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dpavlin |
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/* |
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* Cisco 7200 (Predator) simulation platform. |
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* Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr) |
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* |
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* Virtual machine abstraction. |
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* |
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* TODO: IRQ Routing. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <sys/types.h> |
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#include <assert.h> |
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#include "registry.h" |
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#include "device.h" |
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#include "pci_dev.h" |
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#include "pci_io.h" |
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#include "vm.h" |
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#include "dev_vtty.h" |
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#include ARCH_INC_FILE |
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#define DEBUG_VM 1 |
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/* Type of VM file naming (0=use VM name, 1=use instance ID) */ |
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int vm_file_naming_type = 0; |
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/* Initialize a VM object */ |
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void vm_object_init(vm_obj_t *obj) |
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{ |
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memset(obj,0,sizeof(*obj)); |
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} |
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/* Add a VM object to an instance */ |
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void vm_object_add(vm_instance_t *vm,vm_obj_t *obj) |
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{ |
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obj->next = vm->vm_object_list; |
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obj->pprev = &vm->vm_object_list; |
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if (vm->vm_object_list) |
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vm->vm_object_list->pprev = &obj->next; |
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vm->vm_object_list = obj; |
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} |
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/* Remove a VM object from an instance */ |
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void vm_object_remove(vm_instance_t *vm,vm_obj_t *obj) |
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{ |
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if (obj->next) |
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obj->next->pprev = obj->pprev; |
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*(obj->pprev) = obj->next; |
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} |
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/* Find an object given its name */ |
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vm_obj_t *vm_object_find(vm_instance_t *vm,char *name) |
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{ |
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vm_obj_t *obj; |
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for(obj=vm->vm_object_list;obj;obj=obj->next) |
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if (!strcmp(obj->name,name)) |
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return obj; |
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return NULL; |
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} |
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/* Check that a mandatory object is present */ |
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int vm_object_check(vm_instance_t *vm,char *name) |
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{ |
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return(vm_object_find(vm,name) ? 0 : -1); |
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} |
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/* Shut down all objects of an instance */ |
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void vm_object_free_list(vm_instance_t *vm) |
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{ |
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vm_obj_t *obj,*next; |
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for(obj=vm->vm_object_list;obj;obj=next) { |
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next = obj->next; |
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if (obj->shutdown != NULL) { |
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#if DEBUG_VM |
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vm_log(vm,"VM_OBJECT","Shutdown of object \"%s\"\n",obj->name); |
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#endif |
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obj->shutdown(vm,obj->data); |
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} |
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} |
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vm->vm_object_list = NULL; |
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} |
