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scsi_sa.c (273736) scsi_sa.c (280438)
1/*-
2 * Implementation of SCSI Sequential Access Peripheral driver for CAM.
3 *
4 * Copyright (c) 1999, 2000 Matthew Jacob
1/*-
2 * Implementation of SCSI Sequential Access Peripheral driver for CAM.
3 *
4 * Copyright (c) 1999, 2000 Matthew Jacob
5 * Copyright (c) 2013, 2014, 2015 Spectra Logic Corporation
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.

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22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification, immediately at the beginning of the file.

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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: stable/10/sys/cam/scsi/scsi_sa.c 273736 2014-10-27 14:38:00Z hselasky $");
31__FBSDID("$FreeBSD: stable/10/sys/cam/scsi/scsi_sa.c 280438 2015-03-24 14:36:10Z ken $");
31
32#include <sys/param.h>
33#include <sys/queue.h>
34#ifdef _KERNEL
35#include <sys/systm.h>
36#include <sys/kernel.h>
37#endif
38#include <sys/types.h>
39#include <sys/time.h>
40#include <sys/bio.h>
41#include <sys/limits.h>
42#include <sys/malloc.h>
43#include <sys/mtio.h>
44#ifdef _KERNEL
45#include <sys/conf.h>
32
33#include <sys/param.h>
34#include <sys/queue.h>
35#ifdef _KERNEL
36#include <sys/systm.h>
37#include <sys/kernel.h>
38#endif
39#include <sys/types.h>
40#include <sys/time.h>
41#include <sys/bio.h>
42#include <sys/limits.h>
43#include <sys/malloc.h>
44#include <sys/mtio.h>
45#ifdef _KERNEL
46#include <sys/conf.h>
47#include <sys/sbuf.h>
46#include <sys/sysctl.h>
47#include <sys/taskqueue.h>
48#endif
49#include <sys/fcntl.h>
50#include <sys/devicestat.h>
51
52#ifndef _KERNEL
53#include <stdio.h>

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64#include <cam/scsi/scsi_message.h>
65#include <cam/scsi/scsi_sa.h>
66
67#ifdef _KERNEL
68
69#include <opt_sa.h>
70
71#ifndef SA_IO_TIMEOUT
48#include <sys/sysctl.h>
49#include <sys/taskqueue.h>
50#endif
51#include <sys/fcntl.h>
52#include <sys/devicestat.h>
53
54#ifndef _KERNEL
55#include <stdio.h>

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66#include <cam/scsi/scsi_message.h>
67#include <cam/scsi/scsi_sa.h>
68
69#ifdef _KERNEL
70
71#include <opt_sa.h>
72
73#ifndef SA_IO_TIMEOUT
72#define SA_IO_TIMEOUT 4
74#define SA_IO_TIMEOUT 32
73#endif
74#ifndef SA_SPACE_TIMEOUT
75#define SA_SPACE_TIMEOUT 1 * 60
76#endif
77#ifndef SA_REWIND_TIMEOUT
78#define SA_REWIND_TIMEOUT 2 * 60
79#endif
80#ifndef SA_ERASE_TIMEOUT
81#define SA_ERASE_TIMEOUT 4 * 60
82#endif
75#endif
76#ifndef SA_SPACE_TIMEOUT
77#define SA_SPACE_TIMEOUT 1 * 60
78#endif
79#ifndef SA_REWIND_TIMEOUT
80#define SA_REWIND_TIMEOUT 2 * 60
81#endif
82#ifndef SA_ERASE_TIMEOUT
83#define SA_ERASE_TIMEOUT 4 * 60
84#endif
85#ifndef SA_REP_DENSITY_TIMEOUT
86#define SA_REP_DENSITY_TIMEOUT 90
87#endif
83
84#define SCSIOP_TIMEOUT (60 * 1000) /* not an option */
85
86#define IO_TIMEOUT (SA_IO_TIMEOUT * 60 * 1000)
87#define REWIND_TIMEOUT (SA_REWIND_TIMEOUT * 60 * 1000)
88#define ERASE_TIMEOUT (SA_ERASE_TIMEOUT * 60 * 1000)
89#define SPACE_TIMEOUT (SA_SPACE_TIMEOUT * 60 * 1000)
88
89#define SCSIOP_TIMEOUT (60 * 1000) /* not an option */
90
91#define IO_TIMEOUT (SA_IO_TIMEOUT * 60 * 1000)
92#define REWIND_TIMEOUT (SA_REWIND_TIMEOUT * 60 * 1000)
93#define ERASE_TIMEOUT (SA_ERASE_TIMEOUT * 60 * 1000)
94#define SPACE_TIMEOUT (SA_SPACE_TIMEOUT * 60 * 1000)
95#define REP_DENSITY_TIMEOUT (SA_REP_DENSITY_TIMEOUT * 60 * 1000)
90
91/*
92 * Additional options that can be set for config: SA_1FM_AT_EOT
93 */
94
95#ifndef UNUSED_PARAMETER
96#define UNUSED_PARAMETER(x) x = x
97#endif

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128 SA_FLAG_EIO_PENDING = 0x0080,
129 SA_FLAG_EOF_PENDING = 0x0100,
130 SA_FLAG_ERR_PENDING = (SA_FLAG_EOM_PENDING|SA_FLAG_EIO_PENDING|
131 SA_FLAG_EOF_PENDING),
132 SA_FLAG_INVALID = 0x0200,
133 SA_FLAG_COMP_ENABLED = 0x0400,
134 SA_FLAG_COMP_SUPP = 0x0800,
135 SA_FLAG_COMP_UNSUPP = 0x1000,
96
97/*
98 * Additional options that can be set for config: SA_1FM_AT_EOT
99 */
100
101#ifndef UNUSED_PARAMETER
102#define UNUSED_PARAMETER(x) x = x
103#endif

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134 SA_FLAG_EIO_PENDING = 0x0080,
135 SA_FLAG_EOF_PENDING = 0x0100,
136 SA_FLAG_ERR_PENDING = (SA_FLAG_EOM_PENDING|SA_FLAG_EIO_PENDING|
137 SA_FLAG_EOF_PENDING),
138 SA_FLAG_INVALID = 0x0200,
139 SA_FLAG_COMP_ENABLED = 0x0400,
140 SA_FLAG_COMP_SUPP = 0x0800,
141 SA_FLAG_COMP_UNSUPP = 0x1000,
136 SA_FLAG_TAPE_FROZEN = 0x2000
142 SA_FLAG_TAPE_FROZEN = 0x2000,
143 SA_FLAG_PROTECT_SUPP = 0x4000,
144
145 SA_FLAG_COMPRESSION = (SA_FLAG_COMP_SUPP|SA_FLAG_COMP_ENABLED|
146 SA_FLAG_COMP_UNSUPP),
147 SA_FLAG_SCTX_INIT = 0x8000
137} sa_flags;
138
139typedef enum {
140 SA_MODE_REWIND = 0x00,
141 SA_MODE_NOREWIND = 0x01,
142 SA_MODE_OFFLINE = 0x02
143} sa_mode;
144
145typedef enum {
148} sa_flags;
149
150typedef enum {
151 SA_MODE_REWIND = 0x00,
152 SA_MODE_NOREWIND = 0x01,
153 SA_MODE_OFFLINE = 0x02
154} sa_mode;
155
156typedef enum {
146 SA_PARAM_NONE = 0x00,
147 SA_PARAM_BLOCKSIZE = 0x01,
148 SA_PARAM_DENSITY = 0x02,
149 SA_PARAM_COMPRESSION = 0x04,
150 SA_PARAM_BUFF_MODE = 0x08,
151 SA_PARAM_NUMBLOCKS = 0x10,
152 SA_PARAM_WP = 0x20,
153 SA_PARAM_SPEED = 0x40,
154 SA_PARAM_ALL = 0x7f
157 SA_PARAM_NONE = 0x000,
158 SA_PARAM_BLOCKSIZE = 0x001,
159 SA_PARAM_DENSITY = 0x002,
160 SA_PARAM_COMPRESSION = 0x004,
161 SA_PARAM_BUFF_MODE = 0x008,
162 SA_PARAM_NUMBLOCKS = 0x010,
163 SA_PARAM_WP = 0x020,
164 SA_PARAM_SPEED = 0x040,
165 SA_PARAM_DENSITY_EXT = 0x080,
166 SA_PARAM_LBP = 0x100,
167 SA_PARAM_ALL = 0x1ff
155} sa_params;
156
157typedef enum {
168} sa_params;
169
170typedef enum {
158 SA_QUIRK_NONE = 0x00,
159 SA_QUIRK_NOCOMP = 0x01, /* Can't deal with compression at all */
160 SA_QUIRK_FIXED = 0x02, /* Force fixed mode */
161 SA_QUIRK_VARIABLE = 0x04, /* Force variable mode */
162 SA_QUIRK_2FM = 0x08, /* Needs Two File Marks at EOD */
163 SA_QUIRK_1FM = 0x10, /* No more than 1 File Mark at EOD */
164 SA_QUIRK_NODREAD = 0x20, /* Don't try and dummy read density */
165 SA_QUIRK_NO_MODESEL = 0x40, /* Don't do mode select at all */
166 SA_QUIRK_NO_CPAGE = 0x80 /* Don't use DEVICE COMPRESSION page */
171 SA_QUIRK_NONE = 0x000,
172 SA_QUIRK_NOCOMP = 0x001, /* Can't deal with compression at all*/
173 SA_QUIRK_FIXED = 0x002, /* Force fixed mode */
174 SA_QUIRK_VARIABLE = 0x004, /* Force variable mode */
175 SA_QUIRK_2FM = 0x008, /* Needs Two File Marks at EOD */
176 SA_QUIRK_1FM = 0x010, /* No more than 1 File Mark at EOD */
177 SA_QUIRK_NODREAD = 0x020, /* Don't try and dummy read density */
178 SA_QUIRK_NO_MODESEL = 0x040, /* Don't do mode select at all */
179 SA_QUIRK_NO_CPAGE = 0x080, /* Don't use DEVICE COMPRESSION page */
180 SA_QUIRK_NO_LONG_POS = 0x100 /* No long position information */
167} sa_quirks;
168
169#define SA_QUIRK_BIT_STRING \
170 "\020" \
171 "\001NOCOMP" \
172 "\002FIXED" \
173 "\003VARIABLE" \
174 "\0042FM" \
175 "\0051FM" \
176 "\006NODREAD" \
177 "\007NO_MODESEL" \
181} sa_quirks;
182
183#define SA_QUIRK_BIT_STRING \
184 "\020" \
185 "\001NOCOMP" \
186 "\002FIXED" \
187 "\003VARIABLE" \
188 "\0042FM" \
189 "\0051FM" \
190 "\006NODREAD" \
191 "\007NO_MODESEL" \
178 "\010NO_CPAGE"
192 "\010NO_CPAGE" \
193 "\011NO_LONG_POS"
179
180#define SAMODE(z) (dev2unit(z) & 0x3)
194
195#define SAMODE(z) (dev2unit(z) & 0x3)
181#define SADENSITY(z) ((dev2unit(z) >> 2) & 0x3)
182#define SA_IS_CTRL(z) (dev2unit(z) & (1 << 4))
183
184#define SA_NOT_CTLDEV 0
185#define SA_CTLDEV 1
186
187#define SA_ATYPE_R 0
188#define SA_ATYPE_NR 1
189#define SA_ATYPE_ER 2
196#define SA_IS_CTRL(z) (dev2unit(z) & (1 << 4))
197
198#define SA_NOT_CTLDEV 0
199#define SA_CTLDEV 1
200
201#define SA_ATYPE_R 0
202#define SA_ATYPE_NR 1
203#define SA_ATYPE_ER 2
204#define SA_NUM_ATYPES 3
190
205
191#define SAMINOR(ctl, mode, access) \
192 ((ctl << 4) | (mode << 2) | (access & 0x3))
206#define SAMINOR(ctl, access) \
207 ((ctl << 4) | (access & 0x3))
193
208
194#define SA_NUM_MODES 4
195struct sa_devs {
196 struct cdev *ctl_dev;
209struct sa_devs {
210 struct cdev *ctl_dev;
197 struct sa_mode_devs {
198 struct cdev *r_dev;
199 struct cdev *nr_dev;
200 struct cdev *er_dev;
201 } mode_devs[SA_NUM_MODES];
211 struct cdev *r_dev;
212 struct cdev *nr_dev;
213 struct cdev *er_dev;
202};
203
214};
215
216#define SASBADDBASE(sb, indent, data, xfmt, name, type, xsize, desc) \
217 sbuf_printf(sb, "%*s<%s type=\"%s\" size=\"%zd\" " \
218 "fmt=\"%s\" desc=\"%s\">" #xfmt "</%s>\n", indent, "", \
219 #name, #type, xsize, #xfmt, desc ? desc : "", data, #name);
220
221#define SASBADDINT(sb, indent, data, fmt, name) \
222 SASBADDBASE(sb, indent, data, fmt, name, int, sizeof(data), \
223 NULL)
224
225#define SASBADDINTDESC(sb, indent, data, fmt, name, desc) \
226 SASBADDBASE(sb, indent, data, fmt, name, int, sizeof(data), \
227 desc)
228
229#define SASBADDUINT(sb, indent, data, fmt, name) \
230 SASBADDBASE(sb, indent, data, fmt, name, uint, sizeof(data), \
231 NULL)
232
233#define SASBADDUINTDESC(sb, indent, data, fmt, name, desc) \
234 SASBADDBASE(sb, indent, data, fmt, name, uint, sizeof(data), \
235 desc)
236
237#define SASBADDFIXEDSTR(sb, indent, data, fmt, name) \
238 SASBADDBASE(sb, indent, data, fmt, name, str, sizeof(data), \
239 NULL)
240
241#define SASBADDFIXEDSTRDESC(sb, indent, data, fmt, name, desc) \
242 SASBADDBASE(sb, indent, data, fmt, name, str, sizeof(data), \
243 desc)
244
245#define SASBADDVARSTR(sb, indent, data, fmt, name, maxlen) \
246 SASBADDBASE(sb, indent, data, fmt, name, str, maxlen, NULL)
247
248#define SASBADDVARSTRDESC(sb, indent, data, fmt, name, maxlen, desc) \
249 SASBADDBASE(sb, indent, data, fmt, name, str, maxlen, desc)
250
251#define SASBADDNODE(sb, indent, name) { \
252 sbuf_printf(sb, "%*s<%s type=\"%s\">\n", indent, "", #name, \
253 "node"); \
254 indent += 2; \
255}
256
257#define SASBADDNODENUM(sb, indent, name, num) { \
258 sbuf_printf(sb, "%*s<%s type=\"%s\" num=\"%d\">\n", indent, "", \
259 #name, "node", num); \
260 indent += 2; \
261}
262
263#define SASBENDNODE(sb, indent, name) { \
264 indent -= 2; \
265 sbuf_printf(sb, "%*s</%s>\n", indent, "", #name); \
266}
267
268#define SA_DENSITY_TYPES 4
269
270struct sa_prot_state {
271 int initialized;
272 uint32_t prot_method;
273 uint32_t pi_length;
274 uint32_t lbp_w;
275 uint32_t lbp_r;
276 uint32_t rbdp;
277};
278
279struct sa_prot_info {
280 struct sa_prot_state cur_prot_state;
281 struct sa_prot_state pending_prot_state;
282};
283
284/*
285 * A table mapping protection parameters to their types and values.
286 */
287struct sa_prot_map {
288 char *name;
289 mt_param_set_type param_type;
290 off_t offset;
291 uint32_t min_val;
292 uint32_t max_val;
293 uint32_t *value;
294} sa_prot_table[] = {
295 { "prot_method", MT_PARAM_SET_UNSIGNED,
296 __offsetof(struct sa_prot_state, prot_method),
297 /*min_val*/ 0, /*max_val*/ 255, NULL },
298 { "pi_length", MT_PARAM_SET_UNSIGNED,
299 __offsetof(struct sa_prot_state, pi_length),
300 /*min_val*/ 0, /*max_val*/ SA_CTRL_DP_PI_LENGTH_MASK, NULL },
301 { "lbp_w", MT_PARAM_SET_UNSIGNED,
302 __offsetof(struct sa_prot_state, lbp_w),
303 /*min_val*/ 0, /*max_val*/ 1, NULL },
304 { "lbp_r", MT_PARAM_SET_UNSIGNED,
305 __offsetof(struct sa_prot_state, lbp_r),
306 /*min_val*/ 0, /*max_val*/ 1, NULL },
307 { "rbdp", MT_PARAM_SET_UNSIGNED,
308 __offsetof(struct sa_prot_state, rbdp),
309 /*min_val*/ 0, /*max_val*/ 1, NULL }
310};
311
312#define SA_NUM_PROT_ENTS sizeof(sa_prot_table)/sizeof(sa_prot_table[0])
313
314#define SA_PROT_ENABLED(softc) ((softc->flags & SA_FLAG_PROTECT_SUPP) \
315 && (softc->prot_info.cur_prot_state.initialized != 0) \
316 && (softc->prot_info.cur_prot_state.prot_method != 0))
317
318#define SA_PROT_LEN(softc) softc->prot_info.cur_prot_state.pi_length
319
204struct sa_softc {
205 sa_state state;
206 sa_flags flags;
207 sa_quirks quirks;
208 u_int si_flags;
320struct sa_softc {
321 sa_state state;
322 sa_flags flags;
323 sa_quirks quirks;
324 u_int si_flags;
325 struct cam_periph *periph;
209 struct bio_queue_head bio_queue;
210 int queue_count;
211 struct devstat *device_stats;
212 struct sa_devs devs;
326 struct bio_queue_head bio_queue;
327 int queue_count;
328 struct devstat *device_stats;
329 struct sa_devs devs;
330 int open_count;
331 int num_devs_to_destroy;
213 int blk_gran;
214 int blk_mask;
215 int blk_shift;
216 u_int32_t max_blk;
217 u_int32_t min_blk;
218 u_int32_t maxio;
219 u_int32_t cpi_maxio;
220 int allow_io_split;

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226 u_int8_t media_density;
227 u_int8_t speed;
228 u_int8_t scsi_rev;
229 u_int8_t dsreg; /* mtio mt_dsreg, redux */
230 int buffer_mode;
231 int filemarks;
232 union ccb saved_ccb;
233 int last_resid_was_io;
332 int blk_gran;
333 int blk_mask;
334 int blk_shift;
335 u_int32_t max_blk;
336 u_int32_t min_blk;
337 u_int32_t maxio;
338 u_int32_t cpi_maxio;
339 int allow_io_split;

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345 u_int8_t media_density;
346 u_int8_t speed;
347 u_int8_t scsi_rev;
348 u_int8_t dsreg; /* mtio mt_dsreg, redux */
349 int buffer_mode;
350 int filemarks;
351 union ccb saved_ccb;
352 int last_resid_was_io;
353 uint8_t density_type_bits[SA_DENSITY_TYPES];
354 int density_info_valid[SA_DENSITY_TYPES];
355 uint8_t density_info[SA_DENSITY_TYPES][SRDS_MAX_LENGTH];
234
356
357 struct sa_prot_info prot_info;
358
359 int sili;
360 int eot_warn;
361
235 /*
362 /*
236 * Relative to BOT Location.
363 * Current position information. -1 means that the given value is
364 * unknown. fileno and blkno are always calculated. blkno is
365 * relative to the previous file mark. rep_fileno and rep_blkno
366 * are as reported by the drive, if it supports the long form
367 * report for the READ POSITION command. rep_blkno is relative to
368 * the beginning of the partition.
369 *
370 * bop means that the drive is at the beginning of the partition.
371 * eop means that the drive is between early warning and end of
372 * partition, inside the current partition.
373 * bpew means that the position is in a PEWZ (Programmable Early
374 * Warning Zone)
237 */
375 */
238 daddr_t fileno;
239 daddr_t blkno;
376 daddr_t partition; /* Absolute from BOT */
377 daddr_t fileno; /* Relative to beginning of partition */
378 daddr_t blkno; /* Relative to last file mark */
379 daddr_t rep_blkno; /* Relative to beginning of partition */
380 daddr_t rep_fileno; /* Relative to beginning of partition */
381 int bop; /* Beginning of Partition */
382 int eop; /* End of Partition */
383 int bpew; /* Beyond Programmable Early Warning */
240
241 /*
242 * Latched Error Info
243 */
244 struct {
245 struct scsi_sense_data _last_io_sense;
246 u_int64_t _last_io_resid;
247 u_int8_t _last_io_cdb[CAM_MAX_CDBLEN];

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398static int sacheckeod(struct cam_periph *periph);
399static int sagetparams(struct cam_periph *periph,
400 sa_params params_to_get,
401 u_int32_t *blocksize, u_int8_t *density,
402 u_int32_t *numblocks, int *buff_mode,
403 u_int8_t *write_protect, u_int8_t *speed,
404 int *comp_supported, int *comp_enabled,
405 u_int32_t *comp_algorithm,
384
385 /*
386 * Latched Error Info
387 */
388 struct {
389 struct scsi_sense_data _last_io_sense;
390 u_int64_t _last_io_resid;
391 u_int8_t _last_io_cdb[CAM_MAX_CDBLEN];

