VirtualBox

source: vbox/trunk/include/VBox/VMMDevTesting.h@ 55331

Last change on this file since 55331 was 53625, checked in by vboxsync, 10 years ago

Test I/O and MMIO performance when we need to go to ring-3 to service the request.

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File size: 6.6 KB
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1/* $Id: VMMDevTesting.h 53625 2014-12-31 15:33:55Z vboxsync $ */
2/** @file
3 * VMMDev - Testing Extensions.
4 */
5
6/*
7 * Copyright (C) 2010-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28#ifndef ___VBox_VMMDevTesting_h
29#define ___VBox_VMMDevTesting_h
30
31#include <VBox/types.h>
32
33/** The base address of the MMIO range used for testing.
34 * This is intentionally put at the 2nd page above 1M so that it can be
35 * accessed from both real (!A20) and protected mode. */
36#define VMMDEV_TESTING_MMIO_BASE UINT32_C(0x00101000)
37/** The size of the MMIO range used for testing. */
38#define VMMDEV_TESTING_MMIO_SIZE UINT32_C(0x00001000)
39/** The NOP MMIO register - 1248 RW. */
40#define VMMDEV_TESTING_MMIO_NOP (VMMDEV_TESTING_MMIO_BASE + 0x000)
41/** The go-to-ring-3-NOP MMIO register - 1248 RW. */
42#define VMMDEV_TESTING_MMIO_NOP_R3 (VMMDEV_TESTING_MMIO_BASE + 0x008)
43/** The real mode selector to use.
44 * @remarks Requires that the A20 gate is enabled. */
45#define VMMDEV_TESTING_MMIO_RM_SEL 0xffff
46/** Calculate the real mode offset of a MMIO register. */
47#define VMMDEV_TESTING_MMIO_RM_OFF(val) ((val) - 0xffff0)
48
49/** The base port of the I/O range used for testing. */
50#define VMMDEV_TESTING_IOPORT_BASE 0x0510
51/** The number of I/O ports reserved for testing. */
52#define VMMDEV_TESTING_IOPORT_COUNT 0x0010
53/** The NOP I/O port - 1,2,4 RW. */
54#define VMMDEV_TESTING_IOPORT_NOP (VMMDEV_TESTING_IOPORT_BASE + 0)
55/** The low nanosecond timestamp - 4 RO. */
56#define VMMDEV_TESTING_IOPORT_TS_LOW (VMMDEV_TESTING_IOPORT_BASE + 1)
57/** The high nanosecond timestamp - 4 RO. Read this after the low one! */
58#define VMMDEV_TESTING_IOPORT_TS_HIGH (VMMDEV_TESTING_IOPORT_BASE + 2)
59/** Command register usually used for preparing the data register - 4 WO. */
60#define VMMDEV_TESTING_IOPORT_CMD (VMMDEV_TESTING_IOPORT_BASE + 3)
61/** Data register which use depends on the current command - 1s, 4 WO. */
62#define VMMDEV_TESTING_IOPORT_DATA (VMMDEV_TESTING_IOPORT_BASE + 4)
63/** The go-to-ring-3-NOP I/O port - 1,2,4 RW. */
64#define VMMDEV_TESTING_IOPORT_NOP_R3 (VMMDEV_TESTING_IOPORT_BASE + 5)
65
66/** @name Commands.
67 * @{ */
68/** Initialize test, sending name (zero terminated string). (RTTestCreate) */
69#define VMMDEV_TESTING_CMD_INIT UINT32_C(0xcab1e000)
70/** Test done, no data. (RTTestSummaryAndDestroy) */
71#define VMMDEV_TESTING_CMD_TERM UINT32_C(0xcab1e001)
72/** Start a new sub-test, sending name (zero terminated string). (RTTestSub) */
73#define VMMDEV_TESTING_CMD_SUB_NEW UINT32_C(0xcab1e002)
74/** Sub-test is done, sending 32-bit error count for it. (RTTestDone) */
75#define VMMDEV_TESTING_CMD_SUB_DONE UINT32_C(0xcab1e003)
