1 /* This file is part of the Emulex RoCE Device Driver for 2 * RoCE (RDMA over Converged Ethernet) adapters. 3 * Copyright (C) 2012-2015 Emulex. All rights reserved. 4 * EMULEX and SLI are trademarks of Emulex. 5 * www.emulex.com 6 * 7 * This software is available to you under a choice of one of two licenses. 8 * You may choose to be licensed under the terms of the GNU General Public 9 * License (GPL) Version 2, available from the file COPYING in the main 10 * directory of this source tree, or the BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 16 * - Redistributions of source code must retain the above copyright notice, 17 * this list of conditions and the following disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in 21 * the documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 * Contact Information: 36 * linux-drivers@emulex.com 37 * 38 * Emulex 39 * 3333 Susan Street 40 * Costa Mesa, CA 92626 41 */ 42 43 #include <rdma/ib_addr.h> 44 #include <rdma/ib_pma.h> 45 #include "ocrdma_stats.h" 46 47 static struct dentry *ocrdma_dbgfs_dir; 48 49 static int ocrdma_add_stat(char *start, char *pcur, 50 char *name, u64 count) 51 { 52 char buff[128] = {0}; 53 int cpy_len = 0; 54 55 snprintf(buff, 128, "%s: %llu\n", name, count); 56 cpy_len = strlen(buff); 57 58 if (pcur + cpy_len > start + OCRDMA_MAX_DBGFS_MEM) { 59 pr_err("%s: No space in stats buff\n", __func__); 60 return 0; 61 } 62 63 memcpy(pcur, buff, cpy_len); 64 return cpy_len; 65 } 66 67 static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev) 68 { 69 struct stats_mem *mem = &dev->stats_mem; 70 71 /* Alloc mbox command mem*/ 72 mem->size = max_t(u32, sizeof(struct ocrdma_rdma_stats_req), 73 sizeof(struct ocrdma_rdma_stats_resp)); 74 75 mem->va = dma_alloc_coherent(&dev->nic_info.pdev->dev, mem->size, 76 &mem->pa, GFP_KERNEL); 77 if (!mem->va) { 78 pr_err("%s: stats mbox allocation failed\n", __func__); 79 return false; 80 } 81 82 memset(mem->va, 0, mem->size); 83 84 /* Alloc debugfs mem */ 85 mem->debugfs_mem = kzalloc(OCRDMA_MAX_DBGFS_MEM, GFP_KERNEL); 86 if (!mem->debugfs_mem) { 87 pr_err("%s: stats debugfs mem allocation failed\n", __func__); 88 return false; 89 } 90 91 return true; 92 } 93 94 static void ocrdma_release_stats_mem(struct ocrdma_dev *dev) 95 { 96 struct stats_mem *mem = &dev->stats_mem; 97 98 if (mem->va) 99 dma_free_coherent(&dev->nic_info.pdev->dev, mem->size, 100 mem->va, mem->pa); 101 kfree(mem->debugfs_mem); 102 } 103 104 static char *ocrdma_resource_stats(struct ocrdma_dev *dev) 105 { 106 char *stats = dev->stats_mem.debugfs_mem, *pcur; 107 struct ocrdma_rdma_stats_resp *rdma_stats = 108 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 109 struct ocrdma_rsrc_stats *rsrc_stats = &rdma_stats->act_rsrc_stats; 110 111 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 112 113 pcur = stats; 114 pcur += ocrdma_add_stat(stats, pcur, "active_dpp_pds", 115 (u64)rsrc_stats->dpp_pds); 116 pcur += ocrdma_add_stat(stats, pcur, "active_non_dpp_pds", 117 (u64)rsrc_stats->non_dpp_pds); 118 pcur += ocrdma_add_stat(stats, pcur, "active_rc_dpp_qps", 119 (u64)rsrc_stats->rc_dpp_qps); 120 pcur += ocrdma_add_stat(stats, pcur, "active_uc_dpp_qps", 121 (u64)rsrc_stats->uc_dpp_qps); 122 pcur += ocrdma_add_stat(stats, pcur, "active_ud_dpp_qps", 123 (u64)rsrc_stats->ud_dpp_qps); 124 pcur += ocrdma_add_stat(stats, pcur, "active_rc_non_dpp_qps", 125 (u64)rsrc_stats->rc_non_dpp_qps); 126 pcur += ocrdma_add_stat(stats, pcur, "active_uc_non_dpp_qps", 127 (u64)rsrc_stats->uc_non_dpp_qps); 128 pcur += ocrdma_add_stat(stats, pcur, "active_ud_non_dpp_qps", 129 (u64)rsrc_stats->ud_non_dpp_qps); 130 pcur += ocrdma_add_stat(stats, pcur, "active_srqs", 131 (u64)rsrc_stats->srqs); 132 pcur += ocrdma_add_stat(stats, pcur, "active_rbqs", 133 (u64)rsrc_stats->rbqs); 134 pcur += ocrdma_add_stat(stats, pcur, "active_64K_nsmr", 135 (u64)rsrc_stats->r64K_nsmr); 136 pcur += ocrdma_add_stat(stats, pcur, "active_64K_to_2M_nsmr", 137 (u64)rsrc_stats->r64K_to_2M_nsmr); 138 pcur += ocrdma_add_stat(stats, pcur, "active_2M_to_44M_nsmr", 139 (u64)rsrc_stats->r2M_to_44M_nsmr); 140 pcur += ocrdma_add_stat(stats, pcur, "active_44M_to_1G_nsmr", 141 (u64)rsrc_stats->r44M_to_1G_nsmr); 142 pcur += ocrdma_add_stat(stats, pcur, "active_1G_to_4G_nsmr", 143 (u64)rsrc_stats->r1G_to_4G_nsmr); 144 pcur += ocrdma_add_stat(stats, pcur, "active_nsmr_count_4G_to_32G", 145 (u64)rsrc_stats->nsmr_count_4G_to_32G); 146 pcur += ocrdma_add_stat(stats, pcur, "active_32G_to_64G_nsmr", 147 (u64)rsrc_stats->r32G_to_64G_nsmr); 148 pcur += ocrdma_add_stat(stats, pcur, "active_64G_to_128G_nsmr", 149 (u64)rsrc_stats->r64G_to_128G_nsmr); 150 pcur += ocrdma_add_stat(stats, pcur, "active_128G_to_higher_nsmr", 151 (u64)rsrc_stats->r128G_to_higher_nsmr); 152 pcur += ocrdma_add_stat(stats, pcur, "active_embedded_nsmr", 153 (u64)rsrc_stats->embedded_nsmr); 154 pcur += ocrdma_add_stat(stats, pcur, "active_frmr", 155 (u64)rsrc_stats->frmr); 156 pcur += ocrdma_add_stat(stats, pcur, "active_prefetch_qps", 157 (u64)rsrc_stats->prefetch_qps); 158 pcur += ocrdma_add_stat(stats, pcur, "active_ondemand_qps", 159 (u64)rsrc_stats->ondemand_qps); 160 pcur += ocrdma_add_stat(stats, pcur, "active_phy_mr", 161 (u64)rsrc_stats->phy_mr); 162 pcur += ocrdma_add_stat(stats, pcur, "active_mw", 163 (u64)rsrc_stats->mw); 164 165 /* Print the threshold stats */ 166 rsrc_stats = &rdma_stats->th_rsrc_stats; 167 168 pcur += ocrdma_add_stat(stats, pcur, "threshold_dpp_pds", 169 (u64)rsrc_stats->dpp_pds); 170 pcur += ocrdma_add_stat(stats, pcur, "threshold_non_dpp_pds", 171 (u64)rsrc_stats->non_dpp_pds); 172 pcur += ocrdma_add_stat(stats, pcur, "threshold_rc_dpp_qps", 173 (u64)rsrc_stats->rc_dpp_qps); 174 pcur += ocrdma_add_stat(stats, pcur, "threshold_uc_dpp_qps", 175 (u64)rsrc_stats->uc_dpp_qps); 176 pcur += ocrdma_add_stat(stats, pcur, "threshold_ud_dpp_qps", 177 (u64)rsrc_stats->ud_dpp_qps); 178 pcur += ocrdma_add_stat(stats, pcur, "threshold_rc_non_dpp_qps", 179 (u64)rsrc_stats->rc_non_dpp_qps); 180 pcur += ocrdma_add_stat(stats, pcur, "threshold_uc_non_dpp_qps", 181 (u64)rsrc_stats->uc_non_dpp_qps); 182 pcur += ocrdma_add_stat(stats, pcur, "threshold_ud_non_dpp_qps", 183 (u64)rsrc_stats->ud_non_dpp_qps); 184 pcur += ocrdma_add_stat(stats, pcur, "threshold_srqs", 185 (u64)rsrc_stats->srqs); 186 pcur += ocrdma_add_stat(stats, pcur, "threshold_rbqs", 187 (u64)rsrc_stats->rbqs); 188 pcur += ocrdma_add_stat(stats, pcur, "threshold_64K_nsmr", 189 (u64)rsrc_stats->r64K_nsmr); 190 pcur += ocrdma_add_stat(stats, pcur, "threshold_64K_to_2M_nsmr", 191 (u64)rsrc_stats->r64K_to_2M_nsmr); 192 pcur += ocrdma_add_stat(stats, pcur, "threshold_2M_to_44M_nsmr", 193 (u64)rsrc_stats->r2M_to_44M_nsmr); 194 pcur += ocrdma_add_stat(stats, pcur, "threshold_44M_to_1G_nsmr", 195 (u64)rsrc_stats->r44M_to_1G_nsmr); 196 pcur += ocrdma_add_stat(stats, pcur, "threshold_1G_to_4G_nsmr", 197 (u64)rsrc_stats->r1G_to_4G_nsmr); 198 pcur += ocrdma_add_stat(stats, pcur, "threshold_nsmr_count_4G_to_32G", 199 (u64)rsrc_stats->nsmr_count_4G_to_32G); 200 pcur += ocrdma_add_stat(stats, pcur, "threshold_32G_to_64G_nsmr", 201 (u64)rsrc_stats->r32G_to_64G_nsmr); 202 pcur += ocrdma_add_stat(stats, pcur, "threshold_64G_to_128G_nsmr", 203 (u64)rsrc_stats->r64G_to_128G_nsmr); 204 pcur += ocrdma_add_stat(stats, pcur, "threshold_128G_to_higher_nsmr", 205 (u64)rsrc_stats->r128G_to_higher_nsmr); 206 pcur += ocrdma_add_stat(stats, pcur, "threshold_embedded_nsmr", 207 (u64)rsrc_stats->embedded_nsmr); 208 pcur += ocrdma_add_stat(stats, pcur, "threshold_frmr", 209 (u64)rsrc_stats->frmr); 210 pcur += ocrdma_add_stat(stats, pcur, "threshold_prefetch_qps", 211 (u64)rsrc_stats->prefetch_qps); 212 pcur += ocrdma_add_stat(stats, pcur, "threshold_ondemand_qps", 213 (u64)rsrc_stats->ondemand_qps); 214 pcur += ocrdma_add_stat(stats, pcur, "threshold_phy_mr", 215 (u64)rsrc_stats->phy_mr); 216 pcur += ocrdma_add_stat(stats, pcur, "threshold_mw", 217 (u64)rsrc_stats->mw); 218 return stats; 219 } 220 221 static char *ocrdma_rx_stats(struct ocrdma_dev *dev) 222 { 223 char *stats = dev->stats_mem.debugfs_mem, *pcur; 224 struct ocrdma_rdma_stats_resp *rdma_stats = 225 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 226 struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats; 227 228 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 229 230 pcur = stats; 231 pcur += ocrdma_add_stat 232 (stats, pcur, "roce_frame_bytes", 233 convert_to_64bit(rx_stats->roce_frame_bytes_lo, 234 rx_stats->roce_frame_bytes_hi)); 235 pcur += ocrdma_add_stat(stats, pcur, "roce_frame_icrc_drops", 236 (u64)rx_stats->roce_frame_icrc_drops); 237 pcur += ocrdma_add_stat(stats, pcur, "roce_frame_payload_len_drops", 238 (u64)rx_stats->roce_frame_payload_len_drops); 239 pcur += ocrdma_add_stat(stats, pcur, "ud_drops", 240 (u64)rx_stats->ud_drops); 241 pcur += ocrdma_add_stat(stats, pcur, "qp1_drops", 242 (u64)rx_stats->qp1_drops); 243 pcur += ocrdma_add_stat(stats, pcur, "psn_error_request_packets", 244 (u64)rx_stats->psn_error_request_packets); 245 pcur += ocrdma_add_stat(stats, pcur, "psn_error_resp_packets", 246 (u64)rx_stats->psn_error_resp_packets); 247 pcur += ocrdma_add_stat(stats, pcur, "rnr_nak_timeouts", 248 (u64)rx_stats->rnr_nak_timeouts); 249 pcur += ocrdma_add_stat(stats, pcur, "rnr_nak_receives", 250 (u64)rx_stats->rnr_nak_receives); 251 pcur += ocrdma_add_stat(stats, pcur, "roce_frame_rxmt_drops", 252 (u64)rx_stats->roce_frame_rxmt_drops); 253 pcur += ocrdma_add_stat(stats, pcur, "nak_count_psn_sequence_errors", 254 (u64)rx_stats->nak_count_psn_sequence_errors); 255 pcur += ocrdma_add_stat(stats, pcur, "rc_drop_count_lookup_errors", 256 (u64)rx_stats->rc_drop_count_lookup_errors); 257 pcur += ocrdma_add_stat(stats, pcur, "rq_rnr_naks", 258 (u64)rx_stats->rq_rnr_naks); 259 pcur += ocrdma_add_stat(stats, pcur, "srq_rnr_naks", 260 (u64)rx_stats->srq_rnr_naks); 261 pcur += ocrdma_add_stat(stats, pcur, "roce_frames", 262 convert_to_64bit(rx_stats->roce_frames_lo, 263 rx_stats->roce_frames_hi)); 264 265 return stats; 266 } 267 268 static u64 ocrdma_sysfs_rcv_pkts(struct ocrdma_dev *dev) 269 { 270 struct ocrdma_rdma_stats_resp *rdma_stats = 271 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 272 struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats; 273 274 return convert_to_64bit(rx_stats->roce_frames_lo, 275 rx_stats->roce_frames_hi) + (u64)rx_stats->roce_frame_icrc_drops 276 + (u64)rx_stats->roce_frame_payload_len_drops; 277 } 278 279 static u64 ocrdma_sysfs_rcv_data(struct ocrdma_dev *dev) 280 { 281 struct ocrdma_rdma_stats_resp *rdma_stats = 282 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 283 struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats; 284 285 return (convert_to_64bit(rx_stats->roce_frame_bytes_lo, 286 rx_stats->roce_frame_bytes_hi))/4; 287 } 288 289 static char *ocrdma_tx_stats(struct ocrdma_dev *dev) 290 { 291 char *stats = dev->stats_mem.debugfs_mem, *pcur; 292 struct ocrdma_rdma_stats_resp *rdma_stats = 293 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 294 struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats; 295 296 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 297 298 pcur = stats; 299 pcur += ocrdma_add_stat(stats, pcur, "send_pkts", 300 convert_to_64bit(tx_stats->send_pkts_lo, 301 tx_stats->send_pkts_hi)); 302 pcur += ocrdma_add_stat(stats, pcur, "write_pkts", 303 convert_to_64bit(tx_stats->write_pkts_lo, 304 tx_stats->write_pkts_hi)); 305 pcur += ocrdma_add_stat(stats, pcur, "read_pkts", 306 convert_to_64bit(tx_stats->read_pkts_lo, 307 tx_stats->read_pkts_hi)); 308 pcur += ocrdma_add_stat(stats, pcur, "read_rsp_pkts", 