@@ -129,6 +129,22 @@ int viommu_handle_irq_request(const struct domain *d,
return viommu->ops->handle_irq_request(d, request);
}
+int viommu_get_irq_info(const struct domain *d,
+ const struct arch_irq_remapping_request *request,
+ struct arch_irq_remapping_info *irq_info)
+{
+ const struct viommu *viommu = d->arch.hvm_domain.viommu;
+
+ if ( !viommu )
+ return -EINVAL;
+
+ ASSERT(viommu->ops);
+ if ( !viommu->ops->get_irq_info )
+ return -EINVAL;
+
+ return viommu->ops->get_irq_info(d, request, irq_info);
+}
+
/*
* Local variables:
* mode: C
@@ -26,6 +26,14 @@ enum viommu_irq_request_type {
VIOMMU_REQUEST_IRQ_APIC = 1
};
+struct arch_irq_remapping_info
+{
+ uint8_t dest_mode:1;
+ uint8_t delivery_mode:3;
+ uint8_t vector;
+ uint32_t dest;
+};
+
struct arch_irq_remapping_request
{
union {
@@ -32,6 +32,9 @@ struct viommu_ops {
int (*destroy)(struct viommu *viommu);
int (*handle_irq_request)(const struct domain *d,
const struct arch_irq_remapping_request *request);
+ int (*get_irq_info)(const struct domain *d,
+ const struct arch_irq_remapping_request *request,
+ struct arch_irq_remapping_info *info);
};
struct viommu {
@@ -50,6 +53,9 @@ int viommu_destroy_domain(struct domain *d);
int viommu_domctl(struct domain *d, struct xen_domctl_viommu_op *op);
int viommu_handle_irq_request(const struct domain *d,
const struct arch_irq_remapping_request *request);
+int viommu_get_irq_info(const struct domain *d,
+ const struct arch_irq_remapping_request *request,
+ struct arch_irq_remapping_info *irq_info);
#else
static inline int viommu_destroy_domain(struct domain *d)
{