[26970] | 1 | /* $Id: VUSBDevice.cpp 105353 2024-07-16 11:47:19Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Virtual USB - Device.
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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[26970] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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[26970] | 26 | */
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| 27 |
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| 28 |
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[57358] | 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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[26970] | 32 | #define LOG_GROUP LOG_GROUP_DRV_VUSB
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[35346] | 33 | #include <VBox/vmm/pdm.h>
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| 34 | #include <VBox/vmm/vmapi.h>
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[26970] | 35 | #include <VBox/err.h>
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| 36 | #include <VBox/log.h>
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| 37 | #include <iprt/alloc.h>
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| 38 | #include <iprt/time.h>
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| 39 | #include <iprt/thread.h>
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| 40 | #include <iprt/semaphore.h>
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| 41 | #include <iprt/string.h>
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| 42 | #include <iprt/assert.h>
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| 43 | #include <iprt/asm.h>
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| 44 | #include "VUSBInternal.h"
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| 45 |
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[53062] | 46 | #include "VUSBSniffer.h"
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[26970] | 47 |
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[57358] | 48 |
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| 49 | /*********************************************************************************************************************************
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| 50 | * Structures and Typedefs *
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| 51 | *********************************************************************************************************************************/
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[26970] | 52 | /**
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| 53 | * Argument package of vusbDevResetThread().
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| 54 | */
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| 55 | typedef struct vusb_reset_args
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| 56 | {
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| 57 | /** Pointer to the device which is being reset. */
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| 58 | PVUSBDEV pDev;
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| 59 | /** The reset return code. */
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| 60 | int rc;
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| 61 | /** Pointer to the completion callback. */
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| 62 | PFNVUSBRESETDONE pfnDone;
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| 63 | /** User argument to pfnDone. */
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| 64 | void *pvUser;
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| 65 | } VUSBRESETARGS, *PVUSBRESETARGS;
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| 66 |
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| 67 |
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[57358] | 68 | /*********************************************************************************************************************************
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| 69 | * Global Variables *
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| 70 | *********************************************************************************************************************************/
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[26970] | 71 | /** Default message pipe. */
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| 72 | const VUSBDESCENDPOINTEX g_Endpoint0 =
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| 73 | {
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| 74 | {
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| 75 | /* .bLength = */ VUSB_DT_ENDPOINT_MIN_LEN,
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| 76 | /* .bDescriptorType = */ VUSB_DT_ENDPOINT,
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| 77 | /* .bEndpointAddress = */ 0,
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| 78 | /* .bmAttributes = */ 0,
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| 79 | /* .wMaxPacketSize = */ 64,
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| 80 | /* .bInterval = */ 0
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| 81 | },
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| 82 | NULL
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| 83 | };
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| 84 |
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| 85 | /** Default configuration. */
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| 86 | const VUSBDESCCONFIGEX g_Config0 =
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| 87 | {
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| 88 | {
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| 89 | /* .bLength = */ VUSB_DT_CONFIG_MIN_LEN,
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| 90 | /* .bDescriptorType = */ VUSB_DT_CONFIG,
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| 91 | /* .WTotalLength = */ 0, /* (auto-calculated) */
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| 92 | /* .bNumInterfaces = */ 0,
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| 93 | /* .bConfigurationValue =*/ 0,
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| 94 | /* .iConfiguration = */ 0,
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| 95 | /* .bmAttributes = */ 0x80,
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| 96 | /* .MaxPower = */ 14
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| 97 | },
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| 98 | NULL,
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| 99 | NULL
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| 100 | };
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| 101 |
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| 102 |
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| 103 |
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| 104 | static PCVUSBDESCCONFIGEX vusbDevFindCfgDesc(PVUSBDEV pDev, int iCfg)
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| 105 | {
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| 106 | if (iCfg == 0)
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| 107 | return &g_Config0;
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| 108 |
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| 109 | for (unsigned i = 0; i < pDev->pDescCache->pDevice->bNumConfigurations; i++)
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| 110 | if (pDev->pDescCache->paConfigs[i].Core.bConfigurationValue == iCfg)
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| 111 | return &pDev->pDescCache->paConfigs[i];
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| 112 | return NULL;
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| 113 | }
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| 114 |
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| 115 | static PVUSBINTERFACESTATE vusbDevFindIfState(PVUSBDEV pDev, int iIf)
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| 116 | {
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| 117 | for (unsigned i = 0; i < pDev->pCurCfgDesc->Core.bNumInterfaces; i++)
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| 118 | if (pDev->paIfStates[i].pIf->paSettings[0].Core.bInterfaceNumber == iIf)
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| 119 | return &pDev->paIfStates[i];
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| 120 | return NULL;
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| 121 | }
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| 122 |
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[62959] | 123 | static PCVUSBDESCINTERFACEEX vusbDevFindAltIfDesc(PCVUSBINTERFACESTATE pIfState, int iAlt)
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[26970] | 124 | {
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| 125 | for (uint32_t i = 0; i < pIfState->pIf->cSettings; i++)
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| 126 | if (pIfState->pIf->paSettings[i].Core.bAlternateSetting == iAlt)
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| 127 | return &pIfState->pIf->paSettings[i];
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| 128 | return NULL;
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| 129 | }
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| 130 |
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| 131 | void vusbDevMapEndpoint(PVUSBDEV pDev, PCVUSBDESCENDPOINTEX pEndPtDesc)
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| 132 | {
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| 133 | uint8_t i8Addr = pEndPtDesc->Core.bEndpointAddress & 0xF;
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| 134 | PVUSBPIPE pPipe = &pDev->aPipes[i8Addr];
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| 135 | LogFlow(("vusbDevMapEndpoint: pDev=%p[%s] pEndPtDesc=%p{.bEndpointAddress=%#x, .bmAttributes=%#x} p=%p stage %s->SETUP\n",
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| 136 | pDev, pDev->pUsbIns->pszName, pEndPtDesc, pEndPtDesc->Core.bEndpointAddress, pEndPtDesc->Core.bmAttributes,
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| 137 | pPipe, g_apszCtlStates[pPipe->pCtrl ? pPipe->pCtrl->enmStage : 3]));
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| 138 |
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| 139 | if ((pEndPtDesc->Core.bmAttributes & 0x3) == 0)
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| 140 | {
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| 141 | Log(("vusb: map message pipe on address %u\n", i8Addr));
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| 142 | pPipe->in = pEndPtDesc;
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| 143 | pPipe->out = pEndPtDesc;
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| 144 | }
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| 145 | else if (pEndPtDesc->Core.bEndpointAddress & 0x80)
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| 146 | {
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| 147 | Log(("vusb: map input pipe on address %u\n", i8Addr));
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| 148 | pPipe->in = pEndPtDesc;
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| 149 | }
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| 150 | else
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| 151 | {
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| 152 | Log(("vusb: map output pipe on address %u\n", i8Addr));
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| 153 | pPipe->out = pEndPtDesc;
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| 154 | }
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| 155 |
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| 156 | if (pPipe->pCtrl)
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| 157 | {
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| 158 | vusbMsgFreeExtraData(pPipe->pCtrl);
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| 159 | pPipe->pCtrl = NULL;
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| 160 | }
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| 161 | }
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| 162 |
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| 163 | static void unmap_endpoint(PVUSBDEV pDev, PCVUSBDESCENDPOINTEX pEndPtDesc)
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| 164 | {
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| 165 | uint8_t EndPt = pEndPtDesc->Core.bEndpointAddress & 0xF;
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| 166 | PVUSBPIPE pPipe = &pDev->aPipes[EndPt];
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| 167 | LogFlow(("unmap_endpoint: pDev=%p[%s] pEndPtDesc=%p{.bEndpointAddress=%#x, .bmAttributes=%#x} p=%p stage %s->SETUP\n",
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| 168 | pDev, pDev->pUsbIns->pszName, pEndPtDesc, pEndPtDesc->Core.bEndpointAddress, pEndPtDesc->Core.bmAttributes,
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| 169 | pPipe, g_apszCtlStates[pPipe->pCtrl ? pPipe->pCtrl->enmStage : 3]));
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| 170 |
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| 171 | if ((pEndPtDesc->Core.bmAttributes & 0x3) == 0)
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| 172 | {
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| 173 | Log(("vusb: unmap MSG pipe from address %u (%#x)\n", EndPt, pEndPtDesc->Core.bEndpointAddress));
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| 174 | pPipe->in = NULL;
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| 175 | pPipe->out = NULL;
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| 176 | }
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| 177 | else if (pEndPtDesc->Core.bEndpointAddress & 0x80)
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| 178 | {
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| 179 | Log(("vusb: unmap IN pipe from address %u (%#x)\n", EndPt, pEndPtDesc->Core.bEndpointAddress));
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| 180 | pPipe->in = NULL;
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| 181 | }
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| 182 | else
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| 183 | {
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| 184 | Log(("vusb: unmap OUT pipe from address %u (%#x)\n", EndPt, pEndPtDesc->Core.bEndpointAddress));
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| 185 | pPipe->out = NULL;
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| 186 | }
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| 187 |
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| 188 | if (pPipe->pCtrl)
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| 189 | {
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| 190 | vusbMsgFreeExtraData(pPipe->pCtrl);
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| 191 | pPipe->pCtrl = NULL;
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| 192 | }
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| 193 | }
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| 194 |
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| 195 | static void map_interface(PVUSBDEV pDev, PCVUSBDESCINTERFACEEX pIfDesc)
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| 196 | {
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| 197 | LogFlow(("map_interface: pDev=%p[%s] pIfDesc=%p:{.iInterface=%d, .bAlternateSetting=%d}\n",
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| 198 | pDev, pDev->pUsbIns->pszName, pIfDesc, pIfDesc->Core.iInterface, pIfDesc->Core.bAlternateSetting));
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| 199 |
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| 200 | for (unsigned i = 0; i < pIfDesc->Core.bNumEndpoints; i++)
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| 201 | {
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| 202 | if ((pIfDesc->paEndpoints[i].Core.bEndpointAddress & 0xF) == VUSB_PIPE_DEFAULT)
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[33595] | 203 | Log(("vusb: Endpoint 0x%x on interface %u.%u tried to override the default message pipe!!!\n",
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[26970] | 204 | pIfDesc->paEndpoints[i].Core.bEndpointAddress, pIfDesc->Core.bInterfaceNumber, pIfDesc->Core.bAlternateSetting));
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| 205 | else
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| 206 | vusbDevMapEndpoint(pDev, &pIfDesc->paEndpoints[i]);
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| 207 | }
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| 208 | }
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| 209 |
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[52526] | 210 |
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| 211 | /**
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| 212 | * Worker that resets the pipe data on select config and detach.
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| 213 | *
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| 214 | * This leaves the critical section unmolested
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| 215 | *
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| 216 | * @param pPipe The pipe which data should be reset.
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| 217 | */
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| 218 | static void vusbDevResetPipeData(PVUSBPIPE pPipe)
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| 219 | {
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| 220 | vusbMsgFreeExtraData(pPipe->pCtrl);
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| 221 | pPipe->pCtrl = NULL;
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| 222 |
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| 223 | RT_ZERO(pPipe->in);
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| 224 | RT_ZERO(pPipe->out);
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| 225 | pPipe->async = 0;
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| 226 | }
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| 227 |
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| 228 |
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[26970] | 229 | bool vusbDevDoSelectConfig(PVUSBDEV pDev, PCVUSBDESCCONFIGEX pCfgDesc)
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| 230 | {
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| 231 | LogFlow(("vusbDevDoSelectConfig: pDev=%p[%s] pCfgDesc=%p:{.iConfiguration=%d}\n",
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| 232 | pDev, pDev->pUsbIns->pszName, pCfgDesc, pCfgDesc->Core.iConfiguration));
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| 233 |
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| 234 | /*
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| 235 | * Clean up all pipes and interfaces.
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| 236 | */
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| 237 | unsigned i;
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| 238 | for (i = 0; i < VUSB_PIPE_MAX; i++)
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| 239 | if (i != VUSB_PIPE_DEFAULT)
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[52526] | 240 | vusbDevResetPipeData(&pDev->aPipes[i]);
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[26970] | 241 | memset(pDev->paIfStates, 0, pCfgDesc->Core.bNumInterfaces * sizeof(pDev->paIfStates[0]));
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| 242 |
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| 243 | /*
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| 244 | * Map in the default setting for every interface.
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| 245 | */
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| 246 | for (i = 0; i < pCfgDesc->Core.bNumInterfaces; i++)
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| 247 | {
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| 248 | PCVUSBINTERFACE pIf;
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| 249 | struct vusb_interface_state *pIfState;
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| 250 |
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| 251 | pIf = &pCfgDesc->paIfs[i];
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| 252 | pIfState = &pDev->paIfStates[i];
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| 253 | pIfState->pIf = pIf;
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| 254 |
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| 255 | /*
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| 256 | * Find the 0 setting, if it is not present we just use
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| 257 | * the lowest numbered one.
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| 258 | */
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| 259 | for (uint32_t j = 0; j < pIf->cSettings; j++)
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| 260 | {
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| 261 | if ( !pIfState->pCurIfDesc
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| 262 | || pIf->paSettings[j].Core.bAlternateSetting < pIfState->pCurIfDesc->Core.bAlternateSetting)
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| 263 | pIfState->pCurIfDesc = &pIf->paSettings[j];
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| 264 | if (pIfState->pCurIfDesc->Core.bAlternateSetting == 0)
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| 265 | break;
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| 266 | }
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| 267 |
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| 268 | if (pIfState->pCurIfDesc)
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| 269 | map_interface(pDev, pIfState->pCurIfDesc);
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| 270 | }
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| 271 |
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| 272 | pDev->pCurCfgDesc = pCfgDesc;
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| 273 |
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| 274 | if (pCfgDesc->Core.bmAttributes & 0x40)
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| 275 | pDev->u16Status |= (1 << VUSB_DEV_SELF_POWERED);
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| 276 | else
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| 277 | pDev->u16Status &= ~(1 << VUSB_DEV_SELF_POWERED);
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| 278 |
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| 279 | return true;
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| 280 | }
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| 281 |
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| 282 | /**
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| 283 | * Standard device request: SET_CONFIGURATION
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| 284 | * @returns success indicator.
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| 285 | */
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| 286 | static bool vusbDevStdReqSetConfig(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
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| 287 | {
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[62959] | 288 | RT_NOREF(EndPt, pbBuf, pcbBuf);
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[26970] | 289 | unsigned iCfg = pSetup->wValue & 0xff;
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| 290 |
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| 291 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) != VUSB_TO_DEVICE)
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| 292 | {
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[56992] | 293 | Log(("vusb: error: %s: SET_CONFIGURATION - invalid request (dir) !!!\n", pDev->pUsbIns->pszName));
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[26970] | 294 | return false;
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| 295 | }
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| 296 |
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| 297 | /*
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| 298 | * Check that the device is in a valid state.
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| 299 | * (The caller has already checked that it's not being reset.)
