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gpu: nvgpu: Add test cases for HS bootstrap code

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Adding more test cases to cover fail/negative scenarios
and more branches in the nvgpu_acr_bootstrap_hs_acr() code

JIRA NVGPU-4319

Change-Id: Ib8b154f7e59e60971bb231cf7dbe0b9b3f209384
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2263203
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Divya Singhatwaria
2019-12-16 15:05:01 +05:30
committed by Alex Waterman
parent 83103cdcca
commit 61315f0fbb
1 changed files with 82 additions and 1 deletions
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83
userspace/units/acr/nvgpu-acr.c
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@@ -59,6 +59,25 @@ struct utf_falcon *pmu_flcn, *gpccs_flcn;
#define NV_PBB_FBHUB_REGSPACE 0x100B00
static int stub_gv11b_bar0_error_status(struct gk20a *g, u32 *bar0_status,
u32 *etype)
{
/* return error */
return -EIO;
}
static bool stub_gv11b_validate_mem_integrity(struct gk20a *g)
{
/* return error */
return false;
}
static bool stub_gv11b_is_debug_mode_en(struct gk20a *g)
{
/* DEBUG mode enabbled */
return true;
}
static struct utf_falcon *get_flcn_from_addr(struct gk20a *g, u32 addr)
{
struct utf_falcon *flcn = NULL;
@@ -363,7 +382,69 @@ int test_acr_bootstrap_hs_acr(struct unit_module *m,
}
/*
* Case 4: Fail scenario of nvgpu_acr_bootstrap_hs_acr()
* Case 4:
* Covering branch for fail scenario
* when "is_falcon_supported" is set to false
*/
pmu_flcn->flcn->is_falcon_supported = false;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
if (err != -EINVAL) {
unit_return_fail(m, "test_acr_bootstrap_hs_acr() failed");
}
/*
* Case 5: branch coverage
*/
pmu_flcn->flcn->is_falcon_supported = true;
g->acr->acr.acr_engine_bus_err_status = NULL;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
/*
* Case 6:
* Covering branch when "acr_engine_bus_err_status" ops fails
*/
pmu_flcn->flcn->is_falcon_supported = true;
g->acr->acr.acr_engine_bus_err_status = stub_gv11b_bar0_error_status;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
if (err != -EIO) {
unit_return_fail(m, "test_acr_bootstrap_hs_acr() failed");
}
/*
* Case 7: branch coverage
*/
pmu_flcn->flcn->is_falcon_supported = true;
g->acr->acr.acr_engine_bus_err_status = g->ops.pmu.bar0_error_status;
g->acr->acr.acr_validate_mem_integrity = NULL;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
/*
* Case 8:
* Covering branch when "acr_validate_mem_integrity" ops fails
*/
pmu_flcn->flcn->is_falcon_supported = true;
g->acr->acr.acr_validate_mem_integrity = stub_gv11b_validate_mem_integrity;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
if (err != -EAGAIN) {
unit_return_fail(m, "test_acr_bootstrap_hs_acr() failed");
}
/*
* Case 9: branch coverage for debug mode
*/
g->acr->acr.acr_validate_mem_integrity = g->ops.pmu.validate_mem_integrity;
g->ops.pmu.is_debug_mode_enabled = stub_gv11b_is_debug_mode_en;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
/*
* Case 10: branch coverage
*/
g->acr->acr.report_acr_engine_bus_err_status = NULL;
err = nvgpu_acr_bootstrap_hs_acr(g, g->acr);
/*
* Case 11: Fail scenario of nvgpu_acr_bootstrap_hs_acr()
* by passing g->acr = NULL
*/
g->acr = NULL;