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1/*
2 * Copyright (c) 2000-2001 Adaptec Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
16 * 3. Neither the names of the above-listed copyright holders nor the names
17 * of any contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
23 *
24 * NO WARRANTY
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
33 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
34 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGES.
36 *
37 * String handling code courtesy of Gerard Roudier's <groudier@club-internet.fr>
38 * sym driver.
39 *
40 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_proc.c#19 $
41 */
42#include "aic79xx_osm.h"
43#include "aic79xx_inline.h"
44
45static void copy_mem_info(struct info_str *info, char *data, int len);
46static int copy_info(struct info_str *info, char *fmt, ...);
47static void ahd_dump_target_state(struct ahd_softc *ahd,
48 struct info_str *info,
49 u_int our_id, char channel,
50 u_int target_id);
51static void ahd_dump_device_state(struct info_str *info,
52 struct scsi_device *sdev);
53static int ahd_proc_write_seeprom(struct ahd_softc *ahd,
54 char *buffer, int length);
55
56/*
57 * Table of syncrates that don't follow the "divisible by 4"
58 * rule. This table will be expanded in future SCSI specs.
59 */
60static const struct {
61 u_int period_factor;
62 u_int period; /* in 100ths of ns */
63} scsi_syncrates[] = {
64 { 0x08, 625 }, /* FAST-160 */
65 { 0x09, 1250 }, /* FAST-80 */
66 { 0x0a, 2500 }, /* FAST-40 40MHz */
67 { 0x0b, 3030 }, /* FAST-40 33MHz */
68 { 0x0c, 5000 } /* FAST-20 */
69};
70
71/*
72 * Return the frequency in kHz corresponding to the given
73 * sync period factor.
74 */
75static u_int
76ahd_calc_syncsrate(u_int period_factor)
77{
78 int i;
79
80 /* See if the period is in the "exception" table */
81 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
82
83 if (period_factor == scsi_syncrates[i].period_factor) {
84 /* Period in kHz */
85 return (100000000 / scsi_syncrates[i].period);
86 }
87 }
88
89 /*
90 * Wasn't in the table, so use the standard
91 * 4 times conversion.
92 */
93 return (10000000 / (period_factor * 4 * 10));
94}
95
96
97static void
98copy_mem_info(struct info_str *info, char *data, int len)
99{
100 if (info->pos + len > info->offset + info->length)
101 len = info->offset + info->length - info->pos;
102
103 if (info->pos + len < info->offset) {
104 info->pos += len;
105 return;
106 }
107
108 if (info->pos < info->offset) {
109 off_t partial;
110
111 partial = info->offset - info->pos;
112 data += partial;
113 info->pos += partial;
114 len -= partial;
115 }
116
117 if (len > 0) {
118 memcpy(info->buffer, data, len);
119 info->pos += len;
120 info->buffer += len;
121 }
122}
123
124static int
125copy_info(struct info_str *info, char *fmt, ...)
