/* * virtio ccw machine * * Copyright 2012, 2020 IBM Corp. * Copyright (c) 2009 Alexander Graf * Author(s): Cornelia Huck * Janosch Frank * * 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 "exec/confidential-guest-support.h" #include "hw/boards.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 "sysemu/cpus.h" #include "target/s390x/kvm/pv.h" #include "migration/blocker.h" #include "qapi/visitor.h" #include "hw/s390x/cpu-topology.h" #include CONFIG_DEVICES static Error *pv_mig_blocker; 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); S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); int i; if (machine->smp.threads > s390mc->max_threads) { error_report("S390 does not support more than %d threads.", s390mc->max_threads); exit(1); } /* 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, TYPE_AP_BRIDGE, }; static void subsystem_reset(void) { DeviceState *dev; int i; /* * ISM firmware is sensitive to unexpected changes to the IOMMU, which can * occur during reset of the vfio-pci device (unmap of entire aperture). * Ensure any passthrough ISM devices are reset now, while CPUs are paused * but before vfio-pci cleanup occurs. */ s390_pci_ism_reset(); for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); if (dev) { device_cold_reset(dev); } } if (s390_has_topology()) { s390_topology_reset(); } } static int virtio_ccw_hcall_notify(const uint64_t *args) { uint64_t subch_id = args[0]; uint64_t data = args[1]; SubchDev *sch; VirtIODevice *vdev; int cssid, ssid, schid, m; uint16_t vq_idx = data; 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; } vdev = virtio_ccw_get_vdev(sch); if (vq_idx >= VIRTIO_QUEUE_MAX || !virtio_queue_get_num(vdev, vq_idx)) { return -EINVAL; } if (virtio_vdev_has_feature(vdev, VIRTIO_F_NOTIFICATION_DATA)) { virtio_queue_set_shadow_avail_idx(virtio_get_queue(vdev, vq_idx), (data >> 16) & 0xFFFF); } virtio_queue_notify(vdev, vq_idx); 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) { DeviceState *dev; int cnt = 0; while ((dev = qemu_create_nic_device(name, true, "virtio"))) { g_autofree char *childname = g_strdup_printf("%s[%d]", name, cnt++); object_property_add_child(OBJECT(bus), childname, OBJECT(dev)); qdev_realize_and_unref(dev, bus, &error_fatal); } } static void s390_create_sclpconsole(SCLPDevice *sclp, const char *type, Chardev *chardev) { SCLPEventFacility *ef = sclp->event_facility; BusState *ev_fac_bus = sclp_get_event_facility_bus(ef); DeviceState *dev; dev = qdev_new(type); object_property_add_child(OBJECT(ef), type, OBJECT(dev)); qdev_prop_set_chr(dev, "chardev", chardev); qdev_realize_and_unref(dev, ev_fac_bus, &error_fatal); } static void ccw_init(MachineState *machine) { MachineClass *mc = MACHINE_GET_CLASS(machine); S390CcwMachineState *ms = S390_CCW_MACHINE(machine); int ret; VirtualCssBus *css_bus; DeviceState *dev; ms->sclp = SCLP(object_new(TYPE_SCLP)); object_property_add_child(OBJECT(machine), TYPE_SCLP, OBJECT(ms->sclp)); qdev_realize_and_unref(DEVICE(ms->sclp), NULL, &error_fatal); /* 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 */ if (machine->cgs) { confidential_guest_kvm_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); css_register_vmstate(); /* Create VirtIO network adapters */ s390_create_virtio_net(BUS(css_bus), mc->default_nic); /* init consoles */ if (serial_hd(0)) { s390_create_sclpconsole(ms->sclp, "sclpconsole", serial_hd(0)); } if (serial_hd(1)) { s390_create_sclpconsole(ms->sclp, "sclplmconsole", serial_hd(1)); } /* init the TOD clock */ s390_init_tod(); } static void s390_cpu_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { ERRP_GUARD(); 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 = CPU(dev); if (s390_has_topology()) { s390_topology_setup_cpu(ms, cpu, errp); if (*errp) { return; } } 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) { if (!s390_pv_vm_try_disable_async(ms)) { s390_pv_vm_disable(); } ms->pv = false; migrate_del_blocker(&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 migratable."); rc = migrate_add_blocker(&pv_mig_blocker, &local_err); if (rc) { ram_block_discard_disable(false); error_report_err(local_err); return rc; } /* Create SE VM */ rc = s390_pv_vm_enable(); if (rc) { ram_block_discard_disable(false); migrate_del_blocker(&pv_mig_blocker); return rc; } ms->pv = true; /* Will return 0 if API is not available since it's not vital */ rc = s390_pv_query_info(); if (rc) { goto out_err; } /* Set SE header and unpack */ rc = s390_ipl_prepare_pv_header(&local_err); 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: if (local_err) { error_report_err(local_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, ShutdownCause reason) { 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: /* * Reset the subsystem which includes a AP reset. If a PV * guest had APQNs attached the AP reset is a prerequisite to * unprotecting since the UV checks if all APQNs are reset. */ subsystem_reset(); if (s390_is_pv()) { s390_machine_unprotect(ms); } /* * Device reset includes CPU clear resets so this has to be * done AFTER the unprotect call above. */ qemu_devices_reset(reason); 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: /* * Subsystem 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: /* * Subsystem 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++) { CpuInstanceProperties *props = &ms->possible_cpus->cpus[i].props; 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; props->has_core_id = true; props->core_id = i; props->has_socket_id = true; props->socket_id = s390_std_socket(i, &ms->smp); props->has_book_id = true; props->book_id = s390_std_book(i, &ms->smp); props->has_drawer_id = true; props->drawer_id = s390_std_drawer(i, &ms->smp); } 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 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 void machine_get_loadparm(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { S390CcwMachineState *ms = S390_CCW_MACHINE(obj); char *str = g_strndup((char *) ms->loadparm, sizeof(ms->loadparm)); visit_type_str(v, name, &str, errp); g_free(str); } static void machine_set_loadparm(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { S390CcwMachineState *ms = S390_CCW_MACHINE(obj); char *val; int i; if (!visit_type_str(v, name, &val, errp)) { return; } 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 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->hpage_1m_allowed = true; s390mc->max_threads = 1; 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; mc->smp_props.books_supported = true; mc->smp_props.drawers_supported = 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"; mc->default_nic = "virtio-net-ccw"; object_class_property_add_bool(oc, "aes-key-wrap", machine_get_aes_key_wrap, machine_set_aes_key_wrap); object_class_property_set_description(oc, "aes-key-wrap", "enable/disable AES key wrapping using the CPACF wrapping key"); object_class_property_add_bool(oc, "dea-key-wrap", machine_get_dea_key_wrap, machine_set_dea_key_wrap); object_class_property_set_description(oc, "dea-key-wrap", "enable/disable DEA key wrapping using the CPACF wrapping key"); object_class_property_add(oc, "loadparm", "loadparm", machine_get_loadparm, machine_set_loadparm, NULL, NULL); object_class_property_set_description(oc, "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 inline void s390_machine_initfn(Object *obj) { S390CcwMachineState *ms = S390_CCW_MACHINE(obj); ms->aes_key_wrap = true; ms->dea_key_wrap = true; } 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}, { } }, }; #define DEFINE_CCW_MACHINE_IMPL(latest, ...) \ static void MACHINE_VER_SYM(class_init, ccw, __VA_ARGS__)( \ ObjectClass *oc, \ void *data) \ { \ MachineClass *mc = MACHINE_CLASS(oc); \ MACHINE_VER_SYM(class_options, ccw, __VA_ARGS__)(mc); \ mc->desc = "Virtual s390x machine (version " MACHINE_VER_STR(__VA_ARGS__) ")"; \ MACHINE_VER_DEPRECATION(__VA_ARGS__); \ if (latest) { \ mc->alias = "s390-ccw-virtio"; \ mc->is_default = true; \ } \ } \ static void MACHINE_VER_SYM(instance_init, ccw, __VA_ARGS__)(Object *obj) \ { \ MachineState *machine = MACHINE(obj); \ current_mc = S390_CCW_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ MACHINE_VER_SYM(instance_options, ccw, __VA_ARGS__)(machine); \ } \ static const TypeInfo MACHINE_VER_SYM(info, ccw, __VA_ARGS__) = \ { \ .name = MACHINE_VER_TYPE_NAME("s390-ccw-virtio", __VA_ARGS__), \ .parent = TYPE_S390_CCW_MACHINE, \ .class_init = MACHINE_VER_SYM(class_init, ccw, __VA_ARGS__), \ .instance_init = MACHINE_VER_SYM(instance_init, ccw, __VA_ARGS__), \ }; \ static void MACHINE_VER_SYM(register, ccw, __VA_ARGS__)(void) \ { \ MACHINE_VER_DELETION(__VA_ARGS__); \ type_register_static(&MACHINE_VER_SYM(info, ccw, __VA_ARGS__)); \ } \ type_init(MACHINE_VER_SYM(register, ccw, __VA_ARGS__)) #define DEFINE_CCW_MACHINE_AS_LATEST(major, minor) \ DEFINE_CCW_MACHINE_IMPL(true, major, minor) #define DEFINE_CCW_MACHINE(major, minor) \ DEFINE_CCW_MACHINE_IMPL(false, major, minor) static void ccw_machine_9_2_instance_options(MachineState *machine) { } static void