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); }