linux/arch/powerpc/kvm/booke.h
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   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 IBM Corp. 2008
  16 *
  17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  18 */
  19
  20#ifndef __KVM_BOOKE_H__
  21#define __KVM_BOOKE_H__
  22
  23#include <linux/types.h>
  24#include <linux/kvm_host.h>
  25#include <asm/kvm_ppc.h>
  26#include "timing.h"
  27
  28/* interrupt priortity ordering */
  29#define BOOKE_IRQPRIO_DATA_STORAGE 0
  30#define BOOKE_IRQPRIO_INST_STORAGE 1
  31#define BOOKE_IRQPRIO_ALIGNMENT 2
  32#define BOOKE_IRQPRIO_PROGRAM 3
  33#define BOOKE_IRQPRIO_FP_UNAVAIL 4
  34#define BOOKE_IRQPRIO_SPE_UNAVAIL 5
  35#define BOOKE_IRQPRIO_SPE_FP_DATA 6
  36#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
  37#define BOOKE_IRQPRIO_SYSCALL 8
  38#define BOOKE_IRQPRIO_AP_UNAVAIL 9
  39#define BOOKE_IRQPRIO_DTLB_MISS 10
  40#define BOOKE_IRQPRIO_ITLB_MISS 11
  41#define BOOKE_IRQPRIO_MACHINE_CHECK 12
  42#define BOOKE_IRQPRIO_DEBUG 13
  43#define BOOKE_IRQPRIO_CRITICAL 14
  44#define BOOKE_IRQPRIO_WATCHDOG 15
  45#define BOOKE_IRQPRIO_EXTERNAL 16
  46#define BOOKE_IRQPRIO_FIT 17
  47#define BOOKE_IRQPRIO_DECREMENTER 18
  48#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
  49#define BOOKE_IRQPRIO_MAX 19
  50
  51extern unsigned long kvmppc_booke_handlers;
  52
  53/* Helper function for "full" MSR writes. No need to call this if only EE is
  54 * changing. */
  55static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
  56{
  57        if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
  58                kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
  59
  60        vcpu->arch.msr = new_msr;
  61
  62        if (vcpu->arch.msr & MSR_WE) {
  63                kvm_vcpu_block(vcpu);
  64                kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS);
  65        };
  66}
  67
  68int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
  69                            unsigned int inst, int *advance);
  70int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
  71int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
  72
  73#endif /* __KVM_BOOKE_H__ */
  74