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/* $Id: VMMDevTesting.cpp $ */
/** @file
* VMMDev - Testing Extensions.
*/
/*
* Copyright (C) 2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_DEV_VMM
#include <VBox/VMMDev.h>
#include <VBox/log.h>
#include <VBox/err.h>
#include <iprt/asm.h>
#include <iprt/assert.h>
#include <iprt/string.h>
#include <iprt/time.h>
#ifdef IN_RING3
# include <iprt/stream.h>
#endif
#include "VMMDevState.h"
#include "VMMDevTesting.h"
#ifndef VBOX_WITHOUT_TESTING_FEATURES
/**
* @callback_method_impl{FNIOMMMIOWRITE}
*/
PDMBOTHCBDECL(int) vmmdevTestingMmioWrite(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS GCPhysAddr, void *pv, unsigned cb)
{
switch (GCPhysAddr)
{
case VMMDEV_TESTING_MMIO_NOP:
switch (cb)
{
case 8:
case 4:
case 2:
case 1:
break;
default:
AssertFailed();
return VERR_INTERNAL_ERROR_5;
}
return VINF_SUCCESS;
default:
break;
}
return VINF_SUCCESS;
}
/**
* @callback_method_impl{FNIOMMMIOREAD}
*/
PDMBOTHCBDECL(int) vmmdevTestingMmioRead(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS GCPhysAddr, void *pv, unsigned cb)
{
switch (GCPhysAddr)
{
case VMMDEV_TESTING_MMIO_NOP:
switch (cb)
{
case 8:
*(uint64_t *)pv = VMMDEV_TESTING_NOP_RET | ((uint64_t)VMMDEV_TESTING_NOP_RET << 32);
break;
case 4:
*(uint32_t *)pv = VMMDEV_TESTING_NOP_RET;
break;
case 2:
*(uint16_t *)pv = (uint16_t)VMMDEV_TESTING_NOP_RET;
break;
case 1:
*(uint8_t *)pv = (uint8_t)VMMDEV_TESTING_NOP_RET;
break;
default:
AssertFailed();
return VERR_INTERNAL_ERROR_5;
}
return VINF_SUCCESS;
default:
break;
}
return VINF_IOM_MMIO_UNUSED_FF;
}
/**
* @callback_method_impl{FNIOMIOPORTOUT}
*/
PDMBOTHCBDECL(int) vmmdevTestingIoWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb)
{
VMMDevState *pThis = PDMINS_2_DATA(pDevIns, VMMDevState *);
switch (Port)
{
case VMMDEV_TESTING_IOPORT_NOP:
switch (cb)
{
case 4:
case 2:
case 1:
break;
default:
AssertFailed();
return VERR_INTERNAL_ERROR_2;
}
return VINF_SUCCESS;
case VMMDEV_TESTING_IOPORT_TS_LOW:
break;
case VMMDEV_TESTING_IOPORT_TS_HIGH:
break;
case VMMDEV_TESTING_IOPORT_CMD:
if (cb == 4)
{
pThis->u32TestingCmd = u32;
pThis->offTestingData = 0;
RT_ZERO(pThis->TestingData);
return VINF_SUCCESS;
}
break;
case VMMDEV_TESTING_IOPORT_DATA:
{
uint32_t uCmd = pThis->u32TestingCmd;
uint32_t off = pThis->offTestingData;
switch (uCmd)
{
case VMMDEV_TESTING_CMD_INIT:
case VMMDEV_TESTING_CMD_SUB_NEW:
case VMMDEV_TESTING_CMD_FAILED:
if ( off < sizeof(pThis->TestingData.String.sz) - 1
&& cb == 1)
{
if (u32)
{
pThis->TestingData.String.sz[off] = u32;
pThis->offTestingData = off + 1;
}
else
{
#ifdef IN_RING3
switch (uCmd)
{
case VMMDEV_TESTING_CMD_INIT:
RTPrintf("testing: INIT '%.*s'\n", sizeof(pThis->TestingData.String.sz) - 1, pThis->TestingData.String.sz);
break;
case VMMDEV_TESTING_CMD_SUB_NEW:
RTPrintf("testing: SUB_NEW '%.*s'\n", sizeof(pThis->TestingData.String.sz) - 1, pThis->TestingData.String.sz);
