-/*
- * vmx_assist.h: Context definitions for the VMXASSIST world switch.
+/*
+ * 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.
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * 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
*
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * Copyright (c) 2011, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
*
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
*
- * Leendert van Doorn, leendert@watson.ibm.com
- * Copyright (c) 2005, International Business Machines Corporation.
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
*/
#ifndef _VMX_ASSIST_H_
#ifdef __V3VEE__
#include <palacios/vm_guest.h>
+#include <palacios/vmx.h>
-#define VMXASSIST_BASE 0xD0000
-#define VMXASSIST_MAGIC 0x17101966
-struct vmx_assist_header {
- uint64_t rsvd; // 8 bytes of nothing
- uint32_t magic;
- uint32_t new_ctx_gpa;
- uint32_t old_ctx_gpa;
-} __attribute__((packed));
-
-
-union vmcs_arbytes {
- struct arbyte_fields {
- unsigned int seg_type : 4,
- s : 1,
- dpl : 2,
- p : 1,
- reserved0 : 4,
- avl : 1,
- reserved1 : 1,
- default_ops_size: 1,
- g : 1,
- null_bit : 1,
- reserved2 : 15;
- } __attribute__((packed)) fields;
- unsigned int bytes;
-} __attribute__((packed));
-
-struct vmx_assist_segment {
- uint32_t sel;
- uint32_t limit;
- uint32_t base;
- union vmcs_arbytes arbytes;
-} __attribute__((packed));
-
-/*
- * World switch state
- */
-struct vmx_assist_context {
- uint32_t eip; /* execution pointer */
- uint32_t esp; /* stack pointer */
- uint32_t eflags; /* flags register */
- uint32_t cr0;
- uint32_t cr3; /* page table directory */
- uint32_t cr4;
-
- uint32_t idtr_limit; /* idt */
- uint32_t idtr_base;
-
- uint32_t gdtr_limit; /* gdt */
- uint32_t gdtr_base;
-
- struct vmx_assist_segment cs;
- struct vmx_assist_segment ds;
- struct vmx_assist_segment es;
- struct vmx_assist_segment ss;
- struct vmx_assist_segment fs;
- struct vmx_assist_segment gs;
- struct vmx_assist_segment tr;
- struct vmx_assist_segment ldtr;
-
-
- unsigned char rm_irqbase[2];
-} __attribute__((packed));
-
-typedef struct vmx_assist_context vmx_assist_context_t;
int v3_vmxassist_ctx_switch(struct guest_info * info);
-
+int v3_vmxassist_init(struct guest_info * core, struct vmx_data * vmx_state);
#endif
#endif /* _VMX_ASSIST_H_ */
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
