1 /* $NetBSD: atapiconf.c,v 1.95 2022/04/09 23:38:32 riastradh 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 1.95 2022/04/09 23:38:32 riastradh 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 #include <sys/atomic.h> 38 39 #include <dev/scsipi/scsipi_all.h> 40 #include <dev/scsipi/scsipiconf.h> 41 #include <dev/scsipi/atapiconf.h> 42 43 #include "locators.h" 44 45 #define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string 46 #define MAX_TARGET 1 47 48 const struct scsipi_periphsw atapi_probe_periphsw = { 49 NULL, 50 NULL, 51 NULL, 52 NULL, 53 }; 54 55 static int atapibusmatch(device_t, cfdata_t, void *); 56 static void atapibusattach(device_t, device_t, void *); 57 static int atapibusdetach(device_t, int flags); 58 static void atapibuschilddet(device_t, device_t); 59 60 static int atapibussubmatch(device_t, cfdata_t, const int *, void *); 61 62 static int atapi_probe_bus(struct atapibus_softc *, int); 63 64 static int atapibusprint(void *, const char *); 65 66 CFATTACH_DECL3_NEW(atapibus, sizeof(struct atapibus_softc), 67 atapibusmatch, atapibusattach, atapibusdetach, NULL, NULL, 68 atapibuschilddet, DVF_DETACH_SHUTDOWN); 69 70 extern struct cfdriver atapibus_cd; 71 72 static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = { 73 {{T_CDROM, T_REMOV, 74 "ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, PQUIRK_NOTUR}, 75 {{T_CDROM, T_REMOV, 76 "CR-2801TE", "", "1.07"}, PQUIRK_NOSENSE}, 77 {{T_CDROM, T_REMOV, 78 "CREATIVECD3630E", "", "AC101"}, PQUIRK_NOSENSE}, 79 {{T_CDROM, T_REMOV, 80 "FX320S", "", "q01"}, PQUIRK_NOSENSE}, 81 {{T_CDROM, T_REMOV, 82 "GCD-R580B", "", "1.00"}, PQUIRK_LITTLETOC}, 83 {{T_CDROM, T_REMOV, 84 "HITACHI CDR-7730", "", "0008a"}, PQUIRK_NOSENSE}, 85 {{T_CDROM, T_REMOV, 86 "MATSHITA CR-574", "", "1.02"}, PQUIRK_NOCAPACITY}, 87 {{T_CDROM, T_REMOV, 88 "MATSHITA CR-574", "", "1.06"}, PQUIRK_NOCAPACITY}, 89 {{T_CDROM, T_REMOV, 90 "Memorex CRW-2642", "", "1.0g"}, PQUIRK_NOSENSE}, 91 {{T_CDROM, T_REMOV, 92 "NEC CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR}, 93 {{T_CDROM, T_REMOV, 94 "SANYO CRD-256P", "", "1.02"}, PQUIRK_NOCAPACITY}, 95 {{T_CDROM, T_REMOV, 96 "SANYO CRD-254P", "", "1.02"}, PQUIRK_NOCAPACITY}, 97 {{T_CDROM, T_REMOV, 98 "SANYO CRD-S54P", "", "1.08"}, PQUIRK_NOCAPACITY}, 99 {{T_CDROM, T_REMOV, 100 "CD-ROM CDR-S1", "", "1.70"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 101 {{T_CDROM, T_REMOV, 102 "CD-ROM CDR-N16", "", "1.25"}, PQUIRK_NOCAPACITY}, /* Sanyo */ 103 }; 104 105 int atapiprint(void * aux,const char * pnp)106 atapiprint(void *aux, const char *pnp) 107 { 108 if (pnp) 109 aprint_normal("atapibus at %s", pnp); 110 return (UNCONF); 111 } 112 113 static int atapibusmatch(device_t parent,cfdata_t cf,void * aux)114 atapibusmatch(device_t parent, cfdata_t cf, void *aux) 115 { 116 struct scsipi_channel *chan = aux; 117 118 if (chan == NULL) 119 return (0); 120 121 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 122 SCSIPI_BUSTYPE_ATAPI) 123 return (0); 124 125 return (1); 126 } 127 128 static int atapibussubmatch(device_t parent,cfdata_t cf,const int * ldesc,void * aux)129 atapibussubmatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 130 { 131 struct scsipibus_attach_args *sa = aux; 132 struct scsipi_periph *periph = sa->sa_periph; 133 134 if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT && 135 cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target) 136 return (0); 137 return (config_match(parent, cf, aux)); 138 } 139 140 static void atapibusattach(device_t parent,device_t self,void * aux)141 atapibusattach(device_t parent, device_t self, void *aux) 142 { 143 struct atapibus_softc *sc = device_private(self); 144 struct scsipi_channel *chan = aux; 145 146 sc->sc_channel = chan; 147 sc->sc_dev = self; 148 149 chan->chan_name = device_xname(sc->sc_dev); 150 chan->chan_id = -1; 151 152 /* ATAPI has no LUNs. */ 153 chan->chan_nluns = 1; 154 aprint_naive("\n"); 155 aprint_normal(": %d targets\n", chan->chan_ntargets); 156 157 if (atomic_inc_uint_nv(&chan_running(chan)) == 1) 158 mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO); 159 160 cv_init(&chan->chan_cv_thr, "scshut"); 161 cv_init(&chan->chan_cv_comp, "sccomp"); 162 cv_init(&chan->chan_cv_xs, "xscmd"); 163 164 /* Initialize the channel. */ 165 chan->chan_init_cb = NULL; 166 chan->chan_init_cb_arg = NULL; 167 scsipi_channel_init(chan); 168 169 if (!pmf_device_register(self, NULL, NULL)) 170 aprint_error_dev(self, "couldn't establish power handler\n"); 171 172 /* Probe the bus for devices. */ 173 atapi_probe_bus(sc, -1); 174 } 175 176 static void atapibuschilddet(device_t self,device_t child)177 atapibuschilddet(device_t self, device_t child) 178 { 179 struct atapibus_softc *sc = device_private(self); 180 struct scsipi_channel *chan = sc->sc_channel; 181 struct scsipi_periph *periph; 182 int target; 183 184 mutex_enter(chan_mtx(chan)); 185 for (target = 0; target < chan->chan_ntargets; target++) { 186 periph = scsipi_lookup_periph_locked(chan, target, 0); 187 if (periph == NULL || periph->periph_dev != child) 188 continue; 189 scsipi_remove_periph(chan, periph); 190 scsipi_free_periph(periph); 191 break; 192 } 193 mutex_exit(chan_mtx(chan)); 194 } 195 196 /* same as scsibusdetach */ 197 static int atapibusdetach(device_t self,int flags)198 atapibusdetach(device_t self, int flags) 199 { 200 struct atapibus_softc *sc = device_private(self); 201 struct scsipi_channel *chan = sc->sc_channel; 202 int error = 0; 203 204 /* 205 * Detach all of the periphs. 206 */ 207 error = scsipi_target_detach(chan, -1, -1, flags); 208 if (error) 209 return error; 210 211 pmf_device_deregister(self); 212 213 /* 214 * Shut down the channel. 215 */ 216 scsipi_channel_shutdown(chan); 217 218 cv_destroy(&chan->chan_cv_xs); 219 cv_destroy(&chan->chan_cv_comp); 220 cv_destroy(&chan->chan_cv_thr); 221 222 membar_release(); 223 if (atomic_dec_uint_nv(&chan_running(chan)) == 0) { 224 membar_acquire(); 225 mutex_destroy(chan_mtx(chan)); 226 } 227 228 return 0; 229 } 230 231 static int atapi_probe_bus(struct atapibus_softc * sc,int target)232 atapi_probe_bus(struct atapibus_softc *sc, int target) 233 { 234 struct scsipi_channel *chan = sc->sc_channel; 235 int maxtarget, mintarget; 236 int error; 237 struct atapi_adapter *atapi_adapter; 238 239 KASSERT(chan->chan_ntargets >= 1); 240 241 if (target == -1) { 242 maxtarget = chan->chan_ntargets - 1; 243 mintarget = 0; 244 } else { 245 if (target < 0 || target >= chan->chan_ntargets) 246 return (ENXIO); 247 maxtarget = mintarget = target; 248 } 249 250 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 251 return (error); 252 atapi_adapter = (struct atapi_adapter*)chan->chan_adapter; 253 for (target = mintarget; target <= maxtarget; target++) 254 atapi_adapter->atapi_probe_device(sc, target); 255 scsipi_adapter_delref(chan->chan_adapter); 256 return (0); 257 } 258 259 void * atapi_probe_device(struct atapibus_softc * sc,int target,struct scsipi_periph * periph,struct scsipibus_attach_args * sa)260 atapi_probe_device(struct atapibus_softc *sc, int target, 261 struct scsipi_periph *periph, struct scsipibus_attach_args *sa) 262 { 263 struct scsipi_channel *chan = sc->sc_channel; 264 const struct scsi_quirk_inquiry_pattern *finger; 265 cfdata_t cf; 266 int priority, quirks; 267 268 finger = scsipi_inqmatch( 269 &sa->sa_inqbuf, (const void *)atapi_quirk_patterns, 270 sizeof(atapi_quirk_patterns) / 271 sizeof(atapi_quirk_patterns[0]), 272 sizeof(atapi_quirk_patterns[0]), &priority); 273 274 if (finger != NULL) 275 quirks = finger->quirks; 276 else 277 quirks = 0; 278 279 /* 280 * Now apply any quirks from the table. 281 */ 282 periph->periph_quirks |= quirks; 283 284 if ((cf = config_search(sc->sc_dev, sa, 285 CFARGS(.submatch = 286 atapibussubmatch))) != NULL) { 287 scsipi_insert_periph(chan, periph); 288 /* 289 * XXX Can't assign periph_dev here, because we'll 290 * XXX need it before config_attach() returns. Must 291 * XXX assign it in periph driver. 292 */ 293 return config_attach(sc->sc_dev, cf, sa, atapibusprint, 294 CFARGS_NONE); 295 } else { 296 atapibusprint(sa, device_xname(sc->sc_dev)); 297 aprint_normal(" not configured\n"); 298 scsipi_free_periph(periph); 299 return NULL; 300 } 301 } 302 303 static int atapibusprint(void * aux,const char * pnp)304 atapibusprint(void *aux, const char *pnp) 305 { 306 struct scsipibus_attach_args *sa = aux; 307 struct scsipi_inquiry_pattern *inqbuf; 308 const char *dtype; 309 310 if (pnp != NULL) 311 aprint_normal("%s", pnp); 312 313 inqbuf = &sa->sa_inqbuf; 314 315 dtype = scsipi_dtype(inqbuf->type & SID_TYPE); 316 aprint_normal(" drive %d: <%s, %s, %s> %s %s", 317 sa->sa_periph->periph_target, inqbuf->vendor, 318 inqbuf->product, inqbuf->revision, dtype, 319 inqbuf->removable ? "removable" : "fixed"); 320 return (UNCONF); 321 } 322