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source: vbox/trunk/include/VBox/VMMDevTesting.h@ 93115

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1/* $Id: VMMDevTesting.h 93115 2022-01-01 11:31:46Z vboxsync $ */
2/** @file
3 * VMMDev - Testing Extensions.
4 */
5
6/*
7 * Copyright (C) 2010-2022 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#ifndef VBOX_INCLUDED_VMMDevTesting_h
28#define VBOX_INCLUDED_VMMDevTesting_h
29#ifndef RT_WITHOUT_PRAGMA_ONCE
30# pragma once
31#endif
32
33#include <VBox/types.h>
34
35
36/** @defgroup grp_vmmdev_testing VMM Device Testing
37 * @ingroup grp_vmmdev
38 * @{
39 */
40
41/** The base address of the MMIO range used for testing.
42 * @remarks This used to be at 0x101000 but moved to 0xdf000 so that it would
43 * work better with prototype NEM code. This also means enabling A20
44 * is not a requirement. */
45#define VMMDEV_TESTING_MMIO_BASE UINT32_C(0x000df000)
46/** The size of the MMIO range used for testing. */
47#define VMMDEV_TESTING_MMIO_SIZE UINT32_C(0x00001000)
48
49/** MMIO offset: The NOP register - 1248 RW. */
50#define VMMDEV_TESTING_MMIO_OFF_NOP (0x000)
51/** MMIO offset: The go-to-ring-3-NOP register - 1248 RW. */
52#define VMMDEV_TESTING_MMIO_OFF_NOP_R3 (0x008)
53/** MMIO offset: The readback registers - 64 bytes of read/write "memory". */
54#define VMMDEV_TESTING_MMIO_OFF_READBACK (0x040)
55/** MMIO offset: Readback register view that always goes to ring-3. */
56#define VMMDEV_TESTING_MMIO_OFF_READBACK_R3 (0x080)
57/** The size of the MMIO readback registers. */
58#define VMMDEV_TESTING_READBACK_SIZE (0x40)
59
60/** Default address of VMMDEV_TESTING_MMIO_OFF_NOP. */
61#define VMMDEV_TESTING_MMIO_NOP (VMMDEV_TESTING_MMIO_BASE + VMMDEV_TESTING_MMIO_OFF_NOP)
62/** Default address of VMMDEV_TESTING_MMIO_OFF_NOP_R3. */
63#define VMMDEV_TESTING_MMIO_NOP_R3 (VMMDEV_TESTING_MMIO_BASE + VMMDEV_TESTING_MMIO_OFF_NOP_R3)
64/** Default address of VMMDEV_TESTING_MMIO_OFF_READBACK. */
65#define VMMDEV_TESTING_MMIO_READBACK (VMMDEV_TESTING_MMIO_BASE + VMMDEV_TESTING_MMIO_OFF_READBACK)
66/** Default address of VMMDEV_TESTING_MMIO_OFF_READBACK_R3. */
67#define VMMDEV_TESTING_MMIO_READBACK_R3 (VMMDEV_TESTING_MMIO_BASE + VMMDEV_TESTING_MMIO_OFF_READBACK_R3)
68
69/** The real mode selector to use. */
70#define VMMDEV_TESTING_MMIO_RM_SEL 0xdf00
71/** Calculate the real mode offset of a MMIO register. */
72#define VMMDEV_TESTING_MMIO_RM_OFF(val) ((val) - VMMDEV_TESTING_MMIO_BASE)
73/** Calculate the real mode offset of a MMIO register offset. */
74#define VMMDEV_TESTING_MMIO_RM_OFF2(off) (off)
75
76/** The base port of the I/O range used for testing. */
77#define VMMDEV_TESTING_IOPORT_BASE 0x0510
78/** The number of I/O ports reserved for testing. */
79#define VMMDEV_TESTING_IOPORT_COUNT 0x0010
80/** The NOP I/O port - 1,2,4 RW. */
81#define VMMDEV_TESTING_IOPORT_NOP (VMMDEV_TESTING_IOPORT_BASE + 0)
82/** The low nanosecond timestamp - 4 RO. */
83#define VMMDEV_TESTING_IOPORT_TS_LOW (VMMDEV_TESTING_IOPORT_BASE + 1)
84/** The high nanosecond timestamp - 4 RO. Read this after the low one! */
85#define VMMDEV_TESTING_IOPORT_TS_HIGH (VMMDEV_TESTING_IOPORT_BASE + 2)
86/** Command register usually used for preparing the data register - 4/2 WO. */
87#define VMMDEV_TESTING_IOPORT_CMD (VMMDEV_TESTING_IOPORT_BASE + 3)
88/** Data register which use depends on the current command - 1s, 4 WO. */
89#define VMMDEV_TESTING_IOPORT_DATA (VMMDEV_TESTING_IOPORT_BASE + 4)
90/** The go-to-ring-3-NOP I/O port - 1,2,4 RW. */
91#define VMMDEV_TESTING_IOPORT_NOP_R3 (VMMDEV_TESTING_IOPORT_BASE + 5)
92/** Take the VMMDev lock in arrival context and return - 1,2,4 RW.
