[linux-2.6-block.git] / arch / powerpc / include / asm / kvm_book3s.h

/*
 * 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_64_asm.h>

struct kvmppc_slb {
	u64 esid;
	u64 vsid;
	u64 orige;
	u64 origv;
	bool valid;
	bool Ks;
	bool Kp;
	bool nx;
	bool large;	/* PTEs are 16MB */
	bool tb;	/* 1TB segment */
	bool class;
};

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

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_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_sr sr[16];
	struct kvmppc_bat ibat[8];
	struct kvmppc_bat dbat[8];
	u64 hid[6];
	u64 gqr[8];
	int slb_nr;
	u32 dsisr;
	u64 sdr1;
	u64 hior;
	u64 msr_mask;
	u64 vsid_first;
	u64 vsid_next;
	u64 vsid_max;
	int context_id;
	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_DR	0x7ffffffffff00000
#define VSID_REAL_IR	0x7fffffffffe00000
#define VSID_SPLIT_MASK	0x7fffffffffe00000
#define VSID_REAL	0x7fffffffffc00000
#define VSID_BAT	0x7fffffffffb00000
#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, 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 u32 kvmppc_trampoline_lowmem;
extern u32 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);

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__ */
Commit	Line	Data
4e342025 AG	1	/*
	2	* This program is free software; you can redistribute it and/or modify
	3	* it under the terms of the GNU General Public License, version 2, as
	4	* published by the Free Software Foundation.
	5	*
	6	* This program is distributed in the hope that it will be useful,
	7	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	8	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	9	* GNU General Public License for more details.
	10	*
	11	* You should have received a copy of the GNU General Public License
	12	* along with this program; if not, write to the Free Software
	13	* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	14	*
	15	* Copyright SUSE Linux Products GmbH 2009
	16	*
	17	* Authors: Alexander Graf <agraf@suse.de>
	18	*/
	19
	20	#ifndef __ASM_KVM_BOOK3S_H__
	21	#define __ASM_KVM_BOOK3S_H__
	22
	23	#include <linux/types.h>
	24	#include <linux/kvm_host.h>
7e57cba0	25	#include <asm/kvm_book3s_64_asm.h>
4e342025 AG	26
	27	struct kvmppc_slb {
	28	u64 esid;
	29	u64 vsid;
	30	u64 orige;
	31	u64 origv;
	32	bool valid;
	33	bool Ks;
	34	bool Kp;
	35	bool nx;
4b5c9b7f AG	36	bool large; /* PTEs are 16MB */
4b5c9b7f AG	37	bool tb; /* 1TB segment */
4e342025 AG	38	bool class;
	39	};
	40
	41	struct kvmppc_sr {
	42	u32 raw;
	43	u32 vsid;
	44	bool Ks;
	45	bool Kp;
	46	bool nx;
4b389ca2	47	bool valid;
4e342025 AG	48	};
	49
	50	struct kvmppc_bat {
e15a1137	51	u64 raw;
4e342025 AG	52	u32 bepi;
	53	u32 bepi_mask;
	54	bool vs;
	55	bool vp;
	56	u32 brpn;
	57	u8 wimg;
	58	u8 pp;
	59	};
	60
	61	struct kvmppc_sid_map {
	62	u64 guest_vsid;
	63	u64 guest_esid;
	64	u64 host_vsid;
	65	bool valid;
	66	};
	67
	68	#define SID_MAP_BITS 9
	69	#define SID_MAP_NUM (1 << SID_MAP_BITS)
	70	#define SID_MAP_MASK (SID_MAP_NUM - 1)
	71
	72	struct kvmppc_vcpu_book3s {
	73	struct kvm_vcpu vcpu;
7e57cba0	74	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
4e342025 AG	75	struct kvmppc_sid_map sid_map[SID_MAP_NUM];
	76	struct kvmppc_slb slb[64];
	77	struct {
	78	u64 esid;
	79	u64 vsid;
	80	} slb_shadow[64];
	81	u8 slb_shadow_max;
	82	struct kvmppc_sr sr[16];
	83	struct kvmppc_bat ibat[8];
	84	struct kvmppc_bat dbat[8];
	85	u64 hid[6];
d6d549b2	86	u64 gqr[8];
4e342025	87	int slb_nr;
c8027f16	88	u32 dsisr;
4e342025	89	u64 sdr1;
4e342025 AG	90	u64 hior;
	91	u64 msr_mask;
	92	u64 vsid_first;
	93	u64 vsid_next;
	94	u64 vsid_max;
	95	int context_id;
25a8a02d	96	ulong prog_flags; /* flags to inject when giving a 700 trap */
4e342025 AG	97	};
	98
	99	#define CONTEXT_HOST 0
	100	#define CONTEXT_GUEST 1
	101	#define CONTEXT_GUEST_END 2
	102
3eeafd7d AG	103	#define VSID_REAL_DR 0x7ffffffffff00000
	104	#define VSID_REAL_IR 0x7fffffffffe00000
	105	#define VSID_SPLIT_MASK 0x7fffffffffe00000
	106	#define VSID_REAL 0x7fffffffffc00000
	107	#define VSID_BAT 0x7fffffffffb00000
4e342025 AG	108	#define VSID_PR 0x8000000000000000
	109
	110	extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
	111	extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
	112	extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
	113	extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
	114	extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
	115	extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
	116	extern int kvmppc_mmu_map_page(struct kvm_vcpu vcpu, struct kvmppc_pte pte);
	117	extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
	118	extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
	119	extern struct kvmppc_pte kvmppc_mmu_find_pte(struct kvm_vcpu vcpu, u64 ea, bool data);
5467a97d AG	120	extern int kvmppc_ld(struct kvm_vcpu vcpu, ulong eaddr, int size, void *ptr, bool data);
5467a97d AG	121	extern int kvmppc_st(struct kvm_vcpu vcpu, ulong eaddr, int size, void *ptr, bool data);
4e342025	122	extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
e15a1137 AG	123	extern void kvmppc_set_bat(struct kvm_vcpu vcpu, struct kvmppc_bat bat,
e15a1137 AG	124	bool upper, u32 val);
aba3bd7f	125	extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
831317b6	126	extern int kvmppc_emulate_paired_single(struct kvm_run run, struct kvm_vcpu vcpu);
4e342025 AG	127
	128	extern u32 kvmppc_trampoline_lowmem;
	129	extern u32 kvmppc_trampoline_enter;
021ec9c6	130	extern void kvmppc_rmcall(ulong srr0, ulong srr1);
d5e52813 AG	131	extern void kvmppc_load_up_fpu(void);
	132	extern void kvmppc_load_up_altivec(void);
	133	extern void kvmppc_load_up_vsx(void);
4e342025 AG	134
	135	static inline struct kvmppc_vcpu_book3s to_book3s(struct kvm_vcpu vcpu)
	136	{
	137	return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
	138	}
	139
	140	static inline ulong dsisr(void)
	141	{
	142	ulong r;
	143	asm ( "mfdsisr %0 " : "=r" (r) );
	144	return r;
	145	}
	146
	147	extern void kvm_return_point(void);
	148
	149	#define INS_DCBZ 0x7c0007ec
	150
	151	#endif /* __ASM_KVM_BOOK3S_H__ */