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gpu: nvgpu: add API to query page table memhandles
Add API to query all memhandles used for pde and pte. - Some direct pde/pte allocation should also add entry to the pd-cache full list. - Add OS API for querying MemServ handle from nvgpu_mem. - Traverse through all pd-cache partial and full lists to get memhandles for all pde/pte buffers. Jira NVGPU-8284 Change-Id: I8e7adf1be1409264d24e17501eb7c32a81950728 Signed-off-by: Shashank Singh <shashsingh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2735657 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
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Shashank Singh
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@@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
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* Copyright (c) 2018-2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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@@ -937,63 +937,63 @@ static int test_pd_cache_env_init(struct unit_module *m,
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}
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struct unit_module_test pd_cache_tests[] = {
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UNIT_TEST(env_init, test_pd_cache_env_init, NULL, 0),
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UNIT_TEST(init, test_pd_cache_init, NULL, 0),
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UNIT_TEST(fini, test_pd_cache_fini, NULL, 0),
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UNIT_TEST(env_init, test_pd_cache_env_init, NULL, 2),
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UNIT_TEST(init, test_pd_cache_init, NULL, 2),
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UNIT_TEST(fini, test_pd_cache_fini, NULL, 2),
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/*
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* Requirement verification tests.
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*/
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UNIT_TEST_REQ("NVGPU-RQCD-68.C1,2", PD_CACHE_REQ1_UID, "V4",
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valid_alloc, test_pd_cache_valid_alloc, NULL, 0),
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valid_alloc, test_pd_cache_valid_alloc, NULL, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-68.C3", PD_CACHE_REQ1_UID, "V4",
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pd_packing, test_per_pd_size, do_test_pd_cache_packing_size, 0),
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pd_packing, test_per_pd_size, do_test_pd_cache_packing_size, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-118.C1", PD_CACHE_REQ2_UID, "V3",
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pd_reusability, test_per_pd_size, do_test_pd_reusability, 0),
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pd_reusability, test_per_pd_size, do_test_pd_reusability, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-122.C1", PD_CACHE_REQ3_UID, "V3",
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write, test_pd_write, NULL, 0),
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write, test_pd_write, NULL, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-123.C1", PD_CACHE_REQ4_UID, "V2",
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gpu_address, test_gpu_address, NULL, 0),
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gpu_address, test_gpu_address, NULL, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-126.C1,2", PD_CACHE_REQ5_UID, "V1",
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offset_comp, test_offset_computation, NULL, 0),
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offset_comp, test_offset_computation, NULL, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-124.C1", PD_CACHE_REQ6_UID, "V3",
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init_deinit, test_init_deinit, NULL, 0),
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init_deinit, test_init_deinit, NULL, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-155.C1", PD_CACHE_REQ7_UID, "V2",
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multi_init, test_init_deinit, NULL, 0),
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multi_init, test_init_deinit, NULL, 2),
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UNIT_TEST_REQ("NVGPU-RQCD-125.C1", PD_CACHE_REQ8_UID, "V2",
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deinit, test_init_deinit, NULL, 0),
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deinit, test_init_deinit, NULL, 2),
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/*
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* Direct allocs.
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*/
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UNIT_TEST(alloc_direct_1xPAGE, test_pd_cache_alloc_gen, &alloc_direct_1xPAGE, 0),
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UNIT_TEST(alloc_direct_1024xPAGE, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE, 0),
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UNIT_TEST(alloc_direct_1x16PAGE, test_pd_cache_alloc_gen, &alloc_direct_1x16PAGE, 0),
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UNIT_TEST(alloc_direct_1024x16PAGE, test_pd_cache_alloc_gen, &alloc_direct_1024x16PAGE, 0),
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UNIT_TEST(alloc_direct_1024xPAGE_x32x24, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x32x24, 0),
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UNIT_TEST(alloc_direct_1024xPAGE_x16x4, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x16x4, 0),
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UNIT_TEST(alloc_direct_1024xPAGE_x16x15, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x16x15, 0),
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UNIT_TEST(alloc_direct_1024xPAGE_x16x1, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x16x1, 0),
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UNIT_TEST(alloc_direct_1xPAGE, test_pd_cache_alloc_gen, &alloc_direct_1xPAGE, 2),
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UNIT_TEST(alloc_direct_1024xPAGE, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE, 2),
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UNIT_TEST(alloc_direct_1x16PAGE, test_pd_cache_alloc_gen, &alloc_direct_1x16PAGE, 2),
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UNIT_TEST(alloc_direct_1024x16PAGE, test_pd_cache_alloc_gen, &alloc_direct_1024x16PAGE, 2),
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UNIT_TEST(alloc_direct_1024xPAGE_x32x24, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x32x24, 2),
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UNIT_TEST(alloc_direct_1024xPAGE_x16x4, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x16x4, 2),
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UNIT_TEST(alloc_direct_1024xPAGE_x16x15, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x16x15, 2),
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UNIT_TEST(alloc_direct_1024xPAGE_x16x1, test_pd_cache_alloc_gen, &alloc_direct_1024xPAGE_x16x1, 2),
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/*
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* Cached allocs.
