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 | |
113 | int kvmppc_handle_exit(struct kvm_vcpu *vcpu, unsigned int exit_nr); |
114 | |
115 | #endif /* __KVM_BOOKE_H__ */ |
116 | |