On Mon, 13 Mar 2017 16:50:05 -0700 (PDT) Stefano Stabellini <[email protected]> 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 [email protected]. 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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