drivers/infiniband/hw/qib/qib_sysfs.c

   1 /*
   2  * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
   3  * Copyright (c) 2006 PathScale, Inc. All rights reserved.
   4  *
   5  * This software is available to you under a choice of one of two
   6  * licenses.  You may choose to be licensed under the terms of the GNU
   7  * General Public License (GPL) Version 2, available from the file
   8  * COPYING in the main directory of this source tree, or the
   9  * OpenIB.org BSD license below:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      - Redistributions of source code must retain the above
  16  *        copyright notice, this list of conditions and the following
  17  *        disclaimer.
  18  *
  19  *      - Redistributions in binary form must reproduce the above
  20  *        copyright notice, this list of conditions and the following
  21  *        disclaimer in the documentation and/or other materials
  22  *        provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33 #include <linux/ctype.h>
  34
  35 #include "qib.h"
  36
  37 /**
  38  * qib_parse_ushort - parse an unsigned short value in an arbitrary base
  39  * @str: the string containing the number
  40  * @valp: where to put the result
  41  *
  42  * Returns the number of bytes consumed, or negative value on error.
  43  */
  44 static int qib_parse_ushort(const char *str, unsigned short *valp)
  45 {
  46         unsigned long val;
  47         char *end;
  48         int ret;
  49
  50         if (!isdigit(str[0])) {
  51                 ret = -EINVAL;
  52                 goto bail;
  53         }
  54
  55         val = simple_strtoul(str, &end, 0);
  56
  57         if (val > 0xffff) {
  58                 ret = -EINVAL;
  59                 goto bail;
  60         }
  61
  62         *valp = val;
  63
  64         ret = end + 1 - str;
  65         if (ret == 0)
  66                 ret = -EINVAL;
  67
  68 bail:
  69         return ret;
  70 }
  71
  72 /* start of per-port functions */
  73 /*
  74  * Get/Set heartbeat enable. OR of 1=enabled, 2=auto
  75  */
  76 static ssize_t show_hrtbt_enb(struct qib_pportdata *ppd, char *buf)
  77 {
  78         struct qib_devdata *dd = ppd->dd;
  79         int ret;
  80
  81         ret = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_HRTBT);
  82         ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
  83         return ret;
  84 }
  85
  86 static ssize_t store_hrtbt_enb(struct qib_pportdata *ppd, const char *buf,
  87                                size_t count)
  88 {
  89         struct qib_devdata *dd = ppd->dd;
  90         int ret;
  91         u16 val;
  92
  93         ret = qib_parse_ushort(buf, &val);
  94
  95         /*
  96          * Set the "intentional" heartbeat enable per either of
  97          * "Enable" and "Auto", as these are normally set together.
  98          * This bit is consulted when leaving loopback mode,
  99          * because entering loopback mode overrides it and automatically
 100          * disables heartbeat.
 101          */
 102         if (ret >= 0)
 103                 ret = dd->f_set_ib_cfg(ppd, QIB_IB_CFG_HRTBT, val);
 104         if (ret < 0)
 105                 qib_dev_err(dd, "attempt to set invalid Heartbeat enable\n");
 106         return ret < 0 ? ret : count;
 107 }
 108
 109 static ssize_t store_loopback(struct qib_pportdata *ppd, const char *buf,
 110                               size_t count)
 111 {
 112         struct qib_devdata *dd = ppd->dd;
 113         int ret = count, r;
 114
 115         r = dd->f_set_ib_loopback(ppd, buf);
 116         if (r < 0)
 117                 ret = r;
 118
 119         return ret;
 120 }
 121
 122 static ssize_t store_led_override(struct qib_pportdata *ppd, const char *buf,
 123                                   size_t count)
 124 {
 125         struct qib_devdata *dd = ppd->dd;
 126         int ret;
 127         u16 val;
 128
 129         ret = qib_parse_ushort(buf, &val);
 130         if (ret > 0)
 131                 qib_set_led_override(ppd, val);
 132         else
 133                 qib_dev_err(dd, "attempt to set invalid LED override\n");
 134         return ret < 0 ? ret : count;
 135 }
 136
 137 static ssize_t show_status(struct qib_pportdata *ppd, char *buf)
 138 {
 139         ssize_t ret;
 140
 141         if (!ppd->statusp)
 142                 ret = -EINVAL;
 143         else
 144                 ret = scnprintf(buf, PAGE_SIZE, "0x%llx\n",
 145                                 (unsigned long long) *(ppd->statusp));
 146         return ret;
 147 }
 148
 149 /*
 150  * For userland compatibility, these offsets must remain fixed.
