#define KFD_SIGNAL_EVENT_LIMIT 4096
+/* For kfd_event_data.hw_exception_data.reset_type. */
+#define KFD_HW_EXCEPTION_WHOLE_GPU_RESET 0
+#define KFD_HW_EXCEPTION_PER_ENGINE_RESET 1
+
+/* For kfd_event_data.hw_exception_data.reset_cause. */
+#define KFD_HW_EXCEPTION_GPU_HANG 0
+#define KFD_HW_EXCEPTION_ECC 1
+
+
struct kfd_ioctl_create_event_args {
__u64 event_page_offset; /* from KFD */
__u32 event_trigger_data; /* from KFD - signal events only */
__u32 pad;
};
-/* Event data*/
+/* hw exception data */
+struct kfd_hsa_hw_exception_data {
+ uint32_t reset_type;
+ uint32_t reset_cause;
+ uint32_t memory_lost;
+ uint32_t gpu_id;
+};
+
+/* Event data */
struct kfd_event_data {
union {
struct kfd_hsa_memory_exception_data memory_exception_data;
+ struct kfd_hsa_hw_exception_data hw_exception_data;
}; /* From KFD */
__u64 kfd_event_data_ext; /* pointer to an extension structure
for future exception types */