diff options
Diffstat (limited to 'arch/powerpc/include/asm/kvm_book3s.h')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h new file mode 100644 index 00000000000..74b7369770d --- /dev/null +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -0,0 +1,139 @@ +/* + * 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_ppc.h> + +struct kvmppc_slb { + u64 esid; + u64 vsid; + u64 orige; + u64 origv; + bool valid; + bool Ks; + bool Kp; + bool nx; + bool large; + bool class; +}; + +struct kvmppc_sr { + u32 raw; + u32 vsid; + bool Ks; + bool Kp; + bool nx; +}; + +struct kvmppc_bat { + u64 raw; + u32 bepi; + u32 bepi_mask; + bool vs; + bool vp; + u32 brpn; + u8 wimg; + u8 pp; +}; + +struct kvmppc_sid_map { + u64 guest_vsid; + u64 guest_esid; + u64 host_vsid; + bool valid; +}; + +#define SID_MAP_BITS 9 +#define SID_MAP_NUM (1 << SID_MAP_BITS) +#define SID_MAP_MASK (SID_MAP_NUM - 1) + +struct kvmppc_vcpu_book3s { + struct kvm_vcpu 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_sr sr[16]; + struct kvmppc_bat ibat[8]; + struct kvmppc_bat dbat[8]; + u64 hid[6]; + int slb_nr; + u64 sdr1; + u64 dsisr; + u64 hior; + u64 msr_mask; + u64 vsid_first; + u64 vsid_next; + u64 vsid_max; + int context_id; +}; + +#define CONTEXT_HOST 0 +#define CONTEXT_GUEST 1 +#define CONTEXT_GUEST_END 2 + +#define VSID_REAL 0xfffffffffff00000 +#define VSID_REAL_DR 0xffffffffffe00000 +#define VSID_REAL_IR 0xffffffffffd00000 +#define VSID_BAT 0xffffffffffc00000 +#define VSID_PR 0x8000000000000000 + +extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 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, u64 pa_start, u64 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 struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data); +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); +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 u32 kvmppc_trampoline_lowmem; +extern u32 kvmppc_trampoline_enter; + +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); + +#define INS_DCBZ 0x7c0007ec + +#endif /* __ASM_KVM_BOOK3S_H__ */ |