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94edd87a1c
In bnxt_qplib_map_tc2cos(), bnxt_qplib_rcfw_send_message() can return an error value but it is lost. Propagate this error to the callers. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Acked-By: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
866 lines
25 KiB
C
866 lines
25 KiB
C
/*
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* Broadcom NetXtreme-E RoCE driver.
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*
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* Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
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* Broadcom refers to Broadcom Limited and/or its subsidiaries.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* BSD license below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Description: Slow Path Operators
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*/
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#define dev_fmt(fmt) "QPLIB: " fmt
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#include <linux/interrupt.h>
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#include <linux/spinlock.h>
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#include <linux/sched.h>
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#include <linux/pci.h>
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#include "roce_hsi.h"
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#include "qplib_res.h"
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#include "qplib_rcfw.h"
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#include "qplib_sp.h"
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const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0 } };
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/* Device */
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static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
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char *fw_ver)
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{
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struct cmdq_query_version req;
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struct creq_query_version_resp resp;
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u16 cmd_flags = 0;
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int rc = 0;
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RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags);
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rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
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(void *)&resp, NULL, 0);
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if (rc)
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return;
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fw_ver[0] = resp.fw_maj;
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fw_ver[1] = resp.fw_minor;
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fw_ver[2] = resp.fw_bld;
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fw_ver[3] = resp.fw_rsvd;
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}
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int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
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struct bnxt_qplib_dev_attr *attr, bool vf)
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{
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struct cmdq_query_func req;
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struct creq_query_func_resp resp;
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struct bnxt_qplib_rcfw_sbuf *sbuf;
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struct creq_query_func_resp_sb *sb;
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u16 cmd_flags = 0;
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u32 temp;
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u8 *tqm_alloc;
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int i, rc = 0;
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RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
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sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
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if (!sbuf) {
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dev_err(&rcfw->pdev->dev,
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"SP: QUERY_FUNC alloc side buffer failed\n");
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return -ENOMEM;
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}
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sb = sbuf->sb;
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req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
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rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
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(void *)sbuf, 0);
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if (rc)
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goto bail;
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/* Extract the context from the side buffer */
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attr->max_qp = le32_to_cpu(sb->max_qp);
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/* max_qp value reported by FW for PF doesn't include the QP1 for PF */
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if (!vf)
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attr->max_qp += 1;
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attr->max_qp_rd_atom =
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sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
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BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
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attr->max_qp_init_rd_atom =
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sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
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BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
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attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
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/*
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* 128 WQEs needs to be reserved for the HW (8916). Prevent
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* reporting the max number
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*/
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attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS;
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attr->max_qp_sges = sb->max_sge;
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attr->max_cq = le32_to_cpu(sb->max_cq);
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attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
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attr->max_cq_sges = attr->max_qp_sges;
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attr->max_mr = le32_to_cpu(sb->max_mr);
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attr->max_mw = le32_to_cpu(sb->max_mw);
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attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
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attr->max_pd = 64 * 1024;
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attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
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attr->max_ah = le32_to_cpu(sb->max_ah);
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attr->max_fmr = le32_to_cpu(sb->max_fmr);
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attr->max_map_per_fmr = sb->max_map_per_fmr;
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attr->max_srq = le16_to_cpu(sb->max_srq);
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attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
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attr->max_srq_sges = sb->max_srq_sge;
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attr->max_pkey = le32_to_cpu(sb->max_pkeys);
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/*
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* Some versions of FW reports more than 0xFFFF.
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* Restrict it for now to 0xFFFF to avoid
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* reporting trucated value
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*/
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if (attr->max_pkey > 0xFFFF) {
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/* ib_port_attr::pkey_tbl_len is u16 */
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attr->max_pkey = 0xFFFF;
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}
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attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
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attr->l2_db_size = (sb->l2_db_space_size + 1) *
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(0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
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attr->max_sgid = le32_to_cpu(sb->max_gid);
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bnxt_qplib_query_version(rcfw, attr->fw_ver);
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for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
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temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
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tqm_alloc = (u8 *)&temp;
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attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
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attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
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attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
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attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
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}
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attr->is_atomic = false;
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bail:
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bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
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return rc;
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}
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int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
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struct bnxt_qplib_rcfw *rcfw,
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struct bnxt_qplib_ctx *ctx)
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{
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struct cmdq_set_func_resources req;
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struct creq_set_func_resources_resp resp;
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u16 cmd_flags = 0;
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int rc = 0;
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RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags);
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req.number_of_qp = cpu_to_le32(ctx->qpc_count);
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req.number_of_mrw = cpu_to_le32(ctx->mrw_count);
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req.number_of_srq = cpu_to_le32(ctx->srqc_count);
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req.number_of_cq = cpu_to_le32(ctx->cq_count);
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req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
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req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
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req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
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req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf);
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req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
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rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
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(void *)&resp,
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NULL, 0);
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if (rc) {
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dev_err(&res->pdev->dev, "Failed to set function resources\n");
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}
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return rc;
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}
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/* SGID */
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int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
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struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
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struct bnxt_qplib_gid *gid)
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{
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if (index >= sgid_tbl->max) {
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dev_err(&res->pdev->dev,
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"Index %d exceeded SGID table max (%d)\n",
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index, sgid_tbl->max);
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return -EINVAL;
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}
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memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid));
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return 0;
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}
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int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
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struct bnxt_qplib_gid *gid, bool update)
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{
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struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
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struct bnxt_qplib_res,
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sgid_tbl);
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struct bnxt_qplib_rcfw *rcfw = res->rcfw;
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int index;
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if (!sgid_tbl) {
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dev_err(&res->pdev->dev, "SGID table not allocated\n");
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return -EINVAL;
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}
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/* Do we need a sgid_lock here? */
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if (!sgid_tbl->active) {
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dev_err(&res->pdev->dev, "SGID table has no active entries\n");
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return -ENOMEM;
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}
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for (index = 0; index < sgid_tbl->max; index++) {
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if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid)))
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break;
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}
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if (index == sgid_tbl->max) {
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dev_warn(&res->pdev->dev, "GID not found in the SGID table\n");
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return 0;
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}
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/* Remove GID from the SGID table */
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if (update) {
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struct cmdq_delete_gid req;
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struct creq_delete_gid_resp resp;
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u16 cmd_flags = 0;
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int rc;
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RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
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if (sgid_tbl->hw_id[index] == 0xFFFF) {
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dev_err(&res->pdev->dev,
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"GID entry contains an invalid HW id\n");
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return -EINVAL;
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}
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req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
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rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
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(void *)&resp, NULL, 0);
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if (rc)
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return rc;
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}
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memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero,
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sizeof(bnxt_qplib_gid_zero));
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sgid_tbl->vlan[index] = 0;
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sgid_tbl->active--;
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dev_dbg(&res->pdev->dev,
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"SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n",
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index, sgid_tbl->hw_id[index], sgid_tbl->active);
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sgid_tbl->hw_id[index] = (u16)-1;
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/* unlock */
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return 0;
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}
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int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
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struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
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bool update, u32 *index)
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{
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struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
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struct bnxt_qplib_res,
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sgid_tbl);
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struct bnxt_qplib_rcfw *rcfw = res->rcfw;
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int i, free_idx;
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if (!sgid_tbl) {
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dev_err(&res->pdev->dev, "SGID table not allocated\n");
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return -EINVAL;
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}
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/* Do we need a sgid_lock here? */
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if (sgid_tbl->active == sgid_tbl->max) {
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dev_err(&res->pdev->dev, "SGID table is full\n");
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return -ENOMEM;
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}
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free_idx = sgid_tbl->max;
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for (i = 0; i < sgid_tbl->max; i++) {
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if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) {
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dev_dbg(&res->pdev->dev,
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"SGID entry already exist in entry %d!\n", i);
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*index = i;
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return -EALREADY;
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} else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
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sizeof(bnxt_qplib_gid_zero)) &&
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free_idx == sgid_tbl->max) {
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free_idx = i;
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}
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}
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if (free_idx == sgid_tbl->max) {
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dev_err(&res->pdev->dev,
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"SGID table is FULL but count is not MAX??\n");
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return -ENOMEM;
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}
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if (update) {
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struct cmdq_add_gid req;
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struct creq_add_gid_resp resp;
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u16 cmd_flags = 0;
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int rc;
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RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
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req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
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req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
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req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
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req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
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/*
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* driver should ensure that all RoCE traffic is always VLAN
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* tagged if RoCE traffic is running on non-zero VLAN ID or
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* RoCE traffic is running on non-zero Priority.