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/* Dump the object list of an instance */ |
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void vm_object_dump(vm_instance_t *vm) |
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{ |
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vm_obj_t *obj; |
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printf("VM \"%s\" (%u) object list:\n",vm->name,vm->instance_id); |
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for(obj=vm->vm_object_list;obj;obj=obj->next) { |
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printf(" - %-15s [data=%p]\n",obj->name,obj->data); |
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} |
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printf("\n"); |
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} |
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/* Get VM type */ |
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char *vm_get_type(vm_instance_t *vm) |
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{ |
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char *machine; |
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switch(vm->type) { |
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case VM_TYPE_C3600: |
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machine = "c3600"; |
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break; |
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case VM_TYPE_C7200: |
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machine = "c7200"; |
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break; |
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default: |
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machine = "unknown"; |
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break; |
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} |
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return machine; |
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} |
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/* Get platform type */ |
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char *vm_get_platform_type(vm_instance_t *vm) |
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{ |
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char *machine; |
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switch(vm->type) { |
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case VM_TYPE_C3600: |
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machine = "C3600"; |
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break; |
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case VM_TYPE_C7200: |
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machine = "C7200"; |
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break; |
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default: |
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machine = "VM"; |
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break; |
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} |
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return machine; |
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} |
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/* Generate a filename for use by the instance */ |
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char *vm_build_filename(vm_instance_t *vm,char *name) |
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{ |
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char *filename,*machine; |
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machine = vm_get_type(vm); |
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switch(vm_file_naming_type) { |
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case 1: |
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filename = dyn_sprintf("%s_i%u_%s",machine,vm->instance_id,name); |
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break; |
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case 0: |
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default: |
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filename = dyn_sprintf("%s_%s_%s",machine,vm->name,name); |
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break; |
164 |
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} |
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assert(filename != NULL); |
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return filename; |
168 |
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} |
169 |
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170 |
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/* Erase lock file */ |
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void vm_release_lock(vm_instance_t *vm,int erase) |
172 |
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{ |
173 |
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if (vm->lock_fd != NULL) { |
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fclose(vm->lock_fd); |
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vm->lock_fd = NULL; |
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} |
177 |
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178 |
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if (vm->lock_file != NULL) { |
179 |
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if (erase) |
180 |
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unlink(vm->lock_file); |
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free(vm->lock_file); |
182 |
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vm->lock_file = NULL; |
183 |
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} |
184 |
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} |
185 |
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186 |
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/* Check that an instance lock file doesn't already exist */ |
187 |
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int vm_get_lock(vm_instance_t *vm) |
188 |
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{ |
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char pid_str[32]; |
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struct flock lock; |
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vm->lock_file = vm_build_filename(vm,"lock"); |
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if (!(vm->lock_fd = fopen(vm->lock_file,"w"))) { |
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fprintf(stderr,"Unable to create lock file \"%s\".\n",vm->lock_file); |
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return(-1); |
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} |
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memset(&lock,0,sizeof(lock)); |
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lock.l_type = F_WRLCK; |
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lock.l_whence = SEEK_SET; |
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lock.l_start = 0; |
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lock.l_len = 0; |
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if (fcntl(fileno(vm->lock_fd),F_SETLK,&lock) == -1) { |
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if (fcntl(fileno(vm->lock_fd),F_GETLK,&lock) == 0) { |
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snprintf(pid_str,sizeof(pid_str),"%ld",(long)lock.l_pid); |
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} else { |
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strcpy(pid_str,"unknown"); |
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} |
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fprintf(stderr, |
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"\nAn emulator instance (PID %s) is already running with " |
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"identifier %u.\n" |
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"If this is not the case, please erase file \"%s\".\n\n", |
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pid_str,vm->instance_id,vm->lock_file); |
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vm_release_lock(vm,FALSE); |
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return(-1); |
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} |
220 |
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/* write the emulator PID */ |
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fprintf(vm->lock_fd,"%ld\n",(u_long)getpid()); |
223 |
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return(0); |
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} |
225 |
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/* Log a message */ |
227 |
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void vm_flog(vm_instance_t *vm,char *module,char *format,va_list ap) |
228 |
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{ |
229 |
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if (vm->log_fd) |
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m_flog(vm->log_fd,module,format,ap); |
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} |
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233 |
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/* Log a message */ |
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void vm_log(vm_instance_t *vm,char *module,char *format,...) |
235 |
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{ |
236 |
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va_list ap; |
237 |
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238 |
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va_start(ap,format); |
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vm_flog(vm,module,format,ap); |
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va_end(ap); |
241 |
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} |
242 |
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243 |
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/* Close the log file */ |
244 |
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int vm_close_log(vm_instance_t *vm) |
245 |
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{ |
246 |
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if (vm->log_fd) |
247 |
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fclose(vm->log_fd); |
248 |
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249 |
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free(vm->log_file); |
250 |
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251 |
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vm->log_file = NULL; |
252 |
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vm->log_fd = NULL; |
253 |
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return(0); |
254 |
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} |
255 |
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256 |
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/* Create the log file */ |
257 |
