File: uvm_test.c

package info (click to toggle)
nvidia-open-gpu-kernel-modules 555.58.02-2
  • links: PTS, VCS
  • area: contrib
  • in suites: experimental
  • size: 89,204 kB
  • sloc: ansic: 1,149,014; cpp: 23,369; sh: 3,639; makefile: 607; python: 315
file content (316 lines) | stat: -rw-r--r-- 18,704 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
/*******************************************************************************
    Copyright (c) 2015-2023 NVIDIA 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 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.

*******************************************************************************/

#include "uvm_api.h"
#include "uvm_test.h"
#include "uvm_test_ioctl.h"
#include "uvm_global.h"
#include "uvm_va_space.h"
#include "uvm_va_space_mm.h"
#include "uvm_va_range.h"
#include "uvm_va_block.h"
#include "uvm_test_rng.h"
#include "uvm_kvmalloc.h"
#include "uvm_perf_events.h"
#include "uvm_tools.h"
#include "uvm_mmu.h"
#include "uvm_gpu_access_counters.h"
#include "uvm_pmm_sysmem.h"
#include "uvm_migrate_pageable.h"

static NV_STATUS uvm_test_get_gpu_ref_count(UVM_TEST_GET_GPU_REF_COUNT_PARAMS *params, struct file *filp)
{
    NvU64 retained_count = 0;
    uvm_gpu_t *gpu = NULL;

    uvm_mutex_lock(&g_uvm_global.global_lock);

    gpu = uvm_gpu_get_by_uuid(&params->gpu_uuid);
    if (gpu != NULL)
        retained_count = uvm_gpu_retained_count(gpu);

    uvm_mutex_unlock(&g_uvm_global.global_lock);

    params->ref_count = retained_count;
    return NV_OK;
}

static NV_STATUS uvm_test_peer_ref_count(UVM_TEST_PEER_REF_COUNT_PARAMS *params, struct file *filp)
{
    NvU64 registered_ref_count = 0;
    uvm_gpu_t *gpu0 = NULL;
    uvm_gpu_t *gpu1 = NULL;
    NV_STATUS status = NV_OK;

    uvm_mutex_lock(&g_uvm_global.global_lock);

    gpu0 = uvm_gpu_get_by_uuid(&params->gpu_uuid_1);
    gpu1 = uvm_gpu_get_by_uuid(&params->gpu_uuid_2);

    if (gpu0 != NULL && gpu1 != NULL) {
        uvm_gpu_peer_t *peer_caps = uvm_gpu_peer_caps(gpu0, gpu1);
        registered_ref_count = peer_caps->ref_count;
    }
    else {
        status = NV_ERR_INVALID_DEVICE;
    }

    uvm_mutex_unlock(&g_uvm_global.global_lock);

    params->ref_count = registered_ref_count;

    return status;
}

static NV_STATUS uvm_test_make_channel_stops_immediate(UVM_TEST_MAKE_CHANNEL_STOPS_IMMEDIATE_PARAMS *params,
                                                       struct file *filp)
{
    uvm_va_space_get(filp)->user_channel_stops_are_immediate = NV_TRUE;

    return NV_OK;
}

static NV_STATUS uvm_test_nv_kthread_q(UVM_TEST_NV_KTHREAD_Q_PARAMS *params, struct file *filp)
{
    // The nv-kthread-q system returns 0 or -1, because it is not actually
    // part of UVM. UVM needs to run this test, because otherwise, the
    // nv-kthread-q code would not get adequate test coverage. That's because
    // UVM is the first user of nv-kthread-q.
    int result = nv_kthread_q_run_self_test();
    if (result == 0)
        return NV_OK;

    return NV_ERR_INVALID_STATE;
}

// Callers of this function should ensure that node is not NUMA_NO_NODE in order
// to avoid overrunning the kernel's node to cpumask map.
static NV_STATUS uvm_test_verify_bh_affinity(uvm_intr_handler_t *isr, int node)
{
    UVM_ASSERT(node != NUMA_NO_NODE);

