[igt-dev] [PATCH i-g-t 2/4] tests/gem_ctx_sseu: Dynamic (sub)slice programming tests
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Mon Jan 14 10:29:53 UTC 2019
From: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Verify that the per-context dynamic SSEU uAPI works as expected.
v2: Add subslice tests (Lionel)
Use MI_SET_PREDICATE for further verification when available (Lionel)
v3: Rename to gem_ctx_rpcs (Lionel)
v4: Update kernel API (Lionel)
Add 0 value test (Lionel)
Exercise invalid values (Lionel)
v5: Add perf tests (Lionel)
v6: Add new sysfs entry tests (Lionel)
v7: Test rsvd fields
Update for kernel series changes
v8: Drop test_no_sseu_support() test (Kelvin)
Drop drm_intel_*() apis (Chris)
v9: by Chris:
Drop all do_ioctl/do_ioctl_err()
Use gem_context_[gs]et_param()
Use gem_read() instead of mapping memory
by Lionel:
Test dynamic sseu on/off more
Tvrtko Ursulin:
v10:
* Various style tweaks and refactorings.
* New test coverage.
v11:
* Change platform support to just Gen11.
* Simplify availability test. (Chris Wilson)
* More invalid pointer tests. (Chris Wilson)
v12:
* Fix MAP_FIXED use (doh!).
* Fix get/set copy&paste errors.
* Drop supported platform test. (Chris Wilson)
* Add mmap__gtt test. (Chris Wilson)
v13:
* Commit message tweaks.
* Added reset/hang/suspend tests. (Chris Wilson)
* Assert spinner is busy. (Chris Wilson)
* Remove some more ABI assumptions. (Chris Wilson)
v14:
* Use default resume time. (Chris Wilson)
* Trigger hang after rpcs read batch has been submitted. (Chris Wilson)
v15:
* Adjust for uAPI restrictions.
v16:
* Build system changes.
v17:
* Remove all subtests which read the RPCS register. (Joonas Lahtinen)
v18:
* Tidy curly braces. (Joonas Lahtinen)
v19:
* Check flags/rsvd MBZ.
v20:
* Rebase for engine_class/engine_instance uapi change.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> # v14
Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
tests/Makefile.am | 1 +
tests/Makefile.sources | 3 +
tests/i915/gem_ctx_param.c | 4 +-
tests/i915/gem_ctx_sseu.c | 541 +++++++++++++++++++++++++++++++++++++
tests/meson.build | 8 +
5 files changed, 556 insertions(+), 1 deletion(-)
create mode 100644 tests/i915/gem_ctx_sseu.c
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 48d77535b6bd..42463bde7f30 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -111,6 +111,7 @@ gem_close_race_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
gem_close_race_LDADD = $(LDADD) -lpthread
gem_ctx_thrash_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
gem_ctx_thrash_LDADD = $(LDADD) -lpthread
+gem_ctx_sseu_LDADD = $(LDADD) $(top_builddir)/lib/libigt_perf.la
gem_exec_capture_LDADD = $(LDADD) -lz
gem_exec_parallel_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
gem_exec_parallel_LDADD = $(LDADD) -lpthread
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index eedde1e817cb..3dfeb5b67274 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -161,6 +161,9 @@ gem_ctx_isolation_SOURCES = i915/gem_ctx_isolation.c
TESTS_progs += gem_ctx_param
gem_ctx_param_SOURCES = i915/gem_ctx_param.c
+TESTS_progs += gem_ctx_sseu
+gem_ctx_sseu_SOURCES = i915/gem_ctx_sseu.c
+
TESTS_progs += gem_ctx_switch
gem_ctx_switch_SOURCES = i915/gem_ctx_switch.c
diff --git a/tests/i915/gem_ctx_param.c b/tests/i915/gem_ctx_param.c
index 0bbc5effbf9f..acc1e6297750 100644
--- a/tests/i915/gem_ctx_param.c
+++ b/tests/i915/gem_ctx_param.c
@@ -294,11 +294,13 @@ igt_main
set_priority(fd);
}
+ /* I915_CONTEXT_PARAM_SSEU tests are located in gem_ctx_sseu.c */
+
/* NOTE: This testcase intentionally tests for the next free parameter
* to catch ABI extensions. Don't "fix" this testcase without adding all
* the tests for the new param first.
