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-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_stats.c838
1 files changed, 838 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
new file mode 100644
index 000000000..5f831e3bd
--- /dev/null
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
@@ -0,0 +1,838 @@
+/* This file is part of the Emulex RoCE Device Driver for
+ * RoCE (RDMA over Converged Ethernet) adapters.
+ * Copyright (C) 2012-2015 Emulex. All rights reserved.
+ * EMULEX and SLI are trademarks of Emulex.
+ * www.emulex.com
+ *
+ * This software is available to you under a choice of one of two licenses.
+ * You may choose to be licensed under the terms of the GNU General Public
+ * License (GPL) Version 2, available from the file COPYING in the main
+ * directory of this source tree, or the BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Contact Information:
+ * linux-drivers@emulex.com
+ *
+ * Emulex
+ * 3333 Susan Street
+ * Costa Mesa, CA 92626
+ */
+
+#include <rdma/ib_addr.h>
+#include <rdma/ib_pma.h>
+#include "ocrdma_stats.h"
+
+static struct dentry *ocrdma_dbgfs_dir;
+
+static int ocrdma_add_stat(char *start, char *pcur,
+ char *name, u64 count)
+{
+ char buff[128] = {0};
+ int cpy_len = 0;
+
+ snprintf(buff, 128, "%s: %llu\n", name, count);
+ cpy_len = strlen(buff);
+
+ if (pcur + cpy_len > start + OCRDMA_MAX_DBGFS_MEM) {
+ pr_err("%s: No space in stats buff\n", __func__);
+ return 0;
+ }
+
+ memcpy(pcur, buff, cpy_len);
+ return cpy_len;
+}
+
+bool ocrdma_alloc_stats_resources(struct ocrdma_dev *dev)
+{
+ struct stats_mem *mem = &dev->stats_mem;
+
+ mutex_init(&dev->stats_lock);
+ /* Alloc mbox command mem*/
+ mem->size = max_t(u32, sizeof(struct ocrdma_rdma_stats_req),
+ sizeof(struct ocrdma_rdma_stats_resp));
+
+ mem->va = dma_alloc_coherent(&dev->nic_info.pdev->dev, mem->size,
+ &mem->pa, GFP_KERNEL);
+ if (!mem->va) {
+ pr_err("%s: stats mbox allocation failed\n", __func__);
+ return false;
+ }
+
+ /* Alloc debugfs mem */
+ mem->debugfs_mem = kzalloc(OCRDMA_MAX_DBGFS_MEM, GFP_KERNEL);
+ if (!mem->debugfs_mem)
+ return false;
+
+ return true;
+}
+
+void ocrdma_release_stats_resources(struct ocrdma_dev *dev)
+{
+ struct stats_mem *mem = &dev->stats_mem;
+
+ if (mem->va)
+ dma_free_coherent(&dev->nic_info.pdev->dev, mem->size,
+ mem->va, mem->pa);
+ mem->va = NULL;
+ kfree(mem->debugfs_mem);
+}
+
+static char *ocrdma_resource_stats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rsrc_stats *rsrc_stats = &rdma_stats->act_rsrc_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "active_dpp_pds",
+ (u64)rsrc_stats->dpp_pds);
+ pcur += ocrdma_add_stat(stats, pcur, "active_non_dpp_pds",
+ (u64)rsrc_stats->non_dpp_pds);
+ pcur += ocrdma_add_stat(stats, pcur, "active_rc_dpp_qps",
+ (u64)rsrc_stats->rc_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_uc_dpp_qps",
+ (u64)rsrc_stats->uc_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_ud_dpp_qps",
+ (u64)rsrc_stats->ud_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_rc_non_dpp_qps",
+ (u64)rsrc_stats->rc_non_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_uc_non_dpp_qps",
+ (u64)rsrc_stats->uc_non_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_ud_non_dpp_qps",
+ (u64)rsrc_stats->ud_non_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_srqs",
+ (u64)rsrc_stats->srqs);
+ pcur += ocrdma_add_stat(stats, pcur, "active_rbqs",
+ (u64)rsrc_stats->rbqs);
+ pcur += ocrdma_add_stat(stats, pcur, "active_64K_nsmr",
+ (u64)rsrc_stats->r64K_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_64K_to_2M_nsmr",
+ (u64)rsrc_stats->r64K_to_2M_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_2M_to_44M_nsmr",
+ (u64)rsrc_stats->r2M_to_44M_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_44M_to_1G_nsmr",
