1 /*-
45 	struct ptable		*table;  member
57 /* Convert size to a human-readable number. */
81 ptblread(void *d, void *buf, size_t blocks, uint64_t offset)  in ptblread()  argument
87 	od = (struct open_disk *)dev->dd.d_opendata;  in ptblread()
90 	 * The strategy function assumes the offset is in units of 512 byte  in ptblread()
91 	 * sectors. For larger sector sizes, we need to adjust the offset to  in ptblread()
94 	offset *= (od->sectorsize / 512);  in ptblread()
99 	return (dev->dd.d_dev->dv_strategy(dev, F_READ | F_NORA, offset,  in ptblread()
100 	    blocks * od->sectorsize, (char *)buf, NULL));  in ptblread()
109 	struct ptable *table;  in ptable_print()  local
116 	od = (struct open_disk *)pa->dev->dd.d_opendata;  in ptable_print()
117 	sectsize = od->sectorsize;  in ptable_print()
118 	partsize = part->end - part->start + 1;  in ptable_print()
119 	snprintf(line, sizeof(line), "  %s%s: %s", pa->prefix, pname,  in ptable_print()
120 	    parttype2str(part->type));  in ptable_print()
124 	if (pa->verbose) {  in ptable_print()
138 	if (part->type == PART_FREEBSD) {  in ptable_print()
140 		dev.dd.d_dev = pa->dev->dd.d_dev;  in ptable_print()
141 		dev.dd.d_unit = pa->dev->dd.d_unit;  in ptable_print()
142 		dev.d_slice = part->index;  in ptable_print()
145 			table = ptable_open(&dev, partsize, sectsize, ptblread);  in ptable_print()
146 			if (table != NULL) {  in ptable_print()
148 				    pa->prefix, pname);  in ptable_print()
149 				bsd.dev = pa->dev;  in ptable_print()
151 				bsd.verbose = pa->verbose;  in ptable_print()
152 				res = ptable_iterate(table, &bsd, ptable_print);  in ptable_print()
153 				ptable_close(table);  in ptable_print()
169 	od = (struct open_disk *)dev->dd.d_opendata;  in disk_print()
173 	return (ptable_iterate(od->table, &pa, ptable_print));  in disk_print()
177 disk_read(struct disk_devdesc *dev, void *buf, uint64_t offset, u_int blocks)  in disk_read()  argument
182 	od = (struct open_disk *)dev->dd.d_opendata;  in disk_read()
183 	ret = dev->dd.d_dev->dv_strategy(dev, F_READ, dev->d_offset + offset,  in disk_read()
184 	    blocks * od->sectorsize, buf, NULL);  in disk_read()
190 disk_write(struct disk_devdesc *dev, void *buf, uint64_t offset, u_int blocks)  in disk_write()  argument
195 	od = (struct open_disk *)dev->dd.d_opendata;  in disk_write()
196 	ret = dev->dd.d_dev->dv_strategy(dev, F_WRITE, dev->d_offset + offset,  in disk_write()
197 	    blocks * od->sectorsize, buf, NULL);  in disk_write()
205 	struct open_disk *od = dev->dd.d_opendata;  in disk_ioctl()
212 		*(u_int *)data = od->sectorsize;  in disk_ioctl()
215 		if (dev->d_offset == 0)  in disk_ioctl()
216 			*(uint64_t *)data = od->mediasize;  in disk_ioctl()
218 			*(uint64_t *)data = od->entrysize * od->sectorsize;  in disk_ioctl()
232 	struct ptable *table;  in disk_open()  local
246 	dev->dd.d_opendata = od;  in disk_open()
247 	od->entrysize = 0;  in disk_open()
248 	od->mediasize = mediasize;  in disk_open()
249 	od->sectorsize = sectorsize;  in disk_open()
259 	dev->d_offset = 0;  in disk_open()
260 	table = NULL;  in disk_open()