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*/
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UNIT_TEST(alloc_1x256B, test_pd_cache_alloc_gen, &alloc_1x256B, 0),
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UNIT_TEST(alloc_1x512B, test_pd_cache_alloc_gen, &alloc_1x512B, 0),
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UNIT_TEST(alloc_1x1024B, test_pd_cache_alloc_gen, &alloc_1x1024B, 0),
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UNIT_TEST(alloc_1x2048B, test_pd_cache_alloc_gen, &alloc_1x2048B, 0),
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UNIT_TEST(alloc_1024x256B_x16x15, test_pd_cache_alloc_gen, &alloc_1024x256B_x16x15, 0),
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UNIT_TEST(alloc_1024x256B_x16x1, test_pd_cache_alloc_gen, &alloc_1024x256B_x16x1, 0),
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UNIT_TEST(alloc_1024x256B_x32x1, test_pd_cache_alloc_gen, &alloc_1024x256B_x32x1, 0),
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UNIT_TEST(alloc_1024x256B_x11x3, test_pd_cache_alloc_gen, &alloc_1024x256B_x11x3, 0),
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UNIT_TEST(alloc_1x256B, test_pd_cache_alloc_gen, &alloc_1x256B, 2),
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UNIT_TEST(alloc_1x512B, test_pd_cache_alloc_gen, &alloc_1x512B, 2),
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UNIT_TEST(alloc_1x1024B, test_pd_cache_alloc_gen, &alloc_1x1024B, 2),
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UNIT_TEST(alloc_1x2048B, test_pd_cache_alloc_gen, &alloc_1x2048B, 2),
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UNIT_TEST(alloc_1024x256B_x16x15, test_pd_cache_alloc_gen, &alloc_1024x256B_x16x15, 2),
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UNIT_TEST(alloc_1024x256B_x16x1, test_pd_cache_alloc_gen, &alloc_1024x256B_x16x1, 2),
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UNIT_TEST(alloc_1024x256B_x32x1, test_pd_cache_alloc_gen, &alloc_1024x256B_x32x1, 2),
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UNIT_TEST(alloc_1024x256B_x11x3, test_pd_cache_alloc_gen, &alloc_1024x256B_x11x3, 2),
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/*
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* Error path testing.
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*/
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UNIT_TEST(free_empty, test_pd_free_empty_pd, NULL, 0),
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UNIT_TEST(invalid_pd_alloc, test_pd_alloc_invalid_input, NULL, 0),
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UNIT_TEST(alloc_direct_oom, test_pd_alloc_direct_fi, NULL, 0),
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UNIT_TEST(alloc_oom, test_pd_alloc_fi, NULL, 0),
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UNIT_TEST(free_empty, test_pd_free_empty_pd, NULL, 2),
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UNIT_TEST(invalid_pd_alloc, test_pd_alloc_invalid_input, NULL, 2),
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UNIT_TEST(alloc_direct_oom, test_pd_alloc_direct_fi, NULL, 2),
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UNIT_TEST(alloc_oom, test_pd_alloc_fi, NULL, 2),
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};
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UNIT_MODULE(pd_cache, pd_cache_tests, UNIT_PRIO_NVGPU_TEST);
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