@@ -988,7 +988,8 @@ static const VMStateDescription vmstate_virtio_gpu_scanouts = {
},
};
-static void virtio_gpu_save(QEMUFile *f, void *opaque, size_t size)
+static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
VirtIOGPU *g = opaque;
struct virtio_gpu_simple_resource *res;
@@ -1013,9 +1014,12 @@ static void virtio_gpu_save(QEMUFile *f, void *opaque, size_t size)
qemu_put_be32(f, 0); /* end of list */
vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL);
+
+ return 0;
}
-static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size)
+static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
VirtIOGPU *g = opaque;
struct virtio_gpu_simple_resource *res;
@@ -286,7 +286,8 @@ static void kvm_s390_release_adapter_routes(S390FLICState *fs,
* increase until buffer is sufficient or maxium size is
* reached
*/
-static void kvm_flic_save(QEMUFile *f, void *opaque, size_t size)
+static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
KVMS390FLICState *flic = opaque;
int len = FLIC_SAVE_INITIAL_SIZE;
@@ -319,6 +320,8 @@ static void kvm_flic_save(QEMUFile *f, void *opaque, size_t size)
count * sizeof(struct kvm_s390_irq));
}
g_free(buf);
+
+ return 0;
}
/**
@@ -331,7 +334,8 @@ static void kvm_flic_save(QEMUFile *f, void *opaque, size_t size)
* Note: Do nothing when no interrupts where stored
* in QEMUFile
*/
-static int kvm_flic_load(QEMUFile *f, void *opaque, size_t size)
+static int kvm_flic_load(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
uint64_t len = 0;
uint64_t count = 0;
@@ -2451,7 +2451,8 @@ static void vmxnet3_put_tx_stats_to_file(QEMUFile *f,
qemu_put_be64(f, tx_stat->pktsTxDiscard);
}
-static int vmxnet3_get_txq_descr(QEMUFile *f, void *pv, size_t size)
+static int vmxnet3_get_txq_descr(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
Vmxnet3TxqDescr *r = pv;
@@ -2465,7 +2466,8 @@ static int vmxnet3_get_txq_descr(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void vmxnet3_put_txq_descr(QEMUFile *f, void *pv, size_t size)
+static int vmxnet3_put_txq_descr(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
Vmxnet3TxqDescr *r = pv;
@@ -2474,6 +2476,8 @@ static void vmxnet3_put_txq_descr(QEMUFile *f, void *pv, size_t size)
qemu_put_byte(f, r->intr_idx);
qemu_put_be64(f, r->tx_stats_pa);
vmxnet3_put_tx_stats_to_file(f, &r->txq_stats);
+
+ return 0;
}
static const VMStateInfo txq_descr_info = {
@@ -2512,7 +2516,8 @@ static void vmxnet3_put_rx_stats_to_file(QEMUFile *f,
qemu_put_be64(f, rx_stat->pktsRxError);
}
-static int vmxnet3_get_rxq_descr(QEMUFile *f, void *pv, size_t size)
+static int vmxnet3_get_rxq_descr(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
Vmxnet3RxqDescr *r = pv;
int i;
@@ -2530,7 +2535,8 @@ static int vmxnet3_get_rxq_descr(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void vmxnet3_put_rxq_descr(QEMUFile *f, void *pv, size_t size)
+static int vmxnet3_put_rxq_descr(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
Vmxnet3RxqDescr *r = pv;
int i;
@@ -2543,6 +2549,8 @@ static void vmxnet3_put_rxq_descr(QEMUFile *f, void *pv, size_t size)
qemu_put_byte(f, r->intr_idx);
qemu_put_be64(f, r->rx_stats_pa);
vmxnet3_put_rx_stats_to_file(f, &r->rxq_stats);
+
+ return 0;
}
static int vmxnet3_post_load(void *opaque, int version_id)
@@ -2575,7 +2583,8 @@ static const VMStateInfo rxq_descr_info = {
.put = vmxnet3_put_rxq_descr
};
-static int vmxnet3_get_int_state(QEMUFile *f, void *pv, size_t size)
+static int vmxnet3_get_int_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
Vmxnet3IntState *r = pv;
@@ -2586,13 +2595,16 @@ static int vmxnet3_get_int_state(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void vmxnet3_put_int_state(QEMUFile *f, void *pv, size_t size)
+static int vmxnet3_put_int_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
Vmxnet3IntState *r = pv;
qemu_put_byte(f, r->is_masked);
qemu_put_byte(f, r->is_pending);
qemu_put_byte(f, r->is_asserted);
+
+ return 0;
}
static const VMStateInfo int_state_info = {
@@ -94,18 +94,22 @@ struct _eeprom_t {
This is a Big hack, but it is how the old state did it.