126{
127 va_list args;
128 char buf[256];
129 int len;
130
131 va_start(args, fmt);
132 len = vsprintf(buf, fmt, args);
133 va_end(args);
134
135 copy_mem_info(info, buf, len);
136 return (len);
137}
138
139static void
140ahd_format_transinfo(struct info_str *info, struct ahd_transinfo *tinfo)
141{
142 u_int speed;
143 u_int freq;
144 u_int mb;
145
146 if (tinfo->period == AHD_PERIOD_UNKNOWN) {
147 copy_info(info, "Renegotiation Pending\n");
148 return;
149 }
150 speed = 3300;
151 freq = 0;
152 if (tinfo->offset != 0) {
153 freq = ahd_calc_syncsrate(tinfo->period);
154 speed = freq;
155 }
156 speed *= (0x01 << tinfo->width);
157 mb = speed / 1000;
158 if (mb > 0)
159 copy_info(info, "%d.%03dMB/s transfers", mb, speed % 1000);
160 else
161 copy_info(info, "%dKB/s transfers", speed);
162
163 if (freq != 0) {
164 int printed_options;
165
166 printed_options = 0;
167 copy_info(info, " (%d.%03dMHz", freq / 1000, freq % 1000);
168 if ((tinfo->ppr_options & MSG_EXT_PPR_RD_STRM) != 0) {
169 copy_info(info, " RDSTRM");
170 printed_options++;
171 }
172 if ((tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
173 copy_info(info, "%s", printed_options ? "|DT" : " DT");
174 printed_options++;
175 }
176 if ((tinfo->ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
177 copy_info(info, "%s", printed_options ? "|IU" : " IU");
178 printed_options++;
179 }
180 if ((tinfo->ppr_options & MSG_EXT_PPR_RTI) != 0) {
181 copy_info(info, "%s",
182 printed_options ? "|RTI" : " RTI");
183 printed_options++;
184 }
185 if ((tinfo->ppr_options & MSG_EXT_PPR_QAS_REQ) != 0) {
186 copy_info(info, "%s",
187 printed_options ? "|QAS" : " QAS");
188 printed_options++;
189 }
190 }
191
192 if (tinfo->width > 0) {
193 if (freq != 0) {
194 copy_info(info, ", ");
195 } else {
196 copy_info(info, " (");
197 }
198 copy_info(info, "%dbit)", 8 * (0x01 << tinfo->width));
199 } else if (freq != 0) {
200 copy_info(info, ")");
201 }
202 copy_info(info, "\n");
203}
204
205static void
206ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
207 u_int our_id, char channel, u_int target_id)
208{
209 struct scsi_target *starget;
210 struct ahd_initiator_tinfo *tinfo;
211 struct ahd_tmode_tstate *tstate;
212 int lun;
213
214 tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
215 target_id, &tstate);
216 copy_info(info, "Target %d Negotiation Settings\n", target_id);
217 copy_info(info, "\tUser: ");
218 ahd_format_transinfo(info, &tinfo->user);
219 starget = ahd->platform_data->starget[target_id];
220 if (starget == NULL)
221 return;
222
223 copy_info(info, "\tGoal: ");
224 ahd_format_transinfo(info, &tinfo->goal);
225 copy_info(info, "\tCurr: ");
226 ahd_format_transinfo(info, &tinfo->curr);
227
228 for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
229 struct scsi_device *dev;
230
231 dev = scsi_device_lookup_by_target(starget, lun);
232
233 if (dev == NULL)
234 continue;
235
236 ahd_dump_device_state(info, dev);
237 }
238}
239
240static void
241ahd_dump_device_state(struct info_str *info, struct scsi_device *sdev)
242{
243 struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
244
245 copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
246 sdev->sdev_target->channel + 'A',
247 sdev->sdev_target->id, sdev->lun);
248
249 copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
250 copy_info(info, "\t\tCommands Active %d\n", dev->active);
251 copy_info(info, "\t\tCommand Openings %d\n", dev->openings);
252 copy_info(info, "\t\tMax Tagged Openings %d\n", dev->maxtags);
253 copy_info(info, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
254}
255
256static int
257ahd_proc_write_seeprom(struct ahd_softc *ahd, char *buffer, int length)
258{
259 ahd_mode_state saved_modes;
260 int have_seeprom;
261 u_long s;
262 int paused;
263 int written;
264
265 /* Default to failure. */
266 written = -EINVAL;
267 ahd_lock(ahd, &s);
268 paused = ahd_is_paused(ahd);
269 if (!paused)
270 ahd_pause(ahd);
271
272 saved_modes = ahd_save_modes(ahd);
273 ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
274 if (length != sizeof(struct seeprom_config)) {
275 printk("ahd_proc_write_seeprom: incorrect buffer size\n");
276 goto done;
277 }
278
279 have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
280 if (have_seeprom == 0) {
281 printk("ahd_proc_write_seeprom: cksum verification failed\n");
282 goto done;
283 }
284
285 have_seeprom = ahd_acquire_seeprom(ahd);
286 if (!have_seeprom) {
287 printk("ahd_proc_write_seeprom: No Serial EEPROM\n");
288 goto done;
289 } else {
290 u_int start_addr;
291
292 if (ahd->seep_config == NULL) {
293 ahd->seep_config = kmalloc(sizeof(*ahd->seep_config), GFP_ATOMIC);
294 if (ahd->seep_config == NULL) {
295 printk("aic79xx: Unable to allocate serial "
296 "eeprom buffer. Write failing\n");
297 goto done;
298 }
299 }
300 printk("aic79xx: Writing Serial EEPROM\n");
301 start_addr = 32 * (ahd->channel - 'A');
302 ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
303 sizeof(struct seeprom_config)/2);
304 ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
305 start_addr, sizeof(struct seeprom_config)/2,
306 /*ByteStream*/FALSE);
307 ahd_release_seeprom(ahd);
308 written = length;
309 }
310
311done:
312 ahd_restore_modes(ahd, saved_modes);
313 if (!paused)
314 ahd_unpause(ahd);
315 ahd_unlock(ahd, &s);
316 return (written);
317}
318/*
319 * Return information to handle /proc support for the driver.
