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 62 extern unsigned long kvmppc_booke_handlers; 63 extern unsigned long kvmppc_booke_handler_addr[]; 64 65 void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr); 66 void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr); 67 68 void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr); 69 void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr); 70 void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits); 71 void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits); 72 73 int kvmppc_booke_emulate_op(struct kvm_vcpu *vcpu, 74 unsigned int inst, int *advance); 75 int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val); 76 int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val); 77 78 /* low-level asm code to transfer guest state */ 79 void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu); 80 void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu); 81 82 /* high-level function, manages flags, host state */ 83 void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu); 84 85 void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu); 86 void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu); 87 88 enum int_class { 89 INT_CLASS_NONCRIT, 90 INT_CLASS_CRIT, 91 INT_CLASS_MC, 92 INT_CLASS_DBG, 93 }; 94 95 void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type); 96 97 extern int kvmppc_core_emulate_op_e500(struct kvm_vcpu *vcpu, 98 unsigned int inst, int *advance); 99 extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, 100 ulong spr_val); 101 extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, 102 ulong *spr_val); 103 extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, 104 ulong spr_val); 105 extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, 106 ulong *spr_val); 107 108 static inline void kvmppc_clear_dbsr(void) 109 { 110 mtspr(SPRN_DBSR, mfspr(SPRN_DBSR)); 111 } 112 #endif /* __KVM_BOOKE_H__ */ 113