From: Nathan Fontenot Date: Tue, 24 Nov 2009 21:10:49 +0000 (+0000) Subject: powerpc/pseries: Kernel DLPAR Infrastructure X-Git-Tag: v2.6.33-rc1~293^2~22 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab519a011caa5ec47d992cb8a4fc8e7af9b9e3f8;p=pandora-kernel.git powerpc/pseries: Kernel DLPAR Infrastructure The Dynamic Logical Partitioning capabilities of the powerpc pseries platform allows for the addition and removal of resources (i.e. CPU's, memory, and PCI devices) from a partition. The removal of a resource involves removing the resource's node from the device tree and then returning the resource to firmware via the rtas set-indicator call. To add a resource, it is first obtained from firmware via the rtas set-indicator call and then a new device tree node is created using the ibm,configure-coinnector rtas call and added to the device tree. This patch provides the kernel DLPAR infrastructure in a new filed named dlpar.c. The functionality provided is for acquiring and releasing a resource from firmware and the parsing of information returned from the ibm,configure-connector rtas call. Additionally this exports the pSeries reconfiguration notifier chain so that it can be invoked when device tree updates are made. Signed-off-by: Nathan Fontenot Acked-by: Paul Mackerras Signed-off-by: Benjamin Herrenschmidt --- Reading git-diff-tree failed