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1/* gdth_proc.c
2 * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $
3 */
4
5#include <linux/completion.h>
6#include <linux/slab.h>
7
8int gdth_proc_info(struct Scsi_Host *host, char *buffer,char **start,off_t offset,int length,
9 int inout)
10{
11 gdth_ha_str *ha = shost_priv(host);
12
13 TRACE2(("gdth_proc_info() length %d offs %d inout %d\n",
14 length,(int)offset,inout));
15
16 if (inout)
17 return(gdth_set_info(buffer,length,host,ha));
18 else
19 return(gdth_get_info(buffer,start,offset,length,host,ha));
20}
21
22static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host,
23 gdth_ha_str *ha)
24{
25 int ret_val = -EINVAL;
26
27 TRACE2(("gdth_set_info() ha %d\n",ha->hanum,));
28
29 if (length >= 4) {
30 if (strncmp(buffer,"gdth",4) == 0) {
31 buffer += 5;
32 length -= 5;
33 ret_val = gdth_set_asc_info(host, buffer, length, ha);
34 }
35 }
36
37 return ret_val;
38}
39
40static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer,
41 int length, gdth_ha_str *ha)
42{
43 int orig_length, drive, wb_mode;
44 int i, found;
45 gdth_cmd_str gdtcmd;
46 gdth_cpar_str *pcpar;
47 u64 paddr;
48
49 char cmnd[MAX_COMMAND_SIZE];
50 memset(cmnd, 0xff, 12);
51 memset(&gdtcmd, 0, sizeof(gdth_cmd_str));
52
53 TRACE2(("gdth_set_asc_info() ha %d\n",ha->hanum));
54 orig_length = length + 5;
55 drive = -1;
56 wb_mode = 0;
57 found = FALSE;
58
59 if (length >= 5 && strncmp(buffer,"flush",5)==0) {
60 buffer += 6;
61 length -= 6;
62 if (length && *buffer>='0' && *buffer<='9') {
63 drive = (int)(*buffer-'0');
64 ++buffer; --length;
65 if (length && *buffer>='0' && *buffer<='9') {
66 drive = drive*10 + (int)(*buffer-'0');
67 ++buffer; --length;
68 }
69 printk("GDT: Flushing host drive %d .. ",drive);
70 } else {
71 printk("GDT: Flushing all host drives .. ");
72 }
73 for (i = 0; i < MAX_HDRIVES; ++i) {
74 if (ha->hdr[i].present) {
75 if (drive != -1 && i != drive)
76 continue;
77 found = TRUE;
78 gdtcmd.Service = CACHESERVICE;
79 gdtcmd.OpCode = GDT_FLUSH;
80 if (ha->cache_feat & GDT_64BIT) {
81 gdtcmd.u.cache64.DeviceNo = i;
82 gdtcmd.u.cache64.BlockNo = 1;
83 } else {
84 gdtcmd.u.cache.DeviceNo = i;
85 gdtcmd.u.cache.BlockNo = 1;
86 }
87
88 gdth_execute(host, &gdtcmd, cmnd, 30, NULL);
89 }
90 }
91 if (!found)
92 printk("\nNo host drive found !\n");
93 else
94 printk("Done.\n");
95 return(orig_length);
96 }
97
98 if (length >= 7 && strncmp(buffer,"wbp_off",7)==0) {
99 buffer += 8;
100 length -= 8;
101 printk("GDT: Disabling write back permanently .. ");
102 wb_mode = 1;
103 } else if (length >= 6 && strncmp(buffer,"wbp_on",6)==0) {
104 buffer += 7;
105 length -= 7;
106 printk("GDT: Enabling write back permanently .. ");
107 wb_mode = 2;
108 } else if (length >= 6 && strncmp(buffer,"wb_off",6)==0) {
109 buffer += 7;
110 length -= 7;
111 printk("GDT: Disabling write back commands .. ");
112 if (ha->cache_feat & GDT_WR_THROUGH) {
113 gdth_write_through = TRUE;
114 printk("Done.\n");
115 } else {
116 printk("Not supported !\n");
117 }
118 return(orig_length);
119 } else if (length >= 5 && strncmp(buffer,"wb_on",5)==0) {
120 buffer += 6;
121 length -= 6;
122 printk("GDT: Enabling write back commands .. ");
123 gdth_write_through = FALSE;
124 printk("Done.\n");
125 return(orig_length);
126 }
127
128 if (wb_mode) {
129 if (!gdth_ioctl_alloc(ha, sizeof(gdth_cpar_str), TRUE, &paddr))
130 return(-EBUSY);
131 pcpar = (gdth_cpar_str *)ha->pscratch;
132 memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) );
133 gdtcmd.Service = CACHESERVICE;
134 gdtcmd.OpCode = GDT_IOCTL;
135 gdtcmd.u.ioctl.p_param = paddr;
136 gdtcmd.u.ioctl.param_size = sizeof(gdth_cpar_str);
137 gdtcmd.u.ioctl.subfunc = CACHE_CONFIG;
138 gdtcmd.u.ioctl.channel = INVALID_CHANNEL;
139 pcpar->write_back = wb_mode==1 ? 0:1;
140
141 gdth_execute(host, &gdtcmd, cmnd, 30, NULL);
142
143 gdth_ioctl_free(ha, GDTH_SCRATCH, ha->pscratch, paddr);
144 printk("Done.\n");
145 return(orig_length);
146 }
147
148 printk("GDT: Unknown command: %s Length: %d\n",buffer,length);
149 return(-EINVAL);
150}
151
152static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
153 struct Scsi_Host *host, gdth_ha_str *ha)
154{
155 int size = 0,len = 0;
156 int hlen;
157 off_t begin = 0,pos = 0;
158 int id, i, j, k, sec, flag;
159 int no_mdrv = 0, drv_no, is_mirr;
160 u32 cnt;
161 u64 paddr;
162 int rc = -ENOMEM;
163
164 gdth_cmd_str *gdtcmd;
165 gdth_evt_str *estr;
166 char hrec[161];
167 struct timeval tv;
168
169 char *buf;
170 gdth_dskstat_str *pds;
171 gdth_diskinfo_str *pdi;
172 gdth_arrayinf_str *pai;
173 gdth_defcnt_str *pdef;
174 gdth_cdrinfo_str *pcdi;
175 gdth_hget_str *phg;
176 char cmnd[MAX_COMMAND_SIZE];
177
178 gdtcmd = kmalloc(sizeof(*gdtcmd), GFP_KERNEL);
179 estr = kmalloc(sizeof(*estr), GFP_KERNEL);
180 if (!gdtcmd || !estr)
181 goto free_fail;
182
183 memset(cmnd, 0xff, 12);
184 memset(gdtcmd, 0, sizeof(gdth_cmd_str));
185
186 TRACE2(("gdth_get_info() ha %d\n",ha->hanum));
187
188
