linux/drivers/infiniband/hw/bnxt_re/qplib_sp.c

/*
 * Broadcom NetXtreme-E RoCE driver.
 *
 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved.  The term
 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
 *
 * 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:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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 AUTHOR 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 AUTHOR 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.
 *
 * Description: Slow Path Operators
 */

#define dev_fmt(fmt) …

#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/pci.h>

#include "roce_hsi.h"

#include "qplib_res.h"
#include "qplib_rcfw.h"
#include "qplib_sp.h"
#include "qplib_tlv.h"

const struct bnxt_qplib_gid bnxt_qplib_gid_zero = …;

/* Device */

static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw)
{ … }

static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
				     char *fw_ver)
{ … }

int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
			    struct bnxt_qplib_dev_attr *attr)
{ … }

int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
				  struct bnxt_qplib_rcfw *rcfw,
				  struct bnxt_qplib_ctx *ctx)
{ … }

/* SGID */
int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
			struct bnxt_qplib_gid *gid)
{ … }

int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update)
{ … }

int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
			struct bnxt_qplib_gid *gid, const u8 *smac,
			u16 vlan_id, bool update, u32 *index)
{ … }

int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
			   struct bnxt_qplib_gid *gid, u16 gid_idx,
			   const u8 *smac)
{ … }

/* AH */
int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
			 bool block)
{ … }

int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
			  bool block)
{ … }

/* MRW */
int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
{ … }

int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
{ … }

int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
			 bool block)
{ … }

int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
		      struct ib_umem *umem, int num_pbls, u32 buf_pg_size)
{ … }

int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
					struct bnxt_qplib_frpl *frpl,
					int max_pg_ptrs)
{ … }

int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
				       struct bnxt_qplib_frpl *frpl)
{ … }

int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
			      struct bnxt_qplib_roce_stats *stats)
{ … }

int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
			 struct bnxt_qplib_ext_stat *estat)
{ … }

static void bnxt_qplib_fill_cc_gen1(struct cmdq_modify_roce_cc_gen1_tlv *ext_req,
				    struct bnxt_qplib_cc_param_ext *cc_ext)
{ … }

int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
			 struct bnxt_qplib_cc_param *cc_param)
{ … }