Author: andrew
Date: Fri Aug 4 10:33:22 2017
New Revision: 322051
URL: https://svnweb.freebsd.org/changeset/base/322051
Log:
Read the numa-node-id property from each CPU node. This will initially be
used to support the dual package ThunderX where we need to send MSI/MSI-X
interrupts to the same package as the device the interrupt came from.
Sponsored by: DARPA, AFRL
Modified:
head/sys/arm64/arm64/mp_machdep.c
Modified: head/sys/arm64/arm64/mp_machdep.c
==============================================================================
--- head/sys/arm64/arm64/mp_machdep.c Fri Aug 4 09:45:40 2017
(r322050)
+++ head/sys/arm64/arm64/mp_machdep.c Fri Aug 4 10:33:22 2017
(r322051)
@@ -67,6 +67,7 @@ __FBSDID("$FreeBSD$");
#ifdef FDT
#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_cpu.h>
#endif
@@ -196,6 +197,10 @@ arm64_cpu_attach(device_t dev)
/* Set the device to start it later */
cpu_list[cpuid] = dev;
+
+ /* Try to read the numa node of this cpu */
+ OF_getencprop(ofw_bus_get_node(dev), "numa-node-id",
+ &__pcpu[cpuid].pc_domain, sizeof(__pcpu[cpuid].pc_domain));
return (0);
}
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