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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation 51 franklin street fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 67 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141333.953658117@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright IBM Corp. 2008
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*
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* Authors: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
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*/
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#ifndef __POWERPC_KVM_EXITTIMING_H__
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#define __POWERPC_KVM_EXITTIMING_H__
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#include <linux/kvm_host.h>
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#include <asm/kvm_host.h>
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#ifdef CONFIG_KVM_EXIT_TIMING
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void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu);
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void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu);
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void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu, unsigned int id);
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void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu);
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static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type)
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{
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vcpu->arch.last_exit_type = type;
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}
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#else
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/* if exit timing is not configured there is no need to build the c file */
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static inline void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu) {}
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static inline void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu) {}
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static inline void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu,
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unsigned int id) {}
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static inline void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu) {}
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static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type) {}
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#endif /* CONFIG_KVM_EXIT_TIMING */
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/* account the exit in kvm_stats */
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static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type)
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{
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/* type has to be known at build time for optimization */
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/* The BUILD_BUG_ON below breaks in funny ways, commented out
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* for now ... -BenH
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BUILD_BUG_ON(!__builtin_constant_p(type));
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*/
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switch (type) {
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case EXT_INTR_EXITS:
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vcpu->stat.ext_intr_exits++;
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break;
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case DEC_EXITS:
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vcpu->stat.dec_exits++;
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break;
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case EMULATED_INST_EXITS:
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vcpu->stat.emulated_inst_exits++;
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break;
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case DSI_EXITS:
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vcpu->stat.dsi_exits++;
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break;
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case ISI_EXITS:
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vcpu->stat.isi_exits++;
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break;
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case SYSCALL_EXITS:
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vcpu->stat.syscall_exits++;
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break;
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case DTLB_REAL_MISS_EXITS:
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vcpu->stat.dtlb_real_miss_exits++;
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break;
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case DTLB_VIRT_MISS_EXITS:
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vcpu->stat.dtlb_virt_miss_exits++;
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break;
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case MMIO_EXITS:
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vcpu->stat.mmio_exits++;
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break;
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case ITLB_REAL_MISS_EXITS:
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vcpu->stat.itlb_real_miss_exits++;
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break;
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case ITLB_VIRT_MISS_EXITS:
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vcpu->stat.itlb_virt_miss_exits++;
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break;
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case SIGNAL_EXITS:
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vcpu->stat.signal_exits++;
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break;
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case DBELL_EXITS:
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vcpu->stat.dbell_exits++;
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break;
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case GDBELL_EXITS:
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vcpu->stat.gdbell_exits++;
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break;
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}
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}
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/* wrapper to set exit time and account for it in kvm_stats */
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static inline void kvmppc_account_exit(struct kvm_vcpu *vcpu, int type)
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{
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kvmppc_set_exit_type(vcpu, type);
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kvmppc_account_exit_stat(vcpu, type);
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}
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#endif /* __POWERPC_KVM_EXITTIMING_H__ */
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