLIVEPREP pfnLivePrep, PFNSSMUSBLIVEEXEC pfnLiveExec, PFNSSMUSBLIVEVOTE pfnLiveVote, + PFNSSMUSBSAVEPREP pfnSavePrep, PFNSSMUSBSAVEEXEC pfnSaveExec, PFNSSMUSBSAVEDONE pfnSaveDone, + PFNSSMUSBLOADPREP pfnLoadPrep, PFNSSMUSBLOADEXEC pfnLoadExec, PFNSSMUSBLOADDONE pfnLoadDone) +{ + return pUsbIns->pHlpR3->pfnSSMRegister(pUsbIns, uVersion, cbGuess, + pfnLivePrep, pfnLiveExec, pfnLiveVote, + pfnSavePrep, pfnSaveExec, pfnSaveDone, + pfnLoadPrep, pfnLoadExec, pfnLoadDone); +} + +#endif /* IN_RING3 */ + + + +/** Pointer to callbacks provided to the VBoxUsbRegister() call. */ +typedef const struct PDMUSBREGCB *PCPDMUSBREGCB; + +/** + * Callbacks for VBoxUSBDeviceRegister(). + */ +typedef struct PDMUSBREGCB +{ + /** Interface version. + * This is set to PDM_USBREG_CB_VERSION. */ + uint32_t u32Version; + + /** + * Registers a device with the current VM instance. + * + * @returns VBox status code. + * @param pCallbacks Pointer to the callback table. + * @param pReg Pointer to the USB device registration record. + * This data must be permanent and readonly. + */ + DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMUSBREGCB pCallbacks, PCPDMUSBREG pReg)); +} PDMUSBREGCB; + +/** Current version of the PDMUSBREGCB structure. */ +#define PDM_USBREG_CB_VERSION PDM_VERSION_MAKE(0xeefc, 1, 0) + + +/** + * The VBoxUsbRegister callback function. + * + * PDM will invoke this function after loading a USB device module and letting + * the module decide which devices to register and how to handle conflicts. + * + * @returns VBox status code. + * @param pCallbacks Pointer to the callback table. + * @param u32Version VBox version number. + */ +typedef DECLCALLBACK(int) FNPDMVBOXUSBREGISTER(PCPDMUSBREGCB pCallbacks, uint32_t u32Version); + +VMMR3DECL(int) PDMR3UsbCreateEmulatedDevice(PUVM pUVM, const char *pszDeviceName, PCFGMNODE pDeviceNode, PCRTUUID pUuid, + const char *pszCaptureFilename); +VMMR3DECL(int) PDMR3UsbCreateProxyDevice(PUVM pUVM, PCRTUUID pUuid, const char *pszBackend, const char *pszAddress, void *pvBackend, + VUSBSPEED enmSpeed, uint32_t fMaskedIfs, const char *pszCaptureFilename); +VMMR3DECL(int) PDMR3UsbDetachDevice(PUVM pUVM, PCRTUUID pUuid); +VMMR3DECL(bool) PDMR3UsbHasHub(PUVM pUVM); +VMMR3DECL(int) PDMR3UsbDriverAttach(PUVM pUVM, const char *pszDevice, unsigned iDevIns, unsigned iLun, uint32_t fFlags, + PPPDMIBASE ppBase); +VMMR3DECL(int) PDMR3UsbDriverDetach(PUVM pUVM, const char *pszDevice, unsigned iDevIns, unsigned iLun, + const char *pszDriver, unsigned iOccurrence, uint32_t fFlags); +VMMR3DECL(int) PDMR3UsbQueryLun(PUVM pUVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPDMIBASE *ppBase); +VMMR3DECL(int) PDMR3UsbQueryDriverOnLun(PUVM pUVM, const char *pszDevice, unsigned iInstance, unsigned iLun, + const char *pszDriver, PPPDMIBASE ppBase); + +/** @} */ + +RT_C_DECLS_END + +#endif /* !VBOX_INCLUDED_vmm_pdmusb_h */ |