Bryan O'Sullivan | 3e9b4a5 | 2006-03-29 15:23:30 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2006 PathScale, Inc. All rights reserved. |
| 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | */ |
| 32 | |
| 33 | #include <linux/ctype.h> |
| 34 | #include <linux/pci.h> |
| 35 | |
| 36 | #include "ipath_kernel.h" |
| 37 | #include "ips_common.h" |
| 38 | #include "ipath_layer.h" |
| 39 | |
| 40 | /** |
| 41 | * ipath_parse_ushort - parse an unsigned short value in an arbitrary base |
| 42 | * @str: the string containing the number |
| 43 | * @valp: where to put the result |
| 44 | * |
| 45 | * returns the number of bytes consumed, or negative value on error |
| 46 | */ |
| 47 | int ipath_parse_ushort(const char *str, unsigned short *valp) |
| 48 | { |
| 49 | unsigned long val; |
| 50 | char *end; |
| 51 | int ret; |
| 52 | |
| 53 | if (!isdigit(str[0])) { |
| 54 | ret = -EINVAL; |
| 55 | goto bail; |
| 56 | } |
| 57 | |
| 58 | val = simple_strtoul(str, &end, 0); |
| 59 | |
| 60 | if (val > 0xffff) { |
| 61 | ret = -EINVAL; |
| 62 | goto bail; |
| 63 | } |
| 64 | |
| 65 | *valp = val; |
| 66 | |
| 67 | ret = end + 1 - str; |
| 68 | if (ret == 0) |
| 69 | ret = -EINVAL; |
| 70 | |
| 71 | bail: |
| 72 | return ret; |
| 73 | } |
| 74 | |
| 75 | static ssize_t show_version(struct device_driver *dev, char *buf) |
| 76 | { |
| 77 | /* The string printed here is already newline-terminated. */ |
| 78 | return scnprintf(buf, PAGE_SIZE, "%s", ipath_core_version); |
| 79 | } |
| 80 | |
| 81 | static ssize_t show_num_units(struct device_driver *dev, char *buf) |
| 82 | { |
| 83 | return scnprintf(buf, PAGE_SIZE, "%d\n", |
| 84 | ipath_count_units(NULL, NULL, NULL)); |
| 85 | } |
| 86 | |
| 87 | #define DRIVER_STAT(name, attr) \ |
| 88 | static ssize_t show_stat_##name(struct device_driver *dev, \ |
| 89 | char *buf) \ |
| 90 | { \ |
| 91 | return scnprintf( \ |
| 92 | buf, PAGE_SIZE, "%llu\n", \ |
| 93 | (unsigned long long) ipath_stats.sps_ ##attr); \ |
| 94 | } \ |
| 95 | static DRIVER_ATTR(name, S_IRUGO, show_stat_##name, NULL) |
| 96 | |
| 97 | DRIVER_STAT(intrs, ints); |
| 98 | DRIVER_STAT(err_intrs, errints); |
| 99 | DRIVER_STAT(errs, errs); |
| 100 | DRIVER_STAT(pkt_errs, pkterrs); |
| 101 | DRIVER_STAT(crc_errs, crcerrs); |
| 102 | DRIVER_STAT(hw_errs, hwerrs); |
| 103 | DRIVER_STAT(ib_link, iblink); |
| 104 | DRIVER_STAT(port0_pkts, port0pkts); |
| 105 | DRIVER_STAT(ether_spkts, ether_spkts); |
| 106 | DRIVER_STAT(ether_rpkts, ether_rpkts); |
| 107 | DRIVER_STAT(sma_spkts, sma_spkts); |
| 108 | DRIVER_STAT(sma_rpkts, sma_rpkts); |
| 109 | DRIVER_STAT(hdrq_full, hdrqfull); |
| 110 | DRIVER_STAT(etid_full, etidfull); |
| 111 | DRIVER_STAT(no_piobufs, nopiobufs); |
| 112 | DRIVER_STAT(ports, ports); |
| 113 | DRIVER_STAT(pkey0, pkeys[0]); |
| 114 | DRIVER_STAT(pkey1, pkeys[1]); |
| 115 | DRIVER_STAT(pkey2, pkeys[2]); |
| 116 | DRIVER_STAT(pkey3, pkeys[3]); |
| 117 | /* XXX fix the following when dynamic table of devices used */ |
| 118 | DRIVER_STAT(lid0, lid[0]); |
| 119 | DRIVER_STAT(lid1, lid[1]); |
| 120 | DRIVER_STAT(lid2, lid[2]); |
| 121 | DRIVER_STAT(lid3, lid[3]); |
| 122 | |
| 123 | DRIVER_STAT(nports, nports); |
| 124 | DRIVER_STAT(null_intr, nullintr); |
| 125 | DRIVER_STAT(max_pkts_call, maxpkts_call); |
| 126 | DRIVER_STAT(avg_pkts_call, avgpkts_call); |
| 127 | DRIVER_STAT(page_locks, pagelocks); |
| 128 | DRIVER_STAT(page_unlocks, pageunlocks); |
| 129 | DRIVER_STAT(krdrops, krdrops); |
| 130 | /* XXX fix the following when dynamic table of devices used */ |
| 131 | DRIVER_STAT(mlid0, mlid[0]); |
| 132 | DRIVER_STAT(mlid1, mlid[1]); |
| 133 | DRIVER_STAT(mlid2, mlid[2]); |
| 134 | DRIVER_STAT(mlid3, mlid[3]); |
| 135 | |
| 136 | static struct attribute *driver_stat_attributes[] = { |
| 137 | &driver_attr_intrs.attr, |
| 138 | &driver_attr_err_intrs.attr, |
| 139 | &driver_attr_errs.attr, |
| 140 | &driver_attr_pkt_errs.attr, |
| 141 | &driver_attr_crc_errs.attr, |
| 142 | &driver_attr_hw_errs.attr, |
| 143 | &driver_attr_ib_link.attr, |
| 144 | &driver_attr_port0_pkts.attr, |
| 145 | &driver_attr_ether_spkts.attr, |
| 146 | &driver_attr_ether_rpkts.attr, |
| 147 | &driver_attr_sma_spkts.attr, |
| 148 | &driver_attr_sma_rpkts.attr, |
| 149 | &driver_attr_hdrq_full.attr, |
| 150 | &driver_attr_etid_full.attr, |
| 151 | &driver_attr_no_piobufs.attr, |
| 152 | &driver_attr_ports.attr, |
| 153 | &driver_attr_pkey0.attr, |
| 154 | &driver_attr_pkey1.attr, |
| 155 | &driver_attr_pkey2.attr, |
| 156 | &driver_attr_pkey3.attr, |
| 157 | &driver_attr_lid0.attr, |
| 158 | &driver_attr_lid1.attr, |
| 159 | &driver_attr_lid2.attr, |
| 160 | &driver_attr_lid3.attr, |
| 161 | &driver_attr_nports.attr, |
| 162 | &driver_attr_null_intr.attr, |
| 163 | &driver_attr_max_pkts_call.attr, |
| 164 | &driver_attr_avg_pkts_call.attr, |
| 165 | &driver_attr_page_locks.attr, |
| 166 | &driver_attr_page_unlocks.attr, |
| 167 | &driver_attr_krdrops.attr, |
| 168 | &driver_attr_mlid0.attr, |
| 169 | &driver_attr_mlid1.attr, |
| 170 | &driver_attr_mlid2.attr, |
| 171 | &driver_attr_mlid3.attr, |
| 172 | NULL |
| 173 | }; |
| 174 | |
| 175 | static struct attribute_group driver_stat_attr_group = { |
| 176 | .name = "stats", |
| 177 | .attrs = driver_stat_attributes |
| 178 | }; |
| 179 | |
| 180 | static ssize_t show_status(struct device *dev, |
| 181 | struct device_attribute *attr, |
| 182 | char *buf) |
| 183 | { |
| 184 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 185 | ssize_t ret; |
| 186 | |
| 187 | if (!dd->ipath_statusp) { |
| 188 | ret = -EINVAL; |
| 189 | goto bail; |
| 190 | } |
| 191 | |
| 192 | ret = scnprintf(buf, PAGE_SIZE, "0x%llx\n", |
| 193 | (unsigned long long) *(dd->ipath_statusp)); |
| 194 | |
| 195 | bail: |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | static const char *ipath_status_str[] = { |
| 200 | "Initted", |
| 201 | "Disabled", |
| 202 | "Admin_Disabled", |
| 203 | "OIB_SMA", |
| 204 | "SMA", |
| 205 | "Present", |
| 206 | "IB_link_up", |
| 207 | "IB_configured", |
| 208 | "NoIBcable", |
| 209 | "Fatal_Hardware_Error", |
| 210 | NULL, |
| 211 | }; |
| 212 | |
| 213 | static ssize_t show_status_str(struct device *dev, |
| 214 | struct device_attribute *attr, |
| 215 | char *buf) |
| 216 | { |
| 217 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 218 | int i, any; |
| 219 | u64 s; |
| 220 | ssize_t ret; |
| 221 | |
| 222 | if (!dd->ipath_statusp) { |
| 223 | ret = -EINVAL; |
| 224 | goto bail; |
| 225 | } |
| 226 | |
| 227 | s = *(dd->ipath_statusp); |
| 228 | *buf = '\0'; |
| 229 | for (any = i = 0; s && ipath_status_str[i]; i++) { |
| 230 | if (s & 1) { |
| 231 | if (any && strlcat(buf, " ", PAGE_SIZE) >= |
| 232 | PAGE_SIZE) |
| 233 | /* overflow */ |
| 234 | break; |
| 235 | if (strlcat(buf, ipath_status_str[i], |
| 236 | PAGE_SIZE) >= PAGE_SIZE) |
| 237 | break; |
| 238 | any = 1; |
| 239 | } |
| 240 | s >>= 1; |
| 241 | } |
| 242 | if (any) |
| 243 | strlcat(buf, "\n", PAGE_SIZE); |
| 244 | |
| 245 | ret = strlen(buf); |
| 246 | |
| 247 | bail: |
| 248 | return ret; |
| 249 | } |
| 250 | |
| 251 | static ssize_t show_boardversion(struct device *dev, |
| 252 | struct device_attribute *attr, |
| 253 | char *buf) |
| 254 | { |
| 255 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 256 | /* The string printed here is already newline-terminated. */ |
| 257 | return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_boardversion); |
| 258 | } |
| 259 | |
| 260 | static ssize_t show_lid(struct device *dev, |
| 261 | struct device_attribute *attr, |
| 262 | char *buf) |
| 263 | { |
| 264 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 265 | |
| 266 | return scnprintf(buf, PAGE_SIZE, "0x%x\n", dd->ipath_lid); |
| 267 | } |
| 268 | |
| 269 | static ssize_t store_lid(struct device *dev, |
| 270 | struct device_attribute *attr, |
| 271 | const char *buf, |
| 272 | size_t count) |
| 273 | { |
| 274 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 275 | u16 lid; |
| 276 | int ret; |
| 277 | |
| 278 | ret = ipath_parse_ushort(buf, &lid); |
| 279 | if (ret < 0) |
| 280 | goto invalid; |
| 281 | |
| 282 | if (lid == 0 || lid >= 0xc000) { |
| 283 | ret = -EINVAL; |
| 284 | goto invalid; |
| 285 | } |
| 286 | |
| 287 | ipath_set_sps_lid(dd, lid, 0); |
| 288 | |
| 289 | goto bail; |
| 290 | invalid: |
| 291 | ipath_dev_err(dd, "attempt to set invalid LID\n"); |
| 292 | bail: |
| 293 | return ret; |
| 294 | } |
| 295 | |
| 296 | static ssize_t show_mlid(struct device *dev, |
| 297 | struct device_attribute *attr, |
| 298 | char *buf) |
| 299 | { |
| 300 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 301 | |
| 302 | return scnprintf(buf, PAGE_SIZE, "0x%x\n", dd->ipath_mlid); |
| 303 | } |
| 304 | |
| 305 | static ssize_t store_mlid(struct device *dev, |
| 306 | struct device_attribute *attr, |
| 307 | const char *buf, |
| 308 | size_t count) |
| 309 | { |
| 310 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 311 | int unit; |
| 312 | u16 mlid; |
| 313 | int ret; |
| 314 | |
| 315 | ret = ipath_parse_ushort(buf, &mlid); |
| 316 | if (ret < 0) |
| 317 | goto invalid; |
| 318 | |
| 319 | unit = dd->ipath_unit; |
| 320 | |
| 321 | dd->ipath_mlid = mlid; |
| 322 | ipath_stats.sps_mlid[unit] = mlid; |
| 323 | ipath_layer_intr(dd, IPATH_LAYER_INT_BCAST); |
| 324 | |
| 325 | goto bail; |
| 326 | invalid: |
| 327 | ipath_dev_err(dd, "attempt to set invalid MLID\n"); |
| 328 | bail: |
| 329 | return ret; |
| 330 | } |
| 331 | |
| 332 | static ssize_t show_guid(struct device *dev, |
| 333 | struct device_attribute *attr, |
| 334 | char *buf) |
| 335 | { |
| 336 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 337 | u8 *guid; |
| 338 | |
| 339 | guid = (u8 *) & (dd->ipath_guid); |
| 340 | |
| 341 | return scnprintf(buf, PAGE_SIZE, |
| 342 | "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", |
| 343 | guid[0], guid[1], guid[2], guid[3], |
| 344 | guid[4], guid[5], guid[6], guid[7]); |
| 345 | } |
| 346 | |
| 347 | static ssize_t store_guid(struct device *dev, |
| 348 | struct device_attribute *attr, |
| 349 | const char *buf, |
| 350 | size_t count) |
| 351 | { |
| 352 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 353 | ssize_t ret; |
| 354 | unsigned short guid[8]; |
| 355 | __be64 nguid; |
| 356 | u8 *ng; |
| 357 | int i; |
| 358 | |
| 359 | if (sscanf(buf, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx", |
| 360 | &guid[0], &guid[1], &guid[2], &guid[3], |
| 361 | &guid[4], &guid[5], &guid[6], &guid[7]) != 8) |
| 362 | goto invalid; |
| 363 | |
| 364 | ng = (u8 *) &nguid; |
| 365 | |
| 366 | for (i = 0; i < 8; i++) { |
| 367 | if (guid[i] > 0xff) |
| 368 | goto invalid; |
| 369 | ng[i] = guid[i]; |
| 370 | } |
| 371 | |
| 372 | dd->ipath_guid = nguid; |
| 373 | dd->ipath_nguid = 1; |
| 374 | |
| 375 | ret = strlen(buf); |
| 376 | goto bail; |
| 377 | |
| 378 | invalid: |
| 379 | ipath_dev_err(dd, "attempt to set invalid GUID\n"); |
| 380 | ret = -EINVAL; |
| 381 | |
| 382 | bail: |
| 383 | return ret; |
| 384 | } |
| 385 | |
| 386 | static ssize_t show_nguid(struct device *dev, |
| 387 | struct device_attribute *attr, |
| 388 | char *buf) |
| 389 | { |
| 390 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 391 | |
| 392 | return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_nguid); |
| 393 | } |
| 394 | |
| 395 | static ssize_t show_serial(struct device *dev, |
| 396 | struct device_attribute *attr, |
| 397 | char *buf) |
| 398 | { |
| 399 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 400 | |
| 401 | buf[sizeof dd->ipath_serial] = '\0'; |
| 402 | memcpy(buf, dd->ipath_serial, sizeof dd->ipath_serial); |
| 403 | strcat(buf, "\n"); |
| 404 | return strlen(buf); |
| 405 | } |
| 406 | |
| 407 | static ssize_t show_unit(struct device *dev, |
| 408 | struct device_attribute *attr, |
| 409 | char *buf) |
| 410 | { |
| 411 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 412 | |
| 413 | return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_unit); |
| 414 | } |
| 415 | |
| 416 | #define DEVICE_COUNTER(name, attr) \ |
| 417 | static ssize_t show_counter_##name(struct device *dev, \ |
| 418 | struct device_attribute *attr, \ |
| 419 | char *buf) \ |
| 420 | { \ |
| 421 | struct ipath_devdata *dd = dev_get_drvdata(dev); \ |
| 422 | return scnprintf(\ |
| 423 | buf, PAGE_SIZE, "%llu\n", (unsigned long long) \ |
| 424 | ipath_snap_cntr( \ |
| 425 | dd, offsetof(struct infinipath_counters, \ |
| 426 | attr) / sizeof(u64))); \ |
| 427 | } \ |
| 428 | static DEVICE_ATTR(name, S_IRUGO, show_counter_##name, NULL); |
| 429 | |
| 430 | DEVICE_COUNTER(ib_link_downeds, IBLinkDownedCnt); |
| 431 | DEVICE_COUNTER(ib_link_err_recoveries, IBLinkErrRecoveryCnt); |
| 432 | DEVICE_COUNTER(ib_status_changes, IBStatusChangeCnt); |
| 433 | DEVICE_COUNTER(ib_symbol_errs, IBSymbolErrCnt); |
| 434 | DEVICE_COUNTER(lb_flow_stalls, LBFlowStallCnt); |
| 435 | DEVICE_COUNTER(lb_ints, LBIntCnt); |
| 436 | DEVICE_COUNTER(rx_bad_formats, RxBadFormatCnt); |
| 437 | DEVICE_COUNTER(rx_buf_ovfls, RxBufOvflCnt); |
| 438 | DEVICE_COUNTER(rx_data_pkts, RxDataPktCnt); |
| 439 | DEVICE_COUNTER(rx_dropped_pkts, RxDroppedPktCnt); |
| 440 | DEVICE_COUNTER(rx_dwords, RxDwordCnt); |
| 441 | DEVICE_COUNTER(rx_ebps, RxEBPCnt); |
| 442 | DEVICE_COUNTER(rx_flow_ctrl_errs, RxFlowCtrlErrCnt); |
| 443 | DEVICE_COUNTER(rx_flow_pkts, RxFlowPktCnt); |
| 444 | DEVICE_COUNTER(rx_icrc_errs, RxICRCErrCnt); |
| 445 | DEVICE_COUNTER(rx_len_errs, RxLenErrCnt); |
| 446 | DEVICE_COUNTER(rx_link_problems, RxLinkProblemCnt); |
| 447 | DEVICE_COUNTER(rx_lpcrc_errs, RxLPCRCErrCnt); |
| 448 | DEVICE_COUNTER(rx_max_min_len_errs, RxMaxMinLenErrCnt); |
| 449 | DEVICE_COUNTER(rx_p0_hdr_egr_ovfls, RxP0HdrEgrOvflCnt); |
| 450 | DEVICE_COUNTER(rx_p1_hdr_egr_ovfls, RxP1HdrEgrOvflCnt); |
| 451 | DEVICE_COUNTER(rx_p2_hdr_egr_ovfls, RxP2HdrEgrOvflCnt); |
| 452 | DEVICE_COUNTER(rx_p3_hdr_egr_ovfls, RxP3HdrEgrOvflCnt); |
| 453 | DEVICE_COUNTER(rx_p4_hdr_egr_ovfls, RxP4HdrEgrOvflCnt); |
| 454 | DEVICE_COUNTER(rx_p5_hdr_egr_ovfls, RxP5HdrEgrOvflCnt); |
| 455 | DEVICE_COUNTER(rx_p6_hdr_egr_ovfls, RxP6HdrEgrOvflCnt); |
| 456 | DEVICE_COUNTER(rx_p7_hdr_egr_ovfls, RxP7HdrEgrOvflCnt); |
| 457 | DEVICE_COUNTER(rx_p8_hdr_egr_ovfls, RxP8HdrEgrOvflCnt); |
| 458 | DEVICE_COUNTER(rx_pkey_mismatches, RxPKeyMismatchCnt); |
| 459 | DEVICE_COUNTER(rx_tid_full_errs, RxTIDFullErrCnt); |
| 460 | DEVICE_COUNTER(rx_tid_valid_errs, RxTIDValidErrCnt); |
| 461 | DEVICE_COUNTER(rx_vcrc_errs, RxVCRCErrCnt); |
| 462 | DEVICE_COUNTER(tx_data_pkts, TxDataPktCnt); |
| 463 | DEVICE_COUNTER(tx_dropped_pkts, TxDroppedPktCnt); |
| 464 | DEVICE_COUNTER(tx_dwords, TxDwordCnt); |
| 465 | DEVICE_COUNTER(tx_flow_pkts, TxFlowPktCnt); |
| 466 | DEVICE_COUNTER(tx_flow_stalls, TxFlowStallCnt); |
| 467 | DEVICE_COUNTER(tx_len_errs, TxLenErrCnt); |
| 468 | DEVICE_COUNTER(tx_max_min_len_errs, TxMaxMinLenErrCnt); |
| 469 | DEVICE_COUNTER(tx_underruns, TxUnderrunCnt); |
| 470 | DEVICE_COUNTER(tx_unsup_vl_errs, TxUnsupVLErrCnt); |
| 471 | |
| 472 | static struct attribute *dev_counter_attributes[] = { |
| 473 | &dev_attr_ib_link_downeds.attr, |
| 474 | &dev_attr_ib_link_err_recoveries.attr, |
| 475 | &dev_attr_ib_status_changes.attr, |
| 476 | &dev_attr_ib_symbol_errs.attr, |
| 477 | &dev_attr_lb_flow_stalls.attr, |
| 478 | &dev_attr_lb_ints.attr, |
| 479 | &dev_attr_rx_bad_formats.attr, |
| 480 | &dev_attr_rx_buf_ovfls.attr, |
| 481 | &dev_attr_rx_data_pkts.attr, |
| 482 | &dev_attr_rx_dropped_pkts.attr, |
| 483 | &dev_attr_rx_dwords.attr, |
| 484 | &dev_attr_rx_ebps.attr, |
| 485 | &dev_attr_rx_flow_ctrl_errs.attr, |
| 486 | &dev_attr_rx_flow_pkts.attr, |
| 487 | &dev_attr_rx_icrc_errs.attr, |
| 488 | &dev_attr_rx_len_errs.attr, |
| 489 | &dev_attr_rx_link_problems.attr, |
| 490 | &dev_attr_rx_lpcrc_errs.attr, |
| 491 | &dev_attr_rx_max_min_len_errs.attr, |
| 492 | &dev_attr_rx_p0_hdr_egr_ovfls.attr, |
| 493 | &dev_attr_rx_p1_hdr_egr_ovfls.attr, |
| 494 | &dev_attr_rx_p2_hdr_egr_ovfls.attr, |
| 495 | &dev_attr_rx_p3_hdr_egr_ovfls.attr, |
| 496 | &dev_attr_rx_p4_hdr_egr_ovfls.attr, |
| 497 | &dev_attr_rx_p5_hdr_egr_ovfls.attr, |
| 498 | &dev_attr_rx_p6_hdr_egr_ovfls.attr, |
| 499 | &dev_attr_rx_p7_hdr_egr_ovfls.attr, |
| 500 | &dev_attr_rx_p8_hdr_egr_ovfls.attr, |
| 501 | &dev_attr_rx_pkey_mismatches.attr, |
| 502 | &dev_attr_rx_tid_full_errs.attr, |
| 503 | &dev_attr_rx_tid_valid_errs.attr, |
| 504 | &dev_attr_rx_vcrc_errs.attr, |
| 505 | &dev_attr_tx_data_pkts.attr, |
| 506 | &dev_attr_tx_dropped_pkts.attr, |
| 507 | &dev_attr_tx_dwords.attr, |
| 508 | &dev_attr_tx_flow_pkts.attr, |
| 509 | &dev_attr_tx_flow_stalls.attr, |
| 510 | &dev_attr_tx_len_errs.attr, |
| 511 | &dev_attr_tx_max_min_len_errs.attr, |
| 512 | &dev_attr_tx_underruns.attr, |
| 513 | &dev_attr_tx_unsup_vl_errs.attr, |
| 514 | NULL |
| 515 | }; |
| 516 | |
| 517 | static struct attribute_group dev_counter_attr_group = { |
| 518 | .name = "counters", |
| 519 | .attrs = dev_counter_attributes |
| 520 | }; |
| 521 | |
| 522 | static ssize_t store_reset(struct device *dev, |
| 523 | struct device_attribute *attr, |
| 524 | const char *buf, |
| 525 | size_t count) |
| 526 | { |
| 527 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 528 | int ret; |
| 529 | |
| 530 | if (count < 5 || memcmp(buf, "reset", 5)) { |
| 531 | ret = -EINVAL; |
| 532 | goto bail; |
| 533 | } |
| 534 | |
| 535 | if (dd->ipath_flags & IPATH_DISABLED) { |
| 536 | /* |
| 537 | * post-reset init would re-enable interrupts, etc. |
| 538 | * so don't allow reset on disabled devices. Not |
| 539 | * perfect error, but about the best choice. |
| 540 | */ |
| 541 | dev_info(dev,"Unit %d is disabled, can't reset\n", |
| 542 | dd->ipath_unit); |
| 543 | ret = -EINVAL; |
| 544 | } |
| 545 | ret = ipath_reset_device(dd->ipath_unit); |
| 546 | bail: |
| 547 | return ret<0 ? ret : count; |
| 548 | } |
| 549 | |
| 550 | static ssize_t store_link_state(struct device *dev, |
| 551 | struct device_attribute *attr, |
| 552 | const char *buf, |
| 553 | size_t count) |
| 554 | { |
| 555 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 556 | int ret, r; |
| 557 | u16 state; |
| 558 | |
| 559 | ret = ipath_parse_ushort(buf, &state); |
| 560 | if (ret < 0) |
| 561 | goto invalid; |
| 562 | |
| 563 | r = ipath_layer_set_linkstate(dd, state); |
| 564 | if (r < 0) { |
| 565 | ret = r; |
| 566 | goto bail; |
| 567 | } |
| 568 | |
| 569 | goto bail; |
| 570 | invalid: |
| 571 | ipath_dev_err(dd, "attempt to set invalid link state\n"); |
| 572 | bail: |
| 573 | return ret; |
| 574 | } |
| 575 | |
| 576 | static ssize_t show_mtu(struct device *dev, |
| 577 | struct device_attribute *attr, |
| 578 | char *buf) |
| 579 | { |
| 580 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 581 | return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_ibmtu); |
| 582 | } |
| 583 | |
| 584 | static ssize_t store_mtu(struct device *dev, |
| 585 | struct device_attribute *attr, |
| 586 | const char *buf, |
| 587 | size_t count) |
| 588 | { |
| 589 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 590 | ssize_t ret; |
| 591 | u16 mtu = 0; |
| 592 | int r; |
| 593 | |
| 594 | ret = ipath_parse_ushort(buf, &mtu); |
| 595 | if (ret < 0) |
| 596 | goto invalid; |
| 597 | |
| 598 | r = ipath_layer_set_mtu(dd, mtu); |
| 599 | if (r < 0) |
| 600 | ret = r; |
| 601 | |
| 602 | goto bail; |
| 603 | invalid: |
| 604 | ipath_dev_err(dd, "attempt to set invalid MTU\n"); |
| 605 | bail: |
| 606 | return ret; |
| 607 | } |
| 608 | |
| 609 | static ssize_t show_enabled(struct device *dev, |
| 610 | struct device_attribute *attr, |
| 611 | char *buf) |
| 612 | { |
| 613 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 614 | return scnprintf(buf, PAGE_SIZE, "%u\n", |
| 615 | (dd->ipath_flags & IPATH_DISABLED) ? 0 : 1); |
| 616 | } |
| 617 | |
| 618 | static ssize_t store_enabled(struct device *dev, |
| 619 | struct device_attribute *attr, |
| 620 | const char *buf, |
| 621 | size_t count) |
| 622 | { |
| 623 | struct ipath_devdata *dd = dev_get_drvdata(dev); |
| 624 | ssize_t ret; |
| 625 | u16 enable = 0; |
| 626 | |
| 627 | ret = ipath_parse_ushort(buf, &enable); |
| 628 | if (ret < 0) { |
| 629 | ipath_dev_err(dd, "attempt to use non-numeric on enable\n"); |
| 630 | goto bail; |
| 631 | } |
| 632 | |
| 633 | if (enable) { |
| 634 | if (!(dd->ipath_flags & IPATH_DISABLED)) |
| 635 | goto bail; |
| 636 | |
| 637 | dev_info(dev, "Enabling unit %d\n", dd->ipath_unit); |
| 638 | /* same as post-reset */ |
| 639 | ret = ipath_init_chip(dd, 1); |
| 640 | if (ret) |
| 641 | ipath_dev_err(dd, "Failed to enable unit %d\n", |
| 642 | dd->ipath_unit); |
| 643 | else { |
| 644 | dd->ipath_flags &= ~IPATH_DISABLED; |
| 645 | *dd->ipath_statusp &= ~IPATH_STATUS_ADMIN_DISABLED; |
| 646 | } |
| 647 | } |
| 648 | else if (!(dd->ipath_flags & IPATH_DISABLED)) { |
| 649 | dev_info(dev, "Disabling unit %d\n", dd->ipath_unit); |
| 650 | ipath_shutdown_device(dd); |
| 651 | dd->ipath_flags |= IPATH_DISABLED; |
| 652 | *dd->ipath_statusp |= IPATH_STATUS_ADMIN_DISABLED; |
| 653 | } |
| 654 | |
| 655 | bail: |
| 656 | return ret; |
| 657 | } |
| 658 | |
| 659 | static DRIVER_ATTR(num_units, S_IRUGO, show_num_units, NULL); |
| 660 | static DRIVER_ATTR(version, S_IRUGO, show_version, NULL); |
| 661 | |
| 662 | static struct attribute *driver_attributes[] = { |
| 663 | &driver_attr_num_units.attr, |
| 664 | &driver_attr_version.attr, |
| 665 | NULL |
| 666 | }; |
| 667 | |
| 668 | static struct attribute_group driver_attr_group = { |
| 669 | .attrs = driver_attributes |
| 670 | }; |
| 671 | |
| 672 | static DEVICE_ATTR(guid, S_IWUSR | S_IRUGO, show_guid, store_guid); |
| 673 | static DEVICE_ATTR(lid, S_IWUSR | S_IRUGO, show_lid, store_lid); |
| 674 | static DEVICE_ATTR(link_state, S_IWUSR, NULL, store_link_state); |
| 675 | static DEVICE_ATTR(mlid, S_IWUSR | S_IRUGO, show_mlid, store_mlid); |
| 676 | static DEVICE_ATTR(mtu, S_IWUSR | S_IRUGO, show_mtu, store_mtu); |
| 677 | static DEVICE_ATTR(enabled, S_IWUSR | S_IRUGO, show_enabled, store_enabled); |
| 678 | static DEVICE_ATTR(nguid, S_IRUGO, show_nguid, NULL); |
| 679 | static DEVICE_ATTR(reset, S_IWUSR, NULL, store_reset); |
| 680 | static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); |
| 681 | static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); |
| 682 | static DEVICE_ATTR(status_str, S_IRUGO, show_status_str, NULL); |
| 683 | static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL); |
| 684 | static DEVICE_ATTR(unit, S_IRUGO, show_unit, NULL); |
| 685 | |
| 686 | static struct attribute *dev_attributes[] = { |
| 687 | &dev_attr_guid.attr, |
| 688 | &dev_attr_lid.attr, |
| 689 | &dev_attr_link_state.attr, |
| 690 | &dev_attr_mlid.attr, |
| 691 | &dev_attr_mtu.attr, |
| 692 | &dev_attr_nguid.attr, |
| 693 | &dev_attr_serial.attr, |
| 694 | &dev_attr_status.attr, |
| 695 | &dev_attr_status_str.attr, |
