On 09/08/2014 09:05 PM, Stefan Berger wrote:
From: Stefan Berger <[email protected]>
Pass the TPM file descriptor to QEMU via command line.
Instead of passing /dev/tpm0 we now pass /dev/fdset/10 and the additional
parameters -add-fd set=10,fd=20.
This addresses the use case when QEMU is started with non-root privileges
and QEMU cannot open /dev/tpm0 for example.
One problem is that for the passing of the file descriptor set to work,
virCommandReorderFDs must not be called on the virCommand. This is prevented
by setting a flag in the virCommandPassFDGetFDIndex that is checked to be
clear when virCommandReorderFDs is run.
Signed-off-by: Stefan Berger <[email protected]>
---
src/libvirt_private.syms | 1 +
src/qemu/qemu_command.c | 132 ++++++++++++++++++++++++++++++++++++++++++++---
src/util/vircommand.c | 33 ++++++++++++
src/util/vircommand.h | 3 ++
4 files changed, 162 insertions(+), 7 deletions(-)
Does anyone have comments?
Stefan
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