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/*
* Unix Eicon active card driver
* XLOG related functions
*
* Copyright (C) Eicon Technology Corporation, 2000.
*
* Eicon File Revision : 1.2
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#include "sys.h"
#include "idi.h"
#include "pc.h"
#include "pc_maint.h"
#include "divalog.h"
#include "adapter.h"
#include "uxio.h"
/*
* convert/copy XLOG info into a KLOG entry
*/
static
void xlog_to_klog(byte *b, int size, int card_num)
{
typedef struct
{
word code;
word time_hi;
word time_lo;
word xcode;
byte data[2];
} card_xlog_t;
card_xlog_t *x;
klog_t klog;
x = (card_xlog_t *) b;
memset(&klog, 0, sizeof(klog));
klog.time_stamp = (dword) x->time_hi;
klog.time_stamp = (klog.time_stamp << 16) | (dword) x->time_lo;
klog.length = size > sizeof(klog.buffer) ? sizeof(klog.buffer) : size;
klog.card = card_num;
if (x->code == 1)
{
klog.type = KLOG_XTXT_MSG;
klog.code = 0;
memcpy(klog.buffer, &x->xcode, klog.length);
}
else if (x->code == 2)
{
klog.type = KLOG_XLOG_MSG;
klog.code = x->xcode;
memcpy(klog.buffer, &x->data, klog.length);
}
else
{
char *c; int i;
klog.type = KLOG_TEXT_MSG;
klog.code = 0;
c = "divas: invalid xlog message code from card";
i = 0;
while (*c)
{
klog.buffer[i] = *c;
c++;
i++;
}
klog.buffer[i] = *c;
}
/* send to the log driver and return */
DivasLogAdd(&klog, sizeof(klog));
return;
}
/*
* send an XLOG request down to specified card
* if response available from previous request then read it
* if not then just send down new request, ready for next time
*/
void DivasXlogReq(int card_num)
{
card_t *card;
ADAPTER *a;
if ((card_num < 0) || (card_num > DivasCardNext))
{
DPRINTF(("xlog: invalid card number"));
return;
}
card = &DivasCards[card_num];
if (DivasXlogRetrieve(card))
{
return;
}
/* send down request for next time */
a = &card->a;
a->ram_out(a, (word *) (card->xlog_offset + 1), 0);
a->ram_out(a, (word *) (dword) (card->xlog_offset), DO_LOG);
return;
}
/*
* retrieve XLOG request from specified card
* returns non-zero if new request sent to card
*/
int DivasXlogRetrieve(card_t *card)
{
ADAPTER *a;
struct mi_pc_maint pcm;
a = &card->a;
/* get status of last request */
pcm.rc = a->ram_in(a, (word *)(card->xlog_offset + 1));
/* if nothing there from previous request, send down a new one */
if (pcm.rc == OK)
{
/* read in response */
a->ram_in_buffer(a, (word *) (dword) card->xlog_offset, &pcm, sizeof(pcm));
xlog_to_klog((byte *) &pcm.data, sizeof(pcm.data),
(int) (card - DivasCards));
}
/* if any response received from card, re-send request */
if (pcm.rc)
{
a->ram_out(a, (word *) (card->xlog_offset + 1), 0);
a->ram_out(a, (word *) (dword) (card->xlog_offset), DO_LOG);
return 1;
}
return 0;
}
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