[patch v6 0/6] Support VMBUS channels without monitoring enabled

[Stephen Hemminger]

On Wed, 16 Apr 2025 13:57:12 -0700
longli at linuxonhyperv.com wrote:

> From: Long Li <longli at microsoft.com>
> 
> Hyperv may expose VMBUS channels without monitoring enabled. In this case,
> it programs almost all the data traffic to VF.
> 
> This patchset enabled vmbus/netvsc to use channels without monitoring
> enabled.
> 
> This needs to change the APIs exposed by drivers/bus/vmbus. Because those
> APIs are used only by NetVSC PMD and not feasible for use by a DPDK
> application, all VMBUS APIs are set to deprecate in upcoming 25.11 release.
> 
> The notice for deprecation is accepted in the following patch:
> https://patchwork.dpdk.org/project/dpdk/patch/1742242184-19600-1-git-send-email-longli@linuxonhyperv.com/
> 
> Change log:
> v3: Add in the comment on the VMBUS API deprecation notice
> 
> Long Li (6):
>   net/netvsc: introduce private data for storing vmbus device for
>     secondary process
>   net/netvsc: introduce get_vmbus_device to get the vmbus device
>   bus/vmbus: store UIO fd for secondary process
>   bus/vmbus: support channels without monitoring enabled
>   bus/vmbus: add rte_vmbus_device to all functions accessing vmbus
>   bus/vmbus: set event for channel without monitoring support
> 
>  drivers/bus/vmbus/linux/vmbus_bus.c  |  9 +++--
>  drivers/bus/vmbus/linux/vmbus_uio.c  |  6 ++--
>  drivers/bus/vmbus/private.h          |  2 +-
>  drivers/bus/vmbus/rte_bus_vmbus.h    | 16 ++++++---
>  drivers/bus/vmbus/vmbus_channel.c    | 53 ++++++++++++++++++++--------
>  drivers/bus/vmbus/vmbus_common_uio.c |  9 +++--
>  drivers/net/netvsc/hn_ethdev.c       | 44 ++++++++++++++++++-----
>  drivers/net/netvsc/hn_nvs.c          | 33 ++++++++++++-----
>  drivers/net/netvsc/hn_nvs.h          | 21 +++++++----
>  drivers/net/netvsc/hn_rndis.c        | 11 +++---
>  drivers/net/netvsc/hn_rxtx.c         | 16 ++++-----
>  11 files changed, 153 insertions(+), 67 deletions(-)
> 

Applied to next-net with some minor shortening of commit subjects to appease
check-git-log.sh