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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-11-25 09:14:01 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-11-25 09:14:01 +0100 |
| commit | b588d4451a04632c7bb2f558fc74bb11e922f3b1 (patch) | |
| tree | 5aae76dff1642e4fd20b7b2b6b03f544333bbe45 /docs/misc/vtpm.txt | |
| parent | e4260547876abddbf0bc604b70292c7f7d47999f (diff) | |
| download | xen-b588d4451a04632c7bb2f558fc74bb11e922f3b1.tar.gz xen-b588d4451a04632c7bb2f558fc74bb11e922f3b1.tar.bz2 xen-b588d4451a04632c7bb2f558fc74bb11e922f3b1.zip | |
Update vtpm driver following the recent changes to the
xenbus driver and its semantics.
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
Diffstat (limited to 'docs/misc/vtpm.txt')
| -rw-r--r-- | docs/misc/vtpm.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/docs/misc/vtpm.txt b/docs/misc/vtpm.txt index d6be99d024..f9532e9c7d 100644 --- a/docs/misc/vtpm.txt +++ b/docs/misc/vtpm.txt @@ -73,7 +73,14 @@ information about the domain where the virtual TPM is running and where the TPM backend has been compiled into - this has to be domain 0 at the moment - and which TPM instance the user domain is supposed to talk to. Note that each running VM must use a -different instance and that using instance 0 is NOT allowed. +different instance and that using instance 0 is NOT allowed. The +instance parameter is taken as the desired instance number, but +the actual instance number that is assigned to the virtual machine +can be different. This is the case if for example that particular +instance is already used by another virtual machine. The association +of which TPM instance number is used by which virtual machine is +kept in the file /etc/xen/vtpm.db. Associations are maintained by +domain name and instance number. Note: If you do not want TPM functionality for your user domain simply leave out the 'vtpm' line in the configuration file. |