From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B54A8837; Mon, 28 Oct 2024 06:45:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730097918; cv=none; b=ppG8mpPnL5oci5lJ+1flgbJAuzfd45fSSB8lZDwGXkoBYwiHRUfDpZUsrqmbXtkXo47Y0ohqHBiQYUccj1izyS5Pek1d4ccUdi3ZS4sbe4Jwa//o1WF+QyL8rrwlXLlLTcDNqHwXG8nmDZrFr3wX0Swndzzwm6JHkmBqEBhByso= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730097918; c=relaxed/simple; bh=10vVpccgc8w4hYxxY/ZUYtVGbENYqDkIb4mLZHzXt3Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I6PLxR67q31BPceVTfRTzVL1H5tpOKhpS9q1TdoF3pOi4HxdW3g6O3IYP8k/deCsMlnN6nBPq4DcgwEoG7lMSc8E1c3GBc4TNPfkzkFfwBJSEn/DZl27MWKNnyejGKAtJ1EkzeLotlUZfLj1TAJvU5R7yVrTGOM6NMnNpGhFIso= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=z+PJElIs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="z+PJElIs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0990C4CEC3; Mon, 28 Oct 2024 06:45:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730097918; bh=10vVpccgc8w4hYxxY/ZUYtVGbENYqDkIb4mLZHzXt3Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z+PJElIsi/aYPpXbo62oaDyLBWoA8poxT7Wgb3HW9K6iI/ahSR6aOLdTdcl6YP8fl X23hmWKMoZw0lX157HUfEpEsmaWyxC0lA7BMZ54Uww08AEexaxJ37lSJIoqHmLm9KV FS+VPa3JQCA7/l6RSaT8OJ8VpsiUuycHbxikqdgs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kashyap Desai , Bhargava Chenna Marreddy , Kalesh AP , Selvin Xavier , Leon Romanovsky Subject: [PATCH 6.6 205/208] RDMA/bnxt_re: Avoid creating fence MR for newer adapters Date: Mon, 28 Oct 2024 07:26:25 +0100 Message-ID: <20241028062311.693421524@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241028062306.649733554@linuxfoundation.org> References: <20241028062306.649733554@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kalesh AP commit 282fd66e2ef6e5d72b8fcd77efb2b282d2569464 upstream. 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 Link: https://lore.kernel.org/r/1705985677-15551-2-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Leon Romanovsky Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 10 ++++++++++ 1 file changed, 10 insertions(+) --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -400,6 +400,10 @@ static void bnxt_re_create_fence_wqe(str 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; @@ -454,6 +458,9 @@ static void bnxt_re_destroy_fence_mr(str 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; @@ -485,6 +492,9 @@ static int bnxt_re_create_fence_mr(struc 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);