5 files changed, 20 insertions, 3 deletions
diff --git a/include/hw/i2c/bitbang_i2c.h b/include/hw/i2c/bitbang_i2c.h
new file mode 100644
index 0000000000..3a7126d5de
--- /dev/null
+++ b/include/hw/i2c/bitbang_i2c.h
@@ -0,0 +1,14 @@
+#ifndef BITBANG_I2C_H
+#define BITBANG_I2C_H
+
+#include "hw/i2c/i2c.h"
+
+typedef struct bitbang_i2c_interface bitbang_i2c_interface;
+
+#define BITBANG_I2C_SDA 0
+#define BITBANG_I2C_SCL 1
+
+bitbang_i2c_interface *bitbang_i2c_init(I2CBus *bus);
+int bitbang_i2c_set(bitbang_i2c_interface *i2c, int line, int level);
+
+#endif
diff --git a/include/hw/i2c/i2c.h b/include/hw/i2c/i2c.h
index 8e236f7bb4..75c5bd638b 100644
--- a/include/hw/i2c/i2c.h
+++ b/include/hw/i2c/i2c.h
@@ -81,8 +81,6 @@ uint8_t i2c_recv(I2CBus *bus);
 
 DeviceState *i2c_create_slave(I2CBus *bus, const char *name, uint8_t addr);
 
-typedef struct bitbang_i2c_interface bitbang_i2c_interface;
-
 /* lm832x.c */
 void lm832x_key_event(DeviceState *dev, int key, int state);
 
diff --git a/include/hw/i2c/ppc4xx_i2c.h b/include/hw/i2c/ppc4xx_i2c.h
index aa2a2bf9de..8437bf070b 100644
--- a/include/hw/i2c/ppc4xx_i2c.h
+++ b/include/hw/i2c/ppc4xx_i2c.h
@@ -28,7 +28,7 @@
 #define PPC4XX_I2C_H
 
 #include "hw/sysbus.h"
-#include "hw/i2c/i2c.h"
+#include "hw/i2c/bitbang_i2c.h"
 
 #define TYPE_PPC4xx_I2C "ppc4xx-i2c"
 #define PPC4xx_I2C(obj) OBJECT_CHECK(PPC4xxI2CState, (obj), TYPE_PPC4xx_I2C)
diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h
index 7cc183ef43..d033387fba 100644
--- a/include/hw/s390x/css.h
+++ b/include/hw/s390x/css.h
@@ -215,6 +215,9 @@ IOInstEnding s390_ccw_cmd_request(SubchDev *sch);
 IOInstEnding do_subchannel_work_virtual(SubchDev *sub);
 IOInstEnding do_subchannel_work_passthrough(SubchDev *sub);
 
+int s390_ccw_halt(SubchDev *sch);
+int s390_ccw_clear(SubchDev *sch);
+
 typedef enum {
     CSS_IO_ADAPTER_VIRTIO = 0,
     CSS_IO_ADAPTER_PCI = 1,
diff --git a/include/hw/s390x/s390-ccw.h b/include/hw/s390x/s390-ccw.h
index 901d805d79..fffb54562f 100644
--- a/include/hw/s390x/s390-ccw.h
+++ b/include/hw/s390x/s390-ccw.h
@@ -35,6 +35,8 @@ typedef struct S390CCWDeviceClass {
     void (*realize)(S390CCWDevice *dev, char *sysfsdev, Error **errp);
     void (*unrealize)(S390CCWDevice *dev, Error **errp);
     IOInstEnding (*handle_request) (SubchDev *sch);
+    int (*handle_halt) (SubchDev *sch);
+    int (*handle_clear) (SubchDev *sch);
 } S390CCWDeviceClass;
 
 #endif