Deleted Added
full compact
scsi_cd.c (164906) scsi_cd.c (168752)
1/*-
2 * Copyright (c) 1997 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry.
4 * 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 * without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/*-
29 * Portions of this driver taken from the original FreeBSD cd driver.
30 * Written by Julian Elischer (julian@tfs.com)
31 * for TRW Financial Systems for use under the MACH(2.5) operating system.
32 *
33 * TRW Financial Systems, in accordance with their agreement with Carnegie
34 * Mellon University, makes this software available to CMU to distribute
35 * or use in any manner that they see fit as long as this message is kept with
36 * the software. For this reason TFS also grants any other persons or
37 * organisations permission to use or modify this software.
38 *
39 * TFS supplies this software to be publicly redistributed
40 * on the understanding that TFS is not responsible for the correct
41 * functioning of this software in any circumstances.
42 *
43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
44 *
45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
46 */
47
48#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1997 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry.
4 * 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 * without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/*-
29 * Portions of this driver taken from the original FreeBSD cd driver.
30 * Written by Julian Elischer (julian@tfs.com)
31 * for TRW Financial Systems for use under the MACH(2.5) operating system.
32 *
33 * TRW Financial Systems, in accordance with their agreement with Carnegie
34 * Mellon University, makes this software available to CMU to distribute
35 * or use in any manner that they see fit as long as this message is kept with
36 * the software. For this reason TFS also grants any other persons or
37 * organisations permission to use or modify this software.
38 *
39 * TFS supplies this software to be publicly redistributed
40 * on the understanding that TFS is not responsible for the correct
41 * functioning of this software in any circumstances.
42 *
43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
44 *
45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
46 */
47
48#include <sys/cdefs.h>
49__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_cd.c 164906 2006-12-05 07:45:28Z mjacob $");
49__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_cd.c 168752 2007-04-15 08:49:19Z scottl $");
50
51#include "opt_cd.h"
52
53#include <sys/param.h>
54#include <sys/systm.h>
55#include <sys/kernel.h>
56#include <sys/bio.h>
57#include <sys/conf.h>
58#include <sys/disk.h>
59#include <sys/malloc.h>
60#include <sys/cdio.h>
61#include <sys/cdrio.h>
62#include <sys/dvdio.h>
63#include <sys/devicestat.h>
64#include <sys/sysctl.h>
65#include <sys/taskqueue.h>
66#include <geom/geom_disk.h>
67
68#include <cam/cam.h>
69#include <cam/cam_ccb.h>
70#include <cam/cam_periph.h>
71#include <cam/cam_xpt_periph.h>
72#include <cam/cam_queue.h>
50
51#include "opt_cd.h"
52
53#include <sys/param.h>
54#include <sys/systm.h>
55#include <sys/kernel.h>
56#include <sys/bio.h>
57#include <sys/conf.h>
58#include <sys/disk.h>
59#include <sys/malloc.h>
60#include <sys/cdio.h>
61#include <sys/cdrio.h>
62#include <sys/dvdio.h>
63#include <sys/devicestat.h>
64#include <sys/sysctl.h>
65#include <sys/taskqueue.h>
66#include <geom/geom_disk.h>
67
68#include <cam/cam.h>
69#include <cam/cam_ccb.h>
70#include <cam/cam_periph.h>
71#include <cam/cam_xpt_periph.h>
72#include <cam/cam_queue.h>
73#include <cam/cam_sim.h>
73
74#include <cam/scsi/scsi_message.h>
75#include <cam/scsi/scsi_da.h>
76#include <cam/scsi/scsi_cd.h>
77
78#define LEADOUT 0xaa /* leadout toc entry */
79
80struct cd_params {
81 u_int32_t blksize;
82 u_long disksize;
83};
84
85typedef enum {
86 CD_Q_NONE = 0x00,
87 CD_Q_NO_TOUCH = 0x01,
88 CD_Q_BCD_TRACKS = 0x02,
89 CD_Q_NO_CHANGER = 0x04,
90 CD_Q_CHANGER = 0x08,
91 CD_Q_10_BYTE_ONLY = 0x10
92} cd_quirks;
93
94typedef enum {
95 CD_FLAG_INVALID = 0x0001,
96 CD_FLAG_NEW_DISC = 0x0002,
97 CD_FLAG_DISC_LOCKED = 0x0004,
98 CD_FLAG_DISC_REMOVABLE = 0x0008,
99 CD_FLAG_TAGGED_QUEUING = 0x0010,
100 CD_FLAG_CHANGER = 0x0040,
101 CD_FLAG_ACTIVE = 0x0080,
102 CD_FLAG_SCHED_ON_COMP = 0x0100,
103 CD_FLAG_RETRY_UA = 0x0200,
104 CD_FLAG_VALID_MEDIA = 0x0400,
105 CD_FLAG_VALID_TOC = 0x0800,
74
75#include <cam/scsi/scsi_message.h>
76#include <cam/scsi/scsi_da.h>
77#include <cam/scsi/scsi_cd.h>
78
79#define LEADOUT 0xaa /* leadout toc entry */
80
81struct cd_params {
82 u_int32_t blksize;
83 u_long disksize;
84};
85
86typedef enum {
87 CD_Q_NONE = 0x00,
88 CD_Q_NO_TOUCH = 0x01,
89 CD_Q_BCD_TRACKS = 0x02,
90 CD_Q_NO_CHANGER = 0x04,
91 CD_Q_CHANGER = 0x08,
92 CD_Q_10_BYTE_ONLY = 0x10
93} cd_quirks;
94
95typedef enum {
96 CD_FLAG_INVALID = 0x0001,
97 CD_FLAG_NEW_DISC = 0x0002,
98 CD_FLAG_DISC_LOCKED = 0x0004,
99 CD_FLAG_DISC_REMOVABLE = 0x0008,
100 CD_FLAG_TAGGED_QUEUING = 0x0010,
101 CD_FLAG_CHANGER = 0x0040,
102 CD_FLAG_ACTIVE = 0x0080,
103 CD_FLAG_SCHED_ON_COMP = 0x0100,
104 CD_FLAG_RETRY_UA = 0x0200,
105 CD_FLAG_VALID_MEDIA = 0x0400,
106 CD_FLAG_VALID_TOC = 0x0800,
106 CD_FLAG_SCTX_INIT = 0x1000
107 CD_FLAG_SCTX_INIT = 0x1000,
108 CD_FLAG_OPEN = 0x2000
107} cd_flags;
108
109typedef enum {
110 CD_CCB_PROBE = 0x01,
111 CD_CCB_BUFFER_IO = 0x02,
112 CD_CCB_WAITING = 0x03,
113 CD_CCB_TYPE_MASK = 0x0F,
114 CD_CCB_RETRY_UA = 0x10
115} cd_ccb_state;
116
117typedef enum {
118 CHANGER_TIMEOUT_SCHED = 0x01,
119 CHANGER_SHORT_TMOUT_SCHED = 0x02,
120 CHANGER_MANUAL_CALL = 0x04,
121 CHANGER_NEED_TIMEOUT = 0x08
122} cd_changer_flags;
123
124#define ccb_state ppriv_field0
125#define ccb_bp ppriv_ptr1
126
127struct cd_tocdata {
128 struct ioc_toc_header header;
129 struct cd_toc_entry entries[100];
130};
131
132struct cd_toc_single {
133 struct ioc_toc_header header;
134 struct cd_toc_entry entry;
135};
136
137typedef enum {
138 CD_STATE_PROBE,
139 CD_STATE_NORMAL
140} cd_state;
141
142struct cd_softc {
143 cam_pinfo pinfo;
144 cd_state state;
145 volatile cd_flags flags;
146 struct bio_queue_head bio_queue;
147 LIST_HEAD(, ccb_hdr) pending_ccbs;
148 struct cd_params params;
149 union ccb saved_ccb;
150 cd_quirks quirks;
151 STAILQ_ENTRY(cd_softc) changer_links;
152 struct cdchanger *changer;
153 int bufs_left;
154 struct cam_periph *periph;
155 int minimum_command_size;
156 int outstanding_cmds;
157 struct task sysctl_task;
158 struct sysctl_ctx_list sysctl_ctx;
159 struct sysctl_oid *sysctl_tree;
160 STAILQ_HEAD(, cd_mode_params) mode_queue;
161 struct cd_tocdata toc;
162 struct disk *disk;
163};
164
165struct cd_page_sizes {
166 int page;
167 int page_size;
168};
169
170static struct cd_page_sizes cd_page_size_table[] =
171{
172 { AUDIO_PAGE, sizeof(struct cd_audio_page)}
173};
174
175struct cd_quirk_entry {
176 struct scsi_inquiry_pattern inq_pat;
177 cd_quirks quirks;
178};
179
180/*
181 * The changer quirk entries aren't strictly necessary. Basically, what
182 * they do is tell cdregister() up front that a device is a changer.
183 * Otherwise, it will figure that fact out once it sees a LUN on the device
184 * that is greater than 0. If it is known up front that a device is a changer,
185 * all I/O to the device will go through the changer scheduling routines, as
186 * opposed to the "normal" CD code.
187 *
188 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because
189 * your device hangs when it gets a 10 byte command. Adding a quirk just
190 * to get rid of the informative diagnostic message is not acceptable. All
191 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
192 * referenced in a comment along with the quirk) , and must be approved by
193 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may
194 * be removed until the submitter can explain why they are needed.
195 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
196 * when the CAM_NEW_TRAN_CODE work is done.
197 */
198static struct cd_quirk_entry cd_quirk_table[] =
199{
200 {
201 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"},
202 /*quirks*/ CD_Q_CHANGER
203 },
204 {
205 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*",
206 "*"}, /* quirks */ CD_Q_CHANGER
207 },
208 {
209 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"},
210 /* quirks */ CD_Q_CHANGER
211 },
212 {
213 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
214 /* quirks */ CD_Q_BCD_TRACKS
215 }
216};
217
218static disk_open_t cdopen;
219static disk_close_t cdclose;
220static disk_ioctl_t cdioctl;
221static disk_strategy_t cdstrategy;
222
223static periph_init_t cdinit;
224static periph_ctor_t cdregister;
225static periph_dtor_t cdcleanup;
226static periph_start_t cdstart;
227static periph_oninv_t cdoninvalidate;
228static void cdasync(void *callback_arg, u_int32_t code,
229 struct cam_path *path, void *arg);
230static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
231static void cdshorttimeout(void *arg);
232static void cdschedule(struct cam_periph *periph, int priority);
233static void cdrunchangerqueue(void *arg);
234static void cdchangerschedule(struct cd_softc *softc);
235static int cdrunccb(union ccb *ccb,
236 int (*error_routine)(union ccb *ccb,
237 u_int32_t cam_flags,
238 u_int32_t sense_flags),
239 u_int32_t cam_flags, u_int32_t sense_flags);
240static union ccb *cdgetccb(struct cam_periph *periph,
241 u_int32_t priority);
242static void cddone(struct cam_periph *periph,
243 union ccb *start_ccb);
244static union cd_pages *cdgetpage(struct cd_mode_params *mode_params);
245static int cdgetpagesize(int page_num);
246static void cdprevent(struct cam_periph *periph, int action);
247static int cdcheckmedia(struct cam_periph *periph);
248static int cdsize(struct cam_periph *periph, u_int32_t *size);
249static int cd6byteworkaround(union ccb *ccb);
250static int cderror(union ccb *ccb, u_int32_t cam_flags,
251 u_int32_t sense_flags);
252static int cdreadtoc(struct cam_periph *periph, u_int32_t mode,
253 u_int32_t start, u_int8_t *data,
254 u_int32_t len, u_int32_t sense_flags);
255static int cdgetmode(struct cam_periph *periph,
256 struct cd_mode_params *data, u_int32_t page);
257static int cdsetmode(struct cam_periph *periph,
258 struct cd_mode_params *data);
259static int cdplay(struct cam_periph *periph, u_int32_t blk,
260 u_int32_t len);
261static int cdreadsubchannel(struct cam_periph *periph,
262 u_int32_t mode, u_int32_t format,
263 int track,
264 struct cd_sub_channel_info *data,
265 u_int32_t len);
266static int cdplaymsf(struct cam_periph *periph, u_int32_t startm,
267 u_int32_t starts, u_int32_t startf,
268 u_int32_t endm, u_int32_t ends,
269 u_int32_t endf);
270static int cdplaytracks(struct cam_periph *periph,
271 u_int32_t strack, u_int32_t sindex,
272 u_int32_t etrack, u_int32_t eindex);
273static int cdpause(struct cam_periph *periph, u_int32_t go);
274static int cdstopunit(struct cam_periph *periph, u_int32_t eject);
275static int cdstartunit(struct cam_periph *periph, int load);
276static int cdsetspeed(struct cam_periph *periph,
277 u_int32_t rdspeed, u_int32_t wrspeed);
278static int cdreportkey(struct cam_periph *periph,
279 struct dvd_authinfo *authinfo);
280static int cdsendkey(struct cam_periph *periph,
281 struct dvd_authinfo *authinfo);
282static int cdreaddvdstructure(struct cam_periph *periph,
283 struct dvd_struct *dvdstruct);
284
285static struct periph_driver cddriver =
286{
287 cdinit, "cd",
288 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
289};
290
291PERIPHDRIVER_DECLARE(cd, cddriver);
292
109} cd_flags;
110
111typedef enum {
112 CD_CCB_PROBE = 0x01,
113 CD_CCB_BUFFER_IO = 0x02,
114 CD_CCB_WAITING = 0x03,
115 CD_CCB_TYPE_MASK = 0x0F,
116 CD_CCB_RETRY_UA = 0x10
117} cd_ccb_state;
118
119typedef enum {
120 CHANGER_TIMEOUT_SCHED = 0x01,
121 CHANGER_SHORT_TMOUT_SCHED = 0x02,
122 CHANGER_MANUAL_CALL = 0x04,
123 CHANGER_NEED_TIMEOUT = 0x08
124} cd_changer_flags;
125
126#define ccb_state ppriv_field0
127#define ccb_bp ppriv_ptr1
128
129struct cd_tocdata {
130 struct ioc_toc_header header;
131 struct cd_toc_entry entries[100];
132};
133
134struct cd_toc_single {
135 struct ioc_toc_header header;
136 struct cd_toc_entry entry;
137};
138
139typedef enum {
140 CD_STATE_PROBE,
141 CD_STATE_NORMAL
142} cd_state;
143
144struct cd_softc {
145 cam_pinfo pinfo;
146 cd_state state;
147 volatile cd_flags flags;
148 struct bio_queue_head bio_queue;
149 LIST_HEAD(, ccb_hdr) pending_ccbs;
150 struct cd_params params;
151 union ccb saved_ccb;
152 cd_quirks quirks;
153 STAILQ_ENTRY(cd_softc) changer_links;
154 struct cdchanger *changer;
155 int bufs_left;
156 struct cam_periph *periph;
157 int minimum_command_size;
158 int outstanding_cmds;
159 struct task sysctl_task;
160 struct sysctl_ctx_list sysctl_ctx;
161 struct sysctl_oid *sysctl_tree;
162 STAILQ_HEAD(, cd_mode_params) mode_queue;
163 struct cd_tocdata toc;
164 struct disk *disk;
165};
166
167struct cd_page_sizes {
168 int page;
169 int page_size;
170};
171
172static struct cd_page_sizes cd_page_size_table[] =
173{
174 { AUDIO_PAGE, sizeof(struct cd_audio_page)}
175};
176
177struct cd_quirk_entry {
178 struct scsi_inquiry_pattern inq_pat;
179 cd_quirks quirks;
180};
181
182/*
183 * The changer quirk entries aren't strictly necessary. Basically, what
184 * they do is tell cdregister() up front that a device is a changer.
185 * Otherwise, it will figure that fact out once it sees a LUN on the device
186 * that is greater than 0. If it is known up front that a device is a changer,
187 * all I/O to the device will go through the changer scheduling routines, as
188 * opposed to the "normal" CD code.
189 *
190 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because
191 * your device hangs when it gets a 10 byte command. Adding a quirk just
192 * to get rid of the informative diagnostic message is not acceptable. All
193 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
194 * referenced in a comment along with the quirk) , and must be approved by
195 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may
196 * be removed until the submitter can explain why they are needed.
197 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
198 * when the CAM_NEW_TRAN_CODE work is done.
199 */
200static struct cd_quirk_entry cd_quirk_table[] =
201{
202 {
203 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"},
204 /*quirks*/ CD_Q_CHANGER
205 },
206 {
207 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*",
208 "*"}, /* quirks */ CD_Q_CHANGER
209 },
210 {
211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"},
212 /* quirks */ CD_Q_CHANGER
213 },
214 {
215 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
216 /* quirks */ CD_Q_BCD_TRACKS
217 }
218};
219
220static disk_open_t cdopen;
221static disk_close_t cdclose;
222static disk_ioctl_t cdioctl;
223static disk_strategy_t cdstrategy;
224
225static periph_init_t cdinit;
226static periph_ctor_t cdregister;
227static periph_dtor_t cdcleanup;
228static periph_start_t cdstart;
229static periph_oninv_t cdoninvalidate;
230static void cdasync(void *callback_arg, u_int32_t code,
231 struct cam_path *path, void *arg);
232static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
233static void cdshorttimeout(void *arg);
234static void cdschedule(struct cam_periph *periph, int priority);
235static void cdrunchangerqueue(void *arg);
236static void cdchangerschedule(struct cd_softc *softc);
237static int cdrunccb(union ccb *ccb,
238 int (*error_routine)(union ccb *ccb,
239 u_int32_t cam_flags,
240 u_int32_t sense_flags),
241 u_int32_t cam_flags, u_int32_t sense_flags);
242static union ccb *cdgetccb(struct cam_periph *periph,
243 u_int32_t priority);
244static void cddone(struct cam_periph *periph,
245 union ccb *start_ccb);
246static union cd_pages *cdgetpage(struct cd_mode_params *mode_params);
247static int cdgetpagesize(int page_num);
248static void cdprevent(struct cam_periph *periph, int action);
249static int cdcheckmedia(struct cam_periph *periph);
250static int cdsize(struct cam_periph *periph, u_int32_t *size);
251static int cd6byteworkaround(union ccb *ccb);
252static int cderror(union ccb *ccb, u_int32_t cam_flags,
253 u_int32_t sense_flags);
254static int cdreadtoc(struct cam_periph *periph, u_int32_t mode,
255 u_int32_t start, u_int8_t *data,
256 u_int32_t len, u_int32_t sense_flags);
257static int cdgetmode(struct cam_periph *periph,
258 struct cd_mode_params *data, u_int32_t page);
259static int cdsetmode(struct cam_periph *periph,
260 struct cd_mode_params *data);
261static int cdplay(struct cam_periph *periph, u_int32_t blk,
262 u_int32_t len);
263static int cdreadsubchannel(struct cam_periph *periph,
264 u_int32_t mode, u_int32_t format,
265 int track,
266 struct cd_sub_channel_info *data,
267 u_int32_t len);
268static int cdplaymsf(struct cam_periph *periph, u_int32_t startm,
269 u_int32_t starts, u_int32_t startf,
270 u_int32_t endm, u_int32_t ends,
271 u_int32_t endf);
272static int cdplaytracks(struct cam_periph *periph,
273 u_int32_t strack, u_int32_t sindex,
274 u_int32_t etrack, u_int32_t eindex);
275static int cdpause(struct cam_periph *periph, u_int32_t go);
276static int cdstopunit(struct cam_periph *periph, u_int32_t eject);
277static int cdstartunit(struct cam_periph *periph, int load);
278static int cdsetspeed(struct cam_periph *periph,
279 u_int32_t rdspeed, u_int32_t wrspeed);
280static int cdreportkey(struct cam_periph *periph,
281 struct dvd_authinfo *authinfo);
282static int cdsendkey(struct cam_periph *periph,
283 struct dvd_authinfo *authinfo);
284static int cdreaddvdstructure(struct cam_periph *periph,
285 struct dvd_struct *dvdstruct);
286
287static struct periph_driver cddriver =
288{
289 cdinit, "cd",
290 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
291};
292
293PERIPHDRIVER_DECLARE(cd, cddriver);
294
293
294static int num_changers;
295
296#ifndef CHANGER_MIN_BUSY_SECONDS
297#define CHANGER_MIN_BUSY_SECONDS 5
298#endif
299#ifndef CHANGER_MAX_BUSY_SECONDS
300#define CHANGER_MAX_BUSY_SECONDS 15
301#endif
302
303static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS;
304static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS;
305
306SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
307SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer");
308SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW,
309 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum");
310TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds);
311SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW,
312 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum");
313TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds);
314
315struct cdchanger {
316 path_id_t path_id;
317 target_id_t target_id;
318 int num_devices;
319 struct camq devq;
320 struct timeval start_time;
321 struct cd_softc *cur_device;
295#ifndef CHANGER_MIN_BUSY_SECONDS
296#define CHANGER_MIN_BUSY_SECONDS 5
297#endif
298#ifndef CHANGER_MAX_BUSY_SECONDS
299#define CHANGER_MAX_BUSY_SECONDS 15
300#endif
301
302static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS;
303static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS;
304
305SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
306SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer");
307SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW,
308 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum");
309TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds);
310SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW,
311 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum");
312TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds);
313
314struct cdchanger {
315 path_id_t path_id;
316 target_id_t target_id;
317 int num_devices;
318 struct camq devq;
319 struct timeval start_time;
320 struct cd_softc *cur_device;
322 struct callout_handle short_handle;
323 struct callout_handle long_handle;
321 struct callout short_handle;
322 struct callout long_handle;
324 volatile cd_changer_flags flags;
325 STAILQ_ENTRY(cdchanger) changer_links;
326 STAILQ_HEAD(chdevlist, cd_softc) chluns;
327};
328
323 volatile cd_changer_flags flags;
324 STAILQ_ENTRY(cdchanger) changer_links;
325 STAILQ_HEAD(chdevlist, cd_softc) chluns;
326};
327
328static struct mtx changerq_mtx;
329static STAILQ_HEAD(changerlist, cdchanger) changerq;
329static STAILQ_HEAD(changerlist, cdchanger) changerq;
330static int num_changers;
330
331
331
332static void
333cdinit(void)
334{
335 cam_status status;
336 struct cam_path *path;
337
332static void
333cdinit(void)
334{
335 cam_status status;
336 struct cam_path *path;
337
338 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF);
339 STAILQ_INIT(&changerq);
340
338 /*
339 * Install a global async callback. This callback will
340 * receive async callbacks like "new device found".
341 */
342 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
343 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
344
345 if (status == CAM_REQ_CMP) {
346 struct ccb_setasync csa;
347
348 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
349 csa.ccb_h.func_code = XPT_SASYNC_CB;
350 csa.event_enable = AC_FOUND_DEVICE;
351 csa.callback = cdasync;
352 csa.callback_arg = NULL;
353 xpt_action((union ccb *)&csa);
354 status = csa.ccb_h.status;
355 xpt_free_path(path);
356 }
357
358 if (status != CAM_REQ_CMP) {
359 printf("cd: Failed to attach master async callback "
360 "due to status 0x%x!\n", status);
361 }
362}
363
364static void
365cdoninvalidate(struct cam_periph *periph)
366{
341 /*
342 * Install a global async callback. This callback will
343 * receive async callbacks like "new device found".
344 */
345 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
346 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
347
348 if (status == CAM_REQ_CMP) {
349 struct ccb_setasync csa;
350
351 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
352 csa.ccb_h.func_code = XPT_SASYNC_CB;
353 csa.event_enable = AC_FOUND_DEVICE;
354 csa.callback = cdasync;
355 csa.callback_arg = NULL;
356 xpt_action((union ccb *)&csa);
357 status = csa.ccb_h.status;
358 xpt_free_path(path);
359 }
360
361 if (status != CAM_REQ_CMP) {
362 printf("cd: Failed to attach master async callback "
363 "due to status 0x%x!\n", status);
364 }
365}
366
367static void
368cdoninvalidate(struct cam_periph *periph)
369{
367 int s;
368 struct cd_softc *softc;
369 struct ccb_setasync csa;
370
371 softc = (struct cd_softc *)periph->softc;
372
373 /*
374 * De-register any async callbacks.
375 */
376 xpt_setup_ccb(&csa.ccb_h, periph->path,
377 /* priority */ 5);
378 csa.ccb_h.func_code = XPT_SASYNC_CB;
379 csa.event_enable = 0;
380 csa.callback = cdasync;
381 csa.callback_arg = periph;
382 xpt_action((union ccb *)&csa);
383
384 softc->flags |= CD_FLAG_INVALID;
385
386 /*
370 struct cd_softc *softc;
371 struct ccb_setasync csa;
372
373 softc = (struct cd_softc *)periph->softc;
374
375 /*
376 * De-register any async callbacks.
377 */
378 xpt_setup_ccb(&csa.ccb_h, periph->path,
379 /* priority */ 5);
380 csa.ccb_h.func_code = XPT_SASYNC_CB;
381 csa.event_enable = 0;
382 csa.callback = cdasync;
383 csa.callback_arg = periph;
384 xpt_action((union ccb *)&csa);
385
386 softc->flags |= CD_FLAG_INVALID;
387
388 /*
387 * Although the oninvalidate() routines are always called at
388 * splsoftcam, we need to be at splbio() here to keep the buffer
389 * queue from being modified while we traverse it.
390 */
391 s = splbio();
392
393 /*
394 * Return all queued I/O with ENXIO.
395 * XXX Handle any transactions queued to the card
396 * with XPT_ABORT_CCB.
397 */
398 bioq_flush(&softc->bio_queue, NULL, ENXIO);
389 * Return all queued I/O with ENXIO.
390 * XXX Handle any transactions queued to the card
391 * with XPT_ABORT_CCB.
392 */
393 bioq_flush(&softc->bio_queue, NULL, ENXIO);
399 splx(s);
400
401 /*
402 * If this device is part of a changer, and it was scheduled
403 * to run, remove it from the run queue since we just nuked
404 * all of its scheduled I/O.
405 */
406 if ((softc->flags & CD_FLAG_CHANGER)
407 && (softc->pinfo.index != CAM_UNQUEUED_INDEX))
408 camq_remove(&softc->changer->devq, softc->pinfo.index);
409
410 disk_gone(softc->disk);
411 xpt_print(periph->path, "lost device\n");
412}
413
414static void
415cdcleanup(struct cam_periph *periph)
416{
417 struct cd_softc *softc;
394
395 /*
396 * If this device is part of a changer, and it was scheduled
397 * to run, remove it from the run queue since we just nuked
398 * all of its scheduled I/O.
399 */
400 if ((softc->flags & CD_FLAG_CHANGER)
401 && (softc->pinfo.index != CAM_UNQUEUED_INDEX))
402 camq_remove(&softc->changer->devq, softc->pinfo.index);
403
404 disk_gone(softc->disk);
405 xpt_print(periph->path, "lost device\n");
406}
407
408static void
409cdcleanup(struct cam_periph *periph)
410{
411 struct cd_softc *softc;
418 int s;
419
420 softc = (struct cd_softc *)periph->softc;
421
422 xpt_print(periph->path, "removing device entry\n");
423
424 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
425 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
426 xpt_print(periph->path, "can't remove sysctl context\n");
427 }
428
412
413 softc = (struct cd_softc *)periph->softc;
414
415 xpt_print(periph->path, "removing device entry\n");
416
417 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
418 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
419 xpt_print(periph->path, "can't remove sysctl context\n");
420 }
421
429 s = splsoftcam();
430 /*
431 * In the queued, non-active case, the device in question
432 * has already been removed from the changer run queue. Since this
433 * device is active, we need to de-activate it, and schedule
434 * another device to run. (if there is another one to run)
435 */
436 if ((softc->flags & CD_FLAG_CHANGER)
437 && (softc->flags & CD_FLAG_ACTIVE)) {
438
439 /*
440 * The purpose of the short timeout is soley to determine
441 * whether the current device has finished or not. Well,
442 * since we're removing the active device, we know that it
443 * is finished. So, get rid of the short timeout.
444 * Otherwise, if we're in the time period before the short
445 * timeout fires, and there are no other devices in the
446 * queue to run, there won't be any other device put in the
447 * active slot. i.e., when we call cdrunchangerqueue()
448 * below, it won't do anything. Then, when the short
449 * timeout fires, it'll look at the "current device", which
450 * we are free below, and possibly panic the kernel on a
451 * bogus pointer reference.
452 *
453 * The long timeout doesn't really matter, since we
454 * decrement the qfrozen_cnt to indicate that there is
455 * nothing in the active slot now. Therefore, there won't
456 * be any bogus pointer references there.
457 */
458 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
422 /*
423 * In the queued, non-active case, the device in question
424 * has already been removed from the changer run queue. Since this
425 * device is active, we need to de-activate it, and schedule
426 * another device to run. (if there is another one to run)
427 */
428 if ((softc->flags & CD_FLAG_CHANGER)
429 && (softc->flags & CD_FLAG_ACTIVE)) {
430
431 /*
432 * The purpose of the short timeout is soley to determine
433 * whether the current device has finished or not. Well,
434 * since we're removing the active device, we know that it
435 * is finished. So, get rid of the short timeout.
436 * Otherwise, if we're in the time period before the short
437 * timeout fires, and there are no other devices in the
438 * queue to run, there won't be any other device put in the
439 * active slot. i.e., when we call cdrunchangerqueue()
440 * below, it won't do anything. Then, when the short
441 * timeout fires, it'll look at the "current device", which
442 * we are free below, and possibly panic the kernel on a
443 * bogus pointer reference.
444 *
445 * The long timeout doesn't really matter, since we
446 * decrement the qfrozen_cnt to indicate that there is
447 * nothing in the active slot now. Therefore, there won't
448 * be any bogus pointer references there.
449 */
450 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
459 untimeout(cdshorttimeout, softc->changer,
460 softc->changer->short_handle);
451 callout_stop(&softc->changer->short_handle);
461 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
462 }
463 softc->changer->devq.qfrozen_cnt--;
464 softc->changer->flags |= CHANGER_MANUAL_CALL;
465 cdrunchangerqueue(softc->changer);
466 }
467
468 /*
469 * If we're removing the last device on the changer, go ahead and
470 * remove the changer device structure.
471 */
472 if ((softc->flags & CD_FLAG_CHANGER)
473 && (--softc->changer->num_devices == 0)) {
474
475 /*
476 * Theoretically, there shouldn't be any timeouts left, but
477 * I'm not completely sure that that will be the case. So,
478 * it won't hurt to check and see if there are any left.
479 */
480 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) {
452 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
453 }
454 softc->changer->devq.qfrozen_cnt--;
455 softc->changer->flags |= CHANGER_MANUAL_CALL;
456 cdrunchangerqueue(softc->changer);
457 }
458
459 /*
460 * If we're removing the last device on the changer, go ahead and
461 * remove the changer device structure.
462 */
463 if ((softc->flags & CD_FLAG_CHANGER)
464 && (--softc->changer->num_devices == 0)) {
465
466 /*
467 * Theoretically, there shouldn't be any timeouts left, but
468 * I'm not completely sure that that will be the case. So,
469 * it won't hurt to check and see if there are any left.
470 */
471 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) {
481 untimeout(cdrunchangerqueue, softc->changer,
482 softc->changer->long_handle);
472 callout_stop(&softc->changer->long_handle);
483 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED;
484 }
485
486 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
473 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED;
474 }
475
476 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
487 untimeout(cdshorttimeout, softc->changer,
488 softc->changer->short_handle);
477 callout_stop(&softc->changer->short_handle);
489 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
490 }
491
478 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
479 }
480
481 mtx_lock(&changerq_mtx);
492 STAILQ_REMOVE(&changerq, softc->changer, cdchanger,
493 changer_links);
482 STAILQ_REMOVE(&changerq, softc->changer, cdchanger,
483 changer_links);
484 num_changers--;
485 mtx_unlock(&changerq_mtx);
494 xpt_print(periph->path, "removing changer entry\n");
495 free(softc->changer, M_DEVBUF);
486 xpt_print(periph->path, "removing changer entry\n");
487 free(softc->changer, M_DEVBUF);
496 num_changers--;
497 }
498 disk_destroy(softc->disk);
499 free(softc, M_DEVBUF);
488 }
489 disk_destroy(softc->disk);
490 free(softc, M_DEVBUF);
500 splx(s);
501}
502
503static void
504cdasync(void *callback_arg, u_int32_t code,
505 struct cam_path *path, void *arg)
506{
507 struct cam_periph *periph;
508
509 periph = (struct cam_periph *)callback_arg;
510 switch (code) {
511 case AC_FOUND_DEVICE:
512 {
513 struct ccb_getdev *cgd;
514 cam_status status;
515
516 cgd = (struct ccb_getdev *)arg;
517 if (cgd == NULL)
518 break;
519
520 if (SID_TYPE(&cgd->inq_data) != T_CDROM
521 && SID_TYPE(&cgd->inq_data) != T_WORM)
522 break;
523
524 /*
525 * Allocate a peripheral instance for
526 * this device and start the probe
527 * process.
528 */
529 status = cam_periph_alloc(cdregister, cdoninvalidate,
530 cdcleanup, cdstart,
531 "cd", CAM_PERIPH_BIO,
532 cgd->ccb_h.path, cdasync,
533 AC_FOUND_DEVICE, cgd);
534
535 if (status != CAM_REQ_CMP
536 && status != CAM_REQ_INPROG)
537 printf("cdasync: Unable to attach new device "
538 "due to status 0x%x\n", status);
539
540 break;
541 }
542 case AC_SENT_BDR:
543 case AC_BUS_RESET:
544 {
545 struct cd_softc *softc;
546 struct ccb_hdr *ccbh;
491}
492
493static void
494cdasync(void *callback_arg, u_int32_t code,
495 struct cam_path *path, void *arg)
496{
497 struct cam_periph *periph;
498
499 periph = (struct cam_periph *)callback_arg;
500 switch (code) {
501 case AC_FOUND_DEVICE:
502 {
503 struct ccb_getdev *cgd;
504 cam_status status;
505
506 cgd = (struct ccb_getdev *)arg;
507 if (cgd == NULL)
508 break;
509
510 if (SID_TYPE(&cgd->inq_data) != T_CDROM
511 && SID_TYPE(&cgd->inq_data) != T_WORM)
512 break;
513
514 /*
515 * Allocate a peripheral instance for
516 * this device and start the probe
517 * process.
518 */
519 status = cam_periph_alloc(cdregister, cdoninvalidate,
520 cdcleanup, cdstart,
521 "cd", CAM_PERIPH_BIO,
522 cgd->ccb_h.path, cdasync,
523 AC_FOUND_DEVICE, cgd);
524
525 if (status != CAM_REQ_CMP
526 && status != CAM_REQ_INPROG)
527 printf("cdasync: Unable to attach new device "
528 "due to status 0x%x\n", status);
529
530 break;
531 }
532 case AC_SENT_BDR:
533 case AC_BUS_RESET:
534 {
535 struct cd_softc *softc;
536 struct ccb_hdr *ccbh;
547 int s;
548
549 softc = (struct cd_softc *)periph->softc;
537
538 softc = (struct cd_softc *)periph->softc;
550 s = splsoftcam();
551 /*
552 * Don't fail on the expected unit attention
553 * that will occur.
554 */
555 softc->flags |= CD_FLAG_RETRY_UA;
556 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
557 ccbh->ccb_state |= CD_CCB_RETRY_UA;
539 /*
540 * Don't fail on the expected unit attention
541 * that will occur.
542 */
543 softc->flags |= CD_FLAG_RETRY_UA;
544 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
545 ccbh->ccb_state |= CD_CCB_RETRY_UA;
558 splx(s);
559 /* FALLTHROUGH */
560 }
561 default:
562 cam_periph_async(periph, code, path, arg);
563 break;
564 }
565}
566
567static void
568cdsysctlinit(void *context, int pending)
569{
570 struct cam_periph *periph;
571 struct cd_softc *softc;
572 char tmpstr[80], tmpstr2[80];
573
574 periph = (struct cam_periph *)context;
546 /* FALLTHROUGH */
547 }
548 default:
549 cam_periph_async(periph, code, path, arg);
550 break;
551 }
552}
553
554static void
555cdsysctlinit(void *context, int pending)
556{
557 struct cam_periph *periph;
558 struct cd_softc *softc;
559 char tmpstr[80], tmpstr2[80];
560
561 periph = (struct cam_periph *)context;
575 softc = (struct cd_softc *)periph->softc;
562 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
563 return;
576
564
565 softc = (struct cd_softc *)periph->softc;
577 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
578 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
579
580 mtx_lock(&Giant);
581
582 sysctl_ctx_init(&softc->sysctl_ctx);
583 softc->flags |= CD_FLAG_SCTX_INIT;
584 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
585 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
586 tmpstr2, CTLFLAG_RD, 0, tmpstr);
587
588 if (softc->sysctl_tree == NULL) {
589 printf("cdsysctlinit: unable to allocate sysctl tree\n");
590 mtx_unlock(&Giant);
566 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
567 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
568
569 mtx_lock(&Giant);
570
571 sysctl_ctx_init(&softc->sysctl_ctx);
572 softc->flags |= CD_FLAG_SCTX_INIT;
573 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
574 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
575 tmpstr2, CTLFLAG_RD, 0, tmpstr);
576
577 if (softc->sysctl_tree == NULL) {
578 printf("cdsysctlinit: unable to allocate sysctl tree\n");
579 mtx_unlock(&Giant);
580 cam_periph_release(periph);
591 return;
592 }
593
594 /*
595 * Now register the sysctl handler, so the user can the value on
596 * the fly.
597 */
598 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
599 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
600 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
601 "Minimum CDB size");
602
603 mtx_unlock(&Giant);
581 return;
582 }
583
584 /*
585 * Now register the sysctl handler, so the user can the value on
586 * the fly.
587 */
588 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
589 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
590 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
591 "Minimum CDB size");
592
593 mtx_unlock(&Giant);
594 cam_periph_release(periph);
604}
605
606/*
607 * We have a handler function for this so we can check the values when the
608 * user sets them, instead of every time we look at them.
609 */
610static int
611cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
612{
613 int error, value;
614
615 value = *(int *)arg1;
616
617 error = sysctl_handle_int(oidp, &value, 0, req);
618
619 if ((error != 0)
620 || (req->newptr == NULL))
621 return (error);
622
623 /*
624 * The only real values we can have here are 6 or 10. I don't
625 * really forsee having 12 be an option at any time in the future.
626 * So if the user sets something less than or equal to 6, we'll set
627 * it to 6. If he sets something greater than 6, we'll set it to 10.
628 *
629 * I suppose we could just return an error here for the wrong values,
630 * but I don't think it's necessary to do so, as long as we can
631 * determine the user's intent without too much trouble.
632 */
633 if (value < 6)
634 value = 6;
635 else if (value > 6)
636 value = 10;
637
638 *(int *)arg1 = value;
639
640 return (0);
641}
642
643static cam_status
644cdregister(struct cam_periph *periph, void *arg)
645{
646 struct cd_softc *softc;
647 struct ccb_setasync csa;
648 struct ccb_pathinq cpi;
649 struct ccb_getdev *cgd;
650 char tmpstr[80];
651 caddr_t match;
652
653 cgd = (struct ccb_getdev *)arg;
654 if (periph == NULL) {
655 printf("cdregister: periph was NULL!!\n");
656 return(CAM_REQ_CMP_ERR);
657 }
658 if (cgd == NULL) {
659 printf("cdregister: no getdev CCB, can't register device\n");
660 return(CAM_REQ_CMP_ERR);
661 }
662
663 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
664
665 if (softc == NULL) {
666 printf("cdregister: Unable to probe new device. "
667 "Unable to allocate softc\n");
668 return(CAM_REQ_CMP_ERR);
669 }
670
671 bzero(softc, sizeof(*softc));
672 LIST_INIT(&softc->pending_ccbs);
673 STAILQ_INIT(&softc->mode_queue);
674 softc->state = CD_STATE_PROBE;
675 bioq_init(&softc->bio_queue);
676 if (SID_IS_REMOVABLE(&cgd->inq_data))
677 softc->flags |= CD_FLAG_DISC_REMOVABLE;
678 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
679 softc->flags |= CD_FLAG_TAGGED_QUEUING;
680
681 periph->softc = softc;
682 softc->periph = periph;
683
684 /*
685 * See if this device has any quirks.
686 */
687 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
688 (caddr_t)cd_quirk_table,
689 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
690 sizeof(*cd_quirk_table), scsi_inquiry_match);
691
692 if (match != NULL)
693 softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
694 else
695 softc->quirks = CD_Q_NONE;
696
697 /* Check if the SIM does not want 6 byte commands */
698 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
699 cpi.ccb_h.func_code = XPT_PATH_INQ;
700 xpt_action((union ccb *)&cpi);
701 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
702 softc->quirks |= CD_Q_10_BYTE_ONLY;
703
704 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
705
706 /* The default is 6 byte commands, unless quirked otherwise */
707 if (softc->quirks & CD_Q_10_BYTE_ONLY)
708 softc->minimum_command_size = 10;
709 else
710 softc->minimum_command_size = 6;
711
712 /*
713 * Load the user's default, if any.
714 */
715 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
716 periph->unit_number);
717 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
718
719 /* 6 and 10 are the only permissible values here. */
720 if (softc->minimum_command_size < 6)
721 softc->minimum_command_size = 6;
722 else if (softc->minimum_command_size > 6)
723 softc->minimum_command_size = 10;
724
725 /*
726 * We need to register the statistics structure for this device,
727 * but we don't have the blocksize yet for it. So, we register
728 * the structure and indicate that we don't have the blocksize
729 * yet. Unlike other SCSI peripheral drivers, we explicitly set
730 * the device type here to be CDROM, rather than just ORing in
731 * the device type. This is because this driver can attach to either
732 * CDROM or WORM devices, and we want this peripheral driver to
733 * show up in the devstat list as a CD peripheral driver, not a
734 * WORM peripheral driver. WORM drives will also have the WORM
735 * driver attached to them.
736 */
595}
596
597/*
598 * We have a handler function for this so we can check the values when the
599 * user sets them, instead of every time we look at them.
600 */
601static int
602cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
603{
604 int error, value;
605
606 value = *(int *)arg1;
607
608 error = sysctl_handle_int(oidp, &value, 0, req);
609
610 if ((error != 0)
611 || (req->newptr == NULL))
612 return (error);
613
614 /*
615 * The only real values we can have here are 6 or 10. I don't
616 * really forsee having 12 be an option at any time in the future.
617 * So if the user sets something less than or equal to 6, we'll set
618 * it to 6. If he sets something greater than 6, we'll set it to 10.
619 *
620 * I suppose we could just return an error here for the wrong values,
621 * but I don't think it's necessary to do so, as long as we can
622 * determine the user's intent without too much trouble.
623 */
624 if (value < 6)
625 value = 6;
626 else if (value > 6)
627 value = 10;
628
629 *(int *)arg1 = value;
630
631 return (0);
632}
633
634static cam_status
635cdregister(struct cam_periph *periph, void *arg)
636{
637 struct cd_softc *softc;
638 struct ccb_setasync csa;
639 struct ccb_pathinq cpi;
640 struct ccb_getdev *cgd;
641 char tmpstr[80];
642 caddr_t match;
643
644 cgd = (struct ccb_getdev *)arg;
645 if (periph == NULL) {
646 printf("cdregister: periph was NULL!!\n");
647 return(CAM_REQ_CMP_ERR);
648 }
649 if (cgd == NULL) {
650 printf("cdregister: no getdev CCB, can't register device\n");
651 return(CAM_REQ_CMP_ERR);
652 }
653
654 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
655
656 if (softc == NULL) {
657 printf("cdregister: Unable to probe new device. "
658 "Unable to allocate softc\n");
659 return(CAM_REQ_CMP_ERR);
660 }
661
662 bzero(softc, sizeof(*softc));
663 LIST_INIT(&softc->pending_ccbs);
664 STAILQ_INIT(&softc->mode_queue);
665 softc->state = CD_STATE_PROBE;
666 bioq_init(&softc->bio_queue);
667 if (SID_IS_REMOVABLE(&cgd->inq_data))
668 softc->flags |= CD_FLAG_DISC_REMOVABLE;
669 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
670 softc->flags |= CD_FLAG_TAGGED_QUEUING;
671
672 periph->softc = softc;
673 softc->periph = periph;
674
675 /*
676 * See if this device has any quirks.
677 */
678 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
679 (caddr_t)cd_quirk_table,
680 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
681 sizeof(*cd_quirk_table), scsi_inquiry_match);
682
683 if (match != NULL)
684 softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
685 else
686 softc->quirks = CD_Q_NONE;
687
688 /* Check if the SIM does not want 6 byte commands */
689 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
690 cpi.ccb_h.func_code = XPT_PATH_INQ;
691 xpt_action((union ccb *)&cpi);
692 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
693 softc->quirks |= CD_Q_10_BYTE_ONLY;
694
695 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
696
697 /* The default is 6 byte commands, unless quirked otherwise */
698 if (softc->quirks & CD_Q_10_BYTE_ONLY)
699 softc->minimum_command_size = 10;
700 else
701 softc->minimum_command_size = 6;
702
703 /*
704 * Load the user's default, if any.
705 */
706 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
707 periph->unit_number);
708 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
709
710 /* 6 and 10 are the only permissible values here. */
711 if (softc->minimum_command_size < 6)
712 softc->minimum_command_size = 6;
713 else if (softc->minimum_command_size > 6)
714 softc->minimum_command_size = 10;
715
716 /*
717 * We need to register the statistics structure for this device,
718 * but we don't have the blocksize yet for it. So, we register
719 * the structure and indicate that we don't have the blocksize
720 * yet. Unlike other SCSI peripheral drivers, we explicitly set
721 * the device type here to be CDROM, rather than just ORing in
722 * the device type. This is because this driver can attach to either
723 * CDROM or WORM devices, and we want this peripheral driver to
724 * show up in the devstat list as a CD peripheral driver, not a
725 * WORM peripheral driver. WORM drives will also have the WORM
726 * driver attached to them.
727 */
728 cam_periph_unlock(periph);
737 softc->disk = disk_alloc();
738 softc->disk->d_devstat = devstat_new_entry("cd",
739 periph->unit_number, 0,
740 DEVSTAT_BS_UNAVAILABLE,
741 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI,
742 DEVSTAT_PRIORITY_CD);
743 softc->disk->d_open = cdopen;
744 softc->disk->d_close = cdclose;
745 softc->disk->d_strategy = cdstrategy;
746 softc->disk->d_ioctl = cdioctl;
747 softc->disk->d_name = "cd";
748 softc->disk->d_unit = periph->unit_number;
749 softc->disk->d_drv1 = periph;
729 softc->disk = disk_alloc();
730 softc->disk->d_devstat = devstat_new_entry("cd",
731 periph->unit_number, 0,
732 DEVSTAT_BS_UNAVAILABLE,
733 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI,
734 DEVSTAT_PRIORITY_CD);
735 softc->disk->d_open = cdopen;
736 softc->disk->d_close = cdclose;
737 softc->disk->d_strategy = cdstrategy;
738 softc->disk->d_ioctl = cdioctl;
739 softc->disk->d_name = "cd";
740 softc->disk->d_unit = periph->unit_number;
741 softc->disk->d_drv1 = periph;
750 softc->disk->d_flags = DISKFLAG_NEEDSGIANT;
742 softc->disk->d_flags = 0;
751 disk_create(softc->disk, DISK_VERSION);
743 disk_create(softc->disk, DISK_VERSION);
744 cam_periph_lock(periph);
752
753 /*
754 * Add an async callback so that we get
755 * notified if this device goes away.
756 */
757 xpt_setup_ccb(&csa.ccb_h, periph->path,
758 /* priority */ 5);
759 csa.ccb_h.func_code = XPT_SASYNC_CB;
760 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
761 csa.callback = cdasync;
762 csa.callback_arg = periph;
763 xpt_action((union ccb *)&csa);
764
765 /*
766 * If the target lun is greater than 0, we most likely have a CD
767 * changer device. Check the quirk entries as well, though, just
768 * in case someone has a CD tower with one lun per drive or
769 * something like that. Also, if we know up front that a
770 * particular device is a changer, we can mark it as such starting
771 * with lun 0, instead of lun 1. It shouldn't be necessary to have
772 * a quirk entry to define something as a changer, however.
773 */
774 if (((cgd->ccb_h.target_lun > 0)
775 && ((softc->quirks & CD_Q_NO_CHANGER) == 0))
776 || ((softc->quirks & CD_Q_CHANGER) != 0)) {
777 struct cdchanger *nchanger;
778 struct cam_periph *nperiph;
779 struct cam_path *path;
780 cam_status status;
781 int found;
782
783 /* Set the changer flag in the current device's softc */
784 softc->flags |= CD_FLAG_CHANGER;
785
745
746 /*
747 * Add an async callback so that we get
748 * notified if this device goes away.
749 */
750 xpt_setup_ccb(&csa.ccb_h, periph->path,
751 /* priority */ 5);
752 csa.ccb_h.func_code = XPT_SASYNC_CB;
753 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
754 csa.callback = cdasync;
755 csa.callback_arg = periph;
756 xpt_action((union ccb *)&csa);
757
758 /*
759 * If the target lun is greater than 0, we most likely have a CD
760 * changer device. Check the quirk entries as well, though, just
761 * in case someone has a CD tower with one lun per drive or
762 * something like that. Also, if we know up front that a
763 * particular device is a changer, we can mark it as such starting
764 * with lun 0, instead of lun 1. It shouldn't be necessary to have
765 * a quirk entry to define something as a changer, however.
766 */
767 if (((cgd->ccb_h.target_lun > 0)
768 && ((softc->quirks & CD_Q_NO_CHANGER) == 0))
769 || ((softc->quirks & CD_Q_CHANGER) != 0)) {
770 struct cdchanger *nchanger;
771 struct cam_periph *nperiph;
772 struct cam_path *path;
773 cam_status status;
774 int found;
775
776 /* Set the changer flag in the current device's softc */
777 softc->flags |= CD_FLAG_CHANGER;
778
786 if (num_changers == 0)
787 STAILQ_INIT(&changerq);
788
789 /*
790 * Now, look around for an existing changer device with the
791 * same path and target ID as the current device.
792 */
779 /*
780 * Now, look around for an existing changer device with the
781 * same path and target ID as the current device.
782 */
783 mtx_lock(&changerq_mtx);
793 for (found = 0,
794 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq);
795 nchanger != NULL;
796 nchanger = STAILQ_NEXT(nchanger, changer_links)){
797 if ((nchanger->path_id == cgd->ccb_h.path_id)
798 && (nchanger->target_id == cgd->ccb_h.target_id)) {
799 found = 1;
800 break;
801 }
802 }
784 for (found = 0,
785 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq);
786 nchanger != NULL;
787 nchanger = STAILQ_NEXT(nchanger, changer_links)){
788 if ((nchanger->path_id == cgd->ccb_h.path_id)
789 && (nchanger->target_id == cgd->ccb_h.target_id)) {
790 found = 1;
791 break;
792 }
793 }
794 mtx_unlock(&changerq_mtx);
803
804 /*
805 * If we found a matching entry, just add this device to
806 * the list of devices on this changer.
807 */
808 if (found == 1) {
809 struct chdevlist *chlunhead;
810
811 chlunhead = &nchanger->chluns;
812
813 /*
814 * XXX KDM look at consolidating this code with the
815 * code below in a separate function.
816 */
817
818 /*
819 * Create a path with lun id 0, and see if we can
820 * find a matching device
821 */
822 status = xpt_create_path(&path, /*periph*/ periph,
823 cgd->ccb_h.path_id,
824 cgd->ccb_h.target_id, 0);
825
826 if ((status == CAM_REQ_CMP)
827 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){
828 struct cd_softc *nsoftc;
829
830 nsoftc = (struct cd_softc *)nperiph->softc;
831
832 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){
833 nsoftc->flags |= CD_FLAG_CHANGER;
834 nchanger->num_devices++;
835 if (camq_resize(&nchanger->devq,
836 nchanger->num_devices)!=CAM_REQ_CMP){
837 printf("cdregister: "
838 "camq_resize "
839 "failed, changer "
840 "support may "
841 "be messed up\n");
842 }
843 nsoftc->changer = nchanger;
844 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX;
845
846 STAILQ_INSERT_TAIL(&nchanger->chluns,
847 nsoftc,changer_links);
848 }
849 xpt_free_path(path);
850 } else if (status == CAM_REQ_CMP)
851 xpt_free_path(path);
852 else {
853 printf("cdregister: unable to allocate path\n"
854 "cdregister: changer support may be "
855 "broken\n");
856 }
857
858 nchanger->num_devices++;
859
860 softc->changer = nchanger;
861 softc->pinfo.index = CAM_UNQUEUED_INDEX;
862
863 if (camq_resize(&nchanger->devq,
864 nchanger->num_devices) != CAM_REQ_CMP) {
865 printf("cdregister: camq_resize "
866 "failed, changer support may "
867 "be messed up\n");
868 }
869
870 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links);
871 }
872 /*
873 * In this case, we don't already have an entry for this
874 * particular changer, so we need to create one, add it to
875 * the queue, and queue this device on the list for this
876 * changer. Before we queue this device, however, we need
877 * to search for lun id 0 on this target, and add it to the
878 * queue first, if it exists. (and if it hasn't already
879 * been marked as part of the changer.)
880 */
881 else {
882 nchanger = malloc(sizeof(struct cdchanger),
883 M_DEVBUF, M_NOWAIT);
884
885 if (nchanger == NULL) {
886 softc->flags &= ~CD_FLAG_CHANGER;
887 printf("cdregister: unable to malloc "
888 "changer structure\ncdregister: "
889 "changer support disabled\n");
890
891 /*
892 * Yes, gotos can be gross but in this case
893 * I think it's justified..
894 */
895 goto cdregisterexit;
896 }
897
898 /* zero the structure */
899 bzero(nchanger, sizeof(struct cdchanger));
900
901 if (camq_init(&nchanger->devq, 1) != 0) {
902 softc->flags &= ~CD_FLAG_CHANGER;
903 printf("cdregister: changer support "
904 "disabled\n");
905 goto cdregisterexit;
906 }
907
795
796 /*
797 * If we found a matching entry, just add this device to
798 * the list of devices on this changer.
799 */
800 if (found == 1) {
801 struct chdevlist *chlunhead;
802
803 chlunhead = &nchanger->chluns;
804
805 /*
806 * XXX KDM look at consolidating this code with the
807 * code below in a separate function.
808 */
809
810 /*
811 * Create a path with lun id 0, and see if we can
812 * find a matching device
813 */
814 status = xpt_create_path(&path, /*periph*/ periph,
815 cgd->ccb_h.path_id,
816 cgd->ccb_h.target_id, 0);
817
818 if ((status == CAM_REQ_CMP)
819 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){
820 struct cd_softc *nsoftc;
821
822 nsoftc = (struct cd_softc *)nperiph->softc;
823
824 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){
825 nsoftc->flags |= CD_FLAG_CHANGER;
826 nchanger->num_devices++;
827 if (camq_resize(&nchanger->devq,
828 nchanger->num_devices)!=CAM_REQ_CMP){
829 printf("cdregister: "
830 "camq_resize "
831 "failed, changer "
832 "support may "
833 "be messed up\n");
834 }
835 nsoftc->changer = nchanger;
836 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX;
837
838 STAILQ_INSERT_TAIL(&nchanger->chluns,
839 nsoftc,changer_links);
840 }
841 xpt_free_path(path);
842 } else if (status == CAM_REQ_CMP)
843 xpt_free_path(path);
844 else {
845 printf("cdregister: unable to allocate path\n"
846 "cdregister: changer support may be "
847 "broken\n");
848 }
849
850 nchanger->num_devices++;
851
852 softc->changer = nchanger;
853 softc->pinfo.index = CAM_UNQUEUED_INDEX;
854
855 if (camq_resize(&nchanger->devq,
856 nchanger->num_devices) != CAM_REQ_CMP) {
857 printf("cdregister: camq_resize "
858 "failed, changer support may "
859 "be messed up\n");
860 }
861
862 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links);
863 }
864 /*
865 * In this case, we don't already have an entry for this
866 * particular changer, so we need to create one, add it to
867 * the queue, and queue this device on the list for this
868 * changer. Before we queue this device, however, we need
869 * to search for lun id 0 on this target, and add it to the
870 * queue first, if it exists. (and if it hasn't already
871 * been marked as part of the changer.)
872 */
873 else {
874 nchanger = malloc(sizeof(struct cdchanger),
875 M_DEVBUF, M_NOWAIT);
876
877 if (nchanger == NULL) {
878 softc->flags &= ~CD_FLAG_CHANGER;
879 printf("cdregister: unable to malloc "
880 "changer structure\ncdregister: "
881 "changer support disabled\n");
882
883 /*
884 * Yes, gotos can be gross but in this case
885 * I think it's justified..
886 */
887 goto cdregisterexit;
888 }
889
890 /* zero the structure */
891 bzero(nchanger, sizeof(struct cdchanger));
892
893 if (camq_init(&nchanger->devq, 1) != 0) {
894 softc->flags &= ~CD_FLAG_CHANGER;
895 printf("cdregister: changer support "
896 "disabled\n");
897 goto cdregisterexit;
898 }
899
908 num_changers++;
909
910 nchanger->path_id = cgd->ccb_h.path_id;
911 nchanger->target_id = cgd->ccb_h.target_id;
912
913 /* this is superfluous, but it makes things clearer */
914 nchanger->num_devices = 0;
915
916 STAILQ_INIT(&nchanger->chluns);
917
900 nchanger->path_id = cgd->ccb_h.path_id;
901 nchanger->target_id = cgd->ccb_h.target_id;
902
903 /* this is superfluous, but it makes things clearer */
904 nchanger->num_devices = 0;
905
906 STAILQ_INIT(&nchanger->chluns);
907
908 callout_init_mtx(&nchanger->long_handle,
909 periph->sim->mtx, 0);
910 callout_init_mtx(&nchanger->short_handle,
911 periph->sim->mtx, 0);
912
913 mtx_lock(&changerq_mtx);
914 num_changers++;
918 STAILQ_INSERT_TAIL(&changerq, nchanger,
919 changer_links);
915 STAILQ_INSERT_TAIL(&changerq, nchanger,
916 changer_links);
917 mtx_unlock(&changerq_mtx);
920
921 /*
922 * Create a path with lun id 0, and see if we can
923 * find a matching device
924 */
925 status = xpt_create_path(&path, /*periph*/ periph,
926 cgd->ccb_h.path_id,
927 cgd->ccb_h.target_id, 0);
928
929 /*
930 * If we were able to allocate the path, and if we
931 * find a matching device and it isn't already
932 * marked as part of a changer, then we add it to
933 * the current changer.
934 */
935 if ((status == CAM_REQ_CMP)
936 && ((nperiph = cam_periph_find(path, "cd")) != NULL)
937 && ((((struct cd_softc *)periph->softc)->flags &
938 CD_FLAG_CHANGER) == 0)) {
939 struct cd_softc *nsoftc;
940
941 nsoftc = (struct cd_softc *)nperiph->softc;
942
943 nsoftc->flags |= CD_FLAG_CHANGER;
944 nchanger->num_devices++;
945 if (camq_resize(&nchanger->devq,
946 nchanger->num_devices) != CAM_REQ_CMP) {
947 printf("cdregister: camq_resize "
948 "failed, changer support may "
949 "be messed up\n");
950 }
951 nsoftc->changer = nchanger;
952 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX;
953
954 STAILQ_INSERT_TAIL(&nchanger->chluns,
955 nsoftc, changer_links);
956 xpt_free_path(path);
957 } else if (status == CAM_REQ_CMP)
958 xpt_free_path(path);
959 else {
960 printf("cdregister: unable to allocate path\n"
961 "cdregister: changer support may be "
962 "broken\n");
963 }
964
965 softc->changer = nchanger;
966 softc->pinfo.index = CAM_UNQUEUED_INDEX;
967 nchanger->num_devices++;
968 if (camq_resize(&nchanger->devq,
969 nchanger->num_devices) != CAM_REQ_CMP) {
970 printf("cdregister: camq_resize "
971 "failed, changer support may "
972 "be messed up\n");
973 }
974 STAILQ_INSERT_TAIL(&nchanger->chluns, softc,
975 changer_links);
976 }
977 }
978
979cdregisterexit:
980
918
919 /*
920 * Create a path with lun id 0, and see if we can
921 * find a matching device
922 */
923 status = xpt_create_path(&path, /*periph*/ periph,
924 cgd->ccb_h.path_id,
925 cgd->ccb_h.target_id, 0);
926
927 /*
928 * If we were able to allocate the path, and if we
929 * find a matching device and it isn't already
930 * marked as part of a changer, then we add it to
931 * the current changer.
932 */
933 if ((status == CAM_REQ_CMP)
934 && ((nperiph = cam_periph_find(path, "cd")) != NULL)
935 && ((((struct cd_softc *)periph->softc)->flags &
936 CD_FLAG_CHANGER) == 0)) {
937 struct cd_softc *nsoftc;
938
939 nsoftc = (struct cd_softc *)nperiph->softc;
940
941 nsoftc->flags |= CD_FLAG_CHANGER;
942 nchanger->num_devices++;
943 if (camq_resize(&nchanger->devq,
944 nchanger->num_devices) != CAM_REQ_CMP) {
945 printf("cdregister: camq_resize "
946 "failed, changer support may "
947 "be messed up\n");
948 }
949 nsoftc->changer = nchanger;
950 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX;
951
952 STAILQ_INSERT_TAIL(&nchanger->chluns,
953 nsoftc, changer_links);
954 xpt_free_path(path);
955 } else if (status == CAM_REQ_CMP)
956 xpt_free_path(path);
957 else {
958 printf("cdregister: unable to allocate path\n"
959 "cdregister: changer support may be "
960 "broken\n");
961 }
962
963 softc->changer = nchanger;
964 softc->pinfo.index = CAM_UNQUEUED_INDEX;
965 nchanger->num_devices++;
966 if (camq_resize(&nchanger->devq,
967 nchanger->num_devices) != CAM_REQ_CMP) {
968 printf("cdregister: camq_resize "
969 "failed, changer support may "
970 "be messed up\n");
971 }
972 STAILQ_INSERT_TAIL(&nchanger->chluns, softc,
973 changer_links);
974 }
975 }
976
977cdregisterexit:
978
981 /* Lock this peripheral until we are setup */
982 /* Can't block */
983 cam_periph_lock(periph, PRIBIO);
979 /*
980 * Refcount and block open attempts until we are setup
981 * Can't block
982 */
983 (void)cam_periph_hold(periph, PRIBIO);
984
985 if ((softc->flags & CD_FLAG_CHANGER) == 0)
986 xpt_schedule(periph, /*priority*/5);
987 else
988 cdschedule(periph, /*priority*/ 5);
989
990 return(CAM_REQ_CMP);
991}
992
993static int
994cdopen(struct disk *dp)
995{
996 struct cam_periph *periph;
997 struct cd_softc *softc;
998 int error;
984
985 if ((softc->flags & CD_FLAG_CHANGER) == 0)
986 xpt_schedule(periph, /*priority*/5);
987 else
988 cdschedule(periph, /*priority*/ 5);
989
990 return(CAM_REQ_CMP);
991}
992
993static int
994cdopen(struct disk *dp)
995{
996 struct cam_periph *periph;
997 struct cd_softc *softc;
998 int error;
999 int s;
1000
1001 periph = (struct cam_periph *)dp->d_drv1;
1002 if (periph == NULL)
1003 return (ENXIO);
1004
1005 softc = (struct cd_softc *)periph->softc;
1006
999
1000 periph = (struct cam_periph *)dp->d_drv1;
1001 if (periph == NULL)
1002 return (ENXIO);
1003
1004 softc = (struct cd_softc *)periph->softc;
1005
1007 /*
1008 * Grab splsoftcam and hold it until we lock the peripheral.
1009 */
1010 s = splsoftcam();
1006 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
1007 return(ENXIO);
1008
1009 cam_periph_lock(periph);
1010
1011 if (softc->flags & CD_FLAG_INVALID) {
1011 if (softc->flags & CD_FLAG_INVALID) {
1012 splx(s);
1012 cam_periph_unlock(periph);
1013 cam_periph_release(periph);
1013 return(ENXIO);
1014 }
1015
1014 return(ENXIO);
1015 }
1016
1016 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) {
1017 splx(s);
1017 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
1018 cam_periph_unlock(periph);
1019 cam_periph_release(periph);
1018 return (error);
1019 }
1020
1020 return (error);
1021 }
1022
1021 splx(s);
1023 /* Closes aren't symmetrical with opens, so fix up the refcounting. */
1024 if (softc->flags & CD_FLAG_OPEN)
1025 cam_periph_release(periph);
1026 else
1027 softc->flags |= CD_FLAG_OPEN;
1022
1028
1023 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
1024 return(ENXIO);
1025
1026 /*
1027 * Check for media, and set the appropriate flags. We don't bail
1028 * if we don't have media, but then we don't allow anything but the
1029 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
1030 */
1031 cdcheckmedia(periph);
1032
1029 /*
1030 * Check for media, and set the appropriate flags. We don't bail
1031 * if we don't have media, but then we don't allow anything but the
1032 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
1033 */
1034 cdcheckmedia(periph);
1035
1036 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
1037 cam_periph_unhold(periph);
1033 cam_periph_unlock(periph);
1034
1038 cam_periph_unlock(periph);
1039
1035 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
1036
1037 return (error);
1040 return (0);
1038}
1039
1040static int
1041cdclose(struct disk *dp)
1042{
1043 struct cam_periph *periph;
1044 struct cd_softc *softc;
1041}
1042
1043static int
1044cdclose(struct disk *dp)
1045{
1046 struct cam_periph *periph;
1047 struct cd_softc *softc;
1045 int error;
1046
1047 periph = (struct cam_periph *)dp->d_drv1;
1048 if (periph == NULL)
1049 return (ENXIO);
1050
1051 softc = (struct cd_softc *)periph->softc;
1052
1048
1049 periph = (struct cam_periph *)dp->d_drv1;
1050 if (periph == NULL)
1051 return (ENXIO);
1052
1053 softc = (struct cd_softc *)periph->softc;
1054
1053 if ((error = cam_periph_lock(periph, PRIBIO)) != 0)
1054 return (error);
1055 cam_periph_lock(periph);
1056 cam_periph_hold(periph, PRIBIO);
1055
1056 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
1057 cdprevent(periph, PR_ALLOW);
1058
1059 /*
1060 * Since we're closing this CD, mark the blocksize as unavailable.
1061 * It will be marked as available when the CD is opened again.
1062 */
1063 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1064
1065 /*
1066 * We'll check the media and toc again at the next open().
1067 */
1057
1058 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
1059 cdprevent(periph, PR_ALLOW);
1060
1061 /*
1062 * Since we're closing this CD, mark the blocksize as unavailable.
1063 * It will be marked as available when the CD is opened again.
1064 */
1065 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1066
1067 /*
1068 * We'll check the media and toc again at the next open().
1069 */
1068 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
1070 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN);
1069
1071
1072 cam_periph_unhold(periph);
1070 cam_periph_unlock(periph);
1071 cam_periph_release(periph);
1072
1073 return (0);
1074}
1075
1076static void
1077cdshorttimeout(void *arg)
1078{
1079 struct cdchanger *changer;
1073 cam_periph_unlock(periph);
1074 cam_periph_release(periph);
1075
1076 return (0);
1077}
1078
1079static void
1080cdshorttimeout(void *arg)
1081{
1082 struct cdchanger *changer;
1080 int s;
1081
1083
1082 s = splsoftcam();
1083
1084 changer = (struct cdchanger *)arg;
1085
1086 /* Always clear the short timeout flag, since that's what we're in */
1087 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1088
1089 /*
1090 * Check to see if there is any more pending or outstanding I/O for
1091 * this device. If not, move it out of the active slot.
