From patchwork Fri Jan 20 06:05:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 13109228 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3966AC38159 for ; Fri, 20 Jan 2023 06:21:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230304AbjATGVl (ORCPT ); Fri, 20 Jan 2023 01:21:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229883AbjATGVS (ORCPT ); Fri, 20 Jan 2023 01:21:18 -0500 Received: from mail-qt1-x832.google.com (mail-qt1-x832.google.com [IPv6:2607:f8b0:4864:20::832]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF1958535A for ; Thu, 19 Jan 2023 22:20:57 -0800 (PST) Received: by mail-qt1-x832.google.com with SMTP id x5so3480891qti.3 for ; Thu, 19 Jan 2023 22:20:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=rQ5Z42OdR6/hqmycy0DrSGvLTdqbtuq4sMFFPoakGoE=; b=FmAV2EBm4Dx6OArsVz6LyAazUO/0hvCnVZ8nceQ4pfhZgmV7ONUUYohRI2zeUd7X9+ /AkZ37GaRRyPWYhlLkQRQF9NP08qkiF8NajEoArMIFXaLRzCE1vGsJdQbHGD4umc8sNU YrhCfX0nU0x2k1Jnr8ADHc25sdtaLNSddgzNw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=rQ5Z42OdR6/hqmycy0DrSGvLTdqbtuq4sMFFPoakGoE=; b=3lhpfJKhe/CGURuUee29iPxCi5k1noe0MJGKVOgpq/8hilDG+1laYhVwMRp0sZ9jAr DNIcmKQftPPfyOph2by5W1LE+E1fVT8PpwWU1Bj+svF8uDFKTNHz8jB0gc3v9994gMR2 sMAFecFOfLedKJmt2/vAbwWmMxgiYLgVegobo5V1sj9KUwN+nk29q1wEdn2WFZ99rm+Y fBh4DPFk5wCEQqX0p3iuKwM7dKVWDKefrdW0ANMVH1HTnIpNRFp7MQ0CbI1UxQRaHgzt yngPxj2wiD9TsTUYYwojk/+L+iPQupFNfvHVt0m31KxqWyOQpPrVdyde2gSc8+LEKD+W 6jXw== X-Gm-Message-State: AFqh2kqMpdEI3mRIAdtckdlRAKOjqxBvqIrp8sryxfzAwEoaeDfqQ5q+ dSVo8UDr60cQhqjCbEWq4+uZqg== X-Google-Smtp-Source: AMrXdXu2yhq0Gei2DTuiQkpD80ZEU8So6odC38nsJI35zUNN9yMxYKu/lcL+WcuFAjUp6H/rQoW63A== X-Received: by 2002:a05:622a:2308:b0:3b6:3466:eee9 with SMTP id ck8-20020a05622a230800b003b63466eee9mr21095965qtb.25.1674195657070; Thu, 19 Jan 2023 22:20:57 -0800 (PST) Received: from localhost.localdomain ([2605:a601:a780:1400:641c:466b:fa8e:b05a]) by smtp.gmail.com with ESMTPSA id e26-20020ac845da000000b003a527d29a41sm6903273qto.75.2023.01.19.22.20.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Jan 2023 22:20:56 -0800 (PST) From: Ajit Khaparde To: ajit.khaparde@broadcom.com Cc: andrew.gospodarek@broadcom.com, davem@davemloft.net, edumazet@google.com, jgg@ziepe.ca, kuba@kernel.org, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, michael.chan@broadcom.com, netdev@vger.kernel.org, pabeni@redhat.com, selvin.xavier@broadcom.com, Leon Romanovsky Subject: [PATCH net-next v8 7/8] RDMA/bnxt_re: Remove the sriov config callback Date: Thu, 19 Jan 2023 22:05:34 -0800 Message-Id: <20230120060535.83087-8-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.37.1 (Apple Git-137.1) In-Reply-To: <20230120060535.83087-1-ajit.khaparde@broadcom.com> References: <20230120060535.83087-1-ajit.khaparde@broadcom.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Remove the SRIOV config callback which the bnxt_en was calling to reconfigure the chip resources for a PF device when VFs are created. The code is now modified to provision the VF resources based on the total VF count instead of the actual VF count. This allows the SRIOV config callback to be removed from the list of ulp_ops. Suggested-by: Leon Romanovsky Signed-off-by: Ajit Khaparde Reviewed-by: Leon Romanovsky --- drivers/infiniband/hw/bnxt_re/main.c | 11 ++++--- .../net/ethernet/broadcom/bnxt/bnxt_sriov.c | 7 +---- drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 29 ------------------- drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h | 1 - 4 files changed, 8 