virsh: add "nodedev-start" command

This virsh command maps to virNodeDeviceCreate(), which starts a node
device that has been previously defined by virNodeDeviceDefineXML().
This is only supported for mediated devices.

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Jonathon Jongsma 2020-07-09 16:05:41 -05:00
parent c0db1af2f8
commit 45741a4a2d

View File

@ -1112,6 +1112,57 @@ cmdNodeDeviceDefine(vshControl *ctl, const vshCmd *cmd G_GNUC_UNUSED)
}
/*
* "nodedev-start" command
*/
static const vshCmdInfo info_node_device_start[] = {
{.name = "help",
.data = N_("Start an inactive node device")
},
{.name = "desc",
.data = N_("Starts an inactive node device that was previously defined")
},
{.name = NULL}
};
static const vshCmdOptDef opts_node_device_start[] = {
{.name = "device",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.help = N_("device name"),
.completer = virshNodeDeviceNameCompleter,
},
{.name = NULL}
};
static bool
cmdNodeDeviceStart(vshControl *ctl, const vshCmd *cmd)
{
const char *name = NULL;
virNodeDevice *device;
bool ret = true;
virshControl *priv = ctl->privData;
if (vshCommandOptStringReq(ctl, cmd, "device", &name) < 0)
return false;
if (!(device = virNodeDeviceLookupByName(priv->conn, name))) {
vshError(ctl, _("Could not find matching device '%s'"), name);
return false;
}
if (virNodeDeviceCreate(device) == 0) {
vshPrintExtra(ctl, _("Device %s started\n"), name);
} else {
vshError(ctl, _("Failed to start device %s"), name);
ret = false;
}
virNodeDeviceFree(device);
return ret;
}
const vshCmdDef nodedevCmds[] = {
{.name = "nodedev-create",
.handler = cmdNodeDeviceCreate,
@ -1177,5 +1228,11 @@ const vshCmdDef nodedevCmds[] = {
.info = info_node_device_undefine,
.flags = 0
},
{.name = "nodedev-start",
.handler = cmdNodeDeviceStart,
.opts = opts_node_device_start,
.info = info_node_device_start,
.flags = 0
},
{.name = NULL}
};