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3676bc69b3
Implement support for TPM on ppc64 by implementing the vTPM CRQ interface as a frontend. It can use the tpm_emulator driver backend with the external swtpm. The Linux vTPM driver for ppc64 works with this emulation. This TPM emulator also handles the TPM 2 case. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20200121152935.649898-4-stefanb@linux.ibm.com> [dwg: Use device_class_set_props(), tweak Kconfig] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
155 lines
2.9 KiB
Python
155 lines
2.9 KiB
Python
# -*- Mode: Python -*-
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#
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##
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# = TPM (trusted platform module) devices
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##
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##
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# @TpmModel:
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#
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# An enumeration of TPM models
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#
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# @tpm-tis: TPM TIS model
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# @tpm-crb: TPM CRB model (since 2.12)
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# @tpm-spapr: TPM SPAPR model (since 5.0)
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#
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# Since: 1.5
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##
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{ 'enum': 'TpmModel', 'data': [ 'tpm-tis', 'tpm-crb', 'tpm-spapr' ] }
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##
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# @query-tpm-models:
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#
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# Return a list of supported TPM models
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#
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# Returns: a list of TpmModel
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#
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# Since: 1.5
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#
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# Example:
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#
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# -> { "execute": "query-tpm-models" }
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# <- { "return": [ "tpm-tis", "tpm-crb", "tpm-spapr" ] }
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#
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##
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{ 'command': 'query-tpm-models', 'returns': ['TpmModel'] }
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##
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# @TpmType:
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#
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# An enumeration of TPM types
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#
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# @passthrough: TPM passthrough type
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# @emulator: Software Emulator TPM type
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# Since: 2.11
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#
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# Since: 1.5
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##
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{ 'enum': 'TpmType', 'data': [ 'passthrough', 'emulator' ] }
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##
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# @query-tpm-types:
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#
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# Return a list of supported TPM types
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#
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# Returns: a list of TpmType
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#
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# Since: 1.5
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#
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# Example:
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#
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# -> { "execute": "query-tpm-types" }
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# <- { "return": [ "passthrough", "emulator" ] }
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#
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##
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{ 'command': 'query-tpm-types', 'returns': ['TpmType'] }
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##
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# @TPMPassthroughOptions:
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#
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# Information about the TPM passthrough type
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#
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# @path: string describing the path used for accessing the TPM device
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#
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# @cancel-path: string showing the TPM's sysfs cancel file
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# for cancellation of TPM commands while they are executing
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#
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# Since: 1.5
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##
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{ 'struct': 'TPMPassthroughOptions',
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'data': { '*path': 'str',
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'*cancel-path': 'str' } }
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##
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# @TPMEmulatorOptions:
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#
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# Information about the TPM emulator type
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#
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# @chardev: Name of a unix socket chardev
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#
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# Since: 2.11
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##
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{ 'struct': 'TPMEmulatorOptions', 'data': { 'chardev' : 'str' } }
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##
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# @TpmTypeOptions:
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#
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# A union referencing different TPM backend types' configuration options
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#
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# @type: 'passthrough' The configuration options for the TPM passthrough type
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# 'emulator' The configuration options for TPM emulator backend type
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#
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# Since: 1.5
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##
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{ 'union': 'TpmTypeOptions',
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'data': { 'passthrough' : 'TPMPassthroughOptions',
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'emulator': 'TPMEmulatorOptions' } }
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##
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# @TPMInfo:
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#
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# Information about the TPM
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#
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# @id: The Id of the TPM
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#
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# @model: The TPM frontend model
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#
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# @options: The TPM (backend) type configuration options
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#
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# Since: 1.5
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##
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{ 'struct': 'TPMInfo',
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'data': {'id': 'str',
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'model': 'TpmModel',
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'options': 'TpmTypeOptions' } }
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##
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# @query-tpm:
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#
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# Return information about the TPM device
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#
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# Returns: @TPMInfo on success
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#
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# Since: 1.5
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#
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# Example:
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#
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# -> { "execute": "query-tpm" }
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# <- { "return":
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# [
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# { "model": "tpm-tis",
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# "options":
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# { "type": "passthrough",
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# "data":
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# { "cancel-path": "/sys/class/misc/tpm0/device/cancel",
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# "path": "/dev/tpm0"
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# }
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# },
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# "id": "tpm0"
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# }
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# ]
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# }
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#
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##
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{ 'command': 'query-tpm', 'returns': ['TPMInfo'] }
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