break;
case VMMDEV_TESTING_CMD_FAILED:
RTPrintf("testing: FAILED '%.*s'\n", sizeof(pThis->TestingData.String.sz) - 1, pThis->TestingData.String.sz);
break;
}
#else
return VINF_IOM_HC_IOPORT_WRITE;
#endif
}
return VINF_SUCCESS;
}
break;
case VMMDEV_TESTING_CMD_TERM:
case VMMDEV_TESTING_CMD_SUB_DONE:
if ( off == 0
&& cb == 4)
{
#ifdef IN_RING3
pThis->TestingData.Error.c = u32;
if (uCmd == VMMDEV_TESTING_CMD_TERM)
RTPrintf("testing: TERM - %u errors\n", u32);
else
RTPrintf("testing: SUB_DONE - %u errors\n", u32);
return VINF_SUCCESS;
#else
return VINF_IOM_HC_IOPORT_WRITE;
#endif
}
break;
case VMMDEV_TESTING_CMD_VALUE:
if (cb == 4)
{
if (off == 0)
pThis->TestingData.Value.u64Value.s.Lo = u32;
else if (off == 4)
pThis->TestingData.Value.u64Value.s.Hi = u32;
else if (off == 8)
pThis->TestingData.Value.u32Unit = u32;
else
break;
pThis->offTestingData = off + 4;
return VINF_SUCCESS;
}
if ( off >= 12
&& cb == 1
&& off < sizeof(pThis->TestingData.Value.szName) - 1 - 12)
{
if (u32)
{
pThis->TestingData.Value.szName[off - 12] = u32;
pThis->offTestingData = off + 1;
}
else
{
#ifdef IN_RING3
RTPrintf("testing: VALUE '%.*s'%*s: %'9llu (%#llx) [%u]\n",
sizeof(pThis->TestingData.Value.szName) - 1, pThis->TestingData.Value.szName,
off - 12 > 48 ? 0 : 48 - (off - 12), "",
pThis->TestingData.Value.u64Value.u, pThis->TestingData.Value.u64Value.u,
pThis->TestingData.Value.u32Unit);
#else
return VINF_IOM_HC_IOPORT_WRITE;
#endif
}
return VINF_SUCCESS;
#ifdef IN_RING3
pThis->TestingData.Error.c = u32;
if (uCmd == VMMDEV_TESTING_CMD_TERM)
RTPrintf("testing: TERM - %u errors\n", u32);
else
RTPrintf("testing: SUB_DONE - %u errors\n", u32);
return VINF_SUCCESS;
#else
return VINF_IOM_HC_IOPORT_WRITE;
#endif
}
break;
default:
break;
}
Log(("VMMDEV_TESTING_IOPORT_CMD: bad access; cmd=%#x off=%#x cb=%#x u32=%#x\n", uCmd, off, cb, u32));
return VINF_SUCCESS;
}
default:
break;
}
return VERR_IOM_IOPORT_UNUSED;
}
/**
* @callback_method_impl{FNIOMIOPORTIN}
*/
PDMBOTHCBDECL(int) vmmdevTestingIoRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb)
{
VMMDevState *pThis = PDMINS_2_DATA(pDevIns, VMMDevState *);
switch (Port)
{
case VMMDEV_TESTING_IOPORT_NOP:
switch (cb)
{
case 4:
case 2:
case 1:
break;
default:
AssertFailed();
return VERR_INTERNAL_ERROR_2;
}
*pu32 = VMMDEV_TESTING_NOP_RET;
return VINF_SUCCESS;
case VMMDEV_TESTING_IOPORT_TS_LOW:
if (cb == 4)
{
uint64_t NowTS = RTTimeNanoTS();
*pu32 = (uint32_t)NowTS;
pThis->u32TestingHighTimestamp = (uint32_t)(NowTS >> 32);
return VINF_SUCCESS;
}
break;
case VMMDEV_TESTING_IOPORT_TS_HIGH:
if (cb == 4)
{
*pu32 = pThis->u32TestingHighTimestamp;
return VINF_SUCCESS;
}
break;
case VMMDEV_TESTING_IOPORT_CMD:
case VMMDEV_TESTING_IOPORT_DATA:
break;
default:
break;
}
return VERR_IOM_IOPORT_UNUSED;
}
#ifdef IN_RING3
/**
* Initializes the testing part of the VMMDev if enabled.
