gpu: nvgpu: Add thermal alert limit IOCTL for UMD

Added the thermal alert lmit IOCTL for UMD

JIRA DNVGPU-130
Bug 200231080

Change-Id: I4a84157d90b12b576fa144567a3bdd5d39f5278e
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1249483
(cherry picked from commit d3458008cc3dd98d3a51841b6ed8cea1aed9eb89)
Reviewed-on: http://git-master/r/1253457
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index 25c0472c..1fb633c8 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -777,6 +777,14 @@ struct nvgpu_gpu_get_temperature_args {
         __s32 temp_f24_8;
 };
 
+struct nvgpu_gpu_set_therm_alert_limit_args {
+        __u32 reserved[3];
+        /* Temperature in signed fixed point format SFXP24.8
+         *    Celsius = temp_f24_8 / 256.
+         */
+        __s32 temp_f24_8;
+};
+
 #define NVGPU_GPU_IOCTL_ZCULL_GET_CTX_SIZE \
         _IOR(NVGPU_GPU_IOCTL_MAGIC, 1, struct nvgpu_gpu_zcull_get_ctx_size_args)
 #define NVGPU_GPU_IOCTL_ZCULL_GET_INFO \
@@ -858,8 +866,11 @@ struct nvgpu_gpu_get_temperature_args {
         _IOWR(NVGPU_GPU_IOCTL_MAGIC, 37, struct nvgpu_gpu_get_temperature_args)
 #define NVGPU_GPU_IOCTL_GET_FBP_L2_MASKS \
         _IOWR(NVGPU_GPU_IOCTL_MAGIC, 38, struct nvgpu_gpu_get_fbp_l2_masks_args)
+#define NVGPU_GPU_IOCTL_SET_THERM_ALERT_LIMIT \
+                _IOWR(NVGPU_GPU_IOCTL_MAGIC, 39, \
+                        struct nvgpu_gpu_set_therm_alert_limit_args)
 #define NVGPU_GPU_IOCTL_LAST            \
-        _IOC_NR(NVGPU_GPU_IOCTL_GET_FBP_L2_MASKS)
+        _IOC_NR(NVGPU_GPU_IOCTL_SET_THERM_ALERT_LIMIT)
 #define NVGPU_GPU_IOCTL_MAX_ARG_SIZE    \
         sizeof(struct nvgpu_gpu_get_cpu_time_correlation_info_args)