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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 IBM Corp. 2008
*
* Authors: Hollis Blanchard <hollisb@us.ibm.com>
*/
#ifndef __KVM_BOOKE_H__
#define __KVM_BOOKE_H__
#include <linux/types.h>
#include <linux/kvm_host.h>
#include <asm/kvm_ppc.h>
#include <asm/switch_to.h>
#include "timing.h"
/* interrupt priortity ordering */
#define BOOKE_IRQPRIO_DATA_STORAGE 0
#define BOOKE_IRQPRIO_INST_STORAGE 1
#define BOOKE_IRQPRIO_ALIGNMENT 2
#define BOOKE_IRQPRIO_PROGRAM 3
#define BOOKE_IRQPRIO_FP_UNAVAIL 4
#ifdef CONFIG_SPE_POSSIBLE
#define BOOKE_IRQPRIO_SPE_UNAVAIL 5
#define BOOKE_IRQPRIO_SPE_FP_DATA 6
#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
#endif
#ifdef CONFIG_PPC_E500MC
#define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5
#define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6
#endif
#define BOOKE_IRQPRIO_SYSCALL 8
#define BOOKE_IRQPRIO_AP_UNAVAIL 9
#define BOOKE_IRQPRIO_DTLB_MISS 10
#define BOOKE_IRQPRIO_ITLB_MISS 11
#define BOOKE_IRQPRIO_MACHINE_CHECK 12
#define BOOKE_IRQPRIO_DEBUG 13
#define BOOKE_IRQPRIO_CRITICAL 14
#define BOOKE_IRQPRIO_WATCHDOG 15
#define BOOKE_IRQPRIO_EXTERNAL 16
#define BOOKE_IRQPRIO_FIT 17
#define BOOKE_IRQPRIO_DECREMENTER 18
#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
/* Internal pseudo-irqprio for level triggered externals */
#define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20
#define BOOKE_IRQPRIO_DBELL 21
#define BOOKE_IRQPRIO_DBELL_CRIT 22
#define BOOKE_IRQPRIO_MAX 23
#define BOOKE_IRQMASK_EE ((1 << BOOKE_IRQPRIO_EXTERNAL_LEVEL) | \
(1 << BOOKE_IRQPRIO_PERFORMANCE_MONITOR) | \
(1 << BOOKE_IRQPRIO_DBELL) | \
(1 << BOOKE_IRQPRIO_DECREMENTER) | \
(1 << BOOKE_IRQPRIO_FIT) | \
(1 << BOOKE_IRQPRIO_EXTERNAL))
#define BOOKE_IRQMASK_CE ((1 << BOOKE_IRQPRIO_DBELL_CRIT) | \
(1 << BOOKE_IRQPRIO_WATCHDOG) | \
(1 << BOOKE_IRQPRIO_CRITICAL))
extern unsigned long kvmppc_booke_handlers;
extern unsigned long kvmppc_booke_handler_addr[];
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
/* low-level asm code to transfer guest state */
void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu);
void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu);
/* high-level function, manages flags, host state */
void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu);
void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu);
enum int_class {
INT_CLASS_NONCRIT,
INT_CLASS_CRIT,
INT_CLASS_MC,
INT_CLASS_DBG,
};
void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type);
extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong spr_val);
extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong *spr_val);
extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
struct kvm_vcpu *vcpu,
unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong spr_val);
extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
ulong *spr_val);
static inline void kvmppc_clear_dbsr(void)
{
mtspr(SPRN_DBSR, mfspr(SPRN_DBSR));
}
#endif /* __KVM_BOOKE_H__ */
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