static int xen_init(MachineState *ms)
{
PCMachineState *pcms = PC_MACHINE(ms);
/* Disable ACPI build because Xen handles it */
pcms->acpi_build_enabled = false;
xen_xc = xc_interface_open(0, 0, 0);
if (xen_xc == NULL) {
xen_pv_printf(NULL, 0, "can't open xen interface\n");
return -1;
}
xen_fmem = xenforeignmemory_open(0, 0);
if (xen_fmem == NULL) {
xen_pv_printf(NULL, 0, "can't open xen fmem interface\n");
xc_interface_close(xen_xc);
return -1;
}
qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
global_state_set_optional();
savevm_skip_configuration();
savevm_skip_section_footers();
return 0;
}
void *virtio_blk_init(PCIBus *bus, BlockDriverState *bs)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
s = (VirtIOBlock *)virtio_init_pci(bus, "virtio-blk",
PCI_VENDOR_ID_REDHAT_QUMRANET,
PCI_DEVICE_ID_VIRTIO_BLOCK,
PCI_VENDOR_ID_REDHAT_QUMRANET,
VIRTIO_ID_BLOCK,
PCI_CLASS_STORAGE_OTHER, 0x00,
sizeof(struct virtio_blk_config), sizeof(VirtIOBlock));
if (!s)
return NULL;
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = bs;
s->rq = NULL;
bs->devfn = s->vdev.pci_dev.devfn;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
bdrv_set_geometry_hint(s->bs, cylinders, heads, secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
register_savevm("virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
return s;
}
VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
sizeof(VirtIOBlock));
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = conf->dinfo->bdrv;
s->conf = conf;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
register_savevm("virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
return &s->vdev;
}
int init_timer_alarm(void)
{
struct qemu_alarm_timer *t = NULL;
int i, err = -1;
for (i = 0; alarm_timers[i].name; i++) {
t = &alarm_timers[i];
err = t->start(t);
if (!err)
break;
}
if (err) {
err = -ENOENT;
goto fail;
}
/* first event is at time 0 */
t->pending = 1;
alarm_timer = t;
qemu_add_vm_change_state_handler(alarm_timer_on_change_state_rearm, t);
return 0;
fail:
return err;
}
static int vmc_initfn(VirtIOSerialDevice *dev)
{
VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);
SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
const char** psubtype = spice_server_char_device_recognized_subtypes();
const char *subtype = NULL;
if (!using_spice) {
return -1;
}
dprintf(svc, 1, "%s\n", __func__);
if (svc->subtype == NULL) {
svc->subtype = strdup("vdagent");
}
for(;*psubtype != NULL; ++psubtype) {
if (strcmp(svc->subtype, *psubtype) == 0) {
subtype = *psubtype;
break;
}
}
if (subtype == NULL) {
fprintf(stderr, "spice-vmc: unsupported subtype\n");
vmc_print_optional_subtypes();
return -1;
}
port->name = qemu_strdup(VMC_GUEST_DEVICE_NAME);
svc->vmstate = qemu_add_vm_change_state_handler
(vmc_change_state_handler, svc);
svc->sin.subtype = svc->subtype;
virtio_serial_open(port);
return 0;
}
static void bmdma_map(PCIDevice *pci_dev, int region_num,
pcibus_t addr, pcibus_t size, int type)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, pci_dev);
int i;
for(i = 0;i < 2; i++) {
BMDMAState *bm = &d->bmdma[i];
d->bus[i].bmdma = bm;
bm->bus = d->bus+i;
qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm);
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm);
register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm);
register_ioport_read(addr, 4, 1, bmdma_readb, bm);
register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm);
register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm);
register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm);
register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm);
register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm);
register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm);