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542static int sacheckeod(struct cam_periph *periph);
543static int sagetparams(struct cam_periph *periph,
544 sa_params params_to_get,
545 u_int32_t *blocksize, u_int8_t *density,
546 u_int32_t *numblocks, int *buff_mode,
547 u_int8_t *write_protect, u_int8_t *speed,
548 int *comp_supported, int *comp_enabled,
549 u_int32_t *comp_algorithm,
406 sa_comp_t *comp_page);
550 sa_comp_t *comp_page,
551 struct scsi_control_data_prot_subpage
552 *prot_page, int dp_size,
553 int prot_changeable);
554static int sasetprot(struct cam_periph *periph,
555 struct sa_prot_state *new_prot);
407static int sasetparams(struct cam_periph *periph,
408 sa_params params_to_set,
409 u_int32_t blocksize, u_int8_t density,
410 u_int32_t comp_algorithm,
411 u_int32_t sense_flags);
556static int sasetparams(struct cam_periph *periph,
557 sa_params params_to_set,
558 u_int32_t blocksize, u_int8_t density,
559 u_int32_t comp_algorithm,
560 u_int32_t sense_flags);
561static int sasetsili(struct cam_periph *periph,
562 struct mtparamset *ps, int num_params);
563static int saseteotwarn(struct cam_periph *periph,
564 struct mtparamset *ps, int num_params);
565static void safillprot(struct sa_softc *softc, int *indent,
566 struct sbuf *sb);
567static void sapopulateprots(struct sa_prot_state *cur_state,
568 struct sa_prot_map *new_table,
569 int table_ents);
570static struct sa_prot_map *safindprotent(char *name, struct sa_prot_map *table,
571 int table_ents);
572static int sasetprotents(struct cam_periph *periph,
573 struct mtparamset *ps, int num_params);
574static struct sa_param_ent *safindparament(struct mtparamset *ps);
575static int saparamsetlist(struct cam_periph *periph,
576 struct mtsetlist *list, int need_copy);
577static int saextget(struct cdev *dev, struct cam_periph *periph,
578 struct sbuf *sb, struct mtextget *g);
579static int saparamget(struct sa_softc *softc, struct sbuf *sb);
412static void saprevent(struct cam_periph *periph, int action);
413static int sarewind(struct cam_periph *periph);
414static int saspace(struct cam_periph *periph, int count,
415 scsi_space_code code);
580static void saprevent(struct cam_periph *periph, int action);
581static int sarewind(struct cam_periph *periph);
582static int saspace(struct cam_periph *periph, int count,
583 scsi_space_code code);
584static void sadevgonecb(void *arg);
585static void sasetupdev(struct sa_softc *softc, struct cdev *dev);
416static int samount(struct cam_periph *, int, struct cdev *);
417static int saretension(struct cam_periph *periph);
418static int sareservereleaseunit(struct cam_periph *periph,
419 int reserve);
420static int saloadunload(struct cam_periph *periph, int load);
421static int saerase(struct cam_periph *periph, int longerase);
422static int sawritefilemarks(struct cam_periph *periph,
586static int samount(struct cam_periph *, int, struct cdev *);
587static int saretension(struct cam_periph *periph);
588static int sareservereleaseunit(struct cam_periph *periph,
589 int reserve);
590static int saloadunload(struct cam_periph *periph, int load);
591static int saerase(struct cam_periph *periph, int longerase);
592static int sawritefilemarks(struct cam_periph *periph,
423 int nmarks, int setmarks);
593 int nmarks, int setmarks, int immed);
594static int sagetpos(struct cam_periph *periph);
424static int sardpos(struct cam_periph *periph, int, u_int32_t *);
595static int sardpos(struct cam_periph *periph, int, u_int32_t *);
425static int sasetpos(struct cam_periph *periph, int, u_int32_t *);
596static int sasetpos(struct cam_periph *periph, int,
597 struct mtlocate *);
598static void safilldenstypesb(struct sbuf *sb, int *indent,
599 uint8_t *buf, int buf_len,
600 int is_density);
601static void safilldensitysb(struct sa_softc *softc, int *indent,
602 struct sbuf *sb);
426
427
428#ifndef SA_DEFAULT_IO_SPLIT
429#define SA_DEFAULT_IO_SPLIT 0
430#endif
431
432static int sa_allow_io_split = SA_DEFAULT_IO_SPLIT;
433

--- 25 unchanged lines hidden (view full) ---

459 .d_version = D_VERSION,
460 .d_open = saopen,
461 .d_close = saclose,
462 .d_read = physread,
463 .d_write = physwrite,
464 .d_ioctl = saioctl,
465 .d_strategy = sastrategy,
466 .d_name = "sa",
603
604
605#ifndef SA_DEFAULT_IO_SPLIT
606#define SA_DEFAULT_IO_SPLIT 0
607#endif
608
609static int sa_allow_io_split = SA_DEFAULT_IO_SPLIT;
610

--- 25 unchanged lines hidden (view full) ---

636 .d_version = D_VERSION,
637 .d_open = saopen,
638 .d_close = saclose,
639 .d_read = physread,
640 .d_write = physwrite,
641 .d_ioctl = saioctl,
642 .d_strategy = sastrategy,
643 .d_name = "sa",
467 .d_flags = D_TAPE,
644 .d_flags = D_TAPE | D_TRACKCLOSE,
468};
469
470static int
471saopen(struct cdev *dev, int flags, int fmt, struct thread *td)
472{
473 struct cam_periph *periph;
474 struct sa_softc *softc;
475 int error;

--- 7 unchanged lines hidden (view full) ---

483
484 softc = (struct sa_softc *)periph->softc;
485
486 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE|CAM_DEBUG_INFO,
487 ("saopen(%s): softc=0x%x\n", devtoname(dev), softc->flags));
488
489 if (SA_IS_CTRL(dev)) {
490 softc->ctrl_mode = 1;
645};
646
647static int
648saopen(struct cdev *dev, int flags, int fmt, struct thread *td)
649{
650 struct cam_periph *periph;
651 struct sa_softc *softc;
652 int error;

--- 7 unchanged lines hidden (view full) ---

660
661 softc = (struct sa_softc *)periph->softc;
662
663 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE|CAM_DEBUG_INFO,
664 ("saopen(%s): softc=0x%x\n", devtoname(dev), softc->flags));
665
666 if (SA_IS_CTRL(dev)) {
667 softc->ctrl_mode = 1;
668 softc->open_count++;
491 cam_periph_unlock(periph);
492 return (0);
493 }
494
495 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
496 cam_periph_unlock(periph);
497 cam_periph_release(periph);
498 return (error);

--- 15 unchanged lines hidden (view full) ---

514 *
515 * If the mount fails and this was a non-blocking open,
516 * make this a 'open_pending_mount' action.
517 */
518 error = samount(periph, flags, dev);
519 if (error && (flags & O_NONBLOCK)) {
520 softc->flags |= SA_FLAG_OPEN;
521 softc->open_pending_mount = 1;
669 cam_periph_unlock(periph);
670 return (0);
671 }
672
673 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
674 cam_periph_unlock(periph);
675 cam_periph_release(periph);
676 return (error);

--- 15 unchanged lines hidden (view full) ---

692 *
693 * If the mount fails and this was a non-blocking open,
694 * make this a 'open_pending_mount' action.
695 */
696 error = samount(periph, flags, dev);
697 if (error && (flags & O_NONBLOCK)) {
698 softc->flags |= SA_FLAG_OPEN;
699 softc->open_pending_mount = 1;
700 softc->open_count++;
522 cam_periph_unhold(periph);
523 cam_periph_unlock(periph);
524 return (0);
525 }
526 }
527
528 if (error) {
529 cam_periph_unhold(periph);
530 cam_periph_unlock(periph);
531 cam_periph_release(periph);
532 return (error);
533 }
534
535 saprevent(periph, PR_PREVENT);
536 softc->flags |= SA_FLAG_OPEN;
701 cam_periph_unhold(periph);
702 cam_periph_unlock(periph);
703 return (0);
704 }
705 }
706
707 if (error) {
708 cam_periph_unhold(periph);
709 cam_periph_unlock(periph);
710 cam_periph_release(periph);
711 return (error);
712 }
713
714 saprevent(periph, PR_PREVENT);
715 softc->flags |= SA_FLAG_OPEN;
716 softc->open_count++;
537
538 cam_periph_unhold(periph);
539 cam_periph_unlock(periph);
540 return (error);
541}
542
543static int
544saclose(struct cdev *dev, int flag, int fmt, struct thread *td)
545{
546 struct cam_periph *periph;
547 struct sa_softc *softc;
717
718 cam_periph_unhold(periph);
719 cam_periph_unlock(periph);
720 return (error);
721}
722
723static int
724saclose(struct cdev *dev, int flag, int fmt, struct thread *td)
725{
726 struct cam_periph *periph;
727 struct sa_softc *softc;
548 int mode, error, writing, tmp;
728 int mode, error, writing, tmp, i;
549 int closedbits = SA_FLAG_OPEN;
550
551 mode = SAMODE(dev);
552 periph = (struct cam_periph *)dev->si_drv1;
553 if (periph == NULL)
554 return (ENXIO);
555
556 cam_periph_lock(periph);
557
558 softc = (struct sa_softc *)periph->softc;
559
560 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE|CAM_DEBUG_INFO,
561 ("saclose(%s): softc=0x%x\n", devtoname(dev), softc->flags));
562
563
564 softc->open_rdonly = 0;
565 if (SA_IS_CTRL(dev)) {
566 softc->ctrl_mode = 0;
729 int closedbits = SA_FLAG_OPEN;
730
731 mode = SAMODE(dev);
732 periph = (struct cam_periph *)dev->si_drv1;
733 if (periph == NULL)
734 return (ENXIO);
735
736 cam_periph_lock(periph);
737
738 softc = (struct sa_softc *)periph->softc;
739
740 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE|CAM_DEBUG_INFO,
741 ("saclose(%s): softc=0x%x\n", devtoname(dev), softc->flags));
742
743
744 softc->open_rdonly = 0;
745 if (SA_IS_CTRL(dev)) {
746 softc->ctrl_mode = 0;
747 softc->open_count--;
567 cam_periph_unlock(periph);
568 cam_periph_release(periph);
569 return (0);
570 }
571
572 if (softc->open_pending_mount) {
573 softc->flags &= ~SA_FLAG_OPEN;
574 softc->open_pending_mount = 0;
748 cam_periph_unlock(periph);
749 cam_periph_release(periph);
750 return (0);
751 }
752
753 if (softc->open_pending_mount) {
754 softc->flags &= ~SA_FLAG_OPEN;
755 softc->open_pending_mount = 0;
756 softc->open_count--;
575 cam_periph_unlock(periph);
576 cam_periph_release(periph);
577 return (0);
578 }
579
580 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) {
581 cam_periph_unlock(periph);
582 return (error);

--- 88 unchanged lines hidden (view full) ---

671 */
672 softc->filemarks = 0;
673 softc->flags &= ~SA_FLAG_TAPE_WRITTEN;
674
675 /*
676 * And we are no longer open for business.
677 */
678 softc->flags &= ~closedbits;
757 cam_periph_unlock(periph);
758 cam_periph_release(periph);
759 return (0);
760 }
761
762 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) {
763 cam_periph_unlock(periph);
764 return (error);

--- 88 unchanged lines hidden (view full) ---

853 */
854 softc->filemarks = 0;
855 softc->flags &= ~SA_FLAG_TAPE_WRITTEN;
856
857 /*
858 * And we are no longer open for business.
859 */
860 softc->flags &= ~closedbits;
861 softc->open_count--;
679
680 /*
862
863 /*
864 * Invalidate any density information that depends on having tape
865 * media in the drive.
866 */
867 for (i = 0; i < SA_DENSITY_TYPES; i++) {
868 if (softc->density_type_bits[i] & SRDS_MEDIA)
869 softc->density_info_valid[i] = 0;
870 }
871
872 /*
681 * Inform users if tape state if frozen....
682 */
683 if (softc->flags & SA_FLAG_TAPE_FROZEN) {
684 xpt_print(periph->path, "tape is now frozen- use an OFFLINE, "
685 "REWIND or MTEOM command to clear this state.\n");
686 }
687
688 /* release the device if it is no longer mounted */

--- 130 unchanged lines hidden (view full) ---

819 * Schedule ourselves for performing the work.
820 */
821 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
822 cam_periph_unlock(periph);
823
824 return;
825}
826
873 * Inform users if tape state if frozen....
874 */
875 if (softc->flags & SA_FLAG_TAPE_FROZEN) {
876 xpt_print(periph->path, "tape is now frozen- use an OFFLINE, "
877 "REWIND or MTEOM command to clear this state.\n");
878 }
879
880 /* release the device if it is no longer mounted */

--- 130 unchanged lines hidden (view full) ---

1011 * Schedule ourselves for performing the work.
1012 */
1013 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1014 cam_periph_unlock(periph);
1015
1016 return;
1017}
1018
1019static int
1020sasetsili(struct cam_periph *periph, struct mtparamset *ps, int num_params)
1021{
1022 uint32_t sili_blocksize;
1023 struct sa_softc *softc;
1024 int error;
827
1025
1026 error = 0;
1027 softc = (struct sa_softc *)periph->softc;
1028
1029 if (ps->value_type != MT_PARAM_SET_SIGNED) {
1030 snprintf(ps->error_str, sizeof(ps->error_str),
1031 "sili is a signed parameter");
1032 goto bailout;
1033 }
1034 if ((ps->value.value_signed < 0)
1035 || (ps->value.value_signed > 1)) {
1036 snprintf(ps->error_str, sizeof(ps->error_str),
1037 "invalid sili value %jd", (intmax_t)ps->value.value_signed);
1038 goto bailout_error;
1039 }
1040 /*
1041 * We only set the SILI flag in variable block
1042 * mode. You'll get a check condition in fixed
1043 * block mode if things don't line up in any case.
1044 */
1045 if (softc->flags & SA_FLAG_FIXED) {
1046 snprintf(ps->error_str, sizeof(ps->error_str),
1047 "can't set sili bit in fixed block mode");
1048 goto bailout_error;
1049 }
1050 if (softc->sili == ps->value.value_signed)
1051 goto bailout;
1052
1053 if (ps->value.value_signed == 1)
1054 sili_blocksize = 4;
1055 else
1056 sili_blocksize = 0;
1057
1058 error = sasetparams(periph, SA_PARAM_BLOCKSIZE,
1059 sili_blocksize, 0, 0, SF_QUIET_IR);
1060 if (error != 0) {
1061 snprintf(ps->error_str, sizeof(ps->error_str),
1062 "sasetparams() returned error %d", error);
1063 goto bailout_error;
1064 }
1065
1066 softc->sili = ps->value.value_signed;
1067
1068bailout:
1069 ps->status = MT_PARAM_STATUS_OK;
1070 return (error);
1071
1072bailout_error:
1073 ps->status = MT_PARAM_STATUS_ERROR;
1074 if (error == 0)
1075 error = EINVAL;
1076
1077 return (error);
1078}
1079
1080static int
1081saseteotwarn(struct cam_periph *periph, struct mtparamset *ps, int num_params)
1082{
1083 struct sa_softc *softc;
1084 int error;
1085
1086 error = 0;
1087 softc = (struct sa_softc *)periph->softc;
1088
1089 if (ps->value_type != MT_PARAM_SET_SIGNED) {
1090 snprintf(ps->error_str, sizeof(ps->error_str),
1091 "eot_warn is a signed parameter");
1092 ps->status = MT_PARAM_STATUS_ERROR;
1093 goto bailout;
1094 }
1095 if ((ps->value.value_signed < 0)
1096 || (ps->value.value_signed > 1)) {
1097 snprintf(ps->error_str, sizeof(ps->error_str),
1098 "invalid eot_warn value %jd\n",
1099 (intmax_t)ps->value.value_signed);
1100 ps->status = MT_PARAM_STATUS_ERROR;
1101 goto bailout;
1102 }
1103 softc->eot_warn = ps->value.value_signed;
1104 ps->status = MT_PARAM_STATUS_OK;
1105bailout:
1106 if (ps->status != MT_PARAM_STATUS_OK)
1107 error = EINVAL;
1108
1109 return (error);
1110}
1111
1112
1113static void
1114safillprot(struct sa_softc *softc, int *indent, struct sbuf *sb)
1115{
1116 int tmpint;
1117
1118 SASBADDNODE(sb, *indent, protection);
1119 if (softc->flags & SA_FLAG_PROTECT_SUPP)
1120 tmpint = 1;
1121 else
1122 tmpint = 0;
1123 SASBADDINTDESC(sb, *indent, tmpint, %d, protection_supported,
1124 "Set to 1 if protection information is supported");
1125
1126 if ((tmpint != 0)
1127 && (softc->prot_info.cur_prot_state.initialized != 0)) {
1128 struct sa_prot_state *prot;
1129
1130 prot = &softc->prot_info.cur_prot_state;
1131
1132 SASBADDUINTDESC(sb, *indent, prot->prot_method, %u,
1133 prot_method, "Current Protection Method");
1134 SASBADDUINTDESC(sb, *indent, prot->pi_length, %u,
1135 pi_length, "Length of Protection Information");
1136 SASBADDUINTDESC(sb, *indent, prot->lbp_w, %u,
1137 lbp_w, "Check Protection on Writes");
1138 SASBADDUINTDESC(sb, *indent, prot->lbp_r, %u,
1139 lbp_r, "Check and Include Protection on Reads");
1140 SASBADDUINTDESC(sb, *indent, prot->rbdp, %u,
1141 rbdp, "Transfer Protection Information for RECOVER "
1142 "BUFFERED DATA command");
1143 }
1144 SASBENDNODE(sb, *indent, protection);
1145}
1146
1147static void
1148sapopulateprots(struct sa_prot_state *cur_state, struct sa_prot_map *new_table,
1149 int table_ents)
1150{
1151 int i;
1152
1153 bcopy(sa_prot_table, new_table, min(table_ents * sizeof(*new_table),
1154 sizeof(sa_prot_table)));
1155
1156 table_ents = min(table_ents, SA_NUM_PROT_ENTS);
1157
1158 for (i = 0; i < table_ents; i++)
1159 new_table[i].value = (uint32_t *)((uint8_t *)cur_state +
1160 new_table[i].offset);
1161
1162 return;
1163}
1164
1165static struct sa_prot_map *
1166safindprotent(char *name, struct sa_prot_map *table, int table_ents)
1167{
1168 char *prot_name = "protection.";
1169 int i, prot_len;
1170
1171 prot_len = strlen(prot_name);
1172
1173 /*
1174 * This shouldn't happen, but we check just in case.
1175 */
1176 if (strncmp(name, prot_name, prot_len) != 0)
1177 goto bailout;
1178
1179 for (i = 0; i < table_ents; i++) {
1180 if (strcmp(&name[prot_len], table[i].name) != 0)
1181 continue;
1182 return (&table[i]);
1183 }
1184bailout:
1185 return (NULL);
1186}
1187
1188static int
1189sasetprotents(struct cam_periph *periph, struct mtparamset *ps, int num_params)
1190{
1191 struct sa_softc *softc;
1192 struct sa_prot_map prot_ents[SA_NUM_PROT_ENTS];
1193 struct sa_prot_state new_state;
1194 int error;
1195 int i;
1196
1197 softc = (struct sa_softc *)periph->softc;
1198 error = 0;
1199
1200 /*
1201 * Make sure that this tape drive supports protection information.
1202 * Otherwise we can't set anything.
1203 */
1204 if ((softc->flags & SA_FLAG_PROTECT_SUPP) == 0) {
1205 snprintf(ps[0].error_str, sizeof(ps[0].error_str),
1206 "Protection information is not supported for this device");
1207 ps[0].status = MT_PARAM_STATUS_ERROR;
1208 goto bailout;
1209 }
1210
1211 /*
1212 * We can't operate with physio(9) splitting enabled, because there
1213 * is no way to insure (especially in variable block mode) that
1214 * what the user writes (with a checksum block at the end) will
1215 * make it into the sa(4) driver intact.
1216 */
1217 if ((softc->si_flags & SI_NOSPLIT) == 0) {
1218 snprintf(ps[0].error_str, sizeof(ps[0].error_str),
1219 "Protection information cannot be enabled with I/O "
1220 "splitting");
1221 ps[0].status = MT_PARAM_STATUS_ERROR;
1222 goto bailout;
1223 }
1224
1225 /*
1226 * Take the current cached protection state and use that as the
1227 * basis for our new entries.
1228 */
1229 bcopy(&softc->prot_info.cur_prot_state, &new_state, sizeof(new_state));
1230
1231 /*
1232 * Populate the table mapping property names to pointers into the
1233 * state structure.
1234 */
1235 sapopulateprots(&new_state, prot_ents, SA_NUM_PROT_ENTS);
1236
1237 /*
1238 * For each parameter the user passed in, make sure the name, type
1239 * and value are valid.
1240 */
1241 for (i = 0; i < num_params; i++) {
1242 struct sa_prot_map *ent;
1243
1244 ent = safindprotent(ps[i].value_name, prot_ents,
1245 SA_NUM_PROT_ENTS);
1246 if (ent == NULL) {
1247 ps[i].status = MT_PARAM_STATUS_ERROR;
1248 snprintf(ps[i].error_str, sizeof(ps[i].error_str),
1249 "Invalid protection entry name %s",
1250 ps[i].value_name);
1251 error = EINVAL;
1252 goto bailout;
1253 }
1254 if (ent->param_type != ps[i].value_type) {
1255 ps[i].status = MT_PARAM_STATUS_ERROR;
1256 snprintf(ps[i].error_str, sizeof(ps[i].error_str),
1257 "Supplied type %d does not match actual type %d",
1258 ps[i].value_type, ent->param_type);
1259 error = EINVAL;
1260 goto bailout;
1261 }
1262 if ((ps[i].value.value_unsigned < ent->min_val)
1263 || (ps[i].value.value_unsigned > ent->max_val)) {
1264 ps[i].status = MT_PARAM_STATUS_ERROR;
1265 snprintf(ps[i].error_str, sizeof(ps[i].error_str),
1266 "Value %ju is outside valid range %u - %u",
1267 (uintmax_t)ps[i].value.value_unsigned, ent->min_val,
1268 ent->max_val);
1269 error = EINVAL;
1270 goto bailout;
1271 }
1272 *(ent->value) = ps[i].value.value_unsigned;
1273 }
1274
1275 /*
1276 * Actually send the protection settings to the drive.
1277 */
1278 error = sasetprot(periph, &new_state);
1279 if (error != 0) {
1280 for (i = 0; i < num_params; i++) {
1281 ps[i].status = MT_PARAM_STATUS_ERROR;
1282 snprintf(ps[i].error_str, sizeof(ps[i].error_str),
1283 "Unable to set parameter, see dmesg(8)");
1284 }
1285 goto bailout;
1286 }
1287
1288 /*
1289 * Let the user know that his settings were stored successfully.
1290 */
1291 for (i = 0; i < num_params; i++)
1292 ps[i].status = MT_PARAM_STATUS_OK;
1293
1294bailout:
1295 return (error);
1296}
1297/*
1298 * Entry handlers generally only handle a single entry. Node handlers will
1299 * handle a contiguous range of parameters to set in a single call.
1300 */
1301typedef enum {
1302 SA_PARAM_TYPE_ENTRY,
1303 SA_PARAM_TYPE_NODE
1304} sa_param_type;
1305
1306struct sa_param_ent {
1307 char *name;
1308 sa_param_type param_type;
1309 int (*set_func)(struct cam_periph *periph, struct mtparamset *ps,
1310 int num_params);
1311} sa_param_table[] = {
1312 {"sili", SA_PARAM_TYPE_ENTRY, sasetsili },
1313 {"eot_warn", SA_PARAM_TYPE_ENTRY, saseteotwarn },
1314 {"protection.", SA_PARAM_TYPE_NODE, sasetprotents }
1315};
1316
1317static struct sa_param_ent *
1318safindparament(struct mtparamset *ps)
1319{
1320 unsigned int i;
1321
1322 for (i = 0; i < sizeof(sa_param_table) /sizeof(sa_param_table[0]); i++){
1323 /*
1324 * For entries, we compare all of the characters. For
1325 * nodes, we only compare the first N characters. The node
1326 * handler will decode the rest.
1327 */
1328 if (sa_param_table[i].param_type == SA_PARAM_TYPE_ENTRY) {
1329 if (strcmp(ps->value_name, sa_param_table[i].name) != 0)
1330 continue;
1331 } else {
1332 if (strncmp(ps->value_name, sa_param_table[i].name,
1333 strlen(sa_param_table[i].name)) != 0)
1334 continue;
1335 }
1336 return (&sa_param_table[i]);
1337 }
1338
1339 return (NULL);
1340}
1341
1342/*
1343 * Go through a list of parameters, coalescing contiguous parameters with
1344 * the same parent node into a single call to a set_func.
1345 */
1346static int
1347saparamsetlist(struct cam_periph *periph, struct mtsetlist *list,
1348 int need_copy)
1349{
1350 int i, contig_ents;
1351 int error;
1352 struct mtparamset *params, *first;
1353 struct sa_param_ent *first_ent;
1354
1355 error = 0;
1356 params = NULL;
1357
1358 if (list->num_params == 0)
1359 /* Nothing to do */
1360 goto bailout;
1361
1362 /*
1363 * Verify that the user has the correct structure size.
1364 */
1365 if ((list->num_params * sizeof(struct mtparamset)) !=
1366 list->param_len) {
1367 xpt_print(periph->path, "%s: length of params %d != "
1368 "sizeof(struct mtparamset) %zd * num_params %d\n",
1369 __func__, list->param_len, sizeof(struct mtparamset),
1370 list->num_params);
1371 error = EINVAL;
1372 goto bailout;
1373 }
1374
1375 if (need_copy != 0) {
1376 /*
1377 * XXX KDM will dropping the lock cause an issue here?
1378 */
1379 cam_periph_unlock(periph);
1380 params = malloc(list->param_len, M_SCSISA, M_WAITOK | M_ZERO);
1381 error = copyin(list->params, params, list->param_len);
1382 cam_periph_lock(periph);
1383
1384 if (error != 0)
1385 goto bailout;
1386 } else {
1387 params = list->params;
1388 }
1389
1390 contig_ents = 0;
1391 first = NULL;
1392 first_ent = NULL;
1393 for (i = 0; i < list->num_params; i++) {
1394 struct sa_param_ent *ent;
1395
1396 ent = safindparament(&params[i]);
1397 if (ent == NULL) {
1398 snprintf(params[i].error_str,
1399 sizeof(params[i].error_str),
1400 "%s: cannot find parameter %s", __func__,
1401 params[i].value_name);
1402 params[i].status = MT_PARAM_STATUS_ERROR;
1403 break;
1404 }
1405
1406 if (first != NULL) {
1407 if (first_ent == ent) {
1408 /*
1409 * We're still in a contiguous list of
1410 * parameters that can be handled by one
1411 * node handler.
1412 */
1413 contig_ents++;
1414 continue;
1415 } else {
1416 error = first_ent->set_func(periph, first,
1417 contig_ents);
1418 first = NULL;
1419 first_ent = NULL;
1420 contig_ents = 0;
1421 if (error != 0) {
1422 error = 0;
1423 break;
1424 }
1425 }
1426 }
1427 if (ent->param_type == SA_PARAM_TYPE_NODE) {
1428 first = &params[i];
1429 first_ent = ent;
1430 contig_ents = 1;
1431 } else {
1432 error = ent->set_func(periph, &params[i], 1);
1433 if (error != 0) {
1434 error = 0;
1435 break;
1436 }
1437 }
1438 }
1439 if (first != NULL)
1440 first_ent->set_func(periph, first, contig_ents);
1441
1442bailout:
1443 if (need_copy != 0) {
1444 if (error != EFAULT) {
1445 cam_periph_unlock(periph);
1446 copyout(params, list->params, list->param_len);
1447 cam_periph_lock(periph);
1448 }
1449 free(params, M_SCSISA);
1450 }
1451 return (error);
1452}
1453
1454static int
1455sagetparams_common(struct cdev *dev, struct cam_periph *periph)
1456{
1457 struct sa_softc *softc;
1458 u_int8_t write_protect;
1459 int comp_enabled, comp_supported, error;
1460
1461 softc = (struct sa_softc *)periph->softc;
1462
1463 if (softc->open_pending_mount)
1464 return (0);
1465
1466 /* The control device may issue getparams() if there are no opens. */
1467 if (SA_IS_CTRL(dev) && (softc->flags & SA_FLAG_OPEN) != 0)
1468 return (0);
1469
1470 error = sagetparams(periph, SA_PARAM_ALL, &softc->media_blksize,
1471 &softc->media_density, &softc->media_numblks, &softc->buffer_mode,
1472 &write_protect, &softc->speed, &comp_supported, &comp_enabled,
1473 &softc->comp_algorithm, NULL, NULL, 0, 0);
1474 if (error)
1475 return (error);
1476 if (write_protect)
1477 softc->flags |= SA_FLAG_TAPE_WP;
1478 else
1479 softc->flags &= ~SA_FLAG_TAPE_WP;
1480 softc->flags &= ~SA_FLAG_COMPRESSION;
1481 if (comp_supported) {
1482 if (softc->saved_comp_algorithm == 0)
1483 softc->saved_comp_algorithm =
1484 softc->comp_algorithm;
1485 softc->flags |= SA_FLAG_COMP_SUPP;
1486 if (comp_enabled)
1487 softc->flags |= SA_FLAG_COMP_ENABLED;
1488 } else
1489 softc->flags |= SA_FLAG_COMP_UNSUPP;
1490
1491 return (0);
1492}
1493
828#define PENDING_MOUNT_CHECK(softc, periph, dev) \
829 if (softc->open_pending_mount) { \
830 error = samount(periph, 0, dev); \
831 if (error) { \
832 break; \
833 } \
834 saprevent(periph, PR_PREVENT); \
835 softc->open_pending_mount = 0; \