*/
-static int get_uint16_from_uint8(QEMUFile *f, void *pv, size_t size)
+static int get_uint16_from_uint8(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint16_t *v = pv;
*v = qemu_get_ubyte(f);
return 0;
}
-static void put_unused(QEMUFile *f, void *pv, size_t size)
+static int put_unused(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
fprintf(stderr, "uint16_from_uint8 is used only for backwards compatibility.\n");
fprintf(stderr, "Never should be used to write a new state.\n");
exit(0);
+
+ return 0;
}
static const VMStateInfo vmstate_hack_uint16_from_uint8 = {
@@ -523,17 +523,21 @@ static void fw_cfg_reset(DeviceState *d)
Or we broke compatibility in the state, or we can't use struct tm
*/
-static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size)
+static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint32_t *v = pv;
*v = qemu_get_be16(f);
return 0;
}
-static void put_unused(QEMUFile *f, void *pv, size_t size)
+static int put_unused(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
fprintf(stderr, "uint32_as_uint16 is only used for backward compatibility.\n");
fprintf(stderr, "This functions shouldn't be called.\n");
+
+ return 0;
}
static const VMStateInfo vmstate_hack_uint32_as_uint16 = {
@@ -587,12 +587,16 @@ void msix_unset_vector_notifiers(PCIDevice *dev)
dev->msix_vector_poll_notifier = NULL;
}
-static void put_msix_state(QEMUFile *f, void *pv, size_t size)
+static int put_msix_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
msix_save(pv, f);
+
+ return 0;
}
-static int get_msix_state(QEMUFile *f, void *pv, size_t size)
+static int get_msix_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
msix_load(pv, f);
return 0;
@@ -445,7 +445,8 @@ int pci_bus_numa_node(PCIBus *bus)
return PCI_BUS_GET_CLASS(bus)->numa_node(bus);
}
-static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
+static int get_pci_config_device(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
PCIDevice *s = container_of(pv, PCIDevice, config);
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(s);
@@ -484,11 +485,14 @@ static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
}
/* just put buffer */
-static void put_pci_config_device(QEMUFile *f, void *pv, size_t size)
+static int put_pci_config_device(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
const uint8_t **v = pv;
assert(size == pci_config_size(container_of(pv, PCIDevice, config)));
qemu_put_buffer(f, *v, size);
+
+ return 0;
}
static VMStateInfo vmstate_info_pci_config = {
@@ -497,7 +501,8 @@ static VMStateInfo vmstate_info_pci_config = {
.put = put_pci_config_device,
};
-static int get_pci_irq_state(QEMUFile *f, void *pv, size_t size)
+static int get_pci_irq_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
PCIDevice *s = container_of(pv, PCIDevice, irq_state);
uint32_t irq_state[PCI_NUM_PINS];
@@ -518,7 +523,8 @@ static int get_pci_irq_state(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_pci_irq_state(QEMUFile *f, void *pv, size_t size)
+static int put_pci_irq_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
int i;
PCIDevice *s = container_of(pv, PCIDevice, irq_state);
@@ -526,6 +532,8 @@ static void put_pci_irq_state(QEMUFile *f, void *pv, size_t size)
for (i = 0; i < PCI_NUM_PINS; ++i) {
qemu_put_be32(f, pci_irq_state(s, i));
}
+
+ return 0;
}
static VMStateInfo vmstate_info_pci_irq_state = {
@@ -695,13 +695,16 @@ void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
shpc_cap_update_dword(d);
}
-static void shpc_save(QEMUFile *f, void *pv, size_t size)
+static int shpc_save(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
PCIDevice *d = container_of(pv, PCIDevice, shpc);
qemu_put_buffer(f, d->shpc->config, SHPC_SIZEOF(d));
+
+ return 0;
}
-static int shpc_load(QEMUFile *f, void *pv, size_t size)
+static int shpc_load(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
PCIDevice *d = container_of(pv, PCIDevice, shpc);
int ret = qemu_get_buffer(f, d->shpc->config, SHPC_SIZEOF(d));
@@ -1945,7 +1945,8 @@ SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int id, int lun)
/* SCSI request list. For simplicity, pv points to the whole device */
-static void put_scsi_requests(QEMUFile *f, void *pv, size_t size)
+static int put_scsi_requests(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
SCSIDevice *s = pv;
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, s->qdev.parent_bus);
@@ -1968,9 +1969,12 @@ static void put_scsi_requests(QEMUFile *f, void *pv, size_t size)
}
}
qemu_put_sbyte(f, 0);
+
+ return 0;
}
-static int get_scsi_requests(QEMUFile *f, void *pv, size_t size)
+static int get_scsi_requests(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
SCSIDevice *s = pv;
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, s->qdev.parent_bus);
@@ -747,17 +747,21 @@ static int menelaus_rx(I2CSlave *i2c)
Or we broke compatibility in the state, or we can't use struct tm
*/
-static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size)
+static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
int *v = pv;
*v = qemu_get_be16(f);
return 0;
}
-static void put_int32_as_uint16(QEMUFile *f, void *pv, size_t size)
+static int put_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
int *v = pv;
qemu_put_be16(f, *v);
+
+ return 0;
