From: Abdellatif El Khlifi abdellatif.elkhlifi@arm.com
Add functional test cases for the FF-A core driver
These tests rely on the FF-A Sandbox driver which helps in inspecting the FF-A core driver.
Signed-off-by: Abdellatif El Khlifi abdellatif.elkhlifi@arm.com Cc: Tom Rini trini@konsulko.com --- MAINTAINERS | 2 + test/dm/Makefile | 1 + test/dm/ffa.c | 424 +++++++++++++++++++++++++++++++++++++++++++++++ test/dm/ffa.h | 22 +++ 4 files changed, 449 insertions(+) create mode 100644 test/dm/ffa.c create mode 100644 test/dm/ffa.h
diff --git a/MAINTAINERS b/MAINTAINERS index 84524d7caf..52274b2fac 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -242,6 +242,8 @@ F: include/arm_ffa_helper.h F: include/sandbox_arm_ffa.h F: include/sandbox_arm_ffa_helper.h F: lib/arm-ffa/ +F: test/dm/ffa.c +F: test/dm/ffa.h
ARM FREESCALE IMX M: Stefano Babic sbabic@denx.de diff --git a/test/dm/Makefile b/test/dm/Makefile index d46552fbf3..48eab1b1ff 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -79,6 +79,7 @@ obj-$(CONFIG_POWER_DOMAIN) += power-domain.o obj-$(CONFIG_ACPI_PMC) += pmc.o obj-$(CONFIG_DM_PMIC) += pmic.o obj-$(CONFIG_DM_PWM) += pwm.o +obj-$(CONFIG_SANDBOX_FFA) += ffa.o obj-$(CONFIG_QFW) += qfw.o obj-$(CONFIG_RAM) += ram.o obj-y += regmap.o diff --git a/test/dm/ffa.c b/test/dm/ffa.c new file mode 100644 index 0000000000..82875705c6 --- /dev/null +++ b/test/dm/ffa.c @@ -0,0 +1,424 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Functional tests for UCLASS_FFA class + * + * (C) Copyright 2022 ARM Limited + * Abdellatif El Khlifi abdellatif.elkhlifi@arm.com + */ + +#include <common.h> +#include <console.h> +#include <dm.h> +#include <dm/test.h> +#include "ffa.h" +#include <test/test.h> +#include <test/ut.h> +#include <sandbox_arm_ffa_helper.h> +#include <string.h> + +/* Functional tests for the UCLASS_FFA */ + +int dm_test_ffa_log(struct unit_test_state *uts, char *msg) +{ + char cmd[LOG_CMD_SZ] = {0}; + + console_record_reset(); + + snprintf(cmd, LOG_CMD_SZ, "echo "%s"", msg); + run_command(cmd, 0); + + ut_assert_console_end(); + + return CMD_RET_SUCCESS; +} + +static int check_fwk_version(struct ffa_prvdata *prvdata, struct unit_test_state *uts) +{ + if (prvdata->fwk_version != SANDBOX_FWK_VERSION) { + char msg[LOG_MSG_SZ] = {0}; + + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: prvdata->fwk_version = 0x%x", __func__, + prvdata->fwk_version); + dm_test_ffa_log(uts, msg); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + +static int check_endpoint_id(struct ffa_prvdata *prvdata, struct unit_test_state *uts) +{ + if (prvdata->id) { + char msg[LOG_MSG_SZ] = {0}; + + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: prvdata->id = 0x%x", __func__, prvdata->id); + dm_test_ffa_log(uts, msg); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + +static int check_dev(struct ffa_prvdata *prvdata, struct unit_test_state *uts) +{ + if (!prvdata->dev) { + char msg[LOG_MSG_SZ] = {0}; + + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: device = 0x%p", __func__, prvdata->dev); + dm_test_ffa_log(uts, msg); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + +static int check_prvdata_null(struct ffa_prvdata *prvdata) +{ + u32 idx; + u8 *byte = (u8 *)prvdata; + + for (idx = 0 ; idx < sizeof(struct ffa_prvdata) ; idx++) + if (*(byte++)) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} + +static int check_rxtxbuf(struct ffa_prvdata *prvdata, struct unit_test_state *uts) +{ + if (!prvdata->pair.rxbuf && prvdata->pair.txbuf) { + char msg[LOG_MSG_SZ] = {0}; + + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: rxbuf = 0x%llx txbuf = 0x%llx", __func__, + prvdata->pair.rxbuf, + prvdata->pair.txbuf); + dm_test_ffa_log(uts, msg); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + +static int check_features(struct ffa_prvdata *prvdata, struct unit_test_state *uts) +{ + u32 desc_idx; + char msg[LOG_MSG_SZ] = {0}; + + snprintf(msg, + LOG_MSG_SZ, + "[%s]: Error: FFA_RXTX_MAP features not found", + __func__); + + for (desc_idx = 0; desc_idx < FFA_FEATURE_DESC_CNT ; desc_idx++) + if (prvdata->features[desc_idx].func_id == FFA_RXTX_MAP) { + if (prvdata->features[desc_idx].field1 != RXTX_4K && + prvdata->features[desc_idx].field1 != RXTX_16K && + prvdata->features[desc_idx].field1 != RXTX_64K) { + snprintf(msg, + LOG_MSG_SZ, + "[%s]: Error: FFA_RXTX_MAP features = 0x%x", + __func__, + prvdata->features[desc_idx].field1); + break; + } + return CMD_RET_SUCCESS; + } + + dm_test_ffa_log(uts, msg); + return CMD_RET_FAILURE; +} + +static int check_rxbuf_mapped_flag(u32 queried_func_id, + u8 rxbuf_mapped, + struct unit_test_state *uts) +{ + char msg[LOG_MSG_SZ] = {0}; + + switch (queried_func_id) { + case FFA_RXTX_MAP: + { + if (rxbuf_mapped) + return CMD_RET_SUCCESS; + break; + } + case FFA_RXTX_UNMAP: + { + if (!rxbuf_mapped) + return CMD_RET_SUCCESS; + break; + } + default: + return CMD_RET_FAILURE; + } + + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: %s mapping issue", __func__, + (queried_func_id == FFA_RXTX_MAP ? "FFA_RXTX_MAP" : "FFA_RXTX_UNMAP")); + dm_test_ffa_log(uts, msg); + + return CMD_RET_FAILURE; +} + +static int check_rxbuf_release_flag(u8 rxbuf_owned, struct unit_test_state *uts) +{ + if (rxbuf_owned) { + char msg[LOG_MSG_SZ] = {0}; + + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: RX buffer not released", __func__); + dm_test_ffa_log(uts, msg); + return CMD_RET_FAILURE; + } + return CMD_RET_SUCCESS; +} + +static int test_ffa_msg_send_direct_req(u16 part_id, struct unit_test_state *uts) +{ + struct ffa_interface_data func_data = {0}; + struct ffa_send_direct_data msg = {0}; + u32 pattern = 0xaabbccdd; + u8 cnt; + + /* + * telling the driver which partition to use + */ + func_data.data0_size = sizeof(part_id); + func_data.data0 = &part_id; + + /* + * filling the message data + */ + msg.a3 = pattern; + msg.a4 = pattern; + msg.a5 = pattern; + msg.a6 = pattern; + msg.a7 = pattern; + func_data.data1_size = sizeof(msg); + func_data.data1 = &msg; + + ut_assertok(ffa_helper_msg_send_direct_req(&func_data)); + + for (cnt = 0; cnt < sizeof(struct ffa_send_direct_data) / sizeof(u32); cnt++) + ut_assertok(((u32 *)&msg)[cnt] != 0xffffffff); + + return CMD_RET_SUCCESS; +} + +static int test_partitions_and_comms(union ffa_partition_uuid *service_uuid, + struct sandbox_ffa_prvdata *sdx_prvdata, + struct unit_test_state *uts) +{ + struct ffa_interface_data func_data = {0}; + u32 count = 0; + struct ffa_partition_info *parts_info; + u32 info_idx, exp_info_idx; + int ret; + + /* + * get from the driver the count of the SPs matching the UUID + */ + func_data.data0_size = sizeof(*service_uuid); + func_data.data0 = service_uuid; + func_data.data1_size = sizeof(count); + func_data.data1 = &count; + + ut_assertok(ffa_helper_get_partitions_info(&func_data)); + + /* make sure partitions are detected */ + ut_assertok(!count); + + /* + * pre-allocate a buffer