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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/aic7xxx_proc.c#29 $
41 */
42#include "aic7xxx_osm.h"
43#include "aic7xxx_inline.h"
44#include "aic7xxx_93cx6.h"
45
46static void copy_mem_info(struct info_str *info, char *data, int len);
47static int copy_info(struct info_str *info, char *fmt, ...);
48static void ahc_dump_target_state(struct ahc_softc *ahc,
49 struct info_str *info,
50 u_int our_id, char channel,
51 u_int target_id, u_int target_offset);
52static void ahc_dump_device_state(struct info_str *info,
53 struct scsi_device *dev);
54static int ahc_proc_write_seeprom(struct ahc_softc *ahc,
55 char *buffer, int length);
56
57/*
58 * Table of syncrates that don't follow the "divisible by 4"
59 * rule. This table will be expanded in future SCSI specs.
60 */
61static const struct {
62 u_int period_factor;
63 u_int period; /* in 100ths of ns */
64} scsi_syncrates[] = {
65 { 0x08, 625 }, /* FAST-160 */
66 { 0x09, 1250 }, /* FAST-80 */
67 { 0x0a, 2500 }, /* FAST-40 40MHz */
68 { 0x0b, 3030 }, /* FAST-40 33MHz */
69 { 0x0c, 5000 } /* FAST-20 */
70};
71
72/*
73 * Return the frequency in kHz corresponding to the given
74 * sync period factor.
75 */
76static u_int
77ahc_calc_syncsrate(u_int period_factor)
78{
79 int i;
80
81 /* See if the period is in the "exception" table */
82 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
83
84 if (period_factor == scsi_syncrates[i].period_factor) {
85 /* Period in kHz */
86 return (100000000 / scsi_syncrates[i].period);
87 }
88 }
89
90 /*
91 * Wasn't in the table, so use the standard
92 * 4 times conversion.
93 */
94 return (10000000 / (period_factor * 4 * 10));
95}
96
97
98static void
99copy_mem_info(struct info_str *info, char *data, int len)
100{
101 if (info->pos + len > info->offset + info->length)
102 len = info->offset + info->length - info->pos;
103
104 if (info->pos + len < info->offset) {
105 info->pos += len;
106 return;
107 }
108
109 if (info->pos < info->offset) {
110 off_t partial;
111
112 partial = info->offset - info->pos;
113 data += partial;
114 info->pos += partial;
115 len -= partial;
116 }
117
118 if (len > 0) {
119 memcpy(info->buffer, data, len);
120 info->pos += len;
121 info->buffer += len;
122 }
123}
124
125static int
126copy_info(struct info_str *info, char *fmt, ...)
127{
128 va_list args;
129 char buf[256];
130 int len;
131
132 va_start(args, fmt);
133 len = vsprintf(buf, fmt, args);
134 va_end(args);
135
136 copy_mem_info(info, buf, len);
137 return (len);
138}
139
140static void
141ahc_format_transinfo(struct info_str *info, struct ahc_transinfo *tinfo)
142{
143 u_int speed;
144 u_int freq;
145 u_int mb;
146
147 speed = 3300;
148 freq = 0;
149 if (tinfo->offset != 0) {
150 freq = ahc_calc_syncsrate(tinfo->period);
151 speed = freq;
152 }
153 speed *= (0x01 << tinfo->width);
154 mb = speed / 1000;
155 if (mb > 0)
156 copy_info(info, "%d.%03dMB/s transfers", mb, speed % 1000);
157 else
158 copy_info(info, "%dKB/s transfers", speed);
159
160 if (freq != 0) {
161 copy_info(info, " (%d.%03dMHz%s, offset %d",
162 freq / 1000, freq % 1000,
163 (tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
164 ? " DT" : "", tinfo->offset);
165 }
166
167 if (tinfo->width > 0) {
168 if (freq != 0) {
169 copy_info(info, ", ");
170 } else {
171 copy_info(info, " (");
172 }
173 copy_info(info, "%dbit)", 8 * (0x01 << tinfo->width));
174 } else if (freq != 0) {
175 copy_info(info, ")");
176 }
177 copy_info(info, "\n");
178}
179
180static void
181ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
182 u_int our_id, char channel, u_int target_id,
183 u_int target_offset)
184{
185 struct scsi_target *starget;
186 struct ahc_initiator_tinfo *tinfo;
187 struct ahc_tmode_tstate *tstate;
188 int lun;
189
190 tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
191 target_id, &tstate);
192 if ((ahc->features & AHC_TWIN) != 0)
193 copy_info(info, "Channel %c ", channel);