189 /* request is i.e. "cat /proc/scsi/gdth/0" */
190 /* format: %-15s\t%-10s\t%-15s\t%s */
191 /* driver parameters */
192 size = sprintf(buffer+len,"Driver Parameters:\n");
193 len += size; pos = begin + len;
194 if (reserve_list[0] == 0xff)
195 strcpy(hrec, "--");
196 else {
197 hlen = sprintf(hrec, "%d", reserve_list[0]);
198 for (i = 1; i < MAX_RES_ARGS; i++) {
199 if (reserve_list[i] == 0xff)
200 break;
201 hlen += snprintf(hrec + hlen , 161 - hlen, ",%d", reserve_list[i]);
202 }
203 }
204 size = sprintf(buffer+len,
205 " reserve_mode: \t%d \treserve_list: \t%s\n",
206 reserve_mode, hrec);
207 len += size; pos = begin + len;
208 size = sprintf(buffer+len,
209 " max_ids: \t%-3d \thdr_channel: \t%d\n",
210 max_ids, hdr_channel);
211 len += size; pos = begin + len;
212
213 /* controller information */
214 size = sprintf(buffer+len,"\nDisk Array Controller Information:\n");
215 len += size; pos = begin + len;
216 strcpy(hrec, ha->binfo.type_string);
217 size = sprintf(buffer+len,
218 " Number: \t%d \tName: \t%s\n",
219 ha->hanum, hrec);
220 len += size; pos = begin + len;
221
222 if (ha->more_proc)
223 sprintf(hrec, "%d.%02d.%02d-%c%03X",
224 (u8)(ha->binfo.upd_fw_ver>>24),
225 (u8)(ha->binfo.upd_fw_ver>>16),
226 (u8)(ha->binfo.upd_fw_ver),
227 ha->bfeat.raid ? 'R':'N',
228 ha->binfo.upd_revision);
229 else
230 sprintf(hrec, "%d.%02d", (u8)(ha->cpar.version>>8),
231 (u8)(ha->cpar.version));
232
233 size = sprintf(buffer+len,
234 " Driver Ver.: \t%-10s\tFirmware Ver.: \t%s\n",
235 GDTH_VERSION_STR, hrec);
236 len += size; pos = begin + len;
237
238 if (ha->more_proc) {
239 /* more information: 1. about controller */
240 size = sprintf(buffer+len,
241 " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n",
242 ha->binfo.ser_no, ha->binfo.memsize / 1024);
243 len += size; pos = begin + len;
244 }
245
246#ifdef GDTH_DMA_STATISTICS
247 /* controller statistics */
248 size = sprintf(buffer+len,"\nController Statistics:\n");
249 len += size; pos = begin + len;
250 size = sprintf(buffer+len,
251 " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n",
252 ha->dma32_cnt, ha->dma64_cnt);
253 len += size; pos = begin + len;
254#endif
255
256 if (pos < offset) {
257 len = 0;
258 begin = pos;
259 }
260 if (pos > offset + length)
261 goto stop_output;
262
263 if (ha->more_proc) {
264 /* more information: 2. about physical devices */
265 size = sprintf(buffer+len,"\nPhysical Devices:");
266 len += size; pos = begin + len;
267 flag = FALSE;
268
269 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr);
270 if (!buf)
271 goto stop_output;
272 for (i = 0; i < ha->bus_cnt; ++i) {
273 /* 2.a statistics (and retries/reassigns) */
274 TRACE2(("pdr_statistics() chn %d\n",i));
275 pds = (gdth_dskstat_str *)(buf + GDTH_SCRATCH/4);
276 gdtcmd->Service = CACHESERVICE;
277 gdtcmd->OpCode = GDT_IOCTL;
278 gdtcmd->u.ioctl.p_param = paddr + GDTH_SCRATCH/4;
279 gdtcmd->u.ioctl.param_size = 3*GDTH_SCRATCH/4;
280 gdtcmd->u.ioctl.subfunc = DSK_STATISTICS | L_CTRL_PATTERN;
281 gdtcmd->u.ioctl.channel = ha->raw[i].address | INVALID_CHANNEL;
282 pds->bid = ha->raw[i].local_no;
283 pds->first = 0;
284 pds->entries = ha->raw[i].pdev_cnt;
285 cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(u32)) /
286 sizeof(pds->list[0]);
287 if (pds->entries > cnt)
288 pds->entries = cnt;
289
290 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK)
291 pds->count = 0;
292
293 /* other IOCTLs must fit into area GDTH_SCRATCH/4 */
294 for (j = 0; j < ha->raw[i].pdev_cnt; ++j) {
295 /* 2.b drive info */
296 TRACE2(("scsi_drv_info() chn %d dev %d\n",
297 i, ha->raw[i].id_list[j]));
298 pdi = (gdth_diskinfo_str *)buf;
299 gdtcmd->Service = CACHESERVICE;
300 gdtcmd->OpCode = GDT_IOCTL;
301 gdtcmd->u.ioctl.p_param = paddr;
302 gdtcmd->u.ioctl.param_size = sizeof(gdth_diskinfo_str);
303 gdtcmd->u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN;
304 gdtcmd->u.ioctl.channel =
305 ha->raw[i].address | ha->raw[i].id_list[j];
306
307 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
308 strncpy(hrec,pdi->vendor,8);
309 strncpy(hrec+8,pdi->product,16);
310 strncpy(hrec+24,pdi->revision,4);
311 hrec[28] = 0;
312 size = sprintf(buffer+len,
313 "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n",
314 'A'+i,pdi->target_id,pdi->lun,hrec);
315 len += size; pos = begin + len;
316 flag = TRUE;
317 pdi->no_ldrive &= 0xffff;
318 if (pdi->no_ldrive == 0xffff)
319 strcpy(hrec,"--");
320 else
321 sprintf(hrec,"%d",pdi->no_ldrive);
322 size = sprintf(buffer+len,
323 " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n",
324 pdi->blkcnt/(1024*1024/pdi->blksize),
325 hrec);
326 len += size; pos = begin + len;
327 } else {
328 pdi->devtype = 0xff;
329 }
330
331 if (pdi->devtype == 0) {
332 /* search retries/reassigns */
333 for (k = 0; k < pds->count; ++k) {
334 if (pds->list[k].tid == pdi->target_id &&
335 pds->list[k].lun == pdi->lun) {
336 size = sprintf(buffer+len,
337 " Retries: \t%-6d \tReassigns: \t%d\n",
338 pds->list[k].retries,
339 pds->list[k].reassigns);
340 len += size; pos = begin + len;
341 break;
342 }
343 }
344 /* 2.c grown defects */
345 TRACE2(("scsi_drv_defcnt() chn %d dev %d\n",
346 i, ha->raw[i].id_list[j]));
347 pdef = (gdth_defcnt_str *)buf;
348 gdtcmd->Service = CACHESERVICE;
349 gdtcmd->OpCode = GDT_IOCTL;
350 gdtcmd->u.ioctl.p_param = paddr;
351 gdtcmd->u.ioctl.param_size = sizeof(gdth_defcnt_str);
352 gdtcmd->u.ioctl.subfunc = SCSI_DEF_CNT | L_CTRL_PATTERN;
353 gdtcmd->u.ioctl.channel =
354 ha->raw[i].address | ha->raw[i].id_list[j];
355 pdef->sddc_type = 0x08;
356
357 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
358 size = sprintf(buffer+len,
359 " Grown Defects:\t%d\n",
360 pdef->sddc_cnt);
361 len += size; pos = begin + len;
362 }
363 }
364 if (pos < offset) {
365 len = 0;
366 begin = pos;
367 }
368 if (pos > offset + length) {
369 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
370 goto stop_output;
371 }
372 }
373 }
374 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
375
376 if (!flag) {
377 size = sprintf(buffer+len, "\n --\n");
378 len += size; pos = begin + len;
379 }
380
381 /* 3. about logical drives */
382 size = sprintf(buffer+len,"\nLogical Drives:");
383 len += size; pos = begin + len;
384 flag = FALSE;
385
386 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr);
387 if (!buf)
388 goto stop_output;
389 for (i = 0; i < MAX_LDRIVES; ++i) {
390 if (!ha->hdr[i].is_logdrv)
391 continue;
392 drv_no = i;
393 j = k = 0;
394 is_mirr = FALSE;
395 do {
396 /* 3.a log. drive info */
397 TRACE2(("cache_drv_info() drive no %d\n",drv_no));
398 pcdi = (gdth_cdrinfo_str *)buf;
399 gdtcmd->Service = CACHESERVICE;
400 gdtcmd->OpCode = GDT_IOCTL;
401 gdtcmd->u.ioctl.p_param = paddr;
402 gdtcmd->u.ioctl.param_size = sizeof(gdth_cdrinfo_str);
403 gdtcmd->u.ioctl.subfunc = CACHE_DRV_INFO;
404 gdtcmd->u.ioctl.channel = drv_no;
405 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK)
406 break;
407 pcdi->ld_dtype >>= 16;
408 j++;
409 if (pcdi->ld_dtype > 2) {
410 strcpy(hrec, "missing");
411 } else if (pcdi->ld_error & 1) {
412 strcpy(hrec, "fault");
413 } else if (pcdi->ld_error & 2) {
414 strcpy(hrec, "invalid");
415 k++; j--;
416 } else {
417 strcpy(hrec, "ok");
418 }
419
420 if (drv_no == i) {
421 size = sprintf(buffer+len,
422 "\n Number: \t%-2d \tStatus: \t%s\n",
423 drv_no, hrec);
424 len += size; pos = begin + len;
425 flag = TRUE;
426 no_mdrv = pcdi->cd_ldcnt;
427 if (no_mdrv > 1 || pcdi->ld_slave != -1) {
428 is_mirr = TRUE;
429 strcpy(hrec, "RAID-1");
430 } else if (pcdi->ld_dtype == 0) {
431 strcpy(hrec, "Disk");
432 } else if (pcdi->ld_dtype == 1) {
433 strcpy(hrec, "RAID-0");
434 } else if (pcdi->ld_dtype == 2) {
435 strcpy(hrec, "Chain");
436 } else {
437 strcpy(hrec, "???");
438 }
439 size = sprintf(buffer+len,
440 " Capacity [MB]:\t%-6d \tType: \t%s\n",
441 pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize),
442 hrec);
443 len += size; pos = begin + len;
444 } else {
445 size = sprintf(buffer+len,
446 " Slave Number: \t%-2d \tStatus: \t%s\n",
447 drv_no & 0x7fff, hrec);
448 len += size; pos = begin + len;
449 }
450 drv_no = pcdi->ld_slave;
451 if (pos < offset) {
452 len = 0;
453 begin = pos;
454 }
455 if (pos > offset + length) {
456 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
457 goto stop_output;
458 }
459 } while (drv_no != -1);
460
461 if (is_mirr) {
462 size = sprintf(buffer+len,
463 " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n",
464 no_mdrv - j - k, k);
465 len += size; pos = begin + len;
466 }
467
468 if (!ha->hdr[i].is_arraydrv)
469 strcpy(hrec, "--");
470 else
471 sprintf(hrec, "%d", ha->hdr[i].master_no);
472 size = sprintf(buffer+len,
473 " To Array Drv.:\t%s\n", hrec);
474 len += size; pos = begin + len;
475 if (pos < offset) {
476 len = 0;
477 begin = pos;
478 }
479 if (pos > offset + length) {
480 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
481 goto stop_output;
482 }
483 }
484 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
485
486 if (!flag) {
487 size = sprintf(buffer+len, "\n --\n");
488 len += size; pos = begin + len;
489 }
490
491 /* 4. about array drives */
492 size = sprintf(buffer+len,"\nArray Drives:");
493 len += size; pos = begin + len;
494 flag = FALSE;
495
496 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr);
497 if (!buf)
498 goto stop_output;
499 for (i = 0; i < MAX_LDRIVES; ++i) {
500 if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master))
501 continue;
502 /* 4.a array drive info */
503 TRACE2(("array_info() drive no %d\n",i));
504 pai = (gdth_arrayinf_str *)buf;
505 gdtcmd->Service = CACHESERVICE;
506 gdtcmd->OpCode = GDT_IOCTL;
507 gdtcmd->u.ioctl.p_param = paddr;
508 gdtcmd->u.ioctl.param_size = sizeof(gdth_arrayinf_str);
509 gdtcmd->u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN;
510 gdtcmd->u.ioctl.channel = i;
511 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
512 if (pai->ai_state == 0)
513 strcpy(hrec, "idle");