1092 */
1093 if ((bioq_first(&changer->cur_device->bio_queue) == NULL)
1094 && (changer->cur_device->outstanding_cmds == 0)) {
1095 changer->flags |= CHANGER_MANUAL_CALL;
1096 cdrunchangerqueue(changer);
1097 }
1084 changer = (struct cdchanger *)arg;
1085
1086 /* Always clear the short timeout flag, since that's what we're in */
1087 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1088
1089 /*
1090 * Check to see if there is any more pending or outstanding I/O for
1091 * this device. If not, move it out of the active slot.
1092 */
1093 if ((bioq_first(&changer->cur_device->bio_queue) == NULL)
1094 && (changer->cur_device->outstanding_cmds == 0)) {
1095 changer->flags |= CHANGER_MANUAL_CALL;
1096 cdrunchangerqueue(changer);
1097 }
1098
1099 splx(s);
1100}
1101
1102/*
1103 * This is a wrapper for xpt_schedule. It only applies to changers.
1104 */
1105static void
1106cdschedule(struct cam_periph *periph, int priority)
1107{
1108 struct cd_softc *softc;
1098}
1099
1100/*
1101 * This is a wrapper for xpt_schedule. It only applies to changers.
1102 */
1103static void
1104cdschedule(struct cam_periph *periph, int priority)
1105{
1106 struct cd_softc *softc;
1109 int s;
1110
1107
1111 s = splsoftcam();
1112
1113 softc = (struct cd_softc *)periph->softc;
1114
1115 /*
1116 * If this device isn't currently queued, and if it isn't
1117 * the active device, then we queue this device and run the
1118 * changer queue if there is no timeout scheduled to do it.
1119 * If this device is the active device, just schedule it
1120 * to run again. If this device is queued, there should be
1121 * a timeout in place already that will make sure it runs.
1122 */
1123 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX)
1124 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) {
1125 /*
1126 * We don't do anything with the priority here.
1127 * This is strictly a fifo queue.
1128 */
1129 softc->pinfo.priority = 1;
1130 softc->pinfo.generation = ++softc->changer->devq.generation;
1131 camq_insert(&softc->changer->devq, (cam_pinfo *)softc);
1132
1133 /*
1134 * Since we just put a device in the changer queue,
1135 * check and see if there is a timeout scheduled for
1136 * this changer. If so, let the timeout handle
1137 * switching this device into the active slot. If
1138 * not, manually call the timeout routine to
1139 * bootstrap things.
1140 */
1141 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1142 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1143 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){
1144 softc->changer->flags |= CHANGER_MANUAL_CALL;
1145 cdrunchangerqueue(softc->changer);
1146 }
1147 } else if ((softc->flags & CD_FLAG_ACTIVE)
1148 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0))
1149 xpt_schedule(periph, priority);
1108 softc = (struct cd_softc *)periph->softc;
1109
1110 /*
1111 * If this device isn't currently queued, and if it isn't
1112 * the active device, then we queue this device and run the
1113 * changer queue if there is no timeout scheduled to do it.
1114 * If this device is the active device, just schedule it
1115 * to run again. If this device is queued, there should be
1116 * a timeout in place already that will make sure it runs.
1117 */
1118 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX)
1119 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) {
1120 /*
1121 * We don't do anything with the priority here.
1122 * This is strictly a fifo queue.
1123 */
1124 softc->pinfo.priority = 1;
1125 softc->pinfo.generation = ++softc->changer->devq.generation;
1126 camq_insert(&softc->changer->devq, (cam_pinfo *)softc);
1127
1128 /*
1129 * Since we just put a device in the changer queue,
1130 * check and see if there is a timeout scheduled for
1131 * this changer. If so, let the timeout handle
1132 * switching this device into the active slot. If
1133 * not, manually call the timeout routine to
1134 * bootstrap things.
1135 */
1136 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1137 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1138 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){
1139 softc->changer->flags |= CHANGER_MANUAL_CALL;
1140 cdrunchangerqueue(softc->changer);
1141 }
1142 } else if ((softc->flags & CD_FLAG_ACTIVE)
1143 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0))
1144 xpt_schedule(periph, priority);
1150
1151 splx(s);
1152
1153}
1154
1155static void
1156cdrunchangerqueue(void *arg)
1157{
1158 struct cd_softc *softc;
1159 struct cdchanger *changer;
1160 int called_from_timeout;
1145}
1146
1147static void
1148cdrunchangerqueue(void *arg)
1149{
1150 struct cd_softc *softc;
1151 struct cdchanger *changer;
1152 int called_from_timeout;
1161 int s;
1162
1153
1163 s = splsoftcam();
1164
1165 changer = (struct cdchanger *)arg;
1166
1167 /*
1168 * If we have NOT been called from cdstrategy() or cddone(), and
1169 * instead from a timeout routine, go ahead and clear the
1170 * timeout flag.
1171 */
1172 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) {
1173 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1174 called_from_timeout = 1;
1175 } else
1176 called_from_timeout = 0;
1177
1178 /* Always clear the manual call flag */
1179 changer->flags &= ~CHANGER_MANUAL_CALL;
1180
1181 /* nothing to do if the queue is empty */
1182 if (changer->devq.entries <= 0) {
1154 changer = (struct cdchanger *)arg;
1155
1156 /*
1157 * If we have NOT been called from cdstrategy() or cddone(), and
1158 * instead from a timeout routine, go ahead and clear the
1159 * timeout flag.
1160 */
1161 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) {
1162 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1163 called_from_timeout = 1;
1164 } else
1165 called_from_timeout = 0;
1166
1167 /* Always clear the manual call flag */
1168 changer->flags &= ~CHANGER_MANUAL_CALL;
1169
1170 /* nothing to do if the queue is empty */
1171 if (changer->devq.entries <= 0) {
1183 splx(s);
1184 return;
1185 }
1186
1187 /*
1188 * If the changer queue is frozen, that means we have an active
1189 * device.
1190 */
1191 if (changer->devq.qfrozen_cnt > 0) {
1192
1172 return;
1173 }
1174
1175 /*
1176 * If the changer queue is frozen, that means we have an active
1177 * device.
1178 */
1179 if (changer->devq.qfrozen_cnt > 0) {
1180
1181 /*
1182 * We always need to reset the frozen count and clear the
1183 * active flag.
1184 */
1185 changer->devq.qfrozen_cnt--;
1186 changer->cur_device->flags &= ~CD_FLAG_ACTIVE;
1187 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP;
1188
1193 if (changer->cur_device->outstanding_cmds > 0) {
1194 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP;
1195 changer->cur_device->bufs_left =
1196 changer->cur_device->outstanding_cmds;
1197 if (called_from_timeout) {
1189 if (changer->cur_device->outstanding_cmds > 0) {
1190 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP;
1191 changer->cur_device->bufs_left =
1192 changer->cur_device->outstanding_cmds;
1193 if (called_from_timeout) {
1198 changer->long_handle =
1199 timeout(cdrunchangerqueue, changer,
1200 changer_max_busy_seconds * hz);
1194 callout_reset(&changer->long_handle,
1195 changer_max_busy_seconds * hz,
1196 cdrunchangerqueue, changer);
1201 changer->flags |= CHANGER_TIMEOUT_SCHED;
1202 }
1197 changer->flags |= CHANGER_TIMEOUT_SCHED;
1198 }
1203 splx(s);
1204 return;
1205 }
1206
1207 /*
1199 return;
1200 }
1201
1202 /*
1208 * We always need to reset the frozen count and clear the
1209 * active flag.
1210 */
1211 changer->devq.qfrozen_cnt--;
1212 changer->cur_device->flags &= ~CD_FLAG_ACTIVE;
1213 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP;
1214
1215 /*
1216 * Check to see whether the current device has any I/O left
1217 * to do. If so, requeue it at the end of the queue. If
1218 * not, there is no need to requeue it.
1219 */
1220 if (bioq_first(&changer->cur_device->bio_queue) != NULL) {
1221
1222 changer->cur_device->pinfo.generation =
1223 ++changer->devq.generation;
1224 camq_insert(&changer->devq,
1225 (cam_pinfo *)changer->cur_device);
1226 }
1227 }
1228
1229 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD);
1230
1231 changer->cur_device = softc;
1232
1233 changer->devq.qfrozen_cnt++;
1234 softc->flags |= CD_FLAG_ACTIVE;
1235
1236 /* Just in case this device is waiting */
1237 wakeup(&softc->changer);
1238 xpt_schedule(softc->periph, /*priority*/ 1);
1239
1240 /*
1241 * Get rid of any pending timeouts, and set a flag to schedule new
1242 * ones so this device gets its full time quantum.
1243 */
1244 if (changer->flags & CHANGER_TIMEOUT_SCHED) {
1203 * Check to see whether the current device has any I/O left
1204 * to do. If so, requeue it at the end of the queue. If
1205 * not, there is no need to requeue it.
1206 */
1207 if (bioq_first(&changer->cur_device->bio_queue) != NULL) {
1208
1209 changer->cur_device->pinfo.generation =
1210 ++changer->devq.generation;
1211 camq_insert(&changer->devq,
1212 (cam_pinfo *)changer->cur_device);
1213 }
1214 }
1215
1216 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD);
1217
1218 changer->cur_device = softc;
1219
1220 changer->devq.qfrozen_cnt++;
1221 softc->flags |= CD_FLAG_ACTIVE;
1222
1223 /* Just in case this device is waiting */
1224 wakeup(&softc->changer);
1225 xpt_schedule(softc->periph, /*priority*/ 1);
1226
1227 /*
1228 * Get rid of any pending timeouts, and set a flag to schedule new
1229 * ones so this device gets its full time quantum.
1230 */
1231 if (changer->flags & CHANGER_TIMEOUT_SCHED) {
1245 untimeout(cdrunchangerqueue, changer, changer->long_handle);
1232 callout_stop(&changer->long_handle);
1246 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1247 }
1248
1249 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
1233 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1234 }
1235
1236 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
1250 untimeout(cdshorttimeout, changer, changer->short_handle);
1237 callout_stop(&changer->short_handle);
1251 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1252 }
1253
1254 /*
1255 * We need to schedule timeouts, but we only do this after the
1256 * first transaction has completed. This eliminates the changer
1257 * switch time.
1258 */
1259 changer->flags |= CHANGER_NEED_TIMEOUT;
1238 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1239 }
1240
1241 /*
1242 * We need to schedule timeouts, but we only do this after the
1243 * first transaction has completed. This eliminates the changer
1244 * switch time.
1245 */
1246 changer->flags |= CHANGER_NEED_TIMEOUT;
1260
1261 splx(s);
1262}
1263
1264static void
1265cdchangerschedule(struct cd_softc *softc)
1266{
1267 struct cdchanger *changer;
1247}
1248
1249static void
1250cdchangerschedule(struct cd_softc *softc)
1251{
1252 struct cdchanger *changer;
1268 int s;
1269
1253
1270 s = splsoftcam();
1271
1272 changer = softc->changer;
1273
1274 /*
1275 * If this is a changer, and this is the current device,
1276 * and this device has at least the minimum time quantum to
1277 * run, see if we can switch it out.
1278 */
1279 if ((softc->flags & CD_FLAG_ACTIVE)
1280 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0)
1281 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
1282 /*
1283 * We try three things here. The first is that we
1284 * check to see whether the schedule on completion
1285 * flag is set. If it is, we decrement the number
1286 * of buffers left, and if it's zero, we reschedule.
1287 * Next, we check to see whether the pending buffer
1288 * queue is empty and whether there are no
1289 * outstanding transactions. If so, we reschedule.
1290 * Next, we see if the pending buffer queue is empty.
1291 * If it is, we set the number of buffers left to
1292 * the current active buffer count and set the
1293 * schedule on complete flag.
1294 */
1295 if (softc->flags & CD_FLAG_SCHED_ON_COMP) {
1296 if (--softc->bufs_left == 0) {
1297 softc->changer->flags |=
1298 CHANGER_MANUAL_CALL;
1299 softc->flags &= ~CD_FLAG_SCHED_ON_COMP;
1300 cdrunchangerqueue(softc->changer);
1301 }
1302 } else if ((bioq_first(&softc->bio_queue) == NULL)
1303 && (softc->outstanding_cmds == 0)) {
1304 softc->changer->flags |= CHANGER_MANUAL_CALL;
1305 cdrunchangerqueue(softc->changer);
1306 }
1307 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT)
1308 && (softc->flags & CD_FLAG_ACTIVE)) {
1309
1310 /*
1311 * Now that the first transaction to this
1312 * particular device has completed, we can go ahead
1313 * and schedule our timeouts.
1314 */
1315 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) {
1254 changer = softc->changer;
1255
1256 /*
1257 * If this is a changer, and this is the current device,
1258 * and this device has at least the minimum time quantum to
1259 * run, see if we can switch it out.
1260 */
1261 if ((softc->flags & CD_FLAG_ACTIVE)
1262 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0)
1263 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
1264 /*
1265 * We try three things here. The first is that we
1266 * check to see whether the schedule on completion
1267 * flag is set. If it is, we decrement the number
1268 * of buffers left, and if it's zero, we reschedule.
1269 * Next, we check to see whether the pending buffer
1270 * queue is empty and whether there are no
1271 * outstanding transactions. If so, we reschedule.
1272 * Next, we see if the pending buffer queue is empty.
1273 * If it is, we set the number of buffers left to
1274 * the current active buffer count and set the
1275 * schedule on complete flag.
1276 */
1277 if (softc->flags & CD_FLAG_SCHED_ON_COMP) {
1278 if (--softc->bufs_left == 0) {
1279 softc->changer->flags |=
1280 CHANGER_MANUAL_CALL;
1281 softc->flags &= ~CD_FLAG_SCHED_ON_COMP;
1282 cdrunchangerqueue(softc->changer);
1283 }
1284 } else if ((bioq_first(&softc->bio_queue) == NULL)
1285 && (softc->outstanding_cmds == 0)) {
1286 softc->changer->flags |= CHANGER_MANUAL_CALL;
1287 cdrunchangerqueue(softc->changer);
1288 }
1289 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT)
1290 && (softc->flags & CD_FLAG_ACTIVE)) {
1291
1292 /*
1293 * Now that the first transaction to this
1294 * particular device has completed, we can go ahead
1295 * and schedule our timeouts.
1296 */
1297 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) {
1316 changer->long_handle =
1317 timeout(cdrunchangerqueue, changer,
1318 changer_max_busy_seconds * hz);
1298 callout_reset(&changer->long_handle,
1299 changer_max_busy_seconds * hz,
1300 cdrunchangerqueue, changer);
1319 changer->flags |= CHANGER_TIMEOUT_SCHED;
1320 } else
1321 printf("cdchangerschedule: already have a long"
1322 " timeout!\n");
1323
1324 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) {
1301 changer->flags |= CHANGER_TIMEOUT_SCHED;
1302 } else
1303 printf("cdchangerschedule: already have a long"
1304 " timeout!\n");
1305
1306 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) {
1325 changer->short_handle =
1326 timeout(cdshorttimeout, changer,
1327 changer_min_busy_seconds * hz);
1307 callout_reset(&changer->short_handle,
1308 changer_min_busy_seconds * hz,
1309 cdshorttimeout, changer);
1328 changer->flags |= CHANGER_SHORT_TMOUT_SCHED;
1329 } else
1330 printf("cdchangerschedule: already have a short "
1331 "timeout!\n");
1332
1333 /*
1334 * We just scheduled timeouts, no need to schedule
1335 * more.
1336 */
1337 changer->flags &= ~CHANGER_NEED_TIMEOUT;
1338
1339 }
1310 changer->flags |= CHANGER_SHORT_TMOUT_SCHED;
1311 } else
1312 printf("cdchangerschedule: already have a short "
1313 "timeout!\n");
1314
1315 /*
1316 * We just scheduled timeouts, no need to schedule
1317 * more.
1318 */
1319 changer->flags &= ~CHANGER_NEED_TIMEOUT;
1320
1321 }
1340 splx(s);
1341}
1342
1343static int
1344cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
1345 u_int32_t cam_flags,
1346 u_int32_t sense_flags),
1347 u_int32_t cam_flags, u_int32_t sense_flags)
1348{
1349 struct cd_softc *softc;
1350 struct cam_periph *periph;
1351 int error;
1352
1353 periph = xpt_path_periph(ccb->ccb_h.path);
1354 softc = (struct cd_softc *)periph->softc;
1355
1356 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
1357 softc->disk->d_devstat);
1358
1359 if (softc->flags & CD_FLAG_CHANGER)
1360 cdchangerschedule(softc);
1361
1362 return(error);
1363}
1364
1365static union ccb *
1366cdgetccb(struct cam_periph *periph, u_int32_t priority)
1367{
1368 struct cd_softc *softc;
1322}
1323
1324static int
1325cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
1326 u_int32_t cam_flags,
1327 u_int32_t sense_flags),
1328 u_int32_t cam_flags, u_int32_t sense_flags)
1329{
1330 struct cd_softc *softc;
1331 struct cam_periph *periph;
1332 int error;
1333
1334 periph = xpt_path_periph(ccb->ccb_h.path);
1335 softc = (struct cd_softc *)periph->softc;
1336
1337 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
1338 softc->disk->d_devstat);
1339
1340 if (softc->flags & CD_FLAG_CHANGER)
1341 cdchangerschedule(softc);
1342
1343 return(error);
1344}
1345
1346static union ccb *
1347cdgetccb(struct cam_periph *periph, u_int32_t priority)
1348{
1349 struct cd_softc *softc;
1369 int s;
1370
1371 softc = (struct cd_softc *)periph->softc;
1372
1373 if (softc->flags & CD_FLAG_CHANGER) {
1350
1351 softc = (struct cd_softc *)periph->softc;
1352
1353 if (softc->flags & CD_FLAG_CHANGER) {
1374
1375 s = splsoftcam();
1376
1377 /*
1378 * This should work the first time this device is woken up,
1379 * but just in case it doesn't, we use a while loop.
1380 */
1381 while ((softc->flags & CD_FLAG_ACTIVE) == 0) {
1382 /*
1383 * If this changer isn't already queued, queue it up.
1384 */
1385 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) {
1386 softc->pinfo.priority = 1;
1387 softc->pinfo.generation =
1388 ++softc->changer->devq.generation;
1389 camq_insert(&softc->changer->devq,
1390 (cam_pinfo *)softc);
1391 }
1392 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1393 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1394 && ((softc->changer->flags
1395 & CHANGER_SHORT_TMOUT_SCHED)==0)) {
1396 softc->changer->flags |= CHANGER_MANUAL_CALL;
1397 cdrunchangerqueue(softc->changer);
1398 } else
1354 /*
1355 * This should work the first time this device is woken up,
1356 * but just in case it doesn't, we use a while loop.
1357 */
1358 while ((softc->flags & CD_FLAG_ACTIVE) == 0) {
1359 /*
1360 * If this changer isn't already queued, queue it up.
1361 */
1362 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) {
1363 softc->pinfo.priority = 1;
1364 softc->pinfo.generation =
1365 ++softc->changer->devq.generation;
1366 camq_insert(&softc->changer->devq,
1367 (cam_pinfo *)softc);
1368 }
1369 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1370 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1371 && ((softc->changer->flags
1372 & CHANGER_SHORT_TMOUT_SCHED)==0)) {
1373 softc->changer->flags |= CHANGER_MANUAL_CALL;
1374 cdrunchangerqueue(softc->changer);
1375 } else
1399 tsleep(&softc->changer, PRIBIO, "cgticb", 0);
1376 msleep(&softc->changer, periph->sim->mtx,
1377 PRIBIO, "cgticb", 0);
1400 }
1378 }
1401 splx(s);
1402 }
1403 return(cam_periph_getccb(periph, priority));
1404}
1405
1406
1407/*
1408 * Actually translate the requested transfer into one the physical driver
1409 * can understand. The transfer is described by a buf and will include
1410 * only one physical transfer.
1411 */
1412static void
1413cdstrategy(struct bio *bp)
1414{
1415 struct cam_periph *periph;
1416 struct cd_softc *softc;
1379 }
1380 return(cam_periph_getccb(periph, priority));
1381}
1382
1383
1384/*
1385 * Actually translate the requested transfer into one the physical driver
1386 * can understand. The transfer is described by a buf and will include
1387 * only one physical transfer.
1388 */
1389static void
1390cdstrategy(struct bio *bp)
1391{
1392 struct cam_periph *periph;
1393 struct cd_softc *softc;
1417 int s;
1418
1419 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1420 if (periph == NULL) {
1421 biofinish(bp, NULL, ENXIO);
1422 return;
1423 }
1424
1394
1395 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1396 if (periph == NULL) {
1397 biofinish(bp, NULL, ENXIO);
1398 return;
1399 }
1400
1401 cam_periph_lock(periph);
1425 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n"));
1426
1427 softc = (struct cd_softc *)periph->softc;
1428
1429 /*
1402 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n"));
1403
1404 softc = (struct cd_softc *)periph->softc;
1405
1406 /*
1430 * Mask interrupts so that the pack cannot be invalidated until
1431 * after we are in the queue. Otherwise, we might not properly
1432 * clean up one of the buffers.
1433 */
1434 s = splbio();
1435
1436 /*
1437 * If the device has been made invalid, error out
1438 */
1439 if ((softc->flags & CD_FLAG_INVALID)) {
1407 * If the device has been made invalid, error out
1408 */
1409 if ((softc->flags & CD_FLAG_INVALID)) {
1440 splx(s);
1410 cam_periph_unlock(periph);
1441 biofinish(bp, NULL, ENXIO);
1442 return;
1443 }
1444
1445 /*
1446 * If we don't have valid media, look for it before trying to
1447 * schedule the I/O.
1448 */
1449 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
1450 int error;
1451
1452 error = cdcheckmedia(periph);
1453 if (error != 0) {
1411 biofinish(bp, NULL, ENXIO);
1412 return;
1413 }
1414
1415 /*
1416 * If we don't have valid media, look for it before trying to
1417 * schedule the I/O.
1418 */
1419 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
1420 int error;
1421
1422 error = cdcheckmedia(periph);
1423 if (error != 0) {
1454 splx(s);
1424 cam_periph_unlock(periph);
1455 biofinish(bp, NULL, error);
1456 return;
1457 }
1458 }
1459
1460 /*
1461 * Place it in the queue of disk activities for this disk
1462 */
1463 bioq_disksort(&softc->bio_queue, bp);
1464
1425 biofinish(bp, NULL, error);
1426 return;
1427 }
1428 }
1429
1430 /*
1431 * Place it in the queue of disk activities for this disk
1432 */
1433 bioq_disksort(&softc->bio_queue, bp);
1434
1465 splx(s);
1466
1467 /*
1468 * Schedule ourselves for performing the work. We do things
1469 * differently for changers.
1470 */
1471 if ((softc->flags & CD_FLAG_CHANGER) == 0)
1472 xpt_schedule(periph, /* XXX priority */1);
1473 else
1474 cdschedule(periph, /* priority */ 1);
1475
1435 /*
1436 * Schedule ourselves for performing the work. We do things
1437 * differently for changers.
1438 */
1439 if ((softc->flags & CD_FLAG_CHANGER) == 0)
1440 xpt_schedule(periph, /* XXX priority */1);
1441 else
1442 cdschedule(periph, /* priority */ 1);
1443
1444 cam_periph_unlock(periph);
1476 return;
1477}
1478
1479static void
1480cdstart(struct cam_periph *periph, union ccb *start_ccb)
1481{
1482 struct cd_softc *softc;
1483 struct bio *bp;
1484 struct ccb_scsiio *csio;
1485 struct scsi_read_capacity_data *rcap;
1445 return;
1446}
1447
1448static void
1449cdstart(struct cam_periph *periph, union ccb *start_ccb)
1450{
1451 struct cd_softc *softc;
1452 struct bio *bp;
1453 struct ccb_scsiio *csio;
1454 struct scsi_read_capacity_data *rcap;
1486 int s;
1487
1488 softc = (struct cd_softc *)periph->softc;
1489
1490 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
1491
1492 switch (softc->state) {
1493 case CD_STATE_NORMAL:
1494 {
1455
1456 softc = (struct cd_softc *)periph->softc;
1457
1458 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
1459
1460 switch (softc->state) {
1461 case CD_STATE_NORMAL:
1462 {
1495 int oldspl;
1496
1497 s = splbio();
1498 bp = bioq_first(&softc->bio_queue);
1499 if (periph->immediate_priority <= periph->pinfo.priority) {
1500 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING;
1501
1502 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1503 periph_links.sle);
1504 periph->immediate_priority = CAM_PRIORITY_NONE;
1463 bp = bioq_first(&softc->bio_queue);
1464 if (periph->immediate_priority <= periph->pinfo.priority) {
1465 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING;
1466
1467 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1468 periph_links.sle);
1469 periph->immediate_priority = CAM_PRIORITY_NONE;
1505 splx(s);
1506 wakeup(&periph->ccb_list);
1507 } else if (bp == NULL) {
1470 wakeup(&periph->ccb_list);
1471 } else if (bp == NULL) {
1508 splx(s);
1509 xpt_release_ccb(start_ccb);
1510 } else {
1511 bioq_remove(&softc->bio_queue, bp);
1512
1513 devstat_start_transaction_bio(softc->disk->d_devstat, bp);
1514
1515 scsi_read_write(&start_ccb->csio,
1516 /*retries*/4,
1517 /* cbfcnp */ cddone,
1518 MSG_SIMPLE_Q_TAG,
1519 /* read */bp->bio_cmd == BIO_READ,
1520 /* byte2 */ 0,
1521 /* minimum_cmd_size */ 10,
1522 /* lba */ bp->bio_offset /
1523 softc->params.blksize,
1524 bp->bio_bcount / softc->params.blksize,
1525 /* data_ptr */ bp->bio_data,
1526 /* dxfer_len */ bp->bio_bcount,
1527 /* sense_len */ SSD_FULL_SIZE,
1528 /* timeout */ 30000);
1529 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
1530
1531
1472 xpt_release_ccb(start_ccb);
1473 } else {
1474 bioq_remove(&softc->bio_queue, bp);
1475
1476 devstat_start_transaction_bio(softc->disk->d_devstat, bp);
1477
1478 scsi_read_write(&start_ccb->csio,
1479 /*retries*/4,
1480 /* cbfcnp */ cddone,
1481 MSG_SIMPLE_Q_TAG,
1482 /* read */bp->bio_cmd == BIO_READ,
1483 /* byte2 */ 0,
1484 /* minimum_cmd_size */ 10,
1485 /* lba */ bp->bio_offset /
1486 softc->params.blksize,
1487 bp->bio_bcount / softc->params.blksize,
1488 /* data_ptr */ bp->bio_data,
1489 /* dxfer_len */ bp->bio_bcount,
1490 /* sense_len */ SSD_FULL_SIZE,
1491 /* timeout */ 30000);
1492 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
1493
1494
1532 /*
1533 * Block out any asyncronous callbacks
1534 * while we touch the pending ccb list.
1535 */
1536 oldspl = splcam();
1537 LIST_INSERT_HEAD(&softc->pending_ccbs,
1538 &start_ccb->ccb_h, periph_links.le);
1539 softc->outstanding_cmds++;
1495 LIST_INSERT_HEAD(&softc->pending_ccbs,
1496 &start_ccb->ccb_h, periph_links.le);
1497 softc->outstanding_cmds++;
1540 splx(oldspl);
1541
1542 /* We expect a unit attention from this device */
1543 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
1544 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
1545 softc->flags &= ~CD_FLAG_RETRY_UA;
1546 }
1547
1548 start_ccb->ccb_h.ccb_bp = bp;
1549 bp = bioq_first(&softc->bio_queue);
1498
1499 /* We expect a unit attention from this device */
1500 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
1501 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
1502 softc->flags &= ~CD_FLAG_RETRY_UA;
1503 }
1504
1505 start_ccb->ccb_h.ccb_bp = bp;
1506 bp = bioq_first(&softc->bio_queue);
1550 splx(s);
1551
1552 xpt_action(start_ccb);
1553 }
1554 if (bp != NULL) {
1555 /* Have more work to do, so ensure we stay scheduled */
1556 xpt_schedule(periph, /* XXX priority */1);
1557 }
1558 break;
1559 }
1560 case CD_STATE_PROBE:
1561 {
1562
1563 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1564 M_TEMP,
1565 M_NOWAIT);
1566 if (rcap == NULL) {
1567 xpt_print(periph->path,
1568 "cdstart: Couldn't malloc read_capacity data\n");
1569 /* cd_free_periph??? */
1570 break;
1571 }
1572 csio = &start_ccb->csio;
1573 scsi_read_capacity(csio,
1574 /*retries*/1,
1575 cddone,
1576 MSG_SIMPLE_Q_TAG,
1577 rcap,
1578 SSD_FULL_SIZE,
1579 /*timeout*/20000);
1580 start_ccb->ccb_h.ccb_bp = NULL;
1581 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
1582 xpt_action(start_ccb);
1583 break;
1584 }
1585 }
1586}
1587
1588static void
1589cddone(struct cam_periph *periph, union ccb *done_ccb)
1590{
1591 struct cd_softc *softc;
1592 struct ccb_scsiio *csio;
1593
1594 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
1595
1596 softc = (struct cd_softc *)periph->softc;
1597 csio = &done_ccb->csio;
1598
1599 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
1600 case CD_CCB_BUFFER_IO:
1601 {
1602 struct bio *bp;
1603 int error;
1507
1508 xpt_action(start_ccb);
1509 }
1510 if (bp != NULL) {
1511 /* Have more work to do, so ensure we stay scheduled */
1512 xpt_schedule(periph, /* XXX priority */1);
1513 }
1514 break;
1515 }
1516 case CD_STATE_PROBE:
1517 {
1518
1519 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1520 M_TEMP,
1521 M_NOWAIT);
1522 if (rcap == NULL) {
1523 xpt_print(periph->path,
1524 "cdstart: Couldn't malloc read_capacity data\n");
1525 /* cd_free_periph??? */
1526 break;
1527 }
1528 csio = &start_ccb->csio;
1529 scsi_read_capacity(csio,
1530 /*retries*/1,
1531 cddone,
1532 MSG_SIMPLE_Q_TAG,
1533 rcap,
1534 SSD_FULL_SIZE,
1535 /*timeout*/20000);
1536 start_ccb->ccb_h.ccb_bp = NULL;
1537 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
1538 xpt_action(start_ccb);
1539 break;
1540 }
1541 }
1542}
1543
1544static void
1545cddone(struct cam_periph *periph, union ccb *done_ccb)
1546{
1547 struct cd_softc *softc;
1548 struct ccb_scsiio *csio;
1549
1550 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
1551
1552 softc = (struct cd_softc *)periph->softc;
1553 csio = &done_ccb->csio;
1554
1555 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
1556 case CD_CCB_BUFFER_IO:
1557 {
1558 struct bio *bp;
1559 int error;
1604 int oldspl;
1605
1606 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1607 error = 0;
1608
1609 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1610 int sf;
1611
1612 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
1613 sf = SF_RETRY_UA;
1614 else
1615 sf = 0;
1616
1617 error = cderror(done_ccb, CAM_RETRY_SELTO, sf);
1618 if (error == ERESTART) {
1619 /*
1620 * A retry was scheuled, so
1621 * just return.
1622 */
1623 return;
1624 }
1625 }
1626
1627 if (error != 0) {
1560
1561 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1562 error = 0;
1563
1564 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1565 int sf;
1566
1567 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
1568 sf = SF_RETRY_UA;
1569 else
1570 sf = 0;
1571
1572 error = cderror(done_ccb, CAM_RETRY_SELTO, sf);
1573 if (error == ERESTART) {
1574 /*
1575 * A retry was scheuled, so
1576 * just return.
1577 */
1578 return;
1579 }
1580 }
1581
1582 if (error != 0) {
1628 int s;
1629
1630 xpt_print(periph->path,
1631 "cddone: got error %#x back\n", error);
1583 xpt_print(periph->path,
1584 "cddone: got error %#x back\n", error);
1632 s = splbio();
1633 bioq_flush(&softc->bio_queue, NULL, EIO);
1585 bioq_flush(&softc->bio_queue, NULL, EIO);
1634 splx(s);
1635 bp->bio_resid = bp->bio_bcount;
1636 bp->bio_error = error;
1637 bp->bio_flags |= BIO_ERROR;
1638 cam_release_devq(done_ccb->ccb_h.path,
1639 /*relsim_flags*/0,
1640 /*reduction*/0,
1641 /*timeout*/0,
1642 /*getcount_only*/0);
1643
1644 } else {
1645 bp->bio_resid = csio->resid;
1646 bp->bio_error = 0;
1647 if (bp->bio_resid != 0) {
1648 /*
1649 * Short transfer ???
1650 * XXX: not sure this is correct for partial
1651 * transfers at EOM
1652 */
1653 bp->bio_flags |= BIO_ERROR;
1654 }
1655 }
1656
1586 bp->bio_resid = bp->bio_bcount;
1587 bp->bio_error = error;
1588 bp->bio_flags |= BIO_ERROR;
1589 cam_release_devq(done_ccb->ccb_h.path,
1590 /*relsim_flags*/0,
1591 /*reduction*/0,
1592 /*timeout*/0,
1593 /*getcount_only*/0);
1594
1595 } else {
1596 bp->bio_resid = csio->resid;
1597 bp->bio_error = 0;
1598 if (bp->bio_resid != 0) {
1599 /*
1600 * Short transfer ???
1601 * XXX: not sure this is correct for partial
1602 * transfers at EOM
1603 */
1604 bp->bio_flags |= BIO_ERROR;
1605 }
1606 }
1607
1657 /*
1658 * Block out any asyncronous callbacks
1659 * while we touch the pending ccb list.
