^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright IBM Corp. 2008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Authors: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef __POWERPC_KVM_EXITTIMING_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define __POWERPC_KVM_EXITTIMING_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/kvm_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #ifdef CONFIG_KVM_EXIT_TIMING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu, unsigned int id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) vcpu->arch.last_exit_type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* if exit timing is not configured there is no need to build the c file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static inline void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) unsigned int id) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static inline void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #endif /* CONFIG_KVM_EXIT_TIMING */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* account the exit in kvm_stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /* type has to be known at build time for optimization */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* The BUILD_BUG_ON below breaks in funny ways, commented out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * for now ... -BenH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) BUILD_BUG_ON(!__builtin_constant_p(type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) case EXT_INTR_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) vcpu->stat.ext_intr_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) case DEC_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) vcpu->stat.dec_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) case EMULATED_INST_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) vcpu->stat.emulated_inst_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) case DSI_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) vcpu->stat.dsi_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) case ISI_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) vcpu->stat.isi_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) case SYSCALL_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) vcpu->stat.syscall_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) case DTLB_REAL_MISS_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) vcpu->stat.dtlb_real_miss_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) case DTLB_VIRT_MISS_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) vcpu->stat.dtlb_virt_miss_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) case MMIO_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) vcpu->stat.mmio_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) case ITLB_REAL_MISS_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) vcpu->stat.itlb_real_miss_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) case ITLB_VIRT_MISS_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) vcpu->stat.itlb_virt_miss_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) case SIGNAL_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) vcpu->stat.signal_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) case DBELL_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) vcpu->stat.dbell_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) case GDBELL_EXITS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) vcpu->stat.gdbell_exits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* wrapper to set exit time and account for it in kvm_stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline void kvmppc_account_exit(struct kvm_vcpu *vcpu, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) kvmppc_set_exit_type(vcpu, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) kvmppc_account_exit_stat(vcpu, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #endif /* __POWERPC_KVM_EXITTIMING_H__ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags