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Import 2.3.18pre1
[davej-history.git] / drivers / scsi / gdth_proc.c
blob137eb4c4cacacb118c4d9e60ad0fa9d05e58e500
1 /* gdth_proc.c
2 * $Id: gdth_proc.c,v 1.13 1999/03/22 16:12:53 achim Exp $
3 */
4
5 #include "gdth_ioctl.h"
6
7 int gdth_proc_info(char *buffer,char **start,off_t offset,int length,
8 int hostno,int inout)
9 {
10 int hanum,busnum,i;
11
12 TRACE2(("gdth_proc_info() length %d ha %d offs %d inout %d\n",
13 length,hostno,(int)offset,inout));
14
15 for (i=0; i<gdth_ctr_vcount; ++i) {
16 if (gdth_ctr_vtab[i]->host_no == hostno)
17 break;
18 }
19 if (i==gdth_ctr_vcount)
20 return(-EINVAL);
21
22 hanum = NUMDATA(gdth_ctr_vtab[i])->hanum;
23 busnum= NUMDATA(gdth_ctr_vtab[i])->busnum;
24
25 if (inout)
26 return(gdth_set_info(buffer,length,i,hanum,busnum));
27 else
28 return(gdth_get_info(buffer,start,offset,length,i,hanum,busnum));
29 }
30
31 static int gdth_set_info(char *buffer,int length,int vh,int hanum,int busnum)
32 {
33 int ret_val;
34 Scsi_Cmnd scp;
35 Scsi_Device sdev;
36 gdth_iowr_str *piowr;
37
38 TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum));
39 piowr = (gdth_iowr_str *)buffer;
40
41 memset(&sdev,0,sizeof(Scsi_Device));
42 memset(&scp, 0,sizeof(Scsi_Cmnd));
43 sdev.host = gdth_ctr_vtab[vh];
44 sdev.id = sdev.host->this_id;
45 scp.cmd_len = 12;
46 scp.host = gdth_ctr_vtab[vh];
47 scp.target = sdev.host->this_id;
48 scp.device = &sdev;
49 scp.use_sg = 0;
50
51 if (length >= 4) {
52 if (strncmp(buffer,"gdth",4) == 0) {
53 buffer += 5;
54 length -= 5;
55 ret_val = gdth_set_asc_info( buffer, length, hanum, scp );
56 } else if (piowr->magic == GDTIOCTL_MAGIC) {
57 ret_val = gdth_set_bin_info( buffer, length, hanum, scp );
58 } else {
59 printk("GDT: Wrong signature: %6s\n",buffer);
60 ret_val = -EINVAL;
61 }
62 } else {
63 ret_val = -EINVAL;
64 }
65 return ret_val;
66 }
67
68 static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd scp)
69 {
70 int orig_length, drive, wb_mode;
71 int i, found;
72 gdth_ha_str *ha;
73 gdth_cmd_str gdtcmd;
74 gdth_cpar_str *pcpar;
75
76 TRACE2(("gdth_set_asc_info() ha %d\n",hanum));
77 ha = HADATA(gdth_ctr_tab[hanum]);
78 orig_length = length + 5;
79 drive = -1;
80 wb_mode = 0;
81 found = FALSE;
82
83 if (length >= 5 && strncmp(buffer,"flush",5)==0) {
84 buffer += 6;
85 length -= 6;
86 if (length && *buffer>='0' && *buffer<='9') {
87 drive = (int)(*buffer-'0');
88 ++buffer; --length;
89 if (length && *buffer>='0' && *buffer<='9') {
90 drive = drive*10 + (int)(*buffer-'0');
91 ++buffer; --length;
92 }
93 printk("GDT: Flushing host drive %d .. ",drive);
94 } else {
95 printk("GDT: Flushing all host drives .. ");
96 }
97 for (i = 0; i < MAX_HDRIVES; ++i) {
98 if (ha->hdr[i].present) {
99 if (drive != -1 && i != drive)
100 continue;
101 found = TRUE;
102 gdtcmd.BoardNode = LOCALBOARD;
103 gdtcmd.Service = CACHESERVICE;
104 gdtcmd.OpCode = GDT_FLUSH;
105 gdtcmd.u.cache.DeviceNo = i;
106 gdtcmd.u.cache.BlockNo = 1;
107 gdtcmd.u.cache.sg_canz = 0;
108 gdth_do_cmd(&scp, &gdtcmd, 30);
109 }
110 }
111 if (!found)
112 printk("\nNo host drive found !\n");
113 else
114 printk("Done.\n");
115 return(orig_length);
116 }
117
118 if (length >= 7 && strncmp(buffer,"wbp_off",7)==0) {
119 buffer += 8;
120 length -= 8;
121 printk("GDT: Disabling write back permanently .. ");
122 wb_mode = 1;
123 } else if (length >= 6 && strncmp(buffer,"wbp_on",6)==0) {
124 buffer += 7;
125 length -= 7;
126 printk("GDT: Enabling write back permanently .. ");
127 wb_mode = 2;
128 } else if (length >= 6 && strncmp(buffer,"wb_off",6)==0) {
129 buffer += 7;
130 length -= 7;
131 printk("GDT: Disabling write back commands .. ");
132 if (ha->cache_feat & GDT_WR_THROUGH) {
133 gdth_write_through = TRUE;
134 printk("Done.\n");
135 } else {
136 printk("Not supported !\n");
137 }
138 return(orig_length);
139 } else if (length >= 5 && strncmp(buffer,"wb_on",5)==0) {
140 buffer += 6;
141 length -= 6;
142 printk("GDT: Enabling write back commands .. ");
143 gdth_write_through = FALSE;
144 printk("Done.\n");
145 return(orig_length);
146 }
147
148 if (wb_mode) {
149 if (!gdth_ioctl_alloc(hanum, sizeof(gdth_cpar_str)))
150 return(-EBUSY);
151 pcpar = (gdth_cpar_str *)ha->pscratch;
152 memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) );
153 gdtcmd.BoardNode = LOCALBOARD;
154 gdtcmd.Service = CACHESERVICE;
155 gdtcmd.OpCode = GDT_IOCTL;
156 gdtcmd.u.ioctl.p_param = virt_to_bus(pcpar);
157 gdtcmd.u.ioctl.param_size = sizeof(gdth_cpar_str);
158 gdtcmd.u.ioctl.subfunc = CACHE_CONFIG;
159 gdtcmd.u.ioctl.channel = INVALID_CHANNEL;
160 pcpar->write_back = wb_mode==1 ? 0:1;
161 gdth_do_cmd(&scp, &gdtcmd, 30);
162 gdth_ioctl_free(hanum);
163 printk("Done.\n");
164 return(orig_length);
165 }
166
167 printk("GDT: Unknown command: %s Length: %d\n",buffer,length);
168 return(-EINVAL);
169 }
170
171 static int gdth_set_bin_info(char *buffer,int length,int hanum,Scsi_Cmnd scp)
172 {
173 unchar i, j;
174 gdth_ha_str *ha;
175 gdth_iowr_str *piowr;
176 gdth_iord_str *piord;
177 gdth_cmd_str *pcmd;
178 gdth_evt_str *pevt;
179 ulong32 *ppadd, add_size;
180 ulong32 *ppadd2, add_size2;
181 ulong flags;
182
183 TRACE2(("gdth_set_bin_info() ha %d\n",hanum));
184 ha = HADATA(gdth_ctr_tab[hanum]);
185 piowr = (gdth_iowr_str *)buffer;
186 piord = NULL;
187 pcmd = NULL;
188 ppadd = ppadd2 = NULL;
189 add_size = add_size2 = 0;
190
191 if (length < GDTOFFSOF(gdth_iowr_str,iu))
192 return(-EINVAL);
193
194 switch (piowr->ioctl) {
195 case GDTIOCTL_GENERAL:
196 if (length < GDTOFFSOF(gdth_iowr_str,iu.general.data[0]))
197 return(-EINVAL);
198 pcmd = (gdth_cmd_str *)piowr->iu.general.command;
199 pcmd->Service = piowr->service;
200 if (pcmd->OpCode == GDT_IOCTL) {
201 ppadd = &pcmd->u.ioctl.p_param;
202 add_size = pcmd->u.ioctl.param_size;
203 } else if (piowr->service == CACHESERVICE) {
204 add_size = pcmd->u.cache.BlockCnt * SECTOR_SIZE;
205 if (ha->cache_feat & SCATTER_GATHER) {
206 ppadd = &pcmd->u.cache.sg_lst[0].sg_ptr;
207 pcmd->u.cache.DestAddr = 0xffffffff;
208 pcmd->u.cache.sg_lst[0].sg_len = add_size;
209 pcmd->u.cache.sg_canz = 1;
210 } else {
211 ppadd = &pcmd->u.cache.DestAddr;
212 pcmd->u.cache.sg_canz = 0;
213 }
214 } else if (piowr->service == SCSIRAWSERVICE) {
215 add_size = pcmd->u.raw.sdlen;
216 add_size2 = pcmd->u.raw.sense_len;
217 if (ha->raw_feat & SCATTER_GATHER) {
218 ppadd = &pcmd->u.raw.sg_lst[0].sg_ptr;
219 pcmd->u.raw.sdata = 0xffffffff;
220 pcmd->u.raw.sg_lst[0].sg_len = add_size;
221 pcmd->u.raw.sg_ranz = 1;
222 } else {
223 ppadd = &pcmd->u.raw.sdata;
224 pcmd->u.raw.sg_ranz = 0;
225 }
226 ppadd2 = &pcmd->u.raw.sense_data;
227 } else {
228 return(-EINVAL);
229 }
230 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str)+add_size+add_size2 ))
231 return(-EBUSY);
232 piord = (gdth_iord_str *)ha->pscratch;
233
234 piord->size = sizeof(gdth_iord_str) + add_size + add_size2;
235 if (add_size > 0) {
236 memcpy(piord->iu.general.data, piowr->iu.general.data, add_size);
237 *ppadd = virt_to_bus(piord->iu.general.data);
238 }
239 if (add_size2 > 0) {
240 memcpy(piord->iu.general.data+add_size, piowr->iu.general.data, add_size2);
241 *ppadd2 = virt_to_bus(piord->iu.general.data+add_size);
242 }
243 /* do IOCTL */
244 gdth_do_cmd(&scp, pcmd, piowr->timeout);
245 piord->status = (ulong32)scp.SCp.Message;
246 break;
247
248 case GDTIOCTL_DRVERS:
249 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
250 return(-EBUSY);
251 piord = (gdth_iord_str *)ha->pscratch;
252 piord->size = sizeof(gdth_iord_str);
253 piord->status = S_OK;
254 piord->iu.drvers.version = (GDTH_VERSION<<8) | GDTH_SUBVERSION;
255 break;
256
257 case GDTIOCTL_CTRTYPE:
258 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
259 return(-EBUSY);
260 piord = (gdth_iord_str *)ha->pscratch;
261 piord->size = sizeof(gdth_iord_str);
262 piord->status = S_OK;
263 if (ha->type == GDT_ISA || ha->type == GDT_EISA) {
264 piord->iu.ctrtype.type = (unchar)((ha->stype>>20) - 0x10);
265 } else if (ha->type != GDT_PCIMPR) {
266 piord->iu.ctrtype.type = (unchar)((ha->stype<<8) + 6);
267 } else {
268 piord->iu.ctrtype.type = 0xfe;