93 * Writing configures counter action by a thread taking the lock to trigger
94 * contention:
95 * - bits 15:0: Number of microseconds thread should hold lock.
96 * - bits 31:16: Number of microseconds thread should wait before locking
97 * again. */
98#define VMMDEV_TESTING_IOPORT_LOCKED_LO (VMMDEV_TESTING_IOPORT_BASE + 6)
99/** Take the VMMDev lock in arrival context and return - 1,2,4 RW.
100 * Writing configures counter action by a thread taking the lock to trigger
101 * contention:
102 * - bits 19:0: Number of kilo (1024) ticks the EMT should hold lock.
103 * - bits 25:20: Reserved, must be zero.
104 * - bit 26: Thread takes lock in shared mode when set, exclusive when clear.
105 * - bit 27: EMT takes lock in shared mode when set, exclusive when clear.
106 * - bit 28: Use read/write critical section when set, device section if clear.
107 * - bit 29: EMT passes VINF_SUCCESS as rcBusy when set.
108 * - bit 30: Makes thread poke all EMTs before release lock.
109 * - bit 31: Enables the thread. */
110#define VMMDEV_TESTING_IOPORT_LOCKED_HI (VMMDEV_TESTING_IOPORT_BASE + 7)
111
112/** @name Commands.
113 * @{ */
114/** Initialize test, sending name (zero terminated string). (RTTestCreate) */
115#define VMMDEV_TESTING_CMD_INIT UINT32_C(0xcab1e000)
116/** Test done, sending 32-bit total error count with it. (RTTestSummaryAndDestroy) */
117#define VMMDEV_TESTING_CMD_TERM UINT32_C(0xcab1e001)
118/** Start a new sub-test, sending name (zero terminated string). (RTTestSub) */
119#define VMMDEV_TESTING_CMD_SUB_NEW UINT32_C(0xcab1e002)
120/** Sub-test is done, sending 32-bit error count for it. (RTTestDone) */
121#define VMMDEV_TESTING_CMD_SUB_DONE UINT32_C(0xcab1e003)
122/** Report a failure, sending reason (zero terminated string). (RTTestFailed) */
123#define VMMDEV_TESTING_CMD_FAILED UINT32_C(0xcab1e004)
124/** Report a value, sending the 64-bit value (2x4), the 32-bit unit (4), and
125 * finally the name (zero terminated string). (RTTestValue) */
126#define VMMDEV_TESTING_CMD_VALUE UINT32_C(0xcab1e005)
127/** Report a failure, sending reason (zero terminated string). (RTTestSkipped) */
128#define VMMDEV_TESTING_CMD_SKIPPED UINT32_C(0xcab1e006)
129/** Report a value found in a VMM register, sending a string on the form
130 * "value-name:register-name". */
131#define VMMDEV_TESTING_CMD_VALUE_REG UINT32_C(0xcab1e007)
132/** Print string, sending a string including newline. (RTTestPrintf) */
133#define VMMDEV_TESTING_CMD_PRINT UINT32_C(0xcab1e008)
134/** Query a config value, sending a 16-bit word (VMMDEV_TESTING_CFG_XXX) to the
135 * DATA port and reading back the result. */
136#define VMMDEV_TESTING_CMD_QUERY_CFG UINT32_C(0xcab1e009)
137
138/** The magic part of the command. */
139#define VMMDEV_TESTING_CMD_MAGIC UINT32_C(0xcab1e000)
140/** The magic part of the command. */
141#define VMMDEV_TESTING_CMD_MAGIC_MASK UINT32_C(0xffffff00)
142/** The magic high word automatically supplied to 16-bit CMD writes. */
143#define VMMDEV_TESTING_CMD_MAGIC_HI_WORD UINT32_C(0xcab10000)
144/** @} */
145
146/** @name Value units
147 * @note Same as RTTESTUNIT, see rules here for adding new units.