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| 300 | */
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[52881] | 301 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
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[26970] | 302 | if (enmState == VUSB_DEVICE_STATE_DEFAULT)
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| 303 | {
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| 304 | LogFlow(("vusbDevStdReqSetConfig: %s: default dev state !!?\n", pDev->pUsbIns->pszName));
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| 305 | return false;
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| 306 | }
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| 307 |
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| 308 | PCVUSBDESCCONFIGEX pNewCfgDesc = vusbDevFindCfgDesc(pDev, iCfg);
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| 309 | if (!pNewCfgDesc)
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| 310 | {
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| 311 | Log(("vusb: error: %s: config %i not found !!!\n", pDev->pUsbIns->pszName, iCfg));
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| 312 | return false;
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| 313 | }
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| 314 |
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| 315 | if (iCfg == 0)
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[52881] | 316 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_ADDRESS);
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[26970] | 317 | else
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[52881] | 318 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_CONFIGURED);
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[26970] | 319 | if (pDev->pUsbIns->pReg->pfnUsbSetConfiguration)
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| 320 | {
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[93979] | 321 | RTCritSectEnter(&pDev->pHub->CritSectDevices);
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[52254] | 322 | int rc = vusbDevIoThreadExecSync(pDev, (PFNRT)pDev->pUsbIns->pReg->pfnUsbSetConfiguration, 5,
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| 323 | pDev->pUsbIns, pNewCfgDesc->Core.bConfigurationValue,
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| 324 | pDev->pCurCfgDesc, pDev->paIfStates, pNewCfgDesc);
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[93979] | 325 | RTCritSectLeave(&pDev->pHub->CritSectDevices);
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[26970] | 326 | if (RT_FAILURE(rc))
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| 327 | {
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| 328 | Log(("vusb: error: %s: failed to set config %i (%Rrc) !!!\n", pDev->pUsbIns->pszName, iCfg, rc));
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| 329 | return false;
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| 330 | }
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| 331 | }
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| 332 | Log(("vusb: %p[%s]: SET_CONFIGURATION: Selected config %u\n", pDev, pDev->pUsbIns->pszName, iCfg));
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| 333 | return vusbDevDoSelectConfig(pDev, pNewCfgDesc);
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| 334 | }
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| 335 |
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| 336 |
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| 337 | /**
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| 338 | * Standard device request: GET_CONFIGURATION
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| 339 | * @returns success indicator.
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| 340 | */
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| 341 | static bool vusbDevStdReqGetConfig(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
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| 342 | {
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[62959] | 343 | RT_NOREF(EndPt);
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[26970] | 344 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) != VUSB_TO_DEVICE)
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| 345 | {
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| 346 | Log(("vusb: error: %s: GET_CONFIGURATION - invalid request (dir) !!!\n", pDev->pUsbIns->pszName));
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| 347 | return false;
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| 348 | }
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| 349 |
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| 350 | /*
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| 351 | * Check that the device is in a valid state.
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| 352 | * (The caller has already checked that it's not being reset.)
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| 353 | */
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[52881] | 354 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
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[26970] | 355 | if ( enmState != VUSB_DEVICE_STATE_CONFIGURED
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| 356 | && enmState != VUSB_DEVICE_STATE_ADDRESS)
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| 357 | {
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| 358 | LogFlow(("vusbDevStdReqGetConfig: error: %s: invalid device state %d!!!\n", pDev->pUsbIns->pszName, enmState));
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| 359 | return false;
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| 360 | }
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| 361 |
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| 362 | if (*pcbBuf < 1)
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| 363 | {
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| 364 | LogFlow(("vusbDevStdReqGetConfig: %s: no space for data!\n", pDev->pUsbIns->pszName));
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| 365 | return true;
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| 366 | }
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| 367 |
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| 368 | uint8_t iCfg;
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[52881] | 369 | if (enmState == VUSB_DEVICE_STATE_ADDRESS)
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[26970] | 370 | iCfg = 0;
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| 371 | else
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| 372 | iCfg = pDev->pCurCfgDesc->Core.bConfigurationValue;
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| 373 |
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| 374 | *pbBuf = iCfg;
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| 375 | *pcbBuf = 1;
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| 376 | LogFlow(("vusbDevStdReqGetConfig: %s: returns iCfg=%d\n", pDev->pUsbIns->pszName, iCfg));
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| 377 | return true;
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| 378 | }
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| 379 |
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| 380 | /**
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| 381 | * Standard device request: GET_INTERFACE
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| 382 | * @returns success indicator.
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| 383 | */
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| 384 | static bool vusbDevStdReqGetInterface(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 385 | {
|
---|
[62959] | 386 | RT_NOREF(EndPt);
|
---|
[26970] | 387 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) != VUSB_TO_INTERFACE)
|
---|
| 388 | {
|
---|
| 389 | Log(("vusb: error: %s: GET_INTERFACE - invalid request (dir) !!!\n", pDev->pUsbIns->pszName));
|
---|
| 390 | return false;
|
---|
| 391 | }
|
---|
| 392 |
|
---|
| 393 | /*
|
---|
| 394 | * Check that the device is in a valid state.
|
---|
| 395 | * (The caller has already checked that it's not being reset.)
|
---|
| 396 | */
|
---|
[52881] | 397 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 398 | if (enmState != VUSB_DEVICE_STATE_CONFIGURED)
|
---|
| 399 | {
|
---|
| 400 | LogFlow(("vusbDevStdReqGetInterface: error: %s: invalid device state %d!!!\n", pDev->pUsbIns->pszName, enmState));
|
---|
| 401 | return false;
|
---|
| 402 | }
|
---|
| 403 |
|
---|
| 404 | if (*pcbBuf < 1)
|
---|
| 405 | {
|
---|
| 406 | LogFlow(("vusbDevStdReqGetInterface: %s: no space for data!\n", pDev->pUsbIns->pszName));
|
---|
| 407 | return true;
|
---|
| 408 | }
|
---|
| 409 |
|
---|
| 410 | for (unsigned i = 0; i < pDev->pCurCfgDesc->Core.bNumInterfaces; i++)
|
---|
| 411 | {
|
---|
| 412 | PCVUSBDESCINTERFACEEX pIfDesc = pDev->paIfStates[i].pCurIfDesc;
|
---|
| 413 | if ( pIfDesc
|
---|
| 414 | && pSetup->wIndex == pIfDesc->Core.bInterfaceNumber)
|
---|
| 415 | {
|
---|
| 416 | *pbBuf = pIfDesc->Core.bAlternateSetting;
|
---|
| 417 | *pcbBuf = 1;
|
---|
| 418 | Log(("vusb: %s: GET_INTERFACE: %u.%u\n", pDev->pUsbIns->pszName, pIfDesc->Core.bInterfaceNumber, *pbBuf));
|
---|
| 419 | return true;
|
---|
| 420 | }
|
---|
| 421 | }
|
---|
| 422 |
|
---|
| 423 | Log(("vusb: error: %s: GET_INTERFACE - unknown iface %u !!!\n", pDev->pUsbIns->pszName, pSetup->wIndex));
|
---|
| 424 | return false;
|
---|
| 425 | }
|
---|
| 426 |
|
---|
| 427 | /**
|
---|
| 428 | * Standard device request: SET_INTERFACE
|
---|
| 429 | * @returns success indicator.
|
---|
| 430 | */
|
---|
| 431 | static bool vusbDevStdReqSetInterface(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 432 | {
|
---|
[62959] | 433 | RT_NOREF(EndPt, pbBuf, pcbBuf);
|
---|
[26970] | 434 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) != VUSB_TO_INTERFACE)
|
---|
| 435 | {
|
---|
| 436 | Log(("vusb: error: %s: SET_INTERFACE - invalid request (dir) !!!\n", pDev->pUsbIns->pszName));
|
---|
| 437 | return false;
|
---|
| 438 | }
|
---|
| 439 |
|
---|
| 440 | /*
|
---|
| 441 | * Check that the device is in a valid state.
|
---|
| 442 | * (The caller has already checked that it's not being reset.)
|
---|
| 443 | */
|
---|
[52881] | 444 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 445 | if (enmState != VUSB_DEVICE_STATE_CONFIGURED)
|
---|
| 446 | {
|
---|
| 447 | LogFlow(("vusbDevStdReqSetInterface: error: %s: invalid device state %d !!!\n", pDev->pUsbIns->pszName, enmState));
|
---|
| 448 | return false;
|
---|
| 449 | }
|
---|
| 450 |
|
---|
| 451 | /*
|
---|
| 452 | * Find the interface.
|
---|
| 453 | */
|
---|
| 454 | uint8_t iIf = pSetup->wIndex;
|
---|
| 455 | PVUSBINTERFACESTATE pIfState = vusbDevFindIfState(pDev, iIf);
|
---|
| 456 | if (!pIfState)
|
---|
| 457 | {
|
---|
| 458 | LogFlow(("vusbDevStdReqSetInterface: error: %s: couldn't find interface %u !!!\n", pDev->pUsbIns->pszName, iIf));
|
---|
| 459 | return false;
|
---|
| 460 | }
|
---|
| 461 | uint8_t iAlt = pSetup->wValue;
|
---|
[62959] | 462 | PCVUSBDESCINTERFACEEX pIfDesc = vusbDevFindAltIfDesc(pIfState, iAlt);
|
---|
[26970] | 463 | if (!pIfDesc)
|
---|
| 464 | {
|
---|
| 465 | LogFlow(("vusbDevStdReqSetInterface: error: %s: couldn't find alt interface %u.%u !!!\n", pDev->pUsbIns->pszName, iIf, iAlt));
|
---|
| 466 | return false;
|
---|
| 467 | }
|
---|
| 468 |
|
---|
| 469 | if (pDev->pUsbIns->pReg->pfnUsbSetInterface)
|
---|
| 470 | {
|
---|
[93979] | 471 | RTCritSectEnter(&pDev->pHub->CritSectDevices);
|
---|
[52254] | 472 | int rc = vusbDevIoThreadExecSync(pDev, (PFNRT)pDev->pUsbIns->pReg->pfnUsbSetInterface, 3, pDev->pUsbIns, iIf, iAlt);
|
---|
[93979] | 473 | RTCritSectLeave(&pDev->pHub->CritSectDevices);
|
---|
[26970] | 474 | if (RT_FAILURE(rc))
|
---|
| 475 | {
|
---|
| 476 | LogFlow(("vusbDevStdReqSetInterface: error: %s: couldn't find alt interface %u.%u (%Rrc)\n", pDev->pUsbIns->pszName, iIf, iAlt, rc));
|
---|
| 477 | return false;
|
---|
| 478 | }
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 | for (unsigned i = 0; i < pIfState->pCurIfDesc->Core.bNumEndpoints; i++)
|
---|
| 482 | unmap_endpoint(pDev, &pIfState->pCurIfDesc->paEndpoints[i]);
|
---|
| 483 |
|
---|
| 484 | Log(("vusb: SET_INTERFACE: Selected %u.%u\n", iIf, iAlt));
|
---|
| 485 |
|
---|
| 486 | map_interface(pDev, pIfDesc);
|
---|
| 487 | pIfState->pCurIfDesc = pIfDesc;
|
---|
| 488 |
|
---|
| 489 | return true;
|
---|
| 490 | }
|
---|
| 491 |
|
---|
| 492 | /**
|
---|
| 493 | * Standard device request: SET_ADDRESS
|
---|
| 494 | * @returns success indicator.
|
---|
| 495 | */
|
---|
| 496 | static bool vusbDevStdReqSetAddress(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 497 | {
|
---|
[62959] | 498 | RT_NOREF(EndPt, pbBuf, pcbBuf);
|
---|
[26970] | 499 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) != VUSB_TO_DEVICE)
|
---|
| 500 | {
|
---|
| 501 | Log(("vusb: error: %s: SET_ADDRESS - invalid request (dir) !!!\n", pDev->pUsbIns->pszName));
|
---|
| 502 | return false;
|
---|
| 503 | }
|
---|
| 504 |
|
---|
| 505 | /*
|
---|
| 506 | * Check that the device is in a valid state.
|
---|
| 507 | * (The caller has already checked that it's not being reset.)
|
---|
| 508 | */
|
---|
[52881] | 509 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 510 | if ( enmState != VUSB_DEVICE_STATE_DEFAULT
|
---|
| 511 | && enmState != VUSB_DEVICE_STATE_ADDRESS)
|
---|
| 512 | {
|
---|
| 513 | LogFlow(("vusbDevStdReqSetAddress: error: %s: invalid device state %d !!!\n", pDev->pUsbIns->pszName, enmState));
|
---|
| 514 | return false;
|
---|
| 515 | }
|
---|
| 516 |
|
---|
[100517] | 517 | /*
|
---|
| 518 | * If wValue has any bits set beyond 0-6, throw them away.
|
---|
| 519 | */
|
---|
| 520 | if ((pSetup->wValue & VUSB_ADDRESS_MASK) != pSetup->wValue) {
|
---|
| 521 | LogRelMax(10, ("VUSB: %s: Warning: Ignoring high bits of requested address (wLength=0x%X), using only lower 7 bits.\n",
|
---|
| 522 | pDev->pUsbIns->pszName, pSetup->wValue));
|
---|
| 523 |
|
---|
| 524 | pSetup->wValue &= VUSB_ADDRESS_MASK;
|
---|
| 525 | }
|
---|
| 526 |
|
---|
[26970] | 527 | pDev->u8NewAddress = pSetup->wValue;
|
---|
| 528 | return true;
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 | /**
|
---|
| 532 | * Standard device request: CLEAR_FEATURE
|
---|
| 533 | * @returns success indicator.
|
---|
| 534 | *
|
---|
| 535 | * @remark This is only called for VUSB_TO_ENDPOINT && ep == 0 && wValue == ENDPOINT_HALT.
|
---|
| 536 | * All other cases of CLEAR_FEATURE is handled in the normal async/sync manner.
