Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 37 insertions, 0 deletions

diff --git a/roms/skiboot/core/powercap.c b/roms/skiboot/core/powercap.c
new file mode 100644
index 000000000..6ae58eb86
--- /dev/null
+++ b/roms/skiboot/core/powercap.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/*
+ * OPAL calls to get/set power caps
+ *
+ * Copyright 2017 IBM Corp.
+ */
+
+#include <powercap.h>
+
+static int opal_get_powercap(u32 handle, int token __unused, __be32 *__pcap)
+{
+	if (!__pcap || !opal_addr_valid(__pcap))
+		return OPAL_PARAMETER;
+
+	if (powercap_get_class(handle) == POWERCAP_CLASS_OCC) {
+		u32 pcap;
+		int rc;
+
+		rc = occ_get_powercap(handle, &pcap);
+		*__pcap = cpu_to_be32(pcap);
+		return rc;
+	}
+
+	return OPAL_UNSUPPORTED;
+};
+
+opal_call(OPAL_GET_POWERCAP, opal_get_powercap, 3);
+
+static int opal_set_powercap(u32 handle, int token, u32 pcap)
+{
+	if (powercap_get_class(handle) == POWERCAP_CLASS_OCC)
+		return occ_set_powercap(handle, token, pcap);
+
+	return OPAL_UNSUPPORTED;
+};
+
+opal_call(OPAL_SET_POWERCAP, opal_set_powercap, 3);