Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / x86 / kernel / cpu / perf_event_amd_iommu.h
1 /*
2  * Copyright (C) 2013 Advanced Micro Devices, Inc.
3  *
4  * Author: Steven Kinney <Steven.Kinney@amd.com>
5  * Author: Suravee Suthikulpanit <Suraveee.Suthikulpanit@amd.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11
12 #ifndef _PERF_EVENT_AMD_IOMMU_H_
13 #define _PERF_EVENT_AMD_IOMMU_H_
14
15 /* iommu pc mmio region register indexes */
16 #define IOMMU_PC_COUNTER_REG                    0x00
17 #define IOMMU_PC_COUNTER_SRC_REG                0x08
18 #define IOMMU_PC_PASID_MATCH_REG                0x10
19 #define IOMMU_PC_DOMID_MATCH_REG                0x18
20 #define IOMMU_PC_DEVID_MATCH_REG                0x20
21 #define IOMMU_PC_COUNTER_REPORT_REG             0x28
22
23 /* maximun specified bank/counters */
24 #define PC_MAX_SPEC_BNKS                        64
25 #define PC_MAX_SPEC_CNTRS                       16
26
27 /* iommu pc reg masks*/
28 #define IOMMU_BASE_DEVID                        0x0000
29
30 /* amd_iommu_init.c external support functions */
31 extern bool amd_iommu_pc_supported(void);
32
33 extern u8 amd_iommu_pc_get_max_banks(u16 devid);
34
35 extern u8 amd_iommu_pc_get_max_counters(u16 devid);
36
37 extern int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr,
38                         u8 fxn, u64 *value, bool is_write);
39
40 #endif /*_PERF_EVENT_AMD_IOMMU_H_*/