https://github.com/torvalds/linux
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Tip revision: 6fbc7275c7a9ba97877050335f290341a1fd8dbf authored by Linus Torvalds on 30 June 2019, 03:25:36 UTC
Linux 5.2-rc7
Tip revision: 6fbc727
iommu.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_IOMMU_H
#define _ASM_IA64_IOMMU_H 1

/* 10 seconds */
#define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)

extern void no_iommu_init(void);
#ifdef	CONFIG_INTEL_IOMMU
extern int force_iommu, no_iommu;
extern int iommu_pass_through;
extern int iommu_detected;
#else
#define iommu_pass_through	(0)
#define no_iommu		(1)
#define iommu_detected		(0)
#endif
extern void machvec_init(const char *name);

#endif
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