174178fed3
This patch enables irqfd on arm/arm64. Both irqfd and resamplefd are supported. Injection is implemented in vgic.c without routing. This patch enables CONFIG_HAVE_KVM_EVENTFD and CONFIG_HAVE_KVM_IRQFD. KVM_CAP_IRQFD is now advertised. KVM_CAP_IRQFD_RESAMPLE capability automatically is advertised as soon as CONFIG_HAVE_KVM_IRQFD is set. Irqfd injection is restricted to SPI. The rationale behind not supporting PPI irqfd injection is that any device using a PPI would be a private-to-the-CPU device (timer for instance), so its state would have to be context-switched along with the VCPU and would require in-kernel wiring anyhow. It is not a relevant use case for irqfds. Signed-off-by: Eric Auger <eric.auger@linaro.org> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
30 lines
1.0 KiB
Makefile
30 lines
1.0 KiB
Makefile
#
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# Makefile for Kernel-based Virtual Machine module
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#
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ccflags-y += -Ivirt/kvm -Iarch/arm64/kvm
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CFLAGS_arm.o := -I.
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CFLAGS_mmu.o := -I.
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KVM=../../../virt/kvm
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ARM=../../../arch/arm/kvm
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obj-$(CONFIG_KVM_ARM_HOST) += kvm.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/arm.o $(ARM)/mmu.o $(ARM)/mmio.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/psci.o $(ARM)/perf.o
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kvm-$(CONFIG_KVM_ARM_HOST) += emulate.o inject_fault.o regmap.o
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kvm-$(CONFIG_KVM_ARM_HOST) += hyp.o hyp-init.o handle_exit.o
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kvm-$(CONFIG_KVM_ARM_HOST) += guest.o reset.o sys_regs.o sys_regs_generic_v8.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic-v2.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic-v2-emul.o
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kvm-$(CONFIG_KVM_ARM_HOST) += vgic-v2-switch.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic-v3.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic-v3-emul.o
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kvm-$(CONFIG_KVM_ARM_HOST) += vgic-v3-switch.o
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kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/arch_timer.o
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