From: Jack Lange <jacklange@cs.pitt.edu>
Date: Fri, 27 Jul 2012 18:42:35 +0000 (-0400)
Subject: enabled VMX exit hooks
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=3751dffc4cb29c0db743895f7b507862db1a675d;p=palacios.releases.git

enabled VMX exit hooks
---

diff --git a/palacios/include/palacios/vmx_exits.h b/palacios/include/palacios/vmx_exits.h
new file mode 100644
index 0000000..8858f97
--- /dev/null
+++ b/palacios/include/palacios/vmx_exits.h
@@ -0,0 +1,34 @@
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2012, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2012, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+
+#ifndef __VMX_EXITS_H__
+#define __VMX_EXITS_H__
+
+
+#ifdef __V3VEE__
+
+int v3_init_vmx_exits(struct v3_vm_info * vm);
+
+
+
+#endif
+
+#endif
diff --git a/palacios/src/palacios/Makefile b/palacios/src/palacios/Makefile
index 5cde6ea..6d14934 100644
--- a/palacios/src/palacios/Makefile
+++ b/palacios/src/palacios/Makefile
@@ -66,7 +66,8 @@ obj-$(V3_CONFIG_VMX) +=  	vmx.o \
 				vmcs.o \
 				vmx_ctrl_regs.o \
 				vmx_assist.o \
-				vmx_ept.o 
+				vmx_ept.o \
+				vmx_exits.o
 
 
 
diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c
index d94d465..dc47a46 100644
--- a/palacios/src/palacios/vm_guest.c
+++ b/palacios/src/palacios/vm_guest.c
@@ -211,6 +211,7 @@ static int info_hcall(struct guest_info * core, uint_t hcall_id, void * priv_dat
 #include <palacios/vmx.h>
 #include <palacios/vmx_io.h>
 #include <palacios/vmx_msr.h>
+#include <palacios/vmx_exits.h>
 #endif
 
 
@@ -277,6 +278,7 @@ int v3_init_vm(struct v3_vm_info * vm) {
 	case V3_VMX_EPT_UG_CPU:
 	    v3_init_vmx_io_map(vm);
 	    v3_init_vmx_msr_map(vm);
+	    v3_init_vmx_exits(vm);
 	    break;
 #endif
 	default:
diff --git a/palacios/src/palacios/vmx_exits.c b/palacios/src/palacios/vmx_exits.c
new file mode 100644
index 0000000..b3f5ad9
--- /dev/null
+++ b/palacios/src/palacios/vmx_exits.c
@@ -0,0 +1,78 @@
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2012, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2012, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#include <palacios/vmm.h>
+#include <palacios/vmcb.h>
+#include <palacios/vmm_exits.h>
+
+
+
+static int enable_exit(struct guest_info * core, v3_exit_type_t exit_type) {
+    vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA((vmcb_t *)(core->vmm_data));
+
+    switch (exit_type) {
+
+	case V3_EXIT_RDTSC:
+	    ctrl_area->instrs.RDTSC = 1;
+	    break;
+	case V3_EXIT_RDTSCP:
+	    ctrl_area->svm_instrs.RDTSCP = 1;
+	    break;
+
+	default:
+	    PrintError("Unhandled Exit Type (%d)\n", exit_type);
+	    return -1;
+    }
+
+    return 0;
+}
+
+
+static int disable_exit(struct guest_info * core, v3_exit_type_t exit_type) {
+    vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA((vmcb_t *)(core->vmm_data));
+
+    switch (exit_type) {
+
+	case V3_EXIT_RDTSC:
+	    ctrl_area->instrs.RDTSC = 0;
+	    break;
+	case V3_EXIT_RDTSCP:
+	    ctrl_area->svm_instrs.RDTSCP = 0;
+	    break;
+
+	default:
+	    PrintError("Unhandled Exit Type (%d)\n", exit_type);
+	    return -1;
+    }
+
+    return 0;
+
+}
+
+
+int v3_init_vmx_exits(struct v3_vm_info * vm) {
+
+    int ret = 0;
+
+    ret |= v3_register_exit(vm, V3_EXIT_RDTSC, enable_exit, disable_exit);
+    ret |= v3_register_exit(vm, V3_EXIT_RDTSCP, enable_exit, disable_exit);
+    
+    return ret;
+}