dev/sym/sym_hipd.c

234  *  Number of tasks per device we want to handle.
237 #error	"more than 256 tags per logical unit not allowed."
265  *  Number of logical units per target.
268 #error	"more than 64 logical units per target not allowed."
570  * With `bus dma abstraction', we use a separate pool per parent
2190 static void sym_setsync (hcb_p np, ccb_p cp, u_char ofs, u_char per,
2194 			 u_char per, u_char wide, u_char div, u_char fak);
2196 			 u_char per, u_char wide, u_char div, u_char fak);
3328 	u32	per;			/* Period in tenths of ns	*/
3329 	u32	kpc;			/* (per * clk)			*/
3335 	if (dt && sfac <= 9)	per = 125;
3336 	else if	(sfac <= 10)	per = 250;
3337 	else if	(sfac == 11)	per = 303;
3338 	else if	(sfac == 12)	per = 500;
3339 	else			per = 40 * sfac;
3340 	ret = per;
3342 	kpc = per * clk;
3350 	 *  to 5 Mega-transfers per second and may result in
3494 sym_setsync(hcb_p np, ccb_p cp, u_char ofs, u_char per, u_char div, u_char fak)
3499 	sym_settrans(np, cp, 0, ofs, per, wide, div, fak);
3504 	tp->tinfo.goal.period	= tp->tinfo.current.period  = per;
3516 			 u_char per, u_char wide, u_char div, u_char fak)
3520 	sym_settrans(np, cp, dt, ofs, per, wide, div, fak);
3526 	tp->tinfo.goal.period	= tp->tinfo.current.period = per;
3537 			 u_char per, u_char wide, u_char div, u_char fak)
3602 		if (per <= 12)	wval |= ULTRA;
3617 	 *  Disable extended Sreq/Sack filtering if per < 50.
3620 	if (per < 50 && !(np->features & FE_C10))
5593 	u_char	chg, ofs, per, fak, div;
5617 	per = np->msgin[3];
5633 		if (per < np->minsync)
5634 			{chg = 1; per = np->minsync;}
5636 			if (per < tp->tinfo.user.period)
5637 				{chg = 1; per = tp->tinfo.user.period;}
5642 	if (ofs && sym_getsync(np, 0, per, &div, &fak) < 0)
5647 		printf ("sdtr: ofs=%d per=%d div=%d fak=%d chg=%d.\n",
5648 			ofs, per, div, fak, chg);
5657 		sym_setsync (np, cp, ofs, per, div, fak);
5666 	sym_setsync (np, cp, ofs, per, div, fak);
5671 	np->msgout[3] = per;
5694 	u_char	chg, ofs, per, fak, dt, div, wide;
5708 	per  = np->msgin[3];
5755 			if (per < np->minsync_dt)
5756 				{chg = 1; per = np->minsync_dt;}
5758 		else if (per < np->minsync)
5759 			{chg = 1; per = np->minsync;}
5761 			if (per < tp->tinfo.user.period)
5762 				{chg = 1; per = tp->tinfo.user.period;}
5767 	if (ofs && sym_getsync(np, dt, per, &div, &fak) < 0)
5773 			"dt=%x ofs=%d per=%d wide=%d div=%d fak=%d chg=%d.\n",
5774 			dt, ofs, per, wide, div, fak, chg);
5783 		sym_setpprot (np, cp, dt, ofs, per, wide, div, fak);
5792 	sym_setpprot (np, cp, dt, ofs, per, wide, div, fak);
5797 	np->msgout[3] = per;
5823 		tp->tinfo.goal.period  = per;
6284 	 *  ones only accept 1 SCSI IO per logical unit,
6419 	 *  Otherwise, we only accept 1 IO per LUN.
6426 	 *  We donnot queue more than 1 ccb per target