addr += 8;
}
}
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 void virtio_blk_device_realize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIOBlock *s = VIRTIO_BLK(dev);
VirtIOBlkConf *blk = &(s->blk);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
Error *err = NULL;
#endif
static int virtio_blk_id;
if (!blk->conf.bs) {
error_setg(errp, "drive property not set");
return;
}
if (!bdrv_is_inserted(blk->conf.bs)) {
error_setg(errp, "Device needs media, but drive is empty");
return;
}
blkconf_serial(&blk->conf, &blk->serial);
s->original_wce = bdrv_enable_write_cache(blk->conf.bs);
if (blkconf_geometry(&blk->conf, NULL, 65535, 255, 255) < 0) {
error_setg(errp, "Error setting geometry");
return;
}
virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config));
s->bs = blk->conf.bs;
s->conf = &blk->conf;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
s->complete_request = virtio_blk_complete_request;
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
virtio_blk_data_plane_create(vdev, blk, &s->dataplane, &err);
if (err != NULL) {
error_propagate(errp, err);
virtio_cleanup(vdev);
return;
}
s->migration_state_notifier.notify = virtio_blk_migration_state_changed;
add_migration_state_change_notifier(&s->migration_state_notifier);
#endif
s->change = qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
bdrv_set_guest_block_size(s->bs, s->conf->logical_block_size);
bdrv_iostatus_enable(s->bs);
add_boot_device_path(s->conf->bootindex, dev, "/disk@0,0");
}
static int virtio_blk_device_init(VirtIODevice *vdev)
{
DeviceState *qdev = DEVICE(vdev);
VirtIOBlock *s = VIRTIO_BLK(vdev);
VirtIOBlkConf *blk = &(s->blk);
static int virtio_blk_id;
if (!blk->conf.bs) {
error_report("drive property not set");
return -1;
}
if (!bdrv_is_inserted(blk->conf.bs)) {
error_report("Device needs media, but drive is empty");
return -1;
}
blkconf_serial(&blk->conf, &blk->serial);
if (blkconf_geometry(&blk->conf, NULL, 65535, 255, 255) < 0) {
return -1;
}
virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config));
vdev->get_config = virtio_blk_update_config;
vdev->set_config = virtio_blk_set_config;
vdev->get_features = virtio_blk_get_features;
vdev->set_status = virtio_blk_set_status;
vdev->reset = virtio_blk_reset;
s->bs = blk->conf.bs;
s->conf = &blk->conf;
memcpy(&(s->blk), blk, sizeof(struct VirtIOBlkConf));
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
if (!virtio_blk_data_plane_create(vdev, blk, &s->dataplane)) {
virtio_common_cleanup(vdev);
return -1;
}
#endif
s->change = qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
register_savevm(qdev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
bdrv_set_buffer_alignment(s->bs, s->conf->logical_block_size);
bdrv_iostatus_enable(s->bs);
add_boot_device_path(s->conf->bootindex, qdev, "/disk@0,0");
return 0;
}
int xen_init(QEMUMachine *machine)
{
xen_xc = xen_xc_interface_open(0, 0, 0);
if (xen_xc == XC_HANDLER_INITIAL_VALUE) {
xen_be_printf(NULL, 0, "can't open xen interface\n");
return -1;
}
qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
return 0;
}
VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
char **serial)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
DriveInfo *dinfo;
if (!conf->bs) {
error_report("virtio-blk-pci: drive property not set");
return NULL;
}
if (!bdrv_is_inserted(conf->bs)) {
error_report("Device needs media, but drive is empty");
return NULL;
}
if (!*serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = drive_get_by_blockdev(conf->bs);
if (*dinfo->serial) {
*serial = strdup(dinfo->serial);
}
}
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
sizeof(VirtIOBlock));
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = conf->bs;
s->conf = conf;
