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/arch/powerpc/kvm/booke.h

http://github.com/mirrors/linux
C Header | 116 lines | 89 code | 16 blank | 11 comment | 0 complexity | 1f48fe7f5aa14f714796c70383be0af3 MD5 | raw file
  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 *
  4 * Copyright IBM Corp. 2008
  5 *
  6 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  7 */
  8
  9#ifndef __KVM_BOOKE_H__
 10#define __KVM_BOOKE_H__
 11
 12#include <linux/types.h>
 13#include <linux/kvm_host.h>
 14#include <asm/kvm_ppc.h>
 15#include <asm/switch_to.h>
 16#include "timing.h"
 17
 18/* interrupt priortity ordering */
 19#define BOOKE_IRQPRIO_DATA_STORAGE 0
 20#define BOOKE_IRQPRIO_INST_STORAGE 1
 21#define BOOKE_IRQPRIO_ALIGNMENT 2
 22#define BOOKE_IRQPRIO_PROGRAM 3
 23#define BOOKE_IRQPRIO_FP_UNAVAIL 4
 24#ifdef CONFIG_SPE_POSSIBLE
 25#define BOOKE_IRQPRIO_SPE_UNAVAIL 5
 26#define BOOKE_IRQPRIO_SPE_FP_DATA 6
 27#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
 28#endif
 29#ifdef CONFIG_PPC_E500MC
 30#define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5
 31#define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6
 32#endif
 33#define BOOKE_IRQPRIO_SYSCALL 8
 34#define BOOKE_IRQPRIO_AP_UNAVAIL 9
 35#define BOOKE_IRQPRIO_DTLB_MISS 10
 36#define BOOKE_IRQPRIO_ITLB_MISS 11
 37#define BOOKE_IRQPRIO_MACHINE_CHECK 12
 38#define BOOKE_IRQPRIO_DEBUG 13
 39#define BOOKE_IRQPRIO_CRITICAL 14
 40#define BOOKE_IRQPRIO_WATCHDOG 15
 41#define BOOKE_IRQPRIO_EXTERNAL 16
 42#define BOOKE_IRQPRIO_FIT 17
 43#define BOOKE_IRQPRIO_DECREMENTER 18
 44#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
 45/* Internal pseudo-irqprio for level triggered externals */
 46#define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20
 47#define BOOKE_IRQPRIO_DBELL 21
 48#define BOOKE_IRQPRIO_DBELL_CRIT 22
 49#define BOOKE_IRQPRIO_MAX 23
 50
 51#define BOOKE_IRQMASK_EE ((1 << BOOKE_IRQPRIO_EXTERNAL_LEVEL) | \
 52			  (1 << BOOKE_IRQPRIO_PERFORMANCE_MONITOR) | \
 53			  (1 << BOOKE_IRQPRIO_DBELL) | \
 54			  (1 << BOOKE_IRQPRIO_DECREMENTER) | \
 55			  (1 << BOOKE_IRQPRIO_FIT) | \
 56			  (1 << BOOKE_IRQPRIO_EXTERNAL))
 57
 58#define BOOKE_IRQMASK_CE ((1 << BOOKE_IRQPRIO_DBELL_CRIT) | \
 59			  (1 << BOOKE_IRQPRIO_WATCHDOG) | \
 60			  (1 << BOOKE_IRQPRIO_CRITICAL))
 61
 62extern unsigned long kvmppc_booke_handlers;
 63extern unsigned long kvmppc_booke_handler_addr[];
 64
 65void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
 66void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
 67
 68void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
 69void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
 70void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
 71void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
 72
 73int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 74                            unsigned int inst, int *advance);
 75int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
 76int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
 77
 78/* low-level asm code to transfer guest state */
 79void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu);
 80void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu);
 81
 82/* high-level function, manages flags, host state */
 83void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu);
 84
 85void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
 86void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu);
 87
 88enum int_class {
 89	INT_CLASS_NONCRIT,
 90	INT_CLASS_CRIT,
 91	INT_CLASS_MC,
 92	INT_CLASS_DBG,
 93};
 94
 95void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type);
 96
 97extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
 98				       struct kvm_vcpu *vcpu,
 99				       unsigned int inst, int *advance);
100extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
101					  ulong spr_val);
102extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
103					  ulong *spr_val);
104extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
105				       struct kvm_vcpu *vcpu,
106				       unsigned int inst, int *advance);
107extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
108					  ulong spr_val);
109extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
110					  ulong *spr_val);
111
112static inline void kvmppc_clear_dbsr(void)
113{
114	mtspr(SPRN_DBSR, mfspr(SPRN_DBSR));
115}
116#endif /* __KVM_BOOKE_H__ */