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*/
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if ((vlan_id != 0xFFFF) || res->prio) {
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if (vlan_id != 0xFFFF)
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req.vlan = cpu_to_le16
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(vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK);
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req.vlan |= cpu_to_le16
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(CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
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CMDQ_ADD_GID_VLAN_VLAN_EN);
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}
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/* MAC in network format */
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req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
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req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
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req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
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rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
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(void *)&resp, NULL, 0);
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if (rc)
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return rc;
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sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
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}
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/* Add GID to the sgid_tbl */
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memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
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sgid_tbl->active++;
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if (vlan_id != 0xFFFF)
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sgid_tbl->vlan[free_idx] = 1;
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dev_dbg(&res->pdev->dev,
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"SGID added hw_id[0x%x] = 0x%x active = 0x%x\n",
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free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
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*index = free_idx;
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/* unlock */
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return 0;
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}
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int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
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struct bnxt_qplib_gid *gid, u16 gid_idx,
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u8 *smac)
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{
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struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
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struct bnxt_qplib_res,
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sgid_tbl);
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struct bnxt_qplib_rcfw *rcfw = res->rcfw;
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struct creq_modify_gid_resp resp;
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struct cmdq_modify_gid req;
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int rc;
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u16 cmd_flags = 0;
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RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags);
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req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
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req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
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req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
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req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
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if (res->prio) {
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req.vlan |= cpu_to_le16
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(CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
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CMDQ_ADD_GID_VLAN_VLAN_EN);
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}
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/* MAC in network format */
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req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
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req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
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req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
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req.gid_index = cpu_to_le16(gid_idx);
