From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5B19AA0524; Mon, 31 May 2021 23:44:01 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0D52E40E32; Mon, 31 May 2021 23:42:48 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by mails.dpdk.org (Postfix) with ESMTP id 9C7A840FDF for ; Mon, 31 May 2021 23:42:46 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 14VLeDUF025917; Mon, 31 May 2021 14:42:43 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=AoTUGXVkqTkoaD1nD73AnyqDS3zKDuMHgzzlo6fPw1c=; b=jCBEAf0tsJC1x2u/44PnrmnR1vfPcC27DfwltEvQ+5mwL4sw/psZfz4vjVFk4bfnJ8oy /B0kGdkxP/v22IatvaLWbTxZFuUXLfhAq4IlW5Ee6xpyE6IxT3dKDtmgQ56InabbYvwd bLDLjWbgSCOzHAxgMCFZlOnzMJZaMCmRxtUmy3vTlDDLscijuyH9yHDfydbt8YdE+fW8 voNdqpM0NzYtSEHQ0nBFb293KgWF5O5+enWt/pLbxQY7x/49VGqpADO8c2RguT9y2S/y 45l1plCyYbuFAcd89BCjluC/DNakCEIFYRLP3+O0oA8JjBScB7N1YR4PfJK1I9WwuXD4 1Q== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com with ESMTP id 38vjqj339x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 31 May 2021 14:42:43 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 31 May 2021 14:42:42 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 31 May 2021 14:42:42 -0700 Received: from EH-LT0048.marvell.com (unknown [10.193.32.52]) by maili.marvell.com (Postfix) with ESMTP id 3B3EB3F7040; Mon, 31 May 2021 14:42:40 -0700 (PDT) From: Tomasz Duszynski To: CC: , , Tomasz Duszynski , Nithin Dabilpuram , "Kiran Kumar K" , Sunil Kumar Kori , Satha Rao , Ray Kinsella , Neil Horman Date: Mon, 31 May 2021 23:41:35 +0200 Message-ID: <20210531214142.30167-22-tduszynski@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210531214142.30167-1-tduszynski@marvell.com> References: <20210531214142.30167-1-tduszynski@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-GUID: TL1e9MprKOF_YYTYeZIr-_3u5j34zPnM X-Proofpoint-ORIG-GUID: TL1e9MprKOF_YYTYeZIr-_3u5j34zPnM X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-05-31_15:2021-05-31, 2021-05-31 signatures=0 Subject: [dpdk-dev] [PATCH 21/28] common/cnxk: add support for clearing bphy irq handler X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support for clearing previously register baseband phy irq handler. Signed-off-by: Jakub Palider Signed-off-by: Tomasz Duszynski --- drivers/common/cnxk/roc_bphy_irq.c | 66 ++++++++++++++++++++++++++++++ drivers/common/cnxk/roc_bphy_irq.h | 2 + drivers/common/cnxk/version.map | 1 + 3 files changed, 69 insertions(+) diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c index f988abf51..4b87fc801 100644 --- a/drivers/common/cnxk/roc_bphy_irq.c +++ b/drivers/common/cnxk/roc_bphy_irq.c @@ -33,6 +33,7 @@ struct roc_bphy_irq_stack { #define ROC_BPHY_IOC_MAGIC 0xF3 #define ROC_BPHY_IOC_SET_BPHY_HANDLER \ _IOW(ROC_BPHY_IOC_MAGIC, 1, struct roc_bphy_irq_usr_data) +#define ROC_BPHY_IOC_CLR_BPHY_HANDLER _IO(ROC_BPHY_IOC_MAGIC, 2) #define ROC_BPHY_IOC_GET_BPHY_MAX_IRQ _IOR(ROC_BPHY_IOC_MAGIC, 3, uint64_t) #define ROC_BPHY_IOC_GET_BPHY_BMASK_IRQ _IOR(ROC_BPHY_IOC_MAGIC, 4, uint64_t) @@ -316,3 +317,68 @@ roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip, int irq_num) return irq_chip->avail_irq_bmask & BIT(irq_num); } + +int +roc_bphy_handler_clear(struct roc_bphy_irq_chip *chip, int irq_num) +{ + roc_cpuset_t orig_cpuset, intr_cpuset; + const struct plt_memzone *mz; + int retval; + + if (chip == NULL) + return -EINVAL; + if ((uint64_t)irq_num >= chip->max_irq || irq_num < 0) + return -EINVAL; + if (!roc_bphy_intr_available(chip, irq_num)) + return -ENOTSUP; + if (chip->irq_vecs[irq_num].handler == NULL) + return -EINVAL; + mz = plt_memzone_lookup(chip->mz_name); + if (mz == NULL) + return -ENXIO; + + retval = pthread_getaffinity_np(pthread_self(), sizeof(orig_cpuset), + &orig_cpuset); + if (retval < 0) { + plt_warn("Failed to get affinity mask"); + CPU_ZERO(&orig_cpuset); + CPU_SET(0, &orig_cpuset); + } + + CPU_ZERO(&intr_cpuset); + CPU_SET(chip->irq_vecs[irq_num].handler_cpu, &intr_cpuset); + retval = pthread_setaffinity_np(pthread_self(), sizeof(intr_cpuset), + &intr_cpuset); + if (retval < 0) { + plt_warn("Failed to set affinity mask"); + CPU_ZERO(&orig_cpuset); + CPU_SET(0, &orig_cpuset); + } + + retval = ioctl(chip->intfd, ROC_BPHY_IOC_CLR_BPHY_HANDLER, irq_num); + if (retval == 0) { + roc_bphy_irq_stack_remove(chip->irq_vecs[irq_num].handler_cpu); + chip->n_handlers--; + chip->irq_vecs[irq_num].isr_data = NULL; + chip->irq_vecs[irq_num].handler = NULL; + chip->irq_vecs[irq_num].handler_cpu = -1; + if (chip->n_handlers == 0) { + retval = plt_memzone_free(mz); + if (retval < 0) + plt_err("Failed to free memzone: irq %d", + irq_num); + } + } else { + plt_err("Failed to clear bphy interrupt handler"); + } + + retval = pthread_setaffinity_np(pthread_self(), sizeof(orig_cpuset), + &orig_cpuset); + if (retval < 0) { + plt_warn("Failed to restore affinity mask"); + CPU_ZERO(&orig_cpuset); + CPU_SET(0, &orig_cpuset); + } + + return retval; +} diff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h index 7dd23f4ab..778764f68 100644 --- a/drivers/common/cnxk/roc_bphy_irq.h +++ b/drivers/common/cnxk/roc_bphy_irq.h @@ -32,5 +32,7 @@ roc_bphy_irq_handler_set(struct roc_bphy_irq_chip *chip, int irq_num, void *isr_data); __roc_api bool roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip, int irq_num); +__roc_api int roc_bphy_handler_clear(struct roc_bphy_irq_chip *chip, + int irq_num); #endif /* _ROC_BPHY_IRQ_ */ diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map index 861a97cc0..941055ba0 100644 --- a/drivers/common/cnxk/version.map +++ b/drivers/common/cnxk/version.map @@ -22,6 +22,7 @@ INTERNAL { roc_bphy_cgx_stop_rxtx; roc_bphy_dev_fini; roc_bphy_dev_init; + roc_bphy_handler_clear; roc_bphy_intr_available; roc_bphy_intr_fini; roc_bphy_intr_handler; -- 2.25.1