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i2c:pm_smbus: Fix state transfer

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Transfer the state information for the SMBus registers and
internal data so it will work on a VM transfer.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Corey Minyard 2016-12-22 12:28:23 -06:00
parent 8e995f3403
commit 4ab2f2a8aa
4 changed files with 56 additions and 1 deletions
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31
hw/i2c/pm_smbus.c
View file

@ -19,6 +19,7 @@
*/
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/i2c/pm_smbus.h"
#include "hw/i2c/smbus_master.h"
@ -453,6 +454,36 @@ static const MemoryRegionOps pm_smbus_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
bool pm_smbus_vmstate_needed(void)
{
MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
return !mc->smbus_no_migration_support;
}
const VMStateDescription pmsmb_vmstate = {
.name = "pmsmb",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT8(smb_stat, PMSMBus),
VMSTATE_UINT8(smb_ctl, PMSMBus),
VMSTATE_UINT8(smb_cmd, PMSMBus),
VMSTATE_UINT8(smb_addr, PMSMBus),
VMSTATE_UINT8(smb_data0, PMSMBus),
VMSTATE_UINT8(smb_data1, PMSMBus),
VMSTATE_UINT32(smb_index, PMSMBus),
VMSTATE_UINT8_ARRAY(smb_data, PMSMBus, PM_SMBUS_MAX_MSG_SIZE),
VMSTATE_UINT8(smb_auxctl, PMSMBus),
VMSTATE_UINT8(smb_blkdata, PMSMBus),
VMSTATE_BOOL(i2c_enable, PMSMBus),
VMSTATE_BOOL(op_done, PMSMBus),
VMSTATE_BOOL(in_i2c_block_read, PMSMBus),
VMSTATE_BOOL(start_transaction_on_status_read, PMSMBus),
VMSTATE_END_OF_LIST()
}
};
void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk)
{
smb->op_done = true;