Hi Eric, Thanks for pointing this out. This BP (https://blueprints.launchpad.net/zun/+spec/use-privsep) was created to track the introduction of privsep.
Best regards, Hongbin > -----Original Message----- > From: Eric Fried [mailto:[email protected]] > Sent: September-18-17 10:51 AM > To: OpenStack Development Mailing List (not for usage questions) > Subject: Re: [openstack-dev] [zun][unit test] Any python utils can > collect pci info? > > You may get a little help from the methods in nova.pci.utils. > > If you're calling out to lspci or accessing sysfs, be aware of this > series [1] and do it via the new privsep mechanisms. > > [1] > https://review.openstack.org/#/q/status:open+project:openstack/nova+bra > nch:master+topic:hurrah-for-privsep > > On 09/17/2017 09:41 PM, Hongbin Lu wrote: > > Hi Shunli, > > > > > > > > I am not aware of any prevailing python utils for this. An > alternative > > is to shell out Linux commands to collect the information. After a > > quick search, it looks xenapi [1] uses “lspci -vmmnk” to collect PCI > > device detail info and “ls /sys/bus/pci/devices/<pci_device>/” to > > detect the PCI device type (PF or VF). FWIW, you might find it > helpful > > to refer the implementation of Nova’s xenapi driver for gettiing PCI > resources [2]. > > Hope it helps. > > > > > > > > [1] > > https://github.com/openstack/os- > xenapi/blob/master/os_xenapi/dom0/etc/ > > xapi.d/plugins/xenhost.py#L593 > > > > [2] > > > https://github.com/openstack/nova/blob/master/nova/virt/xenapi/host.py > > #L154 > > > > > > > > Best regards, > > > > Hongbin > > > > > > > > *From:*Shunli Zhou [mailto:[email protected]] > > *Sent:* September-17-17 9:35 PM > > *To:* [email protected] > > *Subject:* [openstack-dev] [zun][unit test] Any python utils can > > collect pci info? > > > > > > > > Hi all, > > > > > > > > For > > https://blueprints.launchpad.net/zun/+spec/support- > pcipassthroughfilte > > r this BP, Nova use the libvirt to collect the PCI device info. But > > for zun, libvirt seems is a heavy dependecies. Is there a python > utils > > that can be used to collect the PCI device detail info? Such as the > > whether it's a PF of network pci device of VF, the device > > capabilities, etc. > > > > > > > > Note: For 'lspci -D -nnmm' , there are some info can not get. > > > > > > > > > > > > Thanks > > > > > > > > > ______________________________________________________________________ > > ____ OpenStack Development Mailing List (not for usage questions) > > Unsubscribe: > > [email protected]?subject:unsubscribe > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > _______________________________________________________________________ > ___ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev- > [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: [email protected]?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
