/linux-6.12.1/tools/testing/selftests/mm/ |
D | hugepage-mremap.c | 65 struct uffdio_api uffdio_api; in register_region_with_uffd() local 73 uffdio_api.api = UFFD_API; in register_region_with_uffd() 74 uffdio_api.features = 0; in register_region_with_uffd() 75 if (ioctl(uffd, UFFDIO_API, &uffdio_api) == -1) in register_region_with_uffd()
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D | uffd-common.c | 239 struct uffdio_api uffdio_api; in userfaultfd_open() local 246 uffdio_api.api = UFFD_API; in userfaultfd_open() 247 uffdio_api.features = *features; in userfaultfd_open() 248 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in userfaultfd_open() 251 if (uffdio_api.api != UFFD_API) in userfaultfd_open() 252 err("UFFDIO_API error: %" PRIu64, (uint64_t)uffdio_api.api); in userfaultfd_open() 254 *features = uffdio_api.features; in userfaultfd_open() 691 struct uffdio_api uffdio_api = { .api = UFFD_API, .features = 0 }; in uffd_get_features() local 705 if (ioctl(fd, UFFDIO_API, &uffdio_api)) { in uffd_get_features() 710 *features = uffdio_api.features; in uffd_get_features()
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D | mkdirty.c | 272 struct uffdio_api uffdio_api; in test_uffdio_copy() local 292 uffdio_api.api = UFFD_API; in test_uffdio_copy() 293 uffdio_api.features = 0; in test_uffdio_copy() 294 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_uffdio_copy()
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D | ksm_functional_tests.c | 376 struct uffdio_api uffdio_api; in test_unmerge_uffd_wp() local 394 uffdio_api.api = UFFD_API; in test_unmerge_uffd_wp() 395 uffdio_api.features = UFFD_FEATURE_PAGEFAULT_FLAG_WP; in test_unmerge_uffd_wp() 396 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_unmerge_uffd_wp() 400 if (!(uffdio_api.features & UFFD_FEATURE_PAGEFAULT_FLAG_WP)) { in test_unmerge_uffd_wp()
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D | uffd-unit-tests.c | 128 struct uffdio_api uffdio_api; in test_uffd_api() local 144 uffdio_api.api = 0xab; in test_uffd_api() 145 uffdio_api.features = 0; in test_uffd_api() 146 if (ioctl(uffd, UFFDIO_API, &uffdio_api) == 0) { in test_uffd_api() 152 uffdio_api.api = UFFD_API; in test_uffd_api() 153 uffdio_api.features = BIT_ULL(63); in test_uffd_api() 154 if (ioctl(uffd, UFFDIO_API, &uffdio_api) == 0) { in test_uffd_api() 160 uffdio_api.api = UFFD_API; in test_uffd_api() 161 uffdio_api.features = 0; in test_uffd_api() 162 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) { in test_uffd_api() [all …]
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D | pagemap_ioctl.c | 94 struct uffdio_api uffdio_api; in init_uffd() local 100 uffdio_api.api = UFFD_API; in init_uffd() 101 uffdio_api.features = UFFD_FEATURE_WP_UNPOPULATED | UFFD_FEATURE_WP_ASYNC | in init_uffd() 103 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in init_uffd() 106 if (!(uffdio_api.api & UFFDIO_REGISTER_MODE_WP) || in init_uffd() 107 !(uffdio_api.features & UFFD_FEATURE_WP_UNPOPULATED) || in init_uffd() 108 !(uffdio_api.features & UFFD_FEATURE_WP_ASYNC) || in init_uffd() 109 !(uffdio_api.features & UFFD_FEATURE_WP_HUGETLBFS_SHMEM)) in init_uffd()
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/linux-6.12.1/tools/testing/selftests/kvm/lib/ |
D | userfaultfd_util.c | 110 struct uffdio_api uffdio_api; in uffd_setup_demand_paging() local 140 uffdio_api.api = UFFD_API; in uffd_setup_demand_paging() 141 uffdio_api.features = 0; in uffd_setup_demand_paging() 142 TEST_ASSERT(ioctl(uffd, UFFDIO_API, &uffdio_api) != -1, in uffd_setup_demand_paging() 144 (uint64_t)uffdio_api.api); in uffd_setup_demand_paging()
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/linux-6.12.1/tools/testing/selftests/powerpc/tm/ |
D | tm-signal-pagefault.c | 141 struct uffdio_api uffdio_api; in setup_uf_mem() local 153 uffdio_api.api = UFFD_API; in setup_uf_mem() 154 uffdio_api.features = 0; in setup_uf_mem() 155 if (ioctl(uffd, UFFDIO_API, &uffdio_api) == -1) { in setup_uf_mem()
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/linux-6.12.1/fs/ |
D | userfaultfd.c | 1932 struct uffdio_api uffdio_api; in userfaultfd_api() local 1939 if (copy_from_user(&uffdio_api, buf, sizeof(uffdio_api))) in userfaultfd_api() 1941 features = uffdio_api.features; in userfaultfd_api() 1943 if (uffdio_api.api != UFFD_API) in userfaultfd_api() 1954 uffdio_api.features = UFFD_API_FEATURES; in userfaultfd_api() 1956 uffdio_api.features &= in userfaultfd_api() 1960 uffdio_api.features &= ~UFFD_FEATURE_PAGEFAULT_FLAG_WP; in userfaultfd_api() 1963 uffdio_api.features &= ~UFFD_FEATURE_WP_HUGETLBFS_SHMEM; in userfaultfd_api() 1964 uffdio_api.features &= ~UFFD_FEATURE_WP_UNPOPULATED; in userfaultfd_api() 1965 uffdio_api.features &= ~UFFD_FEATURE_WP_ASYNC; in userfaultfd_api() [all …]
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/linux-6.12.1/tools/testing/selftests/x86/ |
D | test_shadow_stack.c | 485 struct uffdio_api uffdio_api; in test_userfaultfd() local 504 uffdio_api.api = UFFD_API; in test_userfaultfd() 505 uffdio_api.features = 0; in test_userfaultfd() 506 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in test_userfaultfd()
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/linux-6.12.1/tools/include/uapi/linux/ |
D | userfaultfd.h | 87 struct uffdio_api) 162 struct uffdio_api { struct
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/linux-6.12.1/include/uapi/linux/ |
D | userfaultfd.h | 87 struct uffdio_api) 162 struct uffdio_api { struct
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/linux-6.12.1/Documentation/admin-guide/mm/ |
D | userfaultfd.rst | 87 ``UFFDIO_API`` ioctl specifying a ``uffdio_api.api`` value set to ``UFFD_API`` (or 89 userland intends to speak on the ``UFFD`` and the ``uffdio_api.features`` 91 requested ``uffdio_api.api`` is spoken also by the running kernel and the 93 ``uffdio_api.features`` and ``uffdio_api.ioctls`` two 64bit bitmasks of 97 The ``uffdio_api.features`` bitmask returned by the ``UFFDIO_API`` ioctl 124 ioctl should be invoked (if present in the returned ``uffdio_api.ioctls`` 371 bits in ``uffdio_api.features`` passed to ``UFFDIO_API`` ioctl:
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/linux-6.12.1/tools/testing/selftests/bpf/prog_tests/ |
D | bpf_mod_race.c | 66 struct uffdio_api uffd_api = {}; in test_setup_uffd()
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