    // If the bottom half has been executed but its cpus_used_mask is empty
    // something obviously went wrong. Otherwise, check that the CPUs on which
    // the bottom half was executed is a subset of the NUMA node's cpumask.
    if ((isr->stats.bottom_half_count && cpumask_empty(&isr->stats.cpus_used_mask)) ||
        !cpumask_subset(&isr->stats.cpus_used_mask, uvm_cpumask_of_node(node))) {
        UVM_TEST_PRINT("ISR BH cpu mask check failed! BH ran on CPU cores outside NUMA %u\n",
                       node);
        return NV_ERR_INVALID_STATE;
    }
    return NV_OK;
}

static NV_STATUS uvm_test_numa_check_affinity(UVM_TEST_NUMA_CHECK_AFFINITY_PARAMS *params, struct file *filp)
{
    uvm_gpu_t *gpu;
    NV_STATUS status;
    uvm_rm_user_object_t user_rm_va_space = {
        .rm_control_fd = -1,
        .user_client = params->client,
        .user_object = params->smc_part_ref
    };

    if (!UVM_THREAD_AFFINITY_SUPPORTED())
        return NV_ERR_NOT_SUPPORTED;

    status = uvm_gpu_retain_by_uuid(&params->gpu_uuid, &user_rm_va_space, &gpu);
    if (status != NV_OK)
        return status;

    // If the GPU is not attached to a NUMA node, there is nothing to do.
    if (gpu->parent->closest_cpu_numa_node == NUMA_NO_NODE) {
        status = NV_ERR_NOT_SUPPORTED;
        goto release;
    }

    if (gpu->parent->replayable_faults_supported) {
        uvm_parent_gpu_replayable_faults_isr_lock(gpu->parent);
        status = uvm_test_verify_bh_affinity(&gpu->parent->isr.replayable_faults,
                                              gpu->parent->closest_cpu_numa_node);
        uvm_parent_gpu_replayable_faults_isr_unlock(gpu->parent);
        if (status != NV_OK)
            goto release;

        if (gpu->parent->non_replayable_faults_supported) {
            uvm_parent_gpu_non_replayable_faults_isr_lock(gpu->parent);
            status = uvm_test_verify_bh_affinity(&gpu->parent->isr.non_replayable_faults,
                                                  gpu->parent->closest_cpu_numa_node);
            uvm_parent_gpu_non_replayable_faults_isr_unlock(gpu->parent);
            if (status != NV_OK)
                goto release;
        }

        if (gpu->parent->access_counters_supported) {
            uvm_parent_gpu_access_counters_isr_lock(gpu->parent);
            status = uvm_test_verify_bh_affinity(&gpu->parent->isr.access_counters,
                                                  gpu->parent->closest_cpu_numa_node);
            uvm_parent_gpu_access_counters_isr_unlock(gpu->parent);
        }
    }
release:
    uvm_gpu_release(gpu);
    return status;
}

static NV_STATUS uvm_test_get_kernel_virtual_address(UVM_TEST_GET_KERNEL_VIRTUAL_ADDRESS_PARAMS *params,
                                                     struct file *filp)
{
    params->addr = (NvU64)uvm_va_space_get(filp);

    return NV_OK;
}

static NV_STATUS uvm_test_get_user_space_end_address(UVM_TEST_GET_USER_SPACE_END_ADDRESS_PARAMS *params,
                                                     struct file *flip)
{
    params->user_space_end_address = TASK_SIZE;

    return NV_OK;
}

static NV_STATUS uvm_test_cgroup_accounting_supported(UVM_TEST_CGROUP_ACCOUNTING_SUPPORTED_PARAMS *params,
                                                      struct file *flip)
{
    return UVM_CGROUP_ACCOUNTING_SUPPORTED() ? NV_OK : NV_ERR_NOT_SUPPORTED;
}

long uvm_test_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
    // Disable all test entry points if the module parameter wasn't provided.
    // These should not be enabled in a production environment.
    if (!uvm_enable_builtin_tests) {
        UVM_INFO_PRINT("ioctl %d not found. Did you mean to insmod with uvm_enable_builtin_tests=1?\n", cmd);
        return -EINVAL;
    }

    switch (cmd)
    {
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_GPU_REF_COUNT,            uvm_test_get_gpu_ref_count);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RNG_SANITY,                   uvm_test_rng_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RANGE_TREE_DIRECTED,          uvm_test_range_tree_directed);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RANGE_TREE_RANDOM,            uvm_test_range_tree_random);
        UVM_ROUTE_CMD_ALLOC_INIT_CHECK(UVM_TEST_VA_RANGE_INFO,                uvm_test_va_range_info);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RM_MEM_SANITY,                uvm_test_rm_mem_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GPU_SEMAPHORE_SANITY,         uvm_test_gpu_semaphore_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PEER_REF_COUNT,               uvm_test_peer_ref_count);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_RANGE_SPLIT,               uvm_test_va_range_split);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_RANGE_INJECT_SPLIT_ERROR,  uvm_test_va_range_inject_split_error);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PAGE_TREE,                    uvm_test_page_tree);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_CHANGE_PTE_MAPPING,           uvm_test_change_pte_mapping);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_TRACKER_SANITY,               uvm_test_tracker_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PUSH_SANITY,                  uvm_test_push_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_CHANNEL_SANITY,               uvm_test_channel_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_CHANNEL_STRESS,               uvm_test_channel_stress);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_CE_SANITY,                    uvm_test_ce_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_HOST_SANITY,                  uvm_test_host_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_SPACE_MM_OR_CURRENT_RETAIN, uvm_test_va_space_mm_or_current_retain);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_BLOCK_INFO,                uvm_test_va_block_info);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_LOCK_SANITY,                  uvm_test_lock_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PERF_UTILS_SANITY,            uvm_test_perf_utils_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_KVMALLOC,                     uvm_test_kvmalloc);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_QUERY,                    uvm_test_pmm_query);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_CHECK_LEAK,               uvm_test_pmm_check_leak);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PERF_EVENTS_SANITY,           uvm_test_perf_events_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PERF_MODULE_SANITY,           uvm_test_perf_module_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RANGE_ALLOCATOR_SANITY,       uvm_test_range_allocator_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_RM_PTES,                  uvm_test_get_rm_ptes);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_FAULT_BUFFER_FLUSH,           uvm_test_fault_buffer_flush);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_INJECT_TOOLS_EVENT,           uvm_test_inject_tools_event);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_INCREMENT_TOOLS_COUNTER,      uvm_test_increment_tools_counter);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_MEM_SANITY,                   uvm_test_mem_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_MAKE_CHANNEL_STOPS_IMMEDIATE, uvm_test_make_channel_stops_immediate);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_BLOCK_INJECT_ERROR,        uvm_test_va_block_inject_error);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PEER_IDENTITY_MAPPINGS,       uvm_test_peer_identity_mappings);
        UVM_ROUTE_CMD_ALLOC_INIT_CHECK(UVM_TEST_VA_RESIDENCY_INFO,            uvm_test_va_residency_info);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_ASYNC_ALLOC,              uvm_test_pmm_async_alloc);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SET_PREFETCH_FILTERING,       uvm_test_set_prefetch_filtering);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_SANITY,                   uvm_test_pmm_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_INVALIDATE_TLB,               uvm_test_invalidate_tlb);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_BLOCK,                     uvm_test_va_block);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_EVICT_CHUNK,                  uvm_test_evict_chunk);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_FLUSH_DEFERRED_WORK,          uvm_test_flush_deferred_work);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_NV_KTHREAD_Q,                 uvm_test_nv_kthread_q);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SET_PAGE_PREFETCH_POLICY,     uvm_test_set_page_prefetch_policy);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RANGE_GROUP_TREE,             uvm_test_range_group_tree);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RANGE_GROUP_RANGE_INFO,       uvm_test_range_group_range_info);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RANGE_GROUP_RANGE_COUNT,      uvm_test_range_group_range_count);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_PREFETCH_FAULTS_REENABLE_LAPSE,
                                       uvm_test_get_prefetch_faults_reenable_lapse);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SET_PREFETCH_FAULTS_REENABLE_LAPSE,
