From mboxrd@z Thu Jan 1 00:00:00 1970 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 7E9D0C433EF for ; Mon, 28 Feb 2022 09:03:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234214AbiB1JEJ (ORCPT ); Mon, 28 Feb 2022 04:04:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234263AbiB1JDt (ORCPT ); Mon, 28 Feb 2022 04:03:49 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3ABFB3FBF5; Mon, 28 Feb 2022 01:02:58 -0800 (PST) Received: from fraeml734-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4K6ZBL2Mf8z67xdg; Mon, 28 Feb 2022 17:01:46 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml734-chm.china.huawei.com (10.206.15.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 28 Feb 2022 10:02:56 +0100 Received: from A2006125610.china.huawei.com (10.47.94.1) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 28 Feb 2022 09:02:48 +0000 From: Shameer Kolothum To: , , CC: , , , , , , , , , Subject: [PATCH v6 08/10] crypto: hisilicon/qm: Set the VF QM state register Date: Mon, 28 Feb 2022 09:01:19 +0000 Message-ID: <20220228090121.1903-9-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20220228090121.1903-1-shameerali.kolothum.thodi@huawei.com> References: <20220228090121.1903-1-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.47.94.1] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Longfang Liu We use VF QM state register to record the status of the QM configuration state. This will be used in the ACC migration driver to determine whether we can safely save and restore the QM data. Signed-off-by: Longfang Liu Signed-off-by: Shameer Kolothum --- drivers/crypto/hisilicon/qm.c | 8 ++++++++ include/linux/hisi_acc_qm.h | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 8c29f9fba573..5a0ac6cb6eeb 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -3492,6 +3492,12 @@ static void hisi_qm_pci_uninit(struct hisi_qm *qm) pci_disable_device(pdev); } +static void hisi_qm_set_state(struct hisi_qm *qm, u8 state) +{ + if (qm->ver > QM_HW_V2 && qm->fun_type == QM_HW_VF) + writel(state, qm->io_base + QM_VF_STATE); +} + /** * hisi_qm_uninit() - Uninitialize qm. * @qm: The qm needed uninit. @@ -3520,6 +3526,7 @@ void hisi_qm_uninit(struct hisi_qm *qm) dma_free_coherent(dev, qm->qdma.size, qm->qdma.va, qm->qdma.dma); } + hisi_qm_set_state(qm, QM_NOT_READY); up_write(&qm->qps_lock); qm_irq_unregister(qm); @@ -3745,6 +3752,7 @@ int hisi_qm_start(struct hisi_qm *qm) if (!ret) atomic_set(&qm->status.flags, QM_START); + hisi_qm_set_state(qm, QM_READY); err_unlock: up_write(&qm->qps_lock); return ret; diff --git a/include/linux/hisi_acc_qm.h b/include/linux/hisi_acc_qm.h index 70706c1fb7b6..cae3e02ce23e 100644 --- a/include/linux/hisi_acc_qm.h +++ b/include/linux/hisi_acc_qm.h @@ -67,6 +67,7 @@ #define QM_DB_RAND_SHIFT_V2 16 #define QM_DB_INDEX_SHIFT_V2 32 #define QM_DB_PRIORITY_SHIFT_V2 48 +#define QM_VF_STATE 0x60 /* qm cache */ #define QM_CACHE_CTL 0x100050 @@ -162,6 +163,11 @@ enum qm_debug_file { DEBUG_FILE_NUM, }; +enum qm_vf_state { + QM_READY = 0, + QM_NOT_READY, +}; + struct qm_dfx { atomic64_t err_irq_cnt; atomic64_t aeq_irq_cnt; -- 2.25.1