dev/ofw/ofdisk.c

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64 #define	OFDISK_FLOPPY_P(of)		((of)->sc_flags & OFDF_ISFLOPPY)
140 	struct ofdisk_softc *of = device_private(self);
145 	of->sc_dev = self;
153 	of->sc_flags = 0;
154 	of->sc_phandle = oba->oba_phandle;
155 	of->sc_unit = oba->oba_unit;
156 	of->sc_ihandle = 0;
157 	disk_init(&of->sc_dk, device_xname(of->sc_dev), &ofdisk_dkdriver);
158 	disk_attach(&of->sc_dk);
162 		of->sc_flags |= OFDF_ISFLOPPY;
165 		dkwedge_discover(&of->sc_dk);
172 	struct ofdisk_softc *of;
176 	of = device_lookup_private(&ofdisk_cd, DISKUNIT(dev));
177 	if (of == NULL)
182 	mutex_enter(&of->sc_dk.dk_openlock);
188 	if (of->sc_dk.dk_nwedges != 0 && part != RAW_PART) {
193 	if (!of->sc_ihandle) {
194 		if ((l = OF_package_to_path(of->sc_phandle, path,
203 		 * XXX This is for the benefit of SCSI/IDE disks that don't
211 			path[l++] = '0' + of->sc_unit;
217 		if ((of->sc_ihandle = OF_open(path)) == -1) {
223 		 * Try to get characteristics of the disk.
225 		of->max_transfer = OF_call_method_1("max-transfer",
226 		    of->sc_ihandle, 0);
227 		if (of->max_transfer > MAXPHYS)
228 			of->max_transfer = MAXPHYS;
235 		of->sc_dk.dk_copenmask |= 1 << part;
238 		of->sc_dk.dk_bopenmask |= 1 << part;
241 	of->sc_dk.dk_openmask =
242 	    of->sc_dk.dk_copenmask | of->sc_dk.dk_bopenmask;
247 	mutex_exit(&of->sc_dk.dk_openlock);
254 	struct ofdisk_softc *of =
257 	mutex_enter(&of->sc_dk.dk_openlock);
261 		of->sc_dk.dk_copenmask &= ~(1 << DISKPART(dev));
264 		of->sc_dk.dk_bopenmask &= ~(1 << DISKPART(dev));
267 	of->sc_dk.dk_openmask = of->sc_dk.dk_copenmask | of->sc_dk.dk_bopenmask;
273 	OF_seek(of->sc_ihandle, 0);
275 	if (!of->sc_dk.dk_openmask) {
276 		OF_close(of->sc_ihandle);
277 		of->sc_ihandle = 0;
280 	mutex_exit(&of->sc_dk.dk_openlock);
287 	struct ofdisk_softc *of =
303 		if (bounds_check_with_label(&of->sc_dk, bp, 0) <= 0) {
307 		p = &of->sc_dk.dk_label->d_partitions[DISKPART(bp->b_dev)];
311 	disk_busy(&of->sc_dk);
316 		if (OF_seek(of->sc_ihandle, off) < 0)
318 		read = OF_io(of->sc_ihandle, bp->b_data, bp->b_bcount);
327 	disk_unbusy(&of->sc_dk, bp->b_bcount - bp->b_resid,
337 	struct ofdisk_softc *of =
340 	if (bp->b_bcount > of->max_transfer)
341 		bp->b_bcount = of->max_transfer;
359 	struct ofdisk_softc *of =
372 		if (OFDISK_FLOPPY_P(of))
376 	error = disk_ioctl(&of->sc_dk, dev, cmd, data, flag, l);
402 		mutex_enter(&of->sc_dk.dk_openlock);
404 		error = setdisklabel(of->sc_dk.dk_label,
405 		    lp, /*of->sc_dk.dk_openmask */0,
406 		    of->sc_dk.dk_cpulabel);
414 			    of->sc_dk.dk_label, of->sc_dk.dk_cpulabel);
416 		mutex_exit(&of->sc_dk.dk_openlock);
422 		ofdisk_getdefaultlabel(of, (struct disklabel *)data);
426 		ofdisk_getdefaultlabel(of, &newlabel);
447 	struct ofdisk_softc *of;
451 	of = device_lookup_private(&ofdisk_cd, DISKUNIT(dev));
452 	if (of == NULL)
456 	omask = of->sc_dk.dk_openmask & (1 << part);
457 	lp = of->sc_dk.dk_label;
475 ofdisk_getdefaultlabel(struct ofdisk_softc *of, struct disklabel *lp)
488 	    of->sc_ihandle, 0);
510 	struct ofdisk_softc *of =
512 	struct disklabel *lp = of->sc_dk.dk_label;
516 	ofdisk_getdefaultlabel(of, lp);
525 	if (OFDISK_FLOPPY_P(of)) {
538 		    of->sc_dk.dk_cpulabel);
540 			printf("%s: %s\n", device_xname(of->sc_dev), errmes);