| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| * Copyright SUSE Linux Products GmbH 2009 |
| * |
| * Authors: Alexander Graf <agraf@suse.de> |
| */ |
| |
| #ifndef __ASM_KVM_BOOK3S_H__ |
| #define __ASM_KVM_BOOK3S_H__ |
| |
| #include <linux/types.h> |
| #include <linux/kvm_host.h> |
| #include <asm/kvm_book3s_asm.h> |
| |
| struct kvmppc_slb { |
| u64 esid; |
| u64 vsid; |
| u64 orige; |
| u64 origv; |
| bool valid : 1; |
| bool Ks : 1; |
| bool Kp : 1; |
| bool nx : 1; |
| bool large : 1; /* PTEs are 16MB */ |
| bool tb : 1; /* 1TB segment */ |
| bool class : 1; |
| }; |
| |
| struct kvmppc_bat { |
| u64 raw; |
| u32 bepi; |
| u32 bepi_mask; |
| u32 brpn; |
| u8 wimg; |
| u8 pp; |
| bool vs : 1; |
| bool vp : 1; |
| }; |
| |
| struct kvmppc_sid_map { |
| u64 guest_vsid; |
| u64 guest_esid; |
| u64 host_vsid; |
| bool valid : 1; |
| }; |
| |
| #define SID_MAP_BITS 9 |
| #define SID_MAP_NUM (1 << SID_MAP_BITS) |
| #define SID_MAP_MASK (SID_MAP_NUM - 1) |
| |
| #ifdef CONFIG_PPC_BOOK3S_64 |
| #define SID_CONTEXTS 1 |
| #else |
| #define SID_CONTEXTS 128 |
| #define VSID_POOL_SIZE (SID_CONTEXTS * 16) |
| #endif |
| |
| struct kvmppc_vcpu_book3s { |
| struct kvm_vcpu vcpu; |
| struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; |
| struct kvmppc_sid_map sid_map[SID_MAP_NUM]; |
| struct kvmppc_slb slb[64]; |
| struct { |
| u64 esid; |
| u64 vsid; |
| } slb_shadow[64]; |
| u8 slb_shadow_max; |
| struct kvmppc_bat ibat[8]; |
| struct kvmppc_bat dbat[8]; |
| u64 hid[6]; |
| u64 gqr[8]; |
| int slb_nr; |
| u64 sdr1; |
| u64 hior; |
| u64 msr_mask; |
| u64 vsid_next; |
| #ifdef CONFIG_PPC_BOOK3S_32 |
| u32 vsid_pool[VSID_POOL_SIZE]; |
| #else |
| u64 vsid_first; |
| u64 vsid_max; |
| #endif |
| int context_id[SID_CONTEXTS]; |
| ulong prog_flags; /* flags to inject when giving a 700 trap */ |
| }; |
| |
| #define CONTEXT_HOST 0 |
| #define CONTEXT_GUEST 1 |
| #define CONTEXT_GUEST_END 2 |
| |
| #define VSID_REAL 0x1fffffffffc00000ULL |
| #define VSID_BAT 0x1fffffffffb00000ULL |
| #define VSID_REAL_DR 0x2000000000000000ULL |
| #define VSID_REAL_IR 0x4000000000000000ULL |
| #define VSID_PR 0x8000000000000000ULL |
| |
| extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask); |
| extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); |
| extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end); |
| extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); |
| extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); |
| extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); |
| extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); |
| extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); |
| extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); |
| |
| extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte); |
| extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu); |
| extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu); |
| extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu); |
| extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte); |
| extern int kvmppc_mmu_hpte_sysinit(void); |
| extern void kvmppc_mmu_hpte_sysexit(void); |
| |
| extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); |
| extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); |
| extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); |
| extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, |
| bool upper, u32 val); |
| extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); |
| extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu); |
| extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn); |
| |
| extern ulong kvmppc_trampoline_lowmem; |
| extern ulong kvmppc_trampoline_enter; |
| extern void kvmppc_rmcall(ulong srr0, ulong srr1); |
| extern void kvmppc_load_up_fpu(void); |
| extern void kvmppc_load_up_altivec(void); |
| extern void kvmppc_load_up_vsx(void); |
| extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst); |
| extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst); |
| |
| static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) |
| { |
| return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); |
| } |
| |
| static inline ulong dsisr(void) |
| { |
| ulong r; |
| asm ( "mfdsisr %0 " : "=r" (r) ); |
| return r; |
| } |
| |
| extern void kvm_return_point(void); |
| static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu); |
| |
| static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) |
| { |
| if ( num < 14 ) { |
| to_svcpu(vcpu)->gpr[num] = val; |
| to_book3s(vcpu)->shadow_vcpu->gpr[num] = val; |
| } else |
| vcpu->arch.gpr[num] = val; |
| } |
| |
| static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) |
| { |
| if ( num < 14 ) |
| return to_svcpu(vcpu)->gpr[num]; |
| else |
| return vcpu->arch.gpr[num]; |
| } |
| |
| static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) |
| { |
| to_svcpu(vcpu)->cr = val; |
| to_book3s(vcpu)->shadow_vcpu->cr = val; |
| } |
| |
| static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) |
| { |
| return to_svcpu(vcpu)->cr; |
| } |
| |
| static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) |
| { |
| to_svcpu(vcpu)->xer = val; |
| to_book3s(vcpu)->shadow_vcpu->xer = val; |
| } |
| |
| static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) |
| { |
| return to_svcpu(vcpu)->xer; |
| } |
| |
| static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) |
| { |
| to_svcpu(vcpu)->ctr = val; |
| } |
| |
| static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) |
| { |
| return to_svcpu(vcpu)->ctr; |
| } |
| |
| static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) |
| { |
| to_svcpu(vcpu)->lr = val; |
| } |
| |
| static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) |
| { |
| return to_svcpu(vcpu)->lr; |
| } |
| |
| static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) |
| { |
| to_svcpu(vcpu)->pc = val; |
| } |
| |
| static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) |
| { |
| return to_svcpu(vcpu)->pc; |
| } |
| |
| static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) |
| { |
| ulong pc = kvmppc_get_pc(vcpu); |
| struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu); |
| |
| /* Load the instruction manually if it failed to do so in the |
| * exit path */ |
| if (svcpu->last_inst == KVM_INST_FETCH_FAILED) |
| kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false); |
| |
| return svcpu->last_inst; |
| } |
| |
| static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) |
| { |
| return to_svcpu(vcpu)->fault_dar; |
| } |
| |
| /* Magic register values loaded into r3 and r4 before the 'sc' assembly |
| * instruction for the OSI hypercalls */ |
| #define OSI_SC_MAGIC_R3 0x113724FA |
| #define OSI_SC_MAGIC_R4 0x77810F9B |
| |
| #define INS_DCBZ 0x7c0007ec |
| |
| /* Also add subarch specific defines */ |
| |
| #ifdef CONFIG_PPC_BOOK3S_32 |
| #include <asm/kvm_book3s_32.h> |
| #else |
| #include <asm/kvm_book3s_64.h> |
| #endif |
| |
| #endif /* __ASM_KVM_BOOK3S_H__ */ |