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int vm_create_log(vm_instance_t *vm) |
258 |
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{ |
259 |
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vm_close_log(vm); |
260 |
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261 |
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if (!(vm->log_file = vm_build_filename(vm,"log.txt"))) |
262 |
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return(-1); |
263 |
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264 |
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if (!(vm->log_fd = fopen(vm->log_file,"w"))) { |
265 |
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fprintf(stderr,"VM %s: unable to create log file '%s'\n", |
266 |
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vm->name,vm->log_file); |
267 |
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free(vm->log_file); |
268 |
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vm->log_file = NULL; |
269 |
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return(-1); |
270 |
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} |
271 |
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272 |
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return(0); |
273 |
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} |
274 |
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275 |
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/* Error message */ |
276 |
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void vm_error(vm_instance_t *vm,char *format,...) |
277 |
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{ |
278 |
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char buffer[2048]; |
279 |
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va_list ap; |
280 |
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281 |
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va_start(ap,format); |
282 |
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vsnprintf(buffer,sizeof(buffer),format,ap); |
283 |
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va_end(ap); |
284 |
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285 |
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fprintf(stderr,"%s '%s': %s",vm_get_platform_type(vm),vm->name,buffer); |
286 |
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} |
287 |
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288 |
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/* Create a new VM instance */ |
289 |
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vm_instance_t *vm_create(char *name,int instance_id,int machine_type) |
290 |
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{ |
291 |
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vm_instance_t *vm; |
292 |
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293 |
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if (!(vm = malloc(sizeof(*vm)))) { |
294 |
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fprintf(stderr,"VM %s: unable to create new instance!\n",name); |
295 |
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return NULL; |
296 |
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} |
297 |
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298 |
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memset(vm,0,sizeof(*vm)); |
299 |
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vm->instance_id = instance_id; |
300 |
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vm->type = machine_type; |
301 |
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vm->status = VM_STATUS_HALTED; |
302 |
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vm->jit_use = JIT_SUPPORT; |
303 |
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vm->vtty_con_type = VTTY_TYPE_TERM; |
304 |
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vm->vtty_aux_type = VTTY_TYPE_NONE; |
305 |
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vm->timer_irq_check_itv = VM_TIMER_IRQ_CHECK_ITV; |
306 |
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307 |
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if (!(vm->name = strdup(name))) { |
308 |
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fprintf(stderr,"VM %s: unable to store instance name!\n",name); |
309 |
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goto err_name; |
310 |
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} |
311 |
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312 |
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/* create lock file */ |
313 |
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if (vm_get_lock(vm) == -1) |
314 |
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goto err_lock; |
315 |
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316 |
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/* create log file */ |
317 |
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if (vm_create_log(vm) == -1) |
318 |
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goto err_log; |
319 |
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320 |
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if (registry_add(vm->name,OBJ_TYPE_VM,vm) == -1) { |
321 |
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fprintf(stderr,"VM: Unable to store instance '%s' in registry!\n", |
322 |
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vm->name); |
323 |
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goto err_reg_add; |
324 |