}
static const VMStateInfo vmstate_hack_int32_as_uint16 = {
@@ -2165,7 +2165,8 @@ static int usbredir_post_load(void *priv, int version_id)
}
/* For usbredirparser migration */
-static void usbredir_put_parser(QEMUFile *f, void *priv, size_t unused)
+static int usbredir_put_parser(QEMUFile *f, void *priv, size_t unused,
+ VMStateField *field, QJSON *vmdesc)
{
USBRedirDevice *dev = priv;
uint8_t *data;
@@ -2183,9 +2184,12 @@ static void usbredir_put_parser(QEMUFile *f, void *priv, size_t unused)
qemu_put_buffer(f, data, len);
free(data);
+
+ return 0;
}
-static int usbredir_get_parser(QEMUFile *f, void *priv, size_t unused)
+static int usbredir_get_parser(QEMUFile *f, void *priv, size_t unused,
+ VMStateField *field)
{
USBRedirDevice *dev = priv;
uint8_t *data;
@@ -2228,7 +2232,8 @@ static const VMStateInfo usbredir_parser_vmstate_info = {
/* For buffered packets (iso/irq) queue migration */
-static void usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused)
+static int usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused,
+ VMStateField *field, QJSON *vmdesc)
{
struct endp_data *endp = priv;
USBRedirDevice *dev = endp->dev;
@@ -2246,9 +2251,12 @@ static void usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused)
i++;
}
assert(i == endp->bufpq_size);
+
+ return 0;
}
-static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused)
+static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused,
+ VMStateField *field)
{
struct endp_data *endp = priv;
USBRedirDevice *dev = endp->dev;
@@ -2351,7 +2359,8 @@ static const VMStateDescription usbredir_ep_vmstate = {
/* For PacketIdQueue migration */
-static void usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused)
+static int usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused,
+ VMStateField *field, QJSON *vmdesc)
{
struct PacketIdQueue *q = priv;
USBRedirDevice *dev = q->dev;
@@ -2365,9 +2374,12 @@ static void usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused)
remain--;
}
assert(remain == 0);
+
+ return 0;
}
-static int usbredir_get_packet_id_q(QEMUFile *f, void *priv, size_t unused)
+static int usbredir_get_packet_id_q(QEMUFile *f, void *priv, size_t unused,
+ VMStateField *field)
{
struct PacketIdQueue *q = priv;
USBRedirDevice *dev = q->dev;
@@ -108,7 +108,8 @@ static bool virtio_pci_has_extra_state(DeviceState *d)
return proxy->flags & VIRTIO_PCI_FLAG_MIGRATE_EXTRA;
}
-static int get_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size)
+static int get_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
VirtIOPCIProxy *proxy = pv;
int i;
@@ -137,7 +138,8 @@ static void virtio_pci_save_modern_queue_state(VirtIOPCIQueue *vq,
qemu_put_be32(f, vq->used[1]);
}
-static void put_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size)
+static int put_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
VirtIOPCIProxy *proxy = pv;
int i;
@@ -149,6 +151,8 @@ static void put_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size)
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
virtio_pci_save_modern_queue_state(&proxy->vqs[i], f);
}
+
+ return 0;
}
static const VMStateInfo vmstate_info_virtio_pci_modern_state = {
@@ -1470,7 +1470,8 @@ static const VMStateDescription vmstate_virtio_ringsize = {
}
};
-static int get_extra_state(QEMUFile *f, void *pv, size_t size)
+static int get_extra_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
VirtIODevice *vdev = pv;
BusState *qbus = qdev_get_parent_bus(DEVICE(vdev));
@@ -1483,13 +1484,15 @@ static int get_extra_state(QEMUFile *f, void *pv, size_t size)
}
}
-static void put_extra_state(QEMUFile *f, void *pv, size_t size)
+static int put_extra_state(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
VirtIODevice *vdev = pv;
BusState *qbus = qdev_get_parent_bus(DEVICE(vdev));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
k->save_extra_state(qbus->parent, f);
+ return 0;
}
static const VMStateInfo vmstate_info_extra_state = {
@@ -1624,13 +1627,17 @@ void virtio_save(VirtIODevice *vdev, QEMUFile *f)
}
/* A wrapper for use as a VMState .put function */
-static void virtio_device_put(QEMUFile *f, void *opaque, size_t size)
+static int virtio_device_put(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
virtio_save(VIRTIO_DEVICE(opaque), f);
+
+ return 0;
}
/* A wrapper for use as a VMState .get function */
-static int virtio_device_get(QEMUFile *f, void *opaque, size_t size)
+static int virtio_device_get(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
VirtIODevice *vdev = VIRTIO_DEVICE(opaque);
DeviceClass *dc = DEVICE_CLASS(VIRTIO_DEVICE_GET_CLASS(vdev));
@@ -81,11 +81,20 @@ void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
typedef struct VMStateInfo VMStateInfo;
typedef struct VMStateDescription VMStateDescription;
-
+typedef struct VMStateField VMStateField;
+
+/* VMStateInfo allows customized migration of objects that don't fit in
+ * any category in VMStateFlags. Additional information is always passed
+ * into get and put in terms of field and vmdesc parameters. However
+ * these two parameters should only be used in cases when customized
+ * handling is needed, such as QTAILQ. For primitive data types such as
+ * integer, field and vmdesc parameters should be ignored inside get/put.
