1/* gdth_proc.c 2 * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 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 goto stop_output; 370 } 371 } 372 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr); 373 374 if (!flag) { 375 size = sprintf(buffer+len, "\n --\n"); 376 len += size; pos = begin + len; 377 } 378 379 /* 3. about logical drives */ 380 size = sprintf(buffer+len,"\nLogical Drives:"); 381 len += size; pos = begin + len; 382 flag = FALSE; 383 384 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr); 385 if (!buf) 386 goto stop_output; 387 for (i = 0; i < MAX_LDRIVES; ++i) { 388 if (!ha->hdr[i].is_logdrv) 389 continue; 390 drv_no = i; 391 j = k = 0; 392 is_mirr = FALSE; 393 do { 394 /* 3.a log. drive info */ 395 TRACE2(("cache_drv_info() drive no %d\n",drv_no)); 396 pcdi = (gdth_cdrinfo_str *)buf; 397 gdtcmd->Service = CACHESERVICE; 398 gdtcmd->OpCode = GDT_IOCTL; 399 gdtcmd->u.ioctl.p_param = paddr; 400 gdtcmd->u.ioctl.param_size = sizeof(gdth_cdrinfo_str); 401 gdtcmd->u.ioctl.subfunc = CACHE_DRV_INFO; 402 gdtcmd->u.ioctl.channel = drv_no; 403 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK) 404 break; 405 pcdi->ld_dtype >>= 16; 406 j++; 407 if (pcdi->ld_dtype > 2) { 408 strcpy(hrec, "missing"); 409 } else if (pcdi->ld_error & 1) { 410 strcpy(hrec, "fault"); 411 } else if (pcdi->ld_error & 2) { 412 strcpy(hrec, "invalid"); 413 k++; j--; 414 } else { 415 strcpy(hrec, "ok"); 416 } 417 418 if (drv_no == i) { 419 size = sprintf(buffer+len, 420 "\n Number: \t%-2d \tStatus: \t%s\n", 421 drv_no, hrec); 422 len += size; pos = begin + len; 423 flag = TRUE; 424 no_mdrv = pcdi->cd_ldcnt; 425 if (no_mdrv > 1 || pcdi->ld_slave != -1) { 426 is_mirr = TRUE; 427 strcpy(hrec, "RAID-1"); 428 } else if (pcdi->ld_dtype == 0) { 429 strcpy(hrec, "Disk"); 430 } else if (pcdi->ld_dtype == 1) { 431 strcpy(hrec, "RAID-0"); 432 } else if (pcdi->ld_dtype == 2) { 433 strcpy(hrec, "Chain"); 434 } else { 435 strcpy(hrec, "???"); 436 } 437 size = sprintf(buffer+len, 438 " Capacity [MB]:\t%-6d \tType: \t%s\n", 439 pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize), 440 hrec); 441 len += size; pos = begin + len; 442 } else { 443 size = sprintf(buffer+len, 444 " Slave Number: \t%-2d \tStatus: \t%s\n", 445 drv_no & 0x7fff, hrec); 446 len += size; pos = begin + len; 447 } 448 drv_no = pcdi->ld_slave; 449 if (pos < offset) { 450 len = 0; 451 begin = pos; 452 } 453 if (pos > offset + length) 454 goto stop_output; 455 } while (drv_no != -1); 456 457 if (is_mirr) { 458 size = sprintf(buffer+len, 459 " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n", 460 no_mdrv - j - k, k); 461 len += size; pos = begin + len; 462 } 463 464 if (!ha->hdr[i].is_arraydrv) 465 strcpy(hrec, "--"); 466 else 467 sprintf(hrec, "%d", ha->hdr[i].master_no); 468 size = sprintf(buffer+len, 469 " To Array Drv.:\t%s\n", hrec); 470 len += size; pos = begin + len; 471 if (pos < offset) { 472 len = 0; 473 begin = pos; 474 } 475 if (pos > offset + length) 476 goto stop_output; 477 } 478 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr); 479 480 if (!flag) { 481 size = sprintf(buffer+len, "\n --\n"); 482 len += size; pos = begin + len; 483 } 484 485 /* 4. about array drives */ 486 size = sprintf(buffer+len,"\nArray Drives:"); 487 len += size; pos = begin + len; 488 flag = FALSE; 489 490 buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr); 491 if (!buf) 492 goto stop_output; 493 for (i = 0; i < MAX_LDRIVES; ++i) { 494 if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master)) 