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caff255a54
When the management layer queries a binary built using --disable-tpm
for TPM devices, it gets confused by getting empty responses:
{ "execute": "query-tpm" }
{
"return": [
]
}
{ "execute": "query-tpm-types" }
{
"return": [
]
}
{ "execute": "query-tpm-models" }
{
"return": [
]
}
To make it clearer by returning an error:
- Make the TPM QAPI schema conditional
All of tpm.json is now 'if': 'defined(CONFIG_TPM)'.
- Adapt the HMP command
- Remove stubs which became unnecessary
The management layer now gets a 'CommandNotFound' error:
{ "execute": "query-tpm" }
{
"error": {
"class": "CommandNotFound",
"desc": "The command query-tpm has not been found"
}
}
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
166 lines
3.2 KiB
Python
166 lines
3.2 KiB
Python
# -*- Mode: Python -*-
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# vim: filetype=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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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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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'if': 'defined(CONFIG_TPM)' }
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