[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v7 0/7] Xen transport for 9pfs frontend driver
On Mon, 10 Apr 2017, Juergen Gross wrote: > On 05/04/17 21:03, 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: > > > > https://xenbits.xen.org/docs/unstable/misc/9pfs.html > > > > > > The new Xen ring macros pulled in Linux in the first patch of the series > > have been committed upstream in Xen, so there is nothing holding back > > this series any longer. It could be considered for 4.12 or 4.13. It > > should probably go via the Xen tree. > > > > > > Changes in v7: > > - merging the final version of the macros (Xen upstream commit > > f000908276382e1c0a3de359f9bbc7ba83999119) > > - fixup argument ordering of the ring/write_packet macros callers > > > > Changes in v6: > > - add reviewd-bys > > - fix error paths > > - make p9_xen_write_todo return bool > > > > Changes in v5: > > - test priv->tag instead of ret > > - run checkpatch.pl against the whole series, fix all issues > > - set intf->ring_order appropriately > > - use shorter link to 9pfs spec > > > > 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 | 36 +++ > > include/xen/interface/io/ring.h | 143 +++++++++++ > > net/9p/Kconfig | 8 + > > net/9p/Makefile | 4 + > > net/9p/trans_xen.c | 545 > > ++++++++++++++++++++++++++++++++++++++++ > > 5 files changed, 736 insertions(+) > > create mode 100644 include/xen/interface/io/9pfs.h > > create mode 100644 net/9p/trans_xen.c > > Series committed to xen/tip for-linus-4.12 Thank you! _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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