From patchwork Fri Apr 3 08:16:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shukun Tan X-Patchwork-Id: 197908 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3472C2BA19 for ; Fri, 3 Apr 2020 08:17:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B405420721 for ; Fri, 3 Apr 2020 08:17:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390511AbgDCIR4 (ORCPT ); Fri, 3 Apr 2020 04:17:56 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:12678 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2390508AbgDCIRz (ORCPT ); Fri, 3 Apr 2020 04:17:55 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 0CF5C5C2BAA737A13302; Fri, 3 Apr 2020 16:17:50 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Fri, 3 Apr 2020 16:17:40 +0800 From: Shukun Tan To: , CC: , Yang Shen , "Shukun Tan" Subject: [PATCH 4/5] crypto: hisilicon/sec2 - add controller reset support for SEC2 Date: Fri, 3 Apr 2020 16:16:41 +0800 Message-ID: <1585901802-48945-5-git-send-email-tanshukun1@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1585901802-48945-1-git-send-email-tanshukun1@huawei.com> References: <1585901802-48945-1-git-send-email-tanshukun1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Yang Shen Add support for controller reset in SEC driver. Signed-off-by: Yang Shen Signed-off-by: Shukun Tan Reviewed-by: Zhou Wang Reviewed-by: Zaibo Xu --- drivers/crypto/hisilicon/sec2/sec_main.c | 40 ++++++++++++++++++++++---------- 1 file changed, 28 insertions(+), 12 deletions(-) diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index c76c49e..07a5f4e 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -249,9 +249,8 @@ static const struct pci_device_id sec_dev_ids[] = { }; MODULE_DEVICE_TABLE(pci, sec_dev_ids); -static u8 sec_get_endian(struct sec_dev *sec) +static u8 sec_get_endian(struct hisi_qm *qm) { - struct hisi_qm *qm = &sec->qm; u32 reg; /* @@ -279,9 +278,8 @@ static u8 sec_get_endian(struct sec_dev *sec) return SEC_64BE; } -static int sec_engine_init(struct sec_dev *sec) +static int sec_engine_init(struct hisi_qm *qm) { - struct hisi_qm *qm = &sec->qm; int ret; u32 reg; @@ -324,7 +322,7 @@ static int sec_engine_init(struct sec_dev *sec) /* config endian */ reg = readl_relaxed(SEC_ADDR(qm, SEC_CONTROL_REG)); - reg |= sec_get_endian(sec); + reg |= sec_get_endian(qm); writel_relaxed(reg, SEC_ADDR(qm, SEC_CONTROL_REG)); /* Enable sm4 xts mode multiple iv */ @@ -334,10 +332,8 @@ static int sec_engine_init(struct sec_dev *sec) return 0; } -static int sec_set_user_domain_and_cache(struct sec_dev *sec) +static int sec_set_user_domain_and_cache(struct hisi_qm *qm) { - struct hisi_qm *qm = &sec->qm; - /* qm user domain */ writel(AXUSER_BASE, qm->io_base + QM_ARUSER_M_CFG_1); writel(ARUSER_M_CFG_ENABLE, qm->io_base + QM_ARUSER_M_CFG_ENABLE); @@ -358,7 +354,7 @@ static int sec_set_user_domain_and_cache(struct sec_dev *sec) CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) | FIELD_PREP(CQC_CACHE_WB_THRD, 1), qm->io_base + QM_CACHE_CTL); - return sec_engine_init(sec); + return sec_engine_init(qm); } /* sec_debug_regs_clear() - clear the sec debug regs */ @@ -683,8 +679,6 @@ static void sec_log_hw_error(struct hisi_qm *qm, u32 err_sts) } errs++; } - - writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE); } static u32 sec_get_hw_err_status(struct hisi_qm *qm) @@ -692,17 +686,37 @@ static u32 sec_get_hw_err_status(struct hisi_qm *qm) return readl(qm->io_base + SEC_CORE_INT_STATUS); } +static void sec_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts) +{ + writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE); +} + +static void sec_open_axi_master_ooo(struct hisi_qm *qm) +{ + u32 val; + + val = readl(SEC_ADDR(qm, SEC_CONTROL_REG)); + writel(val & SEC_AXI_SHUTDOWN_DISABLE, SEC_ADDR(qm, SEC_CONTROL_REG)); + writel(val | SEC_AXI_SHUTDOWN_ENABLE, SEC_ADDR(qm, SEC_CONTROL_REG)); +} + static const struct hisi_qm_err_ini sec_err_ini = { + .hw_init = sec_set_user_domain_and_cache, .hw_err_enable = sec_hw_error_enable, .hw_err_disable = sec_hw_error_disable, .get_dev_hw_err_status = sec_get_hw_err_status, + .clear_dev_hw_err_status = sec_clear_hw_err_status, .log_dev_hw_err = sec_log_hw_error, + .open_axi_master_ooo = sec_open_axi_master_ooo, .err_info = { .ce = QM_BASE_CE, .nfe = QM_BASE_NFE | QM_ACC_DO_TASK_TIMEOUT | QM_ACC_WB_NOT_READY_TIMEOUT, .fe = 0, .msi = QM_DB_RANDOM_INVALID, + .ecc_2bits_mask = SEC_CORE_INT_STATUS_M_ECC, + .msi_wr_port = BIT(0), + .acpi_rst = "SRST", } }; @@ -726,7 +740,7 @@ static int sec_pf_probe_init(struct sec_dev *sec) qm->err_ini = &sec_err_ini; - ret = sec_set_user_domain_and_cache(sec); + ret = sec_set_user_domain_and_cache(qm); if (ret) return ret; @@ -783,6 +797,7 @@ static int sec_probe_init(struct hisi_qm *qm, struct sec_dev *sec) qm->qp_base = SEC_PF_DEF_Q_BASE; qm->qp_num = pf_q_num; qm->debug.curr_qm_qp_num = pf_q_num; + qm->qm_list = &sec_devices; ret = sec_pf_probe_init(sec); if (ret) @@ -936,6 +951,7 @@ static void sec_remove(struct pci_dev *pdev) static const struct pci_error_handlers sec_err_handler = { .error_detected = hisi_qm_dev_err_detected, + .slot_reset = hisi_qm_dev_slot_reset, }; static struct pci_driver sec_pci_driver = {