261 	slice = dev->d_slice;  in disk_open()
262 	partition = dev->d_partition;  in disk_open()
265 	    dev->dd.d_unit, dev->d_slice, dev->d_partition, od);  in disk_open()
268 	od->table = ptable_open(&partdev, mediasize / sectorsize, sectorsize,  in disk_open()
270 	if (od->table == NULL) {  in disk_open()
271 		DPRINTF("Can't read partition table");  in disk_open()
276 	if (ptable_getsize(od->table, &mediasize) != 0) {  in disk_open()
280 	od->mediasize = mediasize;  in disk_open()
282 	if (ptable_gettype(od->table) == PTABLE_BSD &&  in disk_open()
285 		rc = ptable_getpart(od->table, &part, partition);  in disk_open()
287 			dev->d_offset = part.start;  in disk_open()
288 			od->entrysize = part.end - part.start + 1;  in disk_open()
290 	} else if (ptable_gettype(od->table) == PTABLE_ISO9660) {  in disk_open()
291 		dev->d_offset = 0;  in disk_open()
292 		od->entrysize = mediasize;  in disk_open()
296 			rc = ptable_getbestpart(od->table, &part);  in disk_open()
298 			rc = ptable_getpart(od->table, &part, slice);  in disk_open()
301 		dev->d_offset = part.start;  in disk_open()
302 		od->entrysize = part.end - part.start + 1;  in disk_open()
304 		if (ptable_gettype(od->table) == PTABLE_GPT) {  in disk_open()
310 			 * table isn't GPT, reset partition value to  in disk_open()
332 		table = ptable_open(dev, part.end - part.start + 1,  in disk_open()
333 		    od->sectorsize, ptblread);  in disk_open()
334 		if (table == NULL) {  in disk_open()
345 			if (ptable_gettype(table) != PTABLE_BSD)  in disk_open()
349 		rc = ptable_getpart(table, &part, partition);  in disk_open()
352 		dev->d_offset += part.start;  in disk_open()
353 		od->entrysize = part.end - part.start + 1;  in disk_open()
356 	if (table != NULL)  in disk_open()
357 		ptable_close(table);  in disk_open()
360 		if (od->table != NULL)  in disk_open()
361 			ptable_close(od->table);  in disk_open()
366 		dev->d_slice = slice;  in disk_open()
367 		dev->d_partition = partition;  in disk_open()
368 		DPRINTF("%s offset %lld => %p", disk_fmtdev(dev),  in disk_open()
369 		    (long long)dev->d_offset, od);  in disk_open()
379 	od = (struct open_disk *)dev->dd.d_opendata;  in disk_close()
381 	ptable_close(od->table);  in disk_close()
393 	assert(vdev->d_dev->dv_type == DEVT_DISK);  in disk_fmtdev()
394 	cp = buf + sprintf(buf, "%s%d", dev->dd.d_dev->dv_name, dev->dd.d_unit);  in disk_fmtdev()
395 	if (dev->d_slice > D_SLICENONE) {  in disk_fmtdev()
397 		if (dev->d_partition == D_PARTISGPT) {  in disk_fmtdev()
398 			sprintf(cp, "p%d:", dev->d_slice);  in disk_fmtdev()
403 			cp += sprintf(cp, "s%d", dev->d_slice);  in disk_fmtdev()
406 	if (dev->d_partition > D_PARTNONE)  in disk_fmtdev()
407 		cp += sprintf(cp, "%c", dev->d_partition + 'a');  in disk_fmtdev()
421 	unit = -1;  in disk_parsedev()
446 			/* we don't support nested partitions on GPT */  in disk_parsedev()
461 			partition = *cp - 'a';  in disk_parsedev()
474 	dev->dd.d_unit = unit;  in disk_parsedev()
475 	dev->d_slice = slice;  in disk_parsedev()
476 	dev->d_partition = partition;  in disk_parsedev()
477 	*idev = &dev->dd;  in disk_parsedev()