|
---|
| 537 | */
|
---|
| 538 | static bool vusbDevStdReqClearFeature(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 539 | {
|
---|
[62959] | 540 | RT_NOREF(pbBuf, pcbBuf);
|
---|
[26970] | 541 | switch (pSetup->bmRequestType & VUSB_RECIP_MASK)
|
---|
| 542 | {
|
---|
| 543 | case VUSB_TO_DEVICE:
|
---|
| 544 | Log(("vusb: ClearFeature: dev(%u): selector=%u\n", pSetup->wIndex, pSetup->wValue));
|
---|
| 545 | break;
|
---|
| 546 | case VUSB_TO_INTERFACE:
|
---|
| 547 | Log(("vusb: ClearFeature: iface(%u): selector=%u\n", pSetup->wIndex, pSetup->wValue));
|
---|
| 548 | break;
|
---|
| 549 | case VUSB_TO_ENDPOINT:
|
---|
| 550 | Log(("vusb: ClearFeature: ep(%u): selector=%u\n", pSetup->wIndex, pSetup->wValue));
|
---|
| 551 | if ( !EndPt /* Default control pipe only */
|
---|
| 552 | && pSetup->wValue == 0 /* ENDPOINT_HALT */
|
---|
| 553 | && pDev->pUsbIns->pReg->pfnUsbClearHaltedEndpoint)
|
---|
| 554 | {
|
---|
[93979] | 555 | RTCritSectEnter(&pDev->pHub->CritSectDevices);
|
---|
[105353] | 556 | int rc = vusbDevIoThreadExecSync(pDev, (PFNRT)pDev->pUsbIns->pReg->pfnUsbClearHaltedEndpoint, 2,
|
---|
| 557 | pDev->pUsbIns, pSetup->wIndex);
|
---|
[93979] | 558 | RTCritSectLeave(&pDev->pHub->CritSectDevices);
|
---|
[26970] | 559 | return RT_SUCCESS(rc);
|
---|
| 560 | }
|
---|
| 561 | break;
|
---|
| 562 | default:
|
---|
| 563 | AssertMsgFailed(("VUSB_TO_OTHER!\n"));
|
---|
| 564 | break;
|
---|
| 565 | }
|
---|
| 566 |
|
---|
| 567 | AssertMsgFailed(("Invalid safe check !!!\n"));
|
---|
| 568 | return false;
|
---|
| 569 | }
|
---|
| 570 |
|
---|
| 571 | /**
|
---|
| 572 | * Standard device request: SET_FEATURE
|
---|
| 573 | * @returns success indicator.
|
---|
| 574 | */
|
---|
| 575 | static bool vusbDevStdReqSetFeature(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 576 | {
|
---|
[62959] | 577 | RT_NOREF(pDev, EndPt, pbBuf, pcbBuf);
|
---|
[26970] | 578 | switch (pSetup->bmRequestType & VUSB_RECIP_MASK)
|
---|
| 579 | {
|
---|
| 580 | case VUSB_TO_DEVICE:
|
---|
| 581 | Log(("vusb: SetFeature: dev(%u): selector=%u\n",
|
---|
| 582 | pSetup->wIndex, pSetup->wValue));
|
---|
| 583 | break;
|
---|
| 584 | case VUSB_TO_INTERFACE:
|
---|
| 585 | Log(("vusb: SetFeature: if(%u): selector=%u\n",
|
---|
| 586 | pSetup->wIndex, pSetup->wValue));
|
---|
| 587 | break;
|
---|
| 588 | case VUSB_TO_ENDPOINT:
|
---|
| 589 | Log(("vusb: SetFeature: ep(%u): selector=%u\n",
|
---|
| 590 | pSetup->wIndex, pSetup->wValue));
|
---|
| 591 | break;
|
---|
| 592 | default:
|
---|
| 593 | AssertMsgFailed(("VUSB_TO_OTHER!\n"));
|
---|
| 594 | return false;
|
---|
| 595 | }
|
---|
| 596 | AssertMsgFailed(("This stuff is bogus\n"));
|
---|
| 597 | return false;
|
---|
| 598 | }
|
---|
| 599 |
|
---|
| 600 | static bool vusbDevStdReqGetStatus(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 601 | {
|
---|
[62959] | 602 | RT_NOREF(EndPt);
|
---|
[26970] | 603 | if (*pcbBuf != 2)
|
---|
| 604 | {
|
---|
| 605 | LogFlow(("vusbDevStdReqGetStatus: %s: buffer is too small! (%d)\n", pDev->pUsbIns->pszName, *pcbBuf));
|
---|
| 606 | return false;
|
---|
| 607 | }
|
---|
| 608 |
|
---|
| 609 | uint16_t u16Status;
|
---|
| 610 | switch (pSetup->bmRequestType & VUSB_RECIP_MASK)
|
---|
| 611 | {
|
---|
| 612 | case VUSB_TO_DEVICE:
|
---|
| 613 | u16Status = pDev->u16Status;
|
---|
| 614 | LogFlow(("vusbDevStdReqGetStatus: %s: device status %#x (%d)\n", pDev->pUsbIns->pszName, u16Status, u16Status));
|
---|
| 615 | break;
|
---|
| 616 | case VUSB_TO_INTERFACE:
|
---|
| 617 | u16Status = 0;
|
---|
| 618 | LogFlow(("vusbDevStdReqGetStatus: %s: bogus interface status request!!\n", pDev->pUsbIns->pszName));
|
---|
| 619 | break;
|
---|
| 620 | case VUSB_TO_ENDPOINT:
|
---|
| 621 | u16Status = 0;
|
---|
| 622 | LogFlow(("vusbDevStdReqGetStatus: %s: bogus endpoint status request!!\n", pDev->pUsbIns->pszName));
|
---|
| 623 | break;
|
---|
| 624 | default:
|
---|
| 625 | AssertMsgFailed(("VUSB_TO_OTHER!\n"));
|
---|
| 626 | return false;
|
---|
| 627 | }
|
---|
| 628 |
|
---|
| 629 | *(uint16_t *)pbBuf = u16Status;
|
---|
| 630 | return true;
|
---|
| 631 | }
|
---|
| 632 |
|
---|
| 633 |
|
---|
| 634 | /**
|
---|
| 635 | * Finds a cached string.
|
---|
| 636 | *
|
---|
| 637 | * @returns Pointer to the cached string if found. NULL if not.
|
---|
| 638 | * @param paLanguages The languages to search.
|
---|
| 639 | * @param cLanguages The number of languages in the table.
|
---|
| 640 | * @param idLang The language ID.
|
---|
| 641 | * @param iString The string index.
|
---|
| 642 | */
|
---|
| 643 | static PCPDMUSBDESCCACHESTRING FindCachedString(PCPDMUSBDESCCACHELANG paLanguages, unsigned cLanguages,
|
---|
| 644 | uint16_t idLang, uint8_t iString)
|
---|
| 645 | {
|
---|
| 646 | /** @todo binary lookups! */
|
---|
| 647 | unsigned iCurLang = cLanguages;
|
---|
| 648 | while (iCurLang-- > 0)
|
---|
| 649 | if (paLanguages[iCurLang].idLang == idLang)
|
---|
| 650 | {
|
---|
| 651 | PCPDMUSBDESCCACHESTRING paStrings = paLanguages[iCurLang].paStrings;
|
---|
| 652 | unsigned iCurStr = paLanguages[iCurLang].cStrings;
|
---|
| 653 | while (iCurStr-- > 0)
|
---|
| 654 | if (paStrings[iCurStr].idx == iString)
|
---|
| 655 | return &paStrings[iCurStr];
|
---|
| 656 | break;
|
---|
| 657 | }
|
---|
| 658 | return NULL;
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 |
|
---|
| 662 | /** Macro for copying descriptor data. */
|
---|
| 663 | #define COPY_DATA(pbDst, cbLeft, pvSrc, cbSrc) \
|
---|
| 664 | do { \
|
---|
| 665 | uint32_t cbSrc_ = cbSrc; \
|
---|
| 666 | uint32_t cbCopy = RT_MIN(cbLeft, cbSrc_); \
|
---|
[59859] | 667 | if (cbCopy) \
|
---|
| 668 | memcpy(pbBuf, pvSrc, cbCopy); \
|
---|
[26970] | 669 | cbLeft -= cbCopy; \
|
---|
| 670 | if (!cbLeft) \
|
---|
| 671 | return; \
|
---|
| 672 | pbBuf += cbCopy; \
|
---|
| 673 | } while (0)
|
---|
| 674 |
|
---|
| 675 | /**
|
---|
| 676 | * Internal function for reading the language IDs.
|
---|
| 677 | */
|
---|
| 678 | static void ReadCachedStringDesc(PCPDMUSBDESCCACHESTRING pString, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 679 | {
|
---|
| 680 | uint32_t cbLeft = *pcbBuf;
|
---|
| 681 |
|
---|
| 682 | RTUTF16 wsz[128]; /* 128-1 => bLength=0xff */
|
---|
| 683 | PRTUTF16 pwsz = wsz;
|
---|
| 684 | size_t cwc;
|
---|
| 685 | int rc = RTStrToUtf16Ex(pString->psz, RT_ELEMENTS(wsz) - 1, &pwsz, RT_ELEMENTS(wsz), &cwc);
|
---|
| 686 | if (RT_FAILURE(rc))
|
---|
| 687 | {
|
---|
| 688 | AssertRC(rc);
|
---|
| 689 | wsz[0] = 'e';
|
---|
| 690 | wsz[1] = 'r';
|
---|
| 691 | wsz[2] = 'r';
|
---|
| 692 | cwc = 3;
|
---|
| 693 | }
|
---|
| 694 |
|
---|
| 695 | VUSBDESCSTRING StringDesc;
|
---|
[52522] | 696 | StringDesc.bLength = (uint8_t)(sizeof(StringDesc) + cwc * sizeof(RTUTF16));
|
---|
[26970] | 697 | StringDesc.bDescriptorType = VUSB_DT_STRING;
|
---|
| 698 | COPY_DATA(pbBuf, cbLeft, &StringDesc, sizeof(StringDesc));
|
---|
[52522] | 699 | COPY_DATA(pbBuf, cbLeft, wsz, (uint32_t)cwc * sizeof(RTUTF16));
|
---|
[26970] | 700 |
|
---|
| 701 | /* updated the size of the output buffer. */
|
---|
| 702 | *pcbBuf -= cbLeft;
|
---|
| 703 | }
|
---|
| 704 |
|
---|
| 705 |
|
---|
| 706 | /**
|
---|
| 707 | * Internal function for reading the language IDs.
|
---|
| 708 | */
|
---|
| 709 | static void ReadCachedLangIdDesc(PCPDMUSBDESCCACHELANG paLanguages, unsigned cLanguages,
|
---|
| 710 | uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 711 | {
|
---|
| 712 | uint32_t cbLeft = *pcbBuf;
|
---|
| 713 |
|
---|
| 714 | VUSBDESCLANGID LangIdDesc;
|
---|
| 715 | size_t cbDesc = sizeof(LangIdDesc) + cLanguages * sizeof(paLanguages[0].idLang);
|
---|
[52522] | 716 | LangIdDesc.bLength = (uint8_t)RT_MIN(0xff, cbDesc);
|
---|
[26970] | 717 | LangIdDesc.bDescriptorType = VUSB_DT_STRING;
|
---|
| 718 | COPY_DATA(pbBuf, cbLeft, &LangIdDesc, sizeof(LangIdDesc));
|
---|
| 719 |
|
---|
| 720 | unsigned iLanguage = cLanguages;
|
---|
| 721 | while (iLanguage-- > 0)
|
---|
| 722 | COPY_DATA(pbBuf, cbLeft, &paLanguages[iLanguage].idLang, sizeof(paLanguages[iLanguage].idLang));
|
---|
| 723 |
|
---|
| 724 | /* updated the size of the output buffer. */
|
---|
| 725 | *pcbBuf -= cbLeft;
|
---|
| 726 | }
|
---|
| 727 |
|
---|
| 728 |
|
---|
| 729 | /**
|
---|
| 730 | * Internal function which performs a descriptor read on the cached descriptors.
|
---|
| 731 | */
|
---|
| 732 | static void ReadCachedConfigDesc(PCVUSBDESCCONFIGEX pCfgDesc, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 733 | {
|
---|
| 734 | uint32_t cbLeft = *pcbBuf;
|
---|
| 735 |
|
---|
| 736 | /*
|
---|
| 737 | * Make a copy of the config descriptor and calculate the wTotalLength field.
|
---|
| 738 | */
|
---|
| 739 | VUSBDESCCONFIG CfgDesc;
|
---|
| 740 | memcpy(&CfgDesc, pCfgDesc, VUSB_DT_CONFIG_MIN_LEN);
|
---|
[66989] | 741 | uint32_t cbTotal = 0;
|
---|
| 742 | cbTotal += pCfgDesc->Core.bLength;
|
---|
| 743 | cbTotal += pCfgDesc->cbClass;
|
---|
[26970] | 744 | for (unsigned i = 0; i < pCfgDesc->Core.bNumInterfaces; i++)
|
---|
| 745 | {
|
---|
| 746 | PCVUSBINTERFACE pIf = &pCfgDesc->paIfs[i];
|
---|
| 747 | for (uint32_t j = 0; j < pIf->cSettings; j++)
|
---|
| 748 | {
|
---|
[43960] | 749 | cbTotal += pIf->paSettings[j].cbIAD;
|
---|
[26970] | 750 | cbTotal += pIf->paSettings[j].Core.bLength;
|
---|
| 751 | cbTotal += pIf->paSettings[j].cbClass;
|
---|
| 752 | for (unsigned k = 0; k < pIf->paSettings[j].Core.bNumEndpoints; k++)
|
---|
| 753 | {
|
---|
| 754 | cbTotal += pIf->paSettings[j].paEndpoints[k].Core.bLength;
|
---|
[53977] | 755 | cbTotal += pIf->paSettings[j].paEndpoints[k].cbSsepc;
|
---|
[26970] | 756 | cbTotal += pIf->paSettings[j].paEndpoints[k].cbClass;
|
---|
| 757 | }
|
---|
| 758 | }
|
---|
| 759 | }
|
---|
| 760 | CfgDesc.wTotalLength = RT_H2LE_U16(cbTotal);
|
---|
| 761 |
|
---|
| 762 | /*
|
---|
| 763 | * Copy the config descriptor
|
---|
| 764 | */
|
---|
| 765 | COPY_DATA(pbBuf, cbLeft, &CfgDesc, VUSB_DT_CONFIG_MIN_LEN);
|
---|
| 766 | COPY_DATA(pbBuf, cbLeft, pCfgDesc->pvMore, pCfgDesc->Core.bLength - VUSB_DT_CONFIG_MIN_LEN);
|
---|
[66989] | 767 | COPY_DATA(pbBuf, cbLeft, pCfgDesc->pvClass, pCfgDesc->cbClass);
|
---|
[26970] | 768 |
|
---|
| 769 | /*
|
---|
| 770 | * Copy out all the interfaces for this configuration
|
---|
| 771 | */
|
---|
| 772 | for (unsigned i = 0; i < pCfgDesc->Core.bNumInterfaces; i++)
|
---|
| 773 | {
|
---|
| 774 | PCVUSBINTERFACE pIf = &pCfgDesc->paIfs[i];
|
---|
| 775 | for (uint32_t j = 0; j < pIf->cSettings; j++)
|
---|
| 776 | {
|
---|
| 777 | PCVUSBDESCINTERFACEEX pIfDesc = &pIf->paSettings[j];
|
---|
| 778 |
|
---|
[43960] | 779 | COPY_DATA(pbBuf, cbLeft, pIfDesc->pIAD, pIfDesc->cbIAD);
|
---|
[26970] | 780 | COPY_DATA(pbBuf, cbLeft, pIfDesc, VUSB_DT_INTERFACE_MIN_LEN);
|
---|
| 781 | COPY_DATA(pbBuf, cbLeft, pIfDesc->pvMore, pIfDesc->Core.bLength - VUSB_DT_INTERFACE_MIN_LEN);
|
---|
| 782 | COPY_DATA(pbBuf, cbLeft, pIfDesc->pvClass, pIfDesc->cbClass);
|
---|
| 783 |
|
---|
| 784 | /*
|
---|
| 785 | * Copy out all the endpoints for this interface
|
---|
| 786 | */
|
---|
| 787 | for (unsigned k = 0; k < pIfDesc->Core.bNumEndpoints; k++)
|
---|
| 788 | {
|
---|
| 789 | VUSBDESCENDPOINT EndPtDesc;
|
---|
| 790 | memcpy(&EndPtDesc, &pIfDesc->paEndpoints[k], VUSB_DT_ENDPOINT_MIN_LEN);
|
---|
| 791 | EndPtDesc.wMaxPacketSize = RT_H2LE_U16(EndPtDesc.wMaxPacketSize);
|
---|
| 792 |
|
---|
| 793 | COPY_DATA(pbBuf, cbLeft, &EndPtDesc, VUSB_DT_ENDPOINT_MIN_LEN);
|
---|
| 794 | COPY_DATA(pbBuf, cbLeft, pIfDesc->paEndpoints[k].pvMore, EndPtDesc.bLength - VUSB_DT_ENDPOINT_MIN_LEN);
|
---|
[53977] | 795 | COPY_DATA(pbBuf, cbLeft, pIfDesc->paEndpoints[k].pvSsepc, pIfDesc->paEndpoints[k].cbSsepc);
|
---|
[26970] | 796 | COPY_DATA(pbBuf, cbLeft, pIfDesc->paEndpoints[k].pvClass, pIfDesc->paEndpoints[k].cbClass);
|
---|
| 797 | }
|
---|
| 798 | }
|
---|
| 799 | }
|
---|
| 800 |
|
---|
| 801 | /* updated the size of the output buffer. */
|
---|
| 802 | *pcbBuf -= cbLeft;
|
---|
| 803 | }
|
---|
| 804 |
|
---|
| 805 | /**
|
---|
| 806 | * Internal function which performs a descriptor read on the cached descriptors.
