Rename it to be consistent with S390_CCW_MACHINE and TYPE_S390_CCW_MACHINE. This will make future conversion to OBJECT_DECLARE* easier. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Tested-By: Roman Bolshakov <r.bolshakov@yadro.com> Message-Id: <20200825192110.3528606-49-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
1075 lines
33 KiB
C
1075 lines
33 KiB
C
/*
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* virtio ccw machine
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*
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* Copyright 2012, 2020 IBM Corp.
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* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
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* Janosch Frank <frankja@linux.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "cpu.h"
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#include "hw/boards.h"
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#include "exec/address-spaces.h"
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#include "exec/ram_addr.h"
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#include "hw/s390x/s390-virtio-hcall.h"
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#include "hw/s390x/sclp.h"
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#include "hw/s390x/s390_flic.h"
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#include "hw/s390x/ioinst.h"
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#include "hw/s390x/css.h"
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#include "virtio-ccw.h"
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#include "qemu/config-file.h"
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#include "qemu/ctype.h"
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#include "qemu/error-report.h"
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#include "qemu/option.h"
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#include "qemu/qemu-print.h"
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#include "s390-pci-bus.h"
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#include "sysemu/reset.h"
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#include "hw/s390x/storage-keys.h"
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#include "hw/s390x/storage-attributes.h"
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#include "hw/s390x/event-facility.h"
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#include "ipl.h"
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#include "hw/s390x/s390-virtio-ccw.h"
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#include "hw/s390x/css-bridge.h"
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#include "hw/s390x/ap-bridge.h"
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#include "migration/register.h"
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#include "cpu_models.h"
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#include "hw/nmi.h"
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#include "hw/qdev-properties.h"
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#include "hw/s390x/tod.h"
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#include "sysemu/sysemu.h"
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#include "hw/s390x/pv.h"
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#include "migration/blocker.h"
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static Error *pv_mig_blocker;
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S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
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{
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static MachineState *ms;
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if (!ms) {
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ms = MACHINE(qdev_get_machine());
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g_assert(ms->possible_cpus);
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}
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/* CPU address corresponds to the core_id and the index */
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if (cpu_addr >= ms->possible_cpus->len) {
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return NULL;
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}
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return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
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}
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static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
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Error **errp)
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{
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S390CPU *cpu = S390_CPU(object_new(typename));
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S390CPU *ret = NULL;
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if (!object_property_set_int(OBJECT(cpu), "core-id", core_id, errp)) {
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goto out;
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}
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if (!qdev_realize(DEVICE(cpu), NULL, errp)) {
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goto out;
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}
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ret = cpu;
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out:
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object_unref(OBJECT(cpu));
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return ret;
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}
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static void s390_init_cpus(MachineState *machine)
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{
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MachineClass *mc = MACHINE_GET_CLASS(machine);
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int i;
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/* initialize possible_cpus */
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mc->possible_cpu_arch_ids(machine);
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for (i = 0; i < machine->smp.cpus; i++) {
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s390x_new_cpu(machine->cpu_type, i, &error_fatal);
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}
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}
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static const char *const reset_dev_types[] = {
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TYPE_VIRTUAL_CSS_BRIDGE,
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"s390-sclp-event-facility",
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"s390-flic",
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"diag288",
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};
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static void subsystem_reset(void)
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{
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DeviceState *dev;
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int i;
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for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
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dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
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if (dev) {
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qdev_reset_all(dev);
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}
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}
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}
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static int virtio_ccw_hcall_notify(const uint64_t *args)
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{
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uint64_t subch_id = args[0];
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uint64_t queue = args[1];
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SubchDev *sch;
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int cssid, ssid, schid, m;
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if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
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return -EINVAL;
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}
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sch = css_find_subch(m, cssid, ssid, schid);
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if (!sch || !css_subch_visible(sch)) {
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return -EINVAL;
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}
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if (queue >= VIRTIO_QUEUE_MAX) {
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return -EINVAL;
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}
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virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
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return 0;
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}
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static int virtio_ccw_hcall_early_printk(const uint64_t *args)
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{
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uint64_t mem = args[0];
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if (mem < ram_size) {
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/* Early printk */
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return 0;
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}
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return -EINVAL;
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}
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static void virtio_ccw_register_hcalls(void)
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{
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s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
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virtio_ccw_hcall_notify);
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/* Tolerate early printk. */
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s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
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virtio_ccw_hcall_early_printk);
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}
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static void s390_memory_init(MemoryRegion *ram)
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{
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MemoryRegion *sysmem = get_system_memory();
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Error *local_err = NULL;
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/* allocate RAM for core */
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memory_region_add_subregion(sysmem, 0, ram);
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/*
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* Configure the maximum page size. As no memory devices were created
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* yet, this is the page size of initial memory only.
