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gpu: nvgpu: line coverage for gk20a_runlist_wait_pending

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Use fault injection to test nvgpu_timeout_init failure case
in gk20a_runlist_wait_pending.

Jira NVGPU-4673

Change-Id: I62810db0877339909d99f1de8d14847557ecb8fd
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2272458
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Thomas Fleury
2020-01-02 13:07:07 -05:00
committed by Alex Waterman
parent ae44d384f3
commit 2f29272d61
2 changed files with 11 additions and 2 deletions
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12
userspace/units/fifo/runlist/gk20a/nvgpu-runlist-gk20a.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -28,6 +28,7 @@
#include <unit/unit.h>
#include <nvgpu/posix/io.h>
#include <nvgpu/posix/posix-fault-injection.h>
#include <nvgpu/channel.h>
#include <nvgpu/tsg.h>
@@ -159,10 +160,17 @@ int test_gk20a_runlist_wait_pending(struct unit_module *m,
u32 runlist_id = nvgpu_engine_get_gr_runlist_id(g);
u32 timeout = g->poll_timeout_default;
int err;
struct nvgpu_posix_fault_inj *timer_fi =
nvgpu_timers_get_fault_injection();
(void)nvgpu_posix_register_io(g, &test_reg_callbacks);
/* nvgpu_timeout_init failure not covered yet */
/* nvgpu_timeout_init failure */
nvgpu_posix_enable_fault_injection(timer_fi, true, 0);
err = gk20a_runlist_wait_pending(g, runlist_id);
assert(err == -ETIMEDOUT);
nvgpu_posix_enable_fault_injection(timer_fi, false, 0);
g->poll_timeout_default = 10; /* ms */
ctx->m = m;

1
userspace/units/fifo/runlist/gk20a/nvgpu-runlist-gk20a.h
View File

@@ -92,6 +92,7 @@ int test_gk20a_runlist_hw_submit(struct unit_module *m,
* - Check case where polling times out:
* - Set register to indicate that runlist is pending.
* - Call gk20a_runlist_wait_pending.
* - Check case where nvgpu_timeout_init fails, using fault injection.
*
* Output: Returns PASS if all branches gave expected results. FAIL otherwise.
*/