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/*
* Copyright (c) 2018-2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "ffa_helpers.h"
#include <assert.h>
#include <debug.h>
#include <errno.h>
#include <sp_def.h>
#include <ffa_endpoints.h>
#include <sp_helpers.h>
#include <spm_helpers.h>
#include <spm_common.h>
#include <lib/libc/string.h>
/* FFA version test helpers */
#define FFA_MAJOR 1U
#define FFA_MINOR 1U
static uint32_t spm_version;
static const struct ffa_uuid sp_uuids[] = {
{PRIMARY_UUID}, {SECONDARY_UUID}, {TERTIARY_UUID}, {IVY_UUID}, {EL3_SPMD_LP_UUID}
};
static const struct ffa_partition_info ffa_expected_partition_info[] = {
/* Primary partition info */
{
.id = SP_ID(1),
.exec_context = PRIMARY_EXEC_CTX_COUNT,
.properties = (FFA_PARTITION_AARCH64_EXEC |
FFA_PARTITION_DIRECT_REQ_RECV |
FFA_PARTITION_DIRECT_REQ_SEND |
FFA_PARTITION_NOTIFICATION),
.uuid = {PRIMARY_UUID}
},
/* Secondary partition info */
{
.id = SP_ID(2),
.exec_context = SECONDARY_EXEC_CTX_COUNT,
.properties = (FFA_PARTITION_AARCH64_EXEC |
FFA_PARTITION_DIRECT_REQ_RECV |
FFA_PARTITION_DIRECT_REQ_SEND |
FFA_PARTITION_NOTIFICATION),
.uuid = {SECONDARY_UUID}
},
/* Tertiary partition info */
{
.id = SP_ID(3),
.exec_context = TERTIARY_EXEC_CTX_COUNT,
.properties = (FFA_PARTITION_AARCH64_EXEC |
FFA_PARTITION_DIRECT_REQ_RECV |
FFA_PARTITION_DIRECT_REQ_SEND |
FFA_PARTITION_NOTIFICATION),
.uuid = {TERTIARY_UUID}
},
/* Ivy partition info */
{
.id = SP_ID(4),
.exec_context = IVY_EXEC_CTX_COUNT,
.properties = (FFA_PARTITION_AARCH64_EXEC |
FFA_PARTITION_DIRECT_REQ_RECV |
FFA_PARTITION_DIRECT_REQ_SEND),
.uuid = {IVY_UUID}
},
/* EL3 SPMD logical partition */
{
.id = SP_ID(0x7FC0),
.exec_context = EL3_SPMD_LP_EXEC_CTX_COUNT,
.properties = (FFA_PARTITION_AARCH64_EXEC |
FFA_PARTITION_DIRECT_REQ_SEND),
.uuid = {EL3_SPMD_LP_UUID}
},
};
/*
* Test FFA_FEATURES interface.
*/
static void ffa_features_test(void)
{
struct ffa_value ffa_ret;
unsigned int expected_ret;
const struct ffa_features_test *ffa_feature_test_target;
unsigned int i, test_target_size =
get_ffa_feature_test_target(&ffa_feature_test_target);
struct ffa_features_test test_target;
INFO("Test FFA_FEATURES.\n");
for (i = 0U; i < test_target_size; i++) {
test_target = ffa_feature_test_target[i];
ffa_ret = ffa_features_with_input_property(test_target.feature,
test_target.param);
expected_ret = FFA_VERSION_COMPILED
>= test_target.version_added ?
test_target.expected_ret : FFA_ERROR;
if (ffa_func_id(ffa_ret) != expected_ret) {
ERROR("Unexpected return: %x (expected %x)."
" FFA_FEATURES test: %s.\n",
ffa_func_id(ffa_ret), expected_ret,
test_target.test_name);
}
if (expected_ret == FFA_ERROR) {
if (ffa_error_code(ffa_ret) !=
FFA_ERROR_NOT_SUPPORTED) {
ERROR("Unexpected error code: %x (expected %x)."