s->serial = *serial;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
s->qdev = dev;
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_removable(s->bs, 0);
bdrv_set_change_cb(s->bs, virtio_blk_change_cb, s);
s->bs->buffer_alignment = conf->logical_block_size;
add_boot_device_path(conf->bootindex, dev, "/disk@0,0");
return &s->vdev;
}
void qemu_spice_display_init(DisplayState *ds)
{
assert(sdpy.ds == NULL);
qemu_spice_display_init_common(&sdpy, ds);
register_displaychangelistener(ds, &display_listener);
sdpy.qxl.base.sif = &dpy_interface.base;
qemu_spice_add_interface(&sdpy.qxl.base);
assert(sdpy.worker);
qemu_add_vm_change_state_handler(qemu_spice_vm_change_state_handler, &sdpy);
qemu_spice_create_host_memslot(&sdpy);
qemu_spice_create_host_primary(&sdpy);
}
VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
DriveInfo *dinfo;
if (!conf->bs) {
error_report("virtio-blk-pci: drive property not set");
return NULL;
}
if (!bdrv_is_inserted(conf->bs)) {
error_report("Device needs media, but drive is empty");
return NULL;
}
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
sizeof(VirtIOBlock));
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.reset = virtio_blk_reset;
s->bs = conf->bs;
s->conf = conf;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
/* NB: per existing s/n string convention the string is terminated
* by '\0' only when less than sizeof (s->sn)
*/
dinfo = drive_get_by_blockdev(s->bs);
strncpy(s->sn, dinfo->serial, sizeof (s->sn));
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
s->qdev = dev;
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_removable(s->bs, 0);
s->bs->buffer_alignment = conf->logical_block_size;
add_boot_device_path(conf->bootindex, dev, "/disk@0,0");
return &s->vdev;
}
VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk)
{
VirtIOBlock *s;
static int virtio_blk_id;
if (!blk->conf.bs) {
error_report("drive property not set");
return NULL;
}
if (!bdrv_is_inserted(blk->conf.bs)) {
error_report("Device needs media, but drive is empty");
return NULL;
}
blkconf_serial(&blk->conf, &blk->serial);
if (blkconf_geometry(&blk->conf, NULL, 65535, 255, 255) < 0) {
return NULL;
}
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
sizeof(VirtIOBlock));
s->vdev.get_config = virtio_blk_update_config;
s->vdev.set_config = virtio_blk_set_config;
s->vdev.get_features = virtio_blk_get_features;
s->vdev.set_status = virtio_blk_set_status;
s->vdev.reset = virtio_blk_reset;
s->bs = blk->conf.bs;
s->conf = &blk->conf;
s->blk = blk;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
s->qdev = dev;
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
bdrv_set_buffer_alignment(s->bs, s->conf->logical_block_size);
bdrv_iostatus_enable(s->bs);
add_boot_device_path(s->conf->bootindex, dev, "/disk@0,0");
return &s->vdev;
}
/* CMD646 PCI IDE controller */
static int pci_cmd646_ide_initfn(PCIDevice *dev)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
uint8_t *pci_conf = d->dev.config;
qemu_irq *irq;
int i;
pci_conf[PCI_CLASS_PROG] = 0x8f;
pci_conf[0x51] = 0x04; // enable IDE0
if (d->secondary) {
/* XXX: if not enabled, really disable the seconday IDE controller */
pci_conf[0x51] |= 0x08; /* enable IDE1 */
}
setup_cmd646_bar(d, 0);
setup_cmd646_bar(d, 1);
pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].data);
pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].cmd);
pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].data);
pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].cmd);
bmdma_setup_bar(d);
pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
/* TODO: RST# value should be 0 */
pci_conf[PCI_INTERRUPT_PIN] = 0x01; // interrupt on pin 1
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], &d->dev.qdev, i);
ide_init2(&d->bus[i], irq[i]);
