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Searched refs:uffd (Results 1 – 22 of 22) sorted by relevance

/tools/testing/selftests/kvm/lib/
A Duserfaultfd_util.c29 int uffd = reader_args->uffd; in uffd_handler_thread_fn() local
73 r = read(uffd, &msg, sizeof(msg)); in uffd_handler_thread_fn()
109 int uffd; in uffd_setup_demand_paging() local
154 uffd_desc->uffd = uffd; in uffd_setup_demand_paging()
165 uffd_desc->reader_args[i].uffd = uffd; in uffd_setup_demand_paging()
193 close(uffd->uffd); in uffd_stop_demand_paging()
196 close(uffd->pipefds[i]); in uffd_stop_demand_paging()
200 free(uffd->pipefds); in uffd_stop_demand_paging()
201 free(uffd->readers); in uffd_stop_demand_paging()
202 free(uffd->reader_args); in uffd_stop_demand_paging()
[all …]
/tools/testing/selftests/bpf/prog_tests/
A Dbpf_mod_race.c67 int uffd; in test_setup_uffd() local
70 if (uffd < 0) in test_setup_uffd()
76 close(uffd); in test_setup_uffd()
84 close(uffd); in test_setup_uffd()
87 return uffd; in test_setup_uffd()
97 int uffd, ret; in test_bpf_mod_race_config() local
156 close(uffd); in test_bpf_mod_race_config()
157 uffd = -1; in test_bpf_mod_race_config()
168 close(uffd); in test_bpf_mod_race_config()
169 uffd = -1; in test_bpf_mod_race_config()
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/tools/testing/selftests/powerpc/tm/
A Dtm-signal-pagefault.c86 long uffd; /* userfaultfd file descriptor */ in fault_handler_thread() local
91 uffd = (long) arg; in fault_handler_thread()
94 pollfd.fd = uffd; in fault_handler_thread()
101 nread = read(uffd, &msg, sizeof(msg)); in fault_handler_thread()
130 if (ioctl(uffd, UFFDIO_COPY, &uffdio_copy) == -1) { in fault_handler_thread()
139 long uffd; /* userfaultfd file descriptor */ in setup_uf_mem() local
148 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in setup_uf_mem()
149 if (uffd == -1) { in setup_uf_mem()
155 if (ioctl(uffd, UFFDIO_API, &uffdio_api) == -1) { in setup_uf_mem()
180 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register) == -1) { in setup_uf_mem()
[all …]
/tools/testing/selftests/mm/
A Duffd-unit-tests.c132 int uffd; in test_uffd_api() local
138 uffd = uffd_open_dev(UFFD_FLAGS); in test_uffd_api()
140 uffd = uffd_open_sys(UFFD_FLAGS); in test_uffd_api()
141 if (uffd < 0) { in test_uffd_api()
179 close(uffd); in test_uffd_api()
716 if (copy_page(uffd, offset, wp)) in faulting_process()
721 wp_range(uffd, in faulting_process()
1025 copy_page(uffd, offset, false); in uffd_poison_handle_fault()
1027 do_uffdio_poison(uffd, offset); in uffd_poison_handle_fault()
1112 if (move_page(uffd, offset, len)) in uffd_move_handle_fault_common()
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A Duffd-common.c242 if (uffd < 0) in userfaultfd_open()
285 if (uffd != -1) { in uffd_test_ctx_clear()
286 if (close(uffd)) in uffd_test_ctx_clear()
288 uffd = -1; in uffd_test_ctx_clear()
517 pollfd[0].fd = uffd; in uffd_poll_thread()
550 close(uffd); in uffd_poll_thread()
552 pollfd[0].fd = uffd; in uffd_poll_thread()
663 int fd, uffd; in uffd_open_dev() local
671 return uffd; in uffd_open_dev()
687 if (uffd < 0) in uffd_open()
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A Duffd-stress.c140 if (uffd_read_msg(uffd, &msg)) in uffd_read_thread()
159 copy_page_retry(uffd, page_nr * page_size); in background_thread()
175 copy_page_retry(uffd, page_nr * page_size); in background_thread()