+ */
struct VMStateInfo {
const char *name;
- int (*get)(QEMUFile *f, void *pv, size_t size);
- void (*put)(QEMUFile *f, void *pv, size_t size);
+ int (*get)(QEMUFile *f, void *pv, size_t size, VMStateField *field);
+ int (*put)(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc);
};
enum VMStateFlags {
@@ -186,7 +195,7 @@ enum VMStateFlags {
VMS_MULTIPLY_ELEMENTS = 0x4000,
};
-typedef struct {
+struct VMStateField {
const char *name;
size_t offset;
size_t size;
@@ -199,7 +208,7 @@ typedef struct {
const VMStateDescription *vmsd;
int version_id;
bool (*field_exists)(void *opaque, int version_id);
-} VMStateField;
+};
struct VMStateDescription {
const char *name;
@@ -220,17 +220,20 @@ void timer_get(QEMUFile *f, QEMUTimer *ts)
* Not in vmstate.c to not add qemu-timer.c as dependency to vmstate.c
*/
-static int get_timer(QEMUFile *f, void *pv, size_t size)
+static int get_timer(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
QEMUTimer *v = pv;
timer_get(f, v);
return 0;
}
-static void put_timer(QEMUFile *f, void *pv, size_t size)
+static int put_timer(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
QEMUTimer *v = pv;
timer_put(f, v);
+
+ return 0;
}
const VMStateInfo vmstate_info_timer = {
@@ -6,6 +6,7 @@
#include "qemu/bitops.h"
#include "qemu/error-report.h"
#include "trace.h"
+#include "migration/qjson.h"
static void vmstate_subsection_save(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, QJSON *vmdesc);
@@ -122,8 +123,7 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
ret = vmstate_load_state(f, field->vmsd, addr,
field->vmsd->version_id);
} else {
- ret = field->info->get(f, addr, size);
-
+ ret = field->info->get(f, addr, size, field);
}
if (ret >= 0) {
ret = qemu_file_get_error(f);
@@ -330,7 +330,7 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
if (field->flags & VMS_STRUCT) {
vmstate_save_state(f, field->vmsd, addr, vmdesc_loop);
} else {
- field->info->put(f, addr, size);
+ field->info->put(f, addr, size, field, vmdesc_loop);
}
written_bytes = qemu_ftell_fast(f) - old_offset;
@@ -463,17 +463,19 @@ static void vmstate_subsection_save(QEMUFile *f, const VMStateDescription *vmsd,
/* bool */
-static int get_bool(QEMUFile *f, void *pv, size_t size)
+static int get_bool(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
bool *v = pv;
*v = qemu_get_byte(f);
return 0;
}
-static void put_bool(QEMUFile *f, void *pv, size_t size)
+static int put_bool(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
bool *v = pv;
qemu_put_byte(f, *v);
+ return 0;
}
const VMStateInfo vmstate_info_bool = {
@@ -484,17 +486,19 @@ const VMStateInfo vmstate_info_bool = {
/* 8 bit int */
-static int get_int8(QEMUFile *f, void *pv, size_t size)
+static int get_int8(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
int8_t *v = pv;
qemu_get_s8s(f, v);
return 0;
}
-static void put_int8(QEMUFile *f, void *pv, size_t size)
+static int put_int8(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
int8_t *v = pv;
qemu_put_s8s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_int8 = {
@@ -505,17 +509,19 @@ const VMStateInfo vmstate_info_int8 = {
/* 16 bit int */
-static int get_int16(QEMUFile *f, void *pv, size_t size)
+static int get_int16(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
int16_t *v = pv;
qemu_get_sbe16s(f, v);
return 0;
}
-static void put_int16(QEMUFile *f, void *pv, size_t size)
+static int put_int16(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
int16_t *v = pv;
qemu_put_sbe16s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_int16 = {
@@ -526,17 +532,19 @@ const VMStateInfo vmstate_info_int16 = {
/* 32 bit int */
-static int get_int32(QEMUFile *f, void *pv, size_t size)
+static int get_int32(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
int32_t *v = pv;
qemu_get_sbe32s(f, v);
return 0;
}
-static void put_int32(QEMUFile *f, void *pv, size_t size)
+static int put_int32(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
int32_t *v = pv;
qemu_put_sbe32s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_int32 = {
@@ -548,7 +556,8 @@ const VMStateInfo vmstate_info_int32 = {
/* 32 bit int. See that the received value is the same than the one
in the field */
-static int get_int32_equal(QEMUFile *f, void *pv, size_t size)
+static int get_int32_equal(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
int32_t *v = pv;
int32_t v2;
@@ -571,7 +580,7 @@ const VMStateInfo vmstate_info_int32_equal = {
* and less than or equal to the one in the field.
