1 |
dpavlin |
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/* |
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* Cisco 7200 (Predator) simulation platform. |
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* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
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* |
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* Hypervisor generic VM routines. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <sys/mman.h> |
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#include <signal.h> |
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#include <fcntl.h> |
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#include <errno.h> |
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#include <assert.h> |
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#include <stdarg.h> |
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#include <sys/ioctl.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <arpa/inet.h> |
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#include <pthread.h> |
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#include "mips64.h" |
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#include "cp0.h" |
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#include "dynamips.h" |
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#include "device.h" |
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#include "dev_c7200.h" |
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#include "dev_vtty.h" |
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#include "utils.h" |
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#include "base64.h" |
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#include "net.h" |
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#include "atm.h" |
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#include "frame_relay.h" |
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#include "crc.h" |
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#include "net_io.h" |
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#include "net_io_bridge.h" |
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#ifdef GEN_ETH |
41 |
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#include "gen_eth.h" |
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#endif |
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#include "registry.h" |
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#include "hypervisor.h" |
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46 |
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/* Set debugging level */ |
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static int cmd_set_debug_level(hypervisor_conn_t *conn,int argc,char *argv[]) |
48 |
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{ |
49 |
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vm_instance_t *vm; |
50 |
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51 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
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return(-1); |
53 |
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54 |
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vm->debug_level = atoi(argv[1]); |
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56 |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"O",argv[0]); |
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return(0); |
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} |
60 |
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61 |
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/* Set IOS image filename */ |
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static int cmd_set_ios(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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vm_instance_t *vm; |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
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return(-1); |
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if (vm_ios_set_image(vm,argv[1]) == -1) { |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to store IOS image name for router '%s'", |
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argv[0]); |
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return(-1); |
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} |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"IOS image set for '%s'",argv[0]); |
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return(0); |
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} |
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/* Set IOS configuration filename to load at startup */ |
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static int cmd_set_config(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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vm_instance_t *vm; |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
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return(-1); |
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if (vm_ios_set_config(vm,argv[1]) == -1) { |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to store IOS config for router '%s'", |
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argv[0]); |
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return(-1); |
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} |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"IOS config file set for '%s'", |
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argv[0]); |
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return(0); |
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} |
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/* Set RAM size */ |
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static int cmd_set_ram(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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vm_instance_t *vm; |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
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return(-1); |
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vm->ram_size = atoi(argv[1]); |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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return(0); |
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} |
118 |
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/* Set NVRAM size */ |
120 |
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static int cmd_set_nvram(hypervisor_conn_t *conn,int argc,char *argv[]) |
121 |
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{ |
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vm_instance_t *vm; |
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124 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
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return(-1); |
126 |
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127 |
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vm->nvram_size = atoi(argv[1]); |
128 |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
131 |
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return(0); |
132 |
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} |
