1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
new file mode 100644
index 000000000000..79da859f02b1
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#include "xe_svm.h"
+#include "xe_vm.h"
+#include "xe_vm_types.h"
+
+static void xe_svm_invalidate(struct drm_gpusvm *gpusvm,
+			      struct drm_gpusvm_notifier *notifier,
+			      const struct mmu_notifier_range *mmu_range)
+{
+	/* TODO: Implement */
+}
+
+static const struct drm_gpusvm_ops gpusvm_ops = {
+	.invalidate = xe_svm_invalidate,
+};
+
+static const unsigned long fault_chunk_sizes[] = {
+	SZ_2M,
+	SZ_64K,
+	SZ_4K,
+};
+
+/**
+ * xe_svm_init() - SVM initialize
+ * @vm: The VM.
+ *
+ * Initialize SVM state which is embedded within the VM.
+ *
+ * Return: 0 on success, negative error code on error.
+ */
+int xe_svm_init(struct xe_vm *vm)
+{
+	int err;
+
+	err = drm_gpusvm_init(&vm->svm.gpusvm, "Xe SVM", &vm->xe->drm,
+			      current->mm, NULL, 0, vm->size,
+			      SZ_512M, &gpusvm_ops, fault_chunk_sizes,
+			      ARRAY_SIZE(fault_chunk_sizes));
+	if (err)
+		return err;
+
+	drm_gpusvm_driver_set_lock(&vm->svm.gpusvm, &vm->lock);
+
+	return 0;
+}
+
+/**
+ * xe_svm_close() - SVM close
+ * @vm: The VM.
+ *
+ * Close SVM state (i.e., stop and flush all SVM actions).
+ */
+void xe_svm_close(struct xe_vm *vm)
+{
+	xe_assert(vm->xe, xe_vm_is_closed(vm));
+}
+
+/**
+ * xe_svm_fini() - SVM finalize
+ * @vm: The VM.
+ *
+ * Finalize SVM state which is embedded within the VM.
+ */
+void xe_svm_fini(struct xe_vm *vm)
+{
+	xe_assert(vm->xe, xe_vm_is_closed(vm));
+
+	drm_gpusvm_fini(&vm->svm.gpusvm);
+}