OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 cpuid.h	4.27 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 events.h	806 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hypercall.h	17.11 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hypervisor.h	2.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 interface.h	13.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 interface_32.h	2.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 interface_64.h	4.56 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page-coherent.h	1.28 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	9.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	2.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 swiotlb-xen.h	559 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 trace_types.h	480 bytes	01/28/2018 09:20:33 PM	rw-r--r--

Editing: page-coherent.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_XEN_PAGE_COHERENT_H
#define _ASM_X86_XEN_PAGE_COHERENT_H

#include <asm/page.h>
#include <linux/dma-mapping.h>

static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size,
		dma_addr_t *dma_handle, gfp_t flags,
		unsigned long attrs)
{
	void *vstart = (void*)__get_free_pages(flags, get_order(size));
	*dma_handle = virt_to_phys(vstart);
	return vstart;
}

static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
		void *cpu_addr, dma_addr_t dma_handle,
		unsigned long attrs)
{
	free_pages((unsigned long) cpu_addr, get_order(size));
}

static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
	     dma_addr_t dev_addr, unsigned long offset, size_t size,
	     enum dma_data_direction dir, unsigned long attrs) { }

static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
		size_t size, enum dma_data_direction dir,
		unsigned long attrs) { }

static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
		dma_addr_t handle, size_t size, enum dma_data_direction dir) { }

static inline void xen_dma_sync_single_for_device(struct device *hwdev,
		dma_addr_t handle, size_t size, enum dma_data_direction dir) { }

#endif /* _ASM_X86_XEN_PAGE_COHERENT_H */