From: Chao Gao <chao....@intel.com>
Signed-off-by: Chao Gao <chao....@intel.com>
Signed-off-by: Lan Tianyu <tianyu....@intel.com>
---
xen/arch/x86/hvm/vvtd.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/xen/arch/x86/hvm/vvtd.c b/xen/arch/x86/hvm/vvtd.c
index c5df77d..0c49294 100644
--- a/xen/arch/x86/hvm/vvtd.c
+++ b/xen/arch/x86/hvm/vvtd.c
@@ -568,6 +568,25 @@ static int vvtd_handle_irq_request(struct domain *d,
return -EFAULT;
}
+static int vvtd_get_irq_info(struct domain *d,
+ struct irq_remapping_request *irq,
+ struct irq_remapping_info *info)
+{
+ int ret;
+ struct iremap_entry irte;
+ struct vvtd *vvtd = domain_vvtd(d);
+
+ ret = vvtd_get_entry(vvtd, irq, &irte, 0);
+ if ( ret )
+ return -ret;
+
+ info->vector = irte.remap.vector;
+ info->dest = irte_dest(vvtd, &irte);
+ info->dest_mode = irte.remap.dm;
+ info->delivery_mode = irte.remap.dlm;
+ return 0;
+}
+
static void vvtd_reset(struct vvtd *vvtd, uint64_t capability)
{
uint64_t cap, ecap;
@@ -667,5 +686,6 @@ struct viommu_ops vvtd_hvm_vmx_ops = {
.query_caps = vvtd_query_caps,
.create = vvtd_create,
.destroy = vvtd_destroy,
- .handle_irq_request = vvtd_handle_irq_request
+ .handle_irq_request = vvtd_handle_irq_request,
+ .get_irq_info = vvtd_get_irq_info
};
--
1.8.3.1
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