static
void req_queue(ADAPTER * a, byte e_no)
{
card_t *card;
int ipl;
card = a->io;
ipl = UxCardLock(card->hw);
card->e_tbl[e_no].next = 0;
if (card->e_head)
{
card->e_tbl[card->e_tail].next = e_no;
card->e_tail = e_no;
}
else
{
card->e_head = e_no;
card->e_tail = e_no;
}
UxCardUnlock(card->hw, ipl);
return;
}
static
byte get_assign(ADAPTER *a, word ref)
{
card_t *card;
byte e_no;
int ipl;
card = a->io;
ipl = UxCardLock(card->hw);
e_no = (byte)card->assign;
while (e_no)
{
if (card->e_tbl[e_no].assign_ref == ref)
{
break;
}
e_no = card->e_tbl[e_no].next;
}
UxCardUnlock(card->hw, ipl);
return e_no;
}
static
void free_entity(ADAPTER *a, byte e_no)
{
card_t *card;
int ipl;
card = a->io;
ipl = UxCardLock(card->hw);
card->e_tbl[e_no].e = NULL;
card->e_count--;
UxCardUnlock(card->hw, ipl);
return;
}
long UxInterlockedDecrement(ux_diva_card_t *card, long *dst)
{
register volatile long *p;
register long ret;
int ipl;
p =dst;
ipl = UxCardLock(card);
*p -= 1;
ret = *p;
UxCardUnlock(card,ipl);
return(ret);
}
static
void assign_queue(ADAPTER * a, byte e_no, word ref)
{
card_t *card;
int ipl;
card = a->io;
ipl = UxCardLock(card->hw);
card->e_tbl[e_no].assign_ref = ref;
card->e_tbl[e_no].next = card->assign;
card->assign = e_no;
UxCardUnlock(card->hw, ipl);
return;
}
static
void next_req(ADAPTER * a)
{
card_t *card;
int ipl;
card = a->io;
ipl = UxCardLock(card->hw);
card->e_head = card->e_tbl[card->e_head].next;
if (!card->e_head)
{
card->e_tail = 0;
}
UxCardUnlock(card->hw, ipl);
return;
}
/*
* IDI request function for active cards
*/
static
void request(card_t *card, ENTITY *e)
{
word *special_req;
int i;
int ipl;
if (card->log_types & DIVAS_LOG_IDI)
{
DivasLogIdi(card, e, TRUE);
}
if (!e->Req)
{
special_req = (word *) e;
switch (*special_req)
{
case REQ_REMOVE:
return;
case REQ_NAME:
for (i=0; i < DIM(card->cfg.name); i++)
{
((struct get_name_s *) e)->name[i] = card->cfg.name[i];
}
return;
case REQ_SERIAL:
case REQ_XLOG:
DPRINTF(("IDI: attempted REQ_SERIAL or REQ_XLOG"));
return;
default:
return;
}
}
ipl = UxCardLock(card->hw);
if (!(e->Id & 0x1f))
{
DPRINTF(("IDI: ASSIGN req"));
for (i = 1; i < card->e_max; i++)
{
if (!card->e_tbl[i].e)
{
break;
}
}
if (i == card->e_max)
{
DPRINTF(("IDI: request all ids in use (IDI req ignored)"));
UxCardUnlock(card->hw, ipl);
e->Rc = OUT_OF_RESOURCES;
return;
}
card->e_tbl[i].e = e;
card->e_count++;
e->No = (byte) i;
e->More = 0;
e->RCurrent = 0xff;
}
else
{
i = e->No;
}
if (e->More & XBUSY)
{
DPRINTF(("IDI: request - entity is busy"));
UxCardUnlock(card->hw, ipl);
return;
}
e->More |= XBUSY;
e->More &= ~ XMOREF;
e->XCurrent = 0;
e->XOffset = 0;
card->e_tbl[i].next = 0;
if(card->e_head)
{
card->e_tbl[card->e_tail].next = i;
card->e_tail = i;
}
else
{
card->e_head = i;
card->e_tail = i;
}
UxCardUnlock(card->hw, ipl);
DivasScheduleRequestDpc();
return;
}
