| /* |
| * PowerNV OPAL definitions. |
| * |
| * Copyright 2011 IBM Corp. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #ifndef __OPAL_H |
| #define __OPAL_H |
| |
| /****** Takeover interface ********/ |
| |
| /* PAPR H-Call used to querty the HAL existence and/or instanciate |
| * it from within pHyp (tech preview only). |
| * |
| * This is exclusively used in prom_init.c |
| */ |
| |
| #ifndef __ASSEMBLY__ |
| |
| struct opal_takeover_args { |
| u64 k_image; /* r4 */ |
| u64 k_size; /* r5 */ |
| u64 k_entry; /* r6 */ |
| u64 k_entry2; /* r7 */ |
| u64 hal_addr; /* r8 */ |
| u64 rd_image; /* r9 */ |
| u64 rd_size; /* r10 */ |
| u64 rd_loc; /* r11 */ |
| }; |
| |
| extern long opal_query_takeover(u64 *hal_size, u64 *hal_align); |
| |
| extern long opal_do_takeover(struct opal_takeover_args *args); |
| |
| extern int opal_enter_rtas(struct rtas_args *args, |
| unsigned long data, |
| unsigned long entry); |
| |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| /****** OPAL APIs ******/ |
| |
| |
| #endif /* __OPAL_H */ |