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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B100C43458 for ; Fri, 3 Jul 2026 12:50:47 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 723D940A87; Fri, 3 Jul 2026 14:50:08 +0200 (CEST) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by mails.dpdk.org (Postfix) with ESMTP id 918FB40A76 for ; Fri, 3 Jul 2026 14:50:05 +0200 (CEST) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 75218200006; Fri, 3 Jul 2026 14:50:05 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3C15B200017; Fri, 3 Jul 2026 14:50:05 +0200 (CEST) Received: from lsv03583.swis.in-blr01.nxp.com (lsv03583.swis.in-blr01.nxp.com [92.120.146.12]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id B57EC1800071; Fri, 3 Jul 2026 20:50:03 +0800 (+08) From: Hemant Agrawal To: stephen@networkplumber.org, david.marchand@redhat.com, dev@dpdk.org Cc: Jun Yang Subject: [PATCH v7 08/16] bus/dpaa: add DPAA cgrid cleanup support Date: Fri, 3 Jul 2026 18:19:42 +0530 Message-Id: <20260703124950.1895871-9-hemant.agrawal@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260703124950.1895871-1-hemant.agrawal@nxp.com> References: <20260702053359.3243907-1-hemant.agrawal@nxp.com> <20260703124950.1895871-1-hemant.agrawal@nxp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: ClamAV using ClamSMTP 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 From: Jun Yang Add qman_find_fq_by_cgid() to find frame queues associated with a given CGID. This allows the driver to verify that all FQs using a CGR are shut down before releasing the CGR ID, preventing use-after-free of CGR resources. Signed-off-by: Jun Yang Signed-off-by: Hemant Agrawal --- drivers/bus/dpaa/dpaa_bus_base_symbols.c | 1 + drivers/bus/dpaa/include/fsl_qman.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/bus/dpaa/dpaa_bus_base_symbols.c b/drivers/bus/dpaa/dpaa_bus_base_symbols.c index bb308e0d61..02b245cd50 100644 --- a/drivers/bus/dpaa/dpaa_bus_base_symbols.c +++ b/drivers/bus/dpaa/dpaa_bus_base_symbols.c @@ -56,6 +56,7 @@ RTE_EXPORT_INTERNAL_SYMBOL(qman_alloc_pool_range) RTE_EXPORT_INTERNAL_SYMBOL(qman_alloc_cgrid_range) RTE_EXPORT_INTERNAL_SYMBOL(qman_release_cgrid_range) RTE_EXPORT_INTERNAL_SYMBOL(dpaa_get_qm_channel_pool_num) +RTE_EXPORT_INTERNAL_SYMBOL(qman_find_fq_by_cgrid) RTE_EXPORT_INTERNAL_SYMBOL(dpaa_intr_enable) RTE_EXPORT_INTERNAL_SYMBOL(dpaa_intr_disable) RTE_EXPORT_INTERNAL_SYMBOL(dpaa_get_ioctl_version_number) diff --git a/drivers/bus/dpaa/include/fsl_qman.h b/drivers/bus/dpaa/include/fsl_qman.h index bd46207232..20321ed355 100644 --- a/drivers/bus/dpaa/include/fsl_qman.h +++ b/drivers/bus/dpaa/include/fsl_qman.h @@ -1907,6 +1907,9 @@ static inline int qman_shutdown_fq_by_fqid(u32 fqid) return qman_shutdown_fq(&fq); } +__rte_internal +int qman_find_fq_by_cgrid(u32 cgrid, u32 *fqid); + /** * qman_reserve_fqid_range - Reserve the specified range of frame queue IDs * @fqid: the base FQID of the range to deallocate -- 2.25.1