194 copy_info(info, "Target %d Negotiation Settings\n", target_id);
195 copy_info(info, "\tUser: ");
196 ahc_format_transinfo(info, &tinfo->user);
197 starget = ahc->platform_data->starget[target_offset];
198 if (!starget)
199 return;
200
201 copy_info(info, "\tGoal: ");
202 ahc_format_transinfo(info, &tinfo->goal);
203 copy_info(info, "\tCurr: ");
204 ahc_format_transinfo(info, &tinfo->curr);
205
206 for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
207 struct scsi_device *sdev;
208
209 sdev = scsi_device_lookup_by_target(starget, lun);
210
211 if (sdev == NULL)
212 continue;
213
214 ahc_dump_device_state(info, sdev);
215 }
216}
217
218static void
219ahc_dump_device_state(struct info_str *info, struct scsi_device *sdev)
220{
221 struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
222
223 copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
224 sdev->sdev_target->channel + 'A',
225 sdev->sdev_target->id, sdev->lun);
226
227 copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
228 copy_info(info, "\t\tCommands Active %d\n", dev->active);
229 copy_info(info, "\t\tCommand Openings %d\n", dev->openings);
230 copy_info(info, "\t\tMax Tagged Openings %d\n", dev->maxtags);
231 copy_info(info, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
232}
233
234static int
235ahc_proc_write_seeprom(struct ahc_softc *ahc, char *buffer, int length)
236{
237 struct seeprom_descriptor sd;
238 int have_seeprom;
239 u_long s;
240 int paused;
241 int written;
242
243 /* Default to failure. */
244 written = -EINVAL;
245 ahc_lock(ahc, &s);
246 paused = ahc_is_paused(ahc);
247 if (!paused)
248 ahc_pause(ahc);
249
250 if (length != sizeof(struct seeprom_config)) {
251 printk("ahc_proc_write_seeprom: incorrect buffer size\n");
252 goto done;
253 }
254
255 have_seeprom = ahc_verify_cksum((struct seeprom_config*)buffer);
256 if (have_seeprom == 0) {
257 printk("ahc_proc_write_seeprom: cksum verification failed\n");
258 goto done;
259 }
260
261 sd.sd_ahc = ahc;
262#if AHC_PCI_CONFIG > 0
263 if ((ahc->chip & AHC_PCI) != 0) {
264 sd.sd_control_offset = SEECTL;
265 sd.sd_status_offset = SEECTL;
266 sd.sd_dataout_offset = SEECTL;
267 if (ahc->flags & AHC_LARGE_SEEPROM)
268 sd.sd_chip = C56_66;
269 else
270 sd.sd_chip = C46;
271 sd.sd_MS = SEEMS;
272 sd.sd_RDY = SEERDY;
273 sd.sd_CS = SEECS;
274 sd.sd_CK = SEECK;
275 sd.sd_DO = SEEDO;
276 sd.sd_DI = SEEDI;
277 have_seeprom = ahc_acquire_seeprom(ahc, &sd);
278 } else
279#endif
280 if ((ahc->chip & AHC_VL) != 0) {
281 sd.sd_control_offset = SEECTL_2840;
282 sd.sd_status_offset = STATUS_2840;
283 sd.sd_dataout_offset = STATUS_2840;
284 sd.sd_chip = C46;
285 sd.sd_MS = 0;
286 sd.sd_RDY = EEPROM_TF;
287 sd.sd_CS = CS_2840;
288 sd.sd_CK = CK_2840;
289 sd.sd_DO = DO_2840;
290 sd.sd_DI = DI_2840;
291 have_seeprom = TRUE;
292 } else {
293 printk("ahc_proc_write_seeprom: unsupported adapter type\n");
294 goto done;
295 }
296
297 if (!have_seeprom) {
298 printk("ahc_proc_write_seeprom: No Serial EEPROM\n");
299 goto done;
300 } else {
301 u_int start_addr;
302
303 if (ahc->seep_config == NULL) {
304 ahc->seep_config = kmalloc(sizeof(*ahc->seep_config), GFP_ATOMIC);
305 if (ahc->seep_config == NULL) {
306 printk("aic7xxx: Unable to allocate serial "
307 "eeprom buffer. Write failing\n");
308 goto done;
309 }
310 }
311 printk("aic7xxx: Writing Serial EEPROM\n");
312 start_addr = 32 * (ahc->channel - 'A');
313 ahc_write_seeprom(&sd, (u_int16_t *)buffer, start_addr,
314 sizeof(struct seeprom_config)/2);
315 ahc_read_seeprom(&sd, (uint16_t *)ahc->seep_config,
316 start_addr, sizeof(struct seeprom_config)/2);
317#if AHC_PCI_CONFIG > 0
318 if ((ahc->chip & AHC_VL) == 0)
319 ahc_release_seeprom(&sd);
320#endif
321 written = length;
322 }
323
324done:
325 if (!paused)
326 ahc_unpause(ahc);
327 ahc_unlock(ahc, &s);
328 return (written);
329}
330
331/*
332 * Return information to handle /proc support for the driver.