*/
-static int get_int32_le(QEMUFile *f, void *pv, size_t size)
+static int get_int32_le(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
int32_t *cur = pv;
int32_t loaded;
@@ -595,17 +604,19 @@ const VMStateInfo vmstate_info_int32_le = {
/* 64 bit int */
-static int get_int64(QEMUFile *f, void *pv, size_t size)
+static int get_int64(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
int64_t *v = pv;
qemu_get_sbe64s(f, v);
return 0;
}
-static void put_int64(QEMUFile *f, void *pv, size_t size)
+static int put_int64(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
int64_t *v = pv;
qemu_put_sbe64s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_int64 = {
@@ -616,17 +627,19 @@ const VMStateInfo vmstate_info_int64 = {
/* 8 bit unsigned int */
-static int get_uint8(QEMUFile *f, void *pv, size_t size)
+static int get_uint8(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
uint8_t *v = pv;
qemu_get_8s(f, v);
return 0;
}
-static void put_uint8(QEMUFile *f, void *pv, size_t size)
+static int put_uint8(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
uint8_t *v = pv;
qemu_put_8s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_uint8 = {
@@ -637,17 +650,19 @@ const VMStateInfo vmstate_info_uint8 = {
/* 16 bit unsigned int */
-static int get_uint16(QEMUFile *f, void *pv, size_t size)
+static int get_uint16(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
uint16_t *v = pv;
qemu_get_be16s(f, v);
return 0;
}
-static void put_uint16(QEMUFile *f, void *pv, size_t size)
+static int put_uint16(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
uint16_t *v = pv;
qemu_put_be16s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_uint16 = {
@@ -658,17 +673,19 @@ const VMStateInfo vmstate_info_uint16 = {
/* 32 bit unsigned int */
-static int get_uint32(QEMUFile *f, void *pv, size_t size)
+static int get_uint32(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
uint32_t *v = pv;
qemu_get_be32s(f, v);
return 0;
}
-static void put_uint32(QEMUFile *f, void *pv, size_t size)
+static int put_uint32(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
uint32_t *v = pv;
qemu_put_be32s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_uint32 = {
@@ -680,7 +697,8 @@ const VMStateInfo vmstate_info_uint32 = {
/* 32 bit uint. See that the received value is the same than the one
in the field */
-static int get_uint32_equal(QEMUFile *f, void *pv, size_t size)
+static int get_uint32_equal(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint32_t *v = pv;
uint32_t v2;
@@ -701,17 +719,19 @@ const VMStateInfo vmstate_info_uint32_equal = {
/* 64 bit unsigned int */
-static int get_uint64(QEMUFile *f, void *pv, size_t size)
+static int get_uint64(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
uint64_t *v = pv;
qemu_get_be64s(f, v);
return 0;
}
-static void put_uint64(QEMUFile *f, void *pv, size_t size)
+static int put_uint64(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
uint64_t *v = pv;
qemu_put_be64s(f, v);
+ return 0;
}
const VMStateInfo vmstate_info_uint64 = {
@@ -723,7 +743,8 @@ const VMStateInfo vmstate_info_uint64 = {
/* 64 bit unsigned int. See that the received value is the same than the one
in the field */
-static int get_uint64_equal(QEMUFile *f, void *pv, size_t size)
+static int get_uint64_equal(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint64_t *v = pv;
uint64_t v2;
@@ -745,7 +766,8 @@ const VMStateInfo vmstate_info_uint64_equal = {
/* 8 bit int. See that the received value is the same than the one
in the field */
-static int get_uint8_equal(QEMUFile *f, void *pv, size_t size)
+static int get_uint8_equal(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint8_t *v = pv;
uint8_t v2;
@@ -767,7 +789,8 @@ const VMStateInfo vmstate_info_uint8_equal = {
/* 16 bit unsigned int int. See that the received value is the same than the one
in the field */
-static int get_uint16_equal(QEMUFile *f, void *pv, size_t size)
+static int get_uint16_equal(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint16_t *v = pv;
uint16_t v2;
