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2075bbe8ef
Implement idbdev ops for device and port information. Co-developed-by: Andrew Boyer <andrew.boyer@amd.com> Signed-off-by: Andrew Boyer <andrew.boyer@amd.com> Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-13-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2018-2025, Advanced Micro Devices, Inc. */
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#include <linux/kernel.h>
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#include <ionic.h>
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#include <ionic_lif.h>
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#include "ionic_lif_cfg.h"
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#define IONIC_MIN_RDMA_VERSION 0
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#define IONIC_MAX_RDMA_VERSION 2
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static u8 ionic_get_expdb(struct ionic_lif *lif)
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{
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u8 expdb_support = 0;
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if (lif->ionic->idev.phy_cmb_expdb64_pages)
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expdb_support |= IONIC_EXPDB_64B_WQE;
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if (lif->ionic->idev.phy_cmb_expdb128_pages)
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expdb_support |= IONIC_EXPDB_128B_WQE;
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if (lif->ionic->idev.phy_cmb_expdb256_pages)
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expdb_support |= IONIC_EXPDB_256B_WQE;
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if (lif->ionic->idev.phy_cmb_expdb512_pages)
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expdb_support |= IONIC_EXPDB_512B_WQE;
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return expdb_support;
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}
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void ionic_fill_lif_cfg(struct ionic_lif *lif, struct ionic_lif_cfg *cfg)
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{
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union ionic_lif_identity *ident = &lif->ionic->ident.lif;
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cfg->lif = lif;
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cfg->hwdev = &lif->ionic->pdev->dev;
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cfg->lif_index = lif->index;
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cfg->lif_hw_index = lif->hw_index;
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cfg->dbid = lif->kern_pid;
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cfg->dbid_count = le32_to_cpu(lif->ionic->ident.dev.ndbpgs_per_lif);
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cfg->dbpage = lif->kern_dbpage;
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cfg->intr_ctrl = lif->ionic->idev.intr_ctrl;
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cfg->db_phys = lif->ionic->bars[IONIC_PCI_BAR_DBELL].bus_addr;
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if (IONIC_VERSION(ident->rdma.version, ident->rdma.minor_version) >=
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IONIC_VERSION(2, 1))
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cfg->page_size_supported =
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le64_to_cpu(ident->rdma.page_size_cap);
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else
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cfg->page_size_supported = IONIC_PAGE_SIZE_SUPPORTED;
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cfg->rdma_version = ident->rdma.version;
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cfg->qp_opcodes = ident->rdma.qp_opcodes;
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cfg->admin_opcodes = ident->rdma.admin_opcodes;
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cfg->stats_type = le16_to_cpu(ident->rdma.stats_type);
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cfg->npts_per_lif = le32_to_cpu(ident->rdma.npts_per_lif);
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cfg->nmrs_per_lif = le32_to_cpu(ident->rdma.nmrs_per_lif);
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cfg->nahs_per_lif = le32_to_cpu(ident->rdma.nahs_per_lif);
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cfg->aq_base = le32_to_cpu(ident->rdma.aq_qtype.qid_base);
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cfg->cq_base = le32_to_cpu(ident->rdma.cq_qtype.qid_base);
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cfg->eq_base = le32_to_cpu(ident->rdma.eq_qtype.qid_base);
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/*
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* ionic_create_rdma_admin() may reduce aq_count or eq_count if
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* it is unable to allocate all that were requested.
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* aq_count is tunable; see ionic_aq_count
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* eq_count is tunable; see ionic_eq_count
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*/
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cfg->aq_count = le32_to_cpu(ident->rdma.aq_qtype.qid_count);
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cfg->eq_count = le32_to_cpu(ident->rdma.eq_qtype.qid_count);
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cfg->cq_count = le32_to_cpu(ident->rdma.cq_qtype.qid_count);
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cfg->qp_count = le32_to_cpu(ident->rdma.sq_qtype.qid_count);
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cfg->dbid_count = le32_to_cpu(lif->ionic->ident.dev.ndbpgs_per_lif);
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cfg->aq_qtype = ident->rdma.aq_qtype.qtype;
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cfg->sq_qtype = ident->rdma.sq_qtype.qtype;
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cfg->rq_qtype = ident->rdma.rq_qtype.qtype;
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cfg->cq_qtype = ident->rdma.cq_qtype.qtype;
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cfg->eq_qtype = ident->rdma.eq_qtype.qtype;
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cfg->udma_qgrp_shift = ident->rdma.udma_shift;
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cfg->udma_count = 2;
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cfg->max_stride = ident->rdma.max_stride;
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cfg->expdb_mask = ionic_get_expdb(lif);
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cfg->sq_expdb =
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!!(lif->qtype_info[IONIC_QTYPE_TXQ].features & IONIC_QIDENT_F_EXPDB);
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cfg->rq_expdb =
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!!(lif->qtype_info[IONIC_QTYPE_RXQ].features & IONIC_QIDENT_F_EXPDB);
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}
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struct net_device *ionic_lif_netdev(struct ionic_lif *lif)
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{
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struct net_device *netdev = lif->netdev;
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dev_hold(netdev);
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return netdev;
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}
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void ionic_lif_fw_version(struct ionic_lif *lif, char *str, size_t len)
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{
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strscpy(str, lif->ionic->idev.dev_info.fw_version, len);
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}
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u8 ionic_lif_asic_rev(struct ionic_lif *lif)
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{
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return lif->ionic->idev.dev_info.asic_rev;
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}
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