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hv: add a flag for PMU passthrough to guest VM

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Add a flag: GUEST_FLAG_PMU_PASSTHROUGH to indicate if
PMU (Performance Monitor Unit) is passthrough to guest VM.

Tracked-On: #6966
Acked-by: Anthony Xu <anthony.xu@intel.com>
Signed-off-by: Minggui Cao <minggui.cao@intel.com>
This commit is contained in:
Minggui Cao
2021-12-13 14:01:51 +08:00
committed by acrnsi-robot
parent 3b1deda0eb
commit 299c56bb68
4 changed files with 15 additions and 1 deletions
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11
hypervisor/arch/x86/guest/vm.c
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@@ -146,6 +146,17 @@ bool is_lapic_pt_configured(const struct acrn_vm *vm)
return ((vm_config->guest_flags & GUEST_FLAG_LAPIC_PASSTHROUGH) != 0U);
}
/**
* @pre vm != NULL && vm_config != NULL && vm->vmid < CONFIG_MAX_VM_NUM
*/
bool is_pmu_pt_configured(const struct acrn_vm *vm)
{
struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
return ((vm_config->guest_flags & GUEST_FLAG_PMU_PASSTHROUGH) != 0U);
}
/**
* @pre vm != NULL && vm_config != NULL && vm->vmid < CONFIG_MAX_VM_NUM
*/