added ability to partially hook MSRs

[palacios.git] / palacios / include / palacios / vmm_msr.h

diff --git a/palacios/include/palacios/vmm_msr.h b/palacios/include/palacios/vmm_msr.h
index f494772..f8cbd4e 100644 (file)
--- a/palacios/include/palacios/vmm_msr.h
+++ b/palacios/include/palacios/vmm_msr.h
@@ -26,6 +26,19 @@
 #include <palacios/vmm_types.h>
 #include <palacios/vmm_list.h>
 
+#define SYSENTER_CS_MSR 0x00000174
+#define SYSENTER_ESP_MSR 0x00000175
+#define SYSENTER_EIP_MSR 0x00000176
+#define EFER_MSR 0xc0000080
+#define IA32_STAR_MSR 0xc0000081
+#define IA32_LSTAR_MSR 0xc0000082
+#define IA32_CSTAR_MSR 0xc0000083 
+#define IA32_FMASK_MSR 0xc0000084
+#define FS_BASE_MSR 0xc0000100
+#define GS_BASE_MSR 0xc0000101
+#define IA32_KERN_GS_BASE_MSR 0xc0000102
+
+
 struct guest_info;
 struct v3_vm_info;
 
@@ -45,10 +58,10 @@ struct v3_msr {
 typedef struct v3_msr v3_msr_t;
 
 struct v3_msr_hook {
-    uint_t msr;
+    uint32_t msr;
   
-    int (*read)(struct guest_info * core, uint_t msr, struct v3_msr * dst, void * priv_data);
-    int (*write)(struct guest_info * core, uint_t msr, struct v3_msr src, void * priv_data);
+    int (*read)(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data);
+    int (*write)(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data);
 
     void * priv_data;
 
@@ -63,30 +76,33 @@ struct v3_msr_map {
     uint_t num_hooks;
     struct list_head hook_list;
 
-    int (*update_map)(struct v3_vm_info * vm, uint_t msr, int hook_read, int hook_write);
+    int (*update_map)(struct v3_vm_info * vm, uint32_t msr, int hook_read, int hook_write);
     void * arch_data;
 
 };
 
 
 void v3_init_msr_map(struct v3_vm_info * vm);
+int v3_deinit_msr_map(struct v3_vm_info * vm);
 
-int v3_unhook_msr(struct v3_vm_info * vm, uint_t msr);
+int v3_unhook_msr(struct v3_vm_info * vm, uint32_t msr);
 
-int v3_hook_msr(struct v3_vm_info * vm, uint_t msr,
-               int (*read)(struct guest_info * core, uint_t msr, struct v3_msr * dst, void * priv_data),
-               int (*write)(struct guest_info * core, uint_t msr, struct v3_msr src, void * priv_data), 
+int v3_hook_msr(struct v3_vm_info * vm, uint32_t msr,
+               int (*read)(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data),
+               int (*write)(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data), 
                void * priv_data);
 
 
-struct v3_msr_hook * v3_get_msr_hook(struct v3_vm_info * vm, uint_t msr);
+int v3_msr_unhandled_read(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data);
+int v3_msr_unhandled_write(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data);
+
+struct v3_msr_hook * v3_get_msr_hook(struct v3_vm_info * vm, uint32_t msr);
 
 void v3_refresh_msr_map(struct v3_vm_info * vm);
 
 void v3_print_msr_map(struct v3_vm_info * vm);
 
 int v3_handle_msr_write(struct guest_info * info);
-
 int v3_handle_msr_read(struct guest_info * info);