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_DABR 0x28 19 #define H_PUT_TERM_CHAR 0x58 20 21 #ifndef __ASSEMBLY__ 22 /* 23 * hcall_have_broken_sc1 checks if we're on a host with a broken sc1. 24 * Returns 0 if we're not. 25 */ 26 extern int hcall_have_broken_sc1(void); 27 28 /* 29 * hcall is the hypercall wrapper function. unittests may do what 30 * they like, but the framework should make all hypercalls through 31 * here to ensure they use a working sc1 instruction. @nr is the 32 * hypercall number. 33 */ 34 extern unsigned long hcall(unsigned long nr, ...); 35 36 #endif /* !__ASSEMBLY__ */ 37 #endif /* _ASMPOWERPC_HCALL_H_ */ 38