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drm/xe/guc: Add test for G2G communications

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Add a test for sending messages from every GuC to every other GuC to
test G2G communications.

Note that, being a debug only feature, the test interface only exists
in pre-production builds of the GuC firmware.

v2: Fix 'default' case to actually use the driver's registration code
as well as allocation. Add comments explaining the different test
types. Fix (C) date and an assert. Review feedback from Daniele.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://lore.kernel.org/r/20250910210237.603576-5-John.C.Harrison@Intel.com
This commit is contained in:
John Harrison
2025-09-10 14:02:35 -07:00
parent 537773db91
commit 456b32c9c1
8 changed files with 801 additions and 0 deletions
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2
drivers/gpu/drm/xe/tests/xe_live_test_mod.c
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@@ -10,12 +10,14 @@ extern struct kunit_suite xe_bo_shrink_test_suite;
extern struct kunit_suite xe_dma_buf_test_suite;
extern struct kunit_suite xe_migrate_test_suite;
extern struct kunit_suite xe_mocs_test_suite;
extern struct kunit_suite xe_guc_g2g_test_suite;
kunit_test_suite(xe_bo_test_suite);
kunit_test_suite(xe_bo_shrink_test_suite);
kunit_test_suite(xe_dma_buf_test_suite);
kunit_test_suite(xe_migrate_test_suite);
kunit_test_suite(xe_mocs_test_suite);
kunit_test_suite(xe_guc_g2g_test_suite);
MODULE_AUTHOR("Intel Corporation");
MODULE_LICENSE("GPL");