iommu/vt-d: Convert MSI remapping setup to remap_ops

This patch introduces remapping-ops for setting ups MSI
interrupts.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index a68d304f9729..9dc179316ba1 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -127,3 +127,38 @@ void intr_free_irq(int irq)
 
         remap_ops->free_irq(irq);
 }
+
+void intr_compose_msi_msg(struct pci_dev *pdev,
+                          unsigned int irq, unsigned int dest,
+                          struct msi_msg *msg, u8 hpet_id)
+{
+        if (!remap_ops || !remap_ops->compose_msi_msg)
+                return;
+
+        remap_ops->compose_msi_msg(pdev, irq, dest, msg, hpet_id);
+}
+
+int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
+{
+        if (!remap_ops || !remap_ops->msi_alloc_irq)
+                return -ENODEV;
+
+        return remap_ops->msi_alloc_irq(pdev, irq, nvec);
+}
+
+int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
+                       int index, int sub_handle)
+{
+        if (!remap_ops || !remap_ops->msi_setup_irq)
+                return -ENODEV;
+
+        return remap_ops->msi_setup_irq(pdev, irq, index, sub_handle);
+}
+
+int intr_setup_hpet_msi(unsigned int irq, unsigned int id)
+{
+        if (!remap_ops || !remap_ops->setup_hpet_msi)
+                return -ENODEV;
+
+        return remap_ops->setup_hpet_msi(irq, id);
+}