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Merge branch kvm-arm64/vgic-v5-ppi into kvmarm-master/next

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* kvm-arm64/vgic-v5-ppi: (40 commits)
  : .
  : Add initial GICv5 support for KVM guests, only adding PPI support
  : for the time being. Patches courtesy of Sascha Bischoff.
  :
  : From the cover letter:
  :
  : "This is v7 of the patch series to add the virtual GICv5 [1] device
  : (vgic_v5). Only PPIs are supported by this initial series, and the
  : vgic_v5 implementation is restricted to the CPU interface,
  : only. Further patch series are to follow in due course, and will add
  : support for SPIs, LPIs, the GICv5 IRS, and the GICv5 ITS."
  : .
  KVM: arm64: selftests: Add no-vgic-v5 selftest
  KVM: arm64: selftests: Introduce a minimal GICv5 PPI selftest
  KVM: arm64: gic-v5: Communicate userspace-driveable PPIs via a UAPI
  Documentation: KVM: Introduce documentation for VGICv5
  KVM: arm64: gic-v5: Probe for GICv5 device
  KVM: arm64: gic-v5: Set ICH_VCTLR_EL2.En on boot
  KVM: arm64: gic-v5: Introduce kvm_arm_vgic_v5_ops and register them
  KVM: arm64: gic-v5: Hide FEAT_GCIE from NV GICv5 guests
  KVM: arm64: gic: Hide GICv5 for protected guests
  KVM: arm64: gic-v5: Mandate architected PPI for PMU emulation on GICv5
  KVM: arm64: gic-v5: Enlighten arch timer for GICv5
  irqchip/gic-v5: Introduce minimal irq_set_type() for PPIs
  KVM: arm64: gic-v5: Initialise ID and priority bits when resetting vcpu
  KVM: arm64: gic-v5: Create and initialise vgic_v5
  KVM: arm64: gic-v5: Support GICv5 interrupts with KVM_IRQ_LINE
  KVM: arm64: gic-v5: Implement direct injection of PPIs
  KVM: arm64: Introduce set_direct_injection irq_op
  KVM: arm64: gic-v5: Trap and mask guest ICC_PPI_ENABLERx_EL1 writes
  KVM: arm64: gic-v5: Check for pending PPIs
  KVM: arm64: gic-v5: Clear TWI if single task running
  ...

Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier
2026-04-08 12:22:35 +01:00
parent 2de32a25a3 ce29261ec6
commit f8078d51ee
47 changed files with 3205 additions and 383 deletions
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2
arch/arm64/include/asm/kvm_asm.h
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@@ -81,6 +81,8 @@ enum __kvm_host_smccc_func {
__KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff,
__KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs,
__KVM_HOST_SMCCC_FUNC___vgic_v3_restore_vmcr_aprs,
__KVM_HOST_SMCCC_FUNC___vgic_v5_save_apr,
__KVM_HOST_SMCCC_FUNC___vgic_v5_restore_vmcr_apr,
__KVM_HOST_SMCCC_FUNC___pkvm_reserve_vm,
__KVM_HOST_SMCCC_FUNC___pkvm_unreserve_vm,
__KVM_HOST_SMCCC_FUNC___pkvm_init_vm,