static int pci_device_hot_remove(Monitor *mon, const char *pci_addr)
{
PCIBus *root = pci_find_primary_bus();
PCIDevice *d;
int bus;
unsigned slot;
Error *local_err = NULL;
if (!root) {
monitor_printf(mon, "no primary PCI bus (if there are multiple"
" PCI roots, you must use device_del instead)");
return -1;
}
if (pci_read_devaddr(mon, pci_addr, &bus, &slot)) {
return -1;
}
d = pci_find_device(root, bus, PCI_DEVFN(slot, 0));
if (!d) {
monitor_printf(mon, "slot %d empty\n", slot);
return -1;
}
qdev_unplug(&d->qdev, &local_err);
if (error_is_set(&local_err)) {
monitor_printf(mon, "%s\n", error_get_pretty(local_err));
error_free(local_err);
return -1;
}
return 0;
}
static int pci_device_hot_remove(Monitor *mon, const char *pci_addr)
{
PCIDevice *d;
int dom, bus;
unsigned slot;
Error *local_err = NULL;
if (pci_read_devaddr(mon, pci_addr, &dom, &bus, &slot)) {
return -1;
}
d = pci_find_device(pci_find_root_bus(dom), bus, PCI_DEVFN(slot, 0));
if (!d) {
monitor_printf(mon, "slot %d empty\n", slot);
return -1;
}
qdev_unplug(&d->qdev, &local_err);
if (error_is_set(&local_err)) {
monitor_printf(mon, "%s\n", error_get_pretty(local_err));
error_free(local_err);
return -1;
}
return 0;
}
static void unplug_disks(PCIBus *b, PCIDevice *d)
{
if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
PCI_CLASS_STORAGE_IDE) {
qdev_unplug(&(d->qdev));
}
}
static void unplug_nic(PCIBus *b, PCIDevice *d)
{
if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
PCI_CLASS_NETWORK_ETHERNET) {
qdev_unplug(&(d->qdev));
}
}
static void unplug_disks(PCIBus *b, PCIDevice *d, void *o)
{
/* We have to ignore passthrough devices */
if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
PCI_CLASS_STORAGE_IDE
&& strcmp(d->name, "xen-pci-passthrough") != 0) {
qdev_unplug(&(d->qdev), NULL);
}
}
static void usb_msd_password_cb(void *opaque, int err)
{
MSDState *s = opaque;
if (!err)
usb_device_attach(&s->dev);
else
qdev_unplug(&s->dev.qdev);
}
void pci_device_hot_remove(Monitor *mon, const char *pci_addr)
{
PCIDevice *d;
int dom, bus;
unsigned slot;
if (pci_read_devaddr(mon, pci_addr, &dom, &bus, &slot)) {
return;
}
d = pci_find_device(pci_find_host_bus(0), bus, slot, 0);
if (!d) {
monitor_printf(mon, "slot %d empty\n", slot);
return;
}
qdev_unplug(&d->qdev);
}
static PCIDevice *qemu_pci_hot_add_storage(Monitor *mon,
const char *devaddr,
const char *opts)
{
PCIDevice *dev;
DriveInfo *dinfo = NULL;
int type = -1;
char buf[128];
PCIBus *bus;
int devfn;
if (get_param_value(buf, sizeof(buf), "if", opts)) {
if (!strcmp(buf, "scsi"))
type = IF_SCSI;
else if (!strcmp(buf, "virtio")) {
type = IF_VIRTIO;
} else {
monitor_printf(mon, "type %s not a hotpluggable PCI device.\n", buf);
return NULL;
}
} else {
monitor_printf(mon, "no if= specified\n");
return NULL;
}
if (get_param_value(buf, sizeof(buf), "file", opts)) {
dinfo = add_init_drive(opts);
if (!dinfo)
return NULL;
if (dinfo->devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return NULL;
}
} else {
dinfo = NULL;
}
bus = pci_get_bus_devfn(&devfn, devaddr);
if (!bus) {
monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
return NULL;
}
if (!((BusState*)bus)->allow_hotplug) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
switch (type) {
case IF_SCSI:
dev = pci_create(bus, devfn, "lsi53c895a");
if (qdev_init(&dev->qdev) < 0)
dev = NULL;
if (dev && dinfo) {
if (scsi_hot_add(mon, &dev->qdev, dinfo, 0) != 0) {
qdev_unplug(&dev->qdev, NULL);
dev = NULL;
}
}
break;
case IF_VIRTIO:
if (!dinfo) {
monitor_printf(mon, "virtio requires a backing file/device.\n");
return NULL;
}
dev = pci_create(bus, devfn, "virtio-blk-pci");
if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) {
qdev_free(&dev->qdev);
dev = NULL;
break;
}
if (qdev_init(&dev->qdev) < 0)
dev = NULL;
break;
default:
dev = NULL;
}
return dev;
}
static PCIDevice *qemu_pci_hot_add_storage(Monitor *mon,
const char *devaddr,
const char *opts)
{
PCIDevice *dev;
DriveInfo *dinfo = NULL;
int type = -1;
char buf[128];
PCIBus *root = pci_find_primary_bus();
PCIBus *bus;
int devfn;
if (get_param_value(buf, sizeof(buf), "if", opts)) {
if (!strcmp(buf, "scsi"))
type = IF_SCSI;
else if (!strcmp(buf, "virtio")) {
type = IF_VIRTIO;
} else {
monitor_printf(mon, "type %s not a hotpluggable PCI device.\n", buf);
return NULL;
}
} else {
monitor_printf(mon, "no if= specified\n");
return NULL;
}
if (get_param_value(buf, sizeof(buf), "file", opts)) {
dinfo = add_init_drive(opts);
if (!dinfo)
return NULL;
if (dinfo->devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return NULL;
}
} else {
dinfo = NULL;
}
if (!root) {
monitor_printf(mon, "no primary PCI bus (if there are multiple"
" PCI roots, you must use device_add instead)");
return NULL;
}
bus = pci_get_bus_devfn(&devfn, root, devaddr);
if (!bus) {
monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
return NULL;
}
if (!qbus_is_hotpluggable(BUS(bus))) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
switch (type) {
case IF_SCSI:
dev = pci_create(bus, devfn, "lsi53c895a");
if (qdev_init(&dev->qdev) < 0)
dev = NULL;
if (dev && dinfo) {
if (scsi_hot_add(mon, &dev->qdev, dinfo, 0) != 0) {
qdev_unplug(&dev->qdev, NULL);
dev = NULL;
}
}
break;
case IF_VIRTIO:
if (!dinfo) {
monitor_printf(mon, "virtio requires a backing file/device.\n");
return NULL;
}
dev = pci_create(bus, devfn, "virtio-blk-pci");
if (qdev_prop_set_drive(&dev->qdev, "drive",
blk_by_legacy_dinfo(dinfo)) < 0) {
object_unparent(OBJECT(dev));
dev = NULL;
break;
}
if (qdev_init(&dev->qdev) < 0)
dev = NULL;
break;
default:
dev = NULL;
}
return dev;
}
