1*5b26547dSBorislav Petkov /* 2*5b26547dSBorislav Petkov * Copyright (C) 2013 Advanced Micro Devices, Inc. 3*5b26547dSBorislav Petkov * 4*5b26547dSBorislav Petkov * Author: Steven Kinney <Steven.Kinney@amd.com> 5*5b26547dSBorislav Petkov * Author: Suravee Suthikulpanit <Suraveee.Suthikulpanit@amd.com> 6*5b26547dSBorislav Petkov * 7*5b26547dSBorislav Petkov * This program is free software; you can redistribute it and/or modify 8*5b26547dSBorislav Petkov * it under the terms of the GNU General Public License version 2 as 9*5b26547dSBorislav Petkov * published by the Free Software Foundation. 10*5b26547dSBorislav Petkov */ 11*5b26547dSBorislav Petkov 12*5b26547dSBorislav Petkov #ifndef _PERF_EVENT_AMD_IOMMU_H_ 13*5b26547dSBorislav Petkov #define _PERF_EVENT_AMD_IOMMU_H_ 14*5b26547dSBorislav Petkov 15*5b26547dSBorislav Petkov /* iommu pc mmio region register indexes */ 16*5b26547dSBorislav Petkov #define IOMMU_PC_COUNTER_REG 0x00 17*5b26547dSBorislav Petkov #define IOMMU_PC_COUNTER_SRC_REG 0x08 18*5b26547dSBorislav Petkov #define IOMMU_PC_PASID_MATCH_REG 0x10 19*5b26547dSBorislav Petkov #define IOMMU_PC_DOMID_MATCH_REG 0x18 20*5b26547dSBorislav Petkov #define IOMMU_PC_DEVID_MATCH_REG 0x20 21*5b26547dSBorislav Petkov #define IOMMU_PC_COUNTER_REPORT_REG 0x28 22*5b26547dSBorislav Petkov 23*5b26547dSBorislav Petkov /* maximun specified bank/counters */ 24*5b26547dSBorislav Petkov #define PC_MAX_SPEC_BNKS 64 25*5b26547dSBorislav Petkov #define PC_MAX_SPEC_CNTRS 16 26*5b26547dSBorislav Petkov 27*5b26547dSBorislav Petkov /* iommu pc reg masks*/ 28*5b26547dSBorislav Petkov #define IOMMU_BASE_DEVID 0x0000 29*5b26547dSBorislav Petkov 30*5b26547dSBorislav Petkov /* amd_iommu_init.c external support functions */ 31*5b26547dSBorislav Petkov extern bool amd_iommu_pc_supported(void); 32*5b26547dSBorislav Petkov 33*5b26547dSBorislav Petkov extern u8 amd_iommu_pc_get_max_banks(u16 devid); 34*5b26547dSBorislav Petkov 35*5b26547dSBorislav Petkov extern u8 amd_iommu_pc_get_max_counters(u16 devid); 36*5b26547dSBorislav Petkov 37*5b26547dSBorislav Petkov extern int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, 38*5b26547dSBorislav Petkov u8 fxn, u64 *value, bool is_write); 39*5b26547dSBorislav Petkov 40*5b26547dSBorislav Petkov #endif /*_PERF_EVENT_AMD_IOMMU_H_*/ 41