[PATCH v6 07/10] arm_ffa: introduce Sandbox test cases for UCLASS_FFA
Ilias Apalodimas
ilias.apalodimas at linaro.org
Mon Oct 24 14:10:09 CEST 2022
Hi Abdellatif
On Thu, Oct 13, 2022 at 11:38:54AM +0100, Abdellatif El Khlifi wrote:
> 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.
This looks ok from me, but I'd prefer Simon having a quick look, since I am
not an expert when it comes to sandbox and testing
Thanks
/Ilias
>
> Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> Cc: Jens Wiklander <jens.wiklander at linaro.org>
>
> ---
>
> Changelog:
> ===============
>
> v4: align sandbox tests with the new FF-A driver interfaces
> and new way of error handling
>
> v1: introduce sandbox tests
>
> MAINTAINERS | 1 +
> test/dm/Makefile | 2 +
> test/dm/ffa.c | 394 +++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 397 insertions(+)
> create mode 100644 test/dm/ffa.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 598ae76e16..bf198f4ce1 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -256,6 +256,7 @@ F: doc/arch/arm64.ffa.rst
> F: drivers/firmware/arm-ffa/
> F: include/arm_ffa.h
> F: include/sandbox_arm_ffa.h
> +F: test/dm/ffa.c
>
> ARM FREESCALE IMX
> M: Stefano Babic <sbabic at denx.de>
> diff --git a/test/dm/Makefile b/test/dm/Makefile
> index 5178daa7cf..e5bc4b4bd6 100644
> --- a/test/dm/Makefile
> +++ b/test/dm/Makefile
> @@ -1,6 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0+
> #
> # Copyright (c) 2013 Google, Inc
> +# (C) Copyright 2022 ARM Limited
>
> obj-$(CONFIG_UT_DM) += test-dm.o
>
> @@ -81,6 +82,7 @@ obj-$(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..052d5fc3f4
> --- /dev/null
> +++ b/test/dm/ffa.c
> @@ -0,0 +1,394 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Functional tests for UCLASS_FFA class
> + *
> + * (C) Copyright 2022 ARM Limited
> + * Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
> + */
> +
> +#include <common.h>
> +#include <console.h>
> +#include <dm.h>
> +#include <dm/test.h>
> +#include "../../drivers/firmware/arm-ffa/sandbox_arm_ffa_prv.h"
> +#include <sandbox_arm_ffa.h>
> +#include <test/test.h>
> +#include <test/ut.h>
> +
> +/* Macros */
> +
> +#define LOG_MSG_SZ (100)
> +#define LOG_CMD_SZ (LOG_MSG_SZ * 2)
> +
> +/* Functional tests for the UCLASS_FFA */
> +
> +static 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 sandbox_ffa_prvdata *sdx_prvdata,
> + struct unit_test_state *uts)
> +{
> + if (prvdata->fwk_version != sdx_prvdata->fwk_version) {
> + char msg[LOG_MSG_SZ] = {0};
> +
> + snprintf(msg, LOG_MSG_SZ,
> + "[%s]: Error: framework version: core = 0x%x , sandbox = 0x%x", __func__,
> + prvdata->fwk_version,
> + sdx_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: endpoint id: core = 0x%x", __func__, prvdata->id);
> + dm_test_ffa_log(uts, msg);
> + return CMD_RET_FAILURE;
> + }
> + return CMD_RET_SUCCESS;
> +}
> +
> +static int check_core_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: core device NULL", __func__);
> + dm_test_ffa_log(uts, msg);
> + return CMD_RET_FAILURE;
> + }
> + return CMD_RET_SUCCESS;
> +}
> +
> +static int check_sandbox_dev(struct sandbox_ffa_prvdata *sdx_prvdata, struct unit_test_state *uts)
> +{
> + if (!sdx_prvdata->dev) {
> + char msg[LOG_MSG_SZ] = {0};
> +
> + snprintf(msg, LOG_MSG_SZ, "[%s]: Error: sandbox device NULL", __func__);
> + dm_test_ffa_log(uts, msg);
> + 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)
> +{
> + char msg[LOG_MSG_SZ] = {0};
> +
> + if (prvdata->pair.rxtx_min_pages != RXTX_4K &&
> + prvdata->pair.rxtx_min_pages != RXTX_16K &&
> + prvdata->pair.rxtx_min_pages != RXTX_64K) {
> + snprintf(msg,
> + LOG_MSG_SZ,
> + "[%s]: Error: FFA_RXTX_MAP features = 0x%lx",
> + __func__,
> + prvdata->pair.rxtx_min_pages);
> + dm_test_ffa_log(uts, msg);
> + return CMD_RET_FAILURE;
> + }
> +
> + return CMD_RET_SUCCESS;
> +}
> +
> +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_send_direct_data msg = {0};
> + u8 cnt;
> +
> + ut_assertok(ffa_bus_ops_get()->sync_send_receive(part_id, &msg));
> +
> + for (cnt = 0; cnt < sizeof(struct ffa_send_direct_data) / sizeof(u64); cnt++)
