linux-kernel - [PATCH v4 0/6] features provisioning fixes and mlx5

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Message-Id: <1675724880-7216-1-git-send-email-si-wei.liu@oracle.com>
Date:   Mon,  6 Feb 2023 15:07:54 -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 v4 0/6] 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/

---
v3 -> v4:
  - rewrite while loop to a for loop per mst's call
  - fix wording in the subject of patch
v2 -> v3:
  - fix incorrect reference of local variable in future patch
  - prohibit per-device bitmask macro from exposure in uapi header
  - add fixes tag
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 (6):
  vdpa: fix improper error message when adding vdpa dev
  vdpa: conditionally read STATUS in config space
  vdpa: validate provisioned device features against specified attribute
  vdpa: validate device feature provisioning against supported class
  vdpa/mlx5: make MTU/STATUS presence conditional on feature bits
  vdpa/mlx5: support device features provisioning

 drivers/vdpa/mlx5/net/mlx5_vnet.c |  71 ++++++++++++++++++++------
 drivers/vdpa/vdpa.c               | 103 ++++++++++++++++++++++++++++++++------
 2 files changed, 144 insertions(+), 30 deletions(-)

-- 
1.8.3.1