320 */
321int
322ahd_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
323 off_t offset, int length, int inout)
324{
325 struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
326 struct info_str info;
327 char ahd_info[256];
328 u_int max_targ;
329 u_int i;
330 int retval;
331
332 /* Has data been written to the file? */
333 if (inout == TRUE) {
334 retval = ahd_proc_write_seeprom(ahd, buffer, length);
335 goto done;
336 }
337
338 if (start)
339 *start = buffer;
340
341 info.buffer = buffer;
342 info.length = length;
343 info.offset = offset;
344 info.pos = 0;
345
346 copy_info(&info, "Adaptec AIC79xx driver version: %s\n",
347 AIC79XX_DRIVER_VERSION);
348 copy_info(&info, "%s\n", ahd->description);
349 ahd_controller_info(ahd, ahd_info);
350 copy_info(&info, "%s\n", ahd_info);
351 copy_info(&info, "Allocated SCBs: %d, SG List Length: %d\n\n",
352 ahd->scb_data.numscbs, AHD_NSEG);
353
354 max_targ = 16;
355
356 if (ahd->seep_config == NULL)
357 copy_info(&info, "No Serial EEPROM\n");
358 else {
359 copy_info(&info, "Serial EEPROM:\n");
360 for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
361 if (((i % 8) == 0) && (i != 0)) {
362 copy_info(&info, "\n");
363 }
364 copy_info(&info, "0x%.4x ",
365 ((uint16_t*)ahd->seep_config)[i]);
366 }
367 copy_info(&info, "\n");
368 }
369 copy_info(&info, "\n");
370
371 if ((ahd->features & AHD_WIDE) == 0)
372 max_targ = 8;
373
374 for (i = 0; i < max_targ; i++) {
375
376 ahd_dump_target_state(ahd, &info, ahd->our_id, 'A',
377 /*target_id*/i);
378 }
379 retval = info.pos > info.offset ? info.pos - info.offset : 0;
380done:
381 return (retval);
382}
1/*
2 * Copyright (c) 2000-2001 Adaptec Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
16 * 3. Neither the names of the above-listed copyright holders nor the names
17 * of any contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
23 *
24 * NO WARRANTY
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
33 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
34 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGES.
36 *
37 * String handling code courtesy of Gerard Roudier's <groudier@club-internet.fr>
38 * sym driver.
39 *
40 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_proc.c#19 $
41 */
42#include "aic79xx_osm.h"
43#include "aic79xx_inline.h"
44
45static void ahd_dump_target_state(struct ahd_softc *ahd,
46 struct seq_file *m,
47 u_int our_id, char channel,
48 u_int target_id);
49static void ahd_dump_device_state(struct seq_file *m,
50 struct scsi_device *sdev);
51
52/*
53 * Table of syncrates that don't follow the "divisible by 4"
54 * rule. This table will be expanded in future SCSI specs.
