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Diffstat (limited to 'tests/vb2_auxfw_sync_tests.c')
| -rw-r--r-- | tests/vb2_auxfw_sync_tests.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/tests/vb2_auxfw_sync_tests.c b/tests/vb2_auxfw_sync_tests.c new file mode 100644 index 00000000..1b211b86 --- /dev/null +++ b/tests/vb2_auxfw_sync_tests.c @@ -0,0 +1,195 @@ +/* Copyright 2019 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Tests for auxfw synchronization. + */ + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> + +#include "2common.h" +#include "2misc.h" +#include "2nvstorage.h" +#include "2sysincludes.h" +#include "host_common.h" +#include "load_kernel_fw.h" +#include "secdata_tpm.h" +#include "test_common.h" +#include "vboot_audio.h" +#include "vboot_common.h" +#include "vboot_display.h" +#include "vboot_kernel.h" +#include "vboot_struct.h" + +/* Mock data */ +static uint8_t shared_data[VB_SHARED_DATA_MIN_SIZE]; +static VbSharedDataHeader *shared = (VbSharedDataHeader *)shared_data; + +static struct vb2_context *ctx; +static uint8_t workbuf[VB2_KERNEL_WORKBUF_RECOMMENDED_SIZE] + __attribute__((aligned(VB2_WORKBUF_ALIGN))); +static struct vb2_shared_data *sd; +static struct vb2_gbb_header gbb; + +static uint32_t screens_displayed[8]; +static uint32_t screens_count = 0; + +static vb2_error_t auxfw_retval; +static int auxfw_update_req; +static enum vb2_auxfw_update_severity auxfw_mock_severity; +static enum vb2_auxfw_update_severity auxfw_update_severity; +static int auxfw_protected; +static vb2_error_t auxfw_done_retval; + +/* Reset mock data (for use before each test) */ +static void ResetMocks(void) +{ + TEST_SUCC(vb2api_init(workbuf, sizeof(workbuf), &ctx), + "vb2api_init failed"); + + ctx->flags = VB2_CONTEXT_EC_SYNC_SUPPORTED; + vb2_nv_init(ctx); + + sd = vb2_get_sd(ctx); + sd->vbsd = shared; + sd->flags |= VB2_SD_FLAG_DISPLAY_AVAILABLE; + + memset(&gbb, 0, sizeof(gbb)); + + memset(&shared_data, 0, sizeof(shared_data)); + VbSharedDataInit(shared, sizeof(shared_data)); + + memset(screens_displayed, 0, sizeof(screens_displayed)); + screens_count = 0; + + auxfw_retval = VB2_SUCCESS; + auxfw_mock_severity = VB_AUX_FW_NO_UPDATE; + auxfw_update_severity = VB_AUX_FW_NO_UPDATE; + auxfw_update_req = 0; + auxfw_protected = 0; + auxfw_done_retval = VB2_SUCCESS; +} + +/* Mock functions */ +struct vb2_gbb_header *vb2_get_gbb(struct vb2_context *c) +{ + return &gbb; +} + +vb2_error_t VbDisplayScreen(struct vb2_context *c, uint32_t screen, int force, + const VbScreenData *data) +{ + if (screens_count < ARRAY_SIZE(screens_displayed)) + screens_displayed[screens_count++] = screen; + + return VB2_SUCCESS; +} + +vb2_error_t vb2ex_auxfw_check(enum vb2_auxfw_update_severity *severity) +{ + *severity = auxfw_mock_severity; + auxfw_update_severity = auxfw_mock_severity; + return VB2_SUCCESS; +} + +vb2_error_t vb2ex_auxfw_update(void) +{ + if (auxfw_update_severity != VB_AUX_FW_NO_DEVICE && + auxfw_update_severity != VB_AUX_FW_NO_UPDATE) + auxfw_update_req = 1; + return auxfw_retval; +} + +vb2_error_t vb2ex_auxfw_finalize(struct vb2_context *c) +{ + auxfw_protected = auxfw_update_severity != VB_AUX_FW_NO_DEVICE; + return auxfw_done_retval; +} + +static void test_auxsync(vb2_error_t retval, int recovery_reason, + const char *desc) +{ + TEST_EQ(vb2api_auxfw_sync(ctx), retval, desc); + TEST_EQ(vb2_nv_get(ctx, VB2_NV_RECOVERY_REQUEST), + recovery_reason, " recovery reason"); +} + +/* Tests */ + +static void VbSoftwareSyncTest(void) +{ + ResetMocks(); + gbb.flags |= VB2_GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC; + auxfw_mock_severity = VB_AUX_FW_FAST_UPDATE; + test_auxsync(VB2_SUCCESS, 0, + "VB2_GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC" + " disables auxiliary FW update request"); + TEST_EQ(auxfw_update_req, 0, " aux fw update disabled"); + TEST_EQ(auxfw_protected, 1, " aux fw protected"); + + ResetMocks(); + gbb.flags |= VB2_GBB_FLAG_DISABLE_AUXFW_SOFTWARE_SYNC; + auxfw_mock_severity = VB_AUX_FW_FAST_UPDATE; + test_auxsync(VB2_SUCCESS, 0, + "VB2_GBB_FLAG_DISABLE_AUXFW_SOFTWARE_SYNC" + " disables auxiliary FW update request"); + TEST_EQ(auxfw_update_req, 0, " aux fw update disabled"); + TEST_EQ(auxfw_protected, 1, " aux fw protected"); + + ResetMocks(); + auxfw_mock_severity = VB_AUX_FW_NO_DEVICE; + test_auxsync(VB2_SUCCESS, 0, + "No auxiliary FW update needed"); + TEST_EQ(screens_count, 0, + " wait screen skipped"); + TEST_EQ(auxfw_update_req, 0, " no aux fw update requested"); + TEST_EQ(auxfw_protected, 0, " no aux fw protected"); + + ResetMocks(); + auxfw_mock_severity = VB_AUX_FW_NO_UPDATE; + test_auxsync(VB2_SUCCESS, 0, + "No auxiliary FW update needed"); + TEST_EQ(screens_count, 0, + " wait screen skipped"); + TEST_EQ(auxfw_update_req, 0, " no aux fw update requested"); + TEST_EQ(auxfw_protected, 1, " aux fw protected"); + + ResetMocks(); + auxfw_mock_severity = VB_AUX_FW_FAST_UPDATE; + test_auxsync(VBERROR_EC_REBOOT_TO_RO_REQUIRED, 0, + "Fast auxiliary FW update needed"); + TEST_EQ(screens_count, 0, + " wait screen skipped"); + TEST_EQ(auxfw_update_req, 1, " aux fw update requested"); + TEST_EQ(auxfw_protected, 0, " aux fw protected"); + + ResetMocks(); + auxfw_mock_severity = VB_AUX_FW_SLOW_UPDATE; + sd->flags &= ~VB2_SD_FLAG_DISPLAY_AVAILABLE; + test_auxsync(VBERROR_REBOOT_REQUIRED, 0, + "Slow auxiliary FW update needed - reboot for display"); + + ResetMocks(); + auxfw_mock_severity = VB_AUX_FW_SLOW_UPDATE; + test_auxsync(VBERROR_EC_REBOOT_TO_RO_REQUIRED, 0, + "Slow auxiliary FW update needed"); + TEST_EQ(auxfw_update_req, 1, " aux fw update requested"); + TEST_EQ(auxfw_protected, 0, " aux fw protected"); + TEST_EQ(screens_displayed[0], VB_SCREEN_WAIT, + " wait screen forced"); + + ResetMocks(); + auxfw_mock_severity = VB_AUX_FW_FAST_UPDATE; + auxfw_retval = VB2_ERROR_UNKNOWN; + test_auxsync(VB2_ERROR_UNKNOWN, VB2_RECOVERY_AUX_FW_UPDATE, + "Error updating AUX firmware"); +} + +int main(void) +{ + VbSoftwareSyncTest(); + + return gTestSuccess ? 0 : 255; +} |