Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* gdth_proc.c |
2 | * $Id: gdth_proc.c,v 1.42 2004/03/05 15:50:20 achim Exp $ | |
3 | */ | |
4 | ||
5 | #include <linux/completion.h> | |
6 | ||
7 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
8 | int gdth_proc_info(struct Scsi_Host *host, char *buffer,char **start,off_t offset,int length, | |
9 | int inout) | |
10 | { | |
11 | int hanum,busnum; | |
12 | ||
13 | TRACE2(("gdth_proc_info() length %d offs %d inout %d\n", | |
14 | length,(int)offset,inout)); | |
15 | ||
16 | hanum = NUMDATA(host)->hanum; | |
17 | busnum= NUMDATA(host)->busnum; | |
18 | ||
19 | if (inout) | |
20 | return(gdth_set_info(buffer,length,host,hanum,busnum)); | |
21 | else | |
22 | return(gdth_get_info(buffer,start,offset,length,host,hanum,busnum)); | |
23 | } | |
24 | #else | |
25 | int gdth_proc_info(char *buffer,char **start,off_t offset,int length,int hostno, | |
26 | int inout) | |
27 | { | |
28 | int hanum,busnum,i; | |
29 | ||
30 | TRACE2(("gdth_proc_info() length %d offs %d inout %d\n", | |
31 | length,(int)offset,inout)); | |
32 | ||
33 | for (i = 0; i < gdth_ctr_vcount; ++i) { | |
34 | if (gdth_ctr_vtab[i]->host_no == hostno) | |
35 | break; | |
36 | } | |
37 | if (i == gdth_ctr_vcount) | |
38 | return(-EINVAL); | |
39 | ||
40 | hanum = NUMDATA(gdth_ctr_vtab[i])->hanum; | |
41 | busnum= NUMDATA(gdth_ctr_vtab[i])->busnum; | |
42 | ||
43 | if (inout) | |
44 | return(gdth_set_info(buffer,length,gdth_ctr_vtab[i],hanum,busnum)); | |
45 | else | |
46 | return(gdth_get_info(buffer,start,offset,length, | |
47 | gdth_ctr_vtab[i],hanum,busnum)); | |
48 | } | |
49 | #endif | |
50 | ||
51 | static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host, | |
52 | int hanum,int busnum) | |
53 | { | |
54 | int ret_val = -EINVAL; | |
55 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
56 | Scsi_Request *scp; | |
57 | Scsi_Device *sdev; | |
58 | #else | |
59 | Scsi_Cmnd *scp; | |
60 | Scsi_Device *sdev; | |
61 | #endif | |
62 | TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum)); | |
63 | ||
64 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
65 | sdev = scsi_get_host_dev(host); | |
66 | scp = scsi_allocate_request(sdev, GFP_KERNEL); | |
67 | if (!scp) | |
68 | return -ENOMEM; | |
69 | scp->sr_cmd_len = 12; | |
70 | scp->sr_use_sg = 0; | |
71 | #else | |
72 | sdev = scsi_get_host_dev(host); | |
73 | scp = scsi_allocate_device(sdev, 1, FALSE); | |
74 | if (!scp) | |
75 | return -ENOMEM; | |
76 | scp->cmd_len = 12; | |
77 | scp->use_sg = 0; | |
78 | #endif | |
79 | ||
80 | if (length >= 4) { | |
81 | if (strncmp(buffer,"gdth",4) == 0) { | |
82 | buffer += 5; | |
83 | length -= 5; | |
84 | ret_val = gdth_set_asc_info( buffer, length, hanum, scp ); | |
85 | } | |
86 | } | |
87 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
88 | scsi_release_request(scp); | |
89 | scsi_free_host_dev(sdev); | |
90 | #else | |
91 | scsi_release_command(scp); | |
92 | scsi_free_host_dev(sdev); | |
93 | #endif | |
94 | return ret_val; | |
95 | } | |
96 | ||
97 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
98 | static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Request *scp) | |
99 | #else | |
100 | static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp) | |
101 | #endif | |
102 | { | |
103 | int orig_length, drive, wb_mode; | |
104 | int i, found; | |
105 | gdth_ha_str *ha; | |
106 | gdth_cmd_str gdtcmd; | |
107 | gdth_cpar_str *pcpar; | |
108 | ulong64 paddr; | |
109 | ||
110 | char cmnd[MAX_COMMAND_SIZE]; | |
111 | memset(cmnd, 0xff, 12); | |
112 | memset(&gdtcmd, 0, sizeof(gdth_cmd_str)); | |
113 | ||
114 | TRACE2(("gdth_set_asc_info() ha %d\n",hanum)); | |
115 | ha = HADATA(gdth_ctr_tab[hanum]); | |
116 | orig_length = length + 5; | |
117 | drive = -1; | |
118 | wb_mode = 0; | |
119 | found = FALSE; | |
120 | ||
121 | if (length >= 5 && strncmp(buffer,"flush",5)==0) { | |
122 | buffer += 6; | |
123 | length -= 6; | |
124 | if (length && *buffer>='0' && *buffer<='9') { | |
125 | drive = (int)(*buffer-'0'); | |
126 | ++buffer; --length; | |
127 | if (length && *buffer>='0' && *buffer<='9') { | |
128 | drive = drive*10 + (int)(*buffer-'0'); | |
129 | ++buffer; --length; | |
130 | } | |
131 | printk("GDT: Flushing host drive %d .. ",drive); | |
132 | } else { | |
133 | printk("GDT: Flushing all host drives .. "); | |
134 | } | |
135 | for (i = 0; i < MAX_HDRIVES; ++i) { | |
