| 1 | /** @file
|
|---|
| 2 | * PDM - Pluggable Device Manager, Serial port related interfaces.
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2018-2019 Oracle Corporation
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License (GPL) as published by the Free Software
|
|---|
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | *
|
|---|
| 16 | * The contents of this file may alternatively be used under the terms
|
|---|
| 17 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 19 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 20 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 21 | *
|
|---|
| 22 | * You may elect to license modified versions of this file under the
|
|---|
| 23 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 24 | */
|
|---|
| 25 |
|
|---|
| 26 | #ifndef VBOX_INCLUDED_vmm_pdmserialifs_h
|
|---|
| 27 | #define VBOX_INCLUDED_vmm_pdmserialifs_h
|
|---|
| 28 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 29 | # pragma once
|
|---|
| 30 | #endif
|
|---|
| 31 |
|
|---|
| 32 | #include <VBox/types.h>
|
|---|
| 33 |
|
|---|
| 34 | RT_C_DECLS_BEGIN
|
|---|
| 35 |
|
|---|
| 36 | /** @defgroup grp_pdm_ifs_serial PDM Serial Port Interfaces
|
|---|
| 37 | * @ingroup grp_pdm_interfaces
|
|---|
| 38 | * @{
|
|---|
| 39 | */
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 | /** @name Bit mask definitions for status line type.
|
|---|
| 43 | * @{ */
|
|---|
| 44 | #define PDMISERIALPORT_STS_LINE_DCD RT_BIT(0)
|
|---|
| 45 | #define PDMISERIALPORT_STS_LINE_RI RT_BIT(1)
|
|---|
| 46 | #define PDMISERIALPORT_STS_LINE_DSR RT_BIT(2)
|
|---|
| 47 | #define PDMISERIALPORT_STS_LINE_CTS RT_BIT(3)
|
|---|
| 48 | /** @} */
|
|---|
| 49 |
|
|---|
| 50 | /** Pointer to a serial port interface. */
|
|---|
| 51 | typedef struct PDMISERIALPORT *PPDMISERIALPORT;
|
|---|
| 52 | /**
|
|---|
| 53 | * Serial port interface (down).
|
|---|
| 54 | */
|
|---|
| 55 | typedef struct PDMISERIALPORT
|
|---|
| 56 | {
|
|---|
| 57 | /**
|
|---|
| 58 | * Notifies the upper device/driver that data is available for reading.
|
|---|
| 59 | *
|
|---|
| 60 | * @returns VBox status code.
|
|---|
| 61 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 62 | * @param cbAvail The amount of data available to be written.
|
|---|
| 63 | */
|
|---|
| 64 | DECLR3CALLBACKMEMBER(int, pfnDataAvailRdrNotify, (PPDMISERIALPORT pInterface, size_t cbAvail));
|
|---|
| 65 |
|
|---|
| 66 | /**
|
|---|
| 67 | * Notifies the upper device/driver that all data was sent.
|
|---|
| 68 | *
|
|---|
| 69 | * @returns VBox status code.
|
|---|
| 70 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 71 | */
|
|---|
| 72 | DECLR3CALLBACKMEMBER(int, pfnDataSentNotify, (PPDMISERIALPORT pInterface));
|
|---|
| 73 |
|
|---|
| 74 | /**
|
|---|
| 75 | * Try to read data from the device/driver above for writing.
|
|---|
| 76 | *
|
|---|
| 77 | * @returns VBox status code.
|
|---|
| 78 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 79 | * @param pvBuf Where to store the read data.
|
|---|
| 80 | * @param cbRead How much to read.
|
|---|
| 81 | * @param pcbRead Where to store the amount of data actually read on success.
|
|---|
| 82 | */
|
|---|
| 83 | DECLR3CALLBACKMEMBER(int, pfnReadWr, (PPDMISERIALPORT pInterface, void *pvBuf, size_t cbRead, size_t *pcbRead));
|
|---|
| 84 |
|
|---|
| 85 | /**
|
|---|
| 86 | * Notify the device/driver when the status lines changed.
|
|---|
| 87 | *
|
|---|
| 88 | * @returns VBox status code.
|
|---|
| 89 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 90 | * @param fNewStatusLines New state of the status line pins.
|
|---|
| 91 | * @thread Any thread.
|
|---|
| 92 | */
|
|---|
| 93 | DECLR3CALLBACKMEMBER(int, pfnNotifyStsLinesChanged, (PPDMISERIALPORT pInterface, uint32_t fNewStatusLines));
|
|---|
| 94 |
|
|---|
| 95 | /**
|
|---|
| 96 | * Notify the device/driver that a break condition occurred.
