i2c: smbus: convert to QEMU Object Model

This converts two types because smbus is implemented as a subclass of i2c.  It's
extremely difficult to convert these two independently.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 28 insertions, 14 deletions

diff --git a/hw/smbus.h b/hw/smbus.h
index 2f2d49e29e..90fadee56e 100644
--- a/hw/smbus.h
+++ b/hw/smbus.h
@@ -1,3 +1,6 @@
+#ifndef QEMU_SMBUS_H
+#define QEMU_SMBUS_H
+
 /*
  * QEMU SMBus API
  *
@@ -24,19 +27,17 @@
 
 #include "i2c.h"
 
-struct SMBusDevice {
-    /* The SMBus protocol is implemented on top of I2C.  */
-    I2CSlave i2c;
-
-    /* Remaining fields for internal use only.  */
-    int mode;
-    int data_len;
-    uint8_t data_buf[34]; /* command + len + 32 bytes of data.  */
-    uint8_t command;
-};
+#define TYPE_SMBUS_DEVICE "smbus-device"
+#define SMBUS_DEVICE(obj) \
+     OBJECT_CHECK(SMBusDevice, (obj), TYPE_SMBUS_DEVICE)
+#define SMBUS_DEVICE_CLASS(klass) \
+     OBJECT_CLASS_CHECK(SMBusDeviceClass, (klass), TYPE_SMBUS_DEVICE)
+#define SMBUS_DEVICE_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(SMBusDeviceClass, (obj), TYPE_SMBUS_DEVICE)
 
-typedef struct {
-    I2CSlaveInfo i2c;
+typedef struct SMBusDeviceClass
+{
+    I2CSlaveClass parent_class;
     int (*init)(SMBusDevice *dev);
     void (*quick_cmd)(SMBusDevice *dev, uint8_t read);
     void (*send_byte)(SMBusDevice *dev, uint8_t val);
@@ -51,9 +52,20 @@ typedef struct {
        byte at a time.  The device is responsible for adding the length
        byte on block reads.  */
     uint8_t (*read_data)(SMBusDevice *dev, uint8_t cmd, int n);
-} SMBusDeviceInfo;
+} SMBusDeviceClass;
 
-void smbus_register_device(SMBusDeviceInfo *info);
+struct SMBusDevice {
+    /* The SMBus protocol is implemented on top of I2C.  */
+    I2CSlave i2c;
+
+    /* Remaining fields for internal use only.  */
+    int mode;
+    int data_len;
+    uint8_t data_buf[34]; /* command + len + 32 bytes of data.  */
+    uint8_t command;
+};
+
+void smbus_register_device(DeviceInfo *info);
 
 /* Master device commands.  */
 void smbus_quick_command(i2c_bus *bus, uint8_t addr, int read);
@@ -69,3 +81,5 @@ void smbus_write_block(i2c_bus *bus, uint8_t addr, uint8_t command, uint8_t *dat
 
 void smbus_eeprom_init(i2c_bus *smbus, int nb_eeprom,
                        const uint8_t *eeprom_spd, int size);
+
+#endif