> + ut_assertok(((u64 *)&msg)[cnt] != 0xffffffffffffffff);
> +
> + return CMD_RET_SUCCESS;
> +}
> +
> +static int test_partitions_and_comms(const char *service_uuid,
> + struct sandbox_ffa_prvdata *sdx_prvdata,
> + struct unit_test_state *uts)
> +{
> + u32 count = 0, size = 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
> + */
> + ret = ffa_bus_ops_get()->partition_info_get(service_uuid, &count, NULL);
> + /* make sure partitions are detected */
> + ut_assertok(ret != 0);
> + ut_assertok(count != SANDBOX_SP_COUNT_PER_VALID_SERVICE);
> +
> + /*
> + * 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);
> +
> + size = count * sizeof(struct ffa_partition_info);
> +
> + /*
> + * ask the driver to fill the buffer with the SPs info
> + */
> + ret = ffa_bus_ops_get()->partition_info_get(service_uuid, &size, parts_info);
> + if (ret != 0) {
> + free(parts_info);
> + ut_assertok(ret != 0);
> + }
> +
> + /*
> + * 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_sandbox_data func_data = {0};
> + u8 rxbuf_flag = 0;
> + const char *svc1_uuid = SANDBOX_SERVICE1_UUID;
> + const char *svc2_uuid = SANDBOX_SERVICE2_UUID;
> + int ret;
> +
> + /* test probing FF-A devices */
> + ut_assertok(ffa_bus_discover());
> +
> + /* 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_query_core_state(FFA_VERSION, &func_data));
> +
> + /* make sure private data pointers are retrieved */
> + ut_assertok(prvdata == 0);
> + ut_assertok(sdx_prvdata == 0);
> +
> + /* make sure dev devices created */
> + ut_assertok(check_core_dev(prvdata, uts));
> + ut_assertok(check_sandbox_dev(sdx_prvdata, uts));
> +
> + /* test FFA_VERSION */
> + ut_assertok(check_fwk_version(prvdata, sdx_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_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_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_query_core_state(FFA_RX_RELEASE, &func_data));
> + ut_assertok(check_rxbuf_release_flag(rxbuf_flag, uts));
> +
> + /* test FFA_RXTX_UNMAP */
> + ut_assertok(ffa_bus_ops_get()->rxtx_unmap());
> +
> + rxbuf_flag = 1;
> + ut_assertok(sandbox_ffa_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_sandbox_data func_data = {0};
> + 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 = {0};
> + int ret;
> + u32 count = 0;
> + u16 part_id = 0;
> +
> + /* test probing FF-A devices */
> + ut_assertok(ffa_bus_discover());
> +
> + /* 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_query_core_state(FFA_VERSION, &func_data));
> +
> + /* make sure private data pointers are retrieved */
> + ut_assertok(prvdata == 0);
> + ut_assertok(sdx_prvdata == 0);
> +
> + /* make sure dev devices created */
> + ut_assertok(check_core_dev(prvdata, uts));
> + ut_assertok(check_sandbox_dev(sdx_prvdata, uts));
> +
> + /* query partitions count using invalid arguments */
> + ret = ffa_bus_ops_get()->partition_info_get(unvalid_svc_uuid, NULL, NULL);
> + ut_assertok(ret != -EINVAL);
> +
> + /* query partitions count using an invalid UUID string */
> + ret = ffa_bus_ops_get()->partition_info_get(unvalid_svc_uuid_str, &count, NULL);
> + ut_assertok(ret != -EINVAL);
> +
> + /* query partitions count using an invalid UUID (no matching SP) */
> + count = 0;
> + ret = ffa_bus_ops_get()->partition_info_get(unvalid_svc_uuid, &count, NULL);
> + ut_assertok(count != 0);
> +
> + /* query partitions count using a valid UUID */
> + count = 0;
> + ret = ffa_bus_ops_get()->partition_info_get(valid_svc_uuid, &count, NULL);
> + /* make sure partitions are detected */
> + ut_assertok(ret != 0);
> + ut_assertok(count != SANDBOX_SP_COUNT_PER_VALID_SERVICE);
> +
> + /* send data to an invalid partition */
> + ret = ffa_bus_ops_get()->sync_send_receive(part_id, &msg);
> + ut_assertok(ret != -EINVAL);
> +
> + /* send data to a valid partition */
> + part_id = prvdata->partitions.descs[0].info.id;
> + ret = ffa_bus_ops_get()->sync_send_receive(part_id, &msg);
> + ut_assertok(ret != 0);
> +
> + return CMD_RET_SUCCESS;
> +}
> +
> +DM_TEST(dm_test_ffa_nack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
> --
> 2.17.1
>
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