133 |
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134 |
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/* Enable/disable use of a memory-mapped file to simulate RAM */ |
135 |
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static int cmd_set_ram_mmap(hypervisor_conn_t *conn,int argc,char *argv[]) |
136 |
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{ |
137 |
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vm_instance_t *vm; |
138 |
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139 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
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return(-1); |
141 |
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142 |
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vm->ram_mmap = atoi(argv[1]); |
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144 |
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vm_release(vm); |
145 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
146 |
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return(0); |
147 |
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} |
148 |
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149 |
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/* Set the clock divisor */ |
150 |
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static int cmd_set_clock_divisor(hypervisor_conn_t *conn,int argc,char *argv[]) |
151 |
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{ |
152 |
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vm_instance_t *vm; |
153 |
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u_int clock_div; |
154 |
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155 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
156 |
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return(-1); |
157 |
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158 |
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if ((clock_div = atoi(argv[1])) != 0) |
159 |
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vm->clock_divisor = clock_div; |
160 |
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161 |
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vm_release(vm); |
162 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
163 |
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return(0); |
164 |
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} |
165 |
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166 |
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/* Set the idle PC */ |
167 |
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static int cmd_set_idle_pc(hypervisor_conn_t *conn,int argc,char *argv[]) |
168 |
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{ |
169 |
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vm_instance_t *vm; |
170 |
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171 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
172 |
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return(-1); |
173 |
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174 |
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vm->idle_pc = strtoull(argv[1],NULL,0); |
175 |
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176 |
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vm_release(vm); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
178 |
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return(0); |
179 |
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} |
180 |
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181 |
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/* Set the exec area size */ |
182 |
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static int cmd_set_exec_area(hypervisor_conn_t *conn,int argc,char *argv[]) |
183 |
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{ |
184 |
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vm_instance_t *vm; |
185 |
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186 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
187 |
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return(-1); |
188 |
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189 |
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vm->exec_area_size = atoi(argv[1]); |
190 |
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191 |
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vm_release(vm); |
192 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
193 |
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return(0); |
194 |
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} |
195 |
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196 |
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/* Set PCMCIA ATA disk0 size */ |
197 |
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static int cmd_set_disk0(hypervisor_conn_t *conn,int argc,char *argv[]) |
198 |
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{ |
199 |
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vm_instance_t *vm; |
200 |
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201 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
202 |
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return(-1); |
203 |
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204 |
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vm->pcmcia_disk_size[0] = atoi(argv[1]); |
205 |
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vm_release(vm); |
206 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
207 |
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return(0); |
208 |
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} |
209 |
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210 |
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/* Set PCMCIA ATA disk1 size */ |
211 |
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static int cmd_set_disk1(hypervisor_conn_t *conn,int argc,char *argv[]) |
212 |
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{ |
213 |
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vm_instance_t *vm; |
214 |
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215 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
216 |
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return(-1); |
217 |
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218 |
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vm->pcmcia_disk_size[1] = atoi(argv[1]); |
219 |
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vm_release(vm); |
220 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
221 |
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return(0); |
222 |
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} |
223 |
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224 |
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/* Set the config register used at startup */ |
225 |
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static int cmd_set_conf_reg(hypervisor_conn_t *conn,int argc,char *argv[]) |
226 |
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{ |
227 |
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vm_instance_t *vm; |
228 |