--- 27 unchanged lines hidden (view full) ---

863 * and MTCOMP (but need to be the only one accessing this
864 * device to run those).
865 */
866
867 if (SA_IS_CTRL(dev)) {
868 switch (cmd) {
869 case MTIOCGETEOTMODEL:
870 case MTIOCGET:
1494#define PENDING_MOUNT_CHECK(softc, periph, dev) \
1495 if (softc->open_pending_mount) { \
1496 error = samount(periph, 0, dev); \
1497 if (error) { \
1498 break; \
1499 } \
1500 saprevent(periph, PR_PREVENT); \
1501 softc->open_pending_mount = 0; \

--- 27 unchanged lines hidden (view full) ---

1529 * and MTCOMP (but need to be the only one accessing this
1530 * device to run those).
1531 */
1532
1533 if (SA_IS_CTRL(dev)) {
1534 switch (cmd) {
1535 case MTIOCGETEOTMODEL:
1536 case MTIOCGET:
1537 case MTIOCEXTGET:
1538 case MTIOCPARAMGET:
1539 case MTIOCRBLIM:
871 break;
872 case MTIOCERRSTAT:
873 /*
874 * If the periph isn't already locked, lock it
875 * so our MTIOCERRSTAT can reset latched error stats.
876 *
877 * If the periph is already locked, skip it because
878 * we're just getting status and it'll be up to the

--- 55 unchanged lines hidden (view full) ---

934 /*
935 * Find the device that the user is talking about
936 */
937 switch (cmd) {
938 case MTIOCGET:
939 {
940 struct mtget *g = (struct mtget *)arg;
941
1540 break;
1541 case MTIOCERRSTAT:
1542 /*
1543 * If the periph isn't already locked, lock it
1544 * so our MTIOCERRSTAT can reset latched error stats.
1545 *
1546 * If the periph is already locked, skip it because
1547 * we're just getting status and it'll be up to the

--- 55 unchanged lines hidden (view full) ---

1603 /*
1604 * Find the device that the user is talking about
1605 */
1606 switch (cmd) {
1607 case MTIOCGET:
1608 {
1609 struct mtget *g = (struct mtget *)arg;
1610
942 /*
943 * If this isn't the control mode device, actually go out
944 * and ask the drive again what it's set to.
945 */
946 if (!SA_IS_CTRL(dev) && !softc->open_pending_mount) {
947 u_int8_t write_protect;
948 int comp_enabled, comp_supported;
949 error = sagetparams(periph, SA_PARAM_ALL,
950 &softc->media_blksize, &softc->media_density,
951 &softc->media_numblks, &softc->buffer_mode,
952 &write_protect, &softc->speed, &comp_supported,
953 &comp_enabled, &softc->comp_algorithm, NULL);
954 if (error)
955 break;
956 if (write_protect)
957 softc->flags |= SA_FLAG_TAPE_WP;
958 else
959 softc->flags &= ~SA_FLAG_TAPE_WP;
960 softc->flags &= ~(SA_FLAG_COMP_SUPP|
961 SA_FLAG_COMP_ENABLED|SA_FLAG_COMP_UNSUPP);
962 if (comp_supported) {
963 if (softc->saved_comp_algorithm == 0)
964 softc->saved_comp_algorithm =
965 softc->comp_algorithm;
966 softc->flags |= SA_FLAG_COMP_SUPP;
967 if (comp_enabled)
968 softc->flags |= SA_FLAG_COMP_ENABLED;
969 } else
970 softc->flags |= SA_FLAG_COMP_UNSUPP;
971 }
1611 error = sagetparams_common(dev, periph);
1612 if (error)
1613 break;
972 bzero(g, sizeof(struct mtget));
973 g->mt_type = MT_ISAR;
974 if (softc->flags & SA_FLAG_COMP_UNSUPP) {
975 g->mt_comp = MT_COMP_UNSUPP;
976 g->mt_comp0 = MT_COMP_UNSUPP;
977 g->mt_comp1 = MT_COMP_UNSUPP;
978 g->mt_comp2 = MT_COMP_UNSUPP;
979 g->mt_comp3 = MT_COMP_UNSUPP;

--- 35 unchanged lines hidden (view full) ---

1015 if (SA_IS_CTRL(dev) == 0 || didlockperiph) {
1016 softc->last_ctl_resid = 0;
1017 }
1018 }
1019 }
1020 error = 0;
1021 break;
1022 }
1614 bzero(g, sizeof(struct mtget));
1615 g->mt_type = MT_ISAR;
1616 if (softc->flags & SA_FLAG_COMP_UNSUPP) {
1617 g->mt_comp = MT_COMP_UNSUPP;
1618 g->mt_comp0 = MT_COMP_UNSUPP;
1619 g->mt_comp1 = MT_COMP_UNSUPP;
1620 g->mt_comp2 = MT_COMP_UNSUPP;
1621 g->mt_comp3 = MT_COMP_UNSUPP;

--- 35 unchanged lines hidden (view full) ---

1657 if (SA_IS_CTRL(dev) == 0 || didlockperiph) {
1658 softc->last_ctl_resid = 0;
1659 }
1660 }
1661 }
1662 error = 0;
1663 break;
1664 }
1665 case MTIOCEXTGET:
1666 case MTIOCPARAMGET:
1667 {
1668 struct mtextget *g = (struct mtextget *)arg;
1669 char *tmpstr2;
1670 struct sbuf *sb;
1671
1672 /*
1673 * Report drive status using an XML format.
1674 */
1675
1676 /*
1677 * XXX KDM will dropping the lock cause any problems here?
1678 */
1679 cam_periph_unlock(periph);
1680 sb = sbuf_new(NULL, NULL, g->alloc_len, SBUF_FIXEDLEN);
1681 if (sb == NULL) {
1682 g->status = MT_EXT_GET_ERROR;
1683 snprintf(g->error_str, sizeof(g->error_str),
1684 "Unable to allocate %d bytes for status info",
1685 g->alloc_len);
1686 cam_periph_lock(periph);
1687 goto extget_bailout;
1688 }
1689 cam_periph_lock(periph);
1690
1691 if (cmd == MTIOCEXTGET)
1692 error = saextget(dev, periph, sb, g);
1693 else
1694 error = saparamget(softc, sb);
1695
1696 if (error != 0)
1697 goto extget_bailout;
1698
1699 error = sbuf_finish(sb);
1700 if (error == ENOMEM) {
1701 g->status = MT_EXT_GET_NEED_MORE_SPACE;
1702 error = 0;
1703 } else if (error != 0) {
1704 g->status = MT_EXT_GET_ERROR;
1705 snprintf(g->error_str, sizeof(g->error_str),
1706 "Error %d returned from sbuf_finish()", error);
1707 } else
1708 g->status = MT_EXT_GET_OK;
1709
1710 error = 0;
1711 tmpstr2 = sbuf_data(sb);
1712 g->fill_len = strlen(tmpstr2) + 1;
1713 cam_periph_unlock(periph);
1714
1715 error = copyout(tmpstr2, g->status_xml, g->fill_len);
1716
1717 cam_periph_lock(periph);
1718
1719extget_bailout:
1720 sbuf_delete(sb);
1721 break;
1722 }
1723 case MTIOCPARAMSET:
1724 {
1725 struct mtsetlist list;
1726 struct mtparamset *ps = (struct mtparamset *)arg;
1727
1728 bzero(&list, sizeof(list));
1729 list.num_params = 1;
1730 list.param_len = sizeof(*ps);
1731 list.params = ps;
1732
1733 error = saparamsetlist(periph, &list, /*need_copy*/ 0);
1734 break;
1735 }
1736 case MTIOCSETLIST:
1737 {
1738 struct mtsetlist *list = (struct mtsetlist *)arg;
1739
1740 error = saparamsetlist(periph, list, /*need_copy*/ 1);
1741 break;
1742 }
1023 case MTIOCERRSTAT:
1024 {
1025 struct scsi_tape_errors *sep =
1026 &((union mterrstat *)arg)->scsi_errstat;
1027
1028 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1029 ("saioctl: MTIOCERRSTAT\n"));
1030

--- 4 unchanged lines hidden (view full) ---

1035 bcopy((caddr_t) &softc->last_io_cdb, sep->io_cdb,
1036 sizeof (sep->io_cdb));
1037 sep->ctl_resid = softc->last_ctl_resid;
1038 bcopy((caddr_t) &softc->last_ctl_sense, sep->ctl_sense,
1039 sizeof (sep->ctl_sense));
1040 bcopy((caddr_t) &softc->last_ctl_cdb, sep->ctl_cdb,
1041 sizeof (sep->ctl_cdb));
1042
1743 case MTIOCERRSTAT:
1744 {
1745 struct scsi_tape_errors *sep =
1746 &((union mterrstat *)arg)->scsi_errstat;
1747
1748 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1749 ("saioctl: MTIOCERRSTAT\n"));
1750

--- 4 unchanged lines hidden (view full) ---

1755 bcopy((caddr_t) &softc->last_io_cdb, sep->io_cdb,
1756 sizeof (sep->io_cdb));
1757 sep->ctl_resid = softc->last_ctl_resid;
1758 bcopy((caddr_t) &softc->last_ctl_sense, sep->ctl_sense,
1759 sizeof (sep->ctl_sense));
1760 bcopy((caddr_t) &softc->last_ctl_cdb, sep->ctl_cdb,
1761 sizeof (sep->ctl_cdb));
1762
1043 if ((SA_IS_CTRL(dev) == 0 && softc->open_pending_mount) ||
1763 if ((SA_IS_CTRL(dev) == 0 && !softc->open_pending_mount) ||
1044 didlockperiph)
1045 bzero((caddr_t) &softc->errinfo,
1046 sizeof (softc->errinfo));
1047 error = 0;
1048 break;
1049 }
1050 case MTIOCTOP:
1051 {

--- 10 unchanged lines hidden (view full) ---

1062 mt->mt_op, mt->mt_count));
1063
1064 count = mt->mt_count;
1065 switch (mt->mt_op) {
1066 case MTWEOF: /* write an end-of-file marker */
1067 /*
1068 * We don't need to clear the SA_FLAG_TAPE_WRITTEN
1069 * flag because by keeping track of filemarks
1764 didlockperiph)
1765 bzero((caddr_t) &softc->errinfo,
1766 sizeof (softc->errinfo));
1767 error = 0;
1768 break;
1769 }
1770 case MTIOCTOP:
1771 {

--- 10 unchanged lines hidden (view full) ---

1782 mt->mt_op, mt->mt_count));
1783
1784 count = mt->mt_count;
1785 switch (mt->mt_op) {
1786 case MTWEOF: /* write an end-of-file marker */
1787 /*
1788 * We don't need to clear the SA_FLAG_TAPE_WRITTEN
1789 * flag because by keeping track of filemarks
1070 * we have last written we know ehether or not
1790 * we have last written we know whether or not
1071 * we need to write more when we close the device.
1072 */
1791 * we need to write more when we close the device.
1792 */
1073 error = sawritefilemarks(periph, count, FALSE);
1793 error = sawritefilemarks(periph, count, FALSE, FALSE);
1074 break;
1794 break;
1795 case MTWEOFI:
1796 /* write an end-of-file marker without waiting */
1797 error = sawritefilemarks(periph, count, FALSE, TRUE);
1798 break;
1075 case MTWSS: /* write a setmark */
1799 case MTWSS: /* write a setmark */
1076 error = sawritefilemarks(periph, count, TRUE);
1800 error = sawritefilemarks(periph, count, TRUE, FALSE);
1077 break;
1078 case MTBSR: /* backward space record */
1079 case MTFSR: /* forward space record */
1080 case MTBSF: /* backward space file */
1081 case MTFSF: /* forward space file */
1082 case MTBSS: /* backward space setmark */
1083 case MTFSS: /* forward space setmark */
1084 case MTEOD: /* space to end of recorded medium */

--- 108 unchanged lines hidden (view full) ---

1193 if (error == 0) {
1194 error = saloadunload(periph, FALSE);
1195 if (error == 0) {
1196 softc->flags &= ~SA_FLAG_TAPE_MOUNTED;
1197 }
1198 }
1199 break;
1200
1801 break;
1802 case MTBSR: /* backward space record */
1803 case MTFSR: /* forward space record */
1804 case MTBSF: /* backward space file */
1805 case MTFSF: /* forward space file */
1806 case MTBSS: /* backward space setmark */
1807 case MTFSS: /* forward space setmark */
1808 case MTEOD: /* space to end of recorded medium */

--- 108 unchanged lines hidden (view full) ---

1917 if (error == 0) {
1918 error = saloadunload(periph, FALSE);
1919 if (error == 0) {
1920 softc->flags &= ~SA_FLAG_TAPE_MOUNTED;
1921 }
1922 }
1923 break;
1924
1925 case MTLOAD:
1926 error = saloadunload(periph, TRUE);
1927 break;
1201 case MTNOP: /* no operation, sets status only */
1202 case MTCACHE: /* enable controller cache */
1203 case MTNOCACHE: /* disable controller cache */
1204 error = 0;
1205 break;
1206
1207 case MTSETBSIZ: /* Set block size for device */
1208
1209 PENDING_MOUNT_CHECK(softc, periph, dev);
1210
1928 case MTNOP: /* no operation, sets status only */
1929 case MTCACHE: /* enable controller cache */
1930 case MTNOCACHE: /* disable controller cache */
1931 error = 0;
1932 break;
1933
1934 case MTSETBSIZ: /* Set block size for device */
1935
1936 PENDING_MOUNT_CHECK(softc, periph, dev);
1937
1938 if ((softc->sili != 0)
1939 && (count != 0)) {
1940 xpt_print(periph->path, "Can't enter fixed "
1941 "block mode with SILI enabled\n");
1942 error = EINVAL;
1943 break;
1944 }
1211 error = sasetparams(periph, SA_PARAM_BLOCKSIZE, count,
1212 0, 0, 0);
1213 if (error == 0) {
1214 softc->last_media_blksize =
1215 softc->media_blksize;
1216 softc->media_blksize = count;
1217 if (count) {
1218 softc->flags |= SA_FLAG_FIXED;

--- 69 unchanged lines hidden (view full) ---

1288 PENDING_MOUNT_CHECK(softc, periph, dev);
1289 error = sardpos(periph, 0, (u_int32_t *) arg);
1290 break;
1291 case MTIOCRDHPOS:
1292 PENDING_MOUNT_CHECK(softc, periph, dev);
1293 error = sardpos(periph, 1, (u_int32_t *) arg);
1294 break;
1295 case MTIOCSLOCATE:
1945 error = sasetparams(periph, SA_PARAM_BLOCKSIZE, count,
1946 0, 0, 0);
1947 if (error == 0) {
1948 softc->last_media_blksize =
1949 softc->media_blksize;
1950 softc->media_blksize = count;
1951 if (count) {
1952 softc->flags |= SA_FLAG_FIXED;

--- 69 unchanged lines hidden (view full) ---

2022 PENDING_MOUNT_CHECK(softc, periph, dev);
2023 error = sardpos(periph, 0, (u_int32_t *) arg);
2024 break;
2025 case MTIOCRDHPOS:
2026 PENDING_MOUNT_CHECK(softc, periph, dev);
2027 error = sardpos(periph, 1, (u_int32_t *) arg);
2028 break;
2029 case MTIOCSLOCATE:
2030 case MTIOCHLOCATE: {
2031 struct mtlocate locate_info;
2032 int hard;
2033
2034 bzero(&locate_info, sizeof(locate_info));
2035 locate_info.logical_id = *((uint32_t *)arg);
2036 if (cmd == MTIOCSLOCATE)
2037 hard = 0;
2038 else
2039 hard = 1;
2040
1296 PENDING_MOUNT_CHECK(softc, periph, dev);
2041 PENDING_MOUNT_CHECK(softc, periph, dev);
1297 error = sasetpos(periph, 0, (u_int32_t *) arg);
2042
2043 error = sasetpos(periph, hard, &locate_info);
1298 break;
2044 break;
1299 case MTIOCHLOCATE:
2045 }
2046 case MTIOCEXTLOCATE:
1300 PENDING_MOUNT_CHECK(softc, periph, dev);
2047 PENDING_MOUNT_CHECK(softc, periph, dev);
1301 error = sasetpos(periph, 1, (u_int32_t *) arg);
2048 error = sasetpos(periph, /*hard*/ 0, (struct mtlocate *)arg);
2049 softc->flags &=
2050 ~(SA_FLAG_TAPE_WRITTEN|SA_FLAG_TAPE_FROZEN);
2051 softc->flags &= ~SA_FLAG_ERR_PENDING;
2052 softc->filemarks = 0;
1302 break;
1303 case MTIOCGETEOTMODEL:
1304 error = 0;
1305 if (softc->quirks & SA_QUIRK_1FM)
1306 mode = 1;
1307 else
1308 mode = 2;
1309 *((u_int32_t *) arg) = mode;

--- 9 unchanged lines hidden (view full) ---

1319 softc->quirks &= ~SA_QUIRK_1FM;
1320 softc->quirks |= SA_QUIRK_2FM;
1321 break;
1322 default:
1323 error = EINVAL;
1324 break;
1325 }
1326 break;
2053 break;
2054 case MTIOCGETEOTMODEL:
2055 error = 0;
2056 if (softc->quirks & SA_QUIRK_1FM)
2057 mode = 1;
2058 else
2059 mode = 2;
2060 *((u_int32_t *) arg) = mode;

