Searched refs:uffdio_register (Results 1 – 6 of 6) sorted by relevance
| /Linux-v5.10/tools/testing/selftests/vm/ |
| D | userfaultfd.c | 593 struct uffdio_register uffd_reg; in uffd_poll_thread()
1034 struct uffdio_register uffdio_register; in userfaultfd_zeropage_test() local
1045 uffdio_register.range.start = (unsigned long) area_dst; in userfaultfd_zeropage_test()
1046 uffdio_register.range.len = nr_pages * page_size; in userfaultfd_zeropage_test()
1047 uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING; in userfaultfd_zeropage_test()
1049 uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP; in userfaultfd_zeropage_test()
1050 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) { in userfaultfd_zeropage_test()
1056 if ((uffdio_register.ioctls & expected_ioctls) != in userfaultfd_zeropage_test()
1077 struct uffdio_register uffdio_register; in userfaultfd_events_test() local
1097 uffdio_register.range.start = (unsigned long) area_dst; in userfaultfd_events_test()
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| /Linux-v5.10/tools/testing/selftests/powerpc/tm/ |
| D | tm-signal-pagefault.c | 142 struct uffdio_register uffdio_register; in setup_uf_mem() local
177 uffdio_register.range.start = (unsigned long) uf_mem; in setup_uf_mem()
178 uffdio_register.range.len = UF_MEM_SIZE; in setup_uf_mem()
179 uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING; in setup_uf_mem()
180 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register) == -1) { in setup_uf_mem()
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| /Linux-v5.10/tools/testing/selftests/kvm/ |
| D | demand_paging_test.c | 210 struct uffdio_register uffdio_register; in setup_demand_paging() local
225 uffdio_register.range.start = (uint64_t)hva; in setup_demand_paging()
226 uffdio_register.range.len = len; in setup_demand_paging()
227 uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING; in setup_demand_paging()
228 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register) == -1) { in setup_demand_paging()
233 if ((uffdio_register.ioctls & UFFD_API_RANGE_IOCTLS) != in setup_demand_paging()
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| /Linux-v5.10/fs/ |
| D | userfaultfd.c | 1267 struct uffdio_register uffdio_register; in userfaultfd_register() local
1268 struct uffdio_register __user *user_uffdio_register; in userfaultfd_register()
1274 user_uffdio_register = (struct uffdio_register __user *) arg; in userfaultfd_register()
1277 if (copy_from_user(&uffdio_register, user_uffdio_register, in userfaultfd_register()
1278 sizeof(uffdio_register)-sizeof(__u64))) in userfaultfd_register()
1282 if (!uffdio_register.mode) in userfaultfd_register()
1284 if (uffdio_register.mode & ~(UFFDIO_REGISTER_MODE_MISSING| in userfaultfd_register()
1288 if (uffdio_register.mode & UFFDIO_REGISTER_MODE_MISSING) in userfaultfd_register()
1290 if (uffdio_register.mode & UFFDIO_REGISTER_MODE_WP) in userfaultfd_register()
1293 ret = validate_range(mm, &uffdio_register.range.start, in userfaultfd_register()
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| /Linux-v5.10/include/uapi/linux/ |
| D | userfaultfd.h | 65 struct uffdio_register)
194 struct uffdio_register { struct
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| /Linux-v5.10/Documentation/admin-guide/mm/ |
| D | userfaultfd.rst | 87 uffdio_register structure accordingly. The ``uffdio_register.mode``
91 ``uffdio_register.ioctls`` bitmask of ioctls that are suitable to resolve
97 Userland can use the ``uffdio_register.ioctls`` to manage the virtual
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