| /* |
| * virtio ccw machine |
| * |
| * Copyright 2012, 2020 IBM Corp. |
| * Copyright (c) 2009 Alexander Graf <agraf@suse.de> |
| * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> |
| * Janosch Frank <frankja@linux.ibm.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| * your option) any later version. See the COPYING file in the top-level |
| * directory. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "exec/ram_addr.h" |
| #include "hw/s390x/s390-virtio-hcall.h" |
| #include "hw/s390x/sclp.h" |
| #include "hw/s390x/s390_flic.h" |
| #include "hw/s390x/ioinst.h" |
| #include "hw/s390x/css.h" |
| #include "virtio-ccw.h" |
| #include "qemu/config-file.h" |
| #include "qemu/ctype.h" |
| #include "qemu/error-report.h" |
| #include "qemu/option.h" |
| #include "qemu/qemu-print.h" |
| #include "qemu/units.h" |
| #include "hw/s390x/s390-pci-bus.h" |
| #include "sysemu/reset.h" |
| #include "hw/s390x/storage-keys.h" |
| #include "hw/s390x/storage-attributes.h" |
| #include "hw/s390x/event-facility.h" |
| #include "ipl.h" |
| #include "hw/s390x/s390-virtio-ccw.h" |
| #include "hw/s390x/css-bridge.h" |
| #include "hw/s390x/ap-bridge.h" |
| #include "migration/register.h" |
| #include "cpu_models.h" |
| #include "hw/nmi.h" |
| #include "hw/qdev-properties.h" |
| #include "hw/s390x/tod.h" |
| #include "sysemu/sysemu.h" |
| #include "hw/s390x/pv.h" |
| #include "migration/blocker.h" |
| |
| static Error *pv_mig_blocker; |
| |
| S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) |
| { |
| static MachineState *ms; |
| |
| if (!ms) { |
| ms = MACHINE(qdev_get_machine()); |
| g_assert(ms->possible_cpus); |
| } |
| |
| /* CPU address corresponds to the core_id and the index */ |
| if (cpu_addr >= ms->possible_cpus->len) { |
| return NULL; |
| } |
| return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); |
| } |
| |
| static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, |
| Error **errp) |
| { |
| S390CPU *cpu = S390_CPU(object_new(typename)); |
| S390CPU *ret = NULL; |
| |
| if (!object_property_set_int(OBJECT(cpu), "core-id", core_id, errp)) { |
| goto out; |
| } |
| if (!qdev_realize(DEVICE(cpu), NULL, errp)) { |
| goto out; |
| } |
| ret = cpu; |
| |
| out: |
| object_unref(OBJECT(cpu)); |
| return ret; |
| } |
| |
| static void s390_init_cpus(MachineState *machine) |
| { |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| int i; |
| |
| /* initialize possible_cpus */ |
| mc->possible_cpu_arch_ids(machine); |
| |
| for (i = 0; i < machine->smp.cpus; i++) { |
| s390x_new_cpu(machine->cpu_type, i, &error_fatal); |
| } |
| } |
| |
| static const char *const reset_dev_types[] = { |
| TYPE_VIRTUAL_CSS_BRIDGE, |
| "s390-sclp-event-facility", |
| "s390-flic", |
| "diag288", |
| TYPE_S390_PCI_HOST_BRIDGE, |
| }; |
| |
| static void subsystem_reset(void) |
| { |
| DeviceState *dev; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { |
| dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); |
| if (dev) { |
| qdev_reset_all(dev); |
| } |
| } |
| } |
| |
| static int virtio_ccw_hcall_notify(const uint64_t *args) |
| { |
| uint64_t subch_id = args[0]; |
| uint64_t queue = args[1]; |
| SubchDev *sch; |
| int cssid, ssid, schid, m; |
| |
| if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { |
| return -EINVAL; |
| } |
| sch = css_find_subch(m, cssid, ssid, schid); |
| if (!sch || !css_subch_visible(sch)) { |
| return -EINVAL; |
| } |
| if (queue >= VIRTIO_QUEUE_MAX) { |
| return -EINVAL; |
| } |
| virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); |
| return 0; |
| |
| } |
| |
| static int virtio_ccw_hcall_early_printk(const uint64_t *args) |
| { |
| uint64_t mem = args[0]; |
| MachineState *ms = MACHINE(qdev_get_machine()); |
| |
| if (mem < ms->ram_size) { |
| /* Early printk */ |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| static void virtio_ccw_register_hcalls(void) |
| { |
| s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, |
| virtio_ccw_hcall_notify); |
| /* Tolerate early printk. */ |
| s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, |
| virtio_ccw_hcall_early_printk); |
| } |
| |
