i386/zfsboot/zfsboot.c

188 	struct dsk *dsk = (struct dsk *) priv;
195 	lba += dsk->start;
200 		if (drvread(dsk, dmadat->rdbuf, lba, nb))
330  * We call this when we find a ZFS vdev - ZFS consumes the dsk
333 static struct dsk *
334 copy_dsk(struct dsk *dsk)
336     struct dsk *newdsk;
338     newdsk = malloc(sizeof(struct dsk));
339     *newdsk = *dsk;
344 probe_drive(struct dsk *dsk)
361     if (vdev_probe(vdev_read, dsk, NULL) == 0)
365     dsk->start = 0;
371     if (drvread(dsk, sec, 1, 1)) {
391 	dsk->start = 0;
392 	if (drvread(dsk, sec, slba, 1))
398 		dsk->start = ent->ent_lba_start;
399 		if (vdev_probe(vdev_read, dsk, NULL) == 0) {
401 		     * This slice had a vdev. We need a new dsk
404 		    dsk = copy_dsk(dsk);
414     if (drvread(dsk, sec, DOSBBSECTOR, 1))
421 	dsk->start = dp[i].dp_start;
422 	if (vdev_probe(vdev_read, dsk, NULL) == 0) {
424 	     * This slice had a vdev. We need a new dsk structure now
427 	    dsk = copy_dsk(dsk);
438     struct dsk *dsk;
452     dsk = malloc(sizeof(struct dsk));
453     dsk->drive = *(uint8_t *)PTOV(ARGS);
454     dsk->type = dsk->drive & DRV_HARD ? TYPE_AD : TYPE_FD;
455     dsk->unit = dsk->drive & DRV_MASK;
456     dsk->slice = *(uint8_t *)PTOV(ARGS + 1) + 1;
457     dsk->part = 0;
458     dsk->start = 0;
459     dsk->init = 0;
466     bootinfo.bi_bios_dev = dsk->drive;
468     bootdev = MAKEBOOTDEV(dev_maj[dsk->type],
469 			  dsk->slice, dsk->unit, dsk->part),
481     probe_drive(dsk);
500 	dsk = malloc(sizeof(struct dsk));
501 	dsk->drive = i | DRV_HARD;
502 	dsk->type = dsk->drive & TYPE_AD;
503 	dsk->unit = i;
504 	dsk->slice = 0;
505 	dsk->part = 0;
506 	dsk->start = 0;
507 	dsk->init = 0;
508 	probe_drive(dsk);