75 parse_nextstep_label(struct next68k_disklabel *ondisk, struct disklabel *lp,  in parse_nextstep_label()  argument
81 	if (ondisk->cd_version == NEXT68K_LABEL_CD_V3) {  in parse_nextstep_label()
82 		checksum = &ondisk->NEXT68K_LABEL_cd_v3_checksum;  in parse_nextstep_label()
84 		checksum = &ondisk->NEXT68K_LABEL_cd_checksum;  in parse_nextstep_label()
91 	osdep->od_version = ondisk->cd_version;  in parse_nextstep_label()
92 	lp->d_magic = lp->d_magic2 = DISKMAGIC;  in parse_nextstep_label()
93 	lp->d_type = DKTYPE_SCSI;  in parse_nextstep_label()
94 	lp->d_subtype = 0;  in parse_nextstep_label()
95 	if (sizeof(lp->d_typename) > sizeof(ondisk->cd_name))  in parse_nextstep_label()
96 		lp->d_typename[sizeof (ondisk->cd_name)] = '\0';  in parse_nextstep_label()
97 	memcpy(lp->d_typename, ondisk->cd_name,  in parse_nextstep_label()
98 	    uimin(sizeof (lp->d_typename), sizeof(ondisk->cd_name)));  in parse_nextstep_label()
99 	if (sizeof(lp->d_packname) > sizeof(ondisk->cd_label))  in parse_nextstep_label()
100 		lp->d_packname[sizeof (ondisk->cd_label)] = '\0';  in parse_nextstep_label()
101 	memcpy(lp->d_packname, ondisk->cd_label,  in parse_nextstep_label()
102 	    uimin(sizeof(lp->d_packname), sizeof(ondisk->cd_label)));  in parse_nextstep_label()
103 	if (lp->d_secsize == 0)  in parse_nextstep_label()
104 		lp->d_secsize = ondisk->cd_secsize;  in parse_nextstep_label()
105 	KASSERT(ondisk->cd_secsize >= lp->d_secsize);  in parse_nextstep_label()
106 	lp->d_nsectors = ondisk->cd_nsectors;  in parse_nextstep_label()
107 	lp->d_ntracks = ondisk->cd_ntracks;  in parse_nextstep_label()
108 	lp->d_ncylinders = ondisk->cd_ncylinders;  in parse_nextstep_label()
110 	lp->d_rpm = ondisk->cd_rpm;  in parse_nextstep_label()
111 	lp->d_flags = ondisk->cd_flags;  in parse_nextstep_label()
113 	lp->d_bbsize = NEXT68K_LABEL_SIZE;  in parse_nextstep_label()
114 	lp->d_sbsize = SBLOCKSIZE;  in parse_nextstep_label()
116 	lp->d_npartitions = nbp = 0;  in parse_nextstep_label()
117 	for (i = 0; i < NEXT68K_LABEL_MAXPARTITIONS - 1; i++) {  in parse_nextstep_label()
118 		if (ondisk->cd_partitions[i].cp_size > 0) {  in parse_nextstep_label()
119 			lp->d_partitions[nbp].p_size =  in parse_nextstep_label()
120 			    ondisk->cd_partitions[i].cp_size *  in parse_nextstep_label()
121 			    (ondisk->cd_secsize / lp->d_secsize);  in parse_nextstep_label()
122 			lp->d_partitions[nbp].p_offset =  in parse_nextstep_label()
123 			    (ondisk->cd_front +  in parse_nextstep_label()
124 			     ondisk->cd_partitions[i].cp_offset) *  in parse_nextstep_label()
125 			     (ondisk->cd_secsize / lp->d_secsize);  in parse_nextstep_label()
126 			lp->d_partitions[nbp].p_fsize =  in parse_nextstep_label()
127 			    ondisk->cd_partitions[i].cp_fsize;  in parse_nextstep_label()
129 			lp->d_partitions[nbp].p_fstype = FS_BSDFFS;  in parse_nextstep_label()
132 				if (strncmp(ondisk->cd_partitions[i].cp_type,  in parse_nextstep_label()
139 			lp->d_partitions[nbp].p_fstype = t;  in parse_nextstep_label()
141 			if (ondisk->cd_partitions[i].cp_fsize)  in parse_nextstep_label()
142 				lp->d_partitions[nbp].p_frag =  in parse_nextstep_label()
143 				    ondisk->cd_partitions[i].cp_bsize /  in parse_nextstep_label()
144 				    ondisk->cd_partitions[i].cp_fsize;  in parse_nextstep_label()
146 				lp->d_partitions[nbp].p_frag = 0;  in parse_nextstep_label()
147 			lp->d_partitions[nbp].p_cpg =  in parse_nextstep_label()
148 				ondisk->cd_partitions[i].cp_cpg;  in parse_nextstep_label()
149 			lp->d_npartitions = nbp + 1;  in parse_nextstep_label()
158 	if (lp->d_npartitions <= RAW_PART)  in parse_nextstep_label()
159 		lp->d_npartitions = RAW_PART + 1;  in parse_nextstep_label()
161 	lp->d_checksum = 0;  in parse_nextstep_label()
162 	lp->d_checksum = dkcksum(lp);  in parse_nextstep_label()
168 build_nextstep_label(struct next68k_disklabel *ondisk, struct disklabel *lp)  in build_nextstep_label()  argument
176 	ondisk->cd_version = NEXT68K_LABEL_CD_V3;  in build_nextstep_label()
177 	/* ondisk->cd_label_blkno = 0; */  in build_nextstep_label()
178 	/* ondisk->cd_size = 0; */  in build_nextstep_label()
179 	/* ondisk->cd_tag = 0; */  in build_nextstep_label()
180 	strncpy(ondisk->cd_type, "fixed_rw_scsi", sizeof(ondisk->cd_type));  in build_nextstep_label()
181 	ondisk->cd_secsize = lp->d_secsize;  in build_nextstep_label()
182 	/* ondisk->cd_back = 0; */  in build_nextstep_label()
183 	/* ondisk->cd_ngroups = 0; */  in build_nextstep_label()
184 	/* ondisk->cd_ag_size = 0; */  in build_nextstep_label()
185 	/* ondisk->cd_ag_alts = 0; */  in build_nextstep_label()
186 	/* ondisk->cd_ag_off = 0; */  in build_nextstep_label()
187 	/* ondisk->kernel */  in build_nextstep_label()
188 	/* ondisk->hostname */  in build_nextstep_label()
189 	/* ondisk->rootpartition */  in build_nextstep_label()
190 	/* ondisk->rwpartition */  in build_nextstep_label()
191 	KASSERT(ondisk->cd_secsize >= lp->d_secsize);  in build_nextstep_label()
193 	if (memcmp(ondisk->cd_name, lp->d_typename,  in build_nextstep_label()
194 	    uimin(sizeof(lp->d_typename), sizeof(ondisk->cd_name))) &&  in build_nextstep_label()
195 	    sizeof (ondisk->cd_name) > sizeof (lp->d_typename))  in build_nextstep_label()
196 		ondisk->cd_name[sizeof(lp->d_typename)] = '\0';  in build_nextstep_label()
197 	memcpy(ondisk->cd_name, lp->d_typename,  in build_nextstep_label()
198 	    uimin(sizeof(lp->d_typename), sizeof(ondisk->cd_name)));  in build_nextstep_label()
199 	if (memcmp (lp->d_packname, ondisk->cd_label,  in build_nextstep_label()
200 	    uimin(sizeof(lp->d_packname), sizeof(ondisk->cd_label))) &&  in build_nextstep_label()
201 	    sizeof(ondisk->cd_label) > sizeof(lp->d_packname))  in build_nextstep_label()
202 		ondisk->cd_label[sizeof(lp->d_packname)] = '\0';  in build_nextstep_label()
203 	memcpy(ondisk->cd_label, lp->d_packname,  in build_nextstep_label()
204 	    uimin(sizeof(lp->d_packname), sizeof(ondisk->cd_label)));  in build_nextstep_label()
206 	ondisk->cd_nsectors = lp->d_nsectors;  in build_nextstep_label()
207 	ondisk->cd_ntracks = lp->d_ntracks;  in build_nextstep_label()
208 	ondisk->cd_ncylinders = lp->d_ncylinders;  in build_nextstep_label()
210 	ondisk->cd_rpm = lp->d_rpm;  in build_nextstep_label()
211 	ondisk->cd_flags = lp->d_flags;  in build_nextstep_label()
217 	for (nbp = 0; nbp < lp->d_npartitions; nbp++) {  in build_nextstep_label()
218 		if (nbp != RAW_PART && lp->d_partitions[nbp].p_offset > 0 &&  in build_nextstep_label()
219 		    lp->d_partitions[nbp].p_offset < front_porch)  in build_nextstep_label()
220 			front_porch = lp->d_partitions[nbp].p_offset;  in build_nextstep_label()
