VMWare IO Space 0x1015

VMWare's Guest OS: windows

WinIO source code & binary:
https://github.com/vaptu/winio

WinIO.sys is a testing driver.

so you need to enable test driver sign first.
bcdedit /set testsigning on

write a program with following line:
DWORD dwValue;
GetPortVal(0x1015, &dwValue, 1);

and your guest os will suspend.