Initial commit of Open Source release

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/include/cec.h b/include/cec.h
new file mode 100644
index 0000000..87cdc0e
--- /dev/null
+++ b/include/cec.h
@@ -0,0 +1,51 @@
+/* Copyright 2013-2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * 	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __CEC_H
+#define __CEC_H
+
+#include <stdint.h>
+
+/* This represent an IO Hub and contains the function pointers
+ * for the IO Hub related OPAL ops and other internal functions
+ */
+
+struct io_hub;
+
+struct io_hub_ops {
+	/* OPAL_PCI_SET_HUB_TCE_MEMORY (p5ioc2 only) */
+	int64_t (*set_tce_mem)(struct io_hub *hub, uint64_t address,
+				   uint64_t size);
+
+	/* OPAL_PCI_GET_HUB_DIAG_DATA */
+	int64_t (*get_diag_data)(struct io_hub *hub, void *diag_buffer,
+				 uint64_t diag_buffer_len);
+
+	/* Called on fast reset */
+	void (*reset)(struct io_hub *hub);
+};
+
+struct io_hub {
+	uint32_t			hub_id;
+	const struct io_hub_ops		*ops;
+};
+
+extern struct io_hub *cec_get_hub_by_id(uint32_t hub_id);
+
+extern void cec_reset(void);
+extern void cec_register(struct io_hub *hub);
+
+#endif /* __CEC_H */