From: Ricardo Koller <ricarkol@google.com>
Date: Tue, 9 Nov 2021 02:38:53 +0000 (-0800)
Subject: KVM: selftests: Add kvm_irq_line library function
X-Git-Tag: v5.17-rc1~69^2~50^2~1^2~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=227895ed6d03b46fa619614a41a3b8e1074d6151;p=thirdparty%2Flinux.git

KVM: selftests: Add kvm_irq_line library function

Add an architecture independent wrapper function for the KVM_IRQ_LINE
ioctl.

Signed-off-by: Ricardo Koller <ricarkol@google.com>
Acked-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211109023906.1091208-5-ricarkol@google.com
---

diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index 6a1a37f30494b..4ba8fd44cf953 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -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);
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 8f2e0bb1ef96a..9f7210c2d75e6 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -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
  *