309 convert_to_64bit(tx_stats->read_rsp_pkts_lo, 310 tx_stats->read_rsp_pkts_hi)); 311 pcur += ocrdma_add_stat(stats, pcur, "ack_pkts", 312 convert_to_64bit(tx_stats->ack_pkts_lo, 313 tx_stats->ack_pkts_hi)); 314 pcur += ocrdma_add_stat(stats, pcur, "send_bytes", 315 convert_to_64bit(tx_stats->send_bytes_lo, 316 tx_stats->send_bytes_hi)); 317 pcur += ocrdma_add_stat(stats, pcur, "write_bytes", 318 convert_to_64bit(tx_stats->write_bytes_lo, 319 tx_stats->write_bytes_hi)); 320 pcur += ocrdma_add_stat(stats, pcur, "read_req_bytes", 321 convert_to_64bit(tx_stats->read_req_bytes_lo, 322 tx_stats->read_req_bytes_hi)); 323 pcur += ocrdma_add_stat(stats, pcur, "read_rsp_bytes", 324 convert_to_64bit(tx_stats->read_rsp_bytes_lo, 325 tx_stats->read_rsp_bytes_hi)); 326 pcur += ocrdma_add_stat(stats, pcur, "ack_timeouts", 327 (u64)tx_stats->ack_timeouts); 328 329 return stats; 330 } 331 332 static u64 ocrdma_sysfs_xmit_pkts(struct ocrdma_dev *dev) 333 { 334 struct ocrdma_rdma_stats_resp *rdma_stats = 335 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 336 struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats; 337 338 return (convert_to_64bit(tx_stats->send_pkts_lo, 339 tx_stats->send_pkts_hi) + 340 convert_to_64bit(tx_stats->write_pkts_lo, tx_stats->write_pkts_hi) + 341 convert_to_64bit(tx_stats->read_pkts_lo, tx_stats->read_pkts_hi) + 342 convert_to_64bit(tx_stats->read_rsp_pkts_lo, 343 tx_stats->read_rsp_pkts_hi) + 344 convert_to_64bit(tx_stats->ack_pkts_lo, tx_stats->ack_pkts_hi)); 345 } 346 347 static u64 ocrdma_sysfs_xmit_data(struct ocrdma_dev *dev) 348 { 349 struct ocrdma_rdma_stats_resp *rdma_stats = 350 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 351 struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats; 352 353 return (convert_to_64bit(tx_stats->send_bytes_lo, 354 tx_stats->send_bytes_hi) + 355 convert_to_64bit(tx_stats->write_bytes_lo, 356 tx_stats->write_bytes_hi) + 357 convert_to_64bit(tx_stats->read_req_bytes_lo, 358 tx_stats->read_req_bytes_hi) + 359 convert_to_64bit(tx_stats->read_rsp_bytes_lo, 360 tx_stats->read_rsp_bytes_hi))/4; 361 } 362 363 static char *ocrdma_wqe_stats(struct ocrdma_dev *dev) 364 { 365 char *stats = dev->stats_mem.debugfs_mem, *pcur; 366 struct ocrdma_rdma_stats_resp *rdma_stats = 367 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 368 struct ocrdma_wqe_stats *wqe_stats = &rdma_stats->wqe_stats; 369 370 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 371 372 pcur = stats; 373 pcur += ocrdma_add_stat(stats, pcur, "large_send_rc_wqes", 374 convert_to_64bit(wqe_stats->large_send_rc_wqes_lo, 375 wqe_stats->large_send_rc_wqes_hi)); 376 pcur += ocrdma_add_stat(stats, pcur, "large_write_rc_wqes", 377 convert_to_64bit(wqe_stats->large_write_rc_wqes_lo, 378 wqe_stats->large_write_rc_wqes_hi)); 379 pcur += ocrdma_add_stat(stats, pcur, "read_wqes", 380 convert_to_64bit(wqe_stats->read_wqes_lo, 381 wqe_stats->read_wqes_hi)); 382 pcur += ocrdma_add_stat(stats, pcur, "frmr_wqes", 383 convert_to_64bit(wqe_stats->frmr_wqes_lo, 384 wqe_stats->frmr_wqes_hi)); 385 pcur += ocrdma_add_stat(stats, pcur, "mw_bind_wqes", 386 convert_to_64bit(wqe_stats->mw_bind_wqes_lo, 387 wqe_stats->mw_bind_wqes_hi)); 388 pcur += ocrdma_add_stat(stats, pcur, "invalidate_wqes", 389 convert_to_64bit(wqe_stats->invalidate_wqes_lo, 390 wqe_stats->invalidate_wqes_hi)); 391 pcur += ocrdma_add_stat(stats, pcur, "dpp_wqe_drops", 392 (u64)wqe_stats->dpp_wqe_drops); 393 return stats; 394 } 395 396 static char *ocrdma_db_errstats(struct ocrdma_dev *dev) 397 { 398 char *stats = dev->stats_mem.debugfs_mem, *pcur; 399 struct ocrdma_rdma_stats_resp *rdma_stats = 400 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 401 struct ocrdma_db_err_stats *db_err_stats = &rdma_stats->db_err_stats; 402 403 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 404 405 pcur = stats; 406 pcur += ocrdma_add_stat(stats, pcur, "sq_doorbell_errors", 407 (u64)db_err_stats->sq_doorbell_errors); 408 pcur += ocrdma_add_stat(stats, pcur, "cq_doorbell_errors", 409 (u64)db_err_stats->cq_doorbell_errors); 410 pcur += ocrdma_add_stat(stats, pcur, "rq_srq_doorbell_errors", 411 (u64)db_err_stats->rq_srq_doorbell_errors); 412 pcur += ocrdma_add_stat(stats, pcur, "cq_overflow_errors", 413 (u64)db_err_stats->cq_overflow_errors); 414 return stats; 415 } 416 417 static char *ocrdma_rxqp_errstats(struct ocrdma_dev *dev) 418 { 419 char *stats = dev->stats_mem.debugfs_mem, *pcur; 420 struct ocrdma_rdma_stats_resp *rdma_stats = 421 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 422 struct ocrdma_rx_qp_err_stats *rx_qp_err_stats = 423 &rdma_stats->rx_qp_err_stats; 424 425 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 426 427 pcur = stats; 428 pcur += ocrdma_add_stat(stats, pcur, "nak_invalid_requst_errors", 429 (u64)rx_qp_err_stats->nak_invalid_requst_errors); 430 pcur += ocrdma_add_stat(stats, pcur, "nak_remote_operation_errors", 431 (u64)rx_qp_err_stats->nak_remote_operation_errors); 432 pcur += ocrdma_add_stat(stats, pcur, "nak_count_remote_access_errors", 433 (u64)rx_qp_err_stats->nak_count_remote_access_errors); 434 pcur += ocrdma_add_stat(stats, pcur, "local_length_errors", 435 (u64)rx_qp_err_stats->local_length_errors); 436 pcur += ocrdma_add_stat(stats, pcur, "local_protection_errors", 437 (u64)rx_qp_err_stats->local_protection_errors); 438 pcur += ocrdma_add_stat(stats, pcur, "local_qp_operation_errors", 439 (u64)rx_qp_err_stats->local_qp_operation_errors); 440 return stats; 441 } 442 443 static char *ocrdma_txqp_errstats(struct ocrdma_dev *dev) 444 { 445 char *stats = dev->stats_mem.debugfs_mem, *pcur; 446 struct ocrdma_rdma_stats_resp *rdma_stats = 447 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 448 struct ocrdma_tx_qp_err_stats *tx_qp_err_stats = 449 &rdma_stats->tx_qp_err_stats; 450 451 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 452 453 pcur = stats; 454 pcur += ocrdma_add_stat(stats, pcur, "local_length_errors", 455 (u64)tx_qp_err_stats->local_length_errors); 456 pcur += ocrdma_add_stat(stats, pcur, "local_protection_errors", 457 (u64)tx_qp_err_stats->local_protection_errors); 458 pcur += ocrdma_add_stat(stats, pcur, "local_qp_operation_errors", 459 (u64)tx_qp_err_stats->local_qp_operation_errors); 460 pcur += ocrdma_add_stat(stats, pcur, "retry_count_exceeded_errors", 461 (u64)tx_qp_err_stats->retry_count_exceeded_errors); 462 pcur += ocrdma_add_stat(stats, pcur, "rnr_retry_count_exceeded_errors", 463 (u64)tx_qp_err_stats->rnr_retry_count_exceeded_errors); 464 return stats; 465 } 466 467 static char *ocrdma_tx_dbg_stats(struct ocrdma_dev *dev) 468 { 469 int i; 470 char *pstats = dev->stats_mem.debugfs_mem; 471 struct ocrdma_rdma_stats_resp *rdma_stats = 472 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 473 struct ocrdma_tx_dbg_stats *tx_dbg_stats = 474 &rdma_stats->tx_dbg_stats; 475 476 memset(pstats, 0, (OCRDMA_MAX_DBGFS_MEM)); 477 478 for (i = 0; i < 100; i++) 479 pstats += snprintf(pstats, 80, "DW[%d] = 0x%x\n", i, 480 tx_dbg_stats->data[i]); 481 482 return dev->stats_mem.debugfs_mem; 483 } 484 485 static char *ocrdma_rx_dbg_stats(struct ocrdma_dev *dev) 486 { 487 int i; 488 char *pstats = dev->stats_mem.debugfs_mem; 489 struct ocrdma_rdma_stats_resp *rdma_stats = 490 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 491 struct ocrdma_rx_dbg_stats *rx_dbg_stats = 492 &rdma_stats->rx_dbg_stats; 493 494 memset(pstats, 0, (OCRDMA_MAX_DBGFS_MEM)); 495 496 for (i = 0; i < 200; i++) 497 pstats += snprintf(pstats, 80, "DW[%d] = 0x%x\n", i, 498 rx_dbg_stats->data[i]); 499 500 return dev->stats_mem.debugfs_mem; 501 } 502 503 static char *ocrdma_driver_dbg_stats(struct ocrdma_dev *dev) 504 { 505 char *stats = dev->stats_mem.debugfs_mem, *pcur; 