Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 132 insertions, 0 deletions

diff --git a/hw/core/machine-hmp-cmds.c b/hw/core/machine-hmp-cmds.c
new file mode 100644
index 000000000..4e2f319ae
--- /dev/null
+++ b/hw/core/machine-hmp-cmds.c
@@ -0,0 +1,132 @@
+/*
+ * HMP commands related to machines and CPUs
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "monitor/hmp.h"
+#include "monitor/monitor.h"
+#include "qapi/error.h"
+#include "qapi/qapi-builtin-visit.h"
+#include "qapi/qapi-commands-machine.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/string-output-visitor.h"
+#include "qemu/error-report.h"
+#include "sysemu/numa.h"
+#include "hw/boards.h"
+
+void hmp_info_cpus(Monitor *mon, const QDict *qdict)
+{
+    CpuInfoFastList *cpu_list, *cpu;
+
+    cpu_list = qmp_query_cpus_fast(NULL);
+
+    for (cpu = cpu_list; cpu; cpu = cpu->next) {
+        int active = ' ';
+
+        if (cpu->value->cpu_index == monitor_get_cpu_index(mon)) {
+            active = '*';
+        }
+
+        monitor_printf(mon, "%c CPU #%" PRId64 ":", active,
+                       cpu->value->cpu_index);
+        monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
+    }
+
+    qapi_free_CpuInfoFastList(cpu_list);
+}
+
+void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
+{
+    Error *err = NULL;
+    HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
+    HotpluggableCPUList *saved = l;
+    CpuInstanceProperties *c;
+
+    if (hmp_handle_error(mon, err)) {
+        return;
+    }
+
+    monitor_printf(mon, "Hotpluggable CPUs:\n");
+    while (l) {
+        monitor_printf(mon, "  type: \"%s\"\n", l->value->type);
+        monitor_printf(mon, "  vcpus_count: \"%" PRIu64 "\"\n",
+                       l->value->vcpus_count);
+        if (l->value->has_qom_path) {
+            monitor_printf(mon, "  qom_path: \"%s\"\n", l->value->qom_path);
+        }
+
+        c = l->value->props;
+        monitor_printf(mon, "  CPUInstance Properties:\n");
+        if (c->has_node_id) {
+            monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n", c->node_id);
+        }
+        if (c->has_socket_id) {
+            monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n", c->socket_id);
+        }
+        if (c->has_die_id) {
+            monitor_printf(mon, "    die-id: \"%" PRIu64 "\"\n", c->die_id);
+        }
+        if (c->has_core_id) {
+            monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n", c->core_id);
+        }
+        if (c->has_thread_id) {
+            monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n", c->thread_id);
+        }
+
+        l = l->next;
+    }
+
+    qapi_free_HotpluggableCPUList(saved);
+}
+
+void hmp_info_memdev(Monitor *mon, const QDict *qdict)
+{
+    Error *err = NULL;
+    MemdevList *memdev_list = qmp_query_memdev(&err);
+    MemdevList *m = memdev_list;
+    Visitor *v;
+    char *str;
+
+    while (m) {
+        v = string_output_visitor_new(false, &str);
+        visit_type_uint16List(v, NULL, &m->value->host_nodes, &error_abort);
+        monitor_printf(mon, "memory backend: %s\n", m->value->id);
+        monitor_printf(mon, "  size:  %" PRId64 "\n", m->value->size);
+        monitor_printf(mon, "  merge: %s\n",
+                       m->value->merge ? "true" : "false");
+        monitor_printf(mon, "  dump: %s\n",
+                       m->value->dump ? "true" : "false");
+        monitor_printf(mon, "  prealloc: %s\n",
+                       m->value->prealloc ? "true" : "false");
+        monitor_printf(mon, "  share: %s\n",
+                       m->value->share ? "true" : "false");
+        if (m->value->has_reserve) {
+            monitor_printf(mon, "  reserve: %s\n",
+                           m->value->reserve ? "true" : "false");
+        }
+        monitor_printf(mon, "  policy: %s\n",
+                       HostMemPolicy_str(m->value->policy));
+        visit_complete(v, &str);
+        monitor_printf(mon, "  host nodes: %s\n", str);
+
+        g_free(str);
+        visit_free(v);
+        m = m->next;
+    }
+
+    monitor_printf(mon, "\n");
+
+    qapi_free_MemdevList(memdev_list);
+    hmp_handle_error(mon, err);
+}