*/
- arg.param = I915_CONTEXT_PARAM_PRIORITY + 1;
+ arg.param = I915_CONTEXT_PARAM_SSEU + 1;
igt_subtest("invalid-param-get") {
arg.ctx_id = ctx;
diff --git a/tests/i915/gem_ctx_sseu.c b/tests/i915/gem_ctx_sseu.c
new file mode 100644
index 000000000000..16609bee61c8
--- /dev/null
+++ b/tests/i915/gem_ctx_sseu.c
@@ -0,0 +1,541 @@
+/*
+ * Copyright © 2017-2018 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:
+ * Lionel Landwerlin <lionel.g.landwerlin at intel.com>
+ *
+ */
+
+#include "igt.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+
+#include "igt_dummyload.h"
+#include "igt_perf.h"
+#include "igt_sysfs.h"
+#include "ioctl_wrappers.h"
+
+IGT_TEST_DESCRIPTION("Test context render powergating programming.");
+
+static unsigned int __intel_gen__, __intel_devid__;
+static uint64_t __slice_mask__, __subslice_mask__;
+static unsigned int __slice_count__, __subslice_count__;
+
+static uint64_t mask_minus_one(uint64_t mask)
+{
+ unsigned int i;
+
+ for (i = 0; i < (sizeof(mask) * 8 - 1); i++) {
+ if ((1ULL << i) & mask)
+ return mask & ~(1ULL << i);
+ }
+
+ igt_assert(0);
+ return 0;
+}
+
+static uint64_t mask_plus_one(uint64_t mask)
+{
+ unsigned int i;
+
+ for (i = 0; i < (sizeof(mask) * 8 - 1); i++) {
+ if (((1ULL << i) & mask) == 0)
+ return mask | (1ULL << i);
+ }
+
+ igt_assert(0);
+ return 0;
+}
+
+static uint64_t mask_minus(uint64_t mask, int n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++)
+ mask = mask_minus_one(mask);
+
+ return mask;
+}
+
+static uint64_t mask_plus(uint64_t mask, int n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++)
+ mask = mask_plus_one(mask);
+
+ return mask;
+}
+
+static bool
+kernel_has_per_context_sseu_support(int fd)
+{
+ struct drm_i915_gem_context_param_sseu sseu = { };
+ struct drm_i915_gem_context_param arg = {
+ .param = I915_CONTEXT_PARAM_SSEU,
+ .size = sizeof(sseu),
+ .value = to_user_pointer(&sseu),
+ };
+ int ret;
+
+ if (__gem_context_get_param(fd, &arg))
+ return false;
+
+ arg.value = to_user_pointer(&sseu);
+
+ ret = __gem_context_set_param(fd, &arg);
+
+ igt_assert(ret == 0 || ret == -ENODEV || ret == -EINVAL);
+
+ return ret == 0;
+}
+
+static bool has_engine(int fd, unsigned int class, unsigned int instance)
+{
+ int pmu = perf_i915_open(I915_PMU_ENGINE_BUSY(class, instance));
+
+ if (pmu >= 0)
+ close(pmu);
+
+ return pmu >= 0;
+}
+
+/*
+ * Verify that invalid engines are rejected and valid ones are accepted.
+ */
+static void test_engines(int fd)
+{
+ struct drm_i915_gem_context_param_sseu sseu = { };
+ struct drm_i915_gem_context_param arg = {
+ .param = I915_CONTEXT_PARAM_SSEU,
+ .ctx_id = gem_context_create(fd),
+ .size = sizeof(sseu),
+ .value = to_user_pointer(&sseu)
+ };
+ unsigned int class, instance;
+ int last_with_engines;
+
+ /* get_param */
+
+ sseu.engine_instance = -1; /* Assumed invalid. */
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EINVAL);
+
+ sseu.engine_class = I915_ENGINE_CLASS_INVALID; /* Both invalid. */
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EINVAL);
+
+ sseu.engine_instance = 0; /* Class invalid. */
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EINVAL);
+ sseu.engine_class = I915_ENGINE_CLASS_RENDER;
+
+ last_with_engines = -1;
+ for (class = 0; class < ~0; class++) {
+ for (instance = 0; instance < ~0; instance++) {
+ int ret;
+
+ sseu.engine_class = class;
+ sseu.engine_instance = instance;
+
+ ret = __gem_context_get_param(fd, &arg);
+
+ if (has_engine(fd, class, instance)) {
+ igt_assert_eq(ret, 0);
+ last_with_engines = class;
+ } else {
+ igt_assert_eq(ret, -EINVAL);
+ if (instance > 8) /* Skip over some instance holes. */
+ break;
+ }
+ }
+
+ if (class - last_with_engines > 8) /* Skip over some class holes. */
+ break;
+ }
+
+ /*
+ * Get some proper values before trying to reprogram them onto
+ * an invalid engine.