514 else if (pai->ai_state == 2)
515 strcpy(hrec, "build");
516 else if (pai->ai_state == 4)
517 strcpy(hrec, "ready");
518 else if (pai->ai_state == 6)
519 strcpy(hrec, "fail");
520 else if (pai->ai_state == 8 || pai->ai_state == 10)
521 strcpy(hrec, "rebuild");
522 else
523 strcpy(hrec, "error");
524 if (pai->ai_ext_state & 0x10)
525 strcat(hrec, "/expand");
526 else if (pai->ai_ext_state & 0x1)
527 strcat(hrec, "/patch");
528 size = sprintf(buffer+len,
529 "\n Number: \t%-2d \tStatus: \t%s\n",
530 i,hrec);
531 len += size; pos = begin + len;
532 flag = TRUE;
533
534 if (pai->ai_type == 0)
535 strcpy(hrec, "RAID-0");
536 else if (pai->ai_type == 4)
537 strcpy(hrec, "RAID-4");
538 else if (pai->ai_type == 5)
539 strcpy(hrec, "RAID-5");
540 else
541 strcpy(hrec, "RAID-10");
542 size = sprintf(buffer+len,
543 " Capacity [MB]:\t%-6d \tType: \t%s\n",
544 pai->ai_size/(1024*1024/pai->ai_secsize),
545 hrec);
546 len += size; pos = begin + len;
547 if (pos < offset) {
548 len = 0;
549 begin = pos;
550 }
551 if (pos > offset + length) {
552 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
553 goto stop_output;
554 }
555 }
556 }
557 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
558
559 if (!flag) {
560 size = sprintf(buffer+len, "\n --\n");
561 len += size; pos = begin + len;
562 }
563
564 /* 5. about host drives */
565 size = sprintf(buffer+len,"\nHost Drives:");
566 len += size; pos = begin + len;
567 flag = FALSE;
568
569 buf = gdth_ioctl_alloc(ha, sizeof(gdth_hget_str), FALSE, &paddr);
570 if (!buf)
571 goto stop_output;
572 for (i = 0; i < MAX_LDRIVES; ++i) {
573 if (!ha->hdr[i].is_logdrv ||
574 (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master))
575 continue;
576 /* 5.a get host drive list */
577 TRACE2(("host_get() drv_no %d\n",i));
578 phg = (gdth_hget_str *)buf;
579 gdtcmd->Service = CACHESERVICE;
580 gdtcmd->OpCode = GDT_IOCTL;
581 gdtcmd->u.ioctl.p_param = paddr;
582 gdtcmd->u.ioctl.param_size = sizeof(gdth_hget_str);
583 gdtcmd->u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN;
584 gdtcmd->u.ioctl.channel = i;
585 phg->entries = MAX_HDRIVES;
586 phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]);
587 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
588 ha->hdr[i].ldr_no = i;
589 ha->hdr[i].rw_attribs = 0;
590 ha->hdr[i].start_sec = 0;
591 } else {
592 for (j = 0; j < phg->entries; ++j) {
593 k = phg->entry[j].host_drive;
594 if (k >= MAX_LDRIVES)
595 continue;
596 ha->hdr[k].ldr_no = phg->entry[j].log_drive;
597 ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs;
598 ha->hdr[k].start_sec = phg->entry[j].start_sec;
599 }
600 }
601 }
602 gdth_ioctl_free(ha, sizeof(gdth_hget_str), buf, paddr);
603
604 for (i = 0; i < MAX_HDRIVES; ++i) {
605 if (!(ha->hdr[i].present))
606 continue;
607
608 size = sprintf(buffer+len,
609 "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n",
610 i, ha->hdr[i].ldr_no);
611 len += size; pos = begin + len;
612 flag = TRUE;
613
614 size = sprintf(buffer+len,
615 " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n",
616 (u32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec);
617 len += size; pos = begin + len;
618 if (pos < offset) {
619 len = 0;
620 begin = pos;
621 }
622 if (pos > offset + length)
623 goto stop_output;
624 }
625
626 if (!flag) {
627 size = sprintf(buffer+len, "\n --\n");
628 len += size; pos = begin + len;
629 }
630 }
631
632 /* controller events */
633 size = sprintf(buffer+len,"\nController Events:\n");
634 len += size; pos = begin + len;
635
636 for (id = -1;;) {
637 id = gdth_read_event(ha, id, estr);
638 if (estr->event_source == 0)
639 break;
640 if (estr->event_data.eu.driver.ionode == ha->hanum &&
641 estr->event_source == ES_ASYNC) {
642 gdth_log_event(&estr->event_data, hrec);
643 do_gettimeofday(&tv);
644 sec = (int)(tv.tv_sec - estr->first_stamp);
645 if (sec < 0) sec = 0;
646 size = sprintf(buffer+len," date- %02d:%02d:%02d\t%s\n",
647 sec/3600, sec%3600/60, sec%60, hrec);
648 len += size; pos = begin + len;
649 if (pos < offset) {
650 len = 0;
651 begin = pos;
652 }
653 if (pos > offset + length)
654 goto stop_output;
655 }
656 if (id == -1)
657 break;
658 }
659
660stop_output:
661 *start = buffer +(offset-begin);
662 len -= (offset-begin);
663 if (len > length)
664 len = length;
665 TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %d\n",
666 len,(int)pos,(int)begin,(int)offset,length,size));
667 rc = len;
668
669free_fail:
670 kfree(gdtcmd);
671 kfree(estr);
672 return rc;
673}
674
675static char *gdth_ioctl_alloc(gdth_ha_str *ha, int size, int scratch,
676 u64 *paddr)
677{
678 unsigned long flags;
679 char *ret_val;
680
681 if (size == 0)
682 return NULL;
683
684 spin_lock_irqsave(&ha->smp_lock, flags);
685
686 if (!ha->scratch_busy && size <= GDTH_SCRATCH) {
687 ha->scratch_busy = TRUE;
688 ret_val = ha->pscratch;
689 *paddr = ha->scratch_phys;
690 } else if (scratch) {
691 ret_val = NULL;
692 } else {
693 dma_addr_t dma_addr;
694
