1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_XEN_PAGE_COHERENT_H
3#define _ASM_X86_XEN_PAGE_COHERENT_H
4
5#include <asm/page.h>
6#include <linux/dma-mapping.h>
7
8static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size,
9		dma_addr_t *dma_handle, gfp_t flags,
10		unsigned long attrs)
11{
12	void *vstart = (void*)__get_free_pages(flags, get_order(size));
13	*dma_handle = virt_to_phys(vstart);
14	return vstart;
15}
16
17static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
18		void *cpu_addr, dma_addr_t dma_handle,
19		unsigned long attrs)
20{
21	free_pages((unsigned long) cpu_addr, get_order(size));
22}
23
24#endif /* _ASM_X86_XEN_PAGE_COHERENT_H */
25