|
---|
| 807 | */
|
---|
| 808 | static void ReadCachedDeviceDesc(PCVUSBDESCDEVICE pDevDesc, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 809 | {
|
---|
| 810 | uint32_t cbLeft = *pcbBuf;
|
---|
| 811 |
|
---|
| 812 | /*
|
---|
| 813 | * Duplicate the device description and update some fields we keep in cpu type.
|
---|
| 814 | */
|
---|
| 815 | Assert(sizeof(VUSBDESCDEVICE) == 18);
|
---|
| 816 | VUSBDESCDEVICE DevDesc = *pDevDesc;
|
---|
| 817 | DevDesc.bcdUSB = RT_H2LE_U16(DevDesc.bcdUSB);
|
---|
| 818 | DevDesc.idVendor = RT_H2LE_U16(DevDesc.idVendor);
|
---|
| 819 | DevDesc.idProduct = RT_H2LE_U16(DevDesc.idProduct);
|
---|
| 820 | DevDesc.bcdDevice = RT_H2LE_U16(DevDesc.bcdDevice);
|
---|
| 821 |
|
---|
| 822 | COPY_DATA(pbBuf, cbLeft, &DevDesc, sizeof(DevDesc));
|
---|
| 823 | COPY_DATA(pbBuf, cbLeft, pDevDesc + 1, pDevDesc->bLength - sizeof(DevDesc));
|
---|
| 824 |
|
---|
| 825 | /* updated the size of the output buffer. */
|
---|
| 826 | *pcbBuf -= cbLeft;
|
---|
| 827 | }
|
---|
| 828 |
|
---|
| 829 | #undef COPY_DATA
|
---|
| 830 |
|
---|
| 831 | /**
|
---|
[90049] | 832 | * Checks whether a descriptor read can be satisfied by reading from the
|
---|
| 833 | * descriptor cache or has to be passed to the device.
|
---|
| 834 | * If we have descriptors cached, it is generally safe to satisfy descriptor reads
|
---|
| 835 | * from the cache. As usual, there is broken USB software and hardware out there
|
---|
| 836 | * and guests might try to read a nonexistent desciptor (out of range index for
|
---|
| 837 | * string or configuration descriptor) and rely on it not failing.
|
---|
| 838 | * Since we cannot very well guess if such invalid requests should really succeed,
|
---|
| 839 | * and what exactly should happen if they do, we pass such requests to the device.
|
---|
| 840 | * If the descriptor was cached because it was edited, and the guest bypasses the
|
---|
| 841 | * edited cache by reading a descriptor with an invalid index, it is probably
|
---|
| 842 | * best to smash the USB device with a large hammer.
|
---|
| 843 | *
|
---|
| 844 | * See @bugref{10016}.
|
---|
| 845 | *
|
---|
| 846 | * @returns false if request must be passed to device.
|
---|
| 847 | */
|
---|
| 848 | bool vusbDevIsDescriptorInCache(PVUSBDEV pDev, PCVUSBSETUP pSetup)
|
---|
| 849 | {
|
---|
| 850 | unsigned int iIndex = (pSetup->wValue & 0xff);
|
---|
| 851 | Assert(pSetup->bRequest == VUSB_REQ_GET_DESCRIPTOR);
|
---|
| 852 |
|
---|
| 853 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) == VUSB_TO_DEVICE)
|
---|
| 854 | {
|
---|
| 855 | if (pDev->pDescCache->fUseCachedDescriptors)
|
---|
| 856 | {
|
---|
| 857 | switch (pSetup->wValue >> 8)
|
---|
| 858 | {
|
---|
| 859 | case VUSB_DT_DEVICE:
|
---|
| 860 | if (iIndex == 0)
|
---|
| 861 | return true;
|
---|
| 862 |
|
---|
| 863 | LogRelMax(10, ("VUSB: %s: Warning: Reading device descriptor with non-zero index %u (wLength=%u), passing request to device\n",
|
---|
| 864 | pDev->pUsbIns->pszName, iIndex, pSetup->wLength));
|
---|
| 865 | break;
|
---|
| 866 |
|
---|
| 867 | case VUSB_DT_CONFIG:
|
---|
| 868 | if (iIndex < pDev->pDescCache->pDevice->bNumConfigurations)
|
---|
| 869 | return true;
|
---|
| 870 |
|
---|
| 871 | LogRelMax(10, ("VUSB: %s: Warning: Reading configuration descriptor invalid index %u (bNumConfigurations=%u, wLength=%u), passing request to device\n",
|
---|
| 872 | pDev->pUsbIns->pszName, iIndex, pDev->pDescCache->pDevice->bNumConfigurations, pSetup->wLength));
|
---|
| 873 | break;
|
---|
| 874 |
|
---|
| 875 | case VUSB_DT_STRING:
|
---|
| 876 | if (pDev->pDescCache->fUseCachedStringsDescriptors)
|
---|
| 877 | {
|
---|
| 878 | if (pSetup->wIndex == 0) /* Language IDs. */
|
---|
| 879 | return true;
|
---|
| 880 |
|
---|
| 881 | if (FindCachedString(pDev->pDescCache->paLanguages, pDev->pDescCache->cLanguages,
|
---|
| 882 | pSetup->wIndex, iIndex))
|
---|
| 883 | return true;
|
---|
| 884 | }
|
---|
| 885 | break;
|
---|
| 886 |
|
---|
| 887 | default:
|
---|
| 888 | break;
|
---|
| 889 | }
|
---|
| 890 | Log(("VUSB: %s: Descriptor not cached: type=%u descidx=%u lang=%u len=%u, passing request to device\n",
|
---|
| 891 | pDev->pUsbIns->pszName, pSetup->wValue >> 8, iIndex, pSetup->wIndex, pSetup->wLength));
|
---|
| 892 | }
|
---|
| 893 | }
|
---|
| 894 | return false;
|
---|
| 895 | }
|
---|
| 896 |
|
---|
| 897 |
|
---|
| 898 | /**
|
---|
[26970] | 899 | * Standard device request: GET_DESCRIPTOR
|
---|
| 900 | * @returns success indicator.
|
---|
| 901 | */
|
---|
| 902 | static bool vusbDevStdReqGetDescriptor(PVUSBDEV pDev, int EndPt, PVUSBSETUP pSetup, uint8_t *pbBuf, uint32_t *pcbBuf)
|
---|
| 903 | {
|
---|
[62959] | 904 | RT_NOREF(EndPt);
|
---|
[26970] | 905 | if ((pSetup->bmRequestType & VUSB_RECIP_MASK) == VUSB_TO_DEVICE)
|
---|
| 906 | {
|
---|
| 907 | switch (pSetup->wValue >> 8)
|
---|
| 908 | {
|
---|
| 909 | case VUSB_DT_DEVICE:
|
---|
| 910 | ReadCachedDeviceDesc(pDev->pDescCache->pDevice, pbBuf, pcbBuf);
|
---|
| 911 | LogFlow(("vusbDevStdReqGetDescriptor: %s: %u bytes of device descriptors\n", pDev->pUsbIns->pszName, *pcbBuf));
|
---|
| 912 | return true;
|
---|
| 913 |
|
---|
| 914 | case VUSB_DT_CONFIG:
|
---|
| 915 | {
|
---|
| 916 | unsigned int iIndex = (pSetup->wValue & 0xff);
|
---|
| 917 | if (iIndex >= pDev->pDescCache->pDevice->bNumConfigurations)
|
---|
| 918 | {
|
---|
[90025] | 919 | LogFlow(("vusbDevStdReqGetDescriptor: %s: iIndex=%u >= bNumConfigurations=%d !!!\n",
|
---|
[26970] | 920 | pDev->pUsbIns->pszName, iIndex, pDev->pDescCache->pDevice->bNumConfigurations));
|
---|
| 921 | return false;
|
---|
| 922 | }
|
---|
| 923 | ReadCachedConfigDesc(&pDev->pDescCache->paConfigs[iIndex], pbBuf, pcbBuf);
|
---|
| 924 | LogFlow(("vusbDevStdReqGetDescriptor: %s: %u bytes of config descriptors\n", pDev->pUsbIns->pszName, *pcbBuf));
|
---|
| 925 | return true;
|
---|
| 926 | }
|
---|
| 927 |
|
---|
| 928 | case VUSB_DT_STRING:
|
---|
| 929 | {
|
---|
| 930 | if (pSetup->wIndex == 0)
|
---|
| 931 | {
|
---|
| 932 | ReadCachedLangIdDesc(pDev->pDescCache->paLanguages, pDev->pDescCache->cLanguages, pbBuf, pcbBuf);
|
---|
| 933 | LogFlow(("vusbDevStdReqGetDescriptor: %s: %u bytes of language ID (string) descriptors\n", pDev->pUsbIns->pszName, *pcbBuf));
|
---|
| 934 | return true;
|
---|
| 935 | }
|
---|
| 936 | PCPDMUSBDESCCACHESTRING pString;
|
---|
| 937 | pString = FindCachedString(pDev->pDescCache->paLanguages, pDev->pDescCache->cLanguages,
|
---|
| 938 | pSetup->wIndex, pSetup->wValue & 0xff);
|
---|
| 939 | if (pString)
|
---|
| 940 | {
|
---|
| 941 | ReadCachedStringDesc(pString, pbBuf, pcbBuf);
|
---|
| 942 | LogFlow(("vusbDevStdReqGetDescriptor: %s: %u bytes of string descriptors \"%s\"\n",
|
---|
| 943 | pDev->pUsbIns->pszName, *pcbBuf, pString->psz));
|
---|
| 944 | return true;
|
---|
| 945 | }
|
---|
| 946 | break;
|
---|
| 947 | }
|
---|
| 948 |
|
---|
| 949 | default:
|
---|
| 950 | break;
|
---|
| 951 | }
|
---|
| 952 | }
|
---|
| 953 | Log(("vusb: %s: warning: unknown descriptor: type=%u descidx=%u lang=%u len=%u!!!\n",
|
---|
| 954 | pDev->pUsbIns->pszName, pSetup->wValue >> 8, pSetup->wValue & 0xff, pSetup->wIndex, pSetup->wLength));
|
---|
| 955 | return false;
|
---|
| 956 | }
|
---|
| 957 |
|
---|
| 958 |
|
---|
| 959 | /**
|
---|
| 960 | * Service the standard USB requests.
|
---|
| 961 | *
|
---|
| 962 | * Devices may call this from controlmsg() if you want vusb core to handle your standard
|
---|
| 963 | * request, it's not necessary - you could handle them manually
|
---|
| 964 | *
|
---|
| 965 | * @param pDev The device.
|
---|
| 966 | * @param EndPoint The endpoint.
|
---|
| 967 | * @param pSetup Pointer to the setup request structure.
|
---|
| 968 | * @param pvBuf Buffer?
|
---|
| 969 | * @param pcbBuf ?
|
---|
| 970 | */
|
---|
| 971 | bool vusbDevStandardRequest(PVUSBDEV pDev, int EndPoint, PVUSBSETUP pSetup, void *pvBuf, uint32_t *pcbBuf)
|
---|
| 972 | {
|
---|
| 973 | static bool (* const s_apfnStdReq[VUSB_REQ_MAX])(PVUSBDEV, int, PVUSBSETUP, uint8_t *, uint32_t *) =
|
---|
| 974 | {
|
---|
| 975 | vusbDevStdReqGetStatus,
|
---|
| 976 | vusbDevStdReqClearFeature,
|
---|
| 977 | NULL,
|
---|
| 978 | vusbDevStdReqSetFeature,
|
---|
| 979 | NULL,
|
---|
| 980 | vusbDevStdReqSetAddress,
|
---|
| 981 | vusbDevStdReqGetDescriptor,
|
---|
| 982 | NULL,
|
---|
| 983 | vusbDevStdReqGetConfig,
|
---|
| 984 | vusbDevStdReqSetConfig,
|
---|
| 985 | vusbDevStdReqGetInterface,
|
---|
| 986 | vusbDevStdReqSetInterface,
|
---|
| 987 | NULL /* for iso */
|
---|
| 988 | };
|
---|
| 989 |
|
---|
| 990 | /*
|
---|
| 991 | * Check that the device is in a valid state.
|
---|
| 992 | */
|
---|
[52881] | 993 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 994 | if (enmState == VUSB_DEVICE_STATE_RESET)
|
---|
| 995 | {
|
---|
| 996 | LogRel(("VUSB: %s: standard control message ignored, the device is resetting\n", pDev->pUsbIns->pszName));
|
---|
| 997 | return false;
|
---|
| 998 | }
|
---|
| 999 |
|
---|
| 1000 | /*
|
---|
| 1001 | * Do the request if it's one we want to deal with.
|
---|
| 1002 | */
|
---|
| 1003 | if ( pSetup->bRequest >= VUSB_REQ_MAX
|
---|
| 1004 | || !s_apfnStdReq[pSetup->bRequest])
|
---|
| 1005 | {
|
---|
| 1006 | Log(("vusb: warning: standard req not implemented: message %u: val=%u idx=%u len=%u !!!\n",
|
---|
| 1007 | pSetup->bRequest, pSetup->wValue, pSetup->wIndex, pSetup->wLength));
|
---|
| 1008 | return false;
|
---|
| 1009 | }
|
---|
| 1010 |
|
---|
| 1011 | return s_apfnStdReq[pSetup->bRequest](pDev, EndPoint, pSetup, (uint8_t *)pvBuf, pcbBuf);
|
---|
| 1012 | }
|
---|
| 1013 |
|
---|
| 1014 |
|
---|
| 1015 | /**
|
---|
| 1016 | * Sets the address of a device.
