23 static void test_file_read_write(int fd)  in test_file_read_write()  argument
27 	TEST_ASSERT(read(fd, buf, sizeof(buf)) < 0,  in test_file_read_write()
28 		    "read on a guest_mem fd should fail");  in test_file_read_write()
29 	TEST_ASSERT(write(fd, buf, sizeof(buf)) < 0,  in test_file_read_write()
30 		    "write on a guest_mem fd should fail");  in test_file_read_write()
31 	TEST_ASSERT(pread(fd, buf, sizeof(buf), 0) < 0,  in test_file_read_write()
32 		    "pread on a guest_mem fd should fail");  in test_file_read_write()
33 	TEST_ASSERT(pwrite(fd, buf, sizeof(buf), 0) < 0,  in test_file_read_write()
34 		    "pwrite on a guest_mem fd should fail");  in test_file_read_write()
37 static void test_mmap(int fd, size_t page_size)  in test_mmap()  argument
41 	mem = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);  in test_mmap()
45 static void test_file_size(int fd, size_t page_size, size_t total_size)  in test_file_size()  argument
50 	ret = fstat(fd, &sb);  in test_file_size()
56 static void test_fallocate(int fd, size_t page_size, size_t total_size)  in test_fallocate()  argument
60 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, 0, total_size);  in test_fallocate()
63 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,  in test_fallocate()
67 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, total_size, page_size);  in test_fallocate()
70 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, total_size + page_size, page_size);  in test_fallocate()
73 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,  in test_fallocate()
77 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,  in test_fallocate()
81 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,  in test_fallocate()
85 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,  in test_fallocate()
89 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE, page_size, page_size);  in test_fallocate()
93 static void test_invalid_punch_hole(int fd, size_t page_size, size_t total_size)  in test_invalid_punch_hole()  argument
115 		ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,  in test_invalid_punch_hole()
128 	int fd;  in test_create_guest_memfd_invalid()  local
131 		fd = __vm_create_guest_memfd(vm, size, 0);  in test_create_guest_memfd_invalid()
132 		TEST_ASSERT(fd == -1 && errno == EINVAL,  in test_create_guest_memfd_invalid()
138 		fd = __vm_create_guest_memfd(vm, page_size, flag);  in test_create_guest_memfd_invalid()
139 		TEST_ASSERT(fd == -1 && errno == EINVAL,  in test_create_guest_memfd_invalid()
177 	int fd;  in main()  local
190 	fd = vm_create_guest_memfd(vm, total_size, 0);  in main()
192 	test_file_read_write(fd);  in main()
193 	test_mmap(fd, page_size);  in main()
194 	test_file_size(fd, page_size, total_size);  in main()
195 	test_fallocate(fd, page_size, total_size);  in main()
196 	test_invalid_punch_hole(fd, page_size, total_size);  in main()
198 	close(fd);  in main()