Re: [PATCH v3 0/7] Mini-OS: add minimal 9pfs support

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Thanks!!

Juergen Gross, le lun. 13 févr. 2023 09:44:05 +0100, a ecrit:
> This series is adding minimal support to use 9pfs in Mini-OS. It is
> adding a PV 9pfs frontend and the ability to open, close, read and
> write files.
> 
> The series has been tested with qemu as 9pfs backend in a PVH Mini-OS
> guest (I've used a slightly modified Xenstore-stubdom for that purpose
> in order to reuse the build runes).
> 
> This series is meant to setup the stage for adding file based logging
> support to Xenstore-stubdom and later to add live update support (being
> able to save the LU data stream in a dom0 file makes this a _lot_
> easier).
> 
> In order to keep Mini-OS's license I have only used the protocol docs
> available on the internet [1] and then verified those with the qemu 9pfs
> backend implementation (especially for supporting the 9P2000.u variant,
> as qemu doesn't support the basic 9P2000 protocol).
> 
> The needed fixed values of the protocol have been taken from [2].
> 
> [1]: http://ericvh.github.io/9p-rfc/rfc9p2000.html
> [2]: https://github.com/0intro/libixp
> 
> Changes in V2:
> - addressed comments by Samuel Thibault
> 
> Changes in V3:
> - addressed comments by Samuel Thibault and Andrew Cooper
> 
> Juergen Gross (7):
>   Mini-OS: xenbus: add support for reading node from directory
>   Mini-OS: add concept of mount points
>   Mini-OS: add support for runtime mounts
>   Mini-OS: add 9pfs frontend
>   Mini-OS: add 9pfs transport layer
>   Mini-OS: add open and close handling to the 9pfs frontend
>   Mini-OS: add read and write support to 9pfsfront
> 
>  9pfront.c                     | 1300 +++++++++++++++++++++++++++++++++
>  Config.mk                     |    1 +
>  Makefile                      |    1 +
>  arch/x86/testbuild/all-no     |    1 +
>  arch/x86/testbuild/all-yes    |    1 +
>  arch/x86/testbuild/newxen-yes |    1 +
>  include/9pfront.h             |    7 +
>  include/lib.h                 |   14 +
>  include/xenbus.h              |    6 +
>  lib/sys.c                     |  123 +++-
>  xenbus.c                      |   40 +-
>  11 files changed, 1473 insertions(+), 22 deletions(-)
>  create mode 100644 9pfront.c
>  create mode 100644 include/9pfront.h
> 
> -- 
> 2.35.3
> 

-- 
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.