|
---|
| 1017 | *
|
---|
| 1018 | * Called by status_completion() and vusbDevResetWorker().
|
---|
| 1019 | */
|
---|
| 1020 | void vusbDevSetAddress(PVUSBDEV pDev, uint8_t u8Address)
|
---|
| 1021 | {
|
---|
| 1022 | LogFlow(("vusbDevSetAddress: pDev=%p[%s]/%i u8Address=%#x\n",
|
---|
| 1023 | pDev, pDev->pUsbIns->pszName, pDev->i16Port, u8Address));
|
---|
| 1024 |
|
---|
| 1025 | /*
|
---|
| 1026 | * Check that the device is in a valid state.
|
---|
| 1027 | */
|
---|
[52881] | 1028 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 1029 | VUSBDEV_ASSERT_VALID_STATE(enmState);
|
---|
| 1030 | if ( enmState == VUSB_DEVICE_STATE_ATTACHED
|
---|
| 1031 | || enmState == VUSB_DEVICE_STATE_DETACHED)
|
---|
| 1032 | {
|
---|
| 1033 | LogFlow(("vusbDevSetAddress: %s: fails because %d < POWERED\n", pDev->pUsbIns->pszName, pDev->enmState));
|
---|
| 1034 | return;
|
---|
| 1035 | }
|
---|
| 1036 | if (enmState == VUSB_DEVICE_STATE_RESET)
|
---|
| 1037 | {
|
---|
| 1038 | LogRel(("VUSB: %s: set address ignored, the device is resetting\n", pDev->pUsbIns->pszName));
|
---|
| 1039 | return;
|
---|
| 1040 | }
|
---|
| 1041 |
|
---|
[100517] | 1042 | /* Paranoia. */
|
---|
| 1043 | Assert((u8Address & VUSB_ADDRESS_MASK) == u8Address);
|
---|
| 1044 | u8Address &= VUSB_ADDRESS_MASK;
|
---|
| 1045 |
|
---|
[26970] | 1046 | /*
|
---|
| 1047 | * Ok, get on with it.
|
---|
| 1048 | */
|
---|
| 1049 | if (pDev->u8Address == u8Address)
|
---|
| 1050 | return;
|
---|
| 1051 |
|
---|
[93939] | 1052 | /** @todo The following logic belongs to the roothub and should actually be in that file. */
|
---|
[26970] | 1053 | PVUSBROOTHUB pRh = vusbDevGetRh(pDev);
|
---|
[46806] | 1054 | AssertPtrReturnVoid(pRh);
|
---|
[93939] | 1055 |
|
---|
| 1056 | RTCritSectEnter(&pRh->CritSectDevices);
|
---|
| 1057 |
|
---|
| 1058 | /* Remove the device from the current address. */
|
---|
[93974] | 1059 | if (pDev->u8Address != VUSB_INVALID_ADDRESS)
|
---|
[93939] | 1060 | {
|
---|
[93977] | 1061 | Assert(pRh->apDevByAddr[pDev->u8Address] == pDev);
|
---|
[93974] | 1062 | pRh->apDevByAddr[pDev->u8Address] = NULL;
|
---|
[93939] | 1063 | }
|
---|
| 1064 |
|
---|
[26970] | 1065 | if (u8Address == VUSB_DEFAULT_ADDRESS)
|
---|
[56395] | 1066 | {
|
---|
[93939] | 1067 | PVUSBDEV pDevDef = pRh->apDevByAddr[VUSB_DEFAULT_ADDRESS];
|
---|
| 1068 |
|
---|
| 1069 | if (pDevDef)
|
---|
[56395] | 1070 | {
|
---|
[93974] | 1071 | pDevDef->u8Address = VUSB_INVALID_ADDRESS;
|
---|
| 1072 | pDevDef->u8NewAddress = VUSB_INVALID_ADDRESS;
|
---|
[93939] | 1073 | vusbDevSetStateCmp(pDevDef, VUSB_DEVICE_STATE_POWERED, VUSB_DEVICE_STATE_DEFAULT);
|
---|
[56395] | 1074 | Log(("2 DEFAULT ADDRS\n"));
|
---|
| 1075 | }
|
---|
| 1076 |
|
---|
[93939] | 1077 | pRh->apDevByAddr[VUSB_DEFAULT_ADDRESS] = pDev;
|
---|
[52881] | 1078 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_DEFAULT);
|
---|
[56395] | 1079 | }
|
---|
[26970] | 1080 | else
|
---|
[93939] | 1081 | {
|
---|
| 1082 | Assert(!pRh->apDevByAddr[u8Address]);
|
---|
| 1083 | pRh->apDevByAddr[u8Address] = pDev;
|
---|
[52881] | 1084 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_ADDRESS);
|
---|
[93939] | 1085 | }
|
---|
[26970] | 1086 |
|
---|
[93974] | 1087 | pDev->u8Address = u8Address;
|
---|
[93939] | 1088 | RTCritSectLeave(&pRh->CritSectDevices);
|
---|
| 1089 |
|
---|
[26970] | 1090 | Log(("vusb: %p[%s]/%i: Assigned address %u\n",
|
---|
| 1091 | pDev, pDev->pUsbIns->pszName, pDev->i16Port, u8Address));
|
---|
| 1092 | }
|
---|
| 1093 |
|
---|
| 1094 |
|
---|
[52301] | 1095 | static DECLCALLBACK(int) vusbDevCancelAllUrbsWorker(PVUSBDEV pDev, bool fDetaching)
|
---|
[26970] | 1096 | {
|
---|
| 1097 | /*
|
---|
| 1098 | * Iterate the URBs and cancel them.
|
---|
| 1099 | */
|
---|
[59737] | 1100 | PVUSBURBVUSB pVUsbUrb, pVUsbUrbNext;
|
---|
| 1101 | RTListForEachSafe(&pDev->LstAsyncUrbs, pVUsbUrb, pVUsbUrbNext, VUSBURBVUSBINT, NdLst)
|
---|
[26970] | 1102 | {
|
---|
[59737] | 1103 | PVUSBURB pUrb = pVUsbUrb->pUrb;
|
---|
[52301] | 1104 |
|
---|
[59704] | 1105 | Assert(pUrb->pVUsb->pDev == pDev);
|
---|
[52301] | 1106 |
|
---|
| 1107 | LogFlow(("%s: vusbDevCancelAllUrbs: CANCELING URB\n", pUrb->pszDesc));
|
---|
[53633] | 1108 | int rc = vusbUrbCancelWorker(pUrb, CANCELMODE_FAIL);
|
---|
| 1109 | AssertRC(rc);
|
---|
[26970] | 1110 | }
|
---|
| 1111 |
|
---|
| 1112 | /*
|
---|
| 1113 | * Reap any URBs which became ripe during cancel now.
|
---|
| 1114 | */
|
---|
[56454] | 1115 | RTCritSectEnter(&pDev->CritSectAsyncUrbs);
|
---|
[26970] | 1116 | unsigned cReaped;
|
---|
| 1117 | do
|
---|
| 1118 | {
|
---|
| 1119 | cReaped = 0;
|
---|
[59737] | 1120 | pVUsbUrb = RTListGetFirst(&pDev->LstAsyncUrbs, VUSBURBVUSBINT, NdLst);
|
---|
| 1121 | while (pVUsbUrb)
|
---|
[26970] | 1122 | {
|
---|
[59737] | 1123 | PVUSBURBVUSB pNext = RTListGetNext(&pDev->LstAsyncUrbs, pVUsbUrb, VUSBURBVUSBINT, NdLst);
|
---|
| 1124 | PVUSBURB pUrb = pVUsbUrb->pUrb;
|
---|
[59704] | 1125 | Assert(pUrb->pVUsb->pDev == pDev);
|
---|
[52301] | 1126 |
|
---|
| 1127 | PVUSBURB pRipe = NULL;
|
---|
| 1128 | if (pUrb->enmState == VUSBURBSTATE_REAPED)
|
---|
| 1129 | pRipe = pUrb;
|
---|
| 1130 | else if (pUrb->enmState == VUSBURBSTATE_CANCELLED)
|
---|
[26970] | 1131 | #ifdef RT_OS_WINDOWS /** @todo Windows doesn't do cancelling, thus this kludge to prevent really bad
|
---|
[52301] | 1132 | * things from happening if we leave a pending URB behinds. */
|
---|
| 1133 | pRipe = pDev->pUsbIns->pReg->pfnUrbReap(pDev->pUsbIns, fDetaching ? 1500 : 0 /*ms*/);
|
---|
[26970] | 1134 | #else
|
---|
[52301] | 1135 | pRipe = pDev->pUsbIns->pReg->pfnUrbReap(pDev->pUsbIns, fDetaching ? 10 : 0 /*ms*/);
|
---|
[26970] | 1136 | #endif
|
---|
[52301] | 1137 | else
|
---|
| 1138 | AssertMsgFailed(("pUrb=%p enmState=%d\n", pUrb, pUrb->enmState));
|
---|
| 1139 | if (pRipe)
|
---|
| 1140 | {
|
---|
[59767] | 1141 | if ( pNext
|
---|
| 1142 | && pRipe == pNext->pUrb)
|
---|
[59737] | 1143 | pNext = RTListGetNext(&pDev->LstAsyncUrbs, pNext, VUSBURBVUSBINT, NdLst);
|
---|
[52301] | 1144 | vusbUrbRipe(pRipe);
|
---|
| 1145 | cReaped++;
|
---|
[26970] | 1146 | }
|
---|
[52301] | 1147 |
|
---|
[59737] | 1148 | pVUsbUrb = pNext;
|
---|
[26970] | 1149 | }
|
---|
| 1150 | } while (cReaped > 0);
|
---|
| 1151 |
|
---|
| 1152 | /*
|
---|
| 1153 | * If we're detaching, we'll have to orphan any leftover URBs.
|
---|
| 1154 | */
|
---|
| 1155 | if (fDetaching)
|
---|
| 1156 | {
|
---|
[59737] | 1157 | RTListForEachSafe(&pDev->LstAsyncUrbs, pVUsbUrb, pVUsbUrbNext, VUSBURBVUSBINT, NdLst)
|
---|
[26970] | 1158 | {
|
---|
[59737] | 1159 | PVUSBURB pUrb = pVUsbUrb->pUrb;
|
---|
[59704] | 1160 | Assert(pUrb->pVUsb->pDev == pDev);
|
---|
[52301] | 1161 |
|
---|
| 1162 | AssertMsgFailed(("%s: Leaking left over URB! state=%d pDev=%p[%s]\n",
|
---|
| 1163 | pUrb->pszDesc, pUrb->enmState, pDev, pDev->pUsbIns->pszName));
|
---|
| 1164 | vusbUrbUnlink(pUrb);
|
---|
| 1165 | /* Unlink isn't enough, because boundary timer and detaching will try to reap it.
|
---|
| 1166 | * It was tested with MSD & iphone attachment to vSMP guest, if
|
---|
| 1167 | * it breaks anything, please add comment here, why we should unlink only.
|
---|
| 1168 | */
|
---|
[59704] | 1169 | pUrb->pVUsb->pfnFree(pUrb);
|
---|
[26970] | 1170 | }
|
---|
| 1171 | }
|
---|
[55337] | 1172 | RTCritSectLeave(&pDev->CritSectAsyncUrbs);
|
---|
[52301] | 1173 | return VINF_SUCCESS;
|
---|
[26970] | 1174 | }
|
---|
| 1175 |
|
---|
[52301] | 1176 | /**
|
---|
| 1177 | * Cancels and completes (with CRC failure) all async URBs pending
|
---|
| 1178 | * on a device. This is typically done as part of a reset and
|
---|
| 1179 | * before detaching a device.
|
---|
| 1180 | *
|
---|
[64294] | 1181 | * @param pDev The VUSB device instance.
|
---|
[52301] | 1182 | * @param fDetaching If set, we will unconditionally unlink (and leak)
|
---|
| 1183 | * any URBs which isn't reaped.
|
---|
| 1184 | */
|
---|
[59775] | 1185 | DECLHIDDEN(void) vusbDevCancelAllUrbs(PVUSBDEV pDev, bool fDetaching)
|
---|
[52301] | 1186 | {
|
---|
| 1187 | int rc = vusbDevIoThreadExecSync(pDev, (PFNRT)vusbDevCancelAllUrbsWorker, 2, pDev, fDetaching);
|
---|
| 1188 | AssertRC(rc);
|
---|
| 1189 | }
|
---|
[26970] | 1190 |
|
---|
[52301] | 1191 |
|
---|
[49814] | 1192 | static DECLCALLBACK(int) vusbDevUrbIoThread(RTTHREAD hThread, void *pvUser)
|
---|
| 1193 | {
|
---|
| 1194 | PVUSBDEV pDev = (PVUSBDEV)pvUser;
|
---|
| 1195 |
|
---|
| 1196 | /* Notify the starter that we are up and running. */
|
---|
| 1197 | RTThreadUserSignal(hThread);
|
---|
| 1198 |
|
---|
| 1199 | LogFlowFunc(("Entering work loop\n"));
|
---|
| 1200 |
|
---|
| 1201 | while (!ASMAtomicReadBool(&pDev->fTerminate))
|
---|
| 1202 | {
|
---|
[52881] | 1203 | if (vusbDevGetState(pDev) != VUSB_DEVICE_STATE_RESET)
|
---|
[49814] | 1204 | vusbUrbDoReapAsyncDev(pDev, RT_INDEFINITE_WAIT);
|
---|
| 1205 |
|
---|
[52148] | 1206 | /* Process any URBs waiting to be cancelled first. */
|
---|
[52254] | 1207 | int rc = RTReqQueueProcess(pDev->hReqQueueSync, 0); /* Don't wait if there is nothing to do. */
|
---|
[62959] | 1208 | Assert(RT_SUCCESS(rc) || rc == VERR_TIMEOUT); NOREF(rc);
|
---|
[49814] | 1209 | }
|
---|
| 1210 |
|
---|
| 1211 | return VINF_SUCCESS;
|
---|
| 1212 | }
|
---|
| 1213 |
|
---|
| 1214 | int vusbDevUrbIoThreadWakeup(PVUSBDEV pDev)
|
---|
| 1215 | {
|
---|
| 1216 | ASMAtomicXchgBool(&pDev->fWokenUp, true);
|
---|
| 1217 | return pDev->pUsbIns->pReg->pfnWakeup(pDev->pUsbIns);
|
---|
| 1218 | }
|
---|
| 1219 |
|
---|
[26970] | 1220 | /**
|
---|
[49814] | 1221 | * Create the URB I/O thread.