--- 9 unchanged lines hidden (view full) ---

2070 softc->quirks &= ~SA_QUIRK_1FM;
2071 softc->quirks |= SA_QUIRK_2FM;
2072 break;
2073 default:
2074 error = EINVAL;
2075 break;
2076 }
2077 break;
2078 case MTIOCRBLIM: {
2079 struct mtrblim *rblim;
2080
2081 rblim = (struct mtrblim *)arg;
2082
2083 rblim->granularity = softc->blk_gran;
2084 rblim->min_block_length = softc->min_blk;
2085 rblim->max_block_length = softc->max_blk;
2086 break;
2087 }
1327 default:
1328 error = cam_periph_ioctl(periph, cmd, arg, saerror);
1329 break;
1330 }
1331
1332 /*
1333 * Check to see if we cleared a frozen state
1334 */
1335 if (error == 0 && (softc->flags & SA_FLAG_TAPE_FROZEN)) {
1336 switch(cmd) {
1337 case MTIOCRDSPOS:
1338 case MTIOCRDHPOS:
1339 case MTIOCSLOCATE:
1340 case MTIOCHLOCATE:
2088 default:
2089 error = cam_periph_ioctl(periph, cmd, arg, saerror);
2090 break;
2091 }
2092
2093 /*
2094 * Check to see if we cleared a frozen state
2095 */
2096 if (error == 0 && (softc->flags & SA_FLAG_TAPE_FROZEN)) {
2097 switch(cmd) {
2098 case MTIOCRDSPOS:
2099 case MTIOCRDHPOS:
2100 case MTIOCSLOCATE:
2101 case MTIOCHLOCATE:
2102 /*
2103 * XXX KDM look at this.
2104 */
1341 softc->fileno = (daddr_t) -1;
1342 softc->blkno = (daddr_t) -1;
2105 softc->fileno = (daddr_t) -1;
2106 softc->blkno = (daddr_t) -1;
2107 softc->rep_blkno = (daddr_t) -1;
2108 softc->rep_fileno = (daddr_t) -1;
2109 softc->partition = (daddr_t) -1;
1343 softc->flags &= ~SA_FLAG_TAPE_FROZEN;
1344 xpt_print(periph->path,
1345 "tape state now unfrozen.\n");
1346 break;
1347 default:
1348 break;
1349 }
1350 }

--- 16 unchanged lines hidden (view full) ---

1367
1368 if (status != CAM_REQ_CMP) {
1369 printf("sa: Failed to attach master async callback "
1370 "due to status 0x%x!\n", status);
1371 }
1372}
1373
1374static void
2110 softc->flags &= ~SA_FLAG_TAPE_FROZEN;
2111 xpt_print(periph->path,
2112 "tape state now unfrozen.\n");
2113 break;
2114 default:
2115 break;
2116 }
2117 }

--- 16 unchanged lines hidden (view full) ---

2134
2135 if (status != CAM_REQ_CMP) {
2136 printf("sa: Failed to attach master async callback "
2137 "due to status 0x%x!\n", status);
2138 }
2139}
2140
2141static void
2142sadevgonecb(void *arg)
2143{
2144 struct cam_periph *periph;
2145 struct mtx *mtx;
2146 struct sa_softc *softc;
2147
2148 periph = (struct cam_periph *)arg;
2149 softc = (struct sa_softc *)periph->softc;
2150
2151 mtx = cam_periph_mtx(periph);
2152 mtx_lock(mtx);
2153
2154 softc->num_devs_to_destroy--;
2155 if (softc->num_devs_to_destroy == 0) {
2156 int i;
2157
2158 /*
2159 * When we have gotten all of our callbacks, we will get
2160 * no more close calls from devfs. So if we have any
2161 * dangling opens, we need to release the reference held
2162 * for that particular context.
2163 */
2164 for (i = 0; i < softc->open_count; i++)
2165 cam_periph_release_locked(periph);
2166
2167 softc->open_count = 0;
2168
2169 /*
2170 * Release the reference held for devfs, all of our
2171 * instances are gone now.
2172 */
2173 cam_periph_release_locked(periph);
2174 }
2175
2176 /*
2177 * We reference the lock directly here, instead of using
2178 * cam_periph_unlock(). The reason is that the final call to
2179 * cam_periph_release_locked() above could result in the periph
2180 * getting freed. If that is the case, dereferencing the periph
2181 * with a cam_periph_unlock() call would cause a page fault.
2182 */
2183 mtx_unlock(mtx);
2184}
2185
2186static void
1375saoninvalidate(struct cam_periph *periph)
1376{
1377 struct sa_softc *softc;
1378
1379 softc = (struct sa_softc *)periph->softc;
1380
1381 /*
1382 * De-register any async callbacks.

--- 4 unchanged lines hidden (view full) ---

1387
1388 /*
1389 * Return all queued I/O with ENXIO.
1390 * XXX Handle any transactions queued to the card
1391 * with XPT_ABORT_CCB.
1392 */
1393 bioq_flush(&softc->bio_queue, NULL, ENXIO);
1394 softc->queue_count = 0;
2187saoninvalidate(struct cam_periph *periph)
2188{
2189 struct sa_softc *softc;
2190
2191 softc = (struct sa_softc *)periph->softc;
2192
2193 /*
2194 * De-register any async callbacks.

--- 4 unchanged lines hidden (view full) ---

2199
2200 /*
2201 * Return all queued I/O with ENXIO.
2202 * XXX Handle any transactions queued to the card
2203 * with XPT_ABORT_CCB.
2204 */
2205 bioq_flush(&softc->bio_queue, NULL, ENXIO);
2206 softc->queue_count = 0;
2207
2208 /*
2209 * Tell devfs that all of our devices have gone away, and ask for a
2210 * callback when it has cleaned up its state.
2211 */
2212 destroy_dev_sched_cb(softc->devs.ctl_dev, sadevgonecb, periph);
2213 destroy_dev_sched_cb(softc->devs.r_dev, sadevgonecb, periph);
2214 destroy_dev_sched_cb(softc->devs.nr_dev, sadevgonecb, periph);
2215 destroy_dev_sched_cb(softc->devs.er_dev, sadevgonecb, periph);
1395}
1396
1397static void
1398sacleanup(struct cam_periph *periph)
1399{
1400 struct sa_softc *softc;
2216}
2217
2218static void
2219sacleanup(struct cam_periph *periph)
2220{
2221 struct sa_softc *softc;
1401 int i;
1402
1403 softc = (struct sa_softc *)periph->softc;
1404
2222
2223 softc = (struct sa_softc *)periph->softc;
2224
1405 devstat_remove_entry(softc->device_stats);
1406 cam_periph_unlock(periph);
2225 cam_periph_unlock(periph);
1407 destroy_dev(softc->devs.ctl_dev);
1408 for (i = 0; i < SA_NUM_MODES; i++) {
1409 destroy_dev(softc->devs.mode_devs[i].r_dev);
1410 destroy_dev(softc->devs.mode_devs[i].nr_dev);
1411 destroy_dev(softc->devs.mode_devs[i].er_dev);
1412 }
2226
2227 if ((softc->flags & SA_FLAG_SCTX_INIT) != 0
2228 && sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2229 xpt_print(periph->path, "can't remove sysctl context\n");
2230
1413 cam_periph_lock(periph);
2231 cam_periph_lock(periph);
2232
2233 devstat_remove_entry(softc->device_stats);
2234
1414 free(softc, M_SCSISA);
1415}
1416
1417static void
1418saasync(void *callback_arg, u_int32_t code,
1419 struct cam_path *path, void *arg)
1420{
1421 struct cam_periph *periph;

--- 33 unchanged lines hidden (view full) ---

1455 }
1456 default:
1457 cam_periph_async(periph, code, path, arg);
1458 break;
1459 }
1460}
1461
1462static void
2235 free(softc, M_SCSISA);
2236}
2237
2238static void
2239saasync(void *callback_arg, u_int32_t code,
2240 struct cam_path *path, void *arg)
2241{
2242 struct cam_periph *periph;

--- 33 unchanged lines hidden (view full) ---

2276 }
2277 default:
2278 cam_periph_async(periph, code, path, arg);
2279 break;
2280 }
2281}
2282
2283static void
2284sasetupdev(struct sa_softc *softc, struct cdev *dev)
2285{
2286 dev->si_drv1 = softc->periph;
2287 dev->si_iosize_max = softc->maxio;
2288 dev->si_flags |= softc->si_flags;
2289 /*
2290 * Keep a count of how many non-alias devices we have created,
2291 * so we can make sure we clean them all up on shutdown. Aliases
2292 * are cleaned up when we destroy the device they're an alias for.
2293 */
2294 if ((dev->si_flags & SI_ALIAS) == 0)
2295 softc->num_devs_to_destroy++;
2296}
2297
2298static void
1463sasysctlinit(void *context, int pending)
1464{
1465 struct cam_periph *periph;
1466 struct sa_softc *softc;
1467 char tmpstr[80], tmpstr2[80];
1468
1469 periph = (struct cam_periph *)context;
1470 /*
1471 * If the periph is invalid, no need to setup the sysctls.
1472 */
1473 if (periph->flags & CAM_PERIPH_INVALID)
1474 goto bailout;
1475
1476 softc = (struct sa_softc *)periph->softc;
1477
1478 snprintf(tmpstr, sizeof(tmpstr), "CAM SA unit %d", periph->unit_number);
1479 snprintf(tmpstr2, sizeof(tmpstr2), "%u", periph->unit_number);
1480
1481 sysctl_ctx_init(&softc->sysctl_ctx);
2299sasysctlinit(void *context, int pending)
2300{
2301 struct cam_periph *periph;
2302 struct sa_softc *softc;
2303 char tmpstr[80], tmpstr2[80];
2304
2305 periph = (struct cam_periph *)context;
2306 /*
2307 * If the periph is invalid, no need to setup the sysctls.
2308 */
2309 if (periph->flags & CAM_PERIPH_INVALID)
2310 goto bailout;
2311
2312 softc = (struct sa_softc *)periph->softc;
2313
2314 snprintf(tmpstr, sizeof(tmpstr), "CAM SA unit %d", periph->unit_number);
2315 snprintf(tmpstr2, sizeof(tmpstr2), "%u", periph->unit_number);
2316
2317 sysctl_ctx_init(&softc->sysctl_ctx);
2318 softc->flags |= SA_FLAG_SCTX_INIT;
1482 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1483 SYSCTL_STATIC_CHILDREN(_kern_cam_sa), OID_AUTO, tmpstr2,
1484 CTLFLAG_RD, 0, tmpstr);
1485 if (softc->sysctl_tree == NULL)
1486 goto bailout;
1487
1488 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1489 OID_AUTO, "allow_io_split", CTLFLAG_RDTUN | CTLFLAG_NOFETCH,

--- 15 unchanged lines hidden (view full) ---

1505static cam_status
1506saregister(struct cam_periph *periph, void *arg)
1507{
1508 struct sa_softc *softc;
1509 struct ccb_getdev *cgd;
1510 struct ccb_pathinq cpi;
1511 caddr_t match;
1512 char tmpstr[80];
2319 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
2320 SYSCTL_STATIC_CHILDREN(_kern_cam_sa), OID_AUTO, tmpstr2,
2321 CTLFLAG_RD, 0, tmpstr);
2322 if (softc->sysctl_tree == NULL)
2323 goto bailout;
2324
2325 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2326 OID_AUTO, "allow_io_split", CTLFLAG_RDTUN | CTLFLAG_NOFETCH,

--- 15 unchanged lines hidden (view full) ---

2342static cam_status
2343saregister(struct cam_periph *periph, void *arg)
2344{
2345 struct sa_softc *softc;
2346 struct ccb_getdev *cgd;
2347 struct ccb_pathinq cpi;
2348 caddr_t match;
2349 char tmpstr[80];
1513 int i;
1514
1515 cgd = (struct ccb_getdev *)arg;
1516 if (cgd == NULL) {
1517 printf("saregister: no getdev CCB, can't register device\n");
1518 return (CAM_REQ_CMP_ERR);
1519 }
1520
1521 softc = (struct sa_softc *)
1522 malloc(sizeof (*softc), M_SCSISA, M_NOWAIT | M_ZERO);
1523 if (softc == NULL) {
1524 printf("saregister: Unable to probe new device. "
1525 "Unable to allocate softc\n");
1526 return (CAM_REQ_CMP_ERR);
1527 }
1528 softc->scsi_rev = SID_ANSI_REV(&cgd->inq_data);
1529 softc->state = SA_STATE_NORMAL;
1530 softc->fileno = (daddr_t) -1;
1531 softc->blkno = (daddr_t) -1;
2350
2351 cgd = (struct ccb_getdev *)arg;
2352 if (cgd == NULL) {
2353 printf("saregister: no getdev CCB, can't register device\n");
2354 return (CAM_REQ_CMP_ERR);
2355 }
2356
2357 softc = (struct sa_softc *)
2358 malloc(sizeof (*softc), M_SCSISA, M_NOWAIT | M_ZERO);
2359 if (softc == NULL) {
2360 printf("saregister: Unable to probe new device. "
2361 "Unable to allocate softc\n");
2362 return (CAM_REQ_CMP_ERR);
2363 }
2364 softc->scsi_rev = SID_ANSI_REV(&cgd->inq_data);
2365 softc->state = SA_STATE_NORMAL;
2366 softc->fileno = (daddr_t) -1;
2367 softc->blkno = (daddr_t) -1;
2368 softc->rep_fileno = (daddr_t) -1;
2369 softc->rep_blkno = (daddr_t) -1;
2370 softc->partition = (daddr_t) -1;
2371 softc->bop = -1;
2372 softc->eop = -1;
2373 softc->bpew = -1;
1532
1533 bioq_init(&softc->bio_queue);
2374
2375 bioq_init(&softc->bio_queue);
2376 softc->periph = periph;
1534 periph->softc = softc;
1535
1536 /*
1537 * See if this device has any quirks.
1538 */
1539 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1540 (caddr_t)sa_quirk_table,
1541 sizeof(sa_quirk_table)/sizeof(*sa_quirk_table),
1542 sizeof(*sa_quirk_table), scsi_inquiry_match);
1543
1544 if (match != NULL) {
1545 softc->quirks = ((struct sa_quirk_entry *)match)->quirks;
1546 softc->last_media_blksize =
1547 ((struct sa_quirk_entry *)match)->prefblk;
1548 } else
1549 softc->quirks = SA_QUIRK_NONE;
1550
2377 periph->softc = softc;
2378
2379 /*
2380 * See if this device has any quirks.
2381 */
2382 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2383 (caddr_t)sa_quirk_table,
2384 sizeof(sa_quirk_table)/sizeof(*sa_quirk_table),
2385 sizeof(*sa_quirk_table), scsi_inquiry_match);
2386
2387 if (match != NULL) {
2388 softc->quirks = ((struct sa_quirk_entry *)match)->quirks;
2389 softc->last_media_blksize =
2390 ((struct sa_quirk_entry *)match)->prefblk;
2391 } else
2392 softc->quirks = SA_QUIRK_NONE;
2393
2394 /*
2395 * Long format data for READ POSITION was introduced in SSC, which
2396 * was after SCSI-2. (Roughly equivalent to SCSI-3.) If the drive
2397 * reports that it is SCSI-2 or older, it is unlikely to support
2398 * long position data, but it might. Some drives from that era
2399 * claim to be SCSI-2, but do support long position information.
2400 * So, instead of immediately disabling long position information
2401 * for SCSI-2 devices, we'll try one pass through sagetpos(), and
2402 * then disable long position information if we get an error.
2403 */
2404 if (cgd->inq_data.version <= SCSI_REV_CCS)
2405 softc->quirks |= SA_QUIRK_NO_LONG_POS;
2406
2407 if (cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) {
2408 struct ccb_dev_advinfo cdai;
2409 struct scsi_vpd_extended_inquiry_data ext_inq;
2410
2411 bzero(&ext_inq, sizeof(ext_inq));
2412
2413 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2414
2415 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
2416 cdai.flags = CDAI_FLAG_NONE;
2417 cdai.buftype = CDAI_TYPE_EXT_INQ;
2418 cdai.bufsiz = sizeof(ext_inq);
2419 cdai.buf = (uint8_t *)&ext_inq;
2420 xpt_action((union ccb *)&cdai);
2421
2422 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
2423 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
2424 if ((cdai.ccb_h.status == CAM_REQ_CMP)
2425 && (ext_inq.flags1 & SVPD_EID_SA_SPT_LBP))
2426 softc->flags |= SA_FLAG_PROTECT_SUPP;
2427 }
2428
1551 bzero(&cpi, sizeof(cpi));
1552 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1553 cpi.ccb_h.func_code = XPT_PATH_INQ;
1554 xpt_action((union ccb *)&cpi);
1555
1556 /*
1557 * The SA driver supports a blocksize, but we don't know the
1558 * blocksize until we media is inserted. So, set a flag to

--- 50 unchanged lines hidden (view full) ---

1609
1610 /*
1611 * If the SIM supports unmapped I/O, let physio know that we can
1612 * handle unmapped buffers.
1613 */
1614 if (cpi.hba_misc & PIM_UNMAPPED)
1615 softc->si_flags |= SI_UNMAPPED;
1616
2429 bzero(&cpi, sizeof(cpi));
2430 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2431 cpi.ccb_h.func_code = XPT_PATH_INQ;
2432 xpt_action((union ccb *)&cpi);
2433
2434 /*
2435 * The SA driver supports a blocksize, but we don't know the
2436 * blocksize until we media is inserted. So, set a flag to

--- 50 unchanged lines hidden (view full) ---

2487
2488 /*
2489 * If the SIM supports unmapped I/O, let physio know that we can
2490 * handle unmapped buffers.
2491 */
2492 if (cpi.hba_misc & PIM_UNMAPPED)
2493 softc->si_flags |= SI_UNMAPPED;
2494
2495 /*
2496 * Acquire a reference to the periph before we create the devfs
2497 * instances for it. We'll release this reference once the devfs
2498 * instances have been freed.
2499 */
2500 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2501 xpt_print(periph->path, "%s: lost periph during "
2502 "registration!\n", __func__);
2503 cam_periph_lock(periph);
2504 return (CAM_REQ_CMP_ERR);
2505 }
2506
1617 softc->devs.ctl_dev = make_dev(&sa_cdevsw, SAMINOR(SA_CTLDEV,
2507 softc->devs.ctl_dev = make_dev(&sa_cdevsw, SAMINOR(SA_CTLDEV,
1618 0, SA_ATYPE_R), UID_ROOT, GID_OPERATOR,
2508 SA_ATYPE_R), UID_ROOT, GID_OPERATOR,
1619 0660, "%s%d.ctl", periph->periph_name, periph->unit_number);
2509 0660, "%s%d.ctl", periph->periph_name, periph->unit_number);
1620 softc->devs.ctl_dev->si_drv1 = periph;
1621 softc->devs.ctl_dev->si_iosize_max = softc->maxio;
1622 softc->devs.ctl_dev->si_flags |= softc->si_flags;
2510 sasetupdev(softc, softc->devs.ctl_dev);
1623
2511
1624 for (i = 0; i < SA_NUM_MODES; i++) {
2512 softc->devs.r_dev = make_dev(&sa_cdevsw, SAMINOR(SA_NOT_CTLDEV,
2513 SA_ATYPE_R), UID_ROOT, GID_OPERATOR,
2514 0660, "%s%d", periph->periph_name, periph->unit_number);
2515 sasetupdev(softc, softc->devs.r_dev);
1625
2516
1626 softc->devs.mode_devs[i].r_dev = make_dev(&sa_cdevsw,
1627 SAMINOR(SA_NOT_CTLDEV, i, SA_ATYPE_R),
1628 UID_ROOT, GID_OPERATOR, 0660, "%s%d.%d",
1629 periph->periph_name, periph->unit_number, i);
1630 softc->devs.mode_devs[i].r_dev->si_drv1 = periph;
1631 softc->devs.mode_devs[i].r_dev->si_iosize_max = softc->maxio;
1632 softc->devs.mode_devs[i].r_dev->si_flags |= softc->si_flags;
2517 softc->devs.nr_dev = make_dev(&sa_cdevsw, SAMINOR(SA_NOT_CTLDEV,
2518 SA_ATYPE_NR), UID_ROOT, GID_OPERATOR,
2519 0660, "n%s%d", periph->periph_name, periph->unit_number);
2520 sasetupdev(softc, softc->devs.nr_dev);
1633
2521
1634 softc->devs.mode_devs[i].nr_dev = make_dev(&sa_cdevsw,
1635 SAMINOR(SA_NOT_CTLDEV, i, SA_ATYPE_NR),
1636 UID_ROOT, GID_OPERATOR, 0660, "n%s%d.%d",
1637 periph->periph_name, periph->unit_number, i);
1638 softc->devs.mode_devs[i].nr_dev->si_drv1 = periph;
1639 softc->devs.mode_devs[i].nr_dev->si_iosize_max = softc->maxio;
1640 softc->devs.mode_devs[i].nr_dev->si_flags |= softc->si_flags;
2522 softc->devs.er_dev = make_dev(&sa_cdevsw, SAMINOR(SA_NOT_CTLDEV,
2523 SA_ATYPE_ER), UID_ROOT, GID_OPERATOR,
2524 0660, "e%s%d", periph->periph_name, periph->unit_number);
2525 sasetupdev(softc, softc->devs.er_dev);
1641
2526
1642 softc->devs.mode_devs[i].er_dev = make_dev(&sa_cdevsw,
1643 SAMINOR(SA_NOT_CTLDEV, i, SA_ATYPE_ER),
1644 UID_ROOT, GID_OPERATOR, 0660, "e%s%d.%d",
1645 periph->periph_name, periph->unit_number, i);
1646 softc->devs.mode_devs[i].er_dev->si_drv1 = periph;
1647 softc->devs.mode_devs[i].er_dev->si_iosize_max = softc->maxio;
1648 softc->devs.mode_devs[i].er_dev->si_flags |= softc->si_flags;
1649
1650 /*
1651 * Make the (well known) aliases for the first mode.
1652 */
1653 if (i == 0) {
1654 struct cdev *alias;
1655
1656 alias = make_dev_alias(softc->devs.mode_devs[i].r_dev,
1657 "%s%d", periph->periph_name, periph->unit_number);
1658 alias->si_drv1 = periph;
1659 alias->si_iosize_max = softc->maxio;
1660 alias->si_flags |= softc->si_flags;
1661
1662 alias = make_dev_alias(softc->devs.mode_devs[i].nr_dev,
1663 "n%s%d", periph->periph_name, periph->unit_number);
1664 alias->si_drv1 = periph;
1665 alias->si_iosize_max = softc->maxio;
1666 alias->si_flags |= softc->si_flags;
1667
1668 alias = make_dev_alias(softc->devs.mode_devs[i].er_dev,
1669 "e%s%d", periph->periph_name, periph->unit_number);
1670 alias->si_drv1 = periph;
1671 alias->si_iosize_max = softc->maxio;
1672 alias->si_flags |= softc->si_flags;
1673 }
1674 }
1675 cam_periph_lock(periph);
1676
2527 cam_periph_lock(periph);
2528
2529 softc->density_type_bits[0] = 0;
2530 softc->density_type_bits[1] = SRDS_MEDIA;
2531 softc->density_type_bits[2] = SRDS_MEDIUM_TYPE;
2532 softc->density_type_bits[3] = SRDS_MEDIUM_TYPE | SRDS_MEDIA;
1677 /*
1678 * Bump the peripheral refcount for the sysctl thread, in case we
1679 * get invalidated before the thread has a chance to run.
1680 */
1681 cam_periph_acquire(periph);
1682 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
1683
1684 /*

--- 34 unchanged lines hidden (view full) ---

1719 struct bio *done_bp;
1720again:
1721 softc->queue_count--;
1722 bioq_remove(&softc->bio_queue, bp);
1723 bp->bio_resid = bp->bio_bcount;
1724 done_bp = bp;
1725 if ((softc->flags & SA_FLAG_EOM_PENDING) != 0) {
1726 /*
2533 /*
2534 * Bump the peripheral refcount for the sysctl thread, in case we
2535 * get invalidated before the thread has a chance to run.
2536 */
2537 cam_periph_acquire(periph);
2538 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
2539
2540 /*

--- 34 unchanged lines hidden (view full) ---

2575 struct bio *done_bp;
2576again:
2577 softc->queue_count--;
2578 bioq_remove(&softc->bio_queue, bp);
2579 bp->bio_resid = bp->bio_bcount;
2580 done_bp = bp;
2581 if ((softc->flags & SA_FLAG_EOM_PENDING) != 0) {
2582 /*
1727 * We now just clear errors in this case
1728 * and let the residual be the notifier.
2583 * We have two different behaviors for
2584 * writes when we hit either Early Warning
2585 * or the PEWZ (Programmable Early Warning
2586 * Zone). The default behavior is that
2587 * for all writes that are currently
2588 * queued after the write where we saw the
2589 * early warning, we will return the write
2590 * with the residual equal to the count.
2591 * i.e. tell the application that 0 bytes
2592 * were written.
2593 *
2594 * The alternate behavior, which is enabled
2595 * when eot_warn is set, is that in
2596 * addition to setting the residual equal
2597 * to the count, we will set the error
2598 * to ENOSPC.
2599 *
2600 * In either case, once queued writes are
2601 * cleared out, we clear the error flag
2602 * (see below) and the application is free to
2603 * attempt to write more.
1729 */
2604 */
1730 bp->bio_error = 0;
2605 if (softc->eot_warn != 0) {
2606 bp->bio_flags |= BIO_ERROR;
2607 bp->bio_error = ENOSPC;
2608 } else
2609 bp->bio_error = 0;
1731 } else if ((softc->flags & SA_FLAG_EOF_PENDING) != 0) {
1732 /*
1733 * This can only happen if we're reading
1734 * in fixed length mode. In this case,
1735 * we dump the rest of the list the
1736 * same way.
1737 */
1738 bp->bio_error = 0;

--- 20 unchanged lines hidden (view full) ---

1759 xpt_release_ccb(start_ccb);
1760 biodone(done_bp);
1761 } else {
1762 u_int32_t length;
1763
1764 bioq_remove(&softc->bio_queue, bp);
1765 softc->queue_count--;
1766
2610 } else if ((softc->flags & SA_FLAG_EOF_PENDING) != 0) {
2611 /*
2612 * This can only happen if we're reading
2613 * in fixed length mode. In this case,
2614 * we dump the rest of the list the
2615 * same way.
2616 */
2617 bp->bio_error = 0;

--- 20 unchanged lines hidden (view full) ---

2638 xpt_release_ccb(start_ccb);
2639 biodone(done_bp);
2640 } else {
2641 u_int32_t length;
2642
2643 bioq_remove(&softc->bio_queue, bp);
2644 softc->queue_count--;
2645
2646 length = bp->bio_bcount;
2647
1767 if ((softc->flags & SA_FLAG_FIXED) != 0) {
1768 if (softc->blk_shift != 0) {
2648 if ((softc->flags & SA_FLAG_FIXED) != 0) {
2649 if (softc->blk_shift != 0) {
1769 length =
1770 bp->bio_bcount >> softc->blk_shift;
2650 length = length >> softc->blk_shift;
1771 } else if (softc->media_blksize != 0) {
2651 } else if (softc->media_blksize != 0) {
1772 length = bp->bio_bcount /
1773 softc->media_blksize;
2652 length = length / softc->media_blksize;
1774 } else {
1775 bp->bio_error = EIO;
1776 xpt_print(periph->path, "zero blocksize"
1777 " for FIXED length writes?\n");
1778 biodone(bp);
1779 break;
1780 }
1781#if 0
1782 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO,
1783 ("issuing a %d fixed record %s\n",
1784 length, (bp->bio_cmd == BIO_READ)? "read" :
1785 "write"));
1786#endif
1787 } else {
2653 } else {
2654 bp->bio_error = EIO;
2655 xpt_print(periph->path, "zero blocksize"
2656 " for FIXED length writes?\n");
2657 biodone(bp);
2658 break;
2659 }
2660#if 0
2661 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO,
2662 ("issuing a %d fixed record %s\n",
2663 length, (bp->bio_cmd == BIO_READ)? "read" :
2664 "write"));
2665#endif
2666 } else {
1788 length = bp->bio_bcount;
1789#if 0
1790 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO,
1791 ("issuing a %d variable byte %s\n",
1792 length, (bp->bio_cmd == BIO_READ)? "read" :
1793 "write"));
1794#endif
1795 }
1796 devstat_start_transaction_bio(softc->device_stats, bp);

--- 11 unchanged lines hidden (view full) ---

1808 * in the mode page to something other than 0.
1809 *
1810 * I believe that this is a non-issue. If user apps
1811 * don't adjust their read size to match our record
1812 * size, that's just life. Anyway, the typical usage
1813 * would be to issue, e.g., 64KB reads and occasionally
1814 * have to do deal with 512 byte or 1KB intermediate
1815 * records.
2667#if 0
2668 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO,
2669 ("issuing a %d variable byte %s\n",
2670 length, (bp->bio_cmd == BIO_READ)? "read" :
2671 "write"));
2672#endif
2673 }
2674 devstat_start_transaction_bio(softc->device_stats, bp);

--- 11 unchanged lines hidden (view full) ---

2686 * in the mode page to something other than 0.
2687 *
2688 * I believe that this is a non-issue. If user apps
2689 * don't adjust their read size to match our record
2690 * size, that's just life. Anyway, the typical usage
2691 * would be to issue, e.g., 64KB reads and occasionally
2692 * have to do deal with 512 byte or 1KB intermediate
2693 * records.
2694 *
2695 * That said, though, we now support setting the
2696 * SILI bit on reads, and we set the blocksize to 4
2697 * bytes when we do that. This gives us
2698 * compatibility with software that wants this,
2699 * although the only real difference between that
2700 * and not setting the SILI bit on reads is that we
2701 * won't get a check condition on reads where our
2702 * request size is larger than the block on tape.
2703 * That probably only makes a real difference in
2704 * non-packetized SCSI, where you have to go back
2705 * to the drive to request sense and thus incur
2706 * more latency.
1816 */
1817 softc->dsreg = (bp->bio_cmd == BIO_READ)?
1818 MTIO_DSREG_RD : MTIO_DSREG_WR;
1819 scsi_sa_read_write(&start_ccb->csio, 0, sadone,
1820 MSG_SIMPLE_Q_TAG, (bp->bio_cmd == BIO_READ ?
1821 SCSI_RW_READ : SCSI_RW_WRITE) |
1822 ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2707 */
2708 softc->dsreg = (bp->bio_cmd == BIO_READ)?
2709 MTIO_DSREG_RD : MTIO_DSREG_WR;
2710 scsi_sa_read_write(&start_ccb->csio, 0, sadone,
2711 MSG_SIMPLE_Q_TAG, (bp->bio_cmd == BIO_READ ?
2712 SCSI_RW_READ : SCSI_RW_WRITE) |
2713 ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
1823 SCSI_RW_BIO : 0), FALSE,
2714 SCSI_RW_BIO : 0), softc->sili,
1824 (softc->flags & SA_FLAG_FIXED) != 0, length,
1825 (bp->bio_flags & BIO_UNMAPPED) != 0 ? (void *)bp :
1826 bp->bio_data, bp->bio_bcount, SSD_FULL_SIZE,
1827 IO_TIMEOUT);
1828 start_ccb->ccb_h.ccb_pflags &= ~SA_POSITION_UPDATED;
1829 start_ccb->ccb_h.ccb_bp = bp;
1830 bp = bioq_first(&softc->bio_queue);
1831 xpt_action(start_ccb);

--- 169 unchanged lines hidden (view full) ---

2001 struct scsi_read_block_limits_data *rblim = NULL;
2002 int comp_enabled, comp_supported;
2003 u_int8_t write_protect, guessing = 0;
2004
2005 /*
2006 * Clear out old state.
2007 */
2008 softc->flags &= ~(SA_FLAG_TAPE_WP|SA_FLAG_TAPE_WRITTEN|
2715 (softc->flags & SA_FLAG_FIXED) != 0, length,
2716 (bp->bio_flags & BIO_UNMAPPED) != 0 ? (void *)bp :
2717 bp->bio_data, bp->bio_bcount, SSD_FULL_SIZE,
2718 IO_TIMEOUT);
2719 start_ccb->ccb_h.ccb_pflags &= ~SA_POSITION_UPDATED;
2720 start_ccb->ccb_h.ccb_bp = bp;
2721 bp = bioq_first(&softc->bio_queue);
2722 xpt_action(start_ccb);

--- 169 unchanged lines hidden (view full) ---

2892 struct scsi_read_block_limits_data *rblim = NULL;
2893 int comp_enabled, comp_supported;
2894 u_int8_t write_protect, guessing = 0;
2895
2896 /*
2897 * Clear out old state.
2898 */
2899 softc->flags &= ~(SA_FLAG_TAPE_WP|SA_FLAG_TAPE_WRITTEN|
2009 SA_FLAG_ERR_PENDING|SA_FLAG_COMP_ENABLED|
2010 SA_FLAG_COMP_SUPP|SA_FLAG_COMP_UNSUPP);
2900 SA_FLAG_ERR_PENDING|SA_FLAG_COMPRESSION);
2011 softc->filemarks = 0;
2012
2013 /*
2014 * *Very* first off, make sure we're loaded to BOT.
2015 */
2016 scsi_load_unload(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE,
2017 FALSE, FALSE, 1, SSD_FULL_SIZE, REWIND_TIMEOUT);
2018 error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT,

--- 92 unchanged lines hidden (view full) ---

2111 */
2112 error = sagetparams(periph, SA_PARAM_ALL,
2113 &softc->media_blksize,
2114 &softc->media_density,
2115 &softc->media_numblks,
2116 &softc->buffer_mode, &write_protect,
2117 &softc->speed, &comp_supported,
2118 &comp_enabled, &softc->comp_algorithm,
2901 softc->filemarks = 0;
2902
2903 /*
2904 * *Very* first off, make sure we're loaded to BOT.
2905 */
2906 scsi_load_unload(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE,
2907 FALSE, FALSE, 1, SSD_FULL_SIZE, REWIND_TIMEOUT);
2908 error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT,

--- 92 unchanged lines hidden (view full) ---

3001 */
3002 error = sagetparams(periph, SA_PARAM_ALL,
3003 &softc->media_blksize,
3004 &softc->media_density,
3005 &softc->media_numblks,
3006 &softc->buffer_mode, &write_protect,
3007 &softc->speed, &comp_supported,
3008 &comp_enabled, &softc->comp_algorithm,
2119 NULL);
3009 NULL, NULL, 0, 0);
2120
2121 if (error != 0) {
2122 /*
2123 * We could work a little harder here. We could
2124 * adjust our attempts to get information. It
2125 * might be an ancient tape drive. If someone
2126 * nudges us, we'll do that.
2127 */

--- 230 unchanged lines hidden (view full) ---

2358exit:
2359 if (rblim != NULL)
2360 free(rblim, M_SCSISA);
2361
2362 if (error != 0) {
2363 softc->dsreg = MTIO_DSREG_NIL;
2364 } else {
2365 softc->fileno = softc->blkno = 0;
3010
3011 if (error != 0) {
3012 /*
3013 * We could work a little harder here. We could
3014 * adjust our attempts to get information. It
3015 * might be an ancient tape drive. If someone
3016 * nudges us, we'll do that.
3017 */

--- 230 unchanged lines hidden (view full) ---

3248exit:
3249 if (rblim != NULL)
3250 free(rblim, M_SCSISA);
3251
3252 if (error != 0) {
3253 softc->dsreg = MTIO_DSREG_NIL;
3254 } else {
3255 softc->fileno = softc->blkno = 0;
3256 softc->rep_fileno = softc->rep_blkno = -1;
3257 softc->partition = 0;
2366 softc->dsreg = MTIO_DSREG_REST;
2367 }
2368#ifdef SA_1FM_AT_EOD
2369 if ((softc->quirks & SA_QUIRK_2FM) == 0)
2370 softc->quirks |= SA_QUIRK_1FM;
2371#else
2372 if ((softc->quirks & SA_QUIRK_1FM) == 0)
2373 softc->quirks |= SA_QUIRK_2FM;

--- 43 unchanged lines hidden (view full) ---

2417sacheckeod(struct cam_periph *periph)
2418{
2419 int error;
2420 int markswanted;
2421
2422 markswanted = samarkswanted(periph);
2423
2424 if (markswanted > 0) {
3258 softc->dsreg = MTIO_DSREG_REST;
3259 }
3260#ifdef SA_1FM_AT_EOD
3261 if ((softc->quirks & SA_QUIRK_2FM) == 0)
3262 softc->quirks |= SA_QUIRK_1FM;
3263#else
3264 if ((softc->quirks & SA_QUIRK_1FM) == 0)
3265 softc->quirks |= SA_QUIRK_2FM;

--- 43 unchanged lines hidden (view full) ---

3309sacheckeod(struct cam_periph *periph)
3310{
3311 int error;
3312 int markswanted;
3313
3314 markswanted = samarkswanted(periph);
3315
3316 if (markswanted > 0) {
2425 error = sawritefilemarks(periph, markswanted, FALSE);
3317 error = sawritefilemarks(periph, markswanted, FALSE, FALSE);
2426 } else {
2427 error = 0;
2428 }
2429 return (error);
2430}
2431
2432static int
2433saerror(union ccb *ccb, u_int32_t cflgs, u_int32_t sflgs)

--- 203 unchanged lines hidden (view full) ---

2637 return (error);
2638}
2639
2640static int
2641sagetparams(struct cam_periph *periph, sa_params params_to_get,
2642 u_int32_t *blocksize, u_int8_t *density, u_int32_t *numblocks,
2643 int *buff_mode, u_int8_t *write_protect, u_int8_t *speed,
2644 int *comp_supported, int *comp_enabled, u_int32_t *comp_algorithm,
3318 } else {
3319 error = 0;
3320 }
3321 return (error);
3322}
3323
3324static int
3325saerror(union ccb *ccb, u_int32_t cflgs, u_int32_t sflgs)

--- 203 unchanged lines hidden (view full) ---

3529 return (error);
3530}
3531
3532static int
3533sagetparams(struct cam_periph *periph, sa_params params_to_get,
3534 u_int32_t *blocksize, u_int8_t *density, u_int32_t *numblocks,
3535 int *buff_mode, u_int8_t *write_protect, u_int8_t *speed,
3536 int *comp_supported, int *comp_enabled, u_int32_t *comp_algorithm,
2645 sa_comp_t *tcs)
3537 sa_comp_t *tcs, struct scsi_control_data_prot_subpage *prot_page,
3538 int dp_size, int prot_changeable)
2646{
2647 union ccb *ccb;
2648 void *mode_buffer;
2649 struct scsi_mode_header_6 *mode_hdr;
2650 struct scsi_mode_blk_desc *mode_blk;
2651 int mode_buffer_len;
2652 struct sa_softc *softc;
2653 u_int8_t cpage;

--- 141 unchanged lines hidden (view full) ---

2795 *comp_enabled =
2796 (cp->sel_comp_alg != SA_COMP_NONE)? TRUE : FALSE;
2797 *comp_algorithm = cp->sel_comp_alg;
2798 }
2799 if (tcs != NULL)
2800 bcopy(ntcs, tcs, sizeof (sa_comp_t));
2801 }
2802
3539{
3540 union ccb *ccb;
3541 void *mode_buffer;
3542 struct scsi_mode_header_6 *mode_hdr;
3543 struct scsi_mode_blk_desc *mode_blk;
3544 int mode_buffer_len;
3545 struct sa_softc *softc;
3546 u_int8_t cpage;

