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Diffstat (limited to 'arch/ia64/include/asm/iommu.h')
| -rw-r--r-- | arch/ia64/include/asm/iommu.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h new file mode 100644 index 000000000..156b9d8e1 --- /dev/null +++ b/arch/ia64/include/asm/iommu.h @@ -0,0 +1,22 @@ +/* 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 pci_iommu_shutdown(void); +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 iommu_dma_init(void); +extern void machvec_init(const char *name); + +#endif |