|
---|
| 1222 | *
|
---|
| 1223 | * @returns VBox status code.
|
---|
| 1224 | * @param pDev The VUSB device.
|
---|
| 1225 | */
|
---|
| 1226 | int vusbDevUrbIoThreadCreate(PVUSBDEV pDev)
|
---|
| 1227 | {
|
---|
| 1228 | int rc = VINF_SUCCESS;
|
---|
| 1229 |
|
---|
| 1230 | ASMAtomicXchgBool(&pDev->fTerminate, false);
|
---|
| 1231 | rc = RTThreadCreateF(&pDev->hUrbIoThread, vusbDevUrbIoThread, pDev, 0, RTTHREADTYPE_IO,
|
---|
[56395] | 1232 | RTTHREADFLAGS_WAITABLE, "USBDevIo-%d", pDev->i16Port);
|
---|
[49814] | 1233 | if (RT_SUCCESS(rc))
|
---|
| 1234 | {
|
---|
| 1235 | /* Wait for it to become active. */
|
---|
| 1236 | rc = RTThreadUserWait(pDev->hUrbIoThread, RT_INDEFINITE_WAIT);
|
---|
| 1237 | }
|
---|
| 1238 |
|
---|
| 1239 | return rc;
|
---|
| 1240 | }
|
---|
| 1241 |
|
---|
| 1242 | /**
|
---|
| 1243 | * Destro the URB I/O thread.
|
---|
| 1244 | *
|
---|
| 1245 | * @returns VBox status code.
|
---|
| 1246 | * @param pDev The VUSB device.
|
---|
| 1247 | */
|
---|
| 1248 | int vusbDevUrbIoThreadDestroy(PVUSBDEV pDev)
|
---|
| 1249 | {
|
---|
| 1250 | int rc = VINF_SUCCESS;
|
---|
| 1251 | int rcThread = VINF_SUCCESS;
|
---|
| 1252 |
|
---|
| 1253 | ASMAtomicXchgBool(&pDev->fTerminate, true);
|
---|
| 1254 | vusbDevUrbIoThreadWakeup(pDev);
|
---|
| 1255 |
|
---|
| 1256 | rc = RTThreadWait(pDev->hUrbIoThread, RT_INDEFINITE_WAIT, &rcThread);
|
---|
| 1257 | if (RT_SUCCESS(rc))
|
---|
| 1258 | rc = rcThread;
|
---|
| 1259 |
|
---|
[52148] | 1260 | pDev->hUrbIoThread = NIL_RTTHREAD;
|
---|
| 1261 |
|
---|
[49814] | 1262 | return rc;
|
---|
| 1263 | }
|
---|
| 1264 |
|
---|
| 1265 |
|
---|
| 1266 | /**
|
---|
[77000] | 1267 | * Attaches a device to the given hub.
|
---|
| 1268 | *
|
---|
| 1269 | * @returns VBox status code.
|
---|
| 1270 | * @param pDev The device to attach.
|
---|
[93979] | 1271 | * @param pHub The roothub to attach to.
|
---|
[77000] | 1272 | */
|
---|
[93979] | 1273 | int vusbDevAttach(PVUSBDEV pDev, PVUSBROOTHUB pHub)
|
---|
[77000] | 1274 | {
|
---|
| 1275 | AssertMsg(pDev->enmState == VUSB_DEVICE_STATE_DETACHED, ("enmState=%d\n", pDev->enmState));
|
---|
| 1276 |
|
---|
| 1277 | pDev->pHub = pHub;
|
---|
| 1278 | pDev->enmState = VUSB_DEVICE_STATE_ATTACHED;
|
---|
| 1279 |
|
---|
| 1280 | /* noone else ever messes with the default pipe while we are attached */
|
---|
| 1281 | vusbDevMapEndpoint(pDev, &g_Endpoint0);
|
---|
| 1282 | vusbDevDoSelectConfig(pDev, &g_Config0);
|
---|
| 1283 |
|
---|
| 1284 | /* Create I/O thread and attach to the hub. */
|
---|
| 1285 | int rc = vusbDevUrbIoThreadCreate(pDev);
|
---|
| 1286 | if (RT_FAILURE(rc))
|
---|
| 1287 | {
|
---|
| 1288 | pDev->pHub = NULL;
|
---|
| 1289 | pDev->enmState = VUSB_DEVICE_STATE_DETACHED;
|
---|
| 1290 | }
|
---|
| 1291 |
|
---|
| 1292 | return rc;
|
---|
| 1293 | }
|
---|
| 1294 |
|
---|
| 1295 |
|
---|
| 1296 | /**
|
---|
[26970] | 1297 | * Detaches a device from the hub it's attached to.
|
---|
| 1298 | *
|
---|
| 1299 | * @returns VBox status code.
|
---|
| 1300 | * @param pDev The device to detach.
|
---|
| 1301 | *
|
---|
| 1302 | * @remark This can be called in any state but reset.
|
---|
| 1303 | */
|
---|
| 1304 | int vusbDevDetach(PVUSBDEV pDev)
|
---|
| 1305 | {
|
---|
| 1306 | LogFlow(("vusbDevDetach: pDev=%p[%s] enmState=%#x\n", pDev, pDev->pUsbIns->pszName, pDev->enmState));
|
---|
| 1307 | VUSBDEV_ASSERT_VALID_STATE(pDev->enmState);
|
---|
| 1308 | Assert(pDev->enmState != VUSB_DEVICE_STATE_RESET);
|
---|
| 1309 |
|
---|
[76684] | 1310 | /*
|
---|
| 1311 | * Destroy I/O thread and request queue last because they might still be used
|
---|
| 1312 | * when cancelling URBs.
|
---|
| 1313 | */
|
---|
| 1314 | vusbDevUrbIoThreadDestroy(pDev);
|
---|
| 1315 |
|
---|
[52881] | 1316 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_DETACHED);
|
---|
[26970] | 1317 | pDev->pHub = NULL;
|
---|
| 1318 |
|
---|
| 1319 | /* Remove the configuration */
|
---|
| 1320 | pDev->pCurCfgDesc = NULL;
|
---|
[52525] | 1321 | for (unsigned i = 0; i < RT_ELEMENTS(pDev->aPipes); i++)
|
---|
[52526] | 1322 | vusbDevResetPipeData(&pDev->aPipes[i]);
|
---|
[26970] | 1323 | return VINF_SUCCESS;
|
---|
| 1324 | }
|
---|
| 1325 |
|
---|
| 1326 |
|
---|
| 1327 | /**
|
---|
| 1328 | * Destroys a device, detaching it from the hub if necessary.
|
---|
| 1329 | *
|
---|
| 1330 | * @param pDev The device.
|
---|
[62294] | 1331 | * @thread any.
|
---|
[26970] | 1332 | */
|
---|
| 1333 | void vusbDevDestroy(PVUSBDEV pDev)
|
---|
| 1334 | {
|
---|
| 1335 | LogFlow(("vusbDevDestroy: pDev=%p[%s] enmState=%d\n", pDev, pDev->pUsbIns->pszName, pDev->enmState));
|
---|
| 1336 |
|
---|
| 1337 | RTMemFree(pDev->paIfStates);
|
---|
[87762] | 1338 |
|
---|
| 1339 | PDMUsbHlpTimerDestroy(pDev->pUsbIns, pDev->hResetTimer);
|
---|
| 1340 | pDev->hResetTimer = NIL_TMTIMERHANDLE;
|
---|
| 1341 |
|
---|
[52525] | 1342 | for (unsigned i = 0; i < RT_ELEMENTS(pDev->aPipes); i++)
|
---|
[52526] | 1343 | {
|
---|
| 1344 | Assert(pDev->aPipes[i].pCtrl == NULL);
|
---|
[52522] | 1345 | RTCritSectDelete(&pDev->aPipes[i].CritSectCtrl);
|
---|
[52526] | 1346 | }
|
---|
[52274] | 1347 |
|
---|
[53062] | 1348 | if (pDev->hSniffer != VUSBSNIFFER_NIL)
|
---|
| 1349 | VUSBSnifferDestroy(pDev->hSniffer);
|
---|
| 1350 |
|
---|
[59718] | 1351 | vusbUrbPoolDestroy(&pDev->UrbPool);
|
---|
| 1352 |
|
---|
[77000] | 1353 | int rc = RTReqQueueDestroy(pDev->hReqQueueSync);
|
---|
| 1354 | AssertRC(rc);
|
---|
| 1355 | pDev->hReqQueueSync = NIL_RTREQQUEUE;
|
---|
| 1356 |
|
---|
[52301] | 1357 | RTCritSectDelete(&pDev->CritSectAsyncUrbs);
|
---|
[52881] | 1358 | /* Not using vusbDevSetState() deliberately here because it would assert on the state. */
|
---|
[26970] | 1359 | pDev->enmState = VUSB_DEVICE_STATE_DESTROYED;
|
---|
[62294] | 1360 | pDev->pUsbIns->pvVUsbDev2 = NULL;
|
---|
| 1361 | RTMemFree(pDev);
|
---|
[26970] | 1362 | }
|
---|
| 1363 |
|
---|
| 1364 |
|
---|
| 1365 | /* -=-=-=-=-=- VUSBIDEVICE methods -=-=-=-=-=- */
|
---|
| 1366 |
|
---|
| 1367 |
|
---|
| 1368 | /**
|
---|
| 1369 | * The actual reset has been done, do completion on EMT.
|
---|
| 1370 | *
|
---|
| 1371 | * There are several things we have to do now, like set default
|
---|
| 1372 | * config and address, and cleanup the state of control pipes.
|
---|
| 1373 | *
|
---|
| 1374 | * It's possible that the device has a delayed destroy request
|
---|
| 1375 | * pending when we get here. This can happen for async resetting.
|
---|
| 1376 | * We deal with it here, since we're now executing on the EMT
|
---|
| 1377 | * thread and the destruction will be properly serialized now.
|
---|
| 1378 | *
|
---|
| 1379 | * @param pDev The device that is being reset.
|
---|
| 1380 | * @param rc The vusbDevResetWorker return code.
|
---|
| 1381 | * @param pfnDone The done callback specified by the caller of vusbDevReset().
|
---|
| 1382 | * @param pvUser The user argument for the callback.
|
---|
| 1383 | */
|
---|
| 1384 | static void vusbDevResetDone(PVUSBDEV pDev, int rc, PFNVUSBRESETDONE pfnDone, void *pvUser)
|
---|
| 1385 | {
|
---|
| 1386 | VUSBDEV_ASSERT_VALID_STATE(pDev->enmState);
|
---|
| 1387 | Assert(pDev->enmState == VUSB_DEVICE_STATE_RESET);
|
---|
| 1388 |
|
---|
| 1389 | /*
|
---|
| 1390 | * Do control pipe cleanup regardless of state and result.
|
---|
| 1391 | */
|
---|
| 1392 | for (unsigned i = 0; i < VUSB_PIPE_MAX; i++)
|
---|
| 1393 | if (pDev->aPipes[i].pCtrl)
|
---|
| 1394 | vusbMsgResetExtraData(pDev->aPipes[i].pCtrl);
|
---|
| 1395 |
|
---|
| 1396 | /*
|
---|
| 1397 | * Switch to the default state.
|
---|
| 1398 | */
|
---|
[52881] | 1399 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_DEFAULT);
|
---|
[26970] | 1400 | pDev->u16Status = 0;
|
---|
| 1401 | vusbDevDoSelectConfig(pDev, &g_Config0);
|
---|
[93989] | 1402 | vusbDevSetAddress(pDev, VUSB_DEFAULT_ADDRESS);
|
---|
[26970] | 1403 | if (pfnDone)
|
---|
[93914] | 1404 | pfnDone(&pDev->IDevice, pDev->i16Port, rc, pvUser);
|
---|
[26970] | 1405 | }
|
---|
| 1406 |
|
---|
| 1407 |
|
---|
| 1408 | /**
|
---|
[87767] | 1409 | * @callback_method_impl{FNTMTIMERUSB,
|
---|
| 1410 | * Timer callback for doing reset completion.}
|
---|
[26970] | 1411 | */
|
---|
[87767] | 1412 | static DECLCALLBACK(void) vusbDevResetDoneTimer(PPDMUSBINS pUsbIns, TMTIMERHANDLE hTimer, void *pvUser)
|
---|
[26970] | 1413 | {
|
---|
[37359] | 1414 | PVUSBDEV pDev = (PVUSBDEV)pvUser;
|
---|
[52269] | 1415 | PVUSBRESETARGS pArgs = (PVUSBRESETARGS)pDev->pvArgs;
|
---|
| 1416 | Assert(pDev->pUsbIns == pUsbIns);
|
---|
[87767] | 1417 | RT_NOREF(pUsbIns, hTimer);
|
---|
[26970] | 1418 |
|
---|
[58364] | 1419 | AssertPtr(pArgs);
|
---|
| 1420 |
|
---|
[26970] | 1421 | /*
|
---|
| 1422 | * Reset-done processing and cleanup.
|
---|
| 1423 | */
|
---|
[58364] | 1424 | pDev->pvArgs = NULL;
|
---|
[52269] | 1425 | vusbDevResetDone(pDev, pArgs->rc, pArgs->pfnDone, pArgs->pvUser);
|
---|
| 1426 | RTMemFree(pArgs);
|
---|
[26970] | 1427 | }
|
---|
| 1428 |
|
---|
| 1429 |
|
---|
| 1430 | /**
|
---|
[52269] | 1431 | * Perform the actual reset.
|
---|
[26970] | 1432 | *
|
---|
[52269] | 1433 | * @thread EMT or a VUSB reset thread.
|
---|
[26970] | 1434 | */
|
---|
[85121] | 1435 | static DECLCALLBACK(int) vusbDevResetWorker(PVUSBDEV pDev, bool fResetOnLinux, bool fUseTimer, PVUSBRESETARGS pArgs)
|
---|
[26970] | 1436 | {
|
---|
[87762] | 1437 | uint64_t const uTimerDeadline = !fUseTimer ? 0
|
---|
| 1438 | : PDMUsbHlpTimerGet(pDev->pUsbIns, pDev->hResetTimer)
|
---|
| 1439 | + PDMUsbHlpTimerFromMilli(pDev->pUsbIns, pDev->hResetTimer, 10);
|
---|
| 1440 |
|
---|
[52269] | 1441 | int rc = VINF_SUCCESS;
|
---|
| 1442 | if (pDev->pUsbIns->pReg->pfnUsbReset)
|
---|
| 1443 | rc = pDev->pUsbIns->pReg->pfnUsbReset(pDev->pUsbIns, fResetOnLinux);
|
---|
[26970] | 1444 |
|
---|
[58364] | 1445 | if (pArgs)
|
---|
| 1446 | {
|
---|
| 1447 | pArgs->rc = rc;
|
---|
| 1448 | rc = VINF_SUCCESS;
|
---|
| 1449 | }
|
---|
| 1450 |
|
---|
[52269] | 1451 | if (fUseTimer)
|
---|
| 1452 | {
|
---|
| 1453 | /*
|
---|
| 1454 | * We use a timer to communicate the result back to EMT.