insertions(+), 40 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index ed7ac6acaaff..60df6809bc60 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -221,13 +221,12 @@ static void bnxt_re_set_resource_limits(struct bnxt_re_dev *rdev) bnxt_re_limit_vf_res(&rdev->qplib_ctx, num_vfs); } -static void bnxt_re_sriov_config(void *p, int num_vfs) +static void bnxt_re_vf_res_config(struct bnxt_re_dev *rdev) { - struct bnxt_re_dev *rdev = p; if (test_bit(BNXT_RE_FLAG_ERR_DEVICE_DETACHED, &rdev->flags)) return; - rdev->num_vfs = num_vfs; + rdev->num_vfs = pci_sriov_get_totalvfs(rdev->en_dev->pdev); if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) { bnxt_re_set_resource_limits(rdev); bnxt_qplib_set_func_resources(&rdev->qplib_res, &rdev->rcfw, @@ -297,7 +296,6 @@ static void bnxt_re_start_irq(void *handle, struct bnxt_msix_entry *ent) } static struct bnxt_ulp_ops bnxt_re_ulp_ops = { - .ulp_sriov_config = bnxt_re_sriov_config, .ulp_irq_stop = bnxt_re_stop_irq, .ulp_irq_restart = bnxt_re_start_irq }; @@ -1369,6 +1367,11 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode) INIT_DELAYED_WORK(&rdev->worker, bnxt_re_worker); set_bit(BNXT_RE_FLAG_QOS_WORK_REG, &rdev->flags); schedule_delayed_work(&rdev->worker, msecs_to_jiffies(30000)); + /* + * Use the total VF count since the actual VF count may not be + * available at this point. + */ + bnxt_re_vf_res_config(rdev); } return 0; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index a4cba7cb2783..3ed3a2b3b3a9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -749,7 +749,6 @@ int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset) *num_vfs = rc; } - bnxt_ulp_sriov_cfg(bp, *num_vfs); return 0; } @@ -823,10 +822,8 @@ static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs) goto err_out2; rc = pci_enable_sriov(bp->pdev, *num_vfs); - if (rc) { - bnxt_ulp_sriov_cfg(bp, 0); + if (rc) goto err_out2; - } return 0; @@ -872,8 +869,6 @@ void bnxt_sriov_disable(struct bnxt *bp) rtnl_lock(); bnxt_restore_pf_fw_resources(bp); rtnl_unlock(); - - bnxt_ulp_sriov_cfg(bp, 0); } int bnxt_sriov_configure(struct pci_dev *pdev, int num_vfs) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c index a5da2a1768eb..48d120ee3fab 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c @@ -260,16 +260,6 @@ int bnxt_send_msg(struct bnxt_en_dev *edev, } EXPORT_SYMBOL(bnxt_send_msg); -static void bnxt_ulp_get(struct bnxt_ulp *ulp) -{ - atomic_inc(&ulp->ref_count); -} - -static void bnxt_ulp_put(struct bnxt_ulp *ulp) -{ - atomic_dec(&ulp->ref_count); -} - void bnxt_ulp_stop(struct bnxt *bp) { struct bnxt_aux_priv *aux_priv = bp->aux_priv; @@ -322,25 +312,6 @@ void bnxt_ulp_start(struct bnxt *bp, int err) } -void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs) -{ - struct bnxt_en_dev *edev = bp->edev; - struct bnxt_ulp_ops *ops; - struct bnxt_ulp *ulp; - - if (!edev) - return; - ulp = edev->ulp_tbl; - - ops = rcu_dereference(ulp->ulp_ops); - if (!ops || !ops->ulp_sriov_config) - return; - - bnxt_ulp_get(ulp); - ops->ulp_sriov_config(ulp->handle, num_vfs); - bnxt_ulp_put(ulp); -} - void bnxt_ulp_irq_stop(struct bnxt *bp) { struct bnxt_en_dev *edev = bp->edev; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h index 9b0e50bcce27..beb64d5587d0 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h @@ -26,7 +26,6 @@ struct bnxt_msix_entry { }; struct bnxt_ulp_ops { - void (*ulp_sriov_config)(void *, int); void (*ulp_irq_stop)(void *); void (*ulp_irq_restart)(void *, struct bnxt_msix_entry *); };