+ (u64)rsrc_stats->r44M_to_1G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_1G_to_4G_nsmr",
+ (u64)rsrc_stats->r1G_to_4G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_nsmr_count_4G_to_32G",
+ (u64)rsrc_stats->nsmr_count_4G_to_32G);
+ pcur += ocrdma_add_stat(stats, pcur, "active_32G_to_64G_nsmr",
+ (u64)rsrc_stats->r32G_to_64G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_64G_to_128G_nsmr",
+ (u64)rsrc_stats->r64G_to_128G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_128G_to_higher_nsmr",
+ (u64)rsrc_stats->r128G_to_higher_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_embedded_nsmr",
+ (u64)rsrc_stats->embedded_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_frmr",
+ (u64)rsrc_stats->frmr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_prefetch_qps",
+ (u64)rsrc_stats->prefetch_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_ondemand_qps",
+ (u64)rsrc_stats->ondemand_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "active_phy_mr",
+ (u64)rsrc_stats->phy_mr);
+ pcur += ocrdma_add_stat(stats, pcur, "active_mw",
+ (u64)rsrc_stats->mw);
+
+ /* Print the threshold stats */
+ rsrc_stats = &rdma_stats->th_rsrc_stats;
+
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_dpp_pds",
+ (u64)rsrc_stats->dpp_pds);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_non_dpp_pds",
+ (u64)rsrc_stats->non_dpp_pds);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_rc_dpp_qps",
+ (u64)rsrc_stats->rc_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_uc_dpp_qps",
+ (u64)rsrc_stats->uc_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_ud_dpp_qps",
+ (u64)rsrc_stats->ud_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_rc_non_dpp_qps",
+ (u64)rsrc_stats->rc_non_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_uc_non_dpp_qps",
+ (u64)rsrc_stats->uc_non_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_ud_non_dpp_qps",
+ (u64)rsrc_stats->ud_non_dpp_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_srqs",
+ (u64)rsrc_stats->srqs);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_rbqs",
+ (u64)rsrc_stats->rbqs);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_64K_nsmr",
+ (u64)rsrc_stats->r64K_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_64K_to_2M_nsmr",
+ (u64)rsrc_stats->r64K_to_2M_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_2M_to_44M_nsmr",
+ (u64)rsrc_stats->r2M_to_44M_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_44M_to_1G_nsmr",
+ (u64)rsrc_stats->r44M_to_1G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_1G_to_4G_nsmr",
+ (u64)rsrc_stats->r1G_to_4G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_nsmr_count_4G_to_32G",
+ (u64)rsrc_stats->nsmr_count_4G_to_32G);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_32G_to_64G_nsmr",
+ (u64)rsrc_stats->r32G_to_64G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_64G_to_128G_nsmr",
+ (u64)rsrc_stats->r64G_to_128G_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_128G_to_higher_nsmr",
+ (u64)rsrc_stats->r128G_to_higher_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_embedded_nsmr",
+ (u64)rsrc_stats->embedded_nsmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_frmr",
+ (u64)rsrc_stats->frmr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_prefetch_qps",
+ (u64)rsrc_stats->prefetch_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_ondemand_qps",
+ (u64)rsrc_stats->ondemand_qps);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_phy_mr",
+ (u64)rsrc_stats->phy_mr);
+ pcur += ocrdma_add_stat(stats, pcur, "threshold_mw",
+ (u64)rsrc_stats->mw);
+ return stats;
+}
+
+static char *ocrdma_rx_stats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat
+ (stats, pcur, "roce_frame_bytes",
