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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
59
60
61static const struct {
62 u_int period_factor;
63 u_int period;
64} scsi_syncrates[] = {
65 { 0x08, 625 },
66 { 0x09, 1250 },
67 { 0x0a, 2500 },
68 { 0x0b, 3030 },
69 { 0x0c, 5000 }
70};
71
72
73
74
75
76static u_int
77ahc_calc_syncsrate(u_int period_factor)
78{
79 int i;
80
81
82 for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
83
84 if (period_factor == scsi_syncrates[i].period_factor) {
85
86 return (100000000 / scsi_syncrates[i].period);
87 }
88 }
89
90
91
92
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
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
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
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}
408
