tree 8735fe3061fe96f8e5c6fc36a12162e783051e76
parent bafc90bdc594a4d04db846bd8712bdcec59678a8
author Gerd Hoffmann <kraxel@redhat.com> 1430902710 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1433526313 +0200

ich9: implement SMI_LOCK

Add write mask for the smi enable register, so we can disable write
access to certain bits.  Open all bits on reset.  Disable write access
to GBL_SMI_EN when SMI_LOCK (in ich9 lpc pci config space) is set.
Write access to SMI_LOCK itself is disabled too.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>