[linux-2.6-block.git] / arch / powerpc / include / asm / kvm_booke.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 2010
 *
 * Authors: Alexander Graf <agraf@suse.de>
 */

#ifndef __ASM_KVM_BOOKE_H__
#define __ASM_KVM_BOOKE_H__

#include <linux/types.h>
#include <linux/kvm_host.h>

/*
 * Number of available lpids. Only the low-order 6 bits of LPID rgister are
 * implemented on e500mc+ cores.
 */
#define KVMPPC_NR_LPIDS                        64

#define KVMPPC_INST_EHPRIV		0x7c00021c
#define EHPRIV_OC_SHIFT			11
/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */
#define EHPRIV_OC_DEBUG			1

static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
{
	vcpu->arch.gpr[num] = val;
}

static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
{
	return vcpu->arch.gpr[num];
}

static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
{
	vcpu->arch.cr = val;
}

static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
{
	return vcpu->arch.cr;
}

static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val)
{
	vcpu->arch.xer = val;
}

static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu)
{
	return vcpu->arch.xer;
}

static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
{
	/* XXX Would need to check TLB entry */
	return false;
}

static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
{
	vcpu->arch.ctr = val;
}

static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
{
	return vcpu->arch.ctr;
}

static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
{
	vcpu->arch.lr = val;
}

static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
{
	return vcpu->arch.lr;
}

static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
{
	vcpu->arch.pc = val;
}

static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
{
	return vcpu->arch.pc;
}

static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
{
	return vcpu->arch.fault_dear;
}

static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu)
{
	/* Magic page is only supported on e500v2 */
#ifdef CONFIG_KVM_E500V2
	return true;
#else
	return false;
#endif
}
#endif /* __ASM_KVM_BOOKE_H__ */
Commit	Line	Data
c7f38f46 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 2010
	16	*
	17	* Authors: Alexander Graf <agraf@suse.de>
	18	*/
	19
	20	#ifndef __ASM_KVM_BOOKE_H__
	21	#define __ASM_KVM_BOOKE_H__
	22
	23	#include <linux/types.h>
	24	#include <linux/kvm_host.h>
	25
188e267c MC	26	/*
	27	* Number of available lpids. Only the low-order 6 bits of LPID rgister are
	28	* implemented on e500mc+ cores.
	29	*/
043cc4d7 SW	30	#define KVMPPC_NR_LPIDS 64
043cc4d7 SW	31
b12c7841 BB	32	#define KVMPPC_INST_EHPRIV 0x7c00021c
	33	#define EHPRIV_OC_SHIFT 11
	34	/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */
	35	#define EHPRIV_OC_DEBUG 1
8c32a2ea	36
c7f38f46 AG	37	static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
	38	{
	39	vcpu->arch.gpr[num] = val;
	40	}
	41
	42	static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
	43	{
	44	return vcpu->arch.gpr[num];
	45	}
	46
	47	static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
	48	{
	49	vcpu->arch.cr = val;
	50	}
	51
	52	static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
	53	{
	54	return vcpu->arch.cr;
	55	}
	56
c63517c2	57	static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val)
c7f38f46 AG	58	{
	59	vcpu->arch.xer = val;
	60	}
	61
c63517c2	62	static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu)
c7f38f46 AG	63	{
	64	return vcpu->arch.xer;
	65	}
	66
73601775 CLG	67	static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
	68	{
	69	/* XXX Would need to check TLB entry */
	70	return false;
	71	}
	72
c7f38f46 AG	73	static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
	74	{
	75	vcpu->arch.ctr = val;
	76	}
	77
	78	static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
	79	{
	80	return vcpu->arch.ctr;
	81	}
	82
	83	static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
	84	{
	85	vcpu->arch.lr = val;
	86	}
	87
	88	static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
	89	{
	90	return vcpu->arch.lr;
	91	}
	92
	93	static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
	94	{
	95	vcpu->arch.pc = val;
	96	}
	97
	98	static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
	99	{
	100	return vcpu->arch.pc;
	101	}
	102
	103	static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
	104	{
	105	return vcpu->arch.fault_dear;
	106	}
c12fb43c AG	107
	108	static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu)
	109	{
	110	/* Magic page is only supported on e500v2 */
	111	#ifdef CONFIG_KVM_E500V2
	112	return true;
	113	#else
	114	return false;
	115	#endif
	116	}
c7f38f46	117	#endif /* __ASM_KVM_BOOKE_H__ */