libvirt/tests/qemufirmwaretest.c

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#include <config.h>
#include <inttypes.h>
#include "testutils.h"
#include "virfilewrapper.h"
#include "qemu/qemu_firmware.h"
#include "configmake.h"
#define VIR_FROM_THIS VIR_FROM_QEMU
/* A very basic test. Parse given JSON firmware description into
* an internal structure, format it back and compare with the
* contents of the file (minus some keys that are not parsed).
*/
static int
testParseFormatFW(const void *opaque)
{
const char *filename = opaque;
g_autofree char *path = NULL;
g_autoptr(qemuFirmware) fw = NULL;
g_autofree char *buf = NULL;
g_autoptr(virJSONValue) json = NULL;
g_autofree char *expected = NULL;
g_autofree char *actual = NULL;
if (virAsprintf(&path, "%s/qemufirmwaredata/%s",
abs_srcdir, filename) < 0)
return -1;
if (!(fw = qemuFirmwareParse(path)))
return -1;
if (virFileReadAll(path,
1024 * 1024, /* 1MiB */
&buf) < 0)
return -1;
if (!(json = virJSONValueFromString(buf)))
return -1;
/* Description and tags are not parsed. */
if (virJSONValueObjectRemoveKey(json, "description", NULL) < 0 ||
virJSONValueObjectRemoveKey(json, "tags", NULL) < 0)
return -1;
if (!(expected = virJSONValueToString(json, true)))
return -1;
if (!(actual = qemuFirmwareFormat(fw)))
return -1;
return virTestCompareToString(expected, actual);
}
static int
testFWPrecedence(const void *opaque G_GNUC_UNUSED)
{
g_autofree char *fakehome = NULL;
VIR_AUTOSTRINGLIST fwList = NULL;
size_t nfwList;
size_t i;
const char *expected[] = {
PREFIX "/share/qemu/firmware/40-bios.json",
SYSCONFDIR "/qemu/firmware/40-ovmf-sb-keys.json",
PREFIX "/share/qemu/firmware/50-ovmf-sb-keys.json",
PREFIX "/share/qemu/firmware/61-ovmf.json",
PREFIX "/share/qemu/firmware/70-aavmf.json",
};
const size_t nexpected = G_N_ELEMENTS(expected);
if (VIR_STRDUP(fakehome, abs_srcdir "/qemufirmwaredata/home/user/.config") < 0)
return -1;
setenv("XDG_CONFIG_HOME", fakehome, 1);
if (qemuFirmwareFetchConfigs(&fwList, false) < 0)
return -1;
if (!fwList) {
fprintf(stderr, "Expected a non-NULL result, but got a NULL result\n");
return -1;
}
nfwList = virStringListLength((const char **)fwList);
for (i = 0; i < MAX(nfwList, nexpected); i++) {
const char *e = i < nexpected ? expected[i] : NULL;
const char *f = i < nfwList ? fwList[i] : NULL;
if (STRNEQ_NULLABLE(e, f)) {
fprintf(stderr,
"Unexpected path (i=%zu). Expected %s got %s \n",
i, NULLSTR(e), NULLSTR(f));
return -1;
}
}
return 0;
}
struct supportedData {
const char *machine;
virArch arch;
bool secure;
const char *fwlist;
unsigned int *interfaces;
size_t ninterfaces;
};
static int
testSupportedFW(const void *opaque)
{
const struct supportedData *data = opaque;
uint64_t actualInterfaces;
uint64_t expectedInterfaces = 0;
bool actualSecure;
virFirmwarePtr *expFWs = NULL;
size_t nexpFWs = 0;
virFirmwarePtr *actFWs = NULL;
size_t nactFWs = 0;
size_t i;
int ret = -1;
for (i = 0; i < data->ninterfaces; i++)
expectedInterfaces |= 1ULL << data->interfaces[i];
if (virFirmwareParseList(data->fwlist, &expFWs, &nexpFWs) < 0) {
fprintf(stderr, "Unable to parse list of expected FW paths\n");
return -1;
}
/* virFirmwareParseList() expects to see pairs of paths: ${FW}:${NVRAM}.
