Searched refs:uffdio_api (Results 1 – 9 of 9) sorted by relevance
| /linux-6.3-rc2/tools/testing/selftests/kvm/lib/ |
| A D | userfaultfd_util.c | 118 struct uffdio_api uffdio_api; in uffd_setup_demand_paging() local
137 uffdio_api.api = UFFD_API; in uffd_setup_demand_paging()
138 uffdio_api.features = 0; in uffd_setup_demand_paging()
139 TEST_ASSERT(ioctl(uffd, UFFDIO_API, &uffdio_api) != -1, in uffd_setup_demand_paging()
141 (uint64_t)uffdio_api.api); in uffd_setup_demand_paging()
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| /linux-6.3-rc2/tools/testing/selftests/mm/ |
| A D | ksm_functional_tests.c | 183 struct uffdio_api uffdio_api; in test_unmerge_uffd_wp() local
201 uffdio_api.api = UFFD_API; in test_unmerge_uffd_wp()
202 uffdio_api.features = UFFD_FEATURE_PAGEFAULT_FLAG_WP; in test_unmerge_uffd_wp()
203 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_unmerge_uffd_wp()
207 if (!(uffdio_api.features & UFFD_FEATURE_PAGEFAULT_FLAG_WP)) { in test_unmerge_uffd_wp()
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| A D | hugepage-mremap.c | 62 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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| A D | userfaultfd.c | 437 struct uffdio_api uffdio_api; in userfaultfd_open() local
449 uffdio_api.api = UFFD_API; in userfaultfd_open()
450 uffdio_api.features = *features; in userfaultfd_open()
451 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in userfaultfd_open()
454 if (uffdio_api.api != UFFD_API) in userfaultfd_open()
455 err("UFFDIO_API error: %" PRIu64, (uint64_t)uffdio_api.api); in userfaultfd_open()
457 *features = uffdio_api.features; in userfaultfd_open()
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| /linux-6.3-rc2/tools/testing/selftests/powerpc/tm/ |
| A 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-6.3-rc2/fs/ |
| A D | userfaultfd.c | 1949 struct uffdio_api uffdio_api; in userfaultfd_api() local
1956 if (copy_from_user(&uffdio_api, buf, sizeof(uffdio_api))) in userfaultfd_api()
1959 features = uffdio_api.features & UFFD_API_FEATURES; in userfaultfd_api()
1964 uffdio_api.features = UFFD_API_FEATURES; in userfaultfd_api()
1966 uffdio_api.features &= in userfaultfd_api()
1970 uffdio_api.features &= ~UFFD_FEATURE_PAGEFAULT_FLAG_WP; in userfaultfd_api()
1973 uffdio_api.features &= ~UFFD_FEATURE_WP_HUGETLBFS_SHMEM; in userfaultfd_api()
1975 uffdio_api.ioctls = UFFD_API_IOCTLS; in userfaultfd_api()
1977 if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api))) in userfaultfd_api()
1990 memset(&uffdio_api, 0, sizeof(uffdio_api)); in userfaultfd_api()
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| /linux-6.3-rc2/include/uapi/linux/ |
| A D | userfaultfd.h | 78 struct uffdio_api)
149 struct uffdio_api { struct
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| /linux-6.3-rc2/Documentation/admin-guide/mm/ |
| A 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
121 ioctl should be invoked (if present in the returned ``uffdio_api.ioctls``
293 bits in ``uffdio_api.features`` passed to ``UFFDIO_API`` ioctl:
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| /linux-6.3-rc2/tools/testing/selftests/bpf/prog_tests/ |
| A D | bpf_mod_race.c | 90 struct uffdio_api uffd_api = {}; in test_setup_uffd()
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