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-rw-r--r--arch/ia64/include/asm/dma-mapping.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
new file mode 100644
index 000000000..76e4d6632
--- /dev/null
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_IA64_DMA_MAPPING_H
+#define _ASM_IA64_DMA_MAPPING_H
+
+/*
+ * Copyright (C) 2003-2004 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#include <asm/machvec.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
+
+#define ARCH_HAS_DMA_GET_REQUIRED_MASK
+
+extern const struct dma_map_ops *dma_ops;
+extern struct ia64_machine_vector ia64_mv;
+extern void set_iommu_machvec(void);
+
+extern void machvec_dma_sync_single(struct device *, dma_addr_t, size_t,
+ enum dma_data_direction);
+extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int,
+ enum dma_data_direction);
+
+static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
+{
+ return platform_dma_get_ops(NULL);
+}
+
+#endif /* _ASM_IA64_DMA_MAPPING_H */