| Benjamin Herrenschmidt | 27f4488 | 2011-09-19 18:27:58 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * PowerNV OPAL definitions. |
| 3 | * |
| 4 | * Copyright 2011 IBM Corp. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #ifndef __OPAL_H |
| 13 | #define __OPAL_H |
| 14 | |
| 15 | /****** Takeover interface ********/ |
| 16 | |
| 17 | /* PAPR H-Call used to querty the HAL existence and/or instanciate |
| 18 | * it from within pHyp (tech preview only). |
| 19 | * |
| 20 | * This is exclusively used in prom_init.c |
| 21 | */ |
| 22 | |
| 23 | #ifndef __ASSEMBLY__ |
| 24 | |
| 25 | struct opal_takeover_args { |
| 26 | u64 k_image; /* r4 */ |
| 27 | u64 k_size; /* r5 */ |
| 28 | u64 k_entry; /* r6 */ |
| 29 | u64 k_entry2; /* r7 */ |
| 30 | u64 hal_addr; /* r8 */ |
| 31 | u64 rd_image; /* r9 */ |
| 32 | u64 rd_size; /* r10 */ |
| 33 | u64 rd_loc; /* r11 */ |
| 34 | }; |
| 35 | |
| 36 | extern long opal_query_takeover(u64 *hal_size, u64 *hal_align); |
| 37 | |
| 38 | extern long opal_do_takeover(struct opal_takeover_args *args); |
| 39 | |
| 40 | extern int opal_enter_rtas(struct rtas_args *args, |
| 41 | unsigned long data, |
| 42 | unsigned long entry); |
| 43 | |
| 44 | |
| 45 | #endif /* __ASSEMBLY__ */ |
| 46 | |
| 47 | /****** OPAL APIs ******/ |
| 48 | |
| 49 | |
| 50 | #endif /* __OPAL_H */ |