695 ret_val = pci_alloc_consistent(ha->pdev, size, &dma_addr);
696 *paddr = dma_addr;
697 }
698
699 spin_unlock_irqrestore(&ha->smp_lock, flags);
700 return ret_val;
701}
702
703static void gdth_ioctl_free(gdth_ha_str *ha, int size, char *buf, u64 paddr)
704{
705 unsigned long flags;
706
707 if (buf == ha->pscratch) {
708 spin_lock_irqsave(&ha->smp_lock, flags);
709 ha->scratch_busy = FALSE;
710 spin_unlock_irqrestore(&ha->smp_lock, flags);
711 } else {
712 pci_free_consistent(ha->pdev, size, buf, paddr);
713 }
714}
715
716#ifdef GDTH_IOCTL_PROC
717static int gdth_ioctl_check_bin(gdth_ha_str *ha, u16 size)
718{
719 unsigned long flags;
720 int ret_val;
721
722 spin_lock_irqsave(&ha->smp_lock, flags);
723
724 ret_val = FALSE;
725 if (ha->scratch_busy) {
726 if (((gdth_iord_str *)ha->pscratch)->size == (u32)size)
727 ret_val = TRUE;
728 }
729 spin_unlock_irqrestore(&ha->smp_lock, flags);
730 return ret_val;
731}
732#endif
733
734static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id)
735{
736 unsigned long flags;
737 int i;
738 Scsi_Cmnd *scp;
739 struct gdth_cmndinfo *cmndinfo;
740 u8 b, t;
741
742 spin_lock_irqsave(&ha->smp_lock, flags);
743
744 for (i = 0; i < GDTH_MAXCMDS; ++i) {
745 scp = ha->cmd_tab[i].cmnd;
746 cmndinfo = gdth_cmnd_priv(scp);
747
748 b = scp->device->channel;
749 t = scp->device->id;
750 if (!SPECIAL_SCP(scp) && t == (u8)id &&
751 b == (u8)busnum) {
752 cmndinfo->wait_for_completion = 0;
753 spin_unlock_irqrestore(&ha->smp_lock, flags);
754 while (!cmndinfo->wait_for_completion)
755 barrier();
756 spin_lock_irqsave(&ha->smp_lock, flags);
757 }
758 }
759 spin_unlock_irqrestore(&ha->smp_lock, flags);
760}
1/* gdth_proc.c
2 * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $
3 */
4
5#include <linux/completion.h>
6#include <linux/slab.h>
7
8int gdth_set_info(struct Scsi_Host *host, char *buffer, int length)
9{
10 gdth_ha_str *ha = shost_priv(host);
11 int ret_val = -EINVAL;
12
13 TRACE2(("gdth_set_info() ha %d\n",ha->hanum,));
14
15 if (length >= 4) {
16 if (strncmp(buffer,"gdth",4) == 0) {
17 buffer += 5;
18 length -= 5;
19 ret_val = gdth_set_asc_info(host, buffer, length, ha);
20 }
21 }
22
23 return ret_val;
24}
25
26static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer,
27 int length, gdth_ha_str *ha)
28{
29 int orig_length, drive, wb_mode;
30 int i, found;
31 gdth_cmd_str gdtcmd;
32 gdth_cpar_str *pcpar;
33 u64 paddr;
34
35 char cmnd[MAX_COMMAND_SIZE];
36 memset(cmnd, 0xff, 12);
37 memset(&gdtcmd, 0, sizeof(gdth_cmd_str));
38
39 TRACE2(("gdth_set_asc_info() ha %d\n",ha->hanum));
40 orig_length = length + 5;
41 drive = -1;
42 wb_mode = 0;
43 found = FALSE;
44
45 if (length >= 5 && strncmp(buffer,"flush",5)==0) {
46 buffer += 6;
47 length -= 6;
48 if (length && *buffer>='0' && *buffer<='9') {
49 drive = (int)(*buffer-'0');
50 ++buffer; --length;
51 if (length && *buffer>='0' && *buffer<='9') {
52 drive = drive*10 + (int)(*buffer-'0');
53 ++buffer; --length;
54 }
55 printk("GDT: Flushing host drive %d .. ",drive);
56 } else {
57 printk("GDT: Flushing all host drives .. ");
58 }
59 for (i = 0; i < MAX_HDRIVES; ++i) {
60 if (ha->hdr[i].present) {
61 if (drive != -1 && i != drive)
62 continue;
63 found = TRUE;
64 gdtcmd.Service = CACHESERVICE;
65 gdtcmd.OpCode = GDT_FLUSH;
66 if (ha->cache_feat & GDT_64BIT) {
67 gdtcmd.u.cache64.DeviceNo = i;
68 gdtcmd.u.cache64.BlockNo = 1;
69 } else {
70 gdtcmd.u.cache.DeviceNo = i;
71 gdtcmd.u.cache.BlockNo = 1;
72 }
73
74 gdth_execute(host, &gdtcmd, cmnd, 30, NULL);
75 }
76 }
77 if (!found)
78 printk("\nNo host drive found !\n");
79 else
80 printk("Done.\n");
81 return(orig_length);
82 }
83
84 if (length >= 7 && strncmp(buffer,"wbp_off",7)==0) {
85 buffer += 8;
86 length -= 8;
87 printk("GDT: Disabling write back permanently .. ");
88 wb_mode = 1;
89 } else if (length >= 6 && strncmp(buffer,"wbp_on",6)==0) {
90 buffer += 7;
91 length -= 7;
92 printk("GDT: Enabling write back permanently .. ");
93 wb_mode = 2;
94 } else if (length >= 6 && strncmp(buffer,"wb_off",6)==0) {
95 buffer += 7;
96 length -= 7;
97 printk("GDT: Disabling write back commands .. ");
98 if (ha->cache_feat & GDT_WR_THROUGH) {
99 gdth_write_through = TRUE;
100 printk("Done.\n");
101 } else {
102 printk("Not supported !\n");
103 }
104 return(orig_length);
105 } else if (length >= 5 && strncmp(buffer,"wb_on",5)==0) {
106 buffer += 6;
107 length -= 6;
108 printk("GDT: Enabling write back commands .. ");
109 gdth_write_through = FALSE;
110 printk("Done.\n");
111 return(orig_length);
112 }
113
114 if (wb_mode) {
115 if (!gdth_ioctl_alloc(ha, sizeof(gdth_cpar_str), TRUE, &paddr))
116 return(-EBUSY);
117 pcpar = (gdth_cpar_str *)ha->pscratch;
118 memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) );
119 gdtcmd.Service = CACHESERVICE;
120 gdtcmd.OpCode = GDT_IOCTL;
121 gdtcmd.u.ioctl.p_param = paddr;
122 gdtcmd.u.ioctl.param_size = sizeof(gdth_cpar_str);
123 gdtcmd.u.ioctl.subfunc = CACHE_CONFIG;
124 gdtcmd.u.ioctl.channel = INVALID_CHANNEL;