333 */
334int
335ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
336 off_t offset, int length, int inout)
337{
338 struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
339 struct info_str info;
340 char ahc_info[256];
341 u_int max_targ;
342 u_int i;
343 int retval;
344
345 /* Has data been written to the file? */
346 if (inout == TRUE) {
347 retval = ahc_proc_write_seeprom(ahc, buffer, length);
348 goto done;
349 }
350
351 if (start)
352 *start = buffer;
353
354 info.buffer = buffer;
355 info.length = length;
356 info.offset = offset;
357 info.pos = 0;
358
359 copy_info(&info, "Adaptec AIC7xxx driver version: %s\n",
360 AIC7XXX_DRIVER_VERSION);
361 copy_info(&info, "%s\n", ahc->description);
362 ahc_controller_info(ahc, ahc_info);
363 copy_info(&info, "%s\n", ahc_info);
364 copy_info(&info, "Allocated SCBs: %d, SG List Length: %d\n\n",
365 ahc->scb_data->numscbs, AHC_NSEG);
366
367
368 if (ahc->seep_config == NULL)
369 copy_info(&info, "No Serial EEPROM\n");
370 else {
371 copy_info(&info, "Serial EEPROM:\n");
372 for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
373 if (((i % 8) == 0) && (i != 0)) {
374 copy_info(&info, "\n");
375 }
376 copy_info(&info, "0x%.4x ",
377 ((uint16_t*)ahc->seep_config)[i]);
378 }
379 copy_info(&info, "\n");
380 }
381 copy_info(&info, "\n");
382
383 max_targ = 16;
384 if ((ahc->features & (AHC_WIDE|AHC_TWIN)) == 0)
385 max_targ = 8;
386
387 for (i = 0; i < max_targ; i++) {
388 u_int our_id;
389 u_int target_id;
390 char channel;
391
392 channel = 'A';
393 our_id = ahc->our_id;
394 target_id = i;
395 if (i > 7 && (ahc->features & AHC_TWIN) != 0) {
396 channel = 'B';
397 our_id = ahc->our_id_b;
398 target_id = i % 8;
399 }
400
401 ahc_dump_target_state(ahc, &info, our_id,
402 channel, target_id, i);
403 }
404 retval = info.pos > info.offset ? info.pos - info.offset : 0;
405done:
406 return (retval);
407}
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/aic7xxx_proc.c#29 $
41 */
42#include "aic7xxx_osm.h"
43#include "aic7xxx_inline.h"
44#include "aic7xxx_93cx6.h"
45
46static void ahc_dump_target_state(struct ahc_softc *ahc,
47 struct seq_file *m,
48 u_int our_id, char channel,
49 u_int target_id, u_int target_offset);
50static void ahc_dump_device_state(struct seq_file *m,
51 struct scsi_device *dev);
52
53/*
54 * Table of syncrates that don't follow the "divisible by 4"
55 * rule. This table will be expanded in future SCSI specs.
56 */
57static const struct {
58 u_int period_factor;
59 u_int period; /* in 100ths of ns */
60} scsi_syncrates[] = {
61 { 0x08, 625 }, /* FAST-160 */
62 { 0x09, 1250 }, /* FAST-80 */
63 { 0x0a, 2500 }, /* FAST-40 40MHz */
64 { 0x0b, 3030 }, /* FAST-40 33MHz */
65 { 0x0c, 5000 } /* FAST-20 */
66};
67
68/*
69 * Return the frequency in kHz corresponding to the given
70 * sync period factor.