| static void s390_memory_init(MemoryRegion *ram) |
| { |
| MemoryRegion *sysmem = get_system_memory(); |
| |
| /* allocate RAM for core */ |
| memory_region_add_subregion(sysmem, 0, ram); |
| |
| /* |
| * Configure the maximum page size. As no memory devices were created |
| * yet, this is the page size of initial memory only. |
| */ |
| s390_set_max_pagesize(qemu_maxrampagesize(), &error_fatal); |
| /* Initialize storage key device */ |
| s390_skeys_init(); |
| /* Initialize storage attributes device */ |
| s390_stattrib_init(); |
| } |
| |
| static void s390_init_ipl_dev(const char *kernel_filename, |
| const char *kernel_cmdline, |
| const char *initrd_filename, const char *firmware, |
| const char *netboot_fw, bool enforce_bios) |
| { |
| Object *new = object_new(TYPE_S390_IPL); |
| DeviceState *dev = DEVICE(new); |
| char *netboot_fw_prop; |
| |
| if (kernel_filename) { |
| qdev_prop_set_string(dev, "kernel", kernel_filename); |
| } |
| if (initrd_filename) { |
| qdev_prop_set_string(dev, "initrd", initrd_filename); |
| } |
| qdev_prop_set_string(dev, "cmdline", kernel_cmdline); |
| qdev_prop_set_string(dev, "firmware", firmware); |
| qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); |
| netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); |
| if (!strlen(netboot_fw_prop)) { |
| qdev_prop_set_string(dev, "netboot_fw", netboot_fw); |
| } |
| g_free(netboot_fw_prop); |
| object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, |
| new); |
| object_unref(new); |
| qdev_realize(dev, NULL, &error_fatal); |
| } |
| |
| static void s390_create_virtio_net(BusState *bus, const char *name) |
| { |
| int i; |
| |
| for (i = 0; i < nb_nics; i++) { |
| NICInfo *nd = &nd_table[i]; |
| DeviceState *dev; |
| |
| if (!nd->model) { |
| nd->model = g_strdup("virtio"); |
| } |
| |
| qemu_check_nic_model(nd, "virtio"); |
| |
| dev = qdev_new(name); |
| qdev_set_nic_properties(dev, nd); |
| qdev_realize_and_unref(dev, bus, &error_fatal); |
| } |
| } |
| |
| static void s390_create_sclpconsole(const char *type, Chardev *chardev) |
| { |
| DeviceState *dev; |
| |
| dev = qdev_new(type); |
| qdev_prop_set_chr(dev, "chardev", chardev); |
| qdev_realize_and_unref(dev, sclp_get_event_facility_bus(), &error_fatal); |
| } |
| |
| static void ccw_init(MachineState *machine) |
| { |
| int ret; |
| VirtualCssBus *css_bus; |
| DeviceState *dev; |
| |
| s390_sclp_init(); |
| /* init memory + setup max page size. Required for the CPU model */ |
| s390_memory_init(machine->ram); |
| |
| /* init CPUs (incl. CPU model) early so s390_has_feature() works */ |
| s390_init_cpus(machine); |
| |
| /* Need CPU model to be determined before we can set up PV */ |
| s390_pv_init(machine->cgs, &error_fatal); |
| |
| s390_flic_init(); |
| |
| /* init the SIGP facility */ |
| s390_init_sigp(); |
| |
| /* create AP bridge and bus(es) */ |
| s390_init_ap(); |
| |
| /* get a BUS */ |
| css_bus = virtual_css_bus_init(); |
| s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, |
| machine->initrd_filename, |
| machine->firmware ?: "s390-ccw.img", |
| "s390-netboot.img", true); |
| |
| dev = qdev_new(TYPE_S390_PCI_HOST_BRIDGE); |
| object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, |
| OBJECT(dev)); |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| |
| /* register hypercalls */ |
| virtio_ccw_register_hcalls(); |
| |
| s390_enable_css_support(s390_cpu_addr2state(0)); |
| |
| ret = css_create_css_image(VIRTUAL_CSSID, true); |
| |
| assert(ret == 0); |
| if (css_migration_enabled()) { |
| css_register_vmstate(); |
| } |
| |
| /* Create VirtIO network adapters */ |
| s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); |
| |
| /* init consoles */ |
| if (serial_hd(0)) { |
| s390_create_sclpconsole("sclpconsole", serial_hd(0)); |
| } |
| if (serial_hd(1)) { |
| s390_create_sclpconsole("sclplmconsole", serial_hd(1)); |
| } |
| |
| /* init the TOD clock */ |
| s390_init_tod(); |
| } |
| |
| static void s390_cpu_plug(HotplugHandler *hotplug_dev, |
| DeviceState *dev, Error **errp) |
| { |
| MachineState *ms = MACHINE(hotplug_dev); |
| S390CPU *cpu = S390_CPU(dev); |
| |
| g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); |
| ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); |
| |
| if (dev->hotplugged) { |
| raise_irq_cpu_hotplug(); |
| } |
| } |
| |
| static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) |
| { |
| S390CPU *cpu = S390_CPU(cs); |
| |
| s390_ipl_prepare_cpu(cpu); |
| s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); |
| } |
| |
| static void s390_machine_unprotect(S390CcwMachineState *ms) |
| { |
| s390_pv_vm_disable(); |
| ms->pv = false; |
| migrate_del_blocker(pv_mig_blocker); |
| error_free_or_abort(&pv_mig_blocker); |
| ram_block_discard_disable(false); |
| } |
| |
| static int s390_machine_protect(S390CcwMachineState *ms) |
| { |
| Error *local_err = NULL; |
| int rc; |
| |
| /* |
| * Discarding of memory in RAM blocks does not work as expected with |
| * protected VMs. Sharing and unsharing pages would be required. Disable |
| * it for now, until until we have a solution to make at least Linux |
| * guests either support it (e.g., virtio-balloon) or fail gracefully. |
| */ |
| rc = ram_block_discard_disable(true); |
| if (rc) { |
| error_report("protected VMs: cannot disable RAM discard"); |
| return rc; |
| } |
| |
| error_setg(&pv_mig_blocker, |
| "protected VMs are currently not migrateable."); |
| rc = migrate_add_blocker(pv_mig_blocker, &local_err); |
| if (rc) { |
| ram_block_discard_disable(false); |
| error_report_err(local_err); |
| error_free_or_abort(&pv_mig_blocker); |
| return rc; |
| } |
| |
| /* Create SE VM */ |
| rc = s390_pv_vm_enable(); |
| if (rc) { |
| ram_block_discard_disable(false); |
| migrate_del_blocker(pv_mig_blocker); |
| error_free_or_abort(&pv_mig_blocker); |
| return rc; |
| } |
| |
| ms->pv = true; |
| |
| /* Set SE header and unpack */ |
| rc = s390_ipl_prepare_pv_header(); |
| if (rc) { |
| goto out_err; |
| } |
| |
| /* Decrypt image */ |
| rc = s390_ipl_pv_unpack(); |
| if (rc) { |
| goto out_err; |
| } |
| |
| /* Verify integrity */ |
| rc = s390_pv_verify(); |
| if (rc) { |
| goto out_err; |
| } |
| return rc; |
| |
| out_err: |
| s390_machine_unprotect(ms); |
| return rc; |
| } |
| |
| static void s390_pv_prepare_reset(S390CcwMachineState *ms) |
| { |
| CPUState *cs; |
| |
| if (!s390_is_pv()) { |
| return; |
| } |
| /* Unsharing requires all cpus to be stopped */ |
| CPU_FOREACH(cs) { |
| s390_cpu_set_state(S390_CPU_STATE_STOPPED, S390_CPU(cs)); |
| } |
| s390_pv_unshare(); |
| s390_pv_prep_reset(); |
| } |
| |
| static void s390_machine_reset(MachineState *machine) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(machine); |
| enum s390_reset reset_type; |
| CPUState *cs, *t; |
| S390CPU *cpu; |
| |
| /* get the reset parameters, reset them once done */ |
| s390_ipl_get_reset_request(&cs, &reset_type); |
| |
| /* all CPUs are paused and synchronized at this point */ |
| s390_cmma_reset(); |
| |
| cpu = S390_CPU(cs); |
| |
| switch (reset_type) { |
| case S390_RESET_EXTERNAL: |
| case S390_RESET_REIPL: |
| if (s390_is_pv()) { |
| s390_machine_unprotect(ms); |
| } |
| |
| qemu_devices_reset(); |
| s390_crypto_reset(); |
| |
| /* configure and start the ipl CPU only */ |
| run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); |
| break; |
| case S390_RESET_MODIFIED_CLEAR: |
| /* |
| * Susbsystem reset needs to be done before we unshare memory |
| * and lose access to VIRTIO structures in guest memory. |
| */ |
| subsystem_reset(); |
| s390_crypto_reset(); |
| s390_pv_prepare_reset(ms); |
| CPU_FOREACH(t) { |
| run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); |
| } |
| run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); |
| break; |
| case S390_RESET_LOAD_NORMAL: |
| /* |
| * Susbsystem reset needs to be done before we unshare memory |
| * and lose access to VIRTIO structures in guest memory. |
| */ |
| subsystem_reset(); |
| s390_pv_prepare_reset(ms); |
| CPU_FOREACH(t) { |
| if (t == cs) { |
| continue; |
| } |
| run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); |
| } |
| run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); |
| run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); |
| break; |
| case S390_RESET_PV: /* Subcode 10 */ |
