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arm_ffa: introduce sandbox test cases for UCLASS_FFA
Add functional test cases for the FF-A support These tests rely on the FF-A sandbox emulator and FF-A sandbox driver which help in inspecting the FF-A communication. Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> Reviewed-by: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com> Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org> Cc: Jens Wiklander <jens.wiklander@linaro.org> Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Abdellatif El Khlifi
Tom Rini
parent
32dd07ff46
commit
dd40919bea
4 changed files with 265 additions and 1 deletions
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@ -276,6 +276,7 @@ F: doc/arch/arm64.ffa.rst
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F: doc/usage/cmd/armffa.rst
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F: drivers/firmware/arm-ffa/
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F: include/arm_ffa.h
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F: test/dm/ffa.c
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ARM FREESCALE IMX
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M: Stefano Babic <sbabic@denx.de>
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@ -37,6 +37,7 @@ The U-Boot FF-A support provides the following parts:
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FF-A ABIs inspection methods.
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- An FF-A sandbox device driver for FF-A communication with the emulated Secure World.
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The driver leverages the FF-A Uclass to establish FF-A communication.
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- Sandbox FF-A test cases.
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FF-A and SMC specifications
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-------------------------------------------
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@ -1,7 +1,7 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (c) 2013 Google, Inc
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# Copyright 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
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# Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
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obj-$(CONFIG_UT_DM) += test-dm.o
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@ -92,6 +92,7 @@ obj-$(CONFIG_POWER_DOMAIN) += power-domain.o
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obj-$(CONFIG_ACPI_PMC) += pmc.o
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obj-$(CONFIG_DM_PMIC) += pmic.o
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obj-$(CONFIG_DM_PWM) += pwm.o
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obj-$(CONFIG_ARM_FFA_TRANSPORT) += ffa.o
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obj-$(CONFIG_QFW) += qfw.o
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obj-$(CONFIG_RAM) += ram.o
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obj-y += regmap.o
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261
test/dm/ffa.c
Normal file
261
test/dm/ffa.c
Normal file
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@ -0,0 +1,261 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Functional tests for UCLASS_FFA class
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*
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* Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
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*
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* Authors:
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* Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
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*/
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#include <common.h>
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#include <console.h>
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#include <dm.h>
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#include <asm/sandbox_arm_ffa.h>
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#include <asm/sandbox_arm_ffa_priv.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.h>
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/* Functional tests for the UCLASS_FFA */
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static int check_fwk_version(struct ffa_priv *uc_priv, struct unit_test_state *uts)
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{
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struct ffa_sandbox_data func_data;
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u32 fwk_version = 0;
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func_data.data0 = &fwk_version;
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func_data.data0_size = sizeof(fwk_version);
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ut_assertok(sandbox_query_ffa_emul_state(FFA_VERSION, &func_data));
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ut_asserteq(uc_priv->fwk_version, fwk_version);
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return 0;
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}
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static int check_endpoint_id(struct ffa_priv *uc_priv, struct unit_test_state *uts)
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{
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ut_asserteq(0, uc_priv->id);
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return 0;
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}
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static int check_rxtxbuf(struct ffa_priv *uc_priv, struct unit_test_state *uts)
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{
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ut_assertnonnull(uc_priv->pair.rxbuf);
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ut_assertnonnull(uc_priv->pair.txbuf);
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return 0;
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}
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static int check_features(struct ffa_priv *uc_priv, struct unit_test_state *uts)
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{
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ut_assert(uc_priv->pair.rxtx_min_pages == RXTX_4K ||
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uc_priv->pair.rxtx_min_pages == RXTX_16K ||
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uc_priv->pair.rxtx_min_pages == RXTX_64K);
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return 0;
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}
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static int check_rxbuf_mapped_flag(u32 queried_func_id,
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u8 rxbuf_mapped,
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struct unit_test_state *uts)
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{
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switch (queried_func_id) {
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case FFA_RXTX_MAP:
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ut_asserteq(1, rxbuf_mapped);
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break;
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case FFA_RXTX_UNMAP:
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ut_asserteq(0, rxbuf_mapped);
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break;
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default:
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ut_assert(false);
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}
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return 0;
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}
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static int check_rxbuf_release_flag(u8 rxbuf_owned, struct unit_test_state *uts)
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{
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ut_asserteq(0, rxbuf_owned);
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return 0;
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}
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static int test_ffa_msg_send_direct_req(u16 part_id, struct unit_test_state *uts)
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{
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struct ffa_send_direct_data msg;
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u8 cnt;
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struct udevice *dev;
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ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
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ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1));
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for (cnt = 0; cnt < sizeof(struct ffa_send_direct_data) / sizeof(u64); cnt++)
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ut_asserteq_64(-1UL, ((u64 *)&msg)[cnt]);
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return 0;
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}
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static int test_partitions_and_comms(const char *service_uuid,
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struct unit_test_state *uts)
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{
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struct ffa_partition_desc *descs;
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u32 count, i, j, valid_sps = 0;
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struct udevice *dev;
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struct ffa_sandbox_data func_data;
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struct ffa_partitions *partitions;
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ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
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/* Get from the driver the count and information of the SPs matching the UUID */
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ut_assertok(ffa_partition_info_get(dev, service_uuid, &count, &descs));
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/* Make sure the count is correct */
