471a9bc144
Sysbus devices have a range of MMIO regions they expose. The exact number of regions is device specific and internal information to the device model. Expose whether a region exists via a public interface. That way our platform bus enumeration code can dynamically determine how many regions exist. Signed-off-by: Alexander Graf <agraf@suse.de>
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
#ifndef HW_SYSBUS_H
|
|
#define HW_SYSBUS_H 1
|
|
|
|
/* Devices attached directly to the main system bus. */
|
|
|
|
#include "hw/qdev.h"
|
|
#include "exec/memory.h"
|
|
|
|
#define QDEV_MAX_MMIO 32
|
|
#define QDEV_MAX_PIO 32
|
|
|
|
#define TYPE_SYSTEM_BUS "System"
|
|
#define SYSTEM_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
|
|
|
|
typedef struct SysBusDevice SysBusDevice;
|
|
|
|
#define TYPE_SYS_BUS_DEVICE "sys-bus-device"
|
|
#define SYS_BUS_DEVICE(obj) \
|
|
OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE)
|
|
#define SYS_BUS_DEVICE_CLASS(klass) \
|
|
OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE)
|
|
#define SYS_BUS_DEVICE_GET_CLASS(obj) \
|
|
OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE)
|
|
|
|
/**
|
|
* SysBusDeviceClass:
|
|
* @init: Callback function invoked when the #DeviceState.realized property
|
|
* is changed to %true. Deprecated, new types inheriting directly from
|
|
* TYPE_SYS_BUS_DEVICE should use #DeviceClass.realize instead, new leaf
|
|
* types should consult their respective parent type.
|
|
*
|
|
* SysBusDeviceClass is not overriding #DeviceClass.realize, so derived
|
|
* classes overriding it are not required to invoke its implementation.
|
|
*/
|
|
|
|
#define SYSBUS_DEVICE_GPIO_IRQ "sysbus-irq"
|
|
|
|
typedef struct SysBusDeviceClass {
|
|
/*< private >*/
|
|
DeviceClass parent_class;
|
|
/*< public >*/
|
|
|
|
int (*init)(SysBusDevice *dev);
|
|
} SysBusDeviceClass;
|
|
|
|
struct SysBusDevice {
|
|
/*< private >*/
|
|
DeviceState parent_obj;
|
|
/*< public >*/
|
|
|
|
int num_mmio;
|
|
struct {
|
|
hwaddr addr;
|
|
MemoryRegion *memory;
|
|
} mmio[QDEV_MAX_MMIO];
|
|
int num_pio;
|
|
pio_addr_t pio[QDEV_MAX_PIO];
|
|
};
|
|
|
|
typedef int FindSysbusDeviceFunc(SysBusDevice *sbdev, void *opaque);
|
|
|
|
void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory);
|
|
MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
|
|
void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
|
|
void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
|
|
void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size);
|
|
|
|
|
|
bool sysbus_has_irq(SysBusDevice *dev, int n);
|
|
bool sysbus_has_mmio(SysBusDevice *dev, unsigned int n);
|
|
void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
|
|
bool sysbus_is_irq_connected(SysBusDevice *dev, int n);
|
|
qemu_irq sysbus_get_connected_irq(SysBusDevice *dev, int n);
|
|
void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr);
|
|
void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr,
|
|
int priority);
|
|
void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
|
|
MemoryRegion *mem);
|
|
MemoryRegion *sysbus_address_space(SysBusDevice *dev);
|
|
|
|
/* Call func for every dynamically created sysbus device in the system */
|
|
void foreach_dynamic_sysbus_device(FindSysbusDeviceFunc *func, void *opaque);
|
|
|
|
/* Legacy helper function for creating devices. */
|
|
DeviceState *sysbus_create_varargs(const char *name,
|
|
hwaddr addr, ...);
|
|
DeviceState *sysbus_try_create_varargs(const char *name,
|
|
hwaddr addr, ...);
|
|
static inline DeviceState *sysbus_create_simple(const char *name,
|
|
hwaddr addr,
|
|
qemu_irq irq)
|
|
{
|
|
return sysbus_create_varargs(name, addr, irq, NULL);
|
|
}
|
|
|
|
static inline DeviceState *sysbus_try_create_simple(const char *name,
|
|
hwaddr addr,
|
|
qemu_irq irq)
|
|
{
|
|
return sysbus_try_create_varargs(name, addr, irq, NULL);
|
|
}
|
|
|
|
#endif /* !HW_SYSBUS_H */
|