st_atapi.c revision 1.24
1 /* $NetBSD: st_atapi.c,v 1.24 2009/10/19 18:41:16 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: st_atapi.c,v 1.24 2009/10/19 18:41:16 bouyer Exp $"); 30 31 #include "opt_scsi.h" 32 #include "rnd.h" 33 34 #include <sys/param.h> 35 #include <sys/device.h> 36 #include <sys/buf.h> 37 #include <sys/bufq.h> 38 #include <sys/conf.h> 39 #include <sys/kernel.h> 40 #include <sys/systm.h> 41 42 #include <dev/scsipi/stvar.h> 43 #include <dev/scsipi/atapi_tape.h> 44 45 static int st_atapibus_match(device_t, cfdata_t, void *); 46 static void st_atapibus_attach(device_t, device_t, void *); 47 static int st_atapibus_ops(struct st_softc *, int, int); 48 static int st_atapibus_mode_sense(struct st_softc *, int); 49 50 CFATTACH_DECL(st_atapibus, sizeof(struct st_softc), 51 st_atapibus_match, st_atapibus_attach, stdetach, stactivate); 52 53 static const struct scsipi_inquiry_pattern st_atapibus_patterns[] = { 54 {T_SEQUENTIAL, T_REMOV, 55 "", "", ""}, 56 }; 57 58 static int 59 st_atapibus_match(device_t parent, cfdata_t match, 60 void *aux) 61 { 62 struct scsipibus_attach_args *sa = aux; 63 int priority; 64 65 if (scsipi_periph_bustype(sa->sa_periph) != SCSIPI_BUSTYPE_ATAPI) 66 return (0); 67 68 (void)scsipi_inqmatch(&sa->sa_inqbuf, 69 st_atapibus_patterns, 70 sizeof(st_atapibus_patterns)/sizeof(st_atapibus_patterns[0]), 71 sizeof(st_atapibus_patterns[0]), &priority); 72 return (priority); 73 } 74 75 static void 76 st_atapibus_attach(device_t parent, device_t self, void *aux) 77 { 78 struct st_softc *st = device_private(self); 79 struct scsipibus_attach_args *sa = aux; 80 struct scsipi_periph *periph = sa->sa_periph; 81 82 if (strcmp(sa->sa_inqbuf.vendor, "OnStream DI-30") == 0) { 83 struct ast_identifypage identify; 84 int error; 85 86 error = scsipi_mode_sense(periph, SMS_DBD, 87 ATAPI_TAPE_IDENTIFY_PAGE, &identify.header, 88 sizeof(identify), XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK, 89 ST_RETRIES, ST_CTL_TIME); 90 if (error) { 91 printf("onstream get identify: error %d\n", error); 92 return; 93 } 94 strncpy(identify.ident, "NBSD", 4); 95 error = scsipi_mode_select(periph, SMS_PF, 96 &identify.header, sizeof(identify), 97 XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK, 98 ST_RETRIES, ST_CTL_TIME); 99 if (error) { 100 printf("onstream set identify: error %d\n", error); 101 return; 102 } 103 } 104 105 st->ops = st_atapibus_ops; 106 stattach(parent, st, aux); 107 } 108 109 static int 110 st_atapibus_ops(struct st_softc *st, int op, int flags) 111 { 112 switch(op) { 113 case ST_OPS_RBL: 114 /* done in mode_sense */ 115 return 0; 116 case ST_OPS_MODESENSE: 117 return st_atapibus_mode_sense(st, flags); 118 case ST_OPS_MODESELECT: 119 return st_mode_select(st, flags); 120 case ST_OPS_CMPRSS_ON: 121 case ST_OPS_CMPRSS_OFF: 122 return ENODEV; 123 default: 124 panic("st_scsibus_ops: invalid op"); 125 /* NOTREACHED */ 126 } 127 } 128 129 static int 130 st_atapibus_mode_sense(struct st_softc *st, int flags) 131 { 132 int count, error; 133 struct atapi_cappage cappage; 134 struct scsipi_periph *periph = st->sc_periph; 135 136 /* get drive capabilities, some drives needs this repeated */ 137 for (count = 0 ; count < 5 ; count++) { 138 error = scsipi_mode_sense(periph, SMS_DBD, 139 ATAPI_TAPE_CAP_PAGE, &cappage.header, sizeof(cappage), 140 flags | XS_CTL_DATA_ONSTACK, ST_RETRIES, ST_CTL_TIME); 141 if (error == 0) { 142 st->numblks = 0; /* unused anyway */ 143 if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK32K) 144 st->media_blksize = 32768; 145 else if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK1K) 146 st->media_blksize = 1024; 147 else if (cappage.cap4 & ATAPI_TAPE_CAP_PAGE_BLK512) 148 st->media_blksize = 512; 149 else { 150 error = ENODEV; 151 continue; 152 } 153 st->blkmin = st->blkmax = st->media_blksize; 154 st->media_density = 0; 155 if (cappage.header.dev_spec & SMH_DSP_WRITE_PROT) 156 st->flags |= ST_READONLY; 157 else 158 st->flags &= ~ST_READONLY; 159 SC_DEBUG(periph, SCSIPI_DB3, 160 ("density code %d, %d-byte blocks, write-%s, ", 161 st->media_density, st->media_blksize, 162 st->flags & ST_READONLY ? "protected" : "enabled")); 163 SC_DEBUG(periph, SCSIPI_DB3, 164 ("%sbuffered\n", 165 cappage.header.dev_spec & SMH_DSP_BUFF_MODE ? 166 "" : "un")); 167 periph->periph_flags |= PERIPH_MEDIA_LOADED; 168 return 0; 169 } 170 } 171 return error; 172 } 173
Indexes created Sat Sep 27 14:09:57 GMT 2025