From patchwork Thu Mar 2 13:37:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13157353 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 1BC32C6FA8E for ; Thu, 2 Mar 2023 13:40:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229449AbjCBNkQ (ORCPT ); Thu, 2 Mar 2023 08:40:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230079AbjCBNkP (ORCPT ); Thu, 2 Mar 2023 08:40:15 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7076E43929 for ; Thu, 2 Mar 2023 05:40:14 -0800 (PST) Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4PSBtV5YdLz6J6Pj; Thu, 2 Mar 2023 21:35:14 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 2 Mar 2023 13:40:11 +0000 From: Jonathan Cameron To: , Michael Tsirkin , Fan Ni CC: , , Ira Weiny , Alison Schofield , Michael Roth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Dave Jiang , Markus Armbruster , =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Eric Blake , Mike Maslenkin , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Thomas Huth Subject: [RESEND PATCH v6 6/8] hw/cxl: Fix endian issues in CXL RAS capability defaults / masks Date: Thu, 2 Mar 2023 13:37:07 +0000 Message-ID: <20230302133709.30373-7-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230302133709.30373-1-Jonathan.Cameron@huawei.com> References: <20230302133709.30373-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org As these are about to be modified, fix the endian handle for this set of registers rather than making it worse. Note that CXL is currently only supported in QEMU on x86 (arm64 patches out of tree) so we aren't going to yet hit an problems with big endian. However it is good to avoid making things worse for that support in the future. Reviewed-by: Dave Jiang Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Jonathan Cameron Reviewed-by: Fan Ni --- hw/cxl/cxl-component-utils.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c index 3edd303a33..737b4764b9 100644 --- a/hw/cxl/cxl-component-utils.c +++ b/hw/cxl/cxl-component-utils.c @@ -141,17 +141,17 @@ static void ras_init_common(uint32_t *reg_state, uint32_t *write_msk) * Error status is RW1C but given bits are not yet set, it can * be handled as RO. */ - reg_state[R_CXL_RAS_UNC_ERR_STATUS] = 0; + stl_le_p(reg_state + R_CXL_RAS_UNC_ERR_STATUS, 0); /* Bits 12-13 and 17-31 reserved in CXL 2.0 */ - reg_state[R_CXL_RAS_UNC_ERR_MASK] = 0x1cfff; - write_msk[R_CXL_RAS_UNC_ERR_MASK] = 0x1cfff; - reg_state[R_CXL_RAS_UNC_ERR_SEVERITY] = 0x1cfff; - write_msk[R_CXL_RAS_UNC_ERR_SEVERITY] = 0x1cfff; - reg_state[R_CXL_RAS_COR_ERR_STATUS] = 0; - reg_state[R_CXL_RAS_COR_ERR_MASK] = 0x7f; - write_msk[R_CXL_RAS_COR_ERR_MASK] = 0x7f; + stl_le_p(reg_state + R_CXL_RAS_UNC_ERR_MASK, 0x1cfff); + stl_le_p(write_msk + R_CXL_RAS_UNC_ERR_MASK, 0x1cfff); + stl_le_p(reg_state + R_CXL_RAS_UNC_ERR_SEVERITY, 0x1cfff); + stl_le_p(write_msk + R_CXL_RAS_UNC_ERR_SEVERITY, 0x1cfff); + stl_le_p(reg_state + R_CXL_RAS_COR_ERR_STATUS, 0); + stl_le_p(reg_state + R_CXL_RAS_COR_ERR_MASK, 0x7f); + stl_le_p(write_msk + R_CXL_RAS_COR_ERR_MASK, 0x7f); /* CXL switches and devices must set */ - reg_state[R_CXL_RAS_ERR_CAP_CTRL] = 0x00; + stl_le_p(reg_state + R_CXL_RAS_ERR_CAP_CTRL, 0x00); } static void hdm_init_common(uint32_t *reg_state, uint32_t *write_msk,