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/*
(c) Copyright 2011 Denis Oliver Kropp <dok@directfb.org>
All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#ifndef __ONE_TYPES_H__
#define __ONE_TYPES_H__
/**********************************************************************************************************************
** Queues
*/
/*
* The One Queue ID is a unique identifier for one queue.
*/
typedef uint32_t OneQID;
#define ONE_QID_NONE 0
/*
* Queue Flags
*/
typedef enum {
ONE_QUEUE_NO_FLAGS = 0x00000000,
ONE_QUEUE_VIRTUAL = 0x00000001, /* Virtual Queue, has no receive buffers, only forwards to attached queues */
} OneQueueFlags;
/*
* Packet Header Flags
*/
typedef enum {
ONE_PACKET_NO_FLAGS = 0x00000000,
ONE_PACKET_COMPRESSED = 0x00000001 /* Compressed Packet */
} OnePacketHeaderFlags;
/*
* Packet Header
*/
typedef struct {
OneQID queue_id; /* Queue ID this packet is sent to */
OnePacketHeaderFlags flags; /* Packet Flags */
uint32_t size; /* Packet Size */
uint32_t uncompressed; /* Packet Size after decompression */
} OnePacketHeader;
/*
New QID for global messaging
16-byte
2 byte reserved
2 byte name space
8 byte system within name space (one kernel module instance for example)
4 byte queue id within system
Public name space "MAC" with system IDs
6 byte MAC address
2 byte sub address (e.g. multiple systems on a board with one ethernet connection)
Public name space "random" ??
8 byte random
Private name spaces could be defined, e.g. for systems without a MAC address.
*/
#endif
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