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rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
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(void *)&resp, NULL, 0);
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return rc;
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}
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/* pkeys */
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int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
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struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
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u16 *pkey)
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{
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if (index == 0xFFFF) {
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*pkey = 0xFFFF;
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return 0;
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}
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if (index >= pkey_tbl->max) {
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dev_err(&res->pdev->dev,
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"Index %d exceeded PKEY table max (%d)\n",
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index, pkey_tbl->max);
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return -EINVAL;
|
|
}
|
|
memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
|
|
return 0;
|
|
}
|
|
|
|
int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
|
|
bool update)
|
|
{
|
|
int i, rc = 0;
|
|
|
|
if (!pkey_tbl) {
|
|
dev_err(&res->pdev->dev, "PKEY table not allocated\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Do we need a pkey_lock here? */
|
|
if (!pkey_tbl->active) {
|
|
dev_err(&res->pdev->dev, "PKEY table has no active entries\n");
|
|
return -ENOMEM;
|
|
}
|
|
for (i = 0; i < pkey_tbl->max; i++) {
|
|
if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
|
|
break;
|
|
}
|
|
if (i == pkey_tbl->max) {
|
|
dev_err(&res->pdev->dev,
|
|
"PKEY 0x%04x not found in the pkey table\n", *pkey);
|
|
return -ENOMEM;
|
|
}
|
|
memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
|
|
pkey_tbl->active--;
|
|
|
|
/* unlock */
|
|
return rc;
|
|
}
|
|
|
|
int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
|
|
bool update)
|
|
{
|
|
int i, free_idx, rc = 0;
|
|
|
|
if (!pkey_tbl) {
|
|
dev_err(&res->pdev->dev, "PKEY table not allocated\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Do we need a pkey_lock here? */
|
|
if (pkey_tbl->active == pkey_tbl->max) {
|
|
dev_err(&res->pdev->dev, "PKEY table is full\n");
|
|
return -ENOMEM;
|
|
}
|
|
free_idx = pkey_tbl->max;
|
|
for (i = 0; i < pkey_tbl->max; i++) {
|
|
if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
|
|
return -EALREADY;
|
|
else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
|
|
free_idx = i;
|
|
}
|
|
if (free_idx == pkey_tbl->max) {
|
|
dev_err(&res->pdev->dev,
|
|
"PKEY table is FULL but count is not MAX??\n");
|
|
return -ENOMEM;
|
|
}
|
|
/* Add PKEY to the pkey_tbl */
|
|
memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
|
|
pkey_tbl->active++;
|
|
|
|
/* unlock */
|
|
return rc;
|
|
}
|
|
|
|
/* AH */
|
|
int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
|
|
bool block)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_create_ah req;
|
|
struct creq_create_ah_resp resp;
|
|
u16 cmd_flags = 0;
|
|
u32 temp32[4];
|
|
u16 temp16[3];
|
|
int rc;
|
|
|
|
RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
|
|
|
|
memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
|
|
req.dgid[0] = cpu_to_le32(temp32[0]);
|
|
req.dgid[1] = cpu_to_le32(temp32[1]);
|
|
req.dgid[2] = cpu_to_le32(temp32[2]);
|
|
req.dgid[3] = cpu_to_le32(temp32[3]);
|
|
|
|
req.type = ah->nw_type;
|
|
req.hop_limit = ah->hop_limit;
|
|
req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
|
|
req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
|
|
CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
|
|
CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
|
|
req.pd_id = cpu_to_le32(ah->pd->id);
|
|
req.traffic_class = ah->traffic_class;
|
|
|
|
/* MAC in network format */
|
|
memcpy(temp16, ah->dmac, 6);
|
|
req.dest_mac[0] = cpu_to_le16(temp16[0]);
|
|
req.dest_mac[1] = cpu_to_le16(temp16[1]);
|
|
req.dest_mac[2] = cpu_to_le16(temp16[2]);
|
|
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
|
|
NULL, block);
|
|
if (rc)
|
|
return rc;
|
|
|
|
ah->id = le32_to_cpu(resp.xid);
|
|
return 0;
|
|
}
|
|
|
|
int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
|
|
bool block)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_destroy_ah req;
|
|
struct creq_destroy_ah_resp resp;
|
|
u16 cmd_flags = 0;
|
|
int rc;
|
|
|
|
/* Clean up the AH table in the device */
|
|
RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
|
|
|
|
req.ah_cid = cpu_to_le32(ah->id);
|
|
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
|
|
NULL, block);
|
|
if (rc)
|
|
return rc;
|
|
return 0;
|
|
}
|
|
|
|
/* MRW */
|
|
int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_deallocate_key req;