495 continue; 496 /* 4.a array drive info */ 497 TRACE2(("array_info() drive no %d\n",i)); 498 pai = (gdth_arrayinf_str *)buf; 499 gdtcmd->Service = CACHESERVICE; 500 gdtcmd->OpCode = GDT_IOCTL; 501 gdtcmd->u.ioctl.p_param = paddr; 502 gdtcmd->u.ioctl.param_size = sizeof(gdth_arrayinf_str); 503 gdtcmd->u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN; 504 gdtcmd->u.ioctl.channel = i; 505 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { 506 if (pai->ai_state == 0) 507 strcpy(hrec, "idle"); 508 else if (pai->ai_state == 2) 509 strcpy(hrec, "build"); 510 else if (pai->ai_state == 4) 511 strcpy(hrec, "ready"); 512 else if (pai->ai_state == 6) 513 strcpy(hrec, "fail"); 514 else if (pai->ai_state == 8 || pai->ai_state == 10) 515 strcpy(hrec, "rebuild"); 516 else 517 strcpy(hrec, "error"); 518 if (pai->ai_ext_state & 0x10) 519 strcat(hrec, "/expand"); 520 else if (pai->ai_ext_state & 0x1) 521 strcat(hrec, "/patch"); 522 size = sprintf(buffer+len, 523 "\n Number: \t%-2d \tStatus: \t%s\n", 524 i,hrec); 525 len += size; pos = begin + len; 526 flag = TRUE; 527 528 if (pai->ai_type == 0) 529 strcpy(hrec, "RAID-0"); 530 else if (pai->ai_type == 4) 531 strcpy(hrec, "RAID-4"); 532 else if (pai->ai_type == 5) 533 strcpy(hrec, "RAID-5"); 534 else 535 strcpy(hrec, "RAID-10"); 536 size = sprintf(buffer+len, 537 " Capacity [MB]:\t%-6d \tType: \t%s\n", 538 pai->ai_size/(1024*1024/pai->ai_secsize), 539 hrec); 540 len += size; pos = begin + len; 541 if (pos < offset) { 542 len = 0; 543 begin = pos; 544 } 545 if (pos > offset + length) 546 goto stop_output; 547 } 548 } 549 gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr); 550 551 if (!flag) { 552 size = sprintf(buffer+len, "\n --\n"); 553 len += size; pos = begin + len; 554 } 555 556 /* 5. about host drives */ 557 size = sprintf(buffer+len,"\nHost Drives:"); 558 len += size; pos = begin + len; 559 flag = FALSE; 560 561 buf = gdth_ioctl_alloc(ha, sizeof(gdth_hget_str), FALSE, &paddr); 562 if (!buf) 563 goto stop_output; 564 for (i = 0; i < MAX_LDRIVES; ++i) { 565 if (!ha->hdr[i].is_logdrv || 566 (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master)) 567 continue; 568 /* 5.a get host drive list */ 569 TRACE2(("host_get() drv_no %d\n",i)); 570 phg = (gdth_hget_str *)buf; 571 gdtcmd->Service = CACHESERVICE; 572 gdtcmd->OpCode = GDT_IOCTL; 573 gdtcmd->u.ioctl.p_param = paddr; 574 gdtcmd->u.ioctl.param_size = sizeof(gdth_hget_str); 575 gdtcmd->u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN; 576 gdtcmd->u.ioctl.channel = i; 577 phg->entries = MAX_HDRIVES; 578 phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]); 579 if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { 580 ha->hdr[i].ldr_no = i; 581 ha->hdr[i].rw_attribs = 0; 582 ha->hdr[i].start_sec = 0; 583 } else { 584 for (j = 0; j < phg->entries; ++j) { 585 k = phg->entry[j].host_drive; 586 if (k >= MAX_LDRIVES) 587 continue; 588 ha->hdr[k].ldr_no = phg->entry[j].log_drive; 589 ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs; 590 ha->hdr[k].start_sec = phg->entry[j].start_sec; 591 } 592 } 593 } 594 gdth_ioctl_free(ha, sizeof(gdth_hget_str), buf, paddr); 595 596 for (i = 0; i < MAX_HDRIVES; ++i) { 597 if (!