506 507 508 memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM)); 509 510 pcur = stats; 511 pcur += ocrdma_add_stat(stats, pcur, "async_cq_err", 512 (u64)(dev->async_err_stats 513 [OCRDMA_CQ_ERROR].counter)); 514 pcur += ocrdma_add_stat(stats, pcur, "async_cq_overrun_err", 515 (u64)dev->async_err_stats 516 [OCRDMA_CQ_OVERRUN_ERROR].counter); 517 pcur += ocrdma_add_stat(stats, pcur, "async_cq_qpcat_err", 518 (u64)dev->async_err_stats 519 [OCRDMA_CQ_QPCAT_ERROR].counter); 520 pcur += ocrdma_add_stat(stats, pcur, "async_qp_access_err", 521 (u64)dev->async_err_stats 522 [OCRDMA_QP_ACCESS_ERROR].counter); 523 pcur += ocrdma_add_stat(stats, pcur, "async_qp_commm_est_evt", 524 (u64)dev->async_err_stats 525 [OCRDMA_QP_COMM_EST_EVENT].counter); 526 pcur += ocrdma_add_stat(stats, pcur, "async_sq_drained_evt", 527 (u64)dev->async_err_stats 528 [OCRDMA_SQ_DRAINED_EVENT].counter); 529 pcur += ocrdma_add_stat(stats, pcur, "async_dev_fatal_evt", 530 (u64)dev->async_err_stats 531 [OCRDMA_DEVICE_FATAL_EVENT].counter); 532 pcur += ocrdma_add_stat(stats, pcur, "async_srqcat_err", 533 (u64)dev->async_err_stats 534 [OCRDMA_SRQCAT_ERROR].counter); 535 pcur += ocrdma_add_stat(stats, pcur, "async_srq_limit_evt", 536 (u64)dev->async_err_stats 537 [OCRDMA_SRQ_LIMIT_EVENT].counter); 538 pcur += ocrdma_add_stat(stats, pcur, "async_qp_last_wqe_evt", 539 (u64)dev->async_err_stats 540 [OCRDMA_QP_LAST_WQE_EVENT].counter); 541 542 pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_len_err", 543 (u64)dev->cqe_err_stats 544 [OCRDMA_CQE_LOC_LEN_ERR].counter); 545 pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_qp_op_err", 546 (u64)dev->cqe_err_stats 547 [OCRDMA_CQE_LOC_QP_OP_ERR].counter); 548 pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_eec_op_err", 549 (u64)dev->cqe_err_stats 550 [OCRDMA_CQE_LOC_EEC_OP_ERR].counter); 551 pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_prot_err", 552 (u64)dev->cqe_err_stats 553 [OCRDMA_CQE_LOC_PROT_ERR].counter); 554 pcur += ocrdma_add_stat(stats, pcur, "cqe_wr_flush_err", 555 (u64)dev->cqe_err_stats 556 [OCRDMA_CQE_WR_FLUSH_ERR].counter); 557 pcur += ocrdma_add_stat(stats, pcur, "cqe_mw_bind_err", 558 (u64)dev->cqe_err_stats 559 [OCRDMA_CQE_MW_BIND_ERR].counter); 560 pcur += ocrdma_add_stat(stats, pcur, "cqe_bad_resp_err", 561 (u64)dev->cqe_err_stats 562 [OCRDMA_CQE_BAD_RESP_ERR].counter); 563 pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_access_err", 564 (u64)dev->cqe_err_stats 565 [OCRDMA_CQE_LOC_ACCESS_ERR].counter); 566 pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_inv_req_err", 567 (u64)dev->cqe_err_stats 568 [OCRDMA_CQE_REM_INV_REQ_ERR].counter); 569 pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_access_err", 570 (u64)dev->cqe_err_stats 571 [OCRDMA_CQE_REM_ACCESS_ERR].counter); 572 pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_op_err", 573 (u64)dev->cqe_err_stats 574 [OCRDMA_CQE_REM_OP_ERR].counter); 575 pcur += ocrdma_add_stat(stats, pcur, "cqe_retry_exc_err", 576 (u64)dev->cqe_err_stats 577 [OCRDMA_CQE_RETRY_EXC_ERR].counter); 578 pcur += ocrdma_add_stat(stats, pcur, "cqe_rnr_retry_exc_err", 579 (u64)dev->cqe_err_stats 580 [OCRDMA_CQE_RNR_RETRY_EXC_ERR].counter); 581 pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_rdd_viol_err", 582 (u64)dev->cqe_err_stats 583 [OCRDMA_CQE_LOC_RDD_VIOL_ERR].counter); 584 pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_inv_rd_req_err", 585 (u64)dev->cqe_err_stats 586 [OCRDMA_CQE_REM_INV_RD_REQ_ERR].counter); 587 pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_abort_err", 588 (u64)dev->cqe_err_stats 589 [OCRDMA_CQE_REM_ABORT_ERR].counter); 590 pcur += ocrdma_add_stat(stats, pcur, "cqe_inv_eecn_err", 591 (u64)dev->cqe_err_stats 592 [OCRDMA_CQE_INV_EECN_ERR].counter); 593 pcur += ocrdma_add_stat(stats, pcur, "cqe_inv_eec_state_err", 594 (u64)dev->cqe_err_stats 595 [OCRDMA_CQE_INV_EEC_STATE_ERR].counter); 596 pcur += ocrdma_add_stat(stats, pcur, "cqe_fatal_err", 597 (u64)dev->cqe_err_stats 598 [OCRDMA_CQE_FATAL_ERR].counter); 599 pcur += ocrdma_add_stat(stats, pcur, "cqe_resp_timeout_err", 600 (u64)dev->cqe_err_stats 601 [OCRDMA_CQE_RESP_TIMEOUT_ERR].counter); 602 pcur += ocrdma_add_stat(stats, pcur, "cqe_general_err", 603 (u64)dev->cqe_err_stats 604 [OCRDMA_CQE_GENERAL_ERR].counter); 605 return stats; 606 } 607 608 static void ocrdma_update_stats(struct ocrdma_dev *dev) 609 { 610 ulong now = jiffies, secs; 611 int status = 0; 612 struct ocrdma_rdma_stats_resp *rdma_stats = 613 (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va; 614 struct ocrdma_rsrc_stats *rsrc_stats = &rdma_stats->act_rsrc_stats; 615 616 secs = jiffies_to_msecs(now - dev->last_stats_time) / 1000U; 617 if (secs) { 618 /* update */ 619 status = ocrdma_mbx_rdma_stats(dev, false); 620 if (status) 621 pr_err("%s: stats mbox failed with status = %d\n", 622 __func__, status); 623 /* Update PD counters from PD resource manager */ 624 if (dev->pd_mgr->pd_prealloc_valid) { 625 rsrc_stats->dpp_pds = dev->pd_mgr->pd_dpp_count; 626 rsrc_stats->non_dpp_pds = dev->pd_mgr->pd_norm_count; 627 /* Threshold stata*/ 628 rsrc_stats = &rdma_stats->th_rsrc_stats; 629 rsrc_stats->dpp_pds = dev->pd_mgr->pd_dpp_thrsh; 630 rsrc_stats->non_dpp_pds = dev->pd_mgr->pd_norm_thrsh; 631 } 632 dev->last_stats_time = jiffies; 633 } 634 } 635 636 static ssize_t ocrdma_dbgfs_ops_write(struct file *filp, 637 const char __user *buffer, 638 size_t count, loff_t *ppos) 639 { 640 char tmp_str[32]; 641 long reset; 642 int status = 0; 643 struct ocrdma_stats *pstats = filp->private_data; 644 struct ocrdma_dev *dev = pstats->dev; 645 646 if (count > 32) 647 goto err; 648 649 if (copy_from_user(tmp_str, buffer, count)) 650 goto err; 651 652 tmp_str[count-1] = '\0'; 653 if (kstrtol(tmp_str, 10, &reset)) 654 goto err; 655 656 switch (pstats->type) { 657 case OCRDMA_RESET_STATS: 658 if (reset) { 659 status = ocrdma_mbx_rdma_stats(dev, true); 660 if (status) { 661 pr_err("Failed to reset stats = %d", status); 662 goto err; 663 } 664 } 665 break; 666 default: 667 goto err; 668 } 669 670 return count; 671 err: 672 return -EFAULT; 673 } 674 675 int ocrdma_pma_counters(struct ocrdma_dev *dev, 676 struct ib_mad *out_mad) 677 { 678 struct ib_pma_portcounters *pma_cnt; 679 680 memset(out_mad->data, 0, sizeof out_mad->data); 681 pma_cnt = (void *)(out_mad->data + 40); 682 ocrdma_update_stats(dev); 683 684 pma_cnt->port_xmit_data = cpu_to_be32(ocrdma_sysfs_xmit_data(dev)); 685 pma_cnt->port_rcv_data = cpu_to_be32(ocrdma_sysfs_rcv_data(dev)); 686 pma_cnt->port_xmit_packets = cpu_to_be32(ocrdma_sysfs_xmit_pkts(dev)); 687 pma_cnt->port_rcv_packets = cpu_to_be32(ocrdma_sysfs_rcv_pkts(dev)); 688 return 0; 689 } 690 691 static ssize_t ocrdma_dbgfs_ops_read(struct file *filp, char __user *buffer, 692 size_t usr_buf_len, loff_t *ppos) 693 { 694 struct ocrdma_stats *pstats = filp->private_data; 695 struct ocrdma_dev *dev = pstats->dev; 696 ssize_t status = 0; 697 char *data = NULL; 698 699 /* No partial reads */ 700 if (*ppos != 0) 701 return 0; 702 703 mutex_lock(&dev->stats_lock); 704 705 ocrdma_update_stats(dev); 706 707 switch (pstats->type) { 708 case OCRDMA_RSRC_STATS: 709 data = ocrdma_resource_stats(dev); 710 break; 711 case OCRDMA_RXSTATS: 712 data = ocrdma_rx_stats(dev); 713 break; 714 case OCRDMA_WQESTATS: 715 data = ocrdma_wqe_stats(dev); 716 break; 717 case OCRDMA_TXSTATS: 718 data = ocrdma_tx_stats(dev); 719 break; 720 case OCRDMA_DB_ERRSTATS: 721 data = ocrdma_db_errstats(dev); 722 break; 723 case OCRDMA_RXQP_ERRSTATS: 724 data = ocrdma_rxqp_errstats(dev); 725 break; 726 case OCRDMA_TXQP_ERRSTATS: 727 data = ocrdma_txqp_errstats(dev); 728 break; 729 case OCRDMA_TX_DBG_STATS: 730 data = ocrdma_tx_dbg_stats(dev); 731 break; 732 case