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<domain type='kvm' id='54'>
  <name>{vmname}</name>
  <memory unit='KiB'>1048576</memory>
  <currentMemory unit='KiB'>1048576</currentMemory>
  <memoryBacking>
    <hugepages>
      <page size='2048' unit='KiB'/>
    </hugepages>
  </memoryBacking>
  <vcpu placement='static'>1</vcpu>
  <resource>
    <partition>/machine</partition>
  </resource>
  <os>
    <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <cpu mode='host-model'>
    <model fallback='allow'></model>
  </cpu>
  <clock offset='utc'>
    <timer name='rtc' tickpolicy='catchup'/>
    <timer name='pit' tickpolicy='delay'/>
    <timer name='hpet' present='no'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <pm>
    <suspend-to-mem enabled='no'/>
    <suspend-to-disk enabled='no'/>
  </pm>
  <devices>
    <emulator>/usr/libexec/qemu-kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2'/>
      <source file='{imagename}'/>
      <backingStore/>
      <target dev='vda' bus='virtio'/>
      <alias name='virtio-disk0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
    </disk>
    <disk type='file' device='cdrom'>
      <driver name='qemu' type='raw'/>
      <source file='{isoname}'/>
      <backingStore/>
      <target dev='hda' bus='ide'/>
      <readonly/>
      <alias name='ide0-0-0'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <controller type='usb' index='0' model='ich9-ehci1'>
      <alias name='usb'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x7'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'>
      <alias name='pci.0'/>
    </controller>
    <controller type='ide' index='0'>
      <alias name='ide'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
    </controller>
    <controller type='virtio-serial' index='0'>
      <alias name='virtio-serial0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
    </controller>
    <interface type='network'>
      <mac address='52:54:00:4c:47:f3'/>
      <source network='default' bridge='virbr0'/>
      <target dev='vnet0'/>
      <model type='virtio'/>
      <alias name='net0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <serial type='pty'>
      <source path='/dev/pts/2'/>
      <target port='0'/>
      <alias name='serial0'/>
    </serial>
    <console type='pty' tty='/dev/pts/2'>
      <source path='/dev/pts/2'/>
      <target type='serial' port='0'/>
      <alias name='serial0'/>
    </console>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <graphics type='vnc' port='5900' autoport='yes' listen='127.0.0.1'>
      <listen type='address' address='127.0.0.1'/>
    </graphics>
    <memballoon model='virtio'>
      <alias name='balloon0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
    </memballoon>
  </devices>
  <seclabel type='dynamic' model='selinux' relabel='yes'>
    <label>system_u:system_r:svirt_t:s0:c532,c551</label>
    <imagelabel>system_u:object_r:svirt_image_t:s0:c532,c551</imagelabel>
  </seclabel>
  <seclabel type='dynamic' model='dac' relabel='yes'>
    <label>+107:+107</label>
    <imagelabel>+107:+107</imagelabel>
  </seclabel>
</domain>
ground-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * Copyright (c) 2015 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * error.c: VLIB error handler
 *
 * Copyright (c) 2008 Eliot Dresselhaus
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <vlib/vlib.h>
#include <vppinfra/heap.h>

uword
vlib_error_drop_buffers (vlib_main_t * vm,
			 vlib_node_runtime_t * node,
			 u32 * buffers,
			 u32 next_buffer_stride,
			 u32 n_buffers,
			 u32 next_index,
			 u32 drop_error_node, u32 drop_error_code)
{
  u32 n_left_this_frame, n_buffers_left, *args, n_args_left;
  vlib_error_t drop_error;

  drop_error = vlib_error_set (drop_error_node, drop_error_code);

  n_buffers_left = n_buffers;
  while (n_buffers_left > 0)
    {
      vlib_get_next_frame (vm, node, next_index, args, n_args_left);

      n_left_this_frame = clib_min (n_buffers_left, n_args_left);
      n_buffers_left -= n_left_this_frame;
      n_args_left -= n_left_this_frame;

