/* * 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 */ #ifndef __ASM_KVM_BOOK3S_H__ #define __ASM_KVM_BOOK3S_H__ #include #include #include 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 hpte_cache { struct hlist_node list_pte; struct hlist_node list_pte_long; struct hlist_node list_vpte; struct hlist_node list_vpte_long; struct rcu_head rcu_head; u64 host_va; u64 pfn; ulong slot; struct kvmppc_pte pte; }; 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 { 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]; 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 */ struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; int hpte_cache_count; spinlock_t mmu_lock; }; #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 void kvmppc_handler_lowmem_trampoline(void); extern void kvmppc_handler_trampoline_enter(void); 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 #else #include #endif #endif /* __ASM_KVM_BOOK3S_H__ */