1660 */
1661 oldspl = splcam();
1662 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1663 softc->outstanding_cmds--;
1608 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1609 softc->outstanding_cmds--;
1664 splx(oldspl);
1665
1666 if (softc->flags & CD_FLAG_CHANGER)
1667 cdchangerschedule(softc);
1668
1669 biofinish(bp, NULL, 0);
1670 break;
1671 }
1672 case CD_CCB_PROBE:
1673 {
1674 struct scsi_read_capacity_data *rdcap;
1675 char announce_buf[120]; /*
1676 * Currently (9/30/97) the
1677 * longest possible announce
1678 * buffer is 108 bytes, for the
1679 * first error case below.
1680 * That is 39 bytes for the
1681 * basic string, 16 bytes for the
1682 * biggest sense key (hardware
1683 * error), 52 bytes for the
1684 * text of the largest sense
1685 * qualifier valid for a CDROM,
1686 * (0x72, 0x03 or 0x04,
1687 * 0x03), and one byte for the
1688 * null terminating character.
1689 * To allow for longer strings,
1690 * the announce buffer is 120
1691 * bytes.
1692 */
1693 struct cd_params *cdp;
1694
1695 cdp = &softc->params;
1696
1697 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1698
1699 cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
1700 cdp->blksize = scsi_4btoul (rdcap->length);
1701
1702 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1703
1704 snprintf(announce_buf, sizeof(announce_buf),
1705 "cd present [%lu x %lu byte records]",
1706 cdp->disksize, (u_long)cdp->blksize);
1707
1708 } else {
1709 int error;
1710 /*
1711 * Retry any UNIT ATTENTION type errors. They
1712 * are expected at boot.
1713 */
1714 error = cderror(done_ccb, CAM_RETRY_SELTO,
1715 SF_RETRY_UA | SF_NO_PRINT);
1716 if (error == ERESTART) {
1717 /*
1718 * A retry was scheuled, so
1719 * just return.
1720 */
1721 return;
1722 } else if (error != 0) {
1723
1724 struct scsi_sense_data *sense;
1725 int asc, ascq;
1726 int sense_key, error_code;
1727 int have_sense;
1728 cam_status status;
1729 struct ccb_getdev cgd;
1730
1731 /* Don't wedge this device's queue */
1732 cam_release_devq(done_ccb->ccb_h.path,
1733 /*relsim_flags*/0,
1734 /*reduction*/0,
1735 /*timeout*/0,
1736 /*getcount_only*/0);
1737
1738 status = done_ccb->ccb_h.status;
1739
1740 xpt_setup_ccb(&cgd.ccb_h,
1741 done_ccb->ccb_h.path,
1742 /* priority */ 1);
1743 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1744 xpt_action((union ccb *)&cgd);
1745
1746 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1747 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1748 || ((status & CAM_AUTOSNS_VALID) == 0))
1749 have_sense = FALSE;
1750 else
1751 have_sense = TRUE;
1752
1753 if (have_sense) {
1754 sense = &csio->sense_data;
1755 scsi_extract_sense(sense, &error_code,
1756 &sense_key,
1757 &asc, &ascq);
1758 }
1759 /*
1760 * Attach to anything that claims to be a
1761 * CDROM or WORM device, as long as it
1762 * doesn't return a "Logical unit not
1763 * supported" (0x25) error.
1764 */
1765 if ((have_sense) && (asc != 0x25)
1766 && (error_code == SSD_CURRENT_ERROR)) {
1767 const char *sense_key_desc;
1768 const char *asc_desc;
1769
1770 scsi_sense_desc(sense_key, asc, ascq,
1771 &cgd.inq_data,
1772 &sense_key_desc,
1773 &asc_desc);
1774 snprintf(announce_buf,
1775 sizeof(announce_buf),
1776 "Attempt to query device "
1777 "size failed: %s, %s",
1778 sense_key_desc,
1779 asc_desc);
1780 } else if ((have_sense == 0)
1781 && ((status & CAM_STATUS_MASK) ==
1782 CAM_SCSI_STATUS_ERROR)
1783 && (csio->scsi_status ==
1784 SCSI_STATUS_BUSY)) {
1785 snprintf(announce_buf,
1786 sizeof(announce_buf),
1787 "Attempt to query device "
1788 "size failed: SCSI Status: %s",
1789 scsi_status_string(csio));
1790 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
1791 /*
1792 * We only print out an error for
1793 * CDROM type devices. For WORM
1794 * devices, we don't print out an
1795 * error since a few WORM devices
1796 * don't support CDROM commands.
1797 * If we have sense information, go
1798 * ahead and print it out.
1799 * Otherwise, just say that we
1800 * couldn't attach.
1801 */
1802
1803 /*
1804 * Just print out the error, not
1805 * the full probe message, when we
1806 * don't attach.
1807 */
1808 if (have_sense)
1809 scsi_sense_print(
1810 &done_ccb->csio);
1811 else {
1812 xpt_print(periph->path,
1813 "got CAM status %#x\n",
1814 done_ccb->ccb_h.status);
1815 }
1816 xpt_print(periph->path, "fatal error, "
1817 "failed to attach to device\n");
1818 /*
1819 * Invalidate this peripheral.
1820 */
1821 cam_periph_invalidate(periph);
1822
1823 announce_buf[0] = '\0';
1824 } else {
1825
1826 /*
1827 * Invalidate this peripheral.
1828 */
1829 cam_periph_invalidate(periph);
1830 announce_buf[0] = '\0';
1831 }
1832 }
1833 }
1834 free(rdcap, M_TEMP);
1835 if (announce_buf[0] != '\0') {
1836 xpt_announce_periph(periph, announce_buf);
1837 if (softc->flags & CD_FLAG_CHANGER)
1838 cdchangerschedule(softc);
1839 /*
1840 * Create our sysctl variables, now that we know
1841 * we have successfully attached.
1842 */
1843 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1844 }
1845 softc->state = CD_STATE_NORMAL;
1846 /*
1847 * Since our peripheral may be invalidated by an error
1848 * above or an external event, we must release our CCB
1849 * before releasing the probe lock on the peripheral.
1850 * The peripheral will only go away once the last lock
1851 * is removed, and we need it around for the CCB release
1852 * operation.
1853 */
1854 xpt_release_ccb(done_ccb);
1610
1611 if (softc->flags & CD_FLAG_CHANGER)
1612 cdchangerschedule(softc);
1613
1614 biofinish(bp, NULL, 0);
1615 break;
1616 }
1617 case CD_CCB_PROBE:
1618 {
1619 struct scsi_read_capacity_data *rdcap;
1620 char announce_buf[120]; /*
1621 * Currently (9/30/97) the
1622 * longest possible announce
1623 * buffer is 108 bytes, for the
1624 * first error case below.
1625 * That is 39 bytes for the
1626 * basic string, 16 bytes for the
1627 * biggest sense key (hardware
1628 * error), 52 bytes for the
1629 * text of the largest sense
1630 * qualifier valid for a CDROM,
1631 * (0x72, 0x03 or 0x04,
1632 * 0x03), and one byte for the
1633 * null terminating character.
1634 * To allow for longer strings,
1635 * the announce buffer is 120
1636 * bytes.
1637 */
1638 struct cd_params *cdp;
1639
1640 cdp = &softc->params;
1641
1642 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1643
1644 cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
1645 cdp->blksize = scsi_4btoul (rdcap->length);
1646
1647 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1648
1649 snprintf(announce_buf, sizeof(announce_buf),
1650 "cd present [%lu x %lu byte records]",
1651 cdp->disksize, (u_long)cdp->blksize);
1652
1653 } else {
1654 int error;
1655 /*
1656 * Retry any UNIT ATTENTION type errors. They
1657 * are expected at boot.
1658 */
1659 error = cderror(done_ccb, CAM_RETRY_SELTO,
1660 SF_RETRY_UA | SF_NO_PRINT);
1661 if (error == ERESTART) {
1662 /*
1663 * A retry was scheuled, so
1664 * just return.
1665 */
1666 return;
1667 } else if (error != 0) {
1668
1669 struct scsi_sense_data *sense;
1670 int asc, ascq;
1671 int sense_key, error_code;
1672 int have_sense;
1673 cam_status status;
1674 struct ccb_getdev cgd;
1675
1676 /* Don't wedge this device's queue */
1677 cam_release_devq(done_ccb->ccb_h.path,
1678 /*relsim_flags*/0,
1679 /*reduction*/0,
1680 /*timeout*/0,
1681 /*getcount_only*/0);
1682
1683 status = done_ccb->ccb_h.status;
1684
1685 xpt_setup_ccb(&cgd.ccb_h,
1686 done_ccb->ccb_h.path,
1687 /* priority */ 1);
1688 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1689 xpt_action((union ccb *)&cgd);
1690
1691 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1692 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1693 || ((status & CAM_AUTOSNS_VALID) == 0))
1694 have_sense = FALSE;
1695 else
1696 have_sense = TRUE;
1697
1698 if (have_sense) {
1699 sense = &csio->sense_data;
1700 scsi_extract_sense(sense, &error_code,
1701 &sense_key,
1702 &asc, &ascq);
1703 }
1704 /*
1705 * Attach to anything that claims to be a
1706 * CDROM or WORM device, as long as it
1707 * doesn't return a "Logical unit not
1708 * supported" (0x25) error.
1709 */
1710 if ((have_sense) && (asc != 0x25)
1711 && (error_code == SSD_CURRENT_ERROR)) {
1712 const char *sense_key_desc;
1713 const char *asc_desc;
1714
1715 scsi_sense_desc(sense_key, asc, ascq,
1716 &cgd.inq_data,
1717 &sense_key_desc,
1718 &asc_desc);
1719 snprintf(announce_buf,
1720 sizeof(announce_buf),
1721 "Attempt to query device "
1722 "size failed: %s, %s",
1723 sense_key_desc,
1724 asc_desc);
1725 } else if ((have_sense == 0)
1726 && ((status & CAM_STATUS_MASK) ==
1727 CAM_SCSI_STATUS_ERROR)
1728 && (csio->scsi_status ==
1729 SCSI_STATUS_BUSY)) {
1730 snprintf(announce_buf,
1731 sizeof(announce_buf),
1732 "Attempt to query device "
1733 "size failed: SCSI Status: %s",
1734 scsi_status_string(csio));
1735 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
1736 /*
1737 * We only print out an error for
1738 * CDROM type devices. For WORM
1739 * devices, we don't print out an
1740 * error since a few WORM devices
1741 * don't support CDROM commands.
1742 * If we have sense information, go
1743 * ahead and print it out.
1744 * Otherwise, just say that we
1745 * couldn't attach.
1746 */
1747
1748 /*
1749 * Just print out the error, not
1750 * the full probe message, when we
1751 * don't attach.
1752 */
1753 if (have_sense)
1754 scsi_sense_print(
1755 &done_ccb->csio);
1756 else {
1757 xpt_print(periph->path,
1758 "got CAM status %#x\n",
1759 done_ccb->ccb_h.status);
1760 }
1761 xpt_print(periph->path, "fatal error, "
1762 "failed to attach to device\n");
1763 /*
1764 * Invalidate this peripheral.
1765 */
1766 cam_periph_invalidate(periph);
1767
1768 announce_buf[0] = '\0';
1769 } else {
1770
1771 /*
1772 * Invalidate this peripheral.
1773 */
1774 cam_periph_invalidate(periph);
1775 announce_buf[0] = '\0';
1776 }
1777 }
1778 }
1779 free(rdcap, M_TEMP);
1780 if (announce_buf[0] != '\0') {
1781 xpt_announce_periph(periph, announce_buf);
1782 if (softc->flags & CD_FLAG_CHANGER)
1783 cdchangerschedule(softc);
1784 /*
1785 * Create our sysctl variables, now that we know
1786 * we have successfully attached.
1787 */
1788 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1789 }
1790 softc->state = CD_STATE_NORMAL;
1791 /*
1792 * Since our peripheral may be invalidated by an error
1793 * above or an external event, we must release our CCB
1794 * before releasing the probe lock on the peripheral.
1795 * The peripheral will only go away once the last lock
1796 * is removed, and we need it around for the CCB release
1797 * operation.
1798 */
1799 xpt_release_ccb(done_ccb);
1855 cam_periph_unlock(periph);
1800 cam_periph_unhold(periph);
1856 return;
1857 }
1858 case CD_CCB_WAITING:
1859 {
1860 /* Caller will release the CCB */
1861 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1862 ("trying to wakeup ccbwait\n"));
1863
1864 wakeup(&done_ccb->ccb_h.cbfcnp);
1865 return;
1866 }
1867 default:
1868 break;
1869 }
1870 xpt_release_ccb(done_ccb);
1871}
1872
1873static union cd_pages *
1874cdgetpage(struct cd_mode_params *mode_params)
1875{
1876 union cd_pages *page;
1877
1878 if (mode_params->cdb_size == 10)
1879 page = (union cd_pages *)find_mode_page_10(
1880 (struct scsi_mode_header_10 *)mode_params->mode_buf);
1881 else
1882 page = (union cd_pages *)find_mode_page_6(
1883 (struct scsi_mode_header_6 *)mode_params->mode_buf);
1884
1885 return (page);
1886}
1887
1888static int
1889cdgetpagesize(int page_num)
1890{
1891 int i;
1892
1893 for (i = 0; i < (sizeof(cd_page_size_table)/
1894 sizeof(cd_page_size_table[0])); i++) {
1895 if (cd_page_size_table[i].page == page_num)
1896 return (cd_page_size_table[i].page_size);
1897 }
1898
1899 return (-1);
1900}
1901
1902static int
1903cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
1904{
1905
1906 struct cam_periph *periph;
1907 struct cd_softc *softc;
1801 return;
1802 }
1803 case CD_CCB_WAITING:
1804 {
1805 /* Caller will release the CCB */
1806 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1807 ("trying to wakeup ccbwait\n"));
1808
1809 wakeup(&done_ccb->ccb_h.cbfcnp);
1810 return;
1811 }
1812 default:
1813 break;
1814 }
1815 xpt_release_ccb(done_ccb);
1816}
1817
1818static union cd_pages *
1819cdgetpage(struct cd_mode_params *mode_params)
1820{
1821 union cd_pages *page;
1822
1823 if (mode_params->cdb_size == 10)
1824 page = (union cd_pages *)find_mode_page_10(
1825 (struct scsi_mode_header_10 *)mode_params->mode_buf);
1826 else
1827 page = (union cd_pages *)find_mode_page_6(
1828 (struct scsi_mode_header_6 *)mode_params->mode_buf);
1829
1830 return (page);
1831}
1832
1833static int
1834cdgetpagesize(int page_num)
1835{
1836 int i;
1837
1838 for (i = 0; i < (sizeof(cd_page_size_table)/
1839 sizeof(cd_page_size_table[0])); i++) {
1840 if (cd_page_size_table[i].page == page_num)
1841 return (cd_page_size_table[i].page_size);
1842 }
1843
1844 return (-1);
1845}
1846
1847static int
1848cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
1849{
1850
1851 struct cam_periph *periph;
1852 struct cd_softc *softc;
1908 int error, nocopyout;
1853 int nocopyout, error = 0;
1909
1910 periph = (struct cam_periph *)dp->d_drv1;
1911 if (periph == NULL)
1912 return(ENXIO);
1913
1854
1855 periph = (struct cam_periph *)dp->d_drv1;
1856 if (periph == NULL)
1857 return(ENXIO);
1858
1859 cam_periph_lock(periph);
1914 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n"));
1915
1916 softc = (struct cd_softc *)periph->softc;
1917
1918 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1919 ("trying to do ioctl %#lx\n", cmd));
1920
1860 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n"));
1861
1862 softc = (struct cd_softc *)periph->softc;
1863
1864 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1865 ("trying to do ioctl %#lx\n", cmd));
1866
1921 error = cam_periph_lock(periph, PRIBIO | PCATCH);
1867 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
1868 cam_periph_unlock(periph);
1869 cam_periph_release(periph);
1870 return (error);
1871 }
1922
1872
1923 if (error != 0)
1924 return(error);
1925 /*
1926 * If we don't have media loaded, check for it. If still don't
1927 * have media loaded, we can only do a load or eject.
1928 *
1929 * We only care whether media is loaded if this is a cd-specific ioctl
1930 * (thus the IOCGROUP check below). Note that this will break if
1931 * anyone adds any ioctls into the switch statement below that don't
1932 * have their ioctl group set to 'c'.
1933 */
1934 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
1935 && ((cmd != CDIOCCLOSE)
1936 && (cmd != CDIOCEJECT))
1937 && (IOCGROUP(cmd) == 'c')) {
1938 error = cdcheckmedia(periph);
1873 /*
1874 * If we don't have media loaded, check for it. If still don't
1875 * have media loaded, we can only do a load or eject.
1876 *
1877 * We only care whether media is loaded if this is a cd-specific ioctl
1878 * (thus the IOCGROUP check below). Note that this will break if
1879 * anyone adds any ioctls into the switch statement below that don't
1880 * have their ioctl group set to 'c'.
1881 */
1882 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
1883 && ((cmd != CDIOCCLOSE)
1884 && (cmd != CDIOCEJECT))
1885 && (IOCGROUP(cmd) == 'c')) {
1886 error = cdcheckmedia(periph);
1939 if (error != 0) {
1940 cam_periph_unlock(periph);
1941 return (error);
1942 }
1943 }
1887 }
1888 /*
1889 * Drop the lock here so later mallocs can use WAITOK. The periph
1890 * is essentially locked still with the cam_periph_hold call above.
1891 */
1892 cam_periph_unlock(periph);
1893 if (error != 0)
1894 return (error);
1944
1945 nocopyout = 0;
1946 switch (cmd) {
1947
1948 case CDIOCPLAYTRACKS:
1949 {
1950 struct ioc_play_track *args
1951 = (struct ioc_play_track *) addr;
1952 struct cd_mode_params params;
1953 union cd_pages *page;
1954
1955 params.alloc_len = sizeof(union cd_mode_data_6_10);
1956 params.mode_buf = malloc(params.alloc_len, M_TEMP,
1957 M_WAITOK | M_ZERO);
1958
1895
1896 nocopyout = 0;
1897 switch (cmd) {
1898
1899 case CDIOCPLAYTRACKS:
1900 {
1901 struct ioc_play_track *args
1902 = (struct ioc_play_track *) addr;
1903 struct cd_mode_params params;
1904 union cd_pages *page;
1905
1906 params.alloc_len = sizeof(union cd_mode_data_6_10);
1907 params.mode_buf = malloc(params.alloc_len, M_TEMP,
1908 M_WAITOK | M_ZERO);
1909
1910 cam_periph_lock(periph);
1959 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1960 ("trying to do CDIOCPLAYTRACKS\n"));
1961
1962 error = cdgetmode(periph, &params, AUDIO_PAGE);
1963 if (error) {
1964 free(params.mode_buf, M_TEMP);
1911 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1912 ("trying to do CDIOCPLAYTRACKS\n"));
1913
1914 error = cdgetmode(periph, &params, AUDIO_PAGE);
1915 if (error) {
1916 free(params.mode_buf, M_TEMP);
1917 cam_periph_unlock(periph);
1965 break;
1966 }
1967 page = cdgetpage(&params);
1968
1969 page->audio.flags &= ~CD_PA_SOTC;
1970 page->audio.flags |= CD_PA_IMMED;
1971 error = cdsetmode(periph, &params);
1972 free(params.mode_buf, M_TEMP);
1918 break;
1919 }
1920 page = cdgetpage(&params);
1921
1922 page->audio.flags &= ~CD_PA_SOTC;
1923 page->audio.flags |= CD_PA_IMMED;
1924 error = cdsetmode(periph, &params);
1925 free(params.mode_buf, M_TEMP);
1973 if (error)
1926 if (error) {
1927 cam_periph_unlock(periph);
1974 break;
1928 break;
1929 }
1975
1976 /*
1977 * This was originally implemented with the PLAY
1978 * AUDIO TRACK INDEX command, but that command was
1979 * deprecated after SCSI-2. Most (all?) SCSI CDROM
1980 * drives support it but ATAPI and ATAPI-derivative
1981 * drives don't seem to support it. So we keep a
1982 * cache of the table of contents and translate
1983 * track numbers to MSF format.
1984 */
1985 if (softc->flags & CD_FLAG_VALID_TOC) {
1986 union msf_lba *sentry, *eentry;
1987 int st, et;
1988
1989 if (args->end_track <
1990 softc->toc.header.ending_track + 1)
1991 args->end_track++;
1992 if (args->end_track >
1993 softc->toc.header.ending_track + 1)
1994 args->end_track =
1995 softc->toc.header.ending_track + 1;
1996 st = args->start_track -
1997 softc->toc.header.starting_track;
1998 et = args->end_track -
1999 softc->toc.header.starting_track;
2000 if ((st < 0)
2001 || (et < 0)
2002 || (st > (softc->toc.header.ending_track -
2003 softc->toc.header.starting_track))) {
2004 error = EINVAL;
2005 break;
2006 }
2007 sentry = &softc->toc.entries[st].addr;
2008 eentry = &softc->toc.entries[et].addr;
2009 error = cdplaymsf(periph,
2010 sentry->msf.minute,
2011 sentry->msf.second,
2012 sentry->msf.frame,
2013 eentry->msf.minute,
2014 eentry->msf.second,
2015 eentry->msf.frame);
2016 } else {
2017 /*
2018 * If we don't have a valid TOC, try the
2019 * play track index command. It is part of
2020 * the SCSI-2 spec, but was removed in the
2021 * MMC specs. ATAPI and ATAPI-derived
2022 * drives don't support it.
2023 */
2024 if (softc->quirks & CD_Q_BCD_TRACKS) {
2025 args->start_track =
2026 bin2bcd(args->start_track);
2027 args->end_track =
2028 bin2bcd(args->end_track);
2029 }
2030 error = cdplaytracks(periph,
2031 args->start_track,
2032 args->start_index,
2033 args->end_track,
2034 args->end_index);
2035 }
1930
1931 /*
1932 * This was originally implemented with the PLAY
1933 * AUDIO TRACK INDEX command, but that command was
1934 * deprecated after SCSI-2. Most (all?) SCSI CDROM
1935 * drives support it but ATAPI and ATAPI-derivative
1936 * drives don't seem to support it. So we keep a
1937 * cache of the table of contents and translate
1938 * track numbers to MSF format.
1939 */
1940 if (softc->flags & CD_FLAG_VALID_TOC) {
1941 union msf_lba *sentry, *eentry;
1942 int st, et;
1943
1944 if (args->end_track <
1945 softc->toc.header.ending_track + 1)
1946 args->end_track++;
1947 if (args->end_track >
1948 softc->toc.header.ending_track + 1)
1949 args->end_track =
1950 softc->toc.header.ending_track + 1;
1951 st = args->start_track -
1952 softc->toc.header.starting_track;
1953 et = args->end_track -
1954 softc->toc.header.starting_track;
1955 if ((st < 0)
1956 || (et < 0)
1957 || (st > (softc->toc.header.ending_track -
1958 softc->toc.header.starting_track))) {
1959 error = EINVAL;
1960 break;
1961 }
1962 sentry = &softc->toc.entries[st].addr;
1963 eentry = &softc->toc.entries[et].addr;
1964 error = cdplaymsf(periph,
1965 sentry->msf.minute,
1966 sentry->msf.second,
1967 sentry->msf.frame,
1968 eentry->msf.minute,
1969 eentry->msf.second,
1970 eentry->msf.frame);
1971 } else {
1972 /*
1973 * If we don't have a valid TOC, try the
1974 * play track index command. It is part of
1975 * the SCSI-2 spec, but was removed in the
1976 * MMC specs. ATAPI and ATAPI-derived
1977 * drives don't support it.
1978 */
1979 if (softc->quirks & CD_Q_BCD_TRACKS) {
1980 args->start_track =
1981 bin2bcd(args->start_track);
1982 args->end_track =
1983 bin2bcd(args->end_track);
1984 }
1985 error = cdplaytracks(periph,
1986 args->start_track,
1987 args->start_index,
1988 args->end_track,
1989 args->end_index);
1990 }
1991 cam_periph_unlock(periph);
2036 }
2037 break;
2038 case CDIOCPLAYMSF:
2039 {
2040 struct ioc_play_msf *args
2041 = (struct ioc_play_msf *) addr;
2042 struct cd_mode_params params;
2043 union cd_pages *page;
2044
2045 params.alloc_len = sizeof(union cd_mode_data_6_10);
2046 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2047 M_WAITOK | M_ZERO);
2048
1992 }
1993 break;
1994 case CDIOCPLAYMSF:
1995 {
1996 struct ioc_play_msf *args
1997 = (struct ioc_play_msf *) addr;
1998 struct cd_mode_params params;
1999 union cd_pages *page;
2000
2001 params.alloc_len = sizeof(union cd_mode_data_6_10);
2002 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2003 M_WAITOK | M_ZERO);
2004
2005 cam_periph_lock(periph);
2049 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2050 ("trying to do CDIOCPLAYMSF\n"));
2051
2052 error = cdgetmode(periph, &params, AUDIO_PAGE);
2053 if (error) {
2054 free(params.mode_buf, M_TEMP);
2006 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2007 ("trying to do CDIOCPLAYMSF\n"));
2008
2009 error = cdgetmode(periph, &params, AUDIO_PAGE);
2010 if (error) {
2011 free(params.mode_buf, M_TEMP);
2012 cam_periph_unlock(periph);
2055 break;
2056 }
2057 page = cdgetpage(&params);
2058
2059 page->audio.flags &= ~CD_PA_SOTC;
2060 page->audio.flags |= CD_PA_IMMED;
2061 error = cdsetmode(periph, &params);
2062 free(params.mode_buf, M_TEMP);
2013 break;
2014 }
2015 page = cdgetpage(&params);
2016
2017 page->audio.flags &= ~CD_PA_SOTC;
2018 page->audio.flags |= CD_PA_IMMED;
2019 error = cdsetmode(periph, &params);
2020 free(params.mode_buf, M_TEMP);
2063 if (error)
2021 if (error) {
2022 cam_periph_unlock(periph);
2064 break;
2023 break;
2024 }
2065 error = cdplaymsf(periph,
2066 args->start_m,
2067 args->start_s,
2068 args->start_f,
2069 args->end_m,
2070 args->end_s,
2071 args->end_f);
2025 error = cdplaymsf(periph,
2026 args->start_m,
2027 args->start_s,
2028 args->start_f,
2029 args->end_m,
2030 args->end_s,
2031 args->end_f);
2032 cam_periph_unlock(periph);
2072 }
2073 break;
2074 case CDIOCPLAYBLOCKS:
2075 {
2076 struct ioc_play_blocks *args
2077 = (struct ioc_play_blocks *) addr;
2078 struct cd_mode_params params;
2079 union cd_pages *page;
2080
2033 }
2034 break;
2035 case CDIOCPLAYBLOCKS:
2036 {
2037 struct ioc_play_blocks *args
2038 = (struct ioc_play_blocks *) addr;
2039 struct cd_mode_params params;
2040 union cd_pages *page;
2041
2081 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2082 ("trying to do CDIOCPLAYBLOCKS\n"));
2083
2084 params.alloc_len = sizeof(union cd_mode_data_6_10);
2085 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2086 M_WAITOK | M_ZERO);
2087
2042 params.alloc_len = sizeof(union cd_mode_data_6_10);
2043 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2044 M_WAITOK | M_ZERO);
2045
2046 cam_periph_lock(periph);
2047 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2048 ("trying to do CDIOCPLAYBLOCKS\n"));
2049
2050
2088 error = cdgetmode(periph, &params, AUDIO_PAGE);
2089 if (error) {
2090 free(params.mode_buf, M_TEMP);
2051 error = cdgetmode(periph, &params, AUDIO_PAGE);
2052 if (error) {
2053 free(params.mode_buf, M_TEMP);
2054 cam_periph_unlock(periph);
2091 break;
2092 }
2093 page = cdgetpage(&params);
2094
2095 page->audio.flags &= ~CD_PA_SOTC;
2096 page->audio.flags |= CD_PA_IMMED;
2097 error = cdsetmode(periph, &params);
2098 free(params.mode_buf, M_TEMP);
2055 break;
2056 }
2057 page = cdgetpage(&params);
2058
2059 page->audio.flags &= ~CD_PA_SOTC;
2060 page->audio.flags |= CD_PA_IMMED;
2061 error = cdsetmode(periph, &params);
2062 free(params.mode_buf, M_TEMP);
2099 if (error)
2063 if (error) {
2064 cam_periph_unlock(periph);
2100 break;
2065 break;
2066 }
2101 error = cdplay(periph, args->blk, args->len);
2067 error = cdplay(periph, args->blk, args->len);
2068 cam_periph_unlock(periph);
2102 }
2103 break;
2104 case CDIOCREADSUBCHANNEL_SYSSPACE:
2105 nocopyout = 1;
2106 /* Fallthrough */
2107 case CDIOCREADSUBCHANNEL:
2108 {
2109 struct ioc_read_subchannel *args
2110 = (struct ioc_read_subchannel *) addr;
2111 struct cd_sub_channel_info *data;
2112 u_int32_t len = args->data_len;
2113
2069 }
2070 break;
2071 case CDIOCREADSUBCHANNEL_SYSSPACE:
2072 nocopyout = 1;
2073 /* Fallthrough */
2074 case CDIOCREADSUBCHANNEL:
2075 {
2076 struct ioc_read_subchannel *args
2077 = (struct ioc_read_subchannel *) addr;
2078 struct cd_sub_channel_info *data;
2079 u_int32_t len = args->data_len;
2080
2114 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2115 ("trying to do CDIOCREADSUBCHANNEL\n"));
2116
2117 data = malloc(sizeof(struct cd_sub_channel_info),
2118 M_TEMP, M_WAITOK);
2119
2081 data = malloc(sizeof(struct cd_sub_channel_info),
2082 M_TEMP, M_WAITOK);
2083
2084 cam_periph_lock(periph);
2085 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2086 ("trying to do CDIOCREADSUBCHANNEL\n"));
2087
2120 if ((len > sizeof(struct cd_sub_channel_info)) ||
2121 (len < sizeof(struct cd_sub_channel_header))) {
2122 printf(
2123 "scsi_cd: cdioctl: "
2124 "cdioreadsubchannel: error, len=%d\n",
2125 len);
2126 error = EINVAL;
2127 free(data, M_TEMP);
2088 if ((len > sizeof(struct cd_sub_channel_info)) ||
2089 (len < sizeof(struct cd_sub_channel_header))) {
2090 printf(
2091 "scsi_cd: cdioctl: "
2092 "cdioreadsubchannel: error, len=%d\n",
2093 len);
2094 error = EINVAL;
2095 free(data, M_TEMP);
2096 cam_periph_unlock(periph);
2128 break;
2129 }
2130
2131 if (softc->quirks & CD_Q_BCD_TRACKS)
2132 args->track = bin2bcd(args->track);
2133
2134 error = cdreadsubchannel(periph, args->address_format,
2135 args->data_format, args->track, data, len);
2136
2137 if (error) {
2138 free(data, M_TEMP);
2097 break;
2098 }
2099
2100 if (softc->quirks & CD_Q_BCD_TRACKS)
2101 args->track = bin2bcd(args->track);
2102
2103 error = cdreadsubchannel(periph, args->address_format,
2104 args->data_format, args->track, data, len);
2105
2106 if (error) {
2107 free(data, M_TEMP);
2108 cam_periph_unlock(periph);
2139 break;
2140 }
2141 if (softc->quirks & CD_Q_BCD_TRACKS)
2142 data->what.track_info.track_number =
2143 bcd2bin(data->what.track_info.track_number);
2144 len = min(len, ((data->header.data_len[0] << 8) +
2145 data->header.data_len[1] +
2146 sizeof(struct cd_sub_channel_header)));
2109 break;
2110 }
2111 if (softc->quirks & CD_Q_BCD_TRACKS)
2112 data->what.track_info.track_number =
2113 bcd2bin(data->what.track_info.track_number);
2114 len = min(len, ((data->header.data_len[0] << 8) +
2115 data->header.data_len[1] +
2116 sizeof(struct cd_sub_channel_header)));
2117 cam_periph_unlock(periph);
2147 if (nocopyout == 0) {
2148 if (copyout(data, args->data, len) != 0) {
2149 error = EFAULT;
2150 }
2151 } else {
2152 bcopy(data, args->data, len);
2153 }
2154 free(data, M_TEMP);
2155 }
2156 break;
2157
2158 case CDIOREADTOCHEADER:
2159 {
2160 struct ioc_toc_header *th;
2161
2118 if (nocopyout == 0) {
2119 if (copyout(data, args->data, len) != 0) {
2120 error = EFAULT;
2121 }
2122 } else {
2123 bcopy(data, args->data, len);
2124 }
2125 free(data, M_TEMP);
2126 }
2127 break;
2128
2129 case CDIOREADTOCHEADER:
2130 {
2131 struct ioc_toc_header *th;
2132
2133 th = malloc(sizeof(struct ioc_toc_header), M_TEMP,
2134 M_WAITOK);
2135
2136 cam_periph_lock(periph);
2162 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2163 ("trying to do CDIOREADTOCHEADER\n"));
2164
2137 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2138 ("trying to do CDIOREADTOCHEADER\n"));
2139
2165 th = malloc(sizeof(struct ioc_toc_header), M_TEMP,
2166 M_WAITOK);
2167 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2168 sizeof (*th), /*sense_flags*/0);
2169 if (error) {
2170 free(th, M_TEMP);
2140 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2141 sizeof (*th), /*sense_flags*/0);
2142 if (error) {
2143 free(th, M_TEMP);
2144 cam_periph_unlock(periph);
2171 break;
2172 }
2173 if (softc->quirks & CD_Q_BCD_TRACKS) {
2174 /* we are going to have to convert the BCD
2175 * encoding on the cd to what is expected
2176 */
2177 th->starting_track =
2178 bcd2bin(th->starting_track);
2179 th->ending_track = bcd2bin(th->ending_track);
2180 }
2181 th->len = ntohs(th->len);
2182 bcopy(th, addr, sizeof(*th));
2183 free(th, M_TEMP);
2145 break;
2146 }
2147 if (softc->quirks & CD_Q_BCD_TRACKS) {
2148 /* we are going to have to convert the BCD
2149 * encoding on the cd to what is expected
2150 */
2151 th->starting_track =
2152 bcd2bin(th->starting_track);
2153 th->ending_track = bcd2bin(th->ending_track);
2154 }
2155 th->len = ntohs(th->len);
2156 bcopy(th, addr, sizeof(*th));
2157 free(th, M_TEMP);
2158 cam_periph_unlock(periph);
2184 }
2185 break;
2186 case CDIOREADTOCENTRYS:
2187 {
2188 struct cd_tocdata *data;
2189 struct cd_toc_single *lead;
2190 struct ioc_read_toc_entry *te =
2191 (struct ioc_read_toc_entry *) addr;
2192 struct ioc_toc_header *th;
2193 u_int32_t len, readlen, idx, num;
2194 u_int32_t starting_track = te->starting_track;
2195
2159 }
2160 break;
2161 case CDIOREADTOCENTRYS:
2162 {
2163 struct cd_tocdata *data;
2164 struct cd_toc_single *lead;
2165 struct ioc_read_toc_entry *te =
2166 (struct ioc_read_toc_entry *) addr;
2167 struct ioc_toc_header *th;
2168 u_int32_t len, readlen, idx, num;
2169 u_int32_t starting_track = te->starting_track;
2170
2196 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2197 ("trying to do CDIOREADTOCENTRYS\n"));
2198