136 | if (ha->hdr[i].present) { | |
137 | if (drive != -1 && i != drive) | |
138 | continue; | |
139 | found = TRUE; | |
140 | gdtcmd.Service = CACHESERVICE; | |
141 | gdtcmd.OpCode = GDT_FLUSH; | |
142 | if (ha->cache_feat & GDT_64BIT) { | |
143 | gdtcmd.u.cache64.DeviceNo = i; | |
144 | gdtcmd.u.cache64.BlockNo = 1; | |
145 | } else { | |
146 | gdtcmd.u.cache.DeviceNo = i; | |
147 | gdtcmd.u.cache.BlockNo = 1; | |
148 | } | |
149 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
150 | gdth_do_req(scp, &gdtcmd, cmnd, 30); | |
151 | #else | |
152 | gdth_do_cmd(scp, &gdtcmd, cmnd, 30); | |
153 | #endif | |
154 | } | |
155 | } | |
156 | if (!found) | |
157 | printk("\nNo host drive found !\n"); | |
158 | else | |
159 | printk("Done.\n"); | |
160 | return(orig_length); | |
161 | } | |
162 | ||
163 | if (length >= 7 && strncmp(buffer,"wbp_off",7)==0) { | |
164 | buffer += 8; | |
165 | length -= 8; | |
166 | printk("GDT: Disabling write back permanently .. "); | |
167 | wb_mode = 1; | |
168 | } else if (length >= 6 && strncmp(buffer,"wbp_on",6)==0) { | |
169 | buffer += 7; | |
170 | length -= 7; | |
171 | printk("GDT: Enabling write back permanently .. "); | |
172 | wb_mode = 2; | |
173 | } else if (length >= 6 && strncmp(buffer,"wb_off",6)==0) { | |
174 | buffer += 7; | |
175 | length -= 7; | |
176 | printk("GDT: Disabling write back commands .. "); | |
177 | if (ha->cache_feat & GDT_WR_THROUGH) { | |
178 | gdth_write_through = TRUE; | |
179 | printk("Done.\n"); | |
180 | } else { | |
181 | printk("Not supported !\n"); | |
182 | } | |
183 | return(orig_length); | |
184 | } else if (length >= 5 && strncmp(buffer,"wb_on",5)==0) { | |
185 | buffer += 6; | |
186 | length -= 6; | |
187 | printk("GDT: Enabling write back commands .. "); | |
188 | gdth_write_through = FALSE; | |
189 | printk("Done.\n"); | |
190 | return(orig_length); | |
191 | } | |
192 | ||
193 | if (wb_mode) { | |
194 | if (!gdth_ioctl_alloc(hanum, sizeof(gdth_cpar_str), TRUE, &paddr)) | |
195 | return(-EBUSY); | |
196 | pcpar = (gdth_cpar_str *)ha->pscratch; | |
197 | memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) ); | |
198 | gdtcmd.Service = CACHESERVICE; | |
199 | gdtcmd.OpCode = GDT_IOCTL; | |
200 | gdtcmd.u.ioctl.p_param = paddr; | |
201 | gdtcmd.u.ioctl.param_size = sizeof(gdth_cpar_str); | |
202 | gdtcmd.u.ioctl.subfunc = CACHE_CONFIG; | |
203 | gdtcmd.u.ioctl.channel = INVALID_CHANNEL; | |
204 | pcpar->write_back = wb_mode==1 ? 0:1; | |
205 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
206 | gdth_do_req(scp, &gdtcmd, cmnd, 30); | |
207 | #else | |
208 | gdth_do_cmd(scp, &gdtcmd, cmnd, 30); | |
209 | #endif | |
210 | gdth_ioctl_free(hanum, GDTH_SCRATCH, ha->pscratch, paddr); | |
211 | printk("Done.\n"); | |
212 | return(orig_length); | |
213 | } | |
214 | ||
215 | printk("GDT: Unknown command: %s Length: %d\n",buffer,length); | |
216 | return(-EINVAL); | |
217 | } | |
218 | ||
219 | static int gdth_get_info(char *buffer,char **start,off_t offset,int length, | |
220 | struct Scsi_Host *host,int hanum,int busnum) | |
221 | { | |
222 | int size = 0,len = 0; | |
223 | off_t begin = 0,pos = 0; | |
224 | gdth_ha_str *ha; | |
225 | int id, i, j, k, sec, flag; | |
226 | int no_mdrv = 0, drv_no, is_mirr; | |
227 | ulong32 cnt; | |
228 | ulong64 paddr; | |
229 | int rc = -ENOMEM; | |
230 | ||
231 | gdth_cmd_str *gdtcmd; | |
232 | gdth_evt_str *estr; | |
233 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
234 | Scsi_Request *scp; | |
235 | Scsi_Device *sdev; | |
236 | #else | |
237 | Scsi_Cmnd *scp; | |
238 | Scsi_Device *sdev; | |
239 | #endif | |
240 | char hrec[161]; | |
241 | struct timeval tv; | |
242 | ||
243 | char *buf; | |
244 | gdth_dskstat_str *pds; | |
245 | gdth_diskinfo_str *pdi; | |
246 | gdth_arrayinf_str *pai; | |
247 | gdth_defcnt_str *pdef; | |
248 | gdth_cdrinfo_str *pcdi; | |
249 | gdth_hget_str *phg; | |
250 | char cmnd[MAX_COMMAND_SIZE]; | |
251 | ||
252 | gdtcmd = kmalloc(sizeof(*gdtcmd), GFP_KERNEL); | |
253 | estr = kmalloc(sizeof(*estr), GFP_KERNEL); | |
254 | if (!gdtcmd || !estr) | |
255 | goto free_fail; | |
256 | ||
257 | memset(cmnd, 0xff, 12); | |
258 | memset(gdtcmd, 0, sizeof(gdth_cmd_str)); | |
259 | ||
260 | TRACE2(("gdth_get_info() ha %d bus %d\n",hanum,busnum)); | |
261 | ha = HADATA(gdth_ctr_tab[hanum]); | |
262 | ||
263 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
