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ACPI: Support Generic Initiator only domains

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Generic Initiators are a new ACPI concept that allows for the
description of proximity domains that contain a device which
performs memory access (such as a network card) but neither
host CPU nor Memory.

This patch has the parsing code and provides the infrastructure
for an architecture to associate these new domains with their
nearest memory processing node.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Jonathan Cameron 2020-09-30 22:05:42 +08:00 • committed by Rafael J. Wysocki
parent 4849bc7770
commit 894c26a1c2
3 changed files with 72 additions and 1 deletions
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1
include/linux/nodemask.h
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@ -399,6 +399,7 @@ enum node_states {
#endif
N_MEMORY, /* The node has memory(regular, high, movable) */
N_CPU, /* The node has one or more cpus */
N_GENERIC_INITIATOR, /* The node has one or more Generic Initiators */
NR_NODE_STATES
};