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 //#include <palacios/vmm_inspector.h>
22 #include <palacios/vmm.h>
23 #include <palacios/vm_guest.h>
24 #include <palacios/vmm_sprintf.h>
25 #include <palacios/vmm_extensions.h>
27 #include <palacios/vmm_multitree.h>
28 #include <interfaces/inspector.h>
30 // Note that v3_inspect_node_t is actuall a struct v3_mtree
31 // Its set as void for opaque portability
33 struct v3_inspector_state {
34 struct v3_mtree state_tree;
39 static int init_inspector(struct v3_vm_info * vm, v3_cfg_tree_t * cfg, void ** priv_data) {
40 struct v3_inspector_state * state = V3_Malloc(sizeof(struct v3_inspector_state));
41 memset(state, 0, sizeof(struct v3_inspector_state));
43 strncpy(state->state_tree.name, "vm->name", 50);
44 state->state_tree.subtree = 1;
52 static int init_inspector_core(struct guest_info * core, void * priv_data) {
53 struct v3_inspector_state * vm_state = priv_data;
56 snprintf(core_name, 50, "core.%d", core->vcpu_id);
59 struct v3_mtree * core_node = v3_mtree_create_subtree(&(vm_state->state_tree), core_name);
60 v3_inspect_64(core_node, "RIP", (uint64_t *)&(core->rip));
61 v3_inspect_64(core_node, "NUM_EXITS", (uint64_t *)&(core->num_exits));
62 // v3_inspect_buf(core_node, "EXEC_NAME", core->exec_name, sizeof(core->exec_name));
65 struct v3_mtree * gpr_node = v3_mtree_create_subtree(core_node, "GPRS");
66 v3_inspect_64(gpr_node, "RAX", (uint64_t *)&(core->vm_regs.rax));
67 v3_inspect_64(gpr_node, "RBX", (uint64_t *)&(core->vm_regs.rbx));
68 v3_inspect_64(gpr_node, "RCX", (uint64_t *)&(core->vm_regs.rcx));
69 v3_inspect_64(gpr_node, "RDX", (uint64_t *)&(core->vm_regs.rdx));
70 v3_inspect_64(gpr_node, "RSP", (uint64_t *)&(core->vm_regs.rsp));
71 v3_inspect_64(gpr_node, "RBP", (uint64_t *)&(core->vm_regs.rbp));
72 v3_inspect_64(gpr_node, "RSI", (uint64_t *)&(core->vm_regs.rsi));
73 v3_inspect_64(gpr_node, "RDI", (uint64_t *)&(core->vm_regs.rdi));
76 struct v3_mtree * cr_node = v3_mtree_create_subtree(core_node, "CTRL_REGS");
77 v3_inspect_64(cr_node, "CR0", (uint64_t *)&(core->ctrl_regs.cr0));
78 v3_inspect_64(cr_node, "CR2", (uint64_t *)&(core->ctrl_regs.cr2));
79 v3_inspect_64(cr_node, "CR3", (uint64_t *)&(core->ctrl_regs.cr3));
80 v3_inspect_64(cr_node, "CR4", (uint64_t *)&(core->ctrl_regs.cr4));
81 v3_inspect_64(cr_node, "RFLAGS", (uint64_t *)&(core->ctrl_regs.rflags));
82 v3_inspect_64(cr_node, "EFER", (uint64_t *)&(core->ctrl_regs.efer));
85 //struct v3_mtree * seg_node = v3_mtree_create_subtree(core_node, "SEGMENTS");
98 static struct v3_extension_impl inspector_impl = {
100 .init = init_inspector,
102 .core_init = init_inspector_core,
109 register_extension(&inspector_impl);
112 v3_inspect_node_t * v3_inspect_add_subtree(v3_inspect_node_t * root, char * name) {
113 return v3_mtree_create_subtree(root, name);
116 int v3_inspect_8(v3_inspect_node_t * node, char * name, uint8_t * val) {
117 v3_mtree_create_value(node, name, 1, val);
122 int v3_inspect_16(v3_inspect_node_t * node, char * name, uint16_t * val) {
123 v3_mtree_create_value(node, name, 2, val);
128 int v3_inspect_32(v3_inspect_node_t * node, char * name, uint32_t * val) {
129 v3_mtree_create_value(node, name, 4, val);
133 int v3_inspect_64(v3_inspect_node_t * node, char * name, uint64_t * val) {
134 v3_mtree_create_value(node, name, 8, val);
138 int v3_inspect_addr(v3_inspect_node_t * node, char * name, addr_t * val) {
139 v3_mtree_create_value(node, name, sizeof(addr_t), val);
143 int v3_inspect_buf(v3_inspect_node_t * node, char * name,
144 uint8_t * buf, uint64_t size) {
145 v3_mtree_create_value(node, name, size, buf);
152 int v3_find_inspection_value(v3_inspect_node_t * node, char * name,
153 struct v3_inspection_value * value) {
154 struct v3_mtree * mt_node = v3_mtree_find_node(node, name);
160 *value = v3_inspection_value(mt_node);
165 struct v3_inspection_value v3_inspection_value(v3_inspect_node_t * node) {
166 struct v3_mtree * mt_node = node;
167 struct v3_inspection_value value;
169 value.value = mt_node->value;
170 value.size = mt_node->size;
171 value.flags = mt_node->user_flags;
172 value.name = mt_node->name;
179 v3_inspect_node_t * v3_get_inspection_root(struct v3_vm_info * vm) {
180 struct v3_inspector_state * inspector = v3_get_extension_state(vm, inspector_impl.name);
182 if (inspector == NULL) {
186 return &(inspector->state_tree);
189 v3_inspect_node_t * v3_get_inspection_subtree(v3_inspect_node_t * root, char * name) {
190 return v3_mtree_find_subtree(root, name);
194 v3_inspect_node_t * v3_inspection_node_next(v3_inspect_node_t * node) {
195 return v3_mtree_next_node(node);
198 v3_inspect_node_t * v3_inspection_first_child(v3_inspect_node_t * root) {
199 return v3_mtree_first_child(root);