@@ -788,7 +811,8 @@ const VMStateInfo vmstate_info_uint16_equal = {
/* floating point */
-static int get_float64(QEMUFile *f, void *pv, size_t size)
+static int get_float64(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
float64 *v = pv;
@@ -796,11 +820,13 @@ static int get_float64(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_float64(QEMUFile *f, void *pv, size_t size)
+static int put_float64(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
uint64_t *v = pv;
qemu_put_be64(f, float64_val(*v));
+ return 0;
}
const VMStateInfo vmstate_info_float64 = {
@@ -811,7 +837,8 @@ const VMStateInfo vmstate_info_float64 = {
/* CPU_DoubleU type */
-static int get_cpudouble(QEMUFile *f, void *pv, size_t size)
+static int get_cpudouble(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
CPU_DoubleU *v = pv;
qemu_get_be32s(f, &v->l.upper);
@@ -819,11 +846,13 @@ static int get_cpudouble(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_cpudouble(QEMUFile *f, void *pv, size_t size)
+static int put_cpudouble(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
CPU_DoubleU *v = pv;
qemu_put_be32s(f, &v->l.upper);
qemu_put_be32s(f, &v->l.lower);
+ return 0;
}
const VMStateInfo vmstate_info_cpudouble = {
@@ -834,17 +863,20 @@ const VMStateInfo vmstate_info_cpudouble = {
/* uint8_t buffers */
-static int get_buffer(QEMUFile *f, void *pv, size_t size)
+static int get_buffer(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint8_t *v = pv;
qemu_get_buffer(f, v, size);
return 0;
}
-static void put_buffer(QEMUFile *f, void *pv, size_t size)
+static int put_buffer(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
uint8_t *v = pv;
qemu_put_buffer(f, v, size);
+ return 0;
}
const VMStateInfo vmstate_info_buffer = {
@@ -856,7 +888,8 @@ const VMStateInfo vmstate_info_buffer = {
/* unused buffers: space that was used for some fields that are
not useful anymore */
-static int get_unused_buffer(QEMUFile *f, void *pv, size_t size)
+static int get_unused_buffer(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint8_t buf[1024];
int block_len;
@@ -869,7 +902,8 @@ static int get_unused_buffer(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_unused_buffer(QEMUFile *f, void *pv, size_t size)
+static int put_unused_buffer(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
static const uint8_t buf[1024];
int block_len;
@@ -879,6 +913,8 @@ static void put_unused_buffer(QEMUFile *f, void *pv, size_t size)
size -= block_len;
qemu_put_buffer(f, buf, block_len);
}
+
+ return 0;
}
const VMStateInfo vmstate_info_unused_buffer = {
@@ -894,7 +930,7 @@ const VMStateInfo vmstate_info_unused_buffer = {
*/
/* This is the number of 64 bit words sent over the wire */
#define BITS_TO_U64S(nr) DIV_ROUND_UP(nr, 64)
-static int get_bitmap(QEMUFile *f, void *pv, size_t size)
+static int get_bitmap(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
unsigned long *bmp = pv;
int i, idx = 0;
@@ -908,7 +944,8 @@ static int get_bitmap(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_bitmap(QEMUFile *f, void *pv, size_t size)
+static int put_bitmap(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
unsigned long *bmp = pv;
int i, idx = 0;
@@ -919,6 +956,8 @@ static void put_bitmap(QEMUFile *f, void *pv, size_t size)
}
qemu_put_be64(f, w);
}
+
+ return 0;
}
const VMStateInfo vmstate_info_bitmap = {
@@ -5,17 +5,19 @@
#include "hw/boards.h"
#include "migration/cpu.h"
-static int get_fpcr(QEMUFile *f, void *opaque, size_t size)
+static int get_fpcr(QEMUFile *f, void *opaque, size_t size, VMStateField *field)
{
CPUAlphaState *env = opaque;
cpu_alpha_store_fpcr(env, qemu_get_be64(f));
return 0;
}
-static void put_fpcr(QEMUFile *f, void *opaque, size_t size)
+static int put_fpcr(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
CPUAlphaState *env = opaque;
qemu_put_be64(f, cpu_alpha_load_fpcr(env));
+ return 0;
}
static const VMStateInfo vmstate_fpcr = {
@@ -17,7 +17,8 @@ static bool vfp_needed(void *opaque)
return arm_feature(env, ARM_FEATURE_VFP);
}
-static int get_fpscr(QEMUFile *f, void *opaque, size_t size)
