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-rw-r--r--roms/skiboot/include/fsp-sysparam.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/roms/skiboot/include/fsp-sysparam.h b/roms/skiboot/include/fsp-sysparam.h
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index 000000000..b1182f7bc
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+++ b/roms/skiboot/include/fsp-sysparam.h
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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 */