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SubjectRe: [PATCH v3 0/7] Xen transport for 9pfs frontend driver
On Mon, 13 Mar 2017 16:50:05 -0700 (PDT)
Stefano Stabellini <sstabellini@kernel.org> wrote:

> Hi all,
>
> This patch series implements a new transport for 9pfs, aimed at Xen
> systems.
>

Hi Stefano,

For some reason, this series (and previous versions) only partially made it to
v9fs-developer@lists.sourceforge.net. Please Cc: me if you're to send a v4.

Cheers.

--
Greg

> The transport is based on a traditional Xen frontend and backend drivers
> pair. This patch series implements the frontend, which typically runs in
> a regular unprivileged guest.
>
> I also sent a series that implements the backend in userspace in QEMU,
> which typically runs in Dom0 (but could also run in a another guest).
>
> The frontend complies to the Xen transport for 9pfs specification
> version 1, available here:
>
> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob_plain;f=docs/misc/9pfs.markdown;hb=HEAD
>
>
> Changes in v3:
> - add full copyright header to trans_xen.c
> - rename ring->ring to ring->data
> - handle gnttab_grant_foreign_access errors
> - remove ring->bytes
> - wrap long lines
> - add reviewed-by
>
> Changes in v2:
> - use XEN_PAGE_SHIFT instead of PAGE_SHIFT
> - remove unnecessary initializations
> - fix error paths
> - fix memory allocations for 64K kernels
> - simplify p9_xen_create and p9_xen_close
> - use virt_XXX barriers
> - set status = REQ_STATUS_ERROR inside the p9_xen_response loop
> - add in-code comments
>
>
> Stefano Stabellini (7):
> xen: import new ring macros in ring.h
> xen: introduce the header file for the Xen 9pfs transport protocol
> xen/9pfs: introduce Xen 9pfs transport driver
> xen/9pfs: connect to the backend
> xen/9pfs: send requests to the backend
> xen/9pfs: receive responses
> xen/9pfs: build 9pfs Xen transport driver
>
> include/xen/interface/io/9pfs.h | 40 ++++
> include/xen/interface/io/ring.h | 131 +++++++++++
> net/9p/Kconfig | 8 +
> net/9p/Makefile | 4 +
> net/9p/trans_xen.c | 497 ++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 680 insertions(+)
> create mode 100644 include/xen/interface/io/9pfs.h
> create mode 100644 net/9p/trans_xen.c
>
>
> Cheers,
>
> Stefano
>


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