287 fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK); in userfaultfd_stress()
289 fcntl(uffd, F_SETFL, uffd_flags & ~O_NONBLOCK); in userfaultfd_stress()
292 if (uffd_register(uffd, area_dst, mem_size, in userfaultfd_stress()
297 if (uffd_register(uffd, area_dst_alias, mem_size, in userfaultfd_stress()
338 wp_range(uffd, (unsigned long)area_dst, in userfaultfd_stress()
342 if (uffd_unregister(uffd, area_dst, mem_size)) in userfaultfd_stress()
424 close(uffd); in parse_test_type_arg()
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A Dhugepage-mremap.c64 long uffd; /* userfaultfd file descriptor */ in register_region_with_uffd() local
69 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in register_region_with_uffd()
70 if (uffd == -1) in register_region_with_uffd()
75 if (ioctl(uffd, UFFDIO_API, &uffdio_api) == -1) in register_region_with_uffd()
95 if (uffd_register(uffd, addr, len, true, false, false)) in register_region_with_uffd()
A D.gitignore30 uffd-stress
31 uffd-unit-tests
32 uffd-wp-mremap
A DMakefile91 TEST_GEN_FILES += uffd-stress
92 TEST_GEN_FILES += uffd-unit-tests
93 TEST_GEN_FILES += uffd-wp-mremap
163 $(OUTPUT)/uffd-stress: uffd-common.c
164 $(OUTPUT)/uffd-unit-tests: uffd-common.c
165 $(OUTPUT)/uffd-wp-mremap: uffd-common.c
A Dmkdirty.c275 int uffd; in test_uffdio_copy() local
288 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in test_uffdio_copy()
289 if (uffd < 0) { in test_uffdio_copy()
296 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_uffdio_copy()
304 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) { in test_uffdio_copy()
314 if (ioctl(uffd, UFFDIO_COPY, &uffdio_copy)) { in test_uffdio_copy()
321 close(uffd); in test_uffdio_copy()
A Dksm_functional_tests.c379 int uffd; in test_unmerge_uffd_wp() local
388 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in test_unmerge_uffd_wp()
389 if (uffd < 0) { in test_unmerge_uffd_wp()
397 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_unmerge_uffd_wp()
415 close(uffd); in test_unmerge_uffd_wp()
416 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in test_unmerge_uffd_wp()
417 if (uffd < 0) { in test_unmerge_uffd_wp()
425 if (ioctl(uffd, UFFDIO_API, &uffdio_api) < 0) { in test_unmerge_uffd_wp()
431 if (uffd_register(uffd, map, size, false, true, false)) { in test_unmerge_uffd_wp()
440 if (ioctl(uffd, UFFDIO_WRITEPROTECT, &uffd_writeprotect)) { in test_unmerge_uffd_wp()
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A Dvm_util.h89 int uffd_register(int uffd, void *addr, uint64_t len,
91 int uffd_unregister(int uffd, void *addr, uint64_t len);
92 int uffd_register_with_ioctls(int uffd, void *addr, uint64_t len,
A Duffd-wp-mremap.c191 if (uffd_register(uffd, mem, size, false, true, false)) { in test_one_folio()
198 if (ioctl(uffd, UFFDIO_WRITEPROTECT, &wp_prms)) { in test_one_folio()
245 if (uffd >= 0) { in test_one_folio()
246 close(uffd); in test_one_folio()
247 uffd = -1; in test_one_folio()
A Dvm_util.c342 int uffd_register_with_ioctls(int uffd, void *addr, uint64_t len, in uffd_register_with_ioctls() argument
360 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register) == -1) in uffd_register_with_ioctls()
368 int uffd_register(int uffd, void *addr, uint64_t len, in uffd_register() argument
371 return uffd_register_with_ioctls(uffd, addr, len, in uffd_register()
