| 1 | /* |
| 2 | * GPL HEADER START |
| 3 | * |
| 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 only, |
| 8 | * as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License version 2 for more details (a copy is included |
| 14 | * in the LICENSE file that accompanied this code). |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * version 2 along with this program; If not, see |
| 18 | * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf |
| 19 | * |
| 20 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 21 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 22 | * have any questions. |
| 23 | * |
| 24 | * GPL HEADER END |
| 25 | */ |
| 26 | /* |
| 27 | * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
| 28 | * Use is subject to license terms. |
| 29 | * |
| 30 | * Copyright (c) 2012, Intel Corporation. |
| 31 | */ |
| 32 | /* |
| 33 | * This file is part of Lustre, http://www.lustre.org/ |
| 34 | * Lustre is a trademark of Sun Microsystems, Inc. |
| 35 | * |
| 36 | * lnet/selftest/conctl.c |
| 37 | * |
| 38 | * IOC handle in kernel |
| 39 | * |
| 40 | * Author: Liang Zhen <liangzhen@clusterfs.com> |
| 41 | */ |
| 42 | |
| 43 | #include "../../include/linux/libcfs/libcfs.h" |
| 44 | #include "../../include/linux/lnet/lib-lnet.h" |
| 45 | #include "../../include/linux/lnet/lnetst.h" |
| 46 | #include "console.h" |
| 47 | |
| 48 | static int |
| 49 | lst_session_new_ioctl(lstio_session_new_args_t *args) |
| 50 | { |
| 51 | char *name; |
| 52 | int rc; |
| 53 | |
| 54 | if (!args->lstio_ses_idp || /* address for output sid */ |
| 55 | !args->lstio_ses_key || /* no key is specified */ |
| 56 | !args->lstio_ses_namep || /* session name */ |
| 57 | args->lstio_ses_nmlen <= 0 || |
| 58 | args->lstio_ses_nmlen > LST_NAME_SIZE) |
| 59 | return -EINVAL; |
| 60 | |
| 61 | LIBCFS_ALLOC(name, args->lstio_ses_nmlen + 1); |
| 62 | if (!name) |
| 63 | return -ENOMEM; |
| 64 | |
| 65 | if (copy_from_user(name, args->lstio_ses_namep, |
| 66 | args->lstio_ses_nmlen)) { |
| 67 | LIBCFS_FREE(name, args->lstio_ses_nmlen + 1); |
| 68 | return -EFAULT; |
| 69 | } |
| 70 | |
| 71 | name[args->lstio_ses_nmlen] = 0; |
| 72 | |
| 73 | rc = lstcon_session_new(name, |
| 74 | args->lstio_ses_key, |
| 75 | args->lstio_ses_feats, |
| 76 | args->lstio_ses_force, |
| 77 | args->lstio_ses_timeout, |
| 78 | args->lstio_ses_idp); |
| 79 | |
| 80 | LIBCFS_FREE(name, args->lstio_ses_nmlen + 1); |
| 81 | return rc; |
| 82 | } |
| 83 | |
| 84 | static int |
| 85 | lst_session_end_ioctl(lstio_session_end_args_t *args) |
| 86 | { |
| 87 | if (args->lstio_ses_key != console_session.ses_key) |
| 88 | return -EACCES; |
| 89 | |
| 90 | return lstcon_session_end(); |
| 91 | } |
| 92 | |
| 93 | static int |
| 94 | lst_session_info_ioctl(lstio_session_info_args_t *args) |
| 95 | { |
| 96 | /* no checking of key */ |
| 97 | |
| 98 | if (!args->lstio_ses_idp || /* address for output sid */ |
| 99 | !args->lstio_ses_keyp || /* address for output key */ |
| 100 | !args->lstio_ses_featp || /* address for output features */ |
| 101 | !args->lstio_ses_ndinfo || /* address for output ndinfo */ |
| 102 | !args->lstio_ses_namep || /* address for output name */ |
| 103 | args->lstio_ses_nmlen <= 0 || |
| 104 | args->lstio_ses_nmlen > LST_NAME_SIZE) |
| 105 | return -EINVAL; |
| 106 | |
| 107 | return lstcon_session_info(args->lstio_ses_idp, |
| 108 | args->lstio_ses_keyp, |
| 109 | args->lstio_ses_featp, |
| 110 | args->lstio_ses_ndinfo, |
| 111 | args->lstio_ses_namep, |
| 112 | args->lstio_ses_nmlen); |
| 113 | } |
| 114 | |
| 115 | static int |
