Re: [PATCH v4 2/7] qemu: tpm: Allow offline migration with TPM_EMULATOR only with shared storage

Allow migration with TPM_EMULATOR (swtpm) only if shared storage has been set up for the TPM state directory. Signed-off-by: Stefan Berger <stefanb(a)linux.ibm.com&gt; --- src/qemu/qemu_migration.c | 6 ++++++ src/qemu/qemu_tpm.c | 28 ++++++++++++++++++++++++++++ src/qemu/qemu_tpm.h | 5 +++++ 3 files changed, 39 insertions(+) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 33105cf07b..16bf7ac178 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -38,6 +38,7 @@ #include "qemu_security.h" #include "qemu_slirp.h" #include "qemu_block.h" +#include "qemu_tpm.h" #include "domain_audit.h" #include "virlog.h" @@ -2579,6 +2580,11 @@ qemuMigrationSrcBeginPhase(virQEMUDriver *driver, _("tunnelled offline migration does not make sense")); return NULL; } + if (qemuTPMHasSharedStorage(driver, vm->def) != 1) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("offline migration requires TPM state directory to be on shared storage"));