76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/* Copyright 2017 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __LPC_MBOX_H
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#define __LPC_MBOX_H
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#include <hiomap.h>
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#include <opal.h>
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#include <ccan/endian/endian.h>
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#define BMC_MBOX_ARGS_REGS 11
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#define BMC_MBOX_READ_REGS 16
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#define BMC_MBOX_WRITE_REGS 13
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#define MBOX_C_RESET_STATE HIOMAP_C_RESET
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#define MBOX_C_GET_MBOX_INFO HIOMAP_C_GET_INFO
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#define MBOX_C_GET_FLASH_INFO HIOMAP_C_GET_FLASH_INFO
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#define MBOX_C_CREATE_READ_WINDOW HIOMAP_C_CREATE_READ_WINDOW
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#define MBOX_C_CLOSE_WINDOW HIOMAP_C_CLOSE_WINDOW
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#define MBOX_C_CREATE_WRITE_WINDOW HIOMAP_C_CREATE_WRITE_WINDOW
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#define MBOX_C_MARK_WRITE_DIRTY HIOMAP_C_MARK_DIRTY
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#define MBOX_C_WRITE_FLUSH HIOMAP_C_FLUSH
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#define MBOX_C_BMC_EVENT_ACK HIOMAP_C_ACK
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#define MBOX_C_MARK_WRITE_ERASED HIOMAP_C_ERASE
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#define MBOX_C_GET_FLASH_NAME HIOMAP_C_DEVICE_NAME
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#define MBOX_C_MARK_LOCKED HIOMAP_C_LOCK
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#define MBOX_COMMAND_COUNT 12
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#define MBOX_R_SUCCESS 0x01
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#define MBOX_R_PARAM_ERROR 0x02
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#define MBOX_R_WRITE_ERROR 0x03
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#define MBOX_R_SYSTEM_ERROR 0x04
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#define MBOX_R_TIMEOUT 0x05
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#define MBOX_R_BUSY 0x06
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#define MBOX_R_WINDOW_ERROR 0x07
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#define MBOX_R_SEQ_ERROR 0x08
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#define MBOX_R_LOCKED 0x09
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#define MBOX_ATTN_ACK_MASK HIOMAP_E_ACK_MASK
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#define MBOX_ATTN_BMC_REBOOT HIOMAP_E_PROTOCOL_RESET
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#define MBOX_ATTN_BMC_WINDOW_RESET HIOMAP_E_WINDOW_RESET
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#define MBOX_ATTN_BMC_FLASH_LOST HIOMAP_E_FLASH_LOST
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#define MBOX_ATTN_BMC_DAEMON_READY HIOMAP_E_DAEMON_READY
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/* Default poll interval before interrupts are working */
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#define MBOX_DEFAULT_POLL_MS 200
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struct bmc_mbox_msg {
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uint8_t command;
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uint8_t seq;
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uint8_t args[BMC_MBOX_ARGS_REGS];
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uint8_t response;
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uint8_t host;
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uint8_t bmc;
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};
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int bmc_mbox_enqueue(struct bmc_mbox_msg *msg, unsigned int timeout_sec);
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int bmc_mbox_register_callback(void (*callback)(struct bmc_mbox_msg *msg, void *priv),
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void *drv_data);
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int bmc_mbox_register_attn(void (*callback)(uint8_t bits, void *priv),
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void *drv_data);
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uint8_t bmc_mbox_get_attn_reg(void);
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#endif /* __LPC_MBOX_H */
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