#include "boards.h"
#include "pci.h"
#include "net.h"
-#include "sysemu.h"
#include "pc.h"
#include "monitor.h"
-#include "block_int.h"
+#include "scsi.h"
#include "virtio-blk.h"
+#include "qemu-config.h"
+#include "blockdev.h"
-#if defined(TARGET_I386) || defined(TARGET_X86_64)
+#if defined(TARGET_I386)
static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
- const char *devaddr, const char *opts)
+ const char *devaddr,
+ const char *opts_str)
{
- int ret;
+ QemuOpts *opts;
+ PCIBus *bus;
+ int ret, devfn;
- ret = net_client_init(mon, "nic", opts);
+ 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;
+ }
+
+ 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(mon, opts, 0);
if (ret < 0)
return NULL;
if (nd_table[ret].devaddr) {
return pci_nic_init(&nd_table[ret], "rtl8139", devaddr);
}
-void drive_hot_add(Monitor *mon, const char *pci_addr, const char *opts)
+static int scsi_hot_add(Monitor *mon, DeviceState *adapter,
+ DriveInfo *dinfo, int printinfo)
{
- int dom, pci_bus;
- unsigned slot;
- int drive_idx, type, bus;
- int success = 0;
- PCIDevice *dev;
+ SCSIBus *scsibus;
+ SCSIDevice *scsidev;
- if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
- return;
+ scsibus = DO_UPCAST(SCSIBus, qbus, QLIST_FIRST(&adapter->child_bus));
+ if (!scsibus || strcmp(scsibus->qbus.info->name, "SCSI") != 0) {
+ error_report("Device is not a SCSI adapter");
+ return -1;
}
- dev = pci_find_device(pci_bus, slot, 0);
- if (!dev) {
- monitor_printf(mon, "no pci device with address %s\n", pci_addr);
- return;
+ /*
+ * drive_init() tries to find a default for dinfo->unit. Doesn't
+ * work at all for hotplug though as we assign the device to a
+ * specific bus instead of the first bus with spare scsi ids.
+ *
+ * Ditch the calculated value and reload from option string (if
+ * specified).
+ */
+ dinfo->unit = qemu_opt_get_number(dinfo->opts, "unit", -1);
+ dinfo->bus = scsibus->busnr;
+ scsidev = scsi_bus_legacy_add_drive(scsibus, dinfo->bdrv, dinfo->unit, false);
+ if (!scsidev) {
+ return -1;
}
+ dinfo->unit = scsidev->id;
+
+ if (printinfo)
+ monitor_printf(mon, "OK bus %d, unit %d\n",
+ scsibus->busnr, scsidev->id);
+ return 0;
+}
+
+void drive_hot_add(Monitor *mon, const QDict *qdict)
+{
+ int dom, pci_bus;
+ unsigned slot;
+ int type;
+ PCIDevice *dev;
+ DriveInfo *dinfo = NULL;
+ const char *pci_addr = qdict_get_str(qdict, "pci_addr");
+ const char *opts = qdict_get_str(qdict, "opts");
- drive_idx = add_init_drive(opts);
- if (drive_idx < 0)
- return;
- if (drives_table[drive_idx].devaddr) {
+ dinfo = add_init_drive(opts);
+ if (!dinfo)
+ goto err;
+ if (dinfo->devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
- return;
+ goto err;
}
- type = drives_table[drive_idx].type;
- bus = drive_get_max_bus (type);
+ type = dinfo->type;
switch (type) {
case IF_SCSI:
- success = 1;
- lsi_scsi_attach(&dev->qdev, drives_table[drive_idx].bdrv,
- drives_table[drive_idx].unit);
+ if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
+ goto err;
+ }
+ dev = pci_find_device(pci_find_root_bus(dom), 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;
+ case IF_NONE:
+ monitor_printf(mon, "OK\n");
break;
default:
monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
+ goto err;
}
+ return;
- if (success)
- monitor_printf(mon, "OK bus %d, unit %d\n",
