doc: move Xen guide out of programmers guide

Xen is an environment comparable to Linux and FreeBSD which
have their own guide.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Siobhan Butler <siobhan.a.butler@intel.com>

MAINTAINERS

@@ -132,9 +132,9 @@ F: lib/librte_eal/linuxapp/eal/*xen*
 F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
 F: lib/librte_mempool/rte_dom0_mempool.c
 F: lib/librte_pmd_xenvirt/
+F: doc/guides/xen/
 F: app/test-pmd/mempool_*
 F: examples/vhost_xen/
-F: doc/guides/prog_guide/intel_dpdk_xen_based_packet_switch_sol.rst
 
 FreeBSD EAL (with overlaps)
 M: Bruce Richardson <bruce.richardson@intel.com>

doc/guides/index.rst

@@ -39,6 +39,7 @@ Contents:
 
    linux_gsg/index
    freebsd_gsg/index
+   xen/index
    prog_guide/index
    sample_app_ug/index
    testpmd_app_ug/index

doc/guides/prog_guide/index.rst

@@ -53,7 +53,6 @@ Programmer's Guide
     ivshmem_lib
     poll_mode_drv_emulated_virtio_nic
     poll_mode_drv_paravirtual_vmxnets_nic
-    intel_dpdk_xen_based_packet_switch_sol
     libpcap_ring_based_poll_mode_drv
     link_bonding_poll_mode_drv_lib
     mlx4_poll_mode_drv

doc/guides/xen/index.rst

@@ -0,0 +1,42 @@
+..  BSD LICENSE
+    Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+    * Neither the name of Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived
+    from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Xen Guide
+=========
+
+|today|
+
+**Contents**
+
+.. toctree::
+    :maxdepth: 2
+    :numbered:
+
+    pkt_switch