| 116 | lst_debug_ioctl(lstio_debug_args_t *args) |
| 117 | { |
| 118 | char *name = NULL; |
| 119 | int client = 1; |
| 120 | int rc; |
| 121 | |
| 122 | if (args->lstio_dbg_key != console_session.ses_key) |
| 123 | return -EACCES; |
| 124 | |
| 125 | if (!args->lstio_dbg_resultp) |
| 126 | return -EINVAL; |
| 127 | |
| 128 | if (args->lstio_dbg_namep && /* name of batch/group */ |
| 129 | (args->lstio_dbg_nmlen <= 0 || |
| 130 | args->lstio_dbg_nmlen > LST_NAME_SIZE)) |
| 131 | return -EINVAL; |
| 132 | |
| 133 | if (args->lstio_dbg_namep) { |
| 134 | LIBCFS_ALLOC(name, args->lstio_dbg_nmlen + 1); |
| 135 | if (!name) |
| 136 | return -ENOMEM; |
| 137 | |
| 138 | if (copy_from_user(name, args->lstio_dbg_namep, |
| 139 | args->lstio_dbg_nmlen)) { |
| 140 | LIBCFS_FREE(name, args->lstio_dbg_nmlen + 1); |
| 141 | |
| 142 | return -EFAULT; |
| 143 | } |
| 144 | |
| 145 | name[args->lstio_dbg_nmlen] = 0; |
| 146 | } |
| 147 | |
| 148 | rc = -EINVAL; |
| 149 | |
| 150 | switch (args->lstio_dbg_type) { |
| 151 | case LST_OPC_SESSION: |
| 152 | rc = lstcon_session_debug(args->lstio_dbg_timeout, |
| 153 | args->lstio_dbg_resultp); |
| 154 | break; |
| 155 | |
| 156 | case LST_OPC_BATCHSRV: |
| 157 | client = 0; |
| 158 | case LST_OPC_BATCHCLI: |
| 159 | if (!name) |
| 160 | goto out; |
| 161 | |
| 162 | rc = lstcon_batch_debug(args->lstio_dbg_timeout, |
| 163 | name, client, args->lstio_dbg_resultp); |
| 164 | break; |
| 165 | |
| 166 | case LST_OPC_GROUP: |
| 167 | if (!name) |
| 168 | goto out; |
| 169 | |
| 170 | rc = lstcon_group_debug(args->lstio_dbg_timeout, |
| 171 | name, args->lstio_dbg_resultp); |
| 172 | break; |
| 173 | |
| 174 | case LST_OPC_NODES: |
| 175 | if (args->lstio_dbg_count <= 0 || |
| 176 | !args->lstio_dbg_idsp) |
| 177 | goto out; |
| 178 | |
| 179 | rc = lstcon_nodes_debug(args->lstio_dbg_timeout, |
| 180 | args->lstio_dbg_count, |
| 181 | args->lstio_dbg_idsp, |
| 182 | args->lstio_dbg_resultp); |
| 183 | break; |
| 184 | |
| 185 | default: |
| 186 | break; |
| 187 | } |
| 188 | |
| 189 | out: |
| 190 | if (name) |
| 191 | LIBCFS_FREE(name, args->lstio_dbg_nmlen + 1); |
| 192 | |
| 193 | return rc; |
| 194 | } |
| 195 | |
| 196 | static int |
| 197 | lst_group_add_ioctl(lstio_group_add_args_t *args) |
| 198 | { |
| 199 | char *name; |
| 200 | int rc; |
| 201 | |
| 202 | if (args->lstio_grp_key != console_session.ses_key) |
| 203 | return -EACCES; |
| 204 | |
| 205 | if (!args->lstio_grp_namep || |
| 206 | args->lstio_grp_nmlen <= 0 || |
| 207 | args->lstio_grp_nmlen > LST_NAME_SIZE) |
| 208 | return -EINVAL; |
| 209 | |
| 210 | LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1); |
| 211 | if (!name) |
| 212 | return -ENOMEM; |
| 213 | |
| 214 | if (copy_from_user(name, args->lstio_grp_namep, |
| 215 | args->lstio_grp_nmlen)) { |
| 216 | LIBCFS_FREE(name, args->lstio_grp_nmlen); |
| 217 | return -EFAULT; |
| 218 | } |
| 219 | |
| 220 | name[args->lstio_grp_nmlen] = 0; |
| 221 | |
| 222 | rc = lstcon_group_add(name); |
| 223 | |
| 224 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 225 | |
| 226 | return rc; |
| 227 | } |
| 228 | |
| 229 | static int |
| 230 | lst_group_del_ioctl(lstio_group_del_args_t *args) |
| 231 | { |
| 232 | int rc; |
| 233 | char *name; |
| 234 | |
| 235 | if (args->lstio_grp_key != console_session.ses_key) |
| 236 | return -EACCES; |
| 237 | |
| 238 | if (!args->lstio_grp_namep || |
| 239 | args->lstio_grp_nmlen <= 0 || |
| 240 | args->lstio_grp_nmlen > LST_NAME_SIZE) |
| 241 | return -EINVAL; |
| 242 | |
| 243 | LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1); |
| 244 | if (!name) |
| 245 | return -ENOMEM; |
| 246 | |
| 247 | if (copy_from_user(name, args->lstio_grp_namep, |
| 248 | args->lstio_grp_nmlen)) { |
| 249 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 250 | return -EFAULT; |
| 251 | } |
| 252 | |
| 253 | name[args->lstio_grp_nmlen] = 0; |
| 254 | |
| 255 | rc = lstcon_group_del(name); |
| 256 | |
| 257 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 258 | |
| 259 | return rc; |
| 260 | } |
| 261 | |
| 262 | static int |
| 263 | lst_group_update_ioctl(lstio_group_update_args_t *args) |
| 264 | { |
| 265 | int rc; |
| 266 | char *name; |
| 267 | |
| 268 | if (args->lstio_grp_key != console_session.ses_key) |
| 269 | return -EACCES; |
| 270 | |
| 271 | if (!args->lstio_grp_resultp || |
| 272 | !args->lstio_grp_namep || |
| 273 | args->lstio_grp_nmlen <= 0 || |
| 274 | args->lstio_grp_nmlen > LST_NAME_SIZE) |
| 275 | return -EINVAL; |
| 276 | |
| 277 | LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1); |
| 278 | if (!name) |
| 279 | return -ENOMEM; |
| 280 | |
| 281 | if (copy_from_user(name, args->lstio_grp_namep, |
| 282 | args->lstio_grp_nmlen)) { |
| 283 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 284 | return -EFAULT; |
| 285 | } |
| 286 | |
| 287 | name[args->lstio_grp_nmlen] = 0; |
| 288 | |
| 289 | switch (args->lstio_grp_opc) { |
| 290 | case LST_GROUP_CLEAN: |
| 291 | rc = lstcon_group_clean(name, args->lstio_grp_args); |
| 292 | break; |
| 293 | |
| 294 | case LST_GROUP_REFRESH: |
| 295 | rc = lstcon_group_refresh(name, args->lstio_grp_resultp); |
| 296 | break; |
| 297 | |
| 298 | case LST_GROUP_RMND: |
| 299 | if (args->lstio_grp_count <= 0 || |
| 300 | !args->lstio_grp_idsp) { |
| 301 | rc = -EINVAL; |
| 302 | break; |
| 303 | } |
| 304 | rc = lstcon_nodes_remove(name, args->lstio_grp_count, |
| 305 | args->lstio_grp_idsp, |
| 306 | args->lstio_grp_resultp); |
| 307 | break; |
| 308 | |
| 309 | default: |
| 310 | rc = -EINVAL; |
| 311 | break; |
| 312 | } |
| 313 | |
| 314 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 315 | |
| 316 | return rc; |
| 317 | } |
| 318 | |
| 319 | static int |
| 320 | lst_nodes_add_ioctl(lstio_group_nodes_args_t *args) |
| 321 | { |
| 322 | unsigned feats; |
| 323 | int rc; |
| 324 | char *name; |
| 325 | |
| 326 | if (args->lstio_grp_key != console_session.ses_key) |
| 327 | return -EACCES; |
| 328 | |
| 329 | if (!args->lstio_grp_idsp || /* array of ids */ |
| 330 | args->lstio_grp_count <= 0 || |
| 331 | !args->lstio_grp_resultp || |
| 332 | !args->lstio_grp_featp || |
| 333 | !args->lstio_grp_namep || |
| 334 | args->lstio_grp_nmlen <= 0 || |
| 335 | args->lstio_grp_nmlen > LST_NAME_SIZE) |
| 336 | return -EINVAL; |
| 337 | |
| 338 | LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1); |
| 339 | if (!name) |
| 340 | return -ENOMEM; |
| 341 | |
| 342 | if (copy_from_user(name, args->lstio_grp_namep, |
| 343 | args->lstio_grp_nmlen)) { |
| 344 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 345 | |
| 346 | return -EFAULT; |
| 347 | } |
| 348 | |
| 349 | name[args->lstio_grp_nmlen] = 0; |
| 350 | |
| 351 | rc = lstcon_nodes_add(name, args->lstio_grp_count, |
| 352 | args->lstio_grp_idsp, &feats, |
| 353 | args->lstio_grp_resultp); |
| 354 | |
| 355 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 356 | if (!rc && |
| 357 | copy_to_user(args->lstio_grp_featp, &feats, sizeof(feats))) { |
| 358 | return -EINVAL; |
| 359 | } |
| 360 | |
| 361 | return rc; |
| 362 | } |
| 363 | |
| 364 | static int |
| 365 | lst_group_list_ioctl(lstio_group_list_args_t *args) |
| 366 | { |
| 367 | if (args->lstio_grp_key != console_session.ses_key) |
| 368 | return -EACCES; |
| 369 | |
| 370 | if (args->lstio_grp_idx < 0 || |
| 371 | !args->lstio_grp_namep || |
| 372 | args->lstio_grp_nmlen <= 0 || |
| 373 | args->lstio_grp_nmlen > LST_NAME_SIZE) |
| 374 | return -EINVAL; |
| 375 | |
| 376 | return lstcon_group_list(args->lstio_grp_idx, |
| 377 | args->lstio_grp_nmlen, |
| 378 | args->lstio_grp_namep); |
| 379 | } |
| 380 | |
| 381 | static int |
| 382 | lst_group_info_ioctl(lstio_group_info_args_t *args) |
| 383 | { |
| 384 | char *name; |
| 385 | int ndent; |
| 386 | int index; |
| 387 | int rc; |
| 388 | |
| 389 | if (args->lstio_grp_key != console_session.ses_key) |
| 390 | return -EACCES; |
| 391 | |
| 392 | if (!args->lstio_grp_namep || |
| 393 | args->lstio_grp_nmlen <= 0 || |
| 394 | args->lstio_grp_nmlen > LST_NAME_SIZE) |
| 395 | return -EINVAL; |
| 396 | |
| 397 | if (!args->lstio_grp_entp && /* output: group entry */ |
| 398 | !args->lstio_grp_dentsp) /* output: node entry */ |
| 399 | return -EINVAL; |
| 400 | |
| 401 | if (args->lstio_grp_dentsp) { /* have node entry */ |
| 402 | if (!args->lstio_grp_idxp || /* node index */ |
| 403 | !args->lstio_grp_ndentp) /* # of node entry */ |
| 404 | return -EINVAL; |
| 405 | |
| 406 | if (copy_from_user(&ndent, args->lstio_grp_ndentp, |
| 407 | sizeof(ndent)) || |
| 408 | copy_from_user(&index, args->lstio_grp_idxp, |
| 409 | sizeof(index))) |
| 410 | return -EFAULT; |
| 411 | |
| 412 | if (ndent <= 0 || index < 0) |
| 413 | return -EINVAL; |
| 414 | } |
| 415 | |
| 416 | LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1); |
| 417 | if (!name) |
| 418 | return -ENOMEM; |
| 419 | |
| 420 | if (copy_from_user(name, args->lstio_grp_namep, |
| 421 | args->lstio_grp_nmlen)) { |
| 422 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 423 | return -EFAULT; |
| 424 | } |
| 425 | |
| 426 | name[args->lstio_grp_nmlen] = 0; |
| 427 | |
| 428 | rc = lstcon_group_info(name, args->lstio_grp_entp, |
| 429 | &index, &ndent, args->lstio_grp_dentsp); |
| 430 | |
| 431 | LIBCFS_FREE(name, args->lstio_grp_nmlen + 1); |
| 432 | |
| 433 | if (rc) |
| 434 | return rc; |
| 435 | |
| 436 | if (args->lstio_grp_dentsp && |
| 437 | (copy_to_user(args->lstio_grp_idxp, &index, sizeof(index)) || |
| 438 | copy_to_user(args->lstio_grp_ndentp, &ndent, sizeof(ndent)))) |
| 439 | return -EFAULT; |
| 440 | |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | static int |
| 445 | lst_batch_add_ioctl(lstio_batch_add_args_t *args) |
| 446 | { |
| 447 | int rc; |
| 448 | char *name; |
| 449 | |
| 450 | if (args->lstio_bat_key != console_session.ses_key) |
| 451 | return -EACCES; |
| 452 | |
| 453 | if (!args->lstio_bat_namep || |
| 454 | args->lstio_bat_nmlen <= 0 || |
| 455 | args->lstio_bat_nmlen > LST_NAME_SIZE) |
| 456 | return -EINVAL; |
| 457 | |
| 458 | LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1); |
| 459 | if (!name) |
| 460 | return -ENOMEM; |
| 461 | |
| 462 | if (copy_from_user(name, args->lstio_bat_namep, |
| 463 | args->lstio_bat_nmlen)) { |
| 464 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 465 | return -EFAULT; |
| 466 | } |
| 467 | |
| 468 | name[args->lstio_bat_nmlen] = 0; |
| 469 | |
| 470 | rc = lstcon_batch_add(name); |
| 471 | |
| 472 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 473 | |
| 474 | return rc; |
| 475 | } |
| 476 | |
| 477 | static int |
| 478 | lst_batch_run_ioctl(lstio_batch_run_args_t *args) |
| 479 | { |
| 480 | int rc; |
| 481 | char *name; |
| 482 | |
| 483 | if (args->lstio_bat_key != console_session.ses_key) |
| 484 | return -EACCES; |
| 485 | |
| 486 | if (!args->lstio_bat_namep || |
| 487 | args->lstio_bat_nmlen <= 0 || |
| 488 | args->lstio_bat_nmlen > LST_NAME_SIZE) |
| 489 | return -EINVAL; |
| 490 | |
| 491 | LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1); |
| 492 | if (!name) |
| 493 | return -ENOMEM; |
| 494 | |
| 495 | if (copy_from_user(name, args->lstio_bat_namep, |
| 496 | args->lstio_bat_nmlen)) { |
| 497 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 498 | return -EFAULT; |
| 499 | } |
| 500 | |
| 501 | name[args->lstio_bat_nmlen] = 0; |
| 502 | |
| 503 | rc = lstcon_batch_run(name, args->lstio_bat_timeout, |
| 504 | args->lstio_bat_resultp); |
| 505 | |
| 506 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 507 | |
| 508 | return rc; |
| 509 | } |
| 510 | |
| 511 | static int |
| 512 | lst_batch_stop_ioctl(lstio_batch_stop_args_t *args) |
| 513 | { |
| 514 | int rc; |
| 515 | char *name; |
| 516 | |
| 517 | if (args->lstio_bat_key != console_session.ses_key) |
| 518 | return -EACCES; |
| 519 | |
| 520 | if (!args->lstio_bat_resultp || |
| 521 | !args->lstio_bat_namep || |
| 522 | args->lstio_bat_nmlen <= 0 || |
| 523 | args->lstio_bat_nmlen > LST_NAME_SIZE) |
| 524 | return -EINVAL; |
| 525 | |
| 526 | LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1); |
| 527 | if (!name) |
| 528 | return -ENOMEM; |
| 529 | |
| 530 | if (copy_from_user(name, args->lstio_bat_namep, |
| 531 | args->lstio_bat_nmlen)) { |
| 532 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 533 | return -EFAULT; |
| 534 | } |
| 535 | |
| 536 | name[args->lstio_bat_nmlen] = 0; |
| 537 | |
| 538 | rc = lstcon_batch_stop(name, args->lstio_bat_force, |
| 539 | args->lstio_bat_resultp); |
| 540 | |
| 541 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 542 | |
| 543 | return rc; |
| 544 | } |
| 545 | |
| 546 | static int |
| 547 | lst_batch_query_ioctl(lstio_batch_query_args_t *args) |
| 548 | { |
| 549 | char *name; |
| 550 | int rc; |
| 551 | |
| 552 | if (args->lstio_bat_key != console_session.ses_key) |
| 553 | return -EACCES; |
| 554 | |
| 555 | if (!args->lstio_bat_resultp || |
| 556 | !args->lstio_bat_namep || |
| 557 | args->lstio_bat_nmlen <= 0 || |
| 558 | args->lstio_bat_nmlen > LST_NAME_SIZE) |
| 559 | return -EINVAL; |
| 560 | |
| 561 | if (args->lstio_bat_testidx < 0) |
| 562 | return -EINVAL; |
| 563 | |
| 564 | LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1); |
| 565 | if (!name) |
| 566 | return -ENOMEM; |
| 567 | |
| 568 | if (copy_from_user(name, args->lstio_bat_namep, |
| 569 | args->lstio_bat_nmlen)) { |
| 570 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 571 | return -EFAULT; |
| 572 | } |
| 573 | |
| 574 | name[args->lstio_bat_nmlen] = 0; |
| 575 | |
| 576 | rc = lstcon_test_batch_query(name, |
| 577 | args->lstio_bat_testidx, |
| 578 | args->lstio_bat_client, |
| 579 | args->lstio_bat_timeout, |
| 580 | args->lstio_bat_resultp); |
| 581 | |
| 582 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 583 | |
| 584 | return rc; |
| 585 | } |
| 586 | |
| 587 | static int |
| 588 | lst_batch_list_ioctl(lstio_batch_list_args_t *args) |
| 589 | { |
| 590 | if (args->lstio_bat_key != console_session.ses_key) |
| 591 | return -EACCES; |
| 592 | |
| 593 | if (args->lstio_bat_idx < 0 || |
| 594 | !args->lstio_bat_namep || |
| 595 | args->lstio_bat_nmlen <= 0 || |
| 596 | args->lstio_bat_nmlen > LST_NAME_SIZE) |
| 597 | return -EINVAL; |
| 598 | |
| 599 | return lstcon_batch_list(args->lstio_bat_idx, |
| 600 | args->lstio_bat_nmlen, |
