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| author | Alexander Graf | 2013-04-17 00:37:57 +0200 |
|---|---|---|
| committer | Alexander Graf | 2013-04-26 20:27:25 +0200 |
| commit | 5efdb4be598fc2af6937c3387586635ddf6fd2c8 (patch) | |
| tree | d29783ce903314e669463e7365a4cebb16db9bc5 | |
| parent | KVM: PPC: Support irq routing and irqfd for in-kernel MPIC (diff) | |
| download | kernel-qcow2-linux-5efdb4be598fc2af6937c3387586635ddf6fd2c8.tar.gz kernel-qcow2-linux-5efdb4be598fc2af6937c3387586635ddf6fd2c8.tar.xz kernel-qcow2-linux-5efdb4be598fc2af6937c3387586635ddf6fd2c8.zip | |
KVM: PPC: MPIC: Add support for KVM_IRQ_LINE
Now that all pieces are in place for reusing generic irq infrastructure,
we can copy x86's implementation of KVM_IRQ_LINE irq injection and simply
reuse it for PPC, as it will work there just as well.
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | arch/powerpc/include/uapi/asm/kvm.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h index ca871067a69b..03c7819a44a3 100644 --- a/arch/powerpc/include/uapi/asm/kvm.h +++ b/arch/powerpc/include/uapi/asm/kvm.h @@ -26,6 +26,7 @@ #define __KVM_HAVE_SPAPR_TCE #define __KVM_HAVE_PPC_SMT #define __KVM_HAVE_IRQCHIP +#define __KVM_HAVE_IRQ_LINE struct kvm_regs { __u64 pc; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 5d046bbdf11f..d8e81e6c1afe 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -33,6 +33,7 @@ #include <asm/cputhreads.h> #include <asm/irqflags.h> #include "timing.h" +#include "irq.h" #include "../mm/mmu_decl.h" #define CREATE_TRACE_POINTS @@ -939,6 +940,18 @@ static int kvm_vm_ioctl_get_pvinfo(struct kvm_ppc_pvinfo *pvinfo) return 0; } +int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event, + bool line_status) +{ + if (!irqchip_in_kernel(kvm)) + return -ENXIO; + + irq_event->status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, + irq_event->irq, irq_event->level, + line_status); + return 0; +} + long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { |