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a6a5006d KL |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | ||
3 | /* | |
4 | * PERFCFGOFF_REG, PERFFRZOFF_REG | |
5 | * PERFOVFOFF_REG, PERFCNTROFF_REG | |
6 | */ | |
7 | #define IOMMU_PMU_NUM_OFF_REGS 4 | |
8 | #define IOMMU_PMU_OFF_REGS_STEP 4 | |
9 | ||
7232ab8b KL |
10 | #define IOMMU_PMU_FILTER_REQUESTER_ID 0x01 |
11 | #define IOMMU_PMU_FILTER_DOMAIN 0x02 | |
12 | #define IOMMU_PMU_FILTER_PASID 0x04 | |
13 | #define IOMMU_PMU_FILTER_ATS 0x08 | |
14 | #define IOMMU_PMU_FILTER_PAGE_TABLE 0x10 | |
15 | ||
16 | #define IOMMU_PMU_FILTER_EN BIT(31) | |
17 | ||
a6a5006d KL |
18 | #define IOMMU_PMU_CFG_OFFSET 0x100 |
19 | #define IOMMU_PMU_CFG_CNTRCAP_OFFSET 0x80 | |
20 | #define IOMMU_PMU_CFG_CNTREVCAP_OFFSET 0x84 | |
21 | #define IOMMU_PMU_CFG_SIZE 0x8 | |
22 | #define IOMMU_PMU_CFG_FILTERS_OFFSET 0x4 | |
23 | ||
24 | #define IOMMU_PMU_CAP_REGS_STEP 8 | |
25 | ||
26 | #define iommu_cntrcap_pcc(p) ((p) & 0x1) | |
27 | #define iommu_cntrcap_cw(p) (((p) >> 8) & 0xff) | |
28 | #define iommu_cntrcap_ios(p) (((p) >> 16) & 0x1) | |
29 | #define iommu_cntrcap_egcnt(p) (((p) >> 28) & 0xf) | |
30 | ||
7232ab8b KL |
31 | #define IOMMU_EVENT_CFG_EGI_SHIFT 8 |
32 | #define IOMMU_EVENT_CFG_ES_SHIFT 32 | |
33 | #define IOMMU_EVENT_CFG_INT BIT_ULL(1) | |
34 | ||
a6a5006d KL |
35 | #define iommu_event_select(p) ((p) & 0xfffffff) |
36 | #define iommu_event_group(p) (((p) >> 28) & 0xf) | |
37 | ||
38 | #ifdef CONFIG_INTEL_IOMMU_PERF_EVENTS | |
39 | int alloc_iommu_pmu(struct intel_iommu *iommu); | |
40 | void free_iommu_pmu(struct intel_iommu *iommu); | |
7232ab8b KL |
41 | void iommu_pmu_register(struct intel_iommu *iommu); |
42 | void iommu_pmu_unregister(struct intel_iommu *iommu); | |
a6a5006d KL |
43 | #else |
44 | static inline int | |
45 | alloc_iommu_pmu(struct intel_iommu *iommu) | |
46 | { | |
47 | return 0; | |
48 | } | |
49 | ||
50 | static inline void | |
51 | free_iommu_pmu(struct intel_iommu *iommu) | |
52 | { | |
53 | } | |
7232ab8b KL |
54 | |
55 | static inline void | |
56 | iommu_pmu_register(struct intel_iommu *iommu) | |
57 | { | |
58 | } | |
59 | ||
60 | static inline void | |
61 | iommu_pmu_unregister(struct intel_iommu *iommu) | |
62 | { | |
63 | } | |
a6a5006d | 64 | #endif /* CONFIG_INTEL_IOMMU_PERF_EVENTS */ |