Ping On 12/07/2016 01:13 AM, Michael Bringmann wrote: > Several properties in the DRC device tree format are replaced by > more compact representations to allow, for example, for the encoding > of vast amounts of memory, and or reduced duplication of information > in related data structures. > > "ibm,drc-info": This property, when present, replaces the following > four properties: "ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types" > and "ibm,drc-power-domains". This property is defined for all > dynamically reconfigurable platform nodes. The "ibm,drc-info" elements > are intended to provide a more compact representation, and reduce some > search overhead. > > "ibm,dynamic-memory-v2": This property replaces the "ibm,dynamic-memory" > node representation within the "ibm,dynamic-reconfiguration-memory" > property provided by the BMC. This element format is intended to provide > a more compact representation of memory, especially, for systems with > massive amounts of RAM. To simplify portability, this property is > converted to the "ibm,dynamic-memory" property during system boot. > > "ibm,architecture.vec": Bidirectional communication mechanism between > the host system and the front end processor indicating what features > the host system supports and what features the front end processor will > actually provide. In this case, we are indicating that the host system > can support the new device tree structures "ibm,drc-info" and > "ibm,dynamic-memory-v2". > > Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com> > > Michael Bringmann (8): > powerpc/firmware: Add definitions for new firmware features. > powerpc/memory: Parse new memory property to register blocks. > powerpc/memory: Parse new memory property to initialize structures. > pseries/hotplug init: Convert new DRC memory property for hotplug runtime > pseries/drc-info: Search new DRC properties for CPU indexes > hotplug/drc-info: Add code to search new devtree properties > powerpc: Check arch.vec earlier during boot for memory features > powerpc: Enable support for new DRC devtree properties > --- > Changes in V9: > -- Various code cleanup measures > > arch/powerpc/include/asm/firmware.h | 5 - > arch/powerpc/include/asm/prom.h | 38 ++++ > arch/powerpc/kernel/prom.c | 103 ++++++++++-- > arch/powerpc/kernel/prom_init.c | 3 > arch/powerpc/mm/numa.c | 168 ++++++++++++++++--- > arch/powerpc/platforms/pseries/firmware.c | 2 > arch/powerpc/platforms/pseries/pseries_energy.c | 202 > ++++++++++++++++++++--- > drivers/pci/hotplug/rpadlpar_core.c | 13 + > drivers/pci/hotplug/rpaphp.h | 4 > drivers/pci/hotplug/rpaphp_core.c | 108 +++++++++--- > 10 files changed, 543 insertions(+), 103 deletions(-) > >
-- Michael W. Bringmann Linux Technology Center IBM Corporation Tie-Line 363-5196 External: (512) 286-5196 Cell: (512) 466-0650 m...@linux.vnet.ibm.com
