diff options
| author | Krzysztof Niemiec <krzysztof.niemiec@intel.com> | 2024-08-12 14:31:02 +0200 |
|---|---|---|
| committer | Andi Shyti <andi.shyti@linux.intel.com> | 2024-08-12 16:01:57 +0200 |
| commit | 6fd88db39801f83dfa12e6d3a8a60bdbd1dc9e64 (patch) | |
| tree | 86dc0b78306c1b29afbdb9ea132fe0d72b935902 | |
| parent | ab5a857165a38212120c9c551b885663583dc5db (diff) | |
tests/intel/gem_mmap_offset: Introduce mmap-boundaries test
Introduce the mmap-boundaries test, which checks if mmap() correctly
calculates memory boundaries during the mapping.
Signed-off-by: Krzysztof Niemiec <krzysztof.niemiec@intel.com>
| -rw-r--r-- | tests/intel/gem_mmap_offset.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/intel/gem_mmap_offset.c b/tests/intel/gem_mmap_offset.c index 80ac8dc01..3eecc79de 100644 --- a/tests/intel/gem_mmap_offset.c +++ b/tests/intel/gem_mmap_offset.c @@ -63,6 +63,7 @@ * SUBTEST: perf * SUBTEST: pf-nonblock * SUBTEST: ptrace + * SUBTEST: mmap-boundaries * */ @@ -989,6 +990,30 @@ static void partial_remap(int i915, struct gem_memory_region *r) gem_close(i915, handle); } +/* This test's failure is detected by checking the dmesg. */ + +static void test_mmap_boundaries(int i915) +{ + const uint64_t map_size = SZ_128M - SZ_512K; + uint32_t handle; + uint8_t *map; + + handle = gem_create(i915, SZ_2G); + + for_each_mmap_offset_type(i915, t) { + map = __mmap_offset(i915, handle, 0, map_size, + PROT_READ | PROT_WRITE, t->type); + + igt_assert_f(map != NULL, "Failed to map\n"); + + memset(map + map_size - SZ_1K, 0xab, SZ_1K); + for (uint64_t i = 0; i < SZ_1K; i++) + igt_assert_eq(map[map_size - SZ_1K + i], 0xab); + + munmap(map, map_size); + } +} + static int mmap_gtt_version(int i915) { int gtt_version = -1; @@ -1082,6 +1107,10 @@ igt_main igt_subtest_f("blt-coherency") blt_coherency(i915); + igt_describe("Check for proper boundary calculation during mmap"); + igt_subtest("mmap-boundaries") + test_mmap_boundaries(i915); + igt_fixture { drm_close_driver(i915); } |