|
---|
| 1455 | * This avoids suspend + poweroff issues, and it should give
|
---|
| 1456 | * us more accurate scheduling than making this thread sleep.
|
---|
| 1457 | */
|
---|
[87762] | 1458 | int rc2 = PDMUsbHlpTimerSet(pDev->pUsbIns, pDev->hResetTimer, uTimerDeadline);
|
---|
[52269] | 1459 | AssertReleaseRC(rc2);
|
---|
| 1460 | }
|
---|
[26970] | 1461 |
|
---|
[52269] | 1462 | LogFlow(("vusbDevResetWorker: %s: returns %Rrc\n", pDev->pUsbIns->pszName, rc));
|
---|
[26970] | 1463 | return rc;
|
---|
| 1464 | }
|
---|
| 1465 |
|
---|
| 1466 |
|
---|
| 1467 | /**
|
---|
| 1468 | * Resets a device.
|
---|
| 1469 | *
|
---|
| 1470 | * Since a device reset shall take at least 10ms from the guest point of view,
|
---|
[37359] | 1471 | * it must be performed asynchronously. We create a thread which performs this
|
---|
[26970] | 1472 | * operation and ensures it will take at least 10ms.
|
---|
| 1473 | *
|
---|
| 1474 | * At times - like init - a synchronous reset is required, this can be done
|
---|
| 1475 | * by passing NULL for pfnDone.
|
---|
| 1476 | *
|
---|
| 1477 | * While the device is being reset it is in the VUSB_DEVICE_STATE_RESET state.
|
---|
| 1478 | * On completion it will be in the VUSB_DEVICE_STATE_DEFAULT state if successful,
|
---|
| 1479 | * or in the VUSB_DEVICE_STATE_DETACHED state if the rest failed.
|
---|
| 1480 | *
|
---|
| 1481 | * @returns VBox status code.
|
---|
| 1482 | *
|
---|
[64294] | 1483 | * @param pDevice Pointer to the VUSB device interface.
|
---|
[26970] | 1484 | * @param fResetOnLinux Whether it's safe to reset the device(s) on a linux
|
---|
| 1485 | * host system. See discussion of logical reconnects elsewhere.
|
---|
| 1486 | * @param pfnDone Pointer to the completion routine. If NULL a synchronous
|
---|
| 1487 | * reset is preformed not respecting the 10ms.
|
---|
[64294] | 1488 | * @param pvUser Opaque user data to pass to the done callback.
|
---|
[26970] | 1489 | * @param pVM Pointer to the VM handle for performing the done function
|
---|
| 1490 | * on the EMT thread.
|
---|
| 1491 | * @thread EMT
|
---|
| 1492 | */
|
---|
[62959] | 1493 | static DECLCALLBACK(int) vusbIDeviceReset(PVUSBIDEVICE pDevice, bool fResetOnLinux,
|
---|
| 1494 | PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM)
|
---|
[26970] | 1495 | {
|
---|
[62959] | 1496 | RT_NOREF(pVM);
|
---|
[26970] | 1497 | PVUSBDEV pDev = (PVUSBDEV)pDevice;
|
---|
| 1498 | Assert(!pfnDone || pVM);
|
---|
| 1499 | LogFlow(("vusb: reset: [%s]/%i\n", pDev->pUsbIns->pszName, pDev->i16Port));
|
---|
| 1500 |
|
---|
| 1501 | /*
|
---|
| 1502 | * Only one reset operation at a time.
|
---|
| 1503 | */
|
---|
[52881] | 1504 | const VUSBDEVICESTATE enmStateOld = vusbDevSetState(pDev, VUSB_DEVICE_STATE_RESET);
|
---|
| 1505 | if (enmStateOld == VUSB_DEVICE_STATE_RESET)
|
---|
[26970] | 1506 | {
|
---|
| 1507 | LogRel(("VUSB: %s: reset request is ignored, the device is already resetting!\n", pDev->pUsbIns->pszName));
|
---|
| 1508 | return VERR_VUSB_DEVICE_IS_RESETTING;
|
---|
| 1509 | }
|
---|
| 1510 |
|
---|
| 1511 | /*
|
---|
| 1512 | * First, cancel all async URBs.
|
---|
| 1513 | */
|
---|
| 1514 | vusbDevCancelAllUrbs(pDev, false);
|
---|
| 1515 |
|
---|
| 1516 | /* Async or sync? */
|
---|
| 1517 | if (pfnDone)
|
---|
| 1518 | {
|
---|
| 1519 | /*
|
---|
| 1520 | * Async fashion.
|
---|
| 1521 | */
|
---|
| 1522 | PVUSBRESETARGS pArgs = (PVUSBRESETARGS)RTMemTmpAlloc(sizeof(*pArgs));
|
---|
| 1523 | if (pArgs)
|
---|
| 1524 | {
|
---|
[52269] | 1525 | pArgs->pDev = pDev;
|
---|
[37359] | 1526 | pArgs->pfnDone = pfnDone;
|
---|
[52269] | 1527 | pArgs->pvUser = pvUser;
|
---|
| 1528 | pArgs->rc = VINF_SUCCESS;
|
---|
[58364] | 1529 | AssertPtrNull(pDev->pvArgs);
|
---|
[52269] | 1530 | pDev->pvArgs = pArgs;
|
---|
| 1531 | int rc = vusbDevIoThreadExec(pDev, 0 /* fFlags */, (PFNRT)vusbDevResetWorker, 4, pDev, fResetOnLinux, true, pArgs);
|
---|
[37359] | 1532 | if (RT_SUCCESS(rc))
|
---|
| 1533 | return rc;
|
---|
[26970] | 1534 |
|
---|
| 1535 | RTMemTmpFree(pArgs);
|
---|
| 1536 | }
|
---|
| 1537 | /* fall back to sync on failure */
|
---|
| 1538 | }
|
---|
| 1539 |
|
---|
| 1540 | /*
|
---|
| 1541 | * Sync fashion.
|
---|
| 1542 | */
|
---|
[52269] | 1543 | int rc = vusbDevResetWorker(pDev, fResetOnLinux, false, NULL);
|
---|
[26970] | 1544 | vusbDevResetDone(pDev, rc, pfnDone, pvUser);
|
---|
| 1545 | return rc;
|
---|
| 1546 | }
|
---|
| 1547 |
|
---|
| 1548 |
|
---|
| 1549 | /**
|
---|
| 1550 | * Powers on the device.
|
---|
| 1551 | *
|
---|
| 1552 | * @returns VBox status code.
|
---|
| 1553 | * @param pInterface Pointer to the device interface structure.
|
---|
| 1554 | */
|
---|
[57442] | 1555 | static DECLCALLBACK(int) vusbIDevicePowerOn(PVUSBIDEVICE pInterface)
|
---|
[26970] | 1556 | {
|
---|
| 1557 | PVUSBDEV pDev = (PVUSBDEV)pInterface;
|
---|
| 1558 | LogFlow(("vusbDevPowerOn: pDev=%p[%s]\n", pDev, pDev->pUsbIns->pszName));
|
---|
| 1559 |
|
---|
| 1560 | /*
|
---|
| 1561 | * Check that the device is in a valid state.
|
---|
| 1562 | */
|
---|
[52881] | 1563 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 1564 | if (enmState == VUSB_DEVICE_STATE_DETACHED)
|
---|
| 1565 | {
|
---|
| 1566 | Log(("vusb: warning: attempt to power on detached device %p[%s]\n", pDev, pDev->pUsbIns->pszName));
|
---|
| 1567 | return VERR_VUSB_DEVICE_NOT_ATTACHED;
|
---|
| 1568 | }
|
---|
| 1569 | if (enmState == VUSB_DEVICE_STATE_RESET)
|
---|
| 1570 | {
|
---|
| 1571 | LogRel(("VUSB: %s: power on ignored, the device is resetting!\n", pDev->pUsbIns->pszName));
|
---|
| 1572 | return VERR_VUSB_DEVICE_IS_RESETTING;
|
---|
| 1573 | }
|
---|
| 1574 |
|
---|
| 1575 | /*
|
---|
| 1576 | * Do the job.
|
---|
| 1577 | */
|
---|
| 1578 | if (enmState == VUSB_DEVICE_STATE_ATTACHED)
|
---|
[52881] | 1579 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_POWERED);
|
---|
[26970] | 1580 |
|
---|
| 1581 | return VINF_SUCCESS;
|
---|
| 1582 | }
|
---|
| 1583 |
|
---|
| 1584 |
|
---|
| 1585 | /**
|
---|
| 1586 | * Powers off the device.
|
---|
| 1587 | *
|
---|
| 1588 | * @returns VBox status code.
|
---|
| 1589 | * @param pInterface Pointer to the device interface structure.
|
---|
| 1590 | */
|
---|
[57442] | 1591 | static DECLCALLBACK(int) vusbIDevicePowerOff(PVUSBIDEVICE pInterface)
|
---|
[26970] | 1592 | {
|
---|
| 1593 | PVUSBDEV pDev = (PVUSBDEV)pInterface;
|
---|
| 1594 | LogFlow(("vusbDevPowerOff: pDev=%p[%s]\n", pDev, pDev->pUsbIns->pszName));
|
---|
| 1595 |
|
---|
| 1596 | /*
|
---|
| 1597 | * Check that the device is in a valid state.
|
---|
| 1598 | */
|
---|
[52881] | 1599 | const VUSBDEVICESTATE enmState = vusbDevGetState(pDev);
|
---|
[26970] | 1600 | if (enmState == VUSB_DEVICE_STATE_DETACHED)
|
---|
| 1601 | {
|
---|
| 1602 | Log(("vusb: warning: attempt to power off detached device %p[%s]\n", pDev, pDev->pUsbIns->pszName));
|
---|
| 1603 | return VERR_VUSB_DEVICE_NOT_ATTACHED;
|
---|
| 1604 | }
|
---|
| 1605 | if (enmState == VUSB_DEVICE_STATE_RESET)
|
---|
| 1606 | {
|
---|
| 1607 | LogRel(("VUSB: %s: power off ignored, the device is resetting!\n", pDev->pUsbIns->pszName));
|
---|
| 1608 | return VERR_VUSB_DEVICE_IS_RESETTING;
|
---|
| 1609 | }
|
---|
| 1610 |
|
---|
[52881] | 1611 | vusbDevSetState(pDev, VUSB_DEVICE_STATE_ATTACHED);
|
---|
[26970] | 1612 | return VINF_SUCCESS;
|
---|
| 1613 | }
|
---|
| 1614 |
|
---|
| 1615 |
|
---|
| 1616 | /**
|
---|
| 1617 | * Get the state of the device.
|
---|
| 1618 | *
|
---|
| 1619 | * @returns Device state.
|
---|
| 1620 | * @param pInterface Pointer to the device interface structure.
|
---|
| 1621 | */
|
---|
[57442] | 1622 | static DECLCALLBACK(VUSBDEVICESTATE) vusbIDeviceGetState(PVUSBIDEVICE pInterface)
|
---|
[26970] | 1623 | {
|
---|
[52881] | 1624 | return vusbDevGetState((PVUSBDEV)pInterface);
|
---|
[26970] | 1625 | }
|
---|
| 1626 |
|
---|
| 1627 |
|
---|
| 1628 | /**
|
---|
[56271] | 1629 | * @interface_method_impl{VUSBIDEVICE,pfnIsSavedStateSupported}
|
---|
[49117] | 1630 | */
|
---|
[57442] | 1631 | static DECLCALLBACK(bool) vusbIDeviceIsSavedStateSupported(PVUSBIDEVICE pInterface)
|
---|
[49117] | 1632 | {
|
---|
| 1633 | PVUSBDEV pDev = (PVUSBDEV)pInterface;
|
---|
[56271] | 1634 | bool fSavedStateSupported = RT_BOOL(pDev->pUsbIns->pReg->fFlags & PDM_USBREG_SAVED_STATE_SUPPORTED);
|
---|
[49117] | 1635 |
|
---|
| 1636 | LogFlowFunc(("pInterface=%p\n", pInterface));
|
---|
| 1637 |
|
---|
[56271] | 1638 | LogFlowFunc(("returns %RTbool\n", fSavedStateSupported));
|
---|
| 1639 | return fSavedStateSupported;
|
---|
[49117] | 1640 | }
|
---|
| 1641 |
|
---|
| 1642 |
|
---|
| 1643 | /**
|
---|
[53210] | 1644 | * @interface_method_impl{VUSBIDEVICE,pfnGetState}
|
---|
| 1645 | */
|
---|
[57442] | 1646 | static DECLCALLBACK(VUSBSPEED) vusbIDeviceGetSpeed(PVUSBIDEVICE pInterface)
|
---|
[53210] | 1647 | {
|
---|
| 1648 | PVUSBDEV pDev = (PVUSBDEV)pInterface;
|
---|
| 1649 | VUSBSPEED enmSpeed = pDev->pUsbIns->enmSpeed;
|
---|
| 1650 |
|
---|
| 1651 | LogFlowFunc(("pInterface=%p, returns %u\n", pInterface, enmSpeed));
|
---|
| 1652 | return enmSpeed;
|
---|
| 1653 | }
|
---|
| 1654 |
|
---|
| 1655 |
|
---|
| 1656 | /**
|
---|
[26970] | 1657 | * The maximum number of interfaces the device can have in all of it's configuration.
|
---|
| 1658 | *
|
---|
| 1659 | * @returns Number of interfaces.
|
---|
| 1660 | * @param pDev The device.
|
---|
| 1661 | */
|
---|
| 1662 | size_t vusbDevMaxInterfaces(PVUSBDEV pDev)
|
---|
| 1663 | {
|
---|
| 1664 | uint8_t cMax = 0;
|
---|
| 1665 | unsigned i = pDev->pDescCache->pDevice->bNumConfigurations;
|
---|
| 1666 | while (i-- > 0)
|
---|
| 1667 | {
|
---|
| 1668 | if (pDev->pDescCache->paConfigs[i].Core.bNumInterfaces > cMax)
|
---|
| 1669 | cMax = pDev->pDescCache->paConfigs[i].Core.bNumInterfaces;
|
---|
| 1670 | }
|
---|
| 1671 |
|
---|
| 1672 | return cMax;
|
---|
| 1673 | }
|
---|
| 1674 |
|
---|
| 1675 |
|
---|
| 1676 | /**
|
---|
[52269] | 1677 | * Executes a given function on the I/O thread.
|
---|
[52254] | 1678 | *
|
---|
| 1679 | * @returns IPRT status code.
|
---|
[52269] | 1680 | * @param pDev The USB device instance data.
|
---|
| 1681 | * @param fFlags Combination of VUSB_DEV_IO_THREAD_EXEC_FLAGS_*
|
---|
[52254] | 1682 | * @param pfnFunction The function to execute.
|
---|
| 1683 | * @param cArgs Number of arguments to the function.
|
---|
[52269] | 1684 | * @param Args The parameter list.
