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/* 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 */
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