| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546 |
- /*
- * Copyright (C) 2013 Advanced Micro Devices, Inc.
- *
- * Author: Steven Kinney <Steven.Kinney@amd.com>
- * Author: Suravee Suthikulpanit <Suraveee.Suthikulpanit@amd.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef _PERF_EVENT_AMD_IOMMU_H_
- #define _PERF_EVENT_AMD_IOMMU_H_
- /* iommu pc mmio region register indexes */
- #define IOMMU_PC_COUNTER_REG 0x00
- #define IOMMU_PC_COUNTER_SRC_REG 0x08
- #define IOMMU_PC_PASID_MATCH_REG 0x10
- #define IOMMU_PC_DOMID_MATCH_REG 0x18
- #define IOMMU_PC_DEVID_MATCH_REG 0x20
- #define IOMMU_PC_COUNTER_REPORT_REG 0x28
- /* maximun specified bank/counters */
- #define PC_MAX_SPEC_BNKS 64
- #define PC_MAX_SPEC_CNTRS 16
- struct amd_iommu;
- /* amd_iommu_init.c external support functions */
- extern int amd_iommu_get_num_iommus(void);
- extern bool amd_iommu_pc_supported(void);
- extern u8 amd_iommu_pc_get_max_banks(unsigned int idx);
- extern u8 amd_iommu_pc_get_max_counters(unsigned int idx);
- extern int amd_iommu_pc_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr,
- u8 fxn, u64 *value);
- extern int amd_iommu_pc_get_reg(struct amd_iommu *iommu, u8 bank, u8 cntr,
- u8 fxn, u64 *value);
- extern struct amd_iommu *get_amd_iommu(int idx);
- #endif /*_PERF_EVENT_AMD_IOMMU_H_*/
|