| subsystem_reset(); |
| s390_crypto_reset(); |
| |
| CPU_FOREACH(t) { |
| if (t == cs) { |
| continue; |
| } |
| run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); |
| } |
| run_on_cpu(cs, s390_do_cpu_reset, RUN_ON_CPU_NULL); |
| |
| if (s390_machine_protect(ms)) { |
| s390_pv_inject_reset_error(cs); |
| /* |
| * Continue after the diag308 so the guest knows something |
| * went wrong. |
| */ |
| s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); |
| return; |
| } |
| |
| run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| |
| CPU_FOREACH(t) { |
| run_on_cpu(t, s390_do_cpu_set_diag318, RUN_ON_CPU_HOST_ULONG(0)); |
| } |
| s390_ipl_clear_reset_request(); |
| } |
| |
| static void s390_machine_device_plug(HotplugHandler *hotplug_dev, |
| DeviceState *dev, Error **errp) |
| { |
| if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { |
| s390_cpu_plug(hotplug_dev, dev, errp); |
| } |
| } |
| |
| static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, |
| DeviceState *dev, Error **errp) |
| { |
| if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { |
| error_setg(errp, "CPU hot unplug not supported on this machine"); |
| return; |
| } |
| } |
| |
| static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, |
| unsigned cpu_index) |
| { |
| MachineClass *mc = MACHINE_GET_CLASS(ms); |
| const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); |
| |
| assert(cpu_index < possible_cpus->len); |
| return possible_cpus->cpus[cpu_index].props; |
| } |
| |
| static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) |
| { |
| int i; |
| unsigned int max_cpus = ms->smp.max_cpus; |
| |
| if (ms->possible_cpus) { |
| g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); |
| return ms->possible_cpus; |
| } |
| |
| ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + |
| sizeof(CPUArchId) * max_cpus); |
| ms->possible_cpus->len = max_cpus; |
| for (i = 0; i < ms->possible_cpus->len; i++) { |
| ms->possible_cpus->cpus[i].type = ms->cpu_type; |
| ms->possible_cpus->cpus[i].vcpus_count = 1; |
| ms->possible_cpus->cpus[i].arch_id = i; |
| ms->possible_cpus->cpus[i].props.has_core_id = true; |
| ms->possible_cpus->cpus[i].props.core_id = i; |
| } |
| |
| return ms->possible_cpus; |
| } |
| |
| static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, |
| DeviceState *dev) |
| { |
| if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { |
| return HOTPLUG_HANDLER(machine); |
| } |
| return NULL; |
| } |
| |
| static void s390_nmi(NMIState *n, int cpu_index, Error **errp) |
| { |
| CPUState *cs = qemu_get_cpu(cpu_index); |
| |
| s390_cpu_restart(S390_CPU(cs)); |
| } |
| |
| static ram_addr_t s390_fixup_ram_size(ram_addr_t sz) |
| { |
| /* same logic as in sclp.c */ |
| int increment_size = 20; |
| ram_addr_t newsz; |
| |
| while ((sz >> increment_size) > MAX_STORAGE_INCREMENTS) { |
| increment_size++; |
| } |
| newsz = sz >> increment_size << increment_size; |
| |
| if (sz != newsz) { |
| qemu_printf("Ram size %" PRIu64 "MB was fixed up to %" PRIu64 |
| "MB to match machine restrictions. Consider updating " |
| "the guest definition.\n", (uint64_t) (sz / MiB), |
| (uint64_t) (newsz / MiB)); |
| } |
| return newsz; |
| } |
| |
| static void ccw_machine_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| NMIClass *nc = NMI_CLASS(oc); |
| HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); |
| S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); |
| |
| s390mc->ri_allowed = true; |
| s390mc->cpu_model_allowed = true; |
| s390mc->css_migration_enabled = true; |
| s390mc->hpage_1m_allowed = true; |
| mc->init = ccw_init; |
| mc->reset = s390_machine_reset; |
| mc->block_default_type = IF_VIRTIO; |
| mc->no_cdrom = 1; |
| mc->no_floppy = 1; |
| mc->no_parallel = 1; |
| mc->no_sdcard = 1; |
| mc->max_cpus = S390_MAX_CPUS; |
| mc->has_hotpluggable_cpus = true; |
| assert(!mc->get_hotplug_handler); |
| mc->get_hotplug_handler = s390_get_hotplug_handler; |
| mc->cpu_index_to_instance_props = s390_cpu_index_to_props; |
| mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; |
| /* it is overridden with 'host' cpu *in kvm_arch_init* */ |
| mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); |
| hc->plug = s390_machine_device_plug; |
| hc->unplug_request = s390_machine_device_unplug_request; |
| nc->nmi_monitor_handler = s390_nmi; |
| mc->default_ram_id = "s390.ram"; |
| } |
| |
| static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(obj); |
| |
| return ms->aes_key_wrap; |
| } |
| |
| static inline void machine_set_aes_key_wrap(Object *obj, bool value, |
| Error **errp) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(obj); |
| |
| ms->aes_key_wrap = value; |
| } |
| |
| static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(obj); |
| |
| return ms->dea_key_wrap; |
| } |
| |
| static inline void machine_set_dea_key_wrap(Object *obj, bool value, |
| Error **errp) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(obj); |
| |
| ms->dea_key_wrap = value; |
| } |
| |
| static S390CcwMachineClass *current_mc; |
| |
| /* |
| * Get the class of the s390-ccw-virtio machine that is currently in use. |
| * Note: libvirt is using the "none" machine to probe for the features of the |
| * host CPU, so in case this is called with the "none" machine, the function |
| * returns the TYPE_S390_CCW_MACHINE base class. In this base class, all the |
| * various "*_allowed" variables are enabled, so that the *_allowed() wrappers |
| * below return the correct default value for the "none" machine. |
| * |
| * Attention! Do *not* add additional new wrappers for CPU features (e.g. like |
| * the ri_allowed() wrapper) via this mechanism anymore. CPU features should |
| * be handled via the CPU models, i.e. checking with cpu_model_allowed() during |
| * CPU initialization and s390_has_feat() later should be sufficient. |
| */ |
| static S390CcwMachineClass *get_machine_class(void) |
| { |
| if (unlikely(!current_mc)) { |
| /* |
| * No s390 ccw machine was instantiated, we are likely to |
| * be called for the 'none' machine. The properties will |
| * have their after-initialization values. |
| */ |
| current_mc = S390_CCW_MACHINE_CLASS( |
| object_class_by_name(TYPE_S390_CCW_MACHINE)); |
| } |
| return current_mc; |
| } |
| |
| bool ri_allowed(void) |
| { |
| return get_machine_class()->ri_allowed; |
| } |
| |
| bool cpu_model_allowed(void) |
| { |
| return get_machine_class()->cpu_model_allowed; |
| } |
| |
| bool hpage_1m_allowed(void) |
| { |
| return get_machine_class()->hpage_1m_allowed; |
| } |
| |
| static char *machine_get_loadparm(Object *obj, Error **errp) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(obj); |
| |
| /* make a NUL-terminated string */ |
| return g_strndup((char *) ms->loadparm, sizeof(ms->loadparm)); |
| } |
| |
| static void machine_set_loadparm(Object *obj, const char *val, Error **errp) |
| { |
| S390CcwMachineState *ms = S390_CCW_MACHINE(obj); |
| int i; |
| |
| for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { |
| uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ |
| |
| if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || |
| (c == ' ')) { |
| ms->loadparm[i] = c; |
| } else { |
| error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", |
| c, c); |
| return; |
| } |
| } |
| |
| for (; i < sizeof(ms->loadparm); i++) { |
| ms->loadparm[i] = ' '; /* pad right with spaces */ |
| } |
| } |
| static inline void s390_machine_initfn(Object *obj) |
| { |
| object_property_add_bool(obj, "aes-key-wrap", |
| machine_get_aes_key_wrap, |
| machine_set_aes_key_wrap); |
| object_property_set_description(obj, "aes-key-wrap", |
| "enable/disable AES key wrapping using the CPACF wrapping key"); |
| object_property_set_bool(obj, "aes-key-wrap", true, NULL); |
| |
| object_property_add_bool(obj, "dea-key-wrap", |
| machine_get_dea_key_wrap, |
| machine_set_dea_key_wrap); |
| object_property_set_description(obj, "dea-key-wrap", |
| "enable/disable DEA key wrapping using the CPACF wrapping key"); |
| object_property_set_bool(obj, "dea-key-wrap", true, NULL); |
| object_property_add_str(obj, "loadparm", |
| machine_get_loadparm, machine_set_loadparm); |
| object_property_set_description(obj, "loadparm", |
| "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" |
