root / hw / sysbus.h @ bf3bc4c4
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1 | aae9460e | Paul Brook | #ifndef HW_SYSBUS_H
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2 | aae9460e | Paul Brook | #define HW_SYSBUS_H 1 |
3 | aae9460e | Paul Brook | |
4 | aae9460e | Paul Brook | /* Devices attached directly to the main system bus. */
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5 | aae9460e | Paul Brook | |
6 | aae9460e | Paul Brook | #include "qdev.h" |
7 | ec3bb837 | Avi Kivity | #include "memory.h" |
8 | aae9460e | Paul Brook | |
9 | f40070c3 | Blue Swirl | #define QDEV_MAX_MMIO 32 |
10 | c646f74f | Gleb Natapov | #define QDEV_MAX_PIO 32 |
11 | ea0e6841 | Evgeny Voevodin | #define QDEV_MAX_IRQ 512 |
12 | aae9460e | Paul Brook | |
13 | 0d936928 | Anthony Liguori | #define TYPE_SYSTEM_BUS "System" |
14 | 0d936928 | Anthony Liguori | #define SYSTEM_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
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15 | 0d936928 | Anthony Liguori | |
16 | aae9460e | Paul Brook | typedef struct SysBusDevice SysBusDevice; |
17 | aae9460e | Paul Brook | |
18 | 999e12bb | Anthony Liguori | #define TYPE_SYS_BUS_DEVICE "sys-bus-device" |
19 | 999e12bb | Anthony Liguori | #define SYS_BUS_DEVICE(obj) \
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20 | 999e12bb | Anthony Liguori | OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE) |
21 | 999e12bb | Anthony Liguori | #define SYS_BUS_DEVICE_CLASS(klass) \
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22 | 999e12bb | Anthony Liguori | OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE) |
23 | 999e12bb | Anthony Liguori | #define SYS_BUS_DEVICE_GET_CLASS(obj) \
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24 | 999e12bb | Anthony Liguori | OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE) |
25 | 999e12bb | Anthony Liguori | |
26 | 999e12bb | Anthony Liguori | typedef struct SysBusDeviceClass { |
27 | 999e12bb | Anthony Liguori | DeviceClass parent_class; |
28 | 999e12bb | Anthony Liguori | |
29 | 999e12bb | Anthony Liguori | int (*init)(SysBusDevice *dev);
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30 | 999e12bb | Anthony Liguori | } SysBusDeviceClass; |
31 | 999e12bb | Anthony Liguori | |
32 | aae9460e | Paul Brook | struct SysBusDevice {
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33 | aae9460e | Paul Brook | DeviceState qdev; |
34 | aae9460e | Paul Brook | int num_irq;
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35 | aae9460e | Paul Brook | qemu_irq irqs[QDEV_MAX_IRQ]; |
36 | aae9460e | Paul Brook | qemu_irq *irqp[QDEV_MAX_IRQ]; |
37 | aae9460e | Paul Brook | int num_mmio;
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38 | aae9460e | Paul Brook | struct {
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39 | a8170e5e | Avi Kivity | hwaddr addr; |
40 | ec3bb837 | Avi Kivity | MemoryRegion *memory; |
41 | aae9460e | Paul Brook | } mmio[QDEV_MAX_MMIO]; |
42 | c646f74f | Gleb Natapov | int num_pio;
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43 | c646f74f | Gleb Natapov | pio_addr_t pio[QDEV_MAX_PIO]; |
44 | aae9460e | Paul Brook | }; |
45 | aae9460e | Paul Brook | |
46 | aae9460e | Paul Brook | /* Macros to compensate for lack of type inheritance in C. */
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47 | aae9460e | Paul Brook | #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))
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48 | aae9460e | Paul Brook | #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)
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49 | aae9460e | Paul Brook | |
50 | aae9460e | Paul Brook | void *sysbus_new(void); |
51 | 750ecd44 | Avi Kivity | void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory);
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52 | 46c305ef | Peter Maydell | MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
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53 | aae9460e | Paul Brook | void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
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54 | aae9460e | Paul Brook | void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
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55 | c646f74f | Gleb Natapov | void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size);
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56 | aae9460e | Paul Brook | |
57 | aae9460e | Paul Brook | |
58 | aae9460e | Paul Brook | void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq); |
59 | a8170e5e | Avi Kivity | void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr); |
60 | a8170e5e | Avi Kivity | void sysbus_add_memory(SysBusDevice *dev, hwaddr addr,
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61 | 2b985d9c | Avi Kivity | MemoryRegion *mem); |
62 | a8170e5e | Avi Kivity | void sysbus_add_memory_overlap(SysBusDevice *dev, hwaddr addr,
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63 | d40b2af8 | Avi Kivity | MemoryRegion *mem, unsigned priority);
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64 | 2b985d9c | Avi Kivity | void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
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65 | a8170e5e | Avi Kivity | void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
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66 | 2b985d9c | Avi Kivity | MemoryRegion *mem); |
67 | 2b985d9c | Avi Kivity | void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
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68 | 62ec4832 | Avi Kivity | MemoryRegion *sysbus_address_space(SysBusDevice *dev); |
69 | aae9460e | Paul Brook | |
70 | aae9460e | Paul Brook | /* Legacy helper function for creating devices. */
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71 | aae9460e | Paul Brook | DeviceState *sysbus_create_varargs(const char *name, |
72 | a8170e5e | Avi Kivity | hwaddr addr, ...); |
73 | 4912371f | Blue Swirl | DeviceState *sysbus_try_create_varargs(const char *name, |
74 | a8170e5e | Avi Kivity | hwaddr addr, ...); |
75 | aae9460e | Paul Brook | static inline DeviceState *sysbus_create_simple(const char *name, |
76 | a8170e5e | Avi Kivity | hwaddr addr, |
77 | aae9460e | Paul Brook | qemu_irq irq) |
78 | aae9460e | Paul Brook | { |
79 | aae9460e | Paul Brook | return sysbus_create_varargs(name, addr, irq, NULL); |
80 | aae9460e | Paul Brook | } |
81 | aae9460e | Paul Brook | |
82 | 4912371f | Blue Swirl | static inline DeviceState *sysbus_try_create_simple(const char *name, |
83 | a8170e5e | Avi Kivity | hwaddr addr, |
84 | 4912371f | Blue Swirl | qemu_irq irq) |
85 | 4912371f | Blue Swirl | { |
86 | 4912371f | Blue Swirl | return sysbus_try_create_varargs(name, addr, irq, NULL); |
87 | 4912371f | Blue Swirl | } |
88 | 4912371f | Blue Swirl | |
89 | aae9460e | Paul Brook | #endif /* !HW_SYSBUS_H */ |