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gpu: nvgpu: Address Vectorcast gap for posix queue

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Update unit test for posix queue unit to cover Vectorcast gap.

Jira NVGPU-4478

Change-Id: I0d79861f173d511d25cf45051c399e3193eabdbe
Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2294146
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Petlozu Pravareshwar
2020-02-13 04:46:32 -08:00
committed by Alex Waterman
parent 566b1df08c
commit c2fbc99967
3 changed files with 21 additions and 0 deletions
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1
drivers/gpu/nvgpu/libnvgpu-drv_safe.export
View File

@@ -661,6 +661,7 @@ nvgpu_queue_in
nvgpu_queue_in_locked nvgpu_queue_in_locked
nvgpu_queue_out nvgpu_queue_out
nvgpu_queue_out_locked nvgpu_queue_out_locked
nvgpu_queue_out_get_fault_injection
nvgpu_preempt_channel nvgpu_preempt_channel
nvgpu_preempt_get_timeout nvgpu_preempt_get_timeout
nvgpu_preempt_poll_tsg_on_pbdma nvgpu_preempt_poll_tsg_on_pbdma

16
userspace/units/posix/queue/posix-queue.c
View File

@@ -185,6 +185,8 @@ int test_nvgpu_queue_out(struct unit_module *m, struct gk20a *g, void *args)
struct nvgpu_queue q = {0}; struct nvgpu_queue q = {0};
struct nvgpu_mutex lock; struct nvgpu_mutex lock;
char buf[BUF_LEN]; char buf[BUF_LEN];
struct nvgpu_posix_fault_inj *queue_out_fi =
nvgpu_queue_out_get_fault_injection();
nvgpu_mutex_init(&lock); nvgpu_mutex_init(&lock);
@@ -250,6 +252,20 @@ int test_nvgpu_queue_out(struct unit_module *m, struct gk20a *g, void *args)
goto fail; goto fail;
} }
/*
* Fault injection so that immediate call to nvgpu_queue_out_locked()
* API would return error.
*/
nvgpu_posix_enable_fault_injection(queue_out_fi, true, 0);
ret = nvgpu_queue_out_locked(&q, buf, BUF_LEN, &lock);
if (ret != -1) {
err = UNIT_FAIL;
nvgpu_posix_enable_fault_injection(queue_out_fi, false, 0);
unit_err(m, "%d. queue_out failed err=%d\n", __LINE__, ret);
goto fail;
}
nvgpu_posix_enable_fault_injection(queue_out_fi, false, 0);
fail: fail:
if (q.data != NULL) if (q.data != NULL)
free(q.data); free(q.data);

4
userspace/units/posix/queue/posix-queue.h
View File

@@ -137,6 +137,10 @@ int test_nvgpu_queue_in(struct unit_module *m, struct gk20a *g, void *args);
* - Update "in" and "out" indexes and dequeue message of length BUF_LEN such * - Update "in" and "out" indexes and dequeue message of length BUF_LEN such
* that we wrap around the Queue while dequeuing the message using * that we wrap around the Queue while dequeuing the message using
* nvgpu_queue_out() API. Check that the API returns "BUF_LEN". * nvgpu_queue_out() API. Check that the API returns "BUF_LEN".
* - Do fault injection so that immediate call to nvgpu_queue_out_locked() API
* would return error.
* - Invoke nvgpu_queue_out_locked() API and check that API returns -1 error.
* - Remove the injected fault.
* - Uninitialize the allocated resources. * - Uninitialize the allocated resources.
* *
* Output: Returns PASS if the steps above were executed successfully. FAIL * Output: Returns PASS if the steps above were executed successfully. FAIL