@@ -1,4 +1,3 @@
-obj-y += s390-virtio.o
obj-y += s390-virtio-hcall.o
obj-y += sclp.o
obj-y += event-facility.o
@@ -2,6 +2,7 @@
* virtio ccw machine
*
* Copyright 2012 IBM Corp.
+ * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
@@ -31,6 +32,46 @@
#include "hw/s390x/css-bridge.h"
#include "migration/register.h"
#include "cpu_models.h"
+#include "qapi/qmp/qerror.h"
+#include "hw/nmi.h"
+
+static S390CPU **cpu_states;
+
+S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
+{
+ if (cpu_addr >= max_cpus) {
+ return NULL;
+ }
+
+ /* Fast lookup via CPU ID */
+ return cpu_states[cpu_addr];
+}
+
+static void s390_init_cpus(MachineState *machine)
+{
+ int i;
+ gchar *name;
+
+ if (machine->cpu_model == NULL) {
+ machine->cpu_model = s390_default_cpu_model_name();
+ }
+
+ cpu_states = g_new0(S390CPU *, max_cpus);
+
+ for (i = 0; i < max_cpus; i++) {
+ name = g_strdup_printf("cpu[%i]", i);
+ object_property_add_link(OBJECT(machine), name, TYPE_S390_CPU,
+ (Object **) &cpu_states[i],
+ object_property_allow_set_link,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+ g_free(name);
+ }
+
+ for (i = 0; i < smp_cpus; i++) {
+ s390x_new_cpu(machine->cpu_model, i, &error_fatal);
+ }
+}
static const char *const reset_dev_types[] = {
TYPE_VIRTUAL_CSS_BRIDGE,
@@ -94,7 +135,7 @@ static void virtio_ccw_register_hcalls(void)
virtio_ccw_hcall_early_printk);
}
-void s390_memory_init(ram_addr_t mem_size)
+static void s390_memory_init(ram_addr_t mem_size)
{
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
@@ -109,11 +150,103 @@ void s390_memory_init(ram_addr_t mem_size)
s390_stattrib_init();
}
+#define S390_TOD_CLOCK_VALUE_MISSING 0x00
+#define S390_TOD_CLOCK_VALUE_PRESENT 0x01
+
+static void gtod_save(QEMUFile *f, void *opaque)
+{
+ uint64_t tod_low;
+ uint8_t tod_high;
+ int r;
+
+ r = s390_get_clock(&tod_high, &tod_low);
+ if (r) {
+ fprintf(stderr, "WARNING: Unable to get guest clock for migration. "
+ "Error code %d. Guest clock will not be migrated "
+ "which could cause the guest to hang.\n", r);
+ qemu_put_byte(f, S390_TOD_CLOCK_VALUE_MISSING);
+ return;
+ }
+
+ qemu_put_byte(f, S390_TOD_CLOCK_VALUE_PRESENT);
+ qemu_put_byte(f, tod_high);
+ qemu_put_be64(f, tod_low);
+}
+
+static int gtod_load(QEMUFile *f, void *opaque, int version_id)
+{
+ uint64_t tod_low;
+ uint8_t tod_high;
+ int r;
+
+ if (qemu_get_byte(f) == S390_TOD_CLOCK_VALUE_MISSING) {
+ fprintf(stderr, "WARNING: Guest clock was not migrated. This could "
+ "cause the guest to hang.\n");
+ return 0;
+ }
+
+ tod_high = qemu_get_byte(f);
+ tod_low = qemu_get_be64(f);
+
+ r = s390_set_clock(&tod_high, &tod_low);
+ if (r) {
+ fprintf(stderr, "WARNING: Unable to set guest clock value. "
+ "s390_get_clock returned error %d. This could cause "
+ "the guest to hang.\n", r);
+ }
+
+ return 0;
+}
+
static SaveVMHandlers savevm_gtod = {
.save_state = gtod_save,
.load_state = gtod_load,
};
+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);
+
+ 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_string(dev, "netboot_fw", netboot_fw);
+ qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
+ 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 ccw_init(MachineState *machine)
{
int ret;
@@ -177,6 +310,19 @@ static void s390_cpu_plug(HotplugHandler *hotplug_dev,
g_free(name);
}
+static void s390_machine_reset(void)
+{
+ S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
+
+ s390_cmma_reset();
+ qemu_devices_reset();
+ s390_crypto_reset();
+
+ /* all cpus are stopped - configure and start the ipl cpu only */
+ s390_ipl_prepare_cpu(ipl_cpu);
+ s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu);
+}
+
static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
@@ -201,6 +347,15 @@ static void s390_hot_add_cpu(const int64_t id, Error **errp)
s390x_new_cpu(machine->cpu_model, id, errp);
}
+static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
+{
+ CPUState *cs = qemu_get_cpu(cpu_index);
+
+ if (s390_cpu_restart(S390_CPU(cs))) {
+ error_setg(errp, QERR_UNSUPPORTED);
+ }
+}
+
static void ccw_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -48,17 +48,6 @@
#define S390_TOD_CLOCK_VALUE_MISSING 0x00
#define S390_TOD_CLOCK_VALUE_PRESENT 0x01
-static S390CPU **cpu_states;
-
-S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
-{
- if (cpu_addr >= max_cpus) {
- return NULL;
- }
-
- /* Fast lookup via CPU ID */
- return cpu_states[cpu_addr];
-}
void s390_init_ipl_dev(const char *kernel_filename,
const char *kernel_cmdline,
@@ -86,32 +75,6 @@ void s390_init_ipl_dev(const char *kernel_filename,
qdev_init_nofail(dev);
}
-void s390_init_cpus(MachineState *machine)
-{
- int i;
- gchar *name;
-
- if (machine->cpu_model == NULL) {
- machine->cpu_model = s390_default_cpu_model_name();
- }
-
- cpu_states = g_new0(S390CPU *, max_cpus);
-
- for (i = 0; i < max_cpus; i++) {
- name = g_strdup_printf("cpu[%i]", i);
- object_property_add_link(OBJECT(machine), name, TYPE_S390_CPU,
- (Object **) &cpu_states[i],
- object_property_allow_set_link,
- OBJ_PROP_LINK_UNREF_ON_RELEASE,
- &error_abort);
- g_free(name);
- }
-
- for (i = 0; i < smp_cpus; i++) {
- s390x_new_cpu(machine->cpu_model, i, &error_fatal);
- }
-}
-
void s390_create_virtio_net(BusState *bus, const char *name)
{
@@ -12,24 +12,9 @@
#ifndef HW_S390_VIRTIO_H
#define HW_S390_VIRTIO_H
-#include "hw/nmi.h"
#include "standard-headers/asm-s390/kvm_virtio.h"
#include "standard-headers/asm-s390/virtio-ccw.h"
typedef int (*s390_virtio_fn)(const uint64_t *args);
void s390_register_virtio_hypercall(uint64_t code, s390_virtio_fn fn);
-
-void s390_init_cpus(MachineState *machine);
-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);
-void s390_create_virtio_net(BusState *bus, const char *name);
-void s390_nmi(NMIState *n, int cpu_index, Error **errp);
-void s390_machine_reset(void);
-void s390_memory_init(ram_addr_t mem_size);
-void gtod_save(QEMUFile *f, void *opaque);
-int gtod_load(QEMUFile *f, void *opaque, int version_id);
#endif