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qdev: add qdev_prop_exists()

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Function test whenever a driver has a specific property.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-10-21 15:25:28 +02:00 • committed by Anthony Liguori
parent 93db66850d
commit d8ed79aea7
2 changed files with 6 additions and 0 deletions
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5
hw/qdev-properties.c
View file

@ -480,6 +480,11 @@ static Property *qdev_prop_find(DeviceState *dev, const char *name)
return NULL; return NULL;
} }
int qdev_prop_exists(DeviceState *dev, const char *name)
{
return qdev_prop_find(dev, name) ? true : false;
}
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
{ {
Property *prop; Property *prop;

1
hw/qdev.h
View file

@ -249,6 +249,7 @@ extern PropertyInfo qdev_prop_pci_devfn;
/* Set properties between creation and init. */ /* Set properties between creation and init. */
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop); void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
int qdev_prop_exists(DeviceState *dev, const char *name);
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value); int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type); void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type);
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value); void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);