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229 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
230 |
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return(-1); |
231 |
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232 |
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vm->conf_reg_setup = strtol(argv[1],NULL,0); |
233 |
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vm_release(vm); |
234 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
235 |
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return(0); |
236 |
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} |
237 |
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238 |
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/* Set TCP port for console */ |
239 |
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static int cmd_set_con_tcp_port(hypervisor_conn_t *conn,int argc,char *argv[]) |
240 |
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{ |
241 |
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vm_instance_t *vm; |
242 |
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243 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
244 |
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return(-1); |
245 |
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246 |
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vm->vtty_con_type = VTTY_TYPE_TCP; |
247 |
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vm->vtty_con_tcp_port = atoi(argv[1]); |
248 |
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249 |
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vm_release(vm); |
250 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
251 |
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return(0); |
252 |
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} |
253 |
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254 |
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/* Set TCP port for AUX port */ |
255 |
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static int cmd_set_aux_tcp_port(hypervisor_conn_t *conn,int argc,char *argv[]) |
256 |
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{ |
257 |
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vm_instance_t *vm; |
258 |
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259 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
260 |
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return(-1); |
261 |
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262 |
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vm->vtty_aux_type = VTTY_TYPE_TCP; |
263 |
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vm->vtty_aux_tcp_port = atoi(argv[1]); |
264 |
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265 |
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vm_release(vm); |
266 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
267 |
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return(0); |
268 |
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} |
269 |
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|
270 |
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/* Read an IOS configuration file from a given router */ |
271 |
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static int cmd_extract_config(hypervisor_conn_t *conn,int argc,char *argv[]) |
272 |
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{ |
273 |
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vm_instance_t *vm; |
274 |
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char *cfg_buffer,*cfg_base64; |
275 |
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ssize_t cfg_len; |
276 |
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277 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
278 |
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return(-1); |
279 |
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|
280 |
|
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if (!vm->nvram_extract_config) |
281 |
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goto err_no_extract_method; |
282 |
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283 |
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/* Extract the IOS configuration */ |
284 |
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if (((cfg_len = vm->nvram_extract_config(vm,&cfg_buffer)) < 0) || |
285 |
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(cfg_buffer == NULL)) |
286 |
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goto err_nvram_extract; |
287 |
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288 |
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/* |
289 |
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* Convert config to base64. base64 is about 1/3 larger than input, |
290 |
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* let's be on the safe side with twice longer. |
291 |
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*/ |
292 |
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if (!(cfg_base64 = malloc(cfg_len * 2))) |
293 |
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goto err_alloc_base64; |
294 |
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295 |
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base64_encode(cfg_base64,cfg_buffer,cfg_len); |
296 |
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297 |
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vm_release(vm); |
298 |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"conf '%s' %s",argv[0],cfg_base64); |
299 |
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300 |
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free(cfg_buffer); |
301 |
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free(cfg_base64); |
302 |
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return(0); |
303 |
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304 |
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err_alloc_base64: |
305 |
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free(cfg_buffer); |
306 |
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err_nvram_extract: |
307 |
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err_no_extract_method: |
308 |
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vm_release(vm); |
309 |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
310 |
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"unable to extract config of VM '%s'",argv[0]); |
311 |
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return(-1); |
312 |
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} |
313 |
|
|
|
314 |
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|
/* Push an IOS configuration file */ |
315 |
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static int cmd_push_config(hypervisor_conn_t *conn,int argc,char *argv[]) |
316 |
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{ |
317 |
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vm_instance_t *vm; |
318 |
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char *cfg_buffer; |
319 |
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ssize_t len; |
320 |