2199 data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
2200 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK);
2201
2171 data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
2172 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK);
2173
2174 cam_periph_lock(periph);
2175 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2176 ("trying to do CDIOREADTOCENTRYS\n"));
2177
2202 if (te->data_len < sizeof(struct cd_toc_entry)
2203 || (te->data_len % sizeof(struct cd_toc_entry)) != 0
2204 || (te->address_format != CD_MSF_FORMAT
2205 && te->address_format != CD_LBA_FORMAT)) {
2206 error = EINVAL;
2207 printf("scsi_cd: error in readtocentries, "
2208 "returning EINVAL\n");
2209 free(data, M_TEMP);
2210 free(lead, M_TEMP);
2178 if (te->data_len < sizeof(struct cd_toc_entry)
2179 || (te->data_len % sizeof(struct cd_toc_entry)) != 0
2180 || (te->address_format != CD_MSF_FORMAT
2181 && te->address_format != CD_LBA_FORMAT)) {
2182 error = EINVAL;
2183 printf("scsi_cd: error in readtocentries, "
2184 "returning EINVAL\n");
2185 free(data, M_TEMP);
2186 free(lead, M_TEMP);
2187 cam_periph_unlock(periph);
2211 break;
2212 }
2213
2214 th = &data->header;
2215 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2216 sizeof (*th), /*sense_flags*/0);
2217 if (error) {
2218 free(data, M_TEMP);
2219 free(lead, M_TEMP);
2188 break;
2189 }
2190
2191 th = &data->header;
2192 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2193 sizeof (*th), /*sense_flags*/0);
2194 if (error) {
2195 free(data, M_TEMP);
2196 free(lead, M_TEMP);
2197 cam_periph_unlock(periph);
2220 break;
2221 }
2222
2223 if (softc->quirks & CD_Q_BCD_TRACKS) {
2224 /* we are going to have to convert the BCD
2225 * encoding on the cd to what is expected
2226 */
2227 th->starting_track =
2228 bcd2bin(th->starting_track);
2229 th->ending_track = bcd2bin(th->ending_track);
2230 }
2231
2232 if (starting_track == 0)
2233 starting_track = th->starting_track;
2234 else if (starting_track == LEADOUT)
2235 starting_track = th->ending_track + 1;
2236 else if (starting_track < th->starting_track ||
2237 starting_track > th->ending_track + 1) {
2238 printf("scsi_cd: error in readtocentries, "
2239 "returning EINVAL\n");
2240 free(data, M_TEMP);
2241 free(lead, M_TEMP);
2198 break;
2199 }
2200
2201 if (softc->quirks & CD_Q_BCD_TRACKS) {
2202 /* we are going to have to convert the BCD
2203 * encoding on the cd to what is expected
2204 */
2205 th->starting_track =
2206 bcd2bin(th->starting_track);
2207 th->ending_track = bcd2bin(th->ending_track);
2208 }
2209
2210 if (starting_track == 0)
2211 starting_track = th->starting_track;
2212 else if (starting_track == LEADOUT)
2213 starting_track = th->ending_track + 1;
2214 else if (starting_track < th->starting_track ||
2215 starting_track > th->ending_track + 1) {
2216 printf("scsi_cd: error in readtocentries, "
2217 "returning EINVAL\n");
2218 free(data, M_TEMP);
2219 free(lead, M_TEMP);
2220 cam_periph_unlock(periph);
2242 error = EINVAL;
2243 break;
2244 }
2245
2246 /* calculate reading length without leadout entry */
2247 readlen = (th->ending_track - starting_track + 1) *
2248 sizeof(struct cd_toc_entry);
2249
2250 /* and with leadout entry */
2251 len = readlen + sizeof(struct cd_toc_entry);
2252 if (te->data_len < len) {
2253 len = te->data_len;
2254 if (readlen > len)
2255 readlen = len;
2256 }
2257 if (len > sizeof(data->entries)) {
2258 printf("scsi_cd: error in readtocentries, "
2259 "returning EINVAL\n");
2260 error = EINVAL;
2261 free(data, M_TEMP);
2262 free(lead, M_TEMP);
2221 error = EINVAL;
2222 break;
2223 }
2224
2225 /* calculate reading length without leadout entry */
2226 readlen = (th->ending_track - starting_track + 1) *
2227 sizeof(struct cd_toc_entry);
2228
2229 /* and with leadout entry */
2230 len = readlen + sizeof(struct cd_toc_entry);
2231 if (te->data_len < len) {
2232 len = te->data_len;
2233 if (readlen > len)
2234 readlen = len;
2235 }
2236 if (len > sizeof(data->entries)) {
2237 printf("scsi_cd: error in readtocentries, "
2238 "returning EINVAL\n");
2239 error = EINVAL;
2240 free(data, M_TEMP);
2241 free(lead, M_TEMP);
2242 cam_periph_unlock(periph);
2263 break;
2264 }
2265 num = len / sizeof(struct cd_toc_entry);
2266
2267 if (readlen > 0) {
2268 error = cdreadtoc(periph, te->address_format,
2269 starting_track,
2270 (u_int8_t *)data,
2271 readlen + sizeof (*th),
2272 /*sense_flags*/0);
2273 if (error) {
2274 free(data, M_TEMP);
2275 free(lead, M_TEMP);
2243 break;
2244 }
2245 num = len / sizeof(struct cd_toc_entry);
2246
2247 if (readlen > 0) {
2248 error = cdreadtoc(periph, te->address_format,
2249 starting_track,
2250 (u_int8_t *)data,
2251 readlen + sizeof (*th),
2252 /*sense_flags*/0);
2253 if (error) {
2254 free(data, M_TEMP);
2255 free(lead, M_TEMP);
2256 cam_periph_unlock(periph);
2276 break;
2277 }
2278 }
2279
2280 /* make leadout entry if needed */
2281 idx = starting_track + num - 1;
2282 if (softc->quirks & CD_Q_BCD_TRACKS)
2283 th->ending_track = bcd2bin(th->ending_track);
2284 if (idx == th->ending_track + 1) {
2285 error = cdreadtoc(periph, te->address_format,
2286 LEADOUT, (u_int8_t *)lead,
2287 sizeof(*lead),
2288 /*sense_flags*/0);
2289 if (error) {
2290 free(data, M_TEMP);
2291 free(lead, M_TEMP);
2257 break;
2258 }
2259 }
2260
2261 /* make leadout entry if needed */
2262 idx = starting_track + num - 1;
2263 if (softc->quirks & CD_Q_BCD_TRACKS)
2264 th->ending_track = bcd2bin(th->ending_track);
2265 if (idx == th->ending_track + 1) {
2266 error = cdreadtoc(periph, te->address_format,
2267 LEADOUT, (u_int8_t *)lead,
2268 sizeof(*lead),
2269 /*sense_flags*/0);
2270 if (error) {
2271 free(data, M_TEMP);
2272 free(lead, M_TEMP);
2273 cam_periph_unlock(periph);
2292 break;
2293 }
2294 data->entries[idx - starting_track] =
2295 lead->entry;
2296 }
2297 if (softc->quirks & CD_Q_BCD_TRACKS) {
2298 for (idx = 0; idx < num - 1; idx++) {
2299 data->entries[idx].track =
2300 bcd2bin(data->entries[idx].track);
2301 }
2302 }
2303
2274 break;
2275 }
2276 data->entries[idx - starting_track] =
2277 lead->entry;
2278 }
2279 if (softc->quirks & CD_Q_BCD_TRACKS) {
2280 for (idx = 0; idx < num - 1; idx++) {
2281 data->entries[idx].track =
2282 bcd2bin(data->entries[idx].track);
2283 }
2284 }
2285
2286 cam_periph_unlock(periph);
2304 error = copyout(data->entries, te->data, len);
2305 free(data, M_TEMP);
2306 free(lead, M_TEMP);
2307 }
2308 break;
2309 case CDIOREADTOCENTRY:
2310 {
2311 struct cd_toc_single *data;
2312 struct ioc_read_toc_single_entry *te =
2313 (struct ioc_read_toc_single_entry *) addr;
2314 struct ioc_toc_header *th;
2315 u_int32_t track;
2316
2287 error = copyout(data->entries, te->data, len);
2288 free(data, M_TEMP);
2289 free(lead, M_TEMP);
2290 }
2291 break;
2292 case CDIOREADTOCENTRY:
2293 {
2294 struct cd_toc_single *data;
2295 struct ioc_read_toc_single_entry *te =
2296 (struct ioc_read_toc_single_entry *) addr;
2297 struct ioc_toc_header *th;
2298 u_int32_t track;
2299
2300 data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
2301
2302 cam_periph_lock(periph);
2317 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2318 ("trying to do CDIOREADTOCENTRY\n"));
2319
2303 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2304 ("trying to do CDIOREADTOCENTRY\n"));
2305
2320 data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
2321
2322 if (te->address_format != CD_MSF_FORMAT
2323 && te->address_format != CD_LBA_FORMAT) {
2324 printf("error in readtocentry, "
2325 " returning EINVAL\n");
2326 free(data, M_TEMP);
2327 error = EINVAL;
2306 if (te->address_format != CD_MSF_FORMAT
2307 && te->address_format != CD_LBA_FORMAT) {
2308 printf("error in readtocentry, "
2309 " returning EINVAL\n");
2310 free(data, M_TEMP);
2311 error = EINVAL;
2312 cam_periph_unlock(periph);
2328 break;
2329 }
2330
2331 th = &data->header;
2332 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2333 sizeof (*th), /*sense_flags*/0);
2334 if (error) {
2335 free(data, M_TEMP);
2313 break;
2314 }
2315
2316 th = &data->header;
2317 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2318 sizeof (*th), /*sense_flags*/0);
2319 if (error) {
2320 free(data, M_TEMP);
2321 cam_periph_unlock(periph);
2336 break;
2337 }
2338
2339 if (softc->quirks & CD_Q_BCD_TRACKS) {
2340 /* we are going to have to convert the BCD
2341 * encoding on the cd to what is expected
2342 */
2343 th->starting_track =
2344 bcd2bin(th->starting_track);
2345 th->ending_track = bcd2bin(th->ending_track);
2346 }
2347 track = te->track;
2348 if (track == 0)
2349 track = th->starting_track;
2350 else if (track == LEADOUT)
2351 /* OK */;
2352 else if (track < th->starting_track ||
2353 track > th->ending_track + 1) {
2354 printf("error in readtocentry, "
2355 " returning EINVAL\n");
2356 free(data, M_TEMP);
2357 error = EINVAL;
2322 break;
2323 }
2324
2325 if (softc->quirks & CD_Q_BCD_TRACKS) {
2326 /* we are going to have to convert the BCD
2327 * encoding on the cd to what is expected
2328 */
2329 th->starting_track =
2330 bcd2bin(th->starting_track);
2331 th->ending_track = bcd2bin(th->ending_track);
2332 }
2333 track = te->track;
2334 if (track == 0)
2335 track = th->starting_track;
2336 else if (track == LEADOUT)
2337 /* OK */;
2338 else if (track < th->starting_track ||
2339 track > th->ending_track + 1) {
2340 printf("error in readtocentry, "
2341 " returning EINVAL\n");
2342 free(data, M_TEMP);
2343 error = EINVAL;
2344 cam_periph_unlock(periph);
2358 break;
2359 }
2360
2361 error = cdreadtoc(periph, te->address_format, track,
2362 (u_int8_t *)data, sizeof(*data),
2363 /*sense_flags*/0);
2364 if (error) {
2365 free(data, M_TEMP);
2345 break;
2346 }
2347
2348 error = cdreadtoc(periph, te->address_format, track,
2349 (u_int8_t *)data, sizeof(*data),
2350 /*sense_flags*/0);
2351 if (error) {
2352 free(data, M_TEMP);
2353 cam_periph_unlock(periph);
2366 break;
2367 }
2368
2369 if (softc->quirks & CD_Q_BCD_TRACKS)
2370 data->entry.track = bcd2bin(data->entry.track);
2371 bcopy(&data->entry, &te->entry,
2372 sizeof(struct cd_toc_entry));
2373 free(data, M_TEMP);
2354 break;
2355 }
2356
2357 if (softc->quirks & CD_Q_BCD_TRACKS)
2358 data->entry.track = bcd2bin(data->entry.track);
2359 bcopy(&data->entry, &te->entry,
2360 sizeof(struct cd_toc_entry));
2361 free(data, M_TEMP);
2362 cam_periph_unlock(periph);
2374 }
2375 break;
2376 case CDIOCSETPATCH:
2377 {
2378 struct ioc_patch *arg = (struct ioc_patch *)addr;
2379 struct cd_mode_params params;
2380 union cd_pages *page;
2381
2363 }
2364 break;
2365 case CDIOCSETPATCH:
2366 {
2367 struct ioc_patch *arg = (struct ioc_patch *)addr;
2368 struct cd_mode_params params;
2369 union cd_pages *page;
2370
2382 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2383 ("trying to do CDIOCSETPATCH\n"));
2384
2385 params.alloc_len = sizeof(union cd_mode_data_6_10);
2386 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2387 M_WAITOK | M_ZERO);
2371 params.alloc_len = sizeof(union cd_mode_data_6_10);
2372 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2373 M_WAITOK | M_ZERO);
2374
2375 cam_periph_lock(periph);
2376 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2377 ("trying to do CDIOCSETPATCH\n"));
2378
2388 error = cdgetmode(periph, &params, AUDIO_PAGE);
2389 if (error) {
2390 free(params.mode_buf, M_TEMP);
2379 error = cdgetmode(periph, &params, AUDIO_PAGE);
2380 if (error) {
2381 free(params.mode_buf, M_TEMP);
2382 cam_periph_unlock(periph);
2391 break;
2392 }
2393 page = cdgetpage(&params);
2394
2395 page->audio.port[LEFT_PORT].channels =
2396 arg->patch[0];
2397 page->audio.port[RIGHT_PORT].channels =
2398 arg->patch[1];
2399 page->audio.port[2].channels = arg->patch[2];
2400 page->audio.port[3].channels = arg->patch[3];
2401 error = cdsetmode(periph, &params);
2402 free(params.mode_buf, M_TEMP);
2383 break;
2384 }
2385 page = cdgetpage(&params);
2386
2387 page->audio.port[LEFT_PORT].channels =
2388 arg->patch[0];
2389 page->audio.port[RIGHT_PORT].channels =
2390 arg->patch[1];
2391 page->audio.port[2].channels = arg->patch[2];
2392 page->audio.port[3].channels = arg->patch[3];
2393 error = cdsetmode(periph, &params);
2394 free(params.mode_buf, M_TEMP);
2395 cam_periph_unlock(periph);
2403 }
2404 break;
2405 case CDIOCGETVOL:
2406 {
2407 struct ioc_vol *arg = (struct ioc_vol *) addr;
2408 struct cd_mode_params params;
2409 union cd_pages *page;
2410
2396 }
2397 break;
2398 case CDIOCGETVOL:
2399 {
2400 struct ioc_vol *arg = (struct ioc_vol *) addr;
2401 struct cd_mode_params params;
2402 union cd_pages *page;
2403
2411 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2412 ("trying to do CDIOCGETVOL\n"));
2413
2414 params.alloc_len = sizeof(union cd_mode_data_6_10);
2415 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2416 M_WAITOK | M_ZERO);
2404 params.alloc_len = sizeof(union cd_mode_data_6_10);
2405 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2406 M_WAITOK | M_ZERO);
2407
2408 cam_periph_lock(periph);
2409 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2410 ("trying to do CDIOCGETVOL\n"));
2411
2417 error = cdgetmode(periph, &params, AUDIO_PAGE);
2418 if (error) {
2419 free(params.mode_buf, M_TEMP);
2412 error = cdgetmode(periph, &params, AUDIO_PAGE);
2413 if (error) {
2414 free(params.mode_buf, M_TEMP);
2415 cam_periph_unlock(periph);
2420 break;
2421 }
2422 page = cdgetpage(&params);
2423
2424 arg->vol[LEFT_PORT] =
2425 page->audio.port[LEFT_PORT].volume;
2426 arg->vol[RIGHT_PORT] =
2427 page->audio.port[RIGHT_PORT].volume;
2428 arg->vol[2] = page->audio.port[2].volume;
2429 arg->vol[3] = page->audio.port[3].volume;
2430 free(params.mode_buf, M_TEMP);
2416 break;
2417 }
2418 page = cdgetpage(&params);
2419
2420 arg->vol[LEFT_PORT] =
2421 page->audio.port[LEFT_PORT].volume;
2422 arg->vol[RIGHT_PORT] =
2423 page->audio.port[RIGHT_PORT].volume;
2424 arg->vol[2] = page->audio.port[2].volume;
2425 arg->vol[3] = page->audio.port[3].volume;
2426 free(params.mode_buf, M_TEMP);
2427 cam_periph_unlock(periph);
2431 }
2432 break;
2433 case CDIOCSETVOL:
2434 {
2435 struct ioc_vol *arg = (struct ioc_vol *) addr;
2436 struct cd_mode_params params;
2437 union cd_pages *page;
2438
2428 }
2429 break;
2430 case CDIOCSETVOL:
2431 {
2432 struct ioc_vol *arg = (struct ioc_vol *) addr;
2433 struct cd_mode_params params;
2434 union cd_pages *page;
2435
2439 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2440 ("trying to do CDIOCSETVOL\n"));
2441
2442 params.alloc_len = sizeof(union cd_mode_data_6_10);
2443 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2444 M_WAITOK | M_ZERO);
2436 params.alloc_len = sizeof(union cd_mode_data_6_10);
2437 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2438 M_WAITOK | M_ZERO);
2439
2440 cam_periph_lock(periph);
2441 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2442 ("trying to do CDIOCSETVOL\n"));
2443
2445 error = cdgetmode(periph, &params, AUDIO_PAGE);
2446 if (error) {
2447 free(params.mode_buf, M_TEMP);
2444 error = cdgetmode(periph, &params, AUDIO_PAGE);
2445 if (error) {
2446 free(params.mode_buf, M_TEMP);
2447 cam_periph_unlock(periph);
2448 break;
2449 }
2450 page = cdgetpage(&params);
2451
2452 page->audio.port[LEFT_PORT].channels = CHANNEL_0;
2453 page->audio.port[LEFT_PORT].volume =
2454 arg->vol[LEFT_PORT];
2455 page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
2456 page->audio.port[RIGHT_PORT].volume =
2457 arg->vol[RIGHT_PORT];
2458 page->audio.port[2].volume = arg->vol[2];
2459 page->audio.port[3].volume = arg->vol[3];
2460 error = cdsetmode(periph, &params);
2448 break;
2449 }
2450 page = cdgetpage(&params);
2451
2452 page->audio.port[LEFT_PORT].channels = CHANNEL_0;
2453 page->audio.port[LEFT_PORT].volume =
2454 arg->vol[LEFT_PORT];
2455 page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
2456 page->audio.port[RIGHT_PORT].volume =
2457 arg->vol[RIGHT_PORT];
2458 page->audio.port[2].volume = arg->vol[2];
2459 page->audio.port[3].volume = arg->vol[3];
2460 error = cdsetmode(periph, &params);
2461 cam_periph_unlock(periph);
2461 free(params.mode_buf, M_TEMP);
2462 }
2463 break;
2464 case CDIOCSETMONO:
2465 {
2466 struct cd_mode_params params;
2467 union cd_pages *page;
2468
2462 free(params.mode_buf, M_TEMP);
2463 }
2464 break;
2465 case CDIOCSETMONO:
2466 {
2467 struct cd_mode_params params;
2468 union cd_pages *page;
2469
2469 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2470 ("trying to do CDIOCSETMONO\n"));
2471
2472 params.alloc_len = sizeof(union cd_mode_data_6_10);
2473 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2474 M_WAITOK | M_ZERO);
2470 params.alloc_len = sizeof(union cd_mode_data_6_10);
2471 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2472 M_WAITOK | M_ZERO);
2473
2474 cam_periph_lock(periph);
2475 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2476 ("trying to do CDIOCSETMONO\n"));
2477
2475 error = cdgetmode(periph, &params, AUDIO_PAGE);
2476 if (error) {
2477 free(params.mode_buf, M_TEMP);
2478 error = cdgetmode(periph, &params, AUDIO_PAGE);
2479 if (error) {
2480 free(params.mode_buf, M_TEMP);
2481 cam_periph_unlock(periph);
2478 break;
2479 }
2480 page = cdgetpage(&params);
2481
2482 page->audio.port[LEFT_PORT].channels =
2483 LEFT_CHANNEL | RIGHT_CHANNEL;
2484 page->audio.port[RIGHT_PORT].channels =
2485 LEFT_CHANNEL | RIGHT_CHANNEL;
2486 page->audio.port[2].channels = 0;
2487 page->audio.port[3].channels = 0;
2488 error = cdsetmode(periph, &params);
2482 break;
2483 }
2484 page = cdgetpage(&params);
2485
2486 page->audio.port[LEFT_PORT].channels =
2487 LEFT_CHANNEL | RIGHT_CHANNEL;
2488 page->audio.port[RIGHT_PORT].channels =
2489 LEFT_CHANNEL | RIGHT_CHANNEL;
2490 page->audio.port[2].channels = 0;
2491 page->audio.port[3].channels = 0;
2492 error = cdsetmode(periph, &params);
2493 cam_periph_unlock(periph);
2489 free(params.mode_buf, M_TEMP);
2490 }
2491 break;
2492 case CDIOCSETSTEREO:
2493 {
2494 struct cd_mode_params params;
2495 union cd_pages *page;
2496
2494 free(params.mode_buf, M_TEMP);
2495 }
2496 break;
2497 case CDIOCSETSTEREO:
2498 {
2499 struct cd_mode_params params;
2500 union cd_pages *page;
2501
2497 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2498 ("trying to do CDIOCSETSTEREO\n"));
2499
2500 params.alloc_len = sizeof(union cd_mode_data_6_10);
2501 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2502 M_WAITOK | M_ZERO);
2502 params.alloc_len = sizeof(union cd_mode_data_6_10);
2503 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2504 M_WAITOK | M_ZERO);
2505
2506 cam_periph_lock(periph);
2507 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2508 ("trying to do CDIOCSETSTEREO\n"));
2509
2503 error = cdgetmode(periph, &params, AUDIO_PAGE);
2504 if (error) {
2505 free(params.mode_buf, M_TEMP);
2510 error = cdgetmode(periph, &params, AUDIO_PAGE);
2511 if (error) {
2512 free(params.mode_buf, M_TEMP);
2513 cam_periph_unlock(periph);
2506 break;
2507 }
2508 page = cdgetpage(&params);
2509
2510 page->audio.port[LEFT_PORT].channels =
2511 LEFT_CHANNEL;
2512 page->audio.port[RIGHT_PORT].channels =
2513 RIGHT_CHANNEL;
2514 page->audio.port[2].channels = 0;
2515 page->audio.port[3].channels = 0;
2516 error = cdsetmode(periph, &params);
2517 free(params.mode_buf, M_TEMP);
2514 break;
2515 }
2516 page = cdgetpage(&params);
2517
2518 page->audio.port[LEFT_PORT].channels =
2519 LEFT_CHANNEL;
2520 page->audio.port[RIGHT_PORT].channels =
2521 RIGHT_CHANNEL;
2522 page->audio.port[2].channels = 0;
2523 page->audio.port[3].channels = 0;
2524 error = cdsetmode(periph, &params);
2525 free(params.mode_buf, M_TEMP);
2526 cam_periph_unlock(periph);
2518 }
2519 break;
2520 case CDIOCSETMUTE:
2521 {
2522 struct cd_mode_params params;
2523 union cd_pages *page;
2524
2527 }
2528 break;
2529 case CDIOCSETMUTE:
2530 {
2531 struct cd_mode_params params;
2532 union cd_pages *page;
2533
2525 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2526 ("trying to do CDIOCSETMUTE\n"));
2527
2528 params.alloc_len = sizeof(union cd_mode_data_6_10);
2529 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2530 M_WAITOK | M_ZERO);
2534 params.alloc_len = sizeof(union cd_mode_data_6_10);
2535 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2536 M_WAITOK | M_ZERO);
2537
2538 cam_periph_lock(periph);
2539 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2540 ("trying to do CDIOCSETMUTE\n"));
2541
2531 error = cdgetmode(periph, &params, AUDIO_PAGE);
2532 if (error) {
2533 free(&params, M_TEMP);
2542 error = cdgetmode(periph, &params, AUDIO_PAGE);
2543 if (error) {
2544 free(&params, M_TEMP);
2545 cam_periph_unlock(periph);
2534 break;
2535 }
2536 page = cdgetpage(&params);
2537
2538 page->audio.port[LEFT_PORT].channels = 0;
2539 page->audio.port[RIGHT_PORT].channels = 0;
2540 page->audio.port[2].channels = 0;
2541 page->audio.port[3].channels = 0;
2542 error = cdsetmode(periph, &params);
2543 free(params.mode_buf, M_TEMP);
2546 break;
2547 }
2548 page = cdgetpage(&params);
2549
2550 page->audio.port[LEFT_PORT].channels = 0;
2551 page->audio.port[RIGHT_PORT].channels = 0;
2552 page->audio.port[2].channels = 0;
2553 page->audio.port[3].channels = 0;
2554 error = cdsetmode(periph, &params);
2555 free(params.mode_buf, M_TEMP);
2556 cam_periph_unlock(periph);
2544 }
2545 break;
2546 case CDIOCSETLEFT:
2547 {
2548 struct cd_mode_params params;
2549 union cd_pages *page;
2550
2557 }
2558 break;
2559 case CDIOCSETLEFT:
2560 {
2561 struct cd_mode_params params;
2562 union cd_pages *page;
2563
2551 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2552 ("trying to do CDIOCSETLEFT\n"));
2553
2554 params.alloc_len = sizeof(union cd_mode_data_6_10);
2555 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2556 M_WAITOK | M_ZERO);
2564 params.alloc_len = sizeof(union cd_mode_data_6_10);
2565 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2566 M_WAITOK | M_ZERO);
2557
2567
2568 cam_periph_lock(periph);
2569 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2570 ("trying to do CDIOCSETLEFT\n"));
2571
2558 error = cdgetmode(periph, &params, AUDIO_PAGE);
2559 if (error) {
2560 free(params.mode_buf, M_TEMP);
2572 error = cdgetmode(periph, &params, AUDIO_PAGE);
2573 if (error) {
2574 free(params.mode_buf, M_TEMP);
2575 cam_periph_unlock(periph);
2561 break;
2562 }
2563 page = cdgetpage(&params);
2564
2565 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
2566 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
2567 page->audio.port[2].channels = 0;
2568 page->audio.port[3].channels = 0;
2569 error = cdsetmode(periph, &params);
2570 free(params.mode_buf, M_TEMP);
2576 break;
2577 }
2578 page = cdgetpage(&params);
2579
2580 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
2581 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
2582 page->audio.port[2].channels = 0;
2583 page->audio.port[3].channels = 0;
2584 error = cdsetmode(periph, &params);
2585 free(params.mode_buf, M_TEMP);
2586 cam_periph_unlock(periph);
2571 }
2572 break;
2573 case CDIOCSETRIGHT:
2574 {
2575 struct cd_mode_params params;
2576 union cd_pages *page;
2577
2587 }
2588 break;
2589 case CDIOCSETRIGHT:
2590 {
2591 struct cd_mode_params params;
2592 union cd_pages *page;
2593
2578 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2579 ("trying to do CDIOCSETRIGHT\n"));
2580
2581 params.alloc_len = sizeof(union cd_mode_data_6_10);
2582 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2583 M_WAITOK | M_ZERO);
2584
2594 params.alloc_len = sizeof(union cd_mode_data_6_10);
2595 params.mode_buf = malloc(params.alloc_len, M_TEMP,
2596 M_WAITOK | M_ZERO);
2597
2598 cam_periph_lock(periph);
2599 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2600 ("trying to do CDIOCSETRIGHT\n"));
2601
2585 error = cdgetmode(periph, &params, AUDIO_PAGE);
2586 if (error) {
2587 free(params.mode_buf, M_TEMP);
2602 error = cdgetmode(periph, &params, AUDIO_PAGE);
2603 if (error) {
2604 free(params.mode_buf, M_TEMP);
2605 cam_periph_unlock(periph);
2588 break;
2589 }
2590 page = cdgetpage(&params);
2591
2592 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
2593 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
2594 page->audio.port[2].channels = 0;
2595 page->audio.port[3].channels = 0;
2596 error = cdsetmode(periph, &params);
2597 free(params.mode_buf, M_TEMP);
2606 break;
2607 }
2608 page = cdgetpage(&params);
2609
2610 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
2611 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
2612 page->audio.port[2].channels = 0;
2613 page->audio.port[3].channels = 0;
2614 error = cdsetmode(periph, &params);
2615 free(params.mode_buf, M_TEMP);
2616 cam_periph_unlock(periph);
2598 }
2599 break;
2600 case CDIOCRESUME:
2617 }
2618 break;
2619 case CDIOCRESUME:
2620 cam_periph_lock(periph);
2601 error = cdpause(periph, 1);
2621 error = cdpause(periph, 1);
2622 cam_periph_unlock(periph);
2602 break;
2603 case CDIOCPAUSE:
2623 break;
2624 case CDIOCPAUSE:
2625 cam_periph_lock(periph);
2604 error = cdpause(periph, 0);
2626 error = cdpause(periph, 0);
2627 cam_periph_unlock(periph);
2605 break;
2606 case CDIOCSTART:
2628 break;
2629 case CDIOCSTART:
2630 cam_periph_lock(periph);
2607 error = cdstartunit(periph, 0);
2631 error = cdstartunit(periph, 0);
2632 cam_periph_unlock(periph);
2608 break;
2609 case CDIOCCLOSE:
2633 break;
2634 case CDIOCCLOSE:
2635 cam_periph_lock(periph);
2610 error = cdstartunit(periph, 1);
2636 error = cdstartunit(periph, 1);
2637 cam_periph_unlock(periph);
2611 break;
2612 case CDIOCSTOP:
2638 break;
2639 case CDIOCSTOP:
2640 cam_periph_lock(periph);
2613 error = cdstopunit(periph, 0);
2641 error = cdstopunit(periph, 0);
2642 cam_periph_unlock(periph);
2614 break;
2615 case CDIOCEJECT:
2643 break;
2644 case CDIOCEJECT:
2645 cam_periph_lock(periph);
2616 error = cdstopunit(periph, 1);
2646 error = cdstopunit(periph, 1);
2647 cam_periph_unlock(periph);
2617 break;
2618 case CDIOCALLOW:
2648 break;
2649 case CDIOCALLOW:
2650 cam_periph_lock(periph);
2619 cdprevent(periph, PR_ALLOW);
2651 cdprevent(periph, PR_ALLOW);
2652 cam_periph_unlock(periph);
2620 break;
2621 case CDIOCPREVENT:
2653 break;
2654 case CDIOCPREVENT:
2655 cam_periph_lock(periph);
2622 cdprevent(periph, PR_PREVENT);
2656 cdprevent(periph, PR_PREVENT);
2657 cam_periph_unlock(periph);
2623 break;
2624 case CDIOCSETDEBUG:
2625 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
2626 error = ENOTTY;
2627 break;
2628 case CDIOCCLRDEBUG:
2629 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
2630 error = ENOTTY;
2631 break;
2632 case CDIOCRESET:
2633 /* return (cd_reset(periph)); */
2634 error = ENOTTY;
2635 break;
2636 case CDRIOCREADSPEED:
2658 break;
2659 case CDIOCSETDEBUG:
2660 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
2661 error = ENOTTY;
2662 break;
2663 case CDIOCCLRDEBUG:
2664 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
2665 error = ENOTTY;
2666 break;
2667 case CDIOCRESET:
2668 /* return (cd_reset(periph)); */
2669 error = ENOTTY;
2670 break;
2671 case CDRIOCREADSPEED:
2672 cam_periph_lock(periph);
2637 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
2673 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
2674 cam_periph_unlock(periph);
2638 break;
2639 case CDRIOCWRITESPEED:
2675 break;
2676 case CDRIOCWRITESPEED:
2677 cam_periph_lock(periph);
2640 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
2678 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
2679 cam_periph_unlock(periph);
2641 break;
2642 case DVDIOCSENDKEY:
2643 case DVDIOCREPORTKEY: {
2644 struct dvd_authinfo *authinfo;
2645
2646 authinfo = (struct dvd_authinfo *)addr;
2647
2680 break;
2681 case DVDIOCSENDKEY:
2682 case DVDIOCREPORTKEY: {
2683 struct dvd_authinfo *authinfo;
2684
2685 authinfo = (struct dvd_authinfo *)addr;
2686
2687 cam_periph_lock(periph);
2648 if (cmd == DVDIOCREPORTKEY)
2649 error = cdreportkey(periph, authinfo);
2650 else
2651 error = cdsendkey(periph, authinfo);
2688 if (cmd == DVDIOCREPORTKEY)
2689 error = cdreportkey(periph, authinfo);
2690 else
2691 error = cdsendkey(periph, authinfo);
2692 cam_periph_unlock(periph);
2652 break;
2653 }
2654 case DVDIOCREADSTRUCTURE: {
2655 struct dvd_struct *dvdstruct;
2656
2657 dvdstruct = (struct dvd_struct *)addr;
2658
2693 break;
2694 }
2695 case DVDIOCREADSTRUCTURE: {
2696 struct dvd_struct *dvdstruct;
2697
2698 dvdstruct = (struct dvd_struct *)addr;
2699
2700 cam_periph_lock(periph);
2659 error = cdreaddvdstructure(periph, dvdstruct);
2701 error = cdreaddvdstructure(periph, dvdstruct);
2702 cam_periph_unlock(periph);
2660
2661 break;
2662 }
2663 default:
2703
2704 break;
2705 }
2706 default:
2707 cam_periph_lock(periph);
2664 error = cam_periph_ioctl(periph, cmd, addr, cderror);
2708 error = cam_periph_ioctl(periph, cmd, addr, cderror);
2709 cam_periph_unlock(periph);
2665 break;
2666 }
2667
2710 break;
2711 }
2712
2668 cam_periph_unlock(periph);
2669
2713 cam_periph_lock(periph);
2714 cam_periph_unhold(periph);
2715
2670 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
2671 if (error && bootverbose) {
2672 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error);
2673 }
2716 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
2717 if (error && bootverbose) {
2718 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error);
2719 }
2720 cam_periph_unlock(periph);
2674
2675 return (error);
2676}
2677
2678static void
2679cdprevent(struct cam_periph *periph, int action)
2680{
2681 union ccb *ccb;
2682 struct cd_softc *softc;
2683 int error;
2684
2685 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
2686
2687 softc = (struct cd_softc *)periph->softc;
2688
2689 if (((action == PR_ALLOW)
2690 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
2691 || ((action == PR_PREVENT)
2692 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
2693 return;
2694 }
2695
2696 ccb = cdgetccb(periph, /* priority */ 1);
2697
2698 scsi_prevent(&ccb->csio,
2699 /*retries*/ 1,
2700 cddone,
2701 MSG_SIMPLE_Q_TAG,
2702 action,
2703 SSD_FULL_SIZE,
2704 /* timeout */60000);
2705
2706 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2707 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2708
2709 xpt_release_ccb(ccb);
2710
2711 if (error == 0) {
2712 if (action == PR_ALLOW)
2713 softc->flags &= ~CD_FLAG_DISC_LOCKED;
2714 else
2715 softc->flags |= CD_FLAG_DISC_LOCKED;
2716 }
2717}
2718
2719/*
2720 * XXX: the disk media and sector size is only really able to change
2721 * XXX: while the device is closed.