125 pcpar->write_back = wb_mode==1 ? 0:1;
126
127 gdth_execute(host, &gdtcmd, cmnd, 30, NULL);
128
129 gdth_ioctl_free(ha, GDTH_SCRATCH, ha->pscratch, paddr);
130 printk("Done.\n");
131 return(orig_length);
132 }
133
134 printk("GDT: Unknown command: %s Length: %d\n",buffer,length);
135 return(-EINVAL);
136}
137
138int gdth_show_info(struct seq_file *m, struct Scsi_Host *host)
139{
140 gdth_ha_str *ha = shost_priv(host);
141 int hlen;
142 int id, i, j, k, sec, flag;
143 int no_mdrv = 0, drv_no, is_mirr;
144 u32 cnt;
145 u64 paddr;
146 int rc = -ENOMEM;
147
148 gdth_cmd_str *gdtcmd;
149 gdth_evt_str *estr;
150 char hrec[161];
151
152 char *buf;
153 gdth_dskstat_str *pds;
154 gdth_diskinfo_str *pdi;
155 gdth_arrayinf_str *pai;
156 gdth_defcnt_str *pdef;
157 gdth_cdrinfo_str *pcdi;
158 gdth_hget_str *phg;
159 char cmnd[MAX_COMMAND_SIZE];
160
161 gdtcmd = kmalloc(sizeof(*gdtcmd), GFP_KERNEL);
162 estr = kmalloc(sizeof(*estr), GFP_KERNEL);
163 if (!gdtcmd || !estr)
164 goto free_fail;
165
166 memset(cmnd, 0xff, 12);
167 memset(gdtcmd, 0, sizeof(gdth_cmd_str));
168
169 TRACE2(("gdth_get_info() ha %d\n",ha->hanum));
170
171
172 /* request is i.e. "cat /proc/scsi/gdth/0" */
173 /* format: %-15s\t%-10s\t%-15s\t%s */
174 /* driver parameters */
175 seq_puts(m, "Driver Parameters:\n");
176 if (reserve_list[0] == 0xff)
177 strcpy(hrec, "--");
178 else {
179 hlen = sprintf(hrec, "%d", reserve_list[0]);
180 for (i = 1; i < MAX_RES_ARGS; i++) {
181 if (reserve_list[i] == 0xff)
182 break;
183 hlen += snprintf(hrec + hlen , 161 - hlen, ",%d", reserve_list[i]);
184 }
185 }
186 seq_printf(m,
187 " reserve_mode: \t%d \treserve_list: \t%s\n",
188 reserve_mode, hrec);
189 seq_printf(m,
190 " max_ids: \t%-3d \thdr_channel: \t%d\n",
191 max_ids, hdr_channel);
192
193 /* controller information */
194 seq_puts(m, "\nDisk Array Controller Information:\n");
195 seq_printf(m,
196 " Number: \t%d \tName: \t%s\n",
197 ha->hanum, ha->binfo.type_string);
198
199 seq_printf(m,
200 " Driver Ver.: \t%-10s\tFirmware Ver.: \t",
201 GDTH_VERSION_STR);
202 if (ha->more_proc)
203 seq_printf(m, "%d.%02d.%02d-%c%03X\n",
204 (u8)(ha->binfo.upd_fw_ver>>24),
205 (u8)(ha->binfo.upd_fw_ver>>16),
206 (u8)(ha->binfo.upd_fw_ver),
207 ha->bfeat.raid ? 'R':'N',
208 ha->binfo.upd_revision);
209 else
210 seq_printf(m, "%d.%02d\n", (u8)(ha->cpar.version>>8),
211 (u8)(ha->cpar.version));
212
213 if (ha->more_proc)
214 /* more information: 1. about controller */
215 seq_printf(m,
216 " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n",
217 ha->binfo.ser_no, ha->binfo.memsize / 1024);
218
219#ifdef GDTH_DMA_STATISTICS
220 /* controller statistics */
221 seq_puts(m, "\nController Statistics:\n");
222 seq_printf(m,
223 " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n",
224 ha->dma32_cnt, ha->dma64_cnt);
225#endif
226
227 if (ha->more_proc) {
228 /* more information: 2. about physical devices */
229 seq_puts(m, "\nPhysical Devices:");
230 flag = FALSE;
231
232 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr);
233 if (!buf)
234 goto stop_output;
235 for (i = 0; i < ha->bus_cnt; ++i) {
236 /* 2.a statistics (and retries/reassigns) */
237 TRACE2(("pdr_statistics() chn %d\n",i));
238 pds = (gdth_dskstat_str *)(buf + GDTH_SCRATCH/4);
239 gdtcmd->Service = CACHESERVICE;
240 gdtcmd->OpCode = GDT_IOCTL;
241 gdtcmd->u.ioctl.p_param = paddr + GDTH_SCRATCH/4;
242 gdtcmd->u.ioctl.param_size = 3*GDTH_SCRATCH/4;
243 gdtcmd->u.ioctl.subfunc = DSK_STATISTICS | L_CTRL_PATTERN;
244 gdtcmd->u.ioctl.channel = ha->raw[i].address | INVALID_CHANNEL;
245 pds->bid = ha->raw[i].local_no;
246 pds->first = 0;
247 pds->entries = ha->raw[i].pdev_cnt;
248 cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(u32)) /
249 sizeof(pds->list[0]);
250 if (pds->entries > cnt)
251 pds->entries = cnt;
252
253 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK)
254 pds->count = 0;
255
256 /* other IOCTLs must fit into area GDTH_SCRATCH/4 */
257 for (j = 0; j < ha->raw[i].pdev_cnt; ++j) {
258 /* 2.b drive info */
259 TRACE2(("scsi_drv_info() chn %d dev %d\n",
260 i, ha->raw[i].id_list[j]));
261 pdi = (gdth_diskinfo_str *)buf;
262 gdtcmd->Service = CACHESERVICE;
263 gdtcmd->OpCode = GDT_IOCTL;
264 gdtcmd->u.ioctl.p_param = paddr;
265 gdtcmd->u.ioctl.param_size = sizeof(gdth_diskinfo_str);
266 gdtcmd->u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN;
267 gdtcmd->u.ioctl.channel =
268 ha->raw[i].address | ha->raw[i].id_list[j];
269
270 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
271 strncpy(hrec,pdi->vendor,8);
272 strncpy(hrec+8,pdi->product,16);
273 strncpy(hrec+24,pdi->revision,4);
274 hrec[28] = 0;
275 seq_printf(m,
276 "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n",
277 'A'+i,pdi->target_id,pdi->lun,hrec);
278 flag = TRUE;
279 pdi->no_ldrive &= 0xffff;
280 if (pdi->no_ldrive == 0xffff)
281 strcpy(hrec,"--");
282 else
283 sprintf(hrec,"%d",pdi->no_ldrive);
284 seq_printf(m,
285 " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n",