+ convert_to_64bit(rx_stats->roce_frame_bytes_lo,
+ rx_stats->roce_frame_bytes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "roce_frame_icrc_drops",
+ (u64)rx_stats->roce_frame_icrc_drops);
+ pcur += ocrdma_add_stat(stats, pcur, "roce_frame_payload_len_drops",
+ (u64)rx_stats->roce_frame_payload_len_drops);
+ pcur += ocrdma_add_stat(stats, pcur, "ud_drops",
+ (u64)rx_stats->ud_drops);
+ pcur += ocrdma_add_stat(stats, pcur, "qp1_drops",
+ (u64)rx_stats->qp1_drops);
+ pcur += ocrdma_add_stat(stats, pcur, "psn_error_request_packets",
+ (u64)rx_stats->psn_error_request_packets);
+ pcur += ocrdma_add_stat(stats, pcur, "psn_error_resp_packets",
+ (u64)rx_stats->psn_error_resp_packets);
+ pcur += ocrdma_add_stat(stats, pcur, "rnr_nak_timeouts",
+ (u64)rx_stats->rnr_nak_timeouts);
+ pcur += ocrdma_add_stat(stats, pcur, "rnr_nak_receives",
+ (u64)rx_stats->rnr_nak_receives);
+ pcur += ocrdma_add_stat(stats, pcur, "roce_frame_rxmt_drops",
+ (u64)rx_stats->roce_frame_rxmt_drops);
+ pcur += ocrdma_add_stat(stats, pcur, "nak_count_psn_sequence_errors",
+ (u64)rx_stats->nak_count_psn_sequence_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "rc_drop_count_lookup_errors",
+ (u64)rx_stats->rc_drop_count_lookup_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "rq_rnr_naks",
+ (u64)rx_stats->rq_rnr_naks);
+ pcur += ocrdma_add_stat(stats, pcur, "srq_rnr_naks",
+ (u64)rx_stats->srq_rnr_naks);
+ pcur += ocrdma_add_stat(stats, pcur, "roce_frames",
+ convert_to_64bit(rx_stats->roce_frames_lo,
+ rx_stats->roce_frames_hi));
+
+ return stats;
+}
+
+static u64 ocrdma_sysfs_rcv_pkts(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats;
+
+ return convert_to_64bit(rx_stats->roce_frames_lo,
+ rx_stats->roce_frames_hi) + (u64)rx_stats->roce_frame_icrc_drops
+ + (u64)rx_stats->roce_frame_payload_len_drops;
+}
+
+static u64 ocrdma_sysfs_rcv_data(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats;
+
+ return (convert_to_64bit(rx_stats->roce_frame_bytes_lo,
+ rx_stats->roce_frame_bytes_hi))/4;
+}
+
+static char *ocrdma_tx_stats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "send_pkts",
+ convert_to_64bit(tx_stats->send_pkts_lo,
+ tx_stats->send_pkts_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "write_pkts",
+ convert_to_64bit(tx_stats->write_pkts_lo,
+ tx_stats->write_pkts_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "read_pkts",
+ convert_to_64bit(tx_stats->read_pkts_lo,
+ tx_stats->read_pkts_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "read_rsp_pkts",
+ convert_to_64bit(tx_stats->read_rsp_pkts_lo,
+ tx_stats->read_rsp_pkts_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "ack_pkts",
+ convert_to_64bit(tx_stats->ack_pkts_lo,
+ tx_stats->ack_pkts_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "send_bytes",
+ convert_to_64bit(tx_stats->send_bytes_lo,
+ tx_stats->send_bytes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "write_bytes",
+ convert_to_64bit(tx_stats->write_bytes_lo,
+ tx_stats->write_bytes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "read_req_bytes",
+ convert_to_64bit(tx_stats->read_req_bytes_lo,
+ tx_stats->read_req_bytes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "read_rsp_bytes",
+ convert_to_64bit(tx_stats->read_rsp_bytes_lo,
+ tx_stats->read_rsp_bytes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "ack_timeouts",
+ (u64)tx_stats->ack_timeouts);
+
+ return stats;
+}
+
+static u64 ocrdma_sysfs_xmit_pkts(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats;
+
+ return (convert_to_64bit(tx_stats->send_pkts_lo,
+ tx_stats->send_pkts_hi) +
+ convert_to_64bit(tx_stats->write_pkts_lo, tx_stats->write_pkts_hi) +
+ convert_to_64bit(tx_stats->read_pkts_lo, tx_stats->read_pkts_hi) +
+ convert_to_64bit(tx_stats->read_rsp_pkts_lo,
+ tx_stats->read_rsp_pkts_hi) +
