Tests the TEE uclass with a sandbox tee driver. Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> [trini: initialize session to 0 in dm_test_tee] Signed-off-by: Tom Rini <trini@konsulko.com>lime2-spi
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 Linaro Limited |
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*/ |
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#include <common.h> |
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#include <dm.h> |
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#include <dm/test.h> |
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#include <sandboxtee.h> |
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#include <tee.h> |
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#include <test/ut.h> |
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#include <tee/optee_ta_avb.h> |
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static int open_session(struct udevice *dev, u32 *session) |
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{ |
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struct tee_open_session_arg arg; |
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const struct tee_optee_ta_uuid uuid = TA_AVB_UUID; |
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int rc; |
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memset(&arg, 0, sizeof(arg)); |
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tee_optee_ta_uuid_to_octets(arg.uuid, &uuid); |
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rc = tee_open_session(dev, &arg, 0, NULL); |
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if (rc) |
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return rc; |
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if (arg.ret) |
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return -EIO; |
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*session = arg.session; |
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return 0; |
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} |
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static int invoke_func(struct udevice *dev, u32 session) |
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{ |
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struct tee_param param = { .attr = TEE_PARAM_ATTR_TYPE_VALUE_OUTPUT }; |
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struct tee_invoke_arg arg; |
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memset(&arg, 0, sizeof(arg)); |
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arg.session = session; |
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arg.func = TA_AVB_CMD_READ_LOCK_STATE; |
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if (tee_invoke_func(dev, &arg, 1, ¶m) || arg.ret) |
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return -1; |
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return 0; |
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} |
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static int match(struct tee_version_data *vers, const void *data) |
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{ |
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return vers->gen_caps & TEE_GEN_CAP_GP; |
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} |
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static int dm_test_tee(struct unit_test_state *uts) |
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{ |
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struct tee_version_data vers; |
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struct udevice *dev; |
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struct sandbox_tee_state *state; |
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u32 session = 0; |
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int rc; |
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u8 data[128]; |
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struct tee_shm *reg_shm; |
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struct tee_shm *alloc_shm; |
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dev = tee_find_device(NULL, match, NULL, &vers); |
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ut_assert(dev); |
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state = dev_get_priv(dev); |
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ut_assert(!state->session); |
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rc = open_session(dev, &session); |
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ut_assert(!rc); |
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ut_assert(session == state->session); |
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rc = invoke_func(dev, session); |
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ut_assert(!rc); |
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rc = tee_close_session(dev, session); |
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ut_assert(!rc); |
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ut_assert(!state->session); |
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ut_assert(!state->num_shms); |
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rc = tee_shm_register(dev, data, sizeof(data), 0, ®_shm); |
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ut_assert(!rc); |
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ut_assert(state->num_shms == 1); |
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rc = tee_shm_alloc(dev, 256, 0, &alloc_shm); |
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ut_assert(!rc); |
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ut_assert(state->num_shms == 2); |
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ut_assert(tee_shm_is_registered(reg_shm, dev)); |
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ut_assert(tee_shm_is_registered(alloc_shm, dev)); |
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tee_shm_free(reg_shm); |
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tee_shm_free(alloc_shm); |
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ut_assert(!state->num_shms); |
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return 0; |
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} |
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DM_TEST(dm_test_tee, DM_TESTF_SCAN_FDT); |
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