2722 */
2723static int
2724cdcheckmedia(struct cam_periph *periph)
2725{
2726 struct cd_softc *softc;
2727 struct ioc_toc_header *toch;
2728 struct cd_toc_single leadout;
2729 u_int32_t size, toclen;
2730 int error, num_entries, cdindex;
2731
2732 softc = (struct cd_softc *)periph->softc;
2733
2734 cdprevent(periph, PR_PREVENT);
2735 softc->disk->d_maxsize = DFLTPHYS;
2736 softc->disk->d_sectorsize = 2048;
2737 softc->disk->d_mediasize = 0;
2738
2739 /*
2740 * Get the disc size and block size. If we can't get it, we don't
2741 * have media, most likely.
2742 */
2743 if ((error = cdsize(periph, &size)) != 0) {
2744 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
2745 cdprevent(periph, PR_ALLOW);
2746 return (error);
2747 } else
2748 softc->flags |= CD_FLAG_VALID_MEDIA;
2749
2750 /*
2751 * Now we check the table of contents. This (currently) is only
2752 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do
2753 * things like present a separate entry in /dev for each track,
2754 * like that acd(4) driver does.
2755 */
2756 bzero(&softc->toc, sizeof(softc->toc));
2757 toch = &softc->toc.header;
2758 /*
2759 * We will get errors here for media that doesn't have a table of
2760 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
2761 * command is presented for a DDCD/CD-R/RW media, where the first TOC
2762 * has not been recorded (no complete session) and the Format codes
2763 * 0000b, 0001b, or 0010b are specified, this command shall be rejected
2764 * with an INVALID FIELD IN CDB. Devices that are not capable of
2765 * reading an incomplete session on DDC/CD-R/RW media shall report
2766 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
2767 *
2768 * So this isn't fatal if we can't read the table of contents, it
2769 * just means that the user won't be able to issue the play tracks
2770 * ioctl, and likely lots of other stuff won't work either. They
2771 * need to burn the CD before we can do a whole lot with it. So
2772 * we don't print anything here if we get an error back.
2773 */
2774 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
2775 SF_NO_PRINT);
2776 /*
2777 * Errors in reading the table of contents aren't fatal, we just
2778 * won't have a valid table of contents cached.
2779 */
2780 if (error != 0) {
2781 error = 0;
2782 bzero(&softc->toc, sizeof(softc->toc));
2783 goto bailout;
2784 }
2785
2786 if (softc->quirks & CD_Q_BCD_TRACKS) {
2787 toch->starting_track = bcd2bin(toch->starting_track);
2788 toch->ending_track = bcd2bin(toch->ending_track);
2789 }
2790
2791 /* Number of TOC entries, plus leadout */
2792 num_entries = (toch->ending_track - toch->starting_track) + 2;
2793
2794 if (num_entries <= 0)
2795 goto bailout;
2796
2797 toclen = num_entries * sizeof(struct cd_toc_entry);
2798
2799 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
2800 (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
2801 SF_NO_PRINT);
2802 if (error != 0) {
2803 error = 0;
2804 bzero(&softc->toc, sizeof(softc->toc));
2805 goto bailout;
2806 }
2807
2808 if (softc->quirks & CD_Q_BCD_TRACKS) {
2809 toch->starting_track = bcd2bin(toch->starting_track);
2810 toch->ending_track = bcd2bin(toch->ending_track);
2811 }
2812 /*
2813 * XXX KDM is this necessary? Probably only if the drive doesn't
2814 * return leadout information with the table of contents.
2815 */
2816 cdindex = toch->starting_track + num_entries -1;
2817 if (cdindex == toch->ending_track + 1) {
2818
2819 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT,
2820 (u_int8_t *)&leadout, sizeof(leadout),
2821 SF_NO_PRINT);
2822 if (error != 0) {
2823 error = 0;
2824 goto bailout;
2825 }
2826 softc->toc.entries[cdindex - toch->starting_track] =
2827 leadout.entry;
2828 }
2829 if (softc->quirks & CD_Q_BCD_TRACKS) {
2830 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) {
2831 softc->toc.entries[cdindex].track =
2832 bcd2bin(softc->toc.entries[cdindex].track);
2833 }
2834 }
2835
2836 softc->flags |= CD_FLAG_VALID_TOC;
2837 softc->disk->d_maxsize = DFLTPHYS;
2838 softc->disk->d_sectorsize = softc->params.blksize;
2839 softc->disk->d_mediasize =
2840 (off_t)softc->params.blksize * softc->params.disksize;
2841
2842bailout:
2843
2844 /*
2845 * We unconditionally (re)set the blocksize each time the
2846 * CD device is opened. This is because the CD can change,
2847 * and therefore the blocksize might change.
2848 * XXX problems here if some slice or partition is still
2849 * open with the old size?
2850 */
2851 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0)
2852 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
2853 softc->disk->d_devstat->block_size = softc->params.blksize;
2854
2855 return (error);
2856}
2857
2858static int
2859cdsize(struct cam_periph *periph, u_int32_t *size)
2860{
2861 struct cd_softc *softc;
2862 union ccb *ccb;
2863 struct scsi_read_capacity_data *rcap_buf;
2864 int error;
2865
2866 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
2867
2868 softc = (struct cd_softc *)periph->softc;
2869
2870 ccb = cdgetccb(periph, /* priority */ 1);
2871
2721
2722 return (error);
2723}
2724
2725static void
2726cdprevent(struct cam_periph *periph, int action)
2727{
2728 union ccb *ccb;
2729 struct cd_softc *softc;
2730 int error;
2731
2732 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
2733
2734 softc = (struct cd_softc *)periph->softc;
2735
2736 if (((action == PR_ALLOW)
2737 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
2738 || ((action == PR_PREVENT)
2739 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
2740 return;
2741 }
2742
2743 ccb = cdgetccb(periph, /* priority */ 1);
2744
2745 scsi_prevent(&ccb->csio,
2746 /*retries*/ 1,
2747 cddone,
2748 MSG_SIMPLE_Q_TAG,
2749 action,
2750 SSD_FULL_SIZE,
2751 /* timeout */60000);
2752
2753 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2754 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2755
2756 xpt_release_ccb(ccb);
2757
2758 if (error == 0) {
2759 if (action == PR_ALLOW)
2760 softc->flags &= ~CD_FLAG_DISC_LOCKED;
2761 else
2762 softc->flags |= CD_FLAG_DISC_LOCKED;
2763 }
2764}
2765
2766/*
2767 * XXX: the disk media and sector size is only really able to change
2768 * XXX: while the device is closed.
2769 */
2770static int
2771cdcheckmedia(struct cam_periph *periph)
2772{
2773 struct cd_softc *softc;
2774 struct ioc_toc_header *toch;
2775 struct cd_toc_single leadout;
2776 u_int32_t size, toclen;
2777 int error, num_entries, cdindex;
2778
2779 softc = (struct cd_softc *)periph->softc;
2780
2781 cdprevent(periph, PR_PREVENT);
2782 softc->disk->d_maxsize = DFLTPHYS;
2783 softc->disk->d_sectorsize = 2048;
2784 softc->disk->d_mediasize = 0;
2785
2786 /*
2787 * Get the disc size and block size. If we can't get it, we don't
2788 * have media, most likely.
2789 */
2790 if ((error = cdsize(periph, &size)) != 0) {
2791 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
2792 cdprevent(periph, PR_ALLOW);
2793 return (error);
2794 } else
2795 softc->flags |= CD_FLAG_VALID_MEDIA;
2796
2797 /*
2798 * Now we check the table of contents. This (currently) is only
2799 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do
2800 * things like present a separate entry in /dev for each track,
2801 * like that acd(4) driver does.
2802 */
2803 bzero(&softc->toc, sizeof(softc->toc));
2804 toch = &softc->toc.header;
2805 /*
2806 * We will get errors here for media that doesn't have a table of
2807 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
2808 * command is presented for a DDCD/CD-R/RW media, where the first TOC
2809 * has not been recorded (no complete session) and the Format codes
2810 * 0000b, 0001b, or 0010b are specified, this command shall be rejected
2811 * with an INVALID FIELD IN CDB. Devices that are not capable of
2812 * reading an incomplete session on DDC/CD-R/RW media shall report
2813 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
2814 *
2815 * So this isn't fatal if we can't read the table of contents, it
2816 * just means that the user won't be able to issue the play tracks
2817 * ioctl, and likely lots of other stuff won't work either. They
2818 * need to burn the CD before we can do a whole lot with it. So
2819 * we don't print anything here if we get an error back.
2820 */
2821 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
2822 SF_NO_PRINT);
2823 /*
2824 * Errors in reading the table of contents aren't fatal, we just
2825 * won't have a valid table of contents cached.
2826 */
2827 if (error != 0) {
2828 error = 0;
2829 bzero(&softc->toc, sizeof(softc->toc));
2830 goto bailout;
2831 }
2832
2833 if (softc->quirks & CD_Q_BCD_TRACKS) {
2834 toch->starting_track = bcd2bin(toch->starting_track);
2835 toch->ending_track = bcd2bin(toch->ending_track);
2836 }
2837
2838 /* Number of TOC entries, plus leadout */
2839 num_entries = (toch->ending_track - toch->starting_track) + 2;
2840
2841 if (num_entries <= 0)
2842 goto bailout;
2843
2844 toclen = num_entries * sizeof(struct cd_toc_entry);
2845
2846 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
2847 (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
2848 SF_NO_PRINT);
2849 if (error != 0) {
2850 error = 0;
2851 bzero(&softc->toc, sizeof(softc->toc));
2852 goto bailout;
2853 }
2854
2855 if (softc->quirks & CD_Q_BCD_TRACKS) {
2856 toch->starting_track = bcd2bin(toch->starting_track);
2857 toch->ending_track = bcd2bin(toch->ending_track);
2858 }
2859 /*
2860 * XXX KDM is this necessary? Probably only if the drive doesn't
2861 * return leadout information with the table of contents.
2862 */
2863 cdindex = toch->starting_track + num_entries -1;
2864 if (cdindex == toch->ending_track + 1) {
2865
2866 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT,
2867 (u_int8_t *)&leadout, sizeof(leadout),
2868 SF_NO_PRINT);
2869 if (error != 0) {
2870 error = 0;
2871 goto bailout;
2872 }
2873 softc->toc.entries[cdindex - toch->starting_track] =
2874 leadout.entry;
2875 }
2876 if (softc->quirks & CD_Q_BCD_TRACKS) {
2877 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) {
2878 softc->toc.entries[cdindex].track =
2879 bcd2bin(softc->toc.entries[cdindex].track);
2880 }
2881 }
2882
2883 softc->flags |= CD_FLAG_VALID_TOC;
2884 softc->disk->d_maxsize = DFLTPHYS;
2885 softc->disk->d_sectorsize = softc->params.blksize;
2886 softc->disk->d_mediasize =
2887 (off_t)softc->params.blksize * softc->params.disksize;
2888
2889bailout:
2890
2891 /*
2892 * We unconditionally (re)set the blocksize each time the
2893 * CD device is opened. This is because the CD can change,
2894 * and therefore the blocksize might change.
2895 * XXX problems here if some slice or partition is still
2896 * open with the old size?
2897 */
2898 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0)
2899 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
2900 softc->disk->d_devstat->block_size = softc->params.blksize;
2901
2902 return (error);
2903}
2904
2905static int
2906cdsize(struct cam_periph *periph, u_int32_t *size)
2907{
2908 struct cd_softc *softc;
2909 union ccb *ccb;
2910 struct scsi_read_capacity_data *rcap_buf;
2911 int error;
2912
2913 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
2914
2915 softc = (struct cd_softc *)periph->softc;
2916
2917 ccb = cdgetccb(periph, /* priority */ 1);
2918
2919 /* XXX Should be M_WAITOK */
2872 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
2920 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
2873 M_TEMP, M_WAITOK);
2921 M_TEMP, M_NOWAIT);
2922 if (rcap_buf == NULL)
2923 return (ENOMEM);
2874
2875 scsi_read_capacity(&ccb->csio,
2876 /*retries*/ 1,
2877 cddone,
2878 MSG_SIMPLE_Q_TAG,
2879 rcap_buf,
2880 SSD_FULL_SIZE,
2881 /* timeout */20000);
2882
2883 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2884 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2885
2886 xpt_release_ccb(ccb);
2887
2888 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
2889 softc->params.blksize = scsi_4btoul(rcap_buf->length);
2890 /*
2891 * SCSI-3 mandates that the reported blocksize shall be 2048.
2892 * Older drives sometimes report funny values, trim it down to
2893 * 2048, or other parts of the kernel will get confused.
2894 *
2895 * XXX we leave drives alone that might report 512 bytes, as
2896 * well as drives reporting more weird sizes like perhaps 4K.
2897 */
2898 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
2899 softc->params.blksize = 2048;
2900
2901 free(rcap_buf, M_TEMP);
2902 *size = softc->params.disksize;
2903
2904 return (error);
2905
2906}
2907
2908static int
2909cd6byteworkaround(union ccb *ccb)
2910{
2911 u_int8_t *cdb;
2912 struct cam_periph *periph;
2913 struct cd_softc *softc;
2914 struct cd_mode_params *params;
2915 int frozen, found;
2916
2917 periph = xpt_path_periph(ccb->ccb_h.path);
2918 softc = (struct cd_softc *)periph->softc;
2919
2920 cdb = ccb->csio.cdb_io.cdb_bytes;
2921
2922 if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
2923 || ((cdb[0] != MODE_SENSE_6)
2924 && (cdb[0] != MODE_SELECT_6)))
2925 return (0);
2926
2927 /*
2928 * Because there is no convenient place to stash the overall
2929 * cd_mode_params structure pointer, we have to grab it like this.
2930 * This means that ALL MODE_SENSE and MODE_SELECT requests in the
2931 * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
2932 *
2933 * XXX It would be nice if, at some point, we could increase the
2934 * number of available peripheral private pointers. Both pointers
2935 * are currently used in most every peripheral driver.
2936 */
2937 found = 0;
2938
2939 STAILQ_FOREACH(params, &softc->mode_queue, links) {
2940 if (params->mode_buf == ccb->csio.data_ptr) {
2941 found = 1;
2942 break;
2943 }
2944 }
2945
2946 /*
2947 * This shouldn't happen. All mode sense and mode select
2948 * operations in the cd(4) driver MUST go through cdgetmode() and
2949 * cdsetmode()!
2950 */
2951 if (found == 0) {
2952 xpt_print(periph->path,
2953 "mode buffer not found in mode queue!\n");
2954 return (0);
2955 }
2956
2957 params->cdb_size = 10;
2958 softc->minimum_command_size = 10;
2959 xpt_print(ccb->ccb_h.path,
2960 "%s(6) failed, increasing minimum CDB size to 10 bytes\n",
2961 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
2962
2963 if (cdb[0] == MODE_SENSE_6) {
2964 struct scsi_mode_sense_10 ms10;
2965 struct scsi_mode_sense_6 *ms6;
2966 int len;
2967
2968 ms6 = (struct scsi_mode_sense_6 *)cdb;
2969
2970 bzero(&ms10, sizeof(ms10));
2971 ms10.opcode = MODE_SENSE_10;
2972 ms10.byte2 = ms6->byte2;
2973 ms10.page = ms6->page;
2974
2975 /*
2976 * 10 byte mode header, block descriptor,
2977 * sizeof(union cd_pages)
2978 */
2979 len = sizeof(struct cd_mode_data_10);
2980 ccb->csio.dxfer_len = len;
2981
2982 scsi_ulto2b(len, ms10.length);
2983 ms10.control = ms6->control;
2984 bcopy(&ms10, cdb, 10);
2985 ccb->csio.cdb_len = 10;
2986 } else {
2987 struct scsi_mode_select_10 ms10;
2988 struct scsi_mode_select_6 *ms6;
2989 struct scsi_mode_header_6 *header6;
2990 struct scsi_mode_header_10 *header10;
2991 struct scsi_mode_page_header *page_header;
2992 int blk_desc_len, page_num, page_size, len;
2993
2994 ms6 = (struct scsi_mode_select_6 *)cdb;
2995
2996 bzero(&ms10, sizeof(ms10));
2997 ms10.opcode = MODE_SELECT_10;
2998 ms10.byte2 = ms6->byte2;
2999
3000 header6 = (struct scsi_mode_header_6 *)params->mode_buf;
3001 header10 = (struct scsi_mode_header_10 *)params->mode_buf;
3002
3003 page_header = find_mode_page_6(header6);
3004 page_num = page_header->page_code;
3005
3006 blk_desc_len = header6->blk_desc_len;
3007
3008 page_size = cdgetpagesize(page_num);
3009
3010 if (page_size != (page_header->page_length +
3011 sizeof(*page_header)))
3012 page_size = page_header->page_length +
3013 sizeof(*page_header);
3014
3015 len = sizeof(*header10) + blk_desc_len + page_size;
3016
3017 len = min(params->alloc_len, len);
3018
3019 /*
3020 * Since the 6 byte parameter header is shorter than the 10
3021 * byte parameter header, we need to copy the actual mode
3022 * page data, and the block descriptor, if any, so things wind
3023 * up in the right place. The regions will overlap, but
3024 * bcopy() does the right thing.
3025 */
3026 bcopy(params->mode_buf + sizeof(*header6),
3027 params->mode_buf + sizeof(*header10),
3028 len - sizeof(*header10));
3029
3030 /* Make sure these fields are set correctly. */
3031 scsi_ulto2b(0, header10->data_length);
3032 header10->medium_type = 0;
3033 scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
3034
3035 ccb->csio.dxfer_len = len;
3036
3037 scsi_ulto2b(len, ms10.length);
3038 ms10.control = ms6->control;
3039 bcopy(&ms10, cdb, 10);
3040 ccb->csio.cdb_len = 10;
3041 }
3042
3043 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3044 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3045 xpt_action(ccb);
3046 if (frozen) {
3047 cam_release_devq(ccb->ccb_h.path,
3048 /*relsim_flags*/0,
3049 /*openings*/0,
3050 /*timeout*/0,
3051 /*getcount_only*/0);
3052 }
3053
3054 return (ERESTART);
3055}
3056
3057static int
3058cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3059{
3060 struct cd_softc *softc;
3061 struct cam_periph *periph;
3062 int error;
3063
3064 periph = xpt_path_periph(ccb->ccb_h.path);
3065 softc = (struct cd_softc *)periph->softc;
3066
3067 error = 0;
3068
3069 /*
3070 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
3071 * CDB comes back with this particular error, try transforming it
3072 * into the 10 byte version.
3073 */
3074 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3075 error = cd6byteworkaround(ccb);
3076 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
3077 CAM_SCSI_STATUS_ERROR)
3078 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
3079 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
3080 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
3081 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
3082 int sense_key, error_code, asc, ascq;
3083
3084 scsi_extract_sense(&ccb->csio.sense_data,
3085 &error_code, &sense_key, &asc, &ascq);
3086 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3087 error = cd6byteworkaround(ccb);
3088 }
3089
3090 if (error == ERESTART)
3091 return (error);
3092
3093 /*
3094 * XXX
3095 * Until we have a better way of doing pack validation,
3096 * don't treat UAs as errors.
3097 */
3098 sense_flags |= SF_RETRY_UA;
3099 return (cam_periph_error(ccb, cam_flags, sense_flags,
3100 &softc->saved_ccb));
3101}
3102
3103/*
3104 * Read table of contents
3105 */
3106static int
3107cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
3108 u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
3109{
3110 struct scsi_read_toc *scsi_cmd;
3111 u_int32_t ntoc;
3112 struct ccb_scsiio *csio;
3113 union ccb *ccb;
3114 int error;
3115
3116 ntoc = len;
3117 error = 0;
3118
3119 ccb = cdgetccb(periph, /* priority */ 1);
3120
3121 csio = &ccb->csio;
3122
3123 cam_fill_csio(csio,
3124 /* retries */ 1,
3125 /* cbfcnp */ cddone,
3126 /* flags */ CAM_DIR_IN,
3127 /* tag_action */ MSG_SIMPLE_Q_TAG,
3128 /* data_ptr */ data,
3129 /* dxfer_len */ len,
3130 /* sense_len */ SSD_FULL_SIZE,
3131 sizeof(struct scsi_read_toc),
3132 /* timeout */ 50000);
3133
3134 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
3135 bzero (scsi_cmd, sizeof(*scsi_cmd));
3136
3137 if (mode == CD_MSF_FORMAT)
3138 scsi_cmd->byte2 |= CD_MSF;
3139 scsi_cmd->from_track = start;
3140 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
3141 scsi_cmd->data_len[0] = (ntoc) >> 8;
3142 scsi_cmd->data_len[1] = (ntoc) & 0xff;
3143
3144 scsi_cmd->op_code = READ_TOC;
3145
3146 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3147 /*sense_flags*/SF_RETRY_UA | sense_flags);
3148
3149 xpt_release_ccb(ccb);
3150
3151 return(error);
3152}
3153
3154static int
3155cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
3156 u_int32_t format, int track,
3157 struct cd_sub_channel_info *data, u_int32_t len)
3158{
3159 struct scsi_read_subchannel *scsi_cmd;
3160 struct ccb_scsiio *csio;
3161 union ccb *ccb;
3162 int error;
3163
3164 error = 0;
3165
3166 ccb = cdgetccb(periph, /* priority */ 1);
3167
3168 csio = &ccb->csio;
3169
3170 cam_fill_csio(csio,
3171 /* retries */ 1,
3172 /* cbfcnp */ cddone,
3173 /* flags */ CAM_DIR_IN,
3174 /* tag_action */ MSG_SIMPLE_Q_TAG,
3175 /* data_ptr */ (u_int8_t *)data,
3176 /* dxfer_len */ len,
3177 /* sense_len */ SSD_FULL_SIZE,
3178 sizeof(struct scsi_read_subchannel),
3179 /* timeout */ 50000);
3180
3181 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
3182 bzero (scsi_cmd, sizeof(*scsi_cmd));
3183
3184 scsi_cmd->op_code = READ_SUBCHANNEL;
3185 if (mode == CD_MSF_FORMAT)
3186 scsi_cmd->byte1 |= CD_MSF;
3187 scsi_cmd->byte2 = SRS_SUBQ;
3188 scsi_cmd->subchan_format = format;
3189 scsi_cmd->track = track;
3190 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
3191 scsi_cmd->control = 0;
3192
3193 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3194 /*sense_flags*/SF_RETRY_UA);
3195
3196 xpt_release_ccb(ccb);
3197
3198 return(error);
3199}
3200
3201
3202/*
3203 * All MODE_SENSE requests in the cd(4) driver MUST go through this
3204 * routine. See comments in cd6byteworkaround() for details.
3205 */
3206static int
3207cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
3208 u_int32_t page)
3209{
3210 struct ccb_scsiio *csio;
3211 struct cd_softc *softc;
3212 union ccb *ccb;
3213 int param_len;
3214 int error;
3215
3216 softc = (struct cd_softc *)periph->softc;
3217
3218 ccb = cdgetccb(periph, /* priority */ 1);
3219
3220 csio = &ccb->csio;
3221
3222 data->cdb_size = softc->minimum_command_size;
3223 if (data->cdb_size < 10)
3224 param_len = sizeof(struct cd_mode_data);
3225 else
3226 param_len = sizeof(struct cd_mode_data_10);
3227
3228 /* Don't say we've got more room than we actually allocated */
3229 param_len = min(param_len, data->alloc_len);
3230
3231 scsi_mode_sense_len(csio,
3232 /* retries */ 1,
3233 /* cbfcnp */ cddone,
3234 /* tag_action */ MSG_SIMPLE_Q_TAG,
3235 /* dbd */ 0,
3236 /* page_code */ SMS_PAGE_CTRL_CURRENT,
3237 /* page */ page,
3238 /* param_buf */ data->mode_buf,
3239 /* param_len */ param_len,
3240 /* minimum_cmd_size */ softc->minimum_command_size,
3241 /* sense_len */ SSD_FULL_SIZE,
3242 /* timeout */ 50000);
3243
3244 /*
3245 * It would be nice not to have to do this, but there's no
3246 * available pointer in the CCB that would allow us to stuff the
3247 * mode params structure in there and retrieve it in
3248 * cd6byteworkaround(), so we can set the cdb size. The cdb size
3249 * lets the caller know what CDB size we ended up using, so they
3250 * can find the actual mode page offset.
3251 */
3252 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
3253
3254 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3255 /*sense_flags*/SF_RETRY_UA);
3256
3257 xpt_release_ccb(ccb);
3258
3259 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3260
3261 /*
3262 * This is a bit of belt-and-suspenders checking, but if we run
3263 * into a situation where the target sends back multiple block
3264 * descriptors, we might not have enough space in the buffer to
3265 * see the whole mode page. Better to return an error than
3266 * potentially access memory beyond our malloced region.
3267 */
3268 if (error == 0) {
3269 u_int32_t data_len;
3270
3271 if (data->cdb_size == 10) {
3272 struct scsi_mode_header_10 *hdr10;
3273
3274 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
3275 data_len = scsi_2btoul(hdr10->data_length);
3276 data_len += sizeof(hdr10->data_length);
3277 } else {
3278 struct scsi_mode_header_6 *hdr6;
3279
3280 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
3281 data_len = hdr6->data_length;
3282 data_len += sizeof(hdr6->data_length);
3283 }
3284
3285 /*
3286 * Complain if there is more mode data available than we
3287 * allocated space for. This could potentially happen if
3288 * we miscalculated the page length for some reason, if the
3289 * drive returns multiple block descriptors, or if it sets
3290 * the data length incorrectly.
3291 */
3292 if (data_len > data->alloc_len) {
3293 xpt_print(periph->path, "allocated modepage %d length "
3294 "%d < returned length %d\n", page, data->alloc_len,
3295 data_len);
3296 error = ENOSPC;
3297 }
3298 }
3299 return (error);
3300}
3301
3302/*
3303 * All MODE_SELECT requests in the cd(4) driver MUST go through this
3304 * routine. See comments in cd6byteworkaround() for details.
3305 */
3306static int
3307cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
3308{
3309 struct ccb_scsiio *csio;
3310 struct cd_softc *softc;
3311 union ccb *ccb;
3312 int cdb_size, param_len;
3313 int error;
3314
3315 softc = (struct cd_softc *)periph->softc;
3316
3317 ccb = cdgetccb(periph, /* priority */ 1);
3318
3319 csio = &ccb->csio;
3320
3321 error = 0;
3322
3323 /*
3324 * If the data is formatted for the 10 byte version of the mode
3325 * select parameter list, we need to use the 10 byte CDB.
3326 * Otherwise, we use whatever the stored minimum command size.
3327 */
3328 if (data->cdb_size == 10)
3329 cdb_size = data->cdb_size;
3330 else
3331 cdb_size = softc->minimum_command_size;
3332
3333 if (cdb_size >= 10) {
3334 struct scsi_mode_header_10 *mode_header;
3335 u_int32_t data_len;
3336
3337 mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
3338
3339 data_len = scsi_2btoul(mode_header->data_length);
3340
3341 scsi_ulto2b(0, mode_header->data_length);
3342 /*
3343 * SONY drives do not allow a mode select with a medium_type
3344 * value that has just been returned by a mode sense; use a
3345 * medium_type of 0 (Default) instead.
3346 */
3347 mode_header->medium_type = 0;
3348
3349 /*
3350 * Pass back whatever the drive passed to us, plus the size
3351 * of the data length field.
3352 */
3353 param_len = data_len + sizeof(mode_header->data_length);
3354
3355 } else {
3356 struct scsi_mode_header_6 *mode_header;
3357
3358 mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
3359
3360 param_len = mode_header->data_length + 1;
3361
3362 mode_header->data_length = 0;
3363 /*
3364 * SONY drives do not allow a mode select with a medium_type
3365 * value that has just been returned by a mode sense; use a
3366 * medium_type of 0 (Default) instead.
3367 */
3368 mode_header->medium_type = 0;
3369 }
3370
3371 /* Don't say we've got more room than we actually allocated */
3372 param_len = min(param_len, data->alloc_len);
3373
3374 scsi_mode_select_len(csio,
3375 /* retries */ 1,
3376 /* cbfcnp */ cddone,
3377 /* tag_action */ MSG_SIMPLE_Q_TAG,
3378 /* scsi_page_fmt */ 1,
3379 /* save_pages */ 0,
3380 /* param_buf */ data->mode_buf,
3381 /* param_len */ param_len,
3382 /* minimum_cmd_size */ cdb_size,
3383 /* sense_len */ SSD_FULL_SIZE,
3384 /* timeout */ 50000);
3385
3386 /* See comments in cdgetmode() and cd6byteworkaround(). */
3387 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
3388
3389 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3390 /*sense_flags*/SF_RETRY_UA);
3391
3392 xpt_release_ccb(ccb);
3393
3394 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3395
3396 return (error);
3397}
3398
3399
3400static int
3401cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
3402{
3403 struct ccb_scsiio *csio;
3404 union ccb *ccb;
3405 int error;
3406 u_int8_t cdb_len;
3407
3408 error = 0;
3409 ccb = cdgetccb(periph, /* priority */ 1);
3410 csio = &ccb->csio;
3411 /*
3412 * Use the smallest possible command to perform the operation.
3413 */
3414 if ((len & 0xffff0000) == 0) {
3415 /*
3416 * We can fit in a 10 byte cdb.
3417 */
3418 struct scsi_play_10 *scsi_cmd;
3419
3420 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
3421 bzero (scsi_cmd, sizeof(*scsi_cmd));
3422 scsi_cmd->op_code = PLAY_10;
3423 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3424 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
3425 cdb_len = sizeof(*scsi_cmd);
3426 } else {
3427 struct scsi_play_12 *scsi_cmd;
3428
3429 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
3430 bzero (scsi_cmd, sizeof(*scsi_cmd));
3431 scsi_cmd->op_code = PLAY_12;
3432 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3433 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
3434 cdb_len = sizeof(*scsi_cmd);
3435 }
3436 cam_fill_csio(csio,
3437 /*retries*/2,
3438 cddone,
3439 /*flags*/CAM_DIR_NONE,
3440 MSG_SIMPLE_Q_TAG,
3441 /*dataptr*/NULL,
3442 /*datalen*/0,
3443 /*sense_len*/SSD_FULL_SIZE,
3444 cdb_len,
3445 /*timeout*/50 * 1000);
3446
3447 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3448 /*sense_flags*/SF_RETRY_UA);
3449
3450 xpt_release_ccb(ccb);
3451
3452 return(error);
3453}
3454
3455static int
3456cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
3457 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
3458{
3459 struct scsi_play_msf *scsi_cmd;
3460 struct ccb_scsiio *csio;
3461 union ccb *ccb;
3462 int error;
3463
3464 error = 0;
3465
3466 ccb = cdgetccb(periph, /* priority */ 1);
3467
3468 csio = &ccb->csio;
3469
3470 cam_fill_csio(csio,
3471 /* retries */ 1,
3472 /* cbfcnp */ cddone,
3473 /* flags */ CAM_DIR_NONE,
3474 /* tag_action */ MSG_SIMPLE_Q_TAG,
3475 /* data_ptr */ NULL,
3476 /* dxfer_len */ 0,
3477 /* sense_len */ SSD_FULL_SIZE,
3478 sizeof(struct scsi_play_msf),
3479 /* timeout */ 50000);
3480
3481 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
3482 bzero (scsi_cmd, sizeof(*scsi_cmd));
3483
3484 scsi_cmd->op_code = PLAY_MSF;
3485 scsi_cmd->start_m = startm;
3486 scsi_cmd->start_s = starts;
3487 scsi_cmd->start_f = startf;
3488 scsi_cmd->end_m = endm;
3489 scsi_cmd->end_s = ends;
3490 scsi_cmd->end_f = endf;
3491
3492 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3493 /*sense_flags*/SF_RETRY_UA);
3494
3495 xpt_release_ccb(ccb);
3496
3497 return(error);
3498}
3499
3500
3501static int
3502cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
3503 u_int32_t etrack, u_int32_t eindex)
3504{
3505 struct scsi_play_track *scsi_cmd;
3506 struct ccb_scsiio *csio;
3507 union ccb *ccb;
3508 int error;
3509
3510 error = 0;
3511
3512 ccb = cdgetccb(periph, /* priority */ 1);
3513
3514 csio = &ccb->csio;
3515
3516 cam_fill_csio(csio,
3517 /* retries */ 1,
3518 /* cbfcnp */ cddone,
3519 /* flags */ CAM_DIR_NONE,
3520 /* tag_action */ MSG_SIMPLE_Q_TAG,
3521 /* data_ptr */ NULL,
3522 /* dxfer_len */ 0,
3523 /* sense_len */ SSD_FULL_SIZE,
3524 sizeof(struct scsi_play_track),
3525 /* timeout */ 50000);
3526
3527 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
3528 bzero (scsi_cmd, sizeof(*scsi_cmd));
3529
3530 scsi_cmd->op_code = PLAY_TRACK;
3531 scsi_cmd->start_track = strack;
3532 scsi_cmd->start_index = sindex;
3533 scsi_cmd->end_track = etrack;
3534 scsi_cmd->end_index = eindex;
3535
3536 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3537 /*sense_flags*/SF_RETRY_UA);
3538
3539 xpt_release_ccb(ccb);
3540
3541 return(error);
3542}
3543
3544static int
3545cdpause(struct cam_periph *periph, u_int32_t go)
3546{
3547 struct scsi_pause *scsi_cmd;
3548 struct ccb_scsiio *csio;
3549 union ccb *ccb;
3550 int error;
3551
3552 error = 0;
3553
3554 ccb = cdgetccb(periph, /* priority */ 1);
3555
3556 csio = &ccb->csio;
3557
3558 cam_fill_csio(csio,
3559 /* retries */ 1,
3560 /* cbfcnp */ cddone,
3561 /* flags */ CAM_DIR_NONE,
3562 /* tag_action */ MSG_SIMPLE_Q_TAG,
3563 /* data_ptr */ NULL,
3564 /* dxfer_len */ 0,
3565 /* sense_len */ SSD_FULL_SIZE,
3566 sizeof(struct scsi_pause),
3567 /* timeout */ 50000);
3568
3569 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
3570 bzero (scsi_cmd, sizeof(*scsi_cmd));
3571
3572 scsi_cmd->op_code = PAUSE;
3573 scsi_cmd->resume = go;
3574
3575 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3576 /*sense_flags*/SF_RETRY_UA);
3577
3578 xpt_release_ccb(ccb);
3579
3580 return(error);
3581}
3582
3583static int
3584cdstartunit(struct cam_periph *periph, int load)
3585{
3586 union ccb *ccb;
3587 int error;
3588
3589 error = 0;
3590
3591 ccb = cdgetccb(periph, /* priority */ 1);
3592
3593 scsi_start_stop(&ccb->csio,
3594 /* retries */ 1,
3595 /* cbfcnp */ cddone,
3596 /* tag_action */ MSG_SIMPLE_Q_TAG,
3597 /* start */ TRUE,
3598 /* load_eject */ load,
3599 /* immediate */ FALSE,
3600 /* sense_len */ SSD_FULL_SIZE,
3601 /* timeout */ 50000);
3602
3603 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3604 /*sense_flags*/SF_RETRY_UA);
3605
3606 xpt_release_ccb(ccb);
3607
3608 return(error);
3609}
3610
3611static int
3612cdstopunit(struct cam_periph *periph, u_int32_t eject)
3613{
3614 union ccb *ccb;
3615 int error;
3616
3617 error = 0;
3618
3619 ccb = cdgetccb(periph, /* priority */ 1);
3620
3621 scsi_start_stop(&ccb->csio,
3622 /* retries */ 1,
3623 /* cbfcnp */ cddone,
3624 /* tag_action */ MSG_SIMPLE_Q_TAG,
3625 /* start */ FALSE,
3626 /* load_eject */ eject,
3627 /* immediate */ FALSE,
3628 /* sense_len */ SSD_FULL_SIZE,
3629 /* timeout */ 50000);
3630
3631 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3632 /*sense_flags*/SF_RETRY_UA);
3633
3634 xpt_release_ccb(ccb);
3635
3636 return(error);
3637}
3638
3639static int
3640cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed)
3641{
3642 struct scsi_set_speed *scsi_cmd;
3643 struct ccb_scsiio *csio;
3644 union ccb *ccb;
3645 int error;
3646
3647 error = 0;
3648 ccb = cdgetccb(periph, /* priority */ 1);
3649 csio = &ccb->csio;
3650
3651 /* Preserve old behavior: units in multiples of CDROM speed */
3652 if (rdspeed < 177)
3653 rdspeed *= 177;
3654 if (wrspeed < 177)
3655 wrspeed *= 177;
3656
3657 cam_fill_csio(csio,
3658 /* retries */ 1,
3659 /* cbfcnp */ cddone,
3660 /* flags */ CAM_DIR_NONE,
3661 /* tag_action */ MSG_SIMPLE_Q_TAG,
3662 /* data_ptr */ NULL,
3663 /* dxfer_len */ 0,
3664 /* sense_len */ SSD_FULL_SIZE,
3665 sizeof(struct scsi_set_speed),
3666 /* timeout */ 50000);
3667
3668 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes;
3669 bzero(scsi_cmd, sizeof(*scsi_cmd));
3670
3671 scsi_cmd->opcode = SET_CD_SPEED;
3672 scsi_ulto2b(rdspeed, scsi_cmd->readspeed);
3673 scsi_ulto2b(wrspeed, scsi_cmd->writespeed);
3674
3675 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3676 /*sense_flags*/SF_RETRY_UA);
3677
3678 xpt_release_ccb(ccb);
3679
3680 return(error);
3681}
3682
3683static int
3684cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3685{
3686 union ccb *ccb;
3687 u_int8_t *databuf;
3688 u_int32_t lba;
3689 int error;
3690 int length;
3691
3692 error = 0;
3693 databuf = NULL;
3694 lba = 0;
3695
3696 ccb = cdgetccb(periph, /* priority */ 1);
3697
3698 switch (authinfo->format) {
3699 case DVD_REPORT_AGID:
3700 length = sizeof(struct scsi_report_key_data_agid);
3701 break;
3702 case DVD_REPORT_CHALLENGE:
3703 length = sizeof(struct scsi_report_key_data_challenge);
3704 break;
3705 case DVD_REPORT_KEY1:
3706 length = sizeof(struct scsi_report_key_data_key1_key2);
3707 break;
3708 case DVD_REPORT_TITLE_KEY:
3709 length = sizeof(struct scsi_report_key_data_title);
3710 /* The lba field is only set for the title key */
3711 lba = authinfo->lba;
3712 break;
3713 case DVD_REPORT_ASF:
3714 length = sizeof(struct scsi_report_key_data_asf);
3715 break;
3716 case DVD_REPORT_RPC:
3717 length = sizeof(struct scsi_report_key_data_rpc);
3718 break;
3719 case DVD_INVALIDATE_AGID:
3720 length = 0;
3721 break;
3722 default:
3723 error = EINVAL;
3724 goto bailout;
3725 break; /* NOTREACHED */
3726 }
3727
3728 if (length != 0) {
3729 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3730 } else
3731 databuf = NULL;
3732
3733
3734 scsi_report_key(&ccb->csio,
3735 /* retries */ 1,
3736 /* cbfcnp */ cddone,
3737 /* tag_action */ MSG_SIMPLE_Q_TAG,
3738 /* lba */ lba,
3739 /* agid */ authinfo->agid,
3740 /* key_format */ authinfo->format,
3741 /* data_ptr */ databuf,
3742 /* dxfer_len */ length,
3743 /* sense_len */ SSD_FULL_SIZE,
3744 /* timeout */ 50000);
3745
3746 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3747 /*sense_flags*/SF_RETRY_UA);
3748
3749 if (error != 0)
3750 goto bailout;
3751
3752 if (ccb->csio.resid != 0) {
3753 xpt_print(periph->path, "warning, residual for report key "
3754 "command is %d\n", ccb->csio.resid);
3755 }
3756
3757 switch(authinfo->format) {
3758 case DVD_REPORT_AGID: {
3759 struct scsi_report_key_data_agid *agid_data;
3760
3761 agid_data = (struct scsi_report_key_data_agid *)databuf;
3762
3763 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
3764 RKD_AGID_SHIFT;
3765 break;
3766 }
3767 case DVD_REPORT_CHALLENGE: {
3768 struct scsi_report_key_data_challenge *chal_data;
3769
3770 chal_data = (struct scsi_report_key_data_challenge *)databuf;
3771
3772 bcopy(chal_data->challenge_key, authinfo->keychal,
3773 min(sizeof(chal_data->challenge_key),
3774 sizeof(authinfo->keychal)));
3775 break;
3776 }
3777 case DVD_REPORT_KEY1: {
3778 struct scsi_report_key_data_key1_key2 *key1_data;
3779
3780 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
3781
3782 bcopy(key1_data->key1, authinfo->keychal,
3783 min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
3784 break;
3785 }
3786 case DVD_REPORT_TITLE_KEY: {
3787 struct scsi_report_key_data_title *title_data;
3788
3789 title_data = (struct scsi_report_key_data_title *)databuf;
3790
3791 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
3792 RKD_TITLE_CPM_SHIFT;
3793 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
3794 RKD_TITLE_CP_SEC_SHIFT;
3795 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
3796 RKD_TITLE_CMGS_SHIFT;
3797 bcopy(title_data->title_key, authinfo->keychal,
3798 min(sizeof(title_data->title_key),
3799 sizeof(authinfo->keychal)));
3800 break;
3801 }
3802 case DVD_REPORT_ASF: {
3803 struct scsi_report_key_data_asf *asf_data;
3804
3805 asf_data = (struct scsi_report_key_data_asf *)databuf;
3806
3807 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
3808 break;
3809 }
3810 case DVD_REPORT_RPC: {
3811 struct scsi_report_key_data_rpc *rpc_data;
3812
3813 rpc_data = (struct scsi_report_key_data_rpc *)databuf;
3814
3815 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
3816 RKD_RPC_TYPE_SHIFT;
3817 authinfo->vend_rsts =
3818 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
3819 RKD_RPC_VENDOR_RESET_SHIFT;
3820 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
3821 authinfo->region = rpc_data->region_mask;
3822 authinfo->rpc_scheme = rpc_data->rpc_scheme1;
3823 break;
3824 }
3825 case DVD_INVALIDATE_AGID:
3826 break;
3827 default:
3828 /* This should be impossible, since we checked above */
3829 error = EINVAL;
3830 goto bailout;
3831 break; /* NOTREACHED */
3832 }
3833bailout:
3834 if (databuf != NULL)
3835 free(databuf, M_DEVBUF);
3836
3837 xpt_release_ccb(ccb);
3838
3839 return(error);
3840}
3841
3842static int
3843cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3844{
3845 union ccb *ccb;
3846 u_int8_t *databuf;
3847 int length;
3848 int error;
3849
3850 error = 0;
3851 databuf = NULL;
3852
3853 ccb = cdgetccb(periph, /* priority */ 1);
3854
3855 switch(authinfo->format) {
3856 case DVD_SEND_CHALLENGE: {
3857 struct scsi_report_key_data_challenge *challenge_data;
3858
3859 length = sizeof(*challenge_data);
3860
3861 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3862
3863 databuf = (u_int8_t *)challenge_data;
3864
3865 scsi_ulto2b(length - sizeof(challenge_data->data_len),
3866 challenge_data->data_len);
3867
3868 bcopy(authinfo->keychal, challenge_data->challenge_key,
3869 min(sizeof(authinfo->keychal),
3870 sizeof(challenge_data->challenge_key)));
3871 break;
3872 }
3873 case DVD_SEND_KEY2: {
3874 struct scsi_report_key_data_key1_key2 *key2_data;
3875
3876 length = sizeof(*key2_data);
3877
3878 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3879
3880 databuf = (u_int8_t *)key2_data;
3881
3882 scsi_ulto2b(length - sizeof(key2_data->data_len),
3883 key2_data->data_len);
3884
3885 bcopy(authinfo->keychal, key2_data->key1,
3886 min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
3887
3888 break;
3889 }
3890 case DVD_SEND_RPC: {
3891 struct scsi_send_key_data_rpc *rpc_data;
3892
3893 length = sizeof(*rpc_data);
3894
3895 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3896
3897 databuf = (u_int8_t *)rpc_data;
3898
3899 scsi_ulto2b(length - sizeof(rpc_data->data_len),
3900 rpc_data->data_len);
3901
3902 rpc_data->region_code = authinfo->region;
3903 break;
3904 }
3905 default:
3906 error = EINVAL;
3907 goto bailout;
3908 break; /* NOTREACHED */
3909 }
3910
3911 scsi_send_key(&ccb->csio,
3912 /* retries */ 1,
3913 /* cbfcnp */ cddone,
3914 /* tag_action */ MSG_SIMPLE_Q_TAG,
3915 /* agid */ authinfo->agid,
3916 /* key_format */ authinfo->format,
3917 /* data_ptr */ databuf,
3918 /* dxfer_len */ length,
3919 /* sense_len */ SSD_FULL_SIZE,
3920 /* timeout */ 50000);
3921
3922 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3923 /*sense_flags*/SF_RETRY_UA);
3924
3925bailout:
3926
3927 if (databuf != NULL)
3928 free(databuf, M_DEVBUF);
3929
3930 xpt_release_ccb(ccb);
3931
3932 return(error);
3933}
3934
3935static int
3936cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
3937{
3938 union ccb *ccb;
3939 u_int8_t *databuf;
3940 u_int32_t address;
3941 int error;
3942 int length;
3943
3944 error = 0;
3945 databuf = NULL;
3946 /* The address is reserved for many of the formats */
3947 address = 0;
3948
3949 ccb = cdgetccb(periph, /* priority */ 1);
3950
3951 switch(dvdstruct->format) {
3952 case DVD_STRUCT_PHYSICAL:
3953 length = sizeof(struct scsi_read_dvd_struct_data_physical);
3954 break;
3955 case DVD_STRUCT_COPYRIGHT:
3956 length = sizeof(struct scsi_read_dvd_struct_data_copyright);
3957 break;
3958 case DVD_STRUCT_DISCKEY:
3959 length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
3960 break;
3961 case DVD_STRUCT_BCA:
3962 length = sizeof(struct scsi_read_dvd_struct_data_bca);
3963 break;
3964 case DVD_STRUCT_MANUFACT:
3965 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
3966 break;
3967 case DVD_STRUCT_CMI:
3968 error = ENODEV;
3969 goto bailout;
3970#ifdef notyet
3971 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage);
3972 address = dvdstruct->address;
3973#endif
3974 break; /* NOTREACHED */
3975 case DVD_STRUCT_PROTDISCID:
3976 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
3977 break;
3978 case DVD_STRUCT_DISCKEYBLOCK:
3979 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
3980 break;
3981 case DVD_STRUCT_DDS:
3982 length = sizeof(struct scsi_read_dvd_struct_data_dds);
3983 break;
3984 case DVD_STRUCT_MEDIUM_STAT:
3985 length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
3986 break;
3987 case DVD_STRUCT_SPARE_AREA:
3988 length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
3989 break;
3990 case DVD_STRUCT_RMD_LAST:
3991 error = ENODEV;
3992 goto bailout;
3993#ifdef notyet
3994 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout);
3995 address = dvdstruct->address;
3996#endif
3997 break; /* NOTREACHED */
3998 case DVD_STRUCT_RMD_RMA:
3999 error = ENODEV;
4000 goto bailout;
4001#ifdef notyet
4002 length = sizeof(struct scsi_read_dvd_struct_data_rmd);
4003 address = dvdstruct->address;
4004#endif
4005 break; /* NOTREACHED */
4006 case DVD_STRUCT_PRERECORDED:
4007 length = sizeof(struct scsi_read_dvd_struct_data_leadin);
4008 break;
4009 case DVD_STRUCT_UNIQUEID:
4010 length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
4011 break;
4012 case DVD_STRUCT_DCB:
4013 error = ENODEV;
4014 goto bailout;
4015#ifdef notyet
4016 length = sizeof(struct scsi_read_dvd_struct_data_dcb);
4017 address = dvdstruct->address;
4018#endif
4019 break; /* NOTREACHED */
4020 case DVD_STRUCT_LIST:
4021 /*
4022 * This is the maximum allocation length for the READ DVD
4023 * STRUCTURE command. There's nothing in the MMC3 spec
4024 * that indicates a limit in the amount of data that can
4025 * be returned from this call, other than the limits
4026 * imposed by the 2-byte length variables.
4027 */
4028 length = 65535;
4029 break;
4030 default:
4031 error = EINVAL;
4032 goto bailout;
4033 break; /* NOTREACHED */
4034 }
4035
4036 if (length != 0) {
4037 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
4038 } else
4039 databuf = NULL;
4040
4041 scsi_read_dvd_structure(&ccb->csio,
4042 /* retries */ 1,
4043 /* cbfcnp */ cddone,
4044 /* tag_action */ MSG_SIMPLE_Q_TAG,
4045 /* lba */ address,
4046 /* layer_number */ dvdstruct->layer_num,
4047 /* key_format */ dvdstruct->format,
4048 /* agid */ dvdstruct->agid,
4049 /* data_ptr */ databuf,
4050 /* dxfer_len */ length,
4051 /* sense_len */ SSD_FULL_SIZE,
4052 /* timeout */ 50000);
4053
4054 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
4055 /*sense_flags*/SF_RETRY_UA);
4056
4057 if (error != 0)
4058 goto bailout;
4059
4060 switch(dvdstruct->format) {
4061 case DVD_STRUCT_PHYSICAL: {
4062 struct scsi_read_dvd_struct_data_layer_desc *inlayer;
4063 struct dvd_layer *outlayer;
4064 struct scsi_read_dvd_struct_data_physical *phys_data;
4065
4066 phys_data =
4067 (struct scsi_read_dvd_struct_data_physical *)databuf;
4068 inlayer = &phys_data->layer_desc;
4069 outlayer = (struct dvd_layer *)&dvdstruct->data;
4070
4071 dvdstruct->length = sizeof(*inlayer);
4072
4073 outlayer->book_type = (inlayer->book_type_version &
4074 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
4075 outlayer->book_version = (inlayer->book_type_version &
4076 RDSD_BOOK_VERSION_MASK);
4077 outlayer->disc_size = (inlayer->disc_size_max_rate &
4078 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
4079 outlayer->max_rate = (inlayer->disc_size_max_rate &
4080 RDSD_MAX_RATE_MASK);
4081 outlayer->nlayers = (inlayer->layer_info &
4082 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
4083 outlayer->track_path = (inlayer->layer_info &
4084 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
4085 outlayer->layer_type = (inlayer->layer_info &
4086 RDSD_LAYER_TYPE_MASK);
4087 outlayer->linear_density = (inlayer->density &
4088 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
4089 outlayer->track_density = (inlayer->density &
4090 RDSD_TRACK_DENSITY_MASK);
4091 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
4092 RDSD_BCA_SHIFT;
4093 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
4094 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
4095 outlayer->end_sector_l0 =
4096 scsi_3btoul(inlayer->end_sector_layer0);
4097 break;
4098 }
4099 case DVD_STRUCT_COPYRIGHT: {
4100 struct scsi_read_dvd_struct_data_copyright *copy_data;
4101
4102 copy_data = (struct scsi_read_dvd_struct_data_copyright *)
4103 databuf;
4104
4105 dvdstruct->cpst = copy_data->cps_type;
4106 dvdstruct->rmi = copy_data->region_info;
4107 dvdstruct->length = 0;
4108
4109 break;
4110 }
4111 default:
4112 /*
4113 * Tell the user what the overall length is, no matter
4114 * what we can actually fit in the data buffer.
4115 */
4116 dvdstruct->length = length - ccb->csio.resid -
4117 sizeof(struct scsi_read_dvd_struct_data_header);
4118
4119 /*
4120 * But only actually copy out the smaller of what we read
4121 * in or what the structure can take.
4122 */
4123 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
4124 dvdstruct->data,
4125 min(sizeof(dvdstruct->data), dvdstruct->length));
4126 break;
4127 }
4128bailout:
4129
4130 if (databuf != NULL)
4131 free(databuf, M_DEVBUF);
4132
4133 xpt_release_ccb(ccb);
4134
4135 return(error);
4136}
4137
4138void
4139scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
4140 void (*cbfcnp)(struct cam_periph *, union ccb *),
4141 u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
4142 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
4143 u_int8_t sense_len, u_int32_t timeout)
4144{
4145 struct scsi_report_key *scsi_cmd;
4146
4147 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
4148 bzero(scsi_cmd, sizeof(*scsi_cmd));
4149 scsi_cmd->opcode = REPORT_KEY;
4150 scsi_ulto4b(lba, scsi_cmd->lba);
4151 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
4152 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
4153 (key_format & RK_KF_KEYFORMAT_MASK);
4154
4155 cam_fill_csio(csio,
4156 retries,
4157 cbfcnp,
4158 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
4159 tag_action,
4160 /*data_ptr*/ data_ptr,
4161 /*dxfer_len*/ dxfer_len,
4162 sense_len,
4163 sizeof(*scsi_cmd),
4164 timeout);
4165}
4166
4167void
4168scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
4169 void (*cbfcnp)(struct cam_periph *, union ccb *),
4170 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
4171 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
4172 u_int32_t timeout)
4173{
4174 struct scsi_send_key *scsi_cmd;
4175
4176 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
4177 bzero(scsi_cmd, sizeof(*scsi_cmd));
4178 scsi_cmd->opcode = SEND_KEY;
4179
4180 scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
4181 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
4182 (key_format & RK_KF_KEYFORMAT_MASK);
4183
4184 cam_fill_csio(csio,
4185 retries,
4186 cbfcnp,
4187 /*flags*/ CAM_DIR_OUT,
4188 tag_action,
4189 /*data_ptr*/ data_ptr,
4190 /*dxfer_len*/ dxfer_len,
4191 sense_len,
4192 sizeof(*scsi_cmd),
4193 timeout);
4194}
4195
4196
4197void
4198scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
4199 void (*cbfcnp)(struct cam_periph *, union ccb *),
4200 u_int8_t tag_action, u_int32_t address,
4201 u_int8_t layer_number, u_int8_t format, u_int8_t agid,
4202 u_int8_t *data_ptr, u_int32_t dxfer_len,
4203 u_int8_t sense_len, u_int32_t timeout)
4204{
4205 struct scsi_read_dvd_structure *scsi_cmd;
4206
4207 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
4208 bzero(scsi_cmd, sizeof(*scsi_cmd));
4209 scsi_cmd->opcode = READ_DVD_STRUCTURE;
4210
4211 scsi_ulto4b(address, scsi_cmd->address);
4212 scsi_cmd->layer_number = layer_number;
4213 scsi_cmd->format = format;
4214 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
4215 /* The AGID is the top two bits of this byte */
4216 scsi_cmd->agid = agid << 6;
4217
4218 cam_fill_csio(csio,
4219 retries,
4220 cbfcnp,
4221 /*flags*/ CAM_DIR_IN,
4222 tag_action,
4223 /*data_ptr*/ data_ptr,
4224 /*dxfer_len*/ dxfer_len,
4225 sense_len,
4226 sizeof(*scsi_cmd),
4227 timeout);
4228}
2924
2925 scsi_read_capacity(&ccb->csio,
2926 /*retries*/ 1,
2927 cddone,
2928 MSG_SIMPLE_Q_TAG,
2929 rcap_buf,
2930 SSD_FULL_SIZE,
2931 /* timeout */20000);
2932
2933 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2934 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2935
2936 xpt_release_ccb(ccb);
2937
2938 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
2939 softc->params.blksize = scsi_4btoul(rcap_buf->length);
2940 /*
2941 * SCSI-3 mandates that the reported blocksize shall be 2048.
2942 * Older drives sometimes report funny values, trim it down to
2943 * 2048, or other parts of the kernel will get confused.
2944 *
2945 * XXX we leave drives alone that might report 512 bytes, as
2946 * well as drives reporting more weird sizes like perhaps 4K.
2947 */
2948 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
2949 softc->params.blksize = 2048;
2950
2951 free(rcap_buf, M_TEMP);
2952 *size = softc->params.disksize;
2953
2954 return (error);
2955
2956}
2957
2958static int
2959cd6byteworkaround(union ccb *ccb)
2960{
2961 u_int8_t *cdb;
2962 struct cam_periph *periph;
2963 struct cd_softc *softc;
2964 struct cd_mode_params *params;
2965 int frozen, found;
2966
2967 periph = xpt_path_periph(ccb->ccb_h.path);
2968 softc = (struct cd_softc *)periph->softc;
2969
2970 cdb = ccb->csio.cdb_io.cdb_bytes;
2971
2972 if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
2973 || ((cdb[0] != MODE_SENSE_6)
2974 && (cdb[0] != MODE_SELECT_6)))
2975 return (0);
2976
2977 /*
2978 * Because there is no convenient place to stash the overall
2979 * cd_mode_params structure pointer, we have to grab it like this.
2980 * This means that ALL MODE_SENSE and MODE_SELECT requests in the
2981 * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
2982 *
2983 * XXX It would be nice if, at some point, we could increase the
2984 * number of available peripheral private pointers. Both pointers
2985 * are currently used in most every peripheral driver.
2986 */
2987 found = 0;
2988
2989 STAILQ_FOREACH(params, &softc->mode_queue, links) {
2990 if (params->mode_buf == ccb->csio.data_ptr) {
2991 found = 1;
2992 break;
2993 }
2994 }
2995
2996 /*
2997 * This shouldn't happen. All mode sense and mode select
2998 * operations in the cd(4) driver MUST go through cdgetmode() and
2999 * cdsetmode()!
3000 */
3001 if (found == 0) {
3002 xpt_print(periph->path,
3003 "mode buffer not found in mode queue!\n");
3004 return (0);
3005 }
3006
3007 params->cdb_size = 10;
3008 softc->minimum_command_size = 10;
3009 xpt_print(ccb->ccb_h.path,
3010 "%s(6) failed, increasing minimum CDB size to 10 bytes\n",
3011 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
3012
3013 if (cdb[0] == MODE_SENSE_6) {
3014 struct scsi_mode_sense_10 ms10;
3015 struct scsi_mode_sense_6 *ms6;
3016 int len;
3017
3018 ms6 = (struct scsi_mode_sense_6 *)cdb;
3019
3020 bzero(&ms10, sizeof(ms10));
3021 ms10.opcode = MODE_SENSE_10;
3022 ms10.byte2 = ms6->byte2;
3023 ms10.page = ms6->page;
3024
3025 /*
3026 * 10 byte mode header, block descriptor,
3027 * sizeof(union cd_pages)
3028 */
3029 len = sizeof(struct cd_mode_data_10);
3030 ccb->csio.dxfer_len = len;
3031
3032 scsi_ulto2b(len, ms10.length);
3033 ms10.control = ms6->control;
3034 bcopy(&ms10, cdb, 10);
3035 ccb->csio.cdb_len = 10;
3036 } else {
3037 struct scsi_mode_select_10 ms10;
3038 struct scsi_mode_select_6 *ms6;
3039 struct scsi_mode_header_6 *header6;
3040 struct scsi_mode_header_10 *header10;
3041 struct scsi_mode_page_header *page_header;
3042 int blk_desc_len, page_num, page_size, len;
3043
3044 ms6 = (struct scsi_mode_select_6 *)cdb;
3045
3046 bzero(&ms10, sizeof(ms10));
3047 ms10.opcode = MODE_SELECT_10;
3048 ms10.byte2 = ms6->byte2;
3049
3050 header6 = (struct scsi_mode_header_6 *)params->mode_buf;
3051 header10 = (struct scsi_mode_header_10 *)params->mode_buf;
3052
3053 page_header = find_mode_page_6(header6);
3054 page_num = page_header->page_code;
3055
3056 blk_desc_len = header6->blk_desc_len;
3057
3058 page_size = cdgetpagesize(page_num);
3059
3060 if (page_size != (page_header->page_length +
3061 sizeof(*page_header)))
3062 page_size = page_header->page_length +
3063 sizeof(*page_header);
3064
3065 len = sizeof(*header10) + blk_desc_len + page_size;
3066
3067 len = min(params->alloc_len, len);
3068
3069 /*
3070 * Since the 6 byte parameter header is shorter than the 10
3071 * byte parameter header, we need to copy the actual mode
3072 * page data, and the block descriptor, if any, so things wind
3073 * up in the right place. The regions will overlap, but
3074 * bcopy() does the right thing.
3075 */
3076 bcopy(params->mode_buf + sizeof(*header6),
3077 params->mode_buf + sizeof(*header10),
3078 len - sizeof(*header10));
3079
3080 /* Make sure these fields are set correctly. */
3081 scsi_ulto2b(0, header10->data_length);
3082 header10->medium_type = 0;
3083 scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
3084
3085 ccb->csio.dxfer_len = len;
3086
3087 scsi_ulto2b(len, ms10.length);
3088 ms10.control = ms6->control;
3089 bcopy(&ms10, cdb, 10);
3090 ccb->csio.cdb_len = 10;
3091 }
3092
3093 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3094 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3095 xpt_action(ccb);
3096 if (frozen) {
3097 cam_release_devq(ccb->ccb_h.path,
3098 /*relsim_flags*/0,
3099 /*openings*/0,
3100 /*timeout*/0,
3101 /*getcount_only*/0);
3102 }
3103
3104 return (ERESTART);
3105}
3106
3107static int
3108cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3109{
3110 struct cd_softc *softc;
3111 struct cam_periph *periph;
3112 int error;
3113
3114 periph = xpt_path_periph(ccb->ccb_h.path);
3115 softc = (struct cd_softc *)periph->softc;
3116
3117 error = 0;
3118
3119 /*
3120 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
3121 * CDB comes back with this particular error, try transforming it
3122 * into the 10 byte version.
3123 */
3124 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3125 error = cd6byteworkaround(ccb);
3126 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
3127 CAM_SCSI_STATUS_ERROR)
3128 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
3129 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
3130 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
3131 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
3132 int sense_key, error_code, asc, ascq;
3133
3134 scsi_extract_sense(&ccb->csio.sense_data,
3135 &error_code, &sense_key, &asc, &ascq);
3136 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3137 error = cd6byteworkaround(ccb);
3138 }
3139
3140 if (error == ERESTART)
3141 return (error);
3142
3143 /*
3144 * XXX
3145 * Until we have a better way of doing pack validation,
3146 * don't treat UAs as errors.
3147 */
3148 sense_flags |= SF_RETRY_UA;
3149 return (cam_periph_error(ccb, cam_flags, sense_flags,
3150 &softc->saved_ccb));
3151}
3152
3153/*
3154 * Read table of contents
3155 */
3156static int
3157cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
3158 u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
3159{
3160 struct scsi_read_toc *scsi_cmd;
3161 u_int32_t ntoc;
3162 struct ccb_scsiio *csio;
3163 union ccb *ccb;
3164 int error;
3165
3166 ntoc = len;
3167 error = 0;
3168
3169 ccb = cdgetccb(periph, /* priority */ 1);
3170
3171 csio = &ccb->csio;
3172
3173 cam_fill_csio(csio,
3174 /* retries */ 1,
3175 /* cbfcnp */ cddone,
3176 /* flags */ CAM_DIR_IN,
3177 /* tag_action */ MSG_SIMPLE_Q_TAG,
3178 /* data_ptr */ data,
3179 /* dxfer_len */ len,
3180 /* sense_len */ SSD_FULL_SIZE,
3181 sizeof(struct scsi_read_toc),
3182 /* timeout */ 50000);
3183
3184 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
3185 bzero (scsi_cmd, sizeof(*scsi_cmd));
3186
3187 if (mode == CD_MSF_FORMAT)
3188 scsi_cmd->byte2 |= CD_MSF;
3189 scsi_cmd->from_track = start;
3190 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
3191 scsi_cmd->data_len[0] = (ntoc) >> 8;
3192 scsi_cmd->data_len[1] = (ntoc) & 0xff;
3193
3194 scsi_cmd->op_code = READ_TOC;
3195
3196 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3197 /*sense_flags*/SF_RETRY_UA | sense_flags);
3198
3199 xpt_release_ccb(ccb);
3200
3201 return(error);
3202}
3203
3204static int
3205cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
3206 u_int32_t format, int track,
3207 struct cd_sub_channel_info *data, u_int32_t len)
3208{
3209 struct scsi_read_subchannel *scsi_cmd;
3210 struct ccb_scsiio *csio;
3211 union ccb *ccb;
3212 int error;
3213
3214 error = 0;
3215
3216 ccb = cdgetccb(periph, /* priority */ 1);
3217
3218 csio = &ccb->csio;
3219
3220 cam_fill_csio(csio,
3221 /* retries */ 1,
3222 /* cbfcnp */ cddone,
3223 /* flags */ CAM_DIR_IN,
3224 /* tag_action */ MSG_SIMPLE_Q_TAG,
3225 /* data_ptr */ (u_int8_t *)data,
3226 /* dxfer_len */ len,
3227 /* sense_len */ SSD_FULL_SIZE,
3228 sizeof(struct scsi_read_subchannel),
3229 /* timeout */ 50000);
3230
3231 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
3232 bzero (scsi_cmd, sizeof(*scsi_cmd));
3233
3234 scsi_cmd->op_code = READ_SUBCHANNEL;
3235 if (mode == CD_MSF_FORMAT)
3236 scsi_cmd->byte1 |= CD_MSF;
3237 scsi_cmd->byte2 = SRS_SUBQ;
3238 scsi_cmd->subchan_format = format;
3239 scsi_cmd->track = track;
3240 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
3241 scsi_cmd->control = 0;
3242
3243 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3244 /*sense_flags*/SF_RETRY_UA);
3245
3246 xpt_release_ccb(ccb);
3247
3248 return(error);
3249}
3250
3251
3252/*
3253 * All MODE_SENSE requests in the cd(4) driver MUST go through this
3254 * routine. See comments in cd6byteworkaround() for details.
