summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/acpi_rimt.h28
-rw-r--r--include/linux/io-pgtable.h1
2 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/acpi_rimt.h b/include/linux/acpi_rimt.h
new file mode 100644
index 000000000000..fad3adc4d899
--- /dev/null
+++ b/include/linux/acpi_rimt.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2024-2025, Ventana Micro Systems Inc.
+ * Author: Sunil V L <sunilvl@ventanamicro.com>
+ */
+
+#ifndef _ACPI_RIMT_H
+#define _ACPI_RIMT_H
+
+#ifdef CONFIG_ACPI_RIMT
+int rimt_iommu_register(struct device *dev);
+#else
+static inline int rimt_iommu_register(struct device *dev)
+{
+ return -ENODEV;
+}
+#endif
+
+#if defined(CONFIG_IOMMU_API) && defined(CONFIG_ACPI_RIMT)
+int rimt_iommu_configure_id(struct device *dev, const u32 *id_in);
+#else
+static inline int rimt_iommu_configure_id(struct device *dev, const u32 *id_in)
+{
+ return -ENODEV;
+}
+#endif
+
+#endif /* _ACPI_RIMT_H */
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 138fbd89b1e6..8a823c6f2b4a 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -180,6 +180,7 @@ struct io_pgtable_cfg {
struct {
u64 ttbr[4];
u32 n_ttbrs;
+ u32 n_levels;
} apple_dart_cfg;
struct {