 151  * They are strings for QIB_STATUS_*
 152  */
 153 static const char * const qib_status_str[] = {
 154         "Initted",
 155         "",
 156         "",
 157         "",
 158         "",
 159         "Present",
 160         "IB_link_up",
 161         "IB_configured",
 162         "",
 163         "Fatal_Hardware_Error",
 164         NULL,
 165 };
 166
 167 static ssize_t show_status_str(struct qib_pportdata *ppd, char *buf)
 168 {
 169         int i, any;
 170         u64 s;
 171         ssize_t ret;
 172
 173         if (!ppd->statusp) {
 174                 ret = -EINVAL;
 175                 goto bail;
 176         }
 177
 178         s = *(ppd->statusp);
 179         *buf = '\0';
 180         for (any = i = 0; s && qib_status_str[i]; i++) {
 181                 if (s & 1) {
 182                         /* if overflow */
 183                         if (any && strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE)
 184                                 break;
 185                         if (strlcat(buf, qib_status_str[i], PAGE_SIZE) >=
 186                                         PAGE_SIZE)
 187                                 break;
 188                         any = 1;
 189                 }
 190                 s >>= 1;
 191         }
 192         if (any)
 193                 strlcat(buf, "\n", PAGE_SIZE);
 194
 195         ret = strlen(buf);
 196
 197 bail:
 198         return ret;
 199 }
 200
 201 /* end of per-port functions */
 202
 203 /*
 204  * Start of per-port file structures and support code
 205  * Because we are fitting into other infrastructure, we have to supply the
 206  * full set of kobject/sysfs_ops structures and routines.
 207  */
 208 #define QIB_PORT_ATTR(name, mode, show, store) \
 209         static struct qib_port_attr qib_port_attr_##name = \
 210                 __ATTR(name, mode, show, store)
 211
 212 struct qib_port_attr {
 213         struct attribute attr;
 214         ssize_t (*show)(struct qib_pportdata *, char *);
 215         ssize_t (*store)(struct qib_pportdata *, const char *, size_t);
 216 };
 217
 218 QIB_PORT_ATTR(loopback, S_IWUSR, NULL, store_loopback);
 219 QIB_PORT_ATTR(led_override, S_IWUSR, NULL, store_led_override);
 220 QIB_PORT_ATTR(hrtbt_enable, S_IWUSR | S_IRUGO, show_hrtbt_enb,
 221               store_hrtbt_enb);
 222 QIB_PORT_ATTR(status, S_IRUGO, show_status, NULL);
 223 QIB_PORT_ATTR(status_str, S_IRUGO, show_status_str, NULL);
 224
 225 static struct attribute *port_default_attributes[] = {
 226         &qib_port_attr_loopback.attr,
 227         &qib_port_attr_led_override.attr,
 228         &qib_port_attr_hrtbt_enable.attr,
 229         &qib_port_attr_status.attr,
 230         &qib_port_attr_status_str.attr,
 231         NULL
 232 };
 233
 234 static ssize_t qib_portattr_show(struct kobject *kobj,
 235         struct attribute *attr, char *buf)
 236 {
 237         struct qib_port_attr *pattr =
 238                 container_of(attr, struct qib_port_attr, attr);
 239         struct qib_pportdata *ppd =
 240                 container_of(kobj, struct qib_pportdata, pport_kobj);
 241
 242         return pattr->show(ppd, buf);
 243 }
 244
 245 static ssize_t qib_portattr_store(struct kobject *kobj,
 246         struct attribute *attr, const char *buf, size_t len)
 247 {
 248         struct qib_port_attr *pattr =
 249                 container_of(attr, struct qib_port_attr, attr);
 250         struct qib_pportdata *ppd =
