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| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2020-05-06 10:25:09 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2020-05-14 13:44:35 +0200 |
| commit | 51b19950ca62abce05b00eef30d9ebbfb8b15f46 (patch) | |
| tree | 8df164e4d950c0e97fbc962087a05a4c20e6bebf /include/hw/stream.h | |
| parent | e3a8926d0e91e6783157a9934bd6f59c7efaa992 (diff) | |
| download | qemu-51b19950ca62abce05b00eef30d9ebbfb8b15f46.zip | |
hw/core: stream: Add an end-of-packet flag
Some stream clients stream an endless stream of data while
other clients stream data in packets. Stream interfaces
usually have a way to signal the end of a packet or the
last beat of a transfer.
This adds an end-of-packet flag to the push interface.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-Id: <20200506082513.18751-6-edgar.iglesias@gmail.com>
Diffstat (limited to 'include/hw/stream.h')
| -rw-r--r-- | include/hw/stream.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/hw/stream.h b/include/hw/stream.h index d02f62ca89..ed09e83683 100644 --- a/include/hw/stream.h +++ b/include/hw/stream.h @@ -39,12 +39,13 @@ typedef struct StreamSlaveClass { * @obj: Stream slave to push to * @buf: Data to write * @len: Maximum number of bytes to write + * @eop: End of packet flag */ - size_t (*push)(StreamSlave *obj, unsigned char *buf, size_t len); + size_t (*push)(StreamSlave *obj, unsigned char *buf, size_t len, bool eop); } StreamSlaveClass; size_t -stream_push(StreamSlave *sink, uint8_t *buf, size_t len); +stream_push(StreamSlave *sink, uint8_t *buf, size_t len, bool eop); bool stream_can_push(StreamSlave *sink, StreamCanPushNotifyFn notify, |