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 void pc_xen_hvm_init(QEMUMachineInitArgs *args)
{
PCIBus *bus;
pc_init_pci(args);
bus = pci_find_primary_bus();
if (bus != NULL) {
pci_create_simple(bus, -1, "xen-platform");
}
}
static void pc_xen_hvm_init(MachineState *machine)
{
PCIBus *bus;
pc_init_pci(machine);
bus = pci_find_primary_bus();
if (bus != NULL) {
pci_create_simple(bus, -1, "xen-platform");
}
}
static void pc_xen_hvm_init(MachineState *machine)
{
PCIBus *bus;
if (!xen_enabled()) {
error_report("xenfv machine requires the xen accelerator");
exit(1);
}
pc_xen_hvm_init_pci(machine);
bus = pci_find_primary_bus();
if (bus != NULL) {
pci_create_simple(bus, -1, "xen-platform");
}
}
static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
const char *devaddr,
const char *opts_str)
{
Error *local_err = NULL;
QemuOpts *opts;
PCIBus *root = pci_find_primary_bus();
PCIBus *bus;
int ret, devfn;
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 (!((BusState*)bus)->allow_hotplug) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0);
if (!opts) {
return NULL;
}
qemu_opt_set(opts, "type", "nic");
ret = net_client_init(opts, 0, &local_err);
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
error_free(local_err);
return NULL;
}
if (nd_table[ret].devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return NULL;
}
return pci_nic_init(&nd_table[ret], root, "rtl8139", devaddr);
}
int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo)
{
int pci_bus;
unsigned slot;
PCIBus *root = pci_find_primary_bus();
PCIDevice *dev;
const char *pci_addr = qdict_get_str(qdict, "pci_addr");
switch (dinfo->type) {
case IF_SCSI:
if (!root) {
monitor_printf(mon, "no primary PCI bus (if there are multiple"
" PCI roots, you must use device_add instead)");
goto err;
}
if (pci_read_devaddr(mon, pci_addr, &pci_bus, &slot)) {
goto err;
}
dev = pci_find_device(root, pci_bus, PCI_DEVFN(slot, 0));
if (!dev) {
monitor_printf(mon, "no pci device with address %s\n", pci_addr);
goto err;
}
if (scsi_hot_add(mon, &dev->qdev, dinfo, 1) != 0) {
goto err;
}
break;
default:
monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
goto err;
}
return 0;
err:
return -1;
}
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 (!((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;
}
