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Diffstat (limited to 'include/lpc-mbox.h')
-rw-r--r-- | include/lpc-mbox.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/lpc-mbox.h b/include/lpc-mbox.h new file mode 100644 index 0000000..c67efee --- /dev/null +++ b/include/lpc-mbox.h @@ -0,0 +1,58 @@ +/* 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 <opal.h> +#include <ccan/endian/endian.h> + +/* Not 16 because the last two are interrupt based status regs */ +#define BMC_MBOX_DATA_REGS 14 +#define BMC_MBOX_ARGS_REGS 11 + +#define MBOX_C_RESET_STATE 0x01 +#define MBOX_C_GET_MBOX_INFO 0x02 +#define MBOX_C_GET_FLASH_INFO 0x03 +#define MBOX_C_CREATE_READ_WINDOW 0x04 +#define MBOX_C_CLOSE_WINDOW 0x05 +#define MBOX_C_CREATE_WRITE_WINDOW 0x06 +#define MBOX_C_MARK_WRITE_DIRTY 0x07 +#define MBOX_C_WRITE_FLUSH 0x08 +#define MBOX_C_BMC_EVENT_ACK 0x09 + +#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 + +/* 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); +int bmc_mbox_register_callback(void (*callback)(struct bmc_mbox_msg *msg, void *priv), + void *drv_data); +#endif /* __LPC_MBOX_H */ |