* See the COPYING file in the top-level directory.
*/
-#include <glib.h>
-#include <string.h>
-#include <unistd.h>
#include "qemu/osdep.h"
#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"
+#include "qapi/qmp/qdict.h"
#define VGID_GUID "324e6eaf-d1d1-4bf6-bf41-b9bb6c91fb87"
#define VMGENID_GUID_OFFSET 40 /* allow space for
* 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;
- gchar name_op;
- gchar vgia[4];
- gchar val_op;
- uint32_t vgia_val;
-} QEMU_PACKED VgidTable;
-
-static uint32_t acpi_find_vgia(void)
+
+static uint32_t acpi_find_vgia(QTestState *qts)
{
uint32_t rsdp_offset;
uint32_t guid_offset = 0;
- AcpiRsdpDescriptor rsdp_table;
- uint32_t rsdt;
- AcpiRsdtDescriptorRev1 rsdt_table;
- int tables_nr;
- uint32_t *tables;
- AcpiTableHeader ssdt_table;
- VgidTable vgid_table;
- int i;
+ uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */];
+ uint32_t rsdt_len, table_length;
+ uint8_t *rsdt, *ent;
- /* 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);
- }
- g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID);
+ /* Wait for guest firmware to finish and start the payload. */
+ boot_sector_test(qts);
- acpi_parse_rsdp_table(rsdp_offset, &rsdp_table);
+ /* Tables should be initialized now. */
+ rsdp_offset = acpi_find_rsdp_address(qts);
- rsdt = rsdp_table.rsdt_physical_address;
- /* read the header */
- ACPI_READ_TABLE_HEADER(&rsdt_table, rsdt);
- ACPI_ASSERT_CMP(rsdt_table.signature, "RSDT");
+ g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID);
- /* compute the table entries in rsdt */
- tables_nr = (rsdt_table.length - sizeof(AcpiRsdtDescriptorRev1)) /
- sizeof(uint32_t);
- g_assert_cmpint(tables_nr, >, 0);
- /* get the addresses of the tables pointed by rsdt */
- tables = g_new0(uint32_t, tables_nr);
- ACPI_READ_ARRAY_PTR(tables, tables_nr, rsdt);
+ acpi_fetch_rsdp_table(qts, rsdp_offset, rsdp_table);
+ acpi_fetch_table(qts, &rsdt, &rsdt_len, &rsdp_table[16 /* RsdtAddress */],
+ 4, "RSDT", true);
- for (i = 0; i < tables_nr; i++) {
- ACPI_READ_TABLE_HEADER(&ssdt_table, tables[i]);
- if (!strncmp((char *)ssdt_table.oem_table_id, "VMGENID", 7)) {
+ ACPI_FOREACH_RSDT_ENTRY(rsdt, rsdt_len, ent, 4 /* Entry size */) {
+ uint8_t *table_aml;
+
+ acpi_fetch_table(qts, &table_aml, &table_length, ent, 4, NULL, true);
+ if (!memcmp(table_aml + 16 /* OEM Table ID */, "VMGENID", 7)) {
+ uint32_t vgia_val;
+ uint8_t *aml = &table_aml[36 /* AML byte-code start */];
/* the first entry in the table should be VGIA
* That's all we need
*/
- ACPI_READ_FIELD(vgid_table.name_op, tables[i]);
- g_assert(vgid_table.name_op == 0x08); /* name */
- ACPI_READ_ARRAY(vgid_table.vgia, tables[i]);
- g_assert(memcmp(vgid_table.vgia, "VGIA", 4) == 0);
- ACPI_READ_FIELD(vgid_table.val_op, tables[i]);
- g_assert(vgid_table.val_op == 0x0C); /* dword */
- ACPI_READ_FIELD(vgid_table.vgia_val, tables[i]);
+ g_assert(aml[0 /* name_op*/] == 0x08);
+ g_assert(memcmp(&aml[1 /* name */], "VGIA", 4) == 0);
+ g_assert(aml[5 /* value op */] == 0x0C /* dword */);
+ memcpy(&vgia_val, &aml[6 /* value */], 4);
+
/* The GUID is written at a fixed offset into the fw_cfg file
* in order to implement the "OVMF SDT Header probe suppressor"
* see docs/specs/vmgenid.txt for more details
*/
- guid_offset = vgid_table.vgia_val + VMGENID_GUID_OFFSET;
+ guid_offset = le32_to_cpu(vgia_val) + VMGENID_GUID_OFFSET;
+ g_free(table_aml);
break;
}
+ g_free(table_aml);
}
- g_free(tables);
+ g_free(rsdt);
return guid_offset;
}
-static void read_guid_from_memory(QemuUUID *guid)
+static void read_guid_from_memory(QTestState *qts, QemuUUID *guid)
{
uint32_t vmgenid_addr;
int i;
- vmgenid_addr = acpi_find_vgia();
+ vmgenid_addr = acpi_find_vgia(qts);
g_assert(vmgenid_addr);
/* Read the GUID directly from guest memory */
for (i = 0; i < 16; i++) {
- guid->data[i] = readb(vmgenid_addr + i);
+ guid->data[i] = qtest_readb(qts, vmgenid_addr + i);
}
/* The GUID is in little-endian format in the guest, while QEMU
* uses big-endian. Swap after reading.