76/** Report a failure, sending reason (zero terminated string). (RTTestFailed) */
77#define VMMDEV_TESTING_CMD_FAILED UINT32_C(0xcab1e004)
78/** Report a value, sending the 64-bit value (2x4), the 32-bit unit (4), and
79 * finally the name (zero terminated string). (RTTestValue) */
80#define VMMDEV_TESTING_CMD_VALUE UINT32_C(0xcab1e005)
81/** Report a failure, sending reason (zero terminated string). (RTTestSkipped) */
82#define VMMDEV_TESTING_CMD_SKIPPED UINT32_C(0xcab1e006)
83/** Report a value found in a VMM register, sending a string on the form
84 * "value-name:register-name". */
85#define VMMDEV_TESTING_CMD_VALUE_REG UINT32_C(0xcab1e007)
86/** @} */
87
88/** @name Value units
89 * @{ */
90#define VMMDEV_TESTING_UNIT_PCT UINT8_C(0x01) /**< Percentage. */
91#define VMMDEV_TESTING_UNIT_BYTES UINT8_C(0x02) /**< Bytes. */
92#define VMMDEV_TESTING_UNIT_BYTES_PER_SEC UINT8_C(0x03) /**< Bytes per second. */
93#define VMMDEV_TESTING_UNIT_KILOBYTES UINT8_C(0x04) /**< Kilobytes. */
94#define VMMDEV_TESTING_UNIT_KILOBYTES_PER_SEC UINT8_C(0x05) /**< Kilobytes per second. */
95#define VMMDEV_TESTING_UNIT_MEGABYTES UINT8_C(0x06) /**< Megabytes. */
96#define VMMDEV_TESTING_UNIT_MEGABYTES_PER_SEC UINT8_C(0x07) /**< Megabytes per second. */
97#define VMMDEV_TESTING_UNIT_PACKETS UINT8_C(0x08) /**< Packets. */
98#define VMMDEV_TESTING_UNIT_PACKETS_PER_SEC UINT8_C(0x09) /**< Packets per second. */
99#define VMMDEV_TESTING_UNIT_FRAMES UINT8_C(0x0a) /**< Frames. */
100#define VMMDEV_TESTING_UNIT_FRAMES_PER_SEC UINT8_C(0x0b) /**< Frames per second. */
101#define VMMDEV_TESTING_UNIT_OCCURRENCES UINT8_C(0x0c) /**< Occurrences. */
102#define VMMDEV_TESTING_UNIT_OCCURRENCES_PER_SEC UINT8_C(0x0d) /**< Occurrences per second. */
103#define VMMDEV_TESTING_UNIT_CALLS UINT8_C(0x0e) /**< Calls. */
104#define VMMDEV_TESTING_UNIT_CALLS_PER_SEC UINT8_C(0x0f) /**< Calls per second. */
105#define VMMDEV_TESTING_UNIT_ROUND_TRIP UINT8_C(0x10) /**< Round trips. */
106#define VMMDEV_TESTING_UNIT_SECS UINT8_C(0x11) /**< Seconds. */
107#define VMMDEV_TESTING_UNIT_MS UINT8_C(0x12) /**< Milliseconds. */
108#define VMMDEV_TESTING_UNIT_NS UINT8_C(0x13) /**< Nanoseconds. */
109#define VMMDEV_TESTING_UNIT_NS_PER_CALL UINT8_C(0x14) /**< Nanoseconds per call. */
110#define VMMDEV_TESTING_UNIT_NS_PER_FRAME UINT8_C(0x15) /**< Nanoseconds per frame. */
111#define VMMDEV_TESTING_UNIT_NS_PER_OCCURRENCE UINT8_C(0x16) /**< Nanoseconds per occurrence. */
112#define VMMDEV_TESTING_UNIT_NS_PER_PACKET UINT8_C(0x17) /**< Nanoseconds per frame. */
113#define VMMDEV_TESTING_UNIT_NS_PER_ROUND_TRIP UINT8_C(0x18) /**< Nanoseconds per round trip. */
114#define VMMDEV_TESTING_UNIT_INSTRS UINT8_C(0x19) /**< Instructions. */
115#define VMMDEV_TESTING_UNIT_INSTRS_PER_SEC UINT8_C(0x1a) /**< Instructions per second. */
116#define VMMDEV_TESTING_UNIT_NONE UINT8_C(0x1b) /**< No unit. */
117/** @} */
118
119
120/** What the NOP accesses returns. */
121#define VMMDEV_TESTING_NOP_RET UINT32_C(0x64726962) /* bird */
122
123#endif
124
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