| 696 | &dev_attr_boardversion.attr, |
| 697 | &dev_attr_unit.attr, |
| 698 | &dev_attr_enabled.attr, |
| 699 | NULL |
| 700 | }; |
| 701 | |
| 702 | static struct attribute_group dev_attr_group = { |
| 703 | .attrs = dev_attributes |
| 704 | }; |
| 705 | |
| 706 | /** |
| 707 | * ipath_expose_reset - create a device reset file |
| 708 | * @dev: the device structure |
| 709 | * |
| 710 | * Only expose a file that lets us reset the device after someone |
| 711 | * enters diag mode. A device reset is quite likely to crash the |
| 712 | * machine entirely, so we don't want to normally make it |
| 713 | * available. |
Bryan O'Sullivan | 755e4ca | 2006-04-24 14:22:57 -0700 | [diff] [blame] | 714 | * |
| 715 | * Called with ipath_mutex held. |
Bryan O'Sullivan | 3e9b4a5 | 2006-03-29 15:23:30 -0800 | [diff] [blame] | 716 | */ |
| 717 | int ipath_expose_reset(struct device *dev) |
| 718 | { |
Bryan O'Sullivan | 755e4ca | 2006-04-24 14:22:57 -0700 | [diff] [blame] | 719 | static int exposed; |
| 720 | int ret; |
| 721 | |
| 722 | if (!exposed) { |
| 723 | ret = device_create_file(dev, &dev_attr_reset); |
| 724 | exposed = 1; |
| 725 | } |
| 726 | else |
| 727 | ret = 0; |
| 728 | |
| 729 | return ret; |
Bryan O'Sullivan | 3e9b4a5 | 2006-03-29 15:23:30 -0800 | [diff] [blame] | 730 | } |
| 731 | |
| 732 | int ipath_driver_create_group(struct device_driver *drv) |
| 733 | { |
| 734 | int ret; |
| 735 | |
| 736 | ret = sysfs_create_group(&drv->kobj, &driver_attr_group); |
| 737 | if (ret) |
| 738 | goto bail; |
| 739 | |
| 740 | ret = sysfs_create_group(&drv->kobj, &driver_stat_attr_group); |
| 741 | if (ret) |
| 742 | sysfs_remove_group(&drv->kobj, &driver_attr_group); |
| 743 | |
| 744 | bail: |
| 745 | return ret; |
| 746 | } |
| 747 | |
| 748 | void ipath_driver_remove_group(struct device_driver *drv) |
| 749 | { |
| 750 | sysfs_remove_group(&drv->kobj, &driver_stat_attr_group); |
| 751 | sysfs_remove_group(&drv->kobj, &driver_attr_group); |
| 752 | } |
| 753 | |
| 754 | int ipath_device_create_group(struct device *dev, struct ipath_devdata *dd) |
| 755 | { |
| 756 | int ret; |
| 757 | char unit[5]; |
| 758 | |
| 759 | ret = sysfs_create_group(&dev->kobj, &dev_attr_group); |
| 760 | if (ret) |
| 761 | goto bail; |
| 762 | |
| 763 | ret = sysfs_create_group(&dev->kobj, &dev_counter_attr_group); |
| 764 | if (ret) |
| 765 | goto bail_attrs; |
| 766 | |
| 767 | snprintf(unit, sizeof(unit), "%02d", dd->ipath_unit); |
| 768 | ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj, unit); |
| 769 | if (ret == 0) |
| 770 | goto bail; |
| 771 | |
| 772 | sysfs_remove_group(&dev->kobj, &dev_counter_attr_group); |
| 773 | bail_attrs: |
| 774 | sysfs_remove_group(&dev->kobj, &dev_attr_group); |
| 775 | bail: |
| 776 | return ret; |
| 777 | } |
| 778 | |
| 779 | void ipath_device_remove_group(struct device *dev, struct ipath_devdata *dd) |
| 780 | { |
| 781 | char unit[5]; |
| 782 | |
| 783 | snprintf(unit, sizeof(unit), "%02d", dd->ipath_unit); |
| 784 | sysfs_remove_link(&dev->driver->kobj, unit); |
| 785 | |
| 786 | sysfs_remove_group(&dev->kobj, &dev_counter_attr_group); |
| 787 | sysfs_remove_group(&dev->kobj, &dev_attr_group); |
| 788 | |
| 789 | device_remove_file(dev, &dev_attr_reset); |
| 790 | } |