kvm_book3s.h 3.9 KB
Newer Older
A
Alexander Graf 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
/*
 * 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>
25
#include <asm/kvm_book3s_64_asm.h>
A
Alexander Graf 已提交
26 27 28 29 30 31 32 33 34 35

struct kvmppc_slb {
	u64 esid;
	u64 vsid;
	u64 orige;
	u64 origv;
	bool valid;
	bool Ks;
	bool Kp;
	bool nx;
A
Alexander Graf 已提交
36 37
	bool large;	/* PTEs are 16MB */
	bool tb;	/* 1TB segment */
A
Alexander Graf 已提交
38 39 40 41 42 43 44 45 46 47 48 49
	bool class;
};

struct kvmppc_sr {
	u32 raw;
	u32 vsid;
	bool Ks;
	bool Kp;
	bool nx;
};

struct kvmppc_bat {
50
	u64 raw;
A
Alexander Graf 已提交
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
	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;
73
	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
A
Alexander Graf 已提交
74 75 76 77 78 79 80 81 82 83 84
	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];
A
Alexander Graf 已提交
85
	u64 gqr[8];
A
Alexander Graf 已提交
86 87 88 89 90 91 92 93 94
	int slb_nr;
	u64 sdr1;
	u64 dsisr;
	u64 hior;
	u64 msr_mask;
	u64 vsid_first;
	u64 vsid_next;
	u64 vsid_max;
	int context_id;
95
	ulong prog_flags; /* flags to inject when giving a 700 trap */
A
Alexander Graf 已提交
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117
};

#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);
118 119
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);
A
Alexander Graf 已提交
120
extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
121 122
extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
			   bool upper, u32 val);
A
Alexander Graf 已提交
123 124 125

extern u32 kvmppc_trampoline_lowmem;
extern u32 kvmppc_trampoline_enter;
126
extern void kvmppc_rmcall(ulong srr0, ulong srr1);
127 128 129
extern void kvmppc_load_up_fpu(void);
extern void kvmppc_load_up_altivec(void);
extern void kvmppc_load_up_vsx(void);
A
Alexander Graf 已提交
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147

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__ */