linux-kernel - [PATCH V4 0/3] virtio-pci: introduce modern device module

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Message-Id: <20210223061905.422659-1-jasowang@redhat.com>
Date:   Tue, 23 Feb 2021 14:19:02 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     mst@...hat.com, jasowang@...hat.com
Cc:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, shahafs@...lanox.com,
        sgarzare@...hat.com, rdunlap@...radead.org
Subject: [PATCH V4 0/3] virtio-pci: introduce modern device module

Hi all:

This series tries to implement a vDPA driver for virtio-pci device
which will bridge between vDPA bus and virtio-pci device.

This could be used for future feature prototyping and testing.

Please review

Changes since V4:
- include the patch to let VIRTIO_PCI_LIB to be auto selected
- style fixes in the Kconfig for vp-vdpa driver
- fix the err value returned during vp-vdpa driver probing

Changes since V3:
- rebase to vhost.git

Changes since V2:

- tweak config prompt
- switch from 'cb' to 'config_cb' for vp_vdpa config interrupt
- use a macro for vp_vdpa msix name length

Changes since V1:

- don't try to use devres for virtio-pci core
- tweak the commit log
- split the patches furtherly to ease the reviewing

Changes since RFC:

- Split common codes from virito-pci and share it with vDPA driver
- Use dynamic id in order to be less confusing with virtio-pci driver
- No feature whitelist, supporting any features (mq, config etc)

Jason Wang (3):
  virtio: don't prompt CONFIG_VIRTIO_PCI_MODERN
  vdpa: set the virtqueue num during register
  vdpa: introduce virtio pci driver

 drivers/vdpa/Kconfig                 |   7 +
 drivers/vdpa/Makefile                |   1 +
 drivers/vdpa/ifcvf/ifcvf_main.c      |   5 +-
 drivers/vdpa/mlx5/net/mlx5_vnet.c    |   4 +-
 drivers/vdpa/vdpa.c                  |  18 +-
 drivers/vdpa/vdpa_sim/vdpa_sim.c     |   2 +-
 drivers/vdpa/vdpa_sim/vdpa_sim_net.c |   2 +-
 drivers/vdpa/virtio_pci/Makefile     |   2 +
 drivers/vdpa/virtio_pci/vp_vdpa.c    | 458 +++++++++++++++++++++++++++
 drivers/virtio/Kconfig               |  11 +-
 drivers/virtio/Makefile              |   2 +-
 include/linux/vdpa.h                 |  10 +-
 12 files changed, 496 insertions(+), 26 deletions(-)
 create mode 100644 drivers/vdpa/virtio_pci/Makefile
 create mode 100644 drivers/vdpa/virtio_pci/vp_vdpa.c

-- 
2.25.1