[PATCH v2 2/8] drm/amdkfd: Add KFD SMI event IDs and triggers

[Philip Yang]

Define new system management interface event IDs, migration triggers and
user queue eviction triggers, those will be implemented in the following
patches.

Signed-off-by: Philip Yang <philip.y...@amd.com>
---
 include/uapi/linux/kfd_ioctl.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index af96af174dc4..de0b5bb95db3 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -459,10 +459,37 @@ enum kfd_smi_event {
        KFD_SMI_EVENT_THERMAL_THROTTLE = 2,
        KFD_SMI_EVENT_GPU_PRE_RESET = 3,
        KFD_SMI_EVENT_GPU_POST_RESET = 4,
+       KFD_SMI_EVENT_MIGRATION = 5,
+       KFD_SMI_EVENT_PAGE_FAULT_START = 6,
+       KFD_SMI_EVENT_PAGE_FAULT_END = 7,
+       KFD_SMI_EVENT_QUEUE_EVICTION = 8,
+       KFD_SMI_EVENT_QUEUE_EVICTION_RESTORE = 9,
+       KFD_SMI_EVENT_UNMAP_FROM_GPU = 10,
+
+       /*
+        * max event number, as a flag bit to get events from all processes,
+        * this requires super user permission, otherwise will not be able to
+        * receive event from any process. Without this flag to receive events
+        * from same process.
+        */
+       KFD_SMI_EVENT_ALL_PROCESS = 64
 };
 
 #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1))
 
+enum KFD_MIGRATION_QUEUE_EVICTION_UNMAP_EVENT_TRIGGER {
+       MIGRATION_TRIGGER_PREFETCH = 1,
+       MIGRATION_TRIGGER_PAGEFAULT,
+       MIGRATION_TRIGGER_PAGEFAULT_CPU,
+       MIGRATION_TRIGGER_TTM_EVICTION,
+       SVM_RANGE_EVICTION,
+       SVM_RANGE_MIGRATION,
+       USERPTR_EVICTION,
+       TTM_EVICTION,
+       UNMAP_FROM_CPU,
+       SUSPEND_EVICTION
+};
+
 struct kfd_ioctl_smi_events_args {
        __u32 gpuid;    /* to KFD */
        __u32 anon_fd;  /* from KFD */
-- 
2.17.1