Re: [RFC PATCH] target/ppc: Add capability for enabling secure guests

2020-03-22 Thread David Gibson
On Fri, Mar 20, 2020 at 08:23:53PM -0300, Fabiano Rosas wrote: > Making use of ppc's Protected Execution Facility (PEF) feature, a > guest can become a secure guest (aka. secure VM - SVM) and have its > memory protected from access by the host. This feature is mediated by > a piece of firmware call

[RFC PATCH] target/ppc: Add capability for enabling secure guests

2020-03-20 Thread Fabiano Rosas
Making use of ppc's Protected Execution Facility (PEF) feature, a guest can become a secure guest (aka. secure VM - SVM) and have its memory protected from access by the host. This feature is mediated by a piece of firmware called the Ultravisor (UV). The transition from a regular to a secure VM i