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/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <debug.h>
#include <plat_topology.h>
#include <psci.h>
#include <smc.h>
#include <tftf_lib.h>
/*
* @Test_Aim@ Check the list of PSCI functions for PSCI support
*
* Call PSCI_FEATURES for each PSCI function ID.
* - If a PSCI function is mandatory (as per the PSCI specification) then check
* the validity of the return flags.
* - If a PSCI function is optional (as per the PSCI specification) and
* implemented, check the validity of the feature flags.
*/
test_result_t test_psci_features(void)
{
test_result_t result = TEST_RESULT_SUCCESS;
int32_t ret_flag, cpus_cnt;
const psci_function_t *psci_fn;
for (unsigned int i = 0; i < PSCI_NUM_CALLS; i++) {
psci_fn = &psci_functions[i];
ret_flag = tftf_get_psci_feature_info(psci_fn->id);
if (!psci_fn->mandatory) {
/*
* If the PSCI function is optional then the PSCI
* implementation is allowed to not implement it.
*/
if (ret_flag == PSCI_E_NOT_SUPPORTED)
continue;
INFO("%s non-mandatory function is SUPPORTED\n",
psci_fn->str);
} else {
/* Check mandatory PSCI call is supported */
#if ARM_ARCH_MAJOR == 7
if (psci_fn->id == SMC_PSCI_CPU_SUSPEND_AARCH64 ||
psci_fn->id == SMC_PSCI_CPU_ON_AARCH64 ||
psci_fn->id == SMC_PSCI_AFFINITY_INFO_AARCH64)
continue;
#endif
/* Skip SMP power operation for uniprocessor */
if (psci_fn->id == SMC_PSCI_CPU_ON_AARCH32 ||
psci_fn->id == SMC_PSCI_CPU_ON_AARCH64 ||
psci_fn->id == SMC_PSCI_AFFINITY_INFO_AARCH32 ||
psci_fn->id == SMC_PSCI_AFFINITY_INFO_AARCH64) {
cpus_cnt = tftf_get_total_cpus_count();
if (cpus_cnt < 2) {
continue;
}
}
if (ret_flag == PSCI_E_NOT_SUPPORTED) {
result = TEST_RESULT_FAIL;
tftf_testcase_printf(
"%s mandatory function is NOT SUPPORTED\n",
psci_fn->str);
continue;
}
}
/* Check the feature flags for CPU_SUSPEND PSCI calls */
if ((psci_fn->id == SMC_PSCI_CPU_SUSPEND_AARCH32) ||
(psci_fn->id == SMC_PSCI_CPU_SUSPEND_AARCH64)) {
if ((ret_flag & ~CPU_SUSPEND_FEAT_VALID_MASK) != 0) {
result = TEST_RESULT_FAIL;
tftf_testcase_printf(
"Invalid feature flags for CPU_SUSPEND: 0x%x\n",
ret_flag);
}
} else {
/* Check the feature flags for other PSCI calls */
if (ret_flag != PSCI_FEATURE_FLAGS_ZERO) {
result = TEST_RESULT_FAIL;
tftf_testcase_printf(
"Wrong feature flags for %s\n, "
"expected 0x%08x, got 0x%08x\n",
psci_fn->str,
PSCI_FEATURE_FLAGS_ZERO, ret_flag);
}
}
}
return result;
}
/*
* @Test_Aim@ Check invalid PSCI function ids (Negative Test).
*/
test_result_t test_psci_features_invalid_id(void)
{
/* Invalid function ids for negative testing */
uint32_t invalid_psci_func = 0xc400a011;
uint32_t ret_flag = tftf_get_psci_feature_info(invalid_psci_func);
if (ret_flag == PSCI_E_NOT_SUPPORTED)
return TEST_RESULT_SUCCESS;
tftf_testcase_printf("ERROR: Invalid PSCI function is SUPPORTED\n");
return TEST_RESULT_FAIL;
}
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