43 	void *mem;  in test_mmap_cow()  local
45 	mem = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);  in test_mmap_cow()
46 	TEST_ASSERT(mem == MAP_FAILED, "Copy-on-write not allowed by guest_memfd.");  in test_mmap_cow()
52 	char *mem;  in test_mmap_supported()  local
56 	mem = kvm_mmap(total_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd);  in test_mmap_supported()
58 	memset(mem, val, total_size);  in test_mmap_supported()
60 		TEST_ASSERT_EQ(READ_ONCE(mem[i]), val);  in test_mmap_supported()
67 		TEST_ASSERT_EQ(READ_ONCE(mem[i]), 0x00);  in test_mmap_supported()
69 		TEST_ASSERT_EQ(READ_ONCE(mem[i]), val);  in test_mmap_supported()
71 	memset(mem, val, page_size);  in test_mmap_supported()
73 		TEST_ASSERT_EQ(READ_ONCE(mem[i]), val);  in test_mmap_supported()
75 	kvm_munmap(mem, total_size);  in test_mmap_supported()
81 	char *mem;  in test_fault_sigbus()  local
84 	mem = kvm_mmap(map_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd);  in test_fault_sigbus()
86 	TEST_EXPECT_SIGBUS(memset(mem, val, map_size));  in test_fault_sigbus()
87 	TEST_EXPECT_SIGBUS((void)READ_ONCE(mem[accessible_size]));  in test_fault_sigbus()
90 		TEST_ASSERT_EQ(READ_ONCE(mem[i]), val);  in test_fault_sigbus()
92 	kvm_munmap(mem, map_size);  in test_fault_sigbus()
107 	char *mem;  in test_mmap_not_supported()  local
109 	mem = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);  in test_mmap_not_supported()
110 	TEST_ASSERT_EQ(mem, MAP_FAILED);  in test_mmap_not_supported()
112 	mem = mmap(NULL, total_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);  in test_mmap_not_supported()
113 	TEST_ASSERT_EQ(mem, MAP_FAILED);  in test_mmap_not_supported()
311 static void guest_code(uint8_t *mem, uint64_t size)  in guest_code()  argument
316 		__GUEST_ASSERT(mem[i] == 0xaa,  in guest_code()
317 			       "Guest expected 0xaa at offset %lu, got 0x%x", i, mem[i]);  in guest_code()
319 	memset(mem, 0xff, size);  in guest_code()
335 	uint8_t *mem;  in test_guest_memfd_guest()  local
356 	mem = kvm_mmap(size, PROT_READ | PROT_WRITE, MAP_SHARED, fd);  in test_guest_memfd_guest()
357 	memset(mem, 0xaa, size);  in test_guest_memfd_guest()
358 	kvm_munmap(mem, size);  in test_guest_memfd_guest()
366 	mem = kvm_mmap(size, PROT_READ | PROT_WRITE, MAP_SHARED, fd);  in test_guest_memfd_guest()
368 		TEST_ASSERT_EQ(mem[i], 0xff);  in test_guest_memfd_guest()