41 строка
1.2 KiB
C
41 строка
1.2 KiB
C
/*
|
|
* 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
|
|
|
|
/* iommu pc reg masks*/
|
|
#define IOMMU_BASE_DEVID 0x0000
|
|
|
|
/* amd_iommu_init.c external support functions */
|
|
extern bool amd_iommu_pc_supported(void);
|
|
|
|
extern u8 amd_iommu_pc_get_max_banks(u16 devid);
|
|
|
|
extern u8 amd_iommu_pc_get_max_counters(u16 devid);
|
|
|
|
extern int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr,
|
|
u8 fxn, u64 *value, bool is_write);
|
|
|
|
#endif /*_PERF_EVENT_AMD_IOMMU_H_*/
|