| " to upper case) to pass to machine loader, boot manager," |
| " and guest kernel"); |
| } |
| |
| static const TypeInfo ccw_machine_info = { |
| .name = TYPE_S390_CCW_MACHINE, |
| .parent = TYPE_MACHINE, |
| .abstract = true, |
| .instance_size = sizeof(S390CcwMachineState), |
| .instance_init = s390_machine_initfn, |
| .class_size = sizeof(S390CcwMachineClass), |
| .class_init = ccw_machine_class_init, |
| .interfaces = (InterfaceInfo[]) { |
| { TYPE_NMI }, |
| { TYPE_HOTPLUG_HANDLER}, |
| { } |
| }, |
| }; |
| |
| bool css_migration_enabled(void) |
| { |
| return get_machine_class()->css_migration_enabled; |
| } |
| |
| #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ |
| static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ |
| void *data) \ |
| { \ |
| MachineClass *mc = MACHINE_CLASS(oc); \ |
| ccw_machine_##suffix##_class_options(mc); \ |
| mc->desc = "Virtual s390x machine (version " verstr ")"; \ |
| if (latest) { \ |
| mc->alias = "s390-ccw-virtio"; \ |
| mc->is_default = true; \ |
| } \ |
| } \ |
| static void ccw_machine_##suffix##_instance_init(Object *obj) \ |
| { \ |
| MachineState *machine = MACHINE(obj); \ |
| current_mc = S390_CCW_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ |
| ccw_machine_##suffix##_instance_options(machine); \ |
| } \ |
| static const TypeInfo ccw_machine_##suffix##_info = { \ |
| .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ |
| .parent = TYPE_S390_CCW_MACHINE, \ |
| .class_init = ccw_machine_##suffix##_class_init, \ |
| .instance_init = ccw_machine_##suffix##_instance_init, \ |
| }; \ |
| static void ccw_machine_register_##suffix(void) \ |
| { \ |
| type_register_static(&ccw_machine_##suffix##_info); \ |
| } \ |
| type_init(ccw_machine_register_##suffix) |
| |
| static void ccw_machine_7_1_instance_options(MachineState *machine) |
| { |
| } |
| |
| static void ccw_machine_7_1_class_options(MachineClass *mc) |
| { |
| } |
| DEFINE_CCW_MACHINE(7_1, "7.1", true); |
| |
| static void ccw_machine_7_0_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V7_0 }; |
| |
| ccw_machine_7_1_instance_options(machine); |
| s390_set_qemu_cpu_model(0x8561, 15, 1, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_7_0_class_options(MachineClass *mc) |
| { |
| ccw_machine_7_1_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_7_0, hw_compat_7_0_len); |
| } |
| DEFINE_CCW_MACHINE(7_0, "7.0", false); |
| |
| static void ccw_machine_6_2_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_2 }; |
| |
| ccw_machine_7_0_instance_options(machine); |
| s390_set_qemu_cpu_model(0x3906, 14, 2, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_6_2_class_options(MachineClass *mc) |
| { |
| ccw_machine_7_0_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len); |
| } |
| DEFINE_CCW_MACHINE(6_2, "6.2", false); |
| |
| static void ccw_machine_6_1_instance_options(MachineState *machine) |
| { |
| ccw_machine_6_2_instance_options(machine); |
| s390_cpudef_featoff_greater(16, 1, S390_FEAT_NNPA); |
| s390_cpudef_featoff_greater(16, 1, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2); |
| s390_cpudef_featoff_greater(16, 1, S390_FEAT_BEAR_ENH); |
| s390_cpudef_featoff_greater(16, 1, S390_FEAT_RDP); |
| s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAI); |
| } |
| |
| static void ccw_machine_6_1_class_options(MachineClass *mc) |
| { |
| ccw_machine_6_2_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_6_1, hw_compat_6_1_len); |
| mc->smp_props.prefer_sockets = true; |
| } |
| DEFINE_CCW_MACHINE(6_1, "6.1", false); |
| |
| static void ccw_machine_6_0_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_0 }; |
| |
| ccw_machine_6_1_instance_options(machine); |
| s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_6_0_class_options(MachineClass *mc) |
| { |
| ccw_machine_6_1_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_6_0, hw_compat_6_0_len); |
| } |
| DEFINE_CCW_MACHINE(6_0, "6.0", false); |
| |
| static void ccw_machine_5_2_instance_options(MachineState *machine) |
| { |
| ccw_machine_6_0_instance_options(machine); |
| } |
| |
| static void ccw_machine_5_2_class_options(MachineClass *mc) |
