aboutsummaryrefslogtreecommitdiff
path: root/hw/i2c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/i2c')
-rw-r--r--hw/i2c/pm_smbus.c31
-rw-r--r--hw/i2c/smbus_ich9.c10
2 files changed, 40 insertions, 1 deletions
diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c
index 81d2a425ec..e48544f909 100644
--- a/hw/i2c/pm_smbus.c
+++ b/hw/i2c/pm_smbus.c
@@ -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;
diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c
index e6d8d28194..7b24be8256 100644
--- a/hw/i2c/smbus_ich9.c
+++ b/hw/i2c/smbus_ich9.c
@@ -43,12 +43,20 @@ typedef struct ICH9SMBState {
PMSMBus smb;
} ICH9SMBState;
+static bool ich9_vmstate_need_smbus(void *opaque, int version_id)
+{
+ return pm_smbus_vmstate_needed();
+}
+
static const VMStateDescription vmstate_ich9_smbus = {
.name = "ich9_smb",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_PCI_DEVICE(dev, struct ICH9SMBState),
+ VMSTATE_PCI_DEVICE(dev, ICH9SMBState),
+ VMSTATE_BOOL_TEST(irq_enabled, ICH9SMBState, ich9_vmstate_need_smbus),
+ VMSTATE_STRUCT_TEST(smb, ICH9SMBState, ich9_vmstate_need_smbus, 1,
+ pmsmb_vmstate, PMSMBus),
VMSTATE_END_OF_LIST()
}
};