[PATCH 04/17] KVM: selftests: add kvm_irq_line library function

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Add an architecture independent wrapper function for the KVM_IRQ_LINE
ioctl.

Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx>
---
 .../testing/selftests/kvm/include/kvm_util.h  |  2 ++
 tools/testing/selftests/kvm/lib/kvm_util.c    | 21 +++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index f6b3794f306b..c6831fd8aea7 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -239,6 +239,8 @@ 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);
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 041004c0fda7..7d9cb8358702 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -2078,6 +2078,27 @@ 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
  *
-- 
2.34.0.rc0.344.g81b53c2807-goog

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