269 piord->iu.ctrtype.ext_type = 0x6000 | ha->stype;
270 }
271 piord->iu.ctrtype.info = ha->brd_phys;
272 piord->iu.ctrtype.oem_id = (ushort)GDT3_ID;
273 break;
274
275 case GDTIOCTL_CTRCNT:
276 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
277 return(-EBUSY);
278 piord = (gdth_iord_str *)ha->pscratch;
279 piord->size = sizeof(gdth_iord_str);
280 piord->status = S_OK;
281 piord->iu.ctrcnt.count = (ushort)gdth_ctr_count;
282 break;
283
284 case GDTIOCTL_OSVERS:
285 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
286 return(-EBUSY);
287 piord = (gdth_iord_str *)ha->pscratch;
288 piord->size = sizeof(gdth_iord_str);
289 piord->status = S_OK;
290 piord->iu.osvers.version = (unchar)(LINUX_VERSION_CODE >> 16);
291 piord->iu.osvers.subversion = (unchar)(LINUX_VERSION_CODE >> 8);
292 piord->iu.osvers.revision = (ushort)(LINUX_VERSION_CODE & 0xff);
293 break;
294
295 case GDTIOCTL_LOCKDRV:
296 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
297 return(-EBUSY);
298 piord = (gdth_iord_str *)ha->pscratch;
299 for (i = 0; i < piowr->iu.lockdrv.drive_cnt; ++i) {
300 j = piowr->iu.lockdrv.drives[i];
301 if (j >= MAX_HDRIVES || !ha->hdr[j].present)
302 continue;
303 if (piowr->iu.lockdrv.lock) {
304 GDTH_LOCK_HA(ha, flags);
305 ha->hdr[j].lock = 1;
306 GDTH_UNLOCK_HA(ha, flags);
307 gdth_wait_completion( hanum, ha->bus_cnt, j );
308 gdth_stop_timeout( hanum, ha->bus_cnt, j );
309 } else {
310 GDTH_LOCK_HA(ha, flags);
311 ha->hdr[j].lock = 0;
312 GDTH_UNLOCK_HA(ha, flags);
313 gdth_start_timeout( hanum, ha->bus_cnt, j );
314 gdth_next( hanum );
315 }
316 }
317 piord->size = sizeof(gdth_iord_str);
318 piord->status = S_OK;
319 break;
320
321 case GDTIOCTL_LOCKCHN:
322 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
323 return(-EBUSY);
324 i = piowr->iu.lockchn.channel;
325 if (i < ha->bus_cnt) {
326 if (piowr->iu.lockchn.lock) {
327 GDTH_LOCK_HA(ha, flags);
328 ha->raw[i].lock = 1;
329 GDTH_UNLOCK_HA(ha, flags);
330 for (j = 0; j < ha->tid_cnt; ++j) {
331 gdth_wait_completion( hanum, i, j );
332 gdth_stop_timeout( hanum, i, j );
333 }
334 } else {
335 GDTH_LOCK_HA(ha, flags);
336 ha->raw[i].lock = 0;
337 GDTH_UNLOCK_HA(ha, flags);
338 for (j = 0; j < ha->tid_cnt; ++j) {
339 gdth_start_timeout( hanum, i, j );
340 gdth_next( hanum );
341 }
342 }
343 }
344 piord = (gdth_iord_str *)ha->pscratch;
345 piord->size = sizeof(gdth_iord_str);
346 piord->status = S_OK;
347 break;
348
349 case GDTIOCTL_EVENT:
350 if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str) ))
351 return(-EBUSY);
352 piord = (gdth_iord_str *)ha->pscratch;
353 if (piowr->iu.event.erase == 0xff) {
354 pevt = (gdth_evt_str *)piowr->iu.event.evt;
355 if (pevt->event_source == ES_TEST)
356 pevt->event_data.size = sizeof(pevt->event_data.eu.test);
357 else if (pevt->event_source == ES_DRIVER)
358 pevt->event_data.size = sizeof(pevt->event_data.eu.driver);
359 else if (pevt->event_source == ES_SYNC)
360 pevt->event_data.size = sizeof(pevt->event_data.eu.sync);
361 else {
362 pevt->event_data.size = sizeof(pevt->event_data.eu.async);
363 gdth_log_event(&pevt->event_data, NULL);
364 }
365 GDTH_LOCK_HA(ha, flags);
366 gdth_store_event(ha, pevt->event_source, pevt->event_idx,
367 &pevt->event_data);
368 GDTH_UNLOCK_HA(ha, flags);
369 } else if (piowr->iu.event.erase == 0xfe) {
370 gdth_clear_events();
371 } else if (piowr->iu.event.erase == 0) {
372 piord->iu.event.handle =
373 gdth_read_event(ha,piowr->iu.event.handle,
374 (gdth_evt_str *)piord->iu.event.evt);
375 } else {
376 piord->iu.event.handle = piowr->iu.event.handle;
377 gdth_readapp_event(ha, (unchar)piowr->iu.event.erase,
378 (gdth_evt_str *)piord->iu.event.evt);
379 }
380 piord->size = sizeof(gdth_iord_str);
381 piord->status = S_OK;
382 break;
383
384 default:
385 return(-EINVAL);
386 }
387 /* we return a buffer ID to detect the right buffer during READ-IOCTL */
388 return 1;
389 }
390
391 static int gdth_get_info(char *buffer,char **start,off_t offset,
392 int length,int vh,int hanum,int busnum)
393 {
394 int size = 0,len = 0;