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*/
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s390_set_max_pagesize(qemu_maxrampagesize(), &local_err);
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if (local_err) {
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error_report_err(local_err);
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exit(EXIT_FAILURE);
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}
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/* Initialize storage key device */
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s390_skeys_init();
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/* Initialize storage attributes device */
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s390_stattrib_init();
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}
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static void s390_init_ipl_dev(const char *kernel_filename,
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const char *kernel_cmdline,
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const char *initrd_filename, const char *firmware,
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const char *netboot_fw, bool enforce_bios)
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{
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Object *new = object_new(TYPE_S390_IPL);
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DeviceState *dev = DEVICE(new);
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char *netboot_fw_prop;
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if (kernel_filename) {
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qdev_prop_set_string(dev, "kernel", kernel_filename);
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}
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if (initrd_filename) {
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qdev_prop_set_string(dev, "initrd", initrd_filename);
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}
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qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
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qdev_prop_set_string(dev, "firmware", firmware);
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qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
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netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
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if (!strlen(netboot_fw_prop)) {
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qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
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}
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g_free(netboot_fw_prop);
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object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
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new);
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object_unref(new);
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qdev_realize(dev, NULL, &error_fatal);
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}
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static void s390_create_virtio_net(BusState *bus, const char *name)
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{
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int i;
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for (i = 0; i < nb_nics; i++) {
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NICInfo *nd = &nd_table[i];
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DeviceState *dev;
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if (!nd->model) {
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nd->model = g_strdup("virtio");
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}
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qemu_check_nic_model(nd, "virtio");
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dev = qdev_new(name);
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qdev_set_nic_properties(dev, nd);
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qdev_realize_and_unref(dev, bus, &error_fatal);
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}
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}
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static void s390_create_sclpconsole(const char *type, Chardev *chardev)
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{
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DeviceState *dev;
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dev = qdev_new(type);
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qdev_prop_set_chr(dev, "chardev", chardev);
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qdev_realize_and_unref(dev, sclp_get_event_facility_bus(), &error_fatal);
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}
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static void ccw_init(MachineState *machine)
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{
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int ret;
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VirtualCssBus *css_bus;
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DeviceState *dev;
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s390_sclp_init();
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/* init memory + setup max page size. Required for the CPU model */
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s390_memory_init(machine->ram);
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/* init CPUs (incl. CPU model) early so s390_has_feature() works */
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s390_init_cpus(machine);
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s390_flic_init();
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/* init the SIGP facility */
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s390_init_sigp();
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/* create AP bridge and bus(es) */
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s390_init_ap();
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/* get a BUS */
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css_bus = virtual_css_bus_init();
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s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
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machine->initrd_filename, "s390-ccw.img",
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"s390-netboot.img", true);
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dev = qdev_new(TYPE_S390_PCI_HOST_BRIDGE);
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object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
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OBJECT(dev));
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sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
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/* register hypercalls */
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virtio_ccw_register_hcalls();
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s390_enable_css_support(s390_cpu_addr2state(0));
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ret = css_create_css_image(VIRTUAL_CSSID, true);
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assert(ret == 0);
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if (css_migration_enabled()) {
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css_register_vmstate();
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}
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/* Create VirtIO network adapters */
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s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
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/* init consoles */
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if (serial_hd(0)) {
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s390_create_sclpconsole("sclpconsole", serial_hd(0));
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}
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if (serial_hd(1)) {
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s390_create_sclpconsole("sclplmconsole", serial_hd(1));
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}
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|
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/* init the TOD clock */
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s390_init_tod();
