// SPDX-License-Identifier: GPL-2.0+ /* * Functional tests for UCLASS_FFA class * * Copyright 2022-2023 Arm Limited and/or its affiliates * * Authors: * Abdellatif El Khlifi */ #include #include #include #include #include #include #include #include /* Functional tests for the UCLASS_FFA */ static int check_fwk_version(struct ffa_priv *uc_priv, struct unit_test_state *uts) { struct ffa_sandbox_data func_data; u32 fwk_version = 0; func_data.data0 = &fwk_version; func_data.data0_size = sizeof(fwk_version); ut_assertok(sandbox_query_ffa_emul_state(FFA_VERSION, &func_data)); ut_asserteq(uc_priv->fwk_version, fwk_version); return 0; } static int check_endpoint_id(struct ffa_priv *uc_priv, struct unit_test_state *uts) { ut_asserteq(0, uc_priv->id); return 0; } static int check_rxtxbuf(struct ffa_priv *uc_priv, struct unit_test_state *uts) { ut_assertnonnull(uc_priv->pair.rxbuf); ut_assertnonnull(uc_priv->pair.txbuf); return 0; } static int check_features(struct ffa_priv *uc_priv, struct unit_test_state *uts) { ut_assert(uc_priv->pair.rxtx_min_pages == RXTX_4K || uc_priv->pair.rxtx_min_pages == RXTX_16K || uc_priv->pair.rxtx_min_pages == RXTX_64K); return 0; } static int check_rxbuf_mapped_flag(u32 queried_func_id, u8 rxbuf_mapped, struct unit_test_state *uts) { switch (queried_func_id) { case FFA_RXTX_MAP: ut_asserteq(1, rxbuf_mapped); break; case FFA_RXTX_UNMAP: ut_asserteq(0, rxbuf_mapped); break; default: ut_assert(false); } return 0; } static int check_rxbuf_release_flag(u8 rxbuf_owned, struct unit_test_state *uts) { ut_asserteq(0, rxbuf_owned); return 0; } static int test_ffa_msg_send_direct_req(u16 part_id, struct unit_test_state *uts) { struct ffa_send_direct_data msg; u8 cnt; struct udevice *dev; ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1)); for (cnt = 0; cnt < sizeof(struct ffa_send_direct_data) / sizeof(u64); cnt++) ut_asserteq_64(-1UL, ((u64 *)&msg)[cnt]); return 0; } static int test_partitions_and_comms(const char *service_uuid, struct unit_test_state *uts) { struct ffa_partition_desc *descs; u32 count, i, j, valid_sps = 0; struct udevice *dev; struct ffa_sandbox_data func_data; struct ffa_partitions *partitions; ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); /* Get from the driver the count and information of the SPs matching the UUID */ ut_assertok(ffa_partition_info_get(dev, service_uuid, &count, &descs)); /* Make sure the count is correct */ ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count); /* SPs found , verify the partitions information */ func_data.data0 = &partitions; func_data.data0_size = sizeof(struct ffa_partitions *); ut_assertok(sandbox_query_ffa_emul_state(FFA_PARTITION_INFO_GET, &func_data)); for (i = 0; i < count ; i++) { for (j = 0; j < partitions->count; j++) { if (descs[i].info.id == partitions->descs[j].info.id) { valid_sps++; ut_asserteq_mem(&descs[i], &partitions->descs[j], sizeof(struct ffa_partition_desc)); /* Send and receive data from the current partition */ test_ffa_msg_send_direct_req(descs[i].info.id, uts); } } } /* Verify expected partitions found in the emulated secure world */ ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, valid_sps); return 0; } static int dm_test_ffa_ack(struct unit_test_state *uts) { struct ffa_priv *uc_priv; struct ffa_sandbox_data func_data; u8 rxbuf_flag = 0; const char *svc1_uuid = SANDBOX_SERVICE1_UUID; const char *svc2_uuid = SANDBOX_SERVICE2_UUID; struct udevice *dev; /* Test probing the sandbox FF-A bus */ ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); /* Get a pointer to the sandbox FF-A bus private data */ uc_priv = dev_get_uclass_priv(dev); /* Make sure the private data pointer is retrieved */ ut_assertnonnull(uc_priv); /* Test FFA_VERSION */ check_fwk_version(uc_priv, uts); /* Test FFA_ID_GET */ check_endpoint_id(uc_priv, uts); /* Test FFA_FEATURES */ check_features(uc_priv, uts); /* Test RX/TX buffers */ check_rxtxbuf(uc_priv, uts); /* Test FFA_RXTX_MAP */ func_data.data0 = &rxbuf_flag; func_data.data0_size = sizeof(rxbuf_flag); rxbuf_flag = 0; sandbox_query_ffa_emul_state(FFA_RXTX_MAP, &func_data); check_rxbuf_mapped_flag(FFA_RXTX_MAP, rxbuf_flag, uts); /* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */ test_partitions_and_comms(svc1_uuid, uts); /* Test FFA_RX_RELEASE */ rxbuf_flag = 1; sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data); check_rxbuf_release_flag(rxbuf_flag, uts); /* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */ test_partitions_and_comms(svc2_uuid, uts); /* Test FFA_RX_RELEASE */ rxbuf_flag = 1; ut_assertok(sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data)); check_rxbuf_release_flag(rxbuf_flag, uts); return 0; } DM_TEST(dm_test_ffa_ack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC); static int dm_test_ffa_nack(struct unit_test_state *uts) { struct ffa_priv *uc_priv; const char *valid_svc_uuid = SANDBOX_SERVICE1_UUID; const char *unvalid_svc_uuid = SANDBOX_SERVICE3_UUID; const char *unvalid_svc_uuid_str = SANDBOX_SERVICE4_UUID; struct ffa_send_direct_data msg; int ret; u32 count; u16 part_id = 0; struct udevice *dev; struct ffa_partition_desc *descs = NULL; /* Test probing the sandbox FF-A bus */ ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); /* Get a pointer to the sandbox FF-A bus private data */ uc_priv = dev_get_uclass_priv(dev); /* Make sure the private data pointer is retrieved */ ut_assertnonnull(uc_priv); /* Query partitions count using invalid arguments */ ret = ffa_partition_info_get(dev, NULL, NULL, NULL); ut_asserteq(-EINVAL, ret); ret = ffa_partition_info_get(dev, unvalid_svc_uuid, NULL, NULL); ut_asserteq(-EINVAL, ret); ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, NULL); ut_asserteq(-EINVAL, ret); /* Query partitions count using an invalid UUID string */ ret = ffa_partition_info_get(dev, unvalid_svc_uuid_str, &count, &descs); ut_asserteq(-EINVAL, ret); /* Query partitions count using an invalid UUID (no matching SP) */ count = 0; ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, &descs); ut_asserteq(0, count); /* Query partitions data using a valid UUID */ count = 0; ut_assertok(ffa_partition_info_get(dev, valid_svc_uuid, &count, &descs)); /* Make sure partitions are detected */ ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count); ut_assertnonnull(descs); /* Send data to an invalid partition */ ret = ffa_sync_send_receive(dev, part_id, &msg, 1); ut_asserteq(-EINVAL, ret); /* Send data to a valid partition */ part_id = uc_priv->partitions.descs[0].info.id; ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1)); return 0; } DM_TEST(dm_test_ffa_nack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);