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KVM: selftests: Add IRQ GSI routing library functions

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Add an architecture independent wrapper function for creating and
writing IRQ GSI routing tables. Also add a function to add irqchip
entries.

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/20211109023906.1091208-15-ricarkol@google.com
This commit is contained in:
Ricardo Koller
2021-11-08 18:39:03 -08:00
committed by Marc Zyngier
parent 90f50acac9
commit 88209c104e
2 changed files with 59 additions and 0 deletions
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8
tools/testing/selftests/kvm/include/kvm_util.h
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@@ -252,6 +252,14 @@ int _vcpu_access_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group,
int vcpu_access_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group,
uint64_t attr, void *val, bool write);
#define KVM_MAX_IRQ_ROUTES 4096
struct kvm_irq_routing *kvm_gsi_routing_create(void);
void kvm_gsi_routing_irqchip_add(struct kvm_irq_routing *routing,
uint32_t gsi, uint32_t pin);
int _kvm_gsi_routing_write(struct kvm_vm *vm, struct kvm_irq_routing *routing);
void kvm_gsi_routing_write(struct kvm_vm *vm, struct kvm_irq_routing *routing);
const char *exit_reason_str(unsigned int exit_reason);
void virt_pgd_alloc(struct kvm_vm *vm);