Documentation Index
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dspqueue_packet_flags| Name | Value | Description |
|---|---|---|
DSPQUEUE_PACKET_FLAG_MESSAGE | = 0x0001 | Packet contains a message. |
DSPQUEUE_PACKET_FLAG_BUFFERS | = 0x0002 | Packet contains buffer references. |
DSPQUEUE_PACKET_FLAG_WAKEUP | = 0x0004 | Early wakeup packet. |
DSPQUEUE_PACKET_FLAG_DRIVER_READY | = 0x0008 | Packet is ready for driver consumption. |
DSPQUEUE_PACKET_FLAG_USER_READY | = 0x0010 | Packet is ready for userspace library consumption. |
DSPQUEUE_PACKET_FLAG_RESERVED_ZERO | = 0xffe0 |
dspqueue_buffer_flags| Name | Value | Description |
|---|---|---|
DSPQUEUE_BUFFER_FLAG_REF | = 0x00000004 | Add a reference to a previously mapped buffer. |
DSPQUEUE_BUFFER_FLAG_DEREF | = 0x00000008 | Remove a reference from a previously mapped buffer. |
DSPQUEUE_BUFFER_FLAG_FLUSH_SENDER | = 0x00000010 | Flush buffer from sender caches. |
DSPQUEUE_BUFFER_FLAG_INVALIDATE_SENDER | = 0x00000020 | Invalidate buffer from sender caches. |
DSPQUEUE_BUFFER_FLAG_FLUSH_RECIPIENT | = 0x00000040 | Flush buffer from recipient caches. |
DSPQUEUE_BUFFER_FLAG_INVALIDATE_RECIPIENT | = 0x00000080 | Invalidate buffer from recipient caches. |
DSPQUEUE_BUFFER_FLAG_RESERVED_ZERO | = 0xffffff00 |
dspqueue_stat| Name | Value | Description |
|---|---|---|
DSPQUEUE_STAT_READ_QUEUE_PACKETS | = 1 | Numbers of packets in the read queue. |
DSPQUEUE_STAT_READ_QUEUE_BYTES | Number of bytes in the read queue. | |
DSPQUEUE_STAT_WRITE_QUEUE_PACKETS | Number of packets in the write queue. | |
DSPQUEUE_STAT_WRITE_QUEUE_BYTES | Number of bytes in the write queue. | |
DSPQUEUE_STAT_EARLY_WAKEUP_WAIT_TIME | Total accumulated early wakeup wait time in microseconds. | |
DSPQUEUE_STAT_EARLY_WAKEUP_MISSES | Number accumulated of packets missed in the early wakeup loop. | |
DSPQUEUE_STAT_SIGNALING_PERF | Signaling performance; 0 or undefined indicates the first implementation, DSPQUEUE_SIGNALING_PERF_REDUCED_SIGNALING or higher a version if reduced signaling for polling clients. |
dspqueue_request_req_id| Name | Value | Description |
|---|---|---|
DSPQUEUE_CREATE |
DSPQUEUE_TIMEOUT_NONE#define DSPQUEUE_TIMEOUT_NONE 0xffffffff
DSPQUEUE_SIGNALING_PERF_REDUCED_SIGNALING#define DSPQUEUE_SIGNALING_PERF_REDUCED_SIGNALING 100
DSPQUEUE_SIGNALING_PERF_OPTIMIZED_SIGNALING#define DSPQUEUE_SIGNALING_PERF_OPTIMIZED_SIGNALING 1000
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