| 601 | args->lstio_bat_namep); |
| 602 | } |
| 603 | |
| 604 | static int |
| 605 | lst_batch_info_ioctl(lstio_batch_info_args_t *args) |
| 606 | { |
| 607 | char *name; |
| 608 | int rc; |
| 609 | int index; |
| 610 | int ndent; |
| 611 | |
| 612 | if (args->lstio_bat_key != console_session.ses_key) |
| 613 | return -EACCES; |
| 614 | |
| 615 | if (!args->lstio_bat_namep || /* batch name */ |
| 616 | args->lstio_bat_nmlen <= 0 || |
| 617 | args->lstio_bat_nmlen > LST_NAME_SIZE) |
| 618 | return -EINVAL; |
| 619 | |
| 620 | if (!args->lstio_bat_entp && /* output: batch entry */ |
| 621 | !args->lstio_bat_dentsp) /* output: node entry */ |
| 622 | return -EINVAL; |
| 623 | |
| 624 | if (args->lstio_bat_dentsp) { /* have node entry */ |
| 625 | if (!args->lstio_bat_idxp || /* node index */ |
| 626 | !args->lstio_bat_ndentp) /* # of node entry */ |
| 627 | return -EINVAL; |
| 628 | |
| 629 | if (copy_from_user(&index, args->lstio_bat_idxp, |
| 630 | sizeof(index)) || |
| 631 | copy_from_user(&ndent, args->lstio_bat_ndentp, |
| 632 | sizeof(ndent))) |
| 633 | return -EFAULT; |
| 634 | |
| 635 | if (ndent <= 0 || index < 0) |
| 636 | return -EINVAL; |
| 637 | } |
| 638 | |
| 639 | LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1); |
| 640 | if (!name) |
| 641 | return -ENOMEM; |
| 642 | |
| 643 | if (copy_from_user(name, args->lstio_bat_namep, |
| 644 | args->lstio_bat_nmlen)) { |
| 645 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 646 | return -EFAULT; |
| 647 | } |
| 648 | |
| 649 | name[args->lstio_bat_nmlen] = 0; |
| 650 | |
| 651 | rc = lstcon_batch_info(name, args->lstio_bat_entp, |
| 652 | args->lstio_bat_server, args->lstio_bat_testidx, |
| 653 | &index, &ndent, args->lstio_bat_dentsp); |
| 654 | |
| 655 | LIBCFS_FREE(name, args->lstio_bat_nmlen + 1); |
| 656 | |
| 657 | if (rc) |
| 658 | return rc; |
| 659 | |
| 660 | if (args->lstio_bat_dentsp && |
| 661 | (copy_to_user(args->lstio_bat_idxp, &index, sizeof(index)) || |
| 662 | copy_to_user(args->lstio_bat_ndentp, &ndent, sizeof(ndent)))) |
| 663 | rc = -EFAULT; |
| 664 | |
| 665 | return rc; |
| 666 | } |
| 667 | |
| 668 | static int |
| 669 | lst_stat_query_ioctl(lstio_stat_args_t *args) |
| 670 | { |
| 671 | int rc; |
| 672 | char *name = NULL; |
| 673 | |
| 674 | /* TODO: not finished */ |
| 675 | if (args->lstio_sta_key != console_session.ses_key) |
| 676 | return -EACCES; |
| 677 | |
| 678 | if (!args->lstio_sta_resultp) |
| 679 | return -EINVAL; |
| 680 | |
| 681 | if (args->lstio_sta_idsp) { |
| 682 | if (args->lstio_sta_count <= 0) |
| 683 | return -EINVAL; |
| 684 | |
| 685 | rc = lstcon_nodes_stat(args->lstio_sta_count, |
| 686 | args->lstio_sta_idsp, |
| 687 | args->lstio_sta_timeout, |
| 688 | args->lstio_sta_resultp); |
| 689 | } else if (args->lstio_sta_namep) { |
| 690 | if (args->lstio_sta_nmlen <= 0 || |
| 691 | args->lstio_sta_nmlen > LST_NAME_SIZE) |
| 692 | return -EINVAL; |
| 693 | |
| 694 | LIBCFS_ALLOC(name, args->lstio_sta_nmlen + 1); |
| 695 | if (!name) |
| 696 | return -ENOMEM; |
| 697 | |
| 698 | rc = copy_from_user(name, args->lstio_sta_namep, |
| 699 | args->lstio_sta_nmlen); |
| 700 | if (!rc) |
| 701 | rc = lstcon_group_stat(name, args->lstio_sta_timeout, |
| 702 | args->lstio_sta_resultp); |
| 703 | else |
| 704 | rc = -EFAULT; |
| 705 | } else { |
| 706 | rc = -EINVAL; |
| 707 | } |
| 708 | |
| 709 | if (name) |
| 710 | LIBCFS_FREE(name, args->lstio_sta_nmlen + 1); |
| 711 | return rc; |
| 712 | } |
| 713 | |
| 714 | static int lst_test_add_ioctl(lstio_test_args_t *args) |
| 715 | { |
