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authorDan Williams <dan.j.williams@intel.com>2024-03-13 00:07:36 -0700
committerDan Williams <dan.j.williams@intel.com>2024-03-13 00:07:36 -0700
commitd5c0078033e2adf30e897d985fd29084ecb56b51 (patch)
tree4db9109b51457c17972fa262f1ac1bfc80aad9da /include/linux/acpi.h
parentc6c3187d66bc4e87086036266def4170742d7214 (diff)
parentdebdce20c4f28b7e5aa48512e7abf270a00e9051 (diff)
Merge branch 'for-6.9/cxl-qos' into for-6.9/cxl
Pick up support for CXL "HMEM reporting" for v6.9, i.e. build an HMAT from CXL CDAT and PCIe switch information.
Diffstat (limited to 'include/linux/acpi.h')
-rw-r--r--include/linux/acpi.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b7165e52b3c6..2a7c4b90d589 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1547,4 +1547,25 @@ static inline void acpi_use_parent_companion(struct device *dev)
ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
}
+#ifdef CONFIG_ACPI_HMAT
+int hmat_update_target_coordinates(int nid, struct access_coordinate *coord,
+ enum access_coordinate_class access);
+#else
+static inline int hmat_update_target_coordinates(int nid,
+ struct access_coordinate *coord,
+ enum access_coordinate_class access)
+{
+ return -EOPNOTSUPP;
+}
+#endif
+
+#ifdef CONFIG_ACPI_NUMA
+bool acpi_node_backed_by_real_pxm(int nid);
+#else
+static inline bool acpi_node_backed_by_real_pxm(int nid)
+{
+ return false;
+}
+#endif
+
#endif /*_LINUX_ACPI_H*/