71 */
72static u_int
73ahc_calc_syncsrate(u_int period_factor)
74{
75 int i;
76
77 /* See if the period is in the "exception" table */
78 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
79
80 if (period_factor == scsi_syncrates[i].period_factor) {
81 /* Period in kHz */
82 return (100000000 / scsi_syncrates[i].period);
83 }
84 }
85
86 /*
87 * Wasn't in the table, so use the standard
88 * 4 times conversion.
89 */
90 return (10000000 / (period_factor * 4 * 10));
91}
92
93static void
94ahc_format_transinfo(struct seq_file *m, struct ahc_transinfo *tinfo)
95{
96 u_int speed;
97 u_int freq;
98 u_int mb;
99
100 speed = 3300;
101 freq = 0;
102 if (tinfo->offset != 0) {
103 freq = ahc_calc_syncsrate(tinfo->period);
104 speed = freq;
105 }
106 speed *= (0x01 << tinfo->width);
107 mb = speed / 1000;
108 if (mb > 0)
109 seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
110 else
111 seq_printf(m, "%dKB/s transfers", speed);
112
113 if (freq != 0) {
114 seq_printf(m, " (%d.%03dMHz%s, offset %d",
115 freq / 1000, freq % 1000,
116 (tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
117 ? " DT" : "", tinfo->offset);
118 }
119
120 if (tinfo->width > 0) {
121 if (freq != 0) {
122 seq_puts(m, ", ");
123 } else {
124 seq_puts(m, " (");
125 }
126 seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
127 } else if (freq != 0) {
128 seq_putc(m, ')');
129 }
130 seq_putc(m, '\n');
131}
132
133static void
134ahc_dump_target_state(struct ahc_softc *ahc, struct seq_file *m,
135 u_int our_id, char channel, u_int target_id,
136 u_int target_offset)
137{
138 struct scsi_target *starget;
139 struct ahc_initiator_tinfo *tinfo;
140 struct ahc_tmode_tstate *tstate;
141 int lun;
142
143 tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
144 target_id, &tstate);
145 if ((ahc->features & AHC_TWIN) != 0)
146 seq_printf(m, "Channel %c ", channel);
147 seq_printf(m, "Target %d Negotiation Settings\n", target_id);
148 seq_puts(m, "\tUser: ");
149 ahc_format_transinfo(m, &tinfo->user);
150 starget = ahc->platform_data->starget[target_offset];
151 if (!starget)
152 return;
153
154 seq_puts(m, "\tGoal: ");
155 ahc_format_transinfo(m, &tinfo->goal);
156 seq_puts(m, "\tCurr: ");
157 ahc_format_transinfo(m, &tinfo->curr);
158
159 for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
160 struct scsi_device *sdev;
161
162 sdev = scsi_device_lookup_by_target(starget, lun);
163
164 if (sdev == NULL)
165 continue;
166
167 ahc_dump_device_state(m, sdev);
168 }
169}
170
171static void
172ahc_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
173{
174 struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
175
176 seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
177 sdev->sdev_target->channel + 'A',
178 sdev->sdev_target->id, (u8)sdev->lun);
179
180 seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
181 seq_printf(m, "\t\tCommands Active %d\n", dev->active);
182 seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
183 seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
184 seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
185}
186
187int
188ahc_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
189{
190 struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
191 struct seeprom_descriptor sd;
192 int have_seeprom;
193 u_long s;
194 int paused;
195 int written;
196
197 /* Default to failure. */
198 written = -EINVAL;
199 ahc_lock(ahc, &s);
200 paused = ahc_is_paused(ahc);
201 if (!paused)
202 ahc_pause(ahc);
203
204 if (length != sizeof(struct seeprom_config)) {
205 printk("ahc_proc_write_seeprom: incorrect buffer size\n");
206 goto done;
207 }
208
209 have_seeprom = ahc_verify_cksum((struct seeprom_config*)buffer);
210 if (have_seeprom == 0) {
211 printk("ahc_proc_write_seeprom: cksum verification failed\n");
212 goto done;
213 }
214
215 sd.sd_ahc = ahc;
216#if AHC_PCI_CONFIG > 0
217 if ((ahc->chip & AHC_PCI) != 0) {
218 sd.sd_control_offset = SEECTL;
219 sd.sd_status_offset = SEECTL;
220 sd.sd_dataout_offset = SEECTL;
221 if (ahc->flags & AHC_LARGE_SEEPROM)
222 sd.sd_chip = C56_66;
223 else
224 sd.sd_chip = C46;
225 sd.sd_MS = SEEMS;
226 sd.sd_RDY = SEERDY;
227 sd.sd_CS = SEECS;
228 sd.sd_CK = SEECK;
229 sd.sd_DO = SEEDO;
230 sd.sd_DI = SEEDI;
231 have_seeprom = ahc_acquire_seeprom(ahc, &sd);
232 } else
233#endif
234 if ((ahc->chip & AHC_VL) != 0) {
235 sd.sd_control_offset = SEECTL_2840;
236 sd.sd_status_offset = STATUS_2840;
237 sd.sd_dataout_offset = STATUS_2840;
238 sd.sd_chip = C46;
239 sd.sd_MS = 0;
240 sd.sd_RDY = EEPROM_TF;
241 sd.sd_CS = CS_2840;
242 sd.sd_CK = CK_2840;
243 sd.sd_DO = DO_2840;
244 sd.sd_DI = DI_2840;
245 have_seeprom = TRUE;
246 } else {
247 printk("ahc_proc_write_seeprom: unsupported adapter type\n");
248 goto done;
249 }
250
251 if (!have_seeprom) {
252 printk("ahc_proc_write_seeprom: No Serial EEPROM\n");
253 goto done;
254 } else {
255 u_int start_addr;
256
257 if (ahc->seep_config == NULL) {
258 ahc->seep_config = kmalloc(sizeof(*ahc->seep_config), GFP_ATOMIC);
259 if (ahc->seep_config == NULL) {
260 printk("aic7xxx: Unable to allocate serial "
261 "eeprom buffer. Write failing\n");
262 goto done;
263 }
264 }
265 printk("aic7xxx: Writing Serial EEPROM\n");
266 start_addr = 32 * (ahc->channel - 'A');
267 ahc_write_seeprom(&sd, (u_int16_t *)buffer, start_addr,
268 sizeof(struct seeprom_config)/2);
269 ahc_read_seeprom(&sd, (uint16_t *)ahc->seep_config,
270 start_addr, sizeof(struct seeprom_config)/2);
271#if AHC_PCI_CONFIG > 0
272 if ((ahc->chip & AHC_VL) == 0)
273 ahc_release_seeprom(&sd);
274#endif
275 written = length;
276 }
277
278done:
279 if (!paused)
280 ahc_unpause(ahc);
281 ahc_unlock(ahc, &s);
282 return (written);
283}
284
285/*
286 * Return information to handle /proc support for the driver.
287 */
288int
289ahc_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
290{
291 struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
292 char ahc_info[256];
293 u_int max_targ;
294 u_int i;
295
296 seq_printf(m, "Adaptec AIC7xxx driver version: %s\n",
297 AIC7XXX_DRIVER_VERSION);
298 seq_printf(m, "%s\n", ahc->description);
299 ahc_controller_info(ahc, ahc_info);
300 seq_printf(m, "%s\n", ahc_info);
301 seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
302 ahc->scb_data->numscbs, AHC_NSEG);
303
304
305 if (ahc->seep_config == NULL)
306 seq_puts(m, "No Serial EEPROM\n");
307 else {
308 seq_puts(m, "Serial EEPROM:\n");
309 for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
310 if (((i % 8) == 0) && (i != 0)) {
311 seq_putc(m, '\n');
312 }
313 seq_printf(m, "0x%.4x ",
314 ((uint16_t*)ahc->seep_config)[i]);
315 }
316 seq_putc(m, '\n');
317 }
318 seq_putc(m, '\n');
319
320 max_targ = 16;
321 if ((ahc->features & (AHC_WIDE|AHC_TWIN)) == 0)
322 max_targ = 8;
323
324 for (i = 0; i < max_targ; i++) {
325 u_int our_id;
326 u_int target_id;
327 char channel;
328
329 channel = 'A';
330 our_id = ahc->our_id;
331 target_id = i;
332 if (i > 7 && (ahc->features & AHC_TWIN) != 0) {
333 channel = 'B';
334 our_id = ahc->our_id_b;
335 target_id = i % 8;
336 }
337
338 ahc_dump_target_state(ahc, m, our_id,
339 channel, target_id, i);
340 }
341 return 0;
342}