[Qemu-devel] [kvm-unit-tests PATCH 7/8] intel-iommu: allow setup trigger mode for irte

[Peter Xu]

IOAPIC interrupts need this. Let's be prepared.

Signed-off-by: Peter Xu <address@hidden>
---
 lib/x86/intel-iommu.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/x86/intel-iommu.c b/lib/x86/intel-iommu.c
index a3ce678..0585248 100644
--- a/lib/x86/intel-iommu.c
+++ b/lib/x86/intel-iommu.c
@@ -250,13 +250,13 @@ static uint16_t vtd_intr_index_alloc(void)
 }
 
 static void vtd_setup_irte(struct pci_dev *dev, vtd_irte_t *irte,
-                          int vector, int dest_id)
+                          int vector, int dest_id, trigger_mode_t trigger)
 {
        assert(sizeof(vtd_irte_t) == 16);
        memset(irte, 0, sizeof(*irte));
        irte->fault_disable = 1;
        irte->dest_mode = 0;     /* physical */
-       irte->trigger_mode = 0;  /* edge */
+       irte->trigger_mode = trigger;
        irte->delivery_mode = 0; /* fixed */
        irte->irte_mode = 0;     /* remapped */
        irte->vector = vector;
@@ -301,7 +301,9 @@ bool vtd_setup_msi(struct pci_dev *dev, int vector, int 
dest_id)
        assert(sizeof(vtd_msi_addr_t) == 8);
        assert(sizeof(vtd_msi_data_t) == 4);
 
-       vtd_setup_irte(dev, irte + index, vector, dest_id);
+       /* Use edge irq as default */
+       vtd_setup_irte(dev, irte + index, vector,
+                      dest_id, TRIGGER_EDGE);
 
        msi_addr.handle_15 = index >> 15 & 1;
        msi_addr.shv = 0;
-- 
2.7.4