395 off_t begin = 0,pos = 0;
396 gdth_ha_str *ha;
397 gdth_iord_str *piord;
398 int id, i, j, k, sec, flag;
399 int no_mdrv = 0, drv_no, is_mirr;
400 ulong32 cnt;
401
402 gdth_cmd_str gdtcmd;
403 gdth_evt_str estr;
404 Scsi_Cmnd scp;
405 Scsi_Device sdev;
406 char hrec[161];
407 struct timeval tv;
408
409 gdth_dskstat_str *pds;
410 gdth_diskinfo_str *pdi;
411 gdth_arrayinf_str *pai;
412 gdth_defcnt_str *pdef;
413 gdth_cdrinfo_str *pcdi;
414 gdth_hget_str *phg;
415
416 TRACE2(("gdth_get_info() ha %d bus %d\n",hanum,busnum));
417 ha = HADATA(gdth_ctr_tab[hanum]);
418 id = length;
419
420 memset(&sdev,0,sizeof(Scsi_Device));
421 memset(&scp, 0,sizeof(Scsi_Cmnd));
422 sdev.host = gdth_ctr_vtab[vh];
423 sdev.id = sdev.host->this_id;
424 scp.cmd_len = 12;
425 scp.host = gdth_ctr_vtab[vh];
426 scp.target = sdev.host->this_id;
427 scp.device = &sdev;
428 scp.use_sg = 0;
429
430 /* look for buffer ID in length */
431 if (id > 1) {
432 /* request is i.e. "cat /proc/scsi/gdth/0" */
433 /* format: %-15s\t%-10s\t%-15s\t%s */
434 /* driver parameters */
435 size = sprintf(buffer+len,"Driver Parameters:\n");
436 len += size; pos = begin + len;
437 if (reserve_list[0] == 0xff)
438 strcpy(hrec, "--");
439 else {
440 sprintf(hrec, "%d", reserve_list[0]);
441 for (i = 1; i < MAX_RES_ARGS; i++) {
442 if (reserve_list[i] == 0xff)
443 break;
444 sprintf(hrec,"%s,%d", hrec, reserve_list[i]);
445 }
446 }
447 size = sprintf(buffer+len,
448 " reserve_mode: \t%d \treserve_list: \t%s\n",
449 reserve_mode, hrec);
450 len += size; pos = begin + len;
451 size = sprintf(buffer+len,
452 " max_ids: \t%-3d \thdr_channel: \t%d\n",
453 max_ids, hdr_channel);
454 len += size; pos = begin + len;
455
456 if (pos < offset) {
457 len = 0;
458 begin = pos;
459 }
460 if (pos > offset + length)
461 goto stop_output;
462
463 /* controller information */
464 size = sprintf(buffer+len,"\nDisk Array Controller Information:\n");
465 len += size; pos = begin + len;
466 #if LINUX_VERSION_CODE >= 0x020000
467 strcpy(hrec, ha->binfo.type_string);
468 #else
469 sprintf(hrec, "%s (Bus %d)", ha->binfo.type_string, busnum);
470 #endif
471 size = sprintf(buffer+len,
472 " Number: \t%d \tName: \t%s\n",
473 hanum, hrec);
474 len += size; pos = begin + len;
475
476 if (ha->more_proc)
477 sprintf(hrec, "%d.%02d.%02d-%c%03X",
478 (unchar)(ha->binfo.upd_fw_ver>>24),
479 (unchar)(ha->binfo.upd_fw_ver>>16),
480 (unchar)(ha->binfo.upd_fw_ver),
481 ha->bfeat.raid ? 'R':'N',
482 ha->binfo.upd_revision);
483 else
484 sprintf(hrec, "%d.%02d", (unchar)(ha->cpar.version>>8),
485 (unchar)(ha->cpar.version));
486
487 size = sprintf(buffer+len,
488 " Driver Ver.: \t%-10s\tFirmware Ver.: \t%s\n",
489 GDTH_VERSION_STR, hrec);
490 len += size; pos = begin + len;
491
492 if (pos < offset) {
493 len = 0;
494 begin = pos;
495 }
496 if (pos > offset + length)
497 goto stop_output;
498
499 if (ha->more_proc) {
500 /* more information: 1. about controller */
501 size = sprintf(buffer+len,
502 " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n",
503 ha->binfo.ser_no, ha->binfo.memsize / 1024);
504 len += size; pos = begin + len;
505
506 if (pos < offset) {
507 len = 0;
508 begin = pos;
509 }
510 if (pos > offset + length)
511 goto stop_output;
512
513 /* 2. about physical devices */
514 size = sprintf(buffer+len,"\nPhysical Devices:");
515 len += size; pos = begin + len;
516 flag = FALSE;
517
518 if (!gdth_ioctl_alloc(hanum, GDTH_SCRATCH))
519 goto stop_output;
520 for (i = 0; i < ha->bus_cnt; ++i) {
521 /* 2.a statistics (and retries/reassigns) */
522 TRACE2(("pdr_statistics() chn %d\n",i));
523 pds = (gdth_dskstat_str *)(ha->pscratch + GDTH_SCRATCH/4);
524 gdtcmd.BoardNode = LOCALBOARD;
525 gdtcmd.Service = CACHESERVICE;
526 gdtcmd.OpCode = GDT_IOCTL;
527 gdtcmd.u.ioctl.p_param = virt_to_bus(pds);
528 gdtcmd.u.ioctl.param_size = 3*GDTH_SCRATCH/4;
529 gdtcmd.u.ioctl.subfunc = DSK_STATISTICS | L_CTRL_PATTERN;
530 gdtcmd.u.ioctl.channel = ha->raw[i].address | INVALID_CHANNEL;
531 pds->bid = ha->raw[i].local_no;
532 pds->first = 0;
