Function print_sev

util/amdtool/cpu.c:269–318

}

static int print_sev(void)
{
	int error = -1;
#ifndef __DARWIN__
	int ncpus = get_number_of_cpus();
	int i = 0;
	bool sev_supported, sev_snp_supported;
	unsigned int max_guest, min_asid;

	printf("\n============= Dumping AMD SEV status =============\n");

	if (ncpus < 1) {
		perror("Failed to get number of CPUs");
		error = -1;
	} else {
		/*
		 * The following use CPUID, so should be the same for each core
		 * in the scope of processor.
		 */
		sev_supported = is_sev_supported();
		sev_snp_supported = is_sev_snp_supported();
		if (sev_supported) {
			max_guest = get_sev_max_guest_num();
			min_asid = get_sev_min_asid();
		}

		for (i = 0; i < ncpus ; i++) {
			printf("------------- CPU %d ----------------\n", i);
			printf("SEV supported             : %s\n",
					sev_supported ? "YES" : "NO");
			if (sev_supported) {
				printf("Max SEV encrypted guests  : %u\n",
					max_guest);
				printf("Min SEV ASID              : %u\n",
					min_asid);
			}
			printf("SEV-ES supported          : %s\n",
					is_sev_es_supported() ? "YES" : "NO");
			printf("SEV-SNP supported         : %s\n",
					sev_snp_supported ? "YES" : "NO");
			if (sev_snp_supported)
				printf("SEV-SNP enabled           : %s\n",
					is_sev_snp_enabled(i) ? "YES" : "NO");
		}
		error = 0;
	}
	printf("====================================================");
#endif
	return error;
}

static void get_cpu_brand_string(char *cpu_string)
{