      while (n_left_this_frame >= 4)
	{
	  u32 bi0, bi1, bi2, bi3;
	  vlib_buffer_t *b0, *b1, *b2, *b3;

	  args[0] = bi0 = buffers[0];
	  args[1] = bi1 = buffers[1];
	  args[2] = bi2 = buffers[2];
	  args[3] = bi3 = buffers[3];

	  b0 = vlib_get_buffer (vm, bi0);
	  b1 = vlib_get_buffer (vm, bi1);
	  b2 = vlib_get_buffer (vm, bi2);
	  b3 = vlib_get_buffer (vm, bi3);

	  b0->error = drop_error;
	  b1->error = drop_error;
	  b2->error = drop_error;
	  b3->error = drop_error;

	  buffers += 4;
	  args += 4;
	  n_left_this_frame -= 4;
	}

      while (n_left_this_frame >= 1)
	{
	  u32 bi0;
	  vlib_buffer_t *b0;

	  args[0] = bi0 = buffers[0];

	  b0 = vlib_get_buffer (vm, bi0);
	  b0->error = drop_error;

	  buffers += 1;
	  args += 1;
	  n_left_this_frame -= 1;
	}

      vlib_put_next_frame (vm, node, next_index, n_args_left);
    }

  return n_buffers;
}

/* Convenience node to drop a vector of buffers with a "misc error". */
static uword
misc_drop_buffers (vlib_main_t * vm,
		   vlib_node_runtime_t * node, vlib_frame_t * frame)
{
  return vlib_error_drop_buffers (vm, node, vlib_frame_args (frame),
				  /* buffer stride */ 1,
				  frame->n_vectors,
				  /* next */ 0,
				  node->node_index,
				  /* error */ 0);
}

static char *misc_drop_buffers_error_strings[] = {
  [0] = "misc. errors",
};

/* *INDENT-OFF* */
VLIB_REGISTER_NODE (misc_drop_buffers_node,static) = {
  .function = misc_drop_buffers,
  .name = "misc-drop-buffers",
  .vector_size = sizeof (u32),
  .n_errors = 1,
  .n_next_nodes = 1,
  .next_nodes = {
      "error-drop",
  },
  .error_strings = misc_drop_buffers_error_strings,
};
/* *INDENT-ON* */

/* Reserves given number of error codes for given node. */
void
vlib_register_errors (vlib_main_t * vm,
		      u32 node_index, u32 n_errors, char *error_strings[])
{
  vlib_error_main_t *em = &vm->error_main;
  vlib_node_t *n = vlib_get_node (vm, node_index);
  uword l;

  ASSERT (vlib_get_thread_index () == 0);

  /* Free up any previous error strings. */
  if (n->n_errors > 0)
    heap_dealloc (em->error_strings_heap, n->error_heap_handle);

  n->n_errors = n_errors;
  n->error_strings = error_strings;

  if (n_errors == 0)
    return;

  n->error_heap_index =
    heap_alloc (em->error_strings_heap, n_errors, n->error_heap_handle);

  l = vec_len (em->error_strings_heap);

  clib_memcpy (vec_elt_at_index (em->error_strings_heap, n->error_heap_index),
	       error_strings, n_errors * sizeof (error_strings[0]));

  /* Allocate a counter/elog type for each error. */
  vec_validate (em->counters, l - 1);
  vec_validate (vm->error_elog_event_types, l - 1);

  /* Zero counters for re-registrations of errors. */
  if (n->error_heap_index + n_errors <= vec_len (em->counters_last_clear))
    clib_memcpy (em->counters + n->error_heap_index,
		 em->counters_last_clear + n->error_heap_index,
		 n_errors * sizeof (em->counters[0]));
  else
    memset (em->counters + n->error_heap_index,
	    0, n_errors * sizeof (em->counters[0]));

