static void vhdx_close(BlockDriverState *bs)
{
BDRVVHDXState *s = bs->opaque;
qemu_vfree(s->headers[0]);
qemu_vfree(s->headers[1]);
qemu_vfree(s->bat);
qemu_vfree(s->parent_entries);
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
int whpx_init_vcpu(CPUState *cpu)
{
HRESULT hr;
struct whpx_state *whpx = &whpx_global;
struct whpx_vcpu *vcpu;
Error *local_error = NULL;
/* Add migration blockers for all unsupported features of the
* Windows Hypervisor Platform
*/
if (whpx_migration_blocker == NULL) {
error_setg(&whpx_migration_blocker,
"State blocked due to non-migratable CPUID feature support,"
"dirty memory tracking support, and XSAVE/XRSTOR support");
(void)migrate_add_blocker(whpx_migration_blocker, &local_error);
if (local_error) {
error_report_err(local_error);
error_free(whpx_migration_blocker);
migrate_del_blocker(whpx_migration_blocker);
return -EINVAL;
}
}
vcpu = g_malloc0(sizeof(struct whpx_vcpu));
if (!vcpu) {
error_report("WHPX: Failed to allocte VCPU context.");
return -ENOMEM;
}
hr = WHvEmulatorCreateEmulator(&whpx_emu_callbacks, &vcpu->emulator);
if (FAILED(hr)) {
error_report("WHPX: Failed to setup instruction completion support,"
" hr=%08lx", hr);
g_free(vcpu);
return -EINVAL;
}
hr = WHvCreateVirtualProcessor(whpx->partition, cpu->cpu_index, 0);
if (FAILED(hr)) {
error_report("WHPX: Failed to create a virtual processor,"
" hr=%08lx", hr);
WHvEmulatorDestroyEmulator(vcpu->emulator);
g_free(vcpu);
return -EINVAL;
}
vcpu->interruptable = true;
cpu->vcpu_dirty = true;
cpu->hax_vcpu = (struct hax_vcpu_state *)vcpu;
return 0;
}
static void vpc_close(BlockDriverState *bs)
{
BDRVVPCState *s = bs->opaque;
qemu_vfree(s->pagetable);
#ifdef CACHE
g_free(s->pageentry_u8);
#endif
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
static void pci_ivshmem_exit(PCIDevice *dev)
{
IVShmemState *s = IVSHMEM(dev);
int i;
fifo8_destroy(&s->incoming_fifo);
if (s->migration_blocker) {
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
if (memory_region_is_mapped(&s->ivshmem)) {
if (!s->hostmem) {
void *addr = memory_region_get_ram_ptr(&s->ivshmem);
int fd;
if (munmap(addr, s->ivshmem_size) == -1) {
error_report("Failed to munmap shared memory %s",
strerror(errno));
}
fd = qemu_get_ram_fd(memory_region_get_ram_addr(&s->ivshmem));
if (fd != -1) {
close(fd);
}
}
vmstate_unregister_ram(&s->ivshmem, DEVICE(dev));
memory_region_del_subregion(&s->bar, &s->ivshmem);
}
if (s->eventfd_chr) {
for (i = 0; i < s->vectors; i++) {
if (s->eventfd_chr[i]) {
qemu_chr_free(s->eventfd_chr[i]);
}
}
g_free(s->eventfd_chr);
}
if (s->peers) {
for (i = 0; i < s->nb_peers; i++) {
close_peer_eventfds(s, i);
}
g_free(s->peers);
}
if (ivshmem_has_feature(s, IVSHMEM_MSI)) {
msix_uninit_exclusive_bar(dev);
}
g_free(s->msi_vectors);
}
static void pci_ivshmem_uninit(PCIDevice *dev)
{
IVShmemState *s = IVSHMEM(dev);
if (s->migration_blocker) {
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
memory_region_del_subregion(&s->bar, &s->ivshmem);
vmstate_unregister_ram(&s->ivshmem, DEVICE(dev));
unregister_savevm(DEVICE(dev), "ivshmem", s);
}
static int vhost_scsi_exit(DeviceState *qdev)
{
VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
VHostSCSI *s = VHOST_SCSI(qdev);
VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(qdev);
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
/* This will stop vhost backend. */
vhost_scsi_set_status(vdev, 0);
g_free(s->dev.vqs);
return virtio_scsi_common_exit(vs);
}
static void vhost_scsi_unrealize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VHostSCSI *s = VHOST_SCSI(dev);
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
/* This will stop vhost backend. */
vhost_scsi_set_status(vdev, 0);
g_free(s->dev.vqs);
virtio_scsi_common_unrealize(dev, errp);
}
static void pci_ivshmem_uninit(PCIDevice *dev)
{
IVShmemState *s = DO_UPCAST(IVShmemState, dev, dev);
if (s->migration_blocker) {
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
memory_region_destroy(&s->ivshmem_mmio);
memory_region_del_subregion(&s->bar, &s->ivshmem);
vmstate_unregister_ram(&s->ivshmem, &s->dev.qdev);
memory_region_destroy(&s->ivshmem);
memory_region_destroy(&s->bar);
unregister_savevm(&dev->qdev, "ivshmem", s);
}
static void tpm_emulator_inst_finalize(Object *obj)
{
TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
tpm_emulator_shutdown(tpm_emu);
object_unref(OBJECT(tpm_emu->data_ioc));
qemu_chr_fe_deinit(&tpm_emu->ctrl_chr, false);
qapi_free_TPMEmulatorOptions(tpm_emu->options);
if (tpm_emu->migration_blocker) {
migrate_del_blocker(tpm_emu->migration_blocker);
error_free(tpm_emu->migration_blocker);
}
qemu_mutex_destroy(&tpm_emu->mutex);
}
static void ivshmem_exit(PCIDevice *dev)
{
IVShmemState *s = IVSHMEM_COMMON(dev);
int i;
if (s->migration_blocker) {
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
if (memory_region_is_mapped(s->ivshmem_bar2)) {
if (!s->hostmem) {
void *addr = memory_region_get_ram_ptr(s->ivshmem_bar2);
int fd;
if (munmap(addr, memory_region_size(s->ivshmem_bar2) == -1)) {
error_report("Failed to munmap shared memory %s",
strerror(errno));
}
fd = memory_region_get_fd(s->ivshmem_bar2);
close(fd);
}
vmstate_unregister_ram(s->ivshmem_bar2, DEVICE(dev));
}
if (s->peers) {
for (i = 0; i < s->nb_peers; i++) {
close_peer_eventfds(s, i);
}
g_free(s->peers);
}
if (ivshmem_has_feature(s, IVSHMEM_MSI)) {
msix_uninit_exclusive_bar(dev);
}
g_free(s->msi_vectors);
}
static void bdrv_qed_close(BlockDriverState *bs)
{
BDRVQEDState *s = bs->opaque;
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
qed_cancel_need_check_timer(s);
qemu_free_timer(s->need_check_timer);
/* Ensure writes reach stable storage */
bdrv_flush(bs->file);
/* Clean shutdown, no check required on next open */
if (s->header.features & QED_F_NEED_CHECK) {
s->header.features &= ~QED_F_NEED_CHECK;
qed_write_header_sync(s);
}
qed_free_l2_cache(&s->l2_cache);
qemu_vfree(s->l1_table);
}
