33 lines
626 B
C
Executable file
33 lines
626 B
C
Executable file
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Dynamic DMA mapping support.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/string.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/module.h>
|
|
#include <linux/dmar.h>
|
|
#include <asm/iommu.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/kernel.h>
|
|
#include <asm/page.h>
|
|
|
|
int no_iommu __read_mostly;
|
|
#ifdef CONFIG_IOMMU_DEBUG
|
|
int force_iommu __read_mostly = 1;
|
|
#else
|
|
int force_iommu __read_mostly;
|
|
#endif
|
|
|
|
static int __init pci_iommu_init(void)
|
|
{
|
|
if (iommu_detected)
|
|
intel_iommu_init();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Must execute after PCI subsystem */
|
|
fs_initcall(pci_iommu_init);
|