1 /* $NetBSD: st_atapi.c,v 1.11 2002/10/02 16:52:56 thorpej 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 1.11 2002/10/02 16:52:56 thorpej 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 CFATTACH_DECL(st_atapibus, sizeof(struct st_softc), 58 st_atapibus_match, st_atapibus_attach, stdetach, stactivate); 59 60 const struct scsipi_inquiry_pattern st_atapibus_patterns[] = { 61 {T_SEQUENTIAL, T_REMOV, 62 "", "", ""}, 63 }; 64 65 int 66 st_atapibus_match(parent, match, aux) 67 struct device *parent; 68 struct cfdata *match; 69 void *aux; 70 { 71 struct scsipibus_attach_args *sa = aux; 72 int priority; 73 74 if (scsipi_periph_bustype(sa->sa_periph) != SCSIPI_BUSTYPE_ATAPI) 75 return (0); 76 77 (void)scsipi_inqmatch(&sa->sa_inqbuf, 78 (caddr_t)st_atapibus_patterns, 79 sizeof(st_atapibus_patterns)/sizeof(st_atapibus_patterns[0]), 80 sizeof(st_atapibus_patterns[0]), &priority); 81 return (priority); 82 } 83 84 void 85 st_atapibus_attach(parent, self, aux) 86 struct device *parent, *self; 87 void *aux; 88 { 89 struct st_softc *st = (void *)self; 90 struct scsipibus_attach_args *sa = aux; 91 struct scsipi_periph *periph = sa->sa_periph; 92 93 if (strcmp(sa->sa_inqbuf.vendor, "OnStream DI-30") == 0) { 94 struct ast_identifypage identify; 95 int error; 96 97 error = scsipi_mode_sense(periph, SMS_DBD, 98 ATAPI_TAPE_IDENTIFY_PAGE, &identify.header, 99 sizeof(identify), XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK, 100 ST_RETRIES, ST_CTL_TIME); 101 if (error) { 102 printf("onstream get identify: error %d\n", error); 103 return; 104 } 105 strncpy(identify.ident, "NBSD", 4); 106 error = scsipi_mode_select(periph, SMS_PF, 107 &identify.header, sizeof(identify), 108 XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK, 109 ST_RETRIES, ST_CTL_TIME); 110 if (error) { 111 printf("onstream set identify: error %d\n", error); 112 return; 113 } 114 } 115 116 st->ops = st_atapibus_ops; 117 stattach(parent, st, aux); 118 } 119 120 int 121 st_atapibus_ops(st, op, flags) 122 struct st_softc *st; 123 int op; 124 int flags; 125 { 126 switch(op) { 127 case ST_OPS_RBL: 128 /* done in mode_sense */ 129 return 0; 130 case ST_OPS_MODESENSE: 131 return st_atapibus_mode_sense(st, flags); 132 case ST_OPS_MODESELECT: 133 return st_atapibus_mode_select(st, flags); 134 case ST_OPS_CMPRSS_ON: 135 case ST_OPS_CMPRSS_OFF: 136 return ENODEV; 137 default: 138 panic("st_scsibus_ops: invalid op"); 139 /* NOTREACHED */ 140 } 141 } 142 143 int 144 st_atapibus_mode_sense(st, flags) 145 struct st_softc *st; 146 int flags; 147 { 148 int count, error; 149 struct atapi_cappage cappage; 150 struct scsipi_periph *periph = st->sc_periph; 151 152 /* get drive capabilities, some drives needs this repeated */ 153 for (count = 0 ; count < 5 ; count++) { 154 error = scsipi_mode_sense(periph, SMS_DBD, 155 ATAPI_TAPE_CAP_PAGE, &cappage.header, sizeof(cappage), 156 flags | XS_CTL_DATA_ONSTACK, ST_RETRIES, ST_CTL_TIME); 157 if (error == 0) { 158 st->numblks = 0; /* unused anyway */ 159 if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK32K) 160 st->media_blksize = 32768; 161 else if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK1K) 162 st->media_blksize = 1024; 163 else if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK512) 164 st->media_blksize = 512; 165 else { 166 error = ENODEV; 167 continue; 168 } 169 st->blkmin = st->blkmax = st->media_blksize; 170 st->media_density = 0; 171 if (cappage.header.dev_spec & SMH_DSP_WRITE_PROT) 172 st->flags |= ST_READONLY; 173 else 174 st->flags &= ~ST_READONLY; 175 SC_DEBUG(periph, SCSIPI_DB3, 176 ("density code %d, %d-byte blocks, write-%s, ", 177 st->media_density, st->media_blksize, 178 st->flags & ST_READONLY ? "protected" : "enabled")); 179 SC_DEBUG(periph, SCSIPI_DB3, 180 ("%sbuffered\n", 181 cappage.header.dev_spec & SMH_DSP_BUFF_MODE ? 182 "" : "un")); 183 periph->periph_flags |= PERIPH_MEDIA_LOADED; 184 return 0; 185 } 186 } 187 return error; 188 } 189 190 int 191 st_atapibus_mode_select(st, flags) 192 struct st_softc *st; 193 int flags; 194 { 195 return ENODEV; /* for now ... */ 196 } 197