diff --git a/query-machine-capabilities/query-machine-capabilities.c b/query-machine-capabilities/query-machine-capabilities.c index c31ed118..ba4b7f67 100644 --- a/query-machine-capabilities/query-machine-capabilities.c +++ b/query-machine-capabilities/query-machine-capabilities.c @@ -12,8 +12,8 @@ int main() { // https://en.wikipedia.org/wiki/CPUID#EAX=8000001Fh:_Encrypted_Memory_Capabilities uint32_t query_function = 0x8000001F; asm volatile("cpuid" - : "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) - : "0"(query_function) + : "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) + : "0"(query_function) ); bool sev_support = (eax & (1<<1)) != 0; @@ -28,51 +28,51 @@ int main() { struct stat statbuf; int ret = stat(path, &statbuf); if (ret == 0) { - if (!S_ISDIR(statbuf.st_mode)) { - printf("Path %s is not a directory.\n", path); - return 1; - } + if (!S_ISDIR(statbuf.st_mode)) { + printf("Path %s is not a directory.\n", path); + return 1; + } } else if (errno == ENOENT) { - if (mkdir(path, 0755) != 0) { - printf("Error creating directory %s: %s\n", path, strerror(errno)); - return 1; - } + if (mkdir(path, 0755) != 0) { + printf("Error creating directory %s: %s\n", path, strerror(errno)); + return 1; + } } else { - printf("Error checking path %s: %s\n", path, strerror(errno)); - return 1; + printf("Error checking path %s: %s\n", path, strerror(errno)); + return 1; } FILE *file; const char *filename = "/run/qemu-server/host-hw-capabilities.json"; file = fopen(filename, "w"); if (file == NULL) { - perror("Error opening file"); - return 1; + perror("Error opening file"); + return 1; } ret = fprintf(file, - "{" - " \"amd-sev\": {" - " \"cbitpos\": %u," - " \"reduced-phys-bits\": %u," - " \"sev-support\": %s," - " \"sev-support-es\": %s," - " \"sev-support-snp\": %s" - " }" - " }\n", - cbitpos, - reduced_phys_bits, - sev_support ? "true" : "false", - sev_es_support ? "true" : "false", - sev_snp_support ? "true" : "false" + "{" + " \"amd-sev\": {" + " \"cbitpos\": %u," + " \"reduced-phys-bits\": %u," + " \"sev-support\": %s," + " \"sev-support-es\": %s," + " \"sev-support-snp\": %s" + " }" + " }\n", + cbitpos, + reduced_phys_bits, + sev_support ? "true" : "false", + sev_es_support ? "true" : "false", + sev_snp_support ? "true" : "false" ); if (ret < 0) { - printf("Error writing to file %s: %s\n", path, strerror(errno)); + printf("Error writing to file %s: %s\n", path, strerror(errno)); } ret = fclose(file); if (ret != 0) { - printf("Error closing file %s: %s\n", path, strerror(errno)); + printf("Error closing file %s: %s\n", path, strerror(errno)); } return 0;