286 pdi->blkcnt/(1024*1024/pdi->blksize),
287 hrec);
288 } else {
289 pdi->devtype = 0xff;
290 }
291
292 if (pdi->devtype == 0) {
293 /* search retries/reassigns */
294 for (k = 0; k < pds->count; ++k) {
295 if (pds->list[k].tid == pdi->target_id &&
296 pds->list[k].lun == pdi->lun) {
297 seq_printf(m,
298 " Retries: \t%-6d \tReassigns: \t%d\n",
299 pds->list[k].retries,
300 pds->list[k].reassigns);
301 break;
302 }
303 }
304 /* 2.c grown defects */
305 TRACE2(("scsi_drv_defcnt() chn %d dev %d\n",
306 i, ha->raw[i].id_list[j]));
307 pdef = (gdth_defcnt_str *)buf;
308 gdtcmd->Service = CACHESERVICE;
309 gdtcmd->OpCode = GDT_IOCTL;
310 gdtcmd->u.ioctl.p_param = paddr;
311 gdtcmd->u.ioctl.param_size = sizeof(gdth_defcnt_str);
312 gdtcmd->u.ioctl.subfunc = SCSI_DEF_CNT | L_CTRL_PATTERN;
313 gdtcmd->u.ioctl.channel =
314 ha->raw[i].address | ha->raw[i].id_list[j];
315 pdef->sddc_type = 0x08;
316
317 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
318 seq_printf(m,
319 " Grown Defects:\t%d\n",
320 pdef->sddc_cnt);
321 }
322 }
323 }
324 }
325 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
326
327 if (!flag)
328 seq_puts(m, "\n --\n");
329
330 /* 3. about logical drives */
331 seq_puts(m, "\nLogical Drives:");
332 flag = FALSE;
333
334 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr);
335 if (!buf)
336 goto stop_output;
337 for (i = 0; i < MAX_LDRIVES; ++i) {
338 if (!ha->hdr[i].is_logdrv)
339 continue;
340 drv_no = i;
341 j = k = 0;
342 is_mirr = FALSE;
343 do {
344 /* 3.a log. drive info */
345 TRACE2(("cache_drv_info() drive no %d\n",drv_no));
346 pcdi = (gdth_cdrinfo_str *)buf;
347 gdtcmd->Service = CACHESERVICE;
348 gdtcmd->OpCode = GDT_IOCTL;
349 gdtcmd->u.ioctl.p_param = paddr;
350 gdtcmd->u.ioctl.param_size = sizeof(gdth_cdrinfo_str);
351 gdtcmd->u.ioctl.subfunc = CACHE_DRV_INFO;
352 gdtcmd->u.ioctl.channel = drv_no;
353 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK)
354 break;
355 pcdi->ld_dtype >>= 16;
356 j++;
357 if (pcdi->ld_dtype > 2) {
358 strcpy(hrec, "missing");
359 } else if (pcdi->ld_error & 1) {
360 strcpy(hrec, "fault");
361 } else if (pcdi->ld_error & 2) {
362 strcpy(hrec, "invalid");
363 k++; j--;
364 } else {
365 strcpy(hrec, "ok");
366 }
367
368 if (drv_no == i) {
369 seq_printf(m,
370 "\n Number: \t%-2d \tStatus: \t%s\n",
371 drv_no, hrec);
372 flag = TRUE;
373 no_mdrv = pcdi->cd_ldcnt;
374 if (no_mdrv > 1 || pcdi->ld_slave != -1) {
375 is_mirr = TRUE;
376 strcpy(hrec, "RAID-1");
377 } else if (pcdi->ld_dtype == 0) {
378 strcpy(hrec, "Disk");
379 } else if (pcdi->ld_dtype == 1) {
380 strcpy(hrec, "RAID-0");
381 } else if (pcdi->ld_dtype == 2) {
382 strcpy(hrec, "Chain");
383 } else {
384 strcpy(hrec, "???");
385 }
386 seq_printf(m,
387 " Capacity [MB]:\t%-6d \tType: \t%s\n",
388 pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize),
389 hrec);
390 } else {
391 seq_printf(m,
392 " Slave Number: \t%-2d \tStatus: \t%s\n",
393 drv_no & 0x7fff, hrec);
394 }
395 drv_no = pcdi->ld_slave;
396 } while (drv_no != -1);
397
398 if (is_mirr)
399 seq_printf(m,
400 " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n",
401 no_mdrv - j - k, k);
402
403 if (!ha->hdr[i].is_arraydrv)
404 strcpy(hrec, "--");
405 else
406 sprintf(hrec, "%d", ha->hdr[i].master_no);
407 seq_printf(m,
408 " To Array Drv.:\t%s\n", hrec);
409 }
410 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
411
412 if (!flag)
413 seq_puts(m, "\n --\n");
414
415 /* 4. about array drives */
416 seq_puts(m, "\nArray Drives:");
417 flag = FALSE;
418
419 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr);
420 if (!buf)
421 goto stop_output;
422 for (i = 0; i < MAX_LDRIVES; ++i) {
423 if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master))
424 continue;
425 /* 4.a array drive info */
426 TRACE2(("array_info() drive no %d\n",i));
427 pai = (gdth_arrayinf_str *)buf;
428 gdtcmd->Service = CACHESERVICE;
429 gdtcmd->OpCode = GDT_IOCTL;
430 gdtcmd->u.ioctl.p_param = paddr;
431 gdtcmd->u.ioctl.param_size = sizeof(gdth_arrayinf_str);
432 gdtcmd->u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN;
433 gdtcmd->u.ioctl.channel = i;
434 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
435 if (pai->ai_state == 0)
436 strcpy(hrec, "idle");
437 else if (pai->ai_state == 2)
438 strcpy(hrec, "build");
439 else if (pai->ai_state == 4)
440 strcpy(hrec, "ready");
441 else if (pai->ai_state == 6)
442 strcpy(hrec, "fail");
443 else if (pai->ai_state == 8 || pai->ai_state == 10)
444 strcpy(hrec, "rebuild");
445 else
446 strcpy(hrec, "error");
447 if (pai->ai_ext_state & 0x10)
448 strcat(hrec, "/expand");
449 else if (pai->ai_ext_state & 0x1)
450 strcat(hrec, "/patch");
451 seq_printf(m,
452 "\n Number: \t%-2d \tStatus: \t%s\n",
453 i,hrec);
454 flag = TRUE;
455
456 if (pai->ai_type == 0)
457 strcpy(hrec, "RAID-0");
458 else if (pai->ai_type == 4)
459 strcpy(hrec, "RAID-4");
460 else if (pai->ai_type == 5)
461 strcpy(hrec, "RAID-5");
462 else
463 strcpy(hrec, "RAID-10");