 251                 container_of(kobj, struct qib_pportdata, pport_kobj);
 252
 253         return pattr->store(ppd, buf, len);
 254 }
 255
 256 static void qib_port_release(struct kobject *kobj)
 257 {
 258         /* nothing to do since memory is freed by qib_free_devdata() */
 259 }
 260
 261 static const struct sysfs_ops qib_port_ops = {
 262         .show = qib_portattr_show,
 263         .store = qib_portattr_store,
 264 };
 265
 266 static struct kobj_type qib_port_ktype = {
 267         .release = qib_port_release,
 268         .sysfs_ops = &qib_port_ops,
 269         .default_attrs = port_default_attributes
 270 };
 271
 272 /* Start sl2vl */
 273
 274 #define QIB_SL2VL_ATTR(N) \
 275         static struct qib_sl2vl_attr qib_sl2vl_attr_##N = { \
 276                 .attr = { .name = __stringify(N), .mode = 0444 }, \
 277                 .sl = N \
 278         }
 279
 280 struct qib_sl2vl_attr {
 281         struct attribute attr;
 282         int sl;
 283 };
 284
 285 QIB_SL2VL_ATTR(0);
 286 QIB_SL2VL_ATTR(1);
 287 QIB_SL2VL_ATTR(2);
 288 QIB_SL2VL_ATTR(3);
 289 QIB_SL2VL_ATTR(4);
 290 QIB_SL2VL_ATTR(5);
 291 QIB_SL2VL_ATTR(6);
 292 QIB_SL2VL_ATTR(7);
 293 QIB_SL2VL_ATTR(8);
 294 QIB_SL2VL_ATTR(9);
 295 QIB_SL2VL_ATTR(10);
 296 QIB_SL2VL_ATTR(11);
 297 QIB_SL2VL_ATTR(12);
 298 QIB_SL2VL_ATTR(13);
 299 QIB_SL2VL_ATTR(14);
 300 QIB_SL2VL_ATTR(15);
 301
 302 static struct attribute *sl2vl_default_attributes[] = {
 303         &qib_sl2vl_attr_0.attr,
 304         &qib_sl2vl_attr_1.attr,
 305         &qib_sl2vl_attr_2.attr,
 306         &qib_sl2vl_attr_3.attr,
 307         &qib_sl2vl_attr_4.attr,
 308         &qib_sl2vl_attr_5.attr,
 309         &qib_sl2vl_attr_6.attr,
 310         &qib_sl2vl_attr_7.attr,
 311         &qib_sl2vl_attr_8.attr,
 312         &qib_sl2vl_attr_9.attr,
 313         &qib_sl2vl_attr_10.attr,
 314         &qib_sl2vl_attr_11.attr,
 315         &qib_sl2vl_attr_12.attr,
 316         &qib_sl2vl_attr_13.attr,
 317         &qib_sl2vl_attr_14.attr,
 318         &qib_sl2vl_attr_15.attr,
 319         NULL
 320 };
 321
 322 static ssize_t sl2vl_attr_show(struct kobject *kobj, struct attribute *attr,
 323                                char *buf)
 324 {
 325         struct qib_sl2vl_attr *sattr =
 326                 container_of(attr, struct qib_sl2vl_attr, attr);
 327         struct qib_pportdata *ppd =
 328                 container_of(kobj, struct qib_pportdata, sl2vl_kobj);
 329         struct qib_ibport *qibp = &ppd->ibport_data;
 330
 331         return sprintf(buf, "%u\n", qibp->sl_to_vl[sattr->sl]);
 332 }
 333
 334 static const struct sysfs_ops qib_sl2vl_ops = {
 335         .show = sl2vl_attr_show,
 336 };
 337
 338 static struct kobj_type qib_sl2vl_ktype = {
 339         .release = qib_port_release,
 340         .sysfs_ops = &qib_sl2vl_ops,
 341         .default_attrs = sl2vl_default_attributes
 342 };
 343
 344 /* End sl2vl */
 345
 346 /* Start diag_counters */
 347
 348 #define QIB_DIAGC_ATTR(N) \
 349         static struct qib_diagc_attr qib_diagc_attr_##N = { \
 350                 .attr = { .name = __stringify(N), .mode = 0664 }, \
 351                 .counter = offsetof(struct qib_ibport, n_##N) \
 352         }
 353
 354 struct qib_diagc_attr {
 355         struct attribute attr;
 356         size_t counter;
 357 };
 358
 359 QIB_DIAGC_ATTR(rc_resends);
 360 QIB_DIAGC_ATTR(rc_acks);
 361 QIB_DIAGC_ATTR(rc_qacks);
