xref: /openbmc/libcper/specification/json/sections/cper-vtd-dmar.json (revision d9835a173ed9611090acc6d51493128a5e387385)

{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "description": "VT for Directed I/O specific DMAr Error Section",
    "required": [
        "version",
        "revision",
        "oemID",
        "capabilityRegister",
        "extendedCapabilityRegister",
        "globalCommandRegister",
        "globalStatusRegister",
        "faultStatusRegister",
        "faultRecord",
        "rootEntry",
        "contextEntry",
        "pageTableEntry_Level6",
        "pageTableEntry_Level5",
        "pageTableEntry_Level4",
        "pageTableEntry_Level3",
        "pageTableEntry_Level2",
        "pageTableEntry_Level1"
    ],
    "additionalProperties": false,
    "properties": {
        "version": {
            "type": "integer",
            "description": "Value of version register as defined in VT-d architecture"
        },
        "revision": {
            "type": "integer",
            "description": "Value of revision field in VT-d specific DMA remapping reporting structure"
        },
        "oemID": {
            "type": "integer",
            "description": "Value of OEM ID field in VT-d specific DMA remapping reporting structure"
        },
        "capabilityRegister": {
            "type": "integer",
            "description": "Value of capability register in VT-d architecture"
        },
        "extendedCapabilityRegister": {
            "type": "integer",
            "description": "Value of extended capability register in VT-d architecture"
        },
        "globalCommandRegister": {
            "type": "integer",
            "description": "Value of Global Command register in VT-d architecture programmed by the operating system"
        },
        "globalStatusRegister": {
            "type": "integer",
            "description": "Value of Global Status register in VT-d architecture"
        },
        "faultStatusRegister": {
            "type": "integer",
            "description": "Value of Fault Status register in VT-d architecture"
        },
        "faultRecord": {
            "type": "object",
            "description": "Fault record as defined in the VT-d specification",
            "required": [
                "faultInformation",
                "sourceIdentifier",
                "privelegeModeRequested",
                "executePermissionRequested",
                "pasidPresent",
                "faultReason",
                "pasidValue",
                "addressType",
                "type"
            ],
            "properties": {
                "faultInformation": {
                    "type": "integer"
                },
                "sourceIdentifier": {
                    "type": "integer"
                },
                "privelegeModeRequested": {
                    "type": "boolean"
                },
                "executePermissionRequested": {
                    "type": "boolean"
                },
                "pasidPresent": {
                    "type": "boolean"
                },
                "faultReason": {
                    "type": "integer"
                },
                "pasidValue": {
                    "type": "integer"
                },
                "addressType": {
                    "type": "integer"
                },
                "type": {
                    "type": "object",
                    "$ref": "./common/cper-json-nvp.json"
                }
            }
        },
        "rootEntry": {
            "type": "string",
            "description": "Value from the root entry table for the given requester-ID."
        },
        "contextEntry": {
            "type": "string",
            "description": "Value from the context entry table for the given requester-ID."
        },
        "pageTableEntry_Level6": {
            "type": "integer",
            "description": "PTE entry for device virtual address in page level 6."
        },
        "pageTableEntry_Level5": {
            "type": "integer",
            "description": "PTE entry for device virtual address in page level 5."
        },
        "pageTableEntry_Level4": {
            "type": "integer",
            "description": "PTE entry for device virtual address in page level 4."
        },
        "pageTableEntry_Level3": {
            "type": "integer",
            "description": "PTE entry for device virtual address in page level 3."
        },
        "pageTableEntry_Level2": {
            "type": "integer",
            "description": "PTE entry for device virtual address in page level 2."
        },
        "pageTableEntry_Level1": {
            "type": "integer",
            "description": "PTE entry for device virtual address in page level 1."
        }
    }
}