" FFA_FEATURES test: %s.\n",
ffa_error_code(ffa_ret), expected_ret,
test_target.test_name);
}
}
}
}
static void ffa_partition_info_wrong_test(void)
{
const struct ffa_uuid uuid = { .uuid = {1} };
struct ffa_value ret = ffa_partition_info_get(uuid);
VERBOSE("%s: test request wrong UUID.\n", __func__);
expect(ffa_func_id(ret), FFA_ERROR);
expect(ffa_error_code(ret), FFA_ERROR_INVALID_PARAMETER);
}
static void ffa_partition_info_get_regs_test(void)
{
struct ffa_value ret = { 0 };
VERBOSE("FF-A Partition Info regs interface tests\n");
ret = ffa_version(MAKE_FFA_VERSION(1, 1));
uint32_t version = ret.fid;
if (version == FFA_ERROR_NOT_SUPPORTED) {
ERROR("FFA_VERSION 1.1 not supported, skipping"
" FFA_PARTITION_INFO_GET_REGS test.\n");
return;
}
ret = ffa_features(FFA_PARTITION_INFO_GET_REGS_SMC64);
if (ffa_func_id(ret) != FFA_SUCCESS_SMC32) {
ERROR("FFA_PARTITION_INFO_GET_REGS not supported skipping tests.\n");
return;
}
expect(ffa_partition_info_regs_helper(sp_uuids[3],
&ffa_expected_partition_info[3], 1), true);
expect(ffa_partition_info_regs_helper(sp_uuids[2],
&ffa_expected_partition_info[2], 1), true);
expect(ffa_partition_info_regs_helper(sp_uuids[1],
&ffa_expected_partition_info[1], 1), true);
expect(ffa_partition_info_regs_helper(sp_uuids[0],
&ffa_expected_partition_info[0], 1), true);
/*
* Check partition information if there is support for SPMD EL3
* partitions. calling partition_info_get_regs with the SPMD EL3
* UUID successfully, indicates the presence of it (there is no
* spec defined way to discover presence of el3 spmd logical
* partitions). If the call fails with a not supported error,
* we assume they dont exist and skip further tests to avoid
* failures on platforms without el3 spmd logical partitions.
*/
ret = ffa_partition_info_get_regs(sp_uuids[4], 0, 0);
if ((ffa_func_id(ret) == FFA_ERROR) &&
((ffa_error_code(ret) == FFA_ERROR_NOT_SUPPORTED) ||
(ffa_error_code(ret) == FFA_ERROR_INVALID_PARAMETER))) {
INFO("Skipping register based EL3 SPMD Logical partition"
" discovery\n");
expect(ffa_partition_info_regs_helper(NULL_UUID,
ffa_expected_partition_info,
(ARRAY_SIZE(ffa_expected_partition_info) - 1)), true);
} else {
expect(ffa_partition_info_regs_helper(sp_uuids[4],
&ffa_expected_partition_info[4], 1), true);
expect(ffa_partition_info_regs_helper(NULL_UUID,
ffa_expected_partition_info,
ARRAY_SIZE(ffa_expected_partition_info)), true);
}
}
static void ffa_partition_info_get_test(struct mailbox_buffers *mb)
{
INFO("Test FFA_PARTITION_INFO_GET.\n");
expect(ffa_partition_info_helper(mb, sp_uuids[2],
&ffa_expected_partition_info[2], 1), true);
expect(ffa_partition_info_helper(mb, sp_uuids[1],
&ffa_expected_partition_info[1], 1), true);
expect(ffa_partition_info_helper(mb, sp_uuids[0],
&ffa_expected_partition_info[0], 1), true);
/*
* TODO: ffa_partition_info_get_regs returns EL3 SPMD LP information
* but partition_info_get does not. Ignore the last entry, that is
* assumed to be the EL3 SPMD LP information. ffa_partition_info_get
* uses the rx/tx buffer and the SPMD does not support the use of
* rx/tx buffer to return SPMD logical partition information.
*/
expect(ffa_partition_info_helper(mb, NULL_UUID,
ffa_expected_partition_info,
(ARRAY_SIZE(ffa_expected_partition_info) - 1)), true);
ffa_partition_info_wrong_test();
}
void ffa_version_test(void)
{
struct ffa_value ret = ffa_version(MAKE_FFA_VERSION(FFA_MAJOR,
FFA_MINOR));
spm_version = (uint32_t)ret.fid;
bool ffa_version_compatible =
((spm_version >> FFA_VERSION_MAJOR_SHIFT) == FFA_MAJOR &&
(spm_version & FFA_VERSION_MINOR_MASK) >= FFA_MINOR);
INFO("Test FFA_VERSION. Return %u.%u; Compatible: %i\n",
spm_version >> FFA_VERSION_MAJOR_SHIFT,
spm_version & FFA_VERSION_MINOR_MASK,
(int)ffa_version_compatible);
expect((int)ffa_version_compatible, (int)true);
}
void ffa_spm_id_get_test(void)
{
if (spm_version >= MAKE_FFA_VERSION(1, 1)) {
struct ffa_value ret = ffa_spm_id_get();
expect(ffa_func_id(ret), FFA_SUCCESS_SMC32);
ffa_id_t spm_id = ffa_endpoint_id(ret);
INFO("Test FFA_SPM_ID_GET. Return: 0x%x\n", spm_id);
/*
* Check the SPMC value given in the fvp_spmc_manifest
* is returned.
*/
expect(spm_id, SPMC_ID);
} else {
INFO("FFA_SPM_ID_GET not supported in this version of FF-A."
" Test skipped.\n");
}
}
void ffa_tests(struct mailbox_buffers *mb)
{
const char *test_ffa = "FF-A setup and discovery";
announce_test_section_start(test_ffa);
ffa_features_test();
ffa_version_test();
ffa_spm_id_get_test();
ffa_partition_info_get_test(mb);
ffa_partition_info_get_regs_test();
announce_test_section_end(test_ffa);
}
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