+ */
+ sseu.engine_class = 0;
+ sseu.engine_instance = 0;
+ gem_context_get_param(fd, &arg);
+
+ /* set_param */
+
+ sseu.engine_instance = -1; /* Assumed invalid. */
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ sseu.engine_class = I915_ENGINE_CLASS_INVALID; /* Both invalid. */
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ sseu.engine_instance = 0; /* Class invalid. */
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ last_with_engines = -1;
+ for (class = 0; class < ~0; class++) {
+ for (instance = 0; instance < ~0; instance++) {
+ int ret;
+
+ sseu.engine_class = class;
+ sseu.engine_instance = instance;
+
+ ret = __gem_context_set_param(fd, &arg);
+
+ if (has_engine(fd, class, instance)) {
+ igt_assert(ret == 0 || ret == -ENODEV);
+ last_with_engines = class;
+ } else {
+ igt_assert_eq(ret, -EINVAL);
+ if (instance > 8) /* Skip over some instance holes. */
+ break;
+ }
+ }
+
+ if (class - last_with_engines > 8) /* Skip over some class holes. */
+ break;
+ }
+
+ gem_context_destroy(fd, arg.ctx_id);
+}
+
+/*
+ * Verify that invalid arguments are rejected.
+ */
+static void
+test_invalid_args(int fd)
+{
+ struct drm_i915_gem_context_param arg = {
+ .param = I915_CONTEXT_PARAM_SSEU,
+ .ctx_id = gem_context_create(fd),
+ };
+ struct drm_i915_gem_context_param_sseu sseu = { };
+ unsigned char *page[2];
+ unsigned char *addr;
+ unsigned int sz;
+
+ /* get param */
+
+ /* Invalid size. */
+ arg.size = 1;
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EINVAL);
+
+ /* Query size. */
+ arg.size = 0;
+ igt_assert_eq(__gem_context_get_param(fd, &arg), 0);
+ sz = arg.size;
+
+ /* Bad pointers. */
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EFAULT);
+ arg.value = -1;
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EFAULT);
+ arg.value = 1;
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EFAULT);
+
+ /* Unmapped. */
+ page[0] = mmap(0, 4096, PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ memset(page[0], 0, sizeof(sseu));
+ munmap(page[0], 4096);
+ arg.value = to_user_pointer(page[0]);
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EFAULT);
+
+ /* Straddle into unmapped area. */
+ page[0] = mmap(0, 8192, PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ munmap(page[0], 8192);
+ page[0] = mmap(page[0], 4096,
+ PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_FIXED, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ memset(page[0], 0, sizeof(sseu));
+ page[1] = mmap((void *)((unsigned long)page[0] + 4096), 4096,
+ PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_FIXED, -1, 0);
+ igt_assert(page[1] != MAP_FAILED);
+ memset(page[1], 0, sizeof(sseu));
+ munmap(page[1], 4096);
+ arg.value = to_user_pointer(page[1]) -
+ sizeof(struct drm_i915_gem_context_param_sseu) + 4;
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EFAULT);
+ munmap(page[0], 4096);
+
+ /* Straddle into read-only area. */
+ page[0] = mmap(0, 8192, PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ munmap(page[0], 8192);
+ page[0] = mmap(page[0], 4096,
+ PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_FIXED, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ memset(page[0], 0, sizeof(sseu));
+ page[1] = mmap((void *)((unsigned long)page[0] + 4096), 4096,
+ PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_FIXED, -1, 0);
+ igt_assert(page[1] != MAP_FAILED);
+ memset(page[1], 0, sizeof(sseu));
+ igt_assert(mprotect(page[1], 4096, PROT_READ) == 0);
+ arg.value = to_user_pointer(page[1] - sizeof(sseu) + 4);
+ igt_assert_eq(__gem_context_get_param(fd, &arg), -EFAULT);
+ munmap(page[0], 4096);
+ munmap(page[1], 4096);
+
+ /* set param */
+
+ /* Invalid sizes. */
+ arg.size = 1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ arg.size = 0;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ arg.size = sz;
+
+ /* Bad pointers. */
+ arg.value = 0;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EFAULT);
+ arg.value = -1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EFAULT);
+ arg.value = 1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EFAULT);
+
+ /* Get valid SSEU. */
+ arg.value = to_user_pointer(&sseu);
+ igt_assert_eq(__gem_context_get_param(fd, &arg), 0);
+
+ /* Invalid MBZ. */
+ sseu.flags = -1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ sseu.rsvd = -1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ sseu.flags = 0;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ sseu.rsvd = 0;
+
+ /* Unmapped. */
+ page[0] = mmap(0, 4096, PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ memcpy(page[0], &sseu, sizeof(sseu));
+ munmap(page[0], 4096);
+ arg.value = to_user_pointer(page[0]);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EFAULT);
+
+ /* Straddle into unmapped area. */
+ page[0] = mmap(0, 8192, PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ munmap(page[0], 8192);
+ page[0] = mmap(page[0], 4096,
+ PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_FIXED, -1, 0);
+ igt_assert(page[0] != MAP_FAILED);
+ page[1] = mmap((void *)((unsigned long)page[0] + 4096), 4096,
+ PROT_WRITE, MAP_PRIVATE | MAP_ANON | MAP_FIXED, -1, 0);
+ igt_assert(page[1] != MAP_FAILED);
+ addr = page[1] - sizeof(sseu) + 4;
+ memcpy(addr, &sseu, sizeof(sseu));
+ munmap(page[1], 4096);
+ arg.value = to_user_pointer(addr);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EFAULT);
+ munmap(page[0], 4096);
+
+ gem_context_destroy(fd, arg.ctx_id);
+}
+
+/*
+ * Verify that ggtt mapped area can be used as the sseu pointer.
+ */
+static void
+test_ggtt_args(int fd)
+{
+ struct drm_i915_gem_context_param_sseu *sseu;
+ struct drm_i915_gem_context_param arg = {
+ .param = I915_CONTEXT_PARAM_SSEU,
+ .ctx_id = gem_context_create(fd),
+ .size = sizeof(*sseu),
+ };
+ uint32_t bo;
+
+ bo = gem_create(fd, 4096);
+ arg.value = to_user_pointer(gem_mmap__gtt(fd, bo, 4096,
+ PROT_READ | PROT_WRITE));
+
+ igt_assert_eq(__gem_context_get_param(fd, &arg), 0);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), 0);
+
+ munmap((void *)arg.value, 4096);
+ gem_close(fd, bo);
+ gem_context_destroy(fd, arg.ctx_id);
+}
+
+/*
+ * Verify that invalid SSEU values are rejected.
