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/*
* 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__ */
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