222 			if (t != (nbp > RAW_PART ? nbp - 1 : nbp) &&  in build_nextstep_label()
223 			    (lp->d_partitions[nbp].p_size ==  in build_nextstep_label()
224 			     ondisk->cd_partitions[t].cp_size *  in build_nextstep_label()
225 			     (ondisk->cd_secsize / lp->d_secsize)) &&  in build_nextstep_label()
226 			    (lp->d_partitions[nbp].p_offset ==  in build_nextstep_label()
227 			     (ondisk->cd_front +  in build_nextstep_label()
228 			      ondisk->cd_partitions[t].cp_offset) *  in build_nextstep_label()
229 			     (ondisk->cd_secsize / lp->d_secsize)) &&  in build_nextstep_label()
230 			    ((lp->d_partitions[nbp].p_fstype == FS_OTHER) ||  in build_nextstep_label()
231 			     (!strncmp (ondisk->cd_partitions[t].cp_type,  in build_nextstep_label()
232 				 fstypenames[lp->d_partitions[nbp].p_fstype],  in build_nextstep_label()
235 				memcpy(&tmp, &ondisk->cd_partitions[t],  in build_nextstep_label()
237 				memcpy(&ondisk->cd_partitions[t],  in build_nextstep_label()
238 				    &ondisk->cd_partitions[nbp > RAW_PART ?  in build_nextstep_label()
239 				    nbp - 1 : nbp],  in build_nextstep_label()
241 				memcpy(&ondisk->cd_partitions[nbp > RAW_PART ?  in build_nextstep_label()
242 				    nbp - 1 : nbp],  in build_nextstep_label()
247 	front_porch /= (ondisk->cd_secsize / lp->d_secsize);  in build_nextstep_label()
254 		struct next68k_partition *p = &ondisk->cd_partitions[i];  in build_nextstep_label()
255 		if (nbp < lp->d_npartitions && lp->d_partitions[nbp].p_size) {  in build_nextstep_label()
256 			p->cp_size = lp->d_partitions[nbp].p_size /  in build_nextstep_label()
257 			    (ondisk->cd_secsize / lp->d_secsize);  in build_nextstep_label()
258 			p->cp_offset = (lp->d_partitions[nbp].p_offset /  in build_nextstep_label()
259 			    (ondisk->cd_secsize / lp->d_secsize)) -  in build_nextstep_label()
261 			p->cp_bsize = lp->d_partitions[nbp].p_frag  in build_nextstep_label()
262 			    * lp->d_partitions[nbp].p_fsize;  in build_nextstep_label()
263 			p->cp_fsize = lp->d_partitions[nbp].p_fsize;  in build_nextstep_label()
264 			if (lp->d_partitions[nbp].p_fstype != FS_OTHER) {  in build_nextstep_label()
265 				memset(p->cp_type, 0, NEXT68K_LABEL_MAXFSTLEN);  in build_nextstep_label()
266 				strncpy(p->cp_type,  in build_nextstep_label()
267 				    fstypenames[lp->d_partitions[nbp].p_fstype],  in build_nextstep_label()
270 			if (p->cp_density < 0)  in build_nextstep_label()
271 				p->cp_density = 4096; /* set some default */  in build_nextstep_label()
272 			if (p->cp_minfree < 0)  in build_nextstep_label()
273 				p->cp_minfree = 5; /* set some default */  in build_nextstep_label()
274 			p->cp_cpg = lp->d_partitions[nbp].p_cpg;  in build_nextstep_label()
277 			p->cp_size = -1;  in build_nextstep_label()
278 			p->cp_offset = -1;  in build_nextstep_label()
279 			p->cp_bsize = -1;  in build_nextstep_label()
280 			p->cp_fsize = -1;  in build_nextstep_label()
281 			p->cp_density = -1;  in build_nextstep_label()
282 			p->cp_minfree = -1;  in build_nextstep_label()
289 	ondisk->cd_front = front_porch;  in build_nextstep_label()
290 	ondisk->cd_boot_blkno[0] = NEXT68K_LABEL_DEFAULTBOOT0_1 /  in build_nextstep_label()
291 	    (ondisk->cd_secsize / lp->d_secsize);  in build_nextstep_label()
