mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2025-01-07 21:45:22 +00:00
f4c39db736
Qemu-3.0 supports Hyper-V-style PV TLB flush, Windows guests can benefit from this feature as KVM knows which vCPUs are not currently scheduled (and thus don't require any immediate action). Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/*
|
|
* cpu_x86_data.h: x86 specific CPU data
|
|
*
|
|
* Copyright (C) 2009-2010, 2013 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Authors:
|
|
* Jiri Denemark <jdenemar@redhat.com>
|
|
*/
|
|
|
|
#ifndef __VIR_CPU_X86_DATA_H__
|
|
# define __VIR_CPU_X86_DATA_H__
|
|
|
|
# include <stdint.h>
|
|
|
|
typedef struct _virCPUx86CPUID virCPUx86CPUID;
|
|
struct _virCPUx86CPUID {
|
|
uint32_t eax_in;
|
|
uint32_t ecx_in;
|
|
uint32_t eax;
|
|
uint32_t ebx;
|
|
uint32_t ecx;
|
|
uint32_t edx;
|
|
};
|
|
|
|
# define CPUX86_BASIC 0x0
|
|
# define CPUX86_KVM 0x40000000
|
|
# define CPUX86_EXTENDED 0x80000000
|
|
|
|
# define VIR_CPU_x86_KVM_CLOCKSOURCE "__kvm_clocksource"
|
|
# define VIR_CPU_x86_KVM_NOP_IO_DELAY "__kvm_no_io_delay"
|
|
# define VIR_CPU_x86_KVM_MMU_OP "__kvm_mmu_op"
|
|
# define VIR_CPU_x86_KVM_CLOCKSOURCE2 "__kvm_clocksource2"
|
|
# define VIR_CPU_x86_KVM_ASYNC_PF "__kvm_async_pf"
|
|
# define VIR_CPU_x86_KVM_STEAL_TIME "__kvm_steal_time"
|
|
# define VIR_CPU_x86_KVM_PV_EOI "__kvm_pv_eoi"
|
|
# define VIR_CPU_x86_KVM_PV_UNHALT "__kvm_pv_unhalt"
|
|
# define VIR_CPU_x86_KVM_CLOCKSOURCE_STABLE_BIT "__kvm_clocksource_stable"
|
|
|
|
/*
|
|
* The following HyperV feature names suffixes must exactly match corresponding
|
|
* ones defined for virDomainHyperv in domain_conf.c.
|
|
* E.g "__kvm_runtime" -> "runtime", "__kvm_hv_spinlocks" -> "spinlocks" etc.
|
|
*/
|
|
# define VIR_CPU_x86_KVM_HV_RUNTIME "__kvm_hv_runtime"
|
|
# define VIR_CPU_x86_KVM_HV_SYNIC "__kvm_hv_synic"
|
|
# define VIR_CPU_x86_KVM_HV_STIMER "__kvm_hv_stimer"
|
|
# define VIR_CPU_x86_KVM_HV_RELAXED "__kvm_hv_relaxed"
|
|
# define VIR_CPU_x86_KVM_HV_SPINLOCKS "__kvm_hv_spinlocks"
|
|
# define VIR_CPU_x86_KVM_HV_VAPIC "__kvm_hv_vapic"
|
|
# define VIR_CPU_x86_KVM_HV_VPINDEX "__kvm_hv_vpindex"
|
|
# define VIR_CPU_x86_KVM_HV_RESET "__kvm_hv_reset"
|
|
# define VIR_CPU_x86_KVM_HV_FREQUENCIES "__kvm_hv_frequencies"
|
|
# define VIR_CPU_x86_KVM_HV_REENLIGHTENMENT "__kvm_hv_reenlightenment"
|
|
# define VIR_CPU_x86_KVM_HV_TLBFLUSH "__kvm_hv_tlbflush"
|
|
|
|
|
|
# define VIR_CPU_X86_DATA_INIT { 0 }
|
|
|
|
typedef struct _virCPUx86Data virCPUx86Data;
|
|
struct _virCPUx86Data {
|
|
size_t len;
|
|
virCPUx86CPUID *data;
|
|
};
|
|
|
|
#endif /* __VIR_CPU_X86_DATA_H__ */
|