--- 141 unchanged lines hidden (view full) ---

3688 *comp_enabled =
3689 (cp->sel_comp_alg != SA_COMP_NONE)? TRUE : FALSE;
3690 *comp_algorithm = cp->sel_comp_alg;
3691 }
3692 if (tcs != NULL)
3693 bcopy(ntcs, tcs, sizeof (sa_comp_t));
3694 }
3695
3696 if ((params_to_get & SA_PARAM_DENSITY_EXT)
3697 && (softc->scsi_rev >= SCSI_REV_SPC)) {
3698 int i;
3699
3700 for (i = 0; i < SA_DENSITY_TYPES; i++) {
3701 scsi_report_density_support(&ccb->csio,
3702 /*retries*/ 1,
3703 /*cbfcnp*/ sadone,
3704 /*tag_action*/ MSG_SIMPLE_Q_TAG,
3705 /*media*/ softc->density_type_bits[i] & SRDS_MEDIA,
3706 /*medium_type*/ softc->density_type_bits[i] &
3707 SRDS_MEDIUM_TYPE,
3708 /*data_ptr*/ softc->density_info[i],
3709 /*length*/ sizeof(softc->density_info[i]),
3710 /*sense_len*/ SSD_FULL_SIZE,
3711 /*timeout*/ REP_DENSITY_TIMEOUT);
3712 error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT,
3713 softc->device_stats);
3714 status = ccb->ccb_h.status & CAM_STATUS_MASK;
3715
3716 /*
3717 * Some tape drives won't support this command at
3718 * all, but hopefully we'll minimize that with the
3719 * check for SPC or greater support above. If they
3720 * don't support the default report (neither the
3721 * MEDIA or MEDIUM_TYPE bits set), then there is
3722 * really no point in continuing on to look for
3723 * other reports.
3724 */
3725 if ((error != 0)
3726 || (status != CAM_REQ_CMP)) {
3727 error = 0;
3728 softc->density_info_valid[i] = 0;
3729 if (softc->density_type_bits[i] == 0)
3730 break;
3731 else
3732 continue;
3733 }
3734 softc->density_info_valid[i] = ccb->csio.dxfer_len -
3735 ccb->csio.resid;
3736 }
3737 }
3738
3739 /*
3740 * Get logical block protection parameters if the drive supports it.
3741 */
3742 if ((params_to_get & SA_PARAM_LBP)
3743 && (softc->flags & SA_FLAG_PROTECT_SUPP)) {
3744 struct scsi_mode_header_10 *mode10_hdr;
3745 struct scsi_control_data_prot_subpage *dp_page;
3746 struct scsi_mode_sense_10 *cdb;
3747 struct sa_prot_state *prot;
3748 int dp_len, returned_len;
3749
3750 if (dp_size == 0)
3751 dp_size = sizeof(*dp_page);
3752
3753 dp_len = sizeof(*mode10_hdr) + dp_size;
3754 mode10_hdr = malloc(dp_len, M_SCSISA, M_NOWAIT | M_ZERO);
3755 if (mode10_hdr == NULL) {
3756 error = ENOMEM;
3757 goto sagetparamsexit;
3758 }
3759
3760 scsi_mode_sense_len(&ccb->csio,
3761 /*retries*/ 5,
3762 /*cbfcnp*/ sadone,
3763 /*tag_action*/ MSG_SIMPLE_Q_TAG,
3764 /*dbd*/ TRUE,
3765 /*page_code*/ (prot_changeable == 0) ?
3766 SMS_PAGE_CTRL_CURRENT :
3767 SMS_PAGE_CTRL_CHANGEABLE,
3768 /*page*/ SMS_CONTROL_MODE_PAGE,
3769 /*param_buf*/ (uint8_t *)mode10_hdr,
3770 /*param_len*/ dp_len,
3771 /*minimum_cmd_size*/ 10,
3772 /*sense_len*/ SSD_FULL_SIZE,
3773 /*timeout*/ SCSIOP_TIMEOUT);
3774 /*
3775 * XXX KDM we need to be able to set the subpage in the
3776 * fill function.
3777 */
3778 cdb = (struct scsi_mode_sense_10 *)ccb->csio.cdb_io.cdb_bytes;
3779 cdb->subpage = SA_CTRL_DP_SUBPAGE_CODE;
3780
3781 error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT,
3782 softc->device_stats);
3783 if (error != 0) {
3784 free(mode10_hdr, M_SCSISA);
3785 goto sagetparamsexit;
3786 }
3787
3788 status = ccb->ccb_h.status & CAM_STATUS_MASK;
3789 if (status != CAM_REQ_CMP) {
3790 error = EINVAL;
3791 free(mode10_hdr, M_SCSISA);
3792 goto sagetparamsexit;
3793 }
3794
3795 /*
3796 * The returned data length at least has to be long enough
3797 * for us to look at length in the mode page header.
3798 */
3799 returned_len = ccb->csio.dxfer_len - ccb->csio.resid;
3800 if (returned_len < sizeof(mode10_hdr->data_length)) {
3801 error = EINVAL;
3802 free(mode10_hdr, M_SCSISA);
3803 goto sagetparamsexit;
3804 }
3805
3806 returned_len = min(returned_len,
3807 sizeof(mode10_hdr->data_length) +
3808 scsi_2btoul(mode10_hdr->data_length));
3809
3810 dp_page = (struct scsi_control_data_prot_subpage *)
3811 &mode10_hdr[1];
3812
3813 /*
3814 * We also have to have enough data to include the prot_bits
3815 * in the subpage.
3816 */
3817 if (returned_len < (sizeof(*mode10_hdr) +
3818 __offsetof(struct scsi_control_data_prot_subpage, prot_bits)
3819 + sizeof(dp_page->prot_bits))) {
3820 error = EINVAL;
3821 free(mode10_hdr, M_SCSISA);
3822 goto sagetparamsexit;
3823 }
3824
3825 prot = &softc->prot_info.cur_prot_state;
3826 prot->prot_method = dp_page->prot_method;
3827 prot->pi_length = dp_page->pi_length &
3828 SA_CTRL_DP_PI_LENGTH_MASK;
3829 prot->lbp_w = (dp_page->prot_bits & SA_CTRL_DP_LBP_W) ? 1 :0;
3830 prot->lbp_r = (dp_page->prot_bits & SA_CTRL_DP_LBP_R) ? 1 :0;
3831 prot->rbdp = (dp_page->prot_bits & SA_CTRL_DP_RBDP) ? 1 :0;
3832 prot->initialized = 1;
3833
3834 if (prot_page != NULL)
3835 bcopy(dp_page, prot_page, min(sizeof(*prot_page),
3836 sizeof(*dp_page)));
3837
3838 free(mode10_hdr, M_SCSISA);
3839 }
3840
2803 if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO)) {
2804 int idx;
2805 char *xyz = mode_buffer;
2806 xpt_print_path(periph->path);
2807 printf("Mode Sense Data=");
2808 for (idx = 0; idx < mode_buffer_len; idx++)
2809 printf(" 0x%02x", xyz[idx] & 0xff);
2810 printf("\n");
2811 }
2812
2813sagetparamsexit:
2814
2815 xpt_release_ccb(ccb);
2816 free(mode_buffer, M_SCSISA);
2817 return (error);
2818}
2819
2820/*
3841 if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO)) {
3842 int idx;
3843 char *xyz = mode_buffer;
3844 xpt_print_path(periph->path);
3845 printf("Mode Sense Data=");
3846 for (idx = 0; idx < mode_buffer_len; idx++)
3847 printf(" 0x%02x", xyz[idx] & 0xff);
3848 printf("\n");
3849 }
3850
3851sagetparamsexit:
3852
3853 xpt_release_ccb(ccb);
3854 free(mode_buffer, M_SCSISA);
3855 return (error);
3856}
3857
3858/*
3859 * Set protection information to the pending protection information stored
3860 * in the softc.
3861 */
3862static int
3863sasetprot(struct cam_periph *periph, struct sa_prot_state *new_prot)
3864{
3865 struct sa_softc *softc;
3866 struct scsi_control_data_prot_subpage *dp_page, *dp_changeable;
3867 struct scsi_mode_header_10 *mode10_hdr, *mode10_changeable;
3868 union ccb *ccb;
3869 uint8_t current_speed;
3870 size_t dp_size, dp_page_length;
3871 int dp_len, buff_mode;
3872 int error;
3873
3874 softc = (struct sa_softc *)periph->softc;
3875 mode10_hdr = NULL;
3876 mode10_changeable = NULL;
3877 ccb = NULL;
3878
3879 /*
3880 * Start off with the size set to the actual length of the page
3881 * that we have defined.
3882 */
3883 dp_size = sizeof(*dp_changeable);
3884 dp_page_length = dp_size -
3885 __offsetof(struct scsi_control_data_prot_subpage, prot_method);
3886
3887retry_length:
3888
3889 dp_len = sizeof(*mode10_changeable) + dp_size;
3890 mode10_changeable = malloc(dp_len, M_SCSISA, M_NOWAIT | M_ZERO);
3891 if (mode10_changeable == NULL) {
3892 error = ENOMEM;
3893 goto bailout;
3894 }
3895
3896 dp_changeable =
3897 (struct scsi_control_data_prot_subpage *)&mode10_changeable[1];
3898
3899 /*
3900 * First get the data protection page changeable parameters mask.
3901 * We need to know which parameters the drive supports changing.
3902 * We also need to know what the drive claims that its page length
3903 * is. The reason is that IBM drives in particular are very picky
3904 * about the page length. They want it (the length set in the
3905 * page structure itself) to be 28 bytes, and they want the
3906 * parameter list length specified in the mode select header to be
3907 * 40 bytes. So, to work with IBM drives as well as any other tape
3908 * drive, find out what the drive claims the page length is, and
3909 * make sure that we match that.
3910 */
3911 error = sagetparams(periph, SA_PARAM_SPEED | SA_PARAM_LBP,
3912 NULL, NULL, NULL, &buff_mode, NULL, &current_speed, NULL, NULL,
3913 NULL, NULL, dp_changeable, dp_size, /*prot_changeable*/ 1);
3914 if (error != 0)
3915 goto bailout;
3916
3917 if (scsi_2btoul(dp_changeable->length) > dp_page_length) {
3918 dp_page_length = scsi_2btoul(dp_changeable->length);
3919 dp_size = dp_page_length +
3920 __offsetof(struct scsi_control_data_prot_subpage,
3921 prot_method);
3922 free(mode10_changeable, M_SCSISA);
3923 mode10_changeable = NULL;
3924 goto retry_length;
3925 }
3926
3927 mode10_hdr = malloc(dp_len, M_SCSISA, M_NOWAIT | M_ZERO);
3928 if (mode10_hdr == NULL) {
3929 error = ENOMEM;
3930 goto bailout;
3931 }
3932
3933 dp_page = (struct scsi_control_data_prot_subpage *)&mode10_hdr[1];
3934
3935 /*
3936 * Now grab the actual current settings in the page.
3937 */
3938 error = sagetparams(periph, SA_PARAM_SPEED | SA_PARAM_LBP,
3939 NULL, NULL, NULL, &buff_mode, NULL, &current_speed, NULL, NULL,
3940 NULL, NULL, dp_page, dp_size, /*prot_changeable*/ 0);
3941 if (error != 0)
3942 goto bailout;
3943
3944 /* These two fields need to be 0 for MODE SELECT */
3945 scsi_ulto2b(0, mode10_hdr->data_length);
3946 mode10_hdr->medium_type = 0;
3947 /* We are not including a block descriptor */
3948 scsi_ulto2b(0, mode10_hdr->blk_desc_len);
3949
3950 mode10_hdr->dev_spec = current_speed;
3951 /* if set, set single-initiator buffering mode */
3952 if (softc->buffer_mode == SMH_SA_BUF_MODE_SIBUF) {
3953 mode10_hdr->dev_spec |= SMH_SA_BUF_MODE_SIBUF;
3954 }
3955
3956 /*
3957 * For each field, make sure that the drive allows changing it
3958 * before bringing in the user's setting.
3959 */
3960 if (dp_changeable->prot_method != 0)
3961 dp_page->prot_method = new_prot->prot_method;
3962
3963 if (dp_changeable->pi_length & SA_CTRL_DP_PI_LENGTH_MASK) {
3964 dp_page->pi_length &= ~SA_CTRL_DP_PI_LENGTH_MASK;
3965 dp_page->pi_length |= (new_prot->pi_length &
3966 SA_CTRL_DP_PI_LENGTH_MASK);
3967 }
3968 if (dp_changeable->prot_bits & SA_CTRL_DP_LBP_W) {
3969 if (new_prot->lbp_w)
3970 dp_page->prot_bits |= SA_CTRL_DP_LBP_W;
3971 else
3972 dp_page->prot_bits &= ~SA_CTRL_DP_LBP_W;
3973 }
3974
3975 if (dp_changeable->prot_bits & SA_CTRL_DP_LBP_R) {
3976 if (new_prot->lbp_r)
3977 dp_page->prot_bits |= SA_CTRL_DP_LBP_R;
3978 else
3979 dp_page->prot_bits &= ~SA_CTRL_DP_LBP_R;
3980 }
3981
3982 if (dp_changeable->prot_bits & SA_CTRL_DP_RBDP) {
3983 if (new_prot->rbdp)
3984 dp_page->prot_bits |= SA_CTRL_DP_RBDP;
3985 else
3986 dp_page->prot_bits &= ~SA_CTRL_DP_RBDP;
3987 }
3988
3989 ccb = cam_periph_getccb(periph, 1);
3990
3991 scsi_mode_select_len(&ccb->csio,
3992 /*retries*/ 5,
3993 /*cbfcnp*/ sadone,
3994 /*tag_action*/ MSG_SIMPLE_Q_TAG,
3995 /*scsi_page_fmt*/ TRUE,
3996 /*save_pages*/ FALSE,
3997 /*param_buf*/ (uint8_t *)mode10_hdr,
3998 /*param_len*/ dp_len,
3999 /*minimum_cmd_size*/ 10,
4000 /*sense_len*/ SSD_FULL_SIZE,
4001 /*timeout*/ SCSIOP_TIMEOUT);
4002
4003 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
4004 if (error != 0)
4005 goto bailout;
4006
4007 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4008 error = EINVAL;
4009 goto bailout;
4010 }
4011
4012 /*
4013 * The operation was successful. We could just copy the settings
4014 * the user requested, but just in case the drive ignored some of
4015 * our settings, let's ask for status again.
4016 */
4017 error = sagetparams(periph, SA_PARAM_SPEED | SA_PARAM_LBP,
4018 NULL, NULL, NULL, &buff_mode, NULL, &current_speed, NULL, NULL,
4019 NULL, NULL, dp_page, dp_size, 0);
4020
4021bailout:
4022 if (ccb != NULL)
4023 xpt_release_ccb(ccb);
4024 free(mode10_hdr, M_SCSISA);
4025 free(mode10_changeable, M_SCSISA);
4026 return (error);
4027}
4028
4029/*
2821 * The purpose of this function is to set one of four different parameters
2822 * for a tape drive:
2823 * - blocksize
2824 * - density
2825 * - compression / compression algorithm
2826 * - buffering mode
2827 *
2828 * The assumption is that this will be called from saioctl(), and therefore

--- 35 unchanged lines hidden (view full) ---

2864 * write protection, we won't try to get the current value. We
2865 * always want to get the blocksize, so we can set it back to the
2866 * proper value.
2867 */
2868 error = sagetparams(periph,
2869 params_to_set | SA_PARAM_BLOCKSIZE | SA_PARAM_SPEED,
2870 &current_blocksize, &current_density, NULL, &buff_mode, NULL,
2871 &current_speed, &comp_supported, &comp_enabled,
4030 * The purpose of this function is to set one of four different parameters
4031 * for a tape drive:
4032 * - blocksize
4033 * - density
4034 * - compression / compression algorithm
4035 * - buffering mode
4036 *
4037 * The assumption is that this will be called from saioctl(), and therefore

--- 35 unchanged lines hidden (view full) ---

4073 * write protection, we won't try to get the current value. We
4074 * always want to get the blocksize, so we can set it back to the
4075 * proper value.
4076 */
4077 error = sagetparams(periph,
4078 params_to_set | SA_PARAM_BLOCKSIZE | SA_PARAM_SPEED,
4079 &current_blocksize, &current_density, NULL, &buff_mode, NULL,
4080 &current_speed, &comp_supported, &comp_enabled,
2872 ¤t_calg, ccomp);
4081 &current_calg, ccomp, NULL, 0, 0);
2873
2874 if (error != 0) {
2875 free(ccomp, M_SCSISA);
2876 return (error);
2877 }
2878
2879 mode_buffer_len = sizeof(*mode_hdr) + sizeof(*mode_blk);
2880 if (params_to_set & SA_PARAM_COMPRESSION)

--- 262 unchanged lines hidden (view full) ---

3143 softc->comp_algorithm = calg;
3144 }
3145 }
3146
3147 free(mode_buffer, M_SCSISA);
3148 return (error);
3149}
3150
4082
4083 if (error != 0) {
4084 free(ccomp, M_SCSISA);
4085 return (error);
4086 }
4087
4088 mode_buffer_len = sizeof(*mode_hdr) + sizeof(*mode_blk);
4089 if (params_to_set & SA_PARAM_COMPRESSION)

--- 262 unchanged lines hidden (view full) ---

4352 softc->comp_algorithm = calg;
4353 }
4354 }
4355
4356 free(mode_buffer, M_SCSISA);
4357 return (error);
4358}
4359
4360static int
4361saextget(struct cdev *dev, struct cam_periph *periph, struct sbuf *sb,
4362 struct mtextget *g)
4363{
4364 int indent, error;
4365 char tmpstr[80];
4366 struct sa_softc *softc;
4367 int tmpint;
4368 uint32_t maxio_tmp;
4369 struct ccb_getdev cgd;
4370
4371 softc = (struct sa_softc *)periph->softc;
4372
4373 error = 0;
4374
4375 error = sagetparams_common(dev, periph);
4376 if (error)
4377 goto extget_bailout;
4378 if (!SA_IS_CTRL(dev) && !softc->open_pending_mount)
4379 sagetpos(periph);
4380
4381 indent = 0;
4382 SASBADDNODE(sb, indent, mtextget);
4383 /*
4384 * Basic CAM peripheral information.
4385 */
4386 SASBADDVARSTR(sb, indent, periph->periph_name, %s, periph_name,
4387 strlen(periph->periph_name) + 1);
4388 SASBADDUINT(sb, indent, periph->unit_number, %u, unit_number);
4389 xpt_setup_ccb(&cgd.ccb_h,
4390 periph->path,
4391 CAM_PRIORITY_NORMAL);
4392 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4393 xpt_action((union ccb *)&cgd);
4394 if ((cgd.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4395 g->status = MT_EXT_GET_ERROR;
4396 snprintf(g->error_str, sizeof(g->error_str),
4397 "Error %#x returned for XPT_GDEV_TYPE CCB",
4398 cgd.ccb_h.status);
4399 goto extget_bailout;
4400 }
4401
4402 cam_strvis(tmpstr, cgd.inq_data.vendor,
4403 sizeof(cgd.inq_data.vendor), sizeof(tmpstr));
4404 SASBADDVARSTRDESC(sb, indent, tmpstr, %s, vendor,
4405 sizeof(cgd.inq_data.vendor) + 1, "SCSI Vendor ID");
4406
4407 cam_strvis(tmpstr, cgd.inq_data.product,
4408 sizeof(cgd.inq_data.product), sizeof(tmpstr));
4409 SASBADDVARSTRDESC(sb, indent, tmpstr, %s, product,
4410 sizeof(cgd.inq_data.product) + 1, "SCSI Product ID");
4411
4412 cam_strvis(tmpstr, cgd.inq_data.revision,
4413 sizeof(cgd.inq_data.revision), sizeof(tmpstr));
4414 SASBADDVARSTRDESC(sb, indent, tmpstr, %s, revision,
4415 sizeof(cgd.inq_data.revision) + 1, "SCSI Revision");
4416
4417 if (cgd.serial_num_len > 0) {
4418 char *tmpstr2;
4419 size_t ts2_len;
4420 int ts2_malloc;
4421
4422 ts2_len = 0;
4423
4424 if (cgd.serial_num_len > sizeof(tmpstr)) {
4425 ts2_len = cgd.serial_num_len + 1;
4426 ts2_malloc = 1;
4427 tmpstr2 = malloc(ts2_len, M_SCSISA, M_WAITOK | M_ZERO);
4428 } else {
4429 ts2_len = sizeof(tmpstr);
4430 ts2_malloc = 0;
4431 tmpstr2 = tmpstr;
4432 }
4433
4434 cam_strvis(tmpstr2, cgd.serial_num, cgd.serial_num_len,
4435 ts2_len);
4436
4437 SASBADDVARSTRDESC(sb, indent, tmpstr2, %s, serial_num,
4438 (ssize_t)cgd.serial_num_len + 1, "Serial Number");
4439 if (ts2_malloc != 0)
4440 free(tmpstr2, M_SCSISA);
4441 } else {
4442 /*
4443 * We return a serial_num element in any case, but it will
4444 * be empty if the device has no serial number.
4445 */
4446 tmpstr[0] = '\0';
4447 SASBADDVARSTRDESC(sb, indent, tmpstr, %s, serial_num,
4448 (ssize_t)0, "Serial Number");
4449 }
4450
4451 SASBADDUINTDESC(sb, indent, softc->maxio, %u, maxio,
4452 "Maximum I/O size allowed by driver and controller");
4453
4454 SASBADDUINTDESC(sb, indent, softc->cpi_maxio, %u, cpi_maxio,
4455 "Maximum I/O size reported by controller");
4456
4457 SASBADDUINTDESC(sb, indent, softc->max_blk, %u, max_blk,
4458 "Maximum block size supported by tape drive and media");
4459
4460 SASBADDUINTDESC(sb, indent, softc->min_blk, %u, min_blk,
4461 "Minimum block size supported by tape drive and media");
4462
4463 SASBADDUINTDESC(sb, indent, softc->blk_gran, %u, blk_gran,
4464 "Block granularity supported by tape drive and media");
4465
4466 maxio_tmp = min(softc->max_blk, softc->maxio);
4467
4468 SASBADDUINTDESC(sb, indent, maxio_tmp, %u, max_effective_iosize,
4469 "Maximum possible I/O size");
4470
4471 SASBADDINTDESC(sb, indent, softc->flags & SA_FLAG_FIXED ? 1 : 0, %d,
4472 fixed_mode, "Set to 1 for fixed block mode, 0 for variable block");
4473
4474 /*
4475 * XXX KDM include SIM, bus, target, LUN?
4476 */
4477 if (softc->flags & SA_FLAG_COMP_UNSUPP)
4478 tmpint = 0;
4479 else
4480 tmpint = 1;
4481 SASBADDINTDESC(sb, indent, tmpint, %d, compression_supported,
4482 "Set to 1 if compression is supported, 0 if not");
4483 if (softc->flags & SA_FLAG_COMP_ENABLED)
4484 tmpint = 1;
4485 else
4486 tmpint = 0;
4487 SASBADDINTDESC(sb, indent, tmpint, %d, compression_enabled,
4488 "Set to 1 if compression is enabled, 0 if not");
4489 SASBADDUINTDESC(sb, indent, softc->comp_algorithm, %u,
4490 compression_algorithm, "Numeric compression algorithm");
4491
4492 safillprot(softc, &indent, sb);
4493
4494 SASBADDUINTDESC(sb, indent, softc->media_blksize, %u,
4495 media_blocksize, "Block size reported by drive or set by user");
4496 SASBADDINTDESC(sb, indent, (intmax_t)softc->fileno, %jd,
4497 calculated_fileno, "Calculated file number, -1 if unknown");
4498 SASBADDINTDESC(sb, indent, (intmax_t)softc->blkno, %jd,
4499 calculated_rel_blkno, "Calculated block number relative to file, "
4500 "set to -1 if unknown");
4501 SASBADDINTDESC(sb, indent, (intmax_t)softc->rep_fileno, %jd,
4502 reported_fileno, "File number reported by drive, -1 if unknown");
4503 SASBADDINTDESC(sb, indent, (intmax_t)softc->rep_blkno, %jd,
4504 reported_blkno, "Block number relative to BOP/BOT reported by "
4505 "drive, -1 if unknown");
4506 SASBADDINTDESC(sb, indent, (intmax_t)softc->partition, %jd,
4507 partition, "Current partition number, 0 is the default");
4508 SASBADDINTDESC(sb, indent, softc->bop, %d, bop,
4509 "Set to 1 if drive is at the beginning of partition/tape, 0 if "
4510 "not, -1 if unknown");
4511 SASBADDINTDESC(sb, indent, softc->eop, %d, eop,
4512 "Set to 1 if drive is past early warning, 0 if not, -1 if unknown");
4513 SASBADDINTDESC(sb, indent, softc->bpew, %d, bpew,
4514 "Set to 1 if drive is past programmable early warning, 0 if not, "
4515 "-1 if unknown");
4516 SASBADDINTDESC(sb, indent, (intmax_t)softc->last_io_resid, %jd,
4517 residual, "Residual for the last I/O");
4518 /*
4519 * XXX KDM should we send a string with the current driver
4520 * status already decoded instead of a numeric value?
4521 */
4522 SASBADDINTDESC(sb, indent, softc->dsreg, %d, dsreg,
4523 "Current state of the driver");
4524
4525 safilldensitysb(softc, &indent, sb);
4526
4527 SASBENDNODE(sb, indent, mtextget);
4528
4529extget_bailout:
4530
4531 return (error);
4532}
4533
4534static int
4535saparamget(struct sa_softc *softc, struct sbuf *sb)
4536{
4537 int indent;
4538
4539 indent = 0;
4540 SASBADDNODE(sb, indent, mtparamget);
4541 SASBADDINTDESC(sb, indent, softc->sili, %d, sili,
4542 "Suppress an error on underlength variable reads");
4543 SASBADDINTDESC(sb, indent, softc->eot_warn, %d, eot_warn,
4544 "Return an error to warn that end of tape is approaching");
4545 safillprot(softc, &indent, sb);
4546 SASBENDNODE(sb, indent, mtparamget);
4547
4548 return (0);
4549}
4550
3151static void
3152saprevent(struct cam_periph *periph, int action)
3153{
3154 struct sa_softc *softc;
3155 union ccb *ccb;
3156 int error, sf;
3157
3158 softc = (struct sa_softc *)periph->softc;

--- 43 unchanged lines hidden (view full) ---

3202 scsi_rewind(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE,
3203 SSD_FULL_SIZE, REWIND_TIMEOUT);
3204
3205 softc->dsreg = MTIO_DSREG_REW;
3206 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
3207 softc->dsreg = MTIO_DSREG_REST;
3208
3209 xpt_release_ccb(ccb);
4551static void
4552saprevent(struct cam_periph *periph, int action)
4553{
4554 struct sa_softc *softc;
4555 union ccb *ccb;
4556 int error, sf;
4557
4558 softc = (struct sa_softc *)periph->softc;

--- 43 unchanged lines hidden (view full) ---

4602 scsi_rewind(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE,
4603 SSD_FULL_SIZE, REWIND_TIMEOUT);
4604
4605 softc->dsreg = MTIO_DSREG_REW;
4606 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
4607 softc->dsreg = MTIO_DSREG_REST;
4608
4609 xpt_release_ccb(ccb);
3210 if (error == 0)
3211 softc->fileno = softc->blkno = (daddr_t) 0;
3212 else
4610 if (error == 0) {
4611 softc->partition = softc->fileno = softc->blkno = (daddr_t) 0;
4612 softc->rep_fileno = softc->rep_blkno = (daddr_t) 0;
4613 } else {
3213 softc->fileno = softc->blkno = (daddr_t) -1;
4614 softc->fileno = softc->blkno = (daddr_t) -1;
4615 softc->partition = (daddr_t) -1;
4616 softc->rep_fileno = softc->rep_blkno = (daddr_t) -1;
4617 }
3214 return (error);
3215}
3216
3217static int
3218saspace(struct cam_periph *periph, int count, scsi_space_code code)
3219{
3220 union ccb *ccb;
3221 struct sa_softc *softc;