to be filled by the driver + * with ffa_partition_info structs + */ + + parts_info = calloc(count, sizeof(struct ffa_partition_info)); + ut_assertok(!parts_info); + + func_data.data1_size = count * sizeof(struct ffa_partition_info); + func_data.data1 = parts_info; + + /* + * ask the driver to fill the buffer with the SPs info + */ + ret = ffa_helper_get_partitions_info(&func_data); + if (ret != FFA_ERR_STAT_SUCCESS) { + free(parts_info); + ut_assertok(ret != FFA_ERR_STAT_SUCCESS); + } + + /* + * SPs found , verify the partitions information + */ + + ret = CMD_RET_FAILURE; + + for (info_idx = 0; info_idx < count ; info_idx++) { + for (exp_info_idx = 0; + exp_info_idx < sdx_prvdata->partitions.count; + exp_info_idx++) { + if (parts_info[info_idx].id == + sdx_prvdata->partitions.descs[exp_info_idx].info.id) { + ret = memcmp(&parts_info[info_idx], + &sdx_prvdata->partitions.descs[exp_info_idx] + .info, + sizeof(struct ffa_partition_info)); + if (ret) + free(parts_info); + ut_assertok(ret != 0); + /* send and receive data from the current partition */ + test_ffa_msg_send_direct_req(parts_info[info_idx].id, uts); + } + ret = CMD_RET_SUCCESS; + } + } + + free(parts_info); + + /* Verify expected partitions found in the emulated secure world*/ + ut_assertok(ret != CMD_RET_SUCCESS); + + return CMD_RET_SUCCESS; +} + +static int dm_test_ffa_ack(struct unit_test_state *uts) +{ + struct ffa_prvdata *prvdata = NULL; + struct sandbox_ffa_prvdata *sdx_prvdata = NULL; + struct ffa_interface_data func_data = {0}; + u8 rxbuf_flag = 0; + union ffa_partition_uuid svc1_uuid = { .bytes = {SANDBOX_SERVICE1_UUID_DATA}}; + union ffa_partition_uuid svc2_uuid = { .bytes = {SANDBOX_SERVICE2_UUID_DATA}}; + int ret; + + /* get a pointer to the FF-A core and sandbox drivers private data */ + func_data.data0 = &prvdata; + func_data.data0_size = sizeof(prvdata); + func_data.data1 = &sdx_prvdata; + func_data.data1_size = sizeof(sdx_prvdata); + + ut_assertok(sandbox_ffa_helper_query_core_state(FFA_VERSION, &func_data)); + + /* make sure the core private data is cleared before use */ + ut_assertok(check_prvdata_null(prvdata)); + + /* test probing FF-A devices */ + ut_assertok(ffa_helper_init_device()); + ut_assertok(check_dev(prvdata, uts)); + + /* test FFA_VERSION */ + ut_assertok(check_fwk_version(prvdata, uts)); + + /* test FFA_ID_GET */ + ut_assertok(check_endpoint_id(prvdata, uts)); + + /* test FFA_FEATURES */ + ut_assertok(check_features(prvdata, uts)); + + /* test core RX/TX buffers */ + ut_assertok(check_rxtxbuf(prvdata, uts)); + + /* test FFA_RXTX_MAP */ + func_data.data0 = &rxbuf_flag; + func_data.data0_size = sizeof(rxbuf_flag); + + rxbuf_flag = 0; + ut_assertok(sandbox_ffa_helper_query_core_state(FFA_RXTX_MAP, &func_data)); + ut_assertok(check_rxbuf_mapped_flag(FFA_RXTX_MAP, rxbuf_flag, uts)); + + /* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */ + ret = test_partitions_and_comms(&svc1_uuid, sdx_prvdata, uts); + ut_assertok(ret != CMD_RET_SUCCESS); + + /* test FFA_RX_RELEASE */ + rxbuf_flag = 1; + ut_assertok(sandbox_ffa_helper_query_core_state(FFA_RX_RELEASE, &func_data)); + ut_assertok(check_rxbuf_release_flag(rxbuf_flag, uts)); + + /* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */ + ret = test_partitions_and_comms(&svc2_uuid, sdx_prvdata, uts); + ut_assertok(ret != CMD_RET_SUCCESS); + + /* test FFA_RX_RELEASE */ + rxbuf_flag = 