+ convert_to_64bit(tx_stats->ack_pkts_lo, tx_stats->ack_pkts_hi));
+}
+
+static u64 ocrdma_sysfs_xmit_data(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats;
+
+ return (convert_to_64bit(tx_stats->send_bytes_lo,
+ tx_stats->send_bytes_hi) +
+ convert_to_64bit(tx_stats->write_bytes_lo,
+ tx_stats->write_bytes_hi) +
+ convert_to_64bit(tx_stats->read_req_bytes_lo,
+ tx_stats->read_req_bytes_hi) +
+ convert_to_64bit(tx_stats->read_rsp_bytes_lo,
+ tx_stats->read_rsp_bytes_hi))/4;
+}
+
+static char *ocrdma_wqe_stats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_wqe_stats *wqe_stats = &rdma_stats->wqe_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "large_send_rc_wqes",
+ convert_to_64bit(wqe_stats->large_send_rc_wqes_lo,
+ wqe_stats->large_send_rc_wqes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "large_write_rc_wqes",
+ convert_to_64bit(wqe_stats->large_write_rc_wqes_lo,
+ wqe_stats->large_write_rc_wqes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "read_wqes",
+ convert_to_64bit(wqe_stats->read_wqes_lo,
+ wqe_stats->read_wqes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "frmr_wqes",
+ convert_to_64bit(wqe_stats->frmr_wqes_lo,
+ wqe_stats->frmr_wqes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "mw_bind_wqes",
+ convert_to_64bit(wqe_stats->mw_bind_wqes_lo,
+ wqe_stats->mw_bind_wqes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "invalidate_wqes",
+ convert_to_64bit(wqe_stats->invalidate_wqes_lo,
+ wqe_stats->invalidate_wqes_hi));
+ pcur += ocrdma_add_stat(stats, pcur, "dpp_wqe_drops",
+ (u64)wqe_stats->dpp_wqe_drops);
+ return stats;
+}
+
+static char *ocrdma_db_errstats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_db_err_stats *db_err_stats = &rdma_stats->db_err_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "sq_doorbell_errors",
+ (u64)db_err_stats->sq_doorbell_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "cq_doorbell_errors",
+ (u64)db_err_stats->cq_doorbell_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "rq_srq_doorbell_errors",
+ (u64)db_err_stats->rq_srq_doorbell_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "cq_overflow_errors",
+ (u64)db_err_stats->cq_overflow_errors);
+ return stats;
+}
+
+static char *ocrdma_rxqp_errstats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_qp_err_stats *rx_qp_err_stats =
+ &rdma_stats->rx_qp_err_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "nak_invalid_request_errors",
+ (u64)rx_qp_err_stats->nak_invalid_request_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "nak_remote_operation_errors",
+ (u64)rx_qp_err_stats->nak_remote_operation_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "nak_count_remote_access_errors",
+ (u64)rx_qp_err_stats->nak_count_remote_access_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "local_length_errors",
+ (u64)rx_qp_err_stats->local_length_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "local_protection_errors",
+ (u64)rx_qp_err_stats->local_protection_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "local_qp_operation_errors",
+ (u64)rx_qp_err_stats->local_qp_operation_errors);
+ return stats;
+}
+
+static char *ocrdma_txqp_errstats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_qp_err_stats *tx_qp_err_stats =
+ &rdma_stats->tx_qp_err_stats;
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "local_length_errors",
+ (u64)tx_qp_err_stats->local_length_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "local_protection_errors",
+ (u64)tx_qp_err_stats->local_protection_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "local_qp_operation_errors",
+ (u64)tx_qp_err_stats->local_qp_operation_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "retry_count_exceeded_errors",