--- 35 unchanged lines hidden (view full) ---

3257 * In the former case, we know our new record number (0). In
3258 * the latter case, we have absolutely no idea what the real
3259 * record number is- we've stopped between the end of the last
3260 * record in the previous file and the filemark that stopped
3261 * our spacing backwards.
3262 */
3263 if (error) {
3264 softc->fileno = softc->blkno = (daddr_t) -1;
4618 return (error);
4619}
4620
4621static int
4622saspace(struct cam_periph *periph, int count, scsi_space_code code)
4623{
4624 union ccb *ccb;
4625 struct sa_softc *softc;

--- 35 unchanged lines hidden (view full) ---

4661 * In the former case, we know our new record number (0). In
4662 * the latter case, we have absolutely no idea what the real
4663 * record number is- we've stopped between the end of the last
4664 * record in the previous file and the filemark that stopped
4665 * our spacing backwards.
4666 */
4667 if (error) {
4668 softc->fileno = softc->blkno = (daddr_t) -1;
4669 softc->rep_blkno = softc->partition = (daddr_t) -1;
4670 softc->rep_fileno = (daddr_t) -1;
3265 } else if (code == SS_SETMARKS || code == SS_EOD) {
3266 softc->fileno = softc->blkno = (daddr_t) -1;
3267 } else if (code == SS_FILEMARKS && softc->fileno != (daddr_t) -1) {
3268 softc->fileno += (count - softc->last_ctl_resid);
3269 if (softc->fileno < 0) /* we must of hit BOT */
3270 softc->fileno = 0;
3271 softc->blkno = 0;
3272 } else if (code == SS_BLOCKS && softc->blkno != (daddr_t) -1) {
3273 softc->blkno += (count - softc->last_ctl_resid);
3274 if (count < 0) {
3275 if (softc->last_ctl_resid || softc->blkno < 0) {
3276 if (softc->fileno == 0) {
3277 softc->blkno = 0;
3278 } else {
3279 softc->blkno = (daddr_t) -1;
3280 }
3281 }
3282 }
3283 }
4671 } else if (code == SS_SETMARKS || code == SS_EOD) {
4672 softc->fileno = softc->blkno = (daddr_t) -1;
4673 } else if (code == SS_FILEMARKS && softc->fileno != (daddr_t) -1) {
4674 softc->fileno += (count - softc->last_ctl_resid);
4675 if (softc->fileno < 0) /* we must of hit BOT */
4676 softc->fileno = 0;
4677 softc->blkno = 0;
4678 } else if (code == SS_BLOCKS && softc->blkno != (daddr_t) -1) {
4679 softc->blkno += (count - softc->last_ctl_resid);
4680 if (count < 0) {
4681 if (softc->last_ctl_resid || softc->blkno < 0) {
4682 if (softc->fileno == 0) {
4683 softc->blkno = 0;
4684 } else {
4685 softc->blkno = (daddr_t) -1;
4686 }
4687 }
4688 }
4689 }
4690 if (error == 0)
4691 sagetpos(periph);
4692
3284 return (error);
3285}
3286
3287static int
4693 return (error);
4694}
4695
4696static int
3288sawritefilemarks(struct cam_periph *periph, int nmarks, int setmarks)
4697sawritefilemarks(struct cam_periph *periph, int nmarks, int setmarks, int immed)
3289{
3290 union ccb *ccb;
3291 struct sa_softc *softc;
3292 int error, nwm = 0;
3293
3294 softc = (struct sa_softc *)periph->softc;
3295 if (softc->open_rdonly)
3296 return (EBADF);
3297
3298 ccb = cam_periph_getccb(periph, 1);
3299 /*
3300 * Clear residual because we will be using it.
3301 */
3302 softc->last_ctl_resid = 0;
3303
3304 softc->dsreg = MTIO_DSREG_FMK;
3305 /* this *must* not be retried */
3306 scsi_write_filemarks(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG,
4698{
4699 union ccb *ccb;
4700 struct sa_softc *softc;
4701 int error, nwm = 0;
4702
4703 softc = (struct sa_softc *)periph->softc;
4704 if (softc->open_rdonly)
4705 return (EBADF);
4706
4707 ccb = cam_periph_getccb(periph, 1);
4708 /*
4709 * Clear residual because we will be using it.
4710 */
4711 softc->last_ctl_resid = 0;
4712
4713 softc->dsreg = MTIO_DSREG_FMK;
4714 /* this *must* not be retried */
4715 scsi_write_filemarks(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG,
3307 FALSE, setmarks, nmarks, SSD_FULL_SIZE, IO_TIMEOUT);
4716 immed, setmarks, nmarks, SSD_FULL_SIZE, IO_TIMEOUT);
3308 softc->dsreg = MTIO_DSREG_REST;
3309
3310
3311 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
3312
3313 if (error == 0 && nmarks) {
3314 struct sa_softc *softc = (struct sa_softc *)periph->softc;
3315 nwm = nmarks - softc->last_ctl_resid;
3316 softc->filemarks += nwm;
3317 }
3318
3319 xpt_release_ccb(ccb);
3320
3321 /*
3322 * Update relative positions (if we're doing that).
3323 */
3324 if (error) {
4717 softc->dsreg = MTIO_DSREG_REST;
4718
4719
4720 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
4721
4722 if (error == 0 && nmarks) {
4723 struct sa_softc *softc = (struct sa_softc *)periph->softc;
4724 nwm = nmarks - softc->last_ctl_resid;
4725 softc->filemarks += nwm;
4726 }
4727
4728 xpt_release_ccb(ccb);
4729
4730 /*
4731 * Update relative positions (if we're doing that).
4732 */
4733 if (error) {
3325 softc->fileno = softc->blkno = (daddr_t) -1;
4734 softc->fileno = softc->blkno = softc->partition = (daddr_t) -1;
3326 } else if (softc->fileno != (daddr_t) -1) {
3327 softc->fileno += nwm;
3328 softc->blkno = 0;
3329 }
4735 } else if (softc->fileno != (daddr_t) -1) {
4736 softc->fileno += nwm;
4737 softc->blkno = 0;
4738 }
4739
4740 /*
4741 * Ask the tape drive for position information.
4742 */
4743 sagetpos(periph);
4744
4745 /*
4746 * If we got valid position information, since we just wrote a file
4747 * mark, we know we're at the file mark and block 0 after that
4748 * filemark.
4749 */
4750 if (softc->rep_fileno != (daddr_t) -1) {
4751 softc->fileno = softc->rep_fileno;
4752 softc->blkno = 0;
4753 }
4754
3330 return (error);
3331}
3332
3333static int
4755 return (error);
4756}
4757
4758static int
4759sagetpos(struct cam_periph *periph)
4760{
4761 union ccb *ccb;
4762 struct scsi_tape_position_long_data long_pos;
4763 struct sa_softc *softc = (struct sa_softc *)periph->softc;
4764 int error;
4765
4766 if (softc->quirks & SA_QUIRK_NO_LONG_POS) {
4767 softc->rep_fileno = (daddr_t) -1;
4768 softc->rep_blkno = (daddr_t) -1;
4769 softc->bop = softc->eop = softc->bpew = -1;
4770 return (EOPNOTSUPP);
4771 }
4772
4773 bzero(&long_pos, sizeof(long_pos));
4774
4775 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
4776 scsi_read_position_10(&ccb->csio,
4777 /*retries*/ 1,
4778 /*cbfcnp*/ sadone,
4779 /*tag_action*/ MSG_SIMPLE_Q_TAG,
4780 /*service_action*/ SA_RPOS_LONG_FORM,
4781 /*data_ptr*/ (uint8_t *)&long_pos,
4782 /*length*/ sizeof(long_pos),
4783 /*sense_len*/ SSD_FULL_SIZE,
4784 /*timeout*/ SCSIOP_TIMEOUT);
4785
4786 softc->dsreg = MTIO_DSREG_RBSY;
4787 error = cam_periph_runccb(ccb, saerror, 0, SF_QUIET_IR,
4788 softc->device_stats);
4789 softc->dsreg = MTIO_DSREG_REST;
4790
4791 if (error == 0) {
4792 if (long_pos.flags & SA_RPOS_LONG_MPU) {
4793 /*
4794 * If the drive doesn't know what file mark it is
4795 * on, our calculated filemark isn't going to be
4796 * accurate either.
4797 */
4798 softc->fileno = (daddr_t) -1;
4799 softc->rep_fileno = (daddr_t) -1;
4800 } else {
4801 softc->fileno = softc->rep_fileno =
4802 scsi_8btou64(long_pos.logical_file_num);
4803 }
4804
4805 if (long_pos.flags & SA_RPOS_LONG_LONU) {
4806 softc->partition = (daddr_t) -1;
4807 softc->rep_blkno = (daddr_t) -1;
4808 /*
4809 * If the tape drive doesn't know its block
4810 * position, we can't claim to know it either.
4811 */
4812 softc->blkno = (daddr_t) -1;
4813 } else {
4814 softc->partition = scsi_4btoul(long_pos.partition);
4815 softc->rep_blkno =
4816 scsi_8btou64(long_pos.logical_object_num);
4817 }
4818 if (long_pos.flags & SA_RPOS_LONG_BOP)
4819 softc->bop = 1;
4820 else
4821 softc->bop = 0;
4822
4823 if (long_pos.flags & SA_RPOS_LONG_EOP)
4824 softc->eop = 1;
4825 else
4826 softc->eop = 0;
4827
4828 if (long_pos.flags & SA_RPOS_LONG_BPEW)
4829 softc->bpew = 1;
4830 else
4831 softc->bpew = 0;
4832 } else if (error == EINVAL) {
4833 /*
4834 * If this drive returned an invalid-request type error,
4835 * then it likely doesn't support the long form report.
4836 */
4837 softc->quirks |= SA_QUIRK_NO_LONG_POS;
4838 }
4839
4840 if (error != 0) {
4841 softc->rep_fileno = softc->rep_blkno = (daddr_t) -1;
4842 softc->partition = (daddr_t) -1;
4843 softc->bop = softc->eop = softc->bpew = -1;
4844 }
4845
4846 xpt_release_ccb(ccb);
4847
4848 return (error);
4849}
4850
4851static int
3334sardpos(struct cam_periph *periph, int hard, u_int32_t *blkptr)
3335{
3336 struct scsi_tape_position_data loc;
3337 union ccb *ccb;
3338 struct sa_softc *softc = (struct sa_softc *)periph->softc;
3339 int error;
3340
3341 /*
3342 * We try and flush any buffered writes here if we were writing
3343 * and we're trying to get hardware block position. It eats
3344 * up performance substantially, but I'm wary of drive firmware.
3345 *
3346 * I think that *logical* block position is probably okay-
3347 * but hardware block position might have to wait for data
3348 * to hit media to be valid. Caveat Emptor.
3349 */
3350
3351 if (hard && (softc->flags & SA_FLAG_TAPE_WRITTEN)) {
4852sardpos(struct cam_periph *periph, int hard, u_int32_t *blkptr)
4853{
4854 struct scsi_tape_position_data loc;
4855 union ccb *ccb;
4856 struct sa_softc *softc = (struct sa_softc *)periph->softc;
4857 int error;
4858
4859 /*
4860 * We try and flush any buffered writes here if we were writing
4861 * and we're trying to get hardware block position. It eats
4862 * up performance substantially, but I'm wary of drive firmware.
4863 *
4864 * I think that *logical* block position is probably okay-
4865 * but hardware block position might have to wait for data
4866 * to hit media to be valid. Caveat Emptor.
4867 */
4868
4869 if (hard && (softc->flags & SA_FLAG_TAPE_WRITTEN)) {
3352 error = sawritefilemarks(periph, 0, 0);
4870 error = sawritefilemarks(periph, 0, 0, 0);
3353 if (error && error != EACCES)
3354 return (error);
3355 }
3356
3357 ccb = cam_periph_getccb(periph, 1);
3358 scsi_read_position(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG,
3359 hard, &loc, SSD_FULL_SIZE, SCSIOP_TIMEOUT);
3360 softc->dsreg = MTIO_DSREG_RBSY;

--- 8 unchanged lines hidden (view full) ---

3369 }
3370 }
3371
3372 xpt_release_ccb(ccb);
3373 return (error);
3374}
3375
3376static int
4871 if (error && error != EACCES)
4872 return (error);
4873 }
4874
4875 ccb = cam_periph_getccb(periph, 1);
4876 scsi_read_position(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG,
4877 hard, &loc, SSD_FULL_SIZE, SCSIOP_TIMEOUT);
4878 softc->dsreg = MTIO_DSREG_RBSY;

--- 8 unchanged lines hidden (view full) ---

4887 }
4888 }
4889
4890 xpt_release_ccb(ccb);
4891 return (error);
4892}
4893
4894static int
3377sasetpos(struct cam_periph *periph, int hard, u_int32_t *blkptr)
4895sasetpos(struct cam_periph *periph, int hard, struct mtlocate *locate_info)
3378{
3379 union ccb *ccb;
3380 struct sa_softc *softc;
4896{
4897 union ccb *ccb;
4898 struct sa_softc *softc;
4899 int locate16;
4900 int immed, cp;
3381 int error;
3382
3383 /*
3384 * We used to try and flush any buffered writes here.
3385 * Now we push this onto user applications to either
3386 * flush the pending writes themselves (via a zero count
3387 * WRITE FILEMARKS command) or they can trust their tape
3388 * drive to do this correctly for them.
3389 */
3390
3391 softc = (struct sa_softc *)periph->softc;
3392 ccb = cam_periph_getccb(periph, 1);
3393
4901 int error;
4902
4903 /*
4904 * We used to try and flush any buffered writes here.
4905 * Now we push this onto user applications to either
4906 * flush the pending writes themselves (via a zero count
4907 * WRITE FILEMARKS command) or they can trust their tape
4908 * drive to do this correctly for them.
4909 */
4910
4911 softc = (struct sa_softc *)periph->softc;
4912 ccb = cam_periph_getccb(periph, 1);
4913
3394
3395 scsi_set_position(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG,
3396 hard, *blkptr, SSD_FULL_SIZE, SPACE_TIMEOUT);
4914 cp = locate_info->flags & MT_LOCATE_FLAG_CHANGE_PART ? 1 : 0;
4915 immed = locate_info->flags & MT_LOCATE_FLAG_IMMED ? 1 : 0;
3397
4916
4917 /*
4918 * Determine whether we have to use LOCATE or LOCATE16. The hard
4919 * bit is only possible with LOCATE, but the new ioctls do not
4920 * allow setting that bit. So we can't get into the situation of
4921 * having the hard bit set with a block address that is larger than
4922 * 32-bits.
4923 */
4924 if (hard != 0)
4925 locate16 = 0;
4926 else if ((locate_info->dest_type != MT_LOCATE_DEST_OBJECT)
4927 || (locate_info->block_address_mode != MT_LOCATE_BAM_IMPLICIT)
4928 || (locate_info->logical_id > SA_SPOS_MAX_BLK))
4929 locate16 = 1;
4930 else
4931 locate16 = 0;
3398
4932
4933 if (locate16 != 0) {
4934 scsi_locate_16(&ccb->csio,
4935 /*retries*/ 1,
4936 /*cbfcnp*/ sadone,
4937 /*tag_action*/ MSG_SIMPLE_Q_TAG,
4938 /*immed*/ immed,
4939 /*cp*/ cp,
4940 /*dest_type*/ locate_info->dest_type,
4941 /*bam*/ locate_info->block_address_mode,
4942 /*partition*/ locate_info->partition,
4943 /*logical_id*/ locate_info->logical_id,
4944 /*sense_len*/ SSD_FULL_SIZE,
4945 /*timeout*/ SPACE_TIMEOUT);
4946 } else {
4947 uint32_t blk_pointer;
4948
4949 blk_pointer = locate_info->logical_id;
4950
4951 scsi_locate_10(&ccb->csio,
4952 /*retries*/ 1,
4953 /*cbfcnp*/ sadone,
4954 /*tag_action*/ MSG_SIMPLE_Q_TAG,
4955 /*immed*/ immed,
4956 /*cp*/ cp,
4957 /*hard*/ hard,
4958 /*partition*/ locate_info->partition,
4959 /*block_address*/ locate_info->logical_id,
4960 /*sense_len*/ SSD_FULL_SIZE,
4961 /*timeout*/ SPACE_TIMEOUT);
4962 }
4963
3399 softc->dsreg = MTIO_DSREG_POS;
3400 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
3401 softc->dsreg = MTIO_DSREG_REST;
3402 xpt_release_ccb(ccb);
4964 softc->dsreg = MTIO_DSREG_POS;
4965 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
4966 softc->dsreg = MTIO_DSREG_REST;
4967 xpt_release_ccb(ccb);
4968
3403 /*
4969 /*
3404 * Note relative file && block number position as now unknown.
4970 * We assume the calculated file and block numbers are unknown
4971 * unless we have enough information to populate them.
3405 */
3406 softc->fileno = softc->blkno = (daddr_t) -1;
4972 */
4973 softc->fileno = softc->blkno = (daddr_t) -1;
4974
4975 /*
4976 * If the user requested changing the partition and the request
4977 * succeeded, note the partition.
4978 */
4979 if ((error == 0)
4980 && (cp != 0))
4981 softc->partition = locate_info->partition;
4982 else
4983 softc->partition = (daddr_t) -1;
4984
4985 if (error == 0) {
4986 switch (locate_info->dest_type) {
4987 case MT_LOCATE_DEST_FILE:
4988 /*
4989 * This is the only case where we can reliably
4990 * calculate the file and block numbers.
4991 */
4992 softc->fileno = locate_info->logical_id;
4993 softc->blkno = 0;
4994 break;
4995 case MT_LOCATE_DEST_OBJECT:
4996 case MT_LOCATE_DEST_SET:
4997 case MT_LOCATE_DEST_EOD:
4998 default:
4999 break;
5000 }
5001 }
5002
5003 /*
5004 * Ask the drive for current position information.
5005 */
5006 sagetpos(periph);
5007
3407 return (error);
3408}
3409
3410static int
3411saretension(struct cam_periph *periph)
3412{
3413 union ccb *ccb;
3414 struct sa_softc *softc;

--- 7 unchanged lines hidden (view full) ---

3422 scsi_load_unload(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE,
3423 FALSE, TRUE, TRUE, SSD_FULL_SIZE, ERASE_TIMEOUT);
3424
3425 softc->dsreg = MTIO_DSREG_TEN;
3426 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
3427 softc->dsreg = MTIO_DSREG_REST;
3428
3429 xpt_release_ccb(ccb);
5008 return (error);
5009}
5010
5011static int
5012saretension(struct cam_periph *periph)
5013{
5014 union ccb *ccb;
5015 struct sa_softc *softc;

--- 7 unchanged lines hidden (view full) ---

5023 scsi_load_unload(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE,
5024 FALSE, TRUE, TRUE, SSD_FULL_SIZE, ERASE_TIMEOUT);
5025
5026 softc->dsreg = MTIO_DSREG_TEN;
5027 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
5028 softc->dsreg = MTIO_DSREG_REST;
5029
5030 xpt_release_ccb(ccb);
3430 if (error == 0)
3431 softc->fileno = softc->blkno = (daddr_t) 0;
3432 else
3433 softc->fileno = softc->blkno = (daddr_t) -1;
5031 if (error == 0) {
5032 softc->partition = softc->fileno = softc->blkno = (daddr_t) 0;
5033 sagetpos(periph);
5034 } else
5035 softc->partition = softc->fileno = softc->blkno = (daddr_t) -1;
3434 return (error);
3435}
3436
3437static int
3438sareservereleaseunit(struct cam_periph *periph, int reserve)
3439{
3440 union ccb *ccb;
3441 struct sa_softc *softc;

--- 37 unchanged lines hidden (view full) ---

3479 scsi_load_unload(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE,
3480 FALSE, FALSE, load, SSD_FULL_SIZE, REWIND_TIMEOUT);
3481
3482 softc->dsreg = (load)? MTIO_DSREG_LD : MTIO_DSREG_UNL;
3483 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
3484 softc->dsreg = MTIO_DSREG_REST;
3485 xpt_release_ccb(ccb);
3486
5036 return (error);
5037}
5038
5039static int
5040sareservereleaseunit(struct cam_periph *periph, int reserve)
5041{
5042 union ccb *ccb;
5043 struct sa_softc *softc;

--- 37 unchanged lines hidden (view full) ---

5081 scsi_load_unload(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE,
5082 FALSE, FALSE, load, SSD_FULL_SIZE, REWIND_TIMEOUT);
5083
5084 softc->dsreg = (load)? MTIO_DSREG_LD : MTIO_DSREG_UNL;
5085 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
5086 softc->dsreg = MTIO_DSREG_REST;
5087 xpt_release_ccb(ccb);
5088
3487 if (error || load == 0)
3488 softc->fileno = softc->blkno = (daddr_t) -1;
3489 else if (error == 0)
3490 softc->fileno = softc->blkno = (daddr_t) 0;
5089 if (error || load == 0) {
5090 softc->partition = softc->fileno = softc->blkno = (daddr_t) -1;
5091 softc->rep_fileno = softc->rep_blkno = (daddr_t) -1;
5092 } else if (error == 0) {
5093 softc->partition = softc->fileno = softc->blkno = (daddr_t) 0;
5094 sagetpos(periph);
5095 }
3491 return (error);
3492}
3493
3494static int
3495saerase(struct cam_periph *periph, int longerase)
3496{
3497
3498 union ccb *ccb;

--- 12 unchanged lines hidden (view full) ---

3511 softc->dsreg = MTIO_DSREG_ZER;
3512 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
3513 softc->dsreg = MTIO_DSREG_REST;
3514
3515 xpt_release_ccb(ccb);
3516 return (error);
3517}
3518
5096 return (error);
5097}
5098
5099static int
5100saerase(struct cam_periph *periph, int longerase)
5101{
5102
5103 union ccb *ccb;

--- 12 unchanged lines hidden (view full) ---

5116 softc->dsreg = MTIO_DSREG_ZER;
5117 error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats);
5118 softc->dsreg = MTIO_DSREG_REST;
5119
5120 xpt_release_ccb(ccb);
5121 return (error);
5122}
5123
5124/*
5125 * Fill an sbuf with density data in XML format. This particular macro
5126 * works for multi-byte integer fields.
5127 *
5128 * Note that 1 byte fields aren't supported here. The reason is that the
5129 * compiler does not evaluate the sizeof(), and assumes that any of the
5130 * sizes are possible for a given field. So passing in a multi-byte
5131 * field will result in a warning that the assignment makes an integer
5132 * from a pointer without a cast, if there is an assignment in the 1 byte
5133 * case.
5134 */
5135#define SAFILLDENSSB(dens_data, sb, indent, field, desc_remain, \
5136 len_to_go, cur_offset, desc){ \
5137 size_t cur_field_len; \
5138 \
5139 cur_field_len = sizeof(dens_data->field); \
5140 if (desc_remain < cur_field_len) { \
5141 len_to_go -= desc_remain; \
5142 cur_offset += desc_remain; \
5143 continue; \
5144 } \
5145 len_to_go -= cur_field_len; \
5146 cur_offset += cur_field_len; \
5147 desc_remain -= cur_field_len; \
5148 \
5149 switch (sizeof(dens_data->field)) { \
5150 case 1: \
5151 KASSERT(1 == 0, ("Programmer error, invalid 1 byte " \
5152 "field width for SAFILLDENSFIELD")); \
5153 break; \
5154 case 2: \
5155 SASBADDUINTDESC(sb, indent, \
5156 scsi_2btoul(dens_data->field), %u, field, desc); \
5157 break; \
5158 case 3: \
5159 SASBADDUINTDESC(sb, indent, \
5160 scsi_3btoul(dens_data->field), %u, field, desc); \
5161 break; \
5162 case 4: \
5163 SASBADDUINTDESC(sb, indent, \
5164 scsi_4btoul(dens_data->field), %u, field, desc); \
5165 break; \
5166 case 8: \
5167 SASBADDUINTDESC(sb, indent, \
5168 (uintmax_t)scsi_8btou64(dens_data->field), %ju, \
5169 field, desc); \
5170 break; \
5171 default: \
5172 break; \
5173 } \
5174};
5175/*
5176 * Fill an sbuf with density data in XML format. This particular macro
5177 * works for strings.
5178 */
5179#define SAFILLDENSSBSTR(dens_data, sb, indent, field, desc_remain, \
5180 len_to_go, cur_offset, desc){ \
5181 size_t cur_field_len; \
5182 char tmpstr[32]; \
5183 \
5184 cur_field_len = sizeof(dens_data->field); \
5185 if (desc_remain < cur_field_len) { \
5186 len_to_go -= desc_remain; \
5187 cur_offset += desc_remain; \
5188 continue; \
5189 } \
5190 len_to_go -= cur_field_len; \
5191 cur_offset += cur_field_len; \
5192 desc_remain -= cur_field_len; \
5193 \
5194 cam_strvis(tmpstr, dens_data->field, \
5195 sizeof(dens_data->field), sizeof(tmpstr)); \
5196 SASBADDVARSTRDESC(sb, indent, tmpstr, %s, field, \
5197 strlen(tmpstr) + 1, desc); \
5198};
5199
5200/*
5201 * Fill an sbuf with density data descriptors.
5202 */
5203static void
5204safilldenstypesb(struct sbuf *sb, int *indent, uint8_t *buf, int buf_len,
5205 int is_density)
5206{
5207 struct scsi_density_hdr *hdr;
5208 uint32_t hdr_len;
5209 int len_to_go, cur_offset;
5210 int length_offset;
5211 int num_reports, need_close;
5212
5213 /*
5214 * We need at least the header length. Note that this isn't an
5215 * error, not all tape drives will have every data type.
5216 */
5217 if (buf_len < sizeof(*hdr))
5218 goto bailout;
5219
5220
5221 hdr = (struct scsi_density_hdr *)buf;
5222 hdr_len = scsi_2btoul(hdr->length);
5223 len_to_go = min(buf_len - sizeof(*hdr), hdr_len);
5224 if (is_density) {
5225 length_offset = __offsetof(struct scsi_density_data,
5226 bits_per_mm);
5227 } else {
5228 length_offset = __offsetof(struct scsi_medium_type_data,
5229 num_density_codes);
5230 }
5231 cur_offset = sizeof(*hdr);
5232
5233 num_reports = 0;
5234 need_close = 0;
5235
5236 while (len_to_go > length_offset) {
5237 struct scsi_density_data *dens_data;
5238 struct scsi_medium_type_data *type_data;
5239 int desc_remain;
5240 size_t cur_field_len;
5241
5242 dens_data = NULL;
5243 type_data = NULL;
5244
5245 if (is_density) {
5246 dens_data =(struct scsi_density_data *)&buf[cur_offset];
5247 if (dens_data->byte2 & SDD_DLV)
5248 desc_remain = scsi_2btoul(dens_data->length);
5249 else
5250 desc_remain = SDD_DEFAULT_LENGTH -
5251 length_offset;
5252 } else {
5253 type_data = (struct scsi_medium_type_data *)
5254 &buf[cur_offset];
5255 desc_remain = scsi_2btoul(type_data->length);
5256 }
5257
5258 len_to_go -= length_offset;
5259 desc_remain = min(desc_remain, len_to_go);
5260 cur_offset += length_offset;
5261
5262 if (need_close != 0) {
5263 SASBENDNODE(sb, *indent, density_entry);
5264 }
5265
5266 SASBADDNODENUM(sb, *indent, density_entry, num_reports);
5267 num_reports++;
5268 need_close = 1;
5269
5270 if (is_density) {
5271 SASBADDUINTDESC(sb, *indent,
5272 dens_data->primary_density_code, %u,
5273 primary_density_code, "Primary Density Code");
5274 SASBADDUINTDESC(sb, *indent,
5275 dens_data->secondary_density_code, %u,
5276 secondary_density_code, "Secondary Density Code");
5277 SASBADDUINTDESC(sb, *indent,
5278 dens_data->byte2 & ~SDD_DLV, %#x, density_flags,
5279 "Density Flags");
5280
5281 SAFILLDENSSB(dens_data, sb, *indent, bits_per_mm,
5282 desc_remain, len_to_go, cur_offset, "Bits per mm");
5283 SAFILLDENSSB(dens_data, sb, *indent, media_width,
5284 desc_remain, len_to_go, cur_offset, "Media width");
5285 SAFILLDENSSB(dens_data, sb, *indent, tracks,
5286 desc_remain, len_to_go, cur_offset,
5287 "Number of Tracks");
5288 SAFILLDENSSB(dens_data, sb, *indent, capacity,
5289 desc_remain, len_to_go, cur_offset, "Capacity");
5290
5291 SAFILLDENSSBSTR(dens_data, sb, *indent, assigning_org,
5292 desc_remain, len_to_go, cur_offset,
5293 "Assigning Organization");
5294
5295 SAFILLDENSSBSTR(dens_data, sb, *indent, density_name,
5296 desc_remain, len_to_go, cur_offset, "Density Name");
5297
5298 SAFILLDENSSBSTR(dens_data, sb, *indent, description,
5299 desc_remain, len_to_go, cur_offset, "Description");
5300 } else {
5301 int i;
5302
5303 SASBADDUINTDESC(sb, *indent, type_data->medium_type,
5304 %u, medium_type, "Medium Type");
5305
5306 cur_field_len =
5307 __offsetof(struct scsi_medium_type_data,
5308 media_width) -
5309 __offsetof(struct scsi_medium_type_data,
5310 num_density_codes);
5311
5312 if (desc_remain < cur_field_len) {
5313 len_to_go -= desc_remain;
5314 cur_offset += desc_remain;
5315 continue;
5316 }
5317 len_to_go -= cur_field_len;
5318 cur_offset += cur_field_len;
5319 desc_remain -= cur_field_len;
5320
5321 SASBADDINTDESC(sb, *indent,
5322 type_data->num_density_codes, %d,
5323 num_density_codes, "Number of Density Codes");
5324 SASBADDNODE(sb, *indent, density_code_list);
5325 for (i = 0; i < type_data->num_density_codes;
5326 i++) {
5327 SASBADDUINTDESC(sb, *indent,
5328 type_data->primary_density_codes[i], %u,
5329 density_code, "Density Code");
5330 }
5331 SASBENDNODE(sb, *indent, density_code_list);
5332
5333 SAFILLDENSSB(type_data, sb, *indent, media_width,
5334 desc_remain, len_to_go, cur_offset,
5335 "Media width");
5336 SAFILLDENSSB(type_data, sb, *indent, medium_length,
5337 desc_remain, len_to_go, cur_offset,
5338 "Medium length");
5339
5340 /*
5341 * Account for the two reserved bytes.
5342 */
5343 cur_field_len = sizeof(type_data->reserved2);
5344 if (desc_remain < cur_field_len) {
5345 len_to_go -= desc_remain;
5346 cur_offset += desc_remain;
5347 continue;
5348 }
5349 len_to_go -= cur_field_len;
5350 cur_offset += cur_field_len;
5351 desc_remain -= cur_field_len;
5352
5353 SAFILLDENSSBSTR(type_data, sb, *indent, assigning_org,
5354 desc_remain, len_to_go, cur_offset,
5355 "Assigning Organization");
5356 SAFILLDENSSBSTR(type_data, sb, *indent,
5357 medium_type_name, desc_remain, len_to_go,
5358 cur_offset, "Medium type name");
5359 SAFILLDENSSBSTR(type_data, sb, *indent, description,
5360 desc_remain, len_to_go, cur_offset, "Description");
5361
5362 }
5363 }
5364 if (need_close != 0) {
5365 SASBENDNODE(sb, *indent, density_entry);
5366 }
5367
5368bailout:
5369 return;
5370}
5371
5372/*
5373 * Fill an sbuf with density data information
5374 */
5375static void
5376safilldensitysb(struct sa_softc *softc, int *indent, struct sbuf *sb)
5377{
5378 int i, is_density;
5379
5380 SASBADDNODE(sb, *indent, mtdensity);
5381 SASBADDUINTDESC(sb, *indent, softc->media_density, %u, media_density,
5382 "Current Medium Density");
5383 is_density = 0;
5384 for (i = 0; i < SA_DENSITY_TYPES; i++) {
5385 int tmpint;
5386
5387 if (softc->density_info_valid[i] == 0)
5388 continue;
5389
5390 SASBADDNODE(sb, *indent, density_report);
5391 if (softc->density_type_bits[i] & SRDS_MEDIUM_TYPE) {
5392 tmpint = 1;
5393 is_density = 0;
5394 } else {
5395 tmpint = 0;
5396 is_density = 1;
5397 }
5398 SASBADDINTDESC(sb, *indent, tmpint, %d, medium_type_report,
5399 "Medium type report");
5400
5401 if (softc->density_type_bits[i] & SRDS_MEDIA)
5402 tmpint = 1;
5403 else
5404 tmpint = 0;
5405 SASBADDINTDESC(sb, *indent, tmpint, %d, media_report,
5406 "Media report");
5407
5408 safilldenstypesb(sb, indent, softc->density_info[i],
5409 softc->density_info_valid[i], is_density);
5410 SASBENDNODE(sb, *indent, density_report);
5411 }
5412 SASBENDNODE(sb, *indent, mtdensity);
5413}
5414
3519#endif /* _KERNEL */
3520
3521/*
3522 * Read tape block limits command.
3523 */
3524void
3525scsi_read_block_limits(struct ccb_scsiio *csio, u_int32_t retries,
3526 void (*cbfcnp)(struct cam_periph *, union ccb *),

--- 193 unchanged lines hidden (view full) ---

3720 (u_int8_t *)sbp, sizeof (*sbp), sense_len, sizeof(*scmd), timeout);
3721 scmd = (struct scsi_tape_read_position *)&csio->cdb_io.cdb_bytes;
3722 bzero(scmd, sizeof(*scmd));
3723 scmd->opcode = READ_POSITION;
3724 scmd->byte1 = hardsoft;
3725}
3726
3727/*
5415#endif /* _KERNEL */
5416
5417/*
5418 * Read tape block limits command.
5419 */
5420void
5421scsi_read_block_limits(struct ccb_scsiio *csio, u_int32_t retries,
5422 void (*cbfcnp)(struct cam_periph *, union ccb *),

--- 193 unchanged lines hidden (view full) ---

5616 (u_int8_t *)sbp, sizeof (*sbp), sense_len, sizeof(*scmd), timeout);
5617 scmd = (struct scsi_tape_read_position *)&csio->cdb_io.cdb_bytes;
5618 bzero(scmd, sizeof(*scmd));
5619 scmd->opcode = READ_POSITION;
5620 scmd->byte1 = hardsoft;
5621}
5622
5623/*
5624 * Read Tape Position command.
5625 */
5626void
5627scsi_read_position_10(struct ccb_scsiio *csio, u_int32_t retries,
5628 void (*cbfcnp)(struct cam_periph *, union ccb *),
5629 u_int8_t tag_action, int service_action,
5630 u_int8_t *data_ptr, u_int32_t length,
5631 u_int32_t sense_len, u_int32_t timeout)
5632{
5633 struct scsi_tape_read_position *scmd;
5634
5635 cam_fill_csio(csio,
5636 retries,
5637 cbfcnp,
5638 /*flags*/CAM_DIR_IN,
5639 tag_action,
5640 /*data_ptr*/data_ptr,
5641 /*dxfer_len*/length,
5642 sense_len,
5643 sizeof(*scmd),
5644 timeout);
5645
5646
5647 scmd = (struct scsi_tape_read_position *)&csio->cdb_io.cdb_bytes;
5648 bzero(scmd, sizeof(*scmd));
5649 scmd->opcode = READ_POSITION;
5650 scmd->byte1 = service_action;
5651 /*
5652 * The length is only currently set (as of SSC4r03) if the extended
5653 * form is specified. The other forms have fixed lengths.
5654 */
5655 if (service_action == SA_RPOS_EXTENDED_FORM)
5656 scsi_ulto2b(length, scmd->length);
5657}
5658
5659/*
3728 * Set Tape Position command.
3729 */
3730void
3731scsi_set_position(struct ccb_scsiio *csio, u_int32_t retries,
3732 void (*cbfcnp)(struct cam_periph *, union ccb *),
3733 u_int8_t tag_action, int hardsoft, u_int32_t blkno,
3734 u_int8_t sense_len, u_int32_t timeout)
3735{
3736 struct scsi_tape_locate *scmd;
3737
3738 cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action,
3739 (u_int8_t *)NULL, 0, sense_len, sizeof(*scmd), timeout);
3740 scmd = (struct scsi_tape_locate *)&csio->cdb_io.cdb_bytes;
3741 bzero(scmd, sizeof(*scmd));
3742 scmd->opcode = LOCATE;
3743 if (hardsoft)
3744 scmd->byte1 |= SA_SPOS_BT;
3745 scsi_ulto4b(blkno, scmd->blkaddr);
3746}
5660 * Set Tape Position command.
5661 */
5662void
5663scsi_set_position(struct ccb_scsiio *csio, u_int32_t retries,
5664 void (*cbfcnp)(struct cam_periph *, union ccb *),
5665 u_int8_t tag_action, int hardsoft, u_int32_t blkno,
5666 u_int8_t sense_len, u_int32_t timeout)
5667{
5668 struct scsi_tape_locate *scmd;
5669
5670 cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action,
5671 (u_int8_t *)NULL, 0, sense_len, sizeof(*scmd), timeout);
5672 scmd = (struct scsi_tape_locate *)&csio->cdb_io.cdb_bytes;
5673 bzero(scmd, sizeof(*scmd));
5674 scmd->opcode = LOCATE;
5675 if (hardsoft)
5676 scmd->byte1 |= SA_SPOS_BT;
5677 scsi_ulto4b(blkno, scmd->blkaddr);
5678}
5679
5680/*
5681 * XXX KDM figure out how to make a compatibility function.
5682 */
5683void
5684scsi_locate_10(struct ccb_scsiio *csio, u_int32_t retries,
5685 void (*cbfcnp)(struct cam_periph *, union ccb *),
5686 u_int8_t tag_action, int immed, int cp, int hard,
5687 int64_t partition, u_int32_t block_address,
5688 int sense_len, u_int32_t timeout)
5689{
5690 struct scsi_tape_locate *scmd;
5691
5692 cam_fill_csio(csio,
5693 retries,
5694 cbfcnp,
5695 CAM_DIR_NONE,
5696 tag_action,
5697 /*data_ptr*/ NULL,
5698 /*dxfer_len*/ 0,
5699 sense_len,
5700 sizeof(*scmd),
5701 timeout);
5702 scmd = (struct scsi_tape_locate *)&csio->cdb_io.cdb_bytes;
5703 bzero(scmd, sizeof(*scmd));
5704 scmd->opcode = LOCATE;
5705 if (immed)
5706 scmd->byte1 |= SA_SPOS_IMMED;
5707 if (cp)
5708 scmd->byte1 |= SA_SPOS_CP;
5709 if (hard)
5710 scmd->byte1 |= SA_SPOS_BT;
5711 scsi_ulto4b(block_address, scmd->blkaddr);
5712 scmd->partition = partition;
5713}
5714
5715void
5716scsi_locate_16(struct ccb_scsiio *csio, u_int32_t retries,
5717 void (*cbfcnp)(struct cam_periph *, union ccb *),
5718 u_int8_t tag_action, int immed, int cp, u_int8_t dest_type,
5719 int bam, int64_t partition, u_int64_t logical_id,
5720 int sense_len, u_int32_t timeout)
5721{
5722
5723 struct scsi_locate_16 *scsi_cmd;
5724
5725 cam_fill_csio(csio,
5726 retries,
5727 cbfcnp,
5728 /*flags*/CAM_DIR_NONE,
5729 tag_action,
5730 /*data_ptr*/NULL,
5731 /*dxfer_len*/0,
5732 sense_len,
5733 sizeof(*scsi_cmd),
5734 timeout);
5735
5736 scsi_cmd = (struct scsi_locate_16 *)&csio->cdb_io.cdb_bytes;
5737 bzero(scsi_cmd, sizeof(*scsi_cmd));
5738 scsi_cmd->opcode = LOCATE_16;
5739 if (immed)
5740 scsi_cmd->byte1 |= SA_LC_IMMEDIATE;
5741 if (cp)
5742 scsi_cmd->byte1 |= SA_LC_CP;
5743 scsi_cmd->byte1 |= (dest_type << SA_LC_DEST_TYPE_SHIFT);
5744
5745 scsi_cmd->byte2 |= bam;
5746 scsi_cmd->partition = partition;
5747 scsi_u64to8b(logical_id, scsi_cmd->logical_id);
5748}
5749
5750void
5751scsi_report_density_support(struct ccb_scsiio *csio, u_int32_t retries,
5752 void (*cbfcnp)(struct cam_periph *, union ccb *),
5753 u_int8_t tag_action, int media, int medium_type,
5754 u_int8_t *data_ptr, u_int32_t length,
5755 u_int32_t sense_len, u_int32_t timeout)
5756{
5757 struct scsi_report_density_support *scsi_cmd;
5758
5759 scsi_cmd =(struct scsi_report_density_support *)&csio->cdb_io.cdb_bytes;
5760 bzero(scsi_cmd, sizeof(*scsi_cmd));
5761
5762 scsi_cmd->opcode = REPORT_DENSITY_SUPPORT;
5763 if (media != 0)
5764 scsi_cmd->byte1 |= SRDS_MEDIA;
5765 if (medium_type != 0)
5766 scsi_cmd->byte1 |= SRDS_MEDIUM_TYPE;
5767
5768 scsi_ulto2b(length, scsi_cmd->length);
5769
5770 cam_fill_csio(csio,
5771 retries,
5772 cbfcnp,
5773 /*flags*/CAM_DIR_IN,
5774 tag_action,
5775 /*data_ptr*/data_ptr,
5776 /*dxfer_len*/length,
5777 sense_len,
5778 sizeof(*scsi_cmd),
5779 timeout);
5780}
5781
5782void
5783scsi_set_capacity(struct ccb_scsiio *csio, u_int32_t retries,
5784 void (*cbfcnp)(struct cam_periph *, union ccb *),
5785 u_int8_t tag_action, int byte1, u_int32_t proportion,
5786 u_int32_t sense_len, u_int32_t timeout)
5787{
5788 struct scsi_set_capacity *scsi_cmd;
5789
5790 scsi_cmd = (struct scsi_set_capacity *)&csio->cdb_io.cdb_bytes;
5791 bzero(scsi_cmd, sizeof(*scsi_cmd));
5792
5793 scsi_cmd->opcode = SET_CAPACITY;
5794
5795 scsi_cmd->byte1 = byte1;
5796 scsi_ulto2b(proportion, scsi_cmd->cap_proportion);
5797
5798 cam_fill_csio(csio,
5799 retries,
5800 cbfcnp,
5801 /*flags*/CAM_DIR_NONE,
5802 tag_action,
5803 /*data_ptr*/NULL,
5804 /*dxfer_len*/0,
5805 sense_len,
5806 sizeof(*scsi_cmd),
5807 timeout);
5808}
5809
5810void
5811scsi_format_medium(struct ccb_scsiio *csio, u_int32_t retries,
5812 void (*cbfcnp)(struct cam_periph *, union ccb *),
5813 u_int8_t tag_action, int byte1, int byte2,
5814 u_int8_t *data_ptr, u_int32_t dxfer_len,
5815 u_int32_t sense_len, u_int32_t timeout)
5816{
5817 struct scsi_format_medium *scsi_cmd;
5818
5819 scsi_cmd = (struct scsi_format_medium*)&csio->cdb_io.cdb_bytes;
5820 bzero(scsi_cmd, sizeof(*scsi_cmd));
5821
5822 scsi_cmd->opcode = FORMAT_MEDIUM;
5823
5824 scsi_cmd->byte1 = byte1;
5825 scsi_cmd->byte2 = byte2;
5826
5827 scsi_ulto2b(dxfer_len, scsi_cmd->length);
5828
5829 cam_fill_csio(csio,
5830 retries,
5831 cbfcnp,
5832 /*flags*/(dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5833 tag_action,
5834 /*data_ptr*/ data_ptr,
5835 /*dxfer_len*/ dxfer_len,
5836 sense_len,
5837 sizeof(*scsi_cmd),
5838 timeout);
5839}
5840
5841void
5842scsi_allow_overwrite(struct ccb_scsiio *csio, u_int32_t retries,
5843 void (*cbfcnp)(struct cam_periph *, union ccb *),
5844 u_int8_t tag_action, int allow_overwrite, int partition,
5845 u_int64_t logical_id, u_int32_t sense_len, u_int32_t timeout)
5846{
5847 struct scsi_allow_overwrite *scsi_cmd;
5848
5849 scsi_cmd = (struct scsi_allow_overwrite *)&csio->cdb_io.cdb_bytes;
5850 bzero(scsi_cmd, sizeof(*scsi_cmd));
5851
5852 scsi_cmd->opcode = ALLOW_OVERWRITE;
5853
5854 scsi_cmd->allow_overwrite = allow_overwrite;
5855 scsi_cmd->partition = partition;
5856 scsi_u64to8b(logical_id, scsi_cmd->logical_id);
5857
5858 cam_fill_csio(csio,
5859 retries,
5860 cbfcnp,
5861 CAM_DIR_NONE,
5862 tag_action,
5863 /*data_ptr*/ NULL,
5864 /*dxfer_len*/ 0,
5865 sense_len,
5866 sizeof(*scsi_cmd),
5867 timeout);
5868}