#include <palacios/vmm_mem.h>
#include <palacios/vmm_paging.h>
+#include <palacios/vmm_list.h>
+
+
+/**********************************
+ PASSTHROUGH PAGING - CORE FUNC
+ **********************************/
+
+
+struct v3_passthrough_impl_state {
+ // currently there is only a single implementation
+ // that internally includes SVM and VMX support
+ // The externally visible state is just the callbacks
+ struct list_head event_callback_list;
+};
+
+
+int v3_init_passthrough_paging(struct v3_vm_info *vm);
+int v3_init_passthrough_paging_core(struct guest_info *core);
+int v3_deinit_passthrough_paging(struct v3_vm_info *vm);
+int v3_deinit_passthrough_paging_core(struct guest_info *core);
int v3_init_passthrough_pts(struct guest_info * guest_info);
int v3_free_passthrough_pts(struct guest_info * core);
int v3_reset_passthrough_pts(struct guest_info * guest_info);
-int v3_handle_passthrough_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
-int v3_handle_nested_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+// actual_start/end may be null if you don't want this info
+// If non-null, these return the actual affected GPA range
+int v3_handle_passthrough_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code,
+ addr_t *actual_start, addr_t *actual_end);
int v3_activate_passthrough_pt(struct guest_info * info);
-int v3_invalidate_passthrough_addr(struct guest_info * info, addr_t inv_addr);
+int v3_invalidate_passthrough_addr(struct guest_info * info, addr_t inv_addr,
+ addr_t *actual_start, addr_t *actual_end);
+
// The range invalidated is minimally [start, end]
int v3_invalidate_passthrough_addr_range(struct guest_info * info,
- addr_t inv_addr_start, addr_t inv_addr_end);
+ addr_t inv_addr_start, addr_t inv_addr_end,
+ addr_t *actual_start, addr_t *actual_end);
+
+/**********************************
+ PASSTHROUGH PAGING - EVENTS
+ **********************************/
+
+struct v3_passthrough_pg_event {
+ enum {PASSTHROUGH_PAGEFAULT,PASSTHROUGH_INVALIDATE_RANGE,PASSTHROUGH_ACTIVATE} event_type;
+ enum {PASSTHROUGH_PREIMPL, PASSTHROUGH_POSTIMPL} event_order;
+ addr_t gpa; // for pf
+ pf_error_t error_code; // for pf
+ addr_t gpa_start; // for invalidation of range or page fault
+ addr_t gpa_end; // for invalidation of range or page fault (range is [start,end] )
+ // PREIMPL: start/end is the requested range
+ // POSTIMPL: start/end is the actual range invalidated
+};
+
+
+
+int v3_register_passthrough_paging_event_callback(struct v3_vm_info *vm,
+ int (*callback)(struct guest_info *core,
+ struct v3_passthrough_pg_event *,
+ void *priv_data),
+ void *priv_data);
+
+int v3_unregister_passthrough_paging_event_callback(struct v3_vm_info *vm,
+ int (*callback)(struct guest_info *core,
+ struct v3_passthrough_pg_event,
+ void *priv_data),
+ void *priv_data);
+
+
+
+/*****************************
+ NESTED PAGING - CORE FUNC
+ *****************************/
+
+
+struct v3_nested_impl_state {
+ // currently there is only a single implementation
+ // that internally includes SVM and VMX support
+ // The externally visible state is just the callbacks
+ struct list_head event_callback_list;
+};
+
+int v3_init_nested_paging(struct v3_vm_info *vm);
+int v3_init_nested_paging_core(struct guest_info *core, void *hwinfo);
+int v3_deinit_nested_paging(struct v3_vm_info *vm);
+int v3_deinit_nested_paging_core(struct guest_info *core);
+
+
+// actual_start/end may be null if you don't want this info
+// If non-null, these return the actual affected GPA range
+int v3_handle_nested_pagefault(struct guest_info * info, addr_t fault_addr, void *pfinfo,
+ addr_t *actual_start, addr_t *actual_end);
+
+int v3_invalidate_nested_addr(struct guest_info * info, addr_t inv_addr,
+ addr_t *actual_start, addr_t *actual_end);
-int v3_invalidate_nested_addr(struct guest_info * info, addr_t inv_addr);
// The range invalidated is minimally [start, end]
int v3_invalidate_nested_addr_range(struct guest_info * info,
- addr_t inv_addr_start, addr_t inv_addr_end);
+ addr_t inv_addr_start, addr_t inv_addr_end,
+ addr_t *actual_start, addr_t *actual_end);
+
+
+
+/*****************************
+ NESTED PAGING - EVENTS
+ *****************************/
+
+struct v3_nested_pg_event {
+ enum {NESTED_PAGEFAULT,NESTED_INVALIDATE_RANGE} event_type;
+ enum {NESTED_PREIMPL, NESTED_POSTIMPL} event_order;
+ addr_t gpa; // for pf
+ pf_error_t error_code; // for pf
+ addr_t gpa_start; // for invalidation of range or page fault
+ addr_t gpa_end; // for invalidation of range or page fault (range is [start,end] )
+ // PREIMPL: start/end is the requested range
+ // POSTIMPL: start/end is the actual range invalidated
+};
+
+
+
+int v3_register_nested_paging_event_callback(struct v3_vm_info *vm,
+ int (*callback)(struct guest_info *core,
+ struct v3_nested_pg_event *,
+ void *priv_data),
+ void *priv_data);
+
+int v3_unregister_nested_paging_event_callback(struct v3_vm_info *vm,
+ int (*callback)(struct guest_info *core,
+ struct v3_nested_pg_event,
+ void *priv_data),
+ void *priv_data);
+
#endif // ! __V3VEE__
