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// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
/* Copyright 2013-2018 IBM Corp. */
#ifndef __FSP_SYSPARAM_H
#define __FSP_SYSPARAM_H
/* System parameter numbers used in the protocol
*
* these are the only ones we care about right now
*/
#define SYS_PARAM_SURV 0xf0000001
#define SYS_PARAM_HMC_MANAGED 0xf0000003
#define SYS_PARAM_FW_IPL_SIDE 0xf0000007
#define SYS_PARAM_FLASH_POLICY 0xf0000012
#define SYS_PARAM_NEED_HMC 0xf0000016
#define SYS_PARAM_REAL_SAI 0xf0000019
#define SYS_PARAM_PARTITION_SAI 0xf000001A
#define SYS_PARAM_PLAT_SAI 0xf000001B
#define SYS_PARAM_FW_LICENSE 0xf000001d
#define SYS_PARAM_WWPN 0xf0000023
#define SYS_PARAM_DEF_BOOT_DEV 0xf0000024
#define SYS_PARAM_NEXT_BOOT_DEV 0xf0000025
#define SYS_PARAM_CONSOLE_SELECT 0xf0000026
#define SYS_PARAM_BOOT_DEV_PATH 0xf0000027
/* Completion for a sysparam call. err_len is either a negative error
* code or the positive length of the returned data
*/
typedef void (*sysparam_compl_t)(uint32_t param_id, int err_len, void *data);
/* Send a sysparam query request. Operation can be synchronous or
* asynchronous:
*
* - synchronous (async_complete is NULL), the result code is either
* a negative error code or a positive returned length.
*
* - asynchronous (async_complete non NULL). The result code is 0 for
* successfully queued request or an error for an immediate error.
* A successfully queued request will complete via the completion
* callback defined above
*/
int fsp_get_sys_param(uint32_t param_id, void *buffer, uint32_t length,
sysparam_compl_t async_complete, void *comp_data);
void fsp_sysparam_init(void);
/*
* System parameter update notification.
* param_id : parameter id
* len : length of data
* data : pointer to data
*/
typedef bool (*sysparam_update_notify)(struct fsp_msg *msg);
/* Register/unregister for system parameter update notifier chain */
void sysparam_add_update_notifier(sysparam_update_notify notify);
void sysparam_del_update_notifier(sysparam_update_notify notify);
#endif /* __FSP_SYSPARAM_H */
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