bmdma_init(&d->bus[i], &d->bmdma[i], d);
d->bmdma[i].bus = &d->bus[i];
qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
&d->bmdma[i].dma);
}
vmstate_register(&dev->qdev, 0, &vmstate_ide_pci, d);
qemu_register_reset(cmd646_reset, d);
return 0;
}
static int xen_init(MachineState *ms)
{
xen_xc = xc_interface_open(0, 0, 0);
if (xen_xc == NULL) {
xen_pv_printf(NULL, 0, "can't open xen interface\n");
return -1;
}
xen_fmem = xenforeignmemory_open(0, 0);
if (xen_fmem == NULL) {
xen_pv_printf(NULL, 0, "can't open xen fmem interface\n");
xc_interface_close(xen_xc);
return -1;
}
qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
global_state_set_optional();
savevm_skip_configuration();
savevm_skip_section_footers();
return 0;
}
static void pci_piix_init_ports(PCIIDEState *d) {
int i;
struct {
int iobase;
int iobase2;
int isairq;
} port_info[] = {
{0x1f0, 0x3f6, 14},
{0x170, 0x376, 15},
};
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], &d->dev.qdev, i);
ide_init_ioport(&d->bus[i], port_info[i].iobase, port_info[i].iobase2);
ide_init2(&d->bus[i], isa_get_irq(port_info[i].isairq));
bmdma_init(&d->bus[i], &d->bmdma[i]);
d->bmdma[i].bus = &d->bus[i];
qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
&d->bmdma[i].dma);
}
}
static void kvm_arm_its_realize(DeviceState *dev, Error **errp)
{
GICv3ITSState *s = ARM_GICV3_ITS_COMMON(dev);
Error *local_err = NULL;
s->dev_fd = kvm_create_device(kvm_state, KVM_DEV_TYPE_ARM_VGIC_ITS, false);
if (s->dev_fd < 0) {
error_setg_errno(errp, -s->dev_fd, "error creating in-kernel ITS");
return;
}
/* explicit init of the ITS */
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true, &error_abort);
/* register the base address */
kvm_arm_register_device(&s->iomem_its_cntrl, -1, KVM_DEV_ARM_VGIC_GRP_ADDR,
KVM_VGIC_ITS_ADDR_TYPE, s->dev_fd);
gicv3_its_init_mmio(s, NULL);
if (!kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_CTLR)) {
error_setg(&s->migration_blocker, "This operating system kernel "
"does not support vITS migration");
migrate_add_blocker(s->migration_blocker, &local_err);
if (local_err) {
error_propagate(errp, local_err);
error_free(s->migration_blocker);
return;
}
} else {
qemu_add_vm_change_state_handler(vm_change_state_handler, s);
}
kvm_msi_use_devid = true;
kvm_gsi_direct_mapping = false;
kvm_msi_via_irqfd_allowed = kvm_irqfds_enabled();
}
static void vt82c686b_init_ports(PCIIDEState *d) {
static const struct {
int iobase;
int iobase2;
int isairq;
} port_info[] = {
{0x1f0, 0x3f6, 14},
{0x170, 0x376, 15},
};
int i;
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], DEVICE(d), i, 2);
ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase,
port_info[i].iobase2);
ide_init2(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq));
bmdma_init(&d->bus[i], &d->bmdma[i], d);
d->bmdma[i].bus = &d->bus[i];
qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
&d->bmdma[i].dma);
}
}
static int xen_init(MachineState *ms)
{
xen_xc = xc_interface_open(0, 0, 0);
if (xen_xc == NULL) {
xen_pv_printf(NULL, 0, "can't open xen interface\n");
return -1;
}
xen_fmem = xenforeignmemory_open(0, 0);
if (xen_fmem == NULL) {
xen_pv_printf(NULL, 0, "can't open xen fmem interface\n");
xc_interface_close(xen_xc);
return -1;
}
xen_dmod = xendevicemodel_open(0, 0);
if (xen_dmod == NULL) {
xen_pv_printf(NULL, 0, "can't open xen devicemodel interface\n");
xenforeignmemory_close(xen_fmem);
xc_interface_close(xen_xc);
return -1;
}
qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
return 0;
}
static void kvm_pit_realizefn(DeviceState *dev, Error **errp)
{
PITCommonState *pit = PIT_COMMON(dev);
KVMPITClass *kpc = KVM_PIT_GET_CLASS(dev);
KVMPITState *s = KVM_PIT(pit);
struct kvm_pit_config config = {
.flags = 0,
};
int ret;
