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| author | Marc Zyngier <maz@kernel.org> | 2024-12-17 14:23:20 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-01-02 19:19:10 +0000 |
| commit | affd1c83e090133a3d1750916c7911b20f8911c0 (patch) | |
| tree | 73996510be667bef5da995cdb9bdfe47568a2ac4 | |
| parent | 0bc9a9e85fcf4ffb69846b961273fde4eb0d03ab (diff) | |
KVM: arm64: nv: Document EL2 timer API
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20241217142321.763801-13-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | Documentation/virt/kvm/devices/vcpu.rst | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/Documentation/virt/kvm/devices/vcpu.rst b/Documentation/virt/kvm/devices/vcpu.rst index 31f14ec4a65b..d62ba86ee166 100644 --- a/Documentation/virt/kvm/devices/vcpu.rst +++ b/Documentation/virt/kvm/devices/vcpu.rst @@ -142,8 +142,9 @@ the cpu field to the processor id. :Architectures: ARM64 -2.1. ATTRIBUTES: KVM_ARM_VCPU_TIMER_IRQ_VTIMER, KVM_ARM_VCPU_TIMER_IRQ_PTIMER ------------------------------------------------------------------------------ +2.1. ATTRIBUTES: KVM_ARM_VCPU_TIMER_IRQ_VTIMER, KVM_ARM_VCPU_TIMER_IRQ_PTIMER, + KVM_ARM_VCPU_TIMER_IRQ_HVTIMER, KVM_ARM_VCPU_TIMER_IRQ_HPTIMER, +-------------------------------------------------------------------------------- :Parameters: in kvm_device_attr.addr the address for the timer interrupt is a pointer to an int @@ -159,10 +160,12 @@ A value describing the architected timer interrupt number when connected to an in-kernel virtual GIC. These must be a PPI (16 <= intid < 32). Setting the attribute overrides the default values (see below). -============================= ========================================== -KVM_ARM_VCPU_TIMER_IRQ_VTIMER The EL1 virtual timer intid (default: 27) -KVM_ARM_VCPU_TIMER_IRQ_PTIMER The EL1 physical timer intid (default: 30) -============================= ========================================== +============================== ========================================== +KVM_ARM_VCPU_TIMER_IRQ_VTIMER The EL1 virtual timer intid (default: 27) +KVM_ARM_VCPU_TIMER_IRQ_PTIMER The EL1 physical timer intid (default: 30) +KVM_ARM_VCPU_TIMER_IRQ_HVTIMER The EL2 virtual timer intid (default: 28) +KVM_ARM_VCPU_TIMER_IRQ_HPTIMER The EL2 physical timer intid (default: 26) +============================== ========================================== Setting the same PPI for different timers will prevent the VCPUs from running. Setting the interrupt number on a VCPU configures all VCPUs created at that |