[linux-nvidia-6.17] Add ARM CCA host support#298

Open

ianm-nv wants to merge 51 commits intoNVIDIA:24.04_linux-nvidia-6.17-nextfrom

ianm-nv:24.04_linux-nvidia-6.17-next+cca/latest

Commits on Jan 28, 2026

NVIDIA: VR: SAUCE: kvm: arm64: Include kvm_emulate.h in kvm/arm_psci.h

Suzuki K Poulose
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Handle Granule Protection Faults (GPFs)

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Add SMC definitions for calling the RMM

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Add wrappers for RMI calls

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Check for RME support at KVM init

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Define the user ABI

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: ioctls to create and configure realms

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: kvm: arm64: Don't expose debug capabilities for realm guests

Suzuki K Poulose
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Allow passing machine type in KVM creation

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: RTT tear down

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Allocate/free RECs to match vCPUs

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: vgic: Provide helper for number of list registers

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Support for the VGIC in realms

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Support timers in realm RECs

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Allow VMM to set RIPAS

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Handle realm enter/exit

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Handle RMI_EXIT_RIPAS_CHANGE

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Handle realm MMIO emulation

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Allow populating initial contents

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Runtime faulting of memory

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Handle realm VCPU load

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Validate register access for a Realm VM

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Handle Realm PSCI requests

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: WARN on injected undef exceptions

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: Don't expose stolen time for realm guests

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: allow userspace to inject aborts

jgouly
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: support RSI_HOST_CALL

jgouly
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Allow checking SVE on VM instance

Suzuki K Poulose
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Always use 4k pages for realms

Steven Price
authored and
ianm-nv
committed

Commits on Jan 29, 2026

NVIDIA: VR: SAUCE: arm64: RME: Prevent Device mappings for Realms

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm_pmu: Provide a mechanism for disabling the physical IRQ

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Enable PMU support with a realm guest

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Hide KVM_CAP_READONLY_MEM for realm guests

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Propagate number of breakpoints and watchpoints to userspace

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Set breakpoint parameters through SET_ONE_REG

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Initialize PMCR.N with number counter supported by RMM

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Propagate max SVE vector length from RMM

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Configure max SVE vector length for a Realm

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Provide register list for unfinalized RME RECs

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Provide accurate register list

Jean-Philippe Brucker
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Expose support for private memory

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Expose KVM_ARM_VCPU_REC to user space

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: KVM: arm64: Allow activating realms

Steven Price
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Fix UBSAN shift-out-of-bounds in kvm_realm_unmap_range
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Add MECID support

raghuncstate
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: arm64: RME: Add bounds check

raghuncstate
authored and
ianm-nv
committed

Commits on Jan 30, 2026

NVIDIA: VR: SAUCE: KVM: arm64: Expose KVM_CAP_ARM_RME via module parameter
ianm-nv
committed
arm64: realm: ioremap: Allow mapping memory as encrypted

Suzuki K Poulose
authored and
ianm-nv
committed
arm64: acpi: Enable ACPI CCEL support

Suzuki K Poulose
authored and
ianm-nv
committed
arm64: Enable EFI secret area Securityfs support

Suzuki K Poulose
authored and
ianm-nv
committed
NVIDIA: VR: SAUCE: [Config] Update annotations for ARM CCA
ianm-nv
committed