1 /* $NetBSD: st_atapi.c,v 1.8 2002/04/23 20:41:20 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: st_atapi.c,v 1.8 2002/04/23 20:41:20 bouyer Exp $"); 36 37 #include "opt_scsi.h" 38 #include "rnd.h" 39 40 #include <sys/param.h> 41 #include <sys/device.h> 42 #include <sys/buf.h> 43 #include <sys/conf.h> 44 #include <sys/kernel.h> 45 #include <sys/systm.h> 46 47 #include <dev/scsipi/stvar.h> 48 #include <dev/scsipi/atapi_tape.h> 49 50 int st_atapibus_match __P((struct device *, struct cfdata *, void *)); 51 void st_atapibus_attach __P((struct device *, struct device *, void *)); 52 int st_atapibus_ops __P((struct st_softc *, int, int)); 53 int st_atapibus_mode_sense __P((struct st_softc *, int)); 54 int st_atapibus_mode_select __P((struct st_softc *, int)); 55 int st_atapibus_do_ms __P((struct st_softc *, int, void *, int, int)); 56 57 struct cfattach st_atapibus_ca = { 58 sizeof(struct st_softc), st_atapibus_match, st_atapibus_attach, 59 stdetach, stactivate 60 }; 61 62 const struct scsipi_inquiry_pattern st_atapibus_patterns[] = { 63 {T_SEQUENTIAL, T_REMOV, 64 "", "", ""}, 65 }; 66 67 int 68 st_atapibus_match(parent, match, aux) 69 struct device *parent; 70 struct cfdata *match; 71 void *aux; 72 { 73 struct scsipibus_attach_args *sa = aux; 74 int priority; 75 76 if (scsipi_periph_bustype(sa->sa_periph) != SCSIPI_BUSTYPE_ATAPI) 77 return (0); 78 79 (void)scsipi_inqmatch(&sa->sa_inqbuf, 80 (caddr_t)st_atapibus_patterns, 81 sizeof(st_atapibus_patterns)/sizeof(st_atapibus_patterns[0]), 82 sizeof(st_atapibus_patterns[0]), &priority); 83 return (priority); 84 } 85 86 void 87 st_atapibus_attach(parent, self, aux) 88 struct device *parent, *self; 89 void *aux; 90 { 91 struct st_softc *st = (void *)self; 92 struct scsipibus_attach_args *sa = aux; 93 struct scsipi_periph *periph = sa->sa_periph; 94 95 if (strcmp(sa->sa_inqbuf.vendor, "OnStream DI-30") == 0) { 96 struct ast_identifypage identify; 97 int error; 98 99 error = scsipi_mode_sense(periph, SMS_DBD, 100 ATAPI_TAPE_IDENTIFY_PAGE, &identify.header, 101 sizeof(identify), XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK, 102 ST_RETRIES, ST_CTL_TIME); 103 if (error) { 104 printf("onstream get identify: error %d\n", error); 105 return; 106 } 107 strncpy(identify.ident, "NBSD", 4); 108 error = scsipi_mode_select(periph, SMS_PF, 109 &identify.header, sizeof(identify), 110 XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK, 111 ST_RETRIES, ST_CTL_TIME); 112 if (error) { 113 printf("onstream set identify: error %d\n", error); 114 return; 115 } 116 } 117 118 st->ops = st_atapibus_ops; 119 stattach(parent, st, aux); 120 } 121 122 int 123 st_atapibus_ops(st, op, flags) 124 struct st_softc *st; 125 int op; 126 int flags; 127 { 128 switch(op) { 129 case ST_OPS_RBL: 130 /* done in mode_sense */ 131 return 0; 132 case ST_OPS_MODESENSE: 133 return st_atapibus_mode_sense(st, flags); 134 case ST_OPS_MODESELECT: 135 return st_atapibus_mode_select(st, flags); 136 case ST_OPS_CMPRSS_ON: 137 case ST_OPS_CMPRSS_OFF: 138 return ENODEV; 139 default: 140 panic("st_scsibus_ops: invalid op"); 141 /* NOTREACHED */ 142 } 143 } 144 145 int 146 st_atapibus_mode_sense(st, flags) 147 struct st_softc *st; 148 int flags; 149 { 150 int count, error; 151 struct atapi_cappage cappage; 152 struct scsipi_periph *periph = st->sc_periph; 153 154 /* get drive capabilities, some drives needs this repeated */ 155 for (count = 0 ; count < 5 ; count++) { 156 error = scsipi_mode_sense(periph, SMS_DBD, 157 ATAPI_TAPE_CAP_PAGE, &cappage.header, sizeof(cappage), 158 flags | XS_CTL_DATA_ONSTACK, ST_RETRIES, ST_CTL_TIME); 159 if (error == 0) { 160 st->numblks = 0; /* unused anyway */ 161 if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK32K) 162 st->media_blksize = 32768; 163 else if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK1K) 164 st->media_blksize = 1024; 165 else if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK512) 166 st->media_blksize = 512; 167 else { 168 error = ENODEV; 169 continue; 170 } 171 st->blkmin = st->blkmax = st->media_blksize; 172 st->media_density = 0; 173 if (cappage.header.dev_spec & SMH_DSP_WRITE_PROT) 174 st->flags |= ST_READONLY; 175 else 176 st->flags &= ~ST_READONLY; 177 SC_DEBUG(periph, SCSIPI_DB3, 178 ("density code %d, %d-byte blocks, write-%s, ", 179 st->media_density, st->media_blksize, 180 st->flags & ST_READONLY ? "protected" : "enabled")); 181 SC_DEBUG(periph, SCSIPI_DB3, 182 ("%sbuffered\n", 183 cappage.header.dev_spec & SMH_DSP_BUFF_MODE ? 184 "" : "un")); 185 periph->periph_flags |= PERIPH_MEDIA_LOADED; 186 return 0; 187 } 188 } 189 return error; 190 } 191 192 int 193 st_atapibus_mode_select(st, flags) 194 struct st_softc *st; 195 int flags; 196 { 197 return ENODEV; /* for now ... */ 198 } 199