[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v4 0/7] Xen transport for 9pfs frontend driver
On 15/03/17 20:23, Stefano Stabellini wrote: > Hi all, > > This patch series implements a new transport for 9pfs, aimed at Xen > systems. > > 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 v4: > - code style improvements > - use xenbus_read_unsigned when possible > - do not leak "versions" > - introduce BUILD_BUG_ON > - introduce rwlock to protect the xen_9pfs_devs list > - add review-by > > 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 | 513 > ++++++++++++++++++++++++++++++++++++++++ > 5 files changed, 696 insertions(+) > create mode 100644 include/xen/interface/io/9pfs.h > create mode 100644 net/9p/trans_xen.c I strongly recommend running checkpatch.pl to avoid style problems. This will save us some more rounds, I guess: there are multiple style violations in the patches which are not related to the header import from Xen. Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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