264 | sdev = scsi_get_host_dev(host); | |
265 | scp = scsi_allocate_request(sdev, GFP_KERNEL); | |
266 | if (!scp) | |
267 | goto free_fail; | |
268 | scp->sr_cmd_len = 12; | |
269 | scp->sr_use_sg = 0; | |
270 | #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) | |
271 | sdev = scsi_get_host_dev(host); | |
272 | scp = scsi_allocate_device(sdev, 1, FALSE); | |
273 | if (!scp) | |
274 | goto free_fail; | |
275 | scp->cmd_len = 12; | |
276 | scp->use_sg = 0; | |
277 | #else | |
278 | memset(&sdev,0,sizeof(Scsi_Device)); | |
279 | memset(&scp, 0,sizeof(Scsi_Cmnd)); | |
280 | sdev.host = scp.host = host; | |
281 | sdev.id = scp.target = sdev.host->this_id; | |
282 | scp.device = &sdev; | |
283 | #endif | |
284 | ||
285 | ||
286 | /* request is i.e. "cat /proc/scsi/gdth/0" */ | |
287 | /* format: %-15s\t%-10s\t%-15s\t%s */ | |
288 | /* driver parameters */ | |
289 | size = sprintf(buffer+len,"Driver Parameters:\n"); | |
290 | len += size; pos = begin + len; | |
291 | if (reserve_list[0] == 0xff) | |
292 | strcpy(hrec, "--"); | |
293 | else { | |
294 | sprintf(hrec, "%d", reserve_list[0]); | |
295 | for (i = 1; i < MAX_RES_ARGS; i++) { | |
296 | if (reserve_list[i] == 0xff) | |
297 | break; | |
298 | sprintf(hrec,"%s,%d", hrec, reserve_list[i]); | |
299 | } | |
300 | } | |
301 | size = sprintf(buffer+len, | |
302 | " reserve_mode: \t%d \treserve_list: \t%s\n", | |
303 | reserve_mode, hrec); | |
304 | len += size; pos = begin + len; | |
305 | size = sprintf(buffer+len, | |
306 | " max_ids: \t%-3d \thdr_channel: \t%d\n", | |
307 | max_ids, hdr_channel); | |
308 | len += size; pos = begin + len; | |
309 | ||
310 | /* controller information */ | |
311 | size = sprintf(buffer+len,"\nDisk Array Controller Information:\n"); | |
312 | len += size; pos = begin + len; | |
313 | if (virt_ctr) | |
314 | sprintf(hrec, "%s (Bus %d)", ha->binfo.type_string, busnum); | |
315 | else | |
316 | strcpy(hrec, ha->binfo.type_string); | |
317 | size = sprintf(buffer+len, | |
318 | " Number: \t%d \tName: \t%s\n", | |
319 | hanum, hrec); | |
320 | len += size; pos = begin + len; | |
321 | ||
322 | if (ha->more_proc) | |
323 | sprintf(hrec, "%d.%02d.%02d-%c%03X", | |
324 | (unchar)(ha->binfo.upd_fw_ver>>24), | |
325 | (unchar)(ha->binfo.upd_fw_ver>>16), | |
326 | (unchar)(ha->binfo.upd_fw_ver), | |
327 | ha->bfeat.raid ? 'R':'N', | |
328 | ha->binfo.upd_revision); | |
329 | else | |
330 | sprintf(hrec, "%d.%02d", (unchar)(ha->cpar.version>>8), | |
331 | (unchar)(ha->cpar.version)); | |
332 | ||
333 | size = sprintf(buffer+len, | |
334 | " Driver Ver.: \t%-10s\tFirmware Ver.: \t%s\n", | |
335 | GDTH_VERSION_STR, hrec); | |
336 | len += size; pos = begin + len; | |
337 | ||
338 | if (ha->more_proc) { | |
339 | /* more information: 1. about controller */ | |
340 | size = sprintf(buffer+len, | |
341 | " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n", | |
342 | ha->binfo.ser_no, ha->binfo.memsize / 1024); | |
343 | len += size; pos = begin + len; | |
344 | } | |
345 | ||
346 | #ifdef GDTH_DMA_STATISTICS | |
347 | /* controller statistics */ | |
348 | size = sprintf(buffer+len,"\nController Statistics:\n"); | |
349 | len += size; pos = begin + len; | |
350 | size = sprintf(buffer+len, | |
351 | " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n", | |
352 | ha->dma32_cnt, ha->dma64_cnt); | |
353 | len += size; pos = begin + len; | |
354 | #endif | |
355 | ||
356 | if (pos < offset) { | |
357 | len = 0; | |
358 | begin = pos; | |
359 | } | |
360 | if (pos > offset + length) | |
361 | goto stop_output; | |
362 | ||
363 | if (ha->more_proc) { | |
364 | /* more information: 2. about physical devices */ | |
365 | size = sprintf(buffer+len,"\nPhysical Devices:"); | |
366 | len += size; pos = begin + len; | |
367 | flag = FALSE; | |
368 | ||
369 | buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); | |
370 | if (!buf) | |
371 | goto stop_output; | |
372 | for (i = 0; i < ha->bus_cnt; ++i) { | |
373 | /* 2.a statistics (and retries/reassigns) */ | |
374 | TRACE2(("pdr_statistics() chn %d\n",i)); | |
375 | pds = (gdth_dskstat_str *)(buf + GDTH_SCRATCH/4); | |
376 | gdtcmd->Service = CACHESERVICE; | |
377 | gdtcmd->OpCode = GDT_IOCTL; | |
378 | gdtcmd->u.ioctl.p_param = paddr + GDTH_SCRATCH/4; | |
379 | gdtcmd->u.ioctl.param_size = 3*GDTH_SCRATCH/4; | |
380 | gdtcmd->u.ioctl.subfunc = DSK_STATISTICS | L_CTRL_PATTERN; | |
