/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright IBM Corp. 2008 * * Authors: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> */ #ifndef __POWERPC_KVM_EXITTIMING_H__ #define __POWERPC_KVM_EXITTIMING_H__ #include <linux/kvm_host.h> #include <asm/kvm_host.h> #ifdef CONFIG_KVM_EXIT_TIMING void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu); void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu); void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu, unsigned int id); void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu); static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type) { vcpu->arch.last_exit_type = type; } #else /* if exit timing is not configured there is no need to build the c file */ static inline void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu) {} static inline void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu) {} static inline void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu, unsigned int id) {} static inline void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu) {} static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type) {} #endif /* CONFIG_KVM_EXIT_TIMING */ /* account the exit in kvm_stats */ static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type) { /* type has to be known at build time for optimization */ /* The BUILD_BUG_ON below breaks in funny ways, commented out * for now ... -BenH BUILD_BUG_ON(!__builtin_constant_p(type)); */ switch (type) { case EXT_INTR_EXITS: vcpu->stat.ext_intr_exits++; break; case DEC_EXITS: vcpu->stat.dec_exits++; break; case EMULATED_INST_EXITS: vcpu->stat.emulated_inst_exits++; break; case DSI_EXITS: vcpu->stat.dsi_exits++; break; case ISI_EXITS: vcpu->stat.isi_exits++; break; case SYSCALL_EXITS: vcpu->stat.syscall_exits++; break; case DTLB_REAL_MISS_EXITS: vcpu->stat.dtlb_real_miss_exits++; break; case DTLB_VIRT_MISS_EXITS: vcpu->stat.dtlb_virt_miss_exits++; break; case MMIO_EXITS: vcpu->stat.mmio_exits++; break; case ITLB_REAL_MISS_EXITS: vcpu->stat.itlb_real_miss_exits++; break; case ITLB_VIRT_MISS_EXITS: vcpu->stat.itlb_virt_miss_exits++; break; case SIGNAL_EXITS: vcpu->stat.signal_exits++; break; case DBELL_EXITS: vcpu->stat.dbell_exits++; break; case GDBELL_EXITS: vcpu->stat.gdbell_exits++; break; } } /* wrapper to set exit time and account for it in kvm_stats */ static inline void kvmppc_account_exit(struct kvm_vcpu *vcpu, int type) { kvmppc_set_exit_type(vcpu, type); kvmppc_account_exit_stat(vcpu, type); } #endif /* __POWERPC_KVM_EXITTIMING_H__ */