vlib: add PCI MSI-X interrupt support (vfio only)

[vpp.git] / src / vlib / pci / pci.h

diff --git a/src/vlib/pci/pci.h b/src/vlib/pci/pci.h
index cf69de4..072988a 100644 (file)
--- a/src/vlib/pci/pci.h
+++ b/src/vlib/pci/pci.h
@@ -117,6 +117,10 @@ typedef struct
   u16 vendor_id, device_id;
 } pci_device_id_t;
 
+typedef void (pci_intx_handler_function_t) (vlib_pci_dev_handle_t handle);
+typedef void (pci_msix_handler_function_t) (vlib_pci_dev_handle_t handle,
+                                           u16 line);
+
 typedef struct _pci_device_registration
 {
   /* Driver init function. */
@@ -124,7 +128,7 @@ typedef struct _pci_device_registration
                                  vlib_pci_dev_handle_t handle);
 
   /* Interrupt handler */
-  void (*interrupt_handler) (vlib_pci_dev_handle_t handle);
+  pci_intx_handler_function_t *interrupt_handler;
 
   /* List of registrations */
   struct _pci_device_registration *next_registration;
@@ -252,6 +256,15 @@ clib_error_t *vlib_pci_map_region_fixed (vlib_pci_dev_handle_t h,
                                         u32 resource, u8 * addr,
                                         void **result);
 
+clib_error_t *vlib_pci_register_msix_handler (vlib_pci_dev_handle_t h,
+                                             u32 start, u32 count,
+                                             pci_msix_handler_function_t *
+                                             msix_handler);
+clib_error_t *vlib_pci_enable_msix_irq (vlib_pci_dev_handle_t h, u16 start,
+                                       u16 count);
+clib_error_t *vlib_pci_disable_msix_irq (vlib_pci_dev_handle_t h, u16 start,
+                                        u16 count);
+
 unformat_function_t unformat_vlib_pci_addr;
 format_function_t format_vlib_pci_addr;
 format_function_t format_vlib_pci_link_speed;