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refactor drive_hot_add 

move pci device lookup into the "case IF_SCSI" section, so we
can do something else for other interface types.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-09-25 21:42:47 +02:00 committed by Anthony Liguori
parent 56a1493880
commit 4db49dc087
1 changed files with 21 additions and 21 deletions
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42
hw/pci-hotplug.c
View File

@ -58,48 +58,48 @@ void drive_hot_add(Monitor *mon, const QDict *qdict)
int dom, pci_bus;
unsigned slot;
int type, bus;
int success = 0;
PCIDevice *dev;
DriveInfo *dinfo;
DriveInfo *dinfo = NULL;
const char *pci_addr = qdict_get_str(qdict, "pci_addr");
const char *opts = qdict_get_str(qdict, "opts");
BusState *scsibus;
if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
return;
}
dev = pci_find_device(pci_bus, slot, 0);
if (!dev) {
monitor_printf(mon, "no pci device with address %s\n", pci_addr);
return;
}
dinfo = add_init_drive(opts);
if (!dinfo)
return;
goto err;
if (dinfo->devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return;
goto err;
}
type = dinfo->type;
bus = drive_get_max_bus (type);
switch (type) {
case IF_SCSI:
success = 1;
if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
goto err;
}
dev = pci_find_device(pci_bus, slot, 0);
if (!dev) {
monitor_printf(mon, "no pci device with address %s\n", pci_addr);
goto err;
}
scsibus = QLIST_FIRST(&dev->qdev.child_bus);
scsi_bus_legacy_add_drive(DO_UPCAST(SCSIBus, qbus, scsibus),
dinfo, dinfo->unit);
break;
default:
monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
}
if (success)
monitor_printf(mon, "OK bus %d, unit %d\n",
dinfo->bus,
dinfo->unit);
break;
default:
monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
goto err;
}
return;
err:
if (dinfo)
drive_uninit(dinfo);
return;
}