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/* libspe - A wrapper library to adapt the JSRE SPE usage model to SPUFS
* Copyright (C) 2005 IBM Corp.
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License,
* or (at your option) any later version.
* This library 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 Lesser General Public
* License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <libspe.h>
#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/poll.h>
#include "spe.h"
#include "create.h"
#define __PRINTF(fmt, args...) { fprintf(stderr,fmt , ## args); }
#ifdef DEBUG
#define DEBUG_PRINTF(fmt, args...) __PRINTF(fmt , ## args)
#else
#define DEBUG_PRINTF(fmt, args...)
#endif
int spe_mfc_put (speid_t spe, unsigned src, void *dst,
unsigned size, unsigned short tag,
unsigned char tid, unsigned char rid)
{
struct thread_store *speid = spe;
return _base_spe_mfcio_put(speid->spectx,
src,
dst,
size,
tag,
tid,
rid);
}
int spe_mfc_putf(speid_t spe, unsigned src, void *dst,
unsigned size, unsigned short tag,
unsigned char tid, unsigned char rid)
{
struct thread_store *speid = spe;
return _base_spe_mfcio_putf(speid->spectx,
src,
dst,
size,
tag,
tid,
rid);
}
int spe_mfc_putb(speid_t spe, unsigned src, void *dst,
unsigned size, unsigned short tag,
unsigned char tid, unsigned char rid)
{
struct thread_store *speid = spe;
return _base_spe_mfcio_putb(speid->spectx,
src,
dst,
size,
tag,
tid,
rid);
}
int spe_mfc_get (speid_t spe, unsigned dst, void *src,
unsigned size, unsigned short tag,
unsigned char tid, unsigned char rid)
{
struct thread_store *speid = spe;
return _base_spe_mfcio_get(speid->spectx,
dst,
src,
size,
tag,
tid,
rid);
}
int spe_mfc_getf(speid_t spe, unsigned dst, void *src,
unsigned size, unsigned short tag,
unsigned char tid, unsigned char rid)
{
struct thread_store *speid = spe;
return _base_spe_mfcio_getf(speid->spectx,
dst,
src,
size,
tag,
tid,
rid);
}
int spe_mfc_getb(speid_t spe, unsigned dst, void *src,
unsigned size, unsigned short tag,
unsigned char tid, unsigned char rid)
{
struct thread_store *speid = spe;
return _base_spe_mfcio_getb(speid->spectx,
dst,
src,
size,
tag,
tid,
rid);
}
/* MFC Read tag status functions
*
*/
static int read_tag_status_noblock(speid_t speid)
{
struct thread_store *spe = speid;
int r_read = 0;
unsigned int ret;
int mfcfd;
mfcfd = _base_spe_open_if_closed(spe->spectx, FD_MFC, 0);
r_read = read(mfcfd,&ret,4);
if (r_read == 4)
{
return ret;
}
return -1;
}
static int read_tag_status_async(speid_t speid)
{
struct thread_store *spe = speid;
struct pollfd poll_fd;
int r_read = 0;
unsigned int ret;
int mfcfd;
mfcfd = _base_spe_open_if_closed(spe->spectx, FD_MFC, 0);
poll_fd.fd = mfcfd;
poll_fd.events = POLLIN;
ret = poll(&poll_fd, 1, -1);
if (ret < 0 || !(poll_fd.revents | POLLIN))
return -1;
r_read = read(mfcfd,&ret,4);
if (r_read == 4)
{
return ret;
}
return -1;
}
int spe_mfc_read_tag_status_all(speid_t speid, unsigned int mask)
{
int status;
if ((status = read_tag_status_noblock(speid)) == -1)
return -1;
while ((status & mask) != mask)
{
if ((status = read_tag_status_async(speid)) == -1)
return -1;
}
return status & mask;
}
int spe_mfc_read_tag_status_any(speid_t speid, unsigned int mask)
{
int status;
if ((status = read_tag_status_noblock(speid)) == -1)
return -1;
while ((status & mask) == 0)
{
if ((status = read_tag_status_async(speid)) == -1)
return -1;
}
return status & mask;
}
int spe_mfc_read_tag_status_immediate(speid_t speid, unsigned int mask)
{
int status;
if ((status = read_tag_status_noblock(speid)) == -1)
return -1;
return status & mask ;
}
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