* Well, some images don't have a NVRAM store. In that case NULL was passed:
* ${FW}:NULL. Now iterate over expected firmwares and fix this. */
for (i = 0; i < nexpFWs; i++) {
virFirmwarePtr tmp = expFWs[i];
if (STREQ(tmp->nvram, "NULL"))
VIR_FREE(tmp->nvram);
}
if (qemuFirmwareGetSupported(data->machine, data->arch, false,
&actualInterfaces, &actualSecure, &actFWs, &nactFWs) < 0) {
fprintf(stderr, "Unable to get list of supported interfaces\n");
goto cleanup;
}
if (actualInterfaces != expectedInterfaces) {
fprintf(stderr,
"Mismatch in supported interfaces. "
"Expected 0x%" PRIx64 " got 0x%" PRIx64 "\n",
expectedInterfaces, actualInterfaces);
goto cleanup;
}
if (actualSecure != data->secure) {
fprintf(stderr,
"Mismatch in SMM requirement/support. "
"Expected %d got %d\n",
data->secure, actualSecure);
goto cleanup;
}
for (i = 0; i < nactFWs; i++) {
virFirmwarePtr actFW = actFWs[i];
virFirmwarePtr expFW = NULL;
if (i >= nexpFWs) {
fprintf(stderr, "Unexpected FW image: %s NVRAM: %s\n",
actFW->name, NULLSTR(actFW->nvram));
goto cleanup;
}
expFW = expFWs[i];
if (STRNEQ(actFW->name, expFW->name) ||
STRNEQ_NULLABLE(actFW->nvram, expFW->nvram)) {
fprintf(stderr, "Unexpected FW image: %s NVRAM: %s\n"
"Expected: %s NVRAM: %s\n",
actFW->name, NULLSTR(actFW->nvram),
expFW->name, NULLSTR(expFW->nvram));
goto cleanup;
}
}
if (i < nexpFWs) {
fprintf(stderr, "Expected FW image: %s NVRAM: %s got nothing\n",
expFWs[i]->name, NULLSTR(expFWs[i]->nvram));
goto cleanup;
}
ret = 0;
cleanup:
virFirmwareFreeList(actFWs, nactFWs);
virFirmwareFreeList(expFWs, nexpFWs);
return ret;
}
static int
mymain(void)
{
int ret = 0;
virFileWrapperAddPrefix(SYSCONFDIR "/qemu/firmware",
abs_srcdir "/qemufirmwaredata/etc/qemu/firmware");
virFileWrapperAddPrefix(PREFIX "/share/qemu/firmware",
abs_srcdir "/qemufirmwaredata/usr/share/qemu/firmware");
virFileWrapperAddPrefix("/home/user/.config/qemu/firmware",
abs_srcdir "/qemufirmwaredata/home/user/.config/qemu/firmware");
#define DO_PARSE_TEST(filename) \
do { \
if (virTestRun("QEMU FW " filename, \
testParseFormatFW, filename) < 0) \
ret = -1; \
} while (0)
DO_PARSE_TEST("usr/share/qemu/firmware/40-bios.json");
DO_PARSE_TEST("usr/share/qemu/firmware/50-ovmf-sb-keys.json");
DO_PARSE_TEST("usr/share/qemu/firmware/60-ovmf-sb.json");
DO_PARSE_TEST("usr/share/qemu/firmware/61-ovmf.json");
DO_PARSE_TEST("usr/share/qemu/firmware/70-aavmf.json");
if (virTestRun("QEMU FW precedence test", testFWPrecedence, NULL) < 0)
ret = -1;
/* The @fwlist contains pairs of ${FW}:${NVRAM}. If there's
* no NVRAM expected pass literal "NULL" and test fixes that
* later. */
#define DO_SUPPORTED_TEST(machine, arch, secure, fwlist, ...) \
do { \
unsigned int interfaces[] = {__VA_ARGS__}; \
struct supportedData data = {machine, arch, secure, fwlist, \
interfaces, G_N_ELEMENTS(interfaces)}; \
if (virTestRun("QEMU FW SUPPORTED " machine " " #arch, \
testSupportedFW, &data) < 0) \
ret = -1; \
} while (0)
DO_SUPPORTED_TEST("pc-i440fx-3.1", VIR_ARCH_X86_64, false,
"/usr/share/seabios/bios-256k.bin:NULL:"
"/usr/share/OVMF/OVMF_CODE.fd:/usr/share/OVMF/OVMF_VARS.fd",
VIR_DOMAIN_OS_DEF_FIRMWARE_BIOS,
VIR_DOMAIN_OS_DEF_FIRMWARE_EFI);
DO_SUPPORTED_TEST("pc-i440fx-3.1", VIR_ARCH_I686, false,
"/usr/share/seabios/bios-256k.bin:NULL",
VIR_DOMAIN_OS_DEF_FIRMWARE_BIOS);
DO_SUPPORTED_TEST("pc-q35-3.1", VIR_ARCH_X86_64, true,
"/usr/share/seabios/bios-256k.bin:NULL:"
"/usr/share/OVMF/OVMF_CODE.secboot.fd:/usr/share/OVMF/OVMF_VARS.secboot.fd:"
"/usr/share/OVMF/OVMF_CODE.fd:/usr/share/OVMF/OVMF_VARS.fd",
VIR_DOMAIN_OS_DEF_FIRMWARE_BIOS,
VIR_DOMAIN_OS_DEF_FIRMWARE_EFI);
DO_SUPPORTED_TEST("pc-q35-3.1", VIR_ARCH_I686, false,
"/usr/share/seabios/bios-256k.bin:NULL",
VIR_DOMAIN_OS_DEF_FIRMWARE_BIOS);
DO_SUPPORTED_TEST("virt-3.1", VIR_ARCH_AARCH64, false,
"/usr/share/AAVMF/AAVMF_CODE.fd:/usr/share/AAVMF/AAVMF_VARS.fd",
VIR_DOMAIN_OS_DEF_FIRMWARE_EFI);
virFileWrapperClearPrefixes();
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)