static int f2xx_flash_init(SysBusDevice *dev)
{
f2xx_flash_t *flash = FROM_SYSBUS(typeof(*flash), dev);
// memory_region_init_rom_device(&flash->mem, &f2xx_flash_ops, flash, "name",
// size);
memory_region_init_ram(&flash->mem, NULL, "f2xx.flash", flash->size);
vmstate_register_ram(&flash->mem, DEVICE(flash));
//vmstate_register_ram_global(&flash->mem);
memory_region_set_readonly(&flash->mem, true);
memory_region_add_subregion(get_system_memory(), flash->base_address, &flash->mem);
// sysbus_init_mmio(dev, &flash->mem);
flash->data = memory_region_get_ram_ptr(&flash->mem);
memset(flash->data, 0xff, flash->size);
if (flash->bdrv) {
int r;
r = bdrv_read(flash->bdrv, 0, flash->data, bdrv_getlength(flash->bdrv)/BDRV_SECTOR_SIZE);
if (r < 0) {
vmstate_unregister_ram(&flash->mem, DEVICE(flash));
memory_region_destroy(&flash->mem);
return 1;
}
}
return 0;
}
void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms,
MemoryRegion *mr)
{
PCDIMMDevice *dimm = PC_DIMM(dev);
numa_unset_mem_node_id(dimm->addr, memory_region_size(mr), dimm->node);
memory_region_del_subregion(&hpms->mr, mr);
vmstate_unregister_ram(mr, dev);
}
void pc_dimm_memory_unplug(DeviceState *dev, MemoryHotplugState *hpms,
MemoryRegion *mr)
{
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm);
numa_unset_mem_node_id(dimm->addr, memory_region_size(mr), dimm->node);
memory_region_del_subregion(&hpms->mr, mr);
vmstate_unregister_ram(vmstate_mr, dev);
}
void pc_dimm_unplug(DeviceState *dev, MachineState *machine)
{
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *vmstate_mr = ddc->get_vmstate_memory_region(dimm,
&error_abort);
MemoryRegion *mr = ddc->get_memory_region(dimm, &error_abort);
memory_device_unplug_region(machine, mr);
vmstate_unregister_ram(vmstate_mr, dev);
}
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 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 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);
}
