+++ /dev/null
-/* -*- c -*- */
-/*
- * Copyright 2007,2008 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef INCLUDED_GC_JOB_DESC_H
-#define INCLUDED_GC_JOB_DESC_H
-
-/*!
- * This file contains the structures that are used to describe how to
- * call "jobs" that execute on the SPEs. A "job" is a task, or piece of
- * work that you want to run on an SPE.
- *
- * There is code running in the SPE that knows how to interpret
- * these job descriptions. Thus, in most cases, the overhead
- * of invoking these is very low.
- *
- * The whole "job idea" is SPE centric. At first pass,
- * the PPE will be constructing jobs and enqueing them.
- * However, there is nothing in the implementation that
- * prohibits SPEs from creating their own jobs in the
- * future. Also, there is nothing prohibiting SPE-to-SPE
- * DMA's.
- *
- * SPE's dequeue and "pull" jobs to themselves, do the work, then
- * notify the entity that submitted the job.
- */
-
-#include "gc_types.h"
-#include "gc_job_desc_private.h"
-
-/*
- * This is C, not C++ code...
- *
- * ...and is used by both PPE and SPE code
- */
-__GC_BEGIN_DECLS
-
-
-//! opaque ID that specifies which code to invoke on the SPE
-typedef uint32_t gc_proc_id_t;
-#define GCP_UNKNOWN_PROC ((gc_proc_id_t) -1)
-
-
-//! final job status
-typedef enum {
- JS_OK,
- JS_SHUTTING_DOWN, // job mananger is shutting down
- JS_TOO_MANY_CLIENTS, // too many client threads
- JS_UNKNOWN_PROC, // didn't recognize the procedure ID
- JS_BAD_DIRECTION, // EA arg has invalid direction
- JS_BAD_EAH, // not all EA args have the same high 32 address bits
- JS_BAD_N_DIRECT, // too many direct args
- JS_BAD_N_EA, // too many EA args
- JS_ARGS_TOO_LONG, // total length of EA args exceeds limit
- JS_BAD_JUJU, // misc problem: you're having a bad day
- JS_BAD_JOB_DESC, // gc_job_desc was not allocated using mgr->alloc_job_desc()
-
-} gc_job_status_t;
-
-#define MAX_ARGS_DIRECT 8 // maximum number of args passed using "direct" method
-#define MAX_ARGS_EA 8 // maximum number of args passed via EA memory (dma)
-
-/*
- * We support two classes of arguments,
- * "direct", which are contained in the gc_job_desc_args and
- * "EA", which are copied in/out according to info in gc_job_desc_args
- */
-
-/*!
- * \brief Tag type of "direct" argument
- */
-typedef enum {
- GCT_S32,
- GCT_U32,
- GCT_S64,
- GCT_U64,
- GCT_FLOAT,
- GCT_DOUBLE,
- GCT_FLT_CMPLX,
- GCT_DBL_CMPLX,
- GCT_EADDR,
-
-} gc_tag_t;
-
-
-/*!
- * \brief union for passing "direct" argument
- */
-typedef union gc_arg_union
-{
- int32_t s32;
- uint32_t u32;
- int64_t s64;
- uint64_t u64;
- float f;
- double d;
- //float complex cf; // 64-bits (C99)
- //double complex cd; // 128-bits (C99)
- gc_eaddr_t ea; // 64-bits
-} _AL8 gc_arg_union_t;
-
-
-/*!
- * \brief "direct" input or output arguments
- */
-typedef struct gc_job_direct_args
-{
- uint32_t nargs; // # of "direct" args
- gc_tag_t tag[MAX_ARGS_DIRECT] _AL16; // type of direct arg[i]
- gc_arg_union_t arg[MAX_ARGS_DIRECT] _AL16; // direct argument values
-
-} _AL16 gc_job_direct_args_t;
-
-
-// specifies direction for args passed in EA memory
-
-#define GCJD_DMA_GET 0x01 // in to SPE
-#define GCJD_DMA_PUT 0x02 // out from SPE
-
-/*!
- * \brief Description of args passed in EA memory.
- * These are DMA'd between EA and LS as specified.
- */
-typedef struct gc_job_ea_arg {
- //! EA address of buffer
- gc_eaddr_t ea_addr;
-
- //! GC_JD_DMA_* get arg or put arg
- uint32_t direction;
-
- //! number of bytes to get
- uint32_t get_size;
-
- //! number of bytes to put
- uint32_t put_size;
-
-#if defined(__SPU__)
- //! local store address (filled in by SPU runtime)
- void *ls_addr;
- uint32_t _pad[2];
-#else
- uint32_t _pad[3];
-#endif
-
-} _AL16 gc_job_ea_arg_t;
-
-
-typedef struct gc_job_ea_args {
- uint32_t nargs;
- gc_job_ea_arg_t arg[MAX_ARGS_EA];
-
-} _AL16 gc_job_ea_args_t;
-
-
-/*!
- * \brief "job description" that is DMA'd to/from the SPE.
- */
-typedef struct gc_job_desc
-{
- gc_job_desc_private_t sys; // internals
- gc_job_status_t status; // what happened (output)
- gc_proc_id_t proc_id; // specifies which procedure to run
- gc_job_direct_args_t input; // direct args to SPE
- gc_job_direct_args_t output; // direct args from SPE
- gc_job_ea_args_t eaa; // args passed via EA memory
-
-} _AL128 gc_job_desc_t;
-
-
-/*!
- * type of procedure invoked on spu
- */
-typedef void (*gc_spu_proc_t)(const gc_job_direct_args_t *input,
- gc_job_direct_args_t *output,
- const gc_job_ea_args_t *eaa);
-
-#if !defined(__SPU__)
-
-static inline gc_job_desc_t *
-ea_to_jdp(gc_eaddr_t ea)
-{
- return (gc_job_desc_t *) ea_to_ptr(ea);
-}
-
-static inline gc_eaddr_t
-jdp_to_ea(gc_job_desc_t *item)
-{
- return ptr_to_ea(item);
-}
-
-#endif
-
-
-__GC_END_DECLS
-
-#endif /* INCLUDED_GC_JOB_DESC_H */
projects / debian / gnuradio / blobdiff