dev/sym/sym_hipd.c

241  *  Number of tasks per device we want to handle.
244 #error	"more than 256 tags per logical unit not allowed."
272  *  Number of logical units per target.
275 #error	"more than 64 logical units per target not allowed."
577  * With `bus dma abstraction', we use a separate pool per parent
2201 static void sym_setsync (hcb_p np, ccb_p cp, u_char ofs, u_char per,
2205 			 u_char per, u_char wide, u_char div, u_char fak);
2207 			 u_char per, u_char wide, u_char div, u_char fak);
3342 	u32	per;			/* Period in tenths of ns	*/
3343 	u32	kpc;			/* (per * clk)			*/
3349 	if (dt && sfac <= 9)	per = 125;
3350 	else if	(sfac <= 10)	per = 250;
3351 	else if	(sfac == 11)	per = 303;
3352 	else if	(sfac == 12)	per = 500;
3353 	else			per = 40 * sfac;
3354 	ret = per;
3356 	kpc = per * clk;
3364 	 *  to 5 Mega-transfers per second and may result in
3508 sym_setsync(hcb_p np, ccb_p cp, u_char ofs, u_char per, u_char div, u_char fak)
3513 	sym_settrans(np, cp, 0, ofs, per, wide, div, fak);
3518 	tp->tinfo.goal.period	= tp->tinfo.current.period  = per;
3530 			 u_char per, u_char wide, u_char div, u_char fak)
3534 	sym_settrans(np, cp, dt, ofs, per, wide, div, fak);
3540 	tp->tinfo.goal.period	= tp->tinfo.current.period = per;
3551 			 u_char per, u_char wide, u_char div, u_char fak)
3616 		if (per <= 12)	wval |= ULTRA;
3631 	 *  Disable extended Sreq/Sack filtering if per < 50.
3634 	if (per < 50 && !(np->features & FE_C10))
5606 	u_char	chg, ofs, per, fak, div;
5630 	per = np->msgin[3];
5646 		if (per < np->minsync)
5647 			{chg = 1; per = np->minsync;}
5649 			if (per < tp->tinfo.user.period)
5650 				{chg = 1; per = tp->tinfo.user.period;}
5655 	if (ofs && sym_getsync(np, 0, per, &div, &fak) < 0)
5660 		printf ("sdtr: ofs=%d per=%d div=%d fak=%d chg=%d.\n",
5661 			ofs, per, div, fak, chg);
5670 		sym_setsync (np, cp, ofs, per, div, fak);
5679 	sym_setsync (np, cp, ofs, per, div, fak);
5684 	np->msgout[3] = per;
5707 	u_char	chg, ofs, per, fak, dt, div, wide;
5721 	per  = np->msgin[3];
5768 			if (per < np->minsync_dt)
5769 				{chg = 1; per = np->minsync_dt;}
5771 		else if (per < np->minsync)
5772 			{chg = 1; per = np->minsync;}
5774 			if (per < tp->tinfo.user.period)
5775 				{chg = 1; per = tp->tinfo.user.period;}
5780 	if (ofs && sym_getsync(np, dt, per, &div, &fak) < 0)
5786 			"dt=%x ofs=%d per=%d wide=%d div=%d fak=%d chg=%d.\n",
5787 			dt, ofs, per, wide, div, fak, chg);
5796 		sym_setpprot (np, cp, dt, ofs, per, wide, div, fak);
5805 	sym_setpprot (np, cp, dt, ofs, per, wide, div, fak);
5810 	np->msgout[3] = per;
5836 		tp->tinfo.goal.period  = per;
6293 	 *  ones only accept 1 SCSI IO per logical unit,
6434 	 *  Otherwise, we only accept 1 IO per LUN.
6441 	 *  We donnot queue more than 1 ccb per target