+ (u64)tx_qp_err_stats->retry_count_exceeded_errors);
+ pcur += ocrdma_add_stat(stats, pcur, "rnr_retry_count_exceeded_errors",
+ (u64)tx_qp_err_stats->rnr_retry_count_exceeded_errors);
+ return stats;
+}
+
+static char *ocrdma_tx_dbg_stats(struct ocrdma_dev *dev)
+{
+ int i;
+ char *pstats = dev->stats_mem.debugfs_mem;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_dbg_stats *tx_dbg_stats =
+ &rdma_stats->tx_dbg_stats;
+
+ memset(pstats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ for (i = 0; i < 100; i++)
+ pstats += snprintf(pstats, 80, "DW[%d] = 0x%x\n", i,
+ tx_dbg_stats->data[i]);
+
+ return dev->stats_mem.debugfs_mem;
+}
+
+static char *ocrdma_rx_dbg_stats(struct ocrdma_dev *dev)
+{
+ int i;
+ char *pstats = dev->stats_mem.debugfs_mem;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_dbg_stats *rx_dbg_stats =
+ &rdma_stats->rx_dbg_stats;
+
+ memset(pstats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ for (i = 0; i < 200; i++)
+ pstats += snprintf(pstats, 80, "DW[%d] = 0x%x\n", i,
+ rx_dbg_stats->data[i]);
+
+ return dev->stats_mem.debugfs_mem;
+}
+
+static char *ocrdma_driver_dbg_stats(struct ocrdma_dev *dev)
+{
+ char *stats = dev->stats_mem.debugfs_mem, *pcur;
+
+
+ memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+ pcur = stats;
+ pcur += ocrdma_add_stat(stats, pcur, "async_cq_err",
+ (u64)(dev->async_err_stats
+ [OCRDMA_CQ_ERROR].counter));
+ pcur += ocrdma_add_stat(stats, pcur, "async_cq_overrun_err",
+ (u64)dev->async_err_stats
+ [OCRDMA_CQ_OVERRUN_ERROR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_cq_qpcat_err",
+ (u64)dev->async_err_stats
+ [OCRDMA_CQ_QPCAT_ERROR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_qp_access_err",
+ (u64)dev->async_err_stats
+ [OCRDMA_QP_ACCESS_ERROR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_qp_commm_est_evt",
+ (u64)dev->async_err_stats
+ [OCRDMA_QP_COMM_EST_EVENT].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_sq_drained_evt",
+ (u64)dev->async_err_stats
+ [OCRDMA_SQ_DRAINED_EVENT].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_dev_fatal_evt",
+ (u64)dev->async_err_stats
+ [OCRDMA_DEVICE_FATAL_EVENT].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_srqcat_err",
+ (u64)dev->async_err_stats
+ [OCRDMA_SRQCAT_ERROR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_srq_limit_evt",
+ (u64)dev->async_err_stats
+ [OCRDMA_SRQ_LIMIT_EVENT].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "async_qp_last_wqe_evt",
+ (u64)dev->async_err_stats
+ [OCRDMA_QP_LAST_WQE_EVENT].counter);
+
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_len_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_LOC_LEN_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_qp_op_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_LOC_QP_OP_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_eec_op_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_LOC_EEC_OP_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_prot_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_LOC_PROT_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_wr_flush_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_WR_FLUSH_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_mw_bind_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_MW_BIND_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_bad_resp_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_BAD_RESP_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_access_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_LOC_ACCESS_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_inv_req_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_REM_INV_REQ_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_access_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_REM_ACCESS_