Messages in this thread | | | Date | Mon, 25 Dec 2023 17:07:29 +0100 | Subject | Re: [PATCH v7] misc: Add Nitro Secure Module driver | From | Alexander Graf <> |
| |
Hey Michael,
On 25.12.23 15:06, Michael S. Tsirkin wrote: > On Wed, Oct 11, 2023 at 09:35:22PM +0000, Alexander Graf wrote: >> When running Linux inside a Nitro Enclave, the hypervisor provides a >> special virtio device called "Nitro Security Module" (NSM). This device >> has 3 main functions: >> >> 1) Provide attestation reports >> 2) Modify PCR state >> 3) Provide entropy >> >> This patch adds a driver for NSM that exposes a /dev/nsm device node which >> user space can issue an ioctl on this device with raw NSM CBOR formatted >> commands to request attestation documents, influence PCR states, read >> entropy and enumerate status of the device. In addition, the driver >> implements a hwrng backend. >> >> Originally-by: Petre Eftime <petre.eftime@gmail.com> >> Signed-off-by: Alexander Graf <graf@amazon.com> > Alex are you going to publish the spec patch for this device? Important > so we don't need to guess at behaviour when e.g. making changes to > virtio APIs. Also, which tree do you want this to go through?
The spec patch including ping mail are sitting on the virtio-comments mailing list since October. I haven't seen any reply unfortunately :(
https://lore.kernel.org/virtio-comment/20231025235345.17788-1-graf@amazon.com/
Happy to read feedback if you have any :).
This patch here is already applied in Greg's misc tree which I'm happy to have it trickle to Linus through.
Alex
Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879
| |