3 * Copyright 2007,2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #ifndef INCLUDED_GCELL_GC_JD_QUEUE_DATA_H
23 #define INCLUDED_GCELL_GC_JD_QUEUE_DATA_H
25 #include <gcell/gc_types.h>
26 #include <gcell/gc_job_desc.h>
31 * \brief (Lock free someday...) queue for job descriptors
33 * This is the main data structure shared between PPEs and SPEs.
34 * It is used to enqueue work for SPEs. SPEs or PPEs may enqueue
35 * work. SPE's dequeue from here.
37 * FIXME make it lock free ;) For now, use a spin lock.
39 * (Fills a single cache line)
41 typedef struct gc_jd_queue
43 gc_eaddr_t head _AL16;
44 gc_eaddr_t tail _AL16;
45 uint32_t mutex _AL16; // libsync mutex (spin lock)
46 } _AL128 gc_jd_queue_t;
50 #endif /* INCLUDED_GCELL_GC_JD_QUEUE_DATA_H */