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Commit 5efdb4be authored by Alexander Graf's avatar Alexander Graf
Browse files

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: default avatarAlexander Graf <agraf@suse.de>
parent de9ba2f3

arch/powerpc/include/uapi/asm/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

arch/powerpc/kvm/powerpc.c

+13 −0
Original line number Diff line number Diff line
@@ -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)

{