Files
linux-nvgpu/drivers/gpu/nvgpu/os/posix/file_ops.c
Philip Elcan 95c3e56961 gpu: nvgpu: unit: propagate fault injection to threads
Change approach to how the fault injection state is stored to facilitate
propagating fault injection state to child-threads. Rather than each
unit maintaining a thread-local object, there is a thread-local
container stored in the posix-fault-injection itself. This container is
initialized for each test module so that is independent of other other
test modules (for parallel test module execution). When child threads
are created with nvgpu_create_thread(), the fault injection container is
configured for the child.

JIRA NVGPU-3981

Change-Id: I9b580dc7f1621a7770eef8eba796f3918f2738bf
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2238474
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2020-12-15 14:10:29 -06:00

81 lines
2.4 KiB
C

/*
* Copyright (c) 2019, 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"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <nvgpu/bug.h>
#include <nvgpu/log.h>
#include <nvgpu/posix/file_ops.h>
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
#include <nvgpu/posix/posix-fault-injection.h>
#endif
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
struct nvgpu_posix_fault_inj *nvgpu_file_ops_get_fstat_injection(void)
{
struct nvgpu_posix_fault_inj_container *c =
nvgpu_posix_fault_injection_get_container();
return &c->fstat_op;
}
struct nvgpu_posix_fault_inj *nvgpu_file_ops_get_fread_injection(void)
{
struct nvgpu_posix_fault_inj_container *c =
nvgpu_posix_fault_injection_get_container();
return &c->fread_op;
}
#endif
int nvgpu_fstat(int fd, struct stat *buf)
{
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
if (nvgpu_posix_fault_injection_handle_call(
nvgpu_file_ops_get_fstat_injection())) {
return -1;
}
#endif
return fstat(fd, buf);
}
ssize_t nvgpu_fread(int fildes, void* buf, size_t nbytes)
{
#ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
if (nvgpu_posix_fault_injection_handle_call(
nvgpu_file_ops_get_fread_injection())) {
errno = -1;
return -1;
}
#endif
return read(fildes, buf, nbytes);
}
void nvgpu_close(int fd)
{
int ret;
ret = close(fd);
if (ret != 0) {
nvgpu_err(NULL, "close() failed %d", ret);
}
}