55 */
56static const struct {
57 u_int period_factor;
58 u_int period; /* in 100ths of ns */
59} scsi_syncrates[] = {
60 { 0x08, 625 }, /* FAST-160 */
61 { 0x09, 1250 }, /* FAST-80 */
62 { 0x0a, 2500 }, /* FAST-40 40MHz */
63 { 0x0b, 3030 }, /* FAST-40 33MHz */
64 { 0x0c, 5000 } /* FAST-20 */
65};
66
67/*
68 * Return the frequency in kHz corresponding to the given
69 * sync period factor.
70 */
71static u_int
72ahd_calc_syncsrate(u_int period_factor)
73{
74 int i;
75
76 /* See if the period is in the "exception" table */
77 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
78
79 if (period_factor == scsi_syncrates[i].period_factor) {
80 /* Period in kHz */
81 return (100000000 / scsi_syncrates[i].period);
82 }
83 }
84
85 /*
86 * Wasn't in the table, so use the standard
87 * 4 times conversion.
88 */
89 return (10000000 / (period_factor * 4 * 10));
90}
91
92static void
93ahd_format_transinfo(struct seq_file *m, struct ahd_transinfo *tinfo)
94{
95 u_int speed;
96 u_int freq;
97 u_int mb;
98
99 if (tinfo->period == AHD_PERIOD_UNKNOWN) {
100 seq_puts(m, "Renegotiation Pending\n");
101 return;
102 }
103 speed = 3300;
104 freq = 0;
105 if (tinfo->offset != 0) {
106 freq = ahd_calc_syncsrate(tinfo->period);
107 speed = freq;
108 }
109 speed *= (0x01 << tinfo->width);
110 mb = speed / 1000;
111 if (mb > 0)
112 seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
113 else
114 seq_printf(m, "%dKB/s transfers", speed);
115
116 if (freq != 0) {
117 int printed_options;
118
119 printed_options = 0;
120 seq_printf(m, " (%d.%03dMHz", freq / 1000, freq % 1000);
121 if ((tinfo->ppr_options & MSG_EXT_PPR_RD_STRM) != 0) {
122 seq_puts(m, " RDSTRM");
123 printed_options++;
124 }
125 if ((tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
126 seq_puts(m, printed_options ? "|DT" : " DT");
127 printed_options++;
128 }
129 if ((tinfo->ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
130 seq_puts(m, printed_options ? "|IU" : " IU");
131 printed_options++;
132 }
133 if ((tinfo->ppr_options & MSG_EXT_PPR_RTI) != 0) {
134 seq_puts(m, printed_options ? "|RTI" : " RTI");
135 printed_options++;
136 }
137 if ((tinfo->ppr_options & MSG_EXT_PPR_QAS_REQ) != 0) {
138 seq_puts(m, printed_options ? "|QAS" : " QAS");
139 printed_options++;
140 }
141 }
142
143 if (tinfo->width > 0) {
144 if (freq != 0) {
145 seq_puts(m, ", ");
146 } else {
147 seq_puts(m, " (");
148 }
149 seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
150 } else if (freq != 0) {
151 seq_putc(m, ')');
152 }
153 seq_putc(m, '\n');
154}
155
156static void
157ahd_dump_target_state(struct ahd_softc *ahd, struct seq_file *m,
158 u_int our_id, char channel, u_int target_id)
159{
160 struct scsi_target *starget;
161 struct ahd_initiator_tinfo *tinfo;
162 struct ahd_tmode_tstate *tstate;
163 int lun;
164
165 tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
166 target_id, &tstate);
167 seq_printf(m, "Target %d Negotiation Settings\n", target_id);
168 seq_puts(m, "\tUser: ");
169 ahd_format_transinfo(m, &tinfo->user);
170 starget = ahd->platform_data->starget[target_id];
171 if (starget == NULL)
172 return;
173
174 seq_puts(m, "\tGoal: ");
175 ahd_format_transinfo(m, &tinfo->goal);
176 seq_puts(m, "\tCurr: ");
177 ahd_format_transinfo(m, &tinfo->curr);
178
179 for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
180 struct scsi_device *dev;
181
182 dev = scsi_device_lookup_by_target(starget, lun);
183
184 if (dev == NULL)
185 continue;
186
187 ahd_dump_device_state(m, dev);
188 }
189}
190
191static void