| { |
| ccw_machine_6_0_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_5_2, hw_compat_5_2_len); |
| } |
| DEFINE_CCW_MACHINE(5_2, "5.2", false); |
| |
| static void ccw_machine_5_1_instance_options(MachineState *machine) |
| { |
| ccw_machine_5_2_instance_options(machine); |
| } |
| |
| static void ccw_machine_5_1_class_options(MachineClass *mc) |
| { |
| ccw_machine_5_2_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_5_1, hw_compat_5_1_len); |
| } |
| DEFINE_CCW_MACHINE(5_1, "5.1", false); |
| |
| static void ccw_machine_5_0_instance_options(MachineState *machine) |
| { |
| ccw_machine_5_1_instance_options(machine); |
| } |
| |
| static void ccw_machine_5_0_class_options(MachineClass *mc) |
| { |
| ccw_machine_5_1_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_5_0, hw_compat_5_0_len); |
| } |
| DEFINE_CCW_MACHINE(5_0, "5.0", false); |
| |
| static void ccw_machine_4_2_instance_options(MachineState *machine) |
| { |
| ccw_machine_5_0_instance_options(machine); |
| } |
| |
| static void ccw_machine_4_2_class_options(MachineClass *mc) |
| { |
| ccw_machine_5_0_class_options(mc); |
| mc->fixup_ram_size = s390_fixup_ram_size; |
| compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len); |
| } |
| DEFINE_CCW_MACHINE(4_2, "4.2", false); |
| |
| static void ccw_machine_4_1_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 }; |
| ccw_machine_4_2_instance_options(machine); |
| s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_4_1_class_options(MachineClass *mc) |
| { |
| ccw_machine_4_2_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len); |
| } |
| DEFINE_CCW_MACHINE(4_1, "4.1", false); |
| |
| static void ccw_machine_4_0_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; |
| ccw_machine_4_1_instance_options(machine); |
| s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_4_0_class_options(MachineClass *mc) |
| { |
| ccw_machine_4_1_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); |
| } |
| DEFINE_CCW_MACHINE(4_0, "4.0", false); |
| |
| static void ccw_machine_3_1_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; |
| ccw_machine_4_0_instance_options(machine); |
| s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); |
| s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); |
| s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_3_1_class_options(MachineClass *mc) |
| { |
| ccw_machine_4_0_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); |
| } |
| DEFINE_CCW_MACHINE(3_1, "3.1", false); |
| |
| static void ccw_machine_3_0_instance_options(MachineState *machine) |
| { |
| ccw_machine_3_1_instance_options(machine); |
| } |
| |
| static void ccw_machine_3_0_class_options(MachineClass *mc) |
| { |
| S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); |
| |
| s390mc->hpage_1m_allowed = false; |
| ccw_machine_3_1_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); |
| } |
| DEFINE_CCW_MACHINE(3_0, "3.0", false); |
| |
| static void ccw_machine_2_12_instance_options(MachineState *machine) |
| { |
| ccw_machine_3_0_instance_options(machine); |
| s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); |
| s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); |
| } |
| |
| static void ccw_machine_2_12_class_options(MachineClass *mc) |
| { |
| ccw_machine_3_0_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); |
| } |
| DEFINE_CCW_MACHINE(2_12, "2.12", false); |
| |
| static void ccw_machine_2_11_instance_options(MachineState *machine) |
| { |
| static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; |
| ccw_machine_2_12_instance_options(machine); |
| |
| /* before 2.12 we emulated the very first z900 */ |
| s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); |
| } |
| |
| static void ccw_machine_2_11_class_options(MachineClass *mc) |
| { |
| static GlobalProperty compat[] = { |
| { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, |
| }; |
| |
| ccw_machine_2_12_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); |
| compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
| } |
| DEFINE_CCW_MACHINE(2_11, "2.11", false); |
| |
