| 1 | /* @file
|
|---|
| 2 | *
|
|---|
| 3 | * Host Channel
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2012-2023 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * SPDX-License-Identifier: GPL-3.0-only
|
|---|
| 26 | */
|
|---|
| 27 |
|
|---|
| 28 | #ifndef VBOX_INCLUDED_SRC_HostChannel_HostChannel_h
|
|---|
| 29 | #define VBOX_INCLUDED_SRC_HostChannel_HostChannel_h
|
|---|
| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 31 | # pragma once
|
|---|
| 32 | #endif
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/list.h>
|
|---|
| 35 |
|
|---|
| 36 | #define LOG_GROUP LOG_GROUP_HGCM
|
|---|
| 37 | #include <VBox/log.h>
|
|---|
| 38 | #include <VBox/HostServices/VBoxHostChannel.h>
|
|---|
| 39 |
|
|---|
| 40 | #define HOSTCHLOG Log
|
|---|
| 41 |
|
|---|
| 42 | #ifdef DEBUG_sunlover
|
|---|
| 43 | # undef HOSTCHLOG
|
|---|
| 44 | # define HOSTCHLOG LogRel
|
|---|
| 45 | #endif /* DEBUG_sunlover */
|
|---|
| 46 |
|
|---|
| 47 | struct VBOXHOSTCHCTX;
|
|---|
| 48 | typedef struct VBOXHOSTCHCTX VBOXHOSTCHCTX;
|
|---|
| 49 |
|
|---|
| 50 | typedef struct VBOXHOSTCHCLIENT
|
|---|
| 51 | {
|
|---|
| 52 | RTLISTNODE nodeClient;
|
|---|
| 53 |
|
|---|
| 54 | VBOXHOSTCHCTX *pCtx;
|
|---|
| 55 |
|
|---|
| 56 | uint32_t u32ClientID;
|
|---|
| 57 |
|
|---|
| 58 | RTLISTANCHOR listChannels;
|
|---|
| 59 | uint32_t volatile u32HandleSrc;
|
|---|
| 60 |
|
|---|
| 61 | RTLISTANCHOR listContexts; /* Callback contexts. */
|
|---|
| 62 |
|
|---|
| 63 | RTLISTANCHOR listEvents;
|
|---|
| 64 |
|
|---|
| 65 | bool fAsync; /* Guest is waiting for a message. */
|
|---|
| 66 |
|
|---|
| 67 | struct {
|
|---|
| 68 | VBOXHGCMCALLHANDLE callHandle;
|
|---|
| 69 | VBOXHGCMSVCPARM *paParms;
|
|---|
| 70 | } async;
|
|---|
| 71 |
|
|---|
| 72 | } VBOXHOSTCHCLIENT;
|
|---|
| 73 |
|
|---|
| 74 |
|
|---|
| 75 | /*
|
|---|
| 76 | * The service functions. Locking is between the service thread and the host channel provider thread.
|
|---|
| 77 | */
|
|---|
| 78 | int vboxHostChannelLock(void);
|
|---|
| 79 | void vboxHostChannelUnlock(void);
|
|---|
| 80 |
|
|---|
| 81 | int vboxHostChannelInit(void);
|
|---|
| 82 | void vboxHostChannelDestroy(void);
|
|---|
| 83 |
|
|---|
| 84 | int vboxHostChannelClientConnect(VBOXHOSTCHCLIENT *pClient);
|
|---|
| 85 | void vboxHostChannelClientDisconnect(VBOXHOSTCHCLIENT *pClient);
|
|---|
| 86 |
|
|---|
| 87 | int vboxHostChannelAttach(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 88 | uint32_t *pu32Handle,
|
|---|
| 89 | const char *pszName,
|
|---|
| 90 | uint32_t u32Flags);
|
|---|
| 91 | int vboxHostChannelDetach(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 92 | uint32_t u32Handle);
|
|---|
| 93 |
|
|---|
| 94 | int vboxHostChannelSend(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 95 | uint32_t u32Handle,
|
|---|
| 96 | const void *pvData,
|
|---|
| 97 | uint32_t cbData);
|
|---|
| 98 | int vboxHostChannelRecv(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 99 | uint32_t u32Handle,
|
|---|
| 100 | void *pvData,
|
|---|
| 101 | uint32_t cbData,
|
|---|
| 102 | uint32_t *pu32DataReceived,
|
|---|
| 103 | uint32_t *pu32DataRemaining);
|
|---|
| 104 | int vboxHostChannelControl(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 105 | uint32_t u32Handle,
|
|---|
| 106 | uint32_t u32Code,
|
|---|
| 107 | void *pvParm,
|
|---|
| 108 | uint32_t cbParm,
|
|---|
| 109 | void *pvData,
|
|---|
| 110 | uint32_t cbData,
|
|---|
| 111 | uint32_t *pu32SizeDataReturned);
|
|---|
| 112 |
|
|---|
| 113 | int vboxHostChannelEventWait(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 114 | bool *pfEvent,
|
|---|
| 115 | VBOXHGCMCALLHANDLE callHandle,
|
|---|
| 116 | VBOXHGCMSVCPARM *paParms);
|
|---|
| 117 |
|
|---|
| 118 | int vboxHostChannelEventCancel(VBOXHOSTCHCLIENT *pClient);
|
|---|
| 119 |
|
|---|
| 120 | int vboxHostChannelQuery(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 121 | const char *pszName,
|
|---|
| 122 | uint32_t u32Code,
|
|---|
| 123 | void *pvParm,
|
|---|
| 124 | uint32_t cbParm,
|
|---|
| 125 | void *pvData,
|
|---|
| 126 | uint32_t cbData,
|
|---|
| 127 | uint32_t *pu32SizeDataReturned);
|
|---|
| 128 |
|
|---|
| 129 | int vboxHostChannelRegister(const char *pszName,
|
|---|
| 130 | const VBOXHOSTCHANNELINTERFACE *pInterface,
|
|---|
| 131 | uint32_t cbInterface);
|
|---|
| 132 | int vboxHostChannelUnregister(const char *pszName);
|
|---|
| 133 |
|
|---|
| 134 |
|
|---|
| 135 | void vboxHostChannelEventParmsSet(VBOXHGCMSVCPARM *paParms,
|
|---|
| 136 | uint32_t u32ChannelHandle,
|
|---|
| 137 | uint32_t u32Id,
|
|---|
| 138 | const void *pvEvent,
|
|---|
| 139 | uint32_t cbEvent);
|
|---|
| 140 |
|
|---|
| 141 | void vboxHostChannelReportAsync(VBOXHOSTCHCLIENT *pClient,
|
|---|
| 142 | uint32_t u32ChannelHandle,
|
|---|
| 143 | uint32_t u32Id,
|
|---|
| 144 | const void *pvEvent,
|
|---|
| 145 | uint32_t cbEvent);
|
|---|
| 146 |
|
|---|
| 147 | #endif /* !VBOX_INCLUDED_SRC_HostChannel_HostChannel_h */
|
|---|