292 	ondisk->cd_boot_blkno[1] = NEXT68K_LABEL_DEFAULTBOOT0_2 /  in build_nextstep_label()
293 	    (ondisk->cd_secsize / lp->d_secsize);  in build_nextstep_label()
295 	if (ondisk->cd_version == NEXT68K_LABEL_CD_V3) {  in build_nextstep_label()
296 		checksum = &ondisk->NEXT68K_LABEL_cd_v3_checksum;  in build_nextstep_label()
298 		checksum = &ondisk->NEXT68K_LABEL_cd_checksum;  in build_nextstep_label()
313 readdisklabel(dev_t dev, void (*strat)(struct buf *), struct disklabel *lp,  in readdisklabel()  argument
322 	if (lp->d_secsize == 0)  in readdisklabel()
323 		lp->d_secsize = DEV_BSIZE;  in readdisklabel()
324 	if (lp->d_secperunit == 0)  in readdisklabel()
325 		lp->d_secperunit = 0x1fffffff;  in readdisklabel()
326 	lp->d_npartitions = RAW_PART + 1;  in readdisklabel()
328 		lp->d_partitions[i].p_size = 0;  in readdisklabel()
329 		lp->d_partitions[i].p_offset = 0;  in readdisklabel()
331 	if (lp->d_partitions[i].p_size == 0)  in readdisklabel()
332 		lp->d_partitions[i].p_size = 0x1fffffff;  in readdisklabel()
333 	lp->d_partitions[i].p_offset = 0;  in readdisklabel()
336 	bp->b_dev = dev;  in readdisklabel()
337 	bp->b_blkno = NEXT68K_LABEL_SECTOR;  in readdisklabel()
338 	bp->b_bcount = NEXT68K_LABEL_SIZE;  in readdisklabel()
339 	bp->b_flags |= B_READ;  in readdisklabel()
340 	bp->b_cylinder = NEXT68K_LABEL_SECTOR / lp->d_secpercyl;  in readdisklabel()
344 		osdep->od_version = 0;  in readdisklabel()
351 	    ((char *)bp->b_data + LABELSECTOR * lp->d_secsize + LABELOFFSET);  in readdisklabel()
352 	if (dlp->d_magic == DISKMAGIC || dlp->d_magic2 == DISKMAGIC) {  in readdisklabel()
355 			osdep->od_version = DISKMAGIC;  in readdisklabel()
356 		if (dlp->d_npartitions > MAXPARTITIONS ||  in readdisklabel()
360 			*lp = *dlp;  in readdisklabel()
366 	if (IS_DISKLABEL((struct next68k_disklabel *)bp->b_data)) {  in readdisklabel()
369 		    (struct next68k_disklabel *)bp->b_data, lp, osdep);  in readdisklabel()
376 	 * big-endian systems, and with next68k when LABELSECTOR was 0.  in readdisklabel()
379 	for (dlp = (struct disklabel *)bp->b_data;  in readdisklabel()
380 	     dlp <= (struct disklabel *)((char *)bp->b_data +  in readdisklabel()
381 	     DEV_BSIZE - sizeof(*dlp));  in readdisklabel()
383 		if (dlp->d_magic == DISKMAGIC || dlp->d_magic2 == DISKMAGIC) {  in readdisklabel()
384 			if (dlp->d_npartitions > MAXPARTITIONS ||  in readdisklabel()
388 				*lp = *dlp;  in readdisklabel()
391 					osdep->od_version = DISKMAGIC;  in readdisklabel()
404 writedisklabel(dev_t dev, void (*strat)(struct buf *), struct disklabel *lp,  in writedisklabel()  argument
415 	if (lp->d_partitions[labelpart].p_offset != 0) {  in writedisklabel()
416 		if (lp->d_partitions[0].p_offset != 0)  in writedisklabel()
426 	bp->b_dev = MAKEDISKDEV(major(dev), DISKUNIT(dev), labelpart);  in writedisklabel()
427 	bp->b_blkno = NEXT68K_LABEL_SECTOR;  in writedisklabel()
428 	bp->b_bcount = NEXT68K_LABEL_SIZE;  in writedisklabel()
429 	bp->b_flags |= B_WRITE;  in writedisklabel()
430 	bp->b_cylinder = NEXT68K_LABEL_SECTOR / lp->d_secpercyl;  in writedisklabel()
432 	    build_nextstep_label((struct next68k_disklabel *)bp->b_data, lp);  in writedisklabel()
437 	    ((char *)bp->b_data + LABELSECTOR * lp->d_secsize + LABELOFFSET);  in writedisklabel()
438 	*dlp = *lp;  in writedisklabel()