381 | gdtcmd->u.ioctl.channel = ha->raw[i].address | INVALID_CHANNEL; | |
382 | pds->bid = ha->raw[i].local_no; | |
383 | pds->first = 0; | |
384 | pds->entries = ha->raw[i].pdev_cnt; | |
385 | cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(ulong32)) / | |
386 | sizeof(pds->list[0]); | |
387 | if (pds->entries > cnt) | |
388 | pds->entries = cnt; | |
389 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
390 | gdth_do_req(scp, gdtcmd, cmnd, 30); | |
391 | if (scp->sr_command->SCp.Status != S_OK) | |
392 | #else | |
393 | gdth_do_cmd(scp, gdtcmd, cmnd, 30); | |
394 | if (scp->SCp.Status != S_OK) | |
395 | #endif | |
396 | { | |
397 | pds->count = 0; | |
398 | } | |
399 | ||
400 | /* other IOCTLs must fit into area GDTH_SCRATCH/4 */ | |
401 | for (j = 0; j < ha->raw[i].pdev_cnt; ++j) { | |
402 | /* 2.b drive info */ | |
403 | TRACE2(("scsi_drv_info() chn %d dev %d\n", | |
404 | i, ha->raw[i].id_list[j])); | |
405 | pdi = (gdth_diskinfo_str *)buf; | |
406 | gdtcmd->Service = CACHESERVICE; | |
407 | gdtcmd->OpCode = GDT_IOCTL; | |
408 | gdtcmd->u.ioctl.p_param = paddr; | |
409 | gdtcmd->u.ioctl.param_size = sizeof(gdth_diskinfo_str); | |
410 | gdtcmd->u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN; | |
411 | gdtcmd->u.ioctl.channel = | |
412 | ha->raw[i].address | ha->raw[i].id_list[j]; | |
413 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
414 | gdth_do_req(scp, gdtcmd, cmnd, 30); | |
415 | if (scp->sr_command->SCp.Status == S_OK) | |
416 | #else | |
417 | gdth_do_cmd(scp, gdtcmd, cmnd, 30); | |
418 | if (scp->SCp.Status == S_OK) | |
419 | #endif | |
420 | { | |
421 | strncpy(hrec,pdi->vendor,8); | |
422 | strncpy(hrec+8,pdi->product,16); | |
423 | strncpy(hrec+24,pdi->revision,4); | |
424 | hrec[28] = 0; | |
425 | size = sprintf(buffer+len, | |
426 | "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n", | |
427 | 'A'+i,pdi->target_id,pdi->lun,hrec); | |
428 | len += size; pos = begin + len; | |
429 | flag = TRUE; | |
430 | pdi->no_ldrive &= 0xffff; | |
431 | if (pdi->no_ldrive == 0xffff) | |
432 | strcpy(hrec,"--"); | |
433 | else | |
434 | sprintf(hrec,"%d",pdi->no_ldrive); | |
435 | size = sprintf(buffer+len, | |
436 | " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n", | |
437 | pdi->blkcnt/(1024*1024/pdi->blksize), | |
438 | hrec); | |
439 | len += size; pos = begin + len; | |
440 | } else { | |
441 | pdi->devtype = 0xff; | |
442 | } | |
443 | ||
444 | if (pdi->devtype == 0) { | |
445 | /* search retries/reassigns */ | |
446 | for (k = 0; k < pds->count; ++k) { | |
447 | if (pds->list[k].tid == pdi->target_id && | |
448 | pds->list[k].lun == pdi->lun) { | |
449 | size = sprintf(buffer+len, | |
450 | " Retries: \t%-6d \tReassigns: \t%d\n", | |
451 | pds->list[k].retries, | |
452 | pds->list[k].reassigns); | |
453 | len += size; pos = begin + len; | |
454 | break; | |
455 | } | |
456 | } | |
457 | /* 2.c grown defects */ | |
458 | TRACE2(("scsi_drv_defcnt() chn %d dev %d\n", | |
459 | i, ha->raw[i].id_list[j])); | |
460 | pdef = (gdth_defcnt_str *)buf; | |
461 | gdtcmd->Service = CACHESERVICE; | |
462 | gdtcmd->OpCode = GDT_IOCTL; | |
463 | gdtcmd->u.ioctl.p_param = paddr; | |
464 | gdtcmd->u.ioctl.param_size = sizeof(gdth_defcnt_str); | |
465 | gdtcmd->u.ioctl.subfunc = SCSI_DEF_CNT | L_CTRL_PATTERN; | |
466 | gdtcmd->u.ioctl.channel = | |
467 | ha->raw[i].address | ha->raw[i].id_list[j]; | |
468 | pdef->sddc_type = 0x08; | |
469 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
470 | gdth_do_req(scp, gdtcmd, cmnd, 30); | |
471 | if (scp->sr_command->SCp.Status == S_OK) | |
472 | #else | |
473 | gdth_do_cmd(scp, gdtcmd, cmnd, 30); | |
474 | if (scp->SCp.Status == S_OK) | |
475 | #endif | |
476 | { | |
477 | size = sprintf(buffer+len, | |
478 | " Grown Defects:\t%d\n", | |
479 | pdef->sddc_cnt); | |
480 | len += size; pos = begin + len; | |
481 | } | |
482 | } | |
483 | if (pos < offset) { | |
484 | len = 0; | |
485 | begin = pos; | |
486 | } | |
487 | if (pos > offset + length) | |
488 | goto stop_output; | |
489 | } | |
490 | } | |
491 | gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr); | |
492 | ||
493 | if (!flag) { | |
494 | size = sprintf(buffer+len, "\n --\n"); | |
495 | len += size; pos = begin + len; | |
496 | } | |
497 | ||
498 | /* 3. about logical drives */ | |
499 | size = sprintf(buffer+len,"\nLogical Drives:"); | |
500 | len += size; pos = begin + len; | |
501 | flag = FALSE; | |