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ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count);
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/* SPs found , verify the partitions information */
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func_data.data0 = &partitions;
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func_data.data0_size = sizeof(struct ffa_partitions *);
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ut_assertok(sandbox_query_ffa_emul_state(FFA_PARTITION_INFO_GET, &func_data));
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for (i = 0; i < count ; i++) {
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for (j = 0;
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j < partitions->count;
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j++) {
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if (descs[i].info.id ==
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partitions->descs[j].info.id) {
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valid_sps++;
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ut_asserteq_mem(&descs[i],
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&partitions->descs[j],
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sizeof(struct ffa_partition_desc));
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/* Send and receive data from the current partition */
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test_ffa_msg_send_direct_req(descs[i].info.id, uts);
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}
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}
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}
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/* Verify expected partitions found in the emulated secure world */
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ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, valid_sps);
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return 0;
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}
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static int dm_test_ffa_ack(struct unit_test_state *uts)
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{
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struct ffa_priv *uc_priv;
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struct ffa_sandbox_data func_data;
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u8 rxbuf_flag = 0;
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const char *svc1_uuid = SANDBOX_SERVICE1_UUID;
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const char *svc2_uuid = SANDBOX_SERVICE2_UUID;
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struct udevice *dev;
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/* Test probing the sandbox FF-A bus */
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ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
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/* Get a pointer to the sandbox FF-A bus private data */
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uc_priv = dev_get_uclass_priv(dev);
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/* Make sure the private data pointer is retrieved */
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ut_assertnonnull(uc_priv);
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/* Test FFA_VERSION */
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check_fwk_version(uc_priv, uts);
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/* Test FFA_ID_GET */
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check_endpoint_id(uc_priv, uts);
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/* Test FFA_FEATURES */
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check_features(uc_priv, uts);
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/* Test RX/TX buffers */
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check_rxtxbuf(uc_priv, uts);
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/* Test FFA_RXTX_MAP */
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func_data.data0 = &rxbuf_flag;
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func_data.data0_size = sizeof(rxbuf_flag);
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rxbuf_flag = 0;
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sandbox_query_ffa_emul_state(FFA_RXTX_MAP, &func_data);
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check_rxbuf_mapped_flag(FFA_RXTX_MAP, rxbuf_flag, uts);
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/* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */
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test_partitions_and_comms(svc1_uuid, uts);
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/* Test FFA_RX_RELEASE */
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rxbuf_flag = 1;
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sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data);
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check_rxbuf_release_flag(rxbuf_flag, uts);
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/* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */
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test_partitions_and_comms(svc2_uuid, uts);
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/* Test FFA_RX_RELEASE */
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rxbuf_flag = 1;
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ut_assertok(sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data));
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check_rxbuf_release_flag(rxbuf_flag, uts);
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return 0;
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}
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DM_TEST(dm_test_ffa_ack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
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static int dm_test_ffa_nack(struct unit_test_state *uts)
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{
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struct ffa_priv *uc_priv;
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const char *valid_svc_uuid = SANDBOX_SERVICE1_UUID;
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const char *unvalid_svc_uuid = SANDBOX_SERVICE3_UUID;
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const char *unvalid_svc_uuid_str = SANDBOX_SERVICE4_UUID;
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struct ffa_send_direct_data msg;
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int ret;
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u32 count;
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u16 part_id = 0;
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struct udevice *dev;
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struct ffa_partition_desc *descs = NULL;
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/* Test probing the sandbox FF-A bus */
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ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev));
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/* Get a pointer to the sandbox FF-A bus private data */
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uc_priv = dev_get_uclass_priv(dev);
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/* Make sure the private data pointer is retrieved */
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ut_assertnonnull(uc_priv);
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/* Query partitions count using invalid arguments */
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ret = ffa_partition_info_get(dev, NULL, NULL, NULL);
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ut_asserteq(-EINVAL, ret);
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ret = ffa_partition_info_get(dev, unvalid_svc_uuid, NULL, NULL);
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ut_asserteq(-EINVAL, ret);
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ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, NULL);
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ut_asserteq(-EINVAL, ret);
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/* Query partitions count using an invalid UUID string */
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ret = ffa_partition_info_get(dev, unvalid_svc_uuid_str, &count, &descs);
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ut_asserteq(-EINVAL, ret);
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/* Query partitions count using an invalid UUID (no matching SP) */
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count = 0;
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ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, &descs);
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ut_asserteq(0, count);
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/* Query partitions data using a valid UUID */
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count = 0;
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ut_assertok(ffa_partition_info_get(dev, valid_svc_uuid, &count, &descs));
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/* Make sure partitions are detected */
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ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count);
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ut_assertnonnull(descs);
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/* Send data to an invalid partition */
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ret = ffa_sync_send_receive(dev, part_id, &msg, 1);
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ut_asserteq(-EINVAL, ret);
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/* Send data to a valid partition */
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part_id = uc_priv->partitions.descs[0].info.id;
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ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1));
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return 0;
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}
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DM_TEST(dm_test_ffa_nack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
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