1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _ASM_IA64_IOMMU_H 3*4882a593Smuzhiyun #define _ASM_IA64_IOMMU_H 1 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/acpi.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun /* 10 seconds */ 8*4882a593Smuzhiyun #define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10) 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun extern void no_iommu_init(void); 11*4882a593Smuzhiyun #ifdef CONFIG_INTEL_IOMMU 12*4882a593Smuzhiyun extern int force_iommu, no_iommu; 13*4882a593Smuzhiyun extern int iommu_detected; 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun static inline int __init arch_rmrr_sanity_check(struct acpi_dmar_reserved_memory * rmrr)16*4882a593Smuzhiyunarch_rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr) { return 0; } 17*4882a593Smuzhiyun #else 18*4882a593Smuzhiyun #define no_iommu (1) 19*4882a593Smuzhiyun #define iommu_detected (0) 20*4882a593Smuzhiyun #endif 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #endif 23