                                       uvm_test_set_prefetch_faults_reenable_lapse);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_KERNEL_VIRTUAL_ADDRESS,   uvm_test_get_kernel_virtual_address);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMA_ALLOC_FREE,               uvm_test_pma_alloc_free);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_ALLOC_FREE_ROOT,          uvm_test_pmm_alloc_free_root);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_INJECT_PMA_EVICT_ERROR,   uvm_test_pmm_inject_pma_evict_error);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_ACCESS_COUNTERS_ENABLED_BY_DEFAULT,
                                       uvm_test_access_counters_enabled_by_default);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RECONFIGURE_ACCESS_COUNTERS,  uvm_test_reconfigure_access_counters);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RESET_ACCESS_COUNTERS,        uvm_test_reset_access_counters);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SET_IGNORE_ACCESS_COUNTERS,   uvm_test_set_ignore_access_counters);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_CHECK_CHANNEL_VA_SPACE,       uvm_test_check_channel_va_space);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_ENABLE_NVLINK_PEER_ACCESS,    uvm_test_enable_nvlink_peer_access);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_DISABLE_NVLINK_PEER_ACCESS,   uvm_test_disable_nvlink_peer_access);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_PAGE_THRASHING_POLICY,    uvm_test_get_page_thrashing_policy);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SET_PAGE_THRASHING_POLICY,    uvm_test_set_page_thrashing_policy);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_SYSMEM,                   uvm_test_pmm_sysmem);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_REVERSE_MAP,              uvm_test_pmm_reverse_map);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_INDIRECT_PEERS,           uvm_test_pmm_indirect_peers);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_SPACE_MM_RETAIN,           uvm_test_va_space_mm_retain);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_CHUNK_WITH_ELEVATED_PAGE, uvm_test_pmm_chunk_with_elevated_page);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_SPACE_INJECT_ERROR,        uvm_test_va_space_inject_error);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_GPU_TIME,                 uvm_test_get_gpu_time);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_RELEASE_FREE_ROOT_CHUNKS, uvm_test_pmm_release_free_root_chunks);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_DRAIN_REPLAYABLE_FAULTS,      uvm_test_drain_replayable_faults);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMA_GET_BATCH_SIZE,           uvm_test_pma_get_batch_size);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_PMM_QUERY_PMA_STATS,          uvm_test_pmm_query_pma_stats);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_NUMA_CHECK_AFFINITY,          uvm_test_numa_check_affinity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_SPACE_ADD_DUMMY_THREAD_CONTEXTS,
                                       uvm_test_va_space_add_dummy_thread_contexts);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_SPACE_REMOVE_DUMMY_THREAD_CONTEXTS,
                                       uvm_test_va_space_remove_dummy_thread_contexts);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_THREAD_CONTEXT_SANITY,        uvm_test_thread_context_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_THREAD_CONTEXT_PERF,          uvm_test_thread_context_perf);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_GET_PAGEABLE_MEM_ACCESS_TYPE, uvm_test_get_pageable_mem_access_type);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_TOOLS_FLUSH_REPLAY_EVENTS,    uvm_test_tools_flush_replay_events);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_REGISTER_UNLOAD_STATE_BUFFER, uvm_test_register_unload_state_buffer);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RB_TREE_DIRECTED,             uvm_test_rb_tree_directed);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_RB_TREE_RANDOM,               uvm_test_rb_tree_random);
        UVM_ROUTE_CMD_STACK_NO_INIT_CHECK(UVM_TEST_GET_USER_SPACE_END_ADDRESS, uvm_test_get_user_space_end_address);
        UVM_ROUTE_CMD_STACK_NO_INIT_CHECK(UVM_TEST_GET_CPU_CHUNK_ALLOC_SIZES, uvm_test_get_cpu_chunk_allocation_sizes);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_RANGE_INJECT_ADD_GPU_VA_SPACE_ERROR,
                                       uvm_test_va_range_inject_add_gpu_va_space_error);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_DESTROY_GPU_VA_SPACE_DELAY,   uvm_test_destroy_gpu_va_space_delay);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SEC2_SANITY,                  uvm_test_sec2_sanity);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SEC2_CPU_GPU_ROUNDTRIP,       uvm_test_sec2_cpu_gpu_roundtrip);
        UVM_ROUTE_CMD_STACK_NO_INIT_CHECK(UVM_TEST_CGROUP_ACCOUNTING_SUPPORTED, uvm_test_cgroup_accounting_supported);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SPLIT_INVALIDATE_DELAY, uvm_test_split_invalidate_delay);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_CPU_CHUNK_API, uvm_test_cpu_chunk_api);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_FORCE_CPU_TO_CPU_COPY_WITH_CE, uvm_test_force_cpu_to_cpu_copy_with_ce);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_VA_SPACE_ALLOW_MOVABLE_ALLOCATIONS,
                                       uvm_test_va_space_allow_movable_allocations);
        UVM_ROUTE_CMD_STACK_INIT_CHECK(UVM_TEST_SKIP_MIGRATE_VMA, uvm_test_skip_migrate_vma);
    }

    return -EINVAL;
}