/* * 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 "cpu.h" #include "hw/boards.h" #include "exec/address-spaces.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 "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/balloon.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)); Error *err = NULL; object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); if (err != NULL) { goto out; } object_property_set_bool(OBJECT(cpu), true, "realized", &err); out: object_unref(OBJECT(cpu)); if (err) { error_propagate(errp, err); cpu = NULL; } return cpu; } 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", }; 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]; if (mem < 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(); Error *local_err = NULL; /* 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(), &local_err); if (local_err) { error_report_err(local_err); exit(EXIT_FAILURE); } /* 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, NULL); object_unref(new); qdev_init_nofail(dev); } 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_create(bus, name); qdev_set_nic_properties(dev, nd); qdev_init_nofail(dev); } } static void s390_create_sclpconsole(const char *type, Chardev *chardev) { DeviceState *dev; dev = qdev_create(sclp_get_event_facility_bus(), type); qdev_prop_set_chr(dev, "chardev", chardev); qdev_init_nofail(dev); } 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); 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, "s390-ccw.img", "s390-netboot.img", true); dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, OBJECT(dev), NULL); qdev_init_nofail(dev); /* 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); qemu_balloon_inhibit(false); } static int s390_machine_protect(S390CcwMachineState *ms) { Error *local_err = NULL; int rc; /* * Ballooning on protected VMs needs support in the guest for * sharing and unsharing balloon pages. Block ballooning for * now, until we have a solution to make at least Linux guests * either support it or fail gracefully. */ qemu_balloon_inhibit(true); error_setg(&pv_mig_blocker, "protected VMs are currently not migrateable."); rc = migrate_add_blocker(pv_mig_blocker, &local_err); if (rc) { qemu_balloon_inhibit(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) { qemu_balloon_inhibit(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_perf_clear_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(); } 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_hot_add_cpu(MachineState *machine, const int64_t id, Error **errp) { ObjectClass *oc; g_assert(machine->possible_cpus->cpus[0].cpu); oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); s390x_new_cpu(object_class_get_name(oc), id, errp); } 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_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->hot_add_cpu = s390_hot_add_cpu; 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_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); return g_memdup(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, NULL); object_property_set_description(obj, "aes-key-wrap", "enable/disable AES key wrapping using the CPACF wrapping key"); object_property_set_bool(obj, true, "aes-key-wrap", NULL); object_property_add_bool(obj, "dea-key-wrap", machine_get_dea_key_wrap, machine_set_dea_key_wrap, NULL); object_property_set_description(obj, "dea-key-wrap", "enable/disable DEA key wrapping using the CPACF wrapping key"); object_property_set_bool(obj, true, "dea-key-wrap", NULL); object_property_add_str(obj, "loadparm", machine_get_loadparm, machine_set_loadparm, NULL); 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 = "VirtIO-ccw based S390 machine v" 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_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_5_1_instance_options(MachineState *machine) { } static void ccw_machine_5_1_class_options(MachineClass *mc) { } DEFINE_CCW_MACHINE(5_1, "5.1", true); 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_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_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_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_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)