| 1 | /* $NetBSD: atapiconf.c,v 1.89 2016/11/20 15:37:19 mlelstv Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1996, 2001 Manuel Bouyer. All rights reserved. |
| 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 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: atapiconf.c,v 1.89 2016/11/20 15:37:19 mlelstv Exp $" ); |
| 29 | |
| 30 | #include <sys/param.h> |
| 31 | #include <sys/systm.h> |
| 32 | #include <sys/malloc.h> |
| 33 | #include <sys/device.h> |
| 34 | #include <sys/buf.h> |
| 35 | #include <sys/proc.h> |
| 36 | #include <sys/kthread.h> |
| 37 | |
| 38 | #include <dev/scsipi/scsipi_all.h> |
| 39 | #include <dev/scsipi/scsipiconf.h> |
| 40 | #include <dev/scsipi/atapiconf.h> |
| 41 | |
| 42 | #include "locators.h" |
| 43 | |
| 44 | #define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string |
| 45 | #define MAX_TARGET 1 |
| 46 | |
| 47 | const struct scsipi_periphsw atapi_probe_periphsw = { |
| 48 | NULL, |
| 49 | NULL, |
| 50 | NULL, |
| 51 | NULL, |
| 52 | }; |
| 53 | |
| 54 | static int atapibusmatch(device_t, cfdata_t, void *); |
| 55 | static void atapibusattach(device_t, device_t, void *); |
| 56 | static int atapibusdetach(device_t, int flags); |
| 57 | static void atapibuschilddet(device_t, device_t); |
| 58 | |
| 59 | static int atapibussubmatch(device_t, cfdata_t, const int *, void *); |
| 60 | |
| 61 | static int atapi_probe_bus(struct atapibus_softc *, int); |
| 62 | |
| 63 | static int atapibusprint(void *, const char *); |
| 64 | |
| 65 | CFATTACH_DECL3_NEW(atapibus, sizeof(struct atapibus_softc), |
| 66 | atapibusmatch, atapibusattach, atapibusdetach, NULL, NULL, |
| 67 | atapibuschilddet, DVF_DETACH_SHUTDOWN); |
| 68 | |
| 69 | extern struct cfdriver atapibus_cd; |
| 70 | |
| 71 | static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = { |
| 72 | {{T_CDROM, T_REMOV, |
| 73 | "ALPS ELECTRIC CO.,LTD. DC544C" , "" , "SW03D" }, PQUIRK_NOTUR}, |
| 74 | {{T_CDROM, T_REMOV, |
| 75 | "CR-2801TE" , "" , "1.07" }, PQUIRK_NOSENSE}, |
| 76 | {{T_CDROM, T_REMOV, |
| 77 | "CREATIVECD3630E" , "" , "AC101" }, PQUIRK_NOSENSE}, |
| 78 | {{T_CDROM, T_REMOV, |
| 79 | "FX320S" , "" , "q01" }, PQUIRK_NOSENSE}, |
| 80 | {{T_CDROM, T_REMOV, |
| 81 | "GCD-R580B" , "" , "1.00" }, PQUIRK_LITTLETOC}, |
| 82 | {{T_CDROM, T_REMOV, |
| 83 | "HITACHI CDR-7730" , "" , "0008a" }, PQUIRK_NOSENSE}, |
| 84 | {{T_CDROM, T_REMOV, |
| 85 | "MATSHITA CR-574" , "" , "1.02" }, PQUIRK_NOCAPACITY}, |
| 86 | {{T_CDROM, T_REMOV, |
| 87 | "MATSHITA CR-574" , "" , "1.06" }, PQUIRK_NOCAPACITY}, |
| 88 | {{T_CDROM, T_REMOV, |
| 89 | "Memorex CRW-2642" , "" , "1.0g" }, PQUIRK_NOSENSE}, |
| 90 | {{T_CDROM, T_REMOV, |
| 91 | "NEC CD-ROM DRIVE:273" , "" , "4.21" }, PQUIRK_NOTUR}, |
| 92 | {{T_CDROM, T_REMOV, |
| 93 | "SANYO CRD-256P" , "" , "1.02" }, PQUIRK_NOCAPACITY}, |
| 94 | {{T_CDROM, T_REMOV, |
| 95 | "SANYO CRD-254P" , "" , "1.02" }, PQUIRK_NOCAPACITY}, |
| 96 | {{T_CDROM, T_REMOV, |
| 97 | "SANYO CRD-S54P" , "" , "1.08" }, PQUIRK_NOCAPACITY}, |
| 98 | {{T_CDROM, T_REMOV, |
| 99 | "CD-ROM CDR-S1" , "" , "1.70" }, PQUIRK_NOCAPACITY}, /* Sanyo */ |
| 100 | {{T_CDROM, T_REMOV, |
| 101 | "CD-ROM CDR-N16" , "" , "1.25" }, PQUIRK_NOCAPACITY}, /* Sanyo */ |
| 102 | }; |
| 103 | |
| 104 | int |
| 105 | atapiprint(void *aux, const char *pnp) |
| 106 | { |
| 107 | if (pnp) |
| 108 | aprint_normal("atapibus at %s" , pnp); |
| 109 | return (UNCONF); |
| 110 | } |
| 111 | |
| 112 | static int |
| 113 | atapibusmatch(device_t parent, cfdata_t cf, void *aux) |
| 114 | { |