|
|---|
| 97 | *
|
|---|
| 98 | * @returns VBox statsus code.
|
|---|
| 99 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 100 | * @thread Any thread.
|
|---|
| 101 | */
|
|---|
| 102 | DECLR3CALLBACKMEMBER(int, pfnNotifyBrk, (PPDMISERIALPORT pInterface));
|
|---|
| 103 |
|
|---|
| 104 | } PDMISERIALPORT;
|
|---|
| 105 | /** PDMISERIALPORT interface ID. */
|
|---|
| 106 | #define PDMISERIALPORT_IID "44540323-06ca-44c1-8eb2-f5a387704dbd"
|
|---|
| 107 |
|
|---|
| 108 |
|
|---|
| 109 | /**
|
|---|
| 110 | * Supported parity modes.
|
|---|
| 111 | */
|
|---|
| 112 | typedef enum PDMSERIALPARITY
|
|---|
| 113 | {
|
|---|
| 114 | /** Invalid parity setting. */
|
|---|
| 115 | PDMSERIALPARITY_INVALID = 0,
|
|---|
| 116 | /** No parity. */
|
|---|
| 117 | PDMSERIALPARITY_NONE,
|
|---|
| 118 | /** Even parity. */
|
|---|
| 119 | PDMSERIALPARITY_EVEN,
|
|---|
| 120 | /** Odd parity. */
|
|---|
| 121 | PDMSERIALPARITY_ODD,
|
|---|
| 122 | /** Mark parity. */
|
|---|
| 123 | PDMSERIALPARITY_MARK,
|
|---|
| 124 | /** Space parity. */
|
|---|
| 125 | PDMSERIALPARITY_SPACE,
|
|---|
| 126 | /** 32bit hack. */
|
|---|
| 127 | PDMSERIALPARITY_32BIT_HACK = 0x7fffffff
|
|---|
| 128 | } PDMSERIALPARITY;
|
|---|
| 129 |
|
|---|
| 130 |
|
|---|
| 131 | /**
|
|---|
| 132 | * Supported number of stop bits.
|
|---|
| 133 | */
|
|---|
| 134 | typedef enum PDMSERIALSTOPBITS
|
|---|
| 135 | {
|
|---|
| 136 | /** Invalid stop bits setting. */
|
|---|
| 137 | PDMSERIALSTOPBITS_INVALID = 0,
|
|---|
| 138 | /** One stop bit is used. */
|
|---|
| 139 | PDMSERIALSTOPBITS_ONE,
|
|---|
| 140 | /** 1.5 stop bits are used. */
|
|---|
| 141 | PDMSERIALSTOPBITS_ONEPOINTFIVE,
|
|---|
| 142 | /** 2 stop bits are used. */
|
|---|
| 143 | PDMSERIALSTOPBITS_TWO,
|
|---|
| 144 | /** 32bit hack. */
|
|---|
| 145 | PDMSERIALSTOPBITS_32BIT_HACK = 0x7fffffff
|
|---|
| 146 | } PDMSERIALSTOPBITS;
|
|---|
| 147 |
|
|---|
| 148 |
|
|---|
| 149 | /** Pointer to a serial interface. */
|
|---|
| 150 | typedef struct PDMISERIALCONNECTOR *PPDMISERIALCONNECTOR;
|
|---|
| 151 | /**
|
|---|
| 152 | * Serial interface (up).
|
|---|
| 153 | * Pairs with PDMISERIALPORT.
|
|---|
| 154 | */
|
|---|
| 155 | typedef struct PDMISERIALCONNECTOR
|
|---|
| 156 | {
|
|---|
| 157 | /**
|
|---|
| 158 | * Notifies the lower layer that data is available for writing.
|
|---|
| 159 | *
|
|---|
| 160 | * @returns VBox status code.
|
|---|
| 161 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 162 | */
|
|---|
| 163 | DECLR3CALLBACKMEMBER(int, pfnDataAvailWrNotify, (PPDMISERIALCONNECTOR pInterface));
|
|---|
| 164 |
|
|---|
| 165 | /**
|
|---|
| 166 | * Try to read data from the underyling driver.
|
|---|
| 167 | *
|
|---|
| 168 | * @returns VBox status code.
|
|---|
| 169 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 170 | * @param pvBuf Where to store the read data.
|
|---|
| 171 | * @param cbRead How much to read.
