Update release notes for the new multi process hotplug feature. Signed-off-by: Qi Zhang <qi.z.zh...@intel.com> --- doc/guides/rel_notes/release_18_08.rst | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/doc/guides/rel_notes/release_18_08.rst b/doc/guides/rel_notes/release_18_08.rst index bc0124295..93a813340 100644 --- a/doc/guides/rel_notes/release_18_08.rst +++ b/doc/guides/rel_notes/release_18_08.rst @@ -46,6 +46,21 @@ New Features Flow API support has been added to CXGBE Poll Mode Driver to offload flows to Chelsio T5/T6 NICs. +* **Support etherdev multi-process hotplug.** + + Hotplug and hot-unplug for ethdev devices will now be supported in + multiprocessing scenario. Any ethdev devices created in the primary + process will be regarded as shared and will be available for all DPDK + processes, while secondary processes will have a choice between adding + a private (non-shared) or a shared device. Synchronization between + processes will be done using DPDK IPC. + +* **Support etherdev locking.** + + Application can now lock an ethernet device to prevent unexpected device + removal. Devices can either be locked unconditionally, or an application + can register for a callback before unplug for the purposes of performing + cleanup before releasing the device (or have a chance to deny unplug) API Changes ----------- @@ -60,6 +75,11 @@ API Changes Also, make sure to start the actual text at the margin. ========================================================= +* ethdev: scope of rte_eth_dev_attach and rte_eth_dev_detach is extended. + + In primary-secondary process model, ``rte_eth_dev_attach`` will guarantee + that device be attached on all processes, while ``rte_eth_dev_detach`` + will guarantee device be detached on all processes. ABI Changes ----------- -- 2.13.6