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author | Jack Diver <diverj@google.com> | 2022-09-02 11:38:04 +0000 |
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committer | Jack Diver <diverj@google.com> | 2022-09-02 14:33:02 +0000 |
commit | c30533582604fe0365bc3ce4e9e8e19dec3109da (patch) | |
tree | 2dc4d074c820b535e9f18b8cd81d7e91bff042e5 /mali_kbase/tests/mali_kutf_mgm_integration_test | |
parent | 88d7d984fed1c2a4358ce2bbc334e82d71e3a391 (diff) | |
download | gpu-c30533582604fe0365bc3ce4e9e8e19dec3109da.tar.gz |
Mali Valhall Android DDK r38p1-01eac0
VX504X08X-BU-00000-r38p1-01eac0 - Valhall Android DDK
VX504X08X-BU-60000-r38p1-01eac0 - Valhall Android Document Bundle
VX504X08X-DC-11001-r38p1-01eac0 - Valhall Android DDK Software Errata
VX504X08X-SW-99006-r38p1-01eac0 - Valhall Android Renderscript AOSP parts
Signed-off-by: Jack Diver <diverj@google.com>
Change-Id: I242060ad8ddc14475bda657cbbbe6b6c26ecfd57
Diffstat (limited to 'mali_kbase/tests/mali_kutf_mgm_integration_test')
3 files changed, 276 insertions, 0 deletions
diff --git a/mali_kbase/tests/mali_kutf_mgm_integration_test/Kbuild b/mali_kbase/tests/mali_kutf_mgm_integration_test/Kbuild new file mode 100644 index 0000000..e9bff98 --- /dev/null +++ b/mali_kbase/tests/mali_kutf_mgm_integration_test/Kbuild @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# (C) COPYRIGHT 2022 ARM Limited. All rights reserved. +# +# This program is free software and is provided to you under the terms of the +# GNU General Public License version 2 as published by the Free Software +# Foundation, and any use by you of this program is subject to the terms +# of such GNU license. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# + +ifeq ($(CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST),y) +obj-m += mali_kutf_mgm_integration_test.o + +mali_kutf_mgm_integration_test-y := mali_kutf_mgm_integration_test_main.o +endif diff --git a/mali_kbase/tests/mali_kutf_mgm_integration_test/build.bp b/mali_kbase/tests/mali_kutf_mgm_integration_test/build.bp new file mode 100644 index 0000000..2e4a083 --- /dev/null +++ b/mali_kbase/tests/mali_kutf_mgm_integration_test/build.bp @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * + * (C) COPYRIGHT 2022 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms + * of such GNU license. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, you can access it online at + * http://www.gnu.org/licenses/gpl-2.0.html. + * + */ +bob_kernel_module { + name: "mali_kutf_mgm_integration_test", + defaults: [ + "mali_kbase_shared_config_defaults", + "kernel_test_configs", + "kernel_test_includes", + ], + srcs: [ + "Kbuild", + "mali_kutf_mgm_integration_test_main.c", + ], + extra_symbols: [ + "mali_kbase", + "kutf", + ], + enabled: false, + mali_kutf_mgm_integration_test: { + kbuild_options: ["CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST=y"], + enabled: true, + }, +}
\ No newline at end of file diff --git a/mali_kbase/tests/mali_kutf_mgm_integration_test/mali_kutf_mgm_integration_test_main.c b/mali_kbase/tests/mali_kutf_mgm_integration_test/mali_kutf_mgm_integration_test_main.c new file mode 100644 index 0000000..5a42bd6 --- /dev/null +++ b/mali_kbase/tests/mali_kutf_mgm_integration_test/mali_kutf_mgm_integration_test_main.c @@ -0,0 +1,210 @@ +// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +/* + * + * (C) COPYRIGHT 2022 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms + * of such GNU license. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, you can access it online at + * http://www.gnu.org/licenses/gpl-2.0.html. + * + */ +#include <linux/module.h> +#include "mali_kbase.h" +#include <kutf/kutf_suite.h> +#include <kutf/kutf_utils.h> +#include <kutf/kutf_helpers.h> +#include <kutf/kutf_helpers_user.h> + +#define MINOR_FOR_FIRST_KBASE_DEV (-1) + +#define BASE_MEM_GROUP_COUNT (16) +#define PA_MAX ((1ULL << 48) - 1) +#define PA_START_BIT 12 +#define ENTRY_ACCESS_BIT (1ULL << 10) + +#define ENTRY_IS_ATE_L3 3ULL +#define ENTRY_IS_ATE_L02 1ULL + +#define MGM_INTEGRATION_SUITE_NAME "mgm_integration" +#define MGM_INTEGRATION_PTE_TRANSLATION "pte_translation" + +static char msg_buf[KUTF_MAX_LINE_LENGTH]; + +/* KUTF test application pointer for this test */ +struct kutf_application *mgm_app; + +/** + * struct kutf_mgm_fixture_data - test fixture used by test functions + * @kbdev: kbase device for the GPU. + * @group_id: Memory group ID to test based on fixture index. + */ +struct kutf_mgm_fixture_data { + struct kbase_device *kbdev; + int group_id; +}; + +/** + * mali_kutf_mgm_pte_translation_test() - Tests forward and reverse translation + * of PTE by the MGM module + * @context: KUTF context within which to perform the test. + * + * This test creates PTEs with physical addresses in the range + * 0x0000-0xFFFFFFFFF000 and tests that mgm_update_gpu_pte() returns a different + * PTE and mgm_pte_to_original_pte() returns the original PTE. This is tested + * at MMU level 2 and 3 as mgm_update_gpu_pte() is called for ATEs only. + * + * This test is run for a specific group_id depending on the fixture_id. + */ +static void mali_kutf_mgm_pte_translation_test(struct kutf_context *context) +{ + struct kutf_mgm_fixture_data *data = context->fixture; + struct kbase_device *kbdev = data->kbdev; + struct memory_group_manager_device *mgm_dev = kbdev->mgm_dev; + u64 addr; + + for (addr = 1 << (PA_START_BIT - 1); addr <= PA_MAX; addr <<= 1) { + /* Mask 1 << 11 by ~0xFFF to get 0x0000 at first iteration */ + phys_addr_t pa = addr; + u8 mmu_level; + + /* Test MMU level 3 and 2 (2MB pages) only */ + for (mmu_level = MIDGARD_MMU_LEVEL(2); mmu_level <= MIDGARD_MMU_LEVEL(3); + mmu_level++) { + u64 translated_pte; + u64 returned_pte; + u64 original_pte; + + if (mmu_level == MIDGARD_MMU_LEVEL(3)) + original_pte = + (pa & PAGE_MASK) | ENTRY_ACCESS_BIT | ENTRY_IS_ATE_L3; + else + original_pte = + (pa & PAGE_MASK) | ENTRY_ACCESS_BIT | ENTRY_IS_ATE_L02; + + dev_dbg(kbdev->dev, "Testing group_id=%u, mmu_level=%u, pte=0x%llx\n", + data->group_id, mmu_level, original_pte); + + translated_pte = mgm_dev->ops.mgm_update_gpu_pte(mgm_dev, data->group_id, + mmu_level, original_pte); + if (translated_pte == original_pte) { + snprintf( + msg_buf, sizeof(msg_buf), + "PTE unchanged. translated_pte (0x%llx) == original_pte (0x%llx) for mmu_level=%u, group_id=%d", + translated_pte, original_pte, mmu_level, data->group_id); + kutf_test_fail(context, msg_buf); + return; + } + + returned_pte = mgm_dev->ops.mgm_pte_to_original_pte( + mgm_dev, data->group_id, mmu_level, translated_pte); + dev_dbg(kbdev->dev, "\treturned_pte=%llx\n", returned_pte); + + if (returned_pte != original_pte) { + snprintf( + msg_buf, sizeof(msg_buf), + "Original PTE not returned. returned_pte (0x%llx) != origin al_pte (0x%llx) for mmu_level=%u, group_id=%d", + returned_pte, original_pte, mmu_level, data->group_id); + kutf_test_fail(context, msg_buf); + return; + } + } + } + snprintf(msg_buf, sizeof(msg_buf), "Translation passed for group_id=%d", data->group_id); + kutf_test_pass(context, msg_buf); +} + +/** + * mali_kutf_mgm_integration_create_fixture() - Creates the fixture data + * required for all tests in the mgm integration suite. + * @context: KUTF context. + * + * Return: Fixture data created on success or NULL on failure + */ +static void *mali_kutf_mgm_integration_create_fixture(struct kutf_context *context) +{ + struct kutf_mgm_fixture_data *data; + struct kbase_device *kbdev; + + pr_debug("Finding kbase device\n"); + kbdev = kbase_find_device(MINOR_FOR_FIRST_KBASE_DEV); + if (kbdev == NULL) { + kutf_test_fail(context, "Failed to find kbase device"); + return NULL; + } + pr_debug("Creating fixture\n"); + + data = kutf_mempool_alloc(&context->fixture_pool, sizeof(struct kutf_mgm_fixture_data)); + if (!data) + return NULL; + data->kbdev = kbdev; + data->group_id = context->fixture_index; + + pr_debug("Fixture created\n"); + return data; +} + +/** + * mali_kutf_mgm_integration_remove_fixture() - Destroy fixture data previously + * created by mali_kutf_mgm_integration_create_fixture. + * @context: KUTF context. + */ +static void mali_kutf_mgm_integration_remove_fixture(struct kutf_context *context) +{ + struct kutf_mgm_fixture_data *data = context->fixture; + struct kbase_device *kbdev = data->kbdev; + + kbase_release_device(kbdev); +} + +/** + * mali_kutf_mgm_integration_test_main_init() - Module entry point for this test. + * + * Return: 0 on success, error code on failure. + */ +static int __init mali_kutf_mgm_integration_test_main_init(void) +{ + struct kutf_suite *suite; + + mgm_app = kutf_create_application("mgm"); + + if (mgm_app == NULL) { + pr_warn("Creation of mgm KUTF app failed!\n"); + return -ENOMEM; + } + suite = kutf_create_suite(mgm_app, MGM_INTEGRATION_SUITE_NAME, BASE_MEM_GROUP_COUNT, + mali_kutf_mgm_integration_create_fixture, + mali_kutf_mgm_integration_remove_fixture); + if (suite == NULL) { + pr_warn("Creation of %s suite failed!\n", MGM_INTEGRATION_SUITE_NAME); + kutf_destroy_application(mgm_app); + return -ENOMEM; + } + kutf_add_test(suite, 0x0, MGM_INTEGRATION_PTE_TRANSLATION, + mali_kutf_mgm_pte_translation_test); + return 0; +} + +/** + * mali_kutf_mgm_integration_test_main_exit() - Module exit point for this test. + */ +static void __exit mali_kutf_mgm_integration_test_main_exit(void) +{ + kutf_destroy_application(mgm_app); +} + +module_init(mali_kutf_mgm_integration_test_main_init); +module_exit(mali_kutf_mgm_integration_test_main_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("ARM Ltd."); +MODULE_VERSION("1.0"); |