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gpu: nvgpu: alarm/event interface cleanup

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use CPU timestamp in nanoseconds
define last event/alarm number

Jira DNVGPU-186

Change-Id: I769c8a7a41ac1fb49234f0d5144a78fa657ec230
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1260799
(cherry picked from commit 379171b43cb20d7a31b3966cad3696525e8cf7d9)
Reviewed-on: http://git-master/r/1267159
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Thomas Fleury
2016-11-18 09:11:45 -08:00
committed by mobile promotions
parent f2f06852c3
commit 68eeda3ebd
1 changed files with 5 additions and 3 deletions
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8
include/uapi/linux/nvgpu.h
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@@ -695,7 +695,7 @@ struct nvgpu_gpu_get_event_fd_args {
/* in: Flags (not currently used). */
__u32 flags;
/* out: File descriptor for events, i.e. clock update.
/* out: File descriptor for events, e.g. clock update.
* On successful polling of this event_fd, application is
* expected to read status (nvgpu_gpu_event_info),
* which provides detailed event information
@@ -873,14 +873,16 @@ struct nvgpu_gpu_get_temperature_args {
/* Alarm on power condition */
#define NVGPU_GPU_EVENT_ALARM_POWER_ABOVE_THRESHOLD 6
/* Non recoverable alarm (POLLUP) */
/* Non recoverable alarm (POLLHUP) */
/* Alarm on GPU shutdown/fall from bus */
#define NVGPU_GPU_EVENT_ALARM_GPU_LOST 7
#define NVGPU_GPU_EVENT_LAST NVGPU_GPU_EVENT_ALARM_GPU_LOST
struct nvgpu_gpu_event_info {
__u32 event_id; /* NVGPU_GPU_EVENT_* */
__u32 reserved;
__u64 timestamp; /* GPU timestamp */
__u64 timestamp; /* CPU timestamp (in nanoseconds) */
};
struct nvgpu_gpu_set_event_filter_args {