[19.04 FEAT] KVM : Support for configurable virtio-crypto

Bug #1802514 reported by bugproxy on 2018-11-09
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Ubuntu on IBM z Systems
Frank Heimes
linux (Ubuntu)
Skipper Bug Screeners

Bug Description

Description: Enable KVM guests to use the virtio-crypto device to perform all crypto algorithms provided by the hypervisor crypto backend. This is done by implementing a handshake between the guest driver and host backend.

Business Value: Increased flexibility by decoupling guest and host virtio-crypto capabilities and better compatibility between guest and host in the case of software upgrades.

kernel 4.19:
C: crypto: virtio - Read crypto services and algorithm masks [b551bac14a]
C: crypto: virtio - Register an algo only if it's supported [d0d859bb87]

bugproxy (bugproxy) on 2018-11-09
tags: added: architecture-s39064 bugnameltc-173012 severity-high targetmilestone-inin1904
Changed in ubuntu:
assignee: nobody → Skipper Bug Screeners (skipper-screen-team)
affects: ubuntu → linux (Ubuntu)
Frank Heimes (frank-heimes) wrote :

Since the target kernel for disco is 4.20 / 4.21 this is in plan.
So will not assign, but monitor this ...

Changed in ubuntu-z-systems:
status: New → Triaged
importance: Undecided → High
Changed in ubuntu-z-systems:
assignee: nobody → Skipper Bug Screeners (skipper-screen-team)

------- Comment From <email address hidden> 2019-02-01 07:49 EDT-------
git commit. kernel 4.19:
Read crypto services and algorithm masks [b551bac14a]
Register an algo only if it's supported [d0d859bb87]

Frank Heimes (frank-heimes) wrote :

I verified that these two patches landed in the current 4.19 kernel of disco (in release pocket now) - hence changing ticket to Fix Released.

Changed in ubuntu-z-systems:
assignee: Skipper Bug Screeners (skipper-screen-team) → Frank Heimes (frank-heimes)
Changed in linux (Ubuntu):
status: New → Fix Released
Changed in ubuntu-z-systems:
status: Triaged → Fix Released
information type: Private → Public
bugproxy (bugproxy) wrote :

------- Comment From <email address hidden> 2019-02-05 02:45 EDT-------
IBM Bugzilla status -> closed, Fix Released with Disco

Brad Figg (brad-figg) on 2019-07-24
tags: added: cscc
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