From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from compass.polito.it (compass.polito.it [130.192.55.110]) by dpdk.org (Postfix) with ESMTP id 4AFB3C314 for ; Tue, 14 Jul 2015 11:06:39 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by compass.polito.it (Postfix) with ESMTP id 0918E1000E0 for ; Tue, 14 Jul 2015 11:06:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= studenti.polito.it; h=content-type:content-type:to:from:from :subject:subject:message-id:date:date:received:mime-version :received:received:received; s=y2k10; t=1436864798; bh=sQzP4NiNb SvG+dGLLh8l8GVIOtYHgBh90J2aJt+lz04=; b=WSKuqbJ/tvlirhs0liD1xtbNm yESFKa8Ra7T2L0gdv/WiQ3RUbS88jA+7XAHIf9d6TwwD6iFcAf9EXj4CwoMYA+1o FLAEYQ45byZEuaKVcdNErGvmBk+igW+D8vm6XGjjidUknuZQ8LHSR1nWXBl7tsCu 7RC8w9sty2dji5A8Xw= X-Virus-Scanned: amavisd-new at studenti.polito.it Received: from compass.polito.it ([127.0.0.1]) by localhost (compass.polito.it [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id Q3iIxlPuy6bT for ; Tue, 14 Jul 2015 11:06:38 +0200 (CEST) Received: from mail-la0-f51.google.com (mail-la0-f51.google.com [209.85.215.51]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: s203403@studenti.polito.it) by compass.polito.it (Postfix) with ESMTPSA id 1C21E1000FA for ; Tue, 14 Jul 2015 11:06:38 +0200 (CEST) Received: by lagw2 with SMTP id w2so2202906lag.3 for ; Tue, 14 Jul 2015 02:06:37 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.152.21.5 with SMTP id r5mr36389653lae.24.1436864797584; Tue, 14 Jul 2015 02:06:37 -0700 (PDT) Received: by 10.25.149.134 with HTTP; Tue, 14 Jul 2015 02:06:37 -0700 (PDT) Date: Tue, 14 Jul 2015 11:06:37 +0200 Message-ID: From: =?UTF-8?Q?Mauricio_V=C3=A1squez?= To: dev@dpdk.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] IVSHMEM hotplug support in DPDK X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jul 2015 09:06:39 -0000 Hi All, I am trying to understand if there is support for hotplugging of IVSHMEM devices in dpdk. I set up a simple experiment where I hotplugged an ivshmem device into a VM using the device_add command plus the command line generated by rte_ivshmem_metadata_cmdline_generate in QEMU monitor. It appears to work, in fact, when I run lspci in the guest I can see the device, but when I execute a simple dpdk application that looks for a ring that was previously mapped into the device, it's not able to find it. In fact when the application starts, the EAL appears not to find the device. So my question is the following: is there support for IVSHMEM hotplug in the current dpdk implementation? I used the last dpdk version available in git, a host with a kernel 3.13.0-43 and a guest with 3.12.0-rc1. Thank you very much. Mauricio V,