Searched refs:uffdio_api (Results 1 – 6 of 6) sorted by relevance
| /Linux-v5.15/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-v5.15/tools/testing/selftests/kvm/ |
| D | demand_paging_test.c | 226 struct uffdio_api uffdio_api; in setup_demand_paging() local
250 uffdio_api.api = UFFD_API; in setup_demand_paging()
251 uffdio_api.features = 0; in setup_demand_paging()
252 TEST_ASSERT(ioctl(uffd, UFFDIO_API, &uffdio_api) != -1, in setup_demand_paging()
254 (uint64_t)uffdio_api.api); in setup_demand_paging()
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| /Linux-v5.15/fs/ |
| D | userfaultfd.c | 1927 struct uffdio_api uffdio_api; in userfaultfd_api() local
1934 if (copy_from_user(&uffdio_api, buf, sizeof(uffdio_api))) in userfaultfd_api()
1936 features = uffdio_api.features; in userfaultfd_api()
1938 if (uffdio_api.api != UFFD_API || (features & ~UFFD_API_FEATURES)) in userfaultfd_api()
1944 uffdio_api.features = UFFD_API_FEATURES; in userfaultfd_api()
1946 uffdio_api.features &= in userfaultfd_api()
1950 uffdio_api.features &= ~UFFD_FEATURE_PAGEFAULT_FLAG_WP; in userfaultfd_api()
1952 uffdio_api.ioctls = UFFD_API_IOCTLS; in userfaultfd_api()
1954 if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api))) in userfaultfd_api()
1967 memset(&uffdio_api, 0, sizeof(uffdio_api)); in userfaultfd_api()
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| /Linux-v5.15/include/uapi/linux/ |
| D | userfaultfd.h | 71 struct uffdio_api)
142 struct uffdio_api { struct
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| /Linux-v5.15/tools/testing/selftests/vm/ |
| D | userfaultfd.c | 350 struct uffdio_api uffdio_api; in userfaultfd_open() local
357 uffdio_api.api = UFFD_API; in userfaultfd_open()
358 uffdio_api.features = *features; in userfaultfd_open()
359 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in userfaultfd_open()
362 if (uffdio_api.api != UFFD_API) in userfaultfd_open()
363 err("UFFDIO_API error: %" PRIu64, (uint64_t)uffdio_api.api); in userfaultfd_open()
365 *features = uffdio_api.features; in userfaultfd_open()
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| /Linux-v5.15/Documentation/admin-guide/mm/ |
| D | userfaultfd.rst | 54 ``UFFDIO_API`` ioctl specifying a ``uffdio_api.api`` value set to ``UFFD_API`` (or
56 userland intends to speak on the ``UFFD`` and the ``uffdio_api.features``
58 requested ``uffdio_api.api`` is spoken also by the running kernel and the
60 ``uffdio_api.features`` and ``uffdio_api.ioctls`` two 64bit bitmasks of
64 The ``uffdio_api.features`` bitmask returned by the ``UFFDIO_API`` ioctl
88 ioctl should be invoked (if present in the returned ``uffdio_api.ioctls``
260 bits in ``uffdio_api.features`` passed to ``UFFDIO_API`` ioctl:
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