static void nic_setup(libxl__egc *egc, libxl__checkpoint_device *dev)
{
int rc;
libxl__remus_device_nic *remus_nic;
const libxl_device_nic *nic = dev->backend_dev;
STATE_AO_GC(dev->cds->ao);
/*
* thers's no subkind of nic devices, so nic ops is always matched
* with nic devices
*/
dev->matched = true;
GCNEW(remus_nic);
dev->concrete_data = remus_nic;
remus_nic->devid = nic->devid;
remus_nic->vif = get_vifname(dev, nic);
if (!remus_nic->vif) {
rc = ERROR_FAIL;
goto out;
}
setup_async_exec(dev, "setup");
rc = libxl__async_exec_start(&dev->aodev.aes);
if (rc)
goto out;
return;
out:
dev->aodev.rc = rc;
dev->aodev.callback(egc, &dev->aodev);
}
static void nic_teardown(libxl__egc *egc, libxl__checkpoint_device *dev)
{
int rc;
STATE_AO_GC(dev->cds->ao);
setup_async_exec(dev, "teardown");
rc = libxl__async_exec_start(&dev->aodev.aes);
if (rc)
goto out;
return;
out:
dev->aodev.rc = rc;
dev->aodev.callback(egc, &dev->aodev);
}
static void match_async_exec(libxl__egc *egc, libxl__remus_device *dev)
{
int arraysize, nr = 0, rc;
const libxl_device_disk *disk = dev->backend_dev;
libxl__async_exec_state *aes = &dev->aodev.aes;
STATE_AO_GC(dev->rds->ao);
/* setup env & args */
arraysize = 1;
GCNEW_ARRAY(aes->env, arraysize);
aes->env[nr++] = NULL;
assert(nr <= arraysize);
arraysize = 3;
nr = 0;
GCNEW_ARRAY(aes->args, arraysize);
aes->args[nr++] = dev->rds->drbd_probe_script;
aes->args[nr++] = disk->pdev_path;
aes->args[nr++] = NULL;
assert(nr <= arraysize);
aes->ao = dev->rds->ao;
aes->what = GCSPRINTF("%s %s", aes->args[0], aes->args[1]);
aes->timeout_ms = LIBXL_HOTPLUG_TIMEOUT * 1000;
aes->callback = match_async_exec_cb;
aes->stdfds[0] = -1;
aes->stdfds[1] = -1;
aes->stdfds[2] = -1;
rc = libxl__async_exec_start(gc, aes);
if (rc)
goto out;
return;
out:
dev->aodev.rc = rc;
dev->aodev.callback(egc, &dev->aodev);
}