464 seq_printf(m,
465 " Capacity [MB]:\t%-6d \tType: \t%s\n",
466 pai->ai_size/(1024*1024/pai->ai_secsize),
467 hrec);
468 }
469 }
470 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
471
472 if (!flag)
473 seq_puts(m, "\n --\n");
474
475 /* 5. about host drives */
476 seq_puts(m, "\nHost Drives:");
477 flag = FALSE;
478
479 buf = gdth_ioctl_alloc(ha, sizeof(gdth_hget_str), FALSE, &paddr);
480 if (!buf)
481 goto stop_output;
482 for (i = 0; i < MAX_LDRIVES; ++i) {
483 if (!ha->hdr[i].is_logdrv ||
484 (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master))
485 continue;
486 /* 5.a get host drive list */
487 TRACE2(("host_get() drv_no %d\n",i));
488 phg = (gdth_hget_str *)buf;
489 gdtcmd->Service = CACHESERVICE;
490 gdtcmd->OpCode = GDT_IOCTL;
491 gdtcmd->u.ioctl.p_param = paddr;
492 gdtcmd->u.ioctl.param_size = sizeof(gdth_hget_str);
493 gdtcmd->u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN;
494 gdtcmd->u.ioctl.channel = i;
495 phg->entries = MAX_HDRIVES;
496 phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]);
497 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) {
498 ha->hdr[i].ldr_no = i;
499 ha->hdr[i].rw_attribs = 0;
500 ha->hdr[i].start_sec = 0;
501 } else {
502 for (j = 0; j < phg->entries; ++j) {
503 k = phg->entry[j].host_drive;
504 if (k >= MAX_LDRIVES)
505 continue;
506 ha->hdr[k].ldr_no = phg->entry[j].log_drive;
507 ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs;
508 ha->hdr[k].start_sec = phg->entry[j].start_sec;
509 }
510 }
511 }
512 gdth_ioctl_free(ha, sizeof(gdth_hget_str), buf, paddr);
513
514 for (i = 0; i < MAX_HDRIVES; ++i) {
515 if (!(ha->hdr[i].present))
516 continue;
517
518 seq_printf(m,
519 "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n",
520 i, ha->hdr[i].ldr_no);
521 flag = TRUE;
522
523 seq_printf(m,
524 " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n",
525 (u32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec);
526 }
527
528 if (!flag)
529 seq_puts(m, "\n --\n");
530 }
531
532 /* controller events */
533 seq_puts(m, "\nController Events:\n");
534
535 for (id = -1;;) {
536 id = gdth_read_event(ha, id, estr);
537 if (estr->event_source == 0)
538 break;
539 if (estr->event_data.eu.driver.ionode == ha->hanum &&
540 estr->event_source == ES_ASYNC) {
541 gdth_log_event(&estr->event_data, hrec);
542
543 /*
544 * Elapsed seconds subtraction with unsigned operands is
545 * safe from wrap around in year 2106. Executes as:
546 * operand a + (2's complement operand b) + 1
547 */
548
549 sec = (int)((u32)ktime_get_real_seconds() - estr->first_stamp);
550 if (sec < 0) sec = 0;
551 seq_printf(m," date- %02d:%02d:%02d\t%s\n",
552 sec/3600, sec%3600/60, sec%60, hrec);
553 }
554 if (id == -1)
555 break;
556 }
557stop_output:
558 rc = 0;
559free_fail:
560 kfree(gdtcmd);
561 kfree(estr);
562 return rc;
563}
564
565static char *gdth_ioctl_alloc(gdth_ha_str *ha, int size, int scratch,
566 u64 *paddr)
567{
568 unsigned long flags;
569 char *ret_val;
570
571 if (size == 0)
572 return NULL;
573
574 spin_lock_irqsave(&ha->smp_lock, flags);
575
576 if (!ha->scratch_busy && size <= GDTH_SCRATCH) {
577 ha->scratch_busy = TRUE;
578 ret_val = ha->pscratch;
579 *paddr = ha->scratch_phys;
580 } else if (scratch) {
581 ret_val = NULL;
582 } else {
583 dma_addr_t dma_addr;
584
585 ret_val = pci_alloc_consistent(ha->pdev, size, &dma_addr);
586 *paddr = dma_addr;
587 }
588
589 spin_unlock_irqrestore(&ha->smp_lock, flags);
590 return ret_val;
591}
592
593static void gdth_ioctl_free(gdth_ha_str *ha, int size, char *buf, u64 paddr)
594{
595 unsigned long flags;
596
597 if (buf == ha->pscratch) {
598 spin_lock_irqsave(&ha->smp_lock, flags);
599 ha->scratch_busy = FALSE;
600 spin_unlock_irqrestore(&ha->smp_lock, flags);
601 } else {
602 pci_free_consistent(ha->pdev, size, buf, paddr);
603 }
604}
605
606#ifdef GDTH_IOCTL_PROC
607static int gdth_ioctl_check_bin(gdth_ha_str *ha, u16 size)
608{
609 unsigned long flags;
610 int ret_val;
611
612 spin_lock_irqsave(&ha->smp_lock, flags);
613
614 ret_val = FALSE;
615 if (ha->scratch_busy) {
616 if (((gdth_iord_str *)ha->pscratch)->size == (u32)size)
617 ret_val = TRUE;
618 }
619 spin_unlock_irqrestore(&ha->smp_lock, flags);
620 return ret_val;
621}
622#endif
623
624static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id)
625{
626 unsigned long flags;
627 int i;
628 Scsi_Cmnd *scp;
629 struct gdth_cmndinfo *cmndinfo;
630 u8 b, t;
631
632 spin_lock_irqsave(&ha->smp_lock, flags);
633
634 for (i = 0; i < GDTH_MAXCMDS; ++i) {
635 scp = ha->cmd_tab[i].cmnd;
636 cmndinfo = gdth_cmnd_priv(scp);
637
638 b = scp->device->channel;
639 t = scp->device->id;
640 if (!SPECIAL_SCP(scp) && t == (u8)id &&
641 b == (u8)busnum) {
642 cmndinfo->wait_for_completion = 0;
643 spin_unlock_irqrestore(&ha->smp_lock, flags);
644 while (!cmndinfo->wait_for_completion)
645 barrier();
646 spin_lock_irqsave(&ha->smp_lock, flags);
647 }
648 }
649 spin_unlock_irqrestore(&ha->smp_lock, flags);
650}