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 6CD4C46507; Sat, 5 Apr 2025 02:36:02 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 49AE640613; Sat, 5 Apr 2025 02:35:48 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id D878640430 for ; Sat, 5 Apr 2025 02:35:46 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1202) id BA15B2027E0F; Fri, 4 Apr 2025 17:35:45 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com BA15B2027E0F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxonhyperv.com; s=default; t=1743813345; bh=WV2TDwvRsMn5thrDCl0mOpcIjrHwp4o5VevAzW9dmEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K9xNs/XSk71XjqYi8sSL8b4nEAGkeUxzTD1cx19U5rOkBKuKPxvUohNdbHxZD6O9F foQrYyty+ZT7gDx38e0+kAVDHXuF7Uk7X0e5zz2MB5kS1o63Ak2s0bfOITEuCBCZS5 T87gJEDkTwFFsZydnBCitvmDsjoxDLgYptUMNCEM= From: longli@linuxonhyperv.com To: Stephen Hemminger , Wei Hu Cc: dev@dpdk.org, Long Li Subject: [Patch v3 3/6] bus/vmbus: store UIO fd for secondary process Date: Fri, 4 Apr 2025 17:35:35 -0700 Message-Id: <1743813338-28238-4-git-send-email-longli@linuxonhyperv.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1743813338-28238-1-git-send-email-longli@linuxonhyperv.com> References: <1743813338-28238-1-git-send-email-longli@linuxonhyperv.com> 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: Long Li Secondary process will get access to vmbus device and this UIO fd for signaling hyperv host on channels without monitoring support. Signed-off-by: Long Li --- drivers/bus/vmbus/vmbus_common_uio.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/bus/vmbus/vmbus_common_uio.c b/drivers/bus/vmbus/vmbus_common_uio.c index 4d4613513c..d55aee6537 100644 --- a/drivers/bus/vmbus/vmbus_common_uio.c +++ b/drivers/bus/vmbus/vmbus_common_uio.c @@ -86,8 +86,11 @@ vmbus_uio_map_secondary(struct rte_vmbus_device *dev) return -1; } - /* fd is not needed in secondary process, close it */ - close(fd); + if (rte_intr_fd_set(dev->intr_handle, fd)) + return -1; + + if (rte_intr_type_set(dev->intr_handle, RTE_INTR_HANDLE_UIO_INTX)) + return -1; /* Create and map primary channel */ if (vmbus_chan_create(dev, dev->relid, 0, @@ -256,7 +259,7 @@ vmbus_uio_unmap_resource(struct rte_vmbus_device *dev) /* free uio resource */ rte_free(uio_res); - /* close fd if in primary process */ + /* close fd */ if (rte_intr_fd_get(dev->intr_handle) >= 0) close(rte_intr_fd_get(dev->intr_handle)); -- 2.34.1