533 pds->entries = ha->raw[i].pdev_cnt;
534 cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(ulong32)) /
535 sizeof(pds->list[0]);
536 if (pds->entries > cnt)
537 pds->entries = cnt;
538 gdth_do_cmd(&scp, &gdtcmd, 30);
539 if (scp.SCp.Message != S_OK)
540 pds->count = 0;
541 TRACE2(("pdr_statistics() entries %d status %d\n",
542 pds->count, scp.SCp.Message));
543
544 /* other IOCTLs must fit into area GDTH_SCRATCH/4 */
545 for (j = 0; j < ha->raw[i].pdev_cnt; ++j) {
546 /* 2.b drive info */
547 TRACE2(("scsi_drv_info() chn %d dev %d\n",
548 i, ha->raw[i].id_list[j]));
549 pdi = (gdth_diskinfo_str *)ha->pscratch;
550 gdtcmd.BoardNode = LOCALBOARD;
551 gdtcmd.Service = CACHESERVICE;
552 gdtcmd.OpCode = GDT_IOCTL;
553 gdtcmd.u.ioctl.p_param = virt_to_bus(pdi);
554 gdtcmd.u.ioctl.param_size = sizeof(gdth_diskinfo_str);
555 gdtcmd.u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN;
556 gdtcmd.u.ioctl.channel =
557 ha->raw[i].address | ha->raw[i].id_list[j];
558 gdth_do_cmd(&scp, &gdtcmd, 30);
559 if (scp.SCp.Message == S_OK) {
560 strncpy(hrec,pdi->vendor,8);
561 strncpy(hrec+8,pdi->product,16);
562 strncpy(hrec+24,pdi->revision,4);
563 hrec[28] = 0;
564 size = sprintf(buffer+len,
565 "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n",
566 'A'+i,pdi->target_id,pdi->lun,hrec);
567 len += size; pos = begin + len;
568 flag = TRUE;
569 pdi->no_ldrive &= 0xffff;
570 if (pdi->no_ldrive == 0xffff)
571 strcpy(hrec,"--");
572 else
573 sprintf(hrec,"%d",pdi->no_ldrive);
574 size = sprintf(buffer+len,
575 " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n",
576 pdi->blkcnt/(1024*1024/pdi->blksize),
577 hrec);
578 len += size; pos = begin + len;
579 } else {
580 pdi->devtype = 0xff;
581 }
582
583 if (pdi->devtype == 0) {
584 /* search retries/reassigns */
585 for (k = 0; k < pds->count; ++k) {
586 if (pds->list[k].tid == pdi->target_id &&
587 pds->list[k].lun == pdi->lun) {
588 size = sprintf(buffer+len,
589 " Retries: \t%-6d \tReassigns: \t%d\n",
590 pds->list[k].retries,
591 pds->list[k].reassigns);
592 len += size; pos = begin + len;
593 break;
594 }
595 }
596 /* 2.c grown defects */
597 TRACE2(("scsi_drv_defcnt() chn %d dev %d\n",
598 i, ha->raw[i].id_list[j]));
599 pdef = (gdth_defcnt_str *)ha->pscratch;
600 gdtcmd.BoardNode = LOCALBOARD;
601 gdtcmd.Service = CACHESERVICE;
602 gdtcmd.OpCode = GDT_IOCTL;
603 gdtcmd.u.ioctl.p_param = virt_to_bus(pdef);
604 gdtcmd.u.ioctl.param_size = sizeof(gdth_defcnt_str);
605 gdtcmd.u.ioctl.subfunc = SCSI_DEF_CNT | L_CTRL_PATTERN;
606 gdtcmd.u.ioctl.channel =
607 ha->raw[i].address | ha->raw[i].id_list[j];
608 pdef->sddc_type = 0x08;
609 gdth_do_cmd(&scp, &gdtcmd, 30);
610 if (scp.SCp.Message == S_OK) {
611 size = sprintf(buffer+len,
612 " Grown Defects:\t%d\n",
613 pdef->sddc_cnt);
614 len += size; pos = begin + len;
615 }
616 }
617 }
618 }
619 gdth_ioctl_free(hanum);
620
621 if (!flag) {
622 size = sprintf(buffer+len, "\n --\n");
623 len += size; pos = begin + len;
624 }
625 if (pos < offset) {
626 len = 0;
627 begin = pos;
628 }
629 if (pos > offset + length)
630 goto stop_output;
631
632 /* 3. about logical drives */
633 size = sprintf(buffer+len,"\nLogical Drives:");
634 len += size; pos = begin + len;
635 flag = FALSE;
636
637 if (!gdth_ioctl_alloc(hanum, GDTH_SCRATCH))
638 goto stop_output;
639 for (i = 0; i < MAX_HDRIVES; ++i) {
640 if (!ha->hdr[i].is_logdrv)
641 continue;
642 drv_no = i;
643 j = k = 0;
644 is_mirr = FALSE;
645 do {
646 /* 3.a log. drive info */
647 TRACE2(("cache_drv_info() drive no %d\n",drv_no));
648 pcdi = (gdth_cdrinfo_str *)ha->pscratch;
649 gdtcmd.BoardNode = LOCALBOARD;
650 gdtcmd.Service = CACHESERVICE;
651 gdtcmd.OpCode = GDT_IOCTL;
652 gdtcmd.u.ioctl.p_param = virt_to_bus(pcdi);
653 gdtcmd.u.ioctl.param_size = sizeof(gdth_cdrinfo_str);
654 gdtcmd.u.ioctl.subfunc = CACHE_DRV_INFO;
655 gdtcmd.u.ioctl.channel = drv_no;
656 gdth_do_cmd(&scp, &gdtcmd, 30);
657 if (scp.SCp.Message != S_OK)
658 break;
659 pcdi->ld_dtype >>= 16;
660 j++;
661 if (pcdi->ld_dtype > 2) {
662 strcpy(hrec, "missing");