| 115 | struct scsipi_channel *chan = aux; |
| 116 | |
| 117 | if (chan == NULL) |
| 118 | return (0); |
| 119 | |
| 120 | if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != |
| 121 | SCSIPI_BUSTYPE_ATAPI) |
| 122 | return (0); |
| 123 | |
| 124 | return (1); |
| 125 | } |
| 126 | |
| 127 | static int |
| 128 | atapibussubmatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) |
| 129 | { |
| 130 | struct scsipibus_attach_args *sa = aux; |
| 131 | struct scsipi_periph *periph = sa->sa_periph; |
| 132 | |
| 133 | if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT && |
| 134 | cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target) |
| 135 | return (0); |
| 136 | return (config_match(parent, cf, aux)); |
| 137 | } |
| 138 | |
| 139 | static void |
| 140 | atapibusattach(device_t parent, device_t self, void *aux) |
| 141 | { |
| 142 | struct atapibus_softc *sc = device_private(self); |
| 143 | struct scsipi_channel *chan = aux; |
| 144 | |
| 145 | sc->sc_channel = chan; |
| 146 | sc->sc_dev = self; |
| 147 | |
| 148 | chan->chan_name = device_xname(sc->sc_dev); |
| 149 | |
| 150 | /* ATAPI has no LUNs. */ |
| 151 | chan->chan_nluns = 1; |
| 152 | aprint_naive("\n" ); |
| 153 | aprint_normal(": %d targets\n" , chan->chan_ntargets); |
| 154 | |
| 155 | mutex_init(&chan->chan_adapter->adapt_mtx, MUTEX_DEFAULT, IPL_BIO); |
| 156 | cv_init(&chan->chan_cv_thr, "scshut" ); |
| 157 | cv_init(&chan->chan_cv_comp, "sccomp" ); |
| 158 | cv_init(&chan->chan_cv_xs, "xscmd" ); |
| 159 | |
| 160 | /* Initialize the channel. */ |
| 161 | chan->chan_init_cb = NULL; |
| 162 | chan->chan_init_cb_arg = NULL; |
| 163 | scsipi_channel_init(chan); |
| 164 | |
| 165 | if (!pmf_device_register(self, NULL, NULL)) |
| 166 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 167 | |
| 168 | /* Probe the bus for devices. */ |
| 169 | atapi_probe_bus(sc, -1); |
| 170 | } |
| 171 | |
| 172 | static void |
| 173 | atapibuschilddet(device_t self, device_t child) |
| 174 | { |
| 175 | struct atapibus_softc *sc = device_private(self); |
| 176 | struct scsipi_channel *chan = sc->sc_channel; |
| 177 | struct scsipi_periph *periph; |
| 178 | int target; |
| 179 | |
| 180 | mutex_enter(chan_mtx(chan)); |
| 181 | for (target = 0; target < chan->chan_ntargets; target++) { |
| 182 | periph = scsipi_lookup_periph_locked(chan, target, 0); |
| 183 | if (periph == NULL || periph->periph_dev != child) |
| 184 | continue; |
| 185 | scsipi_remove_periph(chan, periph); |
| 186 | scsipi_free_periph(periph); |
| 187 | break; |
| 188 | } |
| 189 | mutex_exit(chan_mtx(chan)); |
| 190 | } |
| 191 | |
| 192 | static int |
| 193 | atapibusdetach(device_t self, int flags) |
| 194 | { |
| 195 | struct atapibus_softc *sc = device_private(self); |
| 196 | struct scsipi_channel *chan = sc->sc_channel; |
| 197 | struct scsipi_periph *periph; |
| 198 | int target, error = 0; |
| 199 | |
| 200 | /* |
| 201 | * Shut down the channel. |
| 202 | */ |
| 203 | scsipi_channel_shutdown(chan); |
| 204 | |
| 205 | /* for config_detach() */ |
| 206 | KERNEL_LOCK(1, curlwp); |
| 207 | |
| 208 | /* |
| 209 | * Now detach all of the periphs. |
| 210 | */ |
| 211 | mutex_enter(chan_mtx(chan)); |
| 212 | for (target = 0; target < chan->chan_ntargets; target++) { |
| 213 | periph = scsipi_lookup_periph_locked(chan, target, 0); |
| 214 | if (periph == NULL) |
| 215 | continue; |
| 216 | error = config_detach(periph->periph_dev, flags); |
| 217 | if (error) { |
| 218 | mutex_exit(chan_mtx(chan)); |
| 219 | goto out; |
| 220 | } |