+static int get_fpscr(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
ARMCPU *cpu = opaque;
CPUARMState *env = &cpu->env;
@@ -27,12 +28,14 @@ static int get_fpscr(QEMUFile *f, void *opaque, size_t size)
return 0;
}
-static void put_fpscr(QEMUFile *f, void *opaque, size_t size)
+static int put_fpscr(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
ARMCPU *cpu = opaque;
CPUARMState *env = &cpu->env;
qemu_put_be32(f, vfp_get_fpscr(env));
+ return 0;
}
static const VMStateInfo vmstate_fpscr = {
@@ -163,7 +166,8 @@ static const VMStateDescription vmstate_pmsav7 = {
}
};
-static int get_cpsr(QEMUFile *f, void *opaque, size_t size)
+static int get_cpsr(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
ARMCPU *cpu = opaque;
CPUARMState *env = &cpu->env;
@@ -180,7 +184,8 @@ static int get_cpsr(QEMUFile *f, void *opaque, size_t size)
return 0;
}
-static void put_cpsr(QEMUFile *f, void *opaque, size_t size)
+static int put_cpsr(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
ARMCPU *cpu = opaque;
CPUARMState *env = &cpu->env;
@@ -193,6 +198,7 @@ static void put_cpsr(QEMUFile *f, void *opaque, size_t size)
}
qemu_put_be32(f, val);
+ return 0;
}
static const VMStateInfo vmstate_cpsr = {
@@ -136,10 +136,12 @@ static const VMStateDescription vmstate_mtrr_var = {
#define VMSTATE_MTRR_VARS(_field, _state, _n, _v) \
VMSTATE_STRUCT_ARRAY(_field, _state, _n, _v, vmstate_mtrr_var, MTRRVar)
-static void put_fpreg_error(QEMUFile *f, void *opaque, size_t size)
+static int put_fpreg_error(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
fprintf(stderr, "call put_fpreg() with invalid arguments\n");
exit(0);
+ return 0;
}
/* XXX: add that in a FPU generic layer */
@@ -164,7 +166,8 @@ static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
p->exp = e;
}
-static int get_fpreg(QEMUFile *f, void *opaque, size_t size)
+static int get_fpreg(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
FPReg *fp_reg = opaque;
uint64_t mant;
@@ -176,7 +179,8 @@ static int get_fpreg(QEMUFile *f, void *opaque, size_t size)
return 0;
}
-static void put_fpreg(QEMUFile *f, void *opaque, size_t size)
+static int put_fpreg(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
FPReg *fp_reg = opaque;
uint64_t mant;
@@ -186,6 +190,8 @@ static void put_fpreg(QEMUFile *f, void *opaque, size_t size)
cpu_get_fp80(&mant, &exp, fp_reg->d);
qemu_put_be64s(f, &mant);
qemu_put_be16s(f, &exp);
+
+ return 0;
}
static const VMStateInfo vmstate_fpreg = {
@@ -194,7 +200,8 @@ static const VMStateInfo vmstate_fpreg = {
.put = put_fpreg,
};
-static int get_fpreg_1_mmx(QEMUFile *f, void *opaque, size_t size)
+static int get_fpreg_1_mmx(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
union x86_longdouble *p = opaque;
uint64_t mant;
@@ -211,7 +218,8 @@ static const VMStateInfo vmstate_fpreg_1_mmx = {
.put = put_fpreg_error,
};
-static int get_fpreg_1_no_mmx(QEMUFile *f, void *opaque, size_t size)
+static int get_fpreg_1_no_mmx(QEMUFile *f, void *opaque, size_t size,
+ VMStateField *field)
{
union x86_longdouble *p = opaque;
uint64_t mant;
@@ -273,17 +281,21 @@ static bool less_than_7(void *opaque, int version_id)
return version_id < 7;
}
-static int get_uint64_as_uint32(QEMUFile *f, void *pv, size_t size)
+static int get_uint64_as_uint32(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field)
{
uint64_t *v = pv;
*v = qemu_get_be32(f);
return 0;
}
-static void put_uint64_as_uint32(QEMUFile *f, void *pv, size_t size)
+static int put_uint64_as_uint32(QEMUFile *f, void *pv, size_t size,
+ VMStateField *field, QJSON *vmdesc)
{
uint64_t *v = pv;
qemu_put_be32(f, *v);
+
+ return 0;
}
static const VMStateInfo vmstate_hack_uint64_as_uint32 = {
@@ -19,7 +19,7 @@ static int cpu_post_load(void *opaque, int version_id)
/* FPU state */
-static int get_fpr(QEMUFile *f, void *pv, size_t size)
+static int get_fpr(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
int i;
fpr_t *v = pv;
@@ -30,7 +30,8 @@ static int get_fpr(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_fpr(QEMUFile *f, void *pv, size_t size)
+static int put_fpr(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
int i;
fpr_t *v = pv;
@@ -38,6 +39,8 @@ static void put_fpr(QEMUFile *f, void *pv, size_t size)
for (i = 0; i < MSA_WRLEN/64; i++) {
qemu_put_sbe64s(f, &v->wr.d[i]);
}
+
+ return 0;
}
const VMStateInfo vmstate_info_fpr = {
@@ -124,7 +127,7 @@ const VMStateDescription vmstate_mvp = {
/* TLB state */
-static int get_tlb(QEMUFile *f, void *pv, size_t size)
+static int get_tlb(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
r4k_tlb_t *v = pv;
uint16_t flags;
@@ -151,7 +154,8 @@ static int get_tlb(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_tlb(QEMUFile *f, void *pv, size_t size)
+static int put_tlb(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
r4k_tlb_t *v = pv;
@@ -175,6 +179,8 @@ static void put_tlb(QEMUFile *f, void *pv, size_t size)
qemu_put_be16s(f, &flags);
qemu_put_be64s(f, &v->PFN[0]);
qemu_put_be64s(f, &v->PFN[1]);
+
+ return 0;
}
const VMStateInfo vmstate_info_tlb = {
@@ -105,7 +105,7 @@ static int cpu_load_old(QEMUFile *f, void *opaque, int version_id)
return 0;
}
-static int get_avr(QEMUFile *f, void *pv, size_t size)
+static int get_avr(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
ppc_avr_t *v = pv;
@@ -115,12 +115,14 @@ static int get_avr(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_avr(QEMUFile *f, void *pv, size_t size)
+static int put_avr(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
ppc_avr_t *v = pv;
qemu_put_be64(f, v->u64[0]);
qemu_put_be64(f, v->u64[1]);
+ return 0;
}
static const VMStateInfo vmstate_info_avr = {
@@ -323,7 +325,7 @@ static const VMStateDescription vmstate_sr = {
};
#ifdef TARGET_PPC64
-static int get_slbe(QEMUFile *f, void *pv, size_t size)
+static int get_slbe(QEMUFile *f, void *pv, size_t size, VMStateField *field)
{
ppc_slb_t *v = pv;
@@ -333,12 +335,14 @@ static int get_slbe(QEMUFile *f, void *pv, size_t size)
return 0;
}
-static void put_slbe(QEMUFile *f, void *pv, size_t size)
+static int put_slbe(QEMUFile *f, void *pv, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
ppc_slb_t *v = pv;
qemu_put_be64(f, v->esid);
qemu_put_be64(f, v->vsid);
+ return 0;
}
static const VMStateInfo vmstate_info_slbe = {
@@ -56,7 +56,7 @@ static const VMStateDescription vmstate_tlb_entry = {
};
#endif
-static int get_psr(QEMUFile *f, void *opaque, size_t size)
+static int get_psr(QEMUFile *f, void *opaque, size_t size, VMStateField *field)
{
SPARCCPU *cpu = opaque;
CPUSPARCState *env = &cpu->env;
@@ -69,7 +69,8 @@ static int get_psr(QEMUFile *f, void *opaque, size_t size)
return 0;
}
-static void put_psr(QEMUFile *f, void *opaque, size_t size)
+static int put_psr(QEMUFile *f, void *opaque, size_t size, VMStateField *field,
+ QJSON *vmdesc)
{
SPARCCPU *cpu = opaque;
CPUSPARCState *env = &cpu->env;
@@ -78,6 +79,7 @@ static void put_psr(QEMUFile *f, void *opaque, size_t size)
val = cpu_get_psr(env);
qemu_put_be32(f, val);
+ return 0;
}
static const VMStateInfo vmstate_psr = {
Current migration code cannot handle some data structures such as QTAILQ in qemu/queue.h. Here we extend the signatures of put/get in VMStateInfo so that customized handling is supported. put now will return int type. Signed-off-by: Jianjun Duan <duanj@linux.vnet.ibm.com> --- hw/display/virtio-gpu.c | 8 +++- hw/intc/s390_flic_kvm.c | 8 +++- hw/net/vmxnet3.c | 24 +++++++--- hw/nvram/eeprom93xx.c | 8 +++- hw/nvram/fw_cfg.c | 8 +++- hw/pci/msix.c | 8 +++- hw/pci/pci.c | 16 +++++-- hw/pci/shpc.c | 7 ++- hw/scsi/scsi-bus.c | 8 +++- hw/timer/twl92230.c | 8 +++- hw/usb/redirect.c | 24 +++++++--- hw/virtio/virtio-pci.c | 8 +++- hw/virtio/virtio.c | 15 ++++-- include/migration/vmstate.h | 19 ++++++-- migration/savevm.c | 7 ++- migration/vmstate.c | 113 +++++++++++++++++++++++++++++--------------- target-alpha/machine.c | 6 ++- target-arm/machine.c | 14 ++++-- target-i386/machine.c | 26 +++++++--- target-mips/machine.c | 14 ++++-- target-ppc/machine.c | 12 +++-- target-sparc/machine.c | 6 ++- 22 files changed, 262 insertions(+), 105 deletions(-)