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_op_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_REM_OP_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_retry_exc_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_RETRY_EXC_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_rnr_retry_exc_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_RNR_RETRY_EXC_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_loc_rdd_viol_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_LOC_RDD_VIOL_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_inv_rd_req_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_REM_INV_RD_REQ_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_rem_abort_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_REM_ABORT_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_inv_eecn_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_INV_EECN_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_inv_eec_state_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_INV_EEC_STATE_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_fatal_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_FATAL_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_resp_timeout_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_RESP_TIMEOUT_ERR].counter);
+ pcur += ocrdma_add_stat(stats, pcur, "cqe_general_err",
+ (u64)dev->cqe_err_stats
+ [OCRDMA_CQE_GENERAL_ERR].counter);
+ return stats;
+}
+
+static void ocrdma_update_stats(struct ocrdma_dev *dev)
+{
+ ulong now = jiffies, secs;
+ int status;
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rsrc_stats *rsrc_stats = &rdma_stats->act_rsrc_stats;
+
+ secs = jiffies_to_msecs(now - dev->last_stats_time) / 1000U;
+ if (secs) {
+ /* update */
+ status = ocrdma_mbx_rdma_stats(dev, false);
+ if (status)
+ pr_err("%s: stats mbox failed with status = %d\n",
+ __func__, status);
+ /* Update PD counters from PD resource manager */
+ if (dev->pd_mgr->pd_prealloc_valid) {
+ rsrc_stats->dpp_pds = dev->pd_mgr->pd_dpp_count;
+ rsrc_stats->non_dpp_pds = dev->pd_mgr->pd_norm_count;
+ /* Threshold stata*/
+ rsrc_stats = &rdma_stats->th_rsrc_stats;
+ rsrc_stats->dpp_pds = dev->pd_mgr->pd_dpp_thrsh;
+ rsrc_stats->non_dpp_pds = dev->pd_mgr->pd_norm_thrsh;
+ }
+ dev->last_stats_time = jiffies;
+ }
+}
+
+static ssize_t ocrdma_dbgfs_ops_write(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ char tmp_str[32];
+ long reset;
+ int status;
+ struct ocrdma_stats *pstats = filp->private_data;
+ struct ocrdma_dev *dev = pstats->dev;
+
+ if (*ppos != 0 || count == 0 || count > sizeof(tmp_str))
+ goto err;
+
+ if (copy_from_user(tmp_str, buffer, count))
+ goto err;
+
+ tmp_str[count-1] = '\0';
+ if (kstrtol(tmp_str, 10, &reset))
+ goto err;
+
+ switch (pstats->type) {
+ case OCRDMA_RESET_STATS:
+ if (reset) {
+ status = ocrdma_mbx_rdma_stats(dev, true);
+ if (status) {
+ pr_err("Failed to reset stats = %d\n", status);
+ goto err;
+ }
+ }
+ break;
+ default:
+ goto err;
+ }
+
+ return count;
+err:
+ return -EFAULT;
+}
+
+void ocrdma_pma_counters(struct ocrdma_dev *dev, struct ib_mad *out_mad)
+{
+ struct ib_pma_portcounters *pma_cnt;
+
+ pma_cnt = (void *)(out_mad->data + 40);
+ ocrdma_update_stats(dev);
+
+ pma_cnt->port_xmit_data = cpu_to_be32(ocrdma_sysfs_xmit_data(dev));
+ pma_cnt->port_rcv_data = cpu_to_be32(ocrdma_sysfs_rcv_data(dev));
+ pma_cnt->port_xmit_packets = cpu_to_be32(ocrdma_sysfs_xmit_pkts(dev));
+ pma_cnt->port_rcv_packets = cpu_to_be32(ocrdma_sysfs_rcv_pkts(dev));
+}
+
+static ssize_t ocrdma_dbgfs_ops_read(struct file *filp, char __user *buffer,
+ size_t usr_buf_len, loff_t *ppos)
+{
+ struct ocrdma_stats *pstats = filp->private_data;
+ struct ocrdma_dev *dev = pstats->dev;
+ ssize_t status = 0;
+ char *data = NULL;
+
