4 files changed, 40 insertions, 1 deletions
diff --git a/rust/helpers/pci.c b/rust/helpers/pci.c
index fb814572b236..bf8173979c5e 100644
--- a/rust/helpers/pci.c
+++ b/rust/helpers/pci.c
@@ -23,9 +23,21 @@ bool rust_helper_dev_is_pci(const struct device *dev)
 }
 
 #ifndef CONFIG_PCI_MSI
+int rust_helper_pci_alloc_irq_vectors(struct pci_dev *dev,
+				      unsigned int min_vecs,
+				      unsigned int max_vecs,
+				      unsigned int flags)
+{
+	return pci_alloc_irq_vectors(dev, min_vecs, max_vecs, flags);
+}
+
+void rust_helper_pci_free_irq_vectors(struct pci_dev *dev)
+{
+	pci_free_irq_vectors(dev);
+}
+
 int rust_helper_pci_irq_vector(struct pci_dev *pdev, unsigned int nvec)
 {
 	return pci_irq_vector(pdev, nvec);
 }
-
 #endif
diff --git a/rust/helpers/rbtree.c b/rust/helpers/rbtree.c
index 6d404b84a9b5..2a0eabbb4160 100644
--- a/rust/helpers/rbtree.c
+++ b/rust/helpers/rbtree.c
@@ -7,3 +7,13 @@ void rust_helper_rb_link_node(struct rb_node *node, struct rb_node *parent,
 {
 	rb_link_node(node, parent, rb_link);
 }
+
+struct rb_node *rust_helper_rb_first(const struct rb_root *root)
+{
+	return rb_first(root);
+}
+
+struct rb_node *rust_helper_rb_last(const struct rb_root *root)
+{
+	return rb_last(root);
+}
diff --git a/rust/helpers/time.c b/rust/helpers/time.c
index a318e9fa4408..67a36ccc3ec4 100644
--- a/rust/helpers/time.c
+++ b/rust/helpers/time.c
@@ -33,3 +33,8 @@ s64 rust_helper_ktime_to_ms(const ktime_t kt)
 {
 	return ktime_to_ms(kt);
 }
+
+void rust_helper_udelay(unsigned long usec)
+{
+	udelay(usec);
+}
diff --git a/rust/helpers/uaccess.c b/rust/helpers/uaccess.c
index f49076f813cd..4629b2d15529 100644
--- a/rust/helpers/uaccess.c
+++ b/rust/helpers/uaccess.c
@@ -13,3 +13,15 @@ unsigned long rust_helper_copy_to_user(void __user *to, const void *from,
 {
 	return copy_to_user(to, from, n);
 }
+
+#ifdef INLINE_COPY_FROM_USER
+unsigned long rust_helper__copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+	return _inline_copy_from_user(to, from, n);
+}
+
+unsigned long rust_helper__copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+	return _inline_copy_to_user(to, from, n);
+}
+#endif