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} |
325 |
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326 |
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return vm; |
327 |
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328 |
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err_reg_add: |
329 |
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vm_close_log(vm); |
330 |
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err_log: |
331 |
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free(vm->lock_file); |
332 |
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err_lock: |
333 |
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free(vm->name); |
334 |
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err_name: |
335 |
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free(vm); |
336 |
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return NULL; |
337 |
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} |
338 |
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339 |
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/* |
340 |
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* Shutdown hardware resources used by a VM. |
341 |
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* The CPU must have been stopped. |
342 |
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*/ |
343 |
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int vm_hardware_shutdown(vm_instance_t *vm) |
344 |
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{ |
345 |
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int i; |
346 |
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|
347 |
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if ((vm->status == VM_STATUS_HALTED) || !vm->cpu_group) { |
348 |
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vm_log(vm,"VM","trying to shutdown an inactive VM.\n"); |
349 |
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return(-1); |
350 |
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} |
351 |
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352 |
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vm_log(vm,"VM","shutdown procedure engaged.\n"); |
353 |
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354 |
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/* Mark the VM as halted */ |
355 |
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vm->status = VM_STATUS_HALTED; |
356 |
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357 |
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/* Disable NVRAM operations */ |
358 |
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vm->nvram_extract_config = NULL; |
359 |
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vm->nvram_push_config = NULL; |
360 |
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361 |
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/* Free the object list */ |
362 |
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vm_object_free_list(vm); |
363 |
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364 |
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/* Free resources used by PCI busses */ |
365 |
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vm_log(vm,"VM","removing PCI busses.\n"); |
366 |
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pci_io_data_remove(vm,vm->pci_io_space); |
367 |
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pci_bus_remove(vm->pci_bus[0]); |
368 |
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pci_bus_remove(vm->pci_bus[1]); |
369 |
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vm->pci_bus[0] = vm->pci_bus[1] = NULL; |
370 |
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|
371 |
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/* Free the PCI bus pool */ |
372 |
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for(i=0;i<VM_PCI_POOL_SIZE;i++) { |
373 |
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if (vm->pci_bus_pool[i] != NULL) { |
374 |
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pci_bus_remove(vm->pci_bus_pool[i]); |
375 |
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vm->pci_bus_pool[i] = NULL; |
376 |
|
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} |
377 |
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} |
378 |
|
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|
379 |
|
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/* Delete the VTTY for Console and AUX ports */ |
380 |
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vm_log(vm,"VM","deleting VTTY.\n"); |
381 |
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vm_delete_vtty(vm); |
382 |
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|
383 |
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/* Delete system CPU group */ |
384 |
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vm_log(vm,"VM","deleting system CPUs.\n"); |
385 |
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cpu_group_delete(vm->cpu_group); |
386 |
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vm->cpu_group = NULL; |
387 |
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vm->boot_cpu = NULL; |
388 |
|
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|
389 |
|
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vm_log(vm,"VM","shutdown procedure completed.\n"); |
390 |
|
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return(0); |
391 |
|
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} |
392 |