  {
    elog_event_type_t t;
    uword i;

    memset (&t, 0, sizeof (t));
    for (i = 0; i < n_errors; i++)
      {
	t.format = (char *) format (0, "%v %s: %%d",
				    n->name, error_strings[i]);
	vm->error_elog_event_types[n->error_heap_index + i] = t;
      }
  }
}

static clib_error_t *
show_errors (vlib_main_t * vm,
	     unformat_input_t * input, vlib_cli_command_t * cmd)
{
  vlib_error_main_t *em = &vm->error_main;
  vlib_node_t *n;
  u32 code, i, ni;
  u64 c;
  int index = 0;
  int verbose = 0;
  u64 *sums = 0;

  if (unformat (input, "verbose %d", &verbose))
    ;
  else if (unformat (input, "verbose"))
    verbose = 1;

  vec_validate (sums, vec_len (em->counters));

  if (verbose)
    vlib_cli_output (vm, "%=10s%=40s%=20s%=6s", "Count", "Node", "Reason",
		     "Index");
  else
    vlib_cli_output (vm, "%=10s%=40s%=6s", "Count", "Node", "Reason");


  /* *INDENT-OFF* */
  foreach_vlib_main(({
    em = &this_vlib_main->error_main;

    if (verbose)
      vlib_cli_output(vm, "Thread %u (%v):", index,
                      vlib_worker_threads[index].name);

    for (ni = 0; ni < vec_len (this_vlib_main->node_main.nodes); ni++)
      {
	n = vlib_get_node (this_vlib_main, ni);
	for (code = 0; code < n->n_errors; code++)
	  {
	    i = n->error_heap_index + code;
	    c = em->counters[i];
	    if (i < vec_len (em->counters_last_clear))
	      c -= em->counters_last_clear[i];
	    sums[i] += c;

	    if (c == 0 && verbose < 2)
	      continue;

            if (verbose)
              vlib_cli_output (vm, "%10Ld%=40v%=20s%=6d", c, n->name,
                               em->error_strings_heap[i], i);
            else
              vlib_cli_output (vm, "%10d%=40v%s", c, n->name,
                               em->error_strings_heap[i]);
	  }
      }
    index++;
  }));
  /* *INDENT-ON* */

  if (verbose)
    vlib_cli_output (vm, "Total:");

  for (ni = 0; ni < vec_len (vm->node_main.nodes); ni++)
    {
      n = vlib_get_node (vm, ni);
      for (code = 0; code < n->n_errors; code++)
	{
	  i = n->error_heap_index + code;
	  if (sums[i])
	    {
	      if (verbose)
		vlib_cli_output (vm, "%10Ld%=40v%=20s%=10d", sums[i], n->name,
				 em->error_strings_heap[i], i);
	    }
	}
    }

  vec_free (sums);

  return 0;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_show_errors) = {
  .path = "show errors",
  .short_help = "Show error counts",
  .function = show_errors,
};
/* *INDENT-ON* */

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_show_node_counters, static) = {
  .path = "show node counters",
  .short_help = "Show node counters",
  .function = show_errors,
};
/* *INDENT-ON* */

static clib_error_t *
clear_error_counters (vlib_main_t * vm,
		      unformat_input_t * input, vlib_cli_command_t * cmd)
{
  vlib_error_main_t *em;
  u32 i;

  /* *INDENT-OFF* */
  foreach_vlib_main(({
    em = &this_vlib_main->error_main;
    vec_validate (em->counters_last_clear, vec_len (em->counters) - 1);
    for (i = 0; i < vec_len (em->counters); i++)
      em->counters_last_clear[i] = em->counters[i];
  }));
  /* *INDENT-ON* */
  return 0;
}

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_clear_error_counters, static) = {
  .path = "clear errors",
  .short_help = "Clear error counters",
  .function = clear_error_counters,
};
/* *INDENT-ON* */

/* *INDENT-OFF* */
VLIB_CLI_COMMAND (cli_clear_node_counters, static) = {
  .path = "clear node counters",
  .short_help = "Clear node counters",
  .function = clear_error_counters,
};
/* *INDENT-ON* */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */