Date: Mon, 25 Mar 2019 08:05:56 -0600 From: Ian Lepore <ian@freebsd.org> To: "Hongxiong Xian (Wicresoft North America Ltd)" <v-hoxian@microsoft.com>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: How to hotplug a PCI device (such as VF) on FreeBSD Message-ID: <870b2d47aa83dafac107fb32e25afe26f3295208.camel@freebsd.org> In-Reply-To: <HK0P153MB0130D768D53BF1FBE68C5AA1835E0@HK0P153MB0130.APCP153.PROD.OUTLOOK.COM> References: <HK0P153MB0130D768D53BF1FBE68C5AA1835E0@HK0P153MB0130.APCP153.PROD.OUTLOOK.COM>
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On Mon, 2019-03-25 at 08:49 +0000, Hongxiong Xian (Wicresoft North America Ltd) wrote: > Hi, > > I'm looking for a way to refresh the pci device list. > In Linux, we can remove a particular pci device, and then after > preforming a "rescan" the device will appear again. > For example, disable/rescind PCI (such as VF) : > echo 1 > /sys/bus/pci/devices/0001\:00\:02.0/remove > # Get the device back > echo 1 > /sys/bus/pci/rescan > > I'm looking for a similar way in FreeBSD. Does the FreeBSD support > the hotplug of a PCI device? Thanks in advance! > > I think 'devctl rescan' will do that, 'man devctl' for details. -- Ian
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