GNU bug report logs - #29724
[PATCH 1/2] vm: Pass the host's /dev/urandom to the guest at /dev/hwrng.

Previous Next

To add a comment to this bug, you must first unarchive it, by sending
a message to control AT debbugs.gnu.org, with unarchive 29724 in the body.
You can then email your comments to 29724 AT debbugs.gnu.org in the normal way.

Toggle the display of automated, internal messages from the tracker.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: guix-patches <at> gnu.org
Subject: [PATCH 1/2] vm: Pass the host's /dev/urandom to the guest at
 /dev/hwrng.
Date: Fri, 15 Dec 2017 15:18:12 -0500

* gnu/build/vm.scm (load-in-linux-vm): Use QEMU's virtio-rng-pci.
* gnu/system/vm.scm (common-qemu-options): Likewise.
---
 gnu/build/vm.scm  | 4 +++-
 gnu/system/vm.scm | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 8f8ca609f..404f32404 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo <at> gnu.org>
 ;;; Copyright © 2016 Christopher Allan Webber <cwebber <at> dustycloud.org>
-;;; Copyright © 2016 Leo Famulari <leo <at> famulari.name>
+;;; Copyright © 2016, 2017 Leo Famulari <leo <at> famulari.name>
 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe <at> gmail.com>
 ;;; Copyright © 2017 Marius Bakke <mbakke <at> fastmail.com>
 ;;;
@@ -139,6 +139,8 @@ the #:references-graphs parameter of 'derivation'."
   (unless (zero?
            (apply system* qemu "-nographic" "-no-reboot"
                   "-m" (number->string memory-size)
+                  "-object" "rng-random,filename=/dev/urandom,id=guixsd-vm-rng"
+                  "-device" "virtio-rng-pci,rng=guixsd-vm-rng"
                   "-virtfs"
                   (string-append "local,id=store_dev,path="
                                  (%store-directory)
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 6102d465b..4acb9b1cc 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo <at> gnu.org>
 ;;; Copyright © 2016 Christopher Allan Webber <cwebber <at> dustycloud.org>
-;;; Copyright © 2016 Leo Famulari <leo <at> famulari.name>
+;;; Copyright © 2016, 2017 Leo Famulari <leo <at> famulari.name>
 ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe <at> gmail.com>
 ;;; Copyright © 2017 Marius Bakke <mbakke <at> fastmail.com>
 ;;;
@@ -666,6 +666,8 @@ with '-virtfs' options for the host file systems listed in SHARED-FS."
 
      "-no-reboot"
      "-net nic,model=virtio"
+     "-object" "rng-random,filename=/dev/urandom,id=guixsd-vm-rng"
+     "-device" "virtio-rng-pci,rng=guixsd-vm-rng"
 
      #$@(map virtfs-option shared-fs)
      "-vga std"
-- 
2.15.1

Message #8 received at 29724 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Leo Famulari <leo <at> famulari.name>
Cc: 29724 <at> debbugs.gnu.org
Subject: Re: [bug#29724] [PATCH 1/2] vm: Pass the host's /dev/urandom to the
 guest at /dev/hwrng.
Date: Sun, 17 Dec 2017 16:27:16 +0100

Leo Famulari <leo <at> famulari.name> skribis:

> * gnu/build/vm.scm (load-in-linux-vm): Use QEMU's virtio-rng-pci.
> * gnu/system/vm.scm (common-qemu-options): Likewise.

LGTM!

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.