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/linux-6.14.4/Documentation/devicetree/bindings/perf/
Darm,smmu-v3-pmcg.yaml4 $id: http://devicetree.org/schemas/perf/arm,smmu-v3-pmcg.yaml#
14 An SMMUv3 may have several Performance Monitor Counter Group (PMCG).
24 - const: arm,mmu-600-pmcg
25 - const: arm,smmu-v3-pmcg
26 - const: arm,smmu-v3-pmcg
57 compatible = "arm,smmu-v3-pmcg";
65 compatible = "arm,smmu-v3-pmcg";
/linux-6.14.4/include/linux/
Dacpi_iort.h18 * PMCG model identifiers for use in smmu pmu driver. Please note
22 #define IORT_SMMU_V3_PMCG_GENERIC 0x00000000 /* Generic SMMUv3 PMCG */
23 #define IORT_SMMU_V3_PMCG_HISI_HIP08 0x00000001 /* HiSilicon HIP08 PMCG */
24 #define IORT_SMMU_V3_PMCG_HISI_HIP09 0x00000002 /* HiSilicon HIP09 PMCG */
/linux-6.14.4/drivers/acpi/arm64/
Diort.c413 struct acpi_iort_pmcg *pmcg; in iort_get_id_mapping_index() local
445 pmcg = (struct acpi_iort_pmcg *)node->node_data; in iort_get_id_mapping_index()
446 if (pmcg->overflow_gsiv || node->mapping_count == 0) in iort_get_id_mapping_index()
556 * device (such as SMMU, PMCG),its iort node already cached in iort_find_dev_node()
1672 struct acpi_iort_pmcg *pmcg; in arm_smmu_v3_pmcg_count_resources() local
1674 /* Retrieve PMCG specific data */ in arm_smmu_v3_pmcg_count_resources()
1675 pmcg = (struct acpi_iort_pmcg *)node->node_data; in arm_smmu_v3_pmcg_count_resources()
1681 return pmcg->overflow_gsiv ? 3 : 2; in arm_smmu_v3_pmcg_count_resources()
1687 struct acpi_iort_pmcg *pmcg; in arm_smmu_v3_pmcg_init_resources() local
1689 /* Retrieve PMCG specific data */ in arm_smmu_v3_pmcg_init_resources()
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/linux-6.14.4/drivers/perf/
Darm_smmuv3_pmu.c5 * Monitor Counter Groups (PMCG) associated with an SMMUv3 node
8 * SMMUv3 PMCG devices are named as smmuv3_pmcg_<phys_addr_page> where
9 * <phys_addr_page> is the physical page address of the SMMU PMCG wrapped
10 * to 4K boundary. For example, the PMCG at 0xff88840000 is named
815 "arm,mmu-600-pmcg"); in smmu_pmu_coresight_id_regs()
989 { .compatible = "arm,smmu-v3-pmcg" },
997 .name = "arm-smmu-v3-pmcg",
1011 "perf/arm/pmcg:online", in arm_smmu_pmu_init()
1033 MODULE_ALIAS("platform:arm-smmu-v3-pmcg");
DKconfig142 Groups (PMCG), which provide monitoring of transactions passing
/linux-6.14.4/Documentation/arch/arm64/
Dsilicon-errata.rst257 | Hisilicon | Hip08 SMMU PMCG | #162001800 | N/A |
261 | | SMMU PMCG | | |
/linux-6.14.4/drivers/iommu/arm/arm-smmu-v3/
Darm-smmu-v3.c4708 * the PMCG registers which are reserved by the PMU driver. in arm_smmu_device_probe()