gpu: nvgpu: update queue unit tests

Update the unit tests for Posix queue implementation.
Add new tests to check the boundary values and modify some
of the existing tests according to the changes in queue
implementation.

JIRA NVGPU-6908

Change-Id: Ie216e1281ca0f354c66c458830ca1ac2193fddb9
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2536556
(cherry picked from commit 9a528c13093314296b928720d8f8ace3a5ddaf8a)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2536970
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
ajesh
2021-05-28 21:11:27 +03:00
committed by mobile promotions
parent 3cd256b344
commit 966938d3e6
4 changed files with 186 additions and 49 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2020-2021, 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"),
@@ -98,6 +98,14 @@ int test_nvgpu_queue_alloc_and_free(struct unit_module *m, struct gk20a *g,
}
nvgpu_queue_free(&q);
ret = nvgpu_queue_alloc(&q, (unsigned int)INT32_MAX);
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. test_queue_alloc failed err=%d\n", __LINE__,
ret);
goto fail;
}
nvgpu_queue_free(&q);
fail:
return err;
}
@@ -119,9 +127,10 @@ int test_nvgpu_queue_in(struct unit_module *m, struct gk20a *g, void *args)
goto fail;
}
#ifdef CONFIG_NVGPU_NON_FUSA
/* Enqueue message of length BUF_LEN */
ret = nvgpu_queue_in(&q, buf, BUF_LEN);
if (ret != BUF_LEN) {
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_in failed err=%d\n", __LINE__, ret);
goto fail;
@@ -134,12 +143,12 @@ int test_nvgpu_queue_in(struct unit_module *m, struct gk20a *g, void *args)
q.in = BUF_LEN;
q.out = BUF_LEN;
ret = nvgpu_queue_in(&q, buf, BUF_LEN);
if (ret != BUF_LEN) {
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_in failed err=%d\n", __LINE__, ret);
goto fail;
}
#endif
/*
* Reset "in" and "out" indexes and enqueue message of length BUF_LEN
* with the lock.
@@ -147,7 +156,7 @@ int test_nvgpu_queue_in(struct unit_module *m, struct gk20a *g, void *args)
q.in = 0;
q.out = 0;
ret = nvgpu_queue_in_locked(&q, buf, BUF_LEN, &lock);
if (ret != BUF_LEN) {
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_in failed err=%d\n", __LINE__, ret);
goto fail;
@@ -161,6 +170,16 @@ int test_nvgpu_queue_in(struct unit_module *m, struct gk20a *g, void *args)
goto fail;
}
q.in = (UINT32_MAX - (BUF_LEN/2));
q.out = q.in;
ret = nvgpu_queue_in_locked(&q, buf, BUF_LEN, &lock);
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue in failed err=%d\n", __LINE__, ret);
goto fail;
}
#ifdef CONFIG_NVGPU_NON_FUSA
/* Enqueue message of length BUF_LEN again (without lock) and expect
* memory full.
*/
@@ -170,6 +189,7 @@ int test_nvgpu_queue_in(struct unit_module *m, struct gk20a *g, void *args)
unit_err(m, "%d. queue_in failed err=%d\n", __LINE__, ret);
goto fail;
}
#endif
fail:
if (q.data != NULL)
@@ -198,6 +218,7 @@ int test_nvgpu_queue_out(struct unit_module *m, struct gk20a *g, void *args)
goto fail;
}
#ifdef CONFIG_NVGPU_NON_FUSA
/* Queue is empty. Dequeue message should return "-ENOMEM" */
ret = nvgpu_queue_out(&q, buf, BUF_LEN);
if (ret != -ENOMEM) {
@@ -205,6 +226,7 @@ int test_nvgpu_queue_out(struct unit_module *m, struct gk20a *g, void *args)
unit_err(m, "%d. queue_out failed err=%d\n", __LINE__, ret);