|
|
struct creq_deallocate_key_resp resp;
|
|
u16 cmd_flags = 0;
|
|
int rc;
|
|
|
|
if (mrw->lkey == 0xFFFFFFFF) {
|
|
dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n");
|
|
return 0;
|
|
}
|
|
|
|
RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
|
|
|
|
req.mrw_flags = mrw->type;
|
|
|
|
if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
|
|
(mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
|
|
(mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
|
|
req.key = cpu_to_le32(mrw->rkey);
|
|
else
|
|
req.key = cpu_to_le32(mrw->lkey);
|
|
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
|
|
NULL, 0);
|
|
if (rc)
|
|
return rc;
|
|
|
|
/* Free the qplib's MRW memory */
|
|
if (mrw->hwq.max_elements)
|
|
bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_allocate_mrw req;
|
|
struct creq_allocate_mrw_resp resp;
|
|
u16 cmd_flags = 0;
|
|
unsigned long tmp;
|
|
int rc;
|
|
|
|
RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
|
|
|
|
req.pd_id = cpu_to_le32(mrw->pd->id);
|
|
req.mrw_flags = mrw->type;
|
|
if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
|
|
mrw->flags & BNXT_QPLIB_FR_PMR) ||
|
|
mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
|
|
mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
|
|
req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
|
|
tmp = (unsigned long)mrw;
|
|
req.mrw_handle = cpu_to_le64(tmp);
|
|
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
|
|
(void *)&resp, NULL, 0);
|
|
if (rc)
|
|
return rc;
|
|
|
|
if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
|
|
(mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
|
|
(mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
|
|
mrw->rkey = le32_to_cpu(resp.xid);
|
|
else
|
|
mrw->lkey = le32_to_cpu(resp.xid);
|
|
return 0;
|
|
}
|
|
|
|
int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
|
|
bool block)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_deregister_mr req;
|
|
struct creq_deregister_mr_resp resp;
|
|
u16 cmd_flags = 0;
|
|
int rc;
|
|
|
|
RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
|
|
|
|
req.lkey = cpu_to_le32(mrw->lkey);
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
|
|
(void *)&resp, NULL, block);
|
|
if (rc)
|
|
return rc;
|
|
|
|
/* Free the qplib's MR memory */
|
|
if (mrw->hwq.max_elements) {
|
|
mrw->va = 0;
|
|
mrw->total_size = 0;
|
|
bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
|
|
u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_register_mr req;
|
|
struct creq_register_mr_resp resp;
|
|
u16 cmd_flags = 0, level;
|
|
int pg_ptrs, pages, i, rc;
|
|
dma_addr_t **pbl_ptr;
|
|
u32 pg_size;
|
|
|
|
if (num_pbls) {
|
|
/* Allocate memory for the non-leaf pages to store buf ptrs.
|
|
* Non-leaf pages always uses system PAGE_SIZE
|
|
*/
|
|
pg_ptrs = roundup_pow_of_two(num_pbls);
|
|
pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
|
|
if (!pages)
|
|
pages++;
|
|
|
|
if (pages > MAX_PBL_LVL_1_PGS) {
|
|
dev_err(&res->pdev->dev,
|
|
"SP: Reg MR pages requested (0x%x) exceeded max (0x%x)\n",
|
|
pages, MAX_PBL_LVL_1_PGS);
|
|
return -ENOMEM;
|
|
}
|
|
/* Free the hwq if it already exist, must be a rereg */
|
|
if (mr->hwq.max_elements)
|
|
bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
|
|
|
|
mr->hwq.max_elements = pages;
|
|
/* Use system PAGE_SIZE */
|
|
rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0,
|
|
&mr->hwq.max_elements,
|
|
PAGE_SIZE, 0, PAGE_SIZE,
|
|
HWQ_TYPE_CTX);
|
|
if (rc) {
|
|
dev_err(&res->pdev->dev,
|
|
"SP: Reg MR memory allocation failed\n");
|
|
return -ENOMEM;
|
|
}
|
|
/* Write to the hwq */
|
|
pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr;
|
|
for (i = 0; i < num_pbls; i++)
|
|
pbl_ptr[PTR_PG(i)][PTR_IDX(i)] =
|
|
(pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID;
|
|
}
|
|
|
|
RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
|
|
|
|
/* Configure the request */
|
|
if (mr->hwq.level == PBL_LVL_MAX) {
|
|
/* No PBL provided, just use system PAGE_SIZE */
|
|
level = 0;
|
|
req.pbl = 0;
|
|
pg_size = PAGE_SIZE;
|
|
} else {
|
|
level = mr->hwq.level + 1;
|
|
req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
|
|
}
|
|
pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
|
|
req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
|
|
((ilog2(pg_size) <<
|
|
CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
|
|
CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
|
|
req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
|
|
CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
|
|
CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
|
|
req.access = (mr->flags & 0xFFFF);
|
|
req.va = cpu_to_le64(mr->va);
|
|
req.key = cpu_to_le32(mr->lkey);
|
|
req.mr_size = cpu_to_le64(mr->total_size);
|
|
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
|
|
(void *)&resp, NULL, block);
|
|
if (rc)
|
|
goto fail;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
if (mr->hwq.max_elements)
|
|
bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
|
|
return rc;
|
|
}
|
|
|
|
int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_frpl *frpl,
|
|
int max_pg_ptrs)
|
|
{
|
|
int pg_ptrs, pages, rc;
|
|
|
|
/* Re-calculate the max to fit the HWQ allocation model */
|
|
pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
|
|
pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
|
|
if (!pages)
|
|
pages++;
|
|
|
|
if (pages > MAX_PBL_LVL_1_PGS)
|
|
return -ENOMEM;
|
|
|
|
frpl->hwq.max_elements = pages;
|
|
rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0,
|
|
&frpl->hwq.max_elements, PAGE_SIZE, 0,
|
|
PAGE_SIZE, HWQ_TYPE_CTX);
|
|
if (!rc)
|
|
frpl->max_pg_ptrs = pg_ptrs;
|
|
|
|
return rc;
|
|
}
|
|
|
|
int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
|
|
struct bnxt_qplib_frpl *frpl)
|
|
{
|
|
bnxt_qplib_free_hwq(res->pdev, &frpl->hwq);
|
|
return 0;
|
|
}
|
|
|
|
int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
|
|
{
|
|
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
|
|
struct cmdq_map_tc_to_cos req;
|
|
struct creq_map_tc_to_cos_resp resp;
|
|
u16 cmd_flags = 0;
|
|
|
|
RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
|
|
req.cos0 = cpu_to_le16(cids[0]);
|
|
req.cos1 = cpu_to_le16(cids[1]);
|
|
|
|
return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
|
|
NULL, 0);
|
|
}
|
|
|
|
int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
|
|
struct bnxt_qplib_roce_stats *stats)
|
|
{
|
|
struct cmdq_query_roce_stats req;
|
|
struct creq_query_roce_stats_resp resp;
|
|
struct bnxt_qplib_rcfw_sbuf *sbuf;
|
|
struct creq_query_roce_stats_resp_sb *sb;
|
|
u16 cmd_flags = 0;
|
|
int rc = 0;
|
|
|
|
RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags);
|
|
|
|
sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
|
|
if (!sbuf) {
|
|
dev_err(&rcfw->pdev->dev,
|
|
"SP: QUERY_ROCE_STATS alloc side buffer failed\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sb = sbuf->sb;
|
|
req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
|
|
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
|
|
(void *)sbuf, 0);
|
|
if (rc)
|
|
goto bail;
|
|
/* Extract the context from the side buffer */
|
|
stats->to_retransmits = le64_to_cpu(sb->to_retransmits);
|
|
stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd);
|
|
stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded);
|
|
stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd);
|
|
stats->missing_resp = le64_to_cpu(sb->missing_resp);
|
|
stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err);
|
|
stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err);
|
|
stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err);
|
|
stats->local_protection_err = le64_to_cpu(sb->local_protection_err);
|
|
stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err);
|
|
stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err);
|
|
stats->remote_access_err = le64_to_cpu(sb->remote_access_err);
|
|
stats->remote_op_err = le64_to_cpu(sb->remote_op_err);
|
|
stats->dup_req = le64_to_cpu(sb->dup_req);
|
|
stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max);
|
|
stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch);
|
|
stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe);
|
|
stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err);
|
|
stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey);
|
|
stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err);
|
|
stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm);
|
|
stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err);
|
|
stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey);
|
|
stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err);
|
|
stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm);
|
|
stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err);
|
|
stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow);
|
|
stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode);
|
|
stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic);
|
|
stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err);
|
|
stats->res_mem_error = le64_to_cpu(sb->res_mem_error);
|
|
stats->res_srq_err = le64_to_cpu(sb->res_srq_err);
|
|
stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err);
|
|
stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey);
|
|
stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err);
|
|
stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err);
|
|
stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err);
|
|
stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err);
|
|
stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err);
|
|
if (!rcfw->init_oos_stats) {
|
|
rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
|
|
rcfw->init_oos_stats = 1;
|
|
} else {
|
|
stats->res_oos_drop_count +=
|
|
(le64_to_cpu(sb->res_oos_drop_count) -
|
|
rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK;
|
|
rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
|
|
}
|
|
|
|
bail:
|
|
bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
|
|
return rc;
|
|
}
|