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test: tee: test TEE uclass

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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>
This commit is contained in:
Jens Wiklander 2018-09-25 16:40:19 +02:00 committed by Tom Rini
parent eadf26f183
commit a6ab4245d1
2 changed files with 99 additions and 0 deletions
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1
test/dm/Makefile
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@ -51,4 +51,5 @@ obj-$(CONFIG_AXI) += axi.o
obj-$(CONFIG_MISC) += misc.o
obj-$(CONFIG_DM_SERIAL) += serial.o
obj-$(CONFIG_CPU) += cpu.o
obj-$(CONFIG_TEE) += tee.o
endif

98
test/dm/tee.c Normal file
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@ -0,0 +1,98 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Linaro Limited
*/
#include <common.h>
#include <dm.h>
#include <dm/test.h>
#include <sandboxtee.h>
#include <tee.h>
#include <test/ut.h>
#include <tee/optee_ta_avb.h>
static int open_session(struct udevice *dev, u32 *session)
{
struct tee_open_session_arg arg;
const struct tee_optee_ta_uuid uuid = TA_AVB_UUID;
int rc;
memset(&arg, 0, sizeof(arg));
tee_optee_ta_uuid_to_octets(arg.uuid, &uuid);
rc = tee_open_session(dev, &arg, 0, NULL);
if (rc)
return rc;
if (arg.ret)
return -EIO;
*session = arg.session;
return 0;
}
static int invoke_func(struct udevice *dev, u32 session)
{
struct tee_param param = { .attr = TEE_PARAM_ATTR_TYPE_VALUE_OUTPUT };
struct tee_invoke_arg arg;
memset(&arg, 0, sizeof(arg));
arg.session = session;
arg.func = TA_AVB_CMD_READ_LOCK_STATE;
if (tee_invoke_func(dev, &arg, 1, &param) || arg.ret)
return -1;
return 0;
}
static int match(struct tee_version_data *vers, const void *data)
{
return vers->gen_caps & TEE_GEN_CAP_GP;
}
static int dm_test_tee(struct unit_test_state *uts)
{
struct tee_version_data vers;
struct udevice *dev;
struct sandbox_tee_state *state;
u32 session = 0;
int rc;
u8 data[128];
struct tee_shm *reg_shm;
struct tee_shm *alloc_shm;
dev = tee_find_device(NULL, match, NULL, &vers);
ut_assert(dev);
state = dev_get_priv(dev);
ut_assert(!state->session);
rc = open_session(dev, &session);
ut_assert(!rc);
ut_assert(session == state->session);
rc = invoke_func(dev, session);
ut_assert(!rc);
rc = tee_close_session(dev, session);
ut_assert(!rc);
ut_assert(!state->session);
ut_assert(!state->num_shms);
rc = tee_shm_register(dev, data, sizeof(data), 0, &reg_shm);
ut_assert(!rc);
ut_assert(state->num_shms == 1);
rc = tee_shm_alloc(dev, 256, 0, &alloc_shm);
ut_assert(!rc);
ut_assert(state->num_shms == 2);
ut_assert(tee_shm_is_registered(reg_shm, dev));
ut_assert(tee_shm_is_registered(alloc_shm, dev));
tee_shm_free(reg_shm);
tee_shm_free(alloc_shm);
ut_assert(!state->num_shms);
return 0;
}
DM_TEST(dm_test_tee, DM_TESTF_SCAN_FDT);