1; + ut_assertok(sandbox_ffa_helper_query_core_state(FFA_RX_RELEASE, &func_data)); + ut_assertok(check_rxbuf_release_flag(rxbuf_flag, uts)); + + /* test FFA_RXTX_UNMAP */ + ut_assertok(ffa_helper_unmap_rxtx_buffers()); + + rxbuf_flag = 1; + ut_assertok(sandbox_ffa_helper_query_core_state(FFA_RXTX_UNMAP, &func_data)); + ut_assertok(check_rxbuf_mapped_flag(FFA_RXTX_UNMAP, rxbuf_flag, uts)); + + return CMD_RET_SUCCESS; +} + +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_prvdata *prvdata = NULL; + struct sandbox_ffa_prvdata *sdx_prvdata = NULL; + + struct ffa_interface_data func_data = {0}; + union ffa_partition_uuid valid_svc_uuid = { .bytes = {SANDBOX_SERVICE1_UUID_DATA}}; + union ffa_partition_uuid unvalid_svc_uuid = { .bytes = {SANDBOX_SERVICE3_UUID_DATA}}; + struct ffa_send_direct_data msg = {0}; + int ret; + u32 count = 0; + u16 part_id = 0; + + /* get partitions info before probing the core driver */ + func_data.data0_size = sizeof(union ffa_partition_uuid); + func_data.data0 = &unvalid_svc_uuid; + func_data.data1_size = sizeof(count); + func_data.data1 = &count; + + ret = ffa_helper_get_partitions_info(&func_data); + ut_assertok(ret != -ENODEV); + + /* get a pointer to the FF-A core and sandbox drivers private data */ + func_data.data0 = &prvdata; + func_data.data0_size = sizeof(prvdata); + func_data.data1 = &sdx_prvdata; + func_data.data1_size = sizeof(sdx_prvdata); + ut_assertok(sandbox_ffa_helper_query_core_state(FFA_VERSION, &func_data)); + + /* probing FF-A devices */ + ut_assertok(ffa_helper_init_device()); + ut_assertok(check_dev(prvdata, uts)); + + /* query partition info using invalid arguments */ + ret = ffa_helper_get_partitions_info(&func_data); + ut_assertok(ret != -EINVAL); + + /* query partition info using an invalid UUID */ + func_data.data0_size = sizeof(union ffa_partition_uuid); + func_data.data0 = &unvalid_svc_uuid; + func_data.data1_size = sizeof(count); + func_data.data1 = &count; + + ret = ffa_helper_get_partitions_info(&func_data); + ut_assertok(ret != -EPERM); + + /* query partition info using a valid UUID */ + func_data.data0 = &valid_svc_uuid; + count = 0; + ret = ffa_helper_get_partitions_info(&func_data); + /* make sure partitions are detected */ + ut_assertok(ret != FFA_ERR_STAT_SUCCESS); + ut_assertok(!count); + + /* send data to an invalid partition */ + func_data.data0_size = sizeof(part_id); + func_data.data0 = &part_id; + func_data.data1_size = sizeof(msg); + func_data.data1 = &msg; + + ret = ffa_helper_msg_send_direct_req(&func_data); + ut_assertok(ret != -EPERM); + + /* send data to a valid partition */ + part_id = ffa_priv_data.partitions.descs[0].info.id; + ret = ffa_helper_msg_send_direct_req(&func_data); + ut_assertok(ret != FFA_ERR_STAT_SUCCESS); + + return CMD_RET_SUCCESS; +} + +DM_TEST(dm_test_ffa_nack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC); diff --git a/test/dm/ffa.h b/test/dm/ffa.h new file mode 100644 index 0000000000..11c7980fcf --- /dev/null +++ b/test/dm/ffa.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2022 ARM Limited + * Abdellatif El Khlifi abdellatif.elkhlifi@arm.com + */ + +#ifndef __TEST_DM_FFA_H +#define __TEST_DM_FFA_H + +#define SANDBOX_FWK_VERSION (0x10000) + +#define LOG_MSG_SZ (100) +#define LOG_CMD_SZ (LOG_MSG_SZ * 2) + +/* service 3 UUID binary data (little-endian format) */ +#define SANDBOX_SERVICE3_UUID_DATA \ + 0xfd, 0x42, 0xd5, 0x33, \ + 0x19, 0xa6, 0x42, 0x09, \ + 0x9c, 0xc1, 0x2d, 0x72, \ + 0xcd, 0xd9, 0x98, 0x89 + +#endif /*__TEST_DM_FFA_H */