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[libvirt] Re: [PATCH] 5/7 host ("node") device enumeration - virsh support



This patch contains virsh support for node device enumeration.

diff --git a/src/virsh.c b/src/virsh.c
index 89aa4fa..67963f0 100644
--- a/src/virsh.c
+++ b/src/virsh.c
@@ -4415,6 +4415,83 @@ cmdVersion(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
 }
 
 /*
+ * "node-list-devices" command
+ */
+static const vshCmdInfo info_node_list_devices[] = {
+    {"syntax", "node-list-devices"},
+    {"help", gettext_noop("enumerate devices on this host")},
+    {NULL, NULL}
+};
+
+static int
+cmdNodeListDevices (vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
+{
+    char **devices;
+    int num_devices, i;
+
+    if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
+        return FALSE;
+
+    num_devices = virNodeNumOfDevices(ctl->conn, 0);
+    if (num_devices < 0) {
+        vshError(ctl, FALSE, "%s", _("Failed to count node devices"));
+        return FALSE;
+    } else if (num_devices == 0) {
+        return TRUE;
+    }
+
+    devices = vshMalloc(ctl, sizeof(char *) * num_devices);
+    num_devices = virNodeListDevices(ctl->conn, devices, num_devices, 0);
+    if (num_devices < 0) {
+        vshError(ctl, FALSE, "%s", _("Failed to list node devices"));
+        free(devices);
+        return FALSE;
+    }
+    for (i = 0; i < num_devices; i++) {
+        vshPrint(ctl, "%s\n", devices[i]);
+        free(devices[i]);
+    }
+    free(devices);
+    return TRUE;
+}
+
+/*
+ * "node-device-dumpxml" command
+ */
+static const vshCmdInfo info_node_device_dumpxml[] = {
+    {"syntax", "node-device-dumpxml <device>"},
+    {"help", gettext_noop("node device details in XML")},
+    {"desc", gettext_noop("Output the node device details as an XML dump to stdout.")},
+    {NULL, NULL}
+};
+
+
+static const vshCmdOptDef opts_node_device_dumpxml[] = {
+    {"device", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("device key")},
+    {NULL, 0, 0, NULL}
+};
+
+static int
+cmdNodeDeviceDumpXML (vshControl *ctl, const vshCmd *cmd)
+{
+    const char *name;
+    virNodeDevicePtr device;
+
+    if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
+        return FALSE;
+    if (!(name = vshCommandOptString(cmd, "device", NULL)))
+        return FALSE;
+    if (!(device = virNodeDeviceLookupByName(ctl->conn, name))) {
+        vshError(ctl, FALSE, "%s '%s'", _("Could not find matching device"), name);
+        return FALSE;
+    }
+
+    vshPrint(ctl, "%s\n", virNodeDeviceGetXMLDesc(device, 0));
+    virNodeDeviceFree(device);
+    return TRUE;
+}
+
+/*
  * "hostkey" command
  */
 static const vshCmdInfo info_hostname[] = {
@@ -5566,6 +5643,9 @@ static const vshCmdDef commands[] = {
     {"net-uuid", cmdNetworkUuid, opts_network_uuid, info_network_uuid},
     {"nodeinfo", cmdNodeinfo, NULL, info_nodeinfo},
 
+    {"node-list-devices", cmdNodeListDevices, NULL, info_node_list_devices},
+    {"node-device-dumpxml", cmdNodeDeviceDumpXML, opts_node_device_dumpxml, info_node_device_dumpxml},
+
     {"pool-autostart", cmdPoolAutostart, opts_pool_autostart, info_pool_autostart},
     {"pool-build", cmdPoolBuild, opts_pool_build, info_pool_build},
     {"pool-create", cmdPoolCreate, opts_pool_create, info_pool_create},

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