*
* @returns VBox status code.
* @param pDevIns The VMMDev device instance.
*/
int vmmdevTestingInitialize(PPDMDEVINS pDevIns)
{
VMMDevState *pThis = PDMINS_2_DATA(pDevIns, VMMDevState *);
if (!pThis->fTestingEnabled)
return VINF_SUCCESS;
/*
* Register a chunk of MMIO memory that we'll use for various
* tests interfaces.
*/
int rc = PDMDevHlpMMIORegister(pDevIns, VMMDEV_TESTING_MMIO_BASE, VMMDEV_TESTING_MMIO_SIZE, NULL /*pvUser*/,
vmmdevTestingMmioWrite,
vmmdevTestingMmioRead,
NULL /*pfnFill*/,
"VMMDev Testing");
AssertRCReturn(rc, rc);
if (pThis->fRZEnabled)
{
rc = PDMDevHlpMMIORegisterR0(pDevIns, VMMDEV_TESTING_MMIO_BASE, VMMDEV_TESTING_MMIO_SIZE, NIL_RTR0PTR /*pvUser*/,
"vmmdevTestingMmioWrite",
"vmmdevTestingMmioRead",
NULL /*pszFill*/);
AssertRCReturn(rc, rc);
rc = PDMDevHlpMMIORegisterRC(pDevIns, VMMDEV_TESTING_MMIO_BASE, VMMDEV_TESTING_MMIO_SIZE, NIL_RTRCPTR /*pvUser*/,
"vmmdevTestingMmioWrite",
"vmmdevTestingMmioRead",
NULL /*pszFill*/);
AssertRCReturn(rc, rc);
}
/*
* Register the I/O ports used for testing.
*/
rc = PDMDevHlpIOPortRegister(pDevIns, VMMDEV_TESTING_IOPORT_BASE, VMMDEV_TESTING_IOPORT_COUNT, NULL,
vmmdevTestingIoWrite,
vmmdevTestingIoRead,
NULL /*pfnOutStr*/,
NULL /*pfnInStr*/,
"VMMDev Testing");
AssertRCReturn(rc, rc);
if (pThis->fRZEnabled)
{
rc = PDMDevHlpIOPortRegisterR0(pDevIns, VMMDEV_TESTING_IOPORT_BASE, VMMDEV_TESTING_IOPORT_COUNT, NIL_RTR0PTR /*pvUser*/,
"vmmdevTestingIoWrite",
"vmmdevTestingIoRead",
NULL /*pszOutStr*/,
NULL /*pszInStr*/,
"VMMDev Testing");
AssertRCReturn(rc, rc);
rc = PDMDevHlpIOPortRegisterRC(pDevIns, VMMDEV_TESTING_IOPORT_BASE, VMMDEV_TESTING_IOPORT_COUNT, NIL_RTRCPTR /*pvUser*/,
"vmmdevTestingIoWrite",
"vmmdevTestingIoRead",
NULL /*pszOutStr*/,
NULL /*pszInStr*/,
"VMMDev Testing");
AssertRCReturn(rc, rc);
}
return VINF_SUCCESS;
}
#endif /* IN_RING3 */
#endif /* !VBOX_WITHOUT_TESTING_FEATURES */
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