|
|---|
| 172 | * @param pcbRead Where to store the amount of data actually read on success.
|
|---|
| 173 | */
|
|---|
| 174 | DECLR3CALLBACKMEMBER(int, pfnReadRdr, (PPDMISERIALCONNECTOR pInterface, void *pvBuf, size_t cbRead, size_t *pcbRead));
|
|---|
| 175 |
|
|---|
| 176 | /**
|
|---|
| 177 | * Change device parameters.
|
|---|
| 178 | *
|
|---|
| 179 | * @returns VBox status code.
|
|---|
| 180 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 181 | * @param uBps Speed of the serial connection. (bits per second)
|
|---|
| 182 | * @param enmParity Parity method.
|
|---|
| 183 | * @param cDataBits Number of data bits.
|
|---|
| 184 | * @param enmStopBits Number of stop bits.
|
|---|
| 185 | * @thread Any thread.
|
|---|
| 186 | */
|
|---|
| 187 | DECLR3CALLBACKMEMBER(int, pfnChgParams, (PPDMISERIALCONNECTOR pInterface, uint32_t uBps,
|
|---|
| 188 | PDMSERIALPARITY enmParity, unsigned cDataBits,
|
|---|
| 189 | PDMSERIALSTOPBITS enmStopBits));
|
|---|
| 190 |
|
|---|
| 191 | /**
|
|---|
| 192 | * Set the state of the modem lines.
|
|---|
| 193 | *
|
|---|
| 194 | * @returns VBox status code.
|
|---|
| 195 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 196 | * @param fRts Set to true to make the Request to Send line active otherwise to 0.
|
|---|
| 197 | * @param fDtr Set to true to make the Data Terminal Ready line active otherwise 0.
|
|---|
| 198 | * @thread Any thread.
|
|---|
| 199 | */
|
|---|
| 200 | DECLR3CALLBACKMEMBER(int, pfnChgModemLines, (PPDMISERIALCONNECTOR pInterface, bool fRts, bool fDtr));
|
|---|
| 201 |
|
|---|
| 202 | /**
|
|---|
| 203 | * Changes the TD line into the requested break condition.
|
|---|
| 204 | *
|
|---|
| 205 | * @returns VBox status code.
|
|---|
| 206 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 207 | * @param fBrk Set to true to let the device send a break false to put into normal operation.
|
|---|
| 208 | * @thread Any thread.
|
|---|
| 209 | */
|
|---|
| 210 | DECLR3CALLBACKMEMBER(int, pfnChgBrk, (PPDMISERIALCONNECTOR pInterface, bool fBrk));
|
|---|
| 211 |
|
|---|
| 212 | /**
|
|---|
| 213 | * Queries the current state of the status lines.
|
|---|
| 214 | *
|
|---|
| 215 | * @returns VBox status code.
|
|---|
| 216 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 217 | * @param pfStsLines Where to store the status line states on success.
|
|---|
| 218 | */
|
|---|
| 219 | DECLR3CALLBACKMEMBER(int, pfnQueryStsLines, (PPDMISERIALCONNECTOR pInterface, uint32_t *pfStsLines));
|
|---|
| 220 |
|
|---|
| 221 | /**
|
|---|
| 222 | * Flushes the indicated queues.
|
|---|
| 223 | *
|
|---|
| 224 | * @returns VBox status code.
|
|---|
| 225 | * @param pInterface Pointer to the interface structure containing the called function pointer.
|
|---|
| 226 | * @param fQueueRecv Flag whether to flush the receive queue.
|
|---|
| 227 | * @param fQueueXmit Flag whether to flush the transmit queue.
|
|---|
| 228 | */
|
|---|
| 229 | DECLR3CALLBACKMEMBER(int, pfnQueuesFlush, (PPDMISERIALCONNECTOR pInterface, bool fQueueRecv, bool fQueueXmit));
|
|---|
| 230 |
|
|---|
| 231 | } PDMISERIALCONNECTOR;
|
|---|
| 232 | /** PDMIMEDIA interface ID. */
|
|---|
| 233 | #define PDMISERIALCONNECTOR_IID "d024f170-c00d-11e8-b568-0800200c9a66"
|
|---|
| 234 |
|
|---|
| 235 | /** @} */
|
|---|
| 236 |
|
|---|
| 237 | RT_C_DECLS_END
|
|---|
| 238 |
|
|---|
| 239 | #endif /* !VBOX_INCLUDED_vmm_pdmserialifs_h */
|
|---|