+ /* No partial reads */
+ if (*ppos != 0)
+ return 0;
+
+ mutex_lock(&dev->stats_lock);
+
+ ocrdma_update_stats(dev);
+
+ switch (pstats->type) {
+ case OCRDMA_RSRC_STATS:
+ data = ocrdma_resource_stats(dev);
+ break;
+ case OCRDMA_RXSTATS:
+ data = ocrdma_rx_stats(dev);
+ break;
+ case OCRDMA_WQESTATS:
+ data = ocrdma_wqe_stats(dev);
+ break;
+ case OCRDMA_TXSTATS:
+ data = ocrdma_tx_stats(dev);
+ break;
+ case OCRDMA_DB_ERRSTATS:
+ data = ocrdma_db_errstats(dev);
+ break;
+ case OCRDMA_RXQP_ERRSTATS:
+ data = ocrdma_rxqp_errstats(dev);
+ break;
+ case OCRDMA_TXQP_ERRSTATS:
+ data = ocrdma_txqp_errstats(dev);
+ break;
+ case OCRDMA_TX_DBG_STATS:
+ data = ocrdma_tx_dbg_stats(dev);
+ break;
+ case OCRDMA_RX_DBG_STATS:
+ data = ocrdma_rx_dbg_stats(dev);
+ break;
+ case OCRDMA_DRV_STATS:
+ data = ocrdma_driver_dbg_stats(dev);
+ break;
+
+ default:
+ status = -EFAULT;
+ goto exit;
+ }
+
+ if (usr_buf_len < strlen(data)) {
+ status = -ENOSPC;
+ goto exit;
+ }
+
+ status = simple_read_from_buffer(buffer, usr_buf_len, ppos, data,
+ strlen(data));
+exit:
+ mutex_unlock(&dev->stats_lock);
+ return status;
+}
+
+static const struct file_operations ocrdma_dbg_ops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = ocrdma_dbgfs_ops_read,
+ .write = ocrdma_dbgfs_ops_write,
+};
+
+void ocrdma_add_port_stats(struct ocrdma_dev *dev)
+{
+ const struct pci_dev *pdev = dev->nic_info.pdev;
+
+ if (!ocrdma_dbgfs_dir)
+ return;
+
+ /* Create post stats base dir */
+ dev->dir = debugfs_create_dir(pci_name(pdev), ocrdma_dbgfs_dir);
+
+ dev->rsrc_stats.type = OCRDMA_RSRC_STATS;
+ dev->rsrc_stats.dev = dev;
+ debugfs_create_file("resource_stats", S_IRUSR, dev->dir,
+ &dev->rsrc_stats, &ocrdma_dbg_ops);
+
+ dev->rx_stats.type = OCRDMA_RXSTATS;
+ dev->rx_stats.dev = dev;
+ debugfs_create_file("rx_stats", S_IRUSR, dev->dir, &dev->rx_stats,
+ &ocrdma_dbg_ops);
+
+ dev->wqe_stats.type = OCRDMA_WQESTATS;
+ dev->wqe_stats.dev = dev;
+ debugfs_create_file("wqe_stats", S_IRUSR, dev->dir, &dev->wqe_stats,
+ &ocrdma_dbg_ops);
+
+ dev->tx_stats.type = OCRDMA_TXSTATS;
+ dev->tx_stats.dev = dev;
+ debugfs_create_file("tx_stats", S_IRUSR, dev->dir, &dev->tx_stats,
+ &ocrdma_dbg_ops);
+
+ dev->db_err_stats.type = OCRDMA_DB_ERRSTATS;
+ dev->db_err_stats.dev = dev;
+ debugfs_create_file("db_err_stats", S_IRUSR, dev->dir,
+ &dev->db_err_stats, &ocrdma_dbg_ops);
+
+ dev->tx_qp_err_stats.type = OCRDMA_TXQP_ERRSTATS;
+ dev->tx_qp_err_stats.dev = dev;
+ debugfs_create_file("tx_qp_err_stats", S_IRUSR, dev->dir,
+ &dev->tx_qp_err_stats, &ocrdma_dbg_ops);
+
+ dev->rx_qp_err_stats.type = OCRDMA_RXQP_ERRSTATS;
+ dev->rx_qp_err_stats.dev = dev;
+ debugfs_create_file("rx_qp_err_stats", S_IRUSR, dev->dir,
+ &dev->rx_qp_err_stats, &ocrdma_dbg_ops);
+
+ dev->tx_dbg_stats.type = OCRDMA_TX_DBG_STATS;
+ dev->tx_dbg_stats.dev = dev;
+ debugfs_create_file("tx_dbg_stats", S_IRUSR, dev->dir,
+ &dev->tx_dbg_stats, &ocrdma_dbg_ops);
+
+ dev->rx_dbg_stats.type = OCRDMA_RX_DBG_STATS;
+ dev->rx_dbg_stats.dev = dev;
+ debugfs_create_file("rx_dbg_stats", S_IRUSR, dev->dir,
+ &dev->rx_dbg_stats, &ocrdma_dbg_ops);
+
+ dev->driver_stats.type = OCRDMA_DRV_STATS;
+ dev->driver_stats.dev = dev;
+ debugfs_create_file("driver_dbg_stats", S_IRUSR, dev->dir,
+ &dev->driver_stats, &ocrdma_dbg_ops);
+
+ dev->reset_stats.type = OCRDMA_RESET_STATS;
+ dev->reset_stats.dev = dev;
+ debugfs_create_file("reset_stats", 0200, dev->dir, &dev->reset_stats,
+ &ocrdma_dbg_ops);
+}
+
+void ocrdma_rem_port_stats(struct ocrdma_dev *dev)
+{
+ debugfs_remove_recursive(dev->dir);
+}
+
+void ocrdma_init_debugfs(void)
+{
+ /* Create base dir in debugfs root dir */
+ ocrdma_dbgfs_dir = debugfs_create_dir("ocrdma", NULL);
+}
+
+void ocrdma_rem_debugfs(void)
+{
+ debugfs_remove_recursive(ocrdma_dbgfs_dir);
+}