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gpu: nvgpu: add fault injection for posix routines

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This adds the ability to enable fault injection for some of the
POSIX implementation of the nvgpu condition and thread routines.

JIRA NVGPU-2679

Change-Id: I6abb9d5ba3fbe8921e48a135e440c179702dcf6b
Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2174647
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Petlozu Pravareshwar
2019-08-14 00:10:34 +05:30
committed by Alex Waterman
parent 74723c7f62
commit 1e7c3cb038
4 changed files with 46 additions and 0 deletions
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4
drivers/gpu/nvgpu/include/nvgpu/posix/cond.h
View File

@@ -35,6 +35,10 @@ struct nvgpu_cond {
pthread_condattr_t attr;
};
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
struct nvgpu_posix_fault_inj *nvgpu_cond_get_fault_injection(void);
#endif
int nvgpu_cond_timedwait(struct nvgpu_cond *c, unsigned int *ms);
void nvgpu_cond_signal_locked(struct nvgpu_cond *cond);
int nvgpu_cond_broadcast_locked(struct nvgpu_cond *cond);

4
drivers/gpu/nvgpu/include/nvgpu/posix/thread.h
View File

@@ -57,6 +57,10 @@ struct nvgpu_thread {
char tname[NVGPU_THREAD_POSIX_MAX_NAMELEN];
};
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
struct nvgpu_posix_fault_inj *nvgpu_thread_get_fault_injection(void);
#endif
int nvgpu_thread_create_priority(struct nvgpu_thread *thread,
void *data, int (*threadfn)(void *data),
int priority, const char *name);

19
drivers/gpu/nvgpu/os/posix/cond.c
View File

@@ -22,11 +22,30 @@
#include <nvgpu/cond.h>
#include <nvgpu/static_analysis.h>
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
#include <nvgpu/posix/posix-fault-injection.h>
#endif
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
_Thread_local struct nvgpu_posix_fault_inj cond_fi = {
.enabled = false,.counter = 0U,};
struct nvgpu_posix_fault_inj *nvgpu_cond_get_fault_injection(void)
{
return &cond_fi;
}
#endif
int nvgpu_cond_init(struct nvgpu_cond *cond)
{
int ret;
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
if (nvgpu_posix_fault_injection_handle_call(&cond_fi)) {
return -EINVAL;
}
#endif
ret = pthread_condattr_init(&cond->attr);
if (ret != 0) {
return ret;

19
drivers/gpu/nvgpu/os/posix/thread.c
View File

@@ -23,6 +23,19 @@
#include <nvgpu/bug.h>
#include <nvgpu/thread.h>
#include <nvgpu/os_sched.h>
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
#include <nvgpu/posix/posix-fault-injection.h>
#endif
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
_Thread_local struct nvgpu_posix_fault_inj thread_fi = {
.enabled = false,.counter = 0U,};
struct nvgpu_posix_fault_inj *nvgpu_thread_get_fault_injection(void)
{
return &thread_fi;
}
#endif
/**
* Use pthreads to mostly emulate the Linux kernel APIs. There are some things
@@ -61,6 +74,12 @@ int nvgpu_thread_create(struct nvgpu_thread *thread,
pthread_attr_t attr;
int ret;
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
if (nvgpu_posix_fault_injection_handle_call(&thread_fi)) {
return -EINVAL;
}
#endif
(void) memset(thread, 0, sizeof(*thread));
/*