goto fail;
}
#endif
/* Queue is empty. Dequeue message with lock should return "-ENOMEM" */
ret = nvgpu_queue_out_locked(&q, buf, BUF_LEN, &lock);
@@ -214,18 +236,19 @@ int test_nvgpu_queue_out(struct unit_module *m, struct gk20a *g, void *args)
goto fail;
}
#ifdef CONFIG_NVGPU_NON_FUSA
/*
* Advance "in" index by "BUF_LEN" and dequeue message of length BUF_LEN
*/
q.in = BUF_LEN;
q.out = 0;
ret = nvgpu_queue_out(&q, buf, BUF_LEN);
if (ret != BUF_LEN) {
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_out failed err=%d\n", __LINE__, ret);
goto fail;
}
#endif
/*
* Advance "in" index by "BUF_LEN" and dequeue message of length BUF_LEN
* with the lock.
@@ -233,24 +256,35 @@ int test_nvgpu_queue_out(struct unit_module *m, struct gk20a *g, void *args)
q.in = BUF_LEN;
q.out = 0;
ret = nvgpu_queue_out_locked(&q, buf, BUF_LEN, &lock);
if (ret != BUF_LEN) {
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_out failed err=%d\n", __LINE__, ret);
goto fail;
}
#ifdef CONFIG_NVGPU_NON_FUSA
/*
* Update "in" and "out" indexes and dequeue message of length BUF_LEN
* such that we wrap around the Queue while dequeuing the message.
*/
q.in = 1;
q.out = QUEUE_LEN_POW_2 -(BUF_LEN -1);
q.in = 0;
q.out = UINT32_MAX - BUF_LEN;
ret = nvgpu_queue_out(&q, buf, BUF_LEN);
if (ret != BUF_LEN) {
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_out failed err=%d\n", __LINE__, ret);
goto fail;
}
#endif
q.in = 0;
q.out = UINT32_MAX - BUF_LEN;
ret = nvgpu_queue_out_locked(&q, buf, BUF_LEN, &lock);
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue in failed err=%d\n", __LINE__, ret);
goto fail;
}
/*
* Fault injection so that immediate call to nvgpu_queue_out_locked()
@@ -274,11 +308,70 @@ fail:
return err;
}
int test_nvgpu_queue_available(struct unit_module *m,
struct gk20a *g, void *args)
{
int ret = 0, err = UNIT_SUCCESS;
unsigned int count = 0;
struct nvgpu_queue q = {0};
struct nvgpu_mutex lock;
nvgpu_mutex_init(&lock);
ret = nvgpu_queue_alloc(&q, QUEUE_LEN_POW_2);
if (ret != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. queue_alloc failed err=%d\n", __LINE__, ret);
goto fail;
}
q.out = 10;
q.in = 10;
count = nvgpu_queue_available(&q);
if (count != 0) {
err = UNIT_FAIL;
unit_err(m, "%d. incorrect queue available count=%d\n",
__LINE__, count);
goto fail;
}
q.out = 0;
q.in = BUF_LEN;
count = nvgpu_queue_available(&q);
if (count != BUF_LEN) {
err = UNIT_FAIL;
unit_err(m, "%d. incorrect queue available count=%d\n",
__LINE__, count);
goto fail;
}
/*
* This is to test the wrap around condition for IN index.
*/
q.out = UINT32_MAX - (BUF_LEN - 1);
q.in = 0;
count = nvgpu_queue_available(&q);
if (count != BUF_LEN) {
err = UNIT_FAIL;
unit_err(m, "%d. Invalid out index accepted, count=%d\n",
__LINE__, count);
goto fail;
}
fail:
if (q.data != NULL)
free(q.data);
nvgpu_mutex_destroy(&lock);
return err;
}
struct unit_module_test posix_queue_tests[] = {
UNIT_TEST(nvgpu_queue_alloc_free, test_nvgpu_queue_alloc_and_free,
NULL, 0),
UNIT_TEST(nvgpu_queue_in, test_nvgpu_queue_in, NULL, 0),
UNIT_TEST(nvgpu_queue_out, test_nvgpu_queue_out, NULL, 0),
UNIT_TEST(nvgpu_queue_available, test_nvgpu_queue_available,
NULL, 0),
};
UNIT_MODULE(posix_queue, posix_queue_tests, UNIT_PRIO_POSIX_TEST);