diff options
| -rw-r--r-- | arch/powerpc/kvm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/Makefile | 4 | ||||
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 17 |
3 files changed, 20 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 71f0cd9edf3..4730c953f43 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -20,6 +20,7 @@ config KVM bool select PREEMPT_NOTIFIERS select ANON_INODES + select HAVE_KVM_EVENTFD config KVM_BOOK3S_HANDLER bool diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index c2a08636e6d..cd896582867 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -6,7 +6,8 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror ccflags-y := -Ivirt/kvm -Iarch/powerpc/kvm -common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o) +common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o \ + eventfd.o) CFLAGS_44x_tlb.o := -I. CFLAGS_e500_tlb.o := -I. @@ -76,6 +77,7 @@ kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HV) := \ kvm-book3s_64-module-objs := \ ../../../virt/kvm/kvm_main.o \ + ../../../virt/kvm/eventfd.o \ powerpc.o \ emulate.o \ book3s.o \ diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index f9ab12aea82..d583ea15e15 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -314,6 +314,7 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_PPC_IRQ_LEVEL: case KVM_CAP_ENABLE_CAP: case KVM_CAP_ONE_REG: + case KVM_CAP_IOEVENTFD: r = 1; break; #ifndef CONFIG_KVM_BOOK3S_64_HV @@ -618,6 +619,13 @@ int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, vcpu->mmio_is_write = 0; vcpu->arch.mmio_sign_extend = 0; + if (!kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, run->mmio.phys_addr, + bytes, &run->mmio.data)) { + kvmppc_complete_mmio_load(vcpu, run); + vcpu->mmio_needed = 0; + return EMULATE_DONE; + } + return EMULATE_DO_MMIO; } @@ -627,8 +635,8 @@ int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, { int r; - r = kvmppc_handle_load(run, vcpu, rt, bytes, is_bigendian); vcpu->arch.mmio_sign_extend = 1; + r = kvmppc_handle_load(run, vcpu, rt, bytes, is_bigendian); return r; } @@ -666,6 +674,13 @@ int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, } } + if (!kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, run->mmio.phys_addr, + bytes, &run->mmio.data)) { + kvmppc_complete_mmio_load(vcpu, run); + vcpu->mmio_needed = 0; + return EMULATE_DONE; + } + return EMULATE_DO_MMIO; } |