From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59270) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBTtx-0002u8-6m for qemu-devel@nongnu.org; Tue, 22 Dec 2015 15:51:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aBTtu-0005uk-1e for qemu-devel@nongnu.org; Tue, 22 Dec 2015 15:51:21 -0500 Received: from mail-wm0-x22b.google.com ([2a00:1450:400c:c09::22b]:38074) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBTtt-0005ug-RB for qemu-devel@nongnu.org; Tue, 22 Dec 2015 15:51:17 -0500 Received: by mail-wm0-x22b.google.com with SMTP id l126so126617460wml.1 for ; Tue, 22 Dec 2015 12:51:17 -0800 (PST) Date: Tue, 22 Dec 2015 22:51:14 +0200 From: Shmulik Ladkani Message-ID: <20151222225114.79eba321@halley> In-Reply-To: <1450765104-26135-4-git-send-email-yanmiaobest@gmail.com> References: <1450765104-26135-1-git-send-email-yanmiaobest@gmail.com> <1450765104-26135-4-git-send-email-yanmiaobest@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 3/4] net/vmxnet3: return correct value for VMXNET3_CMD_GET_DEV_EXTRA_INFO List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Miao Yan Cc: dmitry@daynix.com, jasowang@redhat.com, qemu-devel@nongnu.org Hi, On Mon, 21 Dec 2015 22:18:23 -0800 Miao Yan wrote: > VMXNET3_CMD_GET_DEV_EXTRA_INFO should return 0 for emulation > mode > > This behavior can be observed by the following steps: > > 1) run a Linux distro on esxi server > 2) modify vmxnet3 Linux driver to read the register: > > VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DEV_EXTRA_INFO); > ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD); > pr_info("vmxnet3 dev_info: 0x%x\n", ret); > > The kernel log will have some like the following message: > > [ 7005.111170] vmxnet3 dev_info: 0x0 > > Signed-off-by: Miao Yan Reviewed-by: Shmulik Ladkani