 362 QIB_DIAGC_ATTR(rc_delayed_comp);
 363 QIB_DIAGC_ATTR(seq_naks);
 364 QIB_DIAGC_ATTR(rdma_seq);
 365 QIB_DIAGC_ATTR(rnr_naks);
 366 QIB_DIAGC_ATTR(other_naks);
 367 QIB_DIAGC_ATTR(rc_timeouts);
 368 QIB_DIAGC_ATTR(loop_pkts);
 369 QIB_DIAGC_ATTR(pkt_drops);
 370 QIB_DIAGC_ATTR(dmawait);
 371 QIB_DIAGC_ATTR(unaligned);
 372 QIB_DIAGC_ATTR(rc_dupreq);
 373 QIB_DIAGC_ATTR(rc_seqnak);
 374
 375 static struct attribute *diagc_default_attributes[] = {
 376         &qib_diagc_attr_rc_resends.attr,
 377         &qib_diagc_attr_rc_acks.attr,
 378         &qib_diagc_attr_rc_qacks.attr,
 379         &qib_diagc_attr_rc_delayed_comp.attr,
 380         &qib_diagc_attr_seq_naks.attr,
 381         &qib_diagc_attr_rdma_seq.attr,
 382         &qib_diagc_attr_rnr_naks.attr,
 383         &qib_diagc_attr_other_naks.attr,
 384         &qib_diagc_attr_rc_timeouts.attr,
 385         &qib_diagc_attr_loop_pkts.attr,
 386         &qib_diagc_attr_pkt_drops.attr,
 387         &qib_diagc_attr_dmawait.attr,
 388         &qib_diagc_attr_unaligned.attr,
 389         &qib_diagc_attr_rc_dupreq.attr,
 390         &qib_diagc_attr_rc_seqnak.attr,
 391         NULL
 392 };
 393
 394 static ssize_t diagc_attr_show(struct kobject *kobj, struct attribute *attr,
 395                                char *buf)
 396 {
 397         struct qib_diagc_attr *dattr =
 398                 container_of(attr, struct qib_diagc_attr, attr);
 399         struct qib_pportdata *ppd =
 400                 container_of(kobj, struct qib_pportdata, diagc_kobj);
 401         struct qib_ibport *qibp = &ppd->ibport_data;
 402
 403         return sprintf(buf, "%u\n", *(u32 *)((char *)qibp + dattr->counter));
 404 }
 405
 406 static ssize_t diagc_attr_store(struct kobject *kobj, struct attribute *attr,
 407                                 const char *buf, size_t size)
 408 {
 409         struct qib_diagc_attr *dattr =
 410                 container_of(attr, struct qib_diagc_attr, attr);
 411         struct qib_pportdata *ppd =
 412                 container_of(kobj, struct qib_pportdata, diagc_kobj);
 413         struct qib_ibport *qibp = &ppd->ibport_data;
 414         char *endp;
 415         long val = simple_strtol(buf, &endp, 0);
 416
 417         if (val < 0 || endp == buf)
 418                 return -EINVAL;
 419
 420         *(u32 *)((char *) qibp + dattr->counter) = val;
 421         return size;
 422 }
 423
 424 static const struct sysfs_ops qib_diagc_ops = {
 425         .show = diagc_attr_show,
 426         .store = diagc_attr_store,
 427 };
 428
 429 static struct kobj_type qib_diagc_ktype = {
 430         .release = qib_port_release,
 431         .sysfs_ops = &qib_diagc_ops,
 432         .default_attrs = diagc_default_attributes
 433 };
 434
 435 /* End diag_counters */
 436
 437 /* end of per-port file structures and support code */
 438
 439 /*
 440  * Start of per-unit (or driver, in some cases, but replicated
 441  * per unit) functions (these get a device *)
 442  */
 443 static ssize_t show_rev(struct device *device, struct device_attribute *attr,
 444                         char *buf)
 445 {
 446         struct qib_ibdev *dev =
 447                 container_of(device, struct qib_ibdev, ibdev.dev);
 448
 449         return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev);
 450 }
 451
 452 static ssize_t show_hca(struct device *device, struct device_attribute *attr,
 453                         char *buf)
 454 {
 455         struct qib_ibdev *dev =
