2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
21 #ifndef __VMM_SYM_IFACE_H__
22 #define __VMM_SYM_IFACE_H__
29 struct v3_sym_global_page {
33 uint32_t feature_flags;
35 uint_t pci_map_valid : 1;
36 } __attribute__((packed));
37 } __attribute__((packed));
39 uint8_t pci_pt_map[(4 * 256) / 8]; // we're hardcoding this: (4 busses, 256 max devs)
41 } __attribute__((packed));
43 struct v3_sym_local_page {
49 uint32_t sym_call_active : 1;
50 uint32_t sym_call_enabled : 1;
51 } __attribute__((packed));
52 } __attribute__((packed));
56 #include <palacios/vm_guest.h>
59 struct v3_sym_cpu_context {
60 struct v3_gprs vm_regs;
70 struct v3_symcall_state {
72 uint_t sym_call_active : 1;
73 uint_t sym_call_returned : 1;
74 uint_t sym_call_error : 1;
75 } __attribute__((packed));
77 struct v3_sym_cpu_context old_ctx;
81 uint64_t sym_call_rip;
83 uint64_t sym_call_rsp;
88 struct v3_sym_global_state {
89 struct v3_sym_global_page * sym_page;
91 addr_t global_page_pa;
92 uint64_t global_guest_pa;
94 int active; // activated when symbiotic page MSR is written
98 struct v3_sym_local_state {
99 struct v3_sym_local_page * local_page;
101 addr_t local_page_pa;
102 uint64_t local_guest_pa;
104 struct v3_symcall_state symcall_state;
106 int active; // activated when symbiotic page MSR is written
113 int v3_init_sym_iface(struct v3_vm_info * vm);
116 typedef uint64_t sym_arg_t;
118 #define v3_sym_call0(info, call_num) \
119 v3_sym_call(info, call_num, 0, 0, 0, 0, 0)
120 #define v3_sym_call1(info, call_num, arg1) \
121 v3_sym_call(info, call_num, arg1, 0, 0, 0, 0)
122 #define v3_sym_call2(info, call_num, arg1, arg2) \
123 v3_sym_call(info, call_num, arg1, arg2, 0, 0, 0)
124 #define v3_sym_call3(info, call_num, arg1, arg2, arg3) \
125 v3_sym_call(info, call_num, arg1, arg2, arg3, 0, 0)
126 #define v3_sym_call4(info, call_num, arg1, arg2, arg3, arg4) \
127 v3_sym_call(info, call_num, arg1, arg2, arg3, arg4, 0)
128 #define v3_sym_call5(info, call_num, arg1, arg2, arg3, arg4, arg5) \
129 v3_sym_call(info, call_num, arg1, arg2, arg3, arg4, arg5)
134 int v3_sym_map_pci_passthrough(struct v3_vm_info * vm, uint_t bus, uint_t dev, uint_t fn);
135 int v3_sym_unmap_pci_passthrough(struct v3_vm_info * vm, uint_t bus, uint_t dev, uint_t fn);
138 /* Symcall numbers */
139 #define SYMCALL_TEST 1
140 #define SYMCALL_MEM_LOOKUP 10
143 int v3_sym_call(struct guest_info * info,
144 uint64_t call_num, sym_arg_t * arg0,
145 sym_arg_t * arg1, sym_arg_t * arg2,
146 sym_arg_t * arg3, sym_arg_t * arg4);