linux-kernel - [PATCH v2 0/7] features provisioning fixes and mlx5

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Message-Id: <1675207345-22328-1-git-send-email-si-wei.liu@oracle.com>
Date:   Tue, 31 Jan 2023 15:22:18 -0800
From:   Si-Wei Liu <si-wei.liu@...cle.com>
To:     mst@...hat.com, jasowang@...hat.com, parav@...dia.com,
        elic@...dia.com
Cc:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/7] features provisioning fixes and mlx5_vdpa support

This patchset is pre-requisite to export and provision device
config attributes and features for vdpa live migration, in a way
backward and forward compatibility can be retained. The follow up
work [1] will need to be built around the new feature provisioning
uAPI, with which it's easier to formalize migration compatibility
support at the driver level.

Thanks,
-Siwei

[1] [PATCH v3 0/4] vDPA: initial config export via "vdpa dev show"
https://lore.kernel.org/virtualization/1666392237-4042-1-git-send-email-si-wei.liu@oracle.com/

---
v1 -> v2:
  - include specific attribute info to error message 
  - move conditional feature presence in mlx5_vdpa config space
    to a separate patch
  - remove redundant check
---

Si-Wei Liu (7):
  vdpa: fix improper error message when adding vdpa dev
  vdpa: conditionally read STATUS in config space
  vdpa: validate provisioned device features against specified attribute
  virtio: VIRTIO_DEVICE_F_MASK for all per-device features
  vdpa: validate device feature provisioning against supported class
  vdpa/mlx5: conditionally show MTU and STATUS in config space
  vdpa/mlx5: support device features provisioning

 drivers/vdpa/mlx5/net/mlx5_vnet.c  | 71 ++++++++++++++++++++++------
 drivers/vdpa/vdpa.c                | 95 +++++++++++++++++++++++++++++++-------
 include/uapi/linux/virtio_config.h |  8 ++++
 3 files changed, 144 insertions(+), 30 deletions(-)

-- 
1.8.3.1