diff options
| author | Oliver Upton <oliver.upton@linux.dev> | 2025-07-08 10:25:10 -0700 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-07-08 11:35:54 -0700 |
| commit | 9aba641b9ec2a9f443a6c666c054c5e98ef550b5 (patch) | |
| tree | 6ca4c4e3d20f305b77f3d1d2ae9f3a6d2f9fa5f4 /arch/arm64/include | |
| parent | aae35f4ffbf20a09c5a5188ef5ddb3a4b5038df0 (diff) | |
KVM: arm64: nv: Respect exception routing rules for SEAs
Synchronous external aborts are taken to EL2 if ELIsInHost() or
HCR_EL2.TEA=1. Rework the SEA injection plumbing to respect the imposed
routing of the guest hypervisor and opportunistically rephrase things to
make their function a bit more obvious.
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-6-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/kvm_emulate.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 8ba991b4bcfd..3a27ed4de9ac 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -46,15 +46,25 @@ void kvm_skip_instr32(struct kvm_vcpu *vcpu); void kvm_inject_undefined(struct kvm_vcpu *vcpu); void kvm_inject_vabt(struct kvm_vcpu *vcpu); -void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr); -void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr); +int kvm_inject_sea(struct kvm_vcpu *vcpu, bool iabt, u64 addr); void kvm_inject_size_fault(struct kvm_vcpu *vcpu); +static inline int kvm_inject_sea_dabt(struct kvm_vcpu *vcpu, u64 addr) +{ + return kvm_inject_sea(vcpu, false, addr); +} + +static inline int kvm_inject_sea_iabt(struct kvm_vcpu *vcpu, u64 addr) +{ + return kvm_inject_sea(vcpu, true, addr); +} + void kvm_vcpu_wfi(struct kvm_vcpu *vcpu); void kvm_emulate_nested_eret(struct kvm_vcpu *vcpu); int kvm_inject_nested_sync(struct kvm_vcpu *vcpu, u64 esr_el2); int kvm_inject_nested_irq(struct kvm_vcpu *vcpu); +int kvm_inject_nested_sea(struct kvm_vcpu *vcpu, bool iabt, u64 addr); static inline void kvm_inject_nested_sve_trap(struct kvm_vcpu *vcpu) { |