Cross Reference: /src/sys/arch/bebox/stand/boot/wd.c

Lines Matching defs:wd
1 /*	$NetBSD: wd.c,v 1.4 2019/01/08 19:41:09 jdolecek Exp $	*/
50 static int  wd_get_params(struct wd_softc *wd);
51 static int  wdgetdisklabel(struct wd_softc *wd);
52 static void wdgetdefaultlabel(struct wd_softc *wd, struct disklabel *lp);
62 wd_get_params(struct wd_softc *wd)
67 	if ((error = wdc_exec_identify(wd, buf)) != 0)
70 	wd->sc_params = *(struct ataparams *)buf;
73 	if ((wd->sc_params.atap_cmd2_en & ATA_CMD2_LBA48) != 0)
74 		wd->sc_flags |= WDF_LBA48;
77 	if ((wd->sc_params.atap_capabilities1 & WDC_CAP_LBA) != 0)
78 		wd->sc_flags |= WDF_LBA;
80 	if ((wd->sc_flags & WDF_LBA48) != 0) {
82 		wd->sc_capacity =
83 		    ((uint64_t)wd->sc_params.atap_max_lba[3] << 48) |
84 		    ((uint64_t)wd->sc_params.atap_max_lba[2] << 32) |
85 		    ((uint64_t)wd->sc_params.atap_max_lba[1] << 16) |
86 		    ((uint64_t)wd->sc_params.atap_max_lba[0] <<  0);
88 		    wd->sc_params.atap_max_lba[3],
89 		    wd->sc_params.atap_max_lba[2],
90 		    wd->sc_params.atap_max_lba[1],
91 		    wd->sc_params.atap_max_lba[0]));
92 		wd->sc_capacity28 =
93 		    ((uint32_t)wd->sc_params.atap_capacity[1] << 16) |
94 		    ((uint32_t)wd->sc_params.atap_capacity[0] <<  0);
96 		    wd->sc_params.atap_capacity[1],
97 		    wd->sc_params.atap_capacity[0]));
98 	} else if ((wd->sc_flags & WDF_LBA) != 0) {
100 		wd->sc_capacity =
101 		    ((uint32_t)wd->sc_params.atap_capacity[1] << 16) |
102 		    ((uint32_t)wd->sc_params.atap_capacity[0] <<  0);
103 		wd->sc_capacity28 =
104 		    ((uint32_t)wd->sc_params.atap_capacity[1] << 16) |
105 		    ((uint32_t)wd->sc_params.atap_capacity[0] <<  0);
108 		wd->sc_capacity = wd->sc_capacity28 =
109 		    wd->sc_params.atap_cylinders *
110 		    wd->sc_params.atap_heads *
111 		    wd->sc_params.atap_sectors;
113 	DPRINTF(("wd->sc_capacity = %" PRId64 ", wd->sc_capacity28 = %d.\n",
114 	    wd->sc_capacity, wd->sc_capacity28));
123 wdgetdefaultlabel(struct wd_softc *wd, struct disklabel *lp)
129 	lp->d_ntracks = wd->sc_params.atap_heads;
130 	lp->d_nsectors = wd->sc_params.atap_sectors;
131 	lp->d_ncylinders = wd->sc_params.atap_cylinders;
134 	if (strcmp((const char *)wd->sc_params.atap_model, "ST506") == 0)
139 	strncpy(lp->d_typename, (const char *)wd->sc_params.atap_model, 16);
141 	if (wd->sc_capacity > UINT32_MAX)
144 		lp->d_secperunit = wd->sc_capacity;
164 wdgetdisklabel(struct wd_softc *wd)
174 	wdgetdefaultlabel(wd, &wd->sc_label);
180 	if (wdstrategy(wd, F_READ, MBR_BBSECTOR, DEV_BSIZE, buf, &rsize))
198 	if (wdstrategy(wd, F_READ, sector + LABELSECTOR, DEV_BSIZE,
202 	msg = getdisklabel((const char *)buf + LABELOFFSET, &wd->sc_label);
205 		    (wd->sc_unit == 0) ? "master" : "slave", msg);
207 	lp = &wd->sc_label;
210 	if ((wd->sc_part >= lp->d_npartitions) ||
211 	    (lp->d_partitions[wd->sc_part].p_fstype == FS_UNUSED)) {
218 	    wd->sc_label.d_secsize,
219 	    wd->sc_label.d_nsectors,
220 	    wd->sc_label.d_ncylinders,
221 	    wd->sc_label.d_ntracks,
222 	    wd->sc_label.d_secpercyl));
236 	struct wd_softc *wd;
250 	wd = alloc(sizeof(struct wd_softc));
251 	if (wd == NULL)
254 	memset(wd, 0, sizeof(struct wd_softc));
256 	wd->sc_part = part;
257 	wd->sc_unit = unit;
258 	wd->sc_ctlr = ctlr;
260 	if ((error = wd_get_params(wd)) != 0)
263 	if ((error = wdgetdisklabel(wd)) != 0)
266 	f->f_devdata = wd;
288 	struct wd_softc *wd;
299 	wd = f;
300 	pp = &wd->sc_label.d_partitions[wd->sc_part];
302 	nsect = howmany(size, wd->sc_label.d_secsize);
310 		if ((error = wdc_exec_read(wd, WDCC_READ, blkno, buf)) != 0)
313 		buf += wd->sc_label.d_secsize;
OpenGrok
