[PATCH v5 0/7] Introduce Virtio Over Fabrics

[zhenwei pi <pizhenwei@bytedance.com>]

v4 -> v5:
- 2 typo fixes.
- use 'length' & 'in_length' in VQ completion.

More discussion with Raphael Norwitz <raphael.norwitz@nutanix.com>:
https://lists.oasis-open.org/archives/virtio-comment/202307/msg00259.html

v3 -> v4:
[PATCH v3 4/7] transport-fabrics: introduce command set
- typo fixes: u16 -> le16, u64 -> le64
- fix unaligned struct virtio_of_completion_get_keyed_num_descs
- drop duplicated keepalive completion structure

v2 -> v3:
[PATCH v2 01/11] transport-fabrics: introduce Virtio Over Fabrics
- Drop referring to PCI.
- Drop undefined concept 'vring'.
- Add 'Virtio-oF'(short for 'Virtio Over Fabrics'), and use this instead.
- Add mapping between target and initiator.
- Add Virtio-oF queue mapping.
- Fix grammar flaws.

[PATCH v2 02/11] transport-fabrics: introduce Virtio Qualified Name
- Use 'NUL' instead of 'NULL'.
- Add 'including the NUL character' in maximum name.

[PATCH v2 03/11] transport-fabircs: introduce Segment Descriptor
[PATCH v2 04/11] transport-fabrics: introduce Stream Transmission
[PATCH v2 05/11] transport-fabrics: introduce Keyed Transmission
- Merge three patches into one.
- Rename this section to 'Virtio-oF Protocol Data Unit' instead of 'Transmission Protocol'.
- Remove undefined 'opcode' reference.
- Drop common 'struct virtio_of_vring_desc'
- For stream data transfers, use a single command/completion instead of descriptors.
- For keyed data transport, use a single descriptor instead of multi descriptors. Also support keyed descriptor count probe.

[PATCH v2 06/11] transport-fabrics: introduce command set
[PATCH v2 07/11] transport-fabrics: introduce opcodes
[PATCH v2 08/11] transport-fabrics: introduce status of completion
- Merge three patches into one.
- Drop common data structures definition, define data structure for each command.
- Drop virtio_of_op_get_num_queues, the Virtio-oF device instance would response error status on invalid virtqueue.
- Allow Virtio-oF virtqueue to use empty connect body.
- Allow Virtio-oF virtqueue to specify queue size on connecting.
- Drop errno like status, define detailed status.
- Other minor fixes.

[PATCH v2 09/11] transport-fabrics: add TCP&RDMA binding
- Rename TCP to TCP/IP to avoid ambiguity.
- Add TLS TCP/IP transport.
- Add RDMA opcode usage.

[PATCH v2 10/11] transport-fabrics: add device initialization
- Drop PCI reference, describe device initialization instead.
- Fix grammar flaws.

[PATCH v2 11/11] transport-fabrics: support inline data for keyed
- Use eager buffer instead.


v1 -> v2:
- Suggested by Parav, split a large patch into several small patches.
- Small changes for VQN, add "There is no strict style limitation".
- Move *bytes* field limitation from get/set config opcode section to
  Config Command.


v1:
Introduce Virtio-oF specification, include:
- overview
- Virtio Qualified Name
- Segment Descriptor definition
- Buffer Mapping definition: Stream Transmission and Keyed Transmission
- Command set definition
- opcode definition
- status definition
- transport binding: TCP and RDMA
- device initialization

Previous discussion:
https://lists.oasis-open.org/archives/virtio-comment/202304/msg00442.html

zhenwei pi (7):
  transport-fabrics: introduce Virtio Over Fabrics overview
  transport-fabrics: introduce Virtio-oF Qualified Name
  transport-fabrics: introduce Virtio-oF Protocol Data Unit
  transport-fabrics: introduce command set
  transport-fabrics: introduce transport binding
  transport-fabrics: add device initialization
  transport-fabrics: introduce keyed eager buffers

 content.tex           |   1 +
 transport-fabrics.tex | 875 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 876 insertions(+)
 create mode 100644 transport-fabrics.tex

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2.25.1