Re: [virtio-dev] [PATCH v8 0/8] Rename queue index to queue number

[David Edmondson <david.edmondson@oracle.com>]

Parav Pandit <parav@nvidia.com> writes:

> 1. Currently, virtqueue is identified between driver and device
> interchangeably using either number of index terminology.

"number or index"

>
> 2. Between PCI and MMIO transport the queue size (depth) is
> defined as queue_size and QueueNum respectively.
>
> To avoid confusion and to have consistency, unify them to use as Number.

s/as//

>
> Solution:
> a. Use virtqueue number description, and rename MMIO register as QueueSize.
> b. Replace virtqueue index to virtqueue number

s/to/with/

> c. RSS area of virtio net has inherited some logic, describe it
> using abstract rq_handle.
>
> Patch summary:
> patch-1 introduce vq number as generic term
> patch-2 renames index to number for pci transport
> patch-3 renames mmio register from Num to Size
> patch-4 renames index to number for mmio transport
> patch-5 renames num field to size for ccw transport
> patch-6 renames index field to queue_select for ccw transport
> patch-7 for virtio-net removes duplicate example from requirements
> patch-8 for virtio-net updates rss description to use vq number
>
> This series only improves the documentation, it does not change any
> transport or device functionality.
>
> Please review.
> This series fixes the issue [1].
>
> [1] https://github.com/oasis-tcs/virtio-spec/issues/163
>
> ---
> changelog:
> v7->v8:
> - remove note about first virtqueue number
> - skipped Max's comment to put word 'structure' in same line as its
>   crosses 65 chars limit per line
> - reworded queue_notification data set line, as '=' and vq number
>   wording was odd
> v6->v7:
> - remove text around first vq as it is already covered in the basic
>   virtqueues facility section
> v5->v6:
> - moved the vq number description from middle of vq operation
>   to beginning of vq introduction
> v4->v5:
> - fixed accidental removal of "unclassifed packets".
> - simplfied text around indirection_table mask
> - removed rss_rq_id references as indirection table and
>   unclassified_queue data type is self explanatory
> v3->v4:
> - moved note to comment for ccw
> - renamed rq_handle to rss_rq_id
> - moved rss_rq_id next to rss_config structure
> - define rss_config structure using rss_rq_id
> v2->v3:
> - addressed comments from Michael
> - added previous definitions for ccw fields
> - moved rq_handle definition before using it
> - added first patch to describe vq number
> - updated pci for available buffer notification section
> v1->v2:
> - added patches for virtio net for rss area
> - added patches for covering ccw transport
> - added missing entries to refer in mmio transport
>
>
> Parav Pandit (8):
>   content: Add vq number text
>   transport-pci: Refer to the vq by its number
>   transport-mmio: Rename QueueNum register
>   transport-mmio: Refer to the vq by its number
>   transport-ccw: Rename queue depth/size to other transports
>   transport-ccw: Refer to the vq by its number
>   virtio-net: Avoid duplicate receive queue example
>   virtio-net: Describe RSS using rss rq id
>
>  content.tex                      |  3 ++
>  device-types/net/description.tex | 28 ++++++++++----
>  transport-ccw.tex                | 27 ++++++++------
>  transport-mmio.tex               | 63 ++++++++++++++++++--------------
>  transport-pci.tex                | 14 ++++---
>  5 files changed, 82 insertions(+), 53 deletions(-)
>
> -- 
> 2.26.2
>
>
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