*/
- qemu_uuid_bswap(guid);
+ *guid = qemu_uuid_bswap(*guid);
}
-static void read_guid_from_monitor(QemuUUID *guid)
+static void read_guid_from_monitor(QTestState *qts, QemuUUID *guid)
{
QDict *rsp, *rsp_ret;
const char *guid_str;
- rsp = qmp("{ 'execute': 'query-vm-generation-id' }");
+ rsp = qtest_qmp(qts, "{ 'execute': 'query-vm-generation-id' }");
if (qdict_haskey(rsp, "return")) {
rsp_ret = qdict_get_qdict(rsp, "return");
g_assert(qdict_haskey(rsp_ret, "guid"));
guid_str = qdict_get_str(rsp_ret, "guid");
g_assert(qemu_uuid_parse(guid_str, guid) == 0);
}
- QDECREF(rsp);
+ qobject_unref(rsp);
}
+static char disk[] = "tests/vmgenid-test-disk-XXXXXX";
+
+#define GUID_CMD(guid) \
+ "-accel kvm -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;
- gchar *cmd;
+ QTestState *qts;
g_assert(qemu_uuid_parse(VGID_GUID, &expected) == 0);
- cmd = g_strdup_printf("-machine accel=tcg -device vmgenid,id=testvgid,"
- "guid=%s", VGID_GUID);
- qtest_start(cmd);
+ qts = qtest_initf(GUID_CMD(VGID_GUID));
/* Read the GUID from accessing guest memory */
- read_guid_from_memory(&measured);
+ read_guid_from_memory(qts, &measured);
g_assert(memcmp(measured.data, expected.data, sizeof(measured.data)) == 0);
- qtest_quit(global_qtest);
- g_free(cmd);
+ qtest_quit(qts);
}
static void vmgenid_set_guid_auto_test(void)
{
- const char *cmd;
QemuUUID measured;
+ QTestState *qts;
- cmd = "-machine accel=tcg -device vmgenid,id=testvgid," "guid=auto";
- qtest_start(cmd);
+ qts = qtest_initf(GUID_CMD("auto"));
- read_guid_from_memory(&measured);
+ read_guid_from_memory(qts, &measured);
/* Just check that the GUID is non-null */
g_assert(!qemu_uuid_is_null(&measured));
- qtest_quit(global_qtest);
+ qtest_quit(qts);
}
static void vmgenid_query_monitor_test(void)
{
QemuUUID expected, measured;
- gchar *cmd;
+ QTestState *qts;
g_assert(qemu_uuid_parse(VGID_GUID, &expected) == 0);
- cmd = g_strdup_printf("-machine accel=tcg -device vmgenid,id=testvgid,"
- "guid=%s", VGID_GUID);
- qtest_start(cmd);
+ qts = qtest_initf(GUID_CMD(VGID_GUID));
/* Read the GUID via the monitor */
- read_guid_from_monitor(&measured);
+ read_guid_from_monitor(qts, &measured);
g_assert(memcmp(measured.data, expected.data, sizeof(measured.data)) == 0);
- qtest_quit(global_qtest);
- g_free(cmd);
+ qtest_quit(qts);
}
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",
qtest_add_func("/vmgenid/vmgenid/query-monitor",
vmgenid_query_monitor_test);
ret = g_test_run();
+ boot_sector_cleanup(disk);
return ret;
}
projects / mirror_qemu.git / blobdiff