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}
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static void s390_cpu_plug(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp)
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{
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MachineState *ms = MACHINE(hotplug_dev);
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S390CPU *cpu = S390_CPU(dev);
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|
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g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
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ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
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|
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if (dev->hotplugged) {
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raise_irq_cpu_hotplug();
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}
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}
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|
|
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static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
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{
|
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S390CPU *cpu = S390_CPU(cs);
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|
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s390_ipl_prepare_cpu(cpu);
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s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
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}
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static void s390_machine_unprotect(S390CcwMachineState *ms)
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{
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s390_pv_vm_disable();
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ms->pv = false;
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migrate_del_blocker(pv_mig_blocker);
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error_free_or_abort(&pv_mig_blocker);
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ram_block_discard_disable(false);
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}
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static int s390_machine_protect(S390CcwMachineState *ms)
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{
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Error *local_err = NULL;
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int rc;
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|
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/*
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* Discarding of memory in RAM blocks does not work as expected with
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* protected VMs. Sharing and unsharing pages would be required. Disable
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* it for now, until until we have a solution to make at least Linux
|
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* guests either support it (e.g., virtio-balloon) or fail gracefully.
|
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*/
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rc = ram_block_discard_disable(true);
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if (rc) {
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error_report("protected VMs: cannot disable RAM discard");
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return rc;
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}
|
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|
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error_setg(&pv_mig_blocker,
|
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"protected VMs are currently not migrateable.");
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rc = migrate_add_blocker(pv_mig_blocker, &local_err);
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if (rc) {
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ram_block_discard_disable(false);
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error_report_err(local_err);
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error_free_or_abort(&pv_mig_blocker);
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return rc;
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}
|
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|
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/* Create SE VM */
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rc = s390_pv_vm_enable();
|
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if (rc) {
|
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ram_block_discard_disable(false);
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migrate_del_blocker(pv_mig_blocker);
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error_free_or_abort(&pv_mig_blocker);
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return rc;
|
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}
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|
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ms->pv = true;
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|
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/* Set SE header and unpack */
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rc = s390_ipl_prepare_pv_header();
|
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if (rc) {
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goto out_err;
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}
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|
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/* Decrypt image */
|
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rc = s390_ipl_pv_unpack();
|
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if (rc) {
|
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goto out_err;
|
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}
|
|
|
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/* Verify integrity */
|
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rc = s390_pv_verify();
|
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if (rc) {
|
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goto out_err;
|
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}
|
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return rc;
|
|
|
|
out_err:
|
|
s390_machine_unprotect(ms);
|
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return rc;
|
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}
|
|
|
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static void s390_pv_prepare_reset(S390CcwMachineState *ms)
|
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{
|
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CPUState *cs;
|
|
|
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if (!s390_is_pv()) {
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return;
|
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}
|
|
/* Unsharing requires all cpus to be stopped */
|
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CPU_FOREACH(cs) {
|
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s390_cpu_set_state(S390_CPU_STATE_STOPPED, S390_CPU(cs));
|
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}
|
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s390_pv_unshare();
|
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s390_pv_prep_reset();
|
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}
|
|
|
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static void s390_machine_reset(MachineState *machine)
|
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{
|
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S390CcwMachineState *ms = S390_CCW_MACHINE(machine);
|
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enum s390_reset reset_type;
|
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CPUState *cs, *t;
|
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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_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->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_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 = "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_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_5_2_instance_options(MachineState *machine)
|
|
{
|
|
}
|
|
|
|
static void ccw_machine_5_2_class_options(MachineClass *mc)
|
|
{
|
|
}
|
|
DEFINE_CCW_MACHINE(5_2, "5.2", true);
|
|
|
|
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)
|