ccw_machine_9_2_class_options(MachineClass *mc) { } DEFINE_CCW_MACHINE_AS_LATEST(9, 2); static void ccw_machine_9_1_instance_options(MachineState *machine) { ccw_machine_9_2_instance_options(machine); } static void ccw_machine_9_1_class_options(MachineClass *mc) { ccw_machine_9_2_class_options(mc); compat_props_add(mc->compat_props, hw_compat_9_1, hw_compat_9_1_len); } DEFINE_CCW_MACHINE(9, 1); static void ccw_machine_9_0_instance_options(MachineState *machine) { ccw_machine_9_1_instance_options(machine); } static void ccw_machine_9_0_class_options(MachineClass *mc) { static GlobalProperty compat[] = { { TYPE_QEMU_S390_FLIC, "migrate-all-state", "off", }, }; ccw_machine_9_1_class_options(mc); compat_props_add(mc->compat_props, hw_compat_9_0, hw_compat_9_0_len); compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); } DEFINE_CCW_MACHINE(9, 0); static void ccw_machine_8_2_instance_options(MachineState *machine) { ccw_machine_9_0_instance_options(machine); } static void ccw_machine_8_2_class_options(MachineClass *mc) { ccw_machine_9_0_class_options(mc); compat_props_add(mc->compat_props, hw_compat_8_2, hw_compat_8_2_len); } DEFINE_CCW_MACHINE(8, 2); static void ccw_machine_8_1_instance_options(MachineState *machine) { ccw_machine_8_2_instance_options(machine); } static void ccw_machine_8_1_class_options(MachineClass *mc) { ccw_machine_8_2_class_options(mc); compat_props_add(mc->compat_props, hw_compat_8_1, hw_compat_8_1_len); mc->smp_props.drawers_supported = false; mc->smp_props.books_supported = false; } DEFINE_CCW_MACHINE(8, 1); static void ccw_machine_8_0_instance_options(MachineState *machine) { ccw_machine_8_1_instance_options(machine); } static void ccw_machine_8_0_class_options(MachineClass *mc) { ccw_machine_8_1_class_options(mc); compat_props_add(mc->compat_props, hw_compat_8_0, hw_compat_8_0_len); } DEFINE_CCW_MACHINE(8, 0); static void ccw_machine_7_2_instance_options(MachineState *machine) { ccw_machine_8_0_instance_options(machine); } static void ccw_machine_7_2_class_options(MachineClass *mc) { ccw_machine_8_0_class_options(mc); compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len); } DEFINE_CCW_MACHINE(7, 2); static void ccw_machine_7_1_instance_options(MachineState *machine) { static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V7_1 }; ccw_machine_7_2_instance_options(machine); s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAIE); s390_set_qemu_cpu_model(0x8561, 15, 1, qemu_cpu_feat); } static void ccw_machine_7_1_class_options(MachineClass *mc) { S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); static GlobalProperty compat[] = { { TYPE_S390_PCI_DEVICE, "interpret", "off", }, { TYPE_S390_PCI_DEVICE, "forwarding-assist", "off", }, }; ccw_machine_7_2_class_options(mc); compat_props_add(mc->compat_props, hw_compat_7_1, hw_compat_7_1_len); compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); s390mc->max_threads = S390_MAX_CPUS; } DEFINE_CCW_MACHINE(7, 1); 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); 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); 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); 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); 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); 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); 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); 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); 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); 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); 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); 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); 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); #ifdef CONFIG_S390X_LEGACY_CPUS 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); 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); 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) { static GlobalProperty compat[] = { { TYPE_S390_STATTRIB, "migration-enabled", "off", }, { TYPE_S390_FLIC_COMMON, "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)); css_migration_enabled = false; } DEFINE_CCW_MACHINE(2, 9); 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); 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); 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); 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); 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); #endif static void ccw_machine_register_types(void) { type_register_static(&ccw_machine_info); } type_init(ccw_machine_register_types)