375 int uffd_unregister(int uffd, void *addr, uint64_t len) in uffd_unregister() argument
380 if (ioctl(uffd, UFFDIO_UNREGISTER, &range) == -1) in uffd_unregister()
A Duffd-common.h103 extern int uffd, uffd_flags, finished, *pipefd, test_type;
A Drun_vmtests.sh322 CATEGORY="userfaultfd" run_test ./uffd-unit-tests
323 uffd_stress_bin=./uffd-stress
349 CATEGORY="userfaultfd" run_test ./uffd-wp-mremap
A Dguard-regions.c1431 TEST_F(guard_regions, uffd) in TEST_F() argument
1434 int uffd; in TEST_F() local
1448 uffd = userfaultfd(0); in TEST_F()
1449 if (uffd == -1) { in TEST_F()
1464 ASSERT_NE(uffd, -1); in TEST_F()
1466 ASSERT_EQ(ioctl(uffd, UFFDIO_API, &api), 0); in TEST_F()
1478 ASSERT_EQ(ioctl(uffd, UFFDIO_REGISTER, &reg), 0); in TEST_F()
1491 ASSERT_EQ(ioctl(uffd, UFFDIO_UNREGISTER, &range), 0); in TEST_F()
1492 close(uffd); in TEST_F()
A Dpagemap_ioctl.c37 int uffd; variable
97 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK | UFFD_USER_MODE_ONLY); in init_uffd()
98 if (uffd == -1) in init_uffd()
99 return uffd; in init_uffd()
104 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in init_uffd()
124 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) in wp_init()
134 if (ioctl(uffd, UFFDIO_WRITEPROTECT, &wp)) in wp_init()
147 if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range)) in wp_free()
/tools/testing/selftests/kvm/include/
A Duserfaultfd_util.h15 typedef int (*uffd_handler_t)(int uffd_mode, int uffd, struct uffd_msg *msg);
19 int uffd; member
27 int uffd; member
40 void uffd_stop_demand_paging(struct uffd_desc *uffd);
/tools/testing/selftests/x86/
A Dtest_shadow_stack.c458 int uffd = *(int *)arg; in uffd_thread() local
463 ret = read(uffd, &msg, sizeof(msg)); in uffd_thread()
476 if (ioctl(uffd, UFFDIO_COPY, &req)) in uffd_thread()
489 int uffd; in test_userfaultfd() local
496 uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK); in test_userfaultfd()
497 if (uffd < 0) { in test_userfaultfd()
506 if (ioctl(uffd, UFFDIO_API, &uffdio_api)) in test_userfaultfd()
512 if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) in test_userfaultfd()
515 if (pthread_create(&thread, NULL, &uffd_thread, &uffd)) in test_userfaultfd()
536 close(uffd); in test_userfaultfd()
/tools/testing/selftests/kvm/
A Ddemand_paging_test.c57 static int handle_uffd_page_request(int uffd_mode, int uffd, in handle_uffd_page_request() argument
76 r = ioctl(uffd, UFFDIO_COPY, &copy); in handle_uffd_page_request()
100 r = ioctl(uffd, UFFDIO_CONTINUE, &cont); in handle_uffd_page_request()
/tools/testing/selftests/kvm/arm64/
A Dpage_fault_test.c309 static int uffd_generic_handler(int uffd_mode, int uffd, struct uffd_msg *msg, in uffd_generic_handler() argument
329 ret = ioctl(uffd, UFFDIO_COPY, &copy); in uffd_generic_handler()
342 static int uffd_pt_handler(int mode, int uffd, struct uffd_msg *msg) in uffd_pt_handler() argument
344 return uffd_generic_handler(mode, uffd, msg, &pt_args); in uffd_pt_handler()
347 static int uffd_data_handler(int mode, int uffd, struct uffd_msg *msg) in uffd_data_handler() argument
349 return uffd_generic_handler(mode, uffd, msg, &data_args); in uffd_data_handler()
399 static int uffd_no_handler(int mode, int uffd, struct uffd_msg *msg) in uffd_no_handler() argument
789 .name = SCAT4(uffd, _access, _with_af, #_mark_cmd), \

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