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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@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
This commit is contained in:
Ricardo Koller 2021-11-08 18:38:53 -08:00 committed by Marc Zyngier
parent 17ce617bf7
commit 227895ed6d
2 changed files with 23 additions and 0 deletions
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2
tools/testing/selftests/kvm/include/kvm_util.h
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@ -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);

21
tools/testing/selftests/kvm/lib/kvm_util.c
View File

@ -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
*