gpu: nvgpu: add periodic timer API

move fecs_trace polling from kthread to timer API.

Jira GVSCI-10883

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: I224754b7205f1d0eefdc19a73a98f42e4d3e9d0e
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2700601
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-by: Aparna Das <aparnad@nvidia.com>
GVS: Gerrit_Virtual_Submit

arch/nvgpu-interface.yaml

@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2021, NVIDIA CORPORATION.  All Rights Reserved.
+# Copyright (c) 2019-2022, NVIDIA CORPORATION.  All Rights Reserved.
 #
 # OS interface units and utilities. Often represented by simply a header file.
 #
@@ -109,7 +109,8 @@ thread:
 
 timers:
   safe: yes
-  sources: [ include/nvgpu/timers.h ]
+  sources: [ include/nvgpu/timers.h,
+             include/nvgpu/periodic_timer.h ]
 
 types:
   safe: yes

arch/nvgpu-linux.yaml

@@ -220,7 +220,8 @@ thread:
   sources: [ os/linux/thread.c ]
 
 timers:
-  sources: [ os/linux/timers.c ]
+  sources: [ os/linux/timers.c,
+             os/linux/periodic_timer.c ]
 
 vgpu:
   sources: [ os/linux/vgpu/fecs_trace_vgpu_linux.c,
@@ -254,6 +255,7 @@ headers:
              include/nvgpu/linux/nvgpu_mem.h,
              include/nvgpu/linux/os_fence_android.h,
              include/nvgpu/linux/os_fence_dma.h,
+             include/nvgpu/linux/periodic_timer.h,
              include/nvgpu/linux/rwsem.h,
              include/nvgpu/linux/nvmem.h,
              include/nvgpu/linux/sim.h,

arch/nvgpu-posix.yaml

@@ -114,7 +114,9 @@ timers:
   safe: yes
   owner: Ajesh K
   sources: [ os/posix/timers.c,
-             include/nvgpu/posix/timers.h ]
+             os/posix/periodic_timer.c,
+             include/nvgpu/posix/timers.h,
+             include/nvgpu/posix/periodic_timer.h ]
   deps:
 
 atomic: