From 4ab2f2a8aabfea95cc53c64e13b3f67960b27fdf Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Thu, 22 Dec 2016 12:28:23 -0600 Subject: i2c:pm_smbus: Fix state transfer Transfer the state information for the SMBus registers and internal data so it will work on a VM transfer. Signed-off-by: Corey Minyard Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Dr. David Alan Gilbert Reviewed-by: Dr. David Alan Gilbert --- include/hw/i2c/pm_smbus.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include') diff --git a/include/hw/i2c/pm_smbus.h b/include/hw/i2c/pm_smbus.h index 7bcca97..fb55c44 100644 --- a/include/hw/i2c/pm_smbus.h +++ b/include/hw/i2c/pm_smbus.h @@ -43,4 +43,13 @@ typedef struct PMSMBus { void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk); +/* + * For backwards compatibility on migration, older versions don't have + * working migration for pm_smbus, this lets us ignore the migrations + * for older machine versions. + */ +bool pm_smbus_vmstate_needed(void); + +extern const VMStateDescription pmsmb_vmstate; + #endif /* PM_SMBUS_H */ -- cgit v1.1