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Diffstat (limited to 'tftf/tests/runtime_services/secure_service/test_ffa_memory_sharing.c')
-rw-r--r--tftf/tests/runtime_services/secure_service/test_ffa_memory_sharing.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/tftf/tests/runtime_services/secure_service/test_ffa_memory_sharing.c b/tftf/tests/runtime_services/secure_service/test_ffa_memory_sharing.c
new file mode 100644
index 00000000..0ae8a8d3
--- /dev/null
+++ b/tftf/tests/runtime_services/secure_service/test_ffa_memory_sharing.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <cactus_test_cmds.h>
+#include <debug.h>
+#include <ffa_endpoints.h>
+#include <ffa_helpers.h>
+#include <test_helpers.h>
+#include <tftf_lib.h>
+#include <xlat_tables_defs.h>
+
+#define MAILBOX_SIZE PAGE_SIZE
+
+#define SENDER HYP_ID
+#define RECEIVER SP_ID(1)
+
+/* Memory section to be sent over mem management ABIs */
+static __aligned(PAGE_SIZE) uint8_t share_page[PAGE_SIZE];
+
+static __aligned(PAGE_SIZE) uint8_t send_page[PAGE_SIZE];
+static __aligned(PAGE_SIZE) uint8_t recv_page[PAGE_SIZE];
+
+/* Within the same test the RXTX Buffers only need to be shared once */
+static bool rxtx_mapped;
+
+static struct mailbox_buffers mb = {
+ .recv = (void *)recv_page,
+ .send = (void *)send_page,
+ };
+
+static test_result_t test_memory_send_sp(uint32_t mem_func)
+{
+ smc_ret_values ret;
+ uint32_t remaining_constituent_count;
+ uint32_t total_length;
+ uint32_t fragment_length;
+ uint32_t sent_length;
+ ffa_memory_handle_t handle;
+ uint32_t *ptr;
+
+ /**********************************************************************
+ * Verify that FFA is there and that it has the correct version.
+ **********************************************************************/
+ SKIP_TEST_IF_FFA_VERSION_LESS_THAN(1, 0);
+
+ /**********************************************************************
+ * If OPTEE is SPMC skip this test.
+ **********************************************************************/
+ if (check_spmc_execution_level()) {
+ VERBOSE("OPTEE as SPMC at S-EL1. Skipping test!\n");
+ return TEST_RESULT_SKIPPED;
+ }
+
+ if (!rxtx_mapped) {
+ ret = ffa_rxtx_map((uintptr_t)mb.send, (uintptr_t)mb.recv, 1);
+
+ if (ret.ret0 != FFA_SUCCESS_SMC32) {
+ ERROR("ffa_rxtx_map failed (%lx)\n", ret.ret0);
+ return TEST_RESULT_FAIL;
+ }
+ rxtx_mapped = true;
+ }
+
+ /**********************************************************************
+ * Verify that cactus primary SP is deployed in the system.
+ **********************************************************************/
+ SKIP_TEST_IF_FFA_ENDPOINT_NOT_DEPLOYED(mb, PRIMARY_UUID);
+
+ struct ffa_memory_region_constituent constituents[] = {
+ {(void *)share_page, 1, 0}
+ };
+
+ const uint32_t constituents_count = sizeof(constituents) /
+ sizeof(struct ffa_memory_region_constituent);
+
+ enum ffa_data_access data_access = (mem_func == FFA_MEM_DONATE_SMC32) ?
+ FFA_DATA_ACCESS_NOT_SPECIFIED :
+ FFA_DATA_ACCESS_RW;
+
+ /*
+ * TODO: Revise shareability attribute in function call
+ * below.
+ * https://lists.trustedfirmware.org/pipermail/hafnium/2020-June/000023.html
+ */
+ remaining_constituent_count = ffa_memory_region_init(
+ mb.send, MAILBOX_SIZE, SENDER, RECEIVER, constituents,
+ constituents_count, 0, 0,
+ data_access,
+ FFA_INSTRUCTION_ACCESS_NOT_SPECIFIED,
+ FFA_MEMORY_NORMAL_MEM,
+ FFA_MEMORY_CACHE_WRITE_BACK,
+ FFA_MEMORY_OUTER_SHAREABLE,
+ &total_length,
+ &fragment_length
+ );
+
+ switch (mem_func) {
+ case FFA_MEM_SHARE_SMC32:
+ ret = ffa_mem_share(total_length, fragment_length);
+ break;
+ case FFA_MEM_LEND_SMC32:
+ ret = ffa_mem_lend(total_length, fragment_length);
+ break;
+ case FFA_MEM_DONATE_SMC32:
+ ret = ffa_mem_donate(total_length, fragment_length);
+ break;
+ default:
+ NOTICE("TFTF - Invalid func id!\n");
+ return TEST_RESULT_FAIL;
+ }
+
+ sent_length = fragment_length;
+
+ if (ret.ret0 != FFA_SUCCESS_SMC32) {
+ tftf_testcase_printf("Failed to send memory to SP %x.\n",
+ RECEIVER);
+ return TEST_RESULT_FAIL;
+ }
+
+ if (sent_length != total_length) {
+ tftf_testcase_printf("Sent and Total lengths must be equal!\n");
+ return TEST_RESULT_FAIL;
+ }
+
+ if (remaining_constituent_count != 0) {
+ tftf_testcase_printf("Remaining constituent should be 0\n");
+ return TEST_RESULT_FAIL;
+ }
+
+ handle = ffa_mem_success_handle(ret);
+
+ VERBOSE("TFTF - Handle: %llx\nTFTF - Address: %p\n",
+ handle, constituents[0].address);
+
+ ptr = (uint32_t *)constituents[0].address;
+
+ ret = CACTUS_MEM_SEND_CMD(SENDER, RECEIVER, mem_func, handle);
+
+ if (ret.ret0 != FFA_MSG_SEND_DIRECT_RESP_SMC32) {
+ ERROR("Failed to send message. error: %lx\n",
+ ret.ret2);
+ return TEST_RESULT_FAIL;
+ }
+
+ if (CACTUS_GET_RESPONSE(ret) != CACTUS_SUCCESS) {
+ tftf_testcase_printf("Failed memory send operation!\n");
+ return TEST_RESULT_FAIL;
+ }
+
+ /*
+ * Print 5 words from the memory region to validate SP wrote to the
+ * memory region.
+ */
+ VERBOSE("TFTF - Memory contents after SP use:\n");
+ for (unsigned int i = 0U; i < 5U; i++)
+ VERBOSE(" %u: %x\n", i, ptr[i]);
+
+ /* To make the compiler happy in case it is not a verbose build */
+ if (LOG_LEVEL < LOG_LEVEL_VERBOSE)
+ (void)ptr;
+
+ if (mem_func != FFA_MEM_DONATE_SMC32 &&
+ ffa_mem_reclaim(handle, 0).ret0 == FFA_ERROR) {
+ tftf_testcase_printf("Couldn't reclaim memory\n");
+ return TEST_RESULT_FAIL;
+ }
+
+ return TEST_RESULT_SUCCESS;
+}
+
+test_result_t test_mem_share_sp(void)
+{
+ return test_memory_send_sp(FFA_MEM_SHARE_SMC32);
+}
+
+test_result_t test_mem_lend_sp(void)
+{
+ return test_memory_send_sp(FFA_MEM_LEND_SMC32);
+}
+
+test_result_t test_mem_donate_sp(void)
+{
+ return test_memory_send_sp(FFA_MEM_DONATE_SMC32);
+}