502 | ||
503 | buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); | |
504 | if (!buf) | |
505 | goto stop_output; | |
506 | for (i = 0; i < MAX_LDRIVES; ++i) { | |
507 | if (!ha->hdr[i].is_logdrv) | |
508 | continue; | |
509 | drv_no = i; | |
510 | j = k = 0; | |
511 | is_mirr = FALSE; | |
512 | do { | |
513 | /* 3.a log. drive info */ | |
514 | TRACE2(("cache_drv_info() drive no %d\n",drv_no)); | |
515 | pcdi = (gdth_cdrinfo_str *)buf; | |
516 | gdtcmd->Service = CACHESERVICE; | |
517 | gdtcmd->OpCode = GDT_IOCTL; | |
518 | gdtcmd->u.ioctl.p_param = paddr; | |
519 | gdtcmd->u.ioctl.param_size = sizeof(gdth_cdrinfo_str); | |
520 | gdtcmd->u.ioctl.subfunc = CACHE_DRV_INFO; | |
521 | gdtcmd->u.ioctl.channel = drv_no; | |
522 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
523 | gdth_do_req(scp, gdtcmd, cmnd, 30); | |
524 | if (scp->sr_command->SCp.Status != S_OK) | |
525 | #else | |
526 | gdth_do_cmd(scp, gdtcmd, cmnd, 30); | |
527 | if (scp->SCp.Status != S_OK) | |
528 | #endif | |
529 | { | |
530 | break; | |
531 | } | |
532 | pcdi->ld_dtype >>= 16; | |
533 | j++; | |
534 | if (pcdi->ld_dtype > 2) { | |
535 | strcpy(hrec, "missing"); | |
536 | } else if (pcdi->ld_error & 1) { | |
537 | strcpy(hrec, "fault"); | |
538 | } else if (pcdi->ld_error & 2) { | |
539 | strcpy(hrec, "invalid"); | |
540 | k++; j--; | |
541 | } else { | |
542 | strcpy(hrec, "ok"); | |
543 | } | |
544 | ||
545 | if (drv_no == i) { | |
546 | size = sprintf(buffer+len, | |
547 | "\n Number: \t%-2d \tStatus: \t%s\n", | |
548 | drv_no, hrec); | |
549 | len += size; pos = begin + len; | |
550 | flag = TRUE; | |
551 | no_mdrv = pcdi->cd_ldcnt; | |
552 | if (no_mdrv > 1 || pcdi->ld_slave != -1) { | |
553 | is_mirr = TRUE; | |
554 | strcpy(hrec, "RAID-1"); | |
555 | } else if (pcdi->ld_dtype == 0) { | |
556 | strcpy(hrec, "Disk"); | |
557 | } else if (pcdi->ld_dtype == 1) { | |
558 | strcpy(hrec, "RAID-0"); | |
559 | } else if (pcdi->ld_dtype == 2) { | |
560 | strcpy(hrec, "Chain"); | |
561 | } else { | |
562 | strcpy(hrec, "???"); | |
563 | } | |
564 | size = sprintf(buffer+len, | |
565 | " Capacity [MB]:\t%-6d \tType: \t%s\n", | |
566 | pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize), | |
567 | hrec); | |
568 | len += size; pos = begin + len; | |
569 | } else { | |
570 | size = sprintf(buffer+len, | |
571 | " Slave Number: \t%-2d \tStatus: \t%s\n", | |
572 | drv_no & 0x7fff, hrec); | |
573 | len += size; pos = begin + len; | |
574 | } | |
575 | drv_no = pcdi->ld_slave; | |
576 | if (pos < offset) { | |
577 | len = 0; | |
578 | begin = pos; | |
579 | } | |
580 | if (pos > offset + length) | |
581 | goto stop_output; | |
582 | } while (drv_no != -1); | |
583 | ||
584 | if (is_mirr) { | |
585 | size = sprintf(buffer+len, | |
586 | " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n", | |
587 | no_mdrv - j - k, k); | |
588 | len += size; pos = begin + len; | |
589 | } | |
590 | ||
591 | if (!ha->hdr[i].is_arraydrv) | |
592 | strcpy(hrec, "--"); | |
593 | else | |
594 | sprintf(hrec, "%d", ha->hdr[i].master_no); | |
595 | size = sprintf(buffer+len, | |
596 | " To Array Drv.:\t%s\n", hrec); | |
597 | len += size; pos = begin + len; | |
598 | if (pos < offset) { | |
599 | len = 0; | |
600 | begin = pos; | |
601 | } | |
602 | if (pos > offset + length) | |
603 | goto stop_output; | |
604 | } | |
605 | gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr); | |
606 | ||
607 | if (!flag) { | |
608 | size = sprintf(buffer+len, "\n --\n"); | |
609 | len += size; pos = begin + len; | |
610 | } | |
611 | ||
612 | /* 4. about array drives */ | |
613 | size = sprintf(buffer+len,"\nArray Drives:"); | |
614 | len += size; pos = begin + len; | |
615 | flag = FALSE; | |
616 | ||
617 | buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); | |
618 | if (!buf) | |
619 | goto stop_output; | |
620 | for (i = 0; i < MAX_LDRIVES; ++i) { | |
621 | if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master)) | |
622 | continue; | |
623 | /* 4.a array drive info */ | |
624 | TRACE2(("array_info() drive no %d\n",i)); | |
625 | pai = (gdth_arrayinf_str *)buf; | |
626 | gdtcmd->Service = CACHESERVICE; | |
627 | gdtcmd->OpCode = GDT_IOCTL; | |
628 | gdtcmd->u.ioctl.p_param = paddr; | |
629 | gdtcmd->u.ioctl.param_size = sizeof(gdth_arrayinf_str); | |
630 | gdtcmd->u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN; | |
631 | gdtcmd->u.ioctl.channel = i; | |
