From patchwork Tue Jan 23 04:54:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Selvin Xavier X-Patchwork-Id: 13526829 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 664932107 for ; Tue, 23 Jan 2024 05:11:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705986663; cv=none; b=Ps7YDeJ5DflP0wJWFfOo6c3me0yXurGXgJx3s3E5l4VnePcZb27/A12ri95HI3ESPjUlrAl49OrGUxSoRJYCaIj84RKRabOXhL/eyfdCyt5Y39naUyID1t+6Ah7B/vk54ewMH7HrQGOi0CrAUW390Un+b4f0UbQoUNVhb3Hfom4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705986663; c=relaxed/simple; bh=oPlFMQxQQrOhIKPNrJEBdt7HteJBdgXPujVMnLaR/Tc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type; b=BphmdBkNDQEK1m7fLhiip0EzuGup5OI7G9fhXsmBz4rAGnjoyALjCtYvaveNxwusaHiF2/O2cNClo3FGsYj/BwxFKXtOA47hPiqCxX9Yyo5IRE/kdAlA5gwNb2ILuHQOVT7g/9WkWVzGP5bcbEH1/wd5KHMR2i6vWm93SBQY5Ek= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=hCG+mGk5; arc=none smtp.client-ip=209.85.210.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="hCG+mGk5" Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-6d9b37f4804so2932019b3a.1 for ; Mon, 22 Jan 2024 21:11:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1705986661; x=1706591461; darn=vger.kernel.org; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=kXBICfbYfWJUxTe/9TJQiNBgH7gv9zgKArM0s+kUelA=; b=hCG+mGk5NpBs+gqRUUkB/XuHDQVRbYIB6PP0GzD/ByXK3OjGmssm2x1/L3SVl64eWq hbLr4CarUbaYGx77m0IaWwIDF3uq8IAePkJARfC62RhPIuyuLkO1NWPTfZhFUNWZcmBE GvrWy/X+U1KHbTqIeBv4SX2SpUDoly4zo5fqc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705986661; x=1706591461; h=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=kXBICfbYfWJUxTe/9TJQiNBgH7gv9zgKArM0s+kUelA=; b=aNFIlgKHFQq4BzUYLE0GYMr8FAo859TQdab3Ey8TkQDRqeVI8p15V6vSBvMa2cNbUq xYbSpwmSxjLAPbrZKTkCuq02LgD1LX7bAcwj3RqzLH4i3RGw/JwqVk/2BtSz3olFphjr UWe+if7fctD6mZtpjtoF2INv6TEzvlPyWKTGDs1e1Uu1zZyhRsjivGi5dKOxdgiH6B5P Iq2XgKHlThlp2RIMPsLHwHB2yJJR90cGTsuIqbIkrHZ4j+Eg7NDcNh/CkGgC+CapUiZh c4WrmQwZfCWlzRhRPwLWEaXlfA+/7cJGFWscuG7E1xNb6RY+lBYEQxS7n+LErkZYG94B oMrg== X-Gm-Message-State: AOJu0Yw1Z2ndoO7yiR5A8csNRYl+skOVX967B39APg+0Sv8VPj97iaj8 +u8+YOe1JgrVr+8KxnThjJNaq+jdYSKSBfn82dESkeVasGRpo49gPjxSZUVt0g== X-Google-Smtp-Source: AGHT+IHLU60oyrsgrSPO7yfvEQaCfD3MK+k3RtgALUqJBawIg8P0YaX7o5F+cjbHwjh4ZIZW2q5Ivw== X-Received: by 2002:a05:6a21:9210:b0:19a:9973:2b22 with SMTP id tl16-20020a056a21921000b0019a99732b22mr6113963pzb.40.1705986660723; Mon, 22 Jan 2024 21:11:00 -0800 (PST) Received: from dhcp-10-192-206-197.iig.avagotech.net.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id lp4-20020a056a003d4400b006dce766903dsm672949pfb.90.2024.01.22.21.10.57 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Jan 2024 21:10:59 -0800 (PST) From: Selvin Xavier To: leon@kernel.org, jgg@ziepe.ca Cc: linux-rdma@vger.kernel.org, andrew.gospodarek@broadcom.com, Kalesh AP , Kashyap Desai , Bhargava Chenna Marreddy , Selvin Xavier Subject: [PATCH for-rc 1/5] RDMA/bnxt_re: Avoid creating fence MR for newer adapters Date: Mon, 22 Jan 2024 20:54:33 -0800 Message-Id: <1705985677-15551-2-git-send-email-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1705985677-15551-1-git-send-email-selvin.xavier@broadcom.com> References: <1705985677-15551-1-git-send-email-selvin.xavier@broadcom.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Kalesh AP Limit the usage of fence MR to adapters older than Gen P5 products. Fixes: 1801d87b3598 ("RDMA/bnxt_re: Support new 5760X P7 devices") Signed-off-by: Kashyap Desai Signed-off-by: Bhargava Chenna Marreddy Signed-off-by: Kalesh AP Signed-off-by: Selvin Xavier --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 8243496..e1ea492 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -401,6 +401,10 @@ static void bnxt_re_create_fence_wqe(struct bnxt_re_pd *pd) struct bnxt_re_fence_data *fence = &pd->fence; struct ib_mr *ib_mr = &fence->mr->ib_mr; struct bnxt_qplib_swqe *wqe = &fence->bind_wqe; + struct bnxt_re_dev *rdev = pd->rdev; + + if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) + return; memset(wqe, 0, sizeof(*wqe)); wqe->type = BNXT_QPLIB_SWQE_TYPE_BIND_MW; @@ -455,6 +459,9 @@ static void bnxt_re_destroy_fence_mr(struct bnxt_re_pd *pd) struct device *dev = &rdev->en_dev->pdev->dev; struct bnxt_re_mr *mr = fence->mr; + if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) + return; + if (fence->mw) { bnxt_re_dealloc_mw(fence->mw); fence->mw = NULL; @@ -486,6 +493,9 @@ static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd) struct ib_mw *mw; int rc; + if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) + return 0; + dma_addr = dma_map_single(dev, fence->va, BNXT_RE_FENCE_BYTES, DMA_BIDIRECTIONAL); rc = dma_mapping_error(dev, dma_addr);