motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 00:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

qdev child bus support

Browse source 
Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-14 22:35:06 +01:00
parent aae9460e24
commit 4d6ae6741e
2 changed files with 36 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

30
hw/qdev.c
View file

@ -46,6 +46,12 @@ struct DeviceType {
DeviceType *next;
};
struct ChildBusList {
const char *name;
void *ptr;
ChildBusList *next;
};
static DeviceType *device_type_list;
/* Register a new device type. */
@ -235,3 +241,27 @@ BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type)
}
return drives_table[index].bdrv;
}
void *qdev_get_child_bus(DeviceState *dev, const char *name)
{
ChildBusList *bus;
for (bus = dev->child_bus; bus; bus = bus->next) {
if (strcmp(name, bus->name) == 0) {
return bus->ptr;
}
}
return NULL;
}
void qdev_attach_child_bus(DeviceState *dev, const char *name, void *bus)
{
ChildBusList *p;
assert(!qdev_get_child_bus(dev, name));
p = qemu_mallocz(sizeof(*p));
p->name = qemu_strdup(name);
p->ptr = bus;
p->next = dev->child_bus;
dev->child_bus = p;
}