This test is based off vmgenid test from Ben Warren
<b...@skyportsystems.com>. It simply checks the vmcoreinfo ACPI device
is present and that the memory region associated can be read.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
tests/vmcoreinfo-test.c | 141 ++++++++++++++++++++++++++++++++++++++++++++++++
tests/Makefile.include | 2 +
2 files changed, 143 insertions(+)
create mode 100644 tests/vmcoreinfo-test.c
diff --git a/tests/vmcoreinfo-test.c b/tests/vmcoreinfo-test.c
new file mode 100644
index 0000000000..a54f3b5c6a
--- /dev/null
+++ b/tests/vmcoreinfo-test.c
@@ -0,0 +1,141 @@
+/*
+ * QTest testcase for VM coreinfo device
+ *
+ * Copyright (c) 2017 Red Hat, Inc.
+ * Copyright (c) 2017 Skyport Systems
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * 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"
+
+#define RSDP_ADDR_INVALID 0x100000 /* RSDP must be below this address */
+
+typedef struct {
+ AcpiTableHeader header;
+ gchar name_op;
+ gchar vcia[4];
+ gchar val_op;
+ uint32_t vcia_val;
+} QEMU_PACKED VmciTable;
+
+static uint32_t acpi_find_vcia(void)
+{
+ uint32_t rsdp_offset;
+ AcpiRsdpDescriptor rsdp_table;
+ uint32_t rsdt;
+ AcpiRsdtDescriptorRev1 rsdt_table;
+ int tables_nr;
+ uint32_t *tables;
+ AcpiTableHeader ssdt_table;
+ VmciTable vmci_table;
+ int i;
+
+ /* 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);
+
+ rsdt = rsdp_table.rsdt_physical_address;
+ /* read the header */
+ ACPI_READ_TABLE_HEADER(&rsdt_table, rsdt);
+ ACPI_ASSERT_CMP(rsdt_table.signature, "RSDT");
+
+ /* 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);
+
+ for (i = 0; i < tables_nr; i++) {
+ ACPI_READ_TABLE_HEADER(&ssdt_table, tables[i]);
+ if (!strncmp((char *)ssdt_table.oem_table_id, "VMCOREIN", 8)) {
+ /* the first entry in the table should be VCIA
+ * That's all we need
+ */
+ ACPI_READ_FIELD(vmci_table.name_op, tables[i]);
+ g_assert(vmci_table.name_op == 0x08); /* name */
+ ACPI_READ_ARRAY(vmci_table.vcia, tables[i]);
+ g_assert(memcmp(vmci_table.vcia, "VCIA", 4) == 0);
+ ACPI_READ_FIELD(vmci_table.val_op, tables[i]);
+ g_assert(vmci_table.val_op == 0x0C); /* dword */
+ ACPI_READ_FIELD(vmci_table.vcia_val, tables[i]);
+ /* 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
+ */
+ g_free(tables);
+ return vmci_table.vcia_val;
+ }
+ }
+ g_free(tables);
+ return 0;
+}
+
+static char disk[] = "tests/vmci-test-disk-XXXXXX";
+
+static char *cmd_strdup(void)
+{
+ return g_strdup_printf("-machine accel=tcg "
+ "-device vmcoreinfo,id=testvmvci "
+ "-drive id=hd0,if=none,file=%s,format=raw "
+ "-device ide-hd,drive=hd0 ",
+ disk);
+}
+
+static void vmcoreinfo_test(void)
+{
+ gchar *cmd;
+ uint32_t vmci_addr;
+ int i;
+
+ cmd = cmd_strdup();
+ qtest_start(cmd);
+
+ vmci_addr = acpi_find_vcia();
+ g_assert(vmci_addr);
+
+ for (i = 0; i < 4096; i++) {
+ /* check the memory region can be read */
+ readb(vmci_addr + i);
+ }
+
+ qtest_quit(global_qtest);
+ g_free(cmd);
+}
+
+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("/vmcoreinfo/test", vmcoreinfo_test);
+ ret = g_test_run();
+ boot_sector_cleanup(disk);
+
+ return ret;
+}
diff --git a/tests/Makefile.include b/tests/Makefile.include
index cfbb689e0e..dd515f2159 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -251,6 +251,7 @@ gcov-files-i386-y += hw/usb/hcd-xhci.c
check-qtest-i386-y += tests/pc-cpu-test$(EXESUF)
check-qtest-i386-y += tests/q35-test$(EXESUF)
check-qtest-i386-y += tests/vmgenid-test$(EXESUF)
+check-qtest-i386-y += tests/vmcoreinfo-test$(EXESUF)
gcov-files-i386-y += hw/pci-host/q35.c
check-qtest-i386-$(CONFIG_VHOST_NET_TEST_i386) +=
tests/vhost-user-test$(EXESUF)
ifeq ($(CONFIG_VHOST_NET_TEST_i386),)
@@ -762,6 +763,7 @@ tests/test-arm-mptimer$(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$(EXESUF): tests/vmgenid-test.o tests/boot-sector.o
tests/acpi-utils.o
+tests/vmcoreinfo-test$(EXESUF): tests/vmcoreinfo-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)$@")
--
2.13.1.395.gf7b71de06
