On Wednesday, April 27, 2016 04:31:12 PM John Baldwin wrote: > Author: jhb > Date: Wed Apr 27 16:31:12 2016 > New Revision: 298708 > URL: https://svnweb.freebsd.org/changeset/base/298708 > > Log: > Implement a PCI bus rescan method. > > Rescanning a PCI bus uses the following steps: > - Fetch the current set of child devices and save it in the 'devlist' > array. > - Allocate a parallel array 'unchanged' initalized with NULL pointers. > - Scan the bus checking each slot (and each function on slots with a > multifunction device). > - If a valid function is found, look for a matching device in the 'devlist' > array. If a device is found, save the pointer in the 'unchanged' array. > If a device is not found, add a new device. > - After the scan has finished, walk the 'devlist' array deleting any > devices that do not have a matching pointer in the 'unchanged' array. > - Finally, fetch an updated set of child devices and explicitly attach any > devices that are not present in the 'unchanged' array. > > This builds on the previous changes to move subclass data management into > pci_alloc_devinfo(), pci_child_added(), and bus_child_deleted(). > > Subclasses of the PCI bus use custom rescan logic explicitly override the > rescan method to disable rescans. > > Differential Revision: https://reviews.freebsd.org/D6018
Argh, I thought for certain I had done a tinderbox build, but using kobj_error_method breaks the build. I will test a fix that adds a null_rescan method instead and commit it shortly. -- John Baldwin _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