- drives_table[drive_idx].bus,
- drives_table[drive_idx].unit);
+err:
+ if (dinfo)
+ drive_put_ref(dinfo);
return;
}
const char *opts)
{
PCIDevice *dev;
- int type = -1, drive_idx = -1;
+ 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"))
}
if (get_param_value(buf, sizeof(buf), "file", opts)) {
- drive_idx = add_init_drive(opts);
- if (drive_idx < 0)
+ dinfo = add_init_drive(opts);
+ if (!dinfo)
return NULL;
- if (drives_table[drive_idx].devaddr) {
+ if (dinfo->devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return NULL;
}
- } else if (type == IF_VIRTIO) {
- monitor_printf(mon, "virtio requires a backing file/device.\n");
+ } 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("lsi53c895a", devaddr);
+ 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);
+ dev = NULL;
+ }
+ }
break;
case IF_VIRTIO:
- dev = pci_create("virtio-blk-pci", devaddr);
+ 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;
}
- if (dev)
- qdev_init(&dev->qdev);
return dev;
}
-void pci_device_hot_add(Monitor *mon, const char *pci_addr, const char *type,
- const char *opts)
+void pci_device_hot_add(Monitor *mon, const QDict *qdict)
{
PCIDevice *dev = NULL;
+ const char *pci_addr = qdict_get_str(qdict, "pci_addr");
+ const char *type = qdict_get_str(qdict, "type");
+ const char *opts = qdict_get_try_str(qdict, "opts");
/* strip legacy tag */
if (!strncmp(pci_addr, "pci_addr=", 9)) {
if (!strcmp(pci_addr, "auto"))
pci_addr = NULL;
- if (strcmp(type, "nic") == 0)
+ if (strcmp(type, "nic") == 0) {
dev = qemu_pci_hot_add_nic(mon, pci_addr, opts);
- else if (strcmp(type, "storage") == 0)
+ } else if (strcmp(type, "storage") == 0) {
dev = qemu_pci_hot_add_storage(mon, pci_addr, opts);
- else
+ } else {
monitor_printf(mon, "invalid type: %s\n", type);
+ }
if (dev) {
- qemu_system_device_hot_add(pci_bus_num(dev->bus),
- PCI_SLOT(dev->devfn), 1);
monitor_printf(mon, "OK domain %d, bus %d, slot %d, function %d\n",
- 0, pci_bus_num(dev->bus), PCI_SLOT(dev->devfn),
+ pci_find_domain(dev->bus),
+ pci_bus_num(dev->bus), PCI_SLOT(dev->devfn),
PCI_FUNC(dev->devfn));
} else
monitor_printf(mon, "failed to add %s\n", opts);
}
#endif
-void pci_device_hot_remove(Monitor *mon, const char *pci_addr)
+static int 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;
+ return -1;
}
- d = pci_find_device(bus, slot, 0);
+ 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;
+ return -1;
}
-
- qemu_system_device_hot_add(bus, slot, 0);
+ return qdev_unplug(&d->qdev);
}
-static int pci_match_fn(void *dev_private, void *arg)
+void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict)
{
- PCIDevice *dev = dev_private;
- PCIDevice *match = arg;
-
- return (dev == match);
+ pci_device_hot_remove(mon, qdict_get_str(qdict, "pci_addr"));
}
-
-/*
- * OS has executed _EJ0 method, we now can remove the device
- */
-void pci_device_hot_remove_success(int pcibus, int slot)
-{
- PCIDevice *d = pci_find_device(pcibus, slot, 0);
- int class_code;
-
- if (!d) {
- monitor_printf(cur_mon, "invalid slot %d\n", slot);
- return;
- }
-
- class_code = d->config_read(d, PCI_CLASS_DEVICE+1, 1);
-
- switch(class_code) {
- case PCI_BASE_CLASS_STORAGE:
- destroy_bdrvs(pci_match_fn, d);
- break;
- case PCI_BASE_CLASS_NETWORK:
- destroy_nic(pci_match_fn, d);
- break;
- }
-
- pci_unregister_device(d);
-}
-
projects / qemu.git / blobdiff