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|
321 |
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if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
322 |
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return(-1); |
323 |
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|
|
324 |
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if (!vm->nvram_push_config) |
325 |
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goto err_no_push_method; |
326 |
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|
327 |
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/* Convert base64 input to standard text */ |
328 |
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if (!(cfg_buffer = malloc(3 * strlen(argv[1])))) |
329 |
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goto err_alloc_base64; |
330 |
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|
|
331 |
|
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if ((len = base64_decode(cfg_buffer,argv[1],0)) < 0) |
332 |
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goto err_decode_base64; |
333 |
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|
|
334 |
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/* Push configuration */ |
335 |
|
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if (vm->nvram_push_config(vm,cfg_buffer,len) < 0) |
336 |
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goto err_nvram_push; |
337 |
|
|
|
338 |
|
|
free(cfg_buffer); |
339 |
|
|
vm_release(vm); |
340 |
|
|
hypervisor_send_reply(conn,HSC_INFO_OK,1, |
341 |
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|
"IOS config file pushed tm VM '%s'", |
342 |
|
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argv[0]); |
343 |
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|
return(0); |
344 |
|
|
|
345 |
|
|
err_nvram_push: |
346 |
|
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err_decode_base64: |
347 |
|
|
free(cfg_buffer); |
348 |
|
|
err_alloc_base64: |
349 |
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|
err_no_push_method: |
350 |
|
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vm_release(vm); |
351 |
|
|
hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
352 |
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"unable to push IOS config for VM '%s'", |
353 |
|
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argv[0]); |
354 |
|
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return(-1); |
355 |
|
|
} |
356 |
|
|
|
357 |
|
|
/* Show info about the specified CPU */ |
358 |
|
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static int cmd_show_cpu_info(hypervisor_conn_t *conn,int argc,char *argv[]) |
359 |
|
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{ |
360 |
|
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vm_instance_t *vm; |
361 |
|
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cpu_mips_t *cpu; |
362 |
|
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|
363 |
|
|
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
364 |
|
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return(-1); |
365 |
|
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|
366 |
|
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cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
367 |
|
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|
368 |
|
|
if (cpu) { |
369 |
|
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mips64_dump_regs(cpu); |
370 |
|
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tlb_dump(cpu); |
371 |
|
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} |
372 |
|
|
|
373 |
|
|
vm_release(vm); |
374 |
|
|
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
375 |
|
|
return(0); |
376 |
|
|
} |
377 |
|
|
|
378 |
|
|
/* Suspend a VM instance */ |
379 |
|
|
static int cmd_suspend(hypervisor_conn_t *conn,int argc,char *argv[]) |
380 |
|
|
{ |
381 |
|
|
vm_instance_t *vm; |
382 |
|
|
|
383 |
|
|
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
384 |
|
|
return(-1); |
385 |
|
|
|
386 |
|
|
vm_suspend(vm); |
387 |
|
|
|
388 |
|
|
vm_release(vm); |
389 |
|
|
hypervisor_send_reply(conn,HSC_INFO_OK,1,"VM '%s' suspended",argv[0]); |
390 |
|
|
return(0); |
391 |
|
|
} |
392 |
|
|
|
393 |
|
|
/* Resume a VM instance */ |
394 |
|
|
static int cmd_resume(hypervisor_conn_t *conn,int argc,char *argv[]) |
395 |
|
|
{ |
396 |
|
|
vm_instance_t *vm; |
397 |
|
|
|
398 |
|
|
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
399 |
|
|
return(-1); |
400 |
|
|
|
401 |
|
|
vm_resume(vm); |
402 |
|
|
|
403 |
|
|
vm_release(vm); |
404 |
|
|
hypervisor_send_reply(conn,HSC_INFO_OK,1,"VM '%s' resumed",argv[0]); |
405 |
|
|
return(0); |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
/* Show info about VM object */ |
409 |
|
|
static void cmd_show_vm_list(registry_entry_t *entry,void *opt,int *err) |
410 |
|
|
{ |
411 |
|
|
hypervisor_conn_t *conn = opt; |
412 |
|
|
vm_instance_t *vm = entry->data; |
413 |
|
|
|
414 |
|
|
hypervisor_send_reply(conn,HSC_INFO_MSG,0,"%s (%s)", |
415 |
|
|
entry->name,vm_get_type(vm)); |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
/* VM List */ |
419 |
|
|
static int cmd_vm_list(hypervisor_conn_t *conn,int argc,char *argv[]) |
420 |
|
|
{ |
421 |
|
|
int err = 0; |
422 |
|
|
registry_foreach_type(OBJ_TYPE_VM,cmd_show_vm_list,conn,&err); |
423 |
|
|
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
424 |
|
|
return(0); |
425 |
|
|
} |
426 |
|
|
|
427 |
|
|
/* VM commands */ |
428 |
|
|
static hypervisor_cmd_t vm_cmd_array[] = { |
429 |
|
|
{ "set_debug_level", 2, 2, cmd_set_debug_level, NULL }, |
430 |
|
|
{ "set_ios", 2, 2, cmd_set_ios, NULL }, |
431 |
|
|
{ "set_config", 2, 2, cmd_set_config, NULL }, |
432 |
|
|
{ "set_ram", 2, 2, cmd_set_ram, NULL }, |
433 |
|
|
{ "set_nvram", 2, 2, cmd_set_nvram, NULL }, |
434 |
|
|
{ "set_ram_mmap", 2, 2, cmd_set_ram_mmap, NULL }, |
435 |
|
|
{ "set_clock_divisor", 2, 2, cmd_set_clock_divisor, NULL }, |
436 |
|
|
{ "set_exec_area", 2, 2, cmd_set_exec_area, NULL }, |
437 |
|
|
{ "set_disk0", 2, 2, cmd_set_disk0, NULL }, |
438 |
|
|
{ "set_disk1", 2, 2, cmd_set_disk1, NULL }, |
439 |
|
|
{ "set_conf_reg", 2, 2, cmd_set_conf_reg, NULL }, |
440 |
|
|
{ "set_idle_pc", 2, 2, cmd_set_idle_pc, NULL }, |
441 |
|
|
{ "set_con_tcp_port", 2, 2, cmd_set_con_tcp_port, NULL }, |
442 |
|
|
{ "set_aux_tcp_port", 2, 2, cmd_set_aux_tcp_port, NULL }, |
443 |
|
|
{ "extract_config", 1, 1, cmd_extract_config, NULL }, |
444 |
|
|
{ "push_config", 2, 2, cmd_push_config, NULL }, |
445 |
|
|
{ "cpu_info", 2, 2, cmd_show_cpu_info, NULL }, |
446 |
|
|
{ "suspend", 1, 1, cmd_suspend, NULL }, |
447 |
|
|
{ "resume", 1, 1, cmd_resume, NULL }, |
448 |
|
|
{ "list", 0, 0, cmd_vm_list, NULL }, |
449 |
|
|
{ NULL, -1, -1, NULL, NULL }, |
450 |
|
|
}; |
451 |
|
|
|
452 |
|
|
/* Hypervisor VM initialization */ |
453 |
|
|
int hypervisor_vm_init(void) |
454 |
|
|
{ |
455 |
|
|
hypervisor_module_t *module; |
456 |
|
|
|
457 |
|
|
module = hypervisor_register_module("vm"); |
458 |
|
|
assert(module != NULL); |
459 |
|
|
|
460 |
|
|
hypervisor_register_cmd_array(module,vm_cmd_array); |
461 |
|
|
return(0); |
462 |
|
|
} |