192ahd_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
193{
194 struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
195
196 seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
197 sdev->sdev_target->channel + 'A',
198 sdev->sdev_target->id, (u8)sdev->lun);
199
200 seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
201 seq_printf(m, "\t\tCommands Active %d\n", dev->active);
202 seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
203 seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
204 seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
205}
206
207int
208ahd_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
209{
210 struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
211 ahd_mode_state saved_modes;
212 int have_seeprom;
213 u_long s;
214 int paused;
215 int written;
216
217 /* Default to failure. */
218 written = -EINVAL;
219 ahd_lock(ahd, &s);
220 paused = ahd_is_paused(ahd);
221 if (!paused)
222 ahd_pause(ahd);
223
224 saved_modes = ahd_save_modes(ahd);
225 ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
226 if (length != sizeof(struct seeprom_config)) {
227 printk("ahd_proc_write_seeprom: incorrect buffer size\n");
228 goto done;
229 }
230
231 have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
232 if (have_seeprom == 0) {
233 printk("ahd_proc_write_seeprom: cksum verification failed\n");
234 goto done;
235 }
236
237 have_seeprom = ahd_acquire_seeprom(ahd);
238 if (!have_seeprom) {
239 printk("ahd_proc_write_seeprom: No Serial EEPROM\n");
240 goto done;
241 } else {
242 u_int start_addr;
243
244 if (ahd->seep_config == NULL) {
245 ahd->seep_config = kmalloc(sizeof(*ahd->seep_config),
246 GFP_ATOMIC);
247 if (ahd->seep_config == NULL) {
248 printk("aic79xx: Unable to allocate serial "
249 "eeprom buffer. Write failing\n");
250 goto done;
251 }
252 }
253 printk("aic79xx: Writing Serial EEPROM\n");
254 start_addr = 32 * (ahd->channel - 'A');
255 ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
256 sizeof(struct seeprom_config)/2);
257 ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
258 start_addr, sizeof(struct seeprom_config)/2,
259 /*ByteStream*/FALSE);
260 ahd_release_seeprom(ahd);
261 written = length;
262 }
263
264done:
265 ahd_restore_modes(ahd, saved_modes);
266 if (!paused)
267 ahd_unpause(ahd);
268 ahd_unlock(ahd, &s);
269 return (written);
270}
271/*
272 * Return information to handle /proc support for the driver.
273 */
274int
275ahd_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
276{
277 struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
278 char ahd_info[256];
279 u_int max_targ;
280 u_int i;
281
282 seq_printf(m, "Adaptec AIC79xx driver version: %s\n",
283 AIC79XX_DRIVER_VERSION);
284 seq_printf(m, "%s\n", ahd->description);
285 ahd_controller_info(ahd, ahd_info);
286 seq_printf(m, "%s\n", ahd_info);
287 seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
288 ahd->scb_data.numscbs, AHD_NSEG);
289
290 max_targ = 16;
291
292 if (ahd->seep_config == NULL)
293 seq_puts(m, "No Serial EEPROM\n");
294 else {
295 seq_puts(m, "Serial EEPROM:\n");
296 for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
297 if (((i % 8) == 0) && (i != 0)) {
298 seq_putc(m, '\n');
299 }
300 seq_printf(m, "0x%.4x ",
301 ((uint16_t*)ahd->seep_config)[i]);
302 }
303 seq_putc(m, '\n');
304 }
305 seq_putc(m, '\n');
306
307 if ((ahd->features & AHD_WIDE) == 0)
308 max_targ = 8;
309
310 for (i = 0; i < max_targ; i++) {
311
312 ahd_dump_target_state(ahd, m, ahd->our_id, 'A',
313 /*target_id*/i);
314 }
315 return 0;
316}