cachepc

Prime+Probe cache-based side-channel attack on AMD SEV-SNP protected virtual machines
git clone https://git.sinitax.com/sinitax/cachepc
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reset.c (313B)

      1#include "cachepc/uapi.h"
      2
      3#include <sys/ioctl.h>
      4#include <fcntl.h>
      5#include <err.h>
      6#include <unistd.h>
      7
      8int
      9main(int argc, const char **argv)
     10{
     11	int fd, ret;
     12
     13	fd = open("/dev/kvm", O_RDONLY);
     14	if (fd < 0) err(1, "open");
     15
     16	ret = ioctl(fd, KVM_CPC_RESET);
     17	if (ret) warn("ioctl KVM_CPC_RESET");
     18
     19	close(fd);
     20}