+ */
+static void
+test_invalid_sseu(int fd)
+{
+ struct drm_i915_gem_context_param_sseu device_sseu = { };
+ struct drm_i915_gem_context_param_sseu sseu = { };
+ struct drm_i915_gem_context_param arg = {
+ .param = I915_CONTEXT_PARAM_SSEU,
+ .ctx_id = gem_context_create(fd),
+ .size = sizeof(sseu),
+ };
+ unsigned int i;
+
+ /* Fetch the device defaults. */
+ arg.value = to_user_pointer(&device_sseu);
+ gem_context_get_param(fd, &arg);
+
+ arg.value = to_user_pointer(&sseu);
+
+ /* Try all slice masks known to be invalid. */
+ sseu = device_sseu;
+ for (i = 1; i <= (8 - __slice_count__); i++) {
+ sseu.slice_mask = mask_plus(__slice_mask__, i);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ }
+
+ /* 0 slices. */
+ sseu.slice_mask = 0;
+ igt_assert_eq(-EINVAL, __gem_context_set_param(fd, &arg));
+
+ /* Try all subslice masks known to be invalid. */
+ sseu = device_sseu;
+ for (i = 1; i <= (8 - __subslice_count__); i++) {
+ sseu.subslice_mask = mask_plus(__subslice_mask__, i);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ }
+
+ /* 0 subslices. */
+ sseu.subslice_mask = 0;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ /* Try number of EUs superior to the max available. */
+ sseu = device_sseu;
+ sseu.min_eus_per_subslice = device_sseu.max_eus_per_subslice + 1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ sseu = device_sseu;
+ sseu.max_eus_per_subslice = device_sseu.max_eus_per_subslice + 1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ /* Try to program 0 max EUs. */
+ sseu = device_sseu;
+ sseu.max_eus_per_subslice = 0;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ /* Min > max */
+ sseu = device_sseu;
+ sseu.min_eus_per_subslice = sseu.max_eus_per_subslice;
+ sseu.max_eus_per_subslice = 1;
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ if (__intel_gen__ != 11)
+ goto out;
+
+ /* Subset of subslices but slice mask greater than one. */
+ if (__slice_count__ > 1) {
+ sseu = device_sseu;
+ sseu.subslice_mask = mask_minus_one(sseu.subslice_mask);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ }
+
+ /* Odd subslices above four. */
+ sseu = device_sseu;
+ sseu.slice_mask = 0x1;
+ sseu.subslice_mask = mask_minus_one(sseu.subslice_mask);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ /* More than half subslices with one slice. */
+ sseu = device_sseu;
+ sseu.slice_mask = 0x1;
+ sseu.subslice_mask = mask_minus(sseu.subslice_mask,
+ __subslice_count__ / 2 - 1);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+ /* VME */
+
+ /* Slice count between one and max. */
+ if (__slice_count__ > 2) {
+ sseu = device_sseu;
+ sseu.slice_mask = mask_minus_one(sseu.slice_mask);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+ }
+
+ /* Less than half subslices with one slice. */
+ sseu = device_sseu;
+ sseu.slice_mask = 0x1;
+ sseu.subslice_mask = mask_minus(sseu.subslice_mask,
+ __subslice_count__ / 2 + 1);
+ igt_assert_eq(__gem_context_set_param(fd, &arg), -EINVAL);
+
+out:
+ gem_context_destroy(fd, arg.ctx_id);
+}
+
+igt_main
+{
+ int fd;
+
+ igt_fixture {
+ fd = drm_open_driver(DRIVER_INTEL);
+ igt_require_gem(fd);
+
+ __intel_devid__ = intel_get_drm_devid(fd);
+ __intel_gen__ = intel_gen(__intel_devid__);
+
+ igt_require(kernel_has_per_context_sseu_support(fd));
+ }
+
+ igt_subtest_group {
+ igt_fixture {
+ drm_i915_getparam_t gp;
+
+ gp.param = I915_PARAM_SLICE_MASK;
+ gp.value = (int *) &__slice_mask__;
+ do_ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+ __slice_count__ = __builtin_popcount(__slice_mask__);
+
+ gp.param = I915_PARAM_SUBSLICE_MASK;
+ gp.value = (int *) &__subslice_mask__;
+ do_ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+ __subslice_count__ =
+ __builtin_popcount(__subslice_mask__);
+ }
+
+ igt_subtest("invalid-args")
+ test_invalid_args(fd);
+
+ igt_subtest("invalid-sseu")
+ test_invalid_sseu(fd);
+
+ igt_subtest("ggtt-args")
+ test_ggtt_args(fd);
+
+ igt_subtest("engines")
+ test_engines(fd);
+ }
+
+ igt_fixture {
+ close(fd);
+ }
+}
diff --git a/tests/meson.build b/tests/meson.build
index b8a6e61b3404..f41f724af8af 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -288,6 +288,14 @@ foreach prog : gem_progs + gen3_progs
test_list += prog
endforeach
+test_executables += executable('gem_ctx_sseu',
+ join_paths('i915', 'gem_ctx_sseu.c'),
+ dependencies : test_deps + [ lib_igt_perf ],
+ install_dir : libexecdir,
+ install_rpath : libexecdir_rpathdir,
+ install : true)
+test_progs += 'gem_ctx_sseu'
+
test_executables += executable('gem_eio',
join_paths('i915', 'gem_eio.c'),
dependencies : test_deps + [ realtime ],
--
2.19.1
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