v2: https://lore.kernel.org/kvmarm/20240419223842.951452-1-oliver.upton@xxxxxxxxx/ v2 -> v3: - Add lockdep assertion to kvm_vfio_create() (Sean) - Address intermediate compilation issue in vgic_its_invalidate_cache() (Marc) - Use a more compact cache index based on the DID/EID range of the ITS (Marc) - Comment improvements (Marc) - Avoid explicit acquisition of the translation cache's xa_lock() (Marc) - Eliminate the need to disable IRQs to acquire the translation cache's xa_lock() - Collapse internal helper into vgic_its_check_cache() Oliver Upton (19): KVM: Treat the device list as an rculist KVM: arm64: vgic-its: Walk LPI xarray in its_sync_lpi_pending_table() KVM: arm64: vgic-its: Walk LPI xarray in vgic_its_invall() KVM: arm64: vgic-its: Walk LPI xarray in vgic_its_cmd_handle_movall() KVM: arm64: vgic-debug: Use an xarray mark for debug iterator KVM: arm64: vgic-its: Get rid of vgic_copy_lpi_list() KVM: arm64: vgic-its: Scope translation cache invalidations to an ITS KVM: arm64: vgic-its: Maintain a translation cache per ITS KVM: arm64: vgic-its: Spin off helper for finding ITS by doorbell addr KVM: arm64: vgic-its: Use the per-ITS translation cache for injection KVM: arm64: vgic-its: Rip out the global translation cache KVM: arm64: vgic-its: Get rid of the lpi_list_lock KVM: selftests: Align with kernel's GIC definitions KVM: selftests: Standardise layout of GIC frames KVM: selftests: Add quadword MMIO accessors KVM: selftests: Add a minimal library for interacting with an ITS KVM: selftests: Add helper for enabling LPIs on a redistributor KVM: selftests: Use MPIDR_HWID_BITMASK from cputype.h KVM: selftests: Add stress test for LPI injection arch/arm64/kvm/vgic/vgic-debug.c | 82 ++- arch/arm64/kvm/vgic/vgic-init.c | 8 - arch/arm64/kvm/vgic/vgic-its.c | 352 ++++------- arch/arm64/kvm/vgic/vgic-mmio-v3.c | 2 +- arch/arm64/kvm/vgic/vgic.c | 6 +- arch/arm64/kvm/vgic/vgic.h | 6 +- include/kvm/arm_vgic.h | 13 +- tools/testing/selftests/kvm/Makefile | 2 + .../selftests/kvm/aarch64/arch_timer.c | 8 +- .../testing/selftests/kvm/aarch64/psci_test.c | 2 + .../testing/selftests/kvm/aarch64/vgic_irq.c | 15 +- .../selftests/kvm/aarch64/vgic_lpi_stress.c | 410 ++++++++++++ .../kvm/aarch64/vpmu_counter_access.c | 6 +- .../selftests/kvm/dirty_log_perf_test.c | 5 +- .../selftests/kvm/include/aarch64/gic.h | 21 +- .../selftests/kvm/include/aarch64/gic_v3.h | 586 +++++++++++++++++- .../kvm/include/aarch64/gic_v3_its.h | 19 + .../selftests/kvm/include/aarch64/processor.h | 19 +- .../selftests/kvm/include/aarch64/vgic.h | 5 +- tools/testing/selftests/kvm/lib/aarch64/gic.c | 18 +- .../selftests/kvm/lib/aarch64/gic_private.h | 4 +- .../selftests/kvm/lib/aarch64/gic_v3.c | 99 +-- .../selftests/kvm/lib/aarch64/gic_v3_its.c | 248 ++++++++ .../testing/selftests/kvm/lib/aarch64/vgic.c | 38 +- virt/kvm/kvm_main.c | 14 +- virt/kvm/vfio.c | 2 + 26 files changed, 1572 insertions(+), 418 deletions(-) create mode 100644 tools/testing/selftests/kvm/aarch64/vgic_lpi_stress.c create mode 100644 tools/testing/selftests/kvm/include/aarch64/gic_v3_its.h create mode 100644 tools/testing/selftests/kvm/lib/aarch64/gic_v3_its.c base-commit: fec50db7033ea478773b159e0e2efb135270e3b7 -- 2.44.0.769.g3c40516874-goog