|
---|
[52254] | 1685 | *
|
---|
| 1686 | * @remarks See remarks on RTReqQueueCallV
|
---|
| 1687 | */
|
---|
[52269] | 1688 | DECLHIDDEN(int) vusbDevIoThreadExecV(PVUSBDEV pDev, uint32_t fFlags, PFNRT pfnFunction, unsigned cArgs, va_list Args)
|
---|
[52254] | 1689 | {
|
---|
| 1690 | int rc = VINF_SUCCESS;
|
---|
| 1691 | PRTREQ hReq = NULL;
|
---|
| 1692 |
|
---|
[80445] | 1693 | Assert(pDev->hUrbIoThread != NIL_RTTHREAD);
|
---|
[52254] | 1694 | if (RT_LIKELY(pDev->hUrbIoThread != NIL_RTTHREAD))
|
---|
| 1695 | {
|
---|
[52269] | 1696 | uint32_t fReqFlags = RTREQFLAGS_IPRT_STATUS;
|
---|
| 1697 |
|
---|
| 1698 | if (!(fFlags & VUSB_DEV_IO_THREAD_EXEC_FLAGS_SYNC))
|
---|
| 1699 | fReqFlags |= RTREQFLAGS_NO_WAIT;
|
---|
| 1700 |
|
---|
| 1701 | rc = RTReqQueueCallV(pDev->hReqQueueSync, &hReq, 0 /* cMillies */, fReqFlags, pfnFunction, cArgs, Args);
|
---|
[52254] | 1702 | Assert(RT_SUCCESS(rc) || rc == VERR_TIMEOUT);
|
---|
[52517] | 1703 |
|
---|
[59615] | 1704 | /* In case we are called on the I/O thread just process the request. */
|
---|
| 1705 | if ( pDev->hUrbIoThread == RTThreadSelf()
|
---|
| 1706 | && (fFlags & VUSB_DEV_IO_THREAD_EXEC_FLAGS_SYNC))
|
---|
| 1707 | {
|
---|
| 1708 | int rc2 = RTReqQueueProcess(pDev->hReqQueueSync, 0);
|
---|
[62959] | 1709 | Assert(RT_SUCCESS(rc2) || rc2 == VERR_TIMEOUT); NOREF(rc2);
|
---|
[59615] | 1710 | }
|
---|
| 1711 | else
|
---|
| 1712 | vusbDevUrbIoThreadWakeup(pDev);
|
---|
| 1713 |
|
---|
[52517] | 1714 | if ( rc == VERR_TIMEOUT
|
---|
| 1715 | && (fFlags & VUSB_DEV_IO_THREAD_EXEC_FLAGS_SYNC))
|
---|
[52269] | 1716 | {
|
---|
| 1717 | rc = RTReqWait(hReq, RT_INDEFINITE_WAIT);
|
---|
| 1718 | AssertRC(rc);
|
---|
| 1719 | }
|
---|
[52517] | 1720 | RTReqRelease(hReq);
|
---|
[52254] | 1721 | }
|
---|
| 1722 | else
|
---|
| 1723 | rc = VERR_INVALID_STATE;
|
---|
| 1724 |
|
---|
[52269] | 1725 | return rc;
|
---|
| 1726 | }
|
---|
| 1727 |
|
---|
| 1728 |
|
---|
| 1729 | /**
|
---|
| 1730 | * Executes a given function on the I/O thread.
|
---|
| 1731 | *
|
---|
| 1732 | * @returns IPRT status code.
|
---|
| 1733 | * @param pDev The USB device instance data.
|
---|
| 1734 | * @param fFlags Combination of VUSB_DEV_IO_THREAD_EXEC_FLAGS_*
|
---|
| 1735 | * @param pfnFunction The function to execute.
|
---|
| 1736 | * @param cArgs Number of arguments to the function.
|
---|
| 1737 | * @param ... The parameter list.
|
---|
| 1738 | *
|
---|
| 1739 | * @remarks See remarks on RTReqQueueCallV
|
---|
| 1740 | */
|
---|
| 1741 | DECLHIDDEN(int) vusbDevIoThreadExec(PVUSBDEV pDev, uint32_t fFlags, PFNRT pfnFunction, unsigned cArgs, ...)
|
---|
| 1742 | {
|
---|
| 1743 | int rc = VINF_SUCCESS;
|
---|
| 1744 | va_list va;
|
---|
| 1745 |
|
---|
| 1746 | va_start(va, cArgs);
|
---|
| 1747 | rc = vusbDevIoThreadExecV(pDev, fFlags, pfnFunction, cArgs, va);
|
---|
[52254] | 1748 | va_end(va);
|
---|
| 1749 | return rc;
|
---|
| 1750 | }
|
---|
| 1751 |
|
---|
[52269] | 1752 |
|
---|
| 1753 | /**
|
---|
| 1754 | * Executes a given function synchronously on the I/O thread waiting for it to complete.
|
---|
| 1755 | *
|
---|
| 1756 | * @returns IPRT status code.
|
---|
| 1757 | * @param pDev The USB device instance data
|
---|
| 1758 | * @param pfnFunction The function to execute.
|
---|
| 1759 | * @param cArgs Number of arguments to the function.
|
---|
| 1760 | * @param ... The parameter list.
|
---|
| 1761 | *
|
---|
| 1762 | * @remarks See remarks on RTReqQueueCallV
|
---|
| 1763 | */
|
---|
| 1764 | DECLHIDDEN(int) vusbDevIoThreadExecSync(PVUSBDEV pDev, PFNRT pfnFunction, unsigned cArgs, ...)
|
---|
| 1765 | {
|
---|
| 1766 | int rc = VINF_SUCCESS;
|
---|
| 1767 | va_list va;
|
---|
| 1768 |
|
---|
| 1769 | va_start(va, cArgs);
|
---|
| 1770 | rc = vusbDevIoThreadExecV(pDev, VUSB_DEV_IO_THREAD_EXEC_FLAGS_SYNC, pfnFunction, cArgs, va);
|
---|
| 1771 | va_end(va);
|
---|
| 1772 | return rc;
|
---|
| 1773 | }
|
---|
| 1774 |
|
---|
| 1775 |
|
---|
[52254] | 1776 | /**
|
---|
[26970] | 1777 | * Initialize a new VUSB device.
|
---|
| 1778 | *
|
---|
| 1779 | * @returns VBox status code.
|
---|
[64294] | 1780 | * @param pDev The VUSB device to initialize.
|
---|
| 1781 | * @param pUsbIns Pointer to the PDM USB Device instance.
|
---|
| 1782 | * @param pszCaptureFilename Optional fileame to capture the traffic to.
|
---|
[26970] | 1783 | */
|
---|
[53062] | 1784 | int vusbDevInit(PVUSBDEV pDev, PPDMUSBINS pUsbIns, const char *pszCaptureFilename)
|
---|
[26970] | 1785 | {
|
---|
| 1786 | /*
|
---|
| 1787 | * Initialize the device data members.
|
---|
| 1788 | * (All that are Non-Zero at least.)
|
---|
| 1789 | */
|
---|
| 1790 | Assert(!pDev->IDevice.pfnReset);
|
---|
[52269] | 1791 | Assert(!pDev->IDevice.pfnPowerOn);
|
---|
| 1792 | Assert(!pDev->IDevice.pfnPowerOff);
|
---|
| 1793 | Assert(!pDev->IDevice.pfnGetState);
|
---|
[56271] | 1794 | Assert(!pDev->IDevice.pfnIsSavedStateSupported);
|
---|
[52269] | 1795 |
|
---|
[52881] | 1796 | pDev->IDevice.pfnReset = vusbIDeviceReset;
|
---|
| 1797 | pDev->IDevice.pfnPowerOn = vusbIDevicePowerOn;
|
---|
| 1798 | pDev->IDevice.pfnPowerOff = vusbIDevicePowerOff;
|
---|
| 1799 | pDev->IDevice.pfnGetState = vusbIDeviceGetState;
|
---|
[56271] | 1800 | pDev->IDevice.pfnIsSavedStateSupported = vusbIDeviceIsSavedStateSupported;
|
---|
[53210] | 1801 | pDev->IDevice.pfnGetSpeed = vusbIDeviceGetSpeed;
|
---|
[26970] | 1802 | pDev->pUsbIns = pUsbIns;
|
---|
| 1803 | pDev->pHub = NULL;
|
---|
| 1804 | pDev->enmState = VUSB_DEVICE_STATE_DETACHED;
|
---|
[62294] | 1805 | pDev->cRefs = 1;
|
---|
[26970] | 1806 | pDev->u8Address = VUSB_INVALID_ADDRESS;
|
---|
| 1807 | pDev->u8NewAddress = VUSB_INVALID_ADDRESS;
|
---|
| 1808 | pDev->i16Port = -1;
|
---|
| 1809 | pDev->u16Status = 0;
|
---|
| 1810 | pDev->pDescCache = NULL;
|
---|
| 1811 | pDev->pCurCfgDesc = NULL;
|
---|
| 1812 | pDev->paIfStates = NULL;
|
---|
[59737] | 1813 | RTListInit(&pDev->LstAsyncUrbs);
|
---|
[26970] | 1814 | memset(&pDev->aPipes[0], 0, sizeof(pDev->aPipes));
|
---|
[52513] | 1815 | for (unsigned i = 0; i < RT_ELEMENTS(pDev->aPipes); i++)
|
---|
| 1816 | {
|
---|
| 1817 | int rc = RTCritSectInit(&pDev->aPipes[i].CritSectCtrl);
|
---|
| 1818 | AssertRCReturn(rc, rc);
|
---|
| 1819 | }
|
---|
[87762] | 1820 | pDev->hResetTimer = NIL_TMTIMERHANDLE;
|
---|
[53062] | 1821 | pDev->hSniffer = VUSBSNIFFER_NIL;
|
---|
[26970] | 1822 |
|
---|
[52301] | 1823 | int rc = RTCritSectInit(&pDev->CritSectAsyncUrbs);
|
---|
| 1824 | AssertRCReturn(rc, rc);
|
---|
| 1825 |
|
---|
[59718] | 1826 | /* Create the URB pool. */
|
---|
| 1827 | rc = vusbUrbPoolInit(&pDev->UrbPool);
|
---|
| 1828 | AssertRCReturn(rc, rc);
|
---|
| 1829 |
|
---|
[52254] | 1830 | /* Setup request queue executing synchronous tasks on the I/O thread. */
|
---|
[52301] | 1831 | rc = RTReqQueueCreate(&pDev->hReqQueueSync);
|
---|
[52254] | 1832 | AssertRCReturn(rc, rc);
|
---|
| 1833 |
|
---|
[37359] | 1834 | /*
|
---|
[89674] | 1835 | * Create the reset timer. Make sure the name is unique as we're generic code.
|
---|
[52269] | 1836 | */
|
---|
[89674] | 1837 | static uint32_t volatile s_iSeq;
|
---|
| 1838 | char szDesc[32];
|
---|
| 1839 | RTStrPrintf(szDesc, sizeof(szDesc), "VUSB Reset #%u", ASMAtomicIncU32(&s_iSeq));
|
---|
[87762] | 1840 | rc = PDMUsbHlpTimerCreate(pDev->pUsbIns, TMCLOCK_VIRTUAL, vusbDevResetDoneTimer, pDev, 0 /*fFlags*/,
|
---|
[89674] | 1841 | szDesc, &pDev->hResetTimer);
|
---|
[52269] | 1842 | AssertRCReturn(rc, rc);
|
---|
| 1843 |
|
---|
[53062] | 1844 | if (pszCaptureFilename)
|
---|
| 1845 | {
|
---|
[59615] | 1846 | rc = VUSBSnifferCreate(&pDev->hSniffer, 0, pszCaptureFilename, NULL, NULL);
|
---|
[53062] | 1847 | AssertRCReturn(rc, rc);
|
---|
| 1848 | }
|
---|
| 1849 |
|
---|
[52269] | 1850 | /*
|
---|
[26970] | 1851 | * Get the descriptor cache from the device. (shall cannot fail)
|
---|
| 1852 | */
|
---|
[77000] | 1853 | pDev->pDescCache = pUsbIns->pReg->pfnUsbGetDescriptorCache(pUsbIns);
|
---|
[52254] | 1854 | AssertPtr(pDev->pDescCache);
|
---|
[26970] | 1855 | #ifdef VBOX_STRICT
|
---|
| 1856 | if (pDev->pDescCache->fUseCachedStringsDescriptors)
|
---|
| 1857 | {
|
---|
| 1858 | int32_t iPrevId = -1;
|
---|
| 1859 | for (unsigned iLang = 0; iLang < pDev->pDescCache->cLanguages; iLang++)
|
---|
| 1860 | {
|
---|
| 1861 | Assert((int32_t)pDev->pDescCache->paLanguages[iLang].idLang > iPrevId);
|
---|
| 1862 | iPrevId = pDev->pDescCache->paLanguages[iLang].idLang;
|
---|
| 1863 |
|
---|
| 1864 | int32_t idxPrevStr = -1;
|
---|
| 1865 | PCPDMUSBDESCCACHESTRING paStrings = pDev->pDescCache->paLanguages[iLang].paStrings;
|
---|
| 1866 | unsigned cStrings = pDev->pDescCache->paLanguages[iLang].cStrings;
|
---|
| 1867 | for (unsigned iStr = 0; iStr < cStrings; iStr++)
|
---|
| 1868 | {
|
---|
| 1869 | Assert((int32_t)paStrings[iStr].idx > idxPrevStr);
|
---|
| 1870 | idxPrevStr = paStrings[iStr].idx;
|
---|
| 1871 | size_t cch = strlen(paStrings[iStr].psz);
|
---|
| 1872 | Assert(cch <= 127);
|
---|
| 1873 | }
|
---|
| 1874 | }
|
---|
| 1875 | }
|
---|
| 1876 | #endif
|
---|
| 1877 |
|
---|
| 1878 | /*
|
---|
| 1879 | * Allocate memory for the interface states.
|
---|
| 1880 | */
|
---|
| 1881 | size_t cbIface = vusbDevMaxInterfaces(pDev) * sizeof(*pDev->paIfStates);
|
---|
| 1882 | pDev->paIfStates = (PVUSBINTERFACESTATE)RTMemAllocZ(cbIface);
|
---|
| 1883 | AssertMsgReturn(pDev->paIfStates, ("RTMemAllocZ(%d) failed\n", cbIface), VERR_NO_MEMORY);
|
---|
| 1884 |
|
---|
| 1885 | return VINF_SUCCESS;
|
---|
| 1886 | }
|
---|
| 1887 |
|
---|
| 1888 | /*
|
---|
| 1889 | * Local Variables:
|
---|
| 1890 | * mode: c
|
---|
| 1891 | * c-file-style: "bsd"
|
---|
| 1892 | * c-basic-offset: 4
|
---|
| 1893 | * tab-width: 4
|
---|
| 1894 | * indent-tabs-mode: s
|
---|
| 1895 | * End:
|
---|
| 1896 | */
|
---|
| 1897 |
|
---|