Use new resource mapping API

Also rename 'iopage' to 'shared_iopage'.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Use stable APIs where available

Stop using the xenctrl compat layer and also re-format the code to
avoid >80 character lines and indents to column-align things.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Make it compile under Xen 4.7

With...

commit b7f76a699dcfadc0a52ab45b33cc72dbf3a69e7b
Author: Ian Campbell <ian.campbell@citrix.com>
Date:   Mon Jun 1 16:20:09 2015 +0100

    tools: Refactor /dev/xen/evtchn wrappers into libxenevtchn.

commit 32486916793fd78a41fc25e53d2b53a5aa0b1bd5
Author: Ian Campbell <ian.campbell@citrix.com>
Date:   Thu Jun 18 16:30:19 2015 +0100

    tools: Refactor foreign memory mapping into libxenforeignmemory

...we need to use the compat layer.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Added the necessary definitions to the Makefile rather than demu.c to
make sure they are present in all source modules.
Also, drop the direction inclusion of xenctrl_compat.h.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

API fixes.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Add a .gitignore

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Update to new, slightly modified, ioreq server API and rename main.c
to demu.c.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Use new PCI hotplug API

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>

Initial commit

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>