Revision 02e2da45 hw/qdev.h
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#define QDEV_H |
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#include "hw.h" |
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#include "sys-queue.h" |
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typedef struct DeviceType DeviceType; |
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typedef struct DeviceProperty DeviceProperty; |
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typedef struct ChildBusList ChildBusList;
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typedef struct BusState BusState;
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/* This structure should not be accessed directly. We declare it here |
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so that it can be embedded in individual device state structures. */ |
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struct DeviceState |
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{
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struct DeviceState {
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const char *name; |
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DeviceType *type; |
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void *bus;
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BusState *parent_bus;
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DeviceProperty *props; |
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int num_irq_sink; |
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qemu_irq *irq_sink; |
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qemu_irq *gpio_out; |
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int num_gpio_in; |
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qemu_irq *gpio_in; |
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ChildBusList *child_bus;
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LIST_HEAD(, BusState) child_bus;
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NICInfo *nd; |
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LIST_ENTRY(DeviceState) sibling; |
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}; |
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typedef enum {
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BUS_TYPE_SYSTEM, |
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BUS_TYPE_PCI, |
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BUS_TYPE_SCSI, |
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BUS_TYPE_I2C, |
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BUS_TYPE_SSI |
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} BusType; |
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struct BusState {
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DeviceState *parent; |
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const char *name; |
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BusType type; |
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LIST_HEAD(, DeviceState) children; |
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LIST_ENTRY(BusState) sibling; |
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}; |
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/*** Board API. This should go away once we have a machine config file. ***/ |
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DeviceState *qdev_create(void *bus, const char *name);
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DeviceState *qdev_create(BusState *bus, const char *name);
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void qdev_init(DeviceState *dev); |
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void qdev_free(DeviceState *dev); |
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/* Set properties between creation and init. */ |
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void qdev_set_prop_int(DeviceState *dev, const char *name, uint64_t value); |
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qemu_irq qdev_get_gpio_in(DeviceState *dev, int n); |
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void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); |
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void *qdev_get_child_bus(DeviceState *dev, const char *name);
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BusState *qdev_get_child_bus(DeviceState *dev, const char *name);
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/*** Device API. ***/ |
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typedef void (*qdev_initfn)(DeviceState *dev, void *opaque); |
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typedef struct DeviceInfo DeviceInfo; |
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typedef void (*qdev_initfn)(DeviceState *dev, DeviceInfo *info); |
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typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv, |
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int unit); |
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DeviceType *qdev_register(const char *name, int size, qdev_initfn init, |
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void *opaque); |
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struct DeviceInfo {
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qdev_initfn init; |
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BusType bus_type; |
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}; |
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void qdev_register(const char *name, int size, DeviceInfo *info); |
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/* Register device properties. */ |
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void qdev_init_irq_sink(DeviceState *dev, qemu_irq_handler handler, int nirq); |
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void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); |
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void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); |
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void qdev_attach_child_bus(DeviceState *dev, const char *name, void *bus); |
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void scsi_bus_new(DeviceState *host, SCSIAttachFn attach); |
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CharDriverState *qdev_init_chardev(DeviceState *dev); |
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void *qdev_get_bus(DeviceState *dev);
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BusState *qdev_get_parent_bus(DeviceState *dev);
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uint64_t qdev_get_prop_int(DeviceState *dev, const char *name, uint64_t def); |
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void *qdev_get_prop_ptr(DeviceState *dev, const char *name); |
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#define DO_UPCAST(type, field, dev) container_of(dev, type, field) |
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#endif |
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/*** BUS API. ***/ |
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BusState *qbus_create(BusType type, size_t size, |
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DeviceState *parent, const char *name); |
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#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev) |
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#endif |
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