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; }