(ha->hdr[i].present)) 598 continue; 599 600 size = sprintf(buffer+len, 601 "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n", 602 i, ha->hdr[i].ldr_no); 603 len += size; pos = begin + len; 604 flag = TRUE; 605 606 size = sprintf(buffer+len, 607 " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n", 608 (u32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec); 609 len += size; pos = begin + len; 610 if (pos < offset) { 611 len = 0; 612 begin = pos; 613 } 614 if (pos > offset + length) 615 goto stop_output; 616 } 617 618 if (!flag) { 619 size = sprintf(buffer+len, "\n --\n"); 620 len += size; pos = begin + len; 621 } 622 } 623 624 /* controller events */ 625 size = sprintf(buffer+len,"\nController Events:\n"); 626 len += size; pos = begin + len; 627 628 for (id = -1;;) { 629 id = gdth_read_event(ha, id, estr); 630 if (estr->event_source == 0) 631 break; 632 if (estr->event_data.eu.driver.ionode == ha->hanum && 633 estr->event_source == ES_ASYNC) { 634 gdth_log_event(&estr->event_data, hrec); 635 do_gettimeofday(&tv); 636 sec = (int)(tv.tv_sec - estr->first_stamp); 637 if (sec < 0) sec = 0; 638 size = sprintf(buffer+len," date- %02d:%02d:%02d\t%s\n", 639 sec/3600, sec%3600/60, sec%60, hrec); 640 len += size; pos = begin + len; 641 if (pos < offset) { 642 len = 0; 643 begin = pos; 644 } 645 if (pos > offset + length) 646 goto stop_output; 647 } 648 if (id == -1) 649 break; 650 } 651 652stop_output: 653 *start = buffer +(offset-begin); 654 len -= (offset-begin); 655 if (len > length) 656 len = length; 657 TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %d\n", 658 len,(int)pos,(int)begin,(int)offset,length,size)); 659 rc = len; 660 661free_fail: 662 kfree(gdtcmd); 663 kfree(estr); 664 return rc; 665} 666 667static char *gdth_ioctl_alloc(gdth_ha_str *ha, int size, int scratch, 668 u64 *paddr) 669{ 670 unsigned long flags; 671 char *ret_val; 672 673 if (size == 0) 674 return NULL; 675 676 spin_lock_irqsave(&ha->smp_lock, flags); 677 678 if (!ha->scratch_busy && size <= GDTH_SCRATCH) { 679 ha->scratch_busy = TRUE; 680 ret_val = ha->pscratch; 681 *paddr = ha->scratch_phys; 682 } else if (scratch) { 683 ret_val = NULL; 684 } else { 685 dma_addr_t dma_addr; 686 687 ret_val = pci_alloc_consistent(ha->pdev, size, &dma_addr); 688 *paddr = dma_addr; 689 } 690 691 spin_unlock_irqrestore(&ha->smp_lock, flags); 692 return ret_val; 693} 694 695static void gdth_ioctl_free(gdth_ha_str *ha, int size, char *buf, u64 paddr) 696{ 697 unsigned long flags; 698 699 if (buf == ha->pscratch) { 700 spin_lock_irqsave(&ha->smp_lock, flags); 701 ha->scratch_busy = FALSE; 702 spin_unlock_irqrestore(&ha->smp_lock, flags); 703 } else { 704 pci_free_consistent(ha->pdev, size, buf, paddr); 705 } 706} 707 708#ifdef GDTH_IOCTL_PROC 709static int gdth_ioctl_check_bin(gdth_ha_str *ha, u16 size) 710{ 711 unsigned long flags; 712 int ret_val; 713 714 spin_lock_irqsave(&ha->smp_lock, flags); 715 716 ret_val = FALSE; 717 if (ha->scratch_busy) { 718 if (((gdth_iord_str *)ha->pscratch)->size == (u32)size) 719 ret_val = TRUE; 720 } 721 spin_unlock_irqrestore(&ha->smp_lock, flags); 722 return ret_val; 723} 724#endif 725 726static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id) 727{ 728 unsigned long flags; 729 int i; 730 Scsi_Cmnd *scp; 731 struct gdth_cmndinfo *cmndinfo; 732 u8 b, t; 733 734 spin_lock_irqsave(&ha->smp_lock, flags); 735 736 for (i = 0; i < GDTH_MAXCMDS; ++i) { 737 scp = ha->cmd_tab[i].cmnd; 738 cmndinfo = gdth_cmnd_priv(scp); 739 740 b = scp->device->channel; 741 t = scp->device->id; 742 if (!SPECIAL_SCP(scp) && t == (u8)id && 743 b == (u8)busnum) { 744 cmndinfo->wait_for_completion = 0; 745 spin_unlock_irqrestore(&ha->smp_lock, flags); 746 while (!cmndinfo->wait_for_completion) 747 barrier(); 748 spin_lock_irqsave(&ha->smp_lock, flags); 749 } 750 } 751 spin_unlock_irqrestore(&ha->smp_lock, flags); 752} 753