From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96E14C433F5 for ; Sat, 9 Oct 2021 01:33:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8193460FD7 for ; Sat, 9 Oct 2021 01:33:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244104AbhJIBfo (ORCPT ); Fri, 8 Oct 2021 21:35:44 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:13880 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244081AbhJIBfl (ORCPT ); Fri, 8 Oct 2021 21:35:41 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4HR6sN5jMhz902S; Sat, 9 Oct 2021 09:28:56 +0800 (CST) Received: from dggpeml100016.china.huawei.com (7.185.36.216) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Sat, 9 Oct 2021 09:33:43 +0800 Received: from DESKTOP-27KDQMV.china.huawei.com (10.174.148.223) by dggpeml100016.china.huawei.com (7.185.36.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Sat, 9 Oct 2021 09:33:42 +0800 From: "Longpeng(Mike)" To: , , CC: , , , , , , , , , Longpeng Subject: [PATCH v3 3/4] nitro_enclaves: Add KUnit tests setup for the misc device functionality Date: Sat, 9 Oct 2021 09:32:47 +0800 Message-ID: <20211009013248.1174-4-longpeng2@huawei.com> X-Mailer: git-send-email 2.25.0.windows.1 In-Reply-To: <20211009013248.1174-1-longpeng2@huawei.com> References: <20211009013248.1174-1-longpeng2@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.174.148.223] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpeml100016.china.huawei.com (7.185.36.216) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Longpeng Add the initial setup for the KUnit tests that will target the Nitro Enclaves misc device functionality. Signed-off-by: Longpeng --- Changes v2 -> v3: - update the commit title and commit message. [Andra] - use "misc_dev"/"misc device"/"MISC_DEV" to be more specific. [Andra] --- drivers/virt/nitro_enclaves/Kconfig | 9 +++++++++ drivers/virt/nitro_enclaves/ne_misc_dev.c | 27 ++++++++++++++++++++++++++ drivers/virt/nitro_enclaves/ne_misc_dev_test.c | 17 ++++++++++++++++ 3 files changed, 53 insertions(+) create mode 100644 drivers/virt/nitro_enclaves/ne_misc_dev_test.c diff --git a/drivers/virt/nitro_enclaves/Kconfig b/drivers/virt/nitro_enclaves/Kconfig index 8c9387a..90802b1 100644 --- a/drivers/virt/nitro_enclaves/Kconfig +++ b/drivers/virt/nitro_enclaves/Kconfig @@ -18,3 +18,12 @@ config NITRO_ENCLAVES To compile this driver as a module, choose M here. The module will be called nitro_enclaves. + +config NITRO_ENCLAVES_MISC_DEV_TEST + bool "Tests for the misc device functionality of the Nitro enclaves" + depends on NITRO_ENCLAVES && KUNIT=y + help + Enable KUnit tests for the misc device functionality of the Nitro + Enclaves. Select this option only if you will boot the kernel for + the purpose of running unit tests (e.g. under UML or qemu). If + unsure, say N. diff --git a/drivers/virt/nitro_enclaves/ne_misc_dev.c b/drivers/virt/nitro_enclaves/ne_misc_dev.c index a8fa56b..f895fc3 100644 --- a/drivers/virt/nitro_enclaves/ne_misc_dev.c +++ b/drivers/virt/nitro_enclaves/ne_misc_dev.c @@ -1756,8 +1756,33 @@ static long ne_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return 0; } +#if defined(CONFIG_NITRO_ENCLAVES_MISC_DEV_TEST) +#include "ne_misc_dev_test.c" + +static inline int ne_misc_dev_test_init(void) +{ + return __kunit_test_suites_init(ne_misc_dev_test_suites); +} + +static inline void ne_misc_dev_test_exit(void) +{ + __kunit_test_suites_exit(ne_misc_dev_test_suites); +} +#else +static inline int ne_misc_dev_test_init(void) +{ + return 0; +} + +static inline void ne_misc_dev_test_exit(void) +{ +} +#endif + static int __init ne_init(void) { + ne_misc_dev_test_init(); + mutex_init(&ne_cpu_pool.mutex); return pci_register_driver(&ne_pci_driver); @@ -1768,6 +1793,8 @@ static void __exit ne_exit(void) pci_unregister_driver(&ne_pci_driver); ne_teardown_cpu_pool(); + + ne_misc_dev_test_exit(); } module_init(ne_init); diff --git a/drivers/virt/nitro_enclaves/ne_misc_dev_test.c b/drivers/virt/nitro_enclaves/ne_misc_dev_test.c new file mode 100644 index 0000000..bcb755e --- /dev/null +++ b/drivers/virt/nitro_enclaves/ne_misc_dev_test.c @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include + +static struct kunit_case ne_misc_dev_test_cases[] = { + {} +}; + +static struct kunit_suite ne_misc_dev_test_suite = { + .name = "ne_misc_dev_test", + .test_cases = ne_misc_dev_test_cases, +}; + +static struct kunit_suite *ne_misc_dev_test_suites[] = { + &ne_misc_dev_test_suite, + NULL +}; -- 1.8.3.1