3255 */
3256static int
3257cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
3258 u_int32_t page)
3259{
3260 struct ccb_scsiio *csio;
3261 struct cd_softc *softc;
3262 union ccb *ccb;
3263 int param_len;
3264 int error;
3265
3266 softc = (struct cd_softc *)periph->softc;
3267
3268 ccb = cdgetccb(periph, /* priority */ 1);
3269
3270 csio = &ccb->csio;
3271
3272 data->cdb_size = softc->minimum_command_size;
3273 if (data->cdb_size < 10)
3274 param_len = sizeof(struct cd_mode_data);
3275 else
3276 param_len = sizeof(struct cd_mode_data_10);
3277
3278 /* Don't say we've got more room than we actually allocated */
3279 param_len = min(param_len, data->alloc_len);
3280
3281 scsi_mode_sense_len(csio,
3282 /* retries */ 1,
3283 /* cbfcnp */ cddone,
3284 /* tag_action */ MSG_SIMPLE_Q_TAG,
3285 /* dbd */ 0,
3286 /* page_code */ SMS_PAGE_CTRL_CURRENT,
3287 /* page */ page,
3288 /* param_buf */ data->mode_buf,
3289 /* param_len */ param_len,
3290 /* minimum_cmd_size */ softc->minimum_command_size,
3291 /* sense_len */ SSD_FULL_SIZE,
3292 /* timeout */ 50000);
3293
3294 /*
3295 * It would be nice not to have to do this, but there's no
3296 * available pointer in the CCB that would allow us to stuff the
3297 * mode params structure in there and retrieve it in
3298 * cd6byteworkaround(), so we can set the cdb size. The cdb size
3299 * lets the caller know what CDB size we ended up using, so they
3300 * can find the actual mode page offset.
3301 */
3302 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
3303
3304 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3305 /*sense_flags*/SF_RETRY_UA);
3306
3307 xpt_release_ccb(ccb);
3308
3309 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3310
3311 /*
3312 * This is a bit of belt-and-suspenders checking, but if we run
3313 * into a situation where the target sends back multiple block
3314 * descriptors, we might not have enough space in the buffer to
3315 * see the whole mode page. Better to return an error than
3316 * potentially access memory beyond our malloced region.
3317 */
3318 if (error == 0) {
3319 u_int32_t data_len;
3320
3321 if (data->cdb_size == 10) {
3322 struct scsi_mode_header_10 *hdr10;
3323
3324 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
3325 data_len = scsi_2btoul(hdr10->data_length);
3326 data_len += sizeof(hdr10->data_length);
3327 } else {
3328 struct scsi_mode_header_6 *hdr6;
3329
3330 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
3331 data_len = hdr6->data_length;
3332 data_len += sizeof(hdr6->data_length);
3333 }
3334
3335 /*
3336 * Complain if there is more mode data available than we
3337 * allocated space for. This could potentially happen if
3338 * we miscalculated the page length for some reason, if the
3339 * drive returns multiple block descriptors, or if it sets
3340 * the data length incorrectly.
3341 */
3342 if (data_len > data->alloc_len) {
3343 xpt_print(periph->path, "allocated modepage %d length "
3344 "%d < returned length %d\n", page, data->alloc_len,
3345 data_len);
3346 error = ENOSPC;
3347 }
3348 }
3349 return (error);
3350}
3351
3352/*
3353 * All MODE_SELECT requests in the cd(4) driver MUST go through this
3354 * routine. See comments in cd6byteworkaround() for details.
3355 */
3356static int
3357cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
3358{
3359 struct ccb_scsiio *csio;
3360 struct cd_softc *softc;
3361 union ccb *ccb;
3362 int cdb_size, param_len;
3363 int error;
3364
3365 softc = (struct cd_softc *)periph->softc;
3366
3367 ccb = cdgetccb(periph, /* priority */ 1);
3368
3369 csio = &ccb->csio;
3370
3371 error = 0;
3372
3373 /*
3374 * If the data is formatted for the 10 byte version of the mode
3375 * select parameter list, we need to use the 10 byte CDB.
3376 * Otherwise, we use whatever the stored minimum command size.
3377 */
3378 if (data->cdb_size == 10)
3379 cdb_size = data->cdb_size;
3380 else
3381 cdb_size = softc->minimum_command_size;
3382
3383 if (cdb_size >= 10) {
3384 struct scsi_mode_header_10 *mode_header;
3385 u_int32_t data_len;
3386
3387 mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
3388
3389 data_len = scsi_2btoul(mode_header->data_length);
3390
3391 scsi_ulto2b(0, mode_header->data_length);
3392 /*
3393 * SONY drives do not allow a mode select with a medium_type
3394 * value that has just been returned by a mode sense; use a
3395 * medium_type of 0 (Default) instead.
3396 */
3397 mode_header->medium_type = 0;
3398
3399 /*
3400 * Pass back whatever the drive passed to us, plus the size
3401 * of the data length field.
3402 */
3403 param_len = data_len + sizeof(mode_header->data_length);
3404
3405 } else {
3406 struct scsi_mode_header_6 *mode_header;
3407
3408 mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
3409
3410 param_len = mode_header->data_length + 1;
3411
3412 mode_header->data_length = 0;
3413 /*
3414 * SONY drives do not allow a mode select with a medium_type
3415 * value that has just been returned by a mode sense; use a
3416 * medium_type of 0 (Default) instead.
3417 */
3418 mode_header->medium_type = 0;
3419 }
3420
3421 /* Don't say we've got more room than we actually allocated */
3422 param_len = min(param_len, data->alloc_len);
3423
3424 scsi_mode_select_len(csio,
3425 /* retries */ 1,
3426 /* cbfcnp */ cddone,
3427 /* tag_action */ MSG_SIMPLE_Q_TAG,
3428 /* scsi_page_fmt */ 1,
3429 /* save_pages */ 0,
3430 /* param_buf */ data->mode_buf,
3431 /* param_len */ param_len,
3432 /* minimum_cmd_size */ cdb_size,
3433 /* sense_len */ SSD_FULL_SIZE,
3434 /* timeout */ 50000);
3435
3436 /* See comments in cdgetmode() and cd6byteworkaround(). */
3437 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
3438
3439 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3440 /*sense_flags*/SF_RETRY_UA);
3441
3442 xpt_release_ccb(ccb);
3443
3444 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3445
3446 return (error);
3447}
3448
3449
3450static int
3451cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
3452{
3453 struct ccb_scsiio *csio;
3454 union ccb *ccb;
3455 int error;
3456 u_int8_t cdb_len;
3457
3458 error = 0;
3459 ccb = cdgetccb(periph, /* priority */ 1);
3460 csio = &ccb->csio;
3461 /*
3462 * Use the smallest possible command to perform the operation.
3463 */
3464 if ((len & 0xffff0000) == 0) {
3465 /*
3466 * We can fit in a 10 byte cdb.
3467 */
3468 struct scsi_play_10 *scsi_cmd;
3469
3470 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
3471 bzero (scsi_cmd, sizeof(*scsi_cmd));
3472 scsi_cmd->op_code = PLAY_10;
3473 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3474 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
3475 cdb_len = sizeof(*scsi_cmd);
3476 } else {
3477 struct scsi_play_12 *scsi_cmd;
3478
3479 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
3480 bzero (scsi_cmd, sizeof(*scsi_cmd));
3481 scsi_cmd->op_code = PLAY_12;
3482 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3483 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
3484 cdb_len = sizeof(*scsi_cmd);
3485 }
3486 cam_fill_csio(csio,
3487 /*retries*/2,
3488 cddone,
3489 /*flags*/CAM_DIR_NONE,
3490 MSG_SIMPLE_Q_TAG,
3491 /*dataptr*/NULL,
3492 /*datalen*/0,
3493 /*sense_len*/SSD_FULL_SIZE,
3494 cdb_len,
3495 /*timeout*/50 * 1000);
3496
3497 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3498 /*sense_flags*/SF_RETRY_UA);
3499
3500 xpt_release_ccb(ccb);
3501
3502 return(error);
3503}
3504
3505static int
3506cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
3507 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
3508{
3509 struct scsi_play_msf *scsi_cmd;
3510 struct ccb_scsiio *csio;
3511 union ccb *ccb;
3512 int error;
3513
3514 error = 0;
3515
3516 ccb = cdgetccb(periph, /* priority */ 1);
3517
3518 csio = &ccb->csio;
3519
3520 cam_fill_csio(csio,
3521 /* retries */ 1,
3522 /* cbfcnp */ cddone,
3523 /* flags */ CAM_DIR_NONE,
3524 /* tag_action */ MSG_SIMPLE_Q_TAG,
3525 /* data_ptr */ NULL,
3526 /* dxfer_len */ 0,
3527 /* sense_len */ SSD_FULL_SIZE,
3528 sizeof(struct scsi_play_msf),
3529 /* timeout */ 50000);
3530
3531 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
3532 bzero (scsi_cmd, sizeof(*scsi_cmd));
3533
3534 scsi_cmd->op_code = PLAY_MSF;
3535 scsi_cmd->start_m = startm;
3536 scsi_cmd->start_s = starts;
3537 scsi_cmd->start_f = startf;
3538 scsi_cmd->end_m = endm;
3539 scsi_cmd->end_s = ends;
3540 scsi_cmd->end_f = endf;
3541
3542 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3543 /*sense_flags*/SF_RETRY_UA);
3544
3545 xpt_release_ccb(ccb);
3546
3547 return(error);
3548}
3549
3550
3551static int
3552cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
3553 u_int32_t etrack, u_int32_t eindex)
3554{
3555 struct scsi_play_track *scsi_cmd;
3556 struct ccb_scsiio *csio;
3557 union ccb *ccb;
3558 int error;
3559
3560 error = 0;
3561
3562 ccb = cdgetccb(periph, /* priority */ 1);
3563
3564 csio = &ccb->csio;
3565
3566 cam_fill_csio(csio,
3567 /* retries */ 1,
3568 /* cbfcnp */ cddone,
3569 /* flags */ CAM_DIR_NONE,
3570 /* tag_action */ MSG_SIMPLE_Q_TAG,
3571 /* data_ptr */ NULL,
3572 /* dxfer_len */ 0,
3573 /* sense_len */ SSD_FULL_SIZE,
3574 sizeof(struct scsi_play_track),
3575 /* timeout */ 50000);
3576
3577 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
3578 bzero (scsi_cmd, sizeof(*scsi_cmd));
3579
3580 scsi_cmd->op_code = PLAY_TRACK;
3581 scsi_cmd->start_track = strack;
3582 scsi_cmd->start_index = sindex;
3583 scsi_cmd->end_track = etrack;
3584 scsi_cmd->end_index = eindex;
3585
3586 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3587 /*sense_flags*/SF_RETRY_UA);
3588
3589 xpt_release_ccb(ccb);
3590
3591 return(error);
3592}
3593
3594static int
3595cdpause(struct cam_periph *periph, u_int32_t go)
3596{
3597 struct scsi_pause *scsi_cmd;
3598 struct ccb_scsiio *csio;
3599 union ccb *ccb;
3600 int error;
3601
3602 error = 0;
3603
3604 ccb = cdgetccb(periph, /* priority */ 1);
3605
3606 csio = &ccb->csio;
3607
3608 cam_fill_csio(csio,
3609 /* retries */ 1,
3610 /* cbfcnp */ cddone,
3611 /* flags */ CAM_DIR_NONE,
3612 /* tag_action */ MSG_SIMPLE_Q_TAG,
3613 /* data_ptr */ NULL,
3614 /* dxfer_len */ 0,
3615 /* sense_len */ SSD_FULL_SIZE,
3616 sizeof(struct scsi_pause),
3617 /* timeout */ 50000);
3618
3619 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
3620 bzero (scsi_cmd, sizeof(*scsi_cmd));
3621
3622 scsi_cmd->op_code = PAUSE;
3623 scsi_cmd->resume = go;
3624
3625 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3626 /*sense_flags*/SF_RETRY_UA);
3627
3628 xpt_release_ccb(ccb);
3629
3630 return(error);
3631}
3632
3633static int
3634cdstartunit(struct cam_periph *periph, int load)
3635{
3636 union ccb *ccb;
3637 int error;
3638
3639 error = 0;
3640
3641 ccb = cdgetccb(periph, /* priority */ 1);
3642
3643 scsi_start_stop(&ccb->csio,
3644 /* retries */ 1,
3645 /* cbfcnp */ cddone,
3646 /* tag_action */ MSG_SIMPLE_Q_TAG,
3647 /* start */ TRUE,
3648 /* load_eject */ load,
3649 /* immediate */ FALSE,
3650 /* sense_len */ SSD_FULL_SIZE,
3651 /* timeout */ 50000);
3652
3653 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3654 /*sense_flags*/SF_RETRY_UA);
3655
3656 xpt_release_ccb(ccb);
3657
3658 return(error);
3659}
3660
3661static int
3662cdstopunit(struct cam_periph *periph, u_int32_t eject)
3663{
3664 union ccb *ccb;
3665 int error;
3666
3667 error = 0;
3668
3669 ccb = cdgetccb(periph, /* priority */ 1);
3670
3671 scsi_start_stop(&ccb->csio,
3672 /* retries */ 1,
3673 /* cbfcnp */ cddone,
3674 /* tag_action */ MSG_SIMPLE_Q_TAG,
3675 /* start */ FALSE,
3676 /* load_eject */ eject,
3677 /* immediate */ FALSE,
3678 /* sense_len */ SSD_FULL_SIZE,
3679 /* timeout */ 50000);
3680
3681 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3682 /*sense_flags*/SF_RETRY_UA);
3683
3684 xpt_release_ccb(ccb);
3685
3686 return(error);
3687}
3688
3689static int
3690cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed)
3691{
3692 struct scsi_set_speed *scsi_cmd;
3693 struct ccb_scsiio *csio;
3694 union ccb *ccb;
3695 int error;
3696
3697 error = 0;
3698 ccb = cdgetccb(periph, /* priority */ 1);
3699 csio = &ccb->csio;
3700
3701 /* Preserve old behavior: units in multiples of CDROM speed */
3702 if (rdspeed < 177)
3703 rdspeed *= 177;
3704 if (wrspeed < 177)
3705 wrspeed *= 177;
3706
3707 cam_fill_csio(csio,
3708 /* retries */ 1,
3709 /* cbfcnp */ cddone,
3710 /* flags */ CAM_DIR_NONE,
3711 /* tag_action */ MSG_SIMPLE_Q_TAG,
3712 /* data_ptr */ NULL,
3713 /* dxfer_len */ 0,
3714 /* sense_len */ SSD_FULL_SIZE,
3715 sizeof(struct scsi_set_speed),
3716 /* timeout */ 50000);
3717
3718 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes;
3719 bzero(scsi_cmd, sizeof(*scsi_cmd));
3720
3721 scsi_cmd->opcode = SET_CD_SPEED;
3722 scsi_ulto2b(rdspeed, scsi_cmd->readspeed);
3723 scsi_ulto2b(wrspeed, scsi_cmd->writespeed);
3724
3725 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3726 /*sense_flags*/SF_RETRY_UA);
3727
3728 xpt_release_ccb(ccb);
3729
3730 return(error);
3731}
3732
3733static int
3734cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3735{
3736 union ccb *ccb;
3737 u_int8_t *databuf;
3738 u_int32_t lba;
3739 int error;
3740 int length;
3741
3742 error = 0;
3743 databuf = NULL;
3744 lba = 0;
3745
3746 ccb = cdgetccb(periph, /* priority */ 1);
3747
3748 switch (authinfo->format) {
3749 case DVD_REPORT_AGID:
3750 length = sizeof(struct scsi_report_key_data_agid);
3751 break;
3752 case DVD_REPORT_CHALLENGE:
3753 length = sizeof(struct scsi_report_key_data_challenge);
3754 break;
3755 case DVD_REPORT_KEY1:
3756 length = sizeof(struct scsi_report_key_data_key1_key2);
3757 break;
3758 case DVD_REPORT_TITLE_KEY:
3759 length = sizeof(struct scsi_report_key_data_title);
3760 /* The lba field is only set for the title key */
3761 lba = authinfo->lba;
3762 break;
3763 case DVD_REPORT_ASF:
3764 length = sizeof(struct scsi_report_key_data_asf);
3765 break;
3766 case DVD_REPORT_RPC:
3767 length = sizeof(struct scsi_report_key_data_rpc);
3768 break;
3769 case DVD_INVALIDATE_AGID:
3770 length = 0;
3771 break;
3772 default:
3773 error = EINVAL;
3774 goto bailout;
3775 break; /* NOTREACHED */
3776 }
3777
3778 if (length != 0) {
3779 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3780 } else
3781 databuf = NULL;
3782
3783
3784 scsi_report_key(&ccb->csio,
3785 /* retries */ 1,
3786 /* cbfcnp */ cddone,
3787 /* tag_action */ MSG_SIMPLE_Q_TAG,
3788 /* lba */ lba,
3789 /* agid */ authinfo->agid,
3790 /* key_format */ authinfo->format,
3791 /* data_ptr */ databuf,
3792 /* dxfer_len */ length,
3793 /* sense_len */ SSD_FULL_SIZE,
3794 /* timeout */ 50000);
3795
3796 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3797 /*sense_flags*/SF_RETRY_UA);
3798
3799 if (error != 0)
3800 goto bailout;
3801
3802 if (ccb->csio.resid != 0) {
3803 xpt_print(periph->path, "warning, residual for report key "
3804 "command is %d\n", ccb->csio.resid);
3805 }
3806
3807 switch(authinfo->format) {
3808 case DVD_REPORT_AGID: {
3809 struct scsi_report_key_data_agid *agid_data;
3810
3811 agid_data = (struct scsi_report_key_data_agid *)databuf;
3812
3813 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
3814 RKD_AGID_SHIFT;
3815 break;
3816 }
3817 case DVD_REPORT_CHALLENGE: {
3818 struct scsi_report_key_data_challenge *chal_data;
3819
3820 chal_data = (struct scsi_report_key_data_challenge *)databuf;
3821
3822 bcopy(chal_data->challenge_key, authinfo->keychal,
3823 min(sizeof(chal_data->challenge_key),
3824 sizeof(authinfo->keychal)));
3825 break;
3826 }
3827 case DVD_REPORT_KEY1: {
3828 struct scsi_report_key_data_key1_key2 *key1_data;
3829
3830 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
3831
3832 bcopy(key1_data->key1, authinfo->keychal,
3833 min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
3834 break;
3835 }
3836 case DVD_REPORT_TITLE_KEY: {
3837 struct scsi_report_key_data_title *title_data;
3838
3839 title_data = (struct scsi_report_key_data_title *)databuf;
3840
3841 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
3842 RKD_TITLE_CPM_SHIFT;
3843 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
3844 RKD_TITLE_CP_SEC_SHIFT;
3845 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
3846 RKD_TITLE_CMGS_SHIFT;
3847 bcopy(title_data->title_key, authinfo->keychal,
3848 min(sizeof(title_data->title_key),
3849 sizeof(authinfo->keychal)));
3850 break;
3851 }
3852 case DVD_REPORT_ASF: {
3853 struct scsi_report_key_data_asf *asf_data;
3854
3855 asf_data = (struct scsi_report_key_data_asf *)databuf;
3856
3857 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
3858 break;
3859 }
3860 case DVD_REPORT_RPC: {
3861 struct scsi_report_key_data_rpc *rpc_data;
3862
3863 rpc_data = (struct scsi_report_key_data_rpc *)databuf;
3864
3865 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
3866 RKD_RPC_TYPE_SHIFT;
3867 authinfo->vend_rsts =
3868 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
3869 RKD_RPC_VENDOR_RESET_SHIFT;
3870 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
3871 authinfo->region = rpc_data->region_mask;
3872 authinfo->rpc_scheme = rpc_data->rpc_scheme1;
3873 break;
3874 }
3875 case DVD_INVALIDATE_AGID:
3876 break;
3877 default:
3878 /* This should be impossible, since we checked above */
3879 error = EINVAL;
3880 goto bailout;
3881 break; /* NOTREACHED */
3882 }
3883bailout:
3884 if (databuf != NULL)
3885 free(databuf, M_DEVBUF);
3886
3887 xpt_release_ccb(ccb);
3888
3889 return(error);
3890}
3891
3892static int
3893cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3894{
3895 union ccb *ccb;
3896 u_int8_t *databuf;
3897 int length;
3898 int error;
3899
3900 error = 0;
3901 databuf = NULL;
3902
3903 ccb = cdgetccb(periph, /* priority */ 1);
3904
3905 switch(authinfo->format) {
3906 case DVD_SEND_CHALLENGE: {
3907 struct scsi_report_key_data_challenge *challenge_data;
3908
3909 length = sizeof(*challenge_data);
3910
3911 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3912
3913 databuf = (u_int8_t *)challenge_data;
3914
3915 scsi_ulto2b(length - sizeof(challenge_data->data_len),
3916 challenge_data->data_len);
3917
3918 bcopy(authinfo->keychal, challenge_data->challenge_key,
3919 min(sizeof(authinfo->keychal),
3920 sizeof(challenge_data->challenge_key)));
3921 break;
3922 }
3923 case DVD_SEND_KEY2: {
3924 struct scsi_report_key_data_key1_key2 *key2_data;
3925
3926 length = sizeof(*key2_data);
3927
3928 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3929
3930 databuf = (u_int8_t *)key2_data;
3931
3932 scsi_ulto2b(length - sizeof(key2_data->data_len),
3933 key2_data->data_len);
3934
3935 bcopy(authinfo->keychal, key2_data->key1,
3936 min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
3937
3938 break;
3939 }
3940 case DVD_SEND_RPC: {
3941 struct scsi_send_key_data_rpc *rpc_data;
3942
3943 length = sizeof(*rpc_data);
3944
3945 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3946
3947 databuf = (u_int8_t *)rpc_data;
3948
3949 scsi_ulto2b(length - sizeof(rpc_data->data_len),
3950 rpc_data->data_len);
3951
3952 rpc_data->region_code = authinfo->region;
3953 break;
3954 }
3955 default:
3956 error = EINVAL;
3957 goto bailout;
3958 break; /* NOTREACHED */
3959 }
3960
3961 scsi_send_key(&ccb->csio,
3962 /* retries */ 1,
3963 /* cbfcnp */ cddone,
3964 /* tag_action */ MSG_SIMPLE_Q_TAG,
3965 /* agid */ authinfo->agid,
3966 /* key_format */ authinfo->format,
3967 /* data_ptr */ databuf,
3968 /* dxfer_len */ length,
3969 /* sense_len */ SSD_FULL_SIZE,
3970 /* timeout */ 50000);
3971
3972 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3973 /*sense_flags*/SF_RETRY_UA);
3974
3975bailout:
3976
3977 if (databuf != NULL)
3978 free(databuf, M_DEVBUF);
3979
3980 xpt_release_ccb(ccb);
3981
3982 return(error);
3983}
3984
3985static int
3986cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
3987{
3988 union ccb *ccb;
3989 u_int8_t *databuf;
3990 u_int32_t address;
3991 int error;
3992 int length;
3993
3994 error = 0;
3995 databuf = NULL;
3996 /* The address is reserved for many of the formats */
3997 address = 0;
3998
3999 ccb = cdgetccb(periph, /* priority */ 1);
4000
4001 switch(dvdstruct->format) {
4002 case DVD_STRUCT_PHYSICAL:
4003 length = sizeof(struct scsi_read_dvd_struct_data_physical);
4004 break;
4005 case DVD_STRUCT_COPYRIGHT:
4006 length = sizeof(struct scsi_read_dvd_struct_data_copyright);
4007 break;
4008 case DVD_STRUCT_DISCKEY:
4009 length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
4010 break;
4011 case DVD_STRUCT_BCA:
4012 length = sizeof(struct scsi_read_dvd_struct_data_bca);
4013 break;
4014 case DVD_STRUCT_MANUFACT:
4015 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
4016 break;
4017 case DVD_STRUCT_CMI:
4018 error = ENODEV;
4019 goto bailout;
4020#ifdef notyet
4021 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage);
4022 address = dvdstruct->address;
4023#endif
4024 break; /* NOTREACHED */
4025 case DVD_STRUCT_PROTDISCID:
4026 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
4027 break;
4028 case DVD_STRUCT_DISCKEYBLOCK:
4029 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
4030 break;
4031 case DVD_STRUCT_DDS:
4032 length = sizeof(struct scsi_read_dvd_struct_data_dds);
4033 break;
4034 case DVD_STRUCT_MEDIUM_STAT:
4035 length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
4036 break;
4037 case DVD_STRUCT_SPARE_AREA:
4038 length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
4039 break;
4040 case DVD_STRUCT_RMD_LAST:
4041 error = ENODEV;
4042 goto bailout;
4043#ifdef notyet
4044 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout);
4045 address = dvdstruct->address;
4046#endif
4047 break; /* NOTREACHED */
4048 case DVD_STRUCT_RMD_RMA:
4049 error = ENODEV;
4050 goto bailout;
4051#ifdef notyet
4052 length = sizeof(struct scsi_read_dvd_struct_data_rmd);
4053 address = dvdstruct->address;
4054#endif
4055 break; /* NOTREACHED */
4056 case DVD_STRUCT_PRERECORDED:
4057 length = sizeof(struct scsi_read_dvd_struct_data_leadin);
4058 break;
4059 case DVD_STRUCT_UNIQUEID:
4060 length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
4061 break;
4062 case DVD_STRUCT_DCB:
4063 error = ENODEV;
4064 goto bailout;
4065#ifdef notyet
4066 length = sizeof(struct scsi_read_dvd_struct_data_dcb);
4067 address = dvdstruct->address;
4068#endif
4069 break; /* NOTREACHED */
4070 case DVD_STRUCT_LIST:
4071 /*
4072 * This is the maximum allocation length for the READ DVD
4073 * STRUCTURE command. There's nothing in the MMC3 spec
4074 * that indicates a limit in the amount of data that can
4075 * be returned from this call, other than the limits
4076 * imposed by the 2-byte length variables.
4077 */
4078 length = 65535;
4079 break;
4080 default:
4081 error = EINVAL;
4082 goto bailout;
4083 break; /* NOTREACHED */
4084 }
4085
4086 if (length != 0) {
4087 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
4088 } else
4089 databuf = NULL;
4090
4091 scsi_read_dvd_structure(&ccb->csio,
4092 /* retries */ 1,
4093 /* cbfcnp */ cddone,
4094 /* tag_action */ MSG_SIMPLE_Q_TAG,
4095 /* lba */ address,
4096 /* layer_number */ dvdstruct->layer_num,
4097 /* key_format */ dvdstruct->format,
4098 /* agid */ dvdstruct->agid,
4099 /* data_ptr */ databuf,
4100 /* dxfer_len */ length,
4101 /* sense_len */ SSD_FULL_SIZE,
4102 /* timeout */ 50000);
4103
4104 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
4105 /*sense_flags*/SF_RETRY_UA);
4106
4107 if (error != 0)
4108 goto bailout;
4109
4110 switch(dvdstruct->format) {
4111 case DVD_STRUCT_PHYSICAL: {
4112 struct scsi_read_dvd_struct_data_layer_desc *inlayer;
4113 struct dvd_layer *outlayer;
4114 struct scsi_read_dvd_struct_data_physical *phys_data;
4115
4116 phys_data =
4117 (struct scsi_read_dvd_struct_data_physical *)databuf;
4118 inlayer = &phys_data->layer_desc;
4119 outlayer = (struct dvd_layer *)&dvdstruct->data;
4120
4121 dvdstruct->length = sizeof(*inlayer);
4122
4123 outlayer->book_type = (inlayer->book_type_version &
4124 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
4125 outlayer->book_version = (inlayer->book_type_version &
4126 RDSD_BOOK_VERSION_MASK);
4127 outlayer->disc_size = (inlayer->disc_size_max_rate &
4128 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
4129 outlayer->max_rate = (inlayer->disc_size_max_rate &
4130 RDSD_MAX_RATE_MASK);
4131 outlayer->nlayers = (inlayer->layer_info &
4132 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
4133 outlayer->track_path = (inlayer->layer_info &
4134 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
4135 outlayer->layer_type = (inlayer->layer_info &
4136 RDSD_LAYER_TYPE_MASK);
4137 outlayer->linear_density = (inlayer->density &
4138 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
4139 outlayer->track_density = (inlayer->density &
4140 RDSD_TRACK_DENSITY_MASK);
4141 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
4142 RDSD_BCA_SHIFT;
4143 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
4144 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
4145 outlayer->end_sector_l0 =
4146 scsi_3btoul(inlayer->end_sector_layer0);
4147 break;
4148 }
4149 case DVD_STRUCT_COPYRIGHT: {
4150 struct scsi_read_dvd_struct_data_copyright *copy_data;
4151
4152 copy_data = (struct scsi_read_dvd_struct_data_copyright *)
4153 databuf;
4154
4155 dvdstruct->cpst = copy_data->cps_type;
4156 dvdstruct->rmi = copy_data->region_info;
4157 dvdstruct->length = 0;
4158
4159 break;
4160 }
4161 default:
4162 /*
4163 * Tell the user what the overall length is, no matter
4164 * what we can actually fit in the data buffer.
4165 */
4166 dvdstruct->length = length - ccb->csio.resid -
4167 sizeof(struct scsi_read_dvd_struct_data_header);
4168
4169 /*
4170 * But only actually copy out the smaller of what we read
4171 * in or what the structure can take.
4172 */
4173 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
4174 dvdstruct->data,
4175 min(sizeof(dvdstruct->data), dvdstruct->length));
4176 break;
4177 }
4178bailout:
4179
4180 if (databuf != NULL)
4181 free(databuf, M_DEVBUF);
4182
4183 xpt_release_ccb(ccb);
4184
4185 return(error);
4186}
4187
4188void
4189scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
4190 void (*cbfcnp)(struct cam_periph *, union ccb *),
4191 u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
4192 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
4193 u_int8_t sense_len, u_int32_t timeout)
4194{
4195 struct scsi_report_key *scsi_cmd;
4196
4197 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
4198 bzero(scsi_cmd, sizeof(*scsi_cmd));
4199 scsi_cmd->opcode = REPORT_KEY;
4200 scsi_ulto4b(lba, scsi_cmd->lba);
4201 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
4202 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
4203 (key_format & RK_KF_KEYFORMAT_MASK);
4204
4205 cam_fill_csio(csio,
4206 retries,
4207 cbfcnp,
4208 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
4209 tag_action,
4210 /*data_ptr*/ data_ptr,
4211 /*dxfer_len*/ dxfer_len,
4212 sense_len,
4213 sizeof(*scsi_cmd),
4214 timeout);
4215}
4216
4217void
4218scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
4219 void (*cbfcnp)(struct cam_periph *, union ccb *),
4220 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
4221 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
4222 u_int32_t timeout)
4223{
4224 struct scsi_send_key *scsi_cmd;
4225
4226 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
4227 bzero(scsi_cmd, sizeof(*scsi_cmd));
4228 scsi_cmd->opcode = SEND_KEY;
4229
4230 scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
4231 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
4232 (key_format & RK_KF_KEYFORMAT_MASK);
4233
4234 cam_fill_csio(csio,
4235 retries,
4236 cbfcnp,
4237 /*flags*/ CAM_DIR_OUT,
4238 tag_action,
4239 /*data_ptr*/ data_ptr,
4240 /*dxfer_len*/ dxfer_len,
4241 sense_len,
4242 sizeof(*scsi_cmd),
4243 timeout);
4244}
4245
4246
4247void
4248scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
4249 void (*cbfcnp)(struct cam_periph *, union ccb *),
4250 u_int8_t tag_action, u_int32_t address,
4251 u_int8_t layer_number, u_int8_t format, u_int8_t agid,
4252 u_int8_t *data_ptr, u_int32_t dxfer_len,
4253 u_int8_t sense_len, u_int32_t timeout)
4254{
4255 struct scsi_read_dvd_structure *scsi_cmd;
4256
4257 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
4258 bzero(scsi_cmd, sizeof(*scsi_cmd));
4259 scsi_cmd->opcode = READ_DVD_STRUCTURE;
4260
4261 scsi_ulto4b(address, scsi_cmd->address);
4262 scsi_cmd->layer_number = layer_number;
4263 scsi_cmd->format = format;
4264 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
4265 /* The AGID is the top two bits of this byte */
4266 scsi_cmd->agid = agid << 6;
4267
4268 cam_fill_csio(csio,
4269 retries,
4270 cbfcnp,
4271 /*flags*/ CAM_DIR_IN,
4272 tag_action,
4273 /*data_ptr*/ data_ptr,
4274 /*dxfer_len*/ dxfer_len,
4275 sense_len,
4276 sizeof(*scsi_cmd),
4277 timeout);
4278}