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 <asm/switch_to.h> 27 #include "timing.h" 28 29 /* interrupt priortity ordering */ 30 #define BOOKE_IRQPRIO_DATA_STORAGE 0 31 #define BOOKE_IRQPRIO_INST_STORAGE 1 32 #define BOOKE_IRQPRIO_ALIGNMENT 2 33 #define BOOKE_IRQPRIO_PROGRAM 3 34 #define BOOKE_IRQPRIO_FP_UNAVAIL 4 35 #ifdef CONFIG_SPE_POSSIBLE 36 #define BOOKE_IRQPRIO_SPE_UNAVAIL 5 37 #define BOOKE_IRQPRIO_SPE_FP_DATA 6 38 #define BOOKE_IRQPRIO_SPE_FP_ROUND 7 39 #endif 40 #ifdef CONFIG_PPC_E500MC 41 #define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5 42 #define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6 43 #endif 44 #define BOOKE_IRQPRIO_SYSCALL 8 45 #define BOOKE_IRQPRIO_AP_UNAVAIL 9 46 #define BOOKE_IRQPRIO_DTLB_MISS 10 47 #define BOOKE_IRQPRIO_ITLB_MISS 11 48 #define BOOKE_IRQPRIO_MACHINE_CHECK 12 49 #define BOOKE_IRQPRIO_DEBUG 13 50 #define BOOKE_IRQPRIO_CRITICAL 14 51 #define BOOKE_IRQPRIO_WATCHDOG 15 52 #define BOOKE_IRQPRIO_EXTERNAL 16 53 #define BOOKE_IRQPRIO_FIT 17 54 #define BOOKE_IRQPRIO_DECREMENTER 18 55 #define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19 56 /* Internal pseudo-irqprio for level triggered externals */ 57 #define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20 58 #define BOOKE_IRQPRIO_DBELL 21 59 #define BOOKE_IRQPRIO_DBELL_CRIT 22 60 #define BOOKE_IRQPRIO_MAX 23 61 62 #define BOOKE_IRQMASK_EE ((1 << BOOKE_IRQPRIO_EXTERNAL_LEVEL) | \ 63 (1 << BOOKE_IRQPRIO_PERFORMANCE_MONITOR) | \ 64 (1 << BOOKE_IRQPRIO_DBELL) | \ 65 (1 << BOOKE_IRQPRIO_DECREMENTER) | \ 66 (1 << BOOKE_IRQPRIO_FIT) | \ 67 (1 << BOOKE_IRQPRIO_EXTERNAL)) 68 69 #define BOOKE_IRQMASK_CE ((1 << BOOKE_IRQPRIO_DBELL_CRIT) | \ 70 (1 << BOOKE_IRQPRIO_WATCHDOG) | \ 71 (1 << BOOKE_IRQPRIO_CRITICAL)) 72 73 extern unsigned long kvmppc_booke_handlers; 74 extern unsigned long kvmppc_booke_handler_addr[]; 75 76 void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr); 77 void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr); 78 79 void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr); 80 void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr); 81 void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits); 82 void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits); 83 84 int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, 85 unsigned int inst, int *advance); 86 int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val); 87 int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val); 88 89 /* low-level asm code to transfer guest state */ 90 void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu); 91 void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu); 92 93 /* high-level function, manages flags, host state */ 94 void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu); 95 96 void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu); 97 void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu); 98 99 enum int_class { 100 INT_CLASS_NONCRIT, 101 INT_CLASS_CRIT, 102 INT_CLASS_MC, 103 INT_CLASS_DBG, 104 }; 105 106 void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type); 107 108 extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu); 109 extern int kvmppc_core_emulate_op_e500(struct kvm_run *run, 110 struct kvm_vcpu *vcpu, 111 unsigned int inst, int *advance); 112 extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, 113 ulong spr_val); 114 extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, 115 ulong *spr_val); 116 extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu); 117 extern int kvmppc_core_emulate_op_e500(struct kvm_run *run, 118 struct kvm_vcpu *vcpu, 119 unsigned int inst, int *advance); 120 extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, 121 ulong spr_val); 122 extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, 123 ulong *spr_val); 124 125 static inline void kvmppc_clear_dbsr(void) 126 { 127 mtspr(SPRN_DBSR, mfspr(SPRN_DBSR)); 128 } 129 #endif /* __KVM_BOOKE_H__ */ 130