 456                 container_of(device, struct qib_ibdev, ibdev.dev);
 457         struct qib_devdata *dd = dd_from_dev(dev);
 458         int ret;
 459
 460         if (!dd->boardname)
 461                 ret = -EINVAL;
 462         else
 463                 ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname);
 464         return ret;
 465 }
 466
 467 static ssize_t show_version(struct device *device,
 468                             struct device_attribute *attr, char *buf)
 469 {
 470         /* The string printed here is already newline-terminated. */
 471         return scnprintf(buf, PAGE_SIZE, "%s", (char *)ib_qib_version);
 472 }
 473
 474 static ssize_t show_boardversion(struct device *device,
 475                                  struct device_attribute *attr, char *buf)
 476 {
 477         struct qib_ibdev *dev =
 478                 container_of(device, struct qib_ibdev, ibdev.dev);
 479         struct qib_devdata *dd = dd_from_dev(dev);
 480
 481         /* The string printed here is already newline-terminated. */
 482         return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion);
 483 }
 484
 485
 486 static ssize_t show_localbus_info(struct device *device,
 487                                   struct device_attribute *attr, char *buf)
 488 {
 489         struct qib_ibdev *dev =
 490                 container_of(device, struct qib_ibdev, ibdev.dev);
 491         struct qib_devdata *dd = dd_from_dev(dev);
 492
 493         /* The string printed here is already newline-terminated. */
 494         return scnprintf(buf, PAGE_SIZE, "%s", dd->lbus_info);
 495 }
 496
 497
 498 static ssize_t show_nctxts(struct device *device,
 499                            struct device_attribute *attr, char *buf)
 500 {
 501         struct qib_ibdev *dev =
 502                 container_of(device, struct qib_ibdev, ibdev.dev);
 503         struct qib_devdata *dd = dd_from_dev(dev);
 504
 505         /* Return the number of user ports (contexts) available. */
 506         return scnprintf(buf, PAGE_SIZE, "%u\n", dd->cfgctxts -
 507                 dd->first_user_ctxt);
 508 }
 509
 510 static ssize_t show_nfreectxts(struct device *device,
 511                            struct device_attribute *attr, char *buf)
 512 {
 513         struct qib_ibdev *dev =
 514                 container_of(device, struct qib_ibdev, ibdev.dev);
 515         struct qib_devdata *dd = dd_from_dev(dev);
 516
 517         /* Return the number of free user ports (contexts) available. */
 518         return scnprintf(buf, PAGE_SIZE, "%u\n", dd->freectxts);
 519 }
 520
 521 static ssize_t show_serial(struct device *device,
 522                            struct device_attribute *attr, char *buf)
 523 {
 524         struct qib_ibdev *dev =
 525                 container_of(device, struct qib_ibdev, ibdev.dev);
 526         struct qib_devdata *dd = dd_from_dev(dev);
 527
 528         buf[sizeof dd->serial] = '\0';
 529         memcpy(buf, dd->serial, sizeof dd->serial);
 530         strcat(buf, "\n");
 531         return strlen(buf);
 532 }
 533
 534 static ssize_t store_chip_reset(struct device *device,
 535                                 struct device_attribute *attr, const char *buf,
 536                                 size_t count)
 537 {
 538         struct qib_ibdev *dev =
 539                 container_of(device, struct qib_ibdev, ibdev.dev);
 540         struct qib_devdata *dd = dd_from_dev(dev);
 541         int ret;
 542
 543         if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) {
 544                 ret = -EINVAL;
 545                 goto bail;
 546         }
 547
 548         ret = qib_reset_device(dd->unit);
 549 bail:
 550         return ret < 0 ? ret : count;
 551 }
 552
 553 static ssize_t show_logged_errs(struct device *device,
 554                                 struct device_attribute *attr, char *buf)
 555 {
 556         struct qib_ibdev *dev =
 557                 container_of(device, struct qib_ibdev, ibdev.dev);
 558         struct qib_devdata *dd = dd_from_dev(dev);
 559         int idx, count;
 560
 561         /* force consistency with actual EEPROM */
 562         if (qib_update_eeprom_log(dd) != 0)
 563                 return -ENXIO;
 564
 565         count = 0;
 566         for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
 567                 count += scnprintf(buf + count, PAGE_SIZE - count, "%d%c",
 568                                    dd->eep_st_errs[idx],
 569                                    idx == (QIB_EEP_LOG_CNT - 1) ? '\n' : ' ');
 570         }
 571
 572         return count;
 573 }
 574
 575 /*
 576  * Dump tempsense regs. in decimal, to ease shell-scripts.
 577  */
 578 static ssize_t show_tempsense(struct device *device,
 579                               struct device_attribute *attr, char *buf)
 580 {
 581         struct qib_ibdev *dev =
 582                 container_of(device, struct qib_ibdev, ibdev.dev);
 583         struct qib_devdata *dd = dd_from_dev(dev);
 584         int ret;
 585         int idx;
 586         u8 regvals[8];
 587
 588         ret = -ENXIO;
 589         for (idx = 0; idx < 8; ++idx) {
 590                 if (idx == 6)
 591                         continue;
 592                 ret = dd->f_tempsense_rd(dd, idx);
 593                 if (ret < 0)
 594                         break;
 595                 regvals[idx] = ret;
 596         }
 597         if (idx == 8)
 598                 ret = scnprintf(buf, PAGE_SIZE, "%d %d %02X %02X %d %d\n",
 599                                 *(signed char *)(regvals),
 600                                 *(signed char *)(regvals + 1),
 601                                 regvals[2], regvals[3],
 602                                 *(signed char *)(regvals + 5),
 603                                 *(signed char *)(regvals + 7));
 604         return ret;
 605 }
 606
 607 /*
 608  * end of per-unit (or driver, in some cases, but replicated
 609  * per unit) functions
 610  */
 611
 612 /* start of per-unit file structures and support code */
 613 static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
 614 static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
 615 static DEVICE_ATTR(board_id, S_IRUGO, show_hca, NULL);
 616 static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
 617 static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL);
 618 static DEVICE_ATTR(nfreectxts, S_IRUGO, show_nfreectxts, NULL);
 619 static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL);
 620 static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL);
 621 static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
 622 static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL);
 623 static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL);
 624 static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset);
 625
