core: Add generic MMIO access dispatching

[jailhouse.git] / hypervisor / include / jailhouse / cell.h

diff --git a/hypervisor/include/jailhouse/cell.h b/hypervisor/include/jailhouse/cell.h
index 13bd4198ee5c3e2edf4adc8c12c563a78f39d1ef..d8024022ec191900e7a55be19519037ad7211803 100644 (file)
--- a/hypervisor/include/jailhouse/cell.h
+++ b/hypervisor/include/jailhouse/cell.h
@@ -13,9 +13,11 @@
 #ifndef _JAILHOUSE_CELL_H
 #define _JAILHOUSE_CELL_H
 
+#include <jailhouse/mmio.h>
 #include <jailhouse/paging.h>
 #include <jailhouse/pci.h>
 #include <asm/cell.h>
+#include <asm/spinlock.h>
 
 #include <jailhouse/cell-config.h>
 #include <jailhouse/hypercall.h>
@@ -58,6 +60,18 @@ struct cell {
        struct pci_device *msix_device_list;
        /** List of virtual PCI devices assigned to this cell. */
        struct pci_device *virtual_device_list;
+
+       /** Lock protecting changes to mmio_locations, mmio_handlers, and
+        * num_mmio_regions. */
+       spinlock_t mmio_region_lock;
+       /** MMIO region description table. */
+       struct mmio_region_location *mmio_locations;
+       /** MMIO region handler table. */
+       struct mmio_region_handler *mmio_handlers;
+       /** Number of MMIO regions in use. */
+       unsigned int num_mmio_regions;
+       /** Maximum number of MMIO regions. */
+       unsigned int max_mmio_regions;
 };
 
 extern struct cell root_cell;