| 221 | KASSERT(scsipi_lookup_periph(chan, target, 0) == NULL); |
| 222 | } |
| 223 | mutex_exit(chan_mtx(chan)); |
| 224 | |
| 225 | out: |
| 226 | cv_destroy(&chan->chan_cv_xs); |
| 227 | cv_destroy(&chan->chan_cv_comp); |
| 228 | cv_destroy(&chan->chan_cv_thr); |
| 229 | mutex_destroy(chan_mtx(chan)); |
| 230 | |
| 231 | /* XXXSMP scsipi */ |
| 232 | KERNEL_UNLOCK_ONE(curlwp); |
| 233 | return error; |
| 234 | } |
| 235 | |
| 236 | static int |
| 237 | atapi_probe_bus(struct atapibus_softc *sc, int target) |
| 238 | { |
| 239 | struct scsipi_channel *chan = sc->sc_channel; |
| 240 | int maxtarget, mintarget; |
| 241 | int error; |
| 242 | struct atapi_adapter *atapi_adapter; |
| 243 | |
| 244 | KASSERT(chan->chan_ntargets >= 1); |
| 245 | |
| 246 | if (target == -1) { |
| 247 | maxtarget = chan->chan_ntargets - 1; |
| 248 | mintarget = 0; |
| 249 | } else { |
| 250 | if (target < 0 || target >= chan->chan_ntargets) |
| 251 | return (ENXIO); |
| 252 | maxtarget = mintarget = target; |
| 253 | } |
| 254 | |
| 255 | if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) |
| 256 | return (error); |
| 257 | atapi_adapter = (struct atapi_adapter*)chan->chan_adapter; |
| 258 | for (target = mintarget; target <= maxtarget; target++) |
| 259 | atapi_adapter->atapi_probe_device(sc, target); |
| 260 | scsipi_adapter_delref(chan->chan_adapter); |
| 261 | return (0); |
| 262 | } |
| 263 | |
| 264 | void * |
| 265 | atapi_probe_device(struct atapibus_softc *sc, int target, |
| 266 | struct scsipi_periph *periph, struct scsipibus_attach_args *sa) |
| 267 | { |
| 268 | struct scsipi_channel *chan = sc->sc_channel; |
| 269 | const struct scsi_quirk_inquiry_pattern *finger; |
| 270 | cfdata_t cf; |
| 271 | int priority, quirks; |
| 272 | |
| 273 | finger = scsipi_inqmatch( |
| 274 | &sa->sa_inqbuf, (const void *)atapi_quirk_patterns, |
| 275 | sizeof(atapi_quirk_patterns) / |
| 276 | sizeof(atapi_quirk_patterns[0]), |
| 277 | sizeof(atapi_quirk_patterns[0]), &priority); |
| 278 | |
| 279 | if (finger != NULL) |
| 280 | quirks = finger->quirks; |
| 281 | else |
| 282 | quirks = 0; |
| 283 | |
| 284 | /* |
| 285 | * Now apply any quirks from the table. |
| 286 | */ |
| 287 | periph->periph_quirks |= quirks; |
| 288 | |
| 289 | if ((cf = config_search_ia(atapibussubmatch, sc->sc_dev, |
| 290 | "atapibus" , sa)) != 0) { |
| 291 | scsipi_insert_periph(chan, periph); |
| 292 | /* |
| 293 | * XXX Can't assign periph_dev here, because we'll |
| 294 | * XXX need it before config_attach() returns. Must |
| 295 | * XXX assign it in periph driver. |
| 296 | */ |
| 297 | return config_attach(sc->sc_dev, cf, sa, |
| 298 | atapibusprint); |
| 299 | } else { |
| 300 | atapibusprint(sa, device_xname(sc->sc_dev)); |
| 301 | aprint_normal(" not configured\n" ); |
| 302 | scsipi_free_periph(periph); |
| 303 | return NULL; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | static int |
| 308 | atapibusprint(void *aux, const char *pnp) |
| 309 | { |
| 310 | struct scsipibus_attach_args *sa = aux; |
| 311 | struct scsipi_inquiry_pattern *inqbuf; |
| 312 | const char *dtype; |
| 313 | |
| 314 | if (pnp != NULL) |
| 315 | aprint_normal("%s" , pnp); |
| 316 | |
| 317 | inqbuf = &sa->sa_inqbuf; |
| 318 | |
| 319 | dtype = scsipi_dtype(inqbuf->type & SID_TYPE); |
| 320 | aprint_normal(" drive %d: <%s, %s, %s> %s %s" , |
| 321 | sa->sa_periph->periph_target, inqbuf->vendor, |
| 322 | inqbuf->product, inqbuf->revision, dtype, |
| 323 | inqbuf->removable ? "removable" : "fixed" ); |
| 324 | return (UNCONF); |
| 325 | } |
| 326 | |