linux-stable-rt/arch/powerpc/include/asm/opal.h

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/*
* 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 */