diff options
| -rw-r--r-- | tests/.gitignore | 1 | ||||
| -rw-r--r-- | tests/Makefile.sources | 1 | ||||
| -rw-r--r-- | tests/gem_bad_reloc.c | 116 |
3 files changed, 118 insertions, 0 deletions
diff --git a/tests/.gitignore b/tests/.gitignore index ea1f0f9e..4e27eadd 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -14,6 +14,7 @@ gem_bad_address gem_bad_batch gem_bad_blit gem_bad_length +gem_bad_reloc gem_basic gem_caching gem_close_race diff --git a/tests/Makefile.sources b/tests/Makefile.sources index 393c4a2a..4bdef365 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -17,6 +17,7 @@ NOUVEAU_TESTS_M = \ TESTS_progs_M = \ core_get_client_auth \ drv_suspend \ + gem_bad_reloc \ gem_basic \ gem_caching \ gem_close_race \ diff --git a/tests/gem_bad_reloc.c b/tests/gem_bad_reloc.c new file mode 100644 index 00000000..74649fcf --- /dev/null +++ b/tests/gem_bad_reloc.c @@ -0,0 +1,116 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Chris Wilson <chris@chris-wilson.co.uk> + * + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <inttypes.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include "drm.h" +#include "ioctl_wrappers.h" +#include "drmtest.h" +#include "intel_io.h" + +/* Simulates SNA behaviour using negative self-relocations for + * STATE_BASE_ADDRESS command packets. If they wrap around (to values greater + * than the total size of the GTT), the GPU will hang. + * See https://bugs.freedesktop.org/show_bug.cgi?id=78533 + */ +static int negative_reloc(int fd, uint32_t handle) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 gem_exec; + struct drm_i915_gem_relocation_entry gem_reloc[1000]; + uint64_t gtt_max = gem_aperture_size(fd); + uint32_t buf[1024]; + int i; + + memset(&gem_exec, 0, sizeof(gem_exec)); + gem_exec.handle = handle; + + memset(&execbuf, 0, sizeof(execbuf)); + execbuf.buffers_ptr = (uintptr_t)&gem_exec; + execbuf.buffer_count = 1; + execbuf.batch_len = 8; + + do_or_die(drmIoctl(fd, + DRM_IOCTL_I915_GEM_EXECBUFFER2, + &execbuf)); + + printf("Found offset %ld for 4k batch\n", (long)gem_exec.offset); + igt_require(gem_exec.offset < 16*1024*1024); + + memset(gem_reloc, 0, sizeof(gem_reloc)); + for (i = 0; i < sizeof(gem_reloc)/sizeof(gem_reloc[0]); i++) { + gem_reloc[i].offset = 8 + 4*i; + gem_reloc[i].delta = -16*1024*i; + gem_reloc[i].target_handle = handle; + gem_reloc[i].read_domains = I915_GEM_DOMAIN_COMMAND; + } + + gem_exec.relocation_count = 1000; + gem_exec.relocs_ptr = (uintptr_t)gem_reloc; + + do_or_die(drmIoctl(fd, + DRM_IOCTL_I915_GEM_EXECBUFFER2, + &execbuf)); + + gem_read(fd, handle, 0, buf, sizeof(buf)); + for (i = 0; i < sizeof(gem_reloc)/sizeof(gem_reloc[0]); i++) + igt_assert(buf[2 + i] < gtt_max); + + return 0; +} + +uint32_t batch[2] = {MI_BATCH_BUFFER_END}; +uint32_t handle; +int fd; + +igt_main +{ + igt_fixture { + fd = drm_open_any(); + + handle = gem_create(fd, 4096); + gem_write(fd, handle, 0, batch, sizeof(batch)); + } + + igt_subtest("negative-reloc") + negative_reloc(fd, handle); + + igt_fixture { + gem_close(fd, handle); + + close(fd); + } +} |