if (kvm_check_extension(kvm_state, KVM_CAP_PIT2)) {
ret = kvm_vm_ioctl(kvm_state, KVM_CREATE_PIT2, &config);
} else {
ret = kvm_vm_ioctl(kvm_state, KVM_CREATE_PIT);
}
if (ret < 0) {
error_setg(errp, "Create kernel PIC irqchip failed: %s",
strerror(ret));
return;
}
switch (s->lost_tick_policy) {
case LOST_TICK_DELAY:
break; /* enabled by default */
case LOST_TICK_DISCARD:
if (kvm_check_extension(kvm_state, KVM_CAP_REINJECT_CONTROL)) {
struct kvm_reinject_control control = { .pit_reinject = 0 };
ret = kvm_vm_ioctl(kvm_state, KVM_REINJECT_CONTROL, &control);
if (ret < 0) {
error_setg(errp,
"Can't disable in-kernel PIT reinjection: %s",
strerror(ret));
return;
}
}
break;
default:
error_setg(errp, "Lost tick policy not supported.");
return;
}
memory_region_init_reservation(&pit->ioports, NULL, "kvm-pit", 4);
qdev_init_gpio_in(dev, kvm_pit_irq_control, 1);
qemu_add_vm_change_state_handler(kvm_pit_vm_state_change, s);
kpc->parent_realize(dev, errp);
}
static Property kvm_pit_properties[] = {
DEFINE_PROP_HEX32("iobase", PITCommonState, iobase, -1),
DEFINE_PROP_LOSTTICKPOLICY("lost_tick_policy", KVMPITState,
lost_tick_policy, LOST_TICK_DELAY),
DEFINE_PROP_END_OF_LIST(),
};
static void kvm_pit_class_init(ObjectClass *klass, void *data)
{
KVMPITClass *kpc = KVM_PIT_CLASS(klass);
PITCommonClass *k = PIT_COMMON_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
kpc->parent_realize = dc->realize;
dc->realize = kvm_pit_realizefn;
k->set_channel_gate = kvm_pit_set_gate;
k->get_channel_info = kvm_pit_get_channel_info;
k->pre_save = kvm_pit_get;
k->post_load = kvm_pit_put;
dc->reset = kvm_pit_reset;
dc->props = kvm_pit_properties;
}
static const TypeInfo kvm_pit_info = {
.name = TYPE_KVM_I8254,
.parent = TYPE_PIT_COMMON,
.instance_size = sizeof(KVMPITState),
.class_init = kvm_pit_class_init,
.class_size = sizeof(KVMPITClass),
};
static void kvm_pit_register(void)
{
type_register_static(&kvm_pit_info);
}
type_init(kvm_pit_register)
static void kvmclock_realize(DeviceState *dev, Error **errp)
{
KVMClockState *s = KVM_CLOCK(dev);
qemu_add_vm_change_state_handler(kvmclock_vm_state_change, s);
}
VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk)
{
VirtIOBlock *s;
int cylinders, heads, secs;
static int virtio_blk_id;
DriveInfo *dinfo;
if (!blk->conf.bs) {
error_report("drive property not set");
return NULL;
}
if (!bdrv_is_inserted(blk->conf.bs)) {
error_report("Device needs media, but drive is empty");
return NULL;
}
if (!blk->serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = drive_get_by_blockdev(blk->conf.bs);
if (*dinfo->serial) {
blk->serial = strdup(dinfo->serial);
}
}
s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config),
sizeof(VirtIOBlock));
s->vdev.get_config = virtio_blk_update_config;
s->vdev.get_features = virtio_blk_get_features;
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
s->vdev.set_status = virtio_blk_set_status;
#endif
s->vdev.reset = virtio_blk_reset;
s->bs = blk->conf.bs;
s->conf = &blk->conf;
s->blk = blk;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / 512) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
bdrv_set_geometry_hint(s->bs, cylinders, heads, secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
if (!virtio_blk_data_plane_create(&s->vdev, blk, &s->dataplane)) {
virtio_cleanup(&s->vdev);
return NULL;
}
#endif
s->change = qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s);
s->qdev = dev;
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
if (s->dataplane) {
register_device_unmigratable(dev, "virtio-blk", s);
}
#endif
bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
s->bs->buffer_alignment = s->conf->logical_block_size;
bdrv_iostatus_enable(s->bs);
add_boot_device_path(s->conf->bootindex, dev, "/disk@0,0");
return &s->vdev;
}
