[dpdk-dev] [PATCH v5 0/5] vhost_user.c code cleanup

Nikolay Nikolaev nicknickolaev at gmail.com
Mon Sep 24 17:21:10 CEST 2018


vhost: vhost_user.c code cleanup

This patchesries introduce a set of code redesigns in vhost_user.c.

The goal is to unify and simplify vhost-user message handling. The
patches do not intend to introduce any functional changes.

v5 changes:
 - fixed the usage of struct VhostUserMsg in all patches (Anatoly Burakov)

v4 changes:
 - use struct VhostUserMsg as the coding style guide suggests (Anatoly Burakov)
 - VH_RESULT_FATAL is removed as not needed anymore (Maxime Coquelin)

v3 changes:
 - rebased on top of git://dpdk.org/next/dpdk-next-virtio dead0602
 - introduce VH_RESULT_FATAL (Maxime Coquelin)
 - vhost_user_set_features return VH_RESULT_FATAL on failure.
   This allows keeping the propagate error logic (Ilya Maximets)
 - fixed vhost_user_set_vring_kick and vhost_user_set_protocol_features
   return VH_RESULT_ERR upon failure
 - fixed missing break in case VH_RESULT_ERR (Ilya Maximets)
 - fixed a type on the description of 2/5 patch (Maxime Coquelin)

v2 changes:
 - Fix the comments by Tiwei Bie
 - Keep the old behavior
   - Fall through when the callback returns VH_RESULT_ERR
   - Fall through if the request is out of range

---

Nikolay Nikolaev (5):
      vhost: unify struct VhostUserMsg usage
      vhost: make message handling functions prepare the reply
      vhost: handle unsupported message types in functions
      vhost: unify message handling function signature
      vhost: message handling implemented as a callback array


 lib/librte_vhost/vhost_user.c |  393 ++++++++++++++++++++++-------------------
 1 file changed, 208 insertions(+), 185 deletions(-)

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