From patchwork Fri May 8 06:57:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shukun Tan X-Patchwork-Id: 11535759 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DE8841668 for ; Fri, 8 May 2020 06:59:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D109421582 for ; Fri, 8 May 2020 06:59:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726815AbgEHG7G (ORCPT ); Fri, 8 May 2020 02:59:06 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:42634 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726746AbgEHG7E (ORCPT ); Fri, 8 May 2020 02:59:04 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id F22001AECAA13F116667; Fri, 8 May 2020 14:58:59 +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, 8 May 2020 14:58:54 +0800 From: Shukun Tan To: , CC: , , Subject: [PATCH 10/13] crypto: hisilicon - remove codes of directly report device errors through MSI Date: Fri, 8 May 2020 14:57:45 +0800 Message-ID: <1588921068-20739-11-git-send-email-tanshukun1@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1588921068-20739-1-git-send-email-tanshukun1@huawei.com> References: <1588921068-20739-1-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 The hardware device can be configured to report directly through MSI, but this method will not go through RAS, configure all hardware errors that should be processed by driver to NFE. Signed-off-by: Shukun Tan --- drivers/crypto/hisilicon/hpre/hpre_main.c | 1 - drivers/crypto/hisilicon/qm.c | 54 +++++++------------------------ drivers/crypto/hisilicon/qm.h | 4 +-- drivers/crypto/hisilicon/sec2/sec_main.c | 1 - drivers/crypto/hisilicon/zip/zip_main.c | 1 - 5 files changed, 13 insertions(+), 48 deletions(-) diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c index 93df31a..5eedd3c 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_main.c +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c @@ -730,7 +730,6 @@ static const struct hisi_qm_err_ini hpre_err_ini = { .ce = QM_BASE_CE, .nfe = QM_BASE_NFE | QM_ACC_DO_TASK_TIMEOUT, .fe = 0, - .msi = QM_DB_RANDOM_INVALID, .ecc_2bits_mask = HPRE_CORE_ECC_2BIT_ERR | HPRE_OOO_ECC_2BIT_ERR, .msi_wr_port = HPRE_WR_MSI_PORT, diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index e988124..80935d6 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -313,8 +313,7 @@ struct hisi_qm_hw_ops { u8 cmd, u16 index, u8 priority); u32 (*get_irq_num)(struct hisi_qm *qm); int (*debug_init)(struct hisi_qm *qm); - void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe, - u32 msi); + void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe); void (*hw_error_uninit)(struct hisi_qm *qm); pci_ers_result_t (*hw_error_handle)(struct hisi_qm *qm); }; @@ -707,26 +706,6 @@ static irqreturn_t qm_aeq_irq(int irq, void *data) static irqreturn_t qm_abnormal_irq(int irq, void *data) { - const struct hisi_qm_hw_error *err = qm_hw_error; - struct hisi_qm *qm = data; - struct device *dev = &qm->pdev->dev; - u32 error_status, tmp; - - /* read err sts */ - tmp = readl(qm->io_base + QM_ABNORMAL_INT_STATUS); - error_status = qm->msi_mask & tmp; - - while (err->msg) { - if (err->int_msk & error_status) - dev_err(dev, "%s [error status=0x%x] found\n", - err->msg, err->int_msk); - - err++; - } - - /* clear err sts */ - writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE); - return IRQ_HANDLED; } @@ -1116,28 +1095,21 @@ static int qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index) return 0; } -static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe, - u32 msi) +static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe) { writel(QM_ABNORMAL_INT_MASK_VALUE, qm->io_base + QM_ABNORMAL_INT_MASK); } -static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe, - u32 msi) +static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe) { - u32 irq_enable = ce | nfe | fe | msi; + u32 irq_enable = ce | nfe | fe; u32 irq_unmask = ~irq_enable; - u32 error_status; qm->error_mask = ce | nfe | fe; - qm->msi_mask = msi; /* clear QM hw residual error source */ - error_status = readl(qm->io_base + QM_ABNORMAL_INT_STATUS); - if (error_status) { - error_status &= qm->error_mask; - writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE); - } + writel(QM_ABNORMAL_INT_SOURCE_CLR, + qm->io_base + QM_ABNORMAL_INT_SOURCE); /* configure error type */ writel(ce, qm->io_base + QM_RAS_CE_ENABLE); @@ -1145,9 +1117,6 @@ static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe, writel(nfe, qm->io_base + QM_RAS_NFE_ENABLE); writel(fe, qm->io_base + QM_RAS_FE_ENABLE); - /* use RAS irq default, so only set QM_RAS_MSI_INT_SEL for MSI */ - writel(msi, qm->io_base + QM_RAS_MSI_INT_SEL); - irq_unmask &= readl(qm->io_base + QM_ABNORMAL_INT_MASK); writel(irq_unmask, qm->io_base + QM_ABNORMAL_INT_MASK); } @@ -1207,9 +1176,11 @@ static pci_ers_result_t qm_hw_error_handle_v2(struct hisi_qm *qm) qm->err_status.is_qm_ecc_mbit = true; qm_log_hw_error(qm, error_status); - - /* clear err sts */ - writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE); + if (error_status == QM_DB_RANDOM_INVALID) { + writel(error_status, qm->io_base + + QM_ABNORMAL_INT_SOURCE); + return PCI_ERS_RESULT_RECOVERED; + } return PCI_ERS_RESULT_NEED_RESET; } @@ -2476,8 +2447,7 @@ static void qm_hw_error_init(struct hisi_qm *qm) return; } - qm->ops->hw_error_init(qm, err_info->ce, err_info->nfe, - err_info->fe, err_info->msi); + qm->ops->hw_error_init(qm, err_info->ce, err_info->nfe, err_info->fe); } static void qm_hw_error_uninit(struct hisi_qm *qm) diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h index 80b9746..fc5e96a 100644 --- a/drivers/crypto/hisilicon/qm.h +++ b/drivers/crypto/hisilicon/qm.h @@ -74,7 +74,7 @@ #define QM_BASE_NFE (QM_AXI_RRESP | QM_AXI_BRESP | QM_ECC_MBIT | \ QM_ACC_GET_TASK_TIMEOUT | QM_DB_TIMEOUT | \ - QM_OF_FIFO_OF) + QM_OF_FIFO_OF | QM_DB_RANDOM_INVALID) #define QM_BASE_CE QM_ECC_1BIT #define QM_Q_DEPTH 1024 @@ -158,7 +158,6 @@ struct hisi_qm_err_info { u32 ce; u32 nfe; u32 fe; - u32 msi; }; struct hisi_qm_err_status { @@ -224,7 +223,6 @@ struct hisi_qm { struct qm_debug debug; u32 error_mask; - u32 msi_mask; struct workqueue_struct *wq; struct work_struct work; diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index 703b8b1..28c73bb 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -682,7 +682,6 @@ static const struct hisi_qm_err_ini sec_err_ini = { .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", diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c index 1a5a6e3..226d398 100644 --- a/drivers/crypto/hisilicon/zip/zip_main.c +++ b/drivers/crypto/hisilicon/zip/zip_main.c @@ -643,7 +643,6 @@ static const struct hisi_qm_err_ini hisi_zip_err_ini = { .nfe = QM_BASE_NFE | QM_ACC_WB_NOT_READY_TIMEOUT, .fe = 0, - .msi = QM_DB_RANDOM_INVALID, .ecc_2bits_mask = HZIP_CORE_INT_STATUS_M_ECC, .msi_wr_port = HZIP_WR_PORT, .acpi_rst = "ZRST",