OCRDMA_RX_DBG_STATS: 733 data = ocrdma_rx_dbg_stats(dev); 734 break; 735 case OCRDMA_DRV_STATS: 736 data = ocrdma_driver_dbg_stats(dev); 737 break; 738 739 default: 740 status = -EFAULT; 741 goto exit; 742 } 743 744 if (usr_buf_len < strlen(data)) { 745 status = -ENOSPC; 746 goto exit; 747 } 748 749 status = simple_read_from_buffer(buffer, usr_buf_len, ppos, data, 750 strlen(data)); 751 exit: 752 mutex_unlock(&dev->stats_lock); 753 return status; 754 } 755 756 static const struct file_operations ocrdma_dbg_ops = { 757 .owner = THIS_MODULE, 758 .open = simple_open, 759 .read = ocrdma_dbgfs_ops_read, 760 .write = ocrdma_dbgfs_ops_write, 761 }; 762 763 void ocrdma_add_port_stats(struct ocrdma_dev *dev) 764 { 765 if (!ocrdma_dbgfs_dir) 766 return; 767 768 /* Create post stats base dir */ 769 dev->dir = debugfs_create_dir(dev->ibdev.name, ocrdma_dbgfs_dir); 770 if (!dev->dir) 771 goto err; 772 773 dev->rsrc_stats.type = OCRDMA_RSRC_STATS; 774 dev->rsrc_stats.dev = dev; 775 if (!debugfs_create_file("resource_stats", S_IRUSR, dev->dir, 776 &dev->rsrc_stats, &ocrdma_dbg_ops)) 777 goto err; 778 779 dev->rx_stats.type = OCRDMA_RXSTATS; 780 dev->rx_stats.dev = dev; 781 if (!debugfs_create_file("rx_stats", S_IRUSR, dev->dir, 782 &dev->rx_stats, &ocrdma_dbg_ops)) 783 goto err; 784 785 dev->wqe_stats.type = OCRDMA_WQESTATS; 786 dev->wqe_stats.dev = dev; 787 if (!debugfs_create_file("wqe_stats", S_IRUSR, dev->dir, 788 &dev->wqe_stats, &ocrdma_dbg_ops)) 789 goto err; 790 791 dev->tx_stats.type = OCRDMA_TXSTATS; 792 dev->tx_stats.dev = dev; 793 if (!debugfs_create_file("tx_stats", S_IRUSR, dev->dir, 794 &dev->tx_stats, &ocrdma_dbg_ops)) 795 goto err; 796 797 dev->db_err_stats.type = OCRDMA_DB_ERRSTATS; 798 dev->db_err_stats.dev = dev; 799 if (!debugfs_create_file("db_err_stats", S_IRUSR, dev->dir, 800 &dev->db_err_stats, &ocrdma_dbg_ops)) 801 goto err; 802 803 804 dev->tx_qp_err_stats.type = OCRDMA_TXQP_ERRSTATS; 805 dev->tx_qp_err_stats.dev = dev; 806 if (!debugfs_create_file("tx_qp_err_stats", S_IRUSR, dev->dir, 807 &dev->tx_qp_err_stats, &ocrdma_dbg_ops)) 808 goto err; 809 810 dev->rx_qp_err_stats.type = OCRDMA_RXQP_ERRSTATS; 811 dev->rx_qp_err_stats.dev = dev; 812 if (!debugfs_create_file("rx_qp_err_stats", S_IRUSR, dev->dir, 813 &dev->rx_qp_err_stats, &ocrdma_dbg_ops)) 814 goto err; 815 816 817 dev->tx_dbg_stats.type = OCRDMA_TX_DBG_STATS; 818 dev->tx_dbg_stats.dev = dev; 819 if (!debugfs_create_file("tx_dbg_stats", S_IRUSR, dev->dir, 820 &dev->tx_dbg_stats, &ocrdma_dbg_ops)) 821 goto err; 822 823 dev->rx_dbg_stats.type = OCRDMA_RX_DBG_STATS; 824 dev->rx_dbg_stats.dev = dev; 825 if (!debugfs_create_file("rx_dbg_stats", S_IRUSR, dev->dir, 826 &dev->rx_dbg_stats, &ocrdma_dbg_ops)) 827 goto err; 828 829 dev->driver_stats.type = OCRDMA_DRV_STATS; 830 dev->driver_stats.dev = dev; 831 if (!debugfs_create_file("driver_dbg_stats", S_IRUSR, dev->dir, 832 &dev->driver_stats, &ocrdma_dbg_ops)) 833 goto err; 834 835 dev->reset_stats.type = OCRDMA_RESET_STATS; 836 dev->reset_stats.dev = dev; 837 if (!debugfs_create_file("reset_stats", S_IRUSR, dev->dir, 838 &dev->reset_stats, &ocrdma_dbg_ops)) 839 goto err; 840 841 /* Now create dma_mem for stats mbx command */ 842 if (!ocrdma_alloc_stats_mem(dev)) 843 goto err; 844 845 mutex_init(&dev->stats_lock); 846 847 return; 848 err: 849 ocrdma_release_stats_mem(dev); 850 debugfs_remove_recursive(dev->dir); 851 dev->dir = NULL; 852 } 853 854 void ocrdma_rem_port_stats(struct ocrdma_dev *dev) 855 { 856 if (!dev->dir) 857 return; 858 debugfs_remove(dev->dir); 859 mutex_destroy(&dev->stats_lock); 860 ocrdma_release_stats_mem(dev); 861 } 862 863 void ocrdma_init_debugfs(void) 864 { 865 /* Create base dir in debugfs root dir */ 866 ocrdma_dbgfs_dir = debugfs_create_dir("ocrdma", NULL); 867 } 868 869 void ocrdma_rem_debugfs(void) 870 { 871 debugfs_remove_recursive(ocrdma_dbgfs_dir); 872 } 873