632 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
633 | gdth_do_req(scp, gdtcmd, cmnd, 30); | |
634 | if (scp->sr_command->SCp.Status == S_OK) | |
635 | #else | |
636 | gdth_do_cmd(scp, gdtcmd, cmnd, 30); | |
637 | if (scp->SCp.Status == S_OK) | |
638 | #endif | |
639 | { | |
640 | if (pai->ai_state == 0) | |
641 | strcpy(hrec, "idle"); | |
642 | else if (pai->ai_state == 2) | |
643 | strcpy(hrec, "build"); | |
644 | else if (pai->ai_state == 4) | |
645 | strcpy(hrec, "ready"); | |
646 | else if (pai->ai_state == 6) | |
647 | strcpy(hrec, "fail"); | |
648 | else if (pai->ai_state == 8 || pai->ai_state == 10) | |
649 | strcpy(hrec, "rebuild"); | |
650 | else | |
651 | strcpy(hrec, "error"); | |
652 | if (pai->ai_ext_state & 0x10) | |
653 | strcat(hrec, "/expand"); | |
654 | else if (pai->ai_ext_state & 0x1) | |
655 | strcat(hrec, "/patch"); | |
656 | size = sprintf(buffer+len, | |
657 | "\n Number: \t%-2d \tStatus: \t%s\n", | |
658 | i,hrec); | |
659 | len += size; pos = begin + len; | |
660 | flag = TRUE; | |
661 | ||
662 | if (pai->ai_type == 0) | |
663 | strcpy(hrec, "RAID-0"); | |
664 | else if (pai->ai_type == 4) | |
665 | strcpy(hrec, "RAID-4"); | |
666 | else if (pai->ai_type == 5) | |
667 | strcpy(hrec, "RAID-5"); | |
668 | else | |
669 | strcpy(hrec, "RAID-10"); | |
670 | size = sprintf(buffer+len, | |
671 | " Capacity [MB]:\t%-6d \tType: \t%s\n", | |
672 | pai->ai_size/(1024*1024/pai->ai_secsize), | |
673 | hrec); | |
674 | len += size; pos = begin + len; | |
675 | if (pos < offset) { | |
676 | len = 0; | |
677 | begin = pos; | |
678 | } | |
679 | if (pos > offset + length) | |
680 | goto stop_output; | |
681 | } | |
682 | } | |
683 | gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr); | |
684 | ||
685 | if (!flag) { | |
686 | size = sprintf(buffer+len, "\n --\n"); | |
687 | len += size; pos = begin + len; | |
688 | } | |
689 | ||
690 | /* 5. about host drives */ | |
691 | size = sprintf(buffer+len,"\nHost Drives:"); | |
692 | len += size; pos = begin + len; | |
693 | flag = FALSE; | |
694 | ||
695 | buf = gdth_ioctl_alloc(hanum, sizeof(gdth_hget_str), FALSE, &paddr); | |
696 | if (!buf) | |
697 | goto stop_output; | |
698 | for (i = 0; i < MAX_LDRIVES; ++i) { | |
699 | if (!ha->hdr[i].is_logdrv || | |
700 | (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master)) | |
701 | continue; | |
702 | /* 5.a get host drive list */ | |
703 | TRACE2(("host_get() drv_no %d\n",i)); | |
704 | phg = (gdth_hget_str *)buf; | |
705 | gdtcmd->Service = CACHESERVICE; | |
706 | gdtcmd->OpCode = GDT_IOCTL; | |
707 | gdtcmd->u.ioctl.p_param = paddr; | |
708 | gdtcmd->u.ioctl.param_size = sizeof(gdth_hget_str); | |
709 | gdtcmd->u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN; | |
710 | gdtcmd->u.ioctl.channel = i; | |
711 | phg->entries = MAX_HDRIVES; | |
712 | phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]); | |
713 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
714 | gdth_do_req(scp, gdtcmd, cmnd, 30); | |
715 | if (scp->sr_command->SCp.Status != S_OK) | |
716 | #else | |
717 | gdth_do_cmd(scp, gdtcmd, cmnd, 30); | |
718 | if (scp->SCp.Status != S_OK) | |
719 | #endif | |
720 | { | |
721 | ha->hdr[i].ldr_no = i; | |
722 | ha->hdr[i].rw_attribs = 0; | |
723 | ha->hdr[i].start_sec = 0; | |
724 | } else { | |
725 | for (j = 0; j < phg->entries; ++j) { | |
726 | k = phg->entry[j].host_drive; | |
727 | if (k >= MAX_LDRIVES) | |
728 | continue; | |
729 | ha->hdr[k].ldr_no = phg->entry[j].log_drive; | |
730 | ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs; | |
731 | ha->hdr[k].start_sec = phg->entry[j].start_sec; | |
732 | } | |
733 | } | |
734 | } | |
735 | gdth_ioctl_free(hanum, sizeof(gdth_hget_str), buf, paddr); | |
736 | ||
737 | for (i = 0; i < MAX_HDRIVES; ++i) { | |
738 | if (!(ha->hdr[i].present)) | |
739 | continue; | |
740 | ||
741 | size = sprintf(buffer+len, | |
742 | "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n", | |
743 | i, ha->hdr[i].ldr_no); | |
744 | len += size; pos = begin + len; | |
745 | flag = TRUE; | |
746 | ||
747 | size = sprintf(buffer+len, | |
748 | " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n", | |
749 | (ulong32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec); | |
750 | len += size; pos = begin + len; | |
751 | if (pos < offset) { | |
752 | len = 0; | |
753 | begin = pos; | |
754 | } | |
