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 9E69F1D4154; Tue, 15 Oct 2024 11:49:37 +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=1728992977; cv=none; b=YccR3wk/njJW8tydSCMypEDcV/wEoeSiWtpyAxQ7+/LQtk47rVV+6sv8DL6/Dhkj2dsKOnzSOmD8gwi8yTEIJv5Lq7EfV/c3TFX6RhJKf/vSjfwGbR0MMhce34BpM3my+XtbNcjDXfLmSb7QNU6OLgyP0tzNlyaUww6bMEzgGLc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728992977; c=relaxed/simple; bh=W3QA+xMMDOIZVD9snfutT8C5UgyjX2bxor2/aEzlSMo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RI/78XUs3dtayvSwachOwTrHenBBL0y544hhcuz/v3RU5dSvi43q+HAC/VaAAazcasWIs92sv1hZP5NwbBEB3PHc9dFswEz01EBzZs4rq9BkQCFMaIn/AkcqtEO7fTzbFzyEB+GbyfHhHKNqWr6972R+9CRysJL8zKrrmse6j6I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VpltME4L; 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="VpltME4L" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E9A4C4CEC6; Tue, 15 Oct 2024 11:49:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728992977; bh=W3QA+xMMDOIZVD9snfutT8C5UgyjX2bxor2/aEzlSMo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VpltME4L9xHZj2KFOo+0tyu/86svB9D+buK4WiRxOJPDDtX7r1hs7UM/RA8OFPD2V K5k77JGChYgdBlCIp8r9GFtOmnBAZHBH7pk0pUhsOkHA/L1/NaWQOc3hwnnC822m1U QARTfpF1nfcwEWjdLjQCu3NdYTjQOfX6fGNyXiCY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Junxian Huang , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.15 247/691] RDMA/hns: Dont modify rq next block addr in HIP09 QPC Date: Tue, 15 Oct 2024 13:23:15 +0200 Message-ID: <20241015112450.157262275@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015112440.309539031@linuxfoundation.org> References: <20241015112440.309539031@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Junxian Huang [ Upstream commit 6928d264e328e0cb5ee7663003a6e46e4cba0a7e ] The field 'rq next block addr' in QPC can be updated by driver only on HIP08. On HIP09 HW updates this field while driver is not allowed. Fixes: 926a01dc000d ("RDMA/hns: Add QP operations support for hip08 SoC") Signed-off-by: Junxian Huang Link: https://patch.msgid.link/20240906093444.3571619-2-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 3cd65bcca2240..7aaf7d5be91b0 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4228,12 +4228,14 @@ static int config_qp_rq_buf(struct hns_roce_dev *hr_dev, upper_32_bits(to_hr_hw_page_addr(mtts[0]))); hr_reg_clear(qpc_mask, QPC_RQ_CUR_BLK_ADDR_H); - context->rq_nxt_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[1])); - qpc_mask->rq_nxt_blk_addr = 0; - - hr_reg_write(context, QPC_RQ_NXT_BLK_ADDR_H, - upper_32_bits(to_hr_hw_page_addr(mtts[1]))); - hr_reg_clear(qpc_mask, QPC_RQ_NXT_BLK_ADDR_H); + if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) { + context->rq_nxt_blk_addr = + cpu_to_le32(to_hr_hw_page_addr(mtts[1])); + qpc_mask->rq_nxt_blk_addr = 0; + hr_reg_write(context, QPC_RQ_NXT_BLK_ADDR_H, + upper_32_bits(to_hr_hw_page_addr(mtts[1]))); + hr_reg_clear(qpc_mask, QPC_RQ_NXT_BLK_ADDR_H); + } return 0; } -- 2.43.0