i86pc/io/rootnex.c

2878 	uint_t cnt;
2891 	cnt = 0;
2966 	sgl[cnt].dmac_laddress = raddr;
2967 	sgl[cnt].dmac_size = psize;
2968 	sgl[cnt].dmac_type = 0;
2995 		sgl[cnt].dmac_type = ROOTNEX_USES_COPYBUF;
2996 		if ((cnt + 1) < sglinfo->si_max_pages) {
2997 			cnt++;
2998 			sgl[cnt].dmac_laddress = 0;
2999 			sgl[cnt].dmac_size = 0;
3000 			sgl[cnt].dmac_type = 0;
3054 			if (sgl[cnt].dmac_size != 0) {
3055 				cnt++;
3057 			sgl[cnt].dmac_laddress = raddr;
3058 			sgl[cnt].dmac_size = psize;
3060 			sgl[cnt].dmac_type = ROOTNEX_USES_COPYBUF;
3066 			sgl[cnt].dmac_type = ROOTNEX_USES_COPYBUF |
3070 			if ((cnt + 1) < sglinfo->si_max_pages) {
3071 				cnt++;
3072 				sgl[cnt].dmac_laddress = 0;
3073 				sgl[cnt].dmac_size = 0;
3074 				sgl[cnt].dmac_type = 0;
3085 		    ((sgl[cnt].dmac_size + psize) > maxseg) ||
3086 		    (sgl[cnt].dmac_size == 0)) {
3091 			if (sgl[cnt].dmac_size != 0) {
3092 				cnt++;
3096 			sgl[cnt].dmac_laddress = raddr;
3097 			sgl[cnt].dmac_size = psize;
3099 			sgl[cnt].dmac_type = 0;
3105 			sgl[cnt].dmac_type = dmar_object->dmao_size - size;
3114 			sgl[cnt].dmac_size += psize;
3120 			if (((sgl[cnt].dmac_size + psize) == maxseg) &&
3121 			    ((cnt + 1) < sglinfo->si_max_pages)) {
3122 				cnt++;
3123 				sgl[cnt].dmac_laddress = 0;
3124 				sgl[cnt].dmac_size = 0;
3125 				sgl[cnt].dmac_type = 0;
3139 	if (sgl[cnt].dmac_size == 0) {
3140 		ASSERT(cnt < sglinfo->si_max_pages);
3141 		sglinfo->si_sgl_size = cnt;
3143 		sglinfo->si_sgl_size = cnt + 1;
3158 	uint_t cnt;
3167 	cnt = 0;
3179 	sgl[cnt].dmac_laddress = paddr;
3180 	sgl[cnt].dmac_size = psize;
3181 	sgl[cnt].dmac_type = 0;
3199 		    ((sgl[cnt].dmac_size + psize) > maxseg) ||
3200 		    (sgl[cnt].dmac_size == 0)) {
3205 			if (sgl[cnt].dmac_size != 0) {
3206 				cnt++;
3210 			sgl[cnt].dmac_laddress = paddr;
3211 			sgl[cnt].dmac_size = psize;
3212 			sgl[cnt].dmac_type = 0;
3214 			sgl[cnt].dmac_size += psize;
3220 			if (((sgl[cnt].dmac_size + psize) == maxseg) &&
3221 			    ((cnt + 1) < sglinfo->si_max_pages)) {
3222 				cnt++;
3223 				sgl[cnt].dmac_laddress = 0;
3224 				sgl[cnt].dmac_size = 0;
3225 				sgl[cnt].dmac_type = 0;
3232 	if (sgl[cnt].dmac_size == 0) {
3233 		sglinfo->si_sgl_size = cnt;
3235 		sglinfo->si_sgl_size = cnt + 1;
3380 		/* if the cookie cnt == max sgllen, move to the next window */