148 * @{ */
149#define VMMDEV_TESTING_UNIT_PCT UINT8_C(0x01) /**< Percentage. */
150#define VMMDEV_TESTING_UNIT_BYTES UINT8_C(0x02) /**< Bytes. */
151#define VMMDEV_TESTING_UNIT_BYTES_PER_SEC UINT8_C(0x03) /**< Bytes per second. */
152#define VMMDEV_TESTING_UNIT_KILOBYTES UINT8_C(0x04) /**< Kilobytes. */
153#define VMMDEV_TESTING_UNIT_KILOBYTES_PER_SEC UINT8_C(0x05) /**< Kilobytes per second. */
154#define VMMDEV_TESTING_UNIT_MEGABYTES UINT8_C(0x06) /**< Megabytes. */
155#define VMMDEV_TESTING_UNIT_MEGABYTES_PER_SEC UINT8_C(0x07) /**< Megabytes per second. */
156#define VMMDEV_TESTING_UNIT_PACKETS UINT8_C(0x08) /**< Packets. */
157#define VMMDEV_TESTING_UNIT_PACKETS_PER_SEC UINT8_C(0x09) /**< Packets per second. */
158#define VMMDEV_TESTING_UNIT_FRAMES UINT8_C(0x0a) /**< Frames. */
159#define VMMDEV_TESTING_UNIT_FRAMES_PER_SEC UINT8_C(0x0b) /**< Frames per second. */
160#define VMMDEV_TESTING_UNIT_OCCURRENCES UINT8_C(0x0c) /**< Occurrences. */
161#define VMMDEV_TESTING_UNIT_OCCURRENCES_PER_SEC UINT8_C(0x0d) /**< Occurrences per second. */
162#define VMMDEV_TESTING_UNIT_CALLS UINT8_C(0x0e) /**< Calls. */
163#define VMMDEV_TESTING_UNIT_CALLS_PER_SEC UINT8_C(0x0f) /**< Calls per second. */
164#define VMMDEV_TESTING_UNIT_ROUND_TRIP UINT8_C(0x10) /**< Round trips. */
165#define VMMDEV_TESTING_UNIT_SECS UINT8_C(0x11) /**< Seconds. */
166#define VMMDEV_TESTING_UNIT_MS UINT8_C(0x12) /**< Milliseconds. */
167#define VMMDEV_TESTING_UNIT_NS UINT8_C(0x13) /**< Nanoseconds. */
168#define VMMDEV_TESTING_UNIT_NS_PER_CALL UINT8_C(0x14) /**< Nanoseconds per call. */
169#define VMMDEV_TESTING_UNIT_NS_PER_FRAME UINT8_C(0x15) /**< Nanoseconds per frame. */
170#define VMMDEV_TESTING_UNIT_NS_PER_OCCURRENCE UINT8_C(0x16) /**< Nanoseconds per occurrence. */
171#define VMMDEV_TESTING_UNIT_NS_PER_PACKET UINT8_C(0x17) /**< Nanoseconds per frame. */
172#define VMMDEV_TESTING_UNIT_NS_PER_ROUND_TRIP UINT8_C(0x18) /**< Nanoseconds per round trip. */
173#define VMMDEV_TESTING_UNIT_INSTRS UINT8_C(0x19) /**< Instructions. */
174#define VMMDEV_TESTING_UNIT_INSTRS_PER_SEC UINT8_C(0x1a) /**< Instructions per second. */
175#define VMMDEV_TESTING_UNIT_NONE UINT8_C(0x1b) /**< No unit. */
176#define VMMDEV_TESTING_UNIT_PP1K UINT8_C(0x1c) /**< Parts per thousand (10^-3). */
177#define VMMDEV_TESTING_UNIT_PP10K UINT8_C(0x1d) /**< Parts per ten thousand (10^-4). */
178#define VMMDEV_TESTING_UNIT_PPM UINT8_C(0x1e) /**< Parts per million (10^-6). */
179#define VMMDEV_TESTING_UNIT_PPB UINT8_C(0x1f) /**< Parts per billion (10^-9). */
180#define VMMDEV_TESTING_UNIT_TICKS UINT8_C(0x20) /**< CPU ticks. */
181#define VMMDEV_TESTING_UNIT_TICKS_PER_CALL UINT8_C(0x21) /**< CPU ticks per call. */
182#define VMMDEV_TESTING_UNIT_TICKS_PER_OCCURENCE UINT8_C(0x22) /**< CPU ticks per occurence. */
183#define VMMDEV_TESTING_UNIT_PAGES UINT8_C(0x23) /**< Page count. */
184#define VMMDEV_TESTING_UNIT_PAGES_PER_SEC UINT8_C(0x24) /**< Pages per second. */
185#define VMMDEV_TESTING_UNIT_TICKS_PER_PAGE UINT8_C(0x25) /**< CPU ticks per page. */
186#define VMMDEV_TESTING_UNIT_NS_PER_PAGE UINT8_C(0x26) /**< Nanoseconds per page. */
187/** @} */
188
189/** What the NOP accesses returns. */
190#define VMMDEV_TESTING_NOP_RET UINT32_C(0x64726962) /* bird */
191
192/** @name Low and High Locking Control Dwords
193 * @{ */
