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/* Copyright 2017 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 __LPC_MBOX_H
#define __LPC_MBOX_H
#include <hiomap.h>
#include <opal.h>
#include <ccan/endian/endian.h>
#define BMC_MBOX_ARGS_REGS 11
#define BMC_MBOX_READ_REGS 16
#define BMC_MBOX_WRITE_REGS 13
#define MBOX_C_RESET_STATE HIOMAP_C_RESET
#define MBOX_C_GET_MBOX_INFO HIOMAP_C_GET_INFO
#define MBOX_C_GET_FLASH_INFO HIOMAP_C_GET_FLASH_INFO
#define MBOX_C_CREATE_READ_WINDOW HIOMAP_C_CREATE_READ_WINDOW
#define MBOX_C_CLOSE_WINDOW HIOMAP_C_CLOSE_WINDOW
#define MBOX_C_CREATE_WRITE_WINDOW HIOMAP_C_CREATE_WRITE_WINDOW
#define MBOX_C_MARK_WRITE_DIRTY HIOMAP_C_MARK_DIRTY
#define MBOX_C_WRITE_FLUSH HIOMAP_C_FLUSH
#define MBOX_C_BMC_EVENT_ACK HIOMAP_C_ACK
#define MBOX_C_MARK_WRITE_ERASED HIOMAP_C_ERASE
#define MBOX_C_GET_FLASH_NAME HIOMAP_C_DEVICE_NAME
#define MBOX_C_MARK_LOCKED HIOMAP_C_LOCK
#define MBOX_COMMAND_COUNT 12
#define MBOX_R_SUCCESS 0x01
#define MBOX_R_PARAM_ERROR 0x02
#define MBOX_R_WRITE_ERROR 0x03
#define MBOX_R_SYSTEM_ERROR 0x04
#define MBOX_R_TIMEOUT 0x05
#define MBOX_R_BUSY 0x06
#define MBOX_R_WINDOW_ERROR 0x07
#define MBOX_R_SEQ_ERROR 0x08
#define MBOX_R_LOCKED 0x09
#define MBOX_ATTN_ACK_MASK HIOMAP_E_ACK_MASK
#define MBOX_ATTN_BMC_REBOOT HIOMAP_E_PROTOCOL_RESET
#define MBOX_ATTN_BMC_WINDOW_RESET HIOMAP_E_WINDOW_RESET
#define MBOX_ATTN_BMC_FLASH_LOST HIOMAP_E_FLASH_LOST
#define MBOX_ATTN_BMC_DAEMON_READY HIOMAP_E_DAEMON_READY
/* Default poll interval before interrupts are working */
#define MBOX_DEFAULT_POLL_MS 200
struct bmc_mbox_msg {
uint8_t command;
uint8_t seq;
uint8_t args[BMC_MBOX_ARGS_REGS];
uint8_t response;
uint8_t host;
uint8_t bmc;
};
int bmc_mbox_enqueue(struct bmc_mbox_msg *msg, unsigned int timeout_sec);
int bmc_mbox_register_callback(void (*callback)(struct bmc_mbox_msg *msg, void *priv),
void *drv_data);
int bmc_mbox_register_attn(void (*callback)(uint8_t bits, void *priv),
void *drv_data);
uint8_t bmc_mbox_get_attn_reg(void);
#endif /* __LPC_MBOX_H */
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