 626 static struct device_attribute *qib_attributes[] = {
 627         &dev_attr_hw_rev,
 628         &dev_attr_hca_type,
 629         &dev_attr_board_id,
 630         &dev_attr_version,
 631         &dev_attr_nctxts,
 632         &dev_attr_nfreectxts,
 633         &dev_attr_serial,
 634         &dev_attr_boardversion,
 635         &dev_attr_logged_errors,
 636         &dev_attr_tempsense,
 637         &dev_attr_localbus_info,
 638         &dev_attr_chip_reset,
 639 };
 640
 641 int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
 642                           struct kobject *kobj)
 643 {
 644         struct qib_pportdata *ppd;
 645         struct qib_devdata *dd = dd_from_ibdev(ibdev);
 646         int ret;
 647
 648         if (!port_num || port_num > dd->num_pports) {
 649                 qib_dev_err(dd, "Skipping infiniband class with "
 650                             "invalid port %u\n", port_num);
 651                 ret = -ENODEV;
 652                 goto bail;
 653         }
 654         ppd = &dd->pport[port_num - 1];
 655
 656         ret = kobject_init_and_add(&ppd->pport_kobj, &qib_port_ktype, kobj,
 657                                    "linkcontrol");
 658         if (ret) {
 659                 qib_dev_err(dd, "Skipping linkcontrol sysfs info, "
 660                             "(err %d) port %u\n", ret, port_num);
 661                 goto bail;
 662         }
 663         kobject_uevent(&ppd->pport_kobj, KOBJ_ADD);
 664
 665         ret = kobject_init_and_add(&ppd->sl2vl_kobj, &qib_sl2vl_ktype, kobj,
 666                                    "sl2vl");
 667         if (ret) {
 668                 qib_dev_err(dd, "Skipping sl2vl sysfs info, "
 669                             "(err %d) port %u\n", ret, port_num);
 670                 goto bail_sl;
 671         }
 672         kobject_uevent(&ppd->sl2vl_kobj, KOBJ_ADD);
 673
 674         ret = kobject_init_and_add(&ppd->diagc_kobj, &qib_diagc_ktype, kobj,
 675                                    "diag_counters");
 676         if (ret) {
 677                 qib_dev_err(dd, "Skipping diag_counters sysfs info, "
 678                             "(err %d) port %u\n", ret, port_num);
 679                 goto bail_diagc;
 680         }
 681         kobject_uevent(&ppd->diagc_kobj, KOBJ_ADD);
 682
 683         return 0;
 684
 685 bail_diagc:
 686         kobject_put(&ppd->sl2vl_kobj);
 687 bail_sl:
 688         kobject_put(&ppd->pport_kobj);
 689 bail:
 690         return ret;
 691 }
 692
 693 /*
 694  * Register and create our files in /sys/class/infiniband.
 695  */
 696 int qib_verbs_register_sysfs(struct qib_devdata *dd)
 697 {
 698         struct ib_device *dev = &dd->verbs_dev.ibdev;
 699         int i, ret;
 700
 701         for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i) {
 702                 ret = device_create_file(&dev->dev, qib_attributes[i]);
 703                 if (ret)
 704                         return ret;
 705         }
 706
 707         return 0;
 708 }
 709
 710 /*
 711  * Unregister and remove our files in /sys/class/infiniband.
 712  */
 713 void qib_verbs_unregister_sysfs(struct qib_devdata *dd)
 714 {
 715         struct qib_pportdata *ppd;
 716         int i;
 717
 718         for (i = 0; i < dd->num_pports; i++) {
 719                 ppd = &dd->pport[i];
 720                 kobject_put(&ppd->pport_kobj);
 721                 kobject_put(&ppd->sl2vl_kobj);
 722         }
 723 }