This change provides a qtest that locates and then does a simple interrogation of the ERST feature within the guest.
Signed-off-by: Eric DeVolder <eric.devol...@oracle.com> --- tests/qtest/erst-test.c | 106 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/qtest/meson.build | 2 + 2 files changed, 108 insertions(+) create mode 100644 tests/qtest/erst-test.c diff --git a/tests/qtest/erst-test.c b/tests/qtest/erst-test.c new file mode 100644 index 0000000..1030e83 --- /dev/null +++ b/tests/qtest/erst-test.c @@ -0,0 +1,106 @@ +/* + * QTest testcase for ACPI ERST + * + * Copyright (c) 2021 Oracle + * + * 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 "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 "libqos/libqtest.h" +#include "qapi/qmp/qdict.h" + +#define RSDP_ADDR_INVALID 0x100000 /* RSDP must be below this address */ + +static uint64_t acpi_find_erst(QTestState *qts) +{ + uint32_t rsdp_offset; + uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */]; + uint32_t rsdt_len, table_length; + uint8_t *rsdt, *ent; + uint64_t base = 0; + + /* Wait for guest firmware to finish and start the payload. */ + boot_sector_test(qts); + + /* Tables should be initialized now. */ + rsdp_offset = acpi_find_rsdp_address(qts); + + g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID); + + acpi_fetch_rsdp_table(qts, rsdp_offset, rsdp_table); + acpi_fetch_table(qts, &rsdt, &rsdt_len, &rsdp_table[16 /* RsdtAddress */], + 4, "RSDT", true); + + 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 */, "BXPCERST", 8)) { + /* + * Picking up ERST base address from the Register Region + * specified as part of the first Serialization Instruction + * Action (which is a Begin Write Operation). + */ + memcpy(&base, &table_aml[56], 8); + g_free(table_aml); + break; + } + g_free(table_aml); + } + g_free(rsdt); + return base; +} + +static char disk[] = "tests/erst-test-disk-XXXXXX"; + +#define ERST_CMD() \ + "-accel kvm -accel tcg " \ + "-drive id=hd0,if=none,file=%s,format=raw " \ + "-device ide-hd,drive=hd0 ", disk + +static void erst_get_error_log_address_range(void) +{ + QTestState *qts; + uint64_t log_address_range = 0; + + qts = qtest_initf(ERST_CMD()); + + uint64_t base = acpi_find_erst(qts); + g_assert(base != 0); + + /* Issue GET_ERROR_LOG_ADDRESS_RANGE command */ + qtest_writel(qts, base + 0, 0xD); + /* Read GET_ERROR_LOG_ADDRESS_RANGE result */ + log_address_range = qtest_readq(qts, base + 8);\ + + /* Check addr_range is offset of base */ + g_assert((base + 16) == log_address_range); + + 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("/erst/get-error-log-address-range", + erst_get_error_log_address_range); + + ret = g_test_run(); + boot_sector_cleanup(disk); + + return ret; +} diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 6a67c53..8409892 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -46,6 +46,7 @@ qtests_i386 = \ (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-test'] : []) + \ (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-swtpm-test'] : []) + \ (config_all_devices.has_key('CONFIG_RTL8139_PCI') ? ['rtl8139-test'] : []) + \ + (config_all_devices.has_key('CONFIG_ACPI') ? ['erst-test'] : []) + \ qtests_pci + \ ['fdc-test', 'ide-test', @@ -208,6 +209,7 @@ qtests = { 'bios-tables-test': [io, 'boot-sector.c', 'acpi-utils.c', 'tpm-emu.c'], 'cdrom-test': files('boot-sector.c'), 'dbus-vmstate-test': files('migration-helpers.c') + dbus_vmstate1, + 'erst-test': files('erst-test.c', 'boot-sector.c', 'acpi-utils.c'), 'ivshmem-test': [rt, '../../contrib/ivshmem-server/ivshmem-server.c'], 'migration-test': files('migration-helpers.c'), 'pxe-test': files('boot-sector.c'), -- 1.8.3.1