663 } else if (pcdi->ld_error & 1) {
664 strcpy(hrec, "fault");
665 } else if (pcdi->ld_error & 2) {
666 strcpy(hrec, "invalid");
667 k++; j--;
668 } else {
669 strcpy(hrec, "ok");
670 }
671
672 if (drv_no == i) {
673 size = sprintf(buffer+len,
674 "\n Number: \t%-2d \tStatus: \t%s\n",
675 drv_no, hrec);
676 len += size; pos = begin + len;
677 flag = TRUE;
678 no_mdrv = pcdi->cd_ldcnt;
679 if (no_mdrv > 1 || pcdi->ld_slave != -1) {
680 is_mirr = TRUE;
681 strcpy(hrec, "RAID-1");
682 } else if (pcdi->ld_dtype == 0) {
683 strcpy(hrec, "Disk");
684 } else if (pcdi->ld_dtype == 1) {
685 strcpy(hrec, "RAID-0");
686 } else if (pcdi->ld_dtype == 2) {
687 strcpy(hrec, "Chain");
688 } else {
689 strcpy(hrec, "???");
690 }
691 size = sprintf(buffer+len,
692 " Capacity [MB]:\t%-6d \tType: \t%s\n",
693 pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize),
694 hrec);
695 len += size; pos = begin + len;
696 } else {
697 size = sprintf(buffer+len,
698 " Slave Number: \t%-2d \tStatus: \t%s\n",
699 drv_no & 0x7fff, hrec);
700 len += size; pos = begin + len;
701 }
702 drv_no = pcdi->ld_slave;
703 } while (drv_no != -1);
704
705 if (is_mirr) {
706 size = sprintf(buffer+len,
707 " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n",
708 no_mdrv - j - k, k);
709 len += size; pos = begin + len;
710 }
711
712 if (!ha->hdr[i].is_arraydrv)
713 strcpy(hrec, "--");
714 else
715 sprintf(hrec, "%d", ha->hdr[i].master_no);
716 size = sprintf(buffer+len,
717 " To Array Drv.:\t%s\n", hrec);
718 len += size; pos = begin + len;
719 }
720 gdth_ioctl_free(hanum);
721
722 if (!flag) {
723 size = sprintf(buffer+len, "\n --\n");
724 len += size; pos = begin + len;
725 }
726 if (pos < offset) {
727 len = 0;
728 begin = pos;
729 }
730 if (pos > offset + length)
731 goto stop_output;
732
733 /* 4. about array drives */
734 size = sprintf(buffer+len,"\nArray Drives:");
735 len += size; pos = begin + len;
736 flag = FALSE;
737
738 if (!gdth_ioctl_alloc(hanum, GDTH_SCRATCH))
739 goto stop_output;
740 for (i = 0; i < MAX_HDRIVES; ++i) {
741 if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master))
742 continue;
743 /* 4.a array drive info */
744 TRACE2(("array_info() drive no %d\n",i));
745 pai = (gdth_arrayinf_str *)ha->pscratch;
746 gdtcmd.BoardNode = LOCALBOARD;
747 gdtcmd.Service = CACHESERVICE;
748 gdtcmd.OpCode = GDT_IOCTL;
749 gdtcmd.u.ioctl.p_param = virt_to_bus(pai);
750 gdtcmd.u.ioctl.param_size = sizeof(gdth_arrayinf_str);
751 gdtcmd.u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN;
752 gdtcmd.u.ioctl.channel = i;
753 gdth_do_cmd(&scp, &gdtcmd, 30);
754 if (scp.SCp.Message == S_OK) {
755 if (pai->ai_state == 0)
756 strcpy(hrec, "idle");
757 else if (pai->ai_state == 2)
758 strcpy(hrec, "build");
759 else if (pai->ai_state == 4)
760 strcpy(hrec, "ready");
761 else if (pai->ai_state == 6)
762 strcpy(hrec, "fail");
763 else if (pai->ai_state == 8 || pai->ai_state == 10)
764 strcpy(hrec, "rebuild");
765 else
766 strcpy(hrec, "error");
767 if (pai->ai_ext_state & 0x10)
768 strcat(hrec, "/expand");
769 else if (pai->ai_ext_state & 0x1)
770 strcat(hrec, "/patch");
771 size = sprintf(buffer+len,
772 "\n Number: \t%-2d \tStatus: \t%s\n",
773 i,hrec);
774 len += size; pos = begin + len;
775 flag = TRUE;
776
777 if (pai->ai_type == 0)
778 strcpy(hrec, "RAID-0");
779 else if (pai->ai_type == 4)
780 strcpy(hrec, "RAID-4");
781 else if (pai->ai_type == 5)
782 strcpy(hrec, "RAID-5");
783 else
784 strcpy(hrec, "RAID-10");
785 size = sprintf(buffer+len,
786 " Capacity [MB]:\t%-6d \tType: \t%s\n",
787 pai->ai_size/(1024*1024/pai->ai_secsize),
788 hrec);
789 len += size; pos = begin + len;
790 }
791 }
792 gdth_ioctl_free(hanum);
793
794 if (!flag) {
795 size = sprintf(buffer+len, "\n --\n");
796 len += size; pos = begin + len;
797 }
798 if (pos < offset) {
799 len = 0;
800 begin = pos;
801 }
802 if (pos > offset + length)
803 goto stop_output;
804
805 /* 5. about host drives */
806 size = sprintf(buffer+len,"\nHost Drives:");
807 len += size; pos = begin + len;
808 flag = FALSE;
809
