1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License, version 2, as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope that it will be useful, 7 * but WITHOUT ANY WARRANTY; without even the implied warranty of 8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 * GNU General Public License for more details. 10 * 11 * You should have received a copy of the GNU General Public License 12 * along with this program; if not, write to the Free Software 13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 14 * 15 * Copyright SUSE Linux Products GmbH 2009 16 * 17 * Authors: Alexander Graf <agraf@suse.de> 18 */ 19 20 #ifndef __ASM_KVM_BOOK3S_ASM_H__ 21 #define __ASM_KVM_BOOK3S_ASM_H__ 22 23 #ifdef __ASSEMBLY__ 24 25 #ifdef CONFIG_KVM_BOOK3S_HANDLER 26 27 #include <asm/kvm_asm.h> 28 29 .macro DO_KVM intno 30 .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ 31 (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ 32 (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ 33 (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ 34 (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ 35 (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ 36 (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ 37 (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ 38 (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ 39 (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ 40 (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ 41 (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ 42 (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ 43 (\intno == BOOK3S_INTERRUPT_TRACE) || \ 44 (\intno == BOOK3S_INTERRUPT_PERFMON) || \ 45 (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ 46 (\intno == BOOK3S_INTERRUPT_VSX) 47 48 b kvmppc_trampoline_\intno 49 kvmppc_resume_\intno: 50 51 .endif 52 .endm 53 54 #else 55 56 .macro DO_KVM intno 57 .endm 58 59 #endif /* CONFIG_KVM_BOOK3S_HANDLER */ 60 61 #else /*__ASSEMBLY__ */ 62 63 /* 64 * This struct goes in the PACA on 64-bit processors. It is used 65 * to store host state that needs to be saved when we enter a guest 66 * and restored when we exit, but isn't specific to any particular 67 * guest or vcpu. It also has some scratch fields used by the guest 68 * exit code. 69 */ 70 struct kvmppc_host_state { 71 ulong host_r1; 72 ulong host_r2; 73 ulong host_msr; 74 ulong vmhandler; 75 ulong scratch0; 76 ulong scratch1; 77 u8 in_guest; 78 79 #ifdef CONFIG_KVM_BOOK3S_64_HV 80 struct kvm_vcpu *kvm_vcpu; 81 struct kvmppc_vcore *kvm_vcore; 82 unsigned long xics_phys; 83 u64 dabr; 84 u64 host_mmcr[3]; 85 u32 host_pmc[8]; 86 u64 host_purr; 87 u64 host_spurr; 88 u64 host_dscr; 89 u64 dec_expires; 90 #endif 91 }; 92 93 struct kvmppc_book3s_shadow_vcpu { 94 ulong gpr[14]; 95 u32 cr; 96 u32 xer; 97 98 u32 fault_dsisr; 99 u32 last_inst; 100 ulong ctr; 101 ulong lr; 102 ulong pc; 103 ulong shadow_srr1; 104 ulong fault_dar; 105 106 #ifdef CONFIG_PPC_BOOK3S_32 107 u32 sr[16]; /* Guest SRs */ 108 109 struct kvmppc_host_state hstate; 110 #endif 111 112 #ifdef CONFIG_PPC_BOOK3S_64 113 u8 slb_max; /* highest used guest slb entry */ 114 struct { 115 u64 esid; 116 u64 vsid; 117 } slb[64]; /* guest SLB */ 118 #endif 119 }; 120 121 #endif /*__ASSEMBLY__ */ 122 123 #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ 124