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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/powerpc/kvm/booke.h
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/*

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License, version 2, as

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 * published by the Free Software Foundation.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

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 *

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 * Copyright IBM Corp. 2008

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 *

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 * Authors: Hollis Blanchard <[email protected]>

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 */

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#ifndef __KVM_BOOKE_H__

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#define __KVM_BOOKE_H__

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#include <linux/types.h>

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#include <linux/kvm_host.h>

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#include <asm/kvm_ppc.h>

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#include "timing.h"

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/* interrupt priortity ordering */

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#define BOOKE_IRQPRIO_DATA_STORAGE 0

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#define BOOKE_IRQPRIO_INST_STORAGE 1

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#define BOOKE_IRQPRIO_ALIGNMENT 2

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#define BOOKE_IRQPRIO_PROGRAM 3

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#define BOOKE_IRQPRIO_FP_UNAVAIL 4

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#define BOOKE_IRQPRIO_SPE_UNAVAIL 5

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#define BOOKE_IRQPRIO_SPE_FP_DATA 6

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#define BOOKE_IRQPRIO_SPE_FP_ROUND 7

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#define BOOKE_IRQPRIO_SYSCALL 8

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#define BOOKE_IRQPRIO_AP_UNAVAIL 9

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#define BOOKE_IRQPRIO_DTLB_MISS 10

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#define BOOKE_IRQPRIO_ITLB_MISS 11

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#define BOOKE_IRQPRIO_MACHINE_CHECK 12

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#define BOOKE_IRQPRIO_DEBUG 13

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#define BOOKE_IRQPRIO_CRITICAL 14

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#define BOOKE_IRQPRIO_WATCHDOG 15

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#define BOOKE_IRQPRIO_EXTERNAL 16

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#define BOOKE_IRQPRIO_FIT 17

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#define BOOKE_IRQPRIO_DECREMENTER 18

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#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19

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/* Internal pseudo-irqprio for level triggered externals */

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#define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20

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#define BOOKE_IRQPRIO_MAX 20

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extern unsigned long kvmppc_booke_handlers;

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/* Helper function for "full" MSR writes. No need to call this if only EE is

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 * changing. */

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static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)

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{

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	if ((new_msr & MSR_PR) != (vcpu->arch.shared->msr & MSR_PR))

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		kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);

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	vcpu->arch.shared->msr = new_msr;

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	if (vcpu->arch.shared->msr & MSR_WE) {

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		kvm_vcpu_block(vcpu);

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		kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS);

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	};

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}

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int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,

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                            unsigned int inst, int *advance);

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int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);

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int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);

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#endif /* __KVM_BOOKE_H__ */

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