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 | |