| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 73 | int kvmppc_booke_emulate_op(struct kvm_vcpu *vcpu, |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 97 | extern int kvmppc_core_emulate_op_e500(struct kvm_vcpu *vcpu, |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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__ */ |