[PATCH v6 11/12] qtest/bios-tables-test: Make test build-independent from accelerator

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Now than we can probe if the TCG accelerator is available
at runtime with a QMP command, do it once at the beginning
and only register the tests we can run.
We can then replace the #ifdef'ry by an assertion.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
v5 had:
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

v6 is simplified and keeps the same logic, however since
it is different, I'm not keeping the R-b tags.
---
 tests/qtest/bios-tables-test.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
index ad877baeb1b..762d154b340 100644
--- a/tests/qtest/bios-tables-test.c
+++ b/tests/qtest/bios-tables-test.c
@@ -97,6 +97,7 @@ typedef struct {
     QTestState *qts;
 } test_data;
 
+static bool tcg_accel_available;
 static char disk[] = "tests/acpi-test-disk-XXXXXX";
 static const char *data_dir = "tests/data/acpi";
 #ifdef CONFIG_IASL
@@ -718,12 +719,7 @@ static void test_acpi_one(const char *params, test_data *data)
     char *args;
     bool use_uefi = data->uefi_fl1 && data->uefi_fl2;
 
-#ifndef CONFIG_TCG
-    if (data->tcg_only) {
-        g_test_skip("TCG disabled, skipping ACPI tcg_only test");
-        return;
-    }
-#endif /* CONFIG_TCG */
+    assert(!data->tcg_only || tcg_accel_available);
 
     args = test_acpi_create_args(data, params, use_uefi);
     data->qts = qtest_init(args);
@@ -1506,6 +1502,8 @@ int main(int argc, char *argv[])
 
     g_test_init(&argc, &argv, NULL);
 
+    tcg_accel_available = qtest_has_accel("tcg");
+
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
         ret = boot_sector_init(disk);
         if (ret) {
@@ -1554,10 +1552,10 @@ int main(int argc, char *argv[])
         qtest_add_func("acpi/microvm/rtc", test_acpi_microvm_rtc);
         qtest_add_func("acpi/microvm/ioapic2", test_acpi_microvm_ioapic2);
         qtest_add_func("acpi/microvm/oem-fields", test_acpi_oem_fields_microvm);
-        if (strcmp(arch, "x86_64") == 0) {
+        if (strcmp(arch, "x86_64") == 0 && tcg_accel_available) {
             qtest_add_func("acpi/microvm/pcie", test_acpi_microvm_pcie_tcg);
         }
-    } else if (strcmp(arch, "aarch64") == 0) {
+    } else if (strcmp(arch, "aarch64") == 0 && tcg_accel_available) {
         qtest_add_func("acpi/virt", test_acpi_virt_tcg);
         qtest_add_func("acpi/virt/numamem", test_acpi_virt_tcg_numamem);
         qtest_add_func("acpi/virt/memhp", test_acpi_virt_tcg_memhp);
-- 
2.26.3