755 | if (pos > offset + length) | |
756 | goto stop_output; | |
757 | } | |
758 | ||
759 | if (!flag) { | |
760 | size = sprintf(buffer+len, "\n --\n"); | |
761 | len += size; pos = begin + len; | |
762 | } | |
763 | } | |
764 | ||
765 | /* controller events */ | |
766 | size = sprintf(buffer+len,"\nController Events:\n"); | |
767 | len += size; pos = begin + len; | |
768 | ||
769 | for (id = -1;;) { | |
770 | id = gdth_read_event(ha, id, estr); | |
771 | if (estr->event_source == 0) | |
772 | break; | |
773 | if (estr->event_data.eu.driver.ionode == hanum && | |
774 | estr->event_source == ES_ASYNC) { | |
775 | gdth_log_event(&estr->event_data, hrec); | |
776 | do_gettimeofday(&tv); | |
777 | sec = (int)(tv.tv_sec - estr->first_stamp); | |
778 | if (sec < 0) sec = 0; | |
779 | size = sprintf(buffer+len," date- %02d:%02d:%02d\t%s\n", | |
780 | sec/3600, sec%3600/60, sec%60, hrec); | |
781 | len += size; pos = begin + len; | |
782 | if (pos < offset) { | |
783 | len = 0; | |
784 | begin = pos; | |
785 | } | |
786 | if (pos > offset + length) | |
787 | goto stop_output; | |
788 | } | |
789 | if (id == -1) | |
790 | break; | |
791 | } | |
792 | ||
793 | stop_output: | |
794 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
795 | scsi_release_request(scp); | |
796 | scsi_free_host_dev(sdev); | |
797 | #else | |
798 | scsi_release_command(scp); | |
799 | scsi_free_host_dev(sdev); | |
800 | #endif | |
801 | *start = buffer +(offset-begin); | |
802 | len -= (offset-begin); | |
803 | if (len > length) | |
804 | len = length; | |
805 | TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %d\n", | |
806 | len,(int)pos,(int)begin,(int)offset,length,size)); | |
807 | rc = len; | |
808 | ||
809 | free_fail: | |
810 | kfree(gdtcmd); | |
811 | kfree(estr); | |
812 | return rc; | |
813 | } | |
814 | ||
815 | ||
816 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
817 | static void gdth_do_req(Scsi_Request *scp, gdth_cmd_str *gdtcmd, | |
818 | char *cmnd, int timeout) | |
819 | { | |
820 | unsigned bufflen; | |
821 | DECLARE_COMPLETION(wait); | |
822 | ||
823 | TRACE2(("gdth_do_req()\n")); | |
824 | if (gdtcmd != NULL) { | |
825 | bufflen = sizeof(gdth_cmd_str); | |
826 | } else { | |
827 | bufflen = 0; | |
828 | } | |
829 | scp->sr_request->rq_status = RQ_SCSI_BUSY; | |
830 | scp->sr_request->waiting = &wait; | |
831 | scsi_do_req(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1); | |
832 | wait_for_completion(&wait); | |
833 | } | |
834 | ||
835 | #else | |
836 | static void gdth_do_cmd(Scsi_Cmnd *scp, gdth_cmd_str *gdtcmd, | |
837 | char *cmnd, int timeout) | |
838 | { | |
839 | unsigned bufflen; | |
840 | DECLARE_COMPLETION(wait); | |
841 | ||
842 | TRACE2(("gdth_do_cmd()\n")); | |
843 | if (gdtcmd != NULL) { | |
844 | scp->SCp.this_residual = IOCTL_PRI; | |
845 | bufflen = sizeof(gdth_cmd_str); | |
846 | } else { | |
847 | scp->SCp.this_residual = DEFAULT_PRI; | |
848 | bufflen = 0; | |
849 | } | |
850 | ||
851 | scp->request.rq_status = RQ_SCSI_BUSY; | |
852 | scp->request.waiting = &wait; | |
853 | scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1); | |
854 | wait_for_completion(&wait); | |
855 | } | |
856 | #endif | |
857 | ||
858 | void gdth_scsi_done(Scsi_Cmnd *scp) | |
859 | { | |
860 | TRACE2(("gdth_scsi_done()\n")); | |
861 | ||
862 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) | |
863 | scp->request->rq_status = RQ_SCSI_DONE; | |
864 | if (scp->request->waiting != NULL) | |
865 | complete(scp->request->waiting); | |
866 | #else | |
867 | scp->request.rq_status = RQ_SCSI_DONE; | |
868 | if (scp->request.waiting != NULL) | |
869 | complete(scp->request.waiting); | |
870 | #endif | |
871 | } | |
872 | ||
873 | static char *gdth_ioctl_alloc(int hanum, int size, int scratch, | |
874 | ulong64 *paddr) | |
875 | { | |
876 | gdth_ha_str *ha; | |
877 | ulong flags; | |
878 | char *ret_val; | |
879 | ||
880 | if (size == 0) | |
881 | return NULL; | |
882 | ||
883 | ha = HADATA(gdth_ctr_tab[hanum]); | |
884 | spin_lock_irqsave(&ha->smp_lock, flags); | |
885 | ||
886 | if (!ha->scratch_busy && size <= GDTH_SCRATCH) { | |
887 | ha->scratch_busy = TRUE; | |
888 | ret_val = ha->pscratch; | |
889 | *paddr = ha->scratch_phys; | |
890 | } else if (scratch) { | |
891 | ret_val = NULL; | |
892 | } else { | |
893 | dma_addr_t dma_addr; | |
894 | ||
895 | ret_val = pci_alloc_consistent(ha->pdev, size, &dma_addr); | |
