diff options
Diffstat (limited to 'qemu/hw/s390x/s390-virtio-ccw.c')
| -rw-r--r-- | qemu/hw/s390x/s390-virtio-ccw.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/qemu/hw/s390x/s390-virtio-ccw.c b/qemu/hw/s390x/s390-virtio-ccw.c deleted file mode 100644 index e3df9c78b..000000000 --- a/qemu/hw/s390x/s390-virtio-ccw.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * virtio ccw machine - * - * Copyright 2012 IBM Corp. - * Author(s): Cornelia Huck <cornelia.huck@de.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 "qemu-common.h" -#include "cpu.h" -#include "hw/boards.h" -#include "exec/address-spaces.h" -#include "s390-virtio.h" -#include "hw/s390x/sclp.h" -#include "hw/s390x/s390_flic.h" -#include "ioinst.h" -#include "css.h" -#include "virtio-ccw.h" -#include "qemu/config-file.h" -#include "s390-pci-bus.h" -#include "hw/s390x/storage-keys.h" -#include "hw/compat.h" -#include "hw/s390x/s390-virtio-ccw.h" - -static const char *const reset_dev_types[] = { - "virtual-css-bridge", - "s390-sclp-event-facility", - "s390-flic", - "diag288", -}; - -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_CCW_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); -} - -void s390_memory_init(ram_addr_t mem_size) -{ - MemoryRegion *sysmem = get_system_memory(); - MemoryRegion *ram = g_new(MemoryRegion, 1); - - /* allocate RAM for core */ - memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size); - memory_region_add_subregion(sysmem, 0, ram); - - /* Initialize storage key device */ - s390_skeys_init(); -} - -static void ccw_init(MachineState *machine) -{ - int ret; - VirtualCssBus *css_bus; - DeviceState *dev; - - s390_sclp_init(); - s390_memory_init(machine->ram_size); - - /* 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", true); - s390_flic_init(); - - 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(); - - /* init CPUs */ - s390_init_cpus(machine); - - if (kvm_enabled()) { - kvm_s390_enable_css_support(s390_cpu_addr2state(0)); - } - /* - * Create virtual css and set it as default so that non mcss-e - * enabled guests only see virtio devices. - */ - ret = css_create_css_image(VIRTUAL_CSSID, true); - assert(ret == 0); - - /* Create VirtIO network adapters */ - s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); - - /* Register savevm handler for guest TOD clock */ - register_savevm(NULL, "todclock", 0, 1, - gtod_save, gtod_load, kvm_state); -} - -static void s390_cpu_plug(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - gchar *name; - S390CPU *cpu = S390_CPU(dev); - CPUState *cs = CPU(dev); - - name = g_strdup_printf("cpu[%i]", cpu->env.cpu_num); - object_property_set_link(OBJECT(hotplug_dev), OBJECT(cs), name, - errp); - g_free(name); -} - -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 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(const int64_t id, Error **errp) -{ - MachineState *machine = MACHINE(qdev_get_machine()); - Error *err = NULL; - - s390x_new_cpu(machine->cpu_model, id, &err); - error_propagate(errp, err); -} - -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); - - 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_serial = 1; - mc->no_parallel = 1; - mc->no_sdcard = 1; - mc->use_sclp = 1; - mc->max_cpus = 255; - mc->get_hotplug_handler = s390_get_hotplug_handler; - hc->plug = s390_machine_device_plug; - nc->nmi_monitor_handler = s390_nmi; -} - -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 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", - NULL); - 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", - NULL); - object_property_set_bool(obj, true, "dea-key-wrap", NULL); -} - -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_init = ccw_machine_class_init, - .interfaces = (InterfaceInfo[]) { - { TYPE_NMI }, - { TYPE_HOTPLUG_HANDLER}, - { } - }, -}; - -#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 = 1; \ - } \ - } \ - static void ccw_machine_##suffix##_instance_init(Object *obj) \ - { \ - MachineState *machine = MACHINE(obj); \ - 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) - -#define CCW_COMPAT_2_5 \ - HW_COMPAT_2_5 - -#define CCW_COMPAT_2_4 \ - CCW_COMPAT_2_5 \ - HW_COMPAT_2_4 \ - {\ - .driver = TYPE_S390_SKEYS,\ - .property = "migration-enabled",\ - .value = "off",\ - },{\ - .driver = "virtio-blk-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "virtio-balloon-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "virtio-serial-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "virtio-9p-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "virtio-rng-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "virtio-net-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "virtio-scsi-ccw",\ - .property = "max_revision",\ - .value = "0",\ - },{\ - .driver = "vhost-scsi-ccw",\ - .property = "max_revision",\ - .value = "0",\ - }, - -static void ccw_machine_2_6_instance_options(MachineState *machine) -{ -} - -static void ccw_machine_2_6_class_options(MachineClass *mc) -{ -} -DEFINE_CCW_MACHINE(2_6, "2.6", true); - -static void ccw_machine_2_5_instance_options(MachineState *machine) -{ -} - -static void ccw_machine_2_5_class_options(MachineClass *mc) -{ - SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5); -} -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) -{ - SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4); -} -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) |