palacios/src/palacios/vmm_inspector.c

   1 /*
   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.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  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.
  13  *
  14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20
  21 #include <palacios/vmm_inspector.h>
  22 #include <palacios/vmm.h>
  23 #include <palacios/vm_guest.h>
  24 #include <palacios/vmm_sprintf.h>
  25
  26 // Note that v3_inspect_node_t is actuall a struct v3_mtree
  27 // Its set as void for opaque portability
  28
  29
  30 int v3_init_inspector(struct v3_vm_info * vm) {
  31     struct v3_inspector_state * state = (struct v3_inspector_state *)&(vm->inspector);
  32
  33     memset(state, 0, sizeof(struct v3_inspector_state));
  34
  35     strncpy(state->state_tree.name, "vm->name", 50);
  36     state->state_tree.subtree = 1;
  37
  38     return 0;
  39 }
  40
  41
  42 int  v3_init_inspector_core(struct guest_info * core) {
  43     struct v3_inspector_state * vm_state = &(core->vm_info->inspector);
  44     char core_name[50];
  45
  46     snprintf(core_name, 50, "core.%d", core->cpu_id);
  47
  48     {
  49         struct v3_mtree * core_node = v3_mtree_create_subtree(&(vm_state->state_tree), core_name);
  50         v3_inspect_64(core_node, "RIP", (uint64_t *)&(core->rip));
  51         v3_inspect_64(core_node, "NUM_EXITS", (uint64_t *)&(core->num_exits));
  52         //      v3_inspect_buf(core_node, "EXEC_NAME", core->exec_name, sizeof(core->exec_name));
  53
  54
  55         struct v3_mtree * gpr_node = v3_mtree_create_subtree(core_node, "GPRS");
  56         v3_inspect_64(gpr_node, "RAX", (uint64_t *)&(core->vm_regs.rax));
  57         v3_inspect_64(gpr_node, "RBX", (uint64_t *)&(core->vm_regs.rbx));
  58         v3_inspect_64(gpr_node, "RCX", (uint64_t *)&(core->vm_regs.rcx));
  59         v3_inspect_64(gpr_node, "RDX", (uint64_t *)&(core->vm_regs.rdx));
  60         v3_inspect_64(gpr_node, "RSP", (uint64_t *)&(core->vm_regs.rsp));
  61         v3_inspect_64(gpr_node, "RBP", (uint64_t *)&(core->vm_regs.rbp));
  62         v3_inspect_64(gpr_node, "RSI", (uint64_t *)&(core->vm_regs.rsi));
  63         v3_inspect_64(gpr_node, "RDI", (uint64_t *)&(core->vm_regs.rdi));
  64
  65
  66         struct v3_mtree * cr_node = v3_mtree_create_subtree(core_node, "CTRL_REGS");
  67         v3_inspect_64(cr_node, "CR0", (uint64_t *)&(core->ctrl_regs.cr0));
  68         v3_inspect_64(cr_node, "CR2", (uint64_t *)&(core->ctrl_regs.cr2));
  69         v3_inspect_64(cr_node, "CR3", (uint64_t *)&(core->ctrl_regs.cr3));
  70         v3_inspect_64(cr_node, "CR4", (uint64_t *)&(core->ctrl_regs.cr4));
  71         v3_inspect_64(cr_node, "RFLAGS", (uint64_t *)&(core->ctrl_regs.rflags));
  72         v3_inspect_64(cr_node, "EFER", (uint64_t *)&(core->ctrl_regs.efer));
  73
  74
  75         //      struct v3_mtree * seg_node = v3_mtree_create_subtree(core_node, "SEGMENTS");
  76
  77
  78
  79     }
  80
  81     return 0;
  82 }
  83
  84
  85 v3_inspect_node_t * v3_inspect_add_subtree(v3_inspect_node_t * root, char * name) {
  86     return v3_mtree_create_subtree(root, name);
  87 }
  88
  89 int v3_inspect_8(v3_inspect_node_t * node, char * name, uint8_t * val) {
  90     v3_mtree_create_value(node, name, 1, val);
  91     return 0;
  92 }
  93
  94
  95 int v3_inspect_16(v3_inspect_node_t * node, char * name, uint16_t * val) {
  96     v3_mtree_create_value(node, name, 2, val);
  97
  98     return 0;
  99 }
 100
 101 int v3_inspect_32(v3_inspect_node_t * node, char * name, uint32_t * val) {
 102     v3_mtree_create_value(node, name, 4, val);
 103     return 0;
 104 }
 105
 106 int v3_inspect_64(v3_inspect_node_t * node, char * name, uint64_t * val) {
 107     v3_mtree_create_value(node, name, 8, val);
 108     return 0;
 109 }
 110
 111 int v3_inspect_addr(v3_inspect_node_t * node, char * name, addr_t * val) {
 112     v3_mtree_create_value(node, name, sizeof(addr_t), val);
 113     return 0;
 114 }
 115
 116 int v3_inspect_buf(v3_inspect_node_t * node, char * name,
 117                    uint8_t * buf, uint64_t size) {
 118     v3_mtree_create_value(node, name, size, buf);
 119
 120     return 0;
 121 }
 122
 123
 124
 125
 126
 127 int v3_find_inspection_value(v3_inspect_node_t * node, char * name,
 128                            struct v3_inspection_value * value) {
 129     struct v3_mtree * mt_node = v3_mtree_find_node(node, name);
 130
 131     if (!mt_node) {
 132         return -1;
 133     }
 134
 135     *value = v3_inspection_value(mt_node);
 136
 137     return 0;
 138 }
 139
 140 struct v3_inspection_value v3_inspection_value(v3_inspect_node_t * node) {
 141     struct v3_mtree * mt_node = node;
 142     struct v3_inspection_value value;
 143
 144     value.value = mt_node->value;
 145     value.size = mt_node->size;
 146     value.flags = mt_node->user_flags;
 147     value.name = mt_node->name;
 148
 149     return value;
 150 }
 151
 152
 153
 154 v3_inspect_node_t * v3_get_inspection_root(struct v3_vm_info * vm) {
 155     return &(vm->inspector.state_tree);
 156 }
 157
 158 v3_inspect_node_t * v3_get_inspection_subtree(v3_inspect_node_t * root, char * name) {
 159     return v3_mtree_find_subtree(root, name);
 160 }
 161
 162
 163 v3_inspect_node_t * v3_inspection_node_next(v3_inspect_node_t * node) {
 164     return v3_mtree_next_node(node);
 165 }
 166
 167 v3_inspect_node_t * v3_inspection_first_child(v3_inspect_node_t * root) {
 168     return v3_mtree_first_child(root);
 169 }