To track the migrate end-event in case of a migration failure, always
output migrate end event, with the failure result added to the existing
migrate end event string.

Signed-off-by: Philip Yang <philip.y...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_migrate.c    | 16 ++++++++--------
 drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c |  5 +++--
 drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h |  2 +-
 include/uapi/linux/kfd_ioctl.h              |  7 ++++---
 4 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index 480e222364d5..23cf9484331e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -445,15 +445,15 @@ svm_migrate_vma_to_vram(struct kfd_node *node, struct 
svm_range *prange,
        pr_debug("successful/cpages/npages 0x%lx/0x%lx/0x%lx\n",
                         mpages, cpages, migrate.npages);
 
-       kfd_smi_event_migration_end(node, p->lead_thread->pid,
-                                   start >> PAGE_SHIFT, end >> PAGE_SHIFT,
-                                   0, node->id, trigger);
-
        svm_range_dma_unmap_dev(adev->dev, scratch, 0, npages);
 
 out_free:
        kvfree(buf);
 out:
+       kfd_smi_event_migration_end(node, p->lead_thread->pid,
+                                   start >> PAGE_SHIFT, end >> PAGE_SHIFT,
+                                   0, node->id, trigger, r);
+
        if (!r && mpages) {
                pdd = svm_range_get_pdd_by_node(prange, node);
                if (pdd)
@@ -737,15 +737,15 @@ svm_migrate_vma_to_ram(struct kfd_node *node, struct 
svm_range *prange,
        svm_migrate_copy_done(adev, mfence);
        migrate_vma_finalize(&migrate);
 
-       kfd_smi_event_migration_end(node, p->lead_thread->pid,
-                                   start >> PAGE_SHIFT, end >> PAGE_SHIFT,
-                                   node->id, 0, trigger);
-
        svm_range_dma_unmap_dev(adev->dev, scratch, 0, npages);
 
 out_free:
        kvfree(buf);
 out:
+       kfd_smi_event_migration_end(node, p->lead_thread->pid,
+                                   start >> PAGE_SHIFT, end >> PAGE_SHIFT,
+                                   node->id, 0, trigger, r);
+
        if (!r && cpages) {
                mpages = cpages - upages;
                pdd = svm_range_get_pdd_by_node(prange, node);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
index 85465eb303a9..d1a567f8a8d9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
@@ -282,11 +282,12 @@ void kfd_smi_event_migration_start(struct kfd_node *node, 
pid_t pid,
 
 void kfd_smi_event_migration_end(struct kfd_node *node, pid_t pid,
                                 unsigned long start, unsigned long end,
-                                uint32_t from, uint32_t to, uint32_t trigger)
+                                uint32_t from, uint32_t to, uint32_t trigger,
+                                int result)
 {
        kfd_smi_event_add(pid, node, KFD_SMI_EVENT_MIGRATE_END,
                          KFD_EVENT_FMT_MIGRATE_END(ktime_get_boottime_ns(), 
pid,
-                         start, end - start, from, to, trigger));
+                         start, end - start, from, to, trigger, result));
 }
 
 void kfd_smi_event_queue_eviction(struct kfd_node *node, pid_t pid,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h 
b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
index fa95c2dfd587..6c99eaa39f09 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
@@ -41,7 +41,7 @@ void kfd_smi_event_migration_start(struct kfd_node *node, 
pid_t pid,
                             uint32_t trigger);
 void kfd_smi_event_migration_end(struct kfd_node *node, pid_t pid,
                             unsigned long start, unsigned long end,
-                            uint32_t from, uint32_t to, uint32_t trigger);
+                            uint32_t from, uint32_t to, uint32_t trigger, int 
r);
 void kfd_smi_event_queue_eviction(struct kfd_node *node, pid_t pid,
                                  uint32_t trigger);
 void kfd_smi_event_queue_restore(struct kfd_node *node, pid_t pid);
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index 430c01f4148b..5220670a434d 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -601,6 +601,7 @@ struct kfd_ioctl_smi_events_args {
  *    migrate_update: the GPU page is recovered by 'M' for migrate, 'U' for 
update
  *    rescheduled: 'R' if the queue restore failed and rescheduled to try again
  *    rw: 'W' for write page fault, 'R' for read page fault
+ *    result: page mirgate result, 0 for success, otherwise error code
  */
 #define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_seq_num)\
                "%x\n", (reset_seq_num)
@@ -622,9 +623,9 @@ struct kfd_ioctl_smi_events_args {
                "%lld -%d @%lx(%lx) %x->%x %x:%x %d\n", (ns), (pid), (start), 
(size),\
                (from), (to), (prefetch_loc), (preferred_loc), (migrate_trigger)
 
-#define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, 
migrate_trigger)\
-               "%lld -%d @%lx(%lx) %x->%x %d\n", (ns), (pid), (start), (size),\
-               (from), (to), (migrate_trigger)
+#define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, 
migrate_trigger, result)\
+               "%lld -%d @%lx(%lx) %x->%x %d %d\n", (ns), (pid), (start), 
(size),\
+               (from), (to), (migrate_trigger), (result)
 
 #define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, node, evict_trigger)\
                "%lld -%d %x %d\n", (ns), (pid), (node), (evict_trigger)
-- 
2.35.1

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