896 | *paddr = dma_addr; | |
897 | } | |
898 | ||
899 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
900 | return ret_val; | |
901 | } | |
902 | ||
903 | static void gdth_ioctl_free(int hanum, int size, char *buf, ulong64 paddr) | |
904 | { | |
905 | gdth_ha_str *ha; | |
906 | ulong flags; | |
907 | ||
908 | ha = HADATA(gdth_ctr_tab[hanum]); | |
909 | spin_lock_irqsave(&ha->smp_lock, flags); | |
910 | ||
911 | if (buf == ha->pscratch) { | |
912 | ha->scratch_busy = FALSE; | |
913 | } else { | |
914 | pci_free_consistent(ha->pdev, size, buf, paddr); | |
915 | } | |
916 | ||
917 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
918 | } | |
919 | ||
920 | #ifdef GDTH_IOCTL_PROC | |
921 | static int gdth_ioctl_check_bin(int hanum, ushort size) | |
922 | { | |
923 | gdth_ha_str *ha; | |
924 | ulong flags; | |
925 | int ret_val; | |
926 | ||
927 | ha = HADATA(gdth_ctr_tab[hanum]); | |
928 | spin_lock_irqsave(&ha->smp_lock, flags); | |
929 | ||
930 | ret_val = FALSE; | |
931 | if (ha->scratch_busy) { | |
932 | if (((gdth_iord_str *)ha->pscratch)->size == (ulong32)size) | |
933 | ret_val = TRUE; | |
934 | } | |
935 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
936 | return ret_val; | |
937 | } | |
938 | #endif | |
939 | ||
940 | static void gdth_wait_completion(int hanum, int busnum, int id) | |
941 | { | |
942 | gdth_ha_str *ha; | |
943 | ulong flags; | |
944 | int i; | |
945 | Scsi_Cmnd *scp; | |
946 | unchar b, t; | |
947 | ||
948 | ha = HADATA(gdth_ctr_tab[hanum]); | |
949 | spin_lock_irqsave(&ha->smp_lock, flags); | |
950 | ||
951 | for (i = 0; i < GDTH_MAXCMDS; ++i) { | |
952 | scp = ha->cmd_tab[i].cmnd; | |
953 | ||
954 | b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; | |
955 | t = scp->device->id; | |
956 | if (!SPECIAL_SCP(scp) && t == (unchar)id && | |
957 | b == (unchar)busnum) { | |
958 | scp->SCp.have_data_in = 0; | |
959 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
960 | while (!scp->SCp.have_data_in) | |
961 | barrier(); | |
962 | spin_lock_irqsave(&ha->smp_lock, flags); | |
963 | } | |
964 | } | |
965 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
966 | } | |
967 | ||
968 | static void gdth_stop_timeout(int hanum, int busnum, int id) | |
969 | { | |
970 | gdth_ha_str *ha; | |
971 | ulong flags; | |
972 | Scsi_Cmnd *scp; | |
973 | unchar b, t; | |
974 | ||
975 | ha = HADATA(gdth_ctr_tab[hanum]); | |
976 | spin_lock_irqsave(&ha->smp_lock, flags); | |
977 | ||
978 | for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) { | |
979 | b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; | |
980 | t = scp->device->id; | |
981 | if (t == (unchar)id && b == (unchar)busnum) { | |
982 | TRACE2(("gdth_stop_timeout(): update_timeout()\n")); | |
983 | scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0); | |
984 | } | |
985 | } | |
986 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
987 | } | |
988 | ||
989 | static void gdth_start_timeout(int hanum, int busnum, int id) | |
990 | { | |
991 | gdth_ha_str *ha; | |
992 | ulong flags; | |
993 | Scsi_Cmnd *scp; | |
994 | unchar b, t; | |
995 | ||
996 | ha = HADATA(gdth_ctr_tab[hanum]); | |
997 | spin_lock_irqsave(&ha->smp_lock, flags); | |
998 | ||
999 | for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) { | |
1000 | b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; | |
1001 | t = scp->device->id; | |
1002 | if (t == (unchar)id && b == (unchar)busnum) { | |
1003 | TRACE2(("gdth_start_timeout(): update_timeout()\n")); | |
1004 | gdth_update_timeout(hanum, scp, scp->SCp.buffers_residual); | |
1005 | } | |
1006 | } | |
1007 | spin_unlock_irqrestore(&ha->smp_lock, flags); | |
1008 | } | |
1009 | ||
1010 | static int gdth_update_timeout(int hanum, Scsi_Cmnd *scp, int timeout) | |
1011 | { | |
1012 | int oldto; | |
1013 | ||
1014 | oldto = scp->timeout_per_command; | |
1015 | scp->timeout_per_command = timeout; | |
1016 | ||
1017 | if (timeout == 0) { | |
1018 | del_timer(&scp->eh_timeout); | |
1019 | scp->eh_timeout.data = (unsigned long) NULL; | |
1020 | scp->eh_timeout.expires = 0; | |
1021 | } else { | |
1022 | if (scp->eh_timeout.data != (unsigned long) NULL) | |
1023 | del_timer(&scp->eh_timeout); | |
1024 | scp->eh_timeout.data = (unsigned long) scp; | |
1025 | scp->eh_timeout.expires = jiffies + timeout; | |
1026 | add_timer(&scp->eh_timeout); | |
1027 | } | |
1028 | ||
1029 | return oldto; | |
1030 | } |