From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ale.deltatee.com (ale.deltatee.com. [207.54.116.67]) by gmr-mx.google.com with ESMTPS id q125si179291ywg.4.2017.11.27.17.42.51 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 27 Nov 2017 17:42:52 -0800 (PST) References: <37fc41d9-5191-6f41-fd65-e175f0c661fa@deltatee.com> <0557295a-c60c-4aff-95ec-cb93296066ce@googlegroups.com> From: Logan Gunthorpe Message-ID: <87e0fa6c-025c-d5b6-b683-dbb6be9cb115@deltatee.com> Date: Mon, 27 Nov 2017 18:42:49 -0700 MIME-Version: 1.0 In-Reply-To: <0557295a-c60c-4aff-95ec-cb93296066ce@googlegroups.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-CA Content-Transfer-Encoding: 7bit Subject: Re: Ntb Transport Driver Problem After Power-up To: Karl Kao , linux-ntb List-ID: On 27/11/17 05:14 PM, Karl Kao wrote: > Would Microsemi turn off the NTB pcie link once the hardware chip is > being through a reset? > We can have the chip by default disable NTB link until hardware driver > is loaded to make sure either reset or power cycle that the NTB link > will be down. The hardware chip won't be reset in this situation. That would kill the other host. The "NTB link" is tracked in the driver as hardware only has support for link events on each of the ports. Logan