kvm: Move kvmclock into hw/kvm folder

More KVM-specific devices will come, so let's start with moving the
kvmclock into a dedicated folder.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

1 files changed, 0 insertions, 120 deletions

diff --git a/hw/kvmclock.c b/hw/kvmclock.c
deleted file mode 100644
index 3b9fb20495..0000000000
--- a/hw/kvmclock.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * QEMU KVM support, paravirtual clock device
- *
- * Copyright (C) 2011 Siemens AG
- *
- * Authors:
- *  Jan Kiszka        <jan.kiszka@siemens.com>
- *
- * This work is licensed under the terms of the GNU GPL version 2.
- * See the COPYING file in the top-level directory.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "qemu-common.h"
-#include "sysemu.h"
-#include "sysbus.h"
-#include "kvm.h"
-#include "kvmclock.h"
-
-#include <linux/kvm.h>
-#include <linux/kvm_para.h>
-
-typedef struct KVMClockState {
-    SysBusDevice busdev;
-    uint64_t clock;
-    bool clock_valid;
-} KVMClockState;
-
-static void kvmclock_pre_save(void *opaque)
-{
-    KVMClockState *s = opaque;
-    struct kvm_clock_data data;
-    int ret;
-
-    if (s->clock_valid) {
-        return;
-    }
-    ret = kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, &data);
-    if (ret < 0) {
-        fprintf(stderr, "KVM_GET_CLOCK failed: %s\n", strerror(ret));
-        data.clock = 0;
-    }
-    s->clock = data.clock;
-    /*
-     * If the VM is stopped, declare the clock state valid to avoid re-reading
-     * it on next vmsave (which would return a different value). Will be reset
-     * when the VM is continued.
-     */
-    s->clock_valid = !runstate_is_running();
-}
-
-static int kvmclock_post_load(void *opaque, int version_id)
-{
-    KVMClockState *s = opaque;
-    struct kvm_clock_data data;
-
-    data.clock = s->clock;
-    data.flags = 0;
-    return kvm_vm_ioctl(kvm_state, KVM_SET_CLOCK, &data);
-}
-
-static void kvmclock_vm_state_change(void *opaque, int running,
-                                     RunState state)
-{
-    KVMClockState *s = opaque;
-
-    if (running) {
-        s->clock_valid = false;
-    }
-}
-
-static int kvmclock_init(SysBusDevice *dev)
-{
-    KVMClockState *s = FROM_SYSBUS(KVMClockState, dev);
-
-    qemu_add_vm_change_state_handler(kvmclock_vm_state_change, s);
-    return 0;
-}
-
-static const VMStateDescription kvmclock_vmsd = {
-    .name = "kvmclock",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .pre_save = kvmclock_pre_save,
-    .post_load = kvmclock_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT64(clock, KVMClockState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static SysBusDeviceInfo kvmclock_info = {
-    .qdev.name = "kvmclock",
-    .qdev.size = sizeof(KVMClockState),
-    .qdev.vmsd = &kvmclock_vmsd,
-    .qdev.no_user = 1,
-    .init = kvmclock_init,
-};
-
-/* Note: Must be called after VCPU initialization. */
-void kvmclock_create(void)
-{
-    if (kvm_enabled() &&
-        first_cpu->cpuid_kvm_features & ((1ULL << KVM_FEATURE_CLOCKSOURCE) |
-                                         (1ULL << KVM_FEATURE_CLOCKSOURCE2))) {
-        sysbus_create_simple("kvmclock", -1, NULL);
-    }
-}
-
-static void kvmclock_register_device(void)
-{
-    if (kvm_enabled()) {
-        sysbus_register_withprop(&kvmclock_info);
-    }
-}
-
-device_init(kvmclock_register_device);