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_H__ 21 #define __ASM_KVM_BOOK3S_H__ 22 23 #include <linux/types.h> 24 #include <linux/kvm_host.h> 25 #include <asm/kvm_ppc.h> 26 27 struct kvmppc_slb { 28 u64 esid; 29 u64 vsid; 30 u64 orige; 31 u64 origv; 32 bool valid; 33 bool Ks; 34 bool Kp; 35 bool nx; 36 bool large; 37 bool class; 38 }; 39 40 struct kvmppc_sr { 41 u32 raw; 42 u32 vsid; 43 bool Ks; 44 bool Kp; 45 bool nx; 46 }; 47 48 struct kvmppc_bat { 49 u64 raw; 50 u32 bepi; 51 u32 bepi_mask; 52 bool vs; 53 bool vp; 54 u32 brpn; 55 u8 wimg; 56 u8 pp; 57 }; 58 59 struct kvmppc_sid_map { 60 u64 guest_vsid; 61 u64 guest_esid; 62 u64 host_vsid; 63 bool valid; 64 }; 65 66 #define SID_MAP_BITS 9 67 #define SID_MAP_NUM (1 << SID_MAP_BITS) 68 #define SID_MAP_MASK (SID_MAP_NUM - 1) 69 70 struct kvmppc_vcpu_book3s { 71 struct kvm_vcpu vcpu; 72 struct kvmppc_sid_map sid_map[SID_MAP_NUM]; 73 struct kvmppc_slb slb[64]; 74 struct { 75 u64 esid; 76 u64 vsid; 77 } slb_shadow[64]; 78 u8 slb_shadow_max; 79 struct kvmppc_sr sr[16]; 80 struct kvmppc_bat ibat[8]; 81 struct kvmppc_bat dbat[8]; 82 u64 hid[6]; 83 int slb_nr; 84 u64 sdr1; 85 u64 dsisr; 86 u64 hior; 87 u64 msr_mask; 88 u64 vsid_first; 89 u64 vsid_next; 90 u64 vsid_max; 91 int context_id; 92 }; 93 94 #define CONTEXT_HOST 0 95 #define CONTEXT_GUEST 1 96 #define CONTEXT_GUEST_END 2 97 98 #define VSID_REAL 0xfffffffffff00000 99 #define VSID_REAL_DR 0xffffffffffe00000 100 #define VSID_REAL_IR 0xffffffffffd00000 101 #define VSID_BAT 0xffffffffffc00000 102 #define VSID_PR 0x8000000000000000 103 104 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask); 105 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); 106 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end); 107 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); 108 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); 109 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); 110 extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); 111 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); 112 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); 113 extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data); 114 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data); 115 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr); 116 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); 117 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, 118 bool upper, u32 val); 119 120 extern u32 kvmppc_trampoline_lowmem; 121 extern u32 kvmppc_trampoline_enter; 122 123 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) 124 { 125 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); 126 } 127 128 static inline ulong dsisr(void) 129 { 130 ulong r; 131 asm ( "mfdsisr %0 " : "=r" (r) ); 132 return r; 133 } 134 135 extern void kvm_return_point(void); 136 137 #define INS_DCBZ 0x7c0007ec 138 139 #endif /* __ASM_KVM_BOOK3S_H__ */ 140