Jason Wang c471ad0e9b vhost_net: device IOTLB support ...

This patches implements Device IOTLB support for vhost kernel. This is
done through:

1) switch to use dma helpers when map/unmap vrings from vhost codes
2) introduce a set of VhostOps to:
   - setting up device IOTLB request callback
   - processing device IOTLB request
   - processing device IOTLB invalidation
2) kernel support for Device IOTLB API:

- allow vhost-net to query the IOMMU IOTLB entry through eventfd
- enable the ability for qemu to update a specified mapping of vhost
- through ioctl.
- enable the ability to invalidate a specified range of iova for the
  device IOTLB of vhost through ioctl. In x86/intel_iommu case this is
  triggered through iommu memory region notifier from device IOTLB
  invalidation descriptor processing routine.

With all the above, kernel vhost_net can co-operate with userspace
IOMMU. For vhost-user, the support could be easily done on top by
implementing the VhostOps.

Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

2017-01-18 22:59:53 +02:00

..

checksum.c

net: handle optional VLAN header in checksum computation.

2016-06-02 10:42:46 +08:00

clients.h

net: use Netdev instead of NetClientOptions in client init

2016-07-19 13:21:08 +02:00

colo-compare.c

Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

2016-10-31 11:58:30 +00:00

colo.c

filter-rewriter: rewrite tcp packet to keep secondary connection

2016-09-27 17:54:22 +08:00

colo.h

filter-rewriter: rewrite tcp packet to keep secondary connection

2016-09-27 17:54:22 +08:00

dump.c

qapi: Change Netdev into a flat union

2016-07-19 20:18:02 +02:00

eth.c

net: fix incorrect argument to iov_to_buf

2016-07-18 16:16:52 +08:00

filter-buffer.c

include/qemu/osdep.h: Don't include qapi/error.h

2016-03-22 22:20:15 +01:00

filter-mirror.c

char: remove explicit_fe_open, use a set_handlers argument

2016-10-24 15:46:10 +02:00

filter-replay.c

record/replay: add network support

2017-01-06 10:38:00 +08:00

filter-rewriter.c

colo-proxy: fix memory leak

2016-10-26 09:58:02 +08:00

filter.c

qtail: clean up direct access to tqe_prev field

2016-09-13 19:08:41 +02:00

hub.c

qapi: Change Netdev into a flat union

2016-07-19 20:18:02 +02:00

hub.h

net: fix qemu_flush_queued_packets() in presence of a hub

2013-02-27 16:10:23 +01:00

l2tpv3.c

qapi: Change Netdev into a flat union

2016-07-19 20:18:02 +02:00

Makefile.objs

record/replay: add network support

2017-01-06 10:38:00 +08:00

net.c

net: fix sending of data with -net socket, listen backend

2016-11-15 15:36:21 +08:00

netmap.c

qapi: Change Netdev into a flat union

2016-07-19 20:18:02 +02:00

queue.c

net: Clean up includes

2016-02-04 17:41:30 +00:00

slirp.c

slirp: fix CharDriver breakage

2016-11-02 09:28:56 +01:00

socket.c

net: fix sending of data with -net socket, listen backend

2016-11-15 15:36:21 +08:00

tap_int.h

Clean up header guards that don't match their file name

2016-07-12 16:19:16 +02:00

tap-aix.c

include/qemu/osdep.h: Don't include qapi/error.h

2016-03-22 22:20:15 +01:00

tap-bsd.c

tap-bsd: OpenBSD uses tap(4) now

2016-10-26 09:57:59 +08:00

tap-haiku.c

include/qemu/osdep.h: Don't include qapi/error.h

2016-03-22 22:20:15 +01:00

tap-linux.c

util: move declarations out of qemu-common.h

2016-03-22 22:20:17 +01:00

tap-linux.h

Clean up decorations and whitespace around header guards

2016-07-12 16:20:46 +02:00

tap-solaris.c

util: move declarations out of qemu-common.h

2016-03-22 22:20:17 +01:00

tap-win32.c

qapi: Change Netdev into a flat union

2016-07-19 20:18:02 +02:00

tap.c

vhost_net: device IOTLB support

2017-01-18 22:59:53 +02:00

trace-events

net: split colo_compare_pkt_info into two trace events

2016-10-28 19:00:15 +01:00

util.c

net: Clean up includes

2016-02-04 17:41:30 +00:00

util.h

all: Clean up includes

2016-02-23 12:43:05 +00:00

vde.c

qapi: Change Netdev into a flat union

2016-07-19 20:18:02 +02:00

vhost-user.c

char: remove explicit_fe_open, use a set_handlers argument

2016-10-24 15:46:10 +02:00