99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
|
/* 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__ */
|