810 if (!gdth_ioctl_alloc(hanum, GDTH_SCRATCH))
811 goto stop_output;
812 for (i = 0; i < MAX_HDRIVES; ++i) {
813 if (!ha->hdr[i].is_logdrv ||
814 (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master))
815 continue;
816 /* 5.a get host drive list */
817 TRACE2(("host_get() drv_no %d\n",i));
818 phg = (gdth_hget_str *)ha->pscratch;
819 gdtcmd.BoardNode = LOCALBOARD;
820 gdtcmd.Service = CACHESERVICE;
821 gdtcmd.OpCode = GDT_IOCTL;
822 gdtcmd.u.ioctl.p_param = virt_to_bus(phg);
823 gdtcmd.u.ioctl.param_size = sizeof(gdth_hget_str);
824 gdtcmd.u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN;
825 gdtcmd.u.ioctl.channel = i;
826 phg->entries = MAX_HDRIVES;
827 phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]);
828 gdth_do_cmd(&scp, &gdtcmd, 30);
829 if (scp.SCp.Message != S_OK) {
830 ha->hdr[i].ldr_no = i;
831 ha->hdr[i].rw_attribs = 0;
832 ha->hdr[i].start_sec = 0;
833 } else {
834 for (j = 0; j < phg->entries; ++j) {
835 k = phg->entry[j].host_drive;
836 if (k >= MAX_HDRIVES)
837 continue;
838 ha->hdr[k].ldr_no = phg->entry[j].log_drive;
839 ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs;
840 ha->hdr[k].start_sec = phg->entry[j].start_sec;
841 }
842 }
843 TRACE2(("host_get entries %d status %d\n",
844 phg->entries, scp.SCp.Message));
845 }
846 gdth_ioctl_free(hanum);
847
848 for (i = 0; i < MAX_HDRIVES; ++i) {
849 if (!(ha->hdr[i].present))
850 continue;
851
852 size = sprintf(buffer+len,
853 "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n",
854 i, ha->hdr[i].ldr_no);
855 len += size; pos = begin + len;
856 flag = TRUE;
857
858 size = sprintf(buffer+len,
859 " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n",
860 ha->hdr[i].size/2048, ha->hdr[i].start_sec);
861 len += size; pos = begin + len;
862 }
863
864 if (!flag) {
865 size = sprintf(buffer+len, "\n --\n");
866 len += size; pos = begin + len;
867 }
868 if (pos < offset) {
869 len = 0;
870 begin = pos;
871 }
872 if (pos > offset + length)
873 goto stop_output;
874 }
875
876 /* controller events */
877 size = sprintf(buffer+len,"\nController Events:\n");
878 len += size; pos = begin + len;
879
880 for (id = -1;;) {
881 id = gdth_read_event(ha, id, &estr);
882 if (estr.event_source == 0)
883 break;
884 if (estr.event_data.eu.driver.ionode == hanum &&
885 estr.event_source == ES_ASYNC) {
886 gdth_log_event(&estr.event_data, hrec);
887 do_gettimeofday(&tv);
888 sec = (int)(tv.tv_sec - estr.first_stamp);
889 if (sec < 0) sec = 0;
890 size = sprintf(buffer+len," date- %02d:%02d:%02d\t%s\n",
891 sec/3600, sec%3600/60, sec%60, hrec);
892 len += size; pos = begin + len;
893 if (pos < offset) {
894 len = 0;
895 begin = pos;
896 }
897 if (pos > offset + length)
898 goto stop_output;
899 }
900 if (id == -1)
901 break;
902 }
903 } else {
904 /* request from tool (GDTMON,..) */
905 piord = (gdth_iord_str *)ha->pscratch;
906 if (piord == NULL)
907 goto stop_output;
908 length = piord->size;
909 memcpy(buffer+len, (char *)piord, length);
910 gdth_ioctl_free(hanum);
911 len += length; pos = begin + len;
912
913 if (pos < offset) {
914 len = 0;
915 begin = pos;
916 }
917 if (pos > offset + length)
918 goto stop_output;
919 }
920
921 stop_output:
922 *start = buffer +(offset-begin);
923 len -= (offset-begin);
924 if (len > length)
925 len = length;
926 TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %d\n",
927 len,(int)pos,(int)begin,(int)offset,length,size));
928 return(len);
929 }
930
931 static void gdth_do_cmd(Scsi_Cmnd *scp,gdth_cmd_str *gdtcmd,int timeout)
932 {
933 char cmnd[12];
934 DECLARE_MUTEX_LOCKED(sem);
935
936 TRACE2(("gdth_do_cmd()\n"));
937 memset(cmnd, 0, 12);
938 scp->request.rq_status = RQ_SCSI_BUSY;
939 scp->request.sem = &sem;
940 scp->SCp.this_residual = IOCTL_PRI;
941 GDTH_LOCK_SCSI_DOCMD();
942 scsi_do_cmd(scp, cmnd, gdtcmd, sizeof(gdth_cmd_str),
943 gdth_scsi_done, timeout*HZ, 1);
944 GDTH_UNLOCK_SCSI_DOCMD();
945 down(&sem);
946 }
947
948 void gdth_scsi_done(Scsi_Cmnd *scp)
949 {
950 TRACE2(("gdth_scsi_done()\n"));
951
952 scp->request.rq_status = RQ_SCSI_DONE;
953
954 if (scp->request.sem != NULL)
955 up(scp->request.sem);
956 }
957
958 static int gdth_ioctl_alloc(int hanum, ushort size)
959 {
960 gdth_ha_str *ha;
961 ulong flags;
962 int ret_val;
963
964 if (size == 0 || size > GDTH_SCRATCH)
965 return FALSE;
966
967 ha = HADATA(gdth_ctr_tab[hanum]);
968 GDTH_LOCK_HA(ha, flags);
969
970 if (!ha->scratch_busy) {
971 ha->scratch_busy = TRUE;
972 ret_val = TRUE;
973 } else
974 ret_val = FALSE;
975
976 GDTH_UNLOCK_HA(ha, flags);
977 return ret_val;
978 }
979
980 static void gdth_ioctl_free(int hanum)
981 {
982 gdth_ha_str *ha;
983 ulong flags;
984
985 ha = HADATA(gdth_ctr_tab[hanum]);
986 GDTH_LOCK_HA(ha, flags);
987
988 ha->scratch_busy = FALSE;
989
990 GDTH_UNLOCK_HA(ha, flags);
991 }
992
993 static void gdth_wait_completion(int hanum, int busnum, int id)
994 {
995 gdth_ha_str *ha;
996 ulong flags;
997 int i;
998 Scsi_Cmnd *scp;
999
1000 ha = HADATA(gdth_ctr_tab[hanum]);
1001 GDTH_LOCK_HA(ha, flags);
1002
1003 for (i = 0; i < GDTH_MAXCMDS; ++i) {
1004 scp = ha->cmd_tab[i].cmnd;
1005 #if LINUX_VERSION_CODE >= 0x020000
1006 if (!SPECIAL_SCP(scp) && scp->target == (unchar)id &&
1007 scp->channel == (unchar)busnum)
1008 #else
1009 if (!SPECIAL_SCP(scp) && scp->target == (unchar)id &&
1010 NUMDATA(scp->host)->busnum == (unchar)busnum)
1011 #endif
1012 {
1013 scp->SCp.have_data_in = 0;
1014 GDTH_UNLOCK_HA(ha, flags);
1015 while (!scp->SCp.have_data_in)
1016 barrier();
1017 GDTH_LOCK_SCSI_DONE(flags);
1018 scp->scsi_done(scp);
1019 GDTH_UNLOCK_SCSI_DONE(flags);
1020 GDTH_LOCK_HA(ha, flags);
1021 }
1022 }
1023 GDTH_UNLOCK_HA(ha, flags);
1024 }
1025
1026 static void gdth_stop_timeout(int hanum, int busnum, int id)
1027 {
1028 gdth_ha_str *ha;
1029 ulong flags;
1030 Scsi_Cmnd *scp;
1031
1032 ha = HADATA(gdth_ctr_tab[hanum]);
1033 GDTH_LOCK_HA(ha, flags);
1034
1035 for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) {
1036 #if LINUX_VERSION_CODE >= 0x020000
1037 if (scp->target == (unchar)id &&
1038 scp->channel == (unchar)busnum)
1039 #else
1040 if (scp->target == (unchar)id &&
1041 NUMDATA(scp->host)->busnum == (unchar)busnum)
1042 #endif
1043 {
1044 TRACE2(("gdth_stop_timeout(): update_timeout()\n"));
1045 scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0);
1046 }
1047 }
1048 GDTH_UNLOCK_HA(ha, flags);
1049 }
1050
1051 static void gdth_start_timeout(int hanum, int busnum, int id)
1052 {
1053 gdth_ha_str *ha;
1054 ulong flags;
1055 Scsi_Cmnd *scp;
1056
1057 ha = HADATA(gdth_ctr_tab[hanum]);
1058 GDTH_LOCK_HA(ha, flags);
1059
1060 for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) {
1061 #if LINUX_VERSION_CODE >= 0x020000
1062 if (scp->target == (unchar)id &&
1063 scp->channel == (unchar)busnum)
1064 #else
1065 if (scp->target == (unchar)id &&
1066 NUMDATA(scp->host)->busnum == (unchar)busnum)
1067 #endif
1068 {
1069 TRACE2(("gdth_start_timeout(): update_timeout()\n"));
1070 gdth_update_timeout(hanum, scp, scp->SCp.buffers_residual);
1071 }
1072 }
1073 GDTH_UNLOCK_HA(ha, flags);
1074 }
1075
1076 static int gdth_update_timeout(int hanum, Scsi_Cmnd *scp, int timeout)
1077 {
1078 int oldto;
1079
1080 oldto = scp->timeout_per_command;
1081 scp->timeout_per_command = timeout;
1082
1083 #if LINUX_VERSION_CODE >= 0x02014B
1084 if (timeout == 0) {
1085 del_timer(&scp->eh_timeout);
1086 scp->eh_timeout.data = (unsigned long) NULL;
1087 scp->eh_timeout.expires = 0;
1088 } else {
1089 if (scp->eh_timeout.data != (unsigned long) NULL)
1090 del_timer(&scp->eh_timeout);
1091 scp->eh_timeout.data = (unsigned long) scp;
1092 scp->eh_timeout.expires = jiffies + timeout;
1093 add_timer(&scp->eh_timeout);
1094 }
1095 #else
1096 if (timeout > 0) {
1097 if (timer_table[SCSI_TIMER].expires == 0) {
1098 timer_table[SCSI_TIMER].expires = jiffies + timeout;
1099 timer_active |= 1 << SCSI_TIMER;
1100 } else {
1101 if (jiffies + timeout < timer_table[SCSI_TIMER].expires)
1102 timer_table[SCSI_TIMER].expires = jiffies + timeout;
1103 }
1104 }
1105 #endif
1106
1107 return oldto;
1108 }
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