| static void ccw_machine_2_10_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_11_instance_options(machine); |
| } |
| |
| static void ccw_machine_2_10_class_options(MachineClass *mc) |
| { |
| ccw_machine_2_11_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); |
| } |
| DEFINE_CCW_MACHINE(2_10, "2.10", false); |
| |
| static void ccw_machine_2_9_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_10_instance_options(machine); |
| s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); |
| s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); |
| s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); |
| s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); |
| s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); |
| } |
| |
| static void ccw_machine_2_9_class_options(MachineClass *mc) |
| { |
| S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); |
| static GlobalProperty compat[] = { |
| { TYPE_S390_STATTRIB, "migration-enabled", "off", }, |
| }; |
| |
| ccw_machine_2_10_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); |
| compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
| s390mc->css_migration_enabled = false; |
| } |
| DEFINE_CCW_MACHINE(2_9, "2.9", false); |
| |
| static void ccw_machine_2_8_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_9_instance_options(machine); |
| } |
| |
| static void ccw_machine_2_8_class_options(MachineClass *mc) |
| { |
| static GlobalProperty compat[] = { |
| { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, |
| }; |
| |
| ccw_machine_2_9_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); |
| compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
| } |
| DEFINE_CCW_MACHINE(2_8, "2.8", false); |
| |
| static void ccw_machine_2_7_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_8_instance_options(machine); |
| } |
| |
| static void ccw_machine_2_7_class_options(MachineClass *mc) |
| { |
| S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); |
| |
| s390mc->cpu_model_allowed = false; |
| ccw_machine_2_8_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); |
| } |
| DEFINE_CCW_MACHINE(2_7, "2.7", false); |
| |
| static void ccw_machine_2_6_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_7_instance_options(machine); |
| } |
| |
| static void ccw_machine_2_6_class_options(MachineClass *mc) |
| { |
| S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); |
| static GlobalProperty compat[] = { |
| { TYPE_S390_IPL, "iplbext_migration", "off", }, |
| { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, |
| }; |
| |
| s390mc->ri_allowed = false; |
| ccw_machine_2_7_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); |
| compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
| } |
| DEFINE_CCW_MACHINE(2_6, "2.6", false); |
| |
| static void ccw_machine_2_5_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_6_instance_options(machine); |
| } |
| |
| static void ccw_machine_2_5_class_options(MachineClass *mc) |
| { |
| ccw_machine_2_6_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); |
| } |
| DEFINE_CCW_MACHINE(2_5, "2.5", false); |
| |
| static void ccw_machine_2_4_instance_options(MachineState *machine) |
| { |
| ccw_machine_2_5_instance_options(machine); |
| } |
| |
| static void ccw_machine_2_4_class_options(MachineClass *mc) |
| { |
| static GlobalProperty compat[] = { |
| { TYPE_S390_SKEYS, "migration-enabled", "off", }, |
| { "virtio-blk-ccw", "max_revision", "0", }, |
| { "virtio-balloon-ccw", "max_revision", "0", }, |
| { "virtio-serial-ccw", "max_revision", "0", }, |
| { "virtio-9p-ccw", "max_revision", "0", }, |
| { "virtio-rng-ccw", "max_revision", "0", }, |
| { "virtio-net-ccw", "max_revision", "0", }, |
| { "virtio-scsi-ccw", "max_revision", "0", }, |
| { "vhost-scsi-ccw", "max_revision", "0", }, |
| }; |
| |
| ccw_machine_2_5_class_options(mc); |
| compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); |
| compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
| } |
| DEFINE_CCW_MACHINE(2_4, "2.4", false); |
| |
| static void ccw_machine_register_types(void) |
| { |
| type_register_static(&ccw_machine_info); |
| } |
| |
| type_init(ccw_machine_register_types) |