tests: ipc: ipc_sessions: Implementation

Implementation of the test that focuses on session management in IPC.
Mainly restoring connections after disconnection.

Signed-off-by: Radoslaw Koppel <[email protected]>

Author: rakons

tests/subsys/ipc/ipc_sessions/CMakeLists.txt

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+# Copyright 2021 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(ipc_service)
+
+zephyr_include_directories(./common)
+
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources})

tests/subsys/ipc/ipc_sessions/Kconfig

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+menu "Zephyr"
+source "Kconfig.zephyr"
+endmenu
+
+config IPC_TEST_MSG_HEAP_SIZE
+	int "The heap to copy processed messages"
+	default 512
+	help
+		Internal heap where all the message data would be copied to be processed
+		linearry in tests.

tests/subsys/ipc/ipc_sessions/Kconfig.sysbuild

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+source "${ZEPHYR_BASE}/share/sysbuild/Kconfig"
+
+config REMOTE_BOARD
+	string "The board used for remote target"
+	default "nrf5340dk/nrf5340/cpunet" if BOARD_NRF5340DK_NRF5340_CPUAPP
+	default "nrf5340dk/nrf5340/cpunet" if BOARD_NRF5340DK_NRF5340_CPUAPP_NS
+	default "nrf54h20dk/nrf54h20/cpuppr" if BOARD_NRF54H20DK_NRF54H20_CPUAPP

tests/subsys/ipc/ipc_sessions/boards/nrf5340dk_nrf5340_cpuapp.conf

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+CONFIG_SOC_NRF53_CPUNET_ENABLE=y

tests/subsys/ipc/ipc_sessions/boards/nrf5340dk_nrf5340_cpuapp.overlay

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+/*
+ * Copyright (c) 2022 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/delete-node/ &ipc0;
+
+/ {
+	chosen {
+		/delete-property/ zephyr,ipc_shm;
+		/delete-property/ zephyr,bt-hci;
+	};
+
+	reserved-memory {
+		/delete-node/ memory@20070000;
+
+		sram_tx: memory@20070000 {
+			reg = <0x20070000 0x8000>;
+		};
+
+		sram_rx: memory@20078000 {
+			reg = <0x20078000 0x8000>;
+		};
+	};
+
+	ipc0: ipc0 {
+		compatible = "zephyr,ipc-icmsg";
+		tx-region = <&sram_tx>;
+		rx-region = <&sram_rx>;
+		mboxes = <&mbox 0>, <&mbox 1>;
+		mbox-names = "tx", "rx";
+		dcache-alignment = <8>;
+		unbound = "detect";
+		status = "okay";
+	};
+};

tests/subsys/ipc/ipc_sessions/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/* Replace default ipc0 instance */
+/delete-node/ &ipc0;
+
+ipc0: &cpuapp_cpuppr_ipc {
+	status = "okay";
+	unbound = "detect";
+};
+
+&cpuppr_vevif {
+	status = "okay";
+};
+
+&cpuapp_bellboard {
+	status = "okay";
+};
+
+/ {
+	chosen {
+		/delete-property/ zephyr,bt-hci;
+	};
+};

tests/subsys/ipc/ipc_sessions/common/test_commands.h

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef TEST_COMMANDS_H
+#include <stdint.h>
+
+/**
+ * @brief Test commands executable by remote
+ */
+enum ipc_test_commands {
+	IPC_TEST_CMD_NONE,     /**< Command to be ingored */
+	IPC_TEST_CMD_PING,     /**< Respond with the @ref IPC_TEST_CMD_PONG message */
+	IPC_TEST_CMD_PONG,     /**< Expected response to IPC_TEST_CMD_PING */
+	IPC_TEST_CMD_ECHO,     /**< Respond with the same data */
+	IPC_TEST_CMD_ECHO_RSP, /**< Echo respond */
+	IPC_TEST_CMD_REBOND,   /**< Unbond and rebond back whole interface */
+	IPC_TEST_CMD_REBOOT,   /**< Restart remote CPU after a given delay */
+};
+
+/**
+ * @brief Base command structure
+ */
+struct ipc_test_cmd {
+	uint32_t cmd;   /**< The command of @ref ipc_test_command type */
+	uint8_t data[]; /**< Command data depending on the command itself */
+};
+
+/**
+ * @brief Rebond command structure
+ */
+struct ipc_test_cmd_rebond {
+	struct ipc_test_cmd base;
+	uint32_t timeout_ms;
+};
+
+/**
+ * @brief Reboot command structure
+ */
+struct ipc_test_cmd_reboot {
+	struct ipc_test_cmd base;
+	uint32_t timeout_ms;
+};
+
+#endif /* TEST_COMMANDS_H */

tests/subsys/ipc/ipc_sessions/prj.conf

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+# Copyright 2021 Carlo Caione <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ZTEST=y
+CONFIG_MMU=y
+CONFIG_IPC_SERVICE=y
+CONFIG_MBOX=y

tests/subsys/ipc/ipc_sessions/remote/CMakeLists.txt

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(remote_icmsg)
+
+zephyr_include_directories(../common)
+
+FILE(GLOB remote_sources src/*.c)
+target_sources(app PRIVATE ${remote_sources})

tests/subsys/ipc/ipc_sessions/remote/Kconfig

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+source "Kconfig.zephyr"