|
|
|
393 |
|
|
/* Free resources used by a VM */ |
394 |
|
|
void vm_free(vm_instance_t *vm) |
395 |
|
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{ |
396 |
|
|
if (vm != NULL) { |
397 |
|
|
/* Free hardware resources */ |
398 |
|
|
vm_hardware_shutdown(vm); |
399 |
|
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|
400 |
|
|
/* Close log file */ |
401 |
|
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vm_close_log(vm); |
402 |
|
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|
403 |
|
|
/* Remove the lock file */ |
404 |
|
|
vm_release_lock(vm,TRUE); |
405 |
|
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|
406 |
|
|
/* Free various elements */ |
407 |
|
|
free(vm->sym_filename); |
408 |
|
|
free(vm->ios_image); |
409 |
|
|
free(vm->ios_config); |
410 |
|
|
free(vm->rom_filename); |
411 |
|
|
free(vm->name); |
412 |
|
|
free(vm); |
413 |
|
|
} |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
/* Get an instance given a name */ |
417 |
|
|
vm_instance_t *vm_acquire(char *name) |
418 |
|
|
{ |
419 |
|
|
return(registry_find(name,OBJ_TYPE_VM)); |
420 |
|
|
} |
421 |
|
|
|
422 |
|
|
/* Release a VM (decrement reference count) */ |
423 |
|
|
int vm_release(vm_instance_t *vm) |
424 |
|
|
{ |
425 |
|
|
return(registry_unref(vm->name,OBJ_TYPE_VM)); |
426 |
|
|
} |
427 |
|
|
|
428 |
|
|
/* Initialize VTTY */ |
429 |
|
|
int vm_init_vtty(vm_instance_t *vm) |
430 |
|
|
{ |
431 |
|
|
/* Create Console and AUX ports */ |
432 |
|
|
vm->vtty_con = vtty_create(vm,"Console port", |
433 |
|
|
vm->vtty_con_type,vm->vtty_con_tcp_port, |
434 |
|
|
&vm->vtty_con_serial_option); |
435 |
|
|
|
436 |
|
|
vm->vtty_aux = vtty_create(vm,"AUX port", |
437 |
|
|
vm->vtty_aux_type,vm->vtty_aux_tcp_port, |
438 |
|
|
&vm->vtty_aux_serial_option); |
439 |
|
|
return(0); |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
/* Delete VTTY */ |
443 |
|
|
void vm_delete_vtty(vm_instance_t *vm) |
444 |
|
|
{ |
445 |
|
|
vtty_delete(vm->vtty_con); |
446 |
|
|
vtty_delete(vm->vtty_aux); |
447 |
|
|
vm->vtty_con = vm->vtty_aux = NULL; |
448 |
|
|
} |
449 |
|
|
|
450 |
|
|
/* Bind a device to a virtual machine */ |
451 |
|
|
int vm_bind_device(vm_instance_t *vm,struct vdevice *dev) |
452 |
|
|
{ |
453 |
|
|
struct vdevice **cur; |
454 |
|
|
u_int i; |
455 |
|
|
|
456 |
|
|
/* |
457 |
|
|
* Add this device to the device array. The index in the device array |
458 |
|
|
* is used by the MTS subsystem. |
459 |
|
|
*/ |
460 |
|
|
for(i=0;i<MIPS64_DEVICE_MAX;i++) |
461 |
|
|
if (!vm->dev_array[i]) |
462 |
|
|
break; |
463 |
|
|
|
464 |
|
|
if (i == MIPS64_DEVICE_MAX) { |
465 |
|
|
fprintf(stderr,"VM%u: vm_bind_device: device table full.\n", |
466 |
|
|
vm->instance_id); |
467 |
|
|
return(-1); |
468 |
|
|
} |
469 |
|
|
|
470 |
|
|
vm->dev_array[i] = dev; |
471 |
|
|
dev->id = i; |
472 |
|
|
|
473 |
|
|
/* |
474 |
|
|
* Add it to the linked-list (devices are ordered by physical addresses). |
475 |
|
|
*/ |
476 |
|
|
for(cur=&vm->dev_list;*cur;cur=&(*cur)->next) |
477 |
|
|
if ((*cur)->phys_addr > dev->phys_addr) |
478 |
|
|
break; |
479 |
|
|
|
480 |
|
|
dev->next = *cur; |
481 |
|
|
if (*cur) (*cur)->pprev = &dev->next; |
482 |
|
|
dev->pprev = cur; |
483 |
|
|
*cur = dev; |
484 |
|
|
return(0); |
485 |
|
|
} |
486 |
|
|
|
487 |
|
|
/* Unbind a device from a virtual machine */ |
488 |
|
|
int vm_unbind_device(vm_instance_t *vm,struct vdevice *dev) |
489 |
|
|
{ |
490 |
|
|
u_int i; |
491 |
|
|
|
492 |
|
|
if (!dev->pprev) |
493 |
|
|
return(-1); |
494 |
|
|
|
495 |
|
|
/* Remove the device from the linked list */ |
496 |
|
|
if (dev->next) |
497 |
|
|
dev->next->pprev = dev->pprev; |
498 |
|
|
|
499 |
|
|
*(dev->pprev) = dev->next; |
500 |
|
|
|
501 |
|
|
/* Remove the device from the device array */ |
502 |
|
|
for(i=0;i<MIPS64_DEVICE_MAX;i++) |
503 |
|
|
if (vm->dev_array[i] == dev) { |
504 |
|
|
vm->dev_array[i] = NULL; |
505 |
|
|
break; |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
/* Clear device list info */ |
509 |
|
|
dev->next = NULL; |
510 |
|
|
dev->pprev = NULL; |
511 |
|
|
return(0); |
512 |
|
|
} |
513 |
|
|
|
514 |
|
|
/* Map a device at the specified physical address */ |
515 |
|
|
int vm_map_device(vm_instance_t *vm,struct vdevice *dev,m_uint64_t base_addr) |
516 |
|
|
{ |
517 |
|
|
#if 0 |
518 |
|
|
/* Suspend VM activity */ |
519 |
|
|
vm_suspend(vm); |
520 |
|
|
|
521 |
|
|
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
522 |
|
|
fprintf(stderr,"VM%u: unable to sync with system CPUs.\n", |
523 |
|
|
vm->instance_id); |
524 |
|
|
return(-1); |
525 |
|
|
} |
526 |
|
|
#endif |
527 |
|
|
|
528 |
|
|
/* Unbind the device if it was already active */ |
529 |
|
|
vm_unbind_device(vm,dev); |
530 |
|
|
|
531 |
|
|
/* Map the device at the new base address and rebuild MTS */ |
532 |
|
|
dev->phys_addr = base_addr; |
533 |
|
|
vm_bind_device(vm,dev); |
534 |
|
|
cpu_group_rebuild_mts(vm->cpu_group); |
535 |
|
|
|
536 |
|
|
#if 0 |
537 |
|
|
vm_resume(vm); |
538 |
|
|
#endif |
539 |
|
|
return(0); |
540 |
|
|
} |
541 |
|
|
|
542 |
|
|
/* Set an IRQ for a VM */ |
543 |
|
|
void vm_set_irq(vm_instance_t *vm,u_int irq) |
544 |
|
|
{ |
545 |
|
|
if (vm->boot_cpu->irq_disable) { |
546 |
|
|
vm->boot_cpu->irq_pending = 0; |
547 |
|
|
return; |
548 |
|
|
} |
549 |
|
|
|
550 |
|
|
/* TODO: IRQ routing */ |
551 |
|
|
mips64_set_irq(vm->boot_cpu,irq); |
552 |
|
|
|
553 |
|
|
if (vm->boot_cpu->irq_idle_preempt[irq]) |
554 |
|
|
mips64_idle_break_wait(vm->boot_cpu); |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
