1 #ifndef _ASMPOWERPC_HCALL_H_ 2 #define _ASMPOWERPC_HCALL_H_ 3 /* 4 * Copyright (C) 2016, Red Hat Inc, Andrew Jones <drjones@redhat.com> 5 * 6 * This work is licensed under the terms of the GNU LGPL, version 2. 7 */ 8 9 #define SC1 0x44000022 10 #define SC1_REPLACEMENT 0x7c000268 11 12 #define H_SUCCESS 0 13 #define H_HARDWARE -1 14 #define H_FUNCTION -2 15 #define H_PRIVILEGE -3 16 #define H_PARAMETER -4 17 18 #define H_SET_SPRG0 0x24 19 #define H_SET_DABR 0x28 20 #define H_PAGE_INIT 0x2c 21 #define H_PUT_TERM_CHAR 0x58 22 #define H_RANDOM 0x300 23 24 #ifndef __ASSEMBLY__ 25 /* 26 * hcall_have_broken_sc1 checks if we're on a host with a broken sc1. 27 * Returns 0 if we're not. 28 */ 29 extern int hcall_have_broken_sc1(void); 30 31 /* 32 * hcall is the hypercall wrapper function. unittests may do what 33 * they like, but the framework should make all hypercalls through 34 * here to ensure they use a working sc1 instruction. @nr is the 35 * hypercall number. 36 */ 37 extern unsigned long hcall(unsigned long nr, ...); 38 39 #endif /* !__ASSEMBLY__ */ 40 #endif /* _ASMPOWERPC_HCALL_H_ */ 41