#define QDEV_H
#include "hw.h"
+#include "sys-queue.h"
typedef struct DeviceType DeviceType;
typedef struct DeviceProperty DeviceProperty;
+typedef struct BusState BusState;
+
/* This structure should not be accessed directly. We declare it here
so that it can be embedded in individual device state structures. */
-struct DeviceState
-{
+struct DeviceState {
const char *name;
DeviceType *type;
- void *bus;
+ BusState *parent_bus;
DeviceProperty *props;
- int num_irq_sink;
- qemu_irq *irq_sink;
int num_gpio_out;
qemu_irq *gpio_out;
int num_gpio_in;
qemu_irq *gpio_in;
+ LIST_HEAD(, BusState) child_bus;
+ NICInfo *nd;
+ LIST_ENTRY(DeviceState) sibling;
+};
+
+typedef enum {
+ BUS_TYPE_SYSTEM,
+ BUS_TYPE_PCI,
+ BUS_TYPE_SCSI,
+ BUS_TYPE_I2C,
+ BUS_TYPE_SSI
+} BusType;
+
+struct BusState {
+ DeviceState *parent;
+ const char *name;
+ BusType type;
+ LIST_HEAD(, DeviceState) children;
+ LIST_ENTRY(BusState) sibling;
};
/*** Board API. This should go away once we have a machine config file. ***/
-DeviceState *qdev_create(void *bus, const char *name);
+DeviceState *qdev_create(BusState *bus, const char *name);
void qdev_init(DeviceState *dev);
+void qdev_free(DeviceState *dev);
/* Set properties between creation and init. */
-void qdev_set_prop_int(DeviceState *dev, const char *name, int value);
+void qdev_set_prop_int(DeviceState *dev, const char *name, uint64_t value);
void qdev_set_prop_ptr(DeviceState *dev, const char *name, void *value);
+void qdev_set_netdev(DeviceState *dev, NICInfo *nd);
-qemu_irq qdev_get_irq_sink(DeviceState *dev, int n);
qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin);
+BusState *qdev_get_child_bus(DeviceState *dev, const char *name);
+
/*** Device API. ***/
-typedef void (*qdev_initfn)(DeviceState *dev, void *opaque);
+typedef struct DeviceInfo DeviceInfo;
-DeviceType *qdev_register(const char *name, int size, qdev_initfn init,
- void *opaque);
+typedef void (*qdev_initfn)(DeviceState *dev, DeviceInfo *info);
+typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv,
+ int unit);
+
+struct DeviceInfo {
+ qdev_initfn init;
+ BusType bus_type;
+};
+
+void qdev_register(const char *name, int size, DeviceInfo *info);
/* Register device properties. */
-void qdev_init_irq_sink(DeviceState *dev, qemu_irq_handler handler, int nirq);
+/* GPIO inputs also double as IRQ sinks. */
void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n);
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n);
+void scsi_bus_new(DeviceState *host, SCSIAttachFn attach);
+
CharDriverState *qdev_init_chardev(DeviceState *dev);
-void *qdev_get_bus(DeviceState *dev);
+BusState *qdev_get_parent_bus(DeviceState *dev);
uint64_t qdev_get_prop_int(DeviceState *dev, const char *name, uint64_t def);
void *qdev_get_prop_ptr(DeviceState *dev, const char *name);
#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
#endif
+/*** BUS API. ***/
+
+BusState *qbus_create(BusType type, size_t size,
+ DeviceState *parent, const char *name);
+
+#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
+
#endif