/* Clear an IRQ for a VM */ |
558 |
|
|
void vm_clear_irq(vm_instance_t *vm,u_int irq) |
559 |
|
|
{ |
560 |
|
|
/* TODO: IRQ routing */ |
561 |
|
|
mips64_clear_irq(vm->boot_cpu,irq); |
562 |
|
|
} |
563 |
|
|
|
564 |
|
|
/* Suspend a VM instance */ |
565 |
|
|
int vm_suspend(vm_instance_t *vm) |
566 |
|
|
{ |
567 |
|
|
if (vm->status == VM_STATUS_RUNNING) { |
568 |
|
|
cpu_group_save_state(vm->cpu_group); |
569 |
|
|
cpu_group_set_state(vm->cpu_group,MIPS_CPU_SUSPENDED); |
570 |
|
|
vm->status = VM_STATUS_SUSPENDED; |
571 |
|
|
} |
572 |
|
|
return(0); |
573 |
|
|
} |
574 |
|
|
|
575 |
|
|
/* Resume a VM instance */ |
576 |
|
|
int vm_resume(vm_instance_t *vm) |
577 |
|
|
{ |
578 |
|
|
if (vm->status == VM_STATUS_SUSPENDED) { |
579 |
|
|
cpu_group_restore_state(vm->cpu_group); |
580 |
|
|
vm->status = VM_STATUS_RUNNING; |
581 |
|
|
} |
582 |
|
|
return(0); |
583 |
|
|
} |
584 |
|
|
|
585 |
|
|
/* Stop an instance */ |
586 |
|
|
int vm_stop(vm_instance_t *vm) |
587 |
|
|
{ |
588 |
|
|
cpu_group_stop_all_cpu(vm->cpu_group); |
589 |
|
|
vm->status = VM_STATUS_SHUTDOWN; |
590 |
|
|
return(0); |
591 |
|
|
} |
592 |
|
|
|
593 |
|
|
/* Monitor an instance periodically */ |
594 |
|
|
void vm_monitor(vm_instance_t *vm) |
595 |
|
|
{ |
596 |
|
|
while(vm->status != VM_STATUS_SHUTDOWN) |
597 |
|
|
usleep(200000); |
598 |
|
|
} |
599 |
|
|
|
600 |
|
|
/* Save the Cisco IOS configuration from NVRAM */ |
601 |
|
|
int vm_ios_save_config(vm_instance_t *vm) |
602 |
|
|
{ |
603 |
|
|
char *output; |
604 |
|
|
int res; |
605 |
|
|
|
606 |
|
|
if (!(output = vm_build_filename(vm,"ios_cfg.txt"))) |
607 |
|
|
return(-1); |
608 |
|
|
|
609 |
|
|
res = vm_nvram_extract_config(vm,output); |
610 |
|
|
free(output); |
611 |
|
|
return(res); |
612 |
|
|
} |
613 |
|
|
|
614 |
|
|
/* Set Cisco IOS image to use */ |
615 |
|
|
int vm_ios_set_image(vm_instance_t *vm,char *ios_image) |
616 |
|
|
{ |
617 |
|
|
char *str; |
618 |
|
|
|
619 |
|
|
if (!(str = strdup(ios_image))) |
620 |
|
|
return(-1); |
621 |
|
|
|
622 |
|
|
if (vm->ios_image != NULL) { |
623 |
|
|
free(vm->ios_image); |
624 |
|
|
vm->ios_image = NULL; |
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
vm->ios_image = str; |
628 |
|
|
return(0); |
629 |
|
|
} |
630 |
|
|
|
631 |
|
|
/* Unset a Cisco IOS configuration file */ |
632 |
|
|
void vm_ios_unset_config(vm_instance_t *vm) |
633 |
|
|
{ |
634 |
|
|
if (vm->ios_config != NULL) { |
635 |
|
|
free(vm->ios_config); |
636 |
|
|
vm->ios_config = NULL; |
637 |
|
|
} |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
/* Set Cisco IOS configuration file to use */ |
641 |
|
|
int vm_ios_set_config(vm_instance_t *vm,char *ios_config) |
642 |
|
|
{ |
643 |
|
|
char *str; |
644 |
|
|
|
645 |
|
|
if (!(str = strdup(ios_config))) |
646 |
|
|
return(-1); |
647 |
|
|
|
648 |
|
|
vm_ios_unset_config(vm); |
649 |
|
|
vm->ios_config = str; |
650 |
|
|
return(0); |
651 |
|
|
} |
652 |
|
|
|
653 |
|
|
/* Extract IOS configuration from NVRAM and write it to a file */ |
654 |
|
|
int vm_nvram_extract_config(vm_instance_t *vm,char *filename) |
655 |
|
|
{ |
656 |
|
|
char *cfg_buffer; |
657 |
|
|
ssize_t cfg_len; |
658 |
|
|
FILE *fd; |
659 |
|
|
|
660 |
|
|
if (!vm->nvram_extract_config) |
661 |
|
|
return(-1); |
662 |
|
|
|
663 |
|
|
/* Extract the IOS configuration */ |
664 |
|
|
if (((cfg_len = vm->nvram_extract_config(vm,&cfg_buffer)) < 0) || |
665 |
|
|
(cfg_buffer == NULL)) |
666 |
|
|
return(-1); |
667 |
|
|
|
668 |
|
|
/* Write configuration to the specified filename */ |
669 |
|
|
if (!(fd = fopen(filename,"w"))) { |
670 |
|
|
vm_error(vm,"unable to create file '%s'\n",filename); |
671 |
|
|
free(cfg_buffer); |
672 |
|
|
return(-1); |
673 |
|
|
} |
674 |
|
|
|
675 |
|
|
fwrite(cfg_buffer,cfg_len,1,fd); |
676 |
|
|
|
677 |
|
|
fclose(fd); |
678 |
|
|
free(cfg_buffer); |
679 |
|
|
return(0); |
680 |
|
|
} |
681 |
|
|
|
682 |
|
|
/* Read an IOS configuraton from a file and push it to NVRAM */ |
683 |
|
|
int vm_nvram_push_config(vm_instance_t *vm,char *filename) |
684 |
|
|
{ |
685 |
|
|
char *cfg_buffer; |
686 |
|
|
ssize_t len; |
687 |
|
|
int res; |
688 |
|
|
|
689 |
|
|
if (!vm->nvram_push_config) |
690 |
|
|
return(-1); |
691 |
|
|
|
692 |
|
|
/* Read configuration */ |
693 |
|
|
if (((len = m_read_file(filename,&cfg_buffer)) <= 0) || !cfg_buffer) |
694 |
|
|
return(-1); |
695 |
|
|
|
696 |
|
|
/* Push it! */ |
697 |
|
|
res = vm->nvram_push_config(vm,cfg_buffer,len); |
698 |
|
|
free(cfg_buffer); |
699 |
|
|
return(res); |
700 |
|
|
} |
701 |
|
|
|
702 |
|
|
/* Save general VM configuration into the specified file */ |
703 |
|
|
void vm_save_config(vm_instance_t *vm,FILE *fd) |
704 |
|
|
{ |
705 |
|
|
if (vm->ios_image) |
706 |
|
|
fprintf(fd,"vm set_ios %s %s\n",vm->name,vm->ios_image); |
707 |
|
|
|
708 |
|
|
fprintf(fd,"vm set_ram %s %u\n",vm->name,vm->ram_size); |
709 |
|
|
fprintf(fd,"vm set_nvram %s %u\n",vm->name,vm->nvram_size); |
710 |
|
|
fprintf(fd,"vm set_ram_mmap %s %u\n",vm->name,vm->ram_mmap); |
711 |
|
|
fprintf(fd,"vm set_clock_divisor %s %u\n",vm->name,vm->clock_divisor); |
712 |
|
|
fprintf(fd,"vm set_conf_reg %s 0x%4.4x\n",vm->name,vm->conf_reg_setup); |
713 |
|
|
|
714 |
|
|
if (vm->vtty_con_type == VTTY_TYPE_TCP) |
715 |
|
|
fprintf(fd,"vm set_con_tcp_port %s %d\n",vm->name,vm->vtty_con_tcp_port); |
716 |
|
|
|
717 |
|
|
if (vm->vtty_aux_type == VTTY_TYPE_TCP) |
718 |
|
|
fprintf(fd,"vm set_aux_tcp_port %s %d\n",vm->name,vm->vtty_aux_tcp_port); |
719 |
|
|
} |