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vmgenid-test: use boot-sector infrastructure

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There's no requirement for RSDP to be installed last
by the firmware, so in rare cases vmgen id test hits
a race: RSDP is there but VM GEN ID isn't.

To fix, switch to common boot sector infrastructure.

Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Ben Warren <ben@skyportsystems.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Ben Warren <ben@skyportsystems.com>
Message-id: 1500046217-24597-1-git-send-email-mst@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Michael S. Tsirkin 2017-07-14 18:30:45 +03:00 committed by Peter Maydell
parent 23f87b9973
commit 4871b51b92
2 changed files with 31 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
tests/Makefile.include
View file

@ -761,7 +761,7 @@ tests/test-uuid$(EXESUF): tests/test-uuid.o $(test-util-obj-y)
tests/test-arm-mptimer$(EXESUF): tests/test-arm-mptimer.o
tests/test-qapi-util$(EXESUF): tests/test-qapi-util.o $(test-util-obj-y)
tests/numa-test$(EXESUF): tests/numa-test.o
tests/vmgenid-test$(EXESUF): tests/vmgenid-test.o tests/acpi-utils.o
tests/vmgenid-test$(EXESUF): tests/vmgenid-test.o tests/boot-sector.o tests/acpi-utils.o
tests/migration/stress$(EXESUF): tests/migration/stress.o
$(call quiet-command, $(LINKPROG) -static -O3 $(PTHREAD_LIB) -o $@ $< ,"LINK","$(TARGET_DIR)$@")

46
tests/vmgenid-test.c
View file

@ -15,6 +15,7 @@
#include "qemu/bitmap.h"
#include "qemu/uuid.h"
#include "hw/acpi/acpi-defs.h"
#include "boot-sector.h"
#include "acpi-utils.h"
#include "libqtest.h"
@ -23,8 +24,6 @@
* OVMF SDT Header Probe Supressor
*/
#define RSDP_ADDR_INVALID 0x100000 /* RSDP must be below this address */
#define RSDP_SLEEP_US 100000 /* Sleep for 100ms between tries */
#define RSDP_TRIES_MAX 100 /* Max total time is 10 seconds */
typedef struct {
AcpiTableHeader header;
@ -47,14 +46,12 @@ static uint32_t acpi_find_vgia(void)
VgidTable vgid_table;
int i;
/* Tables may take a short time to be set up by the guest */
for (i = 0; i < RSDP_TRIES_MAX; i++) {
rsdp_offset = acpi_find_rsdp_address();
if (rsdp_offset < RSDP_ADDR_INVALID) {
break;
}
g_usleep(RSDP_SLEEP_US);
}
/* Wait for guest firmware to finish and start the payload. */
boot_sector_test();
/* Tables should be initialized now. */
rsdp_offset = acpi_find_rsdp_address();
g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID);
acpi_parse_rsdp_table(rsdp_offset, &rsdp_table);
@ -131,6 +128,18 @@ static void read_guid_from_monitor(QemuUUID *guid)
QDECREF(rsp);
}
static char disk[] = "tests/vmgenid-test-disk-XXXXXX";
static char *guid_cmd_strdup(const char *guid)
{
return g_strdup_printf("-machine accel=tcg "
"-device vmgenid,id=testvgid,guid=%s "
"-drive id=hd0,if=none,file=%s,format=raw "
"-device ide-hd,drive=hd0 ",
guid, disk);
}
static void vmgenid_set_guid_test(void)
{
QemuUUID expected, measured;
@ -138,8 +147,7 @@ static void vmgenid_set_guid_test(void)
g_assert(qemu_uuid_parse(VGID_GUID, &expected) == 0);
cmd = g_strdup_printf("-machine accel=tcg -device vmgenid,id=testvgid,"
"guid=%s", VGID_GUID);
cmd = guid_cmd_strdup(VGID_GUID);
qtest_start(cmd);
/* Read the GUID from accessing guest memory */
@ -152,10 +160,10 @@ static void vmgenid_set_guid_test(void)
static void vmgenid_set_guid_auto_test(void)
{
const char *cmd;
char *cmd;
QemuUUID measured;
cmd = "-machine accel=tcg -device vmgenid,id=testvgid," "guid=auto";
cmd = guid_cmd_strdup("auto");
qtest_start(cmd);
read_guid_from_memory(&measured);
@ -164,6 +172,7 @@ static void vmgenid_set_guid_auto_test(void)
g_assert(!qemu_uuid_is_null(&measured));
qtest_quit(global_qtest);
g_free(cmd);
}
static void vmgenid_query_monitor_test(void)
@ -173,8 +182,7 @@ static void vmgenid_query_monitor_test(void)
g_assert(qemu_uuid_parse(VGID_GUID, &expected) == 0);
cmd = g_strdup_printf("-machine accel=tcg -device vmgenid,id=testvgid,"
"guid=%s", VGID_GUID);
cmd = guid_cmd_strdup(VGID_GUID);
qtest_start(cmd);
/* Read the GUID via the monitor */
@ -189,6 +197,11 @@ int main(int argc, char **argv)
{
int ret;
ret = boot_sector_init(disk);
if (ret) {
return ret;
}
g_test_init(&argc, &argv, NULL);
qtest_add_func("/vmgenid/vmgenid/set-guid",
@ -198,6 +211,7 @@ int main(int argc, char **argv)
qtest_add_func("/vmgenid/vmgenid/query-monitor",
vmgenid_query_monitor_test);
ret = g_test_run();
boot_sector_cleanup(disk);
return ret;
}