| 716 | char *batch_name; |
| 717 | char *src_name = NULL; |
| 718 | char *dst_name = NULL; |
| 719 | void *param = NULL; |
| 720 | int ret = 0; |
| 721 | int rc = -ENOMEM; |
| 722 | |
| 723 | if (!args->lstio_tes_resultp || |
| 724 | !args->lstio_tes_retp || |
| 725 | !args->lstio_tes_bat_name || /* no specified batch */ |
| 726 | args->lstio_tes_bat_nmlen <= 0 || |
| 727 | args->lstio_tes_bat_nmlen > LST_NAME_SIZE || |
| 728 | !args->lstio_tes_sgrp_name || /* no source group */ |
| 729 | args->lstio_tes_sgrp_nmlen <= 0 || |
| 730 | args->lstio_tes_sgrp_nmlen > LST_NAME_SIZE || |
| 731 | !args->lstio_tes_dgrp_name || /* no target group */ |
| 732 | args->lstio_tes_dgrp_nmlen <= 0 || |
| 733 | args->lstio_tes_dgrp_nmlen > LST_NAME_SIZE) |
| 734 | return -EINVAL; |
| 735 | |
| 736 | if (!args->lstio_tes_loop || /* negative is infinite */ |
| 737 | args->lstio_tes_concur <= 0 || |
| 738 | args->lstio_tes_dist <= 0 || |
| 739 | args->lstio_tes_span <= 0) |
| 740 | return -EINVAL; |
| 741 | |
| 742 | /* have parameter, check if parameter length is valid */ |
| 743 | if (args->lstio_tes_param && |
| 744 | (args->lstio_tes_param_len <= 0 || |
| 745 | args->lstio_tes_param_len > |
| 746 | PAGE_SIZE - sizeof(lstcon_test_t))) |
| 747 | return -EINVAL; |
| 748 | |
| 749 | LIBCFS_ALLOC(batch_name, args->lstio_tes_bat_nmlen + 1); |
| 750 | if (!batch_name) |
| 751 | return rc; |
| 752 | |
| 753 | LIBCFS_ALLOC(src_name, args->lstio_tes_sgrp_nmlen + 1); |
| 754 | if (!src_name) |
| 755 | goto out; |
| 756 | |
| 757 | LIBCFS_ALLOC(dst_name, args->lstio_tes_dgrp_nmlen + 1); |
| 758 | if (!dst_name) |
| 759 | goto out; |
| 760 | |
| 761 | if (args->lstio_tes_param) { |
| 762 | LIBCFS_ALLOC(param, args->lstio_tes_param_len); |
| 763 | if (!param) |
| 764 | goto out; |
| 765 | if (copy_from_user(param, args->lstio_tes_param, |
| 766 | args->lstio_tes_param_len)) { |
| 767 | rc = -EFAULT; |
| 768 | goto out; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | rc = -EFAULT; |
| 773 | if (copy_from_user(batch_name, args->lstio_tes_bat_name, |
| 774 | args->lstio_tes_bat_nmlen) || |
| 775 | copy_from_user(src_name, args->lstio_tes_sgrp_name, |
| 776 | args->lstio_tes_sgrp_nmlen) || |
| 777 | copy_from_user(dst_name, args->lstio_tes_dgrp_name, |
| 778 | args->lstio_tes_dgrp_nmlen)) |
| 779 | goto out; |
| 780 | |
| 781 | rc = lstcon_test_add(batch_name, args->lstio_tes_type, |
| 782 | args->lstio_tes_loop, args->lstio_tes_concur, |
| 783 | args->lstio_tes_dist, args->lstio_tes_span, |
| 784 | src_name, dst_name, param, |
| 785 | args->lstio_tes_param_len, |
| 786 | &ret, args->lstio_tes_resultp); |
| 787 | |
| 788 | if (ret) |
| 789 | rc = (copy_to_user(args->lstio_tes_retp, &ret, |
| 790 | sizeof(ret))) ? -EFAULT : 0; |
| 791 | out: |
| 792 | if (batch_name) |
| 793 | LIBCFS_FREE(batch_name, args->lstio_tes_bat_nmlen + 1); |
| 794 | |
| 795 | if (src_name) |
| 796 | LIBCFS_FREE(src_name, args->lstio_tes_sgrp_nmlen + 1); |
| 797 | |
| 798 | if (dst_name) |
| 799 | LIBCFS_FREE(dst_name, args->lstio_tes_dgrp_nmlen + 1); |
| 800 | |
| 801 | if (param) |
| 802 | LIBCFS_FREE(param, args->lstio_tes_param_len); |
| 803 | |
| 804 | return rc; |
| 805 | } |
| 806 | |
| 807 | int |
| 808 | lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_hdr *hdr) |
| 809 | { |
| 810 | char *buf; |
| 811 | struct libcfs_ioctl_data *data; |
| 812 | int opc; |
| 813 | int rc; |
| 814 | |
| 815 | if (cmd != IOC_LIBCFS_LNETST) |
| 816 | return -EINVAL; |
| 817 | |
| 818 | data = container_of(hdr, struct libcfs_ioctl_data, ioc_hdr); |
| 819 | |