194/** Low Locking Control: Thread lock hold interval in microseconds. */
195#define VMMDEV_TESTING_LOCKED_LO_HOLD_MASK UINT32_C(0x0000ffff)
196/** Low Locking Control: Thread wait time in microseconds between locking
197 * attempts. */
198#define VMMDEV_TESTING_LOCKED_LO_WAIT_MASK UINT32_C(0xffff0000)
199/** Low Locking Control: Thread wait time shift count. */
200#define VMMDEV_TESTING_LOCKED_LO_WAIT_SHIFT 16
201/** High Locking Control: Kilo (1024) ticks the EMT should hold the lock. */
202#define VMMDEV_TESTING_LOCKED_HI_TICKS_MASK UINT32_C(0x000fffff)
203/** High Locking Control: Must be zero. */
204#define VMMDEV_TESTING_LOCKED_HI_MBZ_MASK UINT32_C(0x03f00000)
205/** High Locking Control: Thread takes lock in shared mode when set, exclusive
206 * when clear. */
207#define VMMDEV_TESTING_LOCKED_HI_THREAD_SHARED UINT32_C(0x04000000)
208/** High Locking Control: EMT takes lock in shared mode when set, exclusive
209 * when clear. */
210#define VMMDEV_TESTING_LOCKED_HI_EMT_SHARED UINT32_C(0x08000000)
211/** High Locking Control: Use read/write critical section instead of regular. */
212#define VMMDEV_TESTING_LOCKED_HI_TYPE_RW UINT32_C(0x10000000)
213/** High Locking Control: EMT takes lock with rcBusy set to VINF_SUCCESS. */
214#define VMMDEV_TESTING_LOCKED_HI_BUSY_SUCCESS UINT32_C(0x20000000)
215/** High Locking Control: Thread pokes EMTs before releasing lock. */
216#define VMMDEV_TESTING_LOCKED_HI_POKE UINT32_C(0x40000000)
217/** High Locking Control: Thread enabled. */
218#define VMMDEV_TESTING_LOCKED_HI_ENABLED UINT32_C(0x80000000)
219/** @} */
220
221/** @name VMMDEV_TESTING_CFG_XXX - Configuration values that can be queried.
222 * @{ */
223/** Generic 32-bit value \#0 - testcase defined meaning. */
224#define VMMDEV_TESTING_CFG_DWORD0 UINT16_C(0x0000)
225/** Generic 32-bit value \#1 - testcase defined meaning. */
226#define VMMDEV_TESTING_CFG_DWORD1 UINT16_C(0x0001)
227/** Generic 32-bit value \#2 - testcase defined meaning. */
228#define VMMDEV_TESTING_CFG_DWORD2 UINT16_C(0x0002)
229/** Generic 32-bit value \#3 - testcase defined meaning. */
230#define VMMDEV_TESTING_CFG_DWORD3 UINT16_C(0x0003)
231/** Generic 32-bit value \#4 - testcase defined meaning. */
232#define VMMDEV_TESTING_CFG_DWORD4 UINT16_C(0x0004)
233/** Generic 32-bit value \#5 - testcase defined meaning. */
234#define VMMDEV_TESTING_CFG_DWORD5 UINT16_C(0x0005)
235/** Generic 32-bit value \#6 - testcase defined meaning. */
236#define VMMDEV_TESTING_CFG_DWORD6 UINT16_C(0x0006)
237/** Generic 32-bit value \#7 - testcase defined meaning. */
238#define VMMDEV_TESTING_CFG_DWORD7 UINT16_C(0x0007)
239/** Generic 32-bit value \#8 - testcase defined meaning. */
240#define VMMDEV_TESTING_CFG_DWORD8 UINT16_C(0x0008)
241/** Generic 32-bit value \#9 - testcase defined meaning. */
242#define VMMDEV_TESTING_CFG_DWORD9 UINT16_C(0x0009)
243
244/** Boolean (8-bit): Running in NEM on Linux? */
245#define VMMDEV_TESTING_CFG_IS_NEM_LINUX UINT16_C(0x0100)
246/** Boolean (8-bit): Running in NEM on Windows? */
247#define VMMDEV_TESTING_CFG_IS_NEM_WINDOWS UINT16_C(0x0101)
248/** Boolean (8-bit): Running in NEM on Darwin? */
249#define VMMDEV_TESTING_CFG_IS_NEM_DARWIN UINT16_C(0x0102)
250/** @} */
251
252/** @} */
253
254#endif /* !VBOX_INCLUDED_VMMDevTesting_h */
255
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