scsi/sym53c8xx_2/sym_hipd.c

3608  *  array (dp_sg) and a negative offset (dp_ofs) that
3611  *  - dp_sg = SYM_CONF_MAX_SG
3613  *  - dp_sg < SYM_CONF_MAX_SG
3614  *    dp_sg points to the next entry of the scatter array
3624  *  the corresponding values of dp_sg and dp_ofs.
3630 	int	dp_ofs, dp_sg, dp_sgmin;
3663 	 *  If result is dp_sg = SYM_CONF_MAX_SG, then we are at the
3667 	dp_sg = SYM_CONF_MAX_SG;
3669 		dp_sg -= (tmp - 8 - (int)dp_scr) / (2*4);
3678 	 *      dp_ofs = 0 and dp_sg is the index of the sg entry
3681 	 *      dp_ofs < 0 and dp_sg is the index of the sg entry
3686 		while (dp_sg > dp_sgmin) {
3687 			--dp_sg;
3688 			tmp = scr_to_cpu(cp->phys.data[dp_sg].size);
3691 				++dp_sg;
3698 		while (dp_sg < SYM_CONF_MAX_SG) {
3699 			tmp = scr_to_cpu(cp->phys.data[dp_sg].size);
3701 			++dp_sg;
3711 	if	(dp_sg < dp_sgmin || (dp_sg == dp_sgmin && dp_ofs < 0))
3713 	else if	(dp_sg > SYM_CONF_MAX_SG ||
3714 		 (dp_sg == SYM_CONF_MAX_SG && dp_ofs > 0))
3720 	if (dp_sg > cp->ext_sg ||
3721             (dp_sg == cp->ext_sg && dp_ofs > cp->ext_ofs)) {
3722 		cp->ext_sg  = dp_sg;
3730 	return dp_sg;
3752 	int	dp_sg;
3765 	dp_sg = sym_evaluate_dp(np, cp, dp_scr, &dp_ofs);
3766 	if (dp_sg < 0)
3774 	dp_ret = dp_ret - 8 - (SYM_CONF_MAX_SG - dp_sg) * (2*4);
3810 	 *  corresponding to index dp_sg-1 prior to returning
3814 	tmp  = scr_to_cpu(cp->phys.data[dp_sg-1].addr);
3815 	tmp += scr_to_cpu(cp->phys.data[dp_sg-1].size) + dp_ofs;
3846 	int dp_sg, resid = 0;
3894 	for (dp_sg = cp->ext_sg; dp_sg < SYM_CONF_MAX_SG; ++dp_sg) {
3895 		u_int tmp = scr_to_cpu(cp->phys.data[dp_sg].size);