}
-int v3_init_devices() {
+int V3_init_devices() {
extern struct v3_device_info __start__v3_devices[];
extern struct v3_device_info __stop__v3_devices[];
struct v3_device_info * tmp_dev = __start__v3_devices;
}
-int v3_dev_mgr_deinit(struct v3_vm_info * vm) {
- struct vm_device * dev;
+int v3_free_vm_devices(struct v3_vm_info * vm) {
struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
+ struct vm_device * dev;
struct vm_device * tmp;
list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) {
- v3_detach_device(dev);
+ v3_remove_device(dev);
}
- v3_free_htable(mgr->blk_table, 0, 0);
- v3_free_htable(mgr->net_table, 0, 0);
- v3_free_htable(mgr->char_table, 0, 0);
- v3_free_htable(mgr->cons_table, 0, 0);
+ return 0;
+}
+
+static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr);
+
+int v3_deinit_dev_mgr(struct v3_vm_info * vm) {
+ struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
+
+ // clear frontend lists
+
+ free_frontends(vm, mgr);
+
+
v3_free_htable(mgr->dev_table, 0, 0);
}
-void v3_free_device(struct vm_device * dev) {
- V3_Free(dev);
-}
-
struct vm_device * v3_find_dev(struct v3_vm_info * vm, const char * dev_name) {
-int v3_detach_device(struct vm_device * dev) {
+int v3_remove_device(struct vm_device * dev) {
struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
+ struct dev_io_hook * io_hook = NULL;
+ struct dev_io_hook * tmp;
+
+ list_for_each_entry_safe(io_hook, tmp, &(dev->io_hooks), node) {
+ v3_unhook_io_port(dev->vm, io_hook->port);
+ list_del(&(io_hook->node));
+ V3_Free(io_hook);
+ }
if (dev->ops->free) {
- dev->ops->free(dev);
+ dev->ops->free(dev->private_data);
} else {
PrintError("Error: %s free() not implemented\n", dev->name);
}
dev->vm = NULL;
- v3_free_device(dev);
+ V3_Free(dev);
return -1;
}
-struct vm_device * v3_allocate_device(char * name,
- struct v3_device_ops * ops,
- void * private_data) {
+struct vm_device * v3_add_device(struct v3_vm_info * vm,
+ char * name,
+ struct v3_device_ops * ops,
+ void * private_data) {
+ struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
struct vm_device * dev = NULL;
- dev = (struct vm_device*)V3_Malloc(sizeof(struct vm_device));
+ dev = (struct vm_device *)V3_Malloc(sizeof(struct vm_device));
+
+ if (dev == NULL) {
+ return NULL;
+ }
INIT_LIST_HEAD(&(dev->io_hooks));
dev->ops = ops;
dev->private_data = private_data;
- dev->vm = NULL;
-
- return dev;
-}
-
-
-int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev ) {
- struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
-
dev->vm = vm;
list_add(&(dev->dev_link), &(mgr->dev_list));
mgr->num_devs++;
-
v3_htable_insert(mgr->dev_table, (addr_t)(dev->name), (addr_t)dev);
- return 0;
+ return dev;
}
-
void v3_print_dev_mgr(struct v3_vm_info * vm) {
struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
struct vm_device * dev;
return 0;
}
+
+
+static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr) {
+ struct char_frontend * chr = NULL;
+ struct char_frontend * tmp_chr = NULL;
+ struct cons_frontend * cons = NULL;
+ struct cons_frontend * tmp_cons = NULL;
+ struct net_frontend * net = NULL;
+ struct net_frontend * tmp_net = NULL;
+ struct blk_frontend * blk = NULL;
+ struct blk_frontend * tmp_blk = NULL;
+
+
+
+ list_for_each_entry_safe(chr, tmp_chr, &(mgr->char_list), char_node) {
+ list_del(&(chr->char_node));
+ V3_Free(chr);
+ }
+
+ list_for_each_entry_safe(cons, tmp_cons, &(mgr->cons_list), cons_node) {
+ list_del(&(cons->cons_node));
+ V3_Free(cons);
+ }
+
+ list_for_each_entry_safe(net, tmp_net, &(mgr->net_list), net_node) {
+ list_del(&(net->net_node));
+ V3_Free(net);
+ }
+
+ list_for_each_entry_safe(blk, tmp_blk, &(mgr->blk_list), blk_node) {
+ list_del(&(blk->blk_node));
+ V3_Free(blk);
+ }
+
+ v3_free_htable(mgr->blk_table, 0, 0);
+ v3_free_htable(mgr->net_table, 0, 0);
+ v3_free_htable(mgr->char_table, 0, 0);
+ v3_free_htable(mgr->cons_table, 0, 0);
+
+
+ return 0;
+}