Commit 227895ed authored by Ricardo Koller's avatar Ricardo Koller Committed by Marc Zyngier
Browse files

KVM: selftests: Add kvm_irq_line library function 



Add an architecture independent wrapper function for the KVM_IRQ_LINE
ioctl.

Signed-off-by: default avatarRicardo Koller <ricarkol@google.com>
Acked-by: default avatarAndrew Jones <drjones@redhat.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211109023906.1091208-5-ricarkol@google.com
parent 17ce617b

tools/testing/selftests/kvm/include/kvm_util.h

+2 −0
Original line number Diff line number Diff line
@@ -240,6 +240,8 @@ int _kvm_device_access(int dev_fd, uint32_t group, uint64_t attr, 
		       void *val, bool write);

int kvm_device_access(int dev_fd, uint32_t group, uint64_t attr,

		      void *val, bool write);

void kvm_irq_line(struct kvm_vm *vm, uint32_t irq, int level);

int _kvm_irq_line(struct kvm_vm *vm, uint32_t irq, int level);



int _vcpu_has_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group,

			  uint64_t attr);

tools/testing/selftests/kvm/lib/kvm_util.c

+21 −0
Original line number Diff line number Diff line
@@ -2086,6 +2086,27 @@ int vcpu_access_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group, 
	return ret;

}



/*

 * IRQ related functions.

 */



int _kvm_irq_line(struct kvm_vm *vm, uint32_t irq, int level)

{

	struct kvm_irq_level irq_level = {

		.irq    = irq,

		.level  = level,

	};



	return _vm_ioctl(vm, KVM_IRQ_LINE, &irq_level);

}



void kvm_irq_line(struct kvm_vm *vm, uint32_t irq, int level)

{

	int ret = _kvm_irq_line(vm, irq, level);



	TEST_ASSERT(ret >= 0, "KVM_IRQ_LINE failed, rc: %i errno: %i", ret, errno);

}



/*

 * VM Dump

 *