Re: [libvirt PATCH 2/3] qemu: fill in domain capabilities for TPMs

This reports what TPM features QEMU supports, provided that swtpm is installed in the host. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; ---

71 files changed, 104 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index a4c492dde2..374909bef2 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -49,6 +49,7 @@ #include "qemu_process.h" #include "qemu_firmware.h" #include "virutil.h" +#include "virtpm.h" #include <fcntl.h> #include <sys/stat.h> @@ -6206,6 +6207,35 @@ virQEMUCapsFillDomainDeviceFSCaps(virQEMUCaps *qemuCaps, } +void +virQEMUCapsFillDomainDeviceTPMCaps(virQEMUCaps *qemuCaps, + virDomainCapsDeviceTPM *tpm) +{ + if (virTPMEmulatorInit() < 0) { + virResetLastError(); + tpm->supported = VIR_TRISTATE_BOOL_NO; + } else {

+ tpm->supported = VIR_TRISTATE_BOOL_YES; + tpm->model.report = true; + tpm->backendModel.report = true; + + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_TIS)) + VIR_DOMAIN_CAPS_ENUM_SET(tpm->model, VIR_DOMAIN_TPM_MODEL_TIS); + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_CRB)) + VIR_DOMAIN_CAPS_ENUM_SET(tpm->model, VIR_DOMAIN_TPM_MODEL_CRB); + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_SPAPR)) + VIR_DOMAIN_CAPS_ENUM_SET(tpm->model, VIR_DOMAIN_TPM_MODEL_SPAPR); + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPAPR_TPM_PROXY)) + VIR_DOMAIN_CAPS_ENUM_SET(tpm->model, VIR_DOMAIN_TPM_MODEL_SPAPR_PROXY); + + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_PASSTHROUGH)) + VIR_DOMAIN_CAPS_ENUM_SET(tpm->backendModel, VIR_DOMAIN_TPM_TYPE_PASSTHROUGH); + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_EMULATOR)) + VIR_DOMAIN_CAPS_ENUM_SET(tpm->backendModel, VIR_DOMAIN_TPM_TYPE_EMULATOR); + } +}