netdev - [RFC net-next 0/3] add vDPA driver for nfp devices

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Message-Id: <20240802095931.24376-1-louis.peens@corigine.com>
Date: Fri,  2 Aug 2024 11:59:28 +0200
From: Louis Peens <louis.peens@...igine.com>
To: David Miller <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>
Cc: eperezma@...hat.com,
	Kyle Xu <zhenbing.xu@...igine.com>,
	netdev@...r.kernel.org,
	virtualization@...ts.linux.dev,
	oss-drivers@...igine.com
Subject: [RFC net-next 0/3] add vDPA driver for nfp devices

This is the first foray into upstreaming a vDPA driver for the nfp.
Submitting it as RFC initially, since this is touching a new component,
not sure if there are potentially any new-to-us requirements this needs
to fulfill. We are hoping that this is already in a state to
resubmit as PATCH, depending on the feedback this receives.

This series starts out by adding the "enable_vnet" parameter to
nfp_devlink, to allow setting the device mode.

Next the auxiliary bus driver is added, and the VF probe functions are
updated to probe the correct driver, based on the 'enable_vnet' setting.

Lastly the nfp_vDPA driver is added, initialising resources and adding
callbacks in accordance to the kernel vDPA framework.

Kyle Xu (3):
  nfp: add new devlink "enable_vnet" generic device param
  nfp: initialize NFP VF device according to enable_vnet configuration
  drivers/vdpa: add NFP devices vDPA driver

 MAINTAINERS                                   |   1 +
 drivers/net/ethernet/netronome/Kconfig        |   1 +
 .../ethernet/netronome/nfp/devlink_param.c    |  49 ++
 drivers/net/ethernet/netronome/nfp/nfp_main.h |   3 +
 drivers/net/ethernet/netronome/nfp/nfp_net.h  |  16 +
 .../ethernet/netronome/nfp/nfp_net_common.c   |   3 +
 .../net/ethernet/netronome/nfp/nfp_net_ctrl.h |   3 +
 .../net/ethernet/netronome/nfp/nfp_net_main.c |  10 +
 .../ethernet/netronome/nfp/nfp_netvf_main.c   | 264 ++++--
 drivers/vdpa/Kconfig                          |  10 +
 drivers/vdpa/Makefile                         |   1 +
 drivers/vdpa/netronome/Makefile               |   5 +
 drivers/vdpa/netronome/nfp_vdpa_main.c        | 821 ++++++++++++++++++
 13 files changed, 1127 insertions(+), 60 deletions(-)
 create mode 100644 drivers/vdpa/netronome/Makefile
 create mode 100644 drivers/vdpa/netronome/nfp_vdpa_main.c

-- 
2.34.1