| 820 | opc = data->ioc_u32[0]; |
| 821 | |
| 822 | if (data->ioc_plen1 > PAGE_SIZE) |
| 823 | return -EINVAL; |
| 824 | |
| 825 | LIBCFS_ALLOC(buf, data->ioc_plen1); |
| 826 | if (!buf) |
| 827 | return -ENOMEM; |
| 828 | |
| 829 | /* copy in parameter */ |
| 830 | if (copy_from_user(buf, data->ioc_pbuf1, data->ioc_plen1)) { |
| 831 | LIBCFS_FREE(buf, data->ioc_plen1); |
| 832 | return -EFAULT; |
| 833 | } |
| 834 | |
| 835 | mutex_lock(&console_session.ses_mutex); |
| 836 | |
| 837 | console_session.ses_laststamp = ktime_get_real_seconds(); |
| 838 | |
| 839 | if (console_session.ses_shutdown) { |
| 840 | rc = -ESHUTDOWN; |
| 841 | goto out; |
| 842 | } |
| 843 | |
| 844 | if (console_session.ses_expired) |
| 845 | lstcon_session_end(); |
| 846 | |
| 847 | if (opc != LSTIO_SESSION_NEW && |
| 848 | console_session.ses_state == LST_SESSION_NONE) { |
| 849 | CDEBUG(D_NET, "LST no active session\n"); |
| 850 | rc = -ESRCH; |
| 851 | goto out; |
| 852 | } |
| 853 | |
| 854 | memset(&console_session.ses_trans_stat, 0, sizeof(lstcon_trans_stat_t)); |
| 855 | |
| 856 | switch (opc) { |
| 857 | case LSTIO_SESSION_NEW: |
| 858 | rc = lst_session_new_ioctl((lstio_session_new_args_t *)buf); |
| 859 | break; |
| 860 | case LSTIO_SESSION_END: |
| 861 | rc = lst_session_end_ioctl((lstio_session_end_args_t *)buf); |
| 862 | break; |
| 863 | case LSTIO_SESSION_INFO: |
| 864 | rc = lst_session_info_ioctl((lstio_session_info_args_t *)buf); |
| 865 | break; |
| 866 | case LSTIO_DEBUG: |
| 867 | rc = lst_debug_ioctl((lstio_debug_args_t *)buf); |
| 868 | break; |
| 869 | case LSTIO_GROUP_ADD: |
| 870 | rc = lst_group_add_ioctl((lstio_group_add_args_t *)buf); |
| 871 | break; |
| 872 | case LSTIO_GROUP_DEL: |
| 873 | rc = lst_group_del_ioctl((lstio_group_del_args_t *)buf); |
| 874 | break; |
| 875 | case LSTIO_GROUP_UPDATE: |
| 876 | rc = lst_group_update_ioctl((lstio_group_update_args_t *)buf); |
| 877 | break; |
| 878 | case LSTIO_NODES_ADD: |
| 879 | rc = lst_nodes_add_ioctl((lstio_group_nodes_args_t *)buf); |
| 880 | break; |
| 881 | case LSTIO_GROUP_LIST: |
| 882 | rc = lst_group_list_ioctl((lstio_group_list_args_t *)buf); |
| 883 | break; |
| 884 | case LSTIO_GROUP_INFO: |
| 885 | rc = lst_group_info_ioctl((lstio_group_info_args_t *)buf); |
| 886 | break; |
| 887 | case LSTIO_BATCH_ADD: |
| 888 | rc = lst_batch_add_ioctl((lstio_batch_add_args_t *)buf); |
| 889 | break; |
| 890 | case LSTIO_BATCH_START: |
| 891 | rc = lst_batch_run_ioctl((lstio_batch_run_args_t *)buf); |
| 892 | break; |
| 893 | case LSTIO_BATCH_STOP: |
| 894 | rc = lst_batch_stop_ioctl((lstio_batch_stop_args_t *)buf); |
| 895 | break; |
| 896 | case LSTIO_BATCH_QUERY: |
| 897 | rc = lst_batch_query_ioctl((lstio_batch_query_args_t *)buf); |
| 898 | break; |
| 899 | case LSTIO_BATCH_LIST: |
| 900 | rc = lst_batch_list_ioctl((lstio_batch_list_args_t *)buf); |
| 901 | break; |
| 902 | case LSTIO_BATCH_INFO: |
| 903 | rc = lst_batch_info_ioctl((lstio_batch_info_args_t *)buf); |
| 904 | break; |
| 905 | case LSTIO_TEST_ADD: |
| 906 | rc = lst_test_add_ioctl((lstio_test_args_t *)buf); |
| 907 | break; |
| 908 | case LSTIO_STAT_QUERY: |
| 909 | rc = lst_stat_query_ioctl((lstio_stat_args_t *)buf); |
| 910 | break; |
| 911 | default: |
| 912 | rc = -EINVAL; |
| 913 | } |
| 914 | |
| 915 | if (copy_to_user(data->ioc_pbuf2, &console_session.ses_trans_stat, |
| 916 | sizeof(lstcon_trans_stat_t))) |
| 917 | rc = -EFAULT; |
| 918 | out: |
| 919 | mutex_unlock(&console_session.ses_mutex); |
| 920 | |
| 921 | LIBCFS_FREE(buf, data->ioc_plen1); |
| 922 | |
| 923 | return rc; |
| 924 | } |