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204 lines
6.0 KiB
204 lines
6.0 KiB
/* |
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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 (header) |
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* |
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*/ |
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#ifndef __BNXT_RE_H__ |
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#define __BNXT_RE_H__ |
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#define ROCE_DRV_MODULE_NAME "bnxt_re" |
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#define BNXT_RE_DESC "Broadcom NetXtreme-C/E RoCE Driver" |
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#define BNXT_RE_PAGE_SHIFT_4K (12) |
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#define BNXT_RE_PAGE_SHIFT_8K (13) |
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#define BNXT_RE_PAGE_SHIFT_64K (16) |
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#define BNXT_RE_PAGE_SHIFT_2M (21) |
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#define BNXT_RE_PAGE_SHIFT_8M (23) |
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#define BNXT_RE_PAGE_SHIFT_1G (30) |
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#define BNXT_RE_PAGE_SIZE_4K BIT(BNXT_RE_PAGE_SHIFT_4K) |
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#define BNXT_RE_PAGE_SIZE_8K BIT(BNXT_RE_PAGE_SHIFT_8K) |
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#define BNXT_RE_PAGE_SIZE_64K BIT(BNXT_RE_PAGE_SHIFT_64K) |
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#define BNXT_RE_PAGE_SIZE_2M BIT(BNXT_RE_PAGE_SHIFT_2M) |
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#define BNXT_RE_PAGE_SIZE_8M BIT(BNXT_RE_PAGE_SHIFT_8M) |
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#define BNXT_RE_PAGE_SIZE_1G BIT(BNXT_RE_PAGE_SHIFT_1G) |
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#define BNXT_RE_MAX_MR_SIZE_LOW BIT_ULL(BNXT_RE_PAGE_SHIFT_1G) |
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#define BNXT_RE_MAX_MR_SIZE_HIGH BIT_ULL(39) |
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#define BNXT_RE_MAX_MR_SIZE BNXT_RE_MAX_MR_SIZE_HIGH |
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#define BNXT_RE_MAX_QPC_COUNT (64 * 1024) |
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#define BNXT_RE_MAX_MRW_COUNT (64 * 1024) |
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#define BNXT_RE_MAX_SRQC_COUNT (64 * 1024) |
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#define BNXT_RE_MAX_CQ_COUNT (64 * 1024) |
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#define BNXT_RE_MAX_MRW_COUNT_64K (64 * 1024) |
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#define BNXT_RE_MAX_MRW_COUNT_256K (256 * 1024) |
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/* Number of MRs to reserve for PF, leaving remainder for VFs */ |
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#define BNXT_RE_RESVD_MR_FOR_PF (32 * 1024) |
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#define BNXT_RE_MAX_GID_PER_VF 128 |
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/* |
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* Percentage of resources of each type reserved for PF. |
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* Remaining resources are divided equally among VFs. |
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* [0, 100] |
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*/ |
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#define BNXT_RE_PCT_RSVD_FOR_PF 50 |
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#define BNXT_RE_UD_QP_HW_STALL 0x400000 |
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#define BNXT_RE_RQ_WQE_THRESHOLD 32 |
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/* |
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* Setting the default ack delay value to 16, which means |
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* the default timeout is approx. 260ms(4 usec * 2 ^(timeout)) |
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*/ |
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#define BNXT_RE_DEFAULT_ACK_DELAY 16 |
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struct bnxt_re_ring_attr { |
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dma_addr_t *dma_arr; |
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int pages; |
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int type; |
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u32 depth; |
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u32 lrid; /* Logical ring id */ |
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u8 mode; |
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}; |
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struct bnxt_re_work { |
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struct work_struct work; |
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unsigned long event; |
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struct bnxt_re_dev *rdev; |
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struct net_device *vlan_dev; |
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}; |
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struct bnxt_re_sqp_entries { |
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struct bnxt_qplib_sge sge; |
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u64 wrid; |
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/* For storing the actual qp1 cqe */ |
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struct bnxt_qplib_cqe cqe; |
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struct bnxt_re_qp *qp1_qp; |
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}; |
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#define BNXT_RE_MAX_GSI_SQP_ENTRIES 1024 |
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struct bnxt_re_gsi_context { |
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struct bnxt_re_qp *gsi_qp; |
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struct bnxt_re_qp *gsi_sqp; |
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struct bnxt_re_ah *gsi_sah; |
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struct bnxt_re_sqp_entries *sqp_tbl; |
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}; |
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#define BNXT_RE_MIN_MSIX 2 |
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#define BNXT_RE_MAX_MSIX 9 |
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#define BNXT_RE_AEQ_IDX 0 |
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#define BNXT_RE_NQ_IDX 1 |
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#define BNXT_RE_GEN_P5_MAX_VF 64 |
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struct bnxt_re_dev { |
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struct ib_device ibdev; |
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struct list_head list; |
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unsigned long flags; |
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#define BNXT_RE_FLAG_NETDEV_REGISTERED 0 |
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#define BNXT_RE_FLAG_GOT_MSIX 2 |
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#define BNXT_RE_FLAG_HAVE_L2_REF 3 |
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#define BNXT_RE_FLAG_RCFW_CHANNEL_EN 4 |
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#define BNXT_RE_FLAG_QOS_WORK_REG 5 |
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#define BNXT_RE_FLAG_RESOURCES_ALLOCATED 7 |
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#define BNXT_RE_FLAG_RESOURCES_INITIALIZED 8 |
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#define BNXT_RE_FLAG_ISSUE_ROCE_STATS 29 |
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struct net_device *netdev; |
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unsigned int version, major, minor; |
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struct bnxt_qplib_chip_ctx *chip_ctx; |
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struct bnxt_en_dev *en_dev; |
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struct bnxt_msix_entry msix_entries[BNXT_RE_MAX_MSIX]; |
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int num_msix; |
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int id; |
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struct delayed_work worker; |
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u8 cur_prio_map; |
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u16 active_speed; |
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u8 active_width; |
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/* FP Notification Queue (CQ & SRQ) */ |
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struct tasklet_struct nq_task; |
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/* RCFW Channel */ |
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struct bnxt_qplib_rcfw rcfw; |
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/* NQ */ |
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struct bnxt_qplib_nq nq[BNXT_RE_MAX_MSIX]; |
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/* Device Resources */ |
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struct bnxt_qplib_dev_attr dev_attr; |
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struct bnxt_qplib_ctx qplib_ctx; |
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struct bnxt_qplib_res qplib_res; |
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struct bnxt_qplib_dpi dpi_privileged; |
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atomic_t qp_count; |
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struct mutex qp_lock; /* protect qp list */ |
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struct list_head qp_list; |
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atomic_t cq_count; |
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atomic_t srq_count; |
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atomic_t mr_count; |
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atomic_t mw_count; |
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/* Max of 2 lossless traffic class supported per port */ |
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u16 cosq[2]; |
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/* QP for for handling QP1 packets */ |
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struct bnxt_re_gsi_context gsi_ctx; |
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atomic_t nq_alloc_cnt; |
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u32 is_virtfn; |
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u32 num_vfs; |
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struct bnxt_qplib_roce_stats stats; |
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}; |
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#define to_bnxt_re_dev(ptr, member) \ |
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container_of((ptr), struct bnxt_re_dev, member) |
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#define BNXT_RE_ROCE_V1_PACKET 0 |
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#define BNXT_RE_ROCEV2_IPV4_PACKET 2 |
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#define BNXT_RE_ROCEV2_IPV6_PACKET 3 |
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static inline struct device *rdev_to_dev(struct bnxt_re_dev *rdev) |
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{ |
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if (rdev) |
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return &rdev->ibdev.dev; |
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return NULL; |
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} |
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#endif
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