diff options
Diffstat (limited to 'qemu/include/hw/stream.h')
-rw-r--r-- | qemu/include/hw/stream.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/qemu/include/hw/stream.h b/qemu/include/hw/stream.h deleted file mode 100644 index 30ccc5620..000000000 --- a/qemu/include/hw/stream.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef STREAM_H -#define STREAM_H 1 - -#include "qemu-common.h" -#include "qom/object.h" - -/* stream slave. Used until qdev provides a generic way. */ -#define TYPE_STREAM_SLAVE "stream-slave" - -#define STREAM_SLAVE_CLASS(klass) \ - OBJECT_CLASS_CHECK(StreamSlaveClass, (klass), TYPE_STREAM_SLAVE) -#define STREAM_SLAVE_GET_CLASS(obj) \ - OBJECT_GET_CLASS(StreamSlaveClass, (obj), TYPE_STREAM_SLAVE) -#define STREAM_SLAVE(obj) \ - INTERFACE_CHECK(StreamSlave, (obj), TYPE_STREAM_SLAVE) - -typedef struct StreamSlave { - Object Parent; -} StreamSlave; - -typedef void (*StreamCanPushNotifyFn)(void *opaque); - -typedef struct StreamSlaveClass { - InterfaceClass parent; - /** - * can push - determine if a stream slave is capable of accepting at least - * one byte of data. Returns false if cannot accept. If not implemented, the - * slave is assumed to always be capable of receiving. - * @notify: Optional callback that the slave will call when the slave is - * capable of receiving again. Only called if false is returned. - * @notify_opaque: opaque data to pass to notify call. - */ - bool (*can_push)(StreamSlave *obj, StreamCanPushNotifyFn notify, - void *notify_opaque); - /** - * push - push data to a Stream slave. The number of bytes pushed is - * returned. If the slave short returns, the master must wait before trying - * again, the slave may continue to just return 0 waiting for the vm time to - * advance. The can_push() function can be used to trap the point in time - * where the slave is ready to receive again, otherwise polling on a QEMU - * timer will work. - * @obj: Stream slave to push to - * @buf: Data to write - * @len: Maximum number of bytes to write - */ - size_t (*push)(StreamSlave *obj, unsigned char *buf, size_t len); -} StreamSlaveClass; - -size_t -stream_push(StreamSlave *